Search Results — 2000 specimen records retrieved (1368 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77939  Abies amabilis Gilbert J. Muth 1969-8-5 1274 Siskiyou Ridge above Deep Lake 2194 Comment
  HSC4974  Abies amabilis J. O. Sawyer 1968-7-2 383 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC31506  Abies concolor Steve Selva, Roger Jensen 1974-8-16 17 Siskiyou Above Sugar Lake trail Comment
  UC336751  Abies concolor unknown 1891-11-12 Siskiyou Sissons Comment
  RSA572074  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  UC1199014  Acer glabrum Joseph P. Tracy 1935-8-1 14403 Siskiyou on ridge between Salmon and New Rivers (Rock Lake, at extreme head of West Fork of Knownothing Creek); Rock Lake, extreme head West Fork Knownothing Creek 1889 Comment
  UC452616  Acer glabrum var. glabrum Annie M. Alexander and Louise Kellogg 1911-6-23 178 Siskiyou Jackson Lake 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
  CAS-BOT-BC332786  Acer macrophyllum Alice Eastwood 1923-5-29 12000 Siskiyou Cantara Comment
  CAS-BOT-BC18871  Achillea millefolium J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3758 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC28857  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  HSC160  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Big Flat, near public campground 1524 Comment
  UCD77247  Achillea millefolium Robert E. Preston 2001-6-23 1618 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  RSA50158  Achillea millefolium E. K. Balls 1949-7-9 s.n. Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  HSC36728  Achlys triphylla Brent Whiteley 1975-6-28 83 Siskiyou 915 Comment
  JEPS82714  Achlys triphylla subsp. triphylla Wayne Roderick 1973-7-10 Siskiyou Doe Flat 1143 Comment
  UCD50622  Achnatherum lemmonii Robert E. Preston 2002-6-20 1829 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  CAS-BOT-BC210751  Achnatherum nelsonii Roxana S. Ferris; Laura Lorraine 1948-6-12 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  SEINET7593402 Image available Achnatherum nevadense E. B. Copeland 1903-1 3896 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC210871  Achnatherum occidentale subsp. californicum W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  CHSC71337  Achnatherum thurberianum Vernon H. Oswald; Lowell Ahart 1998-6-11 9192 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UCD103815  Acmispon americanus var. americanus A. A. Heller 1919-6-25 13288 Siskiyou Compton's prairie, north base of Mt. Eddy. 1158 Comment
  UCD33540  Acmispon nevadensis var. nevadensis Beecher Crampton 1969-6-19 8475 Siskiyou Siskiyou County, 2 miles south of Weed, Interstate Highway 5. 1310 Comment
  JEPS74533  Aconitum columbianum W. J. Ferlatte 1966-8-3 291 Siskiyou Trinity Alps, Josephine Lake basin 1676 Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  UC1483534  Aconitum columbianum John Palmer 1980-8-12 699 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC1333335  Aconitum columbianum Dorothy Parker 1949-8-3 355 Siskiyou around edges Paradise Lake; Siskiyou Mts., Salmon Mt., Paradise Lake 1981 Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC412908  Aconogonon davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  SEINET4175530  Aconogonon phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Shackleford Creek Comment
  HSC147  Adenocaulon bicolor William J. Ferlatte 1966-8-3 264 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  JEPS74502  Adenocaulon bicolor W. J. Ferlatte 1966-8-18 405 Siskiyou 3 mi s, in wooded area Big Flat; Trinity Alps 1584 Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  CAS-BOT-BC68952  Adiantum aleuticum Louis C. Wheeler 1934-7-30 75484 Siskiyou Red Mt. Creek 1524 Comment
  CDA36296  Aegilops cylindrica Ed Finley? 1986-1 Siskiyou Montague, north of Shasta, off Hwy 89. 0 Comment
  CAS-BOT-BC540710  Agastache urticifolia Dana York 2012-7-22 3145 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 440 m ESE of Red Butte, springs around Bee Camp 1740 Comment
  CAS-BOT-BC29458  Ageratina occidentalis Gilbert J. Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UCSB7930  Ageratina occidentalis Hardham, Clare 1965-8-20 Siskiyou Near the Cudahy Lakes; on the Granite Trail; Marble Mountains 1524 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  HSC2258  Agoseris glauca var. glauca Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills; elev. 5000 ft 1524 Comment
  CHSC98747  Agoseris glauca var. monticola L. P. Janeway; B. Castro 2007-7-29 9139 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  HSC2260  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  HSC73343  Agoseris grandiflora Gail Newton 1980-6-20 459 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC22771  Agoseris heterophylla Elmer I. Applegate 1936-5-19 10322 Siskiyou Lava Beds National Monument, between Indian Wells and Three Sisters. Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  UC163893  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  CDA9942  Agoseris heterophylla F. D. Horn 1979-4-29 Siskiyou Horn Ranch, Etna. 0 Comment
  UC53885  Agoseris heterophylla var. heterophylla H. M. Hall and E. B. Babcock 1903-6-1 4036 Siskiyou near Dunsmuir; Sierra Nevada Mountains 609 Comment
  RSA142619  Agoseris monticola Philip A. Munz 1960-8-22 24185 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  CAS-BOT-BC110737  Agropyron Melissa A. Berry 1957-7-2 s.n. Siskiyou Scott Valley. 822 Comment
  CAS-BOT-BC126988  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  UCD37085  Agrostis exarata Beecher Crampton 1956-8-21 3828 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  SEINET7593586 Image available Agrostis exarata F. W. Oettinger 1969-1 1499 Siskiyou north side of Horse's Hole meadows, Horse Range Lake, Salmon Mountains 1859 Comment
  CAS-BOT-BC139570  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  CAS-BOT-BC139574  Agrostis gigantea Wm. Bridge Cooke 1938-9-17 11693 Siskiyou Mount Shasta. Horse Camp. 2438 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  RSA239094  Agrostis humilis Frederick W. Oettinger 1969-9-4 1656 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS84089  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6387 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  CAS-BOT-BC138931  Agrostis pallens Louis C. Wheeler 1934-8-14 3144 Siskiyou Siskiyou Mountains. East end White Mountain. 1767 Comment
  RSA239062  Agrostis pallens Frederick W. Oettinger 1968-9-3 681 Siskiyou West of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA239089  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1230 Siskiyou South of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1265350  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou lower meadow at margin of meadow woods Salmon Mountains, Marble Mountain Wilderness Area, Horse Ran 1767 Comment
  UC815156  Agrostis scabra J. R. Swallen 1941-7-25 16114 Siskiyou MacBride Springs area Mt. Shasta 1524 Comment
  UC1025009  Agrostis thurberiana Leo Whitney 1935-7-15 3480 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UC1265423  Agrostis thurberiana Frederick W. Oettinger 1969-9-4 1645 Siskiyou Tobacco Lake meadows, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC138481  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  UC1037382  Alisma plantago-aquatica Douglas Barbe 1955-7-5 108 Siskiyou e limit Greenview (on road to Fort Jones, s side of road); Klamath Mountains, Greenview 883 Comment
  CAS-BOT-BC459429  Allium acuminatum Lillian Mott 1976-7-4 20 LM76 Siskiyou Cook and Green Pass Road north of Seiad Valley at waterfall 1463 Comment
  CAS-BOT-BC459432  Allium acuminatum Alice Eastwood; John Thomas Howell 1934-4-20 1784 Siskiyou 4 miles N of Weed Comment
  SEINET8112105  Allium amplectens G. D. Butler 1910-5-17 1358 Siskiyou Yreka. Comment
  UC1299635  Allium bolanderi Freed W. Hoffman 1950-7-11 3240 Siskiyou 16.1 mi n point where Cedar Camp Road leaves the Klamath Highway (between Orleans and Weitchpec) Comment
  HSC74439  Allium bolanderi var. bolanderi M. A. Baker 1980-6-20 2199 Siskiyou Near Bald Mtn. 1036 Comment
  UC1045265  Allium campanulatum W. Bridge Cooke 1940-7-5 15245 Siskiyou along the road below Wagon Camp; Mount Shasta Comment
  UC609359  Allium campanulatum Eleanor Burks Hart 1938-8-20 940 Siskiyou below Red Cap (upper end of Big Meadow); Big Meadow 2225 Comment
  CAS-BOT-BC469240  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11716 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East fork of Scott River Comment
  HSC69111  Allium validum Maralyn A. Renner 1980-8-6 2304 Siskiyou Cracker Meadow 1555 Comment
  JEPS61509  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake; Shackleford Creek 1371 Comment
  UC454416  Allium validum I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork 1371 Comment
  HSC60887  Allium validum Al Hobart Siskiyou Black Butte Comment
  HSC72612  Allotropa virgata Gail Newton 1980-6-20 543 Siskiyou Near Bald Mtn. 1326 Comment
  RSA607569  Allotropa virgata Barbara M. Leitner 1996-7-18 96 -001 Siskiyou Medicine Lake Highlands and Adjacent Modoc Plateau. Comment
  JEPS24791  Alnus incana subsp. tenuifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6800 Siskiyou Castle Lake; shore, headwaters of Sacramento River 1661 Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  SFV847  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  CAS-BOT-BC169386  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Damp meadow, Marble Valley, by waterfall. Marble Mts. 1828 Comment
  HSC4969  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 234 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA211261  Alnus viridis subsp. sinuata W. J. Ferlatte 1966-7-7 192 Siskiyou A flora of the Trinity Alps of northern California ; Caribou Basin. 1982 Comment
  CAS-BOT-BC138101  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Klamath Forest. Cottonwood Creek. 838 Comment
  JEPS52986  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek Comment
  CAS-BOT-BC18593  Alyssum alyssoides Dorothy Parker 1948-6-12 s.n. Siskiyou Parker Ranch, Plowman's Valley. Comment
  HSC65142  Amaranthus powellii J. P. Smith, Steve Selva 1970-7-17 4434 Siskiyou Parking lot behind ice machine in Ft. Jones. Comment
  CDA25706  Amelanchier alnifolia var. semiintegrifolia F. D. Horn 1977-5-25 Siskiyou South of Weed. 0 Comment
  HSC4954  Amelanchier pallida J. O. Sawyer 1968-9-28 735 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC4962  Amelanchier pallida J. O. Sawyer 1968-6-25 313 Siskiyou Along Horse Range Creek 1829 Comment
  POM148465  Amelanchier pallida J. B. Feudge 1927-7-22 1686 Siskiyou Mt. Shasta City 1098 Comment
  RSA237653  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA48584  Amelanchier pallida Philip A. Munz 1949-5-18 13308 Siskiyou 14 miles SW of Gazelle on Callahan road. 1463 Comment
  CAS-BOT-BC136920  Amelanchier utahensis Doris K. Kildale 1928-8-18 6439 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  SBBG16035  Amelanchier utahensis D. Myrick 1961-6-20 279 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  SEINET10898751  Amelanchier utahensis Katherine L. Morris 1973-5-25 Morris 268 Siskiyou 20.7 miles e of mccloud on hwy 89 in an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  CHSC91230  Amphiscirpus nevadensis Lowell Ahart; John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC45206  Anaphalis margaritacea Carl B. Wolf 1927-8-27 1148 Siskiyou On the Klamath River 10 mi above the Salmon River Comment
  OBI55448  Anaphalis margaritacea David J. Keil 1992-7-20 23506 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  RSA501140  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  RSA696901  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  JEPS60503  Anemone deltoidea W. L. Jepson 1937-7-30 18568 Siskiyou Poker Flat Siskiyou Mtns (headwaters Indian Creek) 1584 Comment
  UCD13256  Anemone deltoidea K. F. Mawdsley 1996-7-9 9 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  CAS-BOT-BC94417  Anemone deltoidea R. C. Wenk 2005-7-15 233 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, next to a creek 1828 Comment
  CAS-BOT-BC94472  Anemone drummondii R. C. Wenk 2005-7-19 337 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy Comment
  POM365634  Anemone drummondii M. B. Dunkle 1945-1 9358 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC4928  Anemone lyallii J. O. Sawyer 1968-7-2 361 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC4933  Anemone lyallii J. O. Sawyer 1968-6-18 204 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  CAS-BOT-BC391970  Anemone occidentalis Harley P. Chandler 1901-6-1 1637 Siskiyou North Coast Ranges. Near Marble Mountain 2133 Comment
  HSC724  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  CAS-BOT-BC391974  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  HSC22428  Anemone occidentalis J. O. Sawyer 1969-7-2 1024 Siskiyou Crest W of Upper Albert Lake 2256 Comment
  RSA142621  Anemone occidentalis P. A. Munz 1960-8-22 24184 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UCSB11466  Anemone occidentalis Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Soloman Mt. Summit 1981 Comment
  JEPS109874  Anemone oregana var. oregana Dean W. Taylor 2005-7-12 19385 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16 1697 Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  HSC34298  Angelica tomentosa J. P. Smith, J. O. Sawyer 1973-8-14 7292 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA261569  Angelica tomentosa var. tomentosa J. M. Tucker, L. Mann 1963-7-4 3697 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  JEPS33940  Antennaria argentea W. L. Jepson 1902-7-21 2086 Siskiyou near Cecilville Comment
  UC54134  Antennaria dimorpha H. M. Hall and E. B. Babcock 1903-6-16 4101 Siskiyou Little Shasta Valley Sierra Nevada Mountains, Mount Shasta 853 Comment
  CHSC69065  Antennaria geyeri Vernon H. Oswald; Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31, ca. 4800 ft. 1463 Comment
  JEPS13171  Antennaria geyeri W. L. Jepson 1940-7-1 20085 Siskiyou 6 mi e Fowler's Camp; McCloud River 975 Comment
  UC579119  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  HSC64918  Antennaria media D. L. Goforth 1979-7-19 263 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, Upper Lake area. 2134 Comment
  UC1409468  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou nnw of, vicinity of English Peak Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  JEPS74526  Antennaria rosea W. J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  SJSU6486  Antennaria rosea R. W. Trivelpiece 1972-6-9 100 Siskiyou c. 4 mi E of Grass Lake, west-central Siskiyou County 1524 Comment
  RSA238707  Antennaria rosea Frederick W. Oettinger, J. Morrison 1967-8-17 277 Siskiyou Common on Shasta Ridge, approx. 0.1 mi. SSW of Diamond Lake; e-facing slope amid granite boulders near woods edge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  RSA416680  Antennaria rosea M. B. Dunkle 1945-08 9295 Siskiyou Klamath National Forest Marble Mts. Comment
  SEINET10474093  Antennaria rosea Mary Susan Taylor 1980-7-8 Taylor 3098 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
  HSC21990  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-9 1252 Siskiyou W facing slope above Bingham Lake 2317 Comment
  CAS-BOT-BC84769  Antennaria umbrinella Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Around the Water Supply Spring and below Horse Camp 2468 Comment
  JEPS83446  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 410 Siskiyou 8.1 mi nw jct of Indian Creek Road and Hwy 96 in Happy Camp (Happy Camp vicinity, junction of Indian Creek Road and Mt. Baldy Lookout Road, n side of ICR e of jct and se roadbank at jct); Happy Camp Quad. (15', 1956) 463 Comment
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Apr 24 2015
  CHSC66536  Apocynum androsaemifolium Vernon H. Oswald 1996-7-12 7997 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  HSC58843  Apocynum androsaemifolium Marvin Butler 1971-7-27 201 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  SBBG5685  Apocynum androsaemifolium H. and M. Dearing 1938-6-27 2181 Siskiyou 1 mi W of McCloud Comment
  SJSU6268  Apocynum androsaemifolium R. W. Trivelpiece 1971-8-18 71 Siskiyou c. 3.5 mi N of Cecilville on S Fork Salmon River, Salmon River Mts 1249 Comment
  UC163992  Apocynum androsaemifolium Geo. D. Butler 1908-8-9 77 Siskiyou near Cold Spring (Woolly Creek) Comment
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May 9 2012
  UC922449  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1949-7-25 5871 Siskiyou s. of Paradise Lake; Marble Mt. 1920 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  RSA68918  Apocynum androsaemifolium subsp. pumilum A. E. Culbertson 1943-8-1 40 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC395146  Aquilegia formosa Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC397950  Aquilegia formosa W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of My Eddy Comment
  HSC69025  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-28 2192 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA0126147  Arabis divaricarpa Frederick W. Oettinger 1968-9-10 814 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  POM94755  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1505 Siskiyou Shackleford Creek Comment
  RSA0129676  Arabis lemmonii var. lemmonii P. H. Raven 1956-9-4 10411 Siskiyou S side of Mt. Eddy 2652 Comment
  RSA237291  Arabis lyallii Frederick W. Oettinger 1968-8-4 390 -a Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  UC1181804  Arabis modesta Dorothy Parker 1950-4-7 386 Siskiyou near Walker (bluffs above Klamath River); Siskiyou Mountains 533 Comment
  HSC90567  Arabis puberula Jennifer Whipple 1976-6-12 980 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  POM95492  Arabis sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  HSC46181  Arabis subpinnatifida Jennifer Whipple 1977-4-30 1881 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC238  Arabis suffrutescens William J. Ferlatte 1967-7-6 609 Siskiyou Dorleska summit. 2134 Comment
  CAS-BOT-BC171026  Aralia californica Ira L. Wiggins 1955-7-22 13455 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville. 1066 Comment
  UC1190174  Aralia californica Ira L. Wiggins 1955-7-22 13455 Siskiyou S. Fork Salmon R. 9.5 mi. above Cecilville; S. Fork Salmon R. Comment
  POM268120  Arceuthobium abietinum Marion Ownbey, Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Mountain. Comment
  RSA238708  Arceuthobium abietinum Frederick W. Oettinger 1968-9-5 712 Siskiyou At 'Base Camp' Meadow at mid-trail between Diamond and Hancock Lakes. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 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
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  CAS-BOT-BC39981  Arctostaphylos nevadensis Steve Abbors 1980-7-23 s.n. Siskiyou Everitt Memorial Highway, ascending Mt. Shasta. 2286 Comment
  CAS-BOT-BC45442  Arctostaphylos nevadensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. A dammed lake. 1828 Comment
  HSC92274  Arctostaphylos nevadensis Jennifer Whipple 1976-6-11 968 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  UC1409401  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou 0.1 mi s Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Shasta R 2072 Comment
  UC61678  Arctostaphylos nevadensis Geo. B. Grant Sept 1902 5128 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UCD59181  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-9 104 Siskiyou Along trail between Cook and Green Pass and Lily Pad Lake. 1676 Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  UCD52861  Arctostaphylos nevadensis subsp. knightii Roger Raiche; Kurt Zadnik 1982-7-6 20558 Siskiyou Deadwood Lookout northwest of Yreka. 1676 Comment
  CAS-BOT-BC46453  Arctostaphylos patula C. Hart Merriam 1919-10-18 s.n. Siskiyou Baird Fish Hatchery, McCloud River. Comment
  CAS-BOT-BC46510  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11825 Siskiyou 1 mi. below summit of Gazelle Mt. grade (w. side), Gazelle-Callahan Rd. 1219 Comment
  HSC30332  Arctostaphylos patula Dale R. Gradek 1974-5-27 88 Siskiyou 4 mi. SW of Chandler Glade on FS Rd. 47N03 1524 Comment
  HSC65285  Arctostaphylos patula Rich White 1978-7-6 255 Siskiyou Pond above Elk Hole 1524 Comment
  POM367393  Arctostaphylos patula L. C. Wheeler 1934-6-25 2781 Siskiyou West Fork Cottonwood Creek. Siskiyou Mts. 1280 Comment
  POM77330  Arctostaphylos patula Geo D. Butler 1909-3-28 586 Siskiyou Hills near Yreka. Comment
  UC21886  Arctostaphylos patula Thos. Howell April, 1892 1448 Siskiyou near R.R. (top of mts.); Siskiyou Mts. Comment
  HSC6087  Arctostaphylos viscida G. L. Clifton, Griswold 1979-6-27 6087 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  UC1608344  Arenaria congesta J. Kierstead 1990-7-15 90 -98 Siskiyou 6 mi w Town of Mt. Shasta; Shasta-Trinity National Forests,Mt. Shasta Ranger Dist., Mor 1584 Comment
  RSA423693  Arenaria congesta M. B. Dunkle 1945-7-22 9238 Siskiyou Marble Mts., Klamath National Forest. Comment
  UCD37073  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, 0.5 mile south Dunsmuir, along U.S. Highway 99. 701 Comment
  UC609313  Arnica Eleanor Burks Hart 1938-8-21 917 Siskiyou Upper Wright Lake 2225 Comment
  SEINET3078307  Arnica Eleanor Burks Hart 1938-8-21 917 Siskiyou Upper Wright Lake. 2230 Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC82247  Arnica chamissonis Calvin McMillan; Malcom A. Nobs 1949-6-17 797 Siskiyou Grass Lake, Highway 97 Comment
  UC1408757  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou high above, open rocky slope, (on route to Charmaine Lake) English Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1920 Comment
  UC34177  Arnica cordifolia Harley P. Chandler 1901-6-1 1615 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  RSA105404  Arnica cordifolia G. D. Barbe 1955-7-4 092 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  CAS-BOT-BC295874  Arnica dealbata J. O. Sawyer; R. J. Cole 1980-7-21 3823 Siskiyou .2 miles east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  CAS-BOT-BC82556  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 1005 Comment
  CAS-BOT-BC82559  Arnica discoidea J. H. Thomas 1954-5-13 4145 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1127 Comment
  HSC46237  Arnica discoidea Jennifer Whipple 1976-7-13 1459 Siskiyou Mt. Eddy 2256 Comment
  CAS-BOT-BC82666  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC82669  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 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
  POM30782  Arnica mollis var. scaberrima Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek. 1220 Comment
  UC1190275  Arnica nevadensis Ira L. Wiggins 1955-7-27 13562 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC75810  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou Medicine Lake Comment
  RSA238816  Arnica parryi subsp. sonnei Frederick W. Oettinger 1969-7-28 1087 Siskiyou NE above Toms Upper Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCR70774  Artemisia arbuscula L. C. Wheeler 1934-8-26 03226 Siskiyou Siskiyou Mtns, Trapper Creek, Siskiyou Mountains. 1982 Comment
  HSC34311  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1973-8-14 7324 Siskiyou West of Cliff Lake 2012 Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  UC637064  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  HSC28655  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou Marble Mtn. Wilderness Area, 100 yds. downstream from Tom Taylor Cabin spring 2012 Comment
  CAS-BOT-BC400706  Asarum hartwegii Elmer I. Applegate 1895-5-29 649 Siskiyou Sacramento Canyon below Sisson Comment
  JEPS49837  Asclepias cordifolia Geo. D. Butler 1908-8-1 79 Siskiyou Forest House road Comment
  UC585171  Asclepias cordifolia E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1919 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  JEPS49846  Asclepias cordifolia Geo. D. Butler 1901-5-31 763 Siskiyou Humbug Comment
  POM76104  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou Near Yreka. Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  POM23468  Aspidotis densa E. B. Copeland 1903-8-18 3815 Siskiyou Mount Eddy 1677 Comment
  RSA792295  Aspidotis densa Rebecca Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93/Cecilville Road to Hidden Lake. 1890 Comment
  SEINET3868734  Aspidotis densa M. L. Conrad, Morris; Kenney 1973-6-3 7016 Siskiyou Matthew's Creek Campground on south fork of Salmon River.; 0 549 Comment
  POM211816  Aster eatonii L. C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River 518 Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  RSA417705  Aster occidentalis L. C. Wheeler 1934-8-14 3130 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC178816  Astragalus californicus Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman's Valley, east fork of Scott River Drainage 1203 Comment
  CDA26647  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  RSA111033  Astragalus curvicarpus R. C. Barneby 1954-5-18 11504 Siskiyou 2.5 miles N of Gazelle. Alt. 2750 feet. Comment
  RSA0002917  Astragalus hendersonii Geo D. Butler 1909-5-8 706 Siskiyou Klamath Rim. Comment
  UC144159  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  UC195172  Astragalus lentiginosus var. lentiginosus Annie M. Alexander and Louise Kellogg 1911-6-4 105 Siskiyou Mayten Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  POM204046  Astragalus obscurus Alice Eastwood, John T. Howell 1934-4-20 1786 Siskiyou 4 miles N of Weed. Comment
  UC160959  Astragalus purshii var. lectulus Harley P. Chandler June, 1901 1679 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
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Oct 30 2007
  RSA110924  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  RSA293199  Astragalus purshii var. tinctus J. P. Smith 1973-5-5 6530 Siskiyou Scott Bar along the Scott River. Comment
  UC164060  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug HIlls Comment
  CAS-BOT-BC199147  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  JEPS82266  Astragalus whitneyi var. siskiyouensis Roger Raiche 1983-8-13 30596 Siskiyou summit area of Mt. Eddy 2743 Comment
  SEINET10484146  Astragalus whitneyi var. siskiyouensis Mary Susan Taylor 1980-7-8 Taylor 3091 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  HSC2393  Asyneuma prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  POM120355  Athyrium americanum Geo D. Butler 1910-7-10 1738 Siskiyou Upper Carufehell Lake. 1677 Comment
  HSC23664  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along C.C.C. rd. near Horse Range Cr. 1280 Comment
  CDA24674  Athysanus pusillus G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-29 2605 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC17617  Athysanus pusillus Alice Eastwood 1920-5-18 11820 Siskiyou Shasta Springs. Comment
  UC164030  Atriplex rosea Geo. D. Butler 1909-9-20 1066 Siskiyou damp fields near Yreka; damp fields near Yreka Comment
  UC1191301  Atriplex triangularis Verne Grant and Irving Schneider 1947-8-25 8287 Siskiyou w side Tule Lake; w side Tule Lake Comment
  CDA23342  Atriplex triangularis R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  JEPS90599  Atriplex truncata Dean W. Taylor 1987-8-9 9294 Siskiyou along Hwy 161 (Oregon border) 8.3 mi w from Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  UCD56306  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3395 Siskiyou 7 miles N of Weed. Comment
  CAS-BOT-BC106539  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  CAS-BOT-BC100051  Balsamorhiza hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  UC165277  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou Yreka Comment
  UC673213  Balsamorhiza lanata Lincoln Constance and Reed C. Rollins 1942-5-14 2919 Siskiyou 1 mi east of Yreka; Klamath-Siskiyou Region 762 Comment
  POM350742  Balsamorhiza lanata Christopher Davidson 1975-6-5 2656 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC44960  Barbarea orthoceras J. O. Sawyer 1978-6-16 3223 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  CDA3611  Barbarea vulgaris C. S. Giebner 1964-5-11 Siskiyou O. K. Kendall property, Yreka. 0 Comment
  RSA603839  Beckmannia syzigachne L. C. Wheeler 1935-6-27 3621 Siskiyou Greenview, Scott Valley 884 Comment
  HSC22117  Berberis aquifolium var. dictyota J. O. Sawyer 1969-8-17 2018 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC75717  Berberis nervosa J. H. Thomas 1954-5-13 4133 Siskiyou Salmon Mountains. Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC75722  Berberis nervosa Alice Eastwood 1921-7-26 10862 Siskiyou Soda Creek. Comment
  CAS-BOT-BC75997  Berberis pumila Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat. Comment
  CAS-BOT-BC76006  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC76009  Berberis pumila Doris K. Kildale 1929-7-20 8610 Siskiyou Elk Lick, South Fork of Inidan Creek. 1524 Comment
  UCR64607  Betula occidentalis L. C. Wheeler 1934-6-27 02808 Siskiyou Siskiyou Mtns., Cottonwood Creek 976 Comment
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Feb 12 2013
  UCR30556  Bidens frondosa John C. Roos 1948-9-1 3942 Siskiyou Marsham Stream at Yreka Comment
  CAS-BOT-BC127903  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC127931  Blepharipappus scaber Alice Eastwood; John Thomas Howell 1934-4-20 1788 Siskiyou 4 miles n. of Weed Comment
  UC1278816  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains Siskiyou Mountains, Cottonwood Creek 914 Comment
  UC166215  Blepharipappus scaber Geo. D. Butler 1909-4-28 590 Siskiyou Cherry Creek Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  CAS-BOT-BC13813  Boechera howellii John Thomas Howell 1937-7-26 13538 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14065  Boechera lyallii Gilbert J. Muth 1969-8-6 1228 Siskiyou Boulder Peak Ridge. 2468 Comment
  UCD77344  Boechera lyallii Robert E. Preston 2002-7-14 1933 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1981 Comment
  JEPS101151  Boechera pauciflora Dean W. Taylor 1996-6-19 15711 B Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  CHSC38087  Boechera pinetorum R. E. Preston; L. E. Preston 1983-6-9 390 Siskiyou Grass Lake Rest Area. 1542 Comment
  CAS-BOT-BC25425  Boechera retrofracta Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16493 Siskiyou At quarry on Glass Mountain. Comment
  CAS-BOT-BC25609  Boechera retrofracta John Thomas Howell 1939-8-8 15174 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC25624  Boechera retrofracta Margaret M. Stanna 1956-6-6 s.n. Siskiyou Glass Mountain. 2316 Comment
  SEINET3166091  Boechera retrofracta P. J. Alexander 2008-7-24 872 -A Siskiyou On the Pacific Crest Trail on the N side of Lilypad Lake, +-0.45 miles S of Red Butte, +-5.75 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1783 Comment
  CAS-BOT-BC25621  Boechera retrofracta S. Saufferer 1973-5-6 152 Siskiyou Just south of Dunsmuir along Railroad Creek. Comment
  UC375281  Boechera sparsiflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka; ; Siskiyou Co. Comment
  SEINET5340463  Boechera stricta G. Butler 1900-7-8 1664 Siskiyou Shackleford Creek. 1219 Comment
  CAS-BOT-BC25870  Boechera subpinnatifida L. E. Smith 1914-4-20 636 Siskiyou Yreka. Comment
  JEPS53188  Boechera subpinnatifida J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC25925  Boechera suffrutescens R. C. Wenk 2005-7-15 206 Siskiyou Trinity Alps, above S Fork of Salmon R, along Yellow Rose Mine trail, top of Pass between Yellow Rose and Dorleska mines 2133 Comment
  HSC29121  Botrychium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou Marble Mts. Wilderness Area, inlet of Tobacco Lake 1890 Comment
  CAS-BOT-BC418464  Boykinia major John Thomas Howell 1937-7-25 13464 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC418460  Boykinia major C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake; Flora of the Pacific Slope 1828 Comment
  CAS-BOT-BC418421  Boykinia occidentalis Doris K. Kildale 1928-7-1 5329 Siskiyou Forks of Salmon Comment
  RSA15650  Brickellia californica C. B. Wolf 1927-8-26 1005 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  POM147663  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Mount Eddy Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  UCD58497  Bromus carinatus var. marginatus A. H. Murphy 1955-5-29 55 V Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CAS-BOT-BC156272  Bromus catharticus W. D. Hamilton 1946-4-19 s.n. Siskiyou 4 miles north of Davis. Comment
  POM363434  Bromus marginatus M. B. Dunkle 1945-1 9320 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC22856  Bromus orcuttianus J. O. Sawyer 1969-6-11 816 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  HSC30542  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou Near English Lake, Salmon Mountains 1707 Comment
  HSC68521  Bromus orcuttianus Maralyn A. Renner 1980-6-23 983 Siskiyou W Fork Seiad Creek 878 Comment
  HSC778  Bromus orcuttianus William J. Ferlatte 1967-8-17 953 Siskiyou Yellow Rose Mine 1982 Comment
  UC1265364  Bromus suksdorfii F. W. Oettinger 1968-8-24 624 Siskiyou ne of Tom Taylor Cabin (above Crapo Ridge, Salmon Mountains, W Siskiyou County); Salmon Mountains 1889 Comment
  NY664637  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  UC618647  Bromus tectorum W. Bridge Cooke 1938-7-1 11159 Siskiyou above Bear Spring (near the Bear Spring-Wagon Camp Road, Mount Shasta); Mount Shasta 1676 Comment
  UC1265383  Calamagrostis canadensis F. W. Oettinger 1969-9-4 1652 Siskiyou Tobacco Lake, below Salmon Mountains 1889 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
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  SJSU11316  Calamagrostis rubescens S. H. Casey 1981-7-4 1209 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 6 mi N of Seiad Valley 1706 Comment
  CHSC62797  Calliscirpus criniger L. P. Janeway 1993-8-30 4567 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  RSA237991  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1076355  Calocedrus decurrens D. Tebbe 1930-3-28 60 Siskiyou near Weed Comment
  CAS-BOT-BC132245  Calochortus A. M. Vollmer; L. Beane 1951-6-2 56 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CHSC41223  Calochortus coeruleus J. D. Jokerst 1983-7-6 1831 Siskiyou Ca. 200 meters east of the meadow at Tom Young Flat, ca. 100 meters north of USFS rd. 24. Ca 2 miles north of Pondosa and Hwy 89. Comment
  CAS-BOT-BC487851  Calochortus coeruleus W. B. Cooke; V. G. Cooke 1946-6-17 17525 Siskiyou Along road below Wagon Camp, Mt. Shasta 1737 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  UC648358  Calochortus elegans Marion Ownbey and Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 mi ne Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts.; NE of Dry Lake Lookout, summit of Siskiyou Mts., Siskiyou Co. Comment
  CDA39290  Calochortus elegans var. nanus T. R. Haig & F. D. Horn 1978-5-31 s.n. Siskiyou Site of Deadwood Lookout, Fort Jones. 0 Comment
  SEINET12053885  Calochortus elegans var. nanus H. P. Chandler 1901-1 1646 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  SEINET5078371  Calochortus greenei Unknown 1995-7-1 25 Siskiyou near Table Mountain; east of Yreka, CA Comment
  UC1478044  Calochortus longebarbatus var. longebarbatus Jeff Prouty and Heinitz 1980-7-9 1129 Siskiyou 2 mi nw Pondosa; Shasta-Trinity National Forest, Tom Young Flat 1280 Comment
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Apr 18 2012
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  CAS-BOT-BC494018  Calochortus tolmiei G. J. Muth 1965-8-6 1299 Siskiyou Boulder Peak Ridge, Gap 2286 Comment
  RSA0120945  Caltha biflora Frederick W. Oettinger 1967-7-6 151 Siskiyou Statue Creek just below the highest clear out block of the Music Creek Logging Sale (block M). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  POM97903  Caltha howellii Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC181505  Caltha leptosepala D. M. Traugh 1933-8-7 17 Siskiyou Marble Valley Comment
  CHSC1436  Caltha leptosepala var. biflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  UC166116  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou Comment
  SEINET7379699 Image available Calycadenia truncata L. C. Wheeler 1934-6-26 2787 Siskiyou Klamath River, Siskiyou Mountains 762 Comment
  UC198763  Calypso bulbosa Annie M. Alexander and L. Kellogg 1911-6-17 157 Siskiyou Jackson Lake 1798 Comment
  JEPS74490  Calyptridium umbellatum W. J. Ferlatte 1966-6-22 77 Siskiyou Trinity Alps, Josephine Lake Basin Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  SD53343  Calyptridium umbellatum Darley F. Howe 1962-8-6 3410 Siskiyou Mt. Shasta 2440 Comment
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  UC1408825  Calyptridium umbellatum Frederick W. Oettinger 1968-8-19 Siskiyou s-facing slope of Crapo Peak Meadow (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC221256  Calystegia malacophylla subsp. malacophylla Wm. Bridge Cooke 1940-6-7 15098 Siskiyou Along the Pacific Highway near Black Butte Comment
  JEPS31594  Calystegia malacophylla subsp. malacophylla Willis L. Jepson Jul 24 1894-Aug 10 1894 14525 Siskiyou Sisson , Sisson (region of the Upper Sacramento) Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  SEINET7126172  Calystegia occidentalis G. D. Butler 1910-5-23 1397 Siskiyou Humbug mountain 1067 Comment
  RSA47654  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11865 Siskiyou 8 miles from summit of Gazelle Mt. grade, east side. 930 Comment
  UC164338  Camissonia contorta Geo. D. Butler 1909-4-26 615 Siskiyou Oro Fino Comment
  SEINET10462862  Campanula prenanthoides Clifton 1975-8-1 CLIFTON s.n. Siskiyou NR COOK & GREEN PASS, SEIAD VAL. QUAD., NR SEIAD V. 4800', ROADSIDE, COBBLY SOIL Comment
  UC479158  Campanula prenanthoides Marcus E. Jones, A. M. 1931-7-17 29061 Siskiyou Shasta City (Session's) Comment
  POM259605  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CHSC179  Campanula scabrella E. G. England 1939-7-16 Siskiyou Mt. Eddy timberline. 2133 Comment
  SEINET10463386  Campanula scabrella Muth 1978-8-2 MUTH 6762 Siskiyou Near South China Mountain, on the China Mountain quadrangle, close to the town of Callahan 2348 Comment
  POM59313  Campanula scouleri E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy. 1311 Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  CAS-BOT-BC266461  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Valley Creek meadows Comment
  SEINET10463874  Campanula wilkinsiana Groves 1944-8-28 GROVES s.n. Siskiyou Panther Meadows, Mt. Shasta. Comment
  POM369314  Cardamine Chadwick, Mrs Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC1368675  Cardamine bellidifolia var. pachyphylla W. B. and V. G. Cooke Siskiyou n side Red Butte (neath the South Gate, Mount Shasta); Mount Shasta, n side Red Butte Comment
  SEINET10585936  Carex abrupta David Castaner 1989-6-19 Castaner 10240 Siskiyou Along Hwy 3 Between Callahan and Gazelle along a rocky stream. Comment
  CAS-BOT-BC17970  Carex angustata Elmer I. Applegate 1895-5-28 783 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC18132  Carex athrostachya H. M. Hall; E. B. Babcock 1903-6-1 4062 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  SEINET10585659  Carex aurea A. Arthur Heller 1905-6-22 Heller 8096 Siskiyou Between Igerna and Weed. Comment
  UC195512  Carex cusickii Geo. D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC19873  Carex echinata subsp. echinata J. D. Jokerst 1983-7-5 1822 Siskiyou Ca. 15 air miles east of McCloud. Atkin's Meadow - at its northeast corner near the adjacent Lodgepole Pine Forest. Comment
  JEPS88650  Carex fracta Dean W. Taylor 1987-8-5 9227 Siskiyou Tate Creek at crossing of Forest Road 36N06 McCloud River Watershed, Tate Creek 1484 Comment
  JEPS125858  Carex geyeri Dean W. Taylor 1996-6-28 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  SEINET7561221 Image available Carex halliana Juha Pykala, D. H. Norris 1987-7-8 2432 Siskiyou Little Medicine Lake, between lake and road. 2042 Comment
  RSA530123  Carex halliana D. W. Taylor, Glenn L. Clifton, Stone 1987-8-6 9248 Siskiyou Medicinne Lake, extreme NE portion of county; T43N R3E Sec 10, about 300 NW of USGS guard station on road to Little Mt. Hoffman 2040 Comment
  HSC77213  Carex hassei L. P. Janeway 1983-8-6 489 Siskiyou At Poker Flat, near seep drainage at front edge of upper portion of meadow. 1524 Comment
  LA17569  Carex inops J. W. Stacey; 1940-7-12 15344 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  JEPS102967  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road 1347 Comment
  RSA0069322  Carex inops subsp. inops Dean Wm. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta; southeastern flank of the base of the mountain, Squaw Valley Creek watershed. 1664 Comment
  CAS-BOT-BC7661  Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  CHSC96014  Carex integra L. P. Janeway 2006-7-3 8775 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  HSC85835  Carex integra L. P. Janeway 1983-8-6 491 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  HSC29667  Carex integra Frederick W. Oettinger, R. F. Thorne 1969-8-4 1175 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1829 Comment
  CAS-BOT-BC278771  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR) 1600 Comment
  JEPS100907  Carex jonesii Dean W. Taylor 1987-6-7 9025 Siskiyou Paynes Springs 2011 Comment
  CAS-BOT-BC28432  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-22 13255 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC62595  Carex lenticularis var. lipocarpa L. P. Janeway 1993-8-31 4573 Siskiyou Northeast side of Cliff Lake; headwaters of South Fork Sacramento River. 1758 Comment
  UC1265339  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou n side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  HSC29637  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou Marble Mtns. Wilderness Area, N side of Hancock Lake 2043 Comment
  CHSC96602  Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  JEPS63686  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  UC909344  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou ca 1.5 mi e Scott Mt. Road; Carmen Lake 1737 Comment
  POM81432  Carex multicaulis Geo D. Butler 1909-7-15 853 Siskiyou Russian Creek. 1829 Comment
  SEINET10713504  Carex multicaulis George D. Butler Butler 1290 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  JEPS119369  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle. Comment
  CHSC106459  Carex nigricans Peter F. Zika 2009-8-16 24606 Siskiyou Cascade Range Highlands (CaRH). Near Road A10 (Everett Memorial Highway), Panther Meadows, S slope of Mt. Shasta, along creek. 2280 Comment
  CAS-BOT-BC119642  Carex nigricans William Bridge Cooke 1938-7-18 11484 Siskiyou Horse Camp Springs; in springs above camp along the summit trail. Mt. Shasta. 2545 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CHSC40161  Carex nudata L. P. Janeway 1983-7-23 444 Siskiyou Along southwest side of Klamath River, 2.8 miles east on China Creek Road (just west of Woods Bar). 320 Comment
  JEPS102965  Carex pachystachya L. P. Janeway 2002-7-12 7624 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  UCR37816  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC1256430  Carex pachystachya Frederick W. Oettinger 1968-9-6 735 Siskiyou on trail ne Tom's Lake - Salmon Mountains, Marble Mountain Wilderness Comment
  POM81967  Carex praegracilis Geo D. Butler 1910-4-19 1202 Siskiyou Near Yreka. Comment
  CAS-BOT-BC118773  Carex preslii John Thomas Howell 1937-7-25 13477 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA755707  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC1950435  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC77259  Carex rostrata L. P. Janeway 1983-8-28 635 Siskiyou Poker Flat 1529 Comment
  HSC76826  Carex scabriuscula L. P. Janeway 1982-8-14 134 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC62585  Carex scopulorum var. bracteosa Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  SD204750  Carex simulata R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness, along trail to English Peak. Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  UC1736054  Carex spectabilis Dean W. Taylor 1975-8-14 5360 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte, 2651 Comment
  UC642543  Carex spectabilis J. W. Stacey 1939-7-26 13748 Siskiyou in west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  RSA238930  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -b Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA238959  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1178 Siskiyou Wet meadow between Tobacco Lake and Mud Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238963  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1259 Siskiyou Lower pond, Tom s Lake Region. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7575712 Image available Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt, Marble Mts. Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  UC1382  Carex straminiformis W. H. Brewer 1862-9-13 1397 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC115846  Carex subfusca William Bridge Cooke 1938-6-24 11082 Siskiyou Mt. Shasta spring 1524 Comment
  CAS-BOT-BC115855  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Cr. 1280 Comment
  UC142949  Cassiope mertensiana subsp. ciliolata Dr. E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2590 Comment
  CAS-BOT-BC248989  Castilleja Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC86455  Castilleja affinis D. K. Imper Jun 1989 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2287 Comment
  HSC19023  Castilleja applegatei J. O. Sawyer 1969-6-12 920 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  LA209198  Castilleja applegatei C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou Marble Mountains, 0.5 mi SE of King's Castle 1828 Comment
  SEINET9299579  Castilleja applegatei Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CHSC118025  Castilleja applegatei subsp. pinetorum K. M. Meyer; A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National Forest. 0.1 mi on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  HSC72454  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-15 3962 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC91215  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-11 963 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC91232  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1977-7-20 2007 Siskiyou N slopes of Mt. Eddy 2287 Comment
  CAS-BOT-BC243760  Castilleja applegatei var. pinetorum Annie M. Alexander; Louise Kellogg 1949-7-22 5845 Siskiyou Top of ridge, trail to Kings Castle, Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC243764  Castilleja applegatei var. pinetorum Elmer I. Applegate 1923-8-18 3878 Siskiyou West base of Redshale Mountain, east side of Medicine Lake 1981 Comment
  UC163823  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain 1828 Comment
  UC60942  Castilleja arachnoidea Geo. B. Grant 1902-9-1 5114 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  POM42530  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC254012  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC254106  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC42230  Castilleja miniata J. D. Mastrogiuseppe 1974-9-2 167 Siskiyou W slope of ridge of Red Rock Mtn. 2165 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  LA86534  Castilleja miniata J. M. Tucker; 1963-8-17 1963 Siskiyou Marble Mountain Wilderness Area, Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Area 1493 Comment
  HSC20547  Castilleja pilosa R. C. Wunner 1965-6-7 131 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  UC164436  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain Comment
  POM42908  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC241082  Castilleja schizotricha Annie M. Alexander; Louise Kellogg 1949-7-22 5840 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 2072 Comment
  JEPS84188  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 0.5 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass, e of road) 1730 Comment
  RSA428401  Castilleja schizotricha M. B. Dunkle 1945-1 9297 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CAS-BOT-BC48648  Ceanothus cordulatus W. R. Dudley 1899-8-27 s.n. Siskiyou Sisson Comment
  POM172486  Ceanothus cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  RSA399046  Ceanothus cuneatus Bonnie C. Templeton 1960-6-21 8534 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  UC375371  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-20 497 Siskiyou near Yreka Comment
  CAS-BOT-BC50248  Ceanothus integerrimus H. A. Thomas; J. H. Thomas 1954-7-22 4446 Siskiyou Salmon - Trinity mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks 975 Comment
  HSC25662  Ceanothus integerrimus J. O. Sawyer 1969-8-18 2020 Siskiyou SE facing midslope near CCC Rd. Comment
  UC1539992  Ceanothus prostratus M. Mitchell 1936-5-11 16 Siskiyou Lava Beds National Monument, NE side of Hippo Butte 1615 Comment
  SEINET13946079 Image available Ceanothus sanguineus Linstedt, Strull, Houseman 1984-1 67 Siskiyou T40N R7W SEC32, SW 1/4. Indian Scotty Campground. Elev 2300 ft 701 Comment
  CAS-BOT-BC63152  Ceanothus velutinus Alice Eastwood 1921-7-31 11020 Siskiyou Shasta Springs. Comment
  HSC4478  Ceanothus velutinus William J. Ferlatte 1967-7-25 718 Siskiyou Caribou Mtn., W slope 2439 Comment
  LA45114  Ceanothus velutinus Wm. Bridge Cooke; 1939-7-14 13692 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  UC79914  Ceanothus velutinus T. S. Brandegee July 1889 2 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  SBBG71408  Ceanothus velutinus var. velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  HSC68201  Centaurea cyanus Steve Selva, J. P. Smith 1970-7-17 4444 Siskiyou 915 Comment
  CDA34726  Centaurea solstitialis L. Ahart, John Dittes 2010-7-3 16947 Siskiyou On high ground in a meadow area west of the Shasta River, about 200 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
  HSC68079  Centaurea solstitialis J. P. Smith, Steve Selva 1970-6-17 4091 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  OBI55419  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
  RSA381928  Cephalanthera austiniae M. B. Dunkle 1944-7-18 9140 Siskiyou Sterling Mountains, Siskiyou National Forest. Comment
  RSA215611  Cerastium arvense Gilbert Muth 1969-8-6 1199 Siskiyou Boulder Peak. 2530 Comment
  CDA3358  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CDA3360  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  UCD98015  Cerastium tomentosum M. V. Maxwell 1958-6-10 s.n. Siskiyou Yreka. Comment
  POM140927  Cercocarpus ledifolius E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook. Comment
  POM211410  Cercocarpus ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Summit of Sterling Mt. 2128 Comment
  UCD113090  Cercocarpus ledifolius Joseph M. DiTomaso 1976-9-9 690 Siskiyou Trinity Alps. 2 miles N of Upper Caribou Lake. 2164 Comment
  CAS-BOT-BC148525  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park - Mount Shasta 2438 Comment
  CAS-BOT-BC276768  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC276780  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 1999 Siskiyou Mount Eddy Comment
  CAS-BOT-BC276784  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-6 9367 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  UC1408798  Chaenactis douglasii var. douglasii Robert F. Thorne and Fred Oettinger 1969-8-10 38996 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest (above ski-lodge) 2377 Comment
  SD60215  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake, a short distance form Castle Crags in the yellow pine belt Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
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Feb 10 2013
  RSA749203  Chamaebatiaria millefolium K. M. Meyer, A. Townesmith 2007-9-18 222 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  UC26088  Chamaesaracha nana Milo S. Baker 1893-8-1 Siskiyou Medicine Lake 2438 Comment
  UCD126576  Chamaesaracha nana Jack Major 1961-7-14 637 Siskiyou along road to Panther Creek, Mount Shasta. 1800 Comment
  POM138054  Chamaesyce serpillifolia M. S. Baker 1897-08 147 Siskiyou On road to Medicine Lake. Comment
  CAS-BOT-BC160568  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  CAS-BOT-BC166095  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp - Waldo (Oregon) Road. Watershed of West Branch of Indian Creek. Klamath Nat. Forest 1371 Comment
  HSC19503  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-4 1794 Siskiyou Along C.C.C. road 1341 Comment
  UC618797  Chamerion angustifolium subsp. circumvagum W. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC69196  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2691 Siskiyou Bear Mtn. Comment
  SEINET6166384 Image available Cheilanthes gracillima W. V. Showalter 1954-8-8 Siskiyou Mt. Shasta. 2438 Comment
  UC1034058  Chenopodium botrys W. Bridge Cooke 1941-9-5 16265 Siskiyou along Memorial Hwy as far as MacBride Springs; Mt. Shasta Comment
  CDA3040  Chenopodium botrys T. C. Fuller 1966-10-7 15247 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  UC851136  Chenopodium foliosum L. E. Smith 1914-6-24 722 Siskiyou Sisson Comment
  RSA624500  Chenopodium vulvaria L. C. Wheeler 1935-7-13 3656 Siskiyou Ager. 793 Comment
  CAS-BOT-BC451436  Chimaphila menziesii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  SBBG25823  Chimaphila menziesii D. Myrick 1966-8-10 1527 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA756944  Chimaphila menziesii R. F. Thorne 1969-8-2 63339 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC19017  Chimaphila umbellata J. O. Sawyer 1969-7-23 1163 Siskiyou Near Horse Range Creek. 1341 Comment
  CAS-BOT-BC452276  Chimaphila umbellata C. Hart Merriam 1921-7-7 s.n. Siskiyou South Fork Ridge Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC39663  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson prop., 3.5 miles northwest of Gazelle. Comment
  CDA3725  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson property, 3.5 miles northwest of Gazelle. 0 Comment
  UC1183411  Chorispora tenella David E. Bayer 1960-5-27 Siskiyou 1 mi s of Macdoel (and running around Meiss Lake, Butte Valley, 1/4 mi s of road, in (west) ca. 1 mi on road originating at U.S. Hwy 97); Butte Valley 1280 Comment
  HSC4936  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 332 Siskiyou 1646 Comment
  HSC4937  Chrysolepis sempervirens J. O. Sawyer 1968-7-23 574 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  RSA476648  Chrysolepis sempervirens E. E. Stanford 1930-6-15 1580 Siskiyou 1 mile north of Dunsmuir. Comment
  SBBG1291  Chrysolepis sempervirens H. and M. Dearing 1948-9-12 6736 Siskiyou Mt Shasta Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  UCD110157  Chrysolepis sempervirens John M. Tucker; L. K. Mann 1963-7-4 3692 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UCR37810  Chrysopsis villosa var. hispida K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn Wilderness Area, Marble Mtn Guard Station, Scott Bar 15' Q. Comment
  POM57971  Chrysothamnus nauseosus subsp. albicaulis E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2226 Comment
  JEPS8809  Cichorium intybus W. L. Jepson 1940-6-23 19980 a Siskiyou Yreka 822 Comment
  CDA38307  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  UC1483509  Cinna latifolia Maralyn A. Renner 1980-8-8 2436 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  HSC77497  Circaea alpina subsp. pacifica L. P. Janeway 1983-7-18 431 Siskiyou Up NE draw 1/4 mi. from Rd. 19N07, 5 mi. from Indian Creek Rd. 1250 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA0070591  Cirsium ciliolatum D. H. Shaw, T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  CAS-BOT-BC278037  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278046  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC278055  Cirsium cymosum Alice Eastwood; John Thomas Howell 1934-4-20 1738 Siskiyou 5 miles n. of Yreka Comment
  UCD130565  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 s.n. Siskiyou north side York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  JEPS16945  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou along streams near North Fork of the Sacramento River 2194 Comment
  POM33220  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC286474  Cirsium scariosum A. A. Heller 1905-6-20 8077 Siskiyou Gazelle Comment
  UC165437  Cirsium scariosum Geo. D. Butler 1909-6-13 977 Siskiyou near Oro Fino Comment
  CAS-BOT-BC286470  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC228973  Cistanthe umbellata Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta Comment
  CAS-BOT-BC228979  Cistanthe umbellata John Thomas Howell 1934-7-4 12392 Siskiyou Unspecified Comment
  CAS-BOT-BC228955  Cistanthe umbellata F. D. Douthitt 1923-7-13 3 Siskiyou Klamath National Forest, Dry Lake Mt. 2133 Comment
  HSC64529  Clarkia purpurea subsp. quadrivulnera J. P. Smith, Steve Selva 1970-6-16 4082 Siskiyou Idlewild Campground 808 Comment
  UC1949050  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Thomas J. Delendick 1987-5-17 6972 Siskiyou W side Rt. 3 N of Callahan, 1.7 mi N of S Fk Scott River bridge Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  RSA299446  Claytonia parviflora J. P. Smith 1973-5-5 6523 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC443816  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  HSC4885  Claytonia sibirica J. O. Sawyer 1968-6-18 243 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC4460  Claytonia sibirica William J. Ferlatte 1966-8-18 411 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA464446  Claytonia sibirica M. B. Dunkle 1944-6-25 9003 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  RSA96932  Clematis ligusticifolia Percy C. Everett, E. K. Balls 1954-10-12 20272 Siskiyou N of Walker along Beaver Creek, 3.8 miles S from Beaver Creek Forest Service camp Comment
  UC11099  Cleome platycarpa Edward L. Greene 1876-6-12 845 Siskiyou near Yreka Comment
  CDA25290  Cleome platycarpa J. R. Grisham 1960-7-21 Siskiyou South side of road, 1 miles northwest of Montague. 0 Comment
  CAS-BOT-BC500954  Clintonia uniflora Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains Comment
  SEINET3131040  Clintonia uniflora G. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  UC142134  Clintonia uniflora Mrs. Legge Aug. 1900 Siskiyou Warm Castle Comment
  UC1409408  Collinsia linearis Frederick W. Oettinger 1968-9-9 794 Siskiyou ne of Tom's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); High Lake Basins, Marble Mtn Wilderness Area, Salmon Mts 1828 Comment
  CHSC89527  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  SEINET13395184  Collinsia parviflora B. Byrne 1941-4-10 s.n. Siskiyou Sugar Creek. Comment
  JEPS84181  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) 1420 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
  JEPS15386  Collinsia torreyi var. latifolia Douglas Barbe 1955-7-6 131 Siskiyou above se shore Taylor Lake (on slope); Klamath Mtns, Salmon Mtns 1950 Comment
  UC1409407  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-11 977 Siskiyou area w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness 1950 Comment
  RSA211303  Collinsia torreyi var. latifolia William J. Ferlatte 1966-6-22 99 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  UC879755  Collomia grandiflora A. A. Heller 1916-6-23 12436 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC922456  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1949-7-23 5853 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  HSC45829  Collomia heterophylla J. P. Smith 1973-5-5 6469 Siskiyou Along Cook and Green Pass Rd. Comment
  UCD77564  Collomia tinctoria Robert E. Preston 2001-7-21 1733 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  HSC19054  Collomia tinctoria J. O. Sawyer 1969-7-1 968 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  UCD118258  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake. Comment
  UC163664  Comandra umbellata subsp. californica Geo. D. Butler 1909-6-22 1069 Siskiyou Goosnest Foothills Comment
  UC4413  Corallorhiza maculata W. H. Brewer 1862-9-16 1412 Siskiyou Mount Shasta 1828 Comment
  HSC61807  Corallorhiza maculata Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA237634  Corallorhiza mertensiana Frederick W. Oettinger 1967-7-30 222 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
  HSC77013  Corallorhiza striata K. T. Stillman 1976-6-24 38 Siskiyou Marble Mountain Wilderness Area, trail from Lovers Camp to Marble Valley 1463 Comment
  CHSC65840  Cordylanthus tenuis subsp. pallescens Maria Ulloa-Cruz 1994-8-2 42 Siskiyou Shasta-Trinity National Forests. Southeast of County Dump site. 1200 Comment
  JEPS57397  Cordylanthus tenuis subsp. pallescens L. R. Heckard with T. I. Chuang 1968-7-3 1972 Siskiyou w Mt. Shasta City (se of Black Butte, along garbage disposal road just off hwy 5 (old 99)) 1173 Comment
  CHSC105583  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 0.6 mile above the junction with Old Stagecoach Road (study site 10). Lat. and Long. indicated +/- 33 feet. 1039 Comment
  RSA412337  Cordylanthus tenuis subsp. tenuis Louis C. Wheeler 1934-8-31 3231 Siskiyou West Fork Beaver Creek, Siskiyou Mtns. 1159 Comment
  JEPS66516  Cordylanthus tenuis subsp. viscidus L. R. Heckard and T. I. Chuang 1971-8-15 2773 Siskiyou 1 mi s of downtown Dunsmuir (below freeway) 822 Comment
  JEPS85954  Cordylanthus tenuis subsp. viscidus Don Burk 1990-11-3 Siskiyou w Dunsmuir (n side of road 40N26, ca. 1.8 mi below South Fork Sacramento River Bridge); Shasta National Forest 1828 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  RSA237382  Cornus californica Frederick W. Oettinger 1969-7-18 1058 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC212275  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, Klamath R. 670 Comment
  CAS-BOT-BC212051  Cornus nuttallii Roxana S. Ferris; Laura Lorraine 1948-6-12 11748 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  RSA0091888  Cornus nuttallii Bonnie C. Templeton 1957-6-24 7747 Siskiyou Near summit of Scott Mt. Comment
  RSA397465  Cornus nuttallii Christopher Davidson 1975-6-5 2648 Siskiyou 2.0 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1189 Comment
  UC1584283  Cornus nuttallii Julie Kierstead 1990-4-18 90 -13 Siskiyou F.S. Rd. #39N55 along Dead Horse Canyon; Shasta-Trinity Nat'l Forest, McCloud R.D., Dead Horse Canyon 1432 Comment
  SBBG5317  Cornus nuttallii J. M. Tucker 1947-5-17 154 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  SEINET6976042  Cornus nuttallii Unknown 1986-9-13 2155 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  CAS-BOT-BC210400  Cornus sericea W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  CAS-BOT-BC210404  Cornus sericea Doris K. Kildale 1928-8-20 6335 Siskiyou Head of North Fork Salmon River at Finley's Upper Camp Comment
  CHSC71574  Cornus sericea subsp. sericea Vernon H. Oswald; Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. Along a streamlet on the upstream side of a culvert. 1426 Comment
  CHSC99702  Cornus sericea subsp. sericea L. P. Janeway 2008-7-23 8463 Siskiyou Klamath Ranges. The Eddys/Scott Mountains; along small tributary from the west of Parks Creek; above Road 17 8.0 road km south of Stewart Springs Road. Along small creeklet flowing down a east-northeast facing slope, 1747 Comment
  LA40447  Cornus sericea subsp. sericea Wm. Bridge Cooke; 1939-7-21 13709 Siskiyou Mount Shasta, Bear Springs 1523 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
  UC637074  Corylus californica Edward Lee 1934-8-14 1111 Siskiyou Little Grayback 1851 Comment
  POM106652  Corylus cornuta var. californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain. Comment
  UCR246630  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Hwy 3 on Lighthill Road south of Fort Jones 831 Comment
  HSC35062  Crataegus suksdorfii J. P. Smith 1974-5-25 7642 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA238881  Crepis acuminata Frederick W. Oettinger 1967-7-26 197 Siskiyou Northeastern end of Crapo Peak ridge. Salmon Mountains: High lake basins in the vicinity of English Peak, Marble Mountains wilderness area; ca 2195 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  CDA4447  Crepis occidentalis J. Grisham 1958-5-14 399 -58 Siskiyou W. H. Gamble property, Yreka. 0 Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM147907  Crepis pleurocarpa J. B. Feudge 1927-7-24 1803 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  UC581260  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2436 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  HSC67966  Croton setiger J. P. Smith, J. O. Sawyer 1971-9-18 4808 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  RSA695874  Cryptantha intermedia D. W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  UCD78180  Cryptantha milobakeri Robert E. Preston 2008-5-14 2632 a Siskiyou Along Hwy 96, ca. 10.6 mi N of the confl of the Klamath River and Salmon River 262 Comment
  SEINET12564977  Cryptantha torreyana G. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  UC1170105  Cryptantha torreyana unknown 1956-7-16 30297 Siskiyou above Hotlum Station (n side of Mount Shasta); Mount Shasta 1524 Comment
  UC933385  Cryptantha torreyana Annie M. Alexander and Louise Kellogg 1948-9-7 5589 Siskiyou Black Bear Summit, at fork of road from Cecilville to first lookout Siskiyou Mountains 1524 Comment
  UC1408846  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou ridge between Diamond Lake and English Peak (Shasta Ridge); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  RSA331956  Cryptogramma acrostichoides W. Wisura, Dave Kelly 1895-7-31 4080 Siskiyou Near Kangaroo Lake, Scotts Mtns, on granite rocks near campground. Comment
  UCSB51229  Cryptogramma acrostichoides Almanza, Ed 1976-7-13 Siskiyou The "Gate" Pass, Mt. Shasta 2438 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  RSA96962  Cupressus bakeri Percy C. Everett, E. K. Balls 1954-10-13 20276 Siskiyou Seiad Creek, road to Kangaroo Mountain, 7.2 miles NE from Hwy 96. 823 Comment
  RSA70993  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-7-31 3011 Siskiyou 1 mi. E Dry Lake Lookout. 1829 Comment
  SDSU2276  Cymopterus terebinthinus var. californicus D. F. Howe 1964-8-4 3934 Siskiyou Probably Modoc National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
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Oct 12 2011
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC133737  Cypripedium californicum L. E. Smith 1913-6-19 371 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC19325  Cypripedium fasciculatum J. O. Sawyer 1968-6-18 229 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA603759  Dactylis glomerata L. C. Wheeler 1935-6-30 3626 Siskiyou 3 mi. S [of] Yreka; dry roadside ditch 854 Comment
  SEINET10515546  Dactylis glomerata Louis C. Wheeler 1935-6-30 Wheeler 3626 Siskiyou Dry roadside ditch. 3 miles S Yreka. Comment
  CAS-BOT-BC192250  Danthonia californica Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  CAS-BOT-BC192254  Danthonia californica John Thomas Howell 1937-7-1 13456 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UCD60991  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  UC1265436  Danthonia intermedia F. W. Oettinger and R. F. Thorne 1969-8-4 1173 Siskiyou Tobacco Lake Salmon Mountains 1889 Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  UC1112870  Danthonia unispicata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mts. Comment
  CAS-BOT-BC76241  Darlingtonia californica Peter H. Raven 1956-9-5 10440 Siskiyou North Fork of the Sacramento River. 2194 Comment
  CAS-BOT-BC76244  Darlingtonia californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  RSA240079  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 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
  CAS-BOT-BC141837  Dasiphora fruticosa Peter H. Raven 1956-9-4 10417 Siskiyou On the summit of Mt. Eddy 2758 Comment
  POM83288  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta. Comment
  RSA431673  Datisca glomerata Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  UC563969  Delphinium andersonii Elmer I. Applegate 1935-6-8 9453 Siskiyou w slope Sconchin Butte; Lava Beds National Monument Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  RSA398632  Delphinium glaucum Albert J. Perkins 1925-08 14737 Siskiyou Along road to Tuolumne Glacier, Yosemite National Park. Comment
  CAS-BOT-BC118071  Delphinium nuttallianum George Dexter Butler 1909-4-14 642 Siskiyou Humbug Road Comment
  HSC41678  Delphinium nuttallianum Jennifer Whipple 1976-6-30 1210 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC686  Delphinium nuttallianum William J. Ferlatte 1966-7-7 201 Siskiyou Caribou Basin 1982 Comment
  HSC720  Delphinium nuttallianum William J. Ferlatte 1967-7-26 743 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC77027  Delphinium nuttallianum K. T. Stillman 1976-6-25 50 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  JEPS93822  Delphinium nuttallianum Vernon H. Oswald and Lowell Ahart 1998-6-11 9205 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UC1409277  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou sw English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  HSC39751  Delphinium nuttallianum J. O. Sawyer 1970-4-4 2081 Siskiyou Along Sugar Creek 823 Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  UC1949312  Deschampsia cespitosa Barbara Ertter 1900-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  HSC104151  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CHSC61565  Deschampsia elongata L. P. Janeway 1983-9-11 662 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along dirt road in southwest part of meadow. 1524 Comment
  HSC19144  Deschampsia elongata J. O. Sawyer 1969-7-23 1450 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC30538  Deschampsia elongata Frederick W. Oettinger 1969-8-16 1396 Siskiyou Marble Mtn. Wilderness Area, Upper English Lake, SW of Wiregrass Meadow. 1707 Comment
  HSC71186  Deschampsia elongata M. A. Baker 1980-6-20 2219 Siskiyou Near Bald Mtn. 1036 Comment
  RSA728504  Deschampsia elongata Gary D. Wallace, Tom Jimmerson 1979-6-22 1857 Siskiyou Due west of Requa, NNW of Flint Valley, SE of Chimney Rock. Along 15N01. Comment
  POM369567  Descurainia incana subsp. viscosa M. B. Dunkle 1944-6-26 9042 Siskiyou Deer Creek Slope; Siskiyou Mtns. Beaver Creek. 1829 Comment
  CAS-BOT-BC43519  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  JEPS1798  Dianthus deltoides subsp. deltoides Duncan Dunning 1921-7-16 Siskiyou se Toad Mountain (Toad Lake, nw of Hambone, southeastern Siskiyou County); se of Toad Mountain Comment
  HSC2396  Dicentra formosa William J. Ferlatte 1966-8-18 416 Siskiyou Along the S Fork of the Salmon River between the Campground and Carter's 1524 Comment
  UCD114223  Dicentra formosa subsp. formosa Dean William Taylor 1972-7-4 1595 Siskiyou Near Lily Pad Lake 3 miles W of Cook and Green Pass. 1981 Comment
  HSC103843  Dicentra formosa subsp. oregana G. Fred Hrusa 2001-6-6 15854 Siskiyou Near summit of pass between Happy Camp, CA and O'Brien, OR at turnoff to Bolan Lake at Oregon border 1425 Comment
  CHSC639  Dicentra pauciflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  SEINET10533983  Dichelostemma multiflorum A. Arthur Heller 1919-6-27 Heller 13275 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, 3800 feet, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Comment
  HSC5959  Dieteria canescens var. canescens R. C. Wunner 1965-8-27 488 Siskiyou California Lava Beds National Monument; 1/2 mi. from Devil's Homestead Overlook on Gillems Bluff 1280 Comment
  CAS-BOT-BC290993  Dieteria canescens var. shastensis Elmer I. Applegate 1935-8-3 10011 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  UC1041122  Dieteria canescens var. shastensis J. W. Congdon 1900-8-13 Siskiyou near and above timber line; Mt. Shasta Comment
  UC223704  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Medicine Lake Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  JEPS11908  Dieteria canescens var. shastensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4794 Siskiyou 5 mi w junction with U. S. Highway 99 (on road from Yreka to Fort Jones) 1158 Comment
  HSC5468  Dimeresia howellii R. C. Wunner 1965-6-15 194 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  CAS-BOT-BC153447  Diplacus layneae L. E. Smith 1913-7-1 432 Siskiyou Dunsmuir Comment
  CAS-BOT-BC153725  Diplacus nanus Rodney Gregg 1948-8-4 s.n. Siskiyou On Gazelle Mountain 1310 Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  UCD137488  Dipsacus fullonum P. B. Schultz 1967-7-12 86 Siskiyou in town of Mt. Shasta across street from hospital. 1097 Comment
  JEPS107661  Distichlis spicata Lowell Ahart, John Dittes 2005-6-9 12004 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC29232  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: midway between Tom Taylor Cabin and English Peak Summit 1997 Comment
  UC1037375  Dodecatheon alpinum Douglas Barbe 1955-7-6 126 Siskiyou se end of Taylor Lake , se end of Taylor Lake (Salmon Mountains) 1950 Comment
  HSC44970  Dodecatheon jeffreyi J. O. Sawyer 1978-6-20 3269 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC69354  Dodecatheon jeffreyi Maralyn A. Renner 1980-8-21 2582 Siskiyou Kidd Creek 2043 Comment
  RSA181958  Downingia montana John Weiler, Lincoln Constance, E. Moleseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy 99 just N of the bridge over the Sacramento River at the N end of Lake Shasta (Antler Resort area.) Comment
  NY185257  Draba carnosula H. E. Brown 1897-7-15 443 Siskiyou Collected north side of Mount Shasta 1524.0 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
  CAS-BOT-BC41318  Draba pterosperma Harley Pierce Chandler 1901-6-1 1654 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC77118  Draba pterosperma K. T. Stillman 1976-6-25 62 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC166608  Draba verna Geo. D. Butler 1910-3-24 1143 Siskiyou Shasta Rim hills Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  HSC28659  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Marble Mtn. Wilderness Area, W above English Lake 1829 Comment
  RSA237854  Drymocallis glandulosa Frederick W. Oettinger 1969-8-5 1209 Siskiyou Dry hillside, Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC159437  Drymocallis glandulosa var. glandulosa Lewis S. Rose 1945-6-18 45059 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC159296  Drymocallis lactea var. lactea Alice Eastwood 1921-7-25 10843 Siskiyou Bigelows, McCloud River Comment
  HSC18925  Drymocallis lactea var. lactea J. O. Sawyer 1969-8-2 1708 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  HSC44936  Drymocallis rhomboidea J. O. Sawyer 1978-6-19 3246 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UC922661  Dryopteris arguta Annie M. Alexander and Louise Kellogg 1948-9-4 5575 Siskiyou between Somesbar and Forks of Salmon River (bank above Salmon River Rd); Siskiyou Mts Comment
  JEPS49934  Dudleya cymosa subsp. cymosa W. S. Kleaver 1921-1 Siskiyou Yreka Comment
  HSC60892  Echinochloa crus-galli Ken Stillman 1976-8-24 438 Siskiyou Along Klamath River at Williams Point. 366 Comment
  SD76185  Echinochloa muricata Helen V. Witham 1969-10-7 571 Siskiyou 10 miles west of Fort Jones, Scott River 700 Comment
  RSA120499  Eleocharis decumbens S. Tillett 1956-7-9 640 Siskiyou E. of Scott Mtn., Siskiyou-Trinity county line, ca 8 mi. SE of Callahan. 1829 Comment
  CAS-BOT-BC113349  Eleocharis engelmannii W. R. Ernst 1958-8-8 285 Siskiyou Grass Lake area, about 32 miles S of Oregon State line on Hwy 97. Comment
  CAS-BOT-BC113319  Eleocharis montevidensis 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. 1127 Comment
  HSC91313  Eleocharis suksdorfiana Jennifer Whipple 1978-10-6 2433 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC112016  Eleocharis suksdorfiana Elmer Ivan Applegate 1995-5-28 s.n. Siskiyou Sacramento River below Sisson. 18th crossing of SPR Comment
  UC618597  Eleocharis suksdorfiana W. Bridge Cooke 1938-7-21 11293 Siskiyou Panther Creek Middle Meadow, upper meadow 2286 Comment
  POM208264  Elodea canadensis L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC227126  Elymus Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  HSC30568  Elymus X hansenii Frederick W. Oettinger 1969-9-2 1589 Siskiyou Marble Mtn. Wilderness Area, meadow above Bear Meadow, near Tom Taylor Cabin. 2043 Comment
  HSC30687  Elymus X hansenii Frederick W. Oettinger 1968-8-8 456 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  UCD62819  Elymus X saundersii Chandler Jensen; Mike McGourty 1958-6-4 108 Siskiyou Kandra Ranch, 3 miles west of Macdoel. Comment
  UCD61279  Elymus aristatus L. Whitney 1935-7-15 3470 Siskiyou Near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  JEPS72943  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20011 Siskiyou n Mt. Shasta; Andesite Station 975 Comment
  UC1265447  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  HSC69214  Elymus glaucus Maralyn A. Renner 1980-7-24 2086 Siskiyou Lily Pad Lake 1768 Comment
  RSA239026  Elymus glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Southwest side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC1483499  Elymus glaucus Maralyn A. Renner 1980-8-20 2534 Siskiyou Big Flat Klamath National Forest, Coffee Creek Quad., S. Fk. Salmon R 1524 Comment
  CAS-BOT-BC206613  Elymus glaucus subsp. glaucus H. A. Thomas; J. H. Thomas 1954-7-27 4550 Siskiyou About 6 miles SE of Cecilville, south side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE, Salmon-Trinity Mts. 975 Comment
  HSC30580  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou Marble Mountain Wilderness Area, N end of Horse Range Lake 1822 Comment
  HSC101713  Elymus repens J. P. Smith, J. O. Sawyer 2011-6-25 13262 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  UCD62652  Elymus trachycaulus Beecher Crampton 1956-8-21 3824 Siskiyou 1/2 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. 1767 Comment
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  RSA8242  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-8-21 3917 Siskiyou Willow Creek, south of Lower Klamath Lake Comment
  UC164342  Epilobium ciliatum subsp. glandulosum Geo. D. Butler 1908-8-2 159 Siskiyou below Bottom's Camp; Shackleford Creek Comment
  RSA237577  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1305 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  SEINET515876  Epilobium densiflorum Vernon H. Oswald 1998-9-8 9604 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  SEINET9720242  Epilobium densiflorum G. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC61177  Epilobium glaberrimum Al Hobart 1967-7-19 Siskiyou El Capitan Comment
  HSC24698  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer 1969-7-26 1592 Siskiyou Along Sugar Creek 1707 Comment
  RSA264965  Epilobium hallianum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Siskiyou Mountains near Seiad Valley. 1634 Comment
  HSC19493  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-18 1402 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC22193  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-24 1496 Siskiyou SW of Sugar Lake 1890 Comment
  JEPS84342  Epilobium minutum L. R. Heckard with J. Hickman et al. 1986-7-17 6461 Siskiyou trail up Kangaroo Peak s Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  UC164470  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou near Yreka Comment
  POM38546  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek. Comment
  CAS-BOT-BC171833  Epilobium oreganum Alice Eastwood 1921-7-30 10999 Siskiyou Soda Creek Comment
  RSA237393  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Near Tobacco Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1890 Comment
  HSC45899  Eragrostis mexicana subsp. virescens Laura Witherspoon 1978-8-30 111 Siskiyou Klamath National Forest. Rd. to Ball Mtn. Lookout 2134 Comment
  UC220632  Eremocarpus setiger H. E. Brown Jul 15 1897-Jul 31 1897 571 Siskiyou Mt. Shasta; s side 1524 Comment
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  CAS-BOT-BC168333  Eremogone congesta var. congesta Harley P. Chandler 1901-6-1 1674 Siskiyou Marble Mountain 2438 Comment
  SJSU6527  Eremogone congesta var. congesta R. W. Trivelpiece 1973-6-30 163 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CHSC96600  Eremogone congesta var. crassula L. P. Janeway 2006-7-2 8731 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  RSA14485  Ericameria bloomeri Elmer I. Applegate 1923-9-7 3956 Siskiyou Near Dry Lake lookout station, Doggett Ridge, Siskiyou Mts. 1829 Comment
  UCD77638  Ericameria bloomeri Robert E. Preston 2001-8-26 1767 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2011 Comment
  UC1539983  Ericameria nauseosa M. Mitchell 1936-5-19 37 Siskiyou 1 1/4 mi w of Caldwell Butte; Lava Beds National Park 1417 Comment
  CAS-BOT-BC299471  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC293497  Erigeron aliceae John Thomas Howell 1939-8-2 14879 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1409461  Erigeron aliceae F. W. Oettinger and R. F. Thorne 1969-8-4 1185 Siskiyou meadow n of Tobacco Lake; Salmon Mts., English Peak area, Red Fir Forest 1889 Comment
  CDA4407  Erigeron austiniae Vernon H. Oswald & Lowell Ahart 1998-6-11 9214 Siskiyou Klamath National Forest boundary on Old State Highway, 1.5 miles south of the railroad crossing south of Mount Hebron. Comment
  UC455846  Erigeron bloomeri var. bloomeri I. J. Condit 1911-7-28 Siskiyou summit of ridge between Castle Lake and Mount Bradley Comment
  HSC22451  Erigeron cervinus J. O. Sawyer 1969-7-25 1520 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  UCD77642  Erigeron compositus Robert E. Preston 2001-7-21 1744 Siskiyou Klamath National Forest, Rainbow Mountain, 2255 Comment
  CAS-BOT-BC297188  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  HSC5560  Erigeron elegantulus R. C. Wunner 1965-7-9 375 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  CHSC71857  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1998-9-8 9609 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  UC163922  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou near Yreka (head of Long Gulch); Long Gulch Comment
  UC455840  Erigeron inornatus var. inornatus I. J. Condit 1909-8-23 Siskiyou near Sisson; Mt. Shasta, Castle Lake 1828 Comment
  RSA777991  Erigeron inornatus var. inornatus C. B. Wolf 1934-7-7 6031 Siskiyou 2 miles north of Shasta Springs 945 Comment
  UC556436  Erigeron linearis R. D. Roseberry 1936-5-21 Siskiyou 1 mi ne Whitney Butte; Modoc Lava Beds 1447 Comment
  UC1190269  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake Salmon-Trnity Alps Primitive Area, Caribou Lake 2042 Comment
  CDA5862  Erigeron philadelphicus L. Ahart, J. Dittes 2005-6-1 12082 Siskiyou About 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  CAS-BOT-BC224135  Eriodictyon californicum D. E. Breedlove 1962-6-11 3343 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  UC922358  Eriogonum compositum var. compositum Annie M. Alexander and Louise Kellogg 1949-7-29 5901 Siskiyou Campbell L. trail to Hidden L. (above Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  JEPS98387  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its jct. with Kangaroo Lake Road 1737 Comment
  RSA594177  Eriogonum congdonii S. O. Mattoon 1978-9-23 46 Siskiyou Mt. Eddy Divide, 2 miles N of Dead Fall Meadows; Shasta North Fork at Trinity Co. line 2287 Comment
  CAS-BOT-BC246493  Eriogonum diclinum James L. Reveal; Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  HSC32165  Eriogonum diclinum J. O. Sawyer 1970-7-5 2329 Siskiyou Ukanom Lake, E of Cuddiky Lakes, Plot 330 1738 Comment
  SD62051  Eriogonum elatum var. elatum Darley F. Howe 1965-8-8 4124 Siskiyou South side Little Gray Back, Klamath Netional Forest 1524 Comment
  CAS-BOT-BC255758  Eriogonum elatum var. villosum L. R. Abrams 1922-8-6 9907 Siskiyou Between summit and Hornbrook Comment
  CAS-BOT-BC261216  Eriogonum hirtellum James L. Reveal; Darin S. Reveal 1978-8-9 4810 a Siskiyou Along the dirt road from near Happy Camp to Baldy Mountain Lookout (USFS #17N11), 0.5 mile south of the junction of 17N23 near the head of Doolittle Creek 1280 Comment
  HSC43464  Eriogonum marifolium Jennifer Whipple 1977-7-20 1994 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC618611  Eriogonum marifolium Susan Stokes 1938-8-21 11543 Siskiyou Horse Camp Flats Mount Shasta, Horse Camp Flats 2438 Comment
  CAS-BOT-BC263179  Eriogonum marifolium var. cupulatum Robert F. Thorne; Fred Oettinger 1969-8-10 38985 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC261677  Eriogonum nudum var. nudum Doris K. Kildale 1929-8-23 8805 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  UC164460  Eriogonum nudum var. nudum Geo. D. Butler 1908-8-3 206 Siskiyou Log Lake Shackleford Creek Log Lake Shackleford Creek Comment
  POM208283  Eriogonum nudum var. nudum Louis C. Wheeler 1934-6-19 2738 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  RSA215592  Eriogonum nudum var. nudum Gilbert Muth 1969-8-8 1301 Siskiyou Boulder Peak Ridge Gap 2287 Comment
  CAS-BOT-BC269742  Eriogonum nudum var. oblongifolium Lewis S. Rose 1945-6-19 45148 Siskiyou Horse Creek & Klamath River 502 Comment
  UC1483463  Eriogonum nudum var. oblongifolium Maralyn A. Renner 1980-6-23 992 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad., W. Fork Seiad C 877 Comment
  CAS-BOT-BC272466  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-14 2720 Siskiyou 3 miles south of Hornbrook 914 Comment
  CAS-BOT-BC272496  Eriogonum nudum var. pubiflorum Geo. B. Grant 1902-9-10 s.n. Siskiyou Sisson Comment
  HSC42998  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-6-15 3977 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  SBBG1575  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-3 3538 Siskiyou near Scott Bar 609 Comment
  UCR12004  Eriogonum nudum var. pubiflorum William B. Cooke 1941-9-5 16270 Siskiyou Mt. Shasta, MacBride Springs Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  RSA120778  Eriogonum siskiyouense G. D. Barbe 1955-7-28 316 Siskiyou NW of Scott Mountain 1738 Comment
  RSA50191  Eriogonum siskiyouense E. K. Balls 1949-7-8 13913 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  SEINET10623859 Image available Eriogonum siskiyouense Edward L. Greene 1876-8-22 Greene 1002 Siskiyou Scott Mountain. 2743 Comment
  CAS-BOT-BC262731  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Comment
  SEINET13761715  Eriogonum sphaerocephalum var. halimioides R. R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road, E of Hilt. 902 Comment
  UC164466  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler May 10 1909-Jun 6 1909 721 Siskiyou Yreka Comment
  CHSC118625  Eriogonum sphaerocephalum var. halimioides Richard R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  CAS-BOT-BC262754  Eriogonum strictum var. anserinum L. E. Smith 1913-6-2 327 Siskiyou Unspecified Comment
  CAS-BOT-BC263398  Eriogonum strictum var. proliferum Alice Eastwood; John Thomas Howell 1937-6-25 5025 Siskiyou Callahan Comment
  CAS-BOT-BC267936  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  HSC62449  Eriogonum umbellatum Ruby Van Deventer 1939-7-19 Siskiyou Twin Valley Comment
  CAS-BOT-BC267980  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC267984  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  NY323619  Eriogonum umbellatum var. argus J. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042.2 Comment
  RSA237775  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -a Siskiyou Midway between Tom Taylor Cabin and Little North Fork River trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt Wilderness Area. 2012 Comment
  UC1035862  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1948-9-8 5601 Siskiyou top of grade between Sawyers Bar and Etna 1737 Comment
  HSC162  Eriogonum umbellatum var. dumosum William J. Ferlatte 1966-8-2 240 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  RSA420694  Eriogonum umbellatum var. modocense M. B. Dunkle 1944-6-18 9128 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  RSA65958  Eriogonum umbellatum var. nevadense F. W. Peirson 1923-7-19 3711 Siskiyou Near Bray. Comment
  HSC60822  Eriogonum umbellatum var. polyanthum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC62631  Eriogonum umbellatum var. polyanthum Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  JEPS56139  Eriogonum vimineum W. L. Jepson 1940-6-23 19987 Siskiyou e Grenada and Mayten (east side of Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC301116  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-24 10758 Siskiyou Castle Lake Comment
  JEPS34629  Eriophyllum lanatum var. achilleoides Duncan Dunning 1921-6-21 Siskiyou vicinity of Tennant Antelope Creek Comment
  RSA106204  Eriophyllum lanatum var. achilleoides D. D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  UC507118  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 86 Siskiyou 1 mi s Weed Comment
  CAS-BOT-BC301137  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 miles north of Bray Comment
  CAS-BOT-BC308283  Eriophyllum lanatum var. integrifolium G. J. Muth 1969-8-6 1189 Siskiyou Boulder Peak 2529 Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  CAS-BOT-BC301710  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC301723  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  HSC98326  Eriophyllum lanatum var. lanceolatum G. L. Clifton, Griswold 1979-6-28 6118 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  POM358044  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-1 9058 Siskiyou Smoky Creek Comment
  RSA238888  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Northeast of Horse Range Lake. Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1822 Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  CAS-BOT-BC301714  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1929-7-20 8711 Siskiyou Trail from Elk Lick to Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC21486  Eryngium articulatum C. B. Wolf 1927-8-27 1144 Siskiyou Klamath River at mouth of Dillon Creek Comment
  CAS-BOT-BC54582  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-6 5216 Siskiyou Summit Siskiyou Mountains, north of Takilma-Happy Camp Road. 1676 Comment
  CAS-BOT-BC55113  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-9 34218 Siskiyou Mount Shasta. Near McBride Springs in dry Cascade Gulch. 1524 Comment
  HSC192  Erysimum perenne William J. Ferlatte 1967-8-21 1070 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC194  Erysimum perenne William J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. 2470 Comment
  HSC62450  Erysimum perenne Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley 1524 Comment
  CHSC31215  Erythranthe breweri M. S. Taylor 1980-7-8 3103 Siskiyou On nw side of Castle Lake. 1615 Comment
  SEINET8340793  Erythranthe breweri J. M. Tucker 1974-7-28 4315 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CHSC118627  Erythranthe guttata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  RSA211424  Erythranthe pulsiferae William J. Ferlatte 1967-6-30 586 Siskiyou Along the south fork of the Salmon River between the campground and Carter's 1524 Comment
  POM109650  Erythronium californicum Geo D. Butler 1909-4-24 661 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC133273  Erythronium citrinum Elmer I. Applegate 1932-4-16 7062 Siskiyou 6 miles down the Klamath River from the mouth of Doggett Creek, just above Hamburg Comment
  UC54478  Eschscholzia californica H. M. Hall and E. B. Babcock June, 1903 4082 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 1158 Comment
  HSC22123  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1637 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET10453752  Euphorbia crenulata Mary Merello 1993-6-25 Merello 720 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
  RSA480970  Euphorbia lathyris W. Bridge Cooke 1940-6-20 15153 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. 610 Comment
  JEPS24018  Euthamia occidentalis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6879 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  HSC65339  Festuca californica J. P. Smith 1973-5-5 6428 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA239116  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1585 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1024797  Festuca idahoensis Leo Whitney 1934-6-29 2226 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UCD66146  Festuca occidentalis R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  UC197109  Festuca pratensis Geo. D. Butler 1909-8-16 862 Siskiyou near Yreka (along creek) Comment
  JEPS45829  Festuca roemeri Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  CHSC93737  Festuca rubra Barbara L. Wilson; Richard Brainerd 2003-6-17 10913 Siskiyou On road 41N14 in the Klamath National Forest, on west side of road 0.9 miles north of Road 1C02 (from Callahan toward Cecilville). 1127 Comment
  UC1108537  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou 3.5 mi above South Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  CAS-BOT-BC282571  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou Boulder Peak Ridge 2468 Comment
  UC1733722  Fragaria Frank Gould, Kay H. Beach 1940-5-15 Siskiyou Bull Meadows Comment
  HSC100197  Frangula californica J. P. Smith, & J. O. Sawyer 2011-9-6 13421 Siskiyou Along East Moffett Creek Road 983 Comment
  HSC67688  Frangula californica John Palmer 1980-7-24 634 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC59981  Frangula purshiana C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek. Comment
  CAS-BOT-BC59984  Frangula purshiana John Thomas Howell 1939-8-9 15238 Siskiyou Shackleford Creek Trail. Marble Mts. Comment
  UC15019  Fritillaria affinis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  RSA184804  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  UC375203  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  CHSC3219  Fritillaria recurva Gerry Carrauthers 1966-5-13 163 Siskiyou 6 mi. from Gazelle on Gazelle Mountain. 1219 Comment
  CAS-BOT-BC504467  Fritillaria recurva Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  RSA367751  Fritillaria recurva J. P. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass road. Comment
  UCD121552  Galium ambiguum G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3270 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  HSC68373  Galium aparine J. P. Smith 1973-5-5 6374 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS26662  Galium bolanderi Lauramay T. Dempster 1961-7-1 1833 Siskiyou just s Oregon border (s slope of mt); White Mountain Comment
  JEPS6706  Galium bolanderi W. L. Jepson July 1894 Siskiyou near Sisson; Muir Peak (= Black Butte) Comment
  UC164076  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  HSC29327  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou Marble Mtn. Wilderness Area, above stock gate between Willow Springs and English Lake, 200 ft. above trail 1829 Comment
  POM192703  Galium bolanderi M. S. Baker 1899-7-17 s.n. Siskiyou [Lava?] Beds. Fall River Valley. Comment
  UCD121617  Galium boreale P. B. Schultz 1967-7-12 83 Siskiyou 8 miles north of Siskiyou-Shasta county line on State Highway 89. 1219 Comment
  JEPS27425  Galium glabrescens subsp. glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-3 1875 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain Comment
  UCD121822  Galium muricatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Callahan on Cecilville Road. 975 Comment
  UCR94142  Galium parisiense J. A. Alexander, N. F. McBain, N. A. Alexander 1995-6-30 424 Siskiyou Line Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 miles west (293 deg. ) of the intersection with I-5, near the S.F. Clyburn family home from 1917-1966 518 Comment
  JEPS83840  Galium serpenticum subsp. scotticum Kenneth M. Balk and Miles Dwan 1980-7-18 418 Siskiyou along Hwy 3 between Callahan and Scott Mountain Campground; Klamath National Forest, China Mountain Quadrangle 1371 Comment
  UC1334978  Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan) 1828 Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  POM68802  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek. 1220 Comment
  JEPS6534  Galium triflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou woods near Sisson; Region of the Upper Sacramento Comment
  UC1258466  Galium triflorum John Palmer 1980-8-15 966 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  CAS-BOT-BC182269  Garrya fremontii L. E. Smith 1912-7-1 s.n. Siskiyou Hornbrook Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  CAS-BOT-BC282596  Gastridium phleoides L. E. Smith 1915-5-1 s.n. Siskiyou Dunsmuir Comment
  RSA597979  Gaultheria ovatifolia L. C. Wheeler 1963-8-29 8302 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1341 Comment
  HSC27971  Gaultheria shallon Carl W. Mize 1972-9-23 109 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  UC1190234  Gayophytum diffusum subsp. parviflorum Ira L. Wiggins 1955-7-27 13535 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  RSA34394  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17790 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  UC1584292  Gayophytum heterozygum J. Kierstead 1990-8-23 90 -143 Siskiyou Cold Creek Mt. Shasta, McCloud R.D. (e slope of mt.) 1584 Comment
  UC454603  Gayophytum heterozygum I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley Comment
  UC61660  Gayophytum heterozygum Geo. B. Grant September 1902 5170 Siskiyou Sisson Mount Shasta (in garden) 914 Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCD77734  Gayophytum humile Robert E. Preston 2002-6-20 1832 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  HSC16395  Gayophytum humile R. C. Wunner 1965-6-7 113 Siskiyou Lava Beds N.M., 0.5 mi. from Indian Well Campground on road to Dragon Head Cave Comment
  JEPS47720  Gayophytum ramosissimum W. B. and V. G. Cooke 1966-7-16 37219 Siskiyou above Bolam Station (along old road); Mt. Shasta 1524 Comment
  UC334251  Gentiana newberryi unknown Siskiyou near Shasta; Sierra Comment
  SEINET8586406  Gentiana newberryi W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  CAS-BOT-BC217422  Gentiana setigera Wayne Roderick 1967-9-1 s.n. Siskiyou Growing around edges of Cedar Lake, w. of Mt. Shasta 1828 Comment
  CAS-BOT-BC94968  Gentianopsis simplex R. C. Wenk 2008-8-31 990 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow 1981 Comment
  SEINET8567382  Geranium oreganum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  JEPS98787  Gilia Sue Pappalardo 1993-7-19 504 A 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
  RSA105502  Gilia capitata G. D. Barbe 1955-6-28 026 Siskiyou 1.5 miles north of Callahan 1006 Comment
  UC163987  Gilia capitata subsp. capitata Geo. D. Butler 1910-5-8 1311 Siskiyou near Yreka; near Yreka Comment
  RSA47617  Githopsis specularioides Roxana S. Ferris, Laura Lorraine 1948-6-12 11732 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  NY214735  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  NY329474  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  CAS-BOT-BC282715  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 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
  CAS-BOT-BC282849  Glyceria striata Doris K. Kildale 1929-7-21 8752 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  RSA238999  Glyceria striata Frederick W. Oettinger 1969-8-16 1401 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239002  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1202 Siskiyou Willow Spring on trail from English Trail to Abbot's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC19395  Goodyera oblongifolia J. O. Sawyer 1968-6-18 195 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC314628  Grindelia hirsutula R. E. Frenkel 1964-10-2 869 Siskiyou On the south-west side of Everett Memorial Highway near Mount Shasta 1642 Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 Comment
  JEPS80498  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  UC609340  Hackelia micrantha Eleanor Burks Hart 1938-8-15 896 Siskiyou s side of Upper Wright Lake 2225 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  HSC30446  Hastingsia alba Frederick W. Oettinger, R. F. Thorne 1969-8-8 1301 Siskiyou Marble Mountain Wilderness Area, Sundew Bog in English Lake Basin 1829 Comment
  HSC44849  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3988 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC1190143  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC504613  Hastingsia alba A. A. Heller 1928-6-23 14648 Siskiyou Along the Pacific Highway near Edgewood in the Shasta valley Comment
  CAS-BOT-BC504619  Hastingsia alba Peter H. Raven 1956-9-5 10443 Siskiyou Near North Fork of the Sacramento River 2194 Comment
  UC3686  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  CHSC118632  Hastingsia serpentinicola Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -007 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  UC892017  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Mt. Diablo Mer Siskiyou Mts., Condrey Mt. 2164 Comment
  CAS-BOT-BC306354  Helenium L. E. Smith 1914-7-6 752 Siskiyou Cantara Comment
  CAS-BOT-BC306735  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  JEPS16962  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of the Sacramento River 2194 Comment
  POM359786  Helenium bigelovii B. C. Templeton 1957-6-23 s.n. Siskiyou S slope of Scott Mt., between Trinity County line and Bear Creek. Comment
  UC336924  Helenium puberulum unknown 1878-7-1 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC305315  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS872  Helianthella californica subsp. californica Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River North Coast Ranges 426 Comment
  HSC92206  Helianthella californica var. shastensis Jennifer Whipple 1976-7-14 1481 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  JEPS109775  Helianthus exilis Dean W. Taylor 2002-7-27 18280 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  RSA715492  Heliotropium curassavicum var. oculatum L. Ahart 2005-6-9 12038 Siskiyou 20 yards north 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
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  RSA237793  Herniaria hirsuta subsp. cinerea Frederick W. Oettinger 1969-8-31 1568 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1966 Comment
  SD40681  Hesperocyparis bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Siskiyou Modoc lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
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  SD136999  Hesperocyparis bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6169 Siskiyou Siskiyou Mountains, above west fork of Seiad Creek, 3/4 mile above forks of creek, south slope in red rock. 1160 Comment
  UC1540189  Hesperolinon micranthum Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9051 Siskiyou Tom Young Flat McCloud River drainage 1280 Comment
  UC17263  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  JEPS24011  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6872 Siskiyou along the road 4.7 mi below (n of) Scott Mtn. (road summit, just s of and above Callahan) 1127 Comment
  JEPS24029  Heterotheca oregona var. rudis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6893 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  CAS-BOT-BC420700  Heuchera merriamii Doris K. Kildale 1928-7-2 5410 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC59101  Heuchera micrantha Clark L. Miller 1979-4-28 1108 Siskiyou 10 mi. SE along Salmon River Comment
  UC1141003  Heuchera rubescens C. L. Hitchcock, J. S. Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  CAS-BOT-BC319681  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou North side of Mt. Eddy 2133 Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  POM259365  Hieracium albiflorum J. T. Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM33157  Hieracium albiflorum Geo D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek. Comment
  JEPS95042  Hieracium greenei Vernon Oswald and Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat 3.9 mi s of Medicine Lake Road Grasshopper Flat; Forest Route 15 1700 Comment
  CAS-BOT-BC316009  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  UC32784  Hieracium nudicaule W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou Sisson Mount Shasta Comment
  UC897817  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou on road to Medicine Lake; Bear Spring Comment
  CAS-BOT-BC316031  Hieracium scouleri Lewis S. Rose 1936-7-29 36704 Siskiyou Shasta Springs 762 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  OBI55424  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  CHSC71472  Hieracium scouleri var. nudicaule Vernon H. Oswald; Lowell Ahart 1998-7-21 9314 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC1313023  Hieracium triste J. M. Tucker and L. K. Mann 1963-8-19 3783 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1920 Comment
  UC818453  Holcus lanatus L. E. Smith 1913-6-1 325 Siskiyou Sisson Comment
  CAS-BOT-BC280783  Holcus lanatus Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek, at Power House 822 Comment
  CDA12233  Holodiscus discolor G. F. Hrusa 1993-8-14 11401 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon, on Ca. side of state boundary. Comment
  JEPS45038  Holodiscus discolor Geo. D. Butler 1908-7-19 494 Siskiyou Humbug Comment
  JEPS82498  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  RSA237609  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou Southeast side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC39648  Hordeum brachyantherum J. P. Smith, J. O. Sawyer 1971-9-17 4676 Siskiyou Little Duck Lake Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  CDA2203  Hordeum murinum subsp. leporinum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2781 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC143951  Horkelia daucifolia J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UC1096805  Horkelia daucifolia Milo S. Baker 1947-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan Comment
  UC164307  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  POM224085  Horkelia daucifolia Alice Eastwood, John T. Howell 1934-4-20 1791 Siskiyou 4 miles N of Weed. Comment
  RSA120910  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  CHSC48850  Horkelia fusca subsp. parviflora Vernon Oswald 1986-5-29 2074 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  JEPS47183  Horkelia fusca subsp. parviflora W. L. Jepson 1940-7-3 20117 Siskiyou about 5 mi se Bartle (Large meadow.); Big Bear Flat 1219 Comment
  JEPS77496  Horkelia fusca subsp. parviflora Susan Horner 1978-6-30 397 Siskiyou About 4 mi s-se Hambone (on road between 40N05 and Sand Flat Well) 1280 Comment
  UC453995  Horkelia fusca subsp. parviflora I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  RSA317342  Horkelia fusca subsp. pseudocapitata James R. Shevock 1972-7-25 2223 Siskiyou Hwy 79 near Mt. Shasta, NE of Weed. 1524 Comment
  HSC28087  Horkelia fusca var. brownii J. D. Ackerman, A. M. Montalvo 1973-7-20 105 Siskiyou 3.7 mi. W of McCloud along Hwy. 89 Comment
  CAS-BOT-BC514290  Horkelia fusca var. pseudocapitata A. A. Heller 1938-7-12 15258 Siskiyou Near the summit of Deer Mountain on US Hwy 97 1767 Comment
  RSA166288  Horkelia tridentata Donald Myrick 1961-6-22 315 Siskiyou On Hwy 89 near McCloud. 915 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-BC539433  Horkelia tridentata var. tridentata Alice Eastwood 1912-7-15 1062 Siskiyou McCloud Comment
  CAS-BOT-BC539439  Horkelia tridentata var. tridentata Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC201128  Hosackia crassifolia Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  HSC38600  Hulsea nana J. O. Sawyer 1976-10-31 2827 Siskiyou Above timberline along Ash Creek below Wintun Glacier, E side of Mt. Shasta 3201 Comment
  HSC22098  Hydrophyllum occidentale J. O. Sawyer 1969-7-16 1139 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC77082  Hydrophyllum occidentale K. T. Stillman 1976-6-16 8 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC67767  Hypericum anagalloides John Palmer 1980-8-15 964 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC99611  Hypericum anagalloides J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 Comment
  RSA15599  Hypericum perforatum C. B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp. Comment
  HSC29262  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Sundew Bog 1799 Comment
  RSA30670  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  CAS-BOT-BC94922  Ipomopsis aggregata R. C. Wenk 2008-7-23 905 Siskiyou SW side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch 2316 Comment
  UC164139  Ipomopsis aggregata Geo. D. Butler 1910-7-12 1744 Siskiyou Shackleford Creek 1219 Comment
  UC455675  Ipomopsis aggregata I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UCD35444  Ipomopsis aggregata Beecher Crampton 1956-8-22 3863 Siskiyou South slope of Mt. Shasta, Wagon Camp Road. 1828 Comment
  HSC77055  Ipomopsis aggregata K. T. Stillman 1976-8-7 186 Siskiyou Marble Mtn. Wilderness Area., upper slopes of Marble Mtn. 1951 Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  CHSC9507  Ipomopsis aggregata subsp. formosissima J. F. Goodwin 1971-7-3 143 Siskiyou South side of road, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  CDA33251  Iris chrysophylla T. C. Fuller 1958-6-18 1817 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  UC844949  Iris tenuissima unknown 1941-6-6 16015 Siskiyou e base Mt. Eddy Comment
  RSA135924  Iris tenuissima Lee W. Lenz 1953-5-13 18298 Siskiyou 7 miles from Happy Camp on road to Yreka 366 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  HSC100247  Isatis tinctoria J. P. Smith, & J. O. Sawyer 2010-5-2 12799 Siskiyou River access road, on the Salmon River. 164 Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  HSC36751  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC166110  Isatis tinctoria Geo. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  UC400940  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 C Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  HSC30622  Isoetes bolanderi Frederick W. Oettinger 1969-8-21 1474 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  CAS-BOT-BC324838  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1219 Comment
  CAS-BOT-BC142726  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  CDA39574  Juglans hindsii D. H. Shaw &Q. L. Holdeman 1977-9-26 s.n. Siskiyou Klamath River Lodge, Klamath River. 0 Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  UCD141342  Juncus balticus subsp. ater Calvin McMillan; Malcom A. Nobs 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  UC1573177  Juncus covillei Dean Wm. Taylor with Glenn Clifton 1987-8-5 9223 Siskiyou Tate Creek, at crossing of Forest Road 36N06, McCloud River watershed McCloud River 1484 Comment
  JEPS124474  Juncus effusus subsp. effusus Daniel Slakey 2015-7-14 161 Siskiyou South side of Copco Lake. Along Ager-Beswick Rd. just south of junction with Patricia Ave. Comment
  CHSC114076  Juncus howellii Jennifer Buck 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento Rivr headwaters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  HSC96555  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-10 380 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1106413  Juncus mertensianus Peter Kamb 1949-8-25 1486 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 2621 Comment
  CAS-BOT-BC110804  Juncus mertensianus Wm. Bridge Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  HSC30707  Juncus nevadensis var. nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou Sundew Bog, W of English Lake 1829 Comment
  JEPS84033  Juncus orthophyllus L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6383 Siskiyou ca 1.5 mi e Red Butte Summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS91255  Juncus orthophyllus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9871 Siskiyou ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Abobe Flat 1097 Comment
  RSA21885  Juncus parryi J. T. Howell 1939-8-3 15009 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA233666  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38981 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2378 Comment
  UC1265304  Juncus parryi Frederick W. Oettinger 1968-9-8 781 Siskiyou near outlet of English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  UCR37587  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou South side & above the South Fork of Indian Creek, NE of Preston Peak. 1463 Comment
  CAS-BOT-BC81141  Juniperus communis E. G. Dudley 1907-8-16 s.n. Siskiyou Peak north of Jackson Lake Comment
  UC483416  Juniperus occidentalis M. G. Anderson 1902-3-4 Siskiyou between Yreka and Humbug Creek Comment
  UCD133788  Juniperus occidentalis Jo Ann Olson; Gary R. Robbins 1969-2-15 7 Siskiyou Near U.S. Highway 97 in vicinity of Whitney Creek, north side of Mt. Shasta. 1127 Comment
  POM21780  Juniperus occidentalis var. occidentalis Alice Eastwood 1922-10-23 11554 Siskiyou Yreka. Comment
  SEINET11056662  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2343 Siskiyou Scott Mountains, on road to Callahan, 9 road miles SW of summit. 1116 Comment
  UC412684  Kalmia polifolia subsp. microphylla Annie M. Alexander and Louise Kellogg 1911-6-15 146 Siskiyou Jackson Lake Comment
  CDA33311  Kalmia polifolia subsp. polifolia Gordon Leppig, T. LaBanca and L. Arguello 1997-6-27 497 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  CAS-BOT-BC246174  Keckiella lemmonii Alice Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  UC163817  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek; Clark Mine Comment
  UC60949  Keckiella lemmonii Geo. B. Grant Sep 1902 4189 Siskiyou Dunsmuir Comment
  HSC82202  Kelloggia galioides Thomas W. Nelson, Jane P. Nelson 1980-7-5 5967 Siskiyou Fowler's Campground 1006 Comment
  RSA238887  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou On the NE side of the saddle between Toms Lake Basin and Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1951 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
  HSC100335  Koeleria macrantha J. P. Smith 2011-7-15 13303 Siskiyou 1427 Comment
  JEPS84220  Kopsiopsis strobilacea L. R. Heckard with J. Hickman et al. 1986-7-17 6510 Siskiyou N slope of Condrey Mountain. 1960 Comment
  HSC69095  Kyhosia bolanderi Maralyn A. Renner 1980-8-4 2222 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC340368  Kyhosia bolanderi Wm. Bridge Cooke 1940-8-2 15408 Siskiyou Mount Shasta. Throughout the lower Wagon Camp meadow Comment
  JEPS116604  Lathyrus brownii J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -13 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  HSC39994  Lathyrus tracyi J. P. Smith 1973-5-5 6517 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC106103  Lemna minuta Lowell Ahart; John Dittes 2010-7-30 16958 Siskiyou On the south side 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) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC3224  Lepidium campestre Virginia Hagaman 1966-5-14 180 Siskiyou McConnahue Gulch--4 1/2 miles east of Etna. Comment
  HSC103821  Lepidium campestre G. Fred Hrusa, T. D. Wilfred 1999-5-31 15071 Siskiyou East side of I-5 at Klamath River rest area, ~10 mi. N of Yreka; former homestead 640 Comment
  UC1034611  Lepidium campestre Douglas Barbe 1955-6-29 31 Siskiyou 1 mi e Callahan; Klamath Mountains 975 Comment
  RSA105500  Lepidium campestre G. D. Barbe 1955-6-29 31 Siskiyou 1 mile east of Callahan 976 Comment
  CAS-BOT-BC89182  Lepidium draba Lincoln Constance; Reed Clark Rollins 1942-5-14 2920 Siskiyou Klamath Siskiyou Region. One mile east of Yreka. 762 Comment
  CAS-BOT-BC89826  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  CAS-BOT-BC89829  Lepidium montanum A. A. Heller 1925-7-25 s.n. Siskiyou In the Shasta Valley north of Gazelle. Comment
  NY76304  Lepidium montanum subsp. canescens L. C. Wheeler 1935-6-30 3639 Siskiyou 3 miles south of Grenada, Shasta Valley 792.5 Comment
  JEPS2687 Image available Leptodactylon pungens W. L. Jepson 1940-6-23 19994 Siskiyou (e of) Mayten; Little Shasta Valley Comment
  SEINET14160907  Leptosiphon bicolor G. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  UCSB7737  Leptosiphon ciliatus Hardham, Clare 1961-6-30 Siskiyou White Mt. 1828 Comment
  POM74194  Leptosiphon filipes Edward Palmer 1892-7-13 s.n. Siskiyou Mt. Shasta and vicinity. Comment
  HSC29272  Leptosiphon nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou Marble Mtn. Wilderness Area, basin E of Salamander Pond, near Abbotts Lake 1905 Comment
  CAS-BOT-BC341893  Lessingia nemaclada Ira L. Wiggins 1955-7-23 13461 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC341903  Lessingia nemaclada Carl B. Wolf 1927-8-26 1058 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  CAS-BOT-BC341899  Lessingia nemaclada Doris K. Kildale 1928-7-25 5880 Siskiyou Klamath River near Hamburg Comment
  CAS-BOT-BC508376  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  HSC755  Leucothoe davisiae William J. Ferlatte 1967-7-26 739 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC58258  Leucothoe davisiae W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak. Salmon Mts. 2133 Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 Comment
  HSC68543  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-6-24 1077 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS127644  Lewisia cotyledon var. cotyledon Jurriaan M. de Vos 2014-7-10 312 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, E from Cook and Green pass (Forest Road 1055). Comment
  HSC99207  Lewisia leeana J. O. Sawyer 1969-6-13 1059 Siskiyou Slope above Little Duck Lake 2134 Comment
  CAS-BOT-BC444087  Lewisia leeana Philip A. Munz 1952-7-2 17915 Siskiyou On rd. to Baldy Mt., 6 mi. w. (by air) of Happy Camp, Siskiyou Mts. 1432 Comment
  CAS-BOT-BC444306  Lewisia pygmaea Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  CAS-BOT-BC444578  Lewisia triphylla Ira L. Wiggins 1955-7-27 13539 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC162636  Lewisia triphylla Harley P. Chandler June, 1901 1607 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges 2133 Comment
  SEINET10531246  Libocedrus decurrens H. E. Brown 1897-7-1 Brown 507 Siskiyou North side Mt. Shasta. 5000-9000 feet. 1500 Comment
  SEINET10932794  Libocedrus decurrens William B. Cooke 1941-1 Cooke 16318 Siskiyou Junction of Wagon Camp and Memorial Highways. Scattered trees ocur throughout the Transition Zone on Mt. Shasta. 6000 feet. 1830 Comment
  HSC23542  Ligusticum grayi J. O. Sawyer 1969-8-5 1959 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  JEPS84045  Ligusticum grayi L. R. Heckard with J. Hickman et al. 1986-7-17 6537 Siskiyou Road end area and camp overlooking S end of Alex Hole, SE of Condrey Mt. Comment
  RSA691933  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC1409712  Ligusticum grayi Melinda F. Denton 1973-6-30 2933 Siskiyou ca. 5 meters s. Sanger Lake (Young's Valley, Klamath Nat'l Forest); Klamath Nat'l Forest, Young's Valley 1408 Comment
  CAS-BOT-BC509387  Lilium kelleyanum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC130811  Lilium pardalinum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house 1341 Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  HSC77934  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1501 Siskiyou Near Flint Valley 1402 Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  UC1334271  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer and Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 mi ne Mount Shasta (town) 1402 Comment
  JEPS58261  Linanthus bolanderi Geo. D. Butler 1909-4-26 617 Siskiyou Oro Fino Comment
  JEPS58267  Linanthus bolanderi Geo. D. Butler 1909-4-26 621 Siskiyou Oro Fino Comment
  UC163841  Linanthus ciliatus Geo. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  CHSC91816  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Roadside, Mt. Hebron-Medicine Lake Road, just E/ Rock Rock School road. Comment
  HSC4866  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-6-25 335 Siskiyou 1646 Comment
  HSC4867  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-6-18 170 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC889483  Linnaea borealis var. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill Comment
  HSC43835  Linum lewisii Maralyn O'Meara 1974-5-27 489 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC60001  Linum lewisii D. L. Goforth 1979-7-7 230 Siskiyou Klamath National Forest, Condrey Mtn., near Windy Camp. 2027 Comment
  CAS-BOT-BC94972  Linum lewisii var. lewisii R. C. Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2133 Comment
  HSC67670  Listera convallarioides John S. Palmer 1980-7-24 591 Siskiyou Elk Hole 1503 Comment
  UC1190127  Listera convallarioides Ira L. Wiggins 1955-7-23 13470 Siskiyou China Creek 1097 Comment
  UC62214  Lithocarpus densiflorus W. J. V. Osterhout 1903-1 Siskiyou Shasta Springs Comment
  UC1586901  Lithophragma Juha Pykala and D. H. Norris 1987-6-26 2061 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness, below Bear Lake, abv Bear Creek Comment
  HSC64830  Lithophragma affine J. P. Smith 1973-5-5 6384 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CDA25411  Lithophragma affine T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  JEPS25672  Lithophragma campanulatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7317 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  CAS-BOT-BC435474  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley 786 Comment
  CAS-BOT-BC317336  Lithospermum californicum Doris K. Kildale 1929-7-20 8553 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC325943  Lithospermum californicum A. M. Vollmer; L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Highway Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  HSC76735  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-15 243 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC29158  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, Hancock Lake 1951 Comment
  JEPS91126  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  CHSC91232  Lomatium macrocarpum Lowell Ahart; John Dittes 2005-6-9 12032 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC22244  Lomatium macrocarpum J. O. Sawyer 1969-7-24 1513 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC77246  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  CDA38466  Lomatium macrocarpum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2787 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  SDSU2236  Lomatium marginatum D. F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada. 1219 Comment
  HSC43384  Lomatium nudicaule Maralyn O'Meara 1974-5-26 460 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  UC165962  Lomatium nudicaule Geo. D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  RSA452584  Lomatium nudicaule L. C. Wheeler 1935-6-29 3623 Siskiyou Yreka 808 Comment
  RSA78834  Lomatium nudicaule P. A. Munz 1952-7-2 17912 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  RSA30660  Lomatium peckianum Lincoln Constance, R. Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
Read comments
Apr 26 2007
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  RSA238542  Lonicera conjugialis Frederick W. Oettinger 1967-8-3 231 Siskiyou West side of Little Hancock Lake; Hancock Lake Basin. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  CHSC51216  Lonicera hispidula L. P. Janeway 1984-6-21 854 Siskiyou At Ferry Point, W side of Klamath River. 289 Comment
  CAS-BOT-BC240638  Lonicera hispidula Doris K. Kildale 1928-7-3 5428 Siskiyou Forks of Salmon on Salmon River Comment
  JEPS16020  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  JEPS98788  Lotus Sue Pappalardo 1993-7-19 507 Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  SEINET957271  Lotus corniculatus Ynez Whilton Winblad 1941-1 Siskiyou Between Oregon Line and Yreka. Comment
  POM27063  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  JEPS55465  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  CDA27212  Lotus humistratus D. Osterhandt, Don Shaw 1978-4-11 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  RSA281673  Lotus oblongifolius S. O. Mattoon 1978-7-23 119 Siskiyou Wright Lakes Trail, 11 air mi. W of Fort Jones, Marble Mts. 1982 Comment
  UC917243  Lotus oblongifolius var. oblongifolius R. Tofsrud and J. M. Tucker 1948-8-3 1777 Siskiyou 3 mi (by road) below Happy Camp to Waldo, Oreg. road summit Comment
  UC1025034  Lotus purshianus var. purshianus Leo Whitney 1934-6-23 1542 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC29397  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  HSC4896  Luetkea pectinata J. O. Sawyer 1968-7-9 426 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA237596  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  SD219102  Luetkea pectinata R. F. Thorne, Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness area, high lake basins in the vicinity of English Peak; SE side of Diamond Lake. 2073 Comment
  UC722263  Luetkea pectinata C. L. Hitchcock and J. S. Martin 1939-7-9 5328 Siskiyou 0.5 mi se King's Castle; Marble Mts. 1828 Comment
  RSA34240  Luina hypoleuca C. B. Wolf 1927-8-27 1138 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  RSA300985  Lupinus albicaulis var. albicaulis David B. Dunn 1971-8-15 18141 Siskiyou 1/2 mi. east of McCloud Ranger Station on Hwy. 89. Comment
  CDA27352  Lupinus albicaulis var. shastensis Vernon H. Oswald & Lowell Ahart 1998-6-11 9184 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA123589  Lupinus albicaulis var. shastensis G. D. Barbe 1955-7-5 110 Siskiyou 4.7 miles west of Greenview in Quartz Valley. 915 Comment
  SEINET11071672 Image available Lupinus albicaulis var. shastensis A. A. Heller 1905-1 8024 Siskiyou Shasta Springs Comment
  CAS-BOT-BC198370  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just south of Dunsmuir along Railroad Creek. Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  CAS-BOT-BC196328  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49135 Siskiyou Highway 99 - Klamath River Bridge, 3.9 miles south - Shasta River Canyon Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  SBBG22423  Lupinus andersonii C. B. Hardham 1961-7-3 8067 Siskiyou Scott Mtn, S of Callahan Comment
  CHSC82833  Lupinus angustiflorus L. P. Janeway 2002-7-13 7636 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  SEINET10484722  Lupinus arbustus subsp. silvicola Katherine L. Morris 1973-5-25 Morris 280 Siskiyou 4.2 miles ne of the junction of hwy 5 and 97 on hwy 97 in an area of purshia, Artemisia, sparse yellow pine, and arctostaphylos Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  CAS-BOT-BC196356  Lupinus argenteus var. argenteus M. K. Curran 1887-7-1 s.n. Siskiyou Edgewood Comment
  RSA47806  Lupinus bicolor subsp. tridentatus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11727 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  RSA237957  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Rocky ridge east of English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  CAS-BOT-BC215188  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  JEPS87960  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1889 Comment
  SEINET2062869 Image available Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou West sope of ridge of Red Rock Mountain. 2194 Comment
  CAS-BOT-BC215102  Lupinus croceus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou N slope of Scott Mountain 1158 Comment
  RSA666384  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1890 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  SEINET10485428  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  HSC41642  Lupinus lapidicola Jennifer Whipple 1976-6-12 975 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC63293  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, .8 k. SE of Tickner (Peak) 2100 Comment
  UC195162  Lupinus latifolius var. viridifolius Annie M. Alexander and Louise Kellogg 1911-6-24 181 Siskiyou Jackson L. 1798 Comment
  OBI35630  Lupinus lepidus var. lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou Klamath Natl Forest, Marble Mts. King's Castle Comment
  POM26762  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River. Comment
  UCD107955  Lupinus leucophyllus Freed W. Hoffman 1948-7-8 2417 Siskiyou Scott Bar Lodge, Scott River. Comment
  CHSC118592  Lupinus luteolus Richard R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  HSC2244  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Yreka Comment
  JEPS65333  Lupinus luteolus Geo. D. Butler 1909-6-26 910 Siskiyou Yreka; Upper Field Comment
  JEPS74336  Lupinus luteolus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 a Siskiyou about 4 air miles N of: Shasta River Bridge Yreka Comment
  RSA413776  Lupinus luteolus Bonnie C. Templeton 1960-6-21 8531 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  SEINET10488769  Lupinus luteolus James P. Smith, Steven B. Selva 1970-8-9 Smith, Jr. 4576 Siskiyou T.46n, r.2w, sec.14. Disturbed roadside in potato fields w of macdoel. Comment
  HSC67777  Lupinus lyallii J. O. Sawyer, J. Cole 1980-7-21 3872 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  UC1401213  Lupinus microcarpus var. microcarpus K. Morris, LeDoux and Dunn 1973-6-2 339 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  UC1034051  Lupinus obtusilobus W. Bridge Cooke 1941-9-10 16310 Siskiyou vicinity Horse Camp (Mt. Shasta); Mt. Shasta Comment
  RSA183652  Lupinus polyphyllus subsp. superbus Gilbert Muth 1965-8-6 188 Siskiyou Marble Mountains; backside of Black Mountain 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
  SEINET10490239  Lupinus sellulus subsp. ursinus Smith 1978-7-2 Smith 9971 Siskiyou Seiad valley quadrangle. Klamath national forest. Ridge trail to the e of Cook and green pass. Montane chaparral. Sections 8 and 9. 1341 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  RSA296805  Lupinus subvexus var. subvexus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills near Yreka. Comment
  SEINET10895575  Lupinus vallicola subsp. vallicola Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 372 Siskiyou found along roadside . 7 mi S of junction at Etna Road on Hwy 3. Comment
  HSC68469  Luzula comosa Maralyn A. Renner 1980-6-26 1141 Siskiyou Flint Valley 1390 Comment
  HSC69299  Luzula comosa Maralyn A. Renner 1980-7-24 1990 Siskiyou Pacific Crest Trail above Lily Pad Lake 1799 Comment
  HSC92875  Luzula comosa Jennifer Whipple 1978-7-20 2362 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  CHSC115766  Luzula macrantha P. F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  RSA29686  Luzula parviflora L. C. Wheeler 1934-8-17 3184 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  RSA233706  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  UC165392  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou near Yreka Comment
Read comments
Jan 23 2011
  SD101077  Madia elegans Darley F. Howe 1977-1 Siskiyou 7.7 miles south of Etna 1000 Comment
  UC165972  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  CAS-BOT-BC344542  Madia exigua L. E. Smith 1913-6-12 353 Siskiyou Sulloway Creek Comment
  SEINET11601402 Image available Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC343431  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC29116  Madia gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Marble Mountain Wilderness Area, English Peak vicinity, Horse Range Lake 1860 Comment
  SEINET5339049  Mahonia nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  CHSC72239  Malva neglecta Vernon H. Oswald; Lowell Ahart 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  UC618755  Malva neglecta W. Bridge Cooke 1938-8-21 11550 Siskiyou in front yard of Shasta Alpine Lodge, Horse Camp Shasta Alpine Lodge; , Horse Camp 1524 Comment
  HSC63635  Marrubium vulgare J. P. Smith, Steve Selva 1970-8-8 4559 Siskiyou Juanita Lake Comment
  SJSU6513  Melica aristata R. W. Trivelpiece 1972-6-14 112 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  HSC76712  Melica bulbosa K. T. Stillman 1976-7-30 344 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  JEPS84002  Melica californica L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6437 Siskiyou 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  CDA32507  Melica californica F. D. Horn 1978-5-8 Siskiyou I-5 at Collier Rest Area, Hornbrook. 0 Comment
  CHSC61579  Melica fugax L. P. Janeway 1983-8-28 630 Siskiyou Siskiyou Mountains; at Poker Flat, western side of meadow. 1524 Comment
  CAS-BOT-BC282072  Melica fugax L. P. Janeway 1983-8-28 630 Siskiyou Siskiyou Mountains: at Poker Flat, W side of the lower part of the meadow 1524 Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  HSC42951  Melica subulata J. O. Sawyer, K. T. Stillman 1976-7-1 2777 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA715636  Melilotus indicus L. Ahart, John Dittes 2005-6-9 12011 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC1714375  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  CHSC71485  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1998-7-21 9323 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of the marsh. 1524 Comment
  UC454539  Mentzelia dispersa I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CDA34590  Mentzelia laevicaulis M. Beyers, G. F. Hrusa 2010-8-18 707 Siskiyou Highway 3; +/- 5 or 6 miles south of Callahan just N of where Pacific Crest Trail intersects hwy.. 1628 Comment
  CAS-BOT-BC428552  Micranthes aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC99694  Micranthes ferruginea L. P. Janeway 2008-7-24 9472 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  CAS-BOT-BC429001  Micranthes fragosa Grace Wood 1919-4-1 s.n. Siskiyou Yreka Comment
  SEINET6167436  Micranthes oregana G. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills. 1524 Comment
  LA208999  Micranthes tolmiei Wm. Bridge Cooke; 1939-7-13 Siskiyou Mount Shasta, N side of Red Butte 2499 Comment
  CAS-BOT-BC348421  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  HSC67936  Micropus californicus var. californicus J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC349105  Microseris douglasii subsp. tenella Katharine Brandegee No date on label s.n. Siskiyou Sissons Comment
  CAS-BOT-BC322666  Microseris laciniata Geo. D. Butler 1909-6-13 957 Siskiyou Oro Fino Comment
  HSC78192  Mimulus breweri L. P. Janeway 1983-7-10 406 Siskiyou Poker Flat 1524 Comment
  UC164368  Mimulus breweri Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake Shackleford Creek 1371 Comment
  JEPS10466  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  UC618713  Mimulus guttatus W. Bridge Cooke 1938-8-5 11444 Siskiyou MacBride Springs Mount Shasta Comment
  JEPS77506  Mimulus layneae L. R. Heckard with R. Bacigalupi, T. I. Chuang 1978-7-18 4874 Siskiyou 17 mi e Montague (Ball Mt. Road, n of Goosenest Mt.) 1432 Comment
  UC1374813  Mimulus layneae Noel H. Holmgren, Liew Fah Seong 1969-6-25 3617 Siskiyou 23 mi e McCloud (Calif. 89, 1.3 mi from Shasta County line) Comment
  RSA535564  Mimulus layneae David M. Thompson 1929-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  UC445194  Mimulus layneae Milo S. Baker 1899-7-8 Siskiyou Lava Beds Fall River Valley Comment
  UC1586883  Mimulus moniliformis Juha Pykala and D. H. Norris 1987-6-26 2107 Siskiyou 0-3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Comment
  RSA105439  Mimulus moschatus Milo S. Baker, H. K. Wagnon 1955-07 77 Siskiyou 4.5 mi south of Etna on Westside Rd. to Callahan, at French Cr. bridge. 854 Comment
  JEPS83034  Mimulus nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n of Mount Shasta (along U.S. Highway 97, 0.2 mi n of Yreka Road junction); U.S. Highway 97 Comment
  RSA535617  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1300 Comment
  UC796454  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11851 Siskiyou 1.5 mi below summit Gazelle Mountain Grade (e side of grade) 1417 Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  HSC72399  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-17 4469 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC1229783  Mimulus pulsiferae Francia Chisaki and Gene B. Newcomb 1958-6-21 1150 Siskiyou n McCloud (on road to Ice Caves); Squaw Valley Creek 1158 Comment
  HSC77097  Mimulus tilingii K. T. Stillman 1976-8-7 366 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  LA209441  Mimulus tilingii W. B. C.; 1939-8-8 13814 Siskiyou Mount Shasta, Springs above Horse Camp along the summit trail 2514 Comment
  UC1076039  Minuartia douglasii Herbert L. Mason 1947-5-17 14758 Siskiyou Scott Mt. Rd 5 mi s Callahan Comment
  POM101544  Minuartia pusilla Geo. D. Butler 1232 Siskiyou Quartz Valley. Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  JEPS105031  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  RSA661226  Mirabilis greenei Rachel Levin 1998-5-25 98- 4 -A/B Siskiyou On Copco Road, 2.4-5 miles from jct. with I-5, head east towards the Copco Dam, plants on left side of road. Comment
  UC1459328  Mirabilis greenei George E. Pilz 1973-5-25 993 Siskiyou 4 mi n Yreka (above Shasta River) 700 Comment
  HSC4893  Mitella diversifolia J. O. Sawyer 1968-6-19 251 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  HSC96407  Mitella pentandra Gordon Leppig, J. Kalt 1996-7-9 356 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC86538  Mitella pentandra D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta, Squaw Valley, E of Red Butte along Squaw Creek 1982 Comment
  SBBG6452  Monardella odoratissima H. and M. Dearing 1939-7-2 3798 Siskiyou Etna-Salmon divide 1828 Comment
  CAS-BOT-BC221813  Monardella odoratissima Laura M. Lathrop 1903-7-1 s.n. Siskiyou Sisson Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  UC1312964  Monardella odoratissima subsp. glauca J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC220367  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-1 796 Siskiyou Mt. Shasta Comment
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  HSC159  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-3 246 Siskiyou Big Flat, near public campground 1524 Comment
  LA54226  Monardella sheltonii Annetta M. Carter; 1934-8-12 695 Siskiyou N side of Klamath River near mouth of Walker Creek (E end of Seiad Valley) 426 Comment
  UC637109  Monardella siskiyouensis Annetta Carter 1934-8-12 695 Siskiyou near mouth Walker Creek (n side of river, n side of valley); Klamath River, Seiad Valley 426 Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  UC82764  Montia chamissoi Mrs. R. M. Austin Jun 1894 273 Siskiyou Pot Hole Spring Comment
  UC1101399  Montia fontana Herbert L. Mason 1948-7-18 13625 Siskiyou Grass Lake Comment
  UC852057  Montia fontana Louis C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains, Seiad, Klamath River Klamath River; Siskiyou Mountains, Seiad, Klamath River 426 Comment
  UC375331  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou near Yreka Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UCD86564  Muhlenbergia asperifolia R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  CAS-BOT-BC267042  Muhlenbergia filiformis Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs to McCloud Comment
  SD109607  Muhlenbergia jonesii John R. Reeder, Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartale, in forest openings 1219 Comment
  RSA611431  Myosotis discolor L. C. Wheeler 1935-6-27 3615 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC33997  Myosotis micrantha J. P. Smith 1974-5-25 7478 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA45344  Myosotis scorpioides Dorothy Parker 1946-7-14 s.n. Siskiyou Etna. 915 Comment
  RSA576952  Myosurus Louis C. Wheeler 1934-7-2 2840 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  SD122127  Myriopteris gracillima Robert T. Clausen, Harold Trapido 1940-7-26 4953 Siskiyou Canyon on Mud Creek, Mt. Shasta, southern Cascade Mountains 1584 Comment
  CHSC66541  Nama lobbii Vernon H. Oswald 1996-7-12 8001 Siskiyou Everitt Memorial Hwy.(A10) E of Mt. Shasta city between mileposts 6 and 7. 1798 Comment
  JEPS1364  Nama lobbii W. L. Jepson 1894-8-4 21002 Siskiyou half-way up Mt. Shasta from Sisson to Horse Camp; half-way up Mt. Shasta fr Sisson to Horse Camp 1828 Comment
  HSC58938  Narthecium californicum Marvin Butler 1971-7-28 219 Siskiyou Near El Capitan 1524 Comment
  CHSC63346  Navarretia capillaris Vernon H. Oswald; Lowell Ahart 1994-7-11 6399 Siskiyou Junction of Forest Rd. 26 (to Mt. Shasta) and Forest Rd. 40N45 (to Deadfall Lakes Trailhead), 1.0 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir. Roadside beside a pond. 1901 Comment
  UC1409296  Navarretia capillaris Frederick W. Oettinger and R. F. Thorne 1969-8-8 1306 Siskiyou drying meadow near English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, nr English Lak 1828 Comment
  JEPS25587  Navarretia divaricata Rimo Bacigalupi 1959-7-2 7219 Siskiyou near n base of Caribou Mtn. (Big Flat Campground, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River); Headwaters of South Fork of the Salmon River 1508 Comment
  RSA26220  Navarretia divaricata J. T. Howell 1937-7-27 13572 Siskiyou Salmon River near Big Flat 1524 Comment
  JEPS19746  Navarretia leucocephala subsp. minima Rimo Bacigalupi with S. Galen Smith 1957-6-27 5978 Siskiyou 4.0 mi sw Dorris (along U.S. Highway 97); Butte Valley 1280 Comment
  RSA600383  Navarretia sinistra L. C. Wheeler 1934-6-22 2771 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  CAS-BOT-BC219532  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  CAS-BOT-BC219529  Nemophila parviflora Clarence R. Quick 1959-6-19 59 -15 Siskiyou 6,7 [6.7?] miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC4780  Nemophila parviflora var. austiniae William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail 1982 Comment
  JEPS109401  Nepeta cataria Dean W. Taylor 2004-7-19 19183 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  CAS-BOT-BC123919  Nitrophila occidentalis Amos Arthur Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  CAS-BOT-BC60586  Noccaea fendleri subsp. glauca Doris K. Kildale 1929-8-24 8822 Siskiyou Preston Peak. Comment
  CAS-BOT-BC60589  Noccaea fendleri subsp. glauca Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CAS-BOT-BC60590  Noccaea fendleri subsp. glauca Ira L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, about 1.5 mile east of Scott Mountain road. 1737 Comment
  CDA9698  Nothochelone nemorosa D. G. Kelch 2007-7-25 7 .495 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  RSA183715  Nothochelone nemorosa Gilbert Muth 1965-7-30 139 Siskiyou Marble Mts. Marble Valley. At edge of forest. Comment
  UCD110191  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  UCD110223  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City. 1066 Comment
  JEPS84340  Nuphar lutea subsp. polysepala L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6400 Siskiyou ca. 5.5 mi. n. town of Seiad Valley (s.e. of Red Butte, Lily Pad Lake); Lily Pad Lake 1740 Comment
  UCR247344  Nymphaea Jodi Aceves 2008-7-7 PDR- 1413864 Siskiyou Montahue, 15438 Ager-Beswick Rd. Comment
  UC4246  Olsynium douglasii var. douglasii F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  RSA790724  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 miles west of Yreka Comment
  CDA7582  Onopordum tauricum T. C. Fuller, W. T. Parsons 1960-7-26 4878 Siskiyou F. Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  OBI5240  Onopordum tauricum W. T. Parsons & T. C. Fuller, T. C. Fuller 1960-7-26 4878 Siskiyou Around an old barnyard, F. Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca 15 mi SW of Dorris Comment
  CHSC91259  Opuntia fragilis Lowell Ahart; John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC68170  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-27 4504 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC1619965  Oreostemma alpigenum var. andersonii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9357 Siskiyou ca. 5 airmi. due w. Shasta City (Morgan Meadows on e. side of Mt. Eddy); Mt. Eddy, Morgan Meadows 1676 Comment
  JEPS79773  Orobanche corymbosa L. R. Heckard 1967-8-14 1728 Siskiyou 19 mi n Weed (just e of U.S. Hwy 97, 2 mi n of Deer Mt Lodge) Comment
  RSA0076584  Orobanche fasciculata Frederick W. Oettinger 1968-8-16 530 Siskiyou S-facing slope of Little Medicine Mountain near the open summit, due north of Hancock Lake. Comment
  UCD77891  Orobanche uniflora Robert E. Preston 2002-6-20 1849 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1968 Comment
  UC1299157  Orobanche uniflora subsp. occidentalis Freed W. Hoffman 1950-7-13 3767 Siskiyou Baldy Lookout, western Siskiyou County. Comment
  RSA0059263  Orobanche uniflora subsp. occidentalis George D. Butler 1909-4-4 730 Siskiyou Shasta Valley Comment
  HSC61868  Orogenia fusiformis Ruby Van Deventer 21 May [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS93913  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1998-8-3 9431 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC458091  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks 1645 Comment
  RSA0083197  Orthilia secunda William J. Ferlatte 1967-8-21 1072 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  CAS-BOT-BC6998  Orthocarpus copelandii var. copelandii Edwin Bingham Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC266618  Orthocarpus cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest foothills Comment
  HSC34302  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  HSC67708  Orthocarpus cuspidatus subsp. copelandii John Palmer 1980-7-24 608 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS74483  Orthocarpus cuspidatus subsp. copelandii W. J. Ferlatte 1966-8-2 238 Siskiyou Big Flat; Trinity Alps, Big Flat 1524 Comment
  JEPS84026  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  POM44322  Orthocarpus imbricatus Edward Palmer 1892-7-13 2435 Siskiyou Mt. Shasta and vicinity. Comment
  NY90856  Orthocarpus pachystachyus E. L. Greene 1876-1 s.n. Siskiyou Comment
  NY90857  Orthocarpus pachystachyus E. L. Greene 1876-5-26 s.n. Siskiyou Comment
  UC1190135  Osmorhiza berteroi Ira L. Wiggins 1955-7-21 13428 Siskiyou along ditch bank near Mt. View Ranch (7 mi above Cecilville); S Fork of Salmon River 975 Comment
  RSA237406  Osmorhiza berteroi Frederick W. Oettinger 1968-8-23 622 Siskiyou West of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC41810  Oxyria digyna Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  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
  SDSU9528  Ozomelis trifida D. F. Howe 1972-7-5 4875 Siskiyou 0.6 mile south of Oregon State line on road to Happy Camp. 1707 Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  CAS-BOT-BC28831  Paeonia brownii L. E. Smith 1913-5-23 270 Siskiyou Weed Comment
  HSC103015  Panicum acuminatum var. fasciculatum J. P. Smith 2014-6-6 13872 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CHSC71898  Panicum capillare Vernon H. Oswald; Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  HSC74834  Panicum capillare var. capillare J. P. Smith, J. O. Sawyer 1978-7-3 10003 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS95662  Papaver rhoeas Vernon H. Oswald and L. Ahart 1999-7-5 9793 Siskiyou Gazelle-Callahan Hwy. 0.5 mi west of Gazelle: T42N R6W Sect. 3, 2800 ft, agricultural area 853 Comment
  JEPS24797  Parnassia californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6806 Siskiyou at sw end of Castle Lake, headwaters of Sacramento River Sacramento River; Castle Lake, Sacramento River 1661 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  HSC41129  Paspalum distichum J. P. Smith, Steve Selva 1970-7-17 4432 Siskiyou Along Klamath River Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC202859  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  CAS-BOT-BC202862  Paxistima myrsinites Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  JEPS11901  Paxistima myrsinites Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4788 Siskiyou upper reaches of Indian Creek Canyon (1.8 mi. below summit of rd. and Del Norte-Siskiyou Co. line, along Happy Camp-Takilma rd.) 1371 Comment
  RSA237257  Paxistima myrsinites Frederick W. Oettinger 1969-8-7 1281 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA47641  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11753 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET5460350 Image available Paxistima myrsinites Ross C. Clark, Bob Harvey; Chris Harvey 23911 Siskiyou Understory under Calcedrus and Pinus ponderosa at Sacramento Springs City Park-. Comment
  JEPS128456  Pectiantia pentandra Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -057 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC266648  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  HSC29253  Pedicularis bracteosa var. flavida Frederick W. Oettinger, R. F. Thorne 1969-8-7 1269 Siskiyou Marble Mtn. Wilderness Area, SE of English Lake 2012 Comment
  UC1190282  Pedicularis contorta Ira L. Wiggins 1955-7-27 13517 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC204675  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Siskiyou Mts., Rogue River National Forest. Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage 1777 Comment
  UC922343  Pedicularis racemosa Annie M. Alexander and Louise Kellogg 1949-7-22 5848 Siskiyou above lake under Mount Hemlock (at Sky High Valley); Marble Mountains, Paradise Lake 1920 Comment
  POM147890  Pedicularis racemosa J. B. Feudge 1927-7-24 1760 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  UC711825  Pedicularis semibarbata Roxana S. Ferris and Laura Lorraine 1941-8-11 10504 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  UC195210  Penstemon Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  JEPS84305  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6364 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, e of Red Butte summit 579 Comment
  UC922585  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-8 5597 Siskiyou top of grade between Sawyers Bar and Etna; between Sawyers Bar and Etna Comment
  UCSB22041  Penstemon anguineus Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  CHSC71331  Penstemon cinereus Vernon H. Oswald 1998-6-11 9190 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CHSC30325  Penstemon cinicola M. S. Taylor 1980-8-18 3259 Siskiyou Pumice Stone Well, 0.5 mi n of Pumice Stone Mt. 1950 Comment
  HSC86542  Penstemon davidsonii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, slope of Red Butte 2134 Comment
  SBBG7135  Penstemon davidsonii H. and M. Dearing 1936-7-1 3775 Siskiyou Salmon Divide 1217 Comment
  RSA309614  Penstemon davidsonii Walter Wisura 1983-9-16 3937 Siskiyou 5.9 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  NY590189  Penstemon davidsonii var. davidsonii R. F. Thorne 1969-8-10 39005 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta 2377.4 Comment
  JEPS13733  Penstemon deustus B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt. (Salmon Mt.); , nw of Etna Mt. Comment
  RSA412528  Penstemon deustus M. B. Dunkle 1945-7-6 9207 Siskiyou Black Marble Mtn. Klamath National Forest. Marble Mtns. 2195 Comment
  CHSC110959  Penstemon deustus var. pedicellatus B. Castro; L. P. Janeway 2007-7-28 1664 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along old RR bed (USFS Road 44N53) 0.4 mi north of Cinder Butte. 1731 Comment
  UC796493  Penstemon deustus var. pedicellatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11728 Siskiyou French Creek Logging Road w Callahan; w of Callahan 1066 Comment
  RSA716056  Penstemon deustus var. suffrutescens L. Ahart 2005-6-9 12037 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 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
  SDSU10942  Penstemon filiformis D. F. Howe 1979-6-25 5197 Siskiyou 2 miles E of Soms Bar. Comment
  SBBG51817  Penstemon heterodoxus var. shastensis C. Bornstein 1996-6-29 Siskiyou Grass Lake Rest Stop 1531 Comment
  UCD124274  Penstemon heterodoxus var. shastensis Jack Major 1961-7-14 639 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  HSC74864  Penstemon heterophyllus subsp. heterophyllus J. P. Smith, Jennifer Whipple 1978-7-2 9984 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  SEINET11262162  Penstemon laetus subsp. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed.; 0 1158 Comment
  CHSC66548  Penstemon laetus var. sagittatus Vernon H. Oswald 1996-7-12 7995 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  NY604564  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  NY604574  Penstemon laetus var. sagittatus W. B. Cooke 1975-9-3 50481 Siskiyou Above Andesite Station in pine plantation, Mount Shasta Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  JEPS25168  Penstemon newberryi var. newberryi G. Thomas Robbins 1959-6-10 4040 Siskiyou about one mi n of highway summit on U.S. 99 between Mt. Shasta and Weed (on w side of Black Butte); w side of Black Butte, btw Mt. Shasta (town) and Weed 1188 Comment
  UCD77907  Penstemon newberryi var. newberryi Robert E. Preston 2001-6-23 1589 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS11201  Penstemon parvulus Geo. D. Butler 1908-8-3 433 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  JEPS6891  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  SEINET4677812  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou Dunsmuir quad; Shasta-Trinity National Forest; on ridge S of Castle Lake, above Hearts Lake.; 0 2017 Comment
  POM42967  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek. 1372 Comment
  RSA238767  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou west side of Red Hill near Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  CAS-BOT-BC94468  Penstemon procerus R. C. Wenk 2005-7-19 330 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  UC1212118  Penstemon roezlii F. Chisaki, G. Newcomb 1958-6-22 1160 Siskiyou between Ft. Jones and Gazelle (9.6 mi on road from Ft. Jones to Gazelle) 9.4 mi s from road to Duzel Rock; , btw Ft. Jones and Gazelle 1645 Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  CAS-BOT-BC6570  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  POM214029  Penstemon speciosus Isabelle C. Kimber 1934-6-9 1 Siskiyou Mt Shasta. 1220 Comment
  SEINET12267134  Penstemon speciosus H. M. Hall, Babcock, E. B. 4071 Siskiyou Mount Shasta, above Sisson 1067 Comment
  HSC4832  Perideridia gairdneri subsp. gairdneri J. O. Sawyer 1968-9-10 688 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UC1473446  Perideridia oregana Laura Witherspoon 1980-9-7 123 Siskiyou Oak Knoll Ranger District 975 Comment
  CAS-BOT-BC423356  Peritoma platycarpa L. E. Smith 1912-7-1 s.n. Siskiyou Montague Comment
  CAS-BOT-BC413739  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  CAS-BOT-BC330262  Petasites frigidus var. palmatus Alice Eastwood 1912-8-30 1953 Siskiyou Mount Eddy Comment
  JEPS76146  Phacelia dalesiana Susan Horner 1977-6-1 110 Siskiyou 4 mi ne Scott Mt. (trail from Robbers Meadows to Kangaroo Lake) Comment
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Jul 5 2017
  JEPS1962  Phacelia egena Geo. D. Butler 1909-5-2 736 Siskiyou near Yreka Comment
  JEPS109690  Phacelia greenei Dean W. Taylor 2002-6-10 18130 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek along Forest Road 40N40 1005 Comment
  UC1602156  Phacelia hastata subsp. compacta John Thomas Howell 1939-7-26 13767 Siskiyou along Summit Trail below Lake Helen; Mount Shasta Comment
  UC1034592  Phacelia heterophylla subsp. virgata Douglas Barbe 1955-7-1 70 Siskiyou 0.6 mi e Etna (s side of rd); Klamath Mountains 853 Comment
  CHSC48471  Phacelia linearis Vernon Oswald 1986-5-29 2075 Siskiyou Hwy 97 between Weed and Grass Lake, 9.8 mi ne of Weed. 1158 Comment
  CHSC70140  Phacelia mutabilis Jennifer Whipple 1977-7-22 2030 Siskiyou Mount Eddy, Klamath Mountains. Near Dobkins Lake. 2133 Comment
  HSC43865  Phacelia mutabilis Maralyn O'Meara 1974-5-25 374 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS25840  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7454 Siskiyou about 13 air mi nw Happy Camp (along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River, leading to Twin Valley) 1584 Comment
  RSA215618  Phacelia mutabilis Gilbert Muth 1969-8-7 1234 Siskiyou Boulder Peak Ridge. 2470 Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  HSC61878  Phacelia procera Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC29248  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou Salmon Mtns., cliffs SW of Upper English Lake 1829 Comment
  CHSC93535  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
  HSC36662  Philadelphus californicus Brent Whitely 1975-6-28 90 Siskiyou 915 Comment
  CAS-BOT-BC77410  Philadelphus lewisii Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC77436  Philadelphus lewisii John Thomas Howell 1937-7-26 13560 Siskiyou Between Big Flat and Caribou Gulch Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC165387  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek Comment
  UCD161470  Philadelphus lewisii H. P. Olmo 1931-6-8 s.n. Siskiyou Somes Bar; junction of Salmon and Klamath Rivers. Comment
  HSC58858  Phleum alpinum Marvin Butler 1971-7-19 284 Siskiyou Near Mary's Meadow, close to the town of Cave Junction. 1464 Comment
  UCSB22299  Phlox adsurgens Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  RSA171513  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  UC589664  Phlox austromontana Douglas Horn 1938-4-17 38 Siskiyou e of Etna 975 Comment
  HSC44930  Phlox diffusa J. O. Sawyer 1978-6-21 3278 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  POM65609  Phlox diffusa subsp. diffusa E. B. Copeland 1903-7-17 3511 Siskiyou Mt. Shasta 2317 Comment
  POM75054  Phlox hirsuta Geo D. Butler 1910-4-10 1165 Siskiyou Yreka. Comment
  HSC36889  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC30282  Phoradendron juniperinum William J. Ferlatte 1969-6-25 1184 Siskiyou Big Flat 1524 Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  HSC69509  Phyllodoce empetriformis John Palmer 1980-7-24 656 Siskiyou Dillon Divide 1707 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
  UCD116160  Physaria occidentalis subsp. occidentalis Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  CAS-BOT-BC140525  Physocarpus Alice Eastwood 1912-7-21 1273 Siskiyou Sisson Comment
  CAS-BOT-BC140597  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Klamath National Forest, Beaver Creek 975 Comment
  RSA451848  Physocarpus capitatus M. B. Dunkle 1944-7-16 9113 Siskiyou Beaver Creek Camp. Comment
  UC14119  Physocarpus capitatus W. H. Brewer 1862-9-7 1340 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  HSC43422  Picea breweriana Maralyn O'Meara 1974-5-25 389 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC496180  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou headwaters of Applegate River; Siskiyou Mountains, Fruit Mountain Comment
  UC667969  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou in a cold cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  UC971915  Picea breweriana Herbert L. Mason 1950-7-16 14061 Siskiyou Road from Happy Camp <California> to Waldo, Oregon Comment
  CAS-BOT-BC73437  Picea engelmannii Dorothy Parker 1962-9-19 s.n. Siskiyou Siskiyou Mountains - Horse Range Creek, Salmon Mountains. 1676 Comment
  UCD134307  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges. Sugar Creek, a tributary of the Scott River. 1432 Comment
  UCD134308  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Siskiyou County. 1524 Comment
  SBBG45487  Pinus albicaulis W. M. Plumb 1972-7-16 Siskiyou NE slope of Mt Eddy 2438 Comment
  NY34632  Pinus attenuata H. E. Brown 1897-7-15 511 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
  SBBG33719  Pinus balfouriana W. M. Plumb 1969-9-23 Siskiyou between Cory Pk and China Mtn 2133 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  HSC32594  Pinus lambertiana Steven Lagos 1974-5-26 88 Siskiyou Duck Lake Creek drainage, Bulk Collection # 62 1220 Comment
  RSA24087  Pinus lambertiana C. B. Wolf 1940-12-11 9796 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  RSA82766  Pinus lambertiana J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
  CAS-BOT-BC78963  Pinus monticola W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  JEPS96842  Piperia unalascensis Dean W. Taylor 1988-7-8 9933 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  JEPS80605  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou by waterfall; Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  UC725971  Plagiobothrys A. A. Heller 1929-5-4 14859 Siskiyou Yreka Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  UC726461  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's Prairie Comment
  UCD77290  Plagiobothrys hispidulus Robert E. Preston 2002-6-20 1847 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  JEPS69749  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  CHSC93543  Plagiobothrys tenellus Lowell Ahart; John Dittes 2005-6-10 12089 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC61842  Platanthera dilatata var. leucostachys Al Hobart 1967-1 Siskiyou Poker Flat 1585 Comment
  JEPS80567  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  POM107735  Platanthera leucostachys Geo D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  RSA126343  Platanthera leucostachys I. L. Wiggins 1955-7-21 13439 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  HSC21996  Platanthera sparsiflora J. O. Sawyer 1969-8-5 1784 Siskiyou Along Sugar Creek. 1921 Comment
  HSC68412  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1409 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC29094  Platanthera sparsiflora Frederick W. Oettinger 1969-7-29 1101 Siskiyou Marble Mountain Wilderness Area, High Lakes Basins, outlet of Uncle's Lake 1829 Comment
  JEPS26660  Plectritis congesta Lauramay T. Dempster 1961-7-1 1840 Siskiyou se of White Mountain (just s of Oregon Border) Comment
  HSC30213  Plectritis congesta subsp. brachystemon William J. Ferlatte 1968-6-8 1138 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  UCD92173  Poa A. A. Beetle; G. L. Stebbins 1942-6-1 3449 Siskiyou 25 miles north of Happy Camp. Comment
  RSA239045  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 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
  UCD90667  Poa bulbosa Morris Halperin 1930-7-11 310 a Siskiyou outskirts of Eureka. Comment
  SEINET10660678  Poa laevigata A. Arthur Heller 1905-6-19 Heller 8070 Siskiyou Grenada Station. Comment
  CDA18410  Poa pratensis G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges; 0.25 miles northeast of Oro Fino. 883 Comment
  CDA2359  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2771 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  HSC30578  Poa pratensis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1191 Siskiyou Trail from English Lake to Abbotts. Comment
  HSC58891  Poa pratensis Marvin Butler 1971-7-21 193 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  RSA238410  Poa pratensis Frederick W. Oettinger 1969-8-5 1191 Siskiyou English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM112569  Poa rhizomata Geo D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  SEINET10869056  Poa rhizomata George D. Butler 1910-4-21 Butler 1205 Siskiyou 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
  SEINET8078289 Image available Poa secunda Louis C. Wheeler 1934-1 3076 Siskiyou Siskiyou Mts., Head Jaynes Canyon. 1920 Comment
  UCD90327  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3404 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  SEINET10522722  Poa secunda Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2833 Siskiyou 3 mi N of Weed, on US Hwy 97; S-facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata, and Purshia. 1128 Comment
  UC1540255  Poa secunda subsp. juncifolia Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9060 Siskiyou Tom Young Flat; McCloud River drainage 1280 Comment
  CAS-BOT-BC243221  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11888 Siskiyou Scott Mountain Road S of Callahan Comment
  HSC30664  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1231 Siskiyou Marble Mtn. Wilderness Area, S of Pine Lake on the face of a steep cliff, between crevices. 1921 Comment
  UC196958  Poa secunda subsp. secunda Geo. D. Butler 1909-5-22 821 Siskiyou ditch bank near Yreka Yreka Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  SEINET7864991  Poa secunda var. secunda L. C. Wheeler 1935-5-4 3464 Siskiyou Greenhorn Creek, Siskiyou Mountains 853 Comment
  HSC30674  Poa wheeleri Frederick W. Oettinger 1969-8-25 1545 Siskiyou Along Tanner Peak Trail, 400 yards. down from English Peak Trail. 2012 Comment
  HSC39632  Poa wheeleri J. P. Smith, J. O. Sawyer 1972-6-30 5647 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UC1265392  Poa wheeleri Frederick W. Oettinger 1969-9-4 1666 Siskiyou s side of Tobacco Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1828 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  UCD118556  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  SEINET4244390 Image available Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou Paradise Lake, at base of King's Castle, east side of Marble Mountain Wilderness Area Comment
  UC107054 Image available Polemonium pulcherrimum subsp. pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  JEPS60240  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou on U.S. Highway 97 0.8 mi s Bray junction; Murphy Wells, s of Bray junction 1493 Comment
  UCD115149  Polyctenium fremontii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, southwest of Hebron summit. 1524 Comment
  CAS-BOT-BC170338  Polygala cornuta var. cornuta A. A. Heller 1921-7-22 13584 Siskiyou Spring Hill near the town of Mt. Shasta 1082 Comment
  CHSC63519  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  UC719803  Polygala cornuta var. cornuta Rogers McVaugh 1941-8-4 6232 Siskiyou rocky banks n Shasta Retreat; Sacramento R. Comment
  UC725828  Polygonum A. A. Heller 1925-7-25 13901 Siskiyou Shasta Valley near Edgewood; Shasta Valley Comment
  UC164404  Polygonum amphibium var. emersum Geo. D. Butler 1908-7-16 193 Siskiyou Klamath River Comment
  UC642558  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Springs Mount Shasta (meadow) Comment
  CAS-BOT-BC414276  Polygonum aviculare subsp. depressum R. E. Frenkel 1963-7-15 246 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing, near Mount Shasta 1176 Comment
  UCD99839  Polygonum aviculare subsp. neglectum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UCD77938  Polygonum californicum Robert E. Preston 2002-6-22 1883 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  UC1331765  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou ne corner of Siskiyou Ave. and Interstate 5 freeway (n limits of Dunsmuir); Dunsmuir Comment
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May 24 2006
  JEPS82457  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou flat above Marble Valley (Marble Gap trail); Marble Mt. Wilderness Area 1828 Comment
  RSA237753  Polygonum davisiae Frederick W. Oettinger 1967-8-23 319 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA237769  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  SEINET3405779 Image available Polygonum douglasii Rimo Bacigalupi, Drs. Reino & Aloha Alava 1958-9-3 6898 Siskiyou Poker Flat, Siskiyou Mtns 1536 Comment
  CAS-BOT-BC414586  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  POM104495  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Summer Fallow Fish near Yreka Comment
  HSC2397  Polygonum minimum William J. Ferlatte 1966-8-18 417 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  UC1312939  Polygonum minimum J. M. Tucker and L. K. Mann 1963-8-17 3743 Siskiyou Marble Mountain Wilderness Area; along trail from Red Rock Valley to top of ridge to s 1859 Comment
  HSC30507  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Marble Mtn. Wilderness Area, NE side of creek bed, Tom Taylor Cabin 2043 Comment
  RSA237800  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Open site NE side of creek bed, Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CHSC88099  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 109 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC92955  Polygonum polygaloides subsp. kelloggii Jennifer Whipple 1976-7-9 1389 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC19293  Polygonum polygaloides subsp. kelloggii J. O. Sawyer 1969-6-18 1409 Siskiyou Head of S Russian Creek 1829 Comment
  UC61690  Polygonum shastense Geo. B. Grant Sept. 1902 5089 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UC917318  Polygonum shastense R. Tofsrud and J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows Mount Shasta (s slope of mt.) 2407 Comment
  HSC156  Polygonum spergulariiforme William J. Ferlatte 1966-8-3 249 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC421070  Polygonum spergulariiforme Doris K. Kildale 1928-7-25 5879 Siskiyou Klamath River near Hamburg 471 Comment
  CAS-BOT-BC421074  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  HSC17500  Polygonum spergulariiforme Geo. D. Butler 1908-8-29 189 Siskiyou Comment
  UCR129386  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mtns., 2 miles east of White Mtn., Mt. Diablo Meridian 1921 Comment
  HSC79148  Polystichum imbricans C. J. Thomas 1983-10-1 99 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UC1400748  Polystichum imbricans subsp. imbricans Alan R. Smith 1972-5-20 571 Siskiyou along rd. from Callahan to Somes Bar (between Cecilville and Forks of Salmon) Comment
  HSC29355  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou Due N of the English Lake Outlet 1784 Comment
  CAS-BOT-BC72379  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1981 Comment
  CAS-BOT-BC94536  Polystichum lemmonii R. C. Wenk 2006-7-23 527 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2118 Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  UC812042  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  CAS-BOT-BC72376  Polystichum lemmonii Geo. D. Butler 1908-8-5 238 Siskiyou below Cold Spring, West Fork of Woolly Creek Comment
  HSC79124  Polystichum lemmonii C. J. Thomas 1983-10-1 78 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  CAS-BOT-BC72403  Polystichum lonchitis G. L. Stebbins 1972-7-3 9007 Siskiyou Northwest side of Red Butte, west of Cook & Green Pass 1828 Comment
  HSC26110  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5681 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS100527  Polystichum lonchitis Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15859 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  UCR143038  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  UC1483403  Polystichum munitum John Palmer 1980-8-15 982 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Seiad Valley Quadrangle 1097 Comment
  CAS-BOT-BC72512  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  HSC79132  Polystichum scopulinum C. J. Thomas 1983-10-1 97 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  CAS-BOT-BC102400  Populus fremontii Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  SEINET8263372  Populus fremontii Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 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
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  UC1045306  Populus trichocarpa W. Bridge Cooke 1940-8-22 15455 Siskiyou lower valley of Mud Creek Mount Shasta; , lower valley of Mud Creek Comment
  RSA237466  Portulaca oleracea Frederick W. Oettinger 1969-8-25 1560 -b Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  POM172662  Potamogeton illinoensis Geo D. Butler 1910-8-21 1853 Siskiyou Shasta River. Comment
  CHSC106269  Potamogeton pusillus var. tenuissimus Lowell Ahart; John Dittes 2010-7-30 16963 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CDA26068  Potentilla anserina D. L. Janssen, F. D. Horn 1978-6-16 Siskiyou Just west of Bray. 0 Comment
  CHSC71325  Potentilla anserina subsp. anserina Vernon H. Oswald; Lowell Ahart 1998-6-11 9212 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  HSC29382  Potentilla breweri Frederick W. Oettinger 1969-7-13 1000 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  CAS-BOT-BC141968  Potentilla bruceae Gilbert J. Muth 1969-8-8 1280 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  UCD113827  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC34154  Potentilla flabellifolia J. O. Sawyer 1969-7-18 1391 Siskiyou Head of S Russian Creek 1829 Comment
  UC164066  Potentilla gracilis Geo. D. Butler 1908-6-28 288 Siskiyou Oro Fino Comment
  UC726471  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's Comment
  POM34598  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley. Comment
  RSA237845  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou Along trail midway between English Lake and drift fence. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA105464  Potentilla gracilis var. flabelliformis M. S. Baker 1955-6-26 13085 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  SEINET6637083  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  CHSC118455  Potentilla recta Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -027 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  UC711899  Potentilla rivalis Roxana S. Ferris and Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station Grass Lake Station (on U.S. Highway 97) 1554 Comment
  RSA211268  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UCSB24410  Prosartes hookeri Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  UCLA49270  Prunella vulgaris W. Bridge Cooke 1939-7-7 13600 Siskiyou along the road between Bear Springs and Wagon Camp Mount Shasta; , between Bear Springs and Wagon Camp Comment
  HSC44577  Prunella vulgaris subsp. lanceolata Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  CAS-BOT-BC158235  Prunus emarginata L. B. Kildale 1930-6-1 9790 Siskiyou Black Bear trail to Sawyers Bar Comment
  HSC61838  Prunus emarginata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA59511  Prunus emarginata E. K. Balls 1950-5-15 14701 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  SBBG25356  Prunus emarginata J. M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake, at base on E side of Kings Castle 1981 Comment
  CAS-BOT-BC158199  Prunus emarginata Paul F. Covel 1939-8-13 1652 Siskiyou Lava Beds Nat. Monument, Modoc-Siskiyou Co's Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  HSC29359  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou Marble Mtn. Wilderness Area, SE slope above English Lake 1890 Comment
  CAS-BOT-BC239818  Pseudoroegneria spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Beds National Monument Comment
  UCD91508  Pseudoroegneria spicata Beecher Crampton 1969-6-18 8461 Siskiyou 4 miles s.w. Yreka, State Hwy. 3. 975 Comment
  SEINET8233950  Pseudoroegneria spicata Unknown 2007-6-17 Siskiyou California Siskiyou County, Cottonwood Peak. 1516 Comment
  POM112087  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  CHSC93527  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UCD22432  Purshia tridentata Brian Vanden Heuvel 2003-4-10 194 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  UC618727  Purshia tridentata var. tridentata unknown 1938-6-24 11100 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  RSA1187  Purshia tridentata var. tridentata B. D. Stark 1929-7-25 1390 Siskiyou 2 miles N of Sawyers Camp. Klamath River. 152 Comment
  HSC60035  Pyracantha fortuneana M. A. Baker 1978-5-20 575 Siskiyou 3 km N of Somes Bar Comment
  HSC145  Pyrola aphylla William J. Ferlatte 1966-8-3 268 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC26566  Pyrola aphylla J. P. Smith, J. O. Sawyer 1972-8-20 5757 Siskiyou Slope of Mt. Hoffman 2134 Comment
  CAS-BOT-BC465507  Pyrola asarifolia L. E. Smith 1914-7-3 730 Siskiyou Sisson Comment
  HSC30459  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1969-8-14 1364 Siskiyou Marble Mtn. Wilderness Area, inlet to Upper English Lake 1768 Comment
  CAS-BOT-BC462799  Pyrola dentata Doris K. Kildale 1929-7-21 8749 Siskiyou Elk Lick, South Fork of Indian Creek 1524 Comment
  RSA0080478  Pyrola dentata R. F. Thorne 1969-8-2 63391 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  CHSC33838  Pyrola picta J. D. Prouty 1981-7-13 1232 Siskiyou The W slope of Lookout Point. 1615 Comment
  SEINET185058  Pyrola picta Unknown 1939-7-8 5301 Siskiyou Ca. 15 miles north of Happy Camp on Happy Camp-Takilma Hiway 914 Comment
  UC618902  Pyrola picta W. Bridge Cooke 1938-5-8 11454 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1828 Comment
  CAS-BOT-BC466128  Pyrola picta Alice Eastwood 1921-7-26 10859 Siskiyou Soda Creek Comment
  CAS-BOT-BC68642  Quercus chrysolepis H. A. Thomas; J. H. Thomas 1954-7-21 4408 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC68650  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  JEPS37854  Quercus chrysolepis Geo. D. Butler 1908-12-1 548 Siskiyou Kidder Creek Comment
  SFV5114  Quercus garryana B. C. Templeton 1957-6-21 s. n. Siskiyou North of Callahan Comment
  UC1311637  Quercus garryana Robert J. Rodin 1965-8-23 7159 Siskiyou just s Oregon border (Highway 99, in California) Comment
  CAS-BOT-BC62758  Quercus garryana var. breweri John Thomas Howell 1939-8-2 14918 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM267245  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles north of Happy Camp. Comment
  UCD46070  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 -1 Siskiyou 1.9 miles south of Gazelle (toward Edgewood). Comment
  UCD46169  Quercus garryana var. semota Frederick W. Oettinger 1968-8-18 574 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness area. 1920 Comment
  CAS-BOT-BC105471  Quercus kelloggii Marion Ownbey; Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge, Marble Mountain Comment
  UCD40420  Quercus kelloggii Rodney Gale Myatt 1971-9-22 1193 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. Comment
  CAS-BOT-BC104357  Quercus sadleriana D. E. Breedlove 1962-6-10 3289 Siskiyou on SW slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles NW of Happy Camp 1554 Comment
  CHSC83156  Quercus sadleriana G. J. Muth; J. M. Tucker 1972-8-9 1797 Siskiyou Near Cook and Green Pass. Ridge top. 1462 Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  HSC65556  Quercus sadleriana R. S. White 1977-6-20 87 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  HSC68333  Quercus sadleriana Maralyn A. Renner 1980-6-26 1237 Siskiyou SE edge of Flint Valley. 1390 Comment
  OBI14235  Quercus sadleriana Reino Alava, Aloha Alava, Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the jctn of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  POM256457  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. 1372 Comment
  UCD83688  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction of Red Rock Valley trail and Canyon Creek trail. 1341 Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  HSC19217  Quercus vacciniifolia J. O. Sawyer 1968-6-25 330 Siskiyou 1646 Comment
  HSC19223  Quercus vacciniifolia J. O. Sawyer 1968-6-18 247 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  OBI69127  Quercus vacciniifolia Dieter H. Wilken, E. Painter 2000-8-10 15856 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  POM106390  Quercus vacciniifolia Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain. Comment
  UC1045205  Quercus vacciniifolia unknown 1940-6-5 15044 Siskiyou along the Castle Lake Road Comment
  UCD47463  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  CHSC118654  Quercus vacciniifolia Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -022 Siskiyou Lower Parks Creek watershed, E Klamath Range. 42 N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 458666m N. 1478 Comment
  CAS-BOT-BC328127  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Near Mount Eddy ca. 0.25 mile north of Gumboot Lake along Gumboot Creek, Shasta-Trinity National Forest Comment
  UC444423 Image available Raillardella pringlei C. A. Pringle 1882-8-19 Siskiyou Headwaters of the Sacramento River. 2286 Comment
  HSC44976  Ranunculus alismifolius var. alismellus J. O. Sawyer 1978-6-20 3271 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UCD95823  Ranunculus alismifolius var. alismifolius Robert E. Preston 2001-6-23 1608 Siskiyou Klamath National Forest, north-facing slope of Rainbow Mountain. 1981 Comment
  CAS-BOT-BC379130  Ranunculus aquatilis var. diffusus Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  CHSC86638  Ranunculus californicus Jenny Marr 1993-7-1 21 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS60720  Ranunculus eschscholtzii Geo. D. Butler 349 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  UCSB24113  Ranunculus eschscholtzii Favero, R. 1968-3-24 Siskiyou 7 mi. east on Klamath River Rd. (Hwy. 96), 2 mi. up Lumgrey Creek Rd. 609 Comment
  CHSC1488  Ranunculus occidentalis var. dissectus V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  HSC33982  Ranunculus orthorhynchus var. orthorhynchus J. P. Smith 1974-5-25 7471 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  HSC19435D  Ranunculus uncinatus J. O. Sawyer 1969-7-11 855 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC56110  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC101842  Rhamnus ilicifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13179 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  RSA7704  Rhamnus ilicifolia Doris K. Kildale 1927-11-20 4161 Siskiyou Hornbrook. Comment
  SEINET12903708 Image available Rhamnus obtusissima E. B. Copeland 1903-1 3833 Siskiyou Sisson 1097 Comment
  RSA238023  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Mid way down the steep spillway from Diamond Lake to upper English Lake and along the spillway stream. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1921 Comment
  CAS-BOT-BC199742  Rhododendron occidentale var. paludosum Alice Eastwood 1923-5-29 11993 Siskiyou Shasta Springs Comment
  UC163674  Rhus trilobata Geo. D. Butler 1910-4-1 1151 Siskiyou near Yuka Comment
Read comments
Nov 25 2011
  CAS-BOT-BC438003  Ribes Doris K. Kildale 1928-8-19 6575 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC438009  Ribes W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC92535  Ribes binominatum John Thomas Howell 1937-7-25 13458 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC29424  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  HSC69495  Ribes cereum J. O. Sawyer, J. Cole 1980-7-19 3687 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  SFV10392  Ribes cereum M. L. Vincent 1967-6-29 720 Siskiyou On Mount Shasta. 2134 Comment
  UC54303  Ribes cereum H. M. Hall and E. B. Babcock July, 1903 4106 Siskiyou ne shoulder Mount Shasta; Sierra Nevada Mountains 1828 Comment
  CHSC69079  Ribes cereum var. cereum Vernon H. Oswald; Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  SEINET9321585  Ribes cereum var. cereum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  UC165267  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  CAS-BOT-BC173293  Ribes lacustre T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp 1066 Comment
  CAS-BOT-BC173299  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou Trail crossing China Creek, above S. Fork of Salmon River, south of Mountain View Ranch (7 miles aove Cecilville) 1301 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  CAS-BOT-BC173381  Ribes lobbii Milo S. Baker 1926-7-22 107 -'26 Siskiyou S. Fork Mt. - 5 miles from highway Comment
  CAS-BOT-BC212486  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road form Waldo to Happy Camp 1554 Comment
  HSC29419  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  SEINET3151815  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  UC144316  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  CAS-BOT-BC199997  Ribes roezlii var. cruentum Doris K. Kildale 1927-4-27 7495 Siskiyou Cecilville Comment
  HSC68479  Ribes roezlii var. cruentum Maralyn A. Renner 1980-6-8 815 Siskiyou Slopes N of Moffett Creek 945 Comment
  CAS-BOT-BC200008  Ribes roezlii var. cruentum William A. Dayton 1913-6-13 209 Siskiyou Shasta National Forest. E. Fk of Scott River range opposite China Mt. 1706 Comment
  CAS-BOT-BC144515  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-20 8693 Siskiyou trail fm Elk Lick to Raspberry Lake, upper Indian Creek 1828 Comment
  UCR101149  Ribes sanguineum var. sanguineum L. C. Wheeler 1959-7-19 7584 Siskiyou Saloman and Marble Mtns, Black Bear Creek, between Sawyers Bar and Cecilville 1372 Comment
  CAS-BOT-BC173905  Ribes velutinum Roxana S. Ferris; Laura Lorraine 1948-6-12 11839 Siskiyou Gazelle Mountain range, road between Callahan and Gazelle 1499 Comment
  UCR17261  Ribes velutinum Frank C. Vasek 1975-6-29 750629- 03 Siskiyou 4.3 mi SW of Gazelle Comment
  CAS-BOT-BC168803  Ribes viscosissimum W. R. Dudley 1899-8-22 s.n. Siskiyou On Craggy Peak near spring. Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC33927  Ribes viscosissimum J. O. Sawyer 1968-7-23 594 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC61943  Ribes viscosissimum Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC98320  Ribes viscosissimum G. L. Clifton 1979-7-1 6194 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA0020918  Ribes viscosissimum M. B. Dunkle 1944-7-18 9131 Siskiyou Siskiyou National Forest. 1890 Comment
  CHSC91367  Rigiopappus leptocladus Lowell Ahart; John Dittes 2005-6-10 12086 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
  UC375305  Rorippa nasturtium-aquaticum Geo. D. Butler 1908-6-23 1057 Siskiyou near Yreka; near Yreka Comment
  JEPS47279  Rosa Ruby Van Deventer 1938-7-31 270 Siskiyou Twin Valley 1219 Comment
  UC1871377  Rosa Barbara Ertter 2006-7-30 18748 Siskiyou Yreka Creek off Deer Creek Way at E edge of Yreka near Jct I-5 and Rt 3 762 Comment
  NY345434  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North Side, Mt. Shasta 1524 Comment
  UC467675  Rosa californica Annie M. Alexander and Louise Kellogg 1911-6-13 128 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC146765  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  SEINET3157438  Rosa gymnocarpa G. D. Butler 1910-8-7 1816 Siskiyou Humbry Mt. 1219 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-BC147071  Rosa pisocarpa Alice Eastwood 1912-7-17 1166 Siskiyou Sisson Comment
  UC1871378  Rosa pisocarpa subsp. ahartii Barbara Ertter 2006-7-30 18746 a Siskiyou Little Shasta Road at upper crossing of Little Shasta River, Cascade Range ca 20 air mi E of Yreka. 1463 Comment
  CAS-BOT-BC149738  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-15 1119 Siskiyou [Mc Cloud] McCloud Comment
  CAS-BOT-BC147140  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  UC1736458  Rubus lasiococcus Dean W. Taylor 1972-7-3 1651 Siskiyou Cook & Green Pass 1371 Comment
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May 5 2013
  RSA593951  Rubus lasiococcus Louis C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1433 Comment
  UCD77978  Rubus leucodermis Robert E. Preston 2001-6-30 1659 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC147312  Rubus parviflorus Wm. Bridge Cooke 1938-6-17 11049 Siskiyou Sisson Southern Trail Comment
  UC224268  Rubus parviflorus H. E. Brown June 1-10, 1897 312 Siskiyou near Sisson; near Sisson 1083 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
  RSA12505  Rudbeckia occidentalis C. B. Wolf 1934-7-4 5931 Siskiyou Ten miles from Horse Creek Bridge on Klamath River, Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains. 1220 Comment
  CAS-BOT-BC363209  Rudbeckia occidentalis William M. Hiesey 1947-8-23 554 Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 miles north of the Klamath River (10 miles N.W. of Gottville). Along streamcourse of Beaver Creek 701 Comment
  CDA8560  Rudbeckia occidentalis T. C. Fuller 1962-8-3 9508 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  HSC98390  Rumex acetosella J. O. Sawyer 1969-7-16 1143 Siskiyou W of Waterdog Lake 2073 Comment
  UC618782  Sagina saginoides W. Bridge Cooke 1938-7-1 11153 Siskiyou Wagon Camp - upper meadow Mt. Shasta; , Wagon Camp Comment
  RSA47791  Sagina saginoides Roxana S. Ferris, Laura Lorraine 1948-6-12 11745 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS13065  Salix boothii Joseph P. Tracy 1935-8-1 14395 Siskiyou extreme head of West Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers); betw Salmon and New Rivers, head of West Fork Knownothing Cr 1889 Comment
  RSA184759  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  UC164036  Salix exigua var. hindsiana Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek Comment
  RSA101634  Salix laevigata Thomas Howell 1889-4-14 1393 Siskiyou Hornbrook. Comment
  UC144310  Salix lasiandra subsp. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  UC1034618  Salix lasiandra var. lasiandra unknown 1955-6-28 6 Siskiyou 0.8 mi. n. of Callahan (in dredgings near Hjertagers' Mill) 975 Comment
  CAS-BOT-BC107078  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 843 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  SD998  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  UC482341  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  POM220466  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-22 476 Siskiyou Pit River at Gibson flag station. 125 km N of Red Bluff. 450 Comment
  CAS-BOT-BC124538  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-31 11025 Siskiyou Shasta Springs Comment
  UCR133524  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, c. 16 km. northwest of Shasta City, above Metcalf ranch house 1455 Comment
  CAS-BOT-BC125695  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC144197  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou near Sisson Sisson Comment
  CAS-BOT-BC126132  Salix scouleriana L. S. Smith 1931-6-7 15 Siskiyou Mt. Shasta 1066 Comment
  CDA21576  Salix scouleriana Marianne Cabot 2008-8-12 PDR# 1413931 Siskiyou Ft. Jones, 6711 Mill Creek Rd. 0 Comment
  HSC28682  Salix scouleriana Frederick W. Oettinger, R. F. Thorne 1969-8-8 1308 Siskiyou Marble Mtn. Wilderness Area, English Lake 1738 Comment
  LA208914  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-20 446 Siskiyou E side of Mount Eddy, ca 17 km NW of Shasta City; above stream in Wagon Creek Canyon; 1 km. up from Metcalf ranch house 539 Comment
  UC481710  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481716  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  SEINET12003644  Salix scouleriana H. P. Bracelin 1931-1 435 Siskiyou North base of Mount Eddy, about 10 km NW of Shasta City, east of Metcalf ranch house 80 Comment
  UC1034057  Salsola tragus W. Bridge Cooke 1941-9-5 16257 Siskiyou along the Memorial Hwy. Mt. Shasta Comment
  RSA31143  Salvia sonomensis A. A. Heller 1905-6-16 s.n. Siskiyou Near Sisson Comment
  POM210953  Sambucus microbotrys L. C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  POM208204  Sanguisorba annua Louis C. Wheeler 1934-6-22 2758 Siskiyou Cottonwood Creek. Siskiyou Mtns. 915 Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  OBI55094  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou East slope of Little Grayback Peak near summit 1737 Comment
  UC642521  Sanicula tuberosa W. Bridge Cooke 1939-6-23 13524 Siskiyou between Bear Springs and Wagon Camp (Mount Shasta); Mount Shasta 1676 Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  RSA576939  Saponaria officinalis L. C. Wheeler 1934-10-6 3308 Siskiyou Yreka Creek 1 mile S of Yreka. 823 Comment
  RSA210860  Sarcobatus vermiculatus James Henrickson, C. Tilforth 1969-9-3 39040 Siskiyou 2 mi W of Lower Kalmath National Wildlife refuge 1296 Comment
  CAS-BOT-BC466231  Sarcodes sanguinea Doris K. Kildale 1929-7-20 8644 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  RSA13890  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  UC1190119  Saxifraga bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  UC530059  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson Dairy; Siskiyou Mountains, Johnson Dairy 1706 Comment
  UC722383  Saxifraga ferruginea C. L. Hitchcock, J. S. Martin 1939-7-7 5287 Siskiyou Sanger Peak 1780 Comment
  JEPS25649  Saxifraga odontoloma Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7289 Siskiyou beside rill at Poker Flat 1536 Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  UC375361  Saxifraga oregana Geo. D. Butler 1909-6-22 898 Siskiyou Goosenest foothills Comment
  UC618602  Saxifraga tolmiei W. Bridge Cooke 1938-8-22 11556 Siskiyou w slope of Shastina (Mount Shasta); , Shastina 2895 Comment
  HSC2420  Saxifragopsis fragarioides William J. Ferlatte 1966-8-5 347 Siskiyou Caribou Mountain 2470 Comment
  RSA0101700  Sceptridium multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1278 Siskiyou On the east shore of English Lake. 1753 Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  UCD21464  Scirpus congdonii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1204 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
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  JEPS63970  Scirpus microcarpus Mrs. B. C. Goldsmith 1916-9-19 24 Siskiyou Sisson Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  RSA602832  Sclerochloa dura L. C. Wheeler 1935-7-13 3665 Siskiyou Ager. 793 Comment
  UC1174939  Scrophularia californica P. C. Everett and E. K. Balls 1959-10-23 23939 Siskiyou 4 mi sw Etna (on rd from Callaban to Somesbar); Salmon Mts 1676 Comment
  UC195216  Scutellaria antirrhinoides Annie M. Alexander and Louise Kellogg 1911-6-13 119 Siskiyou 6 mi nw of Callahan Comment
  HSC29313  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Marble Mtn. Wilderness Area, Wiregrass Meadow below English Lake 1677 Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  UC1951260  Scutellaria antirrhinoides Robert F. Thorne 1969-8-23 63351 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  JEPS62886  Scutellaria galericulata M. A. Howe August, 1894 Siskiyou Sisson Comment
  JEPS57135  Scutellaria nana L. R. Heckard 1967-7-5 1602 Siskiyou Bolam Mount Shasta (along logging road, n side of Mount Shasta) 1524 Comment
  UC164004  Scutellaria siphocampyloides Geo. D. Butler 1910-5-23 1401 Siskiyou near Yreka Comment
  CHSC88374  Secale cereale Jenny Marr 1993-7-1 180 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS100525  Sedum divergens Dean W. Taylor 1996-7-25 15869 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  CAS-BOT-BC494142  Sedum kiersteadiae Peter F. Zika; Julie Nelson 2012-6-21 25905 Siskiyou Ridge above South Fork Willow Creek, along FS Rd 42N19, 8 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest 1630 Comment
  UCSB22048  Sedum obtusatum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  HSC26116  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5683 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC59368  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-31 1085 Siskiyou Tickner Hole 2130 Comment
  CAS-BOT-BC64082  Sedum oregonense Annetta Carter 1939-8-21 1467 Siskiyou Slope about SE end of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. Comment
  RSA264940  Sedum oregonense Gilbert Muth 1975-7-31 5361 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  CAS-BOT-BC61464  Sedum oregonense Gilbert Muth 1966-1-1 698 Siskiyou Marble Mts. Comment
  RSA297042  Sedum oregonense John F. Emmel 1974-7-19 514 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  CAS-BOT-BC278102  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25642 Siskiyou Above Forest Service Road 1040, 0.7 road miles above & S of Applegate River bridge; 1 air mile W of Abney Butte, Siskiyou Mountains, Klamath Range (KR) 720 Comment
  JEPS121416  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains Comment
  UCR246359  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25643 Siskiyou Klamath Range (KR), above Forest Service Road 1055, 0.4 road miles above and S of junction with FS Road 1050; 2 air miles WSW of Stein Butte, Siskiyou Mountains 680 Comment
  CAS-BOT-BC59129  Sedum spathulifolium John Thomas Howell 1937-7-26 13565 Siskiyou Between Big Flat and Caribou Gulch. Comment
  RSA576443  Selaginella wallacei Louis Cutter Wheeler 1935-4-14 3419 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  CAS-BOT-BC363422  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  RSA0013325  Senecio aronicoides B. C. Templeton 1964-6-9 10066 -a Siskiyou Slope of Mt. Shasta Comment
  SJSU6480  Senecio integerrimus var. exaltatus R. W. Trivelpiece 1972-6-9 94 Siskiyou c. 4 mi E of Grass L. 1524 Comment
  UC91693  Senecio integerrimus var. major Harley P. Chandler June 1901 1606 Siskiyou near Marble Mountain 1981 Comment
  CAS-BOT-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC364419  Senecio triangularis K. T. Stillman 1976-9-9 472 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  CAS-BOT-BC364443  Senecio triangularis Doris K. Kildale 1928-8-19 6547 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC364449  Senecio triangularis H. A. Thomas; J. H. Thomas 1954-7-24 4501 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC243645  Setaria pumila Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  SEINET10918409  Shepherdia canadensis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 175 Siskiyou Shasta-Trinity National Forest. 5.4 mi. on NF Rd. 17, off US Hwy. 97. 1294 Comment
  SBBG27378  Sibbaldia procumbens L. C. Wheeler 1934-8-2 3018 Siskiyou Alex Hole, Alex Cyn 1889 Comment
  UC1299198  Sidalcea asprella subsp. nana Freed W. Hoffman 1950-7-11 3723 Siskiyou Cedar Camp road 42.5 mi n Klamath River (western Siskiyou County); n of Klamath River, Cedar Camp Road Comment
  JEPS83879  Sidalcea glaucescens Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mts. 1706 Comment
  UC1282015  Sidalcea glaucescens Louise Kellogg 1953-8-8 113 Siskiyou on road between Callahan and Trinity Center (Mule Creek, nw slope Scott Mountain, Klamath National Forest); Klamath National Forest, Scott Mountains, Mule Creek 1402 Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  RSA120756  Sidalcea oregana subsp. spicata S. S. Tillett 1956-7-9 674 Siskiyou In meadow on N. side of Scott Mtn. divide, headwaters of Mule Creek, Siskiyou-Trinity cos. line, ca 8 miles SE of Calahan 1616 Comment
  HSC4177  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Comment
  CAS-BOT-BC181186  Silene campanulata subsp. glandulosa Lillian Mott 1976-7-8 46 LM76 Siskiyou Copper butte ca. 1 1/2 miles east of Cook & Green Pass 1889 Comment
  UCD98560  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou in and around the O'neill campground near Seiad Valley. 487 Comment
  HSC19241  Silene grayi J. O. Sawyer 1969-7-18 1377 Siskiyou Ridge above S Russian Creek 1921 Comment
  HSC606  Silene grayi William J. Ferlatte 1967-7-26 753 Siskiyou Caribou Basin, N slope on Sawtooth Ridge 2287 Comment
  HSC4220  Silene lemmonii W. L. Jepson Jul 1894 Siskiyou Sisson (now the town called Mt. Shasta) Comment
  UC164386  Sisyrinchium bellum Geo. D. Butler 1909-6-22 885 Siskiyou Goosecrest Foothills Comment
  HSC78187  Sisyrinchium idahoense var. idahoense L. P. Janeway 1983-8-6 508 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  UC1034583  Smilacina racemosa Douglas Barbe 1955-7-4 91 Siskiyou 1000 ft from Parrot Creek (11 mi s of Etna, s bank of creek); North Fork of French Creek 975 Comment
  RSA0000534  Smilax jamesii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1193 Siskiyou Trail from English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA428795  Solanum umbelliferum Louis C. Wheeler 1934-7-3 428795 Siskiyou Head of Soda Creek. Sterling Mt. 1768 Comment
  RSA507765  Solidago canadensis J. C. Semple, S. Heard 1986-8-14 8460 Siskiyou Mt. Shasta City, behind grade school, on East Lake Street. Comment
  CAS-BOT-BC365570  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC365574  Solidago elongata Geo. D. Butler 1910-8-27 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365558  Solidago elongata Geo. D. Butler 1910-8-3 1858 Siskiyou Oro Fino Comment
  JEPS95389  Solidago multiradiata Vernon H. Oswald and L. Ahart 1994-8-1 6419 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  UCD136122  Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  CHSC27345  Sorbus scopulina T. B. Devine 1976-9-4 359 Siskiyou Castle Lake. Comment
  RSA184730  Sorbus scopulina Gilbert Muth 1966-7-8 363 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  RSA237833  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC390718  Spergularia rubra Doris K. Kildale 1928-7-4 5539 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  JEPS25814  Sphenosciadium capitellatum Geo. D. Butler 1908-8-10 460 Siskiyou Shackleford Creek 1371 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
  RSA105492  Spiraea densiflora var. splendens G. D. Barbe 1955-7-26 270 Siskiyou On northwest slope of Scott Mtn. near a dry ditch. 1829 Comment
  RSA68945  Spiraea densiflora var. splendens A. E. Culbertson 1943-7-8 13 Siskiyou E shore of Castle Lake, 5434'. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River. Within 10 air miles of its headwaters to the W. Comment
  HSC73  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  RSA463116  Spiraea douglasii S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  HSC100319  Spiraea splendens J. P. Smith, J. O. Sawyer 2011-7-21 13033 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  HSC68439  Spiraea splendens var. splendens Maralyn A. Renner 1980-7-4 1390 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC551  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  UC1124942  Stachys ajugoides var. rigida L. Whitney 1934-6-23 5 Siskiyou Tennant Dorris Quadrangle, Antelope Creek 1463 Comment
  UC884350  Stachys ajugoides var. rigida A. A. Heller 1915-8-26 12236 Siskiyou Mt. Eddy 1828 Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  HSC63581  Stachys rigida J. P. Smith, Steve Selva 1970-7-16 4405 Siskiyou Beaver Creek Campground. 823 Comment
  UCD77226  Stachys rigida subsp. rivularis Robert E. Preston 2002-7-12 1902 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  HSC78209  Stachys rigida var. rigida L. P. Janeway 1983-8-16 546 Siskiyou Poker Flat 1524 Comment
  RSA237782  Stellaria crispa Frederick W. Oettinger 1968-9-5 723 Siskiyou Campsite near stream, Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC4294  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  RSA22059  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  JEPS81795  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  JEPS87637  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  CAS-BOT-BC375667  Stephanomeria paniculata L. E. Smith 1915-8-1 s.n. Siskiyou Sisson Comment
  SEINET10603910  Stipa nelsonii Lawrence P. Janeway 1983-8-26 Janeway 606 Siskiyou Preston Peak quad (15'). At Poker Flat, a meadow in a fir forest. Mostly open, gravelly, dry ground on upper side of road on the North side of the meadow. 1524 Comment
  HSC30692  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-8-8 454 Siskiyou Marble Mtn. Widlerness Area, Crapo meadow near Tom Taylor Cabin. 2027 Comment
  HSC58564  Stipa occidentalis var. occidentalis G. L. Clifton, Griswold 1979-7-26 10129 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC70595  Streptanthus barbatus J. O. Sawyer, R. J. Cole 1981-7-2 4157 Siskiyou Near Scott Mtn. Campground 1585 Comment
  SEINET3149307  Streptanthus orbiculatus M. S. Baker 1898-8-1 495 Siskiyou Medicine Sake Mts. Comment
  CAS-BOT-BC87868  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou Black Butte, north of Mount Shasta City. 1005 Comment
  CAS-BOT-BC87872  Streptanthus tortuosus D. E. Breedlove 1962-6-11 3355 Siskiyou At base of Black Butte along U.S. Highway 99, 4 miles south of Weed. 1188 Comment
  JEPS54009  Streptanthus tortuosus Willis L. Jepson Jul 24 1894-Aug 10 1894 13406 Siskiyou beyond Sisson; Region of the Upper Sacramento, Upton Plateau Comment
  RSA237369  Streptanthus tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA12673  Streptanthus tortuosus C. B. Wolf 1934-7-6 6022 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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  UC725573  Streptanthus tortuosus var. orbiculatus A. A. Heller 1940-7-25 15769 Siskiyou along stony pathway above Horse Camp Lodge 2438 Comment
  HSC44708  Streptanthus tortuosus var. tortuosus J. O. Sawyer, E. Cope 1977-6-18 2922 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS82491  Streptanthus tortuosus var. tortuosus Gilbert Muth 1965-8-5 171 Siskiyou on trail to Black Mt.; Marble Mt. Wilderness Area 1889 Comment
  UC1409355  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  SEINET6884052  Streptopus amplexifolius M. K. Solecki, J. B. Taft 1986-9-13 2161 Siskiyou Near Canyon Creek between Big Rock Fork and Death Valley Creek. Elevation 4,600 feet; Marble Mountain Wilderness. 1402 Comment
  JEPS62164  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley camp Marble Valley 1676 Comment
  CAS-BOT-BC48105  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1045242  Swertia albicaulis var. albicaulis unknown 1940-6-27 15204 Siskiyou near the old Hotlum road; Mount Shasta Comment
  HSC18884  Symphoricarpos mollis J. O. Sawyer 1968-9-28 739 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC68385  Symphoricarpos mollis Maralyn A. Renner 1980-6-26 1203 Siskiyou N edge of Flint Valley 1390 Comment
  HSC5077  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Quartz Valley Comment
  OBI55494  Symphyotrichum bracteolatum David J. Keil, Kathleen Keil 1992-7-21 23551 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC99036  Symphyotrichum cusickii John Thomas Howell 1939-8-7 15134 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SBBG25841  Symphyotrichum foliaceum D. Myrick 1966-8-9 1509 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC77240  Symphyotrichum hendersonii L. P. Janeway 1983-8-28 640 Siskiyou Poker Flat 1529 Comment
  UC933469  Symphyotrichum hendersonii Annie M. Alexander 1948-9-9 5617 Siskiyou meadow at start of 2 mile trail to Taylor Lake from Cook & White Mine Taylor Lake; Siskyou Mountains 1584 Comment
  JEPS24798  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6807 Siskiyou near outlet of Castle Lake at its ne end Castle Lake, Sacramento River (headwaters of Sacramento River) 1661 Comment
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  UCD86125  Taeniatherum caput-medusae Beecher Crampton 1969-6-18 8462 Siskiyou Oro Fino. (ca. 4 miles w.s.w. of Fort Jones in direct line.) Comment
  RSA237669  Tauschia howellii Frederick W. Oettinger 1967-8-21 298 Siskiyou 20 yards south off the Tom Taylor Cabin- Pine Lake Trail, just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85236  Taxus brevifolia Elmer I. Applegate 1895-5-28 650 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson Comment
  CAS-BOT-BC85239  Taxus brevifolia Doris K. Kildale 1928-7-4 5475 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Mills Comment
  UC1037369  Taxus brevifolia Douglas Barbe 1955-7-9 158 Siskiyou s side Kangaroo Lake; Scott Mountains, Kangaroo Lake 1828 Comment
  UCD135158  Taxus brevifolia Roman Gankin; W. R. Hildreth 1967-10-27 1186 Siskiyou Near trail to Marble Mountain Wilderness Area (Yellowjacket Ridge) north of Sawyers Bar. 1402 Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  JEPS54069  Thelypodium brachycarpum W. L. Kleaver 1915-5-31 Siskiyou Yreka Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  POM273828  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley near the Klamath River Comment
  CAS-BOT-BC77713  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  CDA40204  Thermopsis robusta G. F. Hrusa, T. D. Wilfred 1998-7-5 14700 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Sheet 1 of 2 Comment
  CAS-BOT-BC66793  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Fields - Oro Fino. Comment
  RSA0039366  Thysanocarpus curvipes var. curvipes George D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  HSC18877  Tiarella trifoliata var. unifoliata J. O. Sawyer 1968-9-10 687 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC31129  Tiarella trifoliata var. unifoliata J. O. Sawyer 1971-8-19 2453 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 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
  CAS-BOT-BC447627  Tolmiea menziesii Dorothy Parker 1960-7-4 118 Siskiyou Moist granitic sand along stream. Salmon Mts. 1767 Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  JEPS31007  Tonella tenella D. E. Breedlove 1962-6-10 3283 Siskiyou 22.0 mi nw Happy Camp (on sw slope of Little Grayback Mountain, along Indian Creek Road from O'Brien to Happy Camp); Siskiyou Mountains, Little Grayback Mountain 1524 Comment
  CAS-BOT-BC169255  Toxicodendron diversilobum Alice Eastwood 1922-10-18 11529 Siskiyou Shasta Sprnigs Comment
  CAS-BOT-BC377098  Tragopogon dubius Alice Eastwood; John Thomas Howell 1936-6-13 2742 Siskiyou Weed Comment
  NY444545  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Comment
  UC220728  Trichostema oblongum Dr. Edward Palmer Jul 13-27 1892 2492 Siskiyou Mount Shasta and vicinity Comment
  JEPS65700  Trifolium albopurpureum var. dichotomum Geo. D. Butler 1909-5-13 710 Siskiyou near Yreka; Klamath Hills Comment
  HSC18995  Trifolium longipes J. O. Sawyer 1969-7-18 1416 Siskiyou Head of S Russian Creek 1829 Comment
  UC1607584  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou ca 4 air mi due w Mt. Shasta City (at end of FR 41N53 ca 1 mi n of Morgan Meadows); east side of Mt. Eddy; w center Comment
  JEPS125882  Trifolium longipes subsp. elmeri Dean W. Taylor 1996-7-26 15841 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  UC630851  Trifolium longipes var. hansenii A. A. Heller 1916-6-20 12402 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 1188 Comment
  CHSC985  Trifolium pratense K. Jaekel 1939-7-3 Siskiyou Black Butte Meadows. 1158 Comment
  HSC15160  Trifolium pratense Mrs. H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf Ranch, N side of Mt. Eddy 915 Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  RSA91574  Trifolium productum J. T. Howell 13402 Siskiyou Caribou Basin, Salmon-Trinity Alps 1982 Comment
  UCD78178  Trifolium retusum Robert E. Preston 2008-5-13 2630 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River 229 Comment
  CAS-BOT-BC133466  Trillium ovatum A. M. Vollmer; L. Beane 1951-6-2 62 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  HSC58942  Trillium ovatum Marvin Butler 1971-7-6 37 Siskiyou Near El Capitan 1 Comment
  HSC69029  Trillium ovatum Maralyn A. Renner 1980-7-28 2184 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC1483575  Trillium ovatum Maralyn A. Renner 1980-6-26 1180 Siskiyou n. edge Flint Valley; Klamath Nat'l Forest, Dillon Mt. Quad, Flint Valley 1389 Comment
  CHSC95075  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-4 8779 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summitt. 1728 Comment
  HSC60806  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  RSA234820  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 962 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1409312  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou along n.e. shore of Taylor fLake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble Comment
  CAS-BOT-BC200271  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  HSC41816  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC200455  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  UC1326232  Triteleia crocea var. modesta Theodore F. Niehaus 1966-6-20 711 Siskiyou n-facing slope above Castle Lake Comment
  CAS-BOT-BC522335  Triteleia hyacinthina Alice Eastwood 1923-5-27 11957 Siskiyou Shasta Springs Comment
  RSA68876  Triteleia hyacinthina A. E. Culbertson 1943-7-1 80 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 R. within 10 airmiles of its headwaters to the west. Comment
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  HSC29677  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou Marble Mtn. Wilderness Area, E of inlet To Upper English Lake, Bulk Collection 53 1829 Comment
  CAS-BOT-BC404215  Urtica dioica subsp. holosericea Alice Eastwood 1912-9-1 1771 Siskiyou Sisson Comment
  UCD121866  Utricularia minor Barry Rice 2007-7-7 BR 070701 Siskiyou Lower Cliff Lake. 1747 Comment
  CAS-BOT-BC199198  Vaccinium cespitosum Wm. Bridge Cooke 1940-7-5 15266 Siskiyou At Wagon Camp Comment
  CAS-BOT-BC228836  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1937 Siskiyou S Slope of Mount Shasta, Panther Meadows, along County Highway A10, ca. 1.6 km by road from the upper parking lot 2276 Comment
  HSC18867  Vaccinium cespitosum J. O. Sawyer 1968-6-25 288 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC65289  Vaccinium cespitosum Rich White 1978-7-3 219 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  CAS-BOT-BC199184  Vaccinium cespitosum W. R. Dudley 1901-8-13 s.n. Siskiyou Moraine of Jackson's Lake, Salmon Mts. Comment
  HSC73316  Vaccinium parvifolium Gail Newton 1980-6-20 496 Siskiyou Near Bald Mtn. 1097 Comment
  HSC31490  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou W end of Little Duck Lake Comment
  JEPS109750  Vaccinium scoparium Dean W. Taylor 2005-7-12 19387 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of Mt. Shasta summit) 1950 Comment
  UC412730  Vaccinium scoparium Annie M. Alexander and L. Kellogg 1911-6-24 185 Siskiyou Jackson Lake Comment
  UCD118070  Vaccinium scoparium Dean William Taylor 1972-7-3 1612 Siskiyou Near Little Duck Lake. 1981 Comment
  HSC44966  Vaccinium uliginosum J. O. Sawyer 1978-6-20 3275 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  SEINET208830 Image available Vahlodea atropurpurea J. M. Fleschner, R Pemble 1966-9-5 Siskiyou Along trail from Marble Mt. to Sky High Lake E of Marble Mt. Marble Mt. 1975 Comment
  UCD94426  Vahlodea atropurpurea Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  CAS-BOT-BC506662  Valeriana sitchensis subsp. sitchensis Dana York 2011-9-8 3080 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Along PCT ca 650 m SE of Paradise Lake 1950 Comment
  HSC76701  Valeriana sitchensis subsp. sitchensis K. T. Stillman 1976-8-7 212 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  UCR93345  Vancouveria hexandra Kathy Harper, D. Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  UC1409395  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC67537  Vancouveria planipetala J. P. Smith, Steve Selva 1970-6-14 3884 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC36208  Veratrum californicum var. californicum John Rehling 1975-8-11 104 Siskiyou S end of Little Duck Lake Comment
  JEPS62205  Veratrum californicum var. californicum W. L. Jepson 1914-8-13 5796 Siskiyou Sisson 1097 Comment
  JEPS24442  Veratrum insolitum Rimo Bacigalupi with L. Constance and L. R. Heckard 1960-7-21 7483 Siskiyou 14 mi e Cecilville (6 mi w of rd summit, along new rd from Cecilville to Callahan, watershed of e fork of the South Fork of the Salmon River, just above Six-mile Creek) 1371 Comment
  HSC86427  Veratrum viride D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  UC164070  Verbascum blattaria Geo. D. Butler 1908-6-24 1007 Siskiyou Yreka Comment
  RSA15799  Verbena lasiostachys var. lasiostachys Carl B. Wolf 1927-8-26 1047 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC72493  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4070 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  NY130749  Veronica copelandii E. B. Copeland 1903-8-18 3931 Siskiyou Mt. Eddy Comment
  UC138882 Image available Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy; ; Mt. Eddy, Siskiyou Co. Comment
  JEPS23294  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7283 Siskiyou Poker Flat 1536 Comment
  JEPS3850  Veronica serpyllifolia subsp. humifusa George D. Butler 1908-8-3 454 Siskiyou Log Lake, Shackelford Creek Log Lake; , Shackelford Creek 1524 Comment
  UC887611  Veronica wormskjoldii John Thomas Howell 1939-8-3 14959 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  JEPS66167  Vicia americana var. americana George D. Butler 1909-4-24 604 Siskiyou Greenhorn Mt. Comment
  JEPS94265  Vicia americana var. americana Vernon H. Oswald and Lowell Ahart 1998-6-11 9185 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big