Search Results — 2000 specimen records retrieved (1391 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)
Results for search: County=SISKIYOU; Source=All;   

Mapping Options:
BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)
Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.
Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78123  Abies X shastensis Doris K. Kildale 1928-7-2 5336 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  RSA759175  Abies X shastensis Doug Goldman 2004-11-7 2947 Siskiyou By a big parking lot along Forest Road A10 (Everett memorial Highway), on the southwest side of Mount Shasta, Shasta-Trinity National Forest. 2116 Comment
  RSA761839  Abies amabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63375 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA183693  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Near top of ridge, near four-corners, Marble Mountain. Comment
  UCD134142  Abies concolor Robert E. Preston 2001-6-30 1649 c Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  RSA0091811  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11330 Siskiyou Along road to castle Lake, ca. 7 mi. s.w. of Mt. Shasta. 2073 Comment
  UC60936  Abies magnifica var. shastensis Geo. B. Grant 1902-9-1 5124 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  RSA237365  Abies procera Frederick W. Oettinger 1968-9-10 811 Siskiyou Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SDSU1514  Abies procera D. F. Howe 1969-9-12 4675 Siskiyou West side of Little Grayback. 1524 Comment
  JEPS42737  Acer circinatum Willis L. Jepson 1894-8-9 13942 Siskiyou Shasta Sprs., Sacramento River Canyon Region of the Upper Sacramento, Sacramento River Canyon Comment
  UC1045288  Acer circinatum W. Bridge Cooke 1940-7-12 15309 Siskiyou in the Box Canyon near Mount Shasta City; near the Sacramento River 914 Comment
  HSC69575  Acer glabrum var. torreyi Maralyn A. Renner 1980-8-6 2259 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC635160  Acer macrophyllum Dorothy Tebbe 1929-7-18 7 Siskiyou Mount Eddy Comment
  CAS-BOT-BC336934  Acer negundo var. californicum W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta 1432 Comment
  CAS-BOT-BC336937  Acer negundo var. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  JEPS32000  Acer negundo var. californicum W. B. and V. G. Cooke with Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs (Mt. Shasta); , below McBride Springs Comment
  CAS-BOT-BC18869  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou Mount Shasta, on upper flats along the Mud Creek Canyon on its west side. 2895 Comment
  HSC58874  Achillea millefolium Marvin Butler 1971-7-19 155 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1220 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC18866  Achillea millefolium David D. Keck 1938-8-8 4877 Siskiyou Scott Mountain Divide, between Scott Mtn. and Craggy Peak. 1676 Comment
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout 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
  SEINET4438562 Image available Achillea pacifica A. A. Heller 1905-1 8067 Siskiyou Comment
  UC1483542  Achlys triphylla subsp. triphylla Maralyn A. Renner 1980-6-26 1184 Siskiyou Klamath National Forest, at n edge of Flint Valley Flint Valley; Klamath National Forest, Flint Valley 1389 Comment
Read comments Aug 4 2012
  CAS-BOT-BC210717  Achnatherum lemmonii Geo. D. Butler 1909-6-4 810 Siskiyou Near Yreka Comment
  JEPS450  Achnatherum lemmonii Geo. D. Butler 810 Siskiyou near <Y?>reka Comment
  SEINET7593402 Image available Achnatherum nevadense E. B. Copeland 1903-1 3896 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC216921  Achnatherum occidentale John Thomas Howell 1937-7-26 13523 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  CHSC83256  Achnatherum occidentale subsp. californicum L. P. Janeway 2002-7-13 7643 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  JEPS72980  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-30 20072 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  UCSB51222  Achnatherum occidentale subsp. pubescens Almanza, Ed 1976-7-12 Siskiyou Mt. Shasta ski lodge. 2316 Comment
  SEINET6700613 Image available Achyrachaena mollis G. D. Butler 1910-5-8 1312 Siskiyou Near Yreka Comment
  UCD103801  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12110 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CHSC86677  Acmispon denticulatus Jenny Marr 1993-7-1 60 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC398632  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou at State Teachers College near Shasta City (Sisson) 1074 Comment
  CAS-BOT-BC391536  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  CAS-BOT-BC412910  Aconogonon davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  UCSB27378  Aconogonon davisiae Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  HSC30406  Aconogonon phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  HSC61851  Actaea rubra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC68959  Adiantum aleuticum Lemmon 1881-7-1 s.n. Siskiyou Mt. Shasta 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-BC68956  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  HSC36730  Adiantum aleuticum Brent Whiteley 1975-7-1 113 Siskiyou 671 Comment
  UC1408850  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou ssw Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  CDA43425  Aegilops cylindrica Dustin Johnson 2015-5-29 PDR# 470 P06027675 Siskiyou Vicinity of Montague. 0 Comment
  RSA17696  Agastache parvifolia Elmer I. Applegate 1935-6-7 9406 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC29314  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou Marble Mtn. Wilderness Area, NNW of English Lake outlet 1806 Comment
  CHSC69062  Ageratina occidentalis Vernon Oswald; Lowell Ahart 1997-7-28 8776 Siskiyou Forest Route 49 (Power Hill Rd.) 1.5 mi north of 41N03 (to Porcupine Butte), 14.5 mi south of Medicine Lake. 1371 Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  RSA45346  Ageratina occidentalis Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek 1220 Comment
  RSA238746  Agoseris aurantiaca Frederick W. Oettinger 1967-7-26 193 Siskiyou Occasional on Crapo Peak ridge between the Saddle-trail and summit; hot dry site. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  UC75991  Agoseris aurantiaca var. aurantiaca Milo S. Baker 1897-8-1 144 Siskiyou Payne's Springs Payne's Springs Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC22781  Agoseris heterophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53425 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC45161  Agoseris retrorsa J. O. Sawyer, E. Cope 1977-6-19 2945 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  JEPS36301  Agoseris retrorsa W. L. Jepson Jul 17 1902-Jul 22 1902 2098 Siskiyou Devil's Backbone; Western Siskiyou, Devil's Backbone 1828 Comment
Read comments Jul 6 2010
  UC618847  Agoseris retrorsa W. Bridge Cooke 1938-6-17 11031 Siskiyou Southern Trail Sisson; Mount Shasta 1371 Comment
  POM33138  Agoseris retrorsa Geo. D. Butler 1910-5-15 1347 Siskiyou Greenhorn Mountain 1067 Comment
  CAS-BOT-BC139562  Agrostis gigantea David D. Keck 1938-8-7 4857 Siskiyou Scott mountain Lodge, 2 miles east of Callahan, on east Fork of Scott River at junction with Mill Creek. 1000 Comment
  JEPS84195  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  UC922324  Agrostis pallens Annie M. Alexander and Louise Kellogg 1949-7-20 5818 Siskiyou on hill n Paradise Lake; Marble Mountains 1920 Comment
  UCD53103  Agrostis pallens Beecher Crampton 1956-8-21 3827 Siskiyou 1/2 mile northeast of Gumboot Lake the headwater of the Sacramento River (south fork). 1767 Comment
  CHSC61555  Agrostis stolonifera L. P. Janeway 1983-8-26 598 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  CHSC118253  Agrostis stolonifera R. E. Brainerd 2014-7-6 2316 Siskiyou Klamath River Canyon; Randolf Collier Rest Area on Interstate 5; 10.7 road miles north of Yreka. UTM Zone 10 535546E 4633343N WGS84. 627 Comment
  HSC30451  Agrostis thurberiana Frederick W. Oettinger 1969-8-19 1457 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  UC1059002  Agrostis thurberiana Beecher Crampton 1956-8-22 3856 Siskiyou Panther Meadow, s slope of Mt. Shasta Mt. Shasta 2316 Comment
  HSC77086  Agrostis variabilis K. T. Stillman 1976-7-30 331 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 Comment
  JEPS47599  Allium falcifolium W. L. Jepson 1902-7-22 2096 Siskiyou Devil's Backbone, on border between Trinity amd Humboldt County Devil's Backbone 1828 Comment
  RSA367096  Allium falcifolium Christopher Davidson 1975-6-5 2663 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  JEPS96555  Allium siskiyouense Dean W. Taylor 1997-6-11 16042 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  UCD143201  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou 2nd camp Marble Mountain Wilderness Area. Comment
Read comments Mar 27 2015
  RSA237880  Allium validum Frederick W. Oettinger 1968-8-1 343 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD77317  Allotropa virgata Robert E. Preston 2001-6-23 1586 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mtn. 1920 Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  SEINET231470  Alnus incana subsp. tenuifolia E. P. Boyle 1946-8-9 45 Siskiyou W Carson Sorensen's 2134 Comment
  RSA452810  Alnus incana subsp. tenuifolia M. B. Dunkle 1944-8-25 9179 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  CAS-BOT-BC169644  Alnus rhombifolia W. R. Dudley 1899-8-8 s.n. Siskiyou near Big Spring - Sisson Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  RSA452797  Alnus rhombifolia E. E. Stanford 1930-6-15 1585 Siskiyou 1 mile north of Dunsmuir. Comment
  HSC68432  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-7-4 1447 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  RSA238552  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, near Base Camp along the trail between Diamond and Hancock Lakes. 2012 Comment
  RSA238558  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, along the s. shore of Charmaine Lake. 1921 Comment
  HSC26522  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCD55833  Alopecurus aequalis L. Whitney 1934-6-29 2234 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CAS-BOT-BC138101  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Klamath Forest. Cottonwood Creek. 838 Comment
  SEINET3155432  Amaranthus blitoides G. D. Butler 1910-8-5 1812 Siskiyou Yuka Comment
  HSC46170  Ambrosia artemisiifolia Jennifer Whipple 1978-8-22 2446 Siskiyou Scott Valley along the Island Road 793 Comment
  CAS-BOT-BC142915  Amelanchier Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains Comment
  HSC69199  Amelanchier alnifolia Maralyn A. Renner 1980-9-1 2676 Siskiyou Bear Mtn. 1936 Comment
  UC1409347  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou meadow s Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC909378  Amelanchier alnifolia var. pumila Ira L. Wiggins 1950-5-28 12366 Siskiyou ca 1.5 mi e Scott Mt. road (margins of Carmen Lake); Carmen Lake 1737 Comment
  HSC101744  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 2010-5-2 12805 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  HSC98  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS123584  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -352 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  CAS-BOT-BC136910  Amelanchier utahensis K. T. Stillman 1976-6-25 83 Siskiyou Marble Mountain Wilderness Area, on N side of Elk Valley 1798 Comment
  UC466781  Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-17 153 A Siskiyou Jackson Lake 1798 Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  HSC23641  Anaphalis margaritacea J. O. Sawyer 1969-8-4 1912 Siskiyou Above S Sugar Lake 2043 Comment
  HSC30495  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near Young's Cabin, Salmon Mts. Comment
  RSA240049  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near young's Cabin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA416596  Anaphalis margaritacea L. C. Wheeler 1934-8-14 3120 Siskiyou 1 mile W White Mt. 1921 Comment
  CAS-BOT-BC391754  Anemone Alice Eastwood 1912-8-30 1964 Siskiyou Mount Eddy Comment
  CHSC95106  Anemone deltoidea L. P. Janeway 2006-7-2 8735 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Shady flat bench above the creek. 1585 Comment
  UC853527  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou near Big Flat (South Fork Salmon River); South Fork Salmon River 1524 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-BC391809  Anemone deltoidea Annie M. Alexander; Louise Kellogg 1949-7-31 5905 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  SEINET12093238  Anemone deltoidea Unknown 1982-1 20592 Siskiyou Cook and Green Pass 1524 Comment
  CAS-BOT-BC391860  Anemone drummondii L. E. Smith 1915-4-13 s.n. Siskiyou Sisson Comment
  POM365636  Anemone multifida M. B. Dunkle 1945-1 9312 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  SBBG2109  Anemone occidentalis K. K. Muller 1954-6-24 649 Siskiyou summit Salmon Mtn Pass [Etna Summit], 10 mi NE of Idylwild [Idlewild Cmpgrd] 1798 Comment
Read comments Jan 28 2015
  SEINET3075626 Image available Anemone occidentalis M. B. Dunkle 1945-7-1 Siskiyou Marble Mountains, Klamath National Forest. Comment
  UC8931  Anemone occidentalis Harley P. Chandler June, 1901 1637 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 Comment
  HSC76904  Angelica arguta K. T. Stillman 1976-9-10 504 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UCD127195  Angelica tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou around 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  HSC67032  Anisocarpus madioides J. P. Smith, Steve Selva 1970-6-14 3881 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC59288  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  SBBG30512  Antennaria argentea D. Myrick 1968-6-25 2015 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  RSA416678  Antennaria argentea M. B. Dunkle 1944-7-7 9089 Siskiyou Deer Creek. 1768 Comment
  UC1114144  Antennaria dimorpha Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 237 Siskiyou 4.5 mi n of city limits on US Hwy 99 Yreka 914 Comment
  UC165968  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  CAS-BOT-BC58715  Antennaria geyeri A. A. Heller 1914-8-25 s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  JEPS94738  Antennaria geyeri Vernon H. Oswald and Lowell Ahart 1998-7-21 9312 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  HSC69160  Antennaria howellii Maralyn A. Renner 1980-8-4 2208 Siskiyou Flint Valley 1390 Comment
  JEPS125860  Antennaria racemosa Dean W. Taylor 1996-6-26 15748 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley Comment
  JEPS82437  Antennaria rosea Gilbert Muth 1966-7-25 451 Siskiyou Marble Mt. Lookout; Marble Mt. Wilderness Area, Marble Mt. Lookout 2097 Comment
  SFV5166  Antennaria rosea B. C. Templeton 1960-6-21 8550 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  SEINET11854066  Antennaria rosea H. P. Chandler 1901-1 1656 Siskiyou Marble Mountain 2438 Comment
  HSC21988  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-7 1085 Siskiyou Little Duck Lake 2881 Comment
  HSC29208  Antennaria umbrinella Frederick W. Oettinger 1968-8-5 402 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  CAS-BOT-BC102272  Anthemis cotula H. E. Brown 1897-6-15 s.n. Siskiyou North side Mt. Shasta 3048 Comment
  HSC100337  Apera interrupta J. P. Smith 2011-7-15 13306 Siskiyou Along the road to Bray, 0.8 mi. from its junction with Tennant Road 1419 Comment
  JEPS107371  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12007 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107483  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides 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
  JEPS49801  Apocynum androsaemifolium Geo. D. Butler 1908-8-9 77 Siskiyou Woolly Creek, Cold Spring 1676 Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  HSC27636  Apocynum androsaemifolium Carl W. Mize 1972-7-22 100 Siskiyou Forks of Salmon quad., along edge of large cut block. 1037 Comment
  OBI3454  Apocynum androsaemifolium John Applegarth 1971-7-10 s.n. Siskiyou At jctn of Beaver Crk and Grouse crk 914 Comment
  CAS-BOT-BC397939  Aquilegia formosa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  POM332443  Aquilegia formosa J. P. Smith, Steve Selva 1970-6-15 3975 Siskiyou 1 mile W of junction Calif. 3 and road 8 leading to Sugar Creek. 1159 Comment
  RSA123547  Aquilegia formosa G. D. Barbe 1955-7-6 133 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC69383  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-24 1954 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC58962  Aquilegia formosa var. truncata Gilbert Muth 1975-7-29 4090 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  HSC44591  Aquilegia formosa var. truncata Laura Witherspoon 1977-6-30 Siskiyou Dillon Camp 1494 Comment
  RSA10343  Aquilegia formosa var. truncata H. A. Barker 1926-05 574 Siskiyou [Unspecified] Comment
  RSA0125747  Arabis breweri L. R. Heckard, L. Constance, Robert Ornduff 1969-6-25 2319 Siskiyou Off Gilman Road, 15 miles from U.S. Hwy 99 on northern side of the McCloud River arm of Lake Shasta. 488 Comment
  HSC64660  Arabis holboellii var. retrofracta J. O. Sawyer 1977-7-6 3026 Siskiyou South of Little Duck Lake 2134 Comment
  HSC6537  Arabis holboellii var. retrofracta R. C. Wunner 1965-6-29 288 Siskiyou California Lava Beds National Monument; S. Tichner Rd., 1.5 mi. S from Mammoth Crater 1555 Comment
  HSC90626  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-22 2038 Siskiyou Ridgecrest between Dobkins Lake and Dale Creek drainage Comment
  CAS-BOT-BC16716  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region. Klamath River 4 miles east of Seiad. 457 Comment
  HSC92693  Arabis modesta D. L. Goforth 1980-6-27 651 Siskiyou Klamath River at McKinney Creek 537 Comment
  UC1483491  Arabis oregana Maralyn A. Renner 1980-6-22 897 Siskiyou slopes n Little Shasta River; Klamath National Forest, Copco Quad. 1371 Comment
  HSC29138  Arabis platysperma var. howellii Frederick W. Oettinger 1968-8-4 390 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  RSA60657  Arabis puberula I. L. Wiggins 1950-5-28 12376 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UC589673  Arabis subpinnatifida Douglas Horn 1938-4-17 28 Siskiyou hills e Etna 883 Comment
  HSC29176  Arabis suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill N of Hancock Lake 2058 Comment
  CAS-BOT-BC171031  Aralia californica Alice Eastwood 1923-7-1 1339 Siskiyou Cantara Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  UCD128227  Aralia californica J. P. Smith; Steve Selva 1970-6-14 3887 Siskiyou 1 miles east of Steinacher Creek Road on road to Forks of Salmon. Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  SEINET2471229  Arceuthobium abietinum R. L. Mathiasen 2008-9-16 2008 -31 Siskiyou Ca. 4.8 km E. of Etna Summit on road to Sawyers Bar 1630 Comment
  CAS-BOT-BC407727  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  UC1409472  Arceuthobium campylopodum Frederick W. Oettinger 1968-9-5 712 Siskiyou between Diamond and Hancock Lakes Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC1034036  Arceuthobium cyanocarpum WBC 1941-8-21 16212 Siskiyou nw side of Shastina Mount Shasta 2438 Comment
  CAS-BOT-BC45437  Arctostaphylos nevadensis W. R. Dudley 1899-8-24 s.n. Siskiyou Side of Craggy Peak. 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
  POM367358  Arctostaphylos nevadensis H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house. 1250 Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC46458  Arctostaphylos patula John Thomas Howell 1937-7-25 13472 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  HSC18974  Arctostaphylos patula G. L. Clifton, Griswold 1979-6-28 6151 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC7700  Arctostaphylos patula Unknown Siskiyou Lava Beds N.M. Island Butte on Black Lava Flow 1646 Comment
  HSC91294  Arctostaphylos patula Jennifer Whipple 1976-7-1 1223 Siskiyou Wagon Creek drainage on E face of Mount Eddy 2226 Comment
  JEPS38839  Arctostaphylos patula J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  JEPS38843  Arctostaphylos patula Willis L. Jepson July 1894 14720 Siskiyou near Sisson; Mt. Shasta Comment
  RSA211240  Arenaria congesta William J. Ferlatte 1966-6-23 121 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  RSA423693  Arenaria congesta M. B. Dunkle 1945-7-22 9238 Siskiyou Marble Mts., Klamath National Forest. Comment
  SEINET11943706  Arenaria rubella H. P. Chandler 1901-1 1673 Siskiyou Marble Mountain 2438 Comment
  RSA237421  Arnica amplexicaulis Frederick W. Oettinger 1968-9-4 698 Siskiyou On the SE side of Abbott's lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC22148  Arnica cordifolia J. O. Sawyer 1969-6-12 941 Siskiyou On trail to Duck Lakes 1890 Comment
  RSA50233  Arnica cordifolia E. K. Balls 1949-7-9 13942 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SEINET6774985 Image available Arnica cordifolia G. D. Butler 1910-4-21 1216 Siskiyou Dry hills Oro Fiero [illegible] Comment
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC166160  Arnica lanceolata subsp. prima Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  SEINET3098740 Image available Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 miles from cut-off at junction with Takilma-Happy Camp road. 1770 Comment
  UCD77355  Arnica longifolia Robert E. Preston 2001-8-26 1759 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1877 Comment
  UC1072716  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (above se shore) Klamath Mountains, Salmon Mountains 1950 Comment
  UC76022  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou sw of Lake Medicine Comment
  HSC29297  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; NE-facing slope NW above Upper English Lake 2012 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
  CHSC65616  Arnica viscosa Maria Ulloa-Cruz 1994-8-3 51 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. 2000 Comment
  HSC66241  Arnica viscosa Maralyn A. Renner 1980-9-1 2697 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS32671  Arnica viscosa Paul C. Hutchison 1962-8-2 938 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta 2895 Comment
  UCD129149  Arnica viscosa Dean Wm. Taylor 1975-8-14 5454 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  SD76162  Artemisia douglasiana Helen V. Witham 1969-10-7 578 Siskiyou Scott River, at bridge to Indian Scotty Campground. 700 Comment
  CAS-BOT-BC499176  Artemisia douglasiana Doris K. Kildale 1928-7-25 5904 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  HSC30276  Artemisia douglasiana William J. Ferlatte 1971-9-18 1371 Siskiyou Big Flat, near public campground 1524 Comment
  UC166156  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Yreka Flat Comment
  UC710446  Artemisia ludoviciana subsp. incompta John Thomas Howell 15146 Siskiyou Marble Mts., Black Mt. Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  UC1043534  Aruncus dioicus var. pubescens P. C. Everett and E. K. Balls 1954-10-13 20280 Siskiyou road to Kangaroo Mt. (6.5 mi ne of Hwy 96, Seiad Creek); Seiad Creek 701 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SEINET6652464  Asarum hartwegii W. Roderick 1967-7-28 s.n. Siskiyou road to Mt. Shasta ski area 1676 Comment
  SEINET10580347  Asclepias cordifolia George D. Butler 1910-6-7 Butler 1531 Siskiyou Greenhorn Mountain Comment
  JEPS94835  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  HSC65054  Asclepias speciosa J. P. Smith, Steve Selva 1970-6-16 4085 Siskiyou W of Sawyers Bar Comment
  SD104893  Asclepias speciosa Darley Howe 1979-6-26 5112 Siskiyou 1/4 mile south of Ca. Highway 3 on Little Shasta Road, Yreka. Comment
  UCD121381  Asclepias speciosa J. P. Smith; Steve Selva 1970-7-15 4362 Siskiyou Baldy Mountain Lookout Station. 1722 Comment
  UC371157  Aspidotis densa G. D. Butler 1908-8-4 239 Siskiyou head of Shackleford Creek 1676 Comment
  RSA686372  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountain 1433 Comment
  POM41384  Aster radulinus Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  JEPS116601  Astragalus californicus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -14 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  CDA26648  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
  CAS-BOT-BC186741  Astragalus gambelianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53573 Siskiyou Yreka 822 Comment
  CDA26673  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2597 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  HSC43830  Astragalus lentiginosus var. lentiginosus Maralyn O'Meara 1974-5-27 485 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET7040265  Astragalus newberryi var. newberryi A. G. Vestal 1963-6-1 s.n. Siskiyou 3.6 miles northwest of Route 97 on road to Darnnell Reservoir. Southeast part of the Shasta Valley. Comment
  HSC76923  Astragalus purshii var. lectulus K. T. Stillman 1976-6-26 137 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  HSC46045  Astragalus purshii var. purshii Maralyn O'Meara 1974-5-25 432 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  RSA583142  Astragalus purshii var. purshii Louis C. Wheeler 1935-6-9 3564 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  UC164061  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou dry hills near Yreka; near Yreka Comment
  UC862793  Astragalus whitneyi Alice Eastwood 1912-8-30 2006 Siskiyou Mount Eddy Comment
  RSA582629  Astragalus whitneyi var. siskiyouensis Louis C. Wheeler 1934-8-24 3217 Siskiyou Trapper Creek. 1860 Comment
  HSC58853  Asyneuma prenanthoides Marvin Butler 1971-8-11 297 Siskiyou Near El Capitan Lake, close to the town of Cave Junction. 1585 Comment
  HSC27967  Asyneuma prenanthoides Carl W. Mize 1972-6-21 72 Siskiyou Past the first creek along trail. 305 Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  UC1190382  Athyrium distentifolium var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  HSC39745  Athysanus pusillus J. O. Sawyer 1970-4-4 2090 Siskiyou Along Sugar Creek 823 Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  RSA245302  Atriplex rosea J. P. Smith, J. Sawyer 1972-9-14 5796 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UC1191301  Atriplex triangularis Verne Grant and Irving Schneider 1947-8-25 8287 Siskiyou w side Tule Lake; w side Tule Lake Comment
  HSC68220  Balsamorhiza deltoidea J. P. Smith 1973-5-5 6511 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC106550  Balsamorhiza deltoidea Doris K. Kildale 1929-3-10 7773 Siskiyou Klamath River at Hornbrook 609 Comment
  CDA10481  Balsamorhiza deltoidea T. C. Fuller 1962-6-11 8961 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  HSC60836  Barbarea orthoceras Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCD95064  Berberis aquifolium var. aquifolium Jeff Kennedy 1994-4-24 2 Siskiyou Four-acre private parcel, 1.1 air miles W of the Ctrl. Mt. Shasta exit from Interstate 5; 0.5 air-mile W of Mt. Shasta State Fish Hatchery; S of W end of Melo Rd. (off of Old Stage Rd.); W of and adj. to Wagon Creek; E of ranch w/ lg. stock pond. 1042 Comment
  CAS-BOT-BC169492  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  CHSC91250  Betula occidentalis Lowell Ahart; John Dittes 2005-6-10 12072 Siskiyou On the north side of the Shasta River, near rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA233715  Betula occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed along road to Kangaroo Lake. Comment
  CAS-BOT-BC102125  Bidens cernua Verne Grant; Irving Schneider 1947-8-26 8295 Siskiyou Irrigation ditch west of Tule Lake Comment
  SD76151  Bidens vulgata Helen V. Witham 1969-10-7 570 Siskiyou Edge of Scott River, 10 miles west of Fot. Jones. 700 Comment
  HSC44736  Blepharipappus scaber Maralyn O'Meara 1974-5-25 440 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC68063  Blepharipappus scaber J. P. Smith, Steve Selva 1970-6-15 3982 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC166582  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  RSA52464  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  UC166051  Boechera breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  UCD77350  Boechera divaricarpa Robert E. Preston 2001-7-21 1703 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of se 1/4 Section 15 1859 Comment
  JEPS90245  Boechera paupercula Dean W. Taylor 1975-8-14 5356 Siskiyou between Shasta Ski Area and Green Butte (Mount Shasta); Mount Shasta 2590 Comment
  CAS-BOT-BC14536  Boechera puberula A. A. Heller 1920-7-9 13434 Siskiyou Long bare easterly slope of Mount Eddy. 2438 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
  UC1159805  Bolboschoenus maritimus Edward J. O'Neill 1965-9-18 Siskiyou Tulelake Fish and Game Wildlife Refuge Comment
  CAS-BOT-BC418464  Boykinia major John Thomas Howell 1937-7-25 13464 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  CAS-BOT-BC100469  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  UC1408932  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou due ene of, high lake basinns in the vicinity of English Peak Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  UCSB37839  Brickellia greenei Roos, John 1948-9-2 Siskiyou 5 miles S.W. of Yreka Comment
  CAS-BOT-BC144104  Bromus Gilbert Muth 1966-7-22 434 Siskiyou Marble Mountains. Meadow below Marble Rim. 2011 Comment
  SEINET10933496  Bromus berteroanus Louis C. Wheeler 1935-5-11 Wheeler 3486 Siskiyou Dry rocky brush south slope. Klemath River at Ash Creek. Siskiyou Mts. Comment
  SJSU11319  Bromus carinatus var. carinatus S. H. Casey 1981-7-4 1211 Siskiyou N side of Cook & Green Pass, Siskiyou Mts, Seiad Creek Road c. 9 mi N of Seiad Valley, northwestern Siskiyou County. 1463 Comment
  CAS-BOT-BC148792  Bromus carinatus var. marginatus Elmer I. Applegate 1935-6-10 9480 Siskiyou South slope of Caldwell Butte. Lava Beds National Monument. Comment
  HSC30547  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-8-18 1424 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1822 Comment
  UCD59161  Bromus carinatus var. marginatus T. C. Fuller 1958-6-19 1801 Siskiyou Tom Williams property. 4 miles northeast of Montague. Comment
  RSA582096  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  CAS-BOT-BC155982  Bromus diandrus R. E. Frenkel 1963-7-15 240 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River Railroad crossing near Mount Shasta. 1290 Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  CHSC88408  Bromus japonicus Jenny Marr 1993-7-1 167 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA603018  Bromus japonicus L. C. Wheeler 1935-7-13 3661 Siskiyou Ager Comment
  CAS-BOT-BC185093  Bromus pumpellianus A. A. Heller 1905-6-1 7935 Siskiyou Along the Sacramento River near Shasta Retreat. Between Upper Soda Spring and Shasta Retreat. 3048 Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  UC1131302  Bromus tectorum M. H. Mitchell 1936-5-14 21 Siskiyou Modoc Lava Beds National Monument, Canby Cross Canby Cross; Modoc Lava Beds National Monument, Canby Cross 1249 Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  HSC101479  Bromus vulgaris J. P. Smith, J. O. Sawyer 2011-7-21 13038 Siskiyou Near Dillon Camp 1358 Comment
  CAS-BOT-BC273225  Cacaliopsis nardosmia Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Along ridge road to Deadwood Lookout, mountains west of Yreka Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  CHSC96430  Calliscirpus criniger Gordon Leppig 1997-7-25 586 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC39918  Callitropsis nootkatensis J. O. Sawyer 1970-7-15 2350 Siskiyou Above Bear Lake 1585 Comment
Read comments Jun 9 2017
  CAS-BOT-BC85750  Calocedrus decurrens Peter H. Raven 1956-9-5 10467 Siskiyou North Fork of Sacramento River 1584 Comment
  CAS-BOT-BC85774  Calocedrus decurrens David D. Keck 1949-7-20 6371 Siskiyou 3 miles N.E. of Ft. Jones on westerly slope of mountians. Comment
  HSC33963  Calocedrus decurrens J. P. Smith 1974-5-25 7431 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  JEPS39851  Calocedrus decurrens W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  RSA47796  Calochortus coeruleus Roxana S. Ferris, Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UCD139508  Calochortus elegans John M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3712 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  SEINET8214322  Calochortus longebarbatus Unknown 1989-9-3 587 Siskiyou Tom Young Flat; ca. 2 mi. nw of Pondosa. 1292 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
Read comments Apr 18 2012
  UCD139525  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou Center of the east edge of the large meadow at Wiley Ranch. Comment
Read comments Oct 9 2014
  UC1170099  Calochortus macrocarpus unknown 1956-7-16 30302 Siskiyou n side Mount Shasta (along U.S. Hwy 97, above hwy) 1219 Comment
  CAS-BOT-BC94452  Calochortus nudus R. C. Wenk 2005-7-18 304 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, along Highway 3, Scott Mountain Campground 1650 Comment
  CAS-BOT-BC181500  Caltha leptosepala Milo S. Baker 1926-8-21 293 b-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  JEPS24807  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  UC1971694  Calycadenia fremontii 1978-8-21 2159 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Road (=GDC 783) 194 Comment
  LA203133  Calycadenia truncata Louis C. Wheeler; 1934-6-26 2787 Siskiyou Siskiyou Mountains, Camp Lowe, Klamath River 761 Comment
  POM208289  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts 762 Comment
  UC635369  Calyptridium monospermum D. Tebbe 1929-6-7 154 Siskiyou Mount Eddy Comment
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  HSC66108  Calystegia occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-6-15 3930 Siskiyou Between Forks of Salmon and Cecilville. Comment
  RSA699533  Camassia quamash subsp. breviflora Jenny Marr 1993-07 137 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CHSC88123  Camelina microcarpa Jenny Marr 1993-7-1 133 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC37002  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou Along the Pacific Highway near Black Butte. 1219 Comment
  RSA8246  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3881 Siskiyou West end of Medicine Lake Comment
  RSA264954  Campanula prenanthoides G. L. Clifton 1975-8-1 5048 Siskiyou Roadside. Near Cook and Green Pass; near Seiad Valley. 1463 Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  UC29009  Campanula prenanthoides Edward L. Greene 1876-7-21 958 Siskiyou near Yreka Comment
  SEINET10463031  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou RIDGE W OF CHINE CR, S SIDE OF S FORK SALMON RIVER IN PARTIAL SHADE, 3150 Comment
  SEINET10463080  Campanula prenanthoides Ferlatte 1966-8-18 FERLATTE 420 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. T37N R9W Sec. 19 & 30 1524 Comment
  SEINET10463109  Campanula prenanthoides Kildale 1928-8-18 KILDALE 6466 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  SEINET10463165  Campanula prenanthoides White 1977-7-21 White 122 Siskiyou Preston Peak quadrangle; slope below outlet of Raspberry Lake. T17N R5E Sec. 22 1512 Comment
  SEINET10905892  Campanula prenanthoides Condit 1911-7-3 CONDIT s.n. Siskiyou SHASTA RETREAT, COMMON ALONG RR & ON MTN SIDES Comment
  SEINET10463371  Campanula scabrella Alice Eastwood 1912-8-30 Eastwood 2010 Siskiyou Mt. Eddy Comment
  UC334030  Campanula scouleri unknown Siskiyou near Shasta Comment
  UC1026172  Campanula scouleri Marion Ownbey and Ruth P. Ownbey 1938-7-19 1757 Siskiyou open woods near Deer Camp; Siskiyou Mountains Comment
  CHSC99588  Campanula shetleri L. P. Janeway 2008-7-22 9448 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  CAS-BOT-BC37233  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Comment
  JEPS25570  Cardamine bellidifolia var. pachyphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7195 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (southwestern slopes Mt. Shasta); , above Mt. Shasta Ski Bowl Lo 2834 Comment
  CAS-BOT-BC471258  Cardamine cordifolia Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley 1524 Comment
  JEPS53377  Cardamine nuttallii var. covilleana W. L. Jepson 1907-7-5 2844 Siskiyou Marble Mountain Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  RSA14334  Carex Elmer I. Applegate 1923-8-17 3836 Siskiyou Medicine Lake. Comment
  HSC35808  Carex abrupta J. O. Sawyer 1969-7-12 1346 Siskiyou Edge of Sugar Lake 1799 Comment
  POM211398  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  SEINET10343551  Carex angustata Philip E. Hyatt 2002-8-6 11142 Siskiyou Ft. Goff Recreation Area along Klamath River Comment
  CAS-BOT-BC17967  Carex angustata L. E. Smith 1914-5-12 691 Siskiyou Sisson. Comment
  HSC79089  Carex aquatilis var. dives L. P. Janeway 1983-8-16 552 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  UC195519  Carex athrostachya Geo. D. Butler 1909-6-22 854 Siskiyou Goosenest foothills Comment
  SEINET8258306  Carex aurea Elmer I. Applegate 1895-5-28 779 Siskiyou Sisson, Strawberry Valley, Siskiyou County Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC19650  Carex brainerdii Alice Eastwood 1923-5-18 11852 Siskiyou Shasta Springs. Comment
  CHSC70771  Carex brainerdii A. Francis 1996-7-17 3642 Siskiyou Medicine Lake Highlands, just E of 49 road, NE of Medicine Lake Glass Flow. 2225 Comment
  CAS-BOT-BC34156  Carex breweri Peter Kamb 1949-8-25 1497 Siskiyou Southwest slope of Mt. Shasta, above Horse Camp. 3169 Comment
  CAS-BOT-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 Comment
  UC673  Carex breweri W. H. Brewer 1862-9-13 1392 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  UC671  Carex breweri var. breweri W. H. Brewer Sep 1862 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  HSC73318  Carex concinnoides Gail Newton 1980-6-20 497 Siskiyou Near Bald Mtn. 1097 Comment
  HSC7059  Carex douglasii Robert C. Wunner 1965-8-21 462 Siskiyou Lava Beds National Monument, 1/4 mi. S of Caldwell Cinder Pit, near base of Caldwell Butte Comment
  CHSC88400  Carex dudleyi Jenny Marr 1993-7-1 159 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1265328  Carex echinata subsp. echinata Frederick W. Oettinger and R. F. Thorne 1969-8-7 1270 Siskiyou margin of English Lake Salmon Mts., Marble Mountain Wilderness Area, English Lake 1767 Comment
  UC1265344  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou midway on trail between Diamond Lake and Hancock Lake (at Base Camp); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC20753  Carex fracta David D. Keck 1938-8-7 4858 Siskiyou Scott Mountain Lodge, 2 mi. E of Callahan on E Fork of Scott River at junction with Mill Creek. 1000 Comment
  CAS-BOT-BC7599  Carex inops subsp. inops L. E. Smith 1913-4-29 s.n. Siskiyou McCloud 986 Comment
  UCD77463  Carex inops subsp. inops Robert E. Preston 1999-7-16 1226 Siskiyou McCloud River, at Fowler's Campground and along trail to Middle Falls. 999 Comment
  SEINET4292187 Image available Carex integra Unknown 2006-1 8775 Siskiyou Klamath Range. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  HSC29639  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  CAS-BOT-BC35522  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou In the Wagon Camp Sedge Swamp 1737 Comment
  HSC39255  Carex laeviculmis J. O. Sawyer 1968-7-10 511 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  SEINET7563585 Image available Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou From Tom's Upper Pond to Tom's Lower Pond. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area. 2012 Comment
  CAS-BOT-BC31308  Carex lenticularis var. impressa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC48041  Carex leptopoda D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  CAS-BOT-BC31837  Carex microptera John Thomas Howell 1937-7-22 13252 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC32006  Carex multicaulis Elmer Ivan Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley. Comment
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC195507  Carex multicaulis Geo. D. Butler 1910-5-5 1290 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC32009  Carex multicaulis L. S. Smith 1924-8-20 1512 Siskiyou Round Mt. below road near top. Modoc National Forest 1524 Comment
  SEINET7568458 Image available Carex multicaulis E. B. Copeland 1903-8-15 3780 Siskiyou Mt. Shasta. 2134 Comment
  RSA237226  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC96545  Carex nigricans Gordon Leppig 1998-8-14 1018 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS25578  Carex nigricans Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7205 Siskiyou Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  CAS-BOT-BC119466  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC119475  Carex nudata Doris K. Kildale 1929-7-20 8552 Siskiyou Trail up Smith Fork of Indian Creek near Happy Camp. 487 Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
Read comments Jan 23 2011
  SEINET7569408 Image available Carex nudata Frederick W. Oettinger 1968-9-5 709 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  CAS-BOT-BC119210  Carex pachystachya H. M. Hall; E. B. Babcock 1903-6-1 4063 Siskiyou Sisson, in the Transition Zone., Mt Shasta. 1066 Comment
  JEPS63701  Carex pellita W. L. Jepson 1914-8-13 5792 Siskiyou Sisson 1097 Comment
  LA17779  Carex phaeocephala J. W. Stacey; 1939-7-26 13756 Siskiyou Mount Shasta, along the Summit Trail in the vicinity of Lake Helen 3047 Comment
  LA17780  Carex phaeocephala L. Ellison; 1928-9-12 504 Siskiyou Mt. Shasta 3047 Comment
  UC195522  Carex praegracilis Geo. D. Butler 1910-4-19 1202 Siskiyou near Yreka Comment
  RSA577427  Carex praegracilis L. C. Wheeler 1935-6-30 3632 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SBBG125479  Carex praegracilis L. Ahart, J. Dittes 2010-7-30 16953 Siskiyou grassy meadow ca. 30 yards W of the Shasta River, ca. 50 yards W of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam 5.7 mi SE of Grenada 716 Comment
  CAS-BOT-BC118776  Carex preslii John Thomas Howell 1937-7-29 13674 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC118795  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek. 2438 Comment
  HSC68504  Carex rossii Maralyn A. Renner 1980-6-22 935 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  HSC39291  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC117260  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Sawtooth Ridge steep, north facing slope. 2286 Comment
  CDA33164  Carex stipata G. D. Barbe 1973-8-14 1699 Siskiyou Site of the proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  HSC39377  Carex straminiformis J. O. Sawyer 1969-8-5 1761 Siskiyou W of Little Duck Lake 2073 Comment
  HSC69165  Carex straminiformis Maralyn A. Renner 1980-7-24 2068 Siskiyou Lily Pad Lake 1768 Comment
  JEPS84179  Carex subfusca L. R. Heckard with J. Hickman 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  CAS-BOT-BC115842  Carex subfusca W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  RSA238971  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC86443  Carex vernacula D. K. Imper Jun 1987 Siskiyou 8 mi. E of Mt. Shasta town, Mt. Shasta Wilderness, along Squaw Creek 2134 Comment
  JEPS25938  Carex vesicaria B. C. Goldsmith 1916-9-29 27 Siskiyou shore, Medicine Lake Medicine Lake 2072 Comment
  SEINET11998355  Cassiope mertensiana Unknown 1986-1 60402 Siskiyou SW of Cook & Green Pass, Kangaroo Mt 1920 Comment
  RSA195318  Cassiope mertensiana subsp. ciliolata Gilbert Muth 1967-8-19 725 Siskiyou Red Mountain, Marble Mountains. Comment
  UC1409390  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou near in let stream, Little Hancock Lake 2042 Comment
  CAS-BOT-BC248986  Castilleja David D. Keck 1938-8-8 4873 Siskiyou Siskiyou Co. at Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  HSC99979  Castilleja affinis subsp. affinis Thomas W. Nelson, & Sydney Carothers 2005-7-17 9387 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  HSC19031  Castilleja applegatei J. O. Sawyer 1969-7-3 1054 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC44723  Castilleja applegatei subsp. pinetorum J. O. Sawyer, Ed Cope 1977-6-18 2906 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS19690  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1957-6-26 5960 Siskiyou immediately s Mt. Eddy (at source of South Fork of the Sacramento River, along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon of the South Fork of the Sacramento River 1645 Comment
  JEPS25852  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7484 Siskiyou just below road summit of Cecilville-Callahan road (new at this time) (overlooking headwaters of South Fork of Scott River) 1880 Comment
  JEPS6837  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-21 4423 Siskiyou about 6 mi se Cecilville (w side of Rush Creek); Salmon-Trinity Mts. 1158 Comment
  RSA184818  Castilleja applegatei subsp. pinetorum Gilbert Muth 1966-7-17 386 Siskiyou Ridge, near lookout, Marble Mountains. 2043 Comment
  HSC91235  Castilleja arachnoidea Jennifer Whipple 1976-6-30 1207 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  SBBG40132  Castilleja hispida subsp. brevilobata C. B. Hardham 1961-6-30 8029 Siskiyou between Mud Springs and White Mtn 1828 Comment
  CAS-BOT-BC253617  Castilleja miniata Doris K. Kildale 1928-7-2 5389 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC254102  Castilleja miniata L. E. Detling 1950-6-9 6603 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  JEPS23291  Castilleja miniata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7260 Siskiyou Poker Flat 1536 Comment
  JEPS66425  Castilleja miniata L. R. Heckard and P. Rubtzoff 1971-8-1 2687 Siskiyou 4 mi below Mt. Eddys ridge summit (road from Stewarts Spring to The Eddys) 1584 Comment
  SEINET14063111  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek. 1219 Comment
  UC1408802  Castilleja miniata Robert F. Thorne and Fred Oettinger 1969-8-10 28968 Siskiyou Panther Creek Meadows Mt. Shasta National Forest, Mt. Shasta (s slope of Mt. Shasta) 2194 Comment
  UC163715  Castilleja miniata Geo. D. Butler 1908-8-7 421 Siskiyou Whiskey Camp Indepencence Creek (Indepencence Creek) Comment
  UCD77489  Castilleja miniata Robert E. Preston 2002-7-12 1903 Siskiyou Klamath National Forest, N of Trout Creek 1652 Comment
  CAS-BOT-BC253614  Castilleja miniata Annie M. Alexander; Louise Kellogg 1949-7-20 5811 Siskiyou Paradise Lake, Marble Mountains, on slope above lake 1920 Comment
  CAS-BOT-BC253622  Castilleja miniata L. R. Abrams 1926-7-4 11232 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  HSC45159  Castilleja pruinosa J. O. Sawyer, E. Cope 1977-6-19 2947 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC72571  Castilleja pruinosa J. P. Smith 1976-5-4 8668 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  POM42908  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mtn. 1220 Comment
  JEPS68264  Castilleja tenuis L. R. Heckard 1972-5-31 2938 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  RSA399046  Ceanothus cuneatus Bonnie C. Templeton 1960-6-21 8534 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  CAS-BOT-BC49188  Ceanothus cuneatus W. R. Dudley 1905-7-7 s.n. Siskiyou Top Siskiyou Mountains Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou 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
  UC455336  Ceanothus integerrimus I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat Mt. Bradley Comment
  CAS-BOT-BC50686  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC50689  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring, along the Sacramento Comment
  HSC101755  Ceanothus integerrimus var. macrothyrsus J. P. Smith, J. O. Sawyer 2011-9-3 13403 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  CAS-BOT-BC52115  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest foothills 1524 Comment
  HSC100190  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13410 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  UC909362  Ceanothus prostratus Ira L. Wiggins 1950-5-28 12364 Siskiyou ca 1.5 mi e Scott Mountain Road (margins of Carmen Lake); margins of Carmen Lake 1737 Comment
  SD249278  Ceanothus sanguineus David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains, Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC18345  Ceanothus velutinus D. M. Thomson 1965-6-11 77 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  JEPS42166  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou Goosenest Mt. Comment
  RSA381134  Ceanothus velutinus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  SEINET204767  Ceanothus velutinus J. M. Tucker, LK Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar ca. 4.7 road miles SW of Etna Comment
  CAS-BOT-BC52841  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson Comment
  UC449590  Ceanothus velutinus var. velutinus Milo S. Baker 1896-1 Siskiyou Stage road between Bartles and Sisson; between Bartles and Sisson Comment
  CAS-BOT-BC276996  Centaurea diffusa R. E. Frenkel 1964-10-2 875 Siskiyou On the south side of Everitt Memorial Highway in a pulloff area near McBride Springs turnoff, near Mount Shasta 1493 Comment
  CDA37702  Centaurea squarrosa Breckenridge 2006-7-15 s.n. Siskiyou Weed, Terrace Drive, near Siskiyou College. 0 Comment
  SBBG30183  Cephalanthera austiniae D. Myrick 1968-6-29 2061 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  HSC30469  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little N Fork Trail, Salmon Mountains 2012 Comment
  HSC92356  Cerastium arvense Jennifer Whipple 1976-7-1 1236 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  UC1586856  Cerastium arvense Juha Pykala and D. H. Norris 1987-6-26 2006 Siskiyou n. of Sulphur Springs (between Doolittle Creek and Stanza Creek - eastern tributaries of Elk Creek); Klamath Nat'l Forest 1400 Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  UC15095  Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  CAS-BOT-BC276765  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC276776  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-6 1252 Siskiyou Boulder Peak Ridge Comment
  CHSC291  Chaenactis douglasii var. douglasii N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. Comment
  HSC92685  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-2 1266 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  UC472229  Chaenactis douglasii var. douglasii Annie M. Alexander and Louise Kellogg 1911-8-14 318 Siskiyou Mt. Eddy Comment
  HSC101495  Chaenactis suffrutescens J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12999 Siskiyou Kalmath National Forest. South of the Gazelle-Callahan summit. 1704 Comment
  RSA608267  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley. 884 Comment
  UC128643  Chaenactis suffrutescens Harley P. Chandler 1731 Siskiyou Etna Mills North Coast Ranges 914 Comment
  UC1718090  Chaenactis suffrutescens John S. Mooring 1962-6-16 s.n. Siskiyou Greenview, at dead end of Main Street Comment
  CAS-BOT-BC141582  Chamaebatiaria millefolium Wm. Bridge Cooke 1938-8-24 11579 Siskiyou In a small ravine west of Bolam Creek - Mount Shasta 2133 Comment
  UCD102288  Chamaebatiaria millefolium Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  HSC1190  Chamaecyparis lawsoniana W. R. Oxner 1966-4-5 130 Siskiyou Mt. Shasta 1037 Comment
  HSC67707  Chamaecyparis lawsoniana John Palmer 1980-7-24 607 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC68409  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1413 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC618773  Chamaesaracha nana unknown 1938-6-17 11054 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC583154  Chamaesyce serpyllifolia Lewis S. Rose 1936-7-29 36702 Siskiyou Shasta Springs 762 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
  UC873180  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  CAS-BOT-BC68237  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou Salmon-Trinity alps Primitive Area - on rocky ridge along west side of Caribou Lake 2042 Comment
  CAS-BOT-BC68242  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk Mt. Comment
  UC1034058  Chenopodium botrys W. Bridge Cooke 1941-9-5 16265 Siskiyou along Memorial Hwy as far as MacBride Springs; Mt. Shasta Comment
  RSA0072903  Chenopodium chenopodioides R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-3 39038 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  HSC65136  Chenopodium fremontii J. P. Smith, Steve Selva 1970-7-17 4417 Siskiyou Along Klamath River. Comment
  RSA478563  Chenopodium rubrum L. C. Wheeler 1934-10-21 3338 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  CAS-BOT-BC451439  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  HSC67798  Chimaphila menziesii J. O. Sawyer, J. Cole 1980-7-22 3992 Siskiyou Little Horse Peak 1720 Comment
  JEPS74520  Chimaphila menziesii W. J. Ferlatte 1966-8-3 270 Siskiyou S. Fork Salmon R. between campground and Carter's; Trinity Alps, S. Fork Salmon R. 1524 Comment
  UC585193  Chimaphila menziesii E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1992 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  HSC61813  Chimaphila menziesii Ruby Van Deventer 1958-7-18 Siskiyou Poker Flat 1585 Comment
  UCD117374  Chimaphila menziesii John M. Tucker; L. K. Mann 1963-7-4 3693 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CAS-BOT-BC452280  Chimaphila umbellata Doris K. Kildale 1928-8-18 6449 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC69313  Chimaphila umbellata Maralyn A. Renner 1980-7-24 1970 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS58866  Chimaphila umbellata Willis L. Jepson Jul 24 1894-Aug 10 1894 14654 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  SDSU9887  Chimaphila umbellata D. F. Howe 1962-8-4 3386 Siskiyou Baldy Mt., Siskiyou Co. 1524 Comment
  JEPS37867  Chrysolepis chrysophylla W. L. Jepson Jul 17 1902-Jul 22 1902 2064 Siskiyou Devil's Backbone; w Siskiyou County 1828 Comment
  SEINET13952977 Image available Chrysolepis chrysophylla F. J. Hermann 1972-1 24813 Siskiyou Rocky slope in open white fur woods on Sawyer's Bar Rd., alt 6,000 ft., 9 miles southwest of Etna. 0 Comment
  UC61174  Chrysolepis sempervirens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta 1066 Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  POM261491  Chrysothamnus nauseosus subsp. albicaulis W. Bridge Cooke 1938-8-5 11451 Siskiyou Diller Canyon, near MacBride Springs 2439 Comment
  POM57971  Chrysothamnus nauseosus subsp. albicaulis E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2226 Comment
  CAS-BOT-BC32779  Chrysothamnus parryi subsp. latior Amos Arthur Heller 1915-8-26 12250 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  HSC2234  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenest 1524 Comment
  SD61049  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1964-8-5 Siskiyou 8.2 miles south of Dorris on Highway 97. 1280 Comment
  UCD130483  Cichorium intybus Morris Halperin 1930-5-17 s.n. Siskiyou near Montague, Schumacher Gulch. Comment
  UC60954  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 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
  CAS-BOT-BC278035  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou 2 miles from Yreka on Ft. Jones road 807 Comment
  CDA35788  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  OBI55400  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  CHSC114379  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-20 PDR 1466465 Siskiyou Copco Lake, Ager Beswick Road. Comment
  CAS-BOT-BC279878  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  JEPS59122  Cirsium douglasii var. breweri Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Region of the Upper Sacramento, Sissons Comment
  UCD130622  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CDA15400  Cirsium occidentale var. candidissimum G. F. Hrusa 1997-9-18 14107 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  CAS-BOT-BC288005  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Knoll just east of Montague Comment
  POM33211  Cirsium occidentale var. venustum Geo. D. Butler 1910-6-6 1456 Siskiyou Quartz Valley Comment
  CAS-BOT-BC288771  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC286476  Cirsium scariosum Peter H. Raven 1956-9-4 10404 Siskiyou South side of Mt. Eddy 2682 Comment
  CAS-BOT-BC286465  Cirsium scariosum Alice Eastwood; John Thomas Howell 1936-6-13 2759 Siskiyou 5 miles n. of Gazelle Comment
  CDA1581  Cirsium scariosum var. robustum Don Shaw 1982-7-16 s.n. Siskiyou Butte Valley; west of Dorris, east of Secret Spring Mtn. Comment
  CDA1588  Cirsium scariosum var. robustum Bill Huse 1954-7-22 s.n. Siskiyou 0 Comment
  CAS-BOT-BC228984  Cistanthe umbellata Alice Eastwood 1912-8-30 2016 Siskiyou Mount Eddy Comment
  CAS-BOT-BC228971  Cistanthe umbellata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC228987  Cistanthe umbellata L. E. Smith 1913-5-23 241 Siskiyou Weed Comment
  CAS-BOT-BC172046  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  HSC64528  Clarkia rhomboidea J. P. Smith, Steve Selva 1970-6-16 3998 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC74863  Clarkia rhomboidea J. P. Smith, Jennifer Whipple 1978-7-2 9983 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC163803  Claytonia cordifolia Geo. D. Butler 1908-8-8 65 Siskiyou Marble Valley on Marble Mt.; Marble Mt, Marble Valley Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
Read comments Sep 27 2006
  RSA237269  Claytonia perfoliata Frederick W. Oettinger 1967-6-28 130 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CHSC34843  Claytonia rubra subsp. rubra M. S. Taylor 1980-6-20 2940 Siskiyou On both sides of Military Pass Rd, among the sagebrush, ca. 4 mi s of Klamath Falls Hwy, ne of Mt. Shasta. Comment
  CAS-BOT-BC443826  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Old Mining Dump, Oro Fino Comment
  SEINET198900  Claytonia saxosa D. Parker 1947-3-30 Siskiyou Hartstrand Gulch E side of Scott Valley 866 Comment
  CHSC98057  Claytonia sibirica K. L. Chambers 1984-6-10 5138 Siskiyou Mt. Shasta City, Big Springs at the city park towards N end of city, W of old highway. On the stone check-dam and at edge of creek below it,. Comment
  HSC76978  Claytonia sibirica K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  CAS-BOT-BC92766  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  UC375265  Clematis ligusticifolia Geo. D. Butler 1908-9-5 526 Siskiyou along creek near Yreka Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC30434  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1768 Comment
  JEPS61605  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Wooley Creek, Cold Spring Camp Wooley Creek; , Cold Spring Camp 1645 Comment
  POM170266  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  SEINET10966302  Clintonia uniflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scotch Camp, Mount Shasta, CA. Comment
  UC1409411  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou area due w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1950 Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC54656  Collinsia parviflora H. M. Hall and E. B. Babcock Jun 1903 4069 Siskiyou near Upton (Sierra Nevada Mountains, Mount Shasta); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CDA41377  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2600 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS5111  Collinsia parviflora unknown Apr 1903 Siskiyou Mt. Mooney , Mt. Mooney (Yreka) Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC164472  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath Bluffs near Yreka; Klamath Bluffs Comment
  JEPS69759  Collinsia torreyi var. latifolia W. B. & V. G. Cooke 1972-7-6 45456 Siskiyou along Mud Creek Dam Rd Mt. Shasta 1371 Comment
  RSA724917  Collinsia torreyi var. latifolia L. P. Janeway 2006-7-3 8751 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  HSC78395  Collomia grandiflora L. P. Janeway 1983-9-23 690 Siskiyou At Poker Flat 1524 Comment
  UC52546  Collomia grandiflora Geo. B. Grant September, 1902 5242 Siskiyou Shasta Springs Mount Shasta 609 Comment
  UC602584  Collomia grandiflora W. Bridge Cooke 1938-8-19 11522 Siskiyou near spring creek; Mt. Shasta, Bear Springs 1524 Comment
  UC449739  Collomia grandiflora Vertebrate Museum 1911-7-16 258 Siskiyou S. Fk. Salmon River Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  UCD118258  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake. Comment
  CAS-BOT-BC230677  Collomia tracyi Doris K. Kildale 1928-7-2 5371 Siskiyou Salmon Summit, Horn Creek trail 1981 Comment
  RSA240080  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott's Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC230674  Collomia tracyi L. B. Kildale 1930-6-1 9781 Siskiyou Black Bear trail near Sawyers Bar, Salmon RIver Comment
  RSA184810  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley, Marble Mountains 1793 Comment
  RSA537706  Cordylanthus tenuis subsp. pallescens T. I. Chuang, L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, NW of Mount Shasta City 1067 Comment
  SEINET3863430  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Dick Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Raod.; 0 996 Comment
  HSC69458  Cordylanthus tenuis subsp. viscidus Maralyn A. Renner 1980-8-4 2234 Siskiyou Ridge near FS Rd. 15N01, about 1 mi. N of Flint Valley 1494 Comment
  JEPS7045  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4791 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath Riber) 457 Comment
  SBBG93279  Cordylanthus tenuis subsp. viscidus B. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mtn summit, on Hwy 4, at rd jct; W of rd 1371 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  CAS-BOT-BC212274  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll R.S., Klamath Forest 670 Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  CAS-BOT-BC212281  Cornus glabrata Wm. Bridge Cooke 1940-6-20 15171 Siskiyou Along the bank of the Klamath River along the Pacific Highway below Hornbrook. 609 Comment
  UC1045280  Cornus glabrata W. Bridge Cooke 1940-6-20 15171 Siskiyou Klamath R. near Pacific Hwy. below Hornbrook; Klamath R. Comment
  UC165258  Cornus glabrata Geo. D. Butler 1908-7-1 89 Siskiyou Yreka Creek Comment
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  CAS-BOT-BC212066  Cornus nuttallii Wm. Bridge Cooke 1939-8-4 13804 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1371 Comment
  HSC100198  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-9-6 13423 Siskiyou Along East Moffett Creek Road 983 Comment
  UCSB22161  Cornus sericea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  HSC61806  Cornus sericea subsp. sericea Ruby Van Deventer 1938-7-13 Siskiyou Poker Flat. 1585 Comment
  UCD77294  Cornus sericea subsp. sericea Robert E. Preston 2001-6-30 1661 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC375260  Corylus californica Geo. D. Butler 1908-7-12 1073 Siskiyou near Yreka Comment
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  HSC5449  Crepis intermedia R. C. Wunner 1965-6-22 258 Siskiyou California Lava Beds National Monument, Canby Bay. 1220 Comment
  JEPS36460  Crepis occidentalis Geo. D. Butler 1909-5-8 754 Siskiyou Butcher Hill Comment
  UC53891  Crepis occidentalis H. M. Hall and E. B. Babcock June, 1903 4116 Siskiyou near Sheep Rock; Mt. Shasta 1524 Comment
  UC581299  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1885 Siskiyou flat about 2 mi s Yreka 810 Comment
  CAS-BOT-BC376493  Crepis occidentalis subsp. conjuncta Lewis S. Rose 1937-7-3 37388 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  CAS-BOT-BC376498  Crepis occidentalis subsp. conjuncta K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC376572  Crepis occidentalis subsp. pumila G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2441 Siskiyou 2 1/2 mi. northeast of Fort Jones, along highway to Yreka 850 Comment
  UC581192  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1896 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC91849  Crepis pleurocarpa T. S. Brandegee July 1887 Siskiyou Sissons Comment
  CAS-BOT-BC290864  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  CAS-BOT-BC290879  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC376470  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E. White Mt. 1920 Comment
  POM147907  Crepis pleurocarpa J. B. Feudge 1927-7-24 1803 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  UC895377  Crocidium multicaule Louis C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek Siskiyou Mts., Mt. Diablo Meridian, Greenhorn Creek 853 Comment
  CDA4483  Crocidium multicaule G. Deal 1965-4-2 Siskiyou Butte Valley; Highway 97 south of Dorris. 0 Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  UC164155  Cryptantha flaccida Geo. D. Butler 1910-5-7 1298 Siskiyou Yreka Comment
  JEPS105004  Cryptantha intermedia Dean 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) 1158 Comment
  UC1199974  Cryptantha intermedia Roy L. Taylor 1960-6-12 4446 Siskiyou 1 mi w jct. of Hwy. 96 (Klamath River Road) and Hwy. 99 (n of Yreka, above Klamath River) 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
  RSA273419  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1974 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  HSC69273  Cryptogramma acrostichoides Maralyn A. Renner 1980-9-1 2688 Siskiyou Bear Mtn. 1936 Comment
  UC42458  Cryptogramma cascadensis Marshall A. Howe 1894-8-4 Siskiyou Mt Shasta 2590 Comment
  NY16595  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards northeast of Quarry 1109.5 Comment
  RSA22766  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1433 Comment
  RSA17605  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6170 Siskiyou Above west fork Seiad Creek, 3/4 mile above forks of creek. Siskiyou Mountains [ridge between the west and east forks of Seiad Creek, south slope hillside] 1159 Comment
  RSA237964  Cuscuta occidentalis Frederick W. Oettinger 1967-8-10 243 Siskiyou 0.1 mi SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC57389  Cycladenia humilis G. L. Clifton, Griswold 1979-7-26 10122 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA38305  Cycladenia humilis H. D. Ripley, R. Barneby 1948-7-6 s.n. Siskiyou Black Butte Comment
  UCD121386  Cycladenia humilis Robert E. Preston 1996-7-23 982 Siskiyou 0.1 mi w of Forest Route 49, near Jot Dean Ice Caves. Comment
  CDA5639  Cynoglossum officinale G. Deal 1967-6-13 Siskiyou 5 miles south of McCloud. 0 Comment
  CAS-BOT-BC136503  Cypripedium fasciculatum Lester Rowntree 1937-7-31 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  RSA237513  Cystopteris fragilis Frederick W. Oettinger 1969-7-11 984 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC19073  Danthonia californica J. O. Sawyer 1969-8-1 1689 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC82384  Danthonia californica Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4538 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  POM365004  Danthonia californica var. americana M. B. Dunkle 1945-7-24 9263 Siskiyou Klamath National Forest, Marble Mountains; Dad's Pocket Comment
  UC1483488  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1584 Comment
  UCD168824  Darlingtonia californica Barry Rice 2015-9-6 BR 150905 Siskiyou Tamarack flats. 1870 Comment
  CAS-BOT-BC141830  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  HSC61163  Dasiphora fruticosa Al Hobart 1967-8-8 Siskiyou El Capitan 1829 Comment
  HSC43141  Daucus carota K. T. Stillman 1976-8-24 418 Siskiyou Slopes on E and N sides of Williams Point 366 Comment
  HSC36435  Delphinium depauperatum J. P. Smith 1974-5-26 7579 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC98361  Delphinium depauperatum G. L. Clifton 1979-7-1 6170 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA714940  Delphinium depauperatum M. E. Fishbein, Lane Greer 2006-8-3 5883 Siskiyou Paynes Creek, at road crossing below Paynes Springs, 2 miles SE of Medicine Lake. 1975 Comment
  UC454019  Delphinium depauperatum I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC8753  Delphinium glaucum Annie M. Alexander; Louise Kellogg 1949-7-23 5851 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  JEPS23312  Delphinium glaucum Geo. D. Butler 1908-6-1 353 Siskiyou Whiskey Camp Marble Mountains, Independence Creek (w slope of mts) 1676 Comment
  JEPS74466  Delphinium glaucum W. J. Ferlatte 1966-8-18 404 Siskiyou 3 mi s Big Flat; Trinity Alps 1584 Comment
  CAS-BOT-BC9886  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9484 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  RSA59503  Delphinium nudicaule E. K. Balls 1950-5-16 14711 Siskiyou E slope, Caldwell Butte, Lava Beds National Monument. Comment
  UC1409278  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou base of cliff se Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  POM207073  Deschampsia cespitosa subsp. cespitosa Th. Holm 1903-9-6 3798 Siskiyou Mt Eddy Comment
  HSC26484  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC92278  Deschampsia elongata Jennifer Whipple 1978-10-6 2429 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  RSA184789  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trial, Meadow above Marble valley; Marble Mountains 183 Comment
  UC1024735  Deschampsia elongata Leo Whitney 1934-6-29 3045 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  UC1108538  Deschampsia elongata Ira L. Wiggins 1955-7-22 13449 Siskiyou 9.5 mi. above Cecilville; S. Fork Salmon R. 1066 Comment
  CAS-BOT-BC43522  Descurainia sophia Wm. Bridge Cooke 1941-7-11 16044 Siskiyou Mount Shasta. In the vicinity of MacBride Springs and along the Memorial Highway. 1524 Comment
  HSC19283  Dicentra formosa J. O. Sawyer 1968-7-23 605 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  UCD95524  Dicentra formosa Ricky D. Pearce 1978-5-7 22 Siskiyou 3.4 miles W of the end of Coffee Creek Road. 1524 Comment
  UCD150601  Dicentra pauciflora Rolf Y. Berg 1964-7-4 s.n. Siskiyou Scott Mountain Pass ESE of Callahan. Just north of pass. Comment
  HSC2243  Dichelostemma capitatum subsp. capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka Comment
  SEINET3885619  Dichelostemma congestum D. W. McNeal 1978-6-2 2156 Siskiyou On a rd. bank beside the Happy Camp-Cave Jct. Rd., 10.7 mi. N. of its jct. with Hwy. #96 in Happy Camp.; 0 Comment
  CAS-BOT-BC291024  Dieteria canescens var. shastensis Geo. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  UC1332426  Dieteria canescens var. shastensis W. Bridge Cooke 1940-7-12 15336 Siskiyou along Memorial Highway; Mount Shasta Comment
  UC444348  Dieteria canescens var. shastensis E. L. Greene 1876-1 Siskiyou Shasta River Comment
  UC86845  Dieteria canescens var. shastensis M. K. Curran July 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC291012  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger station, west end of Medicine Lake 1981 Comment
  CAS-BOT-BC153649  Diplacus jepsonii Elmer I. Applegate 1923-8-19 3887 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153722  Diplacus nanus Milo S. Baker 1926-7-18 79 a-'26 Siskiyou Forest Road on S. Fork Mt. 6 miles from Highway Comment
  UC796501  Disporum hookeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11750 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  CAS-BOT-BC208637  Distichlis spicata Geo. D. Butler 1910-8-21 1844 Siskiyou Saline Flat, Shasta Valley Comment
  HSC86555  Dodecatheon alpinum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  UCD55035  Downingia bacigalupii Robert E. Preston 2002-6-22 1885 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 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
  UC1244079  Downingia pulcherrima John Weiler and A. P. Nelson 1960-6-25 60207 Siskiyou 2.3 mi nw Weed (at the side of Highway 99) Comment
  CAS-BOT-BC41843  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  RSA211442  Draba carnosula William J. Ferlatte 1967-8-20 1055 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  CAS-BOT-BC540707  Draba howellii Dana York 2012-7-21 3139 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  POM259621  Draba pterosperma J. T. Howell 1939-8-8 s.n. Siskiyou Marble Mountains: Black Mountain Comment
  UC1409434  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou cliffs above English Lake to Diamond Lake trail on English Lake side of pass Marble Mountain Wilderness Area, Salmon Mountains (High Lake Basins in vicin of English Peak, Western Siskiyou County) 2225 Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  HSC44704  Draperia systyla J. O. Sawyer, E. Cope 1977-6-18 2900 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS60249  Draperia systyla L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2315 Siskiyou Near Fall Creek Inn along Gilman Road, between Sacramento and McCloud arms of Shasta Lake 396 Comment
  JEPS125885  Drosera rotundifolia Dean W. Taylor with Glenn L. Clifton 1996-7-27 15853 Siskiyou Shasta-Trinity National Forest; Lower Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  UC903175  Drymocallis lactea var. austiniae Mrs. H. P. Bracelin 1931-6-20 436 Siskiyou 0.5 mi from Metcalf Ranch (Northeast slope of Mount Eddy); , Wagon Creek Canyon 1249 Comment
  LA208033  Drymocallis pseudorupestris Wm. Bridge Cooke; 1940-7-26 15372 Siskiyou Mount Shasta, on the W side of Shastina, Hudesonian zone 2743 Comment
  CAS-BOT-BC158424  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8607 Siskiyou South east spur, Preston Peak 1828 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
  HSC46340  Eleocharis macrostachya J. P. Smith, Steve Selva 1970-6-15 3918 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS117635  Eleocharis rostellata Lowell Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Spring Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC1037161  Elymus X aristatus Leo Whitney 1935-7-15 3470 Siskiyou stream near Bullseye Lake (2 mi se of Medicine Lake) Comment
  UCD62811  Elymus X hansenii Mr. Roseman 1913-1 42 Siskiyou Butte Valley. Comment
  POM215742  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  SEINET4135472  Elymus elymoides subsp. brevifolius Jennifer J. Whipple 1976-7-8 1339 Siskiyou North slopes of Mount Eddy.; 0 2438 Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  UC197117  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-3 1632 Siskiyou Goosenest foothills 1219 Comment
  HSC69006  Elymus glaucus Maralyn A. Renner 1980-7-24 2131 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC197187  Elymus glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Moffitt Creek Comment
  UCD61889  Elymus glaucus Geo. D. Butler 1908-6-25 479 Siskiyou Along Creek near Yreka. Comment
  JEPS73753  Elymus glaucus subsp. glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Comment
  UC196945  Elymus multisetus Geo. D. Butler 1910-5-26 1424 Siskiyou Yreka Comment
  UC70717  Elymus multisetus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA783702  Elymus riparius Barbara L. Wilson, Richard Brainerd 2010-8-4 16208 Siskiyou Forest Service road 41N26, the Eddy Creek Road, 2.8 mi above junction with Old Stagecoach Road (study site 11). 1280 Comment
  CAS-BOT-BC204266  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  HSC91442  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-8-6 2210 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  CAS-BOT-BC392231  Enemion stipitatum L. E. Smith 1913-3-26 22 Siskiyou Yreka, back of Catholic Cemetery Comment
  HSC67811  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-21 3833 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  SDSU8793  Epilobium brachycarpum D. F. Howe 1964-8-5 3940 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  RSA768924  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2010-7-30 16952 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  SEINET12873233  Epilobium ciliatum subsp. ciliatum G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  POM251083  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  JEPS38212  Epilobium densiflorum Geo. D. Butler 1908-7-17 160 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  UC220958  Epilobium densiflorum H. E. Brown Jul 15 1897-Jul 31 1897 566 Siskiyou s side Mt. Shasta 1524 Comment
  UC61667  Epilobium densiflorum Geo. B. Grant Sept. 1902 5078 Siskiyou Sisson Mt. Shasta 914 Comment
  RSA120861  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  HSC29141  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Salmon Mtns., stream inlet into Hancock Lake 1890 Comment
  RSA142623  Epilobium hornemannii subsp. hornemannii P. A. Munz 1960-8-22 24180 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  CAS-BOT-BC419731  Epilobium luteum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -086 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  HSC33998  Epilobium minutum J. P. Smith 1974-5-25 7486 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  UC422957  Epilobium minutum Milo S. Baker Siskiyou Lava bed Fall River Valley Comment
  CAS-BOT-BC58009  Equisetum A. A. Heller 1920-8-11 13508 Siskiyou Metcalf's Ranch, ne. base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC56945  Equisetum arvense G. B. Grant 1902-9-13 Z 3700 Siskiyou Sisson, N. Cal Comment
  CAS-BOT-BC57805  Equisetum laevigatum D. E. Breedlove 1962-6-10 3333 Siskiyou On the n. bank of the Klamath River at its junction with Goff Creek, 4.5 mi. w. of Seiad. 411 Comment
  HSC36752  Equisetum telmateia subsp. braunii Brent Whiteley 1975-6-23 42 Siskiyou 223 Comment
  SD10034  Equisetum telmateia subsp. braunii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  CAS-BOT-BC204512  Eragrostis cilianensis Saxton; Canfield 1922-7-21 45 Siskiyou Klamath National Forest. Rainey Ranch Comment
  CAS-BOT-BC204626  Eragrostis mexicana subsp. virescens R. E. Frenkel 1964-10-2 882 Siskiyou On Everitt Memorial Hwy., 1.0 mile north of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CAS-BOT-BC168847  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC174225  Eremogone congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC481933  Eremogone congesta var. crassula Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, S of Hwy 96, between Ridge and Humbug roads 1371 Comment
  HSC4759  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat; wooded area near public camp 1524 Comment
  RSA142695  Ericameria bloomeri P. A. Munz 1960-8-22 24172 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  RSA3385  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On road to McCloud 0.5 mile above junction with Pacific Highway 793 Comment
  SJSU3011  Ericameria bloomeri J. W. Tilden 1967-8-22 1770 Siskiyou proximity of Bartle, southeastern Siskiyou County Comment
  CAS-BOT-BC287500  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt Eddy 1889 Comment
  POM211809  Ericameria greenei L. C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  HSC27012  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5764 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  CAS-BOT-BC298246  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC294302  Ericameria nauseosa var. speciosa Doris K. Kildale 1928-7-4 5499 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  CAS-BOT-BC299471  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  JEPS80484  Ericameria nauseosa var. speciosa W. B. and V. G. Cooke 1976-10-24 54051 Siskiyou along Bolam Road Mt. Shasta 1524 Comment
  UCD70112  Ericameria pinifolia D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. Knobcone pine forests (Pinus attenuata). 1650 Comment
Read comments Jul 18 2018
  CAS-BOT-BC293495  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  UC485174  Erigeron aphanactis var. aphanactis M. K. Curran 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC294496  Erigeron bloomeri var. bloomeri Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Summit of Marble Mt. Comment
  CAS-BOT-BC294501  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-8 9446 Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC33466  Erigeron bloomeri var. pubens C. L. Hitchcock; J. S. Martin 1939-7-9 5329 Siskiyou 0.5 mile SE of King's Castle; Marble Mts. 1828 Comment
  CAS-BOT-BC294524  Erigeron breweri var. breweri Lemmon 1880-7-1 s.n. Siskiyou Mt Eddy near Shasta Comment
  HSC39833  Erigeron compositus J. O. Sawyer 1969-7-9 1263 Siskiyou N slope of Grizzly Peak. 2378 Comment
  CHSC39002  Erigeron eatonii var. plantagineus J. D. Jokerst 1983-7-5 1820 Siskiyou Atkin's Meadow ca 15 air miles E of McCloud. Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  RSA78831  Erigeron foliosus var. hartwegii P. A. Munz 1952-7-2 17909 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  HSC69334  Erigeron glacialis var. glacialis John Palmer 1980-8-13 770 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  UC455840  Erigeron inornatus var. inornatus I. J. Condit 1909-8-23 Siskiyou near Sisson; Mt. Shasta, Castle Lake 1828 Comment
  UC468824  Erigeron inornatus var. inornatus W. A. Setchell, C. C. Dobie 1902-7-2 Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC295814  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  UC179498  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou e side Mt. Eddy 2499 Comment
  CAS-BOT-BC300087  Erigeron philadelphicus A. Eastwood 1921-7-30 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC300084  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on rd to Sawyer's Bar, southern Siskiyou County 914 Comment
  UC135491  Erigeron pumilus var. intermedius A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UCSB24926  Eriodictyon lobbii Keefe, Joseph 1967-7-11 Siskiyou Roadside, 0.5 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1676 Comment
  OBI78913  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest, along Salmon River on Highway 93. quadrangle. 694 Comment
  HSC19476  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou SW slope above Music Creek 2360 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
  CAS-BOT-BC248844  Eriogonum compositum var. compositum Roxana S. Ferris; Laura Lorraine 1948-6-12 11763 Siskiyou East fork of Scott River one mile north of Callahan Comment
  LA206739  Eriogonum diclinum Louis Wheeler; 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon 1950 Comment
  JEPS83657  Eriogonum elatum var. elatum R. Raiche 1987-7-27 70532 Siskiyou near Del Norte Co. line (just s of Oregon border; Little Grayback Ridge); Little Grayback Ridge 1676 Comment
  CAS-BOT-BC255732  Eriogonum elatum var. elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamath on Siskiyou County line Comment
  HSC77153  Eriogonum hirtellum L. P. Janeway 1983-8-7 522 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  HSC26154  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1972-9-14 5802 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC28194  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1971-9-18 4805 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC83320  Eriogonum marifolium D. W. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta between Shasta Ski area and Green Butte 2591 Comment
  SBBG122852  Eriogonum marifolium B. Ertter 1990-7-16 9382 Siskiyou ca 2 mi E of Parks Crk trailhead (crest of Rd 17), along ridge, NW side of Mt Eddy, ca 8 air-mi SW of Weed 2316 Comment
  CHSC102576  Eriogonum marifolium var. marifolium L. P. Janeway 2009-8-3 9890 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CDA22628  Eriogonum nudum var. nudum T. C. Fuller 1962-8-3 9504 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC43404  Eriogonum nudum var. nudum K. T. Stillman 1976-7-21 278 Siskiyou Marble Mtn. Wilderness Area, ridge from Back Mtn. to Jump Off Point 2043 Comment
  SDSU6774  Eriogonum nudum var. oblongifolium D. F. Howe 1961-8-3 3132 Siskiyou 20.3 miles east of Happy Camp on #96. 549 Comment
  HSC17330  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-8-26 483 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  SBBG1575  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-3 3538 Siskiyou near Scott Bar 609 Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  UCD100721  Eriogonum nudum var. pubiflorum Robert E. Preston 1995-6-18 886 Siskiyou Irongate Reservoir, 1/4 mile SW of mouth of Jenny Creek, on road cut. 731 Comment
  CAS-BOT-BC267708  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC94541  Eriogonum siskiyouense R. C. Wenk 2006-7-24 533 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  JEPS108713  Eriogonum siskiyouense Thomas W. Nelson and Jane P. Nelson 2006-8-4 9467 Siskiyou Scott Mountain S of junction of Forest Service Rds. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08 E side of North-South running ridge. 1670 Comment
  CHSC1331  Eriogonum sphaerocephalum var. halimioides J. Wakeman 1963-6-15 Siskiyou Yreka Hill. Comment
  HSC17425  Eriogonum strictum var. greenei Dorothy Parker 1949-6-30 326 Siskiyou Along Kidder Creek, Scott Valley 857 Comment
  CAS-BOT-BC540704  Eriogonum ternatum Dana York 2012-7-21 3134 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 500 m NE of Red Butte 1950 Comment
  HSC60823  Eriogonum umbellatum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC267974  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-24 4487 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC267977  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  CAS-BOT-BC267981  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  JEPS24035  Eriogonum umbellatum var. argus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6899 Siskiyou Poker Flat Siskiyou Mts. 1536 Comment
  RSA237777  Eriogonum umbellatum var. argus Frederick W. Oettinger 1967-8-4 269 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  RSA237986  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -b Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  UC718151  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3.6 mi on road to Horse Creek Dry Lake Lookout; Siskiyou Mts. 1981 Comment
  RSA420693  Eriogonum umbellatum var. dumosum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  RSA0033766  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 airmiles W of Mt. Shasta City; open rocky dry ridge S of & above creek. 1950 Comment
  CAS-BOT-BC265199  Eriogonum umbellatum var. nevadense A. A. Heller 1922-7-14 13684 Siskiyou Near Pumice Stone Mountain Comment
  SEINET5331992  Eriogonum umbellatum var. polyanthum G. Butler 1910-6-19 1580 Siskiyou Gereuest(?) foothills. 1524 Comment
  SEINET3836800 Image available Eriogonum umbellatum var. stellatum G. D. Butler 1908-8-9 214 Siskiyou Summit-above Marble Valley Comment
  SEINET3860115  Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest.; 0 1675 Comment
  CAS-BOT-BC262378  Eriogonum vimineum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CHSC36179  Eriogonum vimineum K. Bridwell 1978-7-5 165 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  CAS-BOT-BC262373  Eriogonum vimineum E. K. Balls 1949-7-10 13967 Siskiyou 1 mile from Cecilville on way to Forks of Salmon 716 Comment
  SEINET5332086  Eriogonum vimineum G. Butler 1910-6-17 1572 Siskiyou Dry hill near Yreka. Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  UC163824  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  CAS-BOT-BC301103  Eriophyllum lanatum var. achilleoides J. H. Thomas 1954-5-14 4182 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville between Lat. 41 deg. 03' and 41 deg. 06'N., and Long. 122 deg. 58' and 123 deg. 03' W. 1219 Comment
  CAS-BOT-BC301108  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou West of Yreka Comment
  CAS-BOT-BC301446  Eriophyllum lanatum var. grandiflorum Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  JEPS34486  Eriophyllum lanatum var. grandiflorum W. L. Jepson Jul 24 1894-Aug 10 1894 14572 Siskiyou plateau at Upton; upper Sacramento 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
  HSC2273  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mtn. 1220 Comment
  HSC94091  Eriophyllum lanatum var. lanceolatum G. Fred Hrusa 1998-7-5 14684 Siskiyou S side of Pass on Happy Camp-O'Brien Rd., CA side of state boundary, above Indian Creek Camp 750 Comment
  RSA184629  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1965-8-20 13039 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  UC375288  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-7-14 1049 Siskiyou Yreka, field near Comment
  CAS-BOT-BC54581  Erysimum capitatum L. B. Kildale 1930-6-1 9700 Siskiyou Salmon River at Crapo Creek. Comment
  CAS-BOT-BC54584  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-9 5313 Siskiyou Between King's Castle and Black Mountain, west side of ridge. 1828 Comment
  JEPS53582  Erysimum capitatum var. capitatum Geo. D. Butler 1909-5-8 724 Siskiyou near Yreka Comment
  CAS-BOT-BC55119  Erysimum perenne C. L. Hitchcock; J. S. Martin 1939-7-9 5313 Siskiyou Between King's Castle and Black Mountain. Northwest side of bridge. 1828 Comment
  HSC19421  Erysimum perenne J. O. Sawyer 1968-7-23 565 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC19557  Erysimum perenne J. O. Sawyer 1969-6-2 1006 Siskiyou Summit above Albert Lake 2256 Comment
  HSC91032  Erysimum perenne Jennifer Whipple 1977-7-20 1999 Siskiyou Mt. Eddy, N slopes 2317 Comment
  HSC91050  Erysimum perenne Jennifer Whipple 1978-10-6 2410 Siskiyou Slopes in the Eddy Creek drainage 2287 Comment
  RSA96730  Erythronium Percy C. Everett, E. K. Balls 1954-10-13 20283 Siskiyou Canyon Creek above junction of trails to Kangaroo Mountain and West Fork Seiad Creek, 6.6 miles northeast from Highway 96 671 Comment
  CAS-BOT-BC505227  Erythronium grandiflorum Philip A. Munz 1952-7-2 17890 Siskiyou Road to Baldy Mt. northwest of Happy Camp 1524 Comment
  CAS-BOT-BC505230  Erythronium grandiflorum Lillian Mott 1976-7-4 29 LM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  SEINET12054366  Erythronium grandiflorum H. P. Chandler 1901-1 1619 Siskiyou near Marble Mt 2134 Comment
  HSC58943  Erythronium grandiflorum subsp. grandiflorum Marvin Butler 1971-7-6 28 Siskiyou Near El Capitan 1524 Comment
  CAS-BOT-BC403679  Eschscholzia californica Geo. D. Butler 1908-6-23 1063 Siskiyou Near Yreka Comment
  UC1034586  Eschscholzia californica Milo S. Baker and Douglas Barbe 1955-7-1 82 Siskiyou 4.0 mi n Callahan (on Eastside Rd. to Etna); Klamath Mountains 899 Comment
  CAS-BOT-BC5886  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  JEPS101309  Eucephalus ledophyllus Dean W. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  UC1034598  Euonymus occidentalis var. occidentalis Douglas Barbe 1955-6-30 60 Siskiyou 0.8 mi. n.w. Forest Camp (Etna, along Johnson Creek); Klamath Mts., Etna, Johnson Creek 944 Comment
  UCD20186  Euphorbia spathulata J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  CDA36154  Euphorbia virgata C. Pirosko Jul 2003 s.n. Siskiyou 0 Comment
  CAS-BOT-BC310630  Eurybia radulina L. E. Smith 1912-7-1 s.n. Siskiyou McCloud Comment
  HSC157  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Big Flat 1524 Comment
  HSC76644  Festuca idahoensis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA211385  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA239117  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1584 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
  UC593535  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1909 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  HSC43046  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2760 Siskiyou Along Specimen Creek. 915 Comment
  HSC75129  Festuca pratensis J. P. Smith, Thomas W. Nelson 1979-6-16 10148 Siskiyou Klamath National Forest. State Route 3, 1 mi. from Scott Mtn. Summit. 1341 Comment
  UC197109  Festuca pratensis Geo. D. Butler 1909-8-16 862 Siskiyou near Yreka (along creek) Comment
  UCD66277  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  UCD66366  Festuca rubra Collector Unknown 1889-6-1 Siskiyou Edgewood. Comment
  HSC26128  Festuca subuliflora J. P. Smith, Steve Selva 1970-6-14 3878 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC455953  Fragaria chiloensis L. N. Lorenzen No date on label 3 Siskiyou Shasta Forest. Van Brennan Wells. 1440 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  UC618839  Fragaria virginiana subsp. platypetala unknown 1938-7-15 11251 Siskiyou Wagon Camp; Mount Shasta Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  CAS-BOT-BC223583  Fraxinus latifolia Carl B. Wolf 1927-8-26 998 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  OBI76909  Fraxinus latifolia Anthony Baniaga 2011-7-8 427 Siskiyou Klamath Natl Forest. Along Klamath River, at Seattle Crk Access Area. Slater Butte quad T17NR6W sec 21 SW of SW 358 Comment
  UC61684  Fraxinus latifolia Geo. B. Grant Sep 1904 5181 Siskiyou Dunsmuir Mount Shasta 609 Comment
  UC13828  Fritillaria atropurpurea Harley P. Chandler June, 1901 1592 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1981 Comment
  UC165731  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC504471  Fritillaria recurva Lincoln Constance; Reed C. Rollins 1942-5-14 2925 Siskiyou Road to Walker Post Office, 4 miles west of Yreka 1219 Comment
  JEPS88842  Galium arcuatum T. Howell 1886-1 137 Siskiyou Comment
  HSC403  Galium bifolium William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail 1982 Comment
  UCD121595  Galium bifolium G. J. Muth 1975-7-30 5876 Siskiyou Near Lily Pad Lake, near Seiad Valley. 1584 Comment
  HSC29326  Galium bifolium Frederick W. Oettinger 1969-7-9 937 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  HSC39826  Galium bolanderi J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  UCSB17349  Galium bolanderi Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  UCD121766  Galium grayanum J. M. Tucker; L. K. Mann and Sandra L. Holloway 1963-8-18 3755 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  UCD121773  Galium grayanum Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain. 2133 Comment
  NY131475  Galium serpenticum subsp. scotticum L. T. Dempster 1961-7-3 1877 Siskiyou About 2 miles below summit (i.e. E of) on road SW of Callahan. 1828.8 Comment
  HSC19812  Galium serpenticum subsp. scotticum F. Ehrendorfer, G. L. Stebbins 1959-6-29 5915 Siskiyou Siskiyou/Trinity Co. line, W flank of Scott Mtn. 1921 Comment
  UCD80889  Galium trifidum subsp. subbiflorum Robert E. Preston 2001-6-23 1583 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  HSC61496  Galium triflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC164468  Galium triflorum Geo. D. Butler 1002 Siskiyou near Yreka; Humbug Gulch Comment
  HSC27595  Garrya fremontii Carl W. Mize 1972-6-21 66 Siskiyou Along main trail 305 Comment
  JEPS66747  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou near Yreka Comment
  UC21601  Garrya fremontii Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  UC876008  Garrya fremontii unknown 1941-9-16 16319 Siskiyou along Castle Lake Road Comment
  RSA485909  Garrya fremontii G. Dahling 1973-06 1270 Siskiyou About 21.5 miles southwest of Cave Junction. Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA374499  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  JEPS27519  Gayophytum heterozygum W. L. Jepson Jul 17 1902-Jul 22 1902 2102 Siskiyou The Devil's Backbone; w Siskiyou Co. 1828 Comment
  RSA34387  Gayophytum heterozygum W. Bridge Cooke 1947-8-9 17789 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  UCD103563  Gayophytum heterozygum J. M. Tucker 1950-7-24 1946 Siskiyou Outskirts of town of Mt. Shasta, beside Highway 99. Comment
  JEPS80657  Gayophytum humile W. B. and V. G. Cooke 1970-7-21 42679 Siskiyou Horse Camp Mt. Shasta Comment
  SBBG30545  Gayophytum humile D. Myrick 1968-6-28 2051 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  UC878459  Gentiana calycosa John Thomas Howell 1939-8-8 15145 Siskiyou Black Mt. Marble Mts. Comment
  POM130546  Gentiana calycosa E. B. Copeland 1903-9-7 3879 Siskiyou Mt. Eddy. Comment
  HSC524  Gentiana newberryi William J. Ferlatte 1966-8-17 388 Siskiyou Caribou Basin 1982 Comment
  UCD169045  Gentiana newberryi B. Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south Fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC217415  Gentiana plurisetosa C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  RSA238870  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  JEPS74461  Gentianopsis simplex W. J. Ferlatte 1966-8-16 368 Siskiyou between campground and S. Fork Salmon R. Big Flat; Trinity Alps 1524 Comment
  UC1024068  Gentianopsis simplex Dorothy Parker 1953-9-18 609 Siskiyou meadow above Cabin Meadow Creek near Cory Peak; Siskiyou Mts. 1920 Comment
  CAS-BOT-BC459352  Geum aleppicum Donald Myrick 1961-6-20 277 Siskiyou On road to Bear Springs, east of Mt. Shasta City 1371 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
  HSC68523  Gilia capitata Maralyn A. Renner 1980-6-23 988 Siskiyou W Fork Seiad Creek 878 Comment
  SEINET7073523  Gilia capitata A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  RSA237953  Gilia capitata Frederick W. Oettinger 1968-9-3 675 Siskiyou Western bank of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1791 Comment
  HSC44647  Githopsis specularioides J. P. Smith, Steve Selva 1970-6-16 4019 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC1100355  Glyceria borealis Herbert L. Mason 1948-7-18 13618 Siskiyou Grass Lake Comment
  CAS-BOT-BC282717  Glyceria elata Wm. Bridge Cooke 1937-8-6 9209 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD85119  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  SEINET10790893  Glyceria striata Lawrence P. Janeway 1983-9-11 Janeway 684 Siskiyou Preston Peak quad (15') T18N, R6E, SW1/4 of sec. 20. Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. On wet edge of a dry "island in middle of the lower wet part of the meadow. 1524 Comment
  RSA237527  Gnaphalium palustre Frederick W. Oettinger 1969-8-31 1567 Siskiyou Weed patch at campsite, English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1829 Comment
  HSC97385  Goodyera oblongifolia A. Montalvo, J. D. Ackerman 1974-8-16 418 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  JEPS24021  Goodyera oblongifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6883 Siskiyou at junction of Happy Camp-Takilma Road and Poker Flat Road (Siskiyou Mountains); Siskiyou Mountains 1376 Comment
  RSA237631  Goodyera oblongifolia Frederick W. Oettinger 1968-8-5 416 Siskiyou W end of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  UC1035169  Hackelia micrantha Dorothy Parker 1953-8-9 585 Siskiyou along edge of small lake in the Salmon Mountain Range; Siskiyou Mountains, Salmon Mountain Range Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  SEINET10474688  Haplopappus bloomeri Mary Susan Taylor 1980-8-18 Taylor 3257 A Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  SJSU6536  Hastingsia alba R. W. Trivelpiece 1973-6-28 159 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan 2042 Comment
  UC1041016  Hastingsia alba J. W. Congdon 1900-8-8 Siskiyou near Sisson; near Sisson Comment
  UC1282029  Hastingsia alba Louise Kellogg Aug 5 1953-Aug 7 1953 129 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle then s 5.8 mi on logging road); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  UC221683  Hastingsia alba Dr. Edward Palmer Jul 13 1892-Jul 24 1892 2513 Siskiyou Mount Shasta and vicinity Comment
  RSA184797  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou Ridge, near lookout, Marble Mountains. 2043 Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  HSC44998  Hastingsia serpentinicola J. P. Smith, Steve Selva 1970-7-17 4454 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA215643  Hazardia whitneyi var. discoidea Gilbert Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge. 2378 Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  UC1313024  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou lower Red Rock Valley Marble Mountain Wilderness Area (in vicinity of cabin) 1493 Comment
  CAS-BOT-BC306746  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  SD76158  Helenium bigelovii Helen V. Witham 1969-10-9 557 Siskiyou Scott Mountains: Kangaroo Lake, edge of bog. 2100 Comment
Read comments Jun 3 2008
  HSC103638  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 7819 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC305576  Helianthus bolanderi Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  HSC72366  Helianthus bolanderi J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8976 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  RSA17979  Helianthus bolanderi C. B. Wolf 1927-8-26 999 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC195378  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou treeless plains near Yreka Comment
  CHSC114173  Heliotropium curassavicum var. oculatum R. E. Brainerd 2010-8-5 1731 Siskiyou Interstate Highway 5, 12.5 air miles southeast of Yreka. UTM Zone 10 541522E 4603756N 798 Comment
  CAS-BOT-BC313448  Hemizonella minima Elmer I. Applegate 1935-6-8 9418 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC69403  Heracleum maximum Maralyn A. Renner 1980-8-8 2434 Siskiyou Rattlesnake Meadow 1646 Comment
  RSA256713  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  JEPS94695  Heterotheca villosa var. minor Vernon H. Oswald and Lowell Ahart 1998-9-8 9607 Siskiyou 2 air mi nw of Indian Springs Mountain (USFS 3 0.1 mi w of Julia Glover Flat, 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir) 1127 Comment
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  RSA0063195  Heuchera merriamii G. D. Barbe 1955-8-5 367 Siskiyou Growing along the trail to Caribou Lake. Salmon Mtns. 2409 Comment
  RSA0076250  Heuchera merriamii M. B. Dunkle 1945-7-19 9224 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  CAS-BOT-BC312319  Hieracium John Thomas Howell 1939-8-2 14920 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC319678  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC319690  Hieracium albiflorum Doris K. Kildale 1928-8-19 6569 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC69292  Hieracium albiflorum Maralyn A. Renner 1980-7-24 1945 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1096803  Hieracium albiflorum H. K. Wagnon 1957-8-11 1712 Siskiyou along Ash Cr. ca, 1 mi n of junction with Military Pass Rd. (e slope Mt. Shasta); North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  UC61071  Hieracium albiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  RSA237435  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou South slope trail down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC455917  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou Trail to Horse Camp; Mt. Shasta 1524 Comment
  UC1299259  Hieracium greenei Freed W. Hoffman 1948-7-12 2492 Siskiyou between Cinnabar Springs and Bear Creek; Beaver Creek 914 Comment
  UC572809  Hieracium horridum W. Bridge Cooke 1938-8-17 9250 Siskiyou lava slopes Mt. Shasta 2590 Comment
  UC618677  Hieracium horridum W. Bridge Cooke 1938-8-18 11492 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC280780  Holcus lanatus L. E. Smith 1913-6-1 325 Siskiyou Sisson Comment
  HSC27643  Holcus lanatus Carl W. Mize 1972-6-21 79 Siskiyou Forks of Salmon. 343 Comment
  HSC34326  Holodiscus discolor J. P. Smith, J. O. Sawyer 1973-8-14 7309 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  HSC69424  Holodiscus discolor John Palmer 1980-7-23 560 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  JEPS45038  Holodiscus discolor Geo. D. Butler 1908-7-19 494 Siskiyou Humbug Comment
  RSA11810  Holodiscus discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  RSA237614  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou Cliffs south of of Tobacco Lake basin. meadows, 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA449788  Holodiscus discolor Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  UC1951318  Holodiscus discolor Robert F. Thorne and Fred Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near crest of ridge above English Lake, along trail to Hancock Lake. Comment
  CAS-BOT-BC150130  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 5111 Siskiyou Horse Camp, Mt. Shasta 2743 Comment
  CAS-BOT-BC388567  Holosteum umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada 822 Comment
  POM112114  Hordeum brachyantherum Geo D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  RSA591657  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC143953  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  SBBG2948  Horkelia daucifolia H. and M. Dearing 1939-6-3 2531 Siskiyou near Scotts Bar Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  CAS-BOT-BC143958  Horkelia daucifolia Lincoln Constance; Reed C. Rollins 1942-5-13 2913 Siskiyou Scott River 2 miles south of Scott Bar 548 Comment
  POM224085  Horkelia daucifolia Alice Eastwood, John T. Howell 1934-4-20 1791 Siskiyou 4 miles N of Weed. Comment
  POM35294  Horkelia fusca subsp. parviflora E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  UC609363  Horkelia fusca subsp. parviflora Eleanor Burks Hart 1938-8-18 949 Siskiyou ridge above Big Meadow 2377 Comment
  SD215712  Horkelia fusca subsp. pseudocapitata E. K. Balls, L. W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1219 Comment
  UC545659  Horkelia tridentata subsp. tridentata Alice Eastwood and John Thomas Howell 1934-4-20 Siskiyou Weed Comment
  HSC69051  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-8-6 2307 Siskiyou Cracker Meadow 1555 Comment
  HSC71399  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-7-27 4514 Siskiyou Gumboot Lake 1768 Comment
Read comments Jun 7 2012
  UC1034052  Hulsea nana W. Bridge Cooke 1941-9-10 16295 Siskiyou above Horse Camp; Mt. Shasta Comment
  POM260543  Hulsea nana W. Bridge Cooke 1939-7-26 s.n. Siskiyou Mount Shasta: scattered through the lava talus along the Summit Trail below Lake Helen Comment
  UC1046527  Hydrophyllum fendleri var. albifrons R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3451 Siskiyou Poker Flat Siskiyou Mountains (near summit of Takilma-Happy Camp Road over Siskiyou Mountains, at Del Norte-Siskiyou County line) 1630 Comment
  POM65392  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mtn. 1677 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA0110955  Hydrophyllum occidentale Frederick W. Oettinger 1967-6-24 122 Siskiyou Along stream at first water stop south of Etna Summit on Etna to Sawyers Bar road. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1753 Comment
  JEPS101370  Hymenoxys lemmonii Dean W. Taylor 1997-6-12 16054 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  POM67032  Hymenoxys lemmonii Geo D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  UC54079  Hymenoxys lemmonii H. M. Hall and E. B. Babcock 1903-6-1 4091 Siskiyou 3 mi ne Edgewood; Sierra Nevada Mountains, Mt. Shasta, Shata Valley 914 Comment
  UC164264  Hypericum anagalloides Geo. D. Butler 1908-8-3 52 Siskiyou Shackleford Creek, Log Lake Comment
  UC618754  Hypericum anagalloides W. Bridge Cooke 1938-9-8 11654 Siskiyou Squaw Creek Heather Meadows and Panther Creek Heather Meadows Mt. Shasta, Squaw Creek Heather Meadows, Panther Creek Heath Comment
  HSC93009  Hypericum scouleri Jennifer Whipple 1977-8-6 2200 Siskiyou Dobkins Lake 2058 Comment
  CAS-BOT-BC206832  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along the Memorial Highway, Mount Shasta. 1524 Comment
  CHSC1031  Iliamna bakeri V. Holt 1932-7-17 Siskiyou Mt. Shasta Flats. 1158 Comment
  CAS-BOT-BC94923  Ipomopsis aggregata R. C. Wenk 2005-7-19 340 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  UCD118361  Ipomopsis aggregata subsp. aggregata K. M. Meyer; A. Townesmith 2007-7-29 172 Siskiyou Shasta-Trinity National Forest, 0.3 mile on 40N25 Road, off Siskiyou County Road, A10/Everitt Memorial Highway. 1805 Comment
  HSC81565  Ipomopsis aggregata subsp. aggregata Thomas W. Nelson, Jane P. Nelson 1980-7-17 6093 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC23469  Ipomopsis congesta Harley P. Chandler 1901-6-1 1666 Siskiyou Marble Mtn North Coast Ranges 2438 Comment
  JEPS109259  Ipomopsis congesta subsp. congesta D. W. Taylor 2002-7-29 18288 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  SEINET4898742  Iris chrysophylla J. Seely s.n. Siskiyou Klamath National Forest Comment
  POM168907  Iris macrosiphon H. P. Chandler 1901-06 1570 Siskiyou Near Marble Mtn. 1829 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  HSC65870  Iris tenax subsp. klamathensis M. A. Baker 1980-6-20 2182 Siskiyou Near Bald Mtn. 275 Comment
  RSA240091  Iris tenuissima Frederick W. Oettinger 1969-8-12 1332 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  UC375299  Isatis tinctoria Geo. D. Butler 1909-6-13 804 Siskiyou near Fort Jones Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  CDA3764  Isatis tinctoria T. C. Fuller, W. T. Parsons 1960-7-25 4870 Siskiyou 2 miles northwest of Ft. Jones, Scott Valley. 0 Comment
  RSA237981  Isoetes Frederick W. Oettinger 1968-8-5 708 Siskiyou Above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area. 2073 Comment
  CAS-BOT-BC57677  Isoetes bolanderi John Thomas Howell 1939-8-9 15194 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA240088  Isoetes bolanderi Frederick W. Oettinger 1969-8-21 1474 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  HSC103153  Isoetes echinospora Dana York 2014-10-11 3225 Siskiyou Klamath National Forest, Marble Mountain Wilderness, Chinquapin Lake above Deep Lake. 2180 Comment
  HSC28737  Isoetes occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1268 Siskiyou Marble Mtn. Wilderness Area, W end of English Lake, shallow lake margin 1753 Comment
  CDA24281  Isopyrum stipitatum F. D. Horn 1978-3-1 Siskiyou West of Hawkinsville, along North Humbug Road, north of Yreka. 0 Comment
  CAS-BOT-BC324839  Iva axillaris E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon Comment
  HSC85693  Ivesia pickeringii J. P. Smith 1980-8-24 10345 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  JEPS98784  Juncus Sue Pappalardo 1993-7-19 505 B Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  UCR222503  Juncus R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  CAS-BOT-BC110023  Juncus Morris Halperin 1930-5-17 s.n. Siskiyou Schumacher Gulch, near Montague. Comment
  CHSC60615  Juncus articulatus L. P. Janeway 1983-9-23 696 Siskiyou Along edge of Rd 18N33 ca 6 mi form Grayback Road. 1432 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  CHSC106109  Juncus balticus subsp. ater Lowell Ahart; John Dittes 2010-7-30 16950 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
  HSC92708  Juncus balticus subsp. ater Jennifer Whipple 1977-8-6 2198 Siskiyou Dobkins Lake 2058 Comment
  JEPS107945  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2005-6-9 12055 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
  UC1265305  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou e shore Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  RSA368220  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  JEPS66703  Juncus ensifolius Mrs. M. H. Goldsmith and B. C. Goldsmith 1916-8-7 14 Siskiyou Sisson Comment
  JEPS94065  Juncus ensifolius Vernon H. Oswald and Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi. s.e. of Gazelle-Callahan Rd. at its intersection w/ USFS 41N10 1554 Comment
  UC842519  Juncus ensifolius John Thomas Howell 1939-8-7 15129 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UCD141524  Juncus ensifolius A. A. Heller 1920-8-11 13492 Siskiyou Sisson. 1079 Comment
  HSC36556  Juncus exiguus J. O. Sawyer 1969-6-12 914 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS121610  Juncus howellii Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  CAS-BOT-BC127618  Juncus mertensianus Doris K. Kildale 1928-8-19 6504 Siskiyou English Lake, head of north fork of Salmon River. Comment
  HSC30706  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1241 Siskiyou Marble Mtn. Wilderness Area, NNW of Pine Lake 1883 Comment
  RSA238904  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou Mid-way between the English Lake main camp and Sundew Bog due west of the camp. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA238912  Juncus orthophyllus Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1299 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  POM211411  Juncus parryi L. C. Wheeler 1934-8-17 3186 Siskiyou East end White Mt. Siskiyou Mountains. 1829 Comment
  RSA211377  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 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
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  RSA159440  Juniperus communis var. montana G. A. Coleman 1901-8-16 s.n. Siskiyou Rocky ridge near head of Paulters Creek 2515 Comment
  CHSC102553  Juniperus communis var. saxatilis L. P. Janeway 2009-8-4 9905 A Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  CAS-BOT-BC81239  Juniperus occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53420 Siskiyou east side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  UCD133042  Juniperus occidentalis Beecher Crampton 1960-2-1 5475 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. 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
  CHSC75660  Juniperus occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. On road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  CAS-BOT-BC56352  Kalmia microphylla subsp. microphylla John Thomas Howell 1937-7-24 13410 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC22414  Kalmia polifolia J. O. Sawyer 1969-6-13 942 Siskiyou W of Little Duck Lake 2043 Comment
  HSC4847  Kalmia polifolia J. O. Sawyer 1968-7-9 427 Siskiyou W of Little Duck Lake. 1936 Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  CAS-BOT-BC94868  Kelloggia galioides R. C. Wenk 2008-7-24 928 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road 1889 Comment
  JEPS82322  Kelloggia galioides Roger Raiche 1982-7-8 20589 A Siskiyou above Lily Pad Lake; Cook and Green Pass 1828 Comment
  POM68801  Kelloggia galioides Geo. D. Butler 1910-7-9 1707 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC273775  Koeleria pyramidata Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  CAS-BOT-BC499656  Kopsiopsis strobilacea Thos. H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground north of Happy Camp on Indian Creek road 1219 Comment
  RSA0103865  Kopsiopsis strobilacea B. Templeton 1964-6-9 10176 Siskiyou Slope of Mt. Shasta. Comment
  HSC69095  Kyhosia bolanderi Maralyn A. Renner 1980-8-4 2222 Siskiyou Flint Valley 1390 Comment
  CDA7517  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 miles northeast of Macdoel. 0 Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  JEPS94783  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald and Lowell Ahart 1998-8-3 9408 Siskiyou 11.5 mi w of Gazelle (USFS 41N03 1.0 mi e of its junction with Gazelle-Callahan Road) 1524 Comment
  OBI76917  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 272 Comment
  CDA27123  Lathyrus lanszwertii G. Deal 1964-6-3 Siskiyou Lumber mill, Dorris, Butte Valley. 0 Comment
  UC536682  Layia glandulosa D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne Weed 1097 Comment
  RSA659519  Ledum glandulosum Gary D. Wallace 1990-7-1 2956 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  UC1101299  Lemna turionifera Verne Grant, Irving Schneider 1947-8-26 8292 Siskiyou Tule Lake Comment
  CAS-BOT-BC88860  Lepidium campestre Ira L. Wiggins 1950-5-27 12355 Siskiyou Banks of east fork of Scott River at Callahan Ranger Station. 975 Comment
  RSA45314  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman s Valley. 1128 Comment
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  SEINET516322  Lepidium latifolium Vernon H. Oswald 1998-9-16 9646 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CAS-BOT-BC89828  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  HSC81974  Lepidium virginicum var. virginicum Barry Silver 1986-5-24 604 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  RSA529966  Leptosiphon harknessii D. W. Taylor 1987-6-23 9050 Siskiyou Modoc Plateau: Mud Well 1394 Comment
  RSA429772  Lesquerella occidentalis Christopher Davidson 1975-6-5 2696 Siskiyou 0.7 mile on dirt road departing NE directly from Scott Mtn Summit. 1738 Comment
  RSA44881  Lessingia nemaclada J. C. Roos 1948-9-1 3938 Siskiyou Fort Jones Comment
  UC1287434  Lessingia nemaclada John Weiler and A. P. Nelson 1960-6-26 60225 Siskiyou 2.2 mi nw second bridge across Salmon River (nw of town of Forks of Salmon, on banks of rive); Salmon River Comment
  CHSC298  Leucanthemum vulgare N. Jaekel 1939-6-27 Siskiyou Mt. Shasta. 2133 Comment
  UC1034604  Leucanthemum vulgare Douglas Barbe 1955-6-29 46 Siskiyou 1.8 mi e of Callahan; Scott River 975 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC508376  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  JEPS74505  Leucothoe davisiae W. J. Ferlatte 1966-8-3 279 Siskiyou Trinity Alps, Josephine Lake basin Josephine Lake basin; Trinity Alps, Josephine Lake basin 1676 Comment
  UC1299367  Lewisia cotyledon var. cotyledon Freed W. Hoffman 1950-7-13 4011 Siskiyou Baldy Mt. Comment
  CAS-BOT-BC444042  Lewisia cotyledon var. cotyledon Lester Rowntree 1937-7-27 s.n. Siskiyou Caribou Lakes, Siskiyou Lakes [County?] Comment
  HSC77067  Lewisia leeana K. T. Stillman 1976-6-26 134 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  CAS-BOT-BC444080  Lewisia leeana Lester Rowntree 1931-7-26 s.n. Siskiyou Caribou Lakes Comment
  SEINET4176732 Image available Lewisia leeana Sally Walker 1982-7-17 Siskiyou Alex hole Klamath National Forest 2134 Comment
  CAS-BOT-BC444577  Lewisia triphylla C. L. Hitchcock; J. S. Martin 1939-7-9 5337 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  CAS-BOT-BC444581  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  UC817326  Leymus cinereus L. E. Smith July 1915 Siskiyou Bray Comment
  RSA105444  Leymus condensatus Milo S. Baker 1955-6-27 13087 Siskiyou Klamath Mountains; Highway 99 4 mi. S of Gazelle 915 Comment
  RSA602819  Leymus triticoides L. C. Wheeler 1935-6-2 3543 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  HSC69013  Ligusticum californicum Maralyn A. Renner 1980-7-24 2028 Siskiyou Lily Pad Lake 1768 Comment
  HSC66238  Lilium bolanderi Maralyn A. Renner 1980-9-1 2736 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC130812  Lilium pardalinum H. A. Thomas; J. H. Thomas 1954-7-21 4412 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC164415  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  CAS-BOT-BC130824  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  UCSB22058  Lilium pardalinum Keefe, Joseph 1967-7-11 Siskiyou North edge of the town of Mt. Shasta 1085 Comment
  HSC69228  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-31 2616 Siskiyou Twin Valley. 1494 Comment
  HSC68307  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-4 1411 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  JEPS80522  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou along first bluff Marble Gap Trail; Marble Mt. Wilderness Area 1828 Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  HSC567  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1967-7-25 720 Siskiyou Caribou Basin 1982 Comment
  SEINET14405890  Linanthus pungens G. D. Butler 1910-7-8 1688 Siskiyou Shackleford Creek Comment
  POM204108  Linanthus pungens subsp. pulchriflorus J. T. Howell 1934-7-4 12400 Siskiyou SE corner of Siskiyou County Comment
  CDA6297  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-3 4645 Siskiyou Juniper Lodge, Highway 97, ca. 6 miles south of Macdoel. 0 Comment
  UC22857  Linnaea borealis var. longiflora C. B. Bradley 1879-1 Siskiyou near Mt. Shasta; near Mt. Shasta Comment
  RSA187335  Linum lewisii H. A. Thomas, John H. Thomas 1954-7-25 4538 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  UC922413  Linum lewisii Annie M. Alexander and Louise Kellogg 1949-7-29 5889 Siskiyou above Sky High Lake (Marble Mountains, Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  UC609319  Linum lewisii Eleanor Burks Hart 1938-8-18 902 Siskiyou upper edge of Big Meadow Big Meadow 2286 Comment
  UC70413  Lithocarpus densiflorus Milo S. Baker Jul 1899 Siskiyou Shasta Springs Comment
  CAS-BOT-BC36544  Lithocarpus densiflorus var. echinoides P. C. Everett; E. K. Balls 1954-10-10 20262 Siskiyou road to Castle Lake from town to Mt. Shasta, 0.5 mi s. of jct to Ney Springs 1127 Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 Comment
  CAS-BOT-BC36541  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  CAS-BOT-BC435473  Lithophragma glabrum Ira L. Wiggins 1959-5-28 12389 Siskiyou .3 mi. W of Carmen Lake 1706 Comment
  CAS-BOT-BC435478  Lithophragma glabrum Grace Wood 1919-4-1 s.n. Siskiyou Yreka Comment
  HSC71190  Lolium perenne M. A. Baker 1980-6-20 2223 Siskiyou Near Bald Mtn. 1036 Comment
  UCD66463  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou Abrams Lake, near Sisson. Comment
  RSA603010  Lolium perenne subsp. multiflorum L. C. Wheeler 1935-6-2 3544 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  SEINET7073519  Lomatium congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  JEPS101763  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  POM211470  Lomatium macrocarpum L. C. Wheeler 1934-6-18 2729 Siskiyou West Fork Cottonwood Creek. 1509 Comment
  SDSU2236  Lomatium marginatum D. F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada. 1219 Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC43384  Lomatium nudicaule Maralyn O'Meara 1974-5-26 460 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  UC337583 Image available Lomatium plummerae unknown 1889-6-28 40 Siskiyou near Shasta Comment
  UC165428  Lomatium vaginatum Geo. D. Butler Apr 18 1909-Apr 30 1909 624 Siskiyou near Yreka Comment
  RSA45333  Lonicera ciliosa Dorothy Parker 1947-5-28 185 Siskiyou Gazelle mountains. Comment
  RSA47618  Lonicera ciliosa Roxana S. Ferris, Laura Lorraine 1948-6-12 11731 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  HSC4899  Lonicera conjugialis J. O. Sawyer 1968-7-23 621 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  CAS-BOT-BC240840  Lonicera interrupta L. R. Short 1933-6-16 44 Siskiyou Klamath National Forest. S. side of Klamath R. 609 Comment
  POM46730  Lonicera interrupta E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon. Comment
  HSC31963  Lonicera involucrata var. ledebourii Steve Selva, Roger Jensen 1974-8-16 13 Siskiyou N shore of Sugar Lake. Comment
  JEPS16301  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  UC454695  Lotus crassifolius var. crassifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat, along S.P.R.R. Comment
  UC637052  Lotus crassifolius var. crassifolius Edward Lee 1934-8-13 1059 Siskiyou Happy Camp-Waldo (Oregon) Road, watershed of West Branch of Indian Creek Klamath National Forest 1219 Comment
  CDA27213  Lotus humistratus D. Osterhandt, Don Shaw 1978-5-18 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  UC80949  Lotus nevadensis var. nevadensis Katharine Brandegee Jul 1887 Siskiyou Sisson 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
  UC454690  Lotus purshianus var. purshianus I. J. Condit 1911-7-31 Siskiyou Shasta Retreat, along R.R. Shasta Retreat Comment
  RSA406294  Lotus unifoliolatus J. P. Smith, Steve Selva 1970-7-15 4351 Siskiyou Klamath National Forest; road to Happy Camp. 732 Comment
  POM27595  Lotus wrangelianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC140213  Luetkea pectinata G. J. Muth 1969-8-10 1330 Siskiyou Ridge w. of Boulder Peak 2346 Comment
  CAS-BOT-BC140248  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  HSC64941  Luetkea pectinata D. L. Goforth 1979-7-19 265 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, upper lake area 2104 Comment
  JEPS50868  Luetkea pectinata Al Hobart 1967-8-8 Siskiyou n side Preston Peak Comment
  JEPS82111  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  UC1045291  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-6-7 15108 Siskiyou along the Pacific Highway near Black Butte; near Black Butte Comment
  UC865447  Lupinus albicaulis var. shastensis John Thomas Howell 1939-8-7 15115 Siskiyou Sky High Valley; Marble Mts., Sky High Valley 1828 Comment
  CHSC67492  Lupinus albifrons James D. Jokerst 1992-7-30 3422 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  CAS-BOT-BC195956  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  CAS-BOT-BC196326  Lupinus albifrons var. flumineus Elmer I. Applegate 1923-9-6 3940 Siskiyou Klamath River near mouth of Scott River Comment
  SEINET10484556  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6974 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  HSC22260  Lupinus breweri J. O. Sawyer 1969-7-11 1341 Siskiyou Se facing slope above S Sugar Creek 1753 Comment
  CAS-BOT-BC215189  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  UCD19435  Lupinus croceus Charlotte K. Glenn 1967-1 158 Siskiyou Castle Lake. 1584 Comment
  UCSB24793  Lupinus croceus Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile north of Castle Lake; 10 miles southwest of town of Mt. Shasta 1676 Comment
  LA205109  Lupinus croceus Carl Epling; 1940-6-6 sn Siskiyou Klamath Mountains, Castle Lake Road Comment
  RSA211162  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  SD125491  Lupinus croceus var. croceus P. Kenney, M. L. Conrad, D. B. Dunn 1973-6-4 384 Siskiyou 6.4 miles west of Callahan, on steep roadbank along road from Cecilville to Callahan 1737 Comment
  RSA413558  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1606 Siskiyou Near Hornbrook. Comment
  CAS-BOT-BC202057  Lupinus lapidicola Marck Menke 1999-7-9 65 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  SEINET10577542 Image available Lupinus lapidicola A. Arthur Heller 1920-7-9 Heller 13422 Siskiyou High up on the bare eastern slope of Mt. Eddy in coarse gravel. Hudsonian zone, the trees of Pinus albicaulis few and scattered. Comment
  HSC31141  Lupinus latifolius subsp. latifolius J. O. Sawyer 1971-8-19 2457 Siskiyou 2012 Comment
  UC162165  Lupinus latifolius var. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC59016  Lupinus lepidus Marvin Butler 1971-7-20 178 Siskiyou Near El Capitan Lake, close to Cave Junction 1464 Comment
  JEPS86069  Lupinus lepidus var. sellulus Wayne Roderick 1966-6-26 Siskiyou just e Cook and Green Pass; e of Cook and Green Pass area 1371 Comment
  UC865268  Lupinus lepidus var. sellulus C. L. Hitchcock and J. S. Martin 1939-7-9 5323 Siskiyou 1/2 mi se King's Castle (Marble Mts.); , se of King's Castle 1828 Comment
  CHSC20640  Lupinus luteolus Robert A. Schlising 1963-6-6 2609 Siskiyou Along road to Hilt from Hwy. 99, in northern part of county. 914 Comment
  HSC45897  Lupinus luteolus Laura Witherspoon 1978-8-2 10 Siskiyou Klamath National Forest Comment
  RSA413775  Lupinus luteolus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka Comment
  JEPS105207  Lupinus microcarpus var. microcarpus Dean W. Taylor 1995-6-4 14962 Siskiyou 2 miles southeast of Montague; Shasta Valley Wildlife Management Area; Little Shasta River 853 Comment
  SBBG45486  Lupinus obtusilobus H. and M. Dearing 1948-9-12 6728 Siskiyou Mount Shasta 2316 Comment
  RSA109355  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  SEINET11072098 Image available Lupinus onustus A. A. Heller 1905-1 21994 Siskiyou Near Sisson Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  RSA183652  Lupinus polyphyllus subsp. superbus Gilbert Muth 1965-8-6 188 Siskiyou Marble Mountains; backside of Black Mountain Comment
  POM228985  Lupinus sellulus subsp. sellulus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 Comment
  HSC41639  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-9-2 1760 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  SEINET10490229  Lupinus sellulus var. artulus H. Dearing, M. Dearing 1939-6-5 Dearing 3552 Siskiyou Mccloud. Wet places. 1067 Comment
  HSC65585  Lupinus sellulus var. lobbii Donald W. Miles 1979-7-27 26 Siskiyou Big Sand Flat, 2 mi. E of Harris Springs Rd., 10 mi. NE of Bartle. 1393 Comment
  SD46405  Lupinus sellulus var. ursinus E. K. Balls, L. W. Lenz 1956-6-18 21799 Siskiyou 7.5 miles southeast of Weed, U. S. Highway 99. 1219 Comment
  SEINET10491001  Lupinus vallicola subsp. vallicola Katherine L. Morris Morris s.n. Siskiyou Found along roadside .7 mi s of jct at etna rd on hwy 3. Comment
  HSC660  Luzula comosa William J. Ferlatte 1967-7-8 675 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  UC909343  Luzula macrantha Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmel Lake, ca 1.5 mi E of Scott Mountain Road 1737 Comment
  SEINET2121893  Machaeranthera canescens M. L. Carson 1968-12-8 1293 Siskiyou US Highway 97, 1.4 mi N of Macdoel and 8.5 mi S of Dorris, between the highway and the railroad 1250 Comment
  RSA639487  Machaeranthera canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta - Lake Siskiyou - Gumboot Lake. South Fork (Sacramento River) Road 1340 Comment
  RSA13893  Machaeranthera shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
Read comments Aug 14 2017
  POM362228  Madia citriodora M. B. Dunkle 1944-6-25 9022 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC2256  Madia elegans Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  HSC43138  Madia elegans Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  UC165972  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  CAS-BOT-BC344545  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  HSC77238  Madia gracilis L. P. Janeway 1983-7-12 412 Siskiyou Along dirt roadside: Rd. 19N07 ca. 4 mi. N of Indian Cr. Rd. 1006 Comment
  POM267999  Madia gracilis subsp. gracilis W. Bridge Cooke 1938-8-5 11440 Siskiyou MacBride Springs, Mount Shasta 1524 Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  RSA24233  Mahonia aquifolium C. B. Wolf 1940-12-12 9798 Siskiyou Siskiyou Mts. 7 mi. above Oak Knoll ranger station on rd. to Dry Lake Lookout. 1372 Comment
  HSC18911  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-10 472 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC18981  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-8-4 1923 Siskiyou South Sugar Creek 2043 Comment
  HSC58936  Maianthemum racemosum subsp. amplexicaule Marvin Butler 1971-7-5 15 Siskiyou Near El Capitan Lake 1738 Comment
  HSC69512  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-7-14 1722 Siskiyou Near road at switchback, headwaters of Etna Creek 1707 Comment
  HSC27662  Maianthemum racemosum subsp. amplexicaule Carl W. Mize 1972-6-22 92 Siskiyou Cut bank 1/2 way up Offield Mtn. 1006 Comment
  RSA262384  Maianthemum racemosum subsp. amplexicaule J. M. Tucker, L. K. Mann 1963-7-7 3720 Siskiyou Ca. 1/4 mile north of Paradise Lake, east side of King s Castle, Marble Mountain Wilderness Area 1982 Comment
  HSC62003  Maianthemum stellatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 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
  UCD134462  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  CHSC91361  Medicago lupulina Lowell Ahart; John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UCD86259  Melica aristata P. B. Kennedy 1923-7-29 s.n. Siskiyou S. West of Sisson. Comment
  CAS-BOT-BC271213  Melica bulbosa Jason Swallen 1939-7-21 13735 Siskiyou Above Wagon Camp, Mount Shasta 1767 Comment
  LA12125  Melica californica Jason Swallen; 1939-7-21 13735 Siskiyou Mount Shasta, above Wagon Camp 1767 Comment
  UCD88598  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3447 Siskiyou 11 miles north of Happy Camp, banks of Indian Creek. Comment
  UCD88682  Melica subulata H. S. Yates 1936-6-20 5799 Siskiyou Siskiyou Summit. 1371 Comment
  JEPS94679  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Hwy 97 between Weed and Macdoel (at w end of lake); Grass Lake 1524 Comment
  CHSC32900  Mentha spicata J. P. Smith; Steve Selva 1970-7-17 4439 Siskiyou Roadside and stream bank in farming area. 914 Comment
  SFV2373  Mentzelia albicaulis A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Road, north of junction with Highway 97. 915 Comment
  UC583414  Mentzelia laevicaulis var. laevicaulis Elmer I. Applegate 1923-9-6 3938 Siskiyou 12 mi below mouth of Shasta River; Klamath River Comment
  CAS-BOT-BC428545  Micranthes aprica G. J. Muth 1969-8-10 1323 Siskiyou Ridge w. of Boulder Peak Comment
  CAS-BOT-BC429152  Micranthes odontoloma G. J. Muth 1969-8-12 1377 Siskiyou Second Valley Comment
  LA208998  Micranthes tolmiei Lincoln Ellison; 1928-9-11 506 Siskiyou Mount Shasta, SW slope of mtn 2895 Comment
  UC829638  Microseris nutans John Thomas Howell 1937-7-22 13266 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  CAS-BOT-BC349380  Microseris nutans Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  HSC27506  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC909471  Mimulus arvensis J. H. Thomas 1949-6-16 939 Siskiyou 10 mi n Gazelle Comment
  UC705715  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi down river from mouth Beaver Creek (n side of river); Klamath River Comment
  UCD122627  Mimulus floribundus Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  HSC61895  Mimulus guttatus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC144522  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson Comment
  UC609342  Mimulus guttatus Eleanor Burks Hart 1938-8-25 947 Siskiyou Upper Wright Lake 2225 Comment
  JEPS8209  Mimulus layneae W. L. Jepson 1914-8-14 6169 Siskiyou Dunsmuir 670 Comment
  RSA434638  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Summit Trail. Marble Mountains. Klamath National Forest. Comment
  UC1409381  Mimulus moniliformis Frederick W. Oettinger 1968-8-11 478 Siskiyou just below spring Tom Taylor Cabin (High Lakes Basin in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2048 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
  HSC72407  Mimulus moschatus J. P. Smith, Steve Selva 1970-7-27 4510 Siskiyou Gumboot Lake 1768 Comment
  UC722669  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  UC796452  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11717 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowmans Valley (Noyes Valley) Comment
  HSC20785  Mimulus nanus var. nanus R. C. Wunner 1965-6-7 122 Siskiyou California Lava Beds National Monument; Near Dragon Head Cave 1357 Comment
  HSC36560  Mimulus primuloides J. O. Sawyer 1969-8-5 1732 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  RSA423560  Minuartia douglasii Christopher Davidson 1975-6-5 2662 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  RSA576935  Minuartia douglasii L. C. Wheeler 1934-6-4 2640 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  CAS-BOT-BC174732  Minuartia nuttallii Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  JEPS111028  Minuartia nuttallii subsp. gregaria Sue Pappalardo 1997-8-9 974 Siskiyou Mt. Shasta Ranger District; Mt. Eddy. On trail to summit, about halfway from saddle to summit. 2740 Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  UC375336  Minuartia pusilla Geo. D. Butler 1909-4-25 619 Siskiyou Quartz Valley 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
  RSA276601  Mirabilis greenei George Pilz 1972-5-29 800 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  POM141790  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  RSA238320  Mitella pentandra Frederick W. Oettinger 1967-8-5 240 Siskiyou Wet meadow 1/8 mile N of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  JEPS49690  Mitella trifida Harley P. Chandler June, 1901 1555 a Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA238328  Mitella trifida Frederick W. Oettinger 1969-8-12 1346 Siskiyou Below Abbotts Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  UC162893  Moehringia macrophylla Harley P. Chandler June, 1901 1568 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1828 Comment
  JEPS84202  Monardella L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6296 Siskiyou just s State line (Indian Creek Road from Takilma to Happy Camp) 1420 Comment
  CAS-BOT-BC221811  Monardella odoratissima D. E. Breedlove 1961-7-5 699 Siskiyou On boundary of Klamath National Forest and California-Oregon state line along O'Brien to Happy Camp Road; Siskiyou Mtns 1584 Comment
  CHSC4557  Monardella odoratissima J. E. Bowlin 1967-7-18 73 Siskiyou Off roadside, ca. 3.4 mi w of Mount Shasta Ski Bowl. 2164 Comment
  SEINET3996519 Image available Monardella odoratissima R. Tofsrud, J. M. Tucker 1948-8-2 1757 Siskiyou Ca. 2 miles south of McCloud Comment
  RSA12493  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC1190245  Monardella odoratissima subsp. glauca Ira L. Wiggins 1955-7-29 13578 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); Trinity Alps 1999 Comment
  UC1540136  Monardella odoratissima subsp. glauca Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9264 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument 1499 Comment
  UC932681  Monardella odoratissima subsp. glauca W. Bridge Cooke 1949-8-26 25665 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  UC2035914  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-7-12 15349 Siskiyou Along the Sisson Southern Trail near the S. S. Trail spring, Mount Shasta Comment
  UC54604  Monardella odoratissima subsp. pallida H. M. Hall and E. B. Babcock June, 1903 4127 Siskiyou Dead Horse Canyon Sierra Nevada Mountains 1524 Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  JEPS11899  Monardella odoratissima subsp. pallida Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4785 Siskiyou at summit of road between Takilma and Happy Camp (exactly at boundary of Siskiyou and Klamath National Forest); Del Norte - Sikiyou Co. Line 1554 Comment
  RSA211083  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  HSC43026  Monotropa hypopitys J. O. Sawyer, K. T. Stillman 1976-7-2 2798 Siskiyou Ridges E of the Little N Fork Trail 732 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
  POM101974  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Dampland Orr. Comment
  RSA211297  Montia parvifolia William J. Ferlatte 1966-7-7 220 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  SEINET7098050  Montia parvifolia Barbara L. Wilson 1994-5-27 6918 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  UCD86503  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  CHSC69101  Muhlenbergia richardsonis Vernon Oswald; Lowell Ahart 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi south of Medicine Lake Rd. on Forest Route 15. At the edge of a meadow. 1905 Comment
  SEINET515861  Muhlenbergia richardsonis Vernon H. Oswald 1998-9-8 9605 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. west of Mosquito Lake and Whitehorse Flat Reservoir 1113 Comment
  CDA34725  Myosotis laxa L. Ahart, John Dittes 2010-7-3 16944 Siskiyou About 30 yards south 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. Comment
  JEPS32025  Nama densa W. B. and V. G. Cooke 1963-7-10 34266 Siskiyou in Bolam logging Road , Bolam logging Road (n side Mt. Shasta) 1828 Comment
  CHSC26189  Nama lobbii J. P. Kroessig 1977-8-5 56 Siskiyou Ca 11 km e on Everitt Memorial Hwy, ca 13 km ssw of Mt. Shasta Peak. 1640 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
  HSC60911  Narthecium californicum Al Hobart 19 Jul [year missing] Siskiyou Black Butte Comment
  RSA26220  Navarretia divaricata J. T. Howell 1937-7-27 13572 Siskiyou Salmon River near Big Flat 1524 Comment
  CDA37848  Navarretia intertexta Jodi Aceves 2012-7-16 PDR# 470 P027567 Siskiyou Hawkinsville. 0 Comment
  UC164096  Navarretia tagetina Geo. D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills Goosenest 1524 Comment
  CAS-BOT-BC219533  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
  RSA43881  Nepeta cataria H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  SEINET516296  Nepeta cataria Vernon H. Oswald 1998-9-16 9636 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  CAS-BOT-BC60572  Noccaea fendleri subsp. glauca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains. Road to Mumbo Basin. 1889 Comment
  CAS-BOT-BC65379  Noccaea fendleri subsp. glauca R. C. Wenk 2008-7-24 935 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge south of lake. 1981 Comment
  HSC593  Noccaea fendleri subsp. glauca William J. Ferlatte 1967-6-30 585 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC65269  Noccaea fendleri subsp. glauca Rich White 1978-7-6 249 Siskiyou Pond above Elk Hole 1524 Comment
  CAS-BOT-BC60587  Noccaea fendleri subsp. glauca L. B. Kildale 1929-5-31 9154 Siskiyou Salmon River. Comment
  CHSC69838  Nothochelone nemorosa J. O. Sawyer 1969-7-24 1457 Siskiyou Northeast facing slope above Sugar Lake. 1783 Comment
  HSC19328  Nothochelone nemorosa J. O. Sawyer 1969-8-4 1816 Siskiyou Above Sugar Lake 2134 Comment
  NY790536  Nothochelone nemorosa A. M. Carter 1939-8-21 1468 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164.1 Comment
  UC637030  Nothochelone nemorosa Edward Lee 1934-8-13 1089 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  UC1409398  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou West of the west cove of Hancock Lake (Lily Pond (a fifty foot pond), vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  SEINET184866 Image available Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-1 5273 Siskiyou Whiskey Lake, 0.5 mi above Camp Chicago, on Sanger Peak Trial 1463 Comment
  UC224019  Oenothera elata subsp. hirsutissima Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2520 Siskiyou Mt. Shasta and vicinity Comment
  RSA52140  Olsynium douglasii Dorothy Parker 1948-4-11 s.n. Siskiyou Low foothills near Etna 915 Comment
  HSC36953  Olsynium douglasii var. douglasii J. P. Smith 1974-5-26 7566 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET13694638 Image available Onopordum tauricum T. C. Fuller 1960-7-26 s.n. Siskiyou Wedge Mesia Lake Basin, SW. of Doris Comment
  CAS-BOT-BC355592  Oreostemma alpigenum var. andersonii Doris K. Kildale 1928-8-19 6520 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC22131  Oreostemma alpigenum var. andersonii J. O. Sawyer 1969-8-5 1747 Siskiyou W of Little Duck Lake 2073 Comment
  HSC71106  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4503 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS109703  Oreostemma alpigenum var. andersonii Dean W. Taylor 2002-7-20 18264 Siskiyou Forest Road 17 ca. 6 miles west (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  JEPS121625  Oreostemma alpigenum var. andersonii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  HSC22173  Orobanche uniflora J. O. Sawyer 1969-7-1 990 Siskiyou Above Paynes Lake Creek 1951 Comment
  JEPS84046  Orogenia fusiformis L. R. Heckard with J. Hickman et al. 1986-7-17 6547 Siskiyou ca. 1 mi. n.e. Buckhorn 2100 Comment
  UC923119  Orogenia fusiformis Freed W. Hoffman 1950-7-13 3288 Siskiyou western Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  CHSC71577  Orthilia secunda Vernon H. Oswald; Lowell Ahart 1998-8-3 9431 Siskiyou Near the Pacific Crest Trail in the Scott Mtns., west of Kangaroo Lake. 1981 Comment
  HSC19213  Orthilia secunda J. O. Sawyer 1968-9-10 685 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC61869  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC458074  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Mts.: Marble VAlley 1828 Comment
  CAS-BOT-BC458077  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  RSA0083200  Orthilia secunda H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4421 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  HSC91017  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1976-7-9 1394 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  RSA183421  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  RSA237568  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -b Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC195192  Orthocarpus cuspidatus subsp. copelandii Annie M. Alexander and Louise Kellogg 1911-7-16 256 Siskiyou S Fk Salmon River Comment
  HSC38448  Osmorhiza berteroi Maralyn A. Renner 1980-6-26 1214 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC91159  Osmorhiza berteroi Jennifer Whipple 1976-7-9 1407 Siskiyou N facing slopes in the Eddy Creek drainage 2195 Comment
  UCD127764  Osmorhiza purpurea J. M. Tucker; L. K. Mann 1963-7-5 3700 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC413219  Oxyria digyna Annie M. Alexander; Louise Kellogg 1949-7-22 5836 Siskiyou Trail to Kings Castle. Paradise Lake, Marble Mountains 1920 Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. Eddy 2500 Comment
  HSC24638  Packera cana J. W. Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument, lava slopes Comment
  RSA155856  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  UCD88589  Panicum acuminatum var. fasciculatum R. Tofsrud 1948-8-1 s.n. Siskiyou Edge of Happy Camp. Comment
  CAS-BOT-BC175507  Parnassia fimbriata J. P. Smith; J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1859 Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  RSA238305  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC175606  Parnassia palustris Wm. Bridge Cooke 1939-8-24 13898 Siskiyou Throughout the area of Squaw Valley Creek meadows Comment
  RSA459070  Pastinaca sativa L. C. Wheeler 1935-7-4 3653 Siskiyou Yreka 800 Comment
  CAS-BOT-BC202836  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 mi. so. of Mt. Shasta City 1066 Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  CAS-BOT-BC202862  Paxistima myrsinites Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  UC1608338  Paxistima myrsinites J. Kierstead 1990-5-8 90 -61 Siskiyou McCloud Ranger District, Lower Falls of McCloud River Shasta-Trinity Nat'l Forests, McCloud Ranger District 975 Comment
  UC719806  Paxistima myrsinites Rogers McVaugh 1941-8-4 6235 Siskiyou banks of Sacramento R. n. of Shasta Retreat Comment
  RSA120709  Pedicularis attollens S. S. Tillett 1956-7-11 686 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  CAS-BOT-BC266638  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6573 Siskiyou Hancock Lake, on trail to Marble Mountains 2133 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
  UC220831  Pedicularis densiflora H. E. Brown Jun 11 1897-Jun 16 1897 356 Siskiyou northside Mount Shasta 1524 Comment
  UCD77904  Pedicularis semibarbata Robert E. Preston 2001-6-30 1668 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1798 Comment
  CAS-BOT-BC67685  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Marble Mountain - Near summit of Cayenne Ridge on south side. Comment
  UC185226  Pellaea breweri Geo. D. Butler 1910-7-9 1718 Siskiyou Marble Mt 1676 Comment
  UC1012498  Penstemon anguineus Francis W. Pennell 1940-7-17 26175 Siskiyou w Etna (northeastern slope Salmon Mts.); , w of Etna 1981 Comment
  UC1483515  Penstemon anguineus John Palmer 1980-8-13 757 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  SEINET3160236  Penstemon californicus G. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
Read comments Jul 30 2019
  CHSC69094  Penstemon cinicola Vernon Oswald; Lowell Ahart 1997-7-28 8786 Siskiyou Southwest of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  HSC75654  Penstemon cinicola J. O. Sawyer, R. J. Cole 1980-7-21 3710 Siskiyou W end of Medicine Lake Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC265371  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou Crest of Redshale Mountain, Medicine Lake region 2438 Comment
  CAS-BOT-BC265384  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain 2164 Comment
  JEPS23288  Penstemon davidsonii var. davidsonii Rimo Bacigalupi 1959-7-1 7185 Siskiyou Pumice fields just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, southwestern slopes of Mt. Shasta); southwestern slopes of Mt. Shasta 2346 Comment
  JEPS18959  Penstemon deustus Rimo Bacigalupi with L. Constance and M. Hiroe 1956-6-9 5695 Siskiyou 1.5 mi nw Weed (along U.S. Highway 99, southern limits of Shasta Valley); southern limits of Shasta Valley 975 Comment
  RSA401793A  Penstemon deustus James Payne Smith 1976-5-4 8663 Siskiyou Eastern boundary of Klamath National Forest along State Route 96; rocks above Klamath River. 610 Comment
  JEPS11266  Penstemon gracilentus W. L. Jepson 1894-8-4 21430 Siskiyou half-way up Mt. Shasta between Sisson sta. and Horse Camp; half-way up Mt. Shasta btw Sisson sta. and Horse Camp Comment
  JEPS11273  Penstemon gracilentus W. L. Jepson 1940-6-27 20035 Siskiyou e slope Mt. Shasta 1828 Comment
  NY600745  Penstemon gracilentus D. D. Keck 1927-8-16 305 Siskiyou 4 miles east of Mt. Shasta City (Sisson) on west flank of Mt. Shasta. 1611.2 Comment
  UC1483496  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3882 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  UC887038  Penstemon gracilentus Alice Eastwood 1912-7-19 1229 Siskiyou Mount Shasta Comment
  RSA408035  Penstemon gracilentus Cora Mae Life 1923-08 14590 Siskiyou Mt. Shasta Comment
  RSA79004  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-13 18192 Siskiyou Mt Shasta, 10.4 miles NE of town of Mt Shasta on John Everitt Memorial Hwy up Mt Shasta. 1829 Comment
  JEPS109828  Penstemon heterodoxus var. shastensis Dean W. Taylor 2005-7-14 19403 Siskiyou Wagon Camp, along Forest Road 40N25, Panther Creek Drainage, Mount Shasta 1685 Comment
  JEPS11461  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou Goosenest Mountain Comment
  SBBG51817  Penstemon heterodoxus var. shastensis C. Bornstein 1996-6-29 Siskiyou Grass Lake Rest Stop 1531 Comment
  HSC20973  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 155 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  CHSC93546  Penstemon laetus var. sagittatus Lowell Ahart; John Dittes 2005-6-9 12029 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
  UC54634  Penstemon laetus var. sagittatus H. M. Hall and E. B. Babcock June, 1903 4030 Siskiyou Sacramento River near Dunsmuir; Upper Sacramento Valley, Sacramento River 609 Comment
  UC585180  Penstemon laetus var. sagittatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1953 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on highway from Bray to Weed); n slope Mt. Shasta, s of Sheep Rock 1249 Comment
  UC61196  Penstemon laetus var. sagittatus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing , Sisson 18th Crossing (Mount Shasta) Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  CAS-BOT-BC239337  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 263 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  JEPS15385  Penstemon newberryi var. berryi Douglas Barbe 1955-7-9 150 Siskiyou Kangaroo Lake, S side Scott Mountains 1828 Comment
  JEPS5713  Penstemon newberryi var. berryi W. L. Jepson 1907-7-11 2881 Siskiyou 12 mi S of Preston Peak (on divide between Onion Patch (E slope) and South Fork Smith River (W slope)); Klamath Range (= Siskiyou Mts., western part) Comment
  UC130622  Penstemon newberryi var. berryi H. M. Hall Jul 1909 8671 Siskiyou head of Salmon River 1645 Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  CHSC106848  Penstemon parvulus Barbara Ertter 1991-7-14 9311 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. 1676 Comment
  POM256008  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  UC1017676  Penstemon parvulus Marion Ownbey and Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2 1/2 mi nw Dry Lake Lookout (summit of the Siskiyou Mountains); , nw of Dry Lake Lookout Comment
  UC1034002  Penstemon parvulus Francis W. Pennell 1940-7-17 26171 Siskiyou w Etna (northeastern slope Salmon Mountains); , w of Etna 1828 Comment
  HSC19234  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-8-2 1701 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  POM42981  Penstemon roezlii Geo. D. Butler 1910-6-23 1601 Siskiyou Yreka Creek. Comment
  UC1542736  Penstemon roezlii Barbara Ertter with Thomas J. Delendick 1987-5-17 6974 Siskiyou 1.7 mi n S Fk Scott River bridge (w side Rt 3 n of Callahan); n of S Fk Scott River bridge 914 Comment
  CHSC71333  Penstemon rydbergii var. oreocharis Vernon H. Oswald; Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  POM257614  Penstemon sonomensis C. Leo Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak. 1780 Comment
  UC726669  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  UC796494  Penstemon speciosus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11729 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  SD46693  Penstemon speciosus E. K. Balls, L. W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi. se. of Weed, U.S. Hwy. 99 1219 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
Read comments Jun 12 2012
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA14390  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  SEINET7929362  Perideridia oregana L. Constance, T. I. Chuang; Fei-Mei Chuang; M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff.; 0 91 Comment
  CAS-BOT-BC419258  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  HSC68417  Phacelia corymbosa Maralyn A. Renner 1980-6-9 839 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UCR93351  Phacelia egena Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  UC1483480  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  UCR40022  Phacelia greenei C. Houseman, M. A. Strull, L. Linstedt 1984-5-26 68 Siskiyou (none given on label) 701 Comment
  JEPS2136  Phacelia hastata W. L. Jepson 1940-6-23 20012 Siskiyou n Mt. Shasta; Andesite sta. 975 Comment
  UC1034645  Phacelia hastata Milo S. Baker 1955-6-26 13077 Siskiyou between Weed and Gazelle; Shasta Val. 914 Comment
  SEINET11263923  Phacelia hastata subsp. hastata Lowell Ahart, Vernon H. Oswald 1994-8-10 6449 Siskiyou Pilgrim Creek Road (FS13) at the railroad crossing 0.9 miles N of Hwy 89, ca 3 air miles ENE of McCloud.; 0 Comment
  HSC13662  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou 2 mi. NW of Mt. Shasta City 1052 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
  CAS-BOT-BC145047  Phacelia leonis Rimo Bacigalupi; Mr. Van Deventer; Mrs. Van Deventer; Don Liles 1959-7-10 7296 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles n.ne. of Preston Peak; watershed of Indian Creek 1493 Comment
  UC144629  Phacelia linearis A. A. Heller 1905-6-22 8089 Siskiyou Igerna Comment
  UC1426026  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou dry stream banks just below Tom Taylor Cabin Spring; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 2042 Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  HSC86532  Phacelia mutabilis D. K. Imper 1987-6-9 Siskiyou 8 mi. E of Somes Bar, vicinity of Hanpress Meadows 1372 Comment
  HSC27678  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 35 Siskiyou Along trail before Dear Lick Creek 335 Comment
  UC2026473  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CAS-BOT-BC77412  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou Along Klamath River 1 mile above Hamburg 243 Comment
  CAS-BOT-BC77423  Philadelphus lewisii D. E. Breedlove 1962-6-10 3316 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad Comment
  CDA17141  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  CAS-BOT-BC250790  Phleum alpinum W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake Comment
  HSC694  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail, densely wooded canyon. 2134 Comment
  HSC39779  Phlox adsurgens J. P. Smith, Steve Selva 1970-7-16 4398 Siskiyou Blue Mtn. Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC1733804  Phlox diffusa Kay H. Beach, Frank Gould 1940-5-15 765 Siskiyou Bull Meadows. Comment
  RSA233661  Phlox douglasii subsp. rigida R. F. Thorne, Frederick W. Oettinger 1969-8-10 3900 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA262361  Phlox douglasii subsp. rigida Sandra Holloway 1963-4-10 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville 915 Comment
  UC1540131  Phlox gracilis Dean W. Taylor 1987-6-26 9078 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  JEPS93165  Phlox hirsuta Grant and Virginia Fletcher 1995-5-27 VGF 14 Siskiyou e. Yreka (China Hill, North-East Hill's Addition, w.-facing slope from Chinese Cemetery (Montague Rd.) on s. to crest & down to base of hill); Montague Quad. 1984, China Hill 900 Comment
Read comments Apr 3 2009
  SEINET3145518  Phlox hoodii subsp. canescens G. D. Butler 1910-3-13 1127 Siskiyou Klamath hills Comment
  SBBG6059  Phlox speciosa H. and M. Dearing 1939-6-30 3760 Siskiyou Callahan-Trinity Alps Rd 1828 Comment
  HSC49965  Phlox speciosa subsp. nitida Maralyn O'Meara 1974-5-25 435 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  SEINET10496959  Phlox speciosa subsp. nitida Mary Merello 1993-6-22 Merello 697 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  JEPS46197  Phlox speciosa subsp. occidentalis Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  RSA469942  Phlox speciosa subsp. occidentalis Christopher Davidson 1975-6-5 2652 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  CAS-BOT-BC135023  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  HSC29627  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  UC166486  Phyllodoce empetriformis Geo. D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek 1828 Comment
  CHSC91747  Physalis longifolia D. H. Shaw; T. C. Fuller 1977-8-30 20221 Siskiyou In field, south of Willow Creek Road, 17 km. northeast of Montague. Comment
  CAS-BOT-BC140611  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Klamath National Forest, Beaver Creek 975 Comment
  POM139827  Physocarpus capitatus E. B. Copeland 1903-6-9 3858 Siskiyou Mt. Eddy Comment
Read comments Jan 23 2011
  RSA666427  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UCSB24685  Physocarpus capitatus Favero, R. 1968-5-16 Siskiyou 13 miles from Somes Bar bridge toward Happy Camp, Salmon Mountains 487 Comment
  CAS-BOT-BC78170  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  JEPS83899  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-23 Siskiyou slope e Elk Lake (n of Red Butte) Comment
  UC1223745  Picea breweriana G. L. Stebbins Jr. 1963-7-5 Siskiyou ca 7 mi (airline) e Sawyer's Bar (creek is a tributary of Salmon River); Salmon Mountains, Blake's Fork of South Russian Creek 1615 Comment
  UC971915  Picea breweriana Herbert L. Mason 1950-7-16 14061 Siskiyou Road from Happy Camp <California> to Waldo, Oregon Comment
  UCD134306  Picea breweriana John M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC73388  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte. Comment
  SEINET10754906  Pinus albicaulis Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 873 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC336825  Pinus albicaulis unknown 1988-9-11 Siskiyou Mt. Shasta Comment
  UC1190165  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC78404  Pinus balfouriana W. R. Dudley 1905-8-4 s.n. Siskiyou slope of Mt. Eddy Comment
  HSC1364  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy near Deadfall Lake, Bulk Collection # 93 2226 Comment
  UC1272962  Pinus balfouriana J. M. Tucker and L. K. Mann 1963-8-18 3770 Siskiyou on saddle between Marble Mountain and southwest ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  UC1452402  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-6-30 Siskiyou Mount Eddy; slope 2270 Comment
  CAS-BOT-BC78495  Pinus contorta subsp. murrayana John Thomas Howell 1937-7-25 13470 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC1570  Pinus contorta var. murrayana R. C. Wunner 1965-8-22 471 Siskiyou Lava Beds National Monument Hidden Valley, closest end to Mammoth Crater 1585 Comment
  CHSC31368  Pinus jeffreyi G. Smalley 1967-7-1 Siskiyou Collected ca. 12 miles e of Callahan. 1524 Comment
  RSA184684  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mountains. 2043 Comment
  CAS-BOT-BC78957  Pinus monticola Doris K. Kildale 1928-8-19 6563 Siskiyou Hancock Lake trail to Marble Mt. 2133 Comment
  HSC31509  Pinus ponderosa Steve Selva, Roger Jensen 1974-8-26 59 Siskiyou Along Road 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  RSA68909  Piperia unalascensis A. E. Culbertson 1943-7-17 49 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  JEPS101569  Plagiobothrys hispidulus Dean W. Taylor 1999-6-9 17242 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS19681  Plagiobothrys hispidus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5930 Siskiyou a few mi se Weed (just w of Black Butte railway junction (S P Shasta Route)) 1188 Comment
  SBBG106810  Plagiobothrys nothofulvus K. L. Chambers, C. G. Carlbom 1962-4-21 2104 Siskiyou Hwy 99, 5.6 mi S of the center of Yreka Comment
  JEPS117461  Plantago eriopoda Lowell Ahart, John Dittes 2010-7-30 16967 Siskiyou About 10 yards south of the Shasta River, about 40 yards west of the pipe crossing the Shasta River, about 300 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 716 Comment
  RSA237608  Plantago lanceolata Frederick W. Oettinger 1969-8-15 1383 Siskiyou West of Upper English Lake where stock animals are grazed often. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC67923  Plantago major J. P. Smith, Steve Selva 1970-7-27 4515 Siskiyou Gumboot Lake 1768 Comment
Read comments Jun 7 2012
  CAS-BOT-BC136640  Platanthera Arthur Menzies 1962-7-21 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information 1706 Comment
  HSC46149  Platanthera dilatata var. leucostachys J. P. Smith, Steve Selva 1970-7-18 4491 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC97405  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-8-17 422 Siskiyou West slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadows 1646 Comment
  UCD138977  Platanthera dilatata var. leucostachys J. M. Tucker; D. V. Hemphill 1974-7-26 4291 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  UC375218  Platanthera hyperborea Geo. D. Butler 1909-7-20 Siskiyou Highland Mine Comment
  UC642559  Platanthera sparsiflora W. Bridge Cooke 1939-7-7 13612 Siskiyou Sedge Bog at Wagon Camp Mount Shasta 1737 Comment
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  UC726466  Platanthera sparsiflora A. A. Heller 1919-6-29 13283 Siskiyou near Wagon Creek Falls Comment
  UC61048  Plectritis brachystemon W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  CHSC32925  Plectritis congesta James P. Smith; Advanced Plant Taxonomy Class 1973-5-5 6519 Siskiyou Scott Bar along the Scott River. Comment
  JEPS84214  Pleuricospora fimbriolata L. R. Heckard with J. Hickman et al. 1986-7-17 6481 Siskiyou 0.2 mi w Cook and Green Pass; w of Cook and Green Pass 1465 Comment
  CAS-BOT-BC261041  Poa Gilbert Muth 1966-7-17 402 Siskiyou Trail to lookout, Marble Mts. 1828 Comment
  HSC30564  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  RSA239046  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD90281  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek. 1219 Comment
  UCD90664  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Eureka. Schumeyer Ranch (Geo. Gray.) Comment
  RSA211242  Poa compressa William J. Ferlatte 1966-6-23 139 Siskiyou along the Yellow Rose Mine Trail 1677 Comment
  HSC27349  Poa cusickii subsp. epilis J. P. Smith, Maralyn O'Meara, J. O. Sawyer 1972-7-3 5697 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  SEINET10508792  Poa fibrata Louis C. Wheeler 1935-6-30 Wheeler 3629 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  HSC76667  Poa pratensis K. T. Stillman 1976-7-23 303 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  SEINET10717135  Poa pratensis Paul M. Peterson 2006-8-9 Peterson 19764 Siskiyou E. Side of Taylor Lake, Russian Wilderness. Edge of woods, with Veratrum viride, Pteridium aquilinum, Alnus, Abies, Aconitum columbianum, Rumex acetosells, Solidago, Phleum alpinum, Danthonia, Deschampsia and Juncus. 1979 Comment
  UC1151684  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou summit between Bear Creek and Toad Lake; Shasta Nat'l Forest 2346 Comment
  UCD91769  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  CAS-BOT-BC255012  Poa secunda K. T. Stillman 1976-8-7 174 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  UCD90326  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3402 Siskiyou Canyon N of Willow Creek, 5 miles N of Gazelle. Comment
  CHSC86619  Poa secunda subsp. secunda Jenny Marr 1993-7-1 2 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC10245  Poa secunda subsp. secunda R. C. Wunner 1965-6-22 247 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  HSC68450  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1256 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC69703  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1263 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC796628  Poa secunda subsp. secunda Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11719 Siskiyou e fork of Scott River Schoolhouse Hill; Plowman's Valley [Noyes Valley] Comment
  UCD90998  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain. Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  JEPS84250  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  UC648289  Polemonium californicum John Thomas Howell 1939-8-9 15220 Siskiyou ridge s Marble Valley (Marble Mts.); , s of Marble Valley Comment
  RSA126049  Polemonium californicum I. L. Wiggins 1955-7-29 13574 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  JEPS43020  Polygala cornuta var. cornuta W. L. Jepson July, 1894 13574 Siskiyou Sisson Comment
  JEPS80505  Polygonum Gilbert Muth 1966-7-19 423 A Siskiyou Marble Mountain Wilderness Area, Horse pasture above camp Marble Mountain Wilderness Area 1798 Comment
  CAS-BOT-BC414175  Polygonum aviculare subsp. buxiforme Geo. D. Butler 1908-6-24 181 Siskiyou Unspecified Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  UC1733715  Polygonum bistortoides Frank Gould, Kay H. Beach 1940-5-15 1227 Siskiyou Bull Meadows Comment
  UC375154  Polygonum californicum Geo. D. Butler 1908-7-23 192 Siskiyou dry land near Yreka Comment
  UC1045312  Polygonum convolvulus W. Bridge Cooke 1940-7-12 15322 Siskiyou on Castle Lake road near Mount Shasta City Comment
  CAS-BOT-BC414587  Polygonum douglasii Wm. Bridge Cooke 1938-8-5 11447 Siskiyou Mount Shasta. MacBride Springs Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  JEPS105049  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1996-7-11 15787 Siskiyou Scott Mountains; ridge dividing West Fork Parks Creek drainage from Willow Creek drainage (about 15 air miles west of Weed & 3 air miles west of Stewart Springs); Shasta-Trinity National Forest 1828 Comment
  JEPS93857  Polygonum douglasii subsp. majus Vernon H. Oswald and Lowell Ahart 1998-6-11 9187 Siskiyou ne of Weed (2.2 mi ne of Lake Shastina-Big Springs Road, Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  UC1540158  Polygonum douglasii subsp. spergulariiforme Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; small vernal depression in indurate lava flow 1304 Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  UC454279  Polygonum douglasii subsp. spergulariiforme I. J. Condit July 1911 Siskiyou Dunsmuir Comment
  CDA17138  Polygonum phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  SDSU9659  Polygonum phytolaccifolium D. F. Howe 1965-8-8 4127 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  POM312532  Polygonum sawatchense subsp. oblivium H. L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  CAS-BOT-BC420952  Polygonum sawatchense subsp. sawatchense Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  CAS-BOT-BC109289  Polygonum shastense Robert F. Thorne; Fred Oettinger 1969-8-10 38987 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  JEPS50591  Polygonum shastense W. L. Jepson 1894-8-4 14806 Siskiyou Snow Line Mt. Shasta Comment
  SD53344  Polygonum shastense Darley F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta 2438 Comment
  UC1188085  Polygonum shastense Philip A. Munz 1960-8-22 24182 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  UC850384  Polygonum shastense L. E. Smith 1915-1 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC421076  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Creek 1005 Comment
  POM265991  Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  CHSC91236  Polypogon monspeliensis Lowell Ahart; John Dittes 2005-6-9 12003 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
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC76731  Polystichum imbricans subsp. imbricans J. H. Thomas 1954-5-14 4176 Siskiyou Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC72380  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1981 Comment
  CHSC106833  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca1-2 mi E of Park Cr Trailhead (=crest of Rt 17) along ridge, rivulet and stringer meadow on steep N-facing rocky slope. 2286 Comment
  UC2026484  Polystichum lemmonii Louis C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. Comment
  UC336670  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Mt. Eddy Comment
  UCR101154  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains, south side of Red Butte. 1738 Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  CAS-BOT-BC482446  Polystichum lonchitis Dana York 2011-8-13 3055 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  HSC101150  Polystichum lonchitis Dana York 2011-8-12 3045 Siskiyou Klamath National Forest, Marble Mountain 2073 Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  HSC66086  Polystichum scopulinum M. Sacks 1977-10-4 16 Siskiyou S facing slope, N side of main rd. between Callahan and Cecilville, 6 mi. SW of Callahan 1463 Comment
  SEINET8263372  Populus fremontii Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  HSC19882  Populus fremontii subsp. fremontii R. C. Wunner 1965-8-14 424 Siskiyou Lava Beds National Monument, Hovey Pt. 1220 Comment
  UC618728  Populus tremuloides W. Bridge Cooke 1938-8-23 11577 Siskiyou top of the Shastina Lava Park Mount Shasta (n side Shastina); , , n side Shastina Comment
  UC618792  Populus tremuloides W. Bridge Cooke 1938-8-25 11586 Siskiyou e of Widow Spring Mount Shasta (along Pilgrim Creek); , , e of Widow Spring Comment
  UC164396  Populus trichocarpa Geo. D. Butler 1909-4-26 1072 Siskiyou low ground near Oro Fino; near Oro Fino Comment
  UC416612  Porterella carnosula H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; about 10 mi (air) s of the Oregon boundary and about 11 mi (by road) n of Montague, northern Siskiyou Co. Comment
  RSA68955  Potamogeton gramineus A. E. Culbertson 1943-7-21 3 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi. S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  CAS-BOT-BC141858  Potentilla anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Saline Flats, Butte Valley 1280 Comment
  UC12511  Potentilla breweri Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  JEPS44292  Potentilla breweri W. L. Jepson 1907-7-4 2815 Siskiyou Shackleford Canyon near Marble Mountain (W Siskiyou County); Shackleford Canyon Comment
  CAS-BOT-BC141967  Potentilla bruceae Gilbert J. Muth 1969-8-8 1275 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  UC1538958 Image available Potentilla cristae Marla A. Knight, Julie D. Knorr 1987-8-3 951 Siskiyou near summit Cory Peak; China Mt. Quad., near summit Cory Peak 2133 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
  HSC29384  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  POM250748  Potentilla flabellifolia W. Bridge Cooke 1938-8-9 11626 Siskiyou Mt. Shasta. 2500 Comment
  UCD113749  Potentilla flabellifolia Dean William Taylor 1972-7-4 1616 Siskiyou Near Little Duck Lake. 1981 Comment
  JEPS80544  Potentilla fruticosa Gilbert Muth 1965-8-12 217 Siskiyou backside of Black Mountain , backside of Black Mountain (Marble Mt. Wilderness Area) 2072 Comment
  CHSC88117  Potentilla glandulosa Jenny Marr 1993-7-1 127 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET3156934  Potentilla glandulosa var. nevadensis F. M. Reed 1908-7-13 2534 Siskiyou near old Loy cabin N side of Tak Quartz Valley. San Jacinto Mts. 2621 Comment
Read comments Dec 7 2014
  CAS-BOT-BC540547  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Castle Lake Road west of Shasta Springs 1524 Comment
  JEPS104991  Potentilla millefolia Dean W. Taylor 1996-7-27 15863 Siskiyou Grass Lake (about 15 air mi NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  CAS-BOT-BC158532  Potentilla millefolia L. E. Smith 1913-5-18 269 Siskiyou Gazelle Comment
  HSC4472  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge; steep N-facing slope 2195 Comment
  JEPS83875  Prunella vulgaris var. lanceolata Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (trail to Lily Pad Lake); Siskiyou Mountains, vicinity Cook and Green Pass 1706 Comment
  CAS-BOT-BC158224  Prunus emarginata D. E. Breedlove 1962-7-14 3925 Siskiyou On steep slope on ridge between Liebel Peak and Piute Peak, 12.4 miles southwest of Bodfish-Havilah Road; Piute Mountains 2164 Comment
  CAS-BOT-BC158227  Prunus emarginata Ella Dales Cantelow 1936-5-20 1401 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC158242  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  HSC122  Prunus emarginata William J. Ferlatte 1967-7-25 716 Siskiyou Caribou Mtn. 2470 Comment
  HSC27464  Prunus emarginata J. P. Smith, J. O. Sawyer 1972-5-28 5377 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  HSC68389  Prunus emarginata Maralyn A. Renner 1980-6-26 1251 Siskiyou SE edge of Flint Valley. 1390 Comment
  POM89362  Prunus emarginata Edward Palmer 1892-7-13 2564 Siskiyou Mount Shasta and vicinity Comment
  UCSB12914  Prunus emarginata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  UC164300  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  CAS-BOT-BC159729  Prunus subcordata var. oregana C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  HSC59609  Prunus virginiana var. demissa J. P. Smith, Steve Selva 1970-7-16 4411 Siskiyou Beaver Creek Campground. 823 Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  JEPS44926  Prunus virginiana var. demissa W. L. Jepson July, 1894 13839 Siskiyou Sisson Comment
  UC1034612  Prunus virginiana var. demissa Douglas Barbe 1955-6-28 24 Siskiyou 0.8 mi n of Callahan; Klamath Mountains 1005 Comment
  SEINET7412306  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  RSA17456  Prunus virginiana var. melanocarpa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  JEPS95317  Pseudognaphalium stramineum Vernon H. Oswald and L. Ahart 1994-8-10 6451 Siskiyou T40N R2W NE1/4 NE1/4 Sec. 27, 3600 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud 1097 Comment
  SBBG25857  Pseudognaphalium thermale D. Myrick 1966-8-12 1547 Siskiyou rd to Carter Ranch, Mtn Meadow Ranch, Big Flat, Trinity Alps 1584 Comment
  CAS-BOT-BC239821  Pseudoroegneria spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  JEPS100200  Pseudoroegneria spicata Dean W. Taylor 2002-6-10 18124 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  CAS-BOT-BC239807  Pseudoroegneria spicata D. M. Traugh 1933-5-25 63 Siskiyou Klamath National Forest 609 Comment
  CAS-BOT-BC239815  Pseudoroegneria spicata Geo. D. Butler 1909-6-27 848 Siskiyou Bluff of Klamath River Comment
  UCR30818  Pterospora andromedea Lucille Roos 1965-8-10 s.n. Siskiyou Klamath National Forest, Bear Lake, Marble Mountains 1473 Comment
  UC1251647  Pteryxia terebinthina var. californica T. Call and V. Call 1964-6-22 2280 Siskiyou below lava flows northwest of Mt Shasta 1066 Comment
  JEPS107956  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
  UCD91861  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  JEPS107958  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 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
  CAS-BOT-BC460858  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  RSA238344  Pyrola californica Frederick W. Oettinger 1969-8-14 1364 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC67644  Pyrola crypta J. P. Smith, Steve Selva 1970-7-17 4472 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC69744  Pyrola dentata Maralyn A. Renner 1980-6-26 1270 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC462805  Pyrola dentata Marion Ownbey; Fred G. Meyer 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles N of Happy Camp Comment
  SEINET8342672  Pyrola dentata Marion Ownbey, Fred G. Meyer 1940-7-8 2225 Siskiyou near summit of Siskiyou Mountain, 17 miles north of Happy Camp. Comment
  JEPS58829  Pyrola picta W. L. Jepson 1902-7-19 2084 Siskiyou Near Jordan's Ranch, Summerville Comment
  SD112140  Pyrola picta Darley F. Howe 1962-8-4 3390 Siskiyou Baldy Mt. 1524 Comment
  UC1408767  Pyrola picta Frederick W. Oettinger 1968-8-7 439 Siskiyou just n of Tobacco Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC466136  Pyrola picta Doris K. Kildale 1929-8-24 8832 Siskiyou Preston Peak 2133 Comment
  CHSC88781  Pyrrocoma racemosa Jenny Marr 1993-7-1 194 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  JEPS81784  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  HSC99817  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-27 6089 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  UC5540  Quercus chrysolepis W. H. Brewer 1862-8-21 1327 Siskiyou near Mount Shasta 609 Comment
  RSA13724  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Siskiyou County: Oak Knoll Ranger Station, Klamath River, Siskiyou Mtn. 671 Comment
  SD225878  Quercus garryana John M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountain, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N) 1829 Comment
  UC1408906  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou due nnw Tobacco Lake (and w of the w cove of Hancock Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  UC5485  Quercus garryana var. breweri W. H. Brewer 1862-8-22 1336 Siskiyou 6 mi w Mt. Shasta; ; NW of Middletown, 6 mi. W of Mt. Shasta Comment
  UC705928  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou 21 mi n Happy Camp; Summit of Siskiyou Mountains Comment
  UC60993  Quercus kelloggii Geo. B. Grant Sep 1902 5197 Siskiyou Sisson Mount Shasta 914 Comment
  UCD105619  Quercus kelloggii K. M. Meyer; A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  RSA477323  Quercus lobata Bonnie C. Templeton 1960-6-21 8533 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  RSA237357  Quercus sadleriana Frederick W. Oettinger 1967-8-26 335 Siskiyou 1/2 mile below Abbotts Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA758222  Quercus sadleriana Robert F. Thorne 1969-8-2 63325 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UCD47242  Quercus sadleriana D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1524 Comment
  UCSB1234  Quercus sadleriana Mason, Herbert 1950-7-16 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  CAS-BOT-BC104625  Quercus vacciniifolia Alice Eastwood 1912-8-28 1948 Siskiyou Cantara Comment
  CHSC71585  Quercus vacciniifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1676 Comment
  HSC74930  Quercus vacciniifolia J. P. Smith, Jennifer Whipple 1978-7-2 9975 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC338544  Quercus vacciniifolia unknown 1889-9-7 Siskiyou near Sisson's; Mt. Eddy Comment
  HSC12267  Raillardella pringlei Richard Spjut 1970-7-17 445 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake 1829 Comment
  JEPS90107  Raillardella pringlei Dean W. Taylor 1988-7-9 9939 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  UC1107164  Ranunculus flabellaris Dorothy Parker 1950-4-22 403 Siskiyou slough near Fay Lane; Siskiyou Mountains, Scott Valley 914 Comment
  CDA24326  Ranunculus glaberrimus Don Shaw 1977-4-2 Siskiyou Sam s Neck, near Dorris. 0 Comment
  POM100034  Ranunculus occidentalis Geo. D. Butler 1909-3-14 507 Siskiyou Dry ditch near Yreka Comment
  HSC40655  Ranunculus occidentalis var. occidentalis J. P. Smith, Steve Selva 1970-6-16 4023 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC61938  Ranunculus orthorhynchus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC58897  Ranunculus populago Marvin Butler 1971-7-6 37 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  UCD97134  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC705886  Rhamnus californica subsp. californica Marion Ownbey and Fred G. Meyer 1940-7-8 2224 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  RSA136573  Rhamnus californica subsp. occidentalis Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  POM211390  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  JEPS41948  Rhamnus purshiana Geo. D. Butler 1908-8-8 23 Siskiyou Marble Valley 1676 Comment
  UC163697  Rhamnus purshiana Geo. D. Butler 1910-8-7 1821 Siskiyou Humbug Mountain 1219 Comment
  HSC100078  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-7 1079 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  CAS-BOT-BC200403  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Along the Sacramento opposite Upper Soda Spring Comment
  CDA32771  Rhododendron occidentale var. paludosum G. F. Hrusa 1992-5-3 9555 Siskiyou Siskiyou Mountains; South side of Scott Mtn. just below summit area. 1627 Comment
  SEINET8042111  Rhus aromatica G. D. Butler 1910-6-29 1615 Siskiyou Near Yreka. Comment
  UC163757  Rhus trilobata Geo. D. Butler 1910-6-29 1615 Siskiyou near Yuba Comment
  POM85301  Rhus trilobata var. quinata Geo. D. Butler 1910-4-1 1151 Siskiyou [No further location information.] Comment
  CAS-BOT-BC438007  Ribes L. B. Kildale 1930-6-1 9776 Siskiyou Black Bear trail to Sawyers Bar Comment
  CAS-BOT-BC438015  Ribes Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  JEPS49277  Ribes aureum var. aureum Geo. D. Butler 1908-6-28 266 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  CAS-BOT-BC92535  Ribes binominatum John Thomas Howell 1937-7-25 13458 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  POM92615  Ribes binominatum Geo. D. Butler 1910-7-8 1682 Siskiyou Shackelford Creek. 1220 Comment
  LA205410  Ribes cereum Louis C. Wheeler; 1934-6-29 2825 Siskiyou Siskiyou Mountains, Soda Creek, Sterling Mountain 1280 Comment
  RSA0024873  Ribes cereum E. K. Balls 1950-5-15 14703 Siskiyou Lava Beds National Monument, below Indian Wells Public Camp. 1402 Comment
  HSC29423  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1936 Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  HSC64665  Ribes lobbii J. O. Sawyer 1977-7-6 3031 Siskiyou S of Little Duck Lake 2134 Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  HSC61941  Ribes marshallii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC212481  Ribes marshallii Lillian Henningsen 1972-6-8 s.n. Siskiyou Happy Camp Road to Takilma Comment
  HSC19438  Ribes nevadense J. O. Sawyer 1969-8-5 1946 Siskiyou Along Sugar Creek. 1921 Comment
  UC1190157  Ribes nevadense Ira L. Wiggins 1955-7-25 13508 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  UC796518 Image available Ribes nevadense Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11802 Siskiyou s Callahan (on Scott Mountain Road at Mule Creek crossing) 1493 Comment
  HSC69254  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-20 3727 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  JEPS82694  Ribes roezlii Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs; Cabin Meadow 1920 Comment
  CAS-BOT-BC199993  Ribes roezlii var. cruentum Alice Eastwood 1923-5-22 11897 Siskiyou Sisson, road to Mt. Shasta Comment
  CAS-BOT-BC199998  Ribes roezlii var. cruentum W. R. Dudley 1899-8-9 s.n. Siskiyou Eastern Base of Black Butte Comment
  CAS-BOT-BC200013  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-4 5521 Siskiyou Summit of divide between Salmon River and Scott Valley on road to Etna Comment
  HSC100864  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13060 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  RSA0024600  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino. Comment
  CAS-BOT-BC173910  Ribes velutinum Alice Eastwood 1912-7-20 1265 Siskiyou Hornbrook Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  CAS-BOT-BC168805  Ribes viscosissimum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  HSC22201  Ribes viscosissimum J. O. Sawyer 1968-7-22 533 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  POM265892  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  UC1426021  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou precipice base due s.-s.w. Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1920 Comment
  RSA184740  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  CHSC33835  Rorippa curvisiliqua var. occidentalis R. E. Preston 1981-5-2 59 Siskiyou On bank of Camp Creek at confluence with Irongate Reservoir; ca. 32 km ne of Yreka. 702 Comment
  POM88595  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou Near Yreka Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  HSC69390  Rosa gymnocarpa Maralyn A. Renner 1980-8-31 2660 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA237785  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Between English Lake and Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UC922632  Rosa gymnocarpa Annie M. Alexander and Louise Kellogg 1948-9-7 5593 Siskiyou on road between first and second forks to Lookouts Siskiyou Mts., Black Bear Summit Comment
  POM365833  Rosa gymnocarpa M. B. Dunkle 1944-6-25 9028 Siskiyou Siskiyou National Forest. 1677 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  UC725330  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC32289  Rosa rubiginosa J. O. Sawyer 1970-6-15 2200 Siskiyou Slopes N of Sugar Creek 976 Comment
  CAS-BOT-BC147977  Rubus leucodermis Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  CDA15528  Rubus leucodermis G. F. Hrusa 1998-7-5 14696 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  HSC42911  Rubus leucodermis J. O. Sawyer, K. T. Stillman 1976-7-2 2817 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC69537  Rubus leucodermis Maralyn A. Renner 1980-8-6 2253 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UCSC000370  Rubus leucodermis I. J. Condit 2009-8-23 s.n. Siskiyou near Sisson Sisson - Castle Lake 1829 Comment
  SEINET5710610  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  CAS-BOT-BC422221  Rumex acetosella Gilbert Muth 1966-7-18 414 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  JEPS39883  Rumex conglomeratus Geo. D. Butler 1908-7-5 514 Siskiyou near Yreka (Butler's Ranch) Comment
  UC441328  Sagittaria cuneata H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  UC935739  Sagittaria cuneata Calvin McMillan and Malcolm A. Nobs 1949-6-17 799 Siskiyou Grass Lake; Highway 97 Comment
  SD88326  Sagittaria longiloba Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1525 Comment
  RSA610756  Salix boothii Louis C. Wheeler 1935-7-24 3694 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  CAS-BOT-BC103542  Salix commutata Gilbert J. Muth 1969-8-11 1356 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2377 Comment
  HSC28671  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  HSC67667  Salix eastwoodiae John Palmer 1980-7-24 587 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC107782  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15157 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  RSA0034682  Salix lasiandra H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  UC482251  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  UC576374  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1937-7-22 869 Siskiyou beyond head of Big Flat (near S. Fork Salmon R.) 1615 Comment
  UCD111542  Salix lasiandra var. lasiandra Beecher Crampton 1969-6-19 8474 Siskiyou 1 mile north of Edgewood along the Shasta River. Comment
  POM219891  Salix lasiolepis H. P. Bracelin 1931-6-19 412 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  SD898  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North Side of Mount Eddy, about 21 km northwest of Shasta City, meadow 300 m below Dobkin's Lake 1650 Comment
  CDA39550  Salix lasiolepis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2626 Siskiyou 0.4 km northeast of Oro Fino. Comment
  CAS-BOT-BC124895  Salix lemmonii Alice Eastwood 1921-7-29 10965 Siskiyou Medicine Lake Comment
  POM107047  Salix lucida subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek. Comment
  POM219896  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1350 Comment
  UC576381  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, beside creek at first bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  CAS-BOT-BC126149  Salix scouleriana Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC129036  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, east of Metcalf ranch house, about 10 km. northwest of Shasta City 1080 Comment
  HSC28684  Salix scouleriana Frederick W. Oettinger 1968-9-4 696 Siskiyou Marble Mtn. Wilderness Area, W shoreline, Abbott's Lake 1723 Comment
  OBI70521  Salix scouleriana D. G. Kelch, Marianne Cabot 2008-8-12 s.n. Siskiyou Ft. Jones, 6711 Mill Creek rd Comment
  UC1409270  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou above wiregrass meadow <in> English Lake Basin Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1706 Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 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
  CAS-BOT-BC220738  Salvia W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  CAS-BOT-BC220803  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-8 9450 Siskiyou Summit of Sconchin [Schonchin] Butte, Lava Beds National Monument Comment
  UCD102291  Salvia dorrii var. pilosa Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  CAS-BOT-BC225205  Salvia sonomensis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CDA5769  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  RSA238834  Sambucus microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC238889  Sambucus nigra subsp. caerulea W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  CAS-BOT-BC238891  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1938-6-24 11087 Siskiyou Mount Shasta. MacBride Springs Comment
  HSC29281  Sambucus nigra subsp. caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake. 1768 Comment
  UC630398  Sambucus racemosa var. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Taylor Lake Salmon Mountains (se end, 12 mi sw of Etna) 2042 Comment
  RSA47665  Sanguisorba annua Roxana S. Ferris, L. Lorraine 1948-6-12 11816 Siskiyou E fork of Scott River Drainage. Parker Ranch. Plowman's [Noyes] Valley. 1204 Comment
  HSC46730  Sanicula graveolens William J. Ferlatte 1974-7-15 1543 Siskiyou Dorleska summit, W side of Grouse Ridge just below summit 2134 Comment
  HSC62024  Sanicula graveolens Ruby Van Deventer 5 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  UC991120  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on the outskirts Mount Shasta town; town of Mount Shasta Comment
  RSA445294  Satureja douglasii M. B. Dunkle 1944-7-15 9103 Siskiyou Siskiyou National Forest. Comment
  JEPS74528  Saxifraga aprica W. J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  UC530059  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson Dairy; Siskiyou Mountains, Johnson Dairy 1706 Comment
  RSA184748  Saxifraga odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  CAS-BOT-BC445872  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC1679  Saxifragopsis fragarioides V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  JEPS47486  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou 3 mi ene Finley's Camp (Highland Mine); Salmon Mts. 1706 Comment
  RSA22019  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC530061  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole; Siskiyou Mts., Alex Canyon 1889 Comment
  UC702903  Saxifragopsis fragarioides Lester Rowntree 1937-7-21 Siskiyou Caribou Lake Comment
  UCD126471  Schedonorus arundinaceus P. B. Kennedy 1923-8-29 s.n. Siskiyou Mt. Shasta City. By Camp Cold Water, Sisson. Comment
  POM365947  Schedonorus pratensis L. C. Wheeler 1934-6-22 2750 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  JEPS75307  Schoenoplectus acutus var. occidentalis Geo. D. Butler 1909-10-10 1092 Siskiyou swampy place 1 mi n Yreka; n of Yreka Comment
  CAS-BOT-BC35599  Scirpus congdonii Louis C. Wheeler 1934-8-14 3126 Siskiyou North side of White Mtn. 1767 Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  RSA366108  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  UC1100910  Scirpus maritimus Verne Grant and Irving Schneider 1947-8-25 8282 Siskiyou w side Tule Lake; w side Tule Lake Comment
  CAS-BOT-BC111100  Scirpus microcarpus Laura Myrtle Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  JEPS85082  Scirpus microcarpus W. B. and V. G. Cooke with Ted Graves 1988-8-29 64235 Siskiyou Bear Springs Mt. Shasta, Shasta-Trinity N.F., Bear Springs (FS-31, Mt. Shasta, Shasta-Trinity N.F.) 1524 Comment
  UC149654  Scirpus microcarpus H. M. Hall and E. B. Babcock June, 1903 4044 Siskiyou 18th crossing Mount Shasta, near Sisson (near Sisson) 1036 Comment
  HSC100034  Sclerochloa dura J. P. Smith, & J. O. Sawyer 2010-5-6 12819 Siskiyou Camp Creek Campground. 727 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  HSC149  Scutellaria antirrhinoides William J. Ferlatte 1966-8-3 266 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC74822  Scutellaria antirrhinoides J. P. Smith, Jennifer Whipple 1978-7-2 9982 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC92411  Scutellaria antirrhinoides Jennifer Whipple 1976-7-13 1455 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  JEPS62914  Scutellaria antirrhinoides W. L. Jepson July 1894 21225 Siskiyou Sisson Comment
  JEPS95654  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  RSA211224  Scutellaria antirrhinoides William J. Ferlatte 1966-8-3 266 Siskiyou Along the south fork of the Salmon River between the campground and Carter s. 1524 Comment
  JEPS81648  Scutellaria antirrhinoides L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2314 Siskiyou between the Sacramento and McCloud arms of Shasta Lake (near Fall Creek Inn along Gilman Road) 396 Comment
  POM63093  Scutellaria antirrhinoides E. B. Copeland 1903-7-2 3530 Siskiyou Klamathon Comment
  RSA238531  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC214254  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Near Igerna Comment
  RSA82350  Scutellaria nana F. W. Peirson 1923-7-19 3826 Siskiyou 20 miles north of Bray. Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA105428  Scutellaria siphocampyloides Douglas Barbe 1955-7-1 80 Siskiyou Steep rocky hill just behind Callahan to the north. 976 Comment
  CAS-BOT-BC64655  Sedum kiersteadiae Wm. Bridge Cooke 1939-8-10 13894 Siskiyou East Bank of Mud Creek near bottom of canyon. 1676 Comment
  CAS-BOT-BC61459  Sedum lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 2072 Comment
  HSC90586  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1977-8-5 2186 Siskiyou Slopes near Little Crater Lake 2195 Comment
  CHSC459  Sedum obtusatum subsp. boreale M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC25456  Sedum stenopetalum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5651 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC76686  Sedum stenopetalum K. T. Stillman 1976-7-30 321 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  CAS-BOT-BC363744  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Hwy 99, 5 mi S/Yreka Comment
  CDA8655  Senecio integerrimus var. ochroleucus T. C. Fuller 1958-6-18 1791 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  RSA0125067  Senecio integerrimus var. ochroleucus George D. Butler 1910-5-1 1263 Siskiyou Huckberry Mountain. 1219 Comment
  RSA12485  Senecio triangularis C. B. Wolf 1934-7-4 5952 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  CAS-BOT-BC213142  Sidalcea Margaret M. Hanna 1956-6-2 s.n. Siskiyou 6 mi. E of Redding, Hiway 299 Comment
  RSA448556  Sidalcea M. B. Dunkle 1945-07 9249 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA87483  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou 4 miles north of Happy Camp on road to Waldo. Comment
  HSC81981  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1979-6-16 4858 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC60777  Sidalcea oregana Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SBBG4716  Sidalcea oregana H. and M. Dearing 1939-6-30 3757 Siskiyou Callahan-Trinity Alps Rd 1219 Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  HSC30805  Sidalcea oregana subsp. spicata Melinda F. Denton 1973-6-30 2926 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  CAS-BOT-BC181202  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14972 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC42974  Silene campanulata subsp. greenei J. O. Sawyer, Ken Stillman 1976-5-29 2741 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC94411  Silene douglasii R. C. Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  UC922617  Silene douglasii Annie M. Alexander and Louise Kellogg 1948-9-8 5596 Siskiyou on e side at top grade between Sawyers Bar and Etna (Siskiyou Mountains); , btw Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC388966  Silene grayi Robert F. Thorne; Fred Oettinger 1969-8-10 39001 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  HSC101158  Silene grayi Dana York 2011-8-12 3051 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  SEINET10537583  Silene grayi Mary Susan Taylor 1980-8-19 Taylor 3268 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  UC136250  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Liddy Comment
  HSC19441  Silene lemmonii J. O. Sawyer 1969-6-11 831 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  UC618596  Silene lemmonii W. B. Cooke 1938-7-1 11126 Siskiyou near Bear Springs (Mount Shasta); , near Bear Springs 1524 Comment
  CAS-BOT-BC389527  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou Near Yreka Comment
  POM182779  Silene menziesii var. viscosa Geo. D. Butler 1909-6-10 967 Siskiyou Yreka Creek. Comment
  CDA3863  Sisymbrium altissimum T. C. Fuller 1958-6-19 1831 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  RSA715777  Sisyrinchium bellum Lowell A. Ahart, John Dittes 2005-6-10 12102 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  HSC40276  Sisyrinchium bellum J. D. Ackerman, A. Montalvo 1975-7-18 581 Siskiyou Gumboat Lake Comment
  UC1409216  Smilacina racemosa Frederick W. Oettinger 1968-8-7 438 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UC454432  Smilacina racemosa I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  RSA795337  Solanum dulcamara L. Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UCD40897  Solanum dulcamara R. Rhode 1983-5-26 22 Siskiyou At Highway 96 and Interstate 5 on the banks of the Klamath River. 701 Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  CDA5979  Solanum triflorum J. R. Grisham 1960-9-29 Siskiyou Ralph Leavers property, Butte Valley. 0 Comment
  RSA428795  Solanum umbelliferum Louis C. Wheeler 1934-7-3 428795 Siskiyou Head of Soda Creek. Sterling Mt. 1768 Comment
  UC163710  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake, Shackleford Creek Log Lake; , Shackleford Creek Comment
  UC967210  Solanum umbelliferum L. Constance and R. Bacigalupi with S. Carlquist, R. Moran, R. L. Rodriguez and J. P. Tracy 1951-6-16 3396 Siskiyou n slope of Little Grayback. Takilma-Happy Camp road Little Grayback 1463 Comment
  UCR47901  Solidago canadensis Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC365551  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  CAS-BOT-BC365564  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC365567  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC38596  Solidago elongata J. P. Smith, J. O. Sawyer 1972-9-13 5782 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  UC1409234  Solidago velutina subsp. californica Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins in the vicinity English Peak (English Lake Basin, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1897 Comment
  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
  HSC67686  Sorbus californica John Palmer 1980-7-24 635 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SBBG27223  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mtns 1828 Comment
  CAS-BOT-BC390714  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC390717  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC390722  Spergularia rubra Annie M. Alexander; Louise Kellogg 1949-7-25 5872 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  RSA264963  Spiraea douglasii M. Ekblad 1975-10-16 s.n. Siskiyou Near Shelley Lake. Near Etna. 1634 Comment
  JEPS78185  Spiraea douglasii Gary W. Zamzow 1972-7-20 97 Siskiyou 28.8 mi nw Highway 89 junction with Highway 299 (growing beside Highway 89) 1158 Comment
  CAS-BOT-BC421467  Spiraea splendens W. R. Dudley 1903-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  HSC69395  Stachys rigida Maralyn A. Renner 1980-8-8 2458 Siskiyou Rattlesnake Meadow 1646 Comment
  UC1045304  Stellaria borealis subsp. sitchana unknown 1940-8-22 15470 Siskiyou Mud Creek Canyon; Mount Shasta Comment
  SEINET10537638  Stellaria jamesiana Mary Susan Taylor 1980-6-23 Taylor 2941 Siskiyou T39N R5W sw sec 28 Dunsmuir quad; Shasta Trinity Natl Forest. Soapstone Gulch, on E side of Rd 39N45, ca. 2 mi S of its jct with Hwy 26, ca. 8 mi SW of Mt Shasta City. With B. Williams. (Meadows 0.3, .55 and .05 mi from end of road have Darlingtonia). 1676 Comment
  UC165376  Stellaria longipes var. longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC19123  Stipa occidentalis var. californica J. P. Smith 1969-8-2 1719 Siskiyou E facing slopes SW of Little Duck Lake. 2241 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  HSC67789  Stipa occidentalis var. occidentalis J. O. Sawyer, Jane Cole 1980-7-20 3752 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC97163  Stipa thurberiana L. Ahart 2005-6-9 12027 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  UC1094385  Streptanthus barbatus Rimo C. Bacigalupi with Galen Smith 1957-6-26 5966 Siskiyou ca 4 mi sw junction with the North Fork (along road to Gumboot Lake, w of town of Mt. Shasta); South Fork of the Sacramento River 1371 Comment
  CAS-BOT-BC87868  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou Black Butte, north of Mount Shasta City. 1005 Comment
  UCD116311  Streptanthus tortuosus Robert E. Preston 1984-7-25 492 Siskiyou on summit slopes of Little Mt. Hoffman. 2196 Comment
  CHSC557  Streptanthus tortuosus var. orbiculatus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  SBBG21904  Streptanthus tortuosus var. orbiculatus D. Myrick 1962-7-25 952 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  UC165748  Streptanthus tortuosus var. orbiculatus Geo. D. Butler 1909-7-15 893 Siskiyou Highland Mine Comment
  CHSC95132  Streptopus amplexifolius var. americanus L. P. Janeway 2006-7-2 8747 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  HSC62451  Swertia albicaulis var. nitida Ruby Van Deventer 27 Jul [year missing] Siskiyou Twin Valley Comment
  UC166199  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackleford Creek Comment
  RSA273340  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 1.2 mile W of Cook & Green Pass on road to Lily Pad Lake. Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  HSC29346  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou Marble Mtn. Wilderness Area, NE side of Little Medicine Mtn., due N of Hancock Lake. 1997 Comment
  HSC42981  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-29 2734 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC164059  Symphoricarpos mollis var. acutus Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest foothills 1524 Comment
  UC28686  Symphoricarpos mollis var. acutus C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC97891  Symphyotrichum eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara, Sisson Comment
  UC75825  Symphyotrichum spathulatum Milo S. Baker 1899-7-1 Siskiyou above, e slope of Mt. Shasta Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  JEPS81907  Symphyotrichum spathulatum Roger Raiche 1982-10-14 20825 Siskiyou Stewart Springs Road 914 Comment
  UC1037395  Symphyotrichum spathulatum Douglas Barbe 1955-7-26 261 Siskiyou nw slope of Scott Mountain along a dry ditch Klamath Mountains, Scott Mountain 1828 Comment
  CAS-BOT-BC98855  Symphyotrichum spathulatum var. intermedium Geo. D. Butler 1910-9-11 1880 Siskiyou Near Edgewood Comment
  CHSC33043  Symphyotrichum subspicatum J. P. Smith; J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Road just south of French Creek R. between Callahan and Etna. 914 Comment
  SEINET3194866 Image available Taeniatherum caput-medusae Rimo Bacigalupi, S. Galen Smith 1957-1 5938 Siskiyou About 2 1/2 miles northwest of Weed, close to U.S. Highway 99. 1010 Comment
  RSA237469  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou S of Upper English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  UC1400324  Tauschia howellii Frederick W. Oettinger 1968-8-4 394 Siskiyou gap where the English Peak-Hancock Lake trail crosses Crapo Peak Ridge (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains); Marble Mountain Wilderness Area, Salmon Mountains 2194 Comment
  CAS-BOT-BC81335  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  HSC18878  Taxus brevifolia J. O. Sawyer 1968-9-13 758 Siskiyou W Branch Campground on Indian Creek N of Happy Camp Comment
  HSC68398  Taxus brevifolia Maralyn A. Renner 1980-7-4 1451 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  RSA384696  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  SEINET3876109 Image available Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest; road to Happy Camp.; 0 732 Comment
  UC858887  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake; Marble Mts. 1828 Comment
  UC449662  Tetradymia glabrata H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  JEPS80528  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 F Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  POM273828  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley near the Klamath River Comment
  UC1408836  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou sw shore line Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1722 Comment
  JEPS46260  Thermopsis A. E. Wieslander 1928-6-12 Siskiyou near Slate Creek; Siskiyou Mts., Klamath National Forest Comment
  CHSC71476  Thlaspi arvense Vernon H. Oswald; Lowell Ahart 1998-7-21 9322 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Roadside. 1524 Comment
  CHSC63390  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1994-7-11 6403 Siskiyou Forest Rd. 26 (to Mt. Shasta) at Gumboot Creek, ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. On a roadside bank near the creek. 1783 Comment
  UC1586874  Thlaspi montanum var. montanum Juha Pykala and D. H. Norris 1987-6-26 2050 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness Area Comment
  CAS-BOT-BC66794  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  UC165985  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino; fields Comment
  JEPS62174  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1907-7-10 2879 Siskiyou Cottage Grove, Crescent City Trail at Onion Patch western Siskiyou Co. Comment
  SEINET10761610  Tofieldia occidentalis subsp. occidentalis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC70447  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  RSA145155  Tolmiea menziesii Dorothy Parker 1960-7-4 s.n. Siskiyou Salmon Mts. 1768 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
  CAS-BOT-BC376177  Triantha occidentalis subsp. occidentalis Andrew Townesmith; Karen M. Meyer 2007-8-1 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC67719  Triantha occidentalis subsp. occidentalis John Palmer 1980-7-24 619 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC71099  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4505 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1258455  Trientalis latifolia Maralyn A. Renner 1980-6-24 1039 Siskiyou Tributary stream to East Fork Seiad Creek, where crossed by F.S. Road. 48N20 East Fork Seiad Creek; Klamath National Forest, East Fork Seiad Creek 1021 Comment
  UC618635  Trientalis latifolia W. Bridge Cooke 1938-6-17 11050 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UC1408893  Trientalis latifolia F. W. Oettinger 1969-8-9 1318 Siskiyou between Fivemile Stockgate and Abbott's Upper Cabin (along main North Fork Trail, Salmon Mountains, western Siskiyou County); Salmon Mountains, North Fork Trail 1356 Comment
  RSA90949  Trifolium eriocephalum subsp. eriocephalum J. T. Howell 1937-7-23 13360 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD107929  Trifolium eriocephalum subsp. eriocephalum Robert E. Preston 1995-6-18 873 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  UC585220  Trifolium eriocephalum var. eriocephalum E. B. Babcock and G. L. Stebbins 1936-6-11 1891 Siskiyou ca 2 s Yreka 822 Comment
  HSC61459  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  HSC92474  Trifolium incarnatum Jeanne McFarland, Kathie Meyer, Anne Mullenniex 1995-4-9 41 Siskiyou 3 mi. up the Salmon River, off Hwy. 96 351 Comment
  HSC69188  Trifolium longipes Maralyn A. Renner 1980-8-31 2630 Siskiyou Twin Valley. 1494 Comment
  UCD111282  Trifolium longipes L. Whitney 1934-6-10 s.n. Siskiyou location unknown. 1463 Comment
  JEPS109714  Trifolium longipes subsp. oreganum Dean W. Taylor 2002-7-21 18275 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes. Shasta-Trinity National Forest. 2316 Comment
  JEPS84258  Trifolium longipes var. shastense L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6319 Siskiyou Ca 7 mi NNE of Seiad Valley, W of Cook and Green Pass, ca 1/2 air mile from Red Butte, eastern slopes of butte. 1750 Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  UC1045249  Trifolium pratense W. B. Cooke 1940-7-5 15235 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
  UC163858  Trifolium pratense Geo. D. Butler 1908-6-23 1035 Siskiyou near Yreka (fields) Comment
  HSC15160  Trifolium pratense Mrs. H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf Ranch, N side of Mt. Eddy 915 Comment
  HSC154  Trifolium pratense William J. Ferlatte 1966-8-3 257 Siskiyou Mtn. Meadow Ranch 1524 Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  RSA105359  Trifolium productum Douglas Barbe 1955-7-9 154 Siskiyou South shore of Kangaroo Lake, Scott Mountains 1829 Comment
  UC375414  Trifolium repens Geo. D. Butler 1908-6-23 1036 Siskiyou Yreka Comment
  UC16894  Trifolium variegatum var. melananthum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC454709  Trifolium willdenovii I. J. Condit 1911-7-31 Siskiyou Shasta Retreat Comment
  UC61695  Trifolium willdenovii Geo. B. Grant September, 1902 5072 Siskiyou Sisson Mount Shasta Comment
  JEPS75658  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  RSA210810  Triglochin maritima Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39043 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC86281  Trillium ovatum J. O. Sawyer 1983-7-6 4225 Siskiyou E of Cedar Flat on trail to Bunn's Basin 1372 Comment
  HSC37441  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-5 201 Siskiyou Stream crossing rd. to Duck Lakes Trail 1.0 mi. from trailhead 1707 Comment
  HSC27037  Trisetum canescens J. P. Smith, J. O. Sawyer 1972-9-14 5814 Siskiyou Trail to Little Duck Lake 1829 Comment
  UCD146708  Trisetum canescens G. F. Hrusa 1998-7-5 14676 Siskiyou Cedar Camp Road +/- 5 miles east of Weitchpec on Highway 96. North side of Highway. Mile 8.2. Siskiyou Mountains. Comment
  UCD93490  Trisetum canescens Geo. D. Butler 1910-7-12 1753 Siskiyou Shackleford Creek. Comment
  HSC26991  Trisetum spicatum J. P. Smith, J. O. Sawyer 1971-9-16 4769 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC24102  Triteleia crocea J. O. Sawyer 1971-7-16 2432 Siskiyou Slope NE of Deep Lake 2165 Comment
  HSC44922  Triteleia crocea J. P. Smith 1974-5-25 7377 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC68487  Triteleia crocea Maralyn A. Renner 1980-6-9 841 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS5655  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  CAS-BOT-BC524315  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  SEINET10534159  Triteleia ixioides subsp. anilina A. Arthur Heller 1905-6-5 Heller 7986 Siskiyou Pleateau above Shasta Springs. Comment
  JEPS48254  Tsuga mertensiana W. L. Jepson 1907-7-5 2820 Siskiyou Marble Mt. Comment
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UCD135153  Tsuga mertensiana John M. Tucker 1963-7-5 3708 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  SEINET7343028 Image available Tsuga mertensiana Steve Selva, Roger Jensen 1974-1 53 Siskiyou T40N, R9W, Sec. 19. Upper elevations of slopes West of Little Duck Lake. Pure stands with little understory. Comment
  CAS-BOT-BC80258  Tsuga mertensiana subsp. grandicona John Thomas Howell 1937-7-25 13471 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC74093  Turritis glabra Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River. Comment
  HSC67616  Typha J. P. Smith, Steve Selva 1970-8-8 4557 Siskiyou Juanita Lake Comment
  CAS-BOT-BC376181  Urtica dioica Andrew Townesmith; Karen M. Meyer 2007-8-3 895 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CHSC72243  Urtica dioica subsp. holosericea Vernon H. Oswald; Lowell Ahart 1998-9-16 9639 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC199183  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC199188  Vaccinium cespitosum Ira L. Wiggins 1955-7-27 13542 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC19104  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1887 Siskiyou Above S Sugar Lake 2043 Comment
  HSC7936  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou Near Paradise Lake, Salmon Mtn. 1982 Comment
  HSC96318  Vaccinium cespitosum Gordon Leppig, J. Kalt 1996-7-9 387 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  LA44628  Vaccinium cespitosum Wm. Bridge Cooke; 1939-8-24 13896 Siskiyou Mt. Shasta, Panther Meadow, Heather meadows, lower portions Comment
  HSC29333  Vaccinium membranaceum Frederick W. Oettinger 1969-7-11 990 Siskiyou Marble Mountain Wilderness Area, trail from Hancock Lake to Diamond Lake 1982 Comment
  HSC76881  Valeriana californica K. T. Stillman 1976-6-27 151 Siskiyou Marble Mtn. Wilderness Area. Comment
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  CAS-BOT-BC529105  Veratrum californicum L. R. Short 1933-8-5 26 Siskiyou Gentle NE slope, Big Ridge N of M.M [Marble Mtn.] 1981 Comment
  RSA237882  Veratrum viride Frederick W. Oettinger 1969-9-4 1647 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CDA39371  Veratrum viride F. D. Horn 1977-8-7 s.n. Siskiyou Carter Meadows, Long Gulch Creek, along Cecilville-Callahan Road, southwest of Callahan. 0 Comment
  HSC34121  Veronica americana J. O. Sawyer 1969-8-18 1992 Siskiyou S Sugar Lake Creek 1829 Comment
  JEPS25767  Veronica americana Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7467 Siskiyou at edge of Twin Valley Meadows Twin Valley Meadows; Siskiyou Mountains, Twin Valley Meadows 1524 Comment
  RSA165519  Veronica americana Clare B. Hardham 1961-6-30 8127 Siskiyou Siskiyou Mountains: White Mt. Comment