Search Results — 2000 specimen records retrieved (1397 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC36939  Abies concolor J. P. Smith 1974-5-26 7561 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  JEPS47983  Abies concolor B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA0091808  Abies concolor Bonnie C. Templeton 1968-6-13 11331 Siskiyou Mt. Shasta, on road to ski bowl. 2835 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SD76203  Abies magnifica Helen V. Witham 1969-10-9 639 Siskiyou Mount Shasta, in area signed Red Fir Forest 2100 Comment
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Jul 10 2010
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  SDSU1514  Abies procera D. F. Howe 1969-9-12 4675 Siskiyou West side of Little Grayback. 1524 Comment
  RSA386076  Acer circinatum E. E. Stanford 1930-6-15 1581 Siskiyou 1 mile north of Dunsmuir. Comment
  CAS-BOT-BC331024  Acer glabrum var. glabrum Alice Eastwood 1912-7-19 1220 Siskiyou Mount Shasta Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  HSC69494  Acer glabrum var. torreyi Maralyn A. Renner 1980-8-31 2650 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  JEPS80577  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou down creek from Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1767 Comment
  JEPS80656  Acer glabrum var. torreyi W. B. and V. G. Cooke 1977-9-25 54884 Siskiyou on roadside bank above Mud Creek Dam Road Mt. Shasta (Mt. Shasta) 1676 Comment
  CAS-BOT-BC332793  Acer macrophyllum Doris K. Kildale 1929-5-12 7813 Siskiyou Sawyers Bar, north fork of Salmon River Comment
  CHSC91360  Achillea millefolium Lowell Ahart; John Dittes 2005-6-9 12039 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  UC1483458  Achillea millefolium Maralyn A. Renner 1980-7-23 1927 Siskiyou on w side <along> Pacific Coast Trail Upper Devils Peak; Klamath National Forest, Seiad Valley Quad., Pacific Coast T 1767 Comment
  CAS-BOT-BC30430  Achillea millefolium W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mountain side Comment
  HSC44593  Achillea millefolium Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  RSA237218  Achillea millefolium var. occidentalis Frederick W. Oettinger 1967-8-13 266 Siskiyou Common on dry margins of Bear Meadow' midway, as the crow flies, between Tom Taylor Cabin and English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  JEPS449  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou M<?>ffitt Creek Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD50794  Achnatherum nelsonii subsp. dorei Robert E. Preston 2001-6-23 1621 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  CAS-BOT-BC210875  Achnatherum occidentale subsp. californicum John Thomas Howell 1937-7-22 13258 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238977  Achnatherum occidentale subsp. californicum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1156 Siskiyou Halfway Spring, trail from English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  CDA18406  Achnatherum occidentale subsp. pubescens G. D. Barbe, P. Hiatt & M. Keffer 1980-6-5 2809 Siskiyou Cascade Range; Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  UCSB51222  Achnatherum occidentale subsp. pubescens Almanza, Ed 1976-7-12 Siskiyou Mt. Shasta ski lodge. 2316 Comment
  CAS-BOT-BC218016  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  RSA17730  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Bed National Monument Comment
  SEINET11696160  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou State Hwy 97, 12 mi NE of Weed Comment
  HSC44714  Acmispon nevadensis J. O. Sawyer, E. Cope 1977-6-18 2915 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS111345  Aconitum columbianum Petra Foerster 2007-7-7 Siskiyou Scott Mountain summit forest campground; ; At Summit of Hiway 3, about 3 mi South of Callahan 1645 Comment
  JEPS97191  Aconitum columbianum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95045 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  HSC22295  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-1 1604 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC64353  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-17 4453 Siskiyou Below Kangaroo Lake. 1890 Comment
  POM365538  Aconitum columbianum var. columbianum M. B. Dunkle 1945-8-2 9274 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC412908  Aconogonon davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC412912  Aconogonon davisiae Robert F. Thorne; Fred Oettinger 1969-8-10 38986 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CHSC99992  Aconogonon davisiae L. P. Janeway 2008-7-26 9504 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  HSC19286  Aconogonon davisiae J. O. Sawyer 1969-7-9 1240 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  HSC78418  Aconogonon davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  HSC26111  Actaea rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5678 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC391709  Actaea rubra Donald Myrick 1961-6-20 290 Siskiyou Area at Bear Springs on south slope of Mt. Shasta Comment
  JEPS33919  Adenocaulon bicolor George D. Butler 1908-7-20 339 Siskiyou Humbug Creek Comment
  UC1190387  Adiantum aleuticum Ira L. Wiggins 1955-7-23 13477 Siskiyou banks of China Creek 1097 Comment
  CAS-BOT-BC68955  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  CDA1639  Aegilops cylindrica Hunt 1939-8-11 s.n. Siskiyou 0 Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  JEPS62933  Agastache urticifolia Geo. D. Butler 1908-8-6 171 Siskiyou trail beyond Whiskey Camp Whiskey Camp (Marble Mountains); , Whiskey Camp 1676 Comment
  JEPS62938  Agastache urticifolia W. L. Jepson 1937-7-30 18555 Siskiyou Poker Flat , Poker Flat (Siskiyou Mts.) 1584 Comment
  RSA181615  Agastache urticifolia Dorothy Parker 1950-6-15 453 Siskiyou Along Kidder Creek. 915 Comment
  UCD35438  Ageratina occidentalis Beecher Crampton 1956-8-21 3843 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  CAS-BOT-BC29459  Ageratina occidentalis Gilbert J. Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley Comment
  HSC19166  Ageratina occidentalis J. O. Sawyer 1969-8-2 1663 Siskiyou SE facing slope above Little Duck Lake 1951 Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  CAS-BOT-BC15479  Agoseris X dasycarpa Elmer I. Applegate 1923-8-18 3857 Siskiyou Redshale Mountain east of Medicine Lake 2438 Comment
  HSC29261  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Marble Mountain Wilderness area; midway between Tom Taylor Cabin and English Peak Lookout 1997 Comment
  CAS-BOT-BC21370  Agoseris aurantiaca var. aurantiaca G. J. Muth 1969-8-8 1293 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC21369  Agoseris aurantiaca var. aurantiaca Gilbert Muth 1965-8-12 s.n. Siskiyou Common around Marble Valley Comment
  CHSC86657  Agoseris grandiflora Jenny Marr 1993-7-1 40 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  HSC76761  Agoseris monticola K. T. Stillman 1976-9-9 492 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  HSC46233  Agoseris retrorsa Jennifer Whipple 1978-6-5 2345 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  UCD35429  Agrostis exarata Beecher Crampton 1956-8-21 3818 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  RSA115695  Agrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  CAS-BOT-BC138938  Agrostis pallens Copeland 1903-9-6 3801 Siskiyou Mount Eddy. Comment
  RSA116451  Agrostis scabra A. H. Murphy 1956-8-16 56 W Siskiyou Tangle Blue Lake, Klamath National Forest 1768 Comment
  UCD21466  Agrostis scabra Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1206 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  HSC34301  Agrostis stolonifera J. P. Smith, J. O. Sawyer 1973-8-14 7294 Siskiyou W shore of Campbell Lake 1768 Comment
  POM206868  Agrostis stolonifera Edward Palmer 1892-1 2659 Siskiyou near Mt. Shasta Comment
  UC1265425  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1527 Siskiyou vicinity English Peak (Upper English Lake); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  HSC30598  Agrostis thurberiana Frederick W. Oettinger 1968-9-5 713 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin, Base Camp meadow. 1936 Comment
  UC1265417  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou near Horse Range Lake (on s side of Horse Hole, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1859 Comment
  CAS-BOT-BC138481  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  SEINET12048093  Allium acuminatum Unknown 1945-1 Siskiyou Comment
  RSA50149  Allium amplectens E. K. Balls 1949-7-8 13919 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC462994  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  HSC98161  Allium campanulatum J. O. Sawyer 1969-7-15 1115 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  CAS-BOT-BC465426  Allium campanulatum Wm. Bridge Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  HSC69270  Allium falcifolium John S. Palmer 1980-7-24 641 Siskiyou Dillon Divide 1707 Comment
  JEPS84947  Allium falcifolium Barbara Ertter with Thomas J. Delendick 1987-5-17 6968 Siskiyou Summit Scott Mt. (1/2 mi e. of Rt. 3 on FR 40N08) 1706 Comment
  SEINET196192  Allium falcifolium R. S. Ferris, L Lorraine 1948-6-12 11840 Siskiyou Gazelle Mtn grade rd between Callahan and Gazelle 1500 Comment
  RSA47622  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  SEINET12053509  Allium falcifolium H. P. Chandler 1901-1 1647 Siskiyou Marble Mountain 2438 Comment
  JEPS82459  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou flat above Marble Valley; Marble Mt. Wilderness Area, Marble Gap trail 1828 Comment
  UC1299629  Allium siskiyouense Freed W. Hoffman 1950-7-13 3251 Siskiyou e slope at Baldy Lookout Baldy Lookout Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
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Mar 27 2015
  UCD141785  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou 2nd camp Marble Mountain Wilderness Area. Comment
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Mar 27 2015
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC478031  Allium validum Ira L. Wiggins 1955-7-21 13440 Siskiyou Rush Creek Trail, 2 miles above Mt. View Ranch 1097 Comment
  RSA634227  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA1890  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  UC127374  Alnus incana subsp. tenuifolia H. M. Hall and E. B. Babcock 1903-6-18 4139 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  JEPS58664  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou near Reeders; Shasta River 670 Comment
  CAS-BOT-BC169648  Alnus rhombifolia W. R. Dudley 1899-8-21 s.n. Siskiyou South Fork - Scott's Creek above Parker's Comment
  CAS-BOT-BC18598  Alyssum alyssoides George Dexter Butler 1910-5-15 1341 Siskiyou Near Yreka. Comment
  UC163666  Amaranthus blitoides Geo. D. Butler 1910-8-5 1812 Siskiyou Yreka Comment
  JEPS54294  Amaranthus californicus Geo. D. Butler 1908-7-16 544 Siskiyou near Yreka (along creek of Butler's ranch) Comment
  CAS-BOT-BC26879  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CDA25701  Amelanchier pallida T. C. Fuller 1962-6-13 8976 Siskiyou Highway 89 to McCloud 1.2 miles west of Bartle. 0 Comment
  HSC4963  Amelanchier pallida J. O. Sawyer 1968-6-18 178 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC98  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC136879  Amelanchier utahensis Isabelle C. Kimber 1934-6-9 21 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC136897  Amelanchier utahensis L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  JEPS82710  Amelanchier utahensis Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow); Cabin Meadow 1920 Comment
  UCR17262  Amelanchier utahensis Frank C. Vasek 1975-6-29 750629- 06 Siskiyou Gazelle Summit, 11.6 mi SW of Gazelle Comment
  RSA501140  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  CAS-BOT-BC391755  Anemone Peter H. Raven 1956-9-5 10459 Siskiyou North Fork of Sacramento River 2011 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
  CAS-BOT-BC391796  Anemone deltoidea H. M. Hall 1909-7-1 8675 Siskiyou Salmon Mountains. Salmon River 1584 Comment
  UCD19276  Anemone deltoidea Julie Knorr 1980-7-16 69 Siskiyou Trinity Alps Primitive Area,1 mi. up Fish Creek Trail,. 1676 Comment
  HSC69707  Anemone drummondii Maralyn A. Renner 1980-6-26 1259 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC391852  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  UCD77335  Anemone drummondii var. drummondii Robert E. Preston 2002-6-20 1858 Siskiyou Klamath National Forest, Rainbow Mountain 2255 Comment
  HSC22417  Anemone lyallii J. O. Sawyer 1969-6-12 936 Siskiyou Along Duck Lake Creek 1921 Comment
  HSC36950  Anemone lyallii J. P. Smith 1974-5-26 7588 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  RSA256596  Anemone lyallii J. P. Smith 1974-5-26 7556 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  HSC71323  Angelica genuflexa J. M. DiTomaso 1980-8-31 1967 Siskiyou 3 mi. S of Grayback Pass on road to Happy Camp. 1159 Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  HSC71992  Angelica tomentosa J. M. DiTomaso 1980-8-7 1861 Siskiyou Rattlesnake Meadow, below Preston Peak 1631 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  UC584290  Antennaria argentea G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2452 Siskiyou ridge on road from Callahan to Carrville Scott Mt. 1630 Comment
  JEPS22309  Antennaria dimorpha Gene Newcomb and Dr. Herbert Baker 1959-3-29 237 Siskiyou 4.5 mi n, along U.S. Hwy 99 Yreka 914 Comment
  JEPS95045  Antennaria geyeri Vernon Oswald and Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 1 mi s of Harris Spring; Forest Route 15 1463 Comment
  CAS-BOT-BC58710  Antennaria geyeri Elmer I. Applegate 1936-7-3 10496 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  SEINET2039593  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Five miles north of Weed on State Highway #49. 1070 Comment
  RSA238705  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou Occasional on open, granitic, rocky slope NNW of Upper English lake; western exposed and growing beneathe a sugar pine. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA233704  Antennaria rosea R. F. Thorne, Frederick W. Oettinger 1969-8-10 38973 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238721  Antennaria rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou N of Upper English lake just above moist meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC428042  Antennaria rosea subsp. rosea Julie Kierstead Nelson; Jordan Rainbow 2014-5-21 2014 -017 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. 1088 Comment
  HSC25422  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5665 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC45048  Antennaria rosea subsp. rosea J. O. Sawyer 1978-6-19 3256 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 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
  RSA240060  Antennaria umbrinella Frederick W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS104842  Antirrhinum cornutum Dean W. Taylor 1996-6-26 15762 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
  JEPS49787  Apocynum androsaemifolium W. L. Jepson Jul 17 1902-Jul 22 1902 2097 Siskiyou w. Siskiyou, Devil's Backbone 1828 Comment
  UC163992  Apocynum androsaemifolium Geo. D. Butler 1908-8-9 77 Siskiyou near Cold Spring (Woolly Creek) Comment
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May 9 2012
  POM75779  Apocynum androsaemifolium subsp. pumilum Edward Palmer 1892-7-13 2522 Siskiyou Mount Shasta and vicinity Comment
  RSA120890  Apocynum androsaemifolium subsp. pumilum G. D. Barbe 1957-7-13 381 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  HSC727  Aquilegia formosa William J. Ferlatte 1967-7-25 722 Siskiyou Caribou Basin 1982 Comment
  SBBG15640  Aquilegia formosa D. Myrick 1961-6-20 280 Siskiyou meadow at Bear Springs on S slope of Mt Shasta 1676 Comment
  SEINET10536203  Aquilegia formosa Mary Merello 1993-6-25 Merello 722 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC166049  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest foothills Comment
  HSC73991  Aquilegia formosa var. formosa Gail Newton 1980-6-20 484 Siskiyou Near Bald Mtn. 1097 Comment
  RSA211138  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-3 273 Siskiyou Josephine Lake basin. 1677 Comment
  HSC44499  Arabis breweri var. breweri K. Irwin 1977-5-22 386 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  RSA0126147  Arabis divaricarpa Frederick W. Oettinger 1968-9-10 814 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  JEPS53035  Arabis glabra Geo. D. Butler 1908-6-23 122 Siskiyou Yreka Comment
  RSA0125769  Arabis glabra S. O. Mattoon, Ken Hansen 1978-6-17 30 Siskiyou Old Hwy 99E; 5 miles S of I-5 at Siskiyou Summit. 1220 Comment
  RSA0125827  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 miles S of Etna at junction of Parrot Mill Road and French Creek Road. 945 Comment
  CDA24655  Arabis holboellii var. retrofracta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2617 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  HSC77493  Arabis holboellii var. retrofracta L. P. Janeway 1983-7-4 384 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  HSC99978  Arabis holboellii var. retrofracta Thomas W. Nelson, & Sydney Carothers 2005-7-17 9386 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  HSC57505  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-26 10157 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC92694  Arabis modesta D. L. Goforth 1980-4-26 499 Siskiyou Klamath River at McKinney Creek 537 Comment
  UC673139  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2907 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  RSA0128945  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  HSC75660  Arabis platysperma J. O. Sawyer, R. J. Cole 1980-7-20 3704 Siskiyou Little Glass Mtn. 1951 Comment
  RSA0129829  Arabis platysperma var. platysperma Frederick W. Oettinger 1968-8-4 390 -b Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  JEPS101148  Arabis pycnocarpa var. pycnocarpa Dean W. Taylor 1996-6-19 15715 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  HSC46215  Arabis subpinnatifida Jennifer Whipple 1976-5-2 909 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC67800  Arabis suffrutescens J. O. Sawyer, J. Cole 1980-7-22 3989 Siskiyou Little Horse Peak 1720 Comment
  UC165380  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek Comment
  UC1212569  Aralia californica Francia Chisake and Helen Sharsmith 1959-8-20 4744 Siskiyou Salmon R between Forks of Salmon and Somes Bar (several mi. from Forks of Salmon); Inner North Coast Ranges, Salmon R. 304 Comment
  JEPS48992  Arceuthobium Geo. D. Butler 1908-7-19 271 Siskiyou Humbug Creek Comment
  SEINET3239876  Arceuthobium californicum R. L. Mathiasen 2010-1 1016 Siskiyou 17.4 km from Rte. 96 on Dillon Mtn. rd. 1310 Comment
  SEINET11984862  Arctostaphylos R. Gankin, Brewer; Hildreth, W. R.; Milam 1965-1 610 Siskiyou 100 yards S of Somesbar Post Office, W of CA 96 Comment
  JEPS83893  Arctostaphylos nevadensis Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  RSA50235  Arctostaphylos nevadensis E. K. Balls 1949-7-9 13944 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  CAS-BOT-BC46437  Arctostaphylos patula W. B. C. 1938-6-17 11016 Siskiyou Sisson Southern Trail. 1524 Comment
  CAS-BOT-BC46466  Arctostaphylos patula L. E. Smith 1913-4-10 69 Siskiyou Near Sisson. Comment
  POM367401  Arctostaphylos patula L. C. Wheeler 1934-7-25 2984 Siskiyou Long John Creek. 1616 Comment
  CAS-BOT-BC46438  Arctostaphylos patula C. Hart Merriam 1910-10-4 s.n. Siskiyou Klamath River, 5 mi. below Hancock. Comment
  CDA38690  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  HSC35841  Arctostaphylos viscida J. O. Sawyer 1969-8-17 2033 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  UC165944  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  CAS-BOT-BC467186  Arenaria serpyllifolia var. serpyllifolia L. B. Kildale 1930-6-1 9737 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  JEPS98789  Arnica Sue Pappalardo 1993-7-19 495 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  RSA238803  Arnica amplexicaulis Frederick W. Oettinger 1968-9-1 648 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC682096  Arnica cernua G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3269 Siskiyou 15 mi n, above Indian Creek Happy Creek; Indian Creek 1219 Comment
  CDA10119  Arnica cordifolia var. pumila G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2608 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC82550  Arnica discoidea Alice Eastwood 1912-7-23 1338 Siskiyou Cantara Comment
  RSA758221  Arnica discoidea R. F. Thorne 1969-8-2 63326 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 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
  UC642539  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along wall of Mud Creek Canyon Mount Shasta, Mud Creek Canyon 2286 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  HSC46239  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  HSC65396  Arnica mollis Rich White 1978-7-3 203 Siskiyou 3/4 mile from Sawttoth Trail. Ridgetop near where Dillon Trail crosses Saddle 1768 Comment
  RSA142694  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  UC1408807  Arnica mollis Robert F. Thorne and Fred Oettinger 1969-8-10 38974 Siskiyou dryer portion of meadows, along small creek in forest Panther Creek Meadows; Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow 2194 Comment
  JEPS15407  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (area above se shore) Salmon Mts., Taylor Lake 1950 Comment
  UC1408811  Arnica parryi Frederick W. Oettinger 1969-7-28 1087 Siskiyou Tom's Upper Pond (above) Marble Mountain Wilderness Area, English Peak, The Salmon Mo 2026 Comment
  UC166158  Arnica spathulata Geo. D. Butler 1909-5-31 985 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC90082  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  UC1408754  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Upper English Lake Marble Mountains Wilderness Area, Salmon Mountains, English 1859 Comment
  UCD56028  Arrhenatherum elatius A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3442 Siskiyou Near Happy Camp. On sandy banks of Klamath River. Comment
  UCD129189  Artemisia arbuscula J. M. Tucker; L. K. Mann 1963-8-18 3764 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC90482  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  JEPS37042  Artemisia douglasiana Geo. D. Butler 1908-9-6 313 Siskiyou near Yreka (along creek); Butlers Ranch Comment
  CAS-BOT-BC90740  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side of Black Mountain, Marble Mts. 2011 Comment
  HSC76872  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  UC1119476  Artemisia tridentata subsp. tridentata H. A. Jensen 1933-7-29 336 Siskiyou 2 mi n Garrick Creek; Dunsmuir Quadrangle, Shasta Valley 883 Comment
  UC165759  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon of Shackleford Creek Comment
  UC637065  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River); , Klamath River, Walker Creek 609 Comment
  RSA293186  Aruncus vulgaris J. M. Smith 1978-5-28 9956 Siskiyou Klamath National Forest, 7.6 miles SE of Somes Bar on the road along the Salmon River Comment
  JEPS24024  Asarum caudatum R. Bacigalupi with Drs. Reino & Aloha Alava 1958-9-3 6885 A Siskiyou 2.5 miles north-east of Poker Flat; Siskiyou Mts. 1463 Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1755274  Asarum hartwegii D. W. Taylor 2004-6-10 19095 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  JEPS49845  Asclepias cordifolia Willis L. Jepson July 24, 1894-August 10, 1894 14529 Siskiyou near Sissons; Region of the Upper Sacramento Comment
  CHSC71848  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  HSC3281  Asclepias fascicularis R. C. Wunner 1965-7-9 348 Siskiyou Lava Beds N.M. 200 yds. off Hardin Butte Trail to N 0.5 mi. from main road 1341 Comment
  SEINET7112709  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou Near Yreka Comment
  RSA747344  Asclepias speciosa K. M. Meyer, A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  UC61044  Asclepias speciosa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  SEINET7121037  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  CAS-BOT-BC105088  Aspidotis densa R. C. Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93 / Cecilville Rd. (6,200 ft) to Hidden Lake (6,660 ft) 2029 Comment
  CAS-BOT-BC69553  Aspidotis densa Ira L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake (head-waters of Grouse Creek). 1828 Comment
  CAS-BOT-BC69596  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1948-6-12 11794 Siskiyou Scott Mountain Road s. of Callahan. Comment
  CDA42727  Aspidotis densa T. C. Fuller, D. H. Shaw 1974-9-24 20043 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC34465  Aspidotis densa J. D. Ackerman, A. M. Montalvo 1974-8-18 430 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. in the Siskiyou Mtns. 1829 Comment
  UCD137313  Aspidotis densa Dorothy Tebbe 1929-6-7 142 Siskiyou Mt. Eddy. Comment
  SEINET11852800  Aster alpigenus var. andersonii C. T. Pringle 1882-1 s.n. Siskiyou Mts. about headwaters of Sacramento River Comment
  UC862503  Astragalus arrectus L. E. Smith 1913-7-1 Siskiyou Hilt Comment
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Jan 31 2013
  HSC41081  Astragalus californicus Rich White 1977-5-21 71 Siskiyou Junction of Miners Creek Rd. and Rd. 8 , 5.5 mi. W of Callahan. Comment
  RSA120886  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  CDA26671  Astragalus gambelianus F. D. Horn 1980-4-24 Siskiyou Hornbrook. 0 Comment
  RSA26469  Astragalus lentiginosus var. salinus Alice Eastwood, J. T. Howell 1940-6-14 8271 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  JEPS54792  Astragalus purshii E. B. Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  CAS-BOT-BC192966  Astragalus purshii var. purshii L. E. Smith 1913-5-18 231 Siskiyou Bray Comment
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC193066  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka Comment
  JEPS54807  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-3 708 Siskiyou Butcher Hill , Butcher Hill (Yreka) Comment
  JEPS54811  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug Comment
  RSA415394  Astragalus purshii var. tinctus Louis C. Wheeler 1934-6-9 2667 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  SEINET10490026  Astragalus purshii var. tinctus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17940 Siskiyou 9 mi nof weed on us hwy 97, at whitney creek. Sw facing slope; volcanic pumice Some sedimentary loamy soil; assoc with pinus ponderosa, artemisia, bromus, and Arctostaphylos. 1250 Comment
  CAS-BOT-BC198717  Astragalus whitneyi var. siskiyouensis G. J. Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge 2468 Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CAS-BOT-BC198713  Astragalus whitneyi var. siskiyouensis Douglas Barbe 1955-7-26 272 Siskiyou Northwest slope of Scott Mtn. - Klamath Mountains 1828 Comment
  RSA94036  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  HSC67631  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-16 4396 Siskiyou Blue Mtn. Comment
  RSA215608  Athyrium americanum Anonymous 1969-8-7 1270 Siskiyou Boulder Peak Ridge. 2470 Comment
  RSA126271  Athyrium filix-femina subsp. cyclosorum I. L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  CAS-BOT-BC66183  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  JEPS93960  Atriplex prostrata Vernon H. Oswald and Lowell Ahart 1998-9-16 9650 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  RSA210848  Atriplex truncata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39039 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CAS-BOT-BC106546  Balsamorhiza deltoidea L. E. Smith 1914-4-25 641 Siskiyou Yreka Comment
  RSA121103  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 s.n. Siskiyou 0.25 mile east of Symbol Bridge on Road 1418 Comment
  CAS-BOT-BC106445  Balsamorhiza sericea A. M. Vollmer; L. Beane 1951-5-31 30 Siskiyou On scree near highway, Scott Mountain Comment
  HSC75155  Balsamorhiza sericea Thomas W. Nelson, Jane P. Nelson 1979-5-26 4716 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC22466  Barbarea orthoceras J. O. Sawyer 1969-7-18 1371 Siskiyou Above S Russian Creek. 2012 Comment
  RSA264996  Barbarea vulgaris Gilbert Muth 1975-7-30 9961 Siskiyou Near Red Butte; near Seiad Valley. 1854 Comment
  UCR101150  Berberis aquifolium var. aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Saloman and Marble Mtns, Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  HSC22117  Berberis aquifolium var. dictyota J. O. Sawyer 1969-8-17 2018 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  HSC26925  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4848 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC67762  Berberis aquifolium var. repens John Palmer 1980-8-15 973 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  HSC69522  Berberis aquifolium var. repens Maralyn A. Renner 1980-6-26 1286 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CDA15576  Berberis nervosa G. F. Hrusa 1998-7-5 14683 a Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  HSC5003  Berberis nervosa J. O. Sawyer 1968-6-25 333 Siskiyou 1646 Comment
  UC1190258  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou 2 mi above Mt View Ranch (Rush Creek Trail) 1097 Comment
  HSC100791  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the W edge of the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  CAS-BOT-BC169482  Betula occidentalis L. E. Smith 1913-3-28 617 Siskiyou Weed Comment
  CAS-BOT-BC169490  Betula occidentalis John Thomas Howell 1964-5-11 40701 Siskiyou Scott Valley between Etna and Callahan Comment
  HSC68580  Betula occidentalis Maralyn A. Renner 1980-6-23 972 Siskiyou W Fork Seiad Creek 878 Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  UC179515  Bidens cernua A. A. Heller 1914-8-25 11718 Siskiyou near Deetz (opposite Black Butte) 1158 Comment
  POM29857  Bidens cernua Geo. D. Butler 1908-9-25 501 Siskiyou Shasta River Comment
  SD76151  Bidens vulgata Helen V. Witham 1969-10-7 570 Siskiyou Edge of Scott River, 10 miles west of Fot. Jones. 700 Comment
  HSC77073  Bistorta bistortoides K. T. Stillman 1976-6-26 120 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  HSC75109  Blepharipappus scaber J. P. Smith, Thomas W. Nelson 1979-6-16 10139 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  CAS-BOT-BC16893  Boechera R. E. Frenkel 1964-7-14 677 Siskiyou In Panther Meadow campground near Mount Shasta. 2377 Comment
  RSA0125481  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA0125963  Boechera Elmer I. Applegate 1932-6-13 7239 Siskiyou Captain Jack s Stronghold, Modoc Lava Beds Comment
  UC375284  Boechera acutina Geo. D. Butler 1910-6-5 1537 Siskiyou Log Lake Comment
  JEPS77451  Boechera breweri W. J. Ferlatte 1974-7-25 1586 Siskiyou 100 yds n Dorleska Summit (Grouse Ridge on Trinity Co. line); Trinity Alps, Grouse Ridge 2103 Comment
  UC166052  Boechera breweri Geo. D. Butler 1909-7-15 892 Siskiyou Highland Mine Comment
  CAS-BOT-BC16053  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  CAS-BOT-BC14111  Boechera pauciflora A. A. Heller 1905-6-20 8083 Siskiyou Between Igerna and Weed. Collected near the railraod a short distance south of Weed, not many miles from Yreka. Comment
  CAS-BOT-BC540349  Boechera paupercula Dana York 2012-7-20 3118 Siskiyou Siskiyou Mountains: Klamath National Forest, Red Buttes Wilderness, 430 m SSW of Red Butte along a ridge 1950 Comment
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Aug 6 2017
  UCD114421  Boechera pinetorum Robert E. Preston 1983-6-9 393 Siskiyou On N side of dirt road, ca. 1/8 mi E of jct with road to Juanita Lake. 1304 Comment
  CAS-BOT-BC14463  Boechera platysperma Alice Eastwood 1921-7-28 10897 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC14518  Boechera puberula Ira L. Wiggins 1950-5-28 12376 Siskiyou Ridge just above Grouse Lake (headwaters of Grouse Creek). 1828 Comment
  CAS-BOT-BC14667  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sisson. Comment
  CAS-BOT-BC25619  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11762 Siskiyou East fork of Scott River one mile north of Callahan. Comment
  CAS-BOT-BC17216  Boechera rollei Wayne E. Rolle 1985-8-27 s.n. Siskiyou Near Lilypad Lake, Red Butte and Kangaroo Mountain. 1767 Comment
  CAS-BOT-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  UC673133  Boechera subpinnatifida Lincoln Constance and Reed C. Rollins 1942-5-14 2923 Siskiyou 4 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  CAS-BOT-BC25926  Boechera suffrutescens Thomas W. Nelson; Jane P. Nelson 1980-7-17 6094 Siskiyou Along Forest Service road 17, 0.5 mile north of summit at county line. Comment
  POM32013  Boisduvalia densiflora E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook. Comment
  RSA0028753  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  SBBG56201  Botrychium multifidum L. G. Yates 1894-7-30 Siskiyou Sisson Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  UC375291  Brassica rapa Geo. D. Butler 1908-6-20 1053 Siskiyou yards around Yreka Yreka Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  UCD77426  Brickellia grandiflora Robert E. Preston 2001-7-21 1711 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2026 Comment
  OBI55536  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  UCD58304  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3413 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CHSC61559  Bromus carinatus var. carinatus L. P. Janeway 1983-9-11 683 Siskiyou Siskiyou Mountains; at Poker Flat. In the middle of the lower part of the meadow. 1524 Comment
  UC70745  Bromus carinatus var. carinatus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  CAS-BOT-BC148789  Bromus carinatus var. marginatus Doris K. Kildale 1928-7-4 5515 Siskiyou Summit of divide between Sawyers Bar and Etna. Comment
  CAS-BOT-BC155219  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  POM112544  Bromus hordeaceus Geo D. Butler 1910-5-4 1276 Siskiyou Dry hill, Yreka. Comment
  POM363435  Bromus marginatus M. B. Dunkle 1945-1 9287 Siskiyou King's Castle; Klamath National Forest. Marble Mountains Comment
  CAS-BOT-BC162129  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Along the railroad just above Shasta Springs. Comment
  JEPS80603  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains Wilderness Area, Marble Valley Marble Valley; Marble Mountains Wilderness Area, Marble Valley 1798 Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  JEPS69222  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  UCD59865  Bromus tectorum Sandra L. Holloway 1963-4-11 33 Siskiyou Umbrella Hill,' 1 mile S of Oberlin Road and 5 miles SE of Yreka. 762 Comment
  UCD60248  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC31068  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou Salmon Mountains, Shasta Ridge, N slope of English Peak 2073 Comment
  HSC31054  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  CAS-BOT-BC185263  Calamagrostis koelerioides Doris K. Kildale 1928-8-20 6621 Siskiyou Hancock Lookout, on trail to Marble Mountain. 2151 Comment
  CAS-BOT-BC185267  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  POM353039  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Marble Mts., Klamath National Forest. Comment
  RSA245255  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou Southeast slope above Sugar Lake. 2165 Comment
  UC1265352  Calamagrostis koelerioides F. W. Oettinger 1968-8-23 605 Siskiyou on slope of Peak below overlook of English Lake (on trail to Tom Taylor Cabin); Salmon Mountains, English Peak 2072 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  NY18933  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA12708  Calocedrus decurrens C. B. Wolf, E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds, 14.3 miles northeast of Fall River on road from Dana to Little Hot Springs Valley 1220 Comment
  RSA352871  Calocedrus decurrens B. C. Templeton 1969-9-5 11425 Siskiyou About 2 miles northwest of the town of Mt. Shasta 1090 Comment
  UC718145  Calocedrus decurrens C. B. Wolf and E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds Modoc Lava Beds (14.3 mi e of Fall Riveron Rd. from Dana to Little Hot Springs Valley) 1219 Comment
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Mar 29 2012
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  RSA120214  Calochortus coeruleus S. S. Tillett 1956-7-11 703 Siskiyou Just N of campground, Scott Mtn. divide, ca. 8 mi. SE of Callahan. 1631 Comment
  UC705734  Calochortus macrocarpus Marion Ownbey, Fred G. Meyer 1940-7-5 2177 Siskiyou n slope Table Rock; Little Shasta River Comment
  HSC15364  Calochortus macrocarpus R. C. Wunner 1965-7-20 401 Siskiyou Lava Beds National Monument, Indian Wells near N prefab 1433 Comment
  HSC44993  Calochortus nudus J. P. Smith, Steve Selva 1970-7-18 4488 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
  CAS-BOT-BC132456  Calochortus persistens Frank Callahan 2007-6-18 s.n. Siskiyou Little Cottonwood Peak. Ca. 13 miles south of the Oregon State Line Comment
  SEINET8214323  Calochortus persistens Frank T. Callahan 1972-7-15 Siskiyou Gunsight Peak, Mahogany Pt; west of Yreka, California. 1896 Comment
  HSC44912  Calochortus tolmiei J. P. Smith, Steve Selva 1970-6-16 4003 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  CAS-BOT-BC132629  Calochortus uniflorus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy 1371 Comment
  CAS-BOT-BC181519  Caltha leptosepala Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC19232  Caltha leptosepala J. O. Sawyer 1969-8-5 1772 Siskiyou W of Little Duck Lake 2073 Comment
  HSC4945  Caltha leptosepala J. O. Sawyer 1968-7-9 433 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC58896  Caltha leptosepala Marvin Butler 1971-7-6 32 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  CAS-BOT-BC273394  Calycadenia fremontii Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar 274 Comment
  UC1971673  Calycadenia truncata 1977-7-2 2010 Siskiyou Along Klamath River exit of I-5, 12 mi N of Yreka, rocky road cut W of road. 641 Comment
  POM208289  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts 762 Comment
  CAS-BOT-BC272749  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  UC420610  Calyptridium umbellatum Harley P. Chandler June, 1901 1581 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC725361  Calyptridium umbellatum A. A. Heller 1940-7-25 15771 Siskiyou about Horse Camp (Mount Shasta); Mount Shasta 2438 Comment
  UC164126  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1910-5-23 1397 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC497588  Camassia quamash subsp. breviflora D. E. Breedlove 1962-6-11 3372 Siskiyou Along State Highway 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  HSC6617  Camelina microcarpa W. L. Jepson 1940-6-23 19984 Siskiyou ca. 2 mi. E of Montague 823 Comment
  CAS-BOT-BC160907  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou Along U.S. Highway #97, just south of Bray 1402 Comment
  CAS-BOT-BC160903  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17900 Siskiyou U. S. Highway 97, 14 miles south of Macdoel Comment
  POM160660  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Medicine Lake 2134 Comment
  SEINET10462934  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5998 Siskiyou NR MCNEAL CR., SALMON MT QUAD., NR FORKS OF SALMON 2402', CLIFF OR BLUFF, BOULDERS Comment
  SEINET10840311  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 6008 Siskiyou NR SALMON R., LITTLE N. FORK, SAWYER'S BAR QUAD 2241', HILLSIDE, GRAVELLY SOIL, NR FORKS OF SALMON Comment
  RSA758220  Campanula prenanthoides R. F. Thorne 1969-8-2 63327 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
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Jul 26 2017
  SEINET10462923  Campanula prenanthoides Cooke 1940-7-12 COOKE 15307 Siskiyou NR RD IN BOX CNYN OF SACRAMENTO R NR MT SHASTA CITY 3000 Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  SEINET10463072  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou KLAMATH NATL FOR ALONG HWY 96 NR SOMES BAR. T12N R6E Sec. 33 219 Comment
  SEINET10463083  Campanula prenanthoides G. B. Grant Grant 5188 Siskiyou Mount Shasta Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  SEINET10463604  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou SISSON, MT. SHASTA Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  CAS-BOT-BC266461  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Valley Creek meadows Comment
  SEINET10463876  Campanula wilkinsiana Hosford 1881-8-24 HOSFORD s.n. Siskiyou Mount Shasta Comment
  SEINET10972124  Campanula wilkinsiana Graves 1944-8-28 GRAVES s.n. Siskiyou Panther Meadows, Mt. Shasta Comment
  CAS-BOT-BC37315  Cardamine breweri William Bridge Cooke 1939-6-23 13508 Siskiyou Mount Shasta. Along the creeks in Bear Springs. 1524 Comment
  HSC29188  Cardamine californica Frederick W. Oettinger 1967-7-26 184 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin spring 2049 Comment
  JEPS116630  Carduus nutans Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -005 Siskiyou North side Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  SJSU15088  Carduus pycnocephalus subsp. pycnocephalus C. W. Sharsmith 1992-9-17 9246 Siskiyou Lower Klamath Lake, 3-4 mi E of Highway 97 on Stateline Road, Klamath Wildlife Refuge 1225 Comment
  CAS-BOT-BC19772  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  UC833305  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  RSA237333  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1249 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC17861  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  UCR52390  Carex amplifolia L. P. Janeway 1982-6-27 27 Siskiyou Marshy area c. 125 m SE of Johnson Creek on the SW side of Elk Creek Trail. 732 Comment
  CHSC107108  Carex angustata R. E. Brainerd 2009-7-22 1549 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  UC1195514  Carex angustata Geo. D. Butler 1909-6-22 855 Siskiyou Goosenest foothills Comment
  HSC26099  Carex athrostachya J. O. Sawyer 1969-7-9 1204 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  SEINET8355497  Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River NF: low on the New London, between the first and second acute corners, near the trailhead, between Rd 1050 and the creek. Comment
  HSC39256  Carex echinata subsp. echinata J. O. Sawyer 1969-8-5 1754 Siskiyou W of Little Duck Lake 2073 Comment
  HSC98401  Carex echinata subsp. echinata Jennifer Whipple 1977-8-6 2211 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  UC55223  Carex feta H. M. Hall and E. B. Babcock June, 1903 4061 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CHSC82840  Carex fracta L. P. Janeway 2002-7-12 7629 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  CHSC109948  Carex geyeri Peter F. Zika; Julia Nelson 2012-6-21 25906 Siskiyou Klamath Range. Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19. 1665 Comment
  CAS-BOT-BC20469  Carex halliana Alice Eastwood 1921-7-28 10943 Siskiyou Medicine Lake. Comment
  UCD140363  Carex halliana S. S. Tillett 1956-7-11 690 Siskiyou Siskiyou - Trinity County: County line, north side Scott Mountain divide near campground; ca. 8 miles SE of Callahan. 1615 Comment
  HSC81979  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-16 4860 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  JEPS121602  Carex hassei Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  UC837247  Carex inops subsp. inops L. E. Smith 1913-4-29 149 Siskiyou McCloud Comment
  HSC59014  Carex integra Marvin Butler 1971-7-7 40 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction 2073 Comment
  JEPS63703  Carex jonesii B. C. Goldsmith 1916-10-10 37 Siskiyou Widow Creek Mt. Shasta, Widow Creek Comment
  UCD77475  Carex jonesii Robert E. Preston 2001-7-21 1726 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  HSC29641  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins, along stream that runs from Tom's Upper Pond to Tom's Lower Pond 2012 Comment
  HSC45542  Carex lanuginosa J. P. Smith, Steve Selva 1970-7-16 4373 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS109226  Carex lemmonii D. W. Taylor 2005-8-18 19477 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  CAS-BOT-BC28429  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1828 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
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  CHSC107137  Carex microptera R. E. Brainerd 2009-7-22 1550 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  CAS-BOT-BC32012  Carex multicaulis M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on S Fork of Salmon River. 1524 Comment
  HSC36157  Carex multicaulis J. P. Smith 1974-5-26 7553 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC45959  Carex multicaulis J. P. Smith 1973-5-5 6418 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC9  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1677 Comment
  HSC91358  Carex multicostata Jennifer Whipple 1978-10-6 2407 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley Comment
  JEPS119369  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle. Comment
  CHSC98338  Carex nebrascensis Thomas W. Nelson; Jane P. Nelson 1982-7-30 7321 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  POM82240  Carex nebrascensis Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  UC1235  Carex nigricans W. H. Brewer 1862-9-15 1379 Siskiyou Mt. Shasta 2560 Comment
  CAS-BOT-BC119473  Carex nudata L. P. Janeway 1983-7-30 463 Siskiyou Hornbrook quad. Along the N side Klamath River. 586 Comment
  CAS-BOT-BC119477  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53432 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 990 Comment
  SEINET7569430 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1006 Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC119208  Carex pachystachya Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  CAS-BOT-BC118575  Carex praegracilis Lewis Samuel Rose 1937-7-3 37397 Siskiyou Weed. 944 Comment
  UC1950435  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CHSC43993  Carex rossii L. P. Janeway 1983-8-7 525 Siskiyou Along S. Fk. Indian Cr. Rd (17N32) ca 17 miles from Indian Cr. Rd. 1402 Comment
  CAS-BOT-BC118215  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, on S side of and above S Fk Indian Cr. 1463 Comment
  HSC37155  Carex rossii J. O. Sawyer 1969-6-12 886 Siskiyou Above Sugar Creek, NW facing slope 1619 Comment
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  HSC62624  Carex rostrata Al Hobart 1968-9-4 Siskiyou Youngs Valley Comment
  SEINET7574453 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8789 Siskiyou Scott Mountain 7.5' quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creek let complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  RSA238966  Carex scopulorum Frederick W. Oettinger 1968-8-2 353 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET3908064  Carex scopulorum K. Morris, Conrad; Dunn 1973-6-2 346 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263.; 0 Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC96434  Carex scopulorum var. bracteosa Gordon Leppig; Jennifer Kalt 1996-7-9 368 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC96589  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 391 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CHSC113781  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountain. Klamath Range (KR). 1000 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC2107  Carex spectabilis N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 1828 Comment
  HSC76946  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC715  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  HSC77253  Carex spectabilis L. P. Janeway 1983-7-9 392 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  SEINET10749734  Carex sterilis A. Arthur Heller 1905-6-15 Heller 8041 Siskiyou Near Sisson. Comment
  UC70598  Carex straminiformis Geo. B. Grant September, 1902 5116 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UCR245613  Carex straminiformis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Northwestern; Klamath Ranges region, Mt. Shasta National Forest: south slope of Mt. Shasta, above ski lodge 2317 Comment
  POM79940  Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2439 Comment
  CAS-BOT-BC115853  Carex subfusca Cyrus Guernsey Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta 2438 Comment
  SEINET7577190 Image available Carex subfusca Ray Tallent 1987-8-13 916 Siskiyou Klamath National Forest. Forest Rd 39N11 at Little Jackson Creek; Along road. 1740 Comment
  SEINET10750082  Carex subfusca William B. Cooke 1941-9-10 Cooke 16309 Siskiyou In the vicinity of Horse Camp, Mt. Shasta. 2438 Comment
  UC637053  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp, Waldo (Oregon) Road Watershed of West Branch of Indian Creek 1371 Comment
  CHSC110082  Carex viridula subsp. viridula Barbara L. Wilson; Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest, along road 41N03, 3.3 miles from road 2H001. 1704 Comment
  JEPS95112  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  CAS-BOT-BC59701  Cassiope mertensiana Volney Rattan 1879-1-1 s.n. Siskiyou Klamath. Comment
  SEINET11262566  Castilleja applegatei James P. Smith 1974-5-27 7610 Siskiyou Copco Quad. Along Forest Service Road 47NO3.; 0 1280 Comment
  HSC103045  Castilleja applegatei subsp. pinetorum J. P. Smith 2014-6-7 13903 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  UC138771  Castilleja applegatei subsp. pinetorum Copeland 1903-8-14 3883 Siskiyou Sisson Comment
  JEPS36500  Castilleja applegatei subsp. pinetorum Edward J. O'Neill 1964-8-1 Siskiyou Upper Klamath Unit No. 1, Oregon-California boundary Klamath Basin National Wildlife Refuge Comment
  CAS-BOT-BC243771  Castilleja applegatei var. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC243755  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-6 5229 Siskiyou Peak above and north of Divide of Siskiyou Mts., California on Takilma-Happy Camp Road 1828 Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  UC922479  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1949-7-20 5813 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  HSC711  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mtn. 2470 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  JEPS19682  Castilleja lacera Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5939 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  JEPS4512  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  UC1021597  Castilleja lacera W. A. Weber and Lewis S. Rose 1953-5-22 8459 Siskiyou 3 mi n Weed 1127 Comment
  UC726462  Castilleja lacera A. A. Heller 1919-6-20 13260 Siskiyou Metcalf's Comment
  HSC20532  Castilleja linariifolia R. C. Wunner 1965-6-30 312 Siskiyou Lava Beds N.M., .1 mi. above Big Painted Cave Comment
  JEPS74484  Castilleja miniata W. J. Ferlatte 1966-8-2 232 Siskiyou between campground and South Fork of Salmon River (Big Flat); Trinity Alps, Big Flat 1524 Comment
  UC164431  Castilleja miniata Geo. D. Butler 1908-8-10 424 Siskiyou Shackleford Creek Comment
  UC922473  Castilleja miniata Annie M. Alexander and Louise Kellogg 1949-7-20 5811 Siskiyou slope above Paradise Lake; Marble Mountains 1920 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-BC254011  Castilleja miniata Gilbert Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  LA209238  Castilleja miniata Alice Eastwood; 1939-8-24 Siskiyou Mount Shasta, Squaw Valley Creek meadows 2438 Comment
  CAS-BOT-BC26228  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  HSC19304  Castilleja pruinosa J. O. Sawyer 1968-6-25 310 Siskiyou NE of N Horse Range Lake 2012 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
  UC1187076  Castilleja pruinosa David D. Keck 1940-6-13 5175 Siskiyou 9 mi s Macdoel (on U.S. Hwy 97, between Dorris and Weed) 1463 Comment
  UC705595  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou nw of Yreka (w of Craggy Mountain) Comment
  POM266874  Castilleja pruinosa Marion Ownbey, Fred G. Meyer 1940-7-7 2218 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC241082  Castilleja schizotricha Annie M. Alexander; Louise Kellogg 1949-7-22 5840 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 2072 Comment
  HSC76640  Castilleja schizotricha K. T. Stillman 1976-6-25 102 Siskiyou Marble Mt. Wilderness Area, NE facing on Black Mt. 2134 Comment
  UC229953  Ceanothus cordulatus H. E. Brown Jun 1-10 1897 Siskiyou near Sisson 1083 Comment
  SEINET13945833 Image available Ceanothus cuneatus F. G. Meyer 1938-1 1328 a Siskiyou On open slopes, 20 miles N of Redding Comment
  JEPS103784  Ceanothus cuneatus var. cuneatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near South Fork of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 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
  RSA240090  Ceanothus integerrimus Frederick W. Oettinger 1969-8-25 1550 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  SEINET5430944 Image available Ceanothus jepsonii Ross C. Clark, Bob Harvey; Chris Harvey 23913 Siskiyou Town of Mt. Shasta. Comment
  CAS-BOT-BC53086  Ceanothus prostratus W. R. Dudley 1899-8-10 s.n. Siskiyou Near Sisson Comment
  RSA256581  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along Forest Service Road 47N03. 1524 Comment
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Feb 26 2013
  UC164316  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley Comment
  SBBG16537  Ceanothus prostratus var. prostratus D. Myrick 1961-6-20 268 Siskiyou near Mt Shasta City 1066 Comment
  CAS-BOT-BC63156  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  JEPS42384  Ceanothus velutinus W. L. Jepson July 1894 14014 Siskiyou Sisson Comment
  POM85994  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  UC1071459  Ceanothus velutinus H. A. Jensen 1933-9-25 355 Siskiyou Spring Hill Dunsmuir Quad. 1188 Comment
  HSC99610  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-28 6149 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CDA15579  Centaurea nigra G. F. Hrusa 1998-7-5 14686 Siskiyou Siskiyou Mountains; Immed. S of Indian Creek Bridge at base of pass between Happy Camp CA. & O'Brien OR. Comment
  UC1216710  Centaurea solstitialis W. B. and V. G. Cooke 1962-8-19 33547 Siskiyou Mt. Shasta 1280 Comment
  UC2014141  Centaurea solstitialis Steve Orloff September 2011 SQK 472276 S1-D Siskiyou Siskiyou County: From a property along the Klamath River. Comment
  CAS-BOT-BC281205  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adjacent lawn of ranch house and rangeland, W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville Comment
  UCD130113  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 a Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  UC189123  Centaurium muehlenbergii Edward Lee Greene Jul 1876 Siskiyou Yreka Comment
  HSC2261  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  JEPS38136  Centromadia fitchii Geo. D. Butler 1908-7-23 507 Siskiyou Yreka Comment
  CAS-BOT-BC288800  Centromadia fitchii A. A. Heller 1925-7-25 13907 Siskiyou About 7 miles S of Yreka Comment
  UC1045277  Cephalanthera austiniae W. Bridge Cooke 1940-6-6 15080 Siskiyou along Castle Lake rd. Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  CDA3351  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2584 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CDA3360  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384986  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  HSC103384  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Little Shasta Rd., 5 mi. E of Montague. Comment
  HSC68020  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4037 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UC956839  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-8-26 8291 Siskiyou w Tule Lake; w of Tule Lake Comment
  RSA138253  Cercis occidentalis Percy C. Everett, E. K. Balls 1959-10-24 23946 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  CAS-BOT-BC136982  Cercocarpus C. H. M. 1919-10-12 s.n. Siskiyou Yreka - Ft. Jones grade Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  UCD113081  Cercocarpus betuloides var. macrourus Delbert W. Hubbs 1975-10-8 s.n. Siskiyou Near Callahan. 1219 Comment
  CAS-BOT-BC148523  Cercocarpus ledifolius var. ledifolius C. Hart Merriam 1919-10-12 s.n. Siskiyou Mts. between Yreka & Ft. Jones (north or Yreka side of grade). Comment
  UC165742  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-5-4 1274 Siskiyou near Yreka Comment
  CHSC291  Chaenactis douglasii var. douglasii N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. Comment
  CHSC69069  Chaenactis douglasii var. douglasii Vernon Oswald; Lowell Ahart 1997-7-28 8769 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  HSC82203  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5968 Siskiyou Fowler's Campground 1006 Comment
  JEPS34206  Chaenactis douglasii var. douglasii W. L. Jepson Jul 17 1902-Jul 22 1902 2100 Siskiyou Devil's Backbone, w Siskiyou Devil's Backbone 1828 Comment
  UC1282028  Chaenactis douglasii var. douglasii Louise Kellogg Aug 5 1953-Aug 7 1953 128 Siskiyou 1 mi n of Cory Peak (Klamath National Forest (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road), Cabin Meadow); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  UC456029  Chaenactis douglasii var. douglasii I. J. Condit 1911-7-1 Siskiyou Sisson Sisson (roadside) Comment
  CAS-BOT-BC276760  Chaenactis douglasii var. douglasii A. A. Heller 1916-6-23 12431 Siskiyou Near Black Butte N of Sisson 1127 Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  HSC69036  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-7 2366 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SEINET11052218  Chamaecyparis lawsoniana A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Creek, near Methodist Camp, SW of Castle Lake turnoff. Comment
  CDA41127  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou East side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of MacDoel. 0 Comment
  HSC77230  Chamaesyce maculata L. P. Janeway 1982-7-9 51 Siskiyou Along the shoulder of Hwy. 96, S of Happy Camp. 335 Comment
  CAS-BOT-BC160569  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  UC725674  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou e side Mt Eddy (near Wagon Creek) 1524 Comment
  UC1034058  Chenopodium botrys W. Bridge Cooke 1941-9-5 16265 Siskiyou along Memorial Hwy as far as MacBride Springs; Mt. Shasta Comment
  RSA64788  Chenopodium vulvaria L. C. Wheeler 1934-10-6 11412 Siskiyou Edge of path, Yreka. 793 Comment
  HSC69312  Chimaphila menziesii Maralyn A. Renner 1980-7-24 1969 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UCD77531  Chimaphila menziesii Robert E. Preston 2001-6-23 1550 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  CAS-BOT-BC452270  Chimaphila umbellata Alice Eastwood 1912-7-23 1352 Siskiyou Cantara Comment
  CHSC71575  Chimaphila umbellata Vernon H. Oswald; Lowell Ahart 1998-8-3 9433 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UC618646  Chimaphila umbellata W. Bridge Cooke 1938-8-5 11459 Siskiyou Mt. Shasta, Sisson Southern Trail 1828 Comment
  CAS-BOT-BC452257  Chimaphila umbellata W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains, near camp Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA183672  Chimaphila umbellata subsp. occidentalis Gilbert Muth 1965-8-10 197 Siskiyou Marble Valley and along upper trail, Marble Mts. Comment
  CDA1896  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. 0 Comment
  HSC27629  Chrysolepis chrysophylla Carl W. Mize 1972-6-22 90 Siskiyou In a draw past cut block #48 1113 Comment
  OBI55421  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  JEPS24624  Chrysolepis sempervirens Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6777 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everitt Memorial Highway to Panther Meadow, sw base of Mt Shasta); Mt. Shasta, Everitt Memorial Highway 1219 Comment
  UC847773  Chrysolepis sempervirens Lewis S. Rose 1937-7-25 37594 Siskiyou Mt. Shasta City 1158 Comment
  SEINET13952964 Image available Chrysolepis sempervirens E. K. Balls 1949-1 13923 Siskiyou 5 miles from Callahan, by junction of road to Tangle Blue Lake from Scott Mt. southern Siskiyou. 4,500 ft. 152 Comment
  JEPS22375  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1940-6-23 20021 Siskiyou near Andesite Station (along Weed-Klamath Falls highway) 975 Comment
  CDA1183  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CAS-BOT-BC278036  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278052  Cirsium cymosum R. C. Barneby 1954-5-15 11500 Siskiyou 3 mi. n. of Edgewood 929 Comment
  OBI60939  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Hawkinsville, Humbug Rd about 2 mi W of Hwy 263, BLM land Comment
  CAS-BOT-BC279880  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest 1981 Comment
  CAS-BOT-BC279892  Cirsium douglasii var. breweri R. Ornduff; J. R. Swanson 1960-7-27 6271 Siskiyou About one mile north of Trinity County line on road from Scott Mountain to Trinity Center 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
  CAS-BOT-BC288014  Cirsium occidentale var. candidissimum Doris K. Kildale 1928-7-25 5865 Siskiyou Klamath River between Gottville and Brown's Resort Comment
  HSC72015  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8977 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  JEPS81662  Cirsium occidentale var. venustum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2316 Siskiyou Northern side of McCloud arms of Shasta Lake (15 mi from hwy 99 along Gilman Road) 487 Comment
  RSA297179  Cirsium vulgare Geo. D. Butler 1908-8-17 505 Siskiyou Along Creek, Butler's Ranch near Yreka Comment
  CAS-BOT-BC228985  Cistanthe umbellata Alice Eastwood 1912-7-15 1059 Siskiyou Mc Cloud [McCloud] Comment
  UC337284  Clarkia gracilis subsp. gracilis J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  RSA105440  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou Klamath Mountains: 1.3 miles east of Etna on the Westside Road to Callahan 854 Comment
  UC454552  Clarkia rhomboidea I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  UCSB385  Clarkia rhomboidea Myrick, Donald 1961-6-20 Siskiyou near Mt.Shasta City 1066 Comment
  HSC61812  Claytonia lanceolata Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
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Sep 27 2006
  HSC64294  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6405 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC163722  Claytonia perfoliata subsp. intermontana Geo. D. Butler 1908-8-2 66 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC443831  Claytonia rubra subsp. rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53399 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  UC618649  Claytonia rubra subsp. rubra unknown 1938-6-24 11063 Siskiyou MacBride Springs; Mount Shasta Comment
  RSA239285  Clematis ligusticifolia Frederick W. Oettinger 1966-7-16 32 Siskiyou N bank of S Fork of Salmon river, 100 yards downstreaam from Cecilville dump Comment
  HSC42887  Clinopodium douglasii K. T. Stillman 1976-8-15 402 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC500966  Clintonia uniflora Dorothy Parker 1950-6-25 462 Siskiyou Duck Lake Creek Salmon Mountain 1524 Comment
  RSA237927  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC44485  Collinsia greenei K. Irwin 1977-5-22 389 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  CHSC31204  Collinsia linearis M. S. Taylor 1980-7-8 3115 Siskiyou On ridge s of Castle Lake, above Hearts Lake. 2016 Comment
  HSC29393  Collinsia linearis Brad Klipfel 1969-7-11 978 Siskiyou Due W of NW end of Hancock Lake 1951 Comment
  UC722347  Collinsia linearis C. L. Hitchcock, J. S. Martin 1939-7-7 5232 Siskiyou road to Bolan Lake 6 mi from junction with Takilma-Happy Camp Road Bolan Lake 1767 Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  JEPS3897  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou e of Yreka; Shasta Valley Comment
  UC164129  Collomia grandiflora Geo. D. Butler 1910-5-19 1366 Siskiyou dry land near Yreka Comment
  UC455655  Collomia heterophylla I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  RSA409235  Collomia heterophylla L. C. Wheeler 1934-8-5 3046 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  RSA409239  Collomia heterophylla J. P. Smith 1973-5-5 6469 Siskiyou Along Cook and Green Pass road. Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  CAS-BOT-BC230675  Collomia tracyi L. B. Kildale 1930-6-1 9781 Siskiyou Black Bear trail to Sawyers Bar, Salmon RIver Comment
  SBBG25943  Convolvulus arvensis D. Myrick 1966-8-9 1540 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  NY643139  Convolvulus arvensis H. E. Brown 1897-6-11 409 Siskiyou North side Mt. Shasta 1524.0 Comment
  JEPS41828  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek 1158 Comment
  JEPS104436  Corallorhiza mertensiana Martin J. Lenz 2003-6-9 17 Siskiyou approx. 1.2 mi E of Deadhorse Summit, along logging road 60A 1378 Comment
  HSC58885  Cordylanthus pilosus subsp. pilosus Marvin Butler 1971-8-11 310 Siskiyou Near Younga Valley 1403 Comment
  CAS-BOT-BC26796  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  CHSC105580  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. Lat. and Long. indicated +/- 46 feet. 1344 Comment
  CHSC105591  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Label says +/- 33 feet of Lat. and Long. shown. 995 Comment
  UCD123172  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 Siskiyou Stewart Springs Road 1.5 miles from the Gazelle Road. Comment
  RSA523399  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  SEINET8083541  Cornus glabrata G. D. Butler 1910-5-22 1385 Siskiyou Yreka creek Comment
  CAS-BOT-BC376183  Cornus nuttallii Andrew Townesmith; Karen M. Meyer 2007-8-3 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  CDA9701  Cornus nuttallii D. G. Kelch 2007-7-25 7 .501 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC33970  Cornus nuttallii J. P. Smith 1974-5-25 7434 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA397467  Cornus nuttallii B. C. Templeton 1957-6-22 7747 Siskiyou Near the summit of Scott Mt. Comment
  UC705589  Cornus nuttallii Marion Ownbey and D. H. Brown 1941-6-22 2426 Siskiyou n.w. Yreka (on rd. between Craggy Mt. and Deadwood Lookout) Comment
  CAS-BOT-BC210388  Cornus sericea H. A. Thomas; J. H. Thomas 1954-7-26 4545 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville 914 Comment
  JEPS80510  Cornus sericea subsp. sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC290478  Crepis acuminata Geo. D. Butler 1910-7-4 1639 Siskiyou Goosenest foothills 1219 Comment
  UC1408881  Crepis acuminata F. W. Oettinger 1969-8-6 1263 b Siskiyou nne Toms Lake (near gap between Toms and Hancock Lake basins, in English Peak area); Salmon Mountains 2164 Comment
  HSC2329  Crepis intermedia Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1372 Comment
  UC91846  Crepis modocensis subsp. modocensis T. S. Brandegee July, 1887 Siskiyou Ager Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  CAS-BOT-BC376498  Crepis occidentalis subsp. conjuncta K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC376558  Crepis occidentalis subsp. conjuncta Doris K. Kildale 1928-7-2 5374 Siskiyou Salmon Summit via Horn Creek trail Comment
  UC313844  Crepis occidentalis subsp. occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  CAS-BOT-BC290835  Crepis occidentalis subsp. pumila Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  CAS-BOT-BC290840  Crepis occidentalis subsp. pumila L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC290870  Crepis pleurocarpa Doris K. Kildale 1929-8-24 8845 Siskiyou Preston Peak 2133 Comment
  HSC43862  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 372 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC58899  Crepis pleurocarpa Marvin Butler 1971-7-20 167 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1585 Comment
  UC581193  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2447 Siskiyou n-facing slope on ridge between Big Mill and Mule Creek (near road from Callahan to Carrville) 1120 Comment
  HSC103628  Crepis pleurocarpa Thomas W. Nelson, Jane Nelson 1985-6-19 7842 Siskiyou Along south side of State Route 3, 3.1 mi. N of Scott Mountain Summit. 1524 Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  UCD120091  Cryptantha sobolifera A. H. Murphy 1959-7-22 59 K Siskiyou Trinity-Siskiyou County, Shasta National Forest, summit between Bear Creek and Toad Lake. 2346 Comment
  UCD78206  Cryptantha torreyana R. E. Preston 2006-7-3 2360 a Siskiyou Ca. 3.8 mi ESE of Hornbrook, in field along Ager Rd, 1.6 mi SE of its jct with Hornbrook-Copco Rd. 704 Comment
  CAS-BOT-BC70478  Cryptogramma acrostichoides Doris K. Kildale 1929-7-20 8666 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC92769  Cryptogramma acrostichoides Jennifer Whipple 1976-7-23 1520 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  CAS-BOT-BC383126  Cryptogramma cascadensis Andrew Townesmith; Karen M. Meyer 2007-7-30 874 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 2399 Comment
  UC618844  Cryptogramma cascadensis W. Bridge Cooke 1938-8-18 11502 Siskiyou above Horse Camp (Lower Horse Camp Slopes); Mt Shasta 2514 Comment
  UC922418  Cryptogramma cascadensis Annie M. Alexander and Louise Kellogg 1949-7-22 5835 Siskiyou trail to Kings Castle Paradise Lake; Marble Mts 1920 Comment
  CAS-BOT-BC80554  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove, Cook and Green Region 1219 Comment
  CAS-BOT-BC80557  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou unspecified 1085 Comment
  UC1321450  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou n section line crossing of Sec. 13 (on w side of jeep road, NE 1/4, NE 1/ 4, NE 1/ 4); Fall River Mills. Quad. 1085 Comment
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  RSA0008966  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6169 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
  JEPS47092  Cuscuta cephalanthi George B. Grant 1902-9-4 5217 Siskiyou Sisson 914 Comment
  JEPS39348  Cynoglossum occidentale W. L. Jepson 1894-7 21075 Siskiyou Sisson Comment
  CDA5635  Cynoglossum officinale Wm. Nichols 1959-5-1 2310 Siskiyou McCloud. 0 Comment
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC183884  Cyperus erythrorhizos Geo. D. Butler 1909-9-5 868 Siskiyou along creek near Yreka Comment
  CHSC2338  Cypripedium fasciculatum M. Yoder 1932-6-20 Siskiyou Castle Lake. ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  CAS-BOT-BC70713  Cystopteris fragilis Ira L. Wiggins 1955-7-26 13514 Siskiyou banks of So. Fork fo Salmon R just above mouth of Blind Horse Creek 886 Comment
  RSA184775  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  HSC30644  Danthonia californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1153 Siskiyou Marble Mtn. Wilderness Area, English Peak, English Lake Basin, Sundew Bog. 1829 Comment
  CAS-BOT-BC192263  Danthonia californica Doris K. Kildale 1928-8-19 6506 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  SJSU11324  Danthonia unispicata S. H. Casey 1981-7-4 1216 Siskiyou Seiad Creek Road near Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley 1511 Comment
  JEPS19772  Darlingtonia californica Rimo Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou springy bog at w end Gumboot Lake (head of South Fork of Sacramento River, close to Trinity County line) 1859 Comment
  JEPS87927  Darlingtonia californica Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9364 Siskiyou ca 1 mi e Toad Lake (at head of Middle Fk Sacramento River, ca 8 airmi w of Mt. Shasta City); head of Middle Fk Sacramento River, e of Toad Lake 1981 Comment
  POM142718  Darlingtonia californica E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1220 Comment
  UC1475697  Darlingtonia californica Clifton and Ground 1978-7-2 1856 Siskiyou near Big Carmen Lake (close to town of Callahan); China Mt. Quadrangle 1704 Comment
  UC70416  Darlingtonia californica Milo S. Baker 1888-1 Siskiyou Castle Lake Comment
  SEINET12007447  Darlingtonia californica H. M. Hall, Babcock, E. B. 4042 Siskiyou Sierra Nevada Mountains, 18th crossing Sacramento River, near Sisson, Transition Zone, Mt. Shasta Comment
  HSC43033  Daucus carota J. O. Sawyer, K. T. Stillman 1976-7-2 2806 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  JEPS43421  Delphinium andersonii Geo. D. Butler 1909-4-14 642 Siskiyou near Yreka Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  CAS-BOT-BC8753  Delphinium glaucum Annie M. Alexander; Louise Kellogg 1949-7-23 5851 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC34212  Delphinium glaucum J. P. Smith, J. O. Sawyer 1973-8-14 7315 Siskiyou Around Cliff Lake 1860 Comment
  CAS-BOT-BC8900  Delphinium glaucum Gilbert J. Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  UCD95719  Delphinium glaucum Dorothy Parker 1958-8-12 707 Siskiyou South Fork of Scott River. Along a small stream, tributary of Scott River. 1524 Comment
  HSC27303  Delphinium nuttallianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5695 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC34156  Delphinium nuttallianum J. O. Sawyer 1969-7-9 1223 Siskiyou Along trail to Sugar Lake. 1768 Comment
  CAS-BOT-BC116159  Delphinium nuttallianum L. E. Smith 1913-4-23 S. N. Siskiyou Hornbrook Comment
  HSC34137  Delphinium nuttallianum J. O. Sawyer 1969-7-1 963 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  RSA78823  Delphinium nuttallianum P. A. Munz 1952-7-2 17902 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  UC203920  Deschampsia danthonioides Geo. D. Butler 1910-4-22 1218 Siskiyou Oro Fino Comment
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 Comment
  UCD62397  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3434 Siskiyou 4 miles W of Hamburg. Comment
  POM365037  Deschampsia danthonioides P. B. Kennedy 1929-4-18 s.n. Siskiyou Highway between Woodlake and Dinuba, 10 miles from Dinuba. Comment
  HSC69208  Deschampsia elongata Maralyn A. Renner 1980-7-24 2067 Siskiyou Lily Pad Lake 1768 Comment
  HSC92279  Deschampsia elongata Jennifer Whipple 1978-10-6 2409 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  HSC77112  Descurainia incisa subsp. incisa K. T. Stillman 1976-7-30 341 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC90911  Descurainia incisa subsp. incisa Jennifer Whipple 1976-7-9 1381 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UC165737  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-6-12 895 Siskiyou McAdams Creek Comment
  UC855986  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC8349  Dicentra formosa William J. Ferlatte 1967-6-5 497 Siskiyou Big Flat, near public camp 1524 Comment
  HSC91286  Dicentra pauciflora Jennifer Whipple 1976-6-12 987 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC500904  Dichelostemma capitatum Mrs. H. C. Cantelow 1936-5-21 1329 Siskiyou North slope Scott Mountain above Callahan 1127 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
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  HSC5958  Dieteria canescens var. canescens R. C. Wunner 1965-8-21 452 Siskiyou California Lava Beds National Monument; on main road at Crescent Butte 1463 Comment
  CHSC99210  Dieteria canescens var. shastensis L. P. Janeway; B. Castro 2007-7-28 9126 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  JEPS24630  Dieteria canescens var. shastensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6786 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everett Memorial Highway, at sw base of mt.); Mt. Shasta 1219 Comment
  CAS-BOT-BC153448  Diplacus layneae L. E. Smith 1913-7-4 s.n. Siskiyou Castle Crags Comment
  SEINET185054 Image available Diplacus nanus C. L. Hitchcock, J. S. Martin 1939-1 5318 Siskiyou Between King's Castle and Black Mountain, west side of ridge. 1829 Comment
  CAS-BOT-BC153732  Diplacus nanus Gilbert J. Muth 1969-8-6 1208 Siskiyou Boulder Peak Comment
  UC1222250  Disporum hookeri Joseph P. Tracy 1951-6-16 19493 Siskiyou summit of The Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line Takilma-Happy Camp Road; The Siskiyous, Takilma-Happy Camp Road Comment
  HSC92948  Dodecatheon alpinum Jennifer Whipple 1977-7-20 1985 Siskiyou N slopes of Mount Eddy 2500 Comment
  RSA238734  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou On wet, cold, meadow at 'Bear Meadow' spring in saturated humus-located mid-way as the crow flies between Tom Taylor cabin and English Peak summit., The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA755664  Dodecatheon alpinum Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  HSC43385  Dodecatheon conjugens Maralyn O'Meara 1974-5-26 461 Siskiyou Along USFS Rd. 47N03 1524 Comment
  CAS-BOT-BC41761  Draba howellii Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Mountains. Comment
  CAS-BOT-BC41315  Draba pterosperma D. M. Traugh 1933-8-6 9 Siskiyou Klamath Forest. Marble Valley. 1981 Comment
  JEPS53502  Draba pterosperma Harley P. Chandler June, 1901 1654 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC41411  Draba verna L. E. Smith 1915-3-15 s.n. Siskiyou Yreka. Comment
  HSC29648  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-22 598 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Diamond Lake 2165 Comment
  UC1190237  Drymocallis lactea var. austiniae Ira L. Wiggins 1955-7-27 13525 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC18925  Drymocallis lactea var. lactea J. O. Sawyer 1969-8-2 1708 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC536650  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-8 13829 Siskiyou Mount Shasta Comment
  CAS-BOT-BC158420  Drymocallis rhomboidea Doris K. Kildale 1928-7-4 5487 Siskiyou Summit of divide between Salmon River & Scott Valley Comment
  HSC46070  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UC637037  Echinochloa crus-galli Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse Creeks; Klamath River, South bank 609 Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  HSC30715  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Marble Mtn. Wilderness Area, vernal pool at Upper English Lake 1768 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  CAS-BOT-BC213784  Elymus X hansenii Doris K. Kildale 1928-8-20 6594 Siskiyou Lily Pad Lake on trail to Marble Mt. near Hancock Lookout 1981 Comment
  POM359908  Elymus X hansenii M. B. Dunkle 1945-7-24 9267 Siskiyou Klamath National Forest, Marble Mts. Comment
  UC1037162  Elymus X hansenii Leo Whitney 1935-7-15 3472 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  CAS-BOT-BC227920  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11366 Siskiyou Mount Shasta. North Ridges Comment
  JEPS107369  Elymus elymoides subsp. californicus Lowell Ahart, John Dittes 2005-6-9 12019 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA715960  Elymus elymoides subsp. californicus L. Ahart, John Dittes 2005-6-9 12019 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  SD104847  Elymus elymoides var. brevifolius Darley Howe 1979-6-26 Siskiyou Military Pass Road, 3 miles Southeast of California Highway 97 Comment
  HSC19240  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1553 Siskiyou S of High Lake 2210 Comment
  JEPS73753  Elymus glaucus subsp. glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Comment
  RSA603760  Elymus lanceolatus L. C. Wheeler 1935-6-30 3627 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  POM112863  Elymus multisetus Geo D. Butler 1909-6-4 812 Siskiyou Dry land near Yreka Comment
  UC196945  Elymus multisetus Geo. D. Butler 1910-5-26 1424 Siskiyou Yreka Comment
  CAS-BOT-BC213811  Elymus repens Peter H. Raven 1956-9-5 10446 Siskiyou North Fork of Sacramento River 2194 Comment
  HSC64828  Elymus spicatus J. P. Smith, Steve Selva 1970-6-16 3970 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC1666801  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  HSC18099  Enemion stipitatum D. H. Norris 1969-3-2 2273 Siskiyou 2 mi. E of Seiad Valley Comment
  CAS-BOT-BC165905  Epilobium Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo Summit, Trinity Mts. 1889 Comment
  RSA15795  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1034 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC49650  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-15 4341 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA237578  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-8-22 1493 Siskiyou North side of Horse s Hole near Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC61667  Epilobium densiflorum Geo. B. Grant Sept. 1902 5078 Siskiyou Sisson Mt. Shasta 914 Comment
  UCD106287  Epilobium densiflorum Alice Eastwood 1912-7-17 1154 Siskiyou Sisson. Comment
  UC422949  Epilobium glaberrimum subsp. glaberrimum Milo S. Baker 1899-7-31 Siskiyou e slope of mt Mt. Shasta (and Ash Creek) 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
  HSC81511  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6202 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS109653  Epilobium hallianum Dean W. Taylor 2002-6-29 18202 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  UCD80893  Epilobium hallianum Robert E. Preston 2001-7-21 1721 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mtn. 2066 Comment
  HSC49639  Epilobium hornemannii subsp. hornemannii J. P. Smith, Steve Selva 1970-6-16 4068 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC76708  Epilobium minutum K. T. Stillman 1976-7-14 227 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  UCD106507  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar, along the Scott River. Comment
  RSA237393  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Near Tobacco Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1890 Comment
  POM46474  Epilobium siskiyouense Geo. D. Butler 1910-7-9 s.n. Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC57235  Equisetum laevigatum Alice Eastwood 1923-5-22 11885 Siskiyou Sisson Comment
  HSC46758  Equisetum laevigatum William J. Ferlatte 1969-6-25 1179 Siskiyou Big Flat, near campground 1524 Comment
  UC197186  Eragrostis hypnoides Geo. D. Butler 1910-8-13 1836 Siskiyou Oro Fino Comment
  CAS-BOT-BC204625  Eragrostis mexicana subsp. virescens R. E. Frenkel 1964-10-2 883 Siskiyou On Everitt Memorial Hwy., 1.0 mile north of McCloud River RR crossing, near Mount Shasta 1219 Comment
  UCD63886  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts. Oak Knoll Ranger Station, Klamath River. 670 Comment
  CDA31774  Eragrostis mexicana subsp. virescens D. H. Shaw 1973-8-23 Siskiyou Cherry Farms, Macdoel 0 Comment
  RSA105403  Eremocarpus setiger G. D. Barbe 1955-7-1 068 Siskiyou 0.5 miles east of Etna near b urned lumber mill. 854 Comment
  UC1034593  Eremocarpus setiger Douglas Barbe 1955-7-1 68 Siskiyou 0.5 mi e Etna (near burned lumber mill, along edge of road) 853 Comment
  CAS-BOT-BC168335  Eremogone congesta var. congesta John Thomas Howell 1937-7-24 13426 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC286708  Ericameria bloomeri L. R. Abrams 1922-8-7 9915 Siskiyou One mile south of Weed Comment
  UC86503  Ericameria bloomeri J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  UCD131319  Ericameria bloomeri Joseph M. DiTomaso 1976-9-7 686 Siskiyou Big Flat. Trinity Alps. 1524 Comment
  CAS-BOT-BC287500  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt Eddy 1889 Comment
  HSC36474  Ericameria greenei J. O. Sawyer 1969-7-2 1026 Siskiyou SW-facing upper slope above Music Creek 2378 Comment
  RSA178673  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  OBI55457  Ericameria greenei David J. Keil, Kathleen Keil 1992-7-21 23547 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 3.6 mi W of Scott Mountain rd (Hwy 3). Comment
  SEINET8079148 Image available Ericameria nauseosa var. oreophila G. D. Butler 1910-8-15 1739 Siskiyou Shasta Valley Comment
  HSC34657  Ericameria nauseosa var. speciosa Thomas W. Nelson, J. O. Sawyer 1974-10-29 1741 Siskiyou Hwy. 3, just S of Calaghan Comment
  JEPS80484  Ericameria nauseosa var. speciosa W. B. and V. G. Cooke 1976-10-24 54051 Siskiyou along Bolam Road Mt. Shasta 1524 Comment
  UC111299  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 Siskiyou n end of Shasta Valley (Ager) Comment
  CAS-BOT-BC293377  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  CAS-BOT-BC293500  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC69028  Erigeron aliceae Maralyn A. Renner 1980-7-28 2185 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  RSA50187  Erigeron bloomeri E. K. Balls 1949-7-8 13917 Siskiyou Trail from Scott Mt. Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC297105  Erigeron compositus Wm. Bridge Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou West side of Mud Creek Canyon, Mount Shasta 3048 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  CAS-BOT-BC296802  Erigeron divergens A. A. Heller 1938-7-12 15261 a Siskiyou Near the eastern base of Deer Mountain on U.S. Highway #97 Comment
  JEPS22364  Erigeron filifolius W. L. Jepson 1940-6-23 19993 Siskiyou e of Mayten (on e side of valley); Little Shasta Valley 883 Comment
  SD88299  Erigeron filifolius Darley F. Howe 1972-7-8 4879 Siskiyou 9.5 miles north of Weed on Highway 97. 1160 Comment
  CAS-BOT-BC296128  Erigeron foliosus var. confinis Doris K. Kildale 1929-8-24 9029 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 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
  HSC19466  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-18 1372 Siskiyou E of Waterdog Lake 2012 Comment
  UC1619969  Erigeron inornatus Barbara Ertter 1990-7-14 9328 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, ridge s. and above creek); Mt. Eddy, Wagon Creek 1950 Comment
  CDA4952  Erigeron inornatus T. C. Fuller 1967-8-14 16258 Siskiyou Road to McCloud Reservoir, 2 miles south of McCloud. 0 Comment
  OBI55539  Erigeron inornatus var. inornatus David J. Keil, Kathleen Keil 1992-7-24 23565 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UC163916  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug <?> Mountain 1066 Comment
  OBI55433  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 100 Comment
  UC933419  Erigeron klamathensis Annie M. Alexander and Louise Kellogg 1948-9-8 5602 Siskiyou top of grade between Sawyers Bar Etna; Trinity Mountains 1737 Comment
  RSA238720  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou N of Tobacco Lake 1890 Comment
  CAS-BOT-BC295366  Erigeron petrophilus R. C. Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta 2029 Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  HSC34354  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  JEPS105684  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges; Siskiyou Mountains betweeen Cook and Green Pass and Red Butte; slope overlooking uppermost fork of Seiad Creek; along 4-wheel-drive road 1698 Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  UC468829  Erigeron philadelphicus var. philadelphicus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  CAS-BOT-BC224138  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  UC101836  Eriogonum alpinum Dr. E. B. Copeland 1903-8-18 3813 Siskiyou Mt. Eddy 2651 Comment
  POM267114A  Eriogonum baileyi var. baileyi L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  HSC44726  Eriogonum compositum J. O. Sawyer, E. Cope 1977-6-18 2903 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC67049  Eriogonum compositum J. P. Smith 1976-5-22 8779 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC250066  Eriogonum compositum var. compositum John Thomas Howell 1939-8-2 14869 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC35112  Eriogonum compositum var. compositum J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC43399  Eriogonum compositum var. compositum K. T. Stillman 1976-8-7 201 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS82707  Eriogonum compositum var. compositum Wayne Roderick 1984-6-6 Siskiyou 1 mi n on Highway 3 Callahan Comment
  HSC42984  Eriogonum compositum var. compositum J. P. Smith 1976-5-4 8667 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  RSA237770  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Diamond Lake spillway on way to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA237985  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Little Medicine Mountain, north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  UC1505832  Eriogonum marifolium Robert T. Clausen and Harold Trapido 1940-7-27 4975 Siskiyou 5 mi ne, on w side of Mountainhouse Creek summit of Mt. Shasta; So. Cascade Mts., Mountainhouse Creek 1981 Comment
  UC61674  Eriogonum marifolium Geo. B. Grant 1902-10-1 5091 Siskiyou Horse Camp Mt. Shasta, Horse Camp 2438 Comment
  RSA17737  Eriogonum microtheca var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  HSC19506  Eriogonum nudum var. nudum J. O. Sawyer 1969-9-12 2005 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC19517  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-16 1133 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  CAS-BOT-BC272469  Eriogonum nudum var. pubiflorum A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  HSC43015  Eriogonum nudum var. pubiflorum J. P. Smith 1973-5-5 6440 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 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
  UC519883  Eriogonum pyrolifolium L. Ellison 1928-9-11 Siskiyou Mt. Shasta 2743 Comment
  UC572791  Eriogonum pyrolifolium W. Bridge Cooke 1937-7-28 9159 Siskiyou Mt. Shasta 2590 Comment
  CHSC71594  Eriogonum siskiyouense Vernon H. Oswald; Lowell Ahart 1998-8-3 9406 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside opening. 1524 Comment
  JEPS109649  Eriogonum siskiyouense Dean W. Taylor 2002-6-29 18205 Siskiyou Forest Road 40N08 (road to Big Carmen Lake) ca. 1 mile NE of Scott Mountain Summit 1676 Comment
  CAS-BOT-BC262726  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1915-7-1 s.n. Siskiyou Yreka 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
  HSC61211  Eriogonum ternatum Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  JEPS84304  Eriogonum ternatum L. R. Heckard with J. Hickman et al. 1986-7-17 6476 Siskiyou s Lily Pad Lake (trail up Kangaroo Peak; ca. 5 mi n of the town of Seiad Valley); Kangaroo Peak 1800 Comment
  CAS-BOT-BC267928  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Creek 914 Comment
  CAS-BOT-BC267946  Eriogonum umbellatum L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08 1645 Comment
  HSC69393  Eriogonum umbellatum Maralyn A. Renner 1980-9-9 2761 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS102933  Eriogonum umbellatum Thomas W. Nelson and Jane P. Nelson 1980-7-20 6154 Siskiyou Along FS road 40N08, Carmen Lake Rd, 6 mi from junction with State Route 3; China Mountain 1645 Comment
  CAS-BOT-BC267976  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 490 Siskiyou Salmon Mountain 1798 Comment
  CAS-BOT-BC267986  Eriogonum umbellatum var. argus L. E. Smith 1913-8-1 544 Siskiyou Mt. Eddy Comment
  RSA181627  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 460 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  UC922357  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1949-7-29 5900 Siskiyou above Sky High L. (trail to Hidden L.); Marble Mountains, Sky High Valley 1767 Comment
  HSC162  Eriogonum umbellatum var. dumosum William J. Ferlatte 1966-8-2 240 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  UC727195  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy 2682 Comment
  JEPS94877  Eriogonum umbellatum var. modocense Vernon H. Oswald and Lowell Ahart 1998-7-21 9320 Siskiyou ne of Weed (Highway 97 at the 11.0 Mile Marker, 1.2 mi w of A12); Highway 97 at the 11.0 Mile Marker 1188 Comment
  RSA420695  Eriogonum umbellatum var. modocense M. B. Dunkle 1945-08 9276 Siskiyou Paradise Lake, rocky ledge. Comment
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Jul 11 2010
  CAS-BOT-BC265199  Eriogonum umbellatum var. nevadense A. A. Heller 1922-7-14 13684 Siskiyou Near Pumice Stone Mountain Comment
  SEINET3160102  Eriogonum umbellatum var. polyanthum G. D. Butler 1910-6-19 1580 Siskiyou Goosenest foothills 1524 Comment
  CDA14218  Eriogonum vimineum G. F. Hrusa 1997-9-18 14105 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  UC454344  Eriogonum vimineum I. J. Condit 1911-7-13 Siskiyou bank of Sacramento River, Dunsmuir Sacramento River, Dunsmuir Comment
  CAS-BOT-BC262382  Eriogonum vimineum L. R. Abrams 1927-9-11 12143 Siskiyou Fork of Shasta and Klamath Rivers Comment
  UC1265448  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou near Diamond Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UCD132177  Eriophyllum lanatum Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  HSC19555  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-8-1 1634 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76891  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-7-7 157 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  POM133498  Eryngium articulatum E. B. Copeland 1903-8-13 3819 Siskiyou Sisson. 1067 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  HSC97704  Erysimum capitatum var. capitatum Thomas W. Nelson, Jane Nelson 2006-7-1 9451 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  LA204335  Erysimum capitatum var. capitatum Ruth P. Rossbach; 1938-6-24 11073 Siskiyou Mount Shasta, vicinity of MacBride Springs 1523 Comment
  RSA50152  Erysimum capitatum var. capitatum E. K. Balls 1949-7-10 13958 Siskiyou 8 miles from Sawyer s Bar on road to Cecilville. 793 Comment
  CAS-BOT-BC55116  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34269 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 1828 Comment
  HSC77034  Erysimum perenne K. T. Stillman 1976-6-17 14 Siskiyou Marble Mtn. Wilderness Area, upper end of Elk Valley 1768 Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) Comment
  SBBG25925  Erythranthe linearifolia D. Myrick 1966-8-12 1548 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1615 Comment
  POM109650  Erythronium californicum Geo D. Butler 1909-4-24 661 Siskiyou Quartz Valley. Comment
  POM109651  Erythronium citrinum var. citrinum Geo D. Butler 1910-4-24 1239 Siskiyou Quartz Valley Comment
  HSC77079  Erythronium grandiflorum subsp. grandiflorum K. T. Stillman 1976-6-16 4 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC133300  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  CDA39343  Erythronium oregonum subsp. leucandrum D. Osterhandt & D. H. Shaw 1979-5-3 s.n. Siskiyou Near Sawyers Bar 0 Comment
  CAS-BOT-BC403675  Eschscholzia californica Doris K. Kildale 1929-5-26 9197 Siskiyou Salmon River at Hawkins Bar 609 Comment
  NY1085467  Eschscholzia confinis C. F. Baker 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-BC310456  Eucephalus ledophyllus var. covillei W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  HSC62619  Eucephalus ledophyllus var. ledophyllus Ruby Van Deventer 1962-8-15 Siskiyou Youngs Valley Comment
  HSC44602  Euonymus occidentalis Laura Witherspoon 1977-7-12 Siskiyou On the periphery of Flint Valley 1341 Comment
  RSA126073  Euonymus occidentalis I. L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 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
  UC375458  Euphorbia crenulata Geo. D. Butler 1908-7-4 67 Siskiyou near mouth of Shasta River Comment
  CAS-BOT-BC310629  Eurybia radulina L. E. Smith 1913-7-24 486 Siskiyou McCloud Comment
  CAS-BOT-BC310638  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC418829  Fallopia japonica var. japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir Comment
  HSC71192  Festuca californica M. A. Baker 1980-6-20 2225 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC283182  Festuca californica subsp. californica J. H. Thomas 1954-5-13 4161 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC278735  Festuca idahoensis Elmer I. Applegate 1935-6-10 9463 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC278740  Festuca idahoensis Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  RSA715931  Festuca idahoensis L. Ahart, John Dittes 2005-6-10 12100 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  UCD65971  Festuca idahoensis A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3383 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  HSC73227  Festuca occidentalis Gail Newton 1980-6-20 537 Siskiyou Near Bald Mtn. 1326 Comment
  UCD66263  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  CAS-BOT-BC59983  Frangula purshiana G. B. Grant 2000-1-1 s.n. Siskiyou unspecified. Comment
  CAS-BOT-BC60014  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  CAS-BOT-BC60017  Frangula purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N. Fork Salmon River at Finley Camp. Comment
  HSC100303  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13272 Siskiyou Along Sugar Creek Rd., 1.8 mi. E of Hwy. 3. 968 Comment
  HSC101714  Frangula rubra subsp. yosemitana J. P. Smith, J. O. Sawyer 2011-6-25 13263 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 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
  RSA134341  Fraxinus latifolia Percy C. Everett, E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi NW from Forks along Salmon River, Sawyers Bar to Somesbar. 366 Comment
  CAS-BOT-BC130175  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  HSC36928  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC91455  Fritillaria atropurpurea Jennifer Whipple 1976-6-17 1018 Siskiyou N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  CAS-BOT-BC502847  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta below Wagon Camp 1706 Comment
  RSA237919  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 582 Siskiyou North end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  UC164089  Galium aparine Geo. D. Butler 1908-7-19 1000 Siskiyou Humbug Creek Comment
  HSC76632  Galium bifolium K. T. Stillman 1976-6-25 29 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  SEINET10500692  Galium bifolium Mary Susan Taylor 1980-7-8 Taylor 3107 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  UC888781  Galium bolanderi John Thomas Howell 1937-7-26 13553 Siskiyou Caribou Gulch Comment
  RSA67150  Galium bolanderi Louis C. Wheeler 1934-8-30 3228 Siskiyou Trapper Creek. Siskiyou Mts. 1585 Comment
  UCSB7781  Galium bolanderi Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Marble Mountains 1219 Comment
  HSC25488  Galium glabrescens subsp. glabrescens J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5716 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA165560  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-6-30 1820 Siskiyou Near White Mt. Comment
  RSA184794  Galium grayanum var. grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  HSC23615  Galium triflorum J. O. Sawyer 1970-7-4 2321 Siskiyou At Cedar Flat Cabin 1402 Comment
  CAS-BOT-BC182249  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou South slope, in Plowman's Valley 1219 Comment
  CAS-BOT-BC182279  Garrya fremontii Doris K. Kildale 1928-7-4 5520 Siskiyou Summit of divide between Salmon River & Scott Valley on Sawyers Bar - Etna Mills road Comment
  UC166164  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  UCR37543  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower protion of meadow. 1524 Comment
  HSC29481  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  POM355342  Gayophytum eriospermum M. B. Dunkle 1944-8-25 9177 Siskiyou Siskiyou National Forest 1829 Comment
  HSC68980  Gayophytum heterozygum Maralyn A. Renner 1980-7-24 2062 Siskiyou Lily Pad Lake 1768 Comment
  UC618776  Gayophytum heterozygum W. Bridge Cooke 1938-7-29 11385 Siskiyou Howard Mount Shasta (along roadside) Comment
  HSC78328  Gayophytum humile L. P. Janeway 1983-7-31 477 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  HSC76683  Gayophytum racemosum K. T. Stillman 1976-7-30 324 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  JEPS80608  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou trail behind Black Mountain; Marble Mt. Wilderness Area 1975 Comment
  SEINET3150777  Gentiana calycosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  RSA22179  Gentiana calycosa J. T. Howell 1939-8-8 15145 Siskiyou Marble Mountains: Black Mountain. Comment
  SEINET8586245  Gentiana calycosa W. Roderick 1967-9-2 s.n. Siskiyou Mount Eddy, above Dead Fall Lakes. 2591 Comment
  CAS-BOT-BC123771  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  HSC66248  Gentiana newberryi Maralyn A. Renner 1980-8-19 2483 Siskiyou S side of Caribou Lake 2104 Comment
  UC1608325  Gentiana newberryi var. newberryi J. Kierstead 1990-8-9 90 130 A Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyone end of Forest Service rd 40N42); Shasta-Trinity National Forests, Shasta Ranger Dist. 1828 Comment
  CAS-BOT-BC217413  Gentiana plurisetosa Doris K. Kildale 1928-8-19 6508 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  POM254105  Gentiana plurisetosa Harris 1939-8-29 s.n. Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  CAS-BOT-BC217422  Gentiana setigera Wayne Roderick 1967-9-1 s.n. Siskiyou Growing around edges of Cedar Lake, w. of Mt. Shasta 1828 Comment
  UC1024068  Gentianopsis simplex Dorothy Parker 1953-9-18 609 Siskiyou meadow above Cabin Meadow Creek near Cory Peak; Siskiyou Mts. 1920 Comment
  UCSB63784  Glyceria borealis Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou NE of Weed and S of Macdoel, along Old State Highway on the W side of Bray 1417 Comment
  HSC69396  Glyceria elata Maralyn A. Renner 1980-8-8 2452 Siskiyou Rattlesnake Meadow 1646 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC282841  Glyceria striata C. F. Baker 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  RSA238996  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1234 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1265400  Glyceria striata F. W. Oettinger 1969-9-4 1651 Siskiyou Tobacco Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  UC1265401  Glyceria striata F. W. Oettinger 1969-9-4 1403 Siskiyou English Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  UCD85213  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  CAS-BOT-BC302678  Gnaphalium palustre Louis C. Wheeler 1934-6-10 2676 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  JEPS34050  Gnaphalium palustre Geo. D. Butler 1908-7-7 315 Siskiyou along creek at Butler's Ranch near Yreka Comment
  UC61683  Gnaphalium palustre Geo. B. Grant 1902-9-1 5088 Siskiyou Sisson Northern California, Mount Shasta 1066 Comment
  UC13544  Goodyera oblongifolia W. C. Blasdale 1894-8-8 Siskiyou Shasta Springs Comment
  RSA69946  Grayia spinosa F. W. Peirson 1923-7-19 3716 Siskiyou About 2 miles S of Oregon line, Lowest Klamath Lake. Comment
  CAS-BOT-BC314629  Grindelia hirsutula L. E. Smith 1913-8-13 514 Siskiyou Montague Comment
  SJSU11499  Hackelia californica M. D. Fleschner 1965-7-13 Siskiyou W of Deadhorse Summit of State Rte 89 c. 6 mi SW of Bartle Comment
  UC1222251  Hackelia micrantha Joseph P. Tracy 1951-6-16 19495 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of the Siskiyous) Comment
  RSA184764  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  UC142688  Hastingsia alba Dr. E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2438 Comment
  CAS-BOT-BC504621  Hastingsia alba L. E. Smith 1913-7-12 482 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC508653  Hastingsia alba Elizabeth McClintock; Wayne Roderick 1967-7-27 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  CAS-BOT-BC508657  Hastingsia alba Palmer no date on the lable s.n. Siskiyou Sisson Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CHSC110531  Hazardia whitneyi var. discoidea Julie Kierstead Nelson 2011-8-23 2011 -46 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake. Comment
  CDA6451  Helenium autumnale T. C. Fuller 1958-8-13 1234 -58 Siskiyou 10 miles south of Fort Jones, Scott Valley. 0 Comment
  CAS-BOT-BC306747  Helenium bigelovii John Thomas Howell 1937-7-23 13344 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC306750  Helenium bigelovii David D. Keck 1938-8-8 4867 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  CHSC71564  Helenium bigelovii Vernon H. Oswald; Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  UC1483519  Helenium bigelovii John Palmer 1980-8-13 790 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UCD132697  Helenium bigelovii J. M. Tucker 1974-7-28 4306 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC306743  Helenium bigelovii D. M. Traugh 1933-8-4 2 Siskiyou Shackelford [Shackleford] Creek near Dry Lake Comment
  HSC67878  Helenium bigelovii J. P. Smith, J. O. Sawyer 1973-8-14 7297 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA211511  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  SEINET11196740 Image available Helenium bigelovii G. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  UC1282023  Helenium bigelovii Louise Kellogg 1953-8-8 112 Siskiyou on road between Callahan and Trinity Center (nw slope of Scott Mountain); Klamath National Forest, Scott Mountain, Mule Creek 1402 Comment
  CAS-BOT-BC309575  Helenium puberulum Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  UCD132926  Helianthus Ben Beard 1978-1 HSP 09 A Siskiyou near Mt. Shasta. Comment
  CAS-BOT-BC305569  Helianthus bolanderi Louis C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  CAS-BOT-BC313461  Hemizonella minima Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  POM52735  Hemizonia fitchii Geo D. Butler 1910-7-31 1805 Siskiyou Near Yreka. Comment
  JEPS74414  Heterocodon rariflorum W. B. and V. G. Cooke 1974-8-21 49262 Siskiyou Howard; Mt. Shasta Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  SEINET515874  Heterotheca villosa Vernon H. Oswald 1998-9-8 9607 Siskiyou USFS 3 ca. 0.8 mi. W of Julia Glover Flat, ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  JEPS94836  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
  HSC103908  Heuchera merriamii Dana York, Richard Helliwell 2010-9-11 3011 Siskiyou Klamath National Forest. North slope of Broken Rib Mountain 1616 Comment
  JEPS49743  Heuchera merriamii Geo. D. Butler 1908-8-9 221 Siskiyou Marble Valley Camp 1676 Comment
  JEPS84335  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6408 Siskiyou 5 mi n Seiad Valley (head of Hell's Canyon); Hell's Canyon 1750 Comment
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Jul 30 2009
  JEPS84339  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6408 Siskiyou 5 mi n Seiad Valley (at head of Hell's Canyon); Hell's Canyon 1750 Comment
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Jul 30 2009
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  HSC64836  Heuchera micrantha J. P. Smith, Steve Selva 1970-6-14 3880 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC420938  Heuchera micrantha var. diversifolia D. E. Breedlove 1962-6-11 3348 Siskiyou On moist bank of Canyon Creek with Pinus ponderosa and Salix so., abour 20 miles west of Fort Jones; Marble Mountains 914 Comment
  UC455375  Heuchera micrantha var. erubescens I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  HSC20189  Heuchera rubescens W. Roderick, Dorothy Parker 1966-7-26 Siskiyou Edge of Kangaroo Lake, N side of Scott Mtns. 1845 Comment
  CAS-BOT-BC424373  Heuchera rubescens A. A. Heller 1914-8-28 s.n. Siskiyou Mt. Eddy 2346 Comment
  UC618643  Hieracium albiflorum unknown 1938-7-15 11169 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  HSC22155  Hieracium bolanderi J. O. Sawyer 1969-7-16 1132 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  UC1408810  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou English Peak; Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC318544  Hieracium greenei Geo. D. Butler 1980-7-20 328 Siskiyou Humbug Creek Comment
  UC572808  Hieracium horridum unknown 1937-8-17 9257 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC315998  Hieracium nudicaule Wm. Bridge Cooke 1938-7-29 11407 Siskiyou Below Wagon Camp, Mount Shasta 1676 Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC316020  Hieracium nudicaule John Thomas Howell 1934-7-4 12389 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC27920  Holodiscus discolor Carl W. Mize 1972-9-23 121 Siskiyou 610 Comment
  JEPS46111  Holodiscus discolor Duncan Dunning 1923-6-16 Siskiyou Happy Camp; northwestern Siskiyou County Comment
  RSA237610  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak. Salmon Mountains. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1409359  Holodiscus discolor Frederick W. Oettinger 1969-9-4 1667 Siskiyou s side of Tobacco Lake basin, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Tobacco Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  SDSU9087  Holodiscus microphyllus var. glabrescens D. F. Howe 1964-8-4 3933 Siskiyou Probably Modoc or Shasta National Forest., 9.0 miles from entrance to Lava Bed National Monument. 2042 Comment
  UCD98180  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment
  HSC81976  Hordeum brachyantherum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4863 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  JEPS73758  Hordeum brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  POM352444  Hordeum brachyantherum M. B. Dunkle 1945-7-24 9266 Siskiyou Klamath National Forest. Marble Mtns. Comment
  CHSC69099  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald; Lowell Ahart 1997-7-28 8787 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  JEPS107373  Hordeum jubatum Lowell Ahart, John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 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
  UCD85768  Hordeum jubatum R. Tofsrud 1947-6-25 40 Siskiyou Near Gazelle. Comment
  POM352503  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1934-6-22 2749 Siskiyou Cottonwood Creek; Siskiyou Mountains; Mt. Diablo Mer. 915 Comment
  CAS-BOT-BC143949  Horkelia daucifolia L. E. Smith 1914-5-14 700 Siskiyou Yreka Comment
  CDA25946  Horkelia daucifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Highway 99 and Greenhorn Road, south edge of Yreka. 0 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  UC164307  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  UC485548  Horkelia daucifolia F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UC585215  Horkelia daucifolia E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1942 Siskiyou ca 8 mi s Yreka 822 Comment
  CHSC99207  Horkelia fusca subsp. parviflora L. P. Janeway; B. Castro 2007-7-28 9127 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  JEPS82346  Horkelia fusca subsp. parviflora L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2302 Siskiyou .8 mi s Bray (junction of U. S. 97); Murphy Wells 1493 Comment
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  RSA3819  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  SEINET9161337  Horkelia fusca var. brownii L. Ahart, V. Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well, on FR 15, 0.2 mile S of Medicine Lake Road. 1905 Comment
  CAS-BOT-BC514282  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  RSA789907  Horkelia hendersonii James R. Shevock, Barbara Williams 1987-8-17 11803 Siskiyou Below Dry Lake Mtn Lookout site along forest road 40S01. 2012 Comment
  JEPS44556  Horkelia tridentata Willis L. Jepson Jul 24 1894-Aug 10 1894 120 p Siskiyou near Sisson; Region of the Upper Sacramento Comment
  SEINET7096761  Horkelia tridentata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  JEPS88752  Horkelia tridentata subsp. tridentata Dean W. Taylor 1993-5-26 13521 Siskiyou ca 400 m e Forest Road 40N04 and right-of-way PG&E natural gas pipeline (1 mi nw Timbered Crater, on border of narrow meadows along unnamed creek tributary to Abode Flat); Modoc Plateau, nw Timbered Crater 1120 Comment
  CAS-BOT-BC539436  Horkelia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1797 Siskiyou Weed Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  CAS-BOT-BC201136  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15090 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  HSC71098  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4504 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS34895  Hulsea nana Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  RSA715488  Hymenolobus procumbens L. Ahart, John Dittes 2005-6-9 12044 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC127576  Hymenoxys lemmonii H. T. Mooney 1902-6-1 Siskiyou Yreka Comment
  HSC22109  Hypericum anagalloides J. O. Sawyer 1969-7-18 1410 Siskiyou Head of S Russian Creek 1829 Comment
  RSA238856  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Mid-way between the English Lake main camp and Sundew Bog due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC71100  Hypericum scouleri Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4506 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC93009  Hypericum scouleri Jennifer Whipple 1977-8-6 2200 Siskiyou Dobkins Lake 2058 Comment
  HSC15969  Iliamna bakeri R. C. Wunner 1965-8-14 432 Siskiyou Lava Beds National Monument. At junction of Tichner Rd. and road to Hwy. 139 1311 Comment
  HSC30078  Ipomopsis aggregata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19534 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  UC133855  Ipomopsis aggregata E. B. Copeland 1903-4-15 3919 Siskiyou Mt. Shasta 2316 Comment
  CHSC4534  Ipomopsis arizonica J. E. Bowlin 1967-7-18 58 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 1981 Comment
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Jul 13 2018
  HSC76768  Ipomopsis congesta K. T. Stillman 1976-8-7 377 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC76943  Ipomopsis congesta K. T. Stillman 1976-8-9 219 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  CAS-BOT-BC133543  Iris hartwegii W. R. Dudley 1893-6-12 s.n. Siskiyou Wm. Creek Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  UC164475  Iris missouriensis Geo. D. Butler 1909-6-22 883 Siskiyou Goosenest foothills Comment
  SEINET3876298  Iris missouriensis George Neville Jones 1967-6-30 45138 Siskiyou Grass Lake northeast of Weed.; 0 1524 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
  SEINET3875938  Iris tenuissima Alv Dan Youngberg 1964-6-17 27 Siskiyou Humbolt Meridian.; 0 579 Comment
  CHSC33174  Isatis tinctoria R. E. Preston 1981-5-2 60 Siskiyou On roadside cuts, ca. 50 m n of Camp Creek, at Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  HSC68480  Isatis tinctoria Maralyn A. Renner 1980-6-8 816 Siskiyou Slopes N of Moffett Creek 945 Comment
  UCR101236  Isoetes occidentalis L. C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mtns., Dillon Creek, 3/4 mi. NE of Sawtooth Mtn. 1616 Comment
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Apr 19 2013
  RSA293203  Ivesia pickeringii Kevin Sawyer, John Sawyer, Jane Cole, J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Siskiyou-Trinity Co. line on State Route 3. 1524 Comment
  UC1265334  Juncus Frederick W. Oettinger and R. F. Thorne 1969-8-8 1299 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 Comment
  CAS-BOT-BC110024  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  UC75259  Juncus bufonius Copeland 1903-7-7 3555 Siskiyou Hornbrook Comment
  HSC77499  Juncus bufonius var. bufonius L. P. Janeway 1983-6-25 335 Siskiyou Dirt road 0.5 mi. N of W Branch USFS Station 671 Comment
  HSC19327  Juncus drummondii J. O. Sawyer 1969-8-4 1808 Siskiyou Above Sugar Lake 2134 Comment
  HSC76689  Juncus drummondii K. T. Stillman 1976-7-30 313 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  JEPS84032  Juncus drummondii L. R. Heckard with J. Hickman et al. 1986-7-17 6532 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  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
  RSA608368  Juncus ensifolius L. C. Wheeler 1934-6-26 2790 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  HSC85850  Juncus ensifolius L. P. Janeway 1983-8-26 613 Siskiyou Poker Flat, NW part of meadow near road 1524 Comment
  JEPS25661  Juncus ensifolius Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7304 Siskiyou 4 air mi nne Preston Peak (at Twin Valley, just e of Del Norte County line, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1219 Comment
  RSA22085  Juncus ensifolius J. T. Howell 1939-8-7 15129 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  UC1021826  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou ca 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing, e side Mount Shasta); Mount Shasta, Cold Creek Comment
  UC642582  Juncus howellii F. J. Hermann 1939-7-21 13711 Siskiyou Bear Springs Mount Shasta 1524 Comment
  HSC67451  Juncus mertensianus J. P. Smith, Steve Selva 1970-7-17 4458 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC70440  Juncus mertensianus Milo S. Baker 1899-8-1 Siskiyou e slope Mt. Shasta; Ash Creek 1828 Comment
  UCD21463  Juncus mertensianus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1203 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  CHSC70073  Juncus nevadensis Jennifer Whipple 1976-7-24 1537 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  CHSC70198  Juncus nevadensis Jennifer Whipple 1978-10-6 2431 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  RSA238907  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1241 Siskiyou NNW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC22106  Juncus orthophyllus J. O. Sawyer 1969-7-26 1577 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  HSC10  Juncus parryi William J. Ferlatte 1965-6-22 116 Siskiyou Josephine Lake Basin 1677 Comment
  UC648265  Juncus parryi John Thomas Howell 1939-8-3 15009 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCR37587  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou South side & above the South Fork of Indian Creek, NE of Preston Peak. 1463 Comment
  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
  HSC92548  Juniperus communis var. saxatilis Jennifer Whipple 1976-7-8 1354 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC30572  Kalmia polifolia Frederick W. Oettinger 1967-7-20 181 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, E bank of Diamond Lake 2073 Comment
  JEPS10865  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek 1219 Comment
  JEPS82322  Kelloggia galioides Roger Raiche 1982-7-8 20589 A Siskiyou above Lily Pad Lake; Cook and Green Pass 1828 Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC1177930  Kelloggia galioides Francia Chisaki and Gene B. Newcomb 1958-6-22 1153 Siskiyou base of Black Butte (Highway 99, e of the road) Comment
  UC28415  Kelloggia galioides C. B. Bradley 1879-1 Siskiyou Comment
  UC197483  Koeleria macrantha Geo. D. Butler 1910-7-3 1625 Siskiyou Goosenest Mountain 1219 Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  CAS-BOT-BC273776  Koeleria pyramidata Elmer I. Applegate 1935-6-8 9435 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  JEPS84219  Kopsiopsis strobilacea L. R. Heckard with J. Hickman et al. 1986-7-17 6460 Siskiyou Ridge E of Kangaroo Peak, S of Lily Pad Lake, ca 5 miles N of the town of Seiad Valley. 2020 Comment
  CAS-BOT-BC499662  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  CHSC114323  Lactuca tatarica subsp. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mi. n.e. of Macdoel, Siskiyou Co. Comment
  POM208430  Lagophylla ramosissima L. C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  UC164040  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  SEINET10577313 Image available Lathyrus pauciflorus subsp. brownii H. E. Brown 1897-6-11 Brown 391 Siskiyou North Side Mt. Shasta. 1524 Comment
  SEINET184714  Lathyrus polyphyllus C. L. Hitchcock, JS Martin 1939-7-3 5209 Siskiyou Open hillside on Takilma-Happy Camp road 1676 Comment
  HSC71460  Lathyrus tracyi J. P. Smith 1973-5-5 6415 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA17691  Layia glandulosa subsp. glandulosa Elmer I. Applegate 1935-6-2 9263 Siskiyou Lyons road near Juniper Butte, Lava Beds national Monument. Comment
  UC1409446  Ledum glandulosum Frederick W. Oettinger 1968-8-2 349 Siskiyou s of Diamond Lake (in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC274357  Leersia oryzoides Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  SD53406  Leersia oryzoides D. F. Howe 1962-8-5 3397 Siskiyou 56.8 miles east of Happy Camp on #96; bank of Klamouth River 609 Comment
  RSA45316  Lepidium campestre Dorothy Parker 1946-05 s.n. Siskiyou Plowman s Valley. 1128 Comment
  CAS-BOT-BC88928  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  CAS-BOT-BC89161  Lepidium draba L. E. Smith 1912-7-1 s.n. Siskiyou Yreka. Comment
  HSC41630  Lepidium perfoliatum Barbara Kelly 1977-5-21 432 Siskiyou Parking lot at Callahan, next to grocery store Comment
  UC1299648  Lepidium perfoliatum Freed W. Hoffman 1948-7-7 2545 Siskiyou near Aetna and Ft. Jones Roads junction Comment
  HSC64815  Lepidium virginicum J. P. Smith, Steve Selva 1970-6-15 3924 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC726822  Leptodactylon pungens A. A. Heller 1938-7-12 15254 Siskiyou on U.S. Highway #97, sixteen mi n Weed Comment
  SBBG98238  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou North Hungry Crk, Siskiyou Mts 1219 Comment
  POM75652  Leptosiphon harknessii Geo D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1220 Comment
  JEPS57186  Lesquerella occidentalis subsp. occidentalis L. R. Heckard 1967-8-13 1688 Siskiyou near the summit Mt. Eddy (s-facing slope); near summit of Mt. Eddy 2712 Comment
  JEPS20614  Lessingia nemaclada Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Region of the Upper Sacramento Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  OBI55415  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  UCSB14919  Leucanthemum vulgare 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC58262  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  RSA760933  Leucothoe davisiae R. F. Thorne, Frederick W. Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2073 Comment
  UC1312936  Lewisia Sandra L. Holloway, J. M. Tucker, and L. K. Mann 1963-7-9 76 Siskiyou near e base of Marble Mountain Marble Mountain Wilderness Area, Marble Mountain 1950 Comment
  POM142945  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 Comment
  RSA211271  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin. 1982 Comment
  HSC4449  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake Basin 1677 Comment
  UC1408940  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou n Upper English Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 1950 Comment
  SBBG30566  Leymus cinereus D. Myrick 1968-6-22 1997 Siskiyou northern part of Lava Beds Nat Monument near Tule Lake Nat Wildlife Refuge 1310 Comment
  POM229945  Leymus triticoides L. C. Wheeler 1935-6-2 3543 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  HSC23542  Ligusticum grayi J. O. Sawyer 1969-8-5 1959 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  CAS-BOT-BC508255  Lilium columbianum Geo. D. Butler 1910-7-20 886 Siskiyou Highland Mine Comment
  HSC36665  Lilium kelleyanum Brent Whitely 1975-6-28 92 Siskiyou 915 Comment
  CAS-BOT-BC509378  Lilium kelleyanum John Thomas Howell 1939-8-7 15114 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC509388  Lilium kelleyanum W. B. Cooke; V. G. Cooke 1962-8-17 33524 Siskiyou Wagon Camp, Mt. Shasta 1737 Comment
  JEPS22831  Lilium pardalinum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  UC164032  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  UC618680  Lilium washingtonianum unknown 1938-7-22 11328 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC133019  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-4 5546 Siskiyou Etna Creek, on road from Sawyers Bar to Etna Comment
  RSA237915  Lilium washingtonianum subsp. purpurascens Frederick W. Oettinger 1968-8-16 541 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC133104  Lilium washingtonianum subsp. washingtonianum Wm. Bridge Cooke 1938-7-22 11328 Siskiyou Sisson Southern Trail 1524 Comment
  SEINET7073522  Linanthus 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
  CHSC71491  Linanthus pungens Vernon H. Oswald; Lowell Ahart 1998-7-21 9318 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  RSA215603  Linanthus pungens subsp. hookeri Gilbert Muth 1969-8-6 1186 Siskiyou Boulder Peak. 2530 Comment
  POM252798  Linanthus pungens subsp. pulchriflorus A. A. Heller 1938-7-12 15254 Siskiyou Near the western base of Deer Mountain 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
  HSC28213  Linnaea borealis subsp. longiflora Carl W. Mize 1972-6-23 94 Siskiyou Along trail by Camp Three. 976 Comment
  RSA0087559  Linnaea borealis subsp. longiflora Douglas Barbe 1955-7-5 101 Siskiyou Klamath Mountains, about 12 miles south of Etna on French Creek. 1097 Comment
  HSC61141  Linum lewisii Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC76987  Linum lewisii K. T. Stillman 1976-6-25 66 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  JEPS82736  Listera convallarioides Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  POM267232  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud. Comment
  UC1045211  Lithocarpus densiflorus var. echinoides unknown 1940-6-6 15031 Siskiyou along the Castle Lake Road Comment
  UC375363  Lithophragma glabrum Geo. D. Butler 1909-3-14 558 Siskiyou near Yreka; near Yreka Comment
  HSC22240  Lithophragma heterophyllum J. O. Sawyer 1969-7-18 1378 Siskiyou Near South Russian Creek 1890 Comment
  HSC41474  Lithophragma heterophyllum Ed Cope 1977-7-16 129 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  HSC24090  Lithophragma tenellum J. O. Sawyer 1971-7-16 2435 Siskiyou Slope NE of Deep Lake 2165 Comment
  CAS-BOT-BC325943  Lithospermum californicum A. M. Vollmer; L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Highway Comment
  UCSB13237  Lithospermum californicum Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  RSA605517  Lithospermum californicum L. C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  UC1251648  Lomatium californicum Tracey and Viola Call 1964-6-26 2294 Siskiyou 10 mi N of Yreka (above Klamath River) 883 Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC76647  Lomatium macrocarpum K. T. Stillman 1976-8-7 175 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  HSC76695  Lomatium macrocarpum K. T. Stillman 1976-8-7 203 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC726881  Lomatium macrocarpum A. A. Heller 1925-6-25 13894 Siskiyou State Hwy. 3 mi. n. Mt. Shasta Comment
  OBI81750  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou Montague Rd. 5 miles west of Mt. Hebron town Comment
  SDSU2237  Lomatium macrocarpum D. F. Howe 1972-7-4 4867 Siskiyou Sanger Peak road just south of Del Norte. Marker, Stoney hillside near Youngs Valley. 1737 Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  UC166104  Lomatium piperi Geo. D. Butler 1910-2-25 1115 Siskiyou Yreka Comment
  UC164423  Lonicera ciliosa Geo. D. Butler 1908-6-29 998 Siskiyou Cherry Creek Comment
  UC164429  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain 1219 Comment
  JEPS13679  Lonicera conjugialis W. L. Jepson 1907-7-6 2858 Siskiyou Cudahay Trail to Klamath River (from Marble Mt.); Marble Mt., Klamath River Comment
  JEPS75367  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-2 394 Siskiyou Shackleford Creek Quartz Valley Comment
  RSA716052  Lotus humistratus L. Ahart, John Dittes 2005-6-9 12014 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC69539  Lotus nevadensis var. nevadensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC1483453  Lotus oblongifolius var. oblongifolius Maralyn A. Renner 1980-6-25 1084 Siskiyou West Fork, Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  UC454686  Lotus oblongifolius var. oblongifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  UCD113636  Luetkea pectinata Alfred H. Murphy 1960-8-10 60 G Siskiyou Klamath National Forest, below Black Mtn. 2072 Comment
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Apr 3 2015
  OBI55450  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  CAS-BOT-BC8288  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou above Shasta Springs Comment
  UC1481282  Lupinus albicaulis var. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station; e of McCloud Ranger Station Comment
  SEINET10936717  Lupinus albifrons Charles Piper Smith 1947-5-13 Smith 47271 Siskiyou 9.2 miles e of weed. Hwy 97 Comment
  POM26763  Lupinus albifrons var. eminens Geo. D. Butler 1909-5-26 776 Siskiyou Yreka Creek Comment
  HSC30774  Lupinus albifrons var. flumineus J. P. Smith, J. O. Sawyer 1972-5-28 5374 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  SEINET10838378  Lupinus albifrons var. flumineus Edwin B. Copel 1903-7-3 Copeland 3527 Siskiyou On dry hills Comment
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  RSA431057  Lupinus andersonii var. andersonii K. Morris, Dun, Kenney, D. I. Morris 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Hwy 89. Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  HSC14940  Lupinus aridus R. Spellenberg 1964-6-20 485 Siskiyou 3 mi. NE of Weed, Hwy. 97. Comment
  POM23593  Lupinus bicolor subsp. tridentatus Geo. D. Butler 1910-4-16 1190 Siskiyou Yreka. Comment
  CAS-BOT-BC215105  Lupinus croceus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains 1889 Comment
  CAS-BOT-BC215182  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CAS-BOT-BC215190  Lupinus croceus C. P. Smith 1940-6-6 15079 Siskiyou Along the Castle Lake Road 1584 Comment
  UC454943  Lupinus croceus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Mt. Bradley; Mt. Bradley near Shasta Retreat 1371 Comment
  UC1023832  Lupinus croceus Douglas Barbe 1955-7-26 288 Siskiyou n slope Scott Mtn. (at a small pond); Klamath Mountains, n slope of Scott Mtn. 1981 Comment
  RSA300986  Lupinus croceus var. pilosellus M. L. Conrad 1973-6-2 6988 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan 2073 Comment
  SEINET10485422  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6964 Siskiyou Road cut, 0.1 mi. N of hornbrook. 732 Comment
  POM24277  Lupinus klamathensis Geo. D. Butler 1910-4-30 1253 Siskiyou Dry hill near Yreka. Comment
  SEINET10485431  Lupinus klamathensis Charles Piper Smith 1947-5-6 Smith 47207 Siskiyou Hornbrook, hwy 99. Roadside bank. Comment
  CAS-BOT-BC202055  Lupinus lapidicola Philip A. Munz 1952-7-2 17877 Siskiyou Road to Baldy Mt. n.w. of Happy Camp, Siskiyou Mts. 1493 Comment
  HSC63293  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, .8 k. SE of Tickner (Peak) 2100 Comment
  SEINET194957  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou Border of a meadow east of Deer Mountain on the old U.S. Highway 97, toward Bray. 1402 Comment
  UC82256  Lupinus lepidus var. medius Mrs. R. M. Austin Siskiyou Lava Beds near Pot Hole Springs; Lava Beds near Pot Hole Springs Comment
  JEPS97000  Lupinus lepidus var. sellulus Dean W. Taylor 1999-8-12 17308 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  SBBG3658  Lupinus leucophyllus H. and M. Dearing 1939-6-30 3751 Siskiyou near Etna 1219 Comment
  HSC41182  Lupinus leucophyllus John Rehling 1976-5-29 406 Siskiyou Near Etna in Scott Valley. Comment
  UC1713502  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River Comment
  RSA413775  Lupinus luteolus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka Comment
  SEINET10488762  Lupinus luteolus Edwin B. Copel 1903-7-2 Copeland 3535 Siskiyou Klamathon. Comment
  RSA105765  Lupinus lyallii var. lyallii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mt. Shasta 1829 Comment
  RSA715635  Lupinus microcarpus L. Ahart 2005-6-9 12015 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC454946  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  NY16054  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  SEINET4460493 Image available Lupinus viridifolius A. A. Heller 1905-1 7928 Siskiyou Comment
  HSC67951  Luzula comosa J. P. Smith 1973-5-5 6513 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC30721  Luzula comosa Frederick W. Oettinger 1969-8-16 1398 Siskiyou Wiregrass Meadow below English Lake 1677 Comment
  CAS-BOT-BC436700  Luzula comosa var. laxa D. E. Breedlove 1962-6-11 3347 Siskiyou On bank of Canyon Creek about 20 miles W of Fort Jones; Marble Mountains 914 Comment
  JEPS66700  Luzula comosa var. laxa B. C. Goldsmith 1916-9-29 33 Siskiyou Medicine Lake Comment
  RSA211376  Luzula comosa var. laxa William J. Ferlatte 1967-8-19 1038 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  RSA105328  Luzula divaricata G. D. Barbe 1955-8-1 326 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  UC1538956  Luzula parviflora W. J. Ferlatte 1987-7-7 2108 Siskiyou ca 1.6 mi e McCloud River R.R. (Bear Springs area, U.S.F.S. Rd. 31); Shasta Quad., Bear Springs Area, e of McCloud River R.R. 1508 Comment
  POM56187  Madia bolanderi E. B. Copeland 1903-8-15 3882 Siskiyou Sisson 1067 Comment
  POM30807  Madia citriodora Geo D. Butler 1910-5-19 1364 Siskiyou Yreka. Comment
  UC1185946  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  UC830843  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  CAS-BOT-BC344006  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Cr. 914 Comment
  CAS-BOT-BC344544  Madia exigua John Thomas Howell 1952-6-14 28345 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  CAS-BOT-BC343431  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET5339049  Mahonia nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  HSC18911  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-10 472 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA183443  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake s Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer s Bar, Salmon Mountains. 1616 Comment
  CAS-BOT-BC347358  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  POM348018  Medicago lupulina Louis C. Wheeler 1934-10-7 3313 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 671 Comment
  POM265992  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD87297  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road, near State Line, south about 3 miles. Comment
  UCD87482  Melica harfordii Beecher Crampton 1956-8-21 3844 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  UCD87557  Melica harfordii R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  SEINET10599586  Melica spectabilis Louis C. Wheeler 1935-7-26 Wheeler 3701 Siskiyou Damp sunny E slope, Jaynes Canyon, Siskiyou Mts. T47N R10W S12, Mt. Diablo Mer. 1951 Comment
  RSA239102  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA403532  Melica subulata M. B. Dunkle 1945-1 9261 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC197189  Melica subulata Geo. D. Butler 1910-7-12 1751 Siskiyou Shackleford Creek 1219 Comment
  UCD88594  Melica subulata AHM 1955-7-29 55 R Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  RSA43891  Melissa officinalis H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  RSA15786  Mentzelia laevicaulis Carl B. Wolf 1927-8-26 1009 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC428463  Micranthes aprica Ella Dales Cantelow 1936-5-20 1419 Siskiyou Summit of Scott Mt., Siskiyou-Trinity Co. line 1630 Comment
  CAS-BOT-BC334234  Micranthes howellii Dana York 2013-6-14 3169 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 4.5 km N of Preston Peak, Bell Echo Camp 1440 Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  LA208999  Micranthes tolmiei Wm. Bridge Cooke; 1939-7-13 Siskiyou Mount Shasta, N side of Red Butte 2499 Comment
  CAS-BOT-BC322660  Microseris laciniata W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar near McCloud Comment
  CHSC88402  Microseris laciniata subsp. laciniata Jenny Marr 1993-7-1 161 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  HSC22304  Microseris nutans J. O. Sawyer 1969-7-11 1322 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  JEPS93851  Microseris nutans Vernon H. Oswald and Lowell Ahart 1998-6-11 9198 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  SJSU6479  Microseris nutans R. W. Trivelpiece 1972-6-9 93 Siskiyou c. 4 mi E of Grass L 1524 Comment
  UC455851  Microseris nutans I. J. Condit 1911-7-5 Siskiyou Shasta Retreat Mt. Bradley 1524 Comment
  HSC46054  Microsteris gracilis Maralyn O'Meara 1974-5-25 421 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  UC446430  Mimulus arvensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC26886  Mimulus breweri Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  HSC29399  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou High Lake Basins: main camp site, English Lake 1829 Comment
  RSA237540  Mimulus breweri Frederick W. Oettinger 1967-8-20 296 Siskiyou Stream about 100 yards below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC40420  Mimulus cardinalis J. O. Sawyer 1973-7-16 2538 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  SBBG25929  Mimulus guttatus D. Myrick 1966-8-9 1514 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC446456  Mimulus guttatus Annie M. Alexander and L. Kellogg 1911-6-13 Siskiyou 6 mi nw Callahan Comment
  JEPS94384  Mimulus jepsonii Vernon Oswald and Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  POM213853  Mimulus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mi from junction with Sacramento River. 732 Comment
  HSC22289  Mimulus lewisii J. O. Sawyer 1968-7-10 502 Siskiyou Above Sugar Lake 2012 Comment
  RSA434638  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Summit Trail. Marble Mountains. Klamath National Forest. Comment
  SEINET515850  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC1190118  Mimulus moniliformis Ira L. Wiggins 1955-7-27 13550 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC61893  Mimulus moschatus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC72488  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-16 4059 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA12487  Mimulus moschatus Carl B. Wolf 1934-7-4 5950 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA237573  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA50146  Mimulus moschatus var. moniliformis E. K. Balls 1949-7-9 13935 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. Comment
  UC618711  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-15 11214 Siskiyou above Bear Springs; Mount Shasta Comment
  JEPS47723  Mimulus nanus var. nanus W. B. and V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station; Mt. Shasta 1676 Comment
  JEPS86951  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  LA94996  Mimulus nanus var. nanus J. M. Tucker; 1963-7-7 3724 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UC164371  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek 1219 Comment
  HSC72399  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-17 4469 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA237541  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1969-7-29 1099 Siskiyou Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1982 Comment
  HSC32164  Mimulus pulsiferae J. O. Sawyer 1970-6-17 2205 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  POM163895B  Minuartia nuttallii subsp. gregaria E. B. Copeland 1903-8-18 3907 Siskiyou Mt. Eddy. 2134 Comment
  RSA211229  Minuartia nuttallii subsp. gregaria William J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit. 2134 Comment
  CAS-BOT-BC181107  Minuartia nuttallii var. gregaria Gilbert J. Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge 2316 Comment
  NY8430  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou T40N R8W, Sec. 24. Along S side of State Route 3, 3.1 mi N of Scott Moutnain Pass. Rocky openings in Jeffery Pine woodland on serpentine. 4000 ft. Comment
  UC1459328  Mirabilis greenei George E. Pilz 1973-5-25 993 Siskiyou 4 mi n Yreka (above Shasta River) 700 Comment
  RSA78671  Mitella diversifolia P. A. Munz 1952-7-1 17864 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  HSC682  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin 2226 Comment
  CAS-BOT-BC433062  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  RSA123588  Mitella pentandra G. D. Barbe 1955-7-9 149 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  RSA184752  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC1053436  Moehringia macrophylla Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3138 Siskiyou opposite town Dunsmuir (on e side of canyon, cliffs along Sacramento River); cliffs along Sacramento River, e side of canyon Comment
  HSC22247  Monardella glauca J. O. Sawyer 1969-8-4 1837 Siskiyou Above Sugar Lake 2134 Comment
  UCD125202  Monardella odoratissima subsp. glauca K. M. Meyer; A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest; 10.1 miles on National Forest Road 70, off Highway 97 toward Oregon. 1956 Comment
  UCR21090  Monardella odoratissima subsp. glauca T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CHSC67842  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3431 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  HSC69261  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-20 3745 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS63390  Monardella odoratissima subsp. pallida Geo. D. Butler 1908-8-3 167 Siskiyou near Log Lake; Shackelford Creek 1524 Comment
  CAS-BOT-BC222181  Monardella odoratissima subsp. pallida Elmer I. Applegate 1923-8-18 3874 Siskiyou Near summit of Redshale [Red Shale] Mountain, East of Medicine Lake 2438 Comment
  CDA40784  Monardella sheltonii T. C. Fuller 1962-8-3 9505 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  JEPS43183  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou Oro Fino Comment
  HSC73386  Montia linearis Robert Kirkpatrick, Doug Renwick 1981-5-30 159 Siskiyou 3 mi. from Hwy. 3 off FS Rd. 40N22 1220 Comment
  CAS-BOT-BC445208  Montia parvifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5288 Siskiyou Sanger Peak 1780 Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1408941  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou n of Upper English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UCSC000246  Montia parvifolia I. J. Condit 2011-7-4 s.n. Siskiyou Shasta Retreat Comment
  UC375306  Morus alba Geo. D. Butler 1910-6-1 1553 Siskiyou Yreka Comment
  UCD86406  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Siskiyou County, southeast base of White Ridge, canyon of south fork of Sacramento River. 1371 Comment
  UCD86503  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  CAS-BOT-BC267049  Muhlenbergia filiformis Doris K. Kildale 1928-8-18 6469 Siskiyou Near head of N Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC275337  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  CAS-BOT-BC275341  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC83244  Myosurus minimus A. A. Heller 1925-7-25 13900 Siskiyou In a field along the Pacific highway near Edgewood. Comment
  UC1265375  Najas flexilis F. W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mountains, Smith Lake, western Siskiyou County Smith Lake; Salmon Mountains, Smith Lake 1417 Comment
  JEPS69761  Nama densa var. parviflora W. B. and V. G. Cooke 1972-6-30 45412 Siskiyou above Andesite Crossing (Mount Shasta, Military Pass Road); Mount Shasta, Military Pass Road 1524 Comment
  CHSC30763  Nama lobbii M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3256 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, in Yellow Pine plantation, ca. 17 mi e of McCloud. Comment
  UC1045266  Nama lobbii W. Bridge Cooke 1940-6-6 15045 Siskiyou in open places along the Castle Lake Road (in the brush fields); along Castle Lake Road Comment
  CHSC57438  Navarretia intertexta L. P. Janeway 1984-6-21 862 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. Vernal pond on back edge of flat. 594 Comment
  UC101970  Navarretia intertexta H. E. Brown Jun 11 1897-Jun 16 1897 301 Siskiyou n side Mt. Shasta 1524 Comment
  JEPS120221  Navarretia sinistra subsp. sinistra Julie Kierstead Nelson 2011-8-23 2011 -43 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  UC164095  Navarretia tagetina Geo. D. Butler 1910-5-26 1406 Siskiyou Yreka Comment
  UC24282  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1649 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2286 Comment
  CHSC81484  Nitrophila occidentalis Ann Willyard 2000-6-21 418 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CAS-BOT-BC60574  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  CAS-BOT-BC60577  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou On north slope of Scott Mountain. 1524 Comment
  CAS-BOT-BC60578  Noccaea fendleri subsp. glauca W. R. Dudley 1893-6-20 s.n. Siskiyou Along upper part of Castle Lake Trail near Mount Shasta. Comment
  CAS-BOT-BC60580  Noccaea fendleri subsp. glauca Geo. D. Butler 1908-8-5 129 Siskiyou Summit above Cold Spring Wooley Creek. Comment
  HSC75106  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-16 10136 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  CDA11961  Nothochelone nemorosa G. F. Hrusa, R. Meese 1993-8-14 11399 Siskiyou Indian Ck. Rd. between Happy Camp, Ca. and O'Brien Or., at summit of pass just on Ca. side of state boundary. 1426 Comment
  HSC19106  Nothochelone nemorosa J. O. Sawyer 1969-8-1 1626 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC4879  Nothochelone nemorosa J. O. Sawyer 1968-9-9 651 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS119373  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake. Comment
  HSC59711  Notholithocarpus densiflorus var. echinoides Clark L. Miller 1978-10-21 79 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  UCR247344  Nymphaea Jodi Aceves 2008-7-7 PDR- 1413864 Siskiyou Montahue, 15438 Ager-Beswick Rd. Comment
  UC73298  Oenothera flava subsp. flava Milo S. Baker 1898-8-1 485 Siskiyou Medicine Lake Comment
  RSA530118  Orcuttia tenuis D. W. Taylor 1988-6-23 9861 Siskiyou 5 miles north of Timbered Crater, 1 mile SE of Adobe Flat. 1098 Comment
  UC1608317  Oreostemma alpigenum var. andersonii J. Kierstead 1990-7-18 90 -103 Siskiyou Gumboot Creek 100 yd s Forest Service Rd 40N26 (s side of mt.); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt 1676 Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  CAS-BOT-BC458073  Orthilia secunda Edna Kelsey 1961-8-1 s.n. Siskiyou Cuddyhi Lake, Marble Mts. Comment
  CHSC33847  Orthilia secunda J. D. Prouty 1981-8-5 1283 Siskiyou Forest adjacent to Squaw Creek, N of road 41N31.2 ca. 3/4 mi N of Intake Spring. 1463 Comment
  JEPS83863  Orthilia secunda Wayne Roderick Jul 1976 Siskiyou Siskiyou Mts. Vicinity of Cook and Green Pass 1463 Comment
  CAS-BOT-BC458077  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  RSA0083199  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC94476  Orthocarpus cuspidatus subsp. copelandii R. C. Wenk 2005-7-19 345 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  RSA50200  Orthocarpus cuspidatus subsp. copelandii E. K. Balls 1949-7-8 13904 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1677 Comment
  UC1400368  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou due w English Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1760 Comment
  RSA105408  Osmorhiza berteroi G. D. Barbe 1955-6-30 58 Siskiyou 0.7 mile northwest of Forest Camp, Etna 945 Comment
  HSC30484  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou NE facing slope above Tanner Peak Trail, 400 yards down from English Peak Trail. 2134 Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  SD46776  Packera streptanthifolia E. K. Balls, L. W. Lenz 1956-6-18 21722 Siskiyou 5.7 miles southeast of Gazelle, US Highway 99, Yreka to Dunsmuir 885 Comment
  CAS-BOT-BC202835  Paxistima myrsinites John Thomas Howell 1937-7-23 13369 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC202840  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  POM87427  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat. Comment
  CAS-BOT-BC202857  Paxistima myrsinites Volney Rattan 1879-6-16 s.n. Siskiyou Summit of Siskiyou Mountains Comment
  UCD77869  Pectiantia pentandra Robert E. Preston 2001-6-23 1551 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC300  Pedicularis bracteosa var. flavida William J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin 1982 Comment
  HSC65021  Pedicularis bracteosa var. flavida D. L. Goforth 1979-7-19 268 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.5 mi. S of Caribou Lake 2195 Comment
  HSC806  Pedicularis bracteosa var. flavida William J. Ferlatte 1967-7-25 725 Siskiyou Caribou Basin 1982 Comment
  UCD123289  Pedicularis bracteosa var. flavida Alfred H. Murphy 1961-7-19 61 D Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 Comment
  HSC49937  Pedicularis howellii G. L. Clifton 1979-7-1 6198 Siskiyou Near Poker Flat, close to the town of Happy Camp 1653 Comment
  HSC4831  Pedicularis racemosa J. O. Sawyer 1968-7-22 523 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC164360  Pedicularis racemosa Geo. D. Butler 1908-8-3 99 Siskiyou Shackleford Creek Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  RSA605525  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountain, near summit of Ukonom Mountain 1402 Comment
  CAS-BOT-BC67724  Pellaea brachyptera Wm. Bridge Cooke 1938-6-17 11036 Siskiyou Mount Shasta - along the Sison Southern Trail on a lava flow outcropping. 1371 Comment
  HSC44388  Penstemon anguineus Maralyn O'Meara 1973-6-25 238 Siskiyou Music Creek 1463 Comment
  UC1408762  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou ridge between English Peak and Charmaine Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2023 Comment
  JEPS24965  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou summit of Takilma-Happy Camp Road Siskiyou Mts., summit Takilma-Happy Camp Road 1676 Comment
  RSA44883  Penstemon anguineus J. C. Roos 1948-9-1 3945 Siskiyou 10 miles SW of Etna. Comment
  UC61068  Penstemon azureus var. azureus W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou The Bend McCloud River, The Bend Comment
  UC180115  Penstemon cinereus H. M. Hall and E. B. Babcock June, 1903 4118 Siskiyou near Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  CHSC30325  Penstemon cinicola M. S. Taylor 1980-8-18 3259 Siskiyou Pumice Stone Well, 0.5 mi n of Pumice Stone Mt. 1950 Comment
  UC1586909  Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  SD86686  Penstemon davidsonii Helen V. Witham 1969-10-9 610 a Siskiyou Near creek, Panther Meadow, Mount Shasta 2400 Comment
  CDA17144  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  HSC22163  Penstemon deustus J. O. Sawyer 1969-7-2 1014 Siskiyou Slope above Big Blue Lake 2256 Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  JEPS11235  Penstemon deustus var. deustus W. L. Jepson July, 1894 21421 Siskiyou n Sisson (Muir Peak (Black Butte)); , n of Sisson Comment
  SD61023  Penstemon deustus var. pedicellatus Darley F. Howe 1964-8-4 3932 Siskiyou 9 mi. from entrance to Modoc Nat. Forest. Lava Bed Nat. Monument 2042 Comment
  POM251095  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11547 Siskiyou Mt Shasta. Lava flats at Horse camp. 2439 Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  RSA408035  Penstemon gracilentus Cora Mae Life 1923-08 14590 Siskiyou Mt. Shasta Comment
  SEINET5329750 Image available Penstemon heterodoxus var. shastensis G. Butler 1910-6-19 1591 Siskiyou Goosenest foothills 1524 Comment
  HSC72494  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-16 4017 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC229876 Image available Penstemon laetus H. E. Brown Jun 11 1897-Jun 16 1897 360 Siskiyou n side Mt. Shasta; ; Mt. Shasta, Siskiyou Co. 1524 Comment
  NY604567  Penstemon laetus var. sagittatus N. H. Holmgren 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  UC1341739  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  UC722757  Penstemon laetus var. sagittatus C. L. Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1676 Comment
  HSC55718  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-26 10150 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC239332  Penstemon newberryi var. berryi L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  JEPS15385  Penstemon newberryi var. berryi Douglas Barbe 1955-7-9 150 Siskiyou Kangaroo Lake, S side Scott Mountains 1828 Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  UCD124119  Penstemon procerus Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1859 Comment
  JEPS74426  Penstemon procerus var. brachyanthus W. J. Ferlatte 1966-7-7 195 Siskiyou Trinity Alps, Caribou Basin Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA211397  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC6570  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  HSC36808  Penstemon speciosus J. P. Smith 1974-5-27 7629 Siskiyou Along FS Rd. 47N03 1280 Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  UC454777  Penstemon speciosus I. J. Condit July 1911 Siskiyou Sisson Comment
  UCR93363  Penstemon speciosus 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
  RSA176492  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou Near Yreka. Comment
  RSA189808  Penstemon speciosus Noel Holmgren, James L. Reveal 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  UC1312907  Perideridia leptocarpa L. Constance and T. I. Chuang 1967-7-22 3802 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River 762 Comment
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Mar 2 2015
  UC1446414  Perideridia oregana Laura Witherspoon 1980-9-17 124 Siskiyou Oak Knoll Ranger District 762 Comment
  HSC43050  Persicaria lapathifolia K. T. Stillman 1976-8-24 441 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CAS-BOT-BC330261  Petasites frigidus var. palmatus L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  UC673182  Phacelia Lincoln Constance and Reed C. Rollins 1942-5-14 2928 Siskiyou 4 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  HSC79320  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  JEPS2782 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  UC164114  Phacelia corymbosa Geo. D. Butler 1910-5-4 1280 Siskiyou dry hill near Yreka Comment
  UC923089  Phacelia corymbosa Freed W. Hoffman 1950-7-11 3314 Siskiyou Elk Valley Rd 5.7 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  JEPS33176  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Plowman's Valley (Noyes Valley), e. fork of Scott River, Schoolhouse Hill Schoolhouse Hill; e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  UC1561279  Phacelia greenei Barbara Ertter with Thomas J. Delendick 1987-5-17 6969 Siskiyou on FR 40N08 1/2 mi e Rt. 3; Scott Mt. Summit 1706 Comment
  HSC65581  Phacelia hastata R. White 1977-7-1 93 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC794431  Phacelia hastata subsp. compacta W. Bridge Cooke 1949-8-22 25560 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  RSA133992  Phacelia hastata subsp. hastata L. R. Heckard 1956-8-7 827 Siskiyou About 10.5 miles northeast of Weed, along U. S. Highway 97. 1189 Comment
  UC535111  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou about 2 mi nw Mt. Shasta City 1051 Comment
  RSA582232  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  CHSC71304  Phacelia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9182 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC901811  Phacelia mutabilis L. Constance, J. F. Davidson, B. Kasipligil, and H. L. Mason 1950-7-16 3359 Siskiyou e side Little Grayback Peak (summit of Happy Camp-Waldo rd) 1524 Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  JEPS1088  Phacelia procera W. L. Jepson Jul 17 1902-Jul 22 1902 2076 Siskiyou Salmon Summit Western Siskiyou 2286 Comment
  HSC67964  Philadelphus californicus J. P. Smith 1976-5-22 8790 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC77414  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 Comment
  CAS-BOT-BC77417  Philadelphus lewisii Carl B. Wolf 1927-8-26 1044 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC77432  Philadelphus lewisii A. M. Vollmer; L. Beane 1951-6-2 38 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  UC165387  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek Comment
  RSA0058050  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou Down creek from Marble Valley, Marble Mts. Comment
  UC1190253  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou small gulch on Rush Creek Trail 1.5 mi above Mt. View Ranch 1036 Comment
  HSC34296  Phleum pratense J. P. Smith, J. O. Sawyer 1973-8-14 7290 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  HSC23553  Phlox adsurgens J. O. Sawyer 1970-7-3 2310 Siskiyou W of Camp 3 Comment
  UC682099  Phlox adsurgens G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3268 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  HSC29270  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Marble Mtn. Wilderness Area, 1/8 mi. NE of Tobacco Lake 1890 Comment
  UC1034037  Phlox austromontana unknown 1941-8-21 16239 Siskiyou between Cascade Gulch and Diller Canyon; Mt. Shasta 2590 Comment
  HSC19155  Phlox diffusa J. O. Sawyer 1969-7-24 1484 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC46348  Phlox diffusa J. P. Smith 1973-5-5 6424 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET10913457  Phlox diffusa Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 868 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
  UC1409302  Phlox diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  POM255931  Phlox diffusa subsp. diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  UC572311  Phlox hoodii subsp. canescens W. H. Mitchell 1936-5-8 Siskiyou Base of Schonclim Butte Dorris Quad. 1432 Comment
  HSC17196  Phlox speciosa subsp. nitida Lincoln Constance, R. C. Rollins 1942-5-13 2912 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 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
  JEPS69984  Phlox speciosa subsp. occidentalis J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC585233  Phlox speciosa subsp. occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1915 Siskiyou about 7 mi sw Yreka (Forest House Mt., s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  HSC15910  Phoradendron bolleanum R. C. Wunner 1965-6-18 213 Siskiyou Near Indian Well Camp, Lava Beds National Monument 1433 Comment
  CAS-BOT-BC56496  Phyllodoce empetriformis Douglas Barbe 1955-7-26 286 Siskiyou on the north slope of Scott Mtn. 1981 Comment
  LA41255  Phyllodoce empetriformis Wm. Bridge Cooke; 1938-8-18 11496 Siskiyou Mount Shasta, around the springs above Horse Camp along the summit trail 2499 Comment
  UC1034568  Phyllodoce empetriformis Douglas Barbe 1955-7-25 286 Siskiyou n slope of Scott Mountain Scott Mountain 1981 Comment
  UCD19279  Phyllodoce empetriformis Julie Knorr 1980-7-15 66 Siskiyou 1 mi. up Houston Creek Trail above road, rocky outcrop above trail.. 1950 Comment
  CAS-BOT-BC60764  Physaria occidentalis K. T. Stillman 1976-7-7 172 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC540711  Physocarpus capitatus Dana York 2012-7-22 3146 Siskiyou Siskiyou Mountains: Klamath National Forest, along the jeep road heading to Lily Pad Lack ca. 600 m SW ofCook & Green Pass 1740 Comment
  UC1736325  Physocarpus capitatus Dean W. Taylor 1972-7-3 1602 Siskiyou Cook and Green Pass 1371 Comment
  UCR131594  Physocarpus capitatus L. C. Wheeler 1934-7-5 2877 Siskiyou Siskiyou Mtns., Beaver Creek at Deer Creek 976 Comment
  UC1267076  Picea Dorothy Parker June, 1962 Siskiyou Sugar Creek Siskiyou Mountains, Salmon Mountains 1219 Comment
  CAS-BOT-BC73426  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon Rvr.), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mts 1615 Comment
  CAS-BOT-BC78171  Picea breweriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  HSC43422  Picea breweriana Maralyn O'Meara 1974-5-25 389 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC69122  Picea breweriana Maralyn A. Renner 1980-8-7 2386 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA237213  Picea breweriana Frederick W. Oettinger 1967-8-26 334 Siskiyou NE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  NY30143  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC4808  Pinus albicaulis J. O. Sawyer 1968-7-9 753 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  NY49383  Pinus balfouriana W. R. Dudley 1901-8-22 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC67797  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-22 3998 Siskiyou Little Horse Peak 1720 Comment
  CAS-BOT-BC78715  Pinus jeffreyi Peter H. Raven 1956-9-5 10460 Siskiyou North Fork of Sacramento River 1828 Comment
  HSC1516  Pinus lambertiana R. C. Wunner 1965-8-21 463 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  RSA82766  Pinus lambertiana J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
  POM281976  Pinus monticola Lyman Benson 1929-3-26 1067 Siskiyou Shoulder of Mt. Shasta near the limit of pine trees. Comment
  UC542249  Pinus murrayana H. M. Hall and E. B. Babcock 1903-6-17 4105 Siskiyou Divide, between Shasta and Black Crater; Sierra Nevada Mountains, Mount Shasta 1706 Comment
  CAS-BOT-BC72871  Pinus ponderosa L. B. Kildale 1930-6-1 9775 Siskiyou Black Bear Trail to Sawyers Bar Comment
  HSC1540  Pinus ponderosa R. C. Wunner 1965-7-9 377 Siskiyou Lava Beds National Monument, Upper Ice Cave Junction with Tichner Rd. 1555 Comment
  CAS-BOT-BC228035  Plagiobothrys Lewis S. Rose 1946-6-4 46143 Siskiyou 2 miles S of Dorris 1219 Comment
  HSC46221  Plagiobothrys shastensis Jennifer Whipple 1978-6-5 2331 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CHSC71289  Plagiobothrys tenellus Vernon H. Oswald; Lowell Ahart 1998-6-11 9177 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS107315  Plantago lanceolata Lowell Ahart, John Dittes 2005-6-10 12118 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA240061  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above Trail near Young's Cabin on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SBBG30577  Platanthera dilatata var. leucostachys D. Myrick 1968-6-29 2058 Siskiyou Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  JEPS29999  Platanthera leucostachys Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7985 Siskiyou wet meadow at n end of town town of Mt. Shasta (Sisson) Comment
  UC336576  Platanthera leucostachys unknown 1889-6-8 Siskiyou near Edgewood Comment
  HSC22469  Platanthera sparsiflora J. O. Sawyer 1969-7-11 1312 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  HSC62289  Platanthera sparsiflora Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  JEPS80566  Platanthera stricta Gilbert Muth 1965-10-4 169 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  RSA249349  Platanthera stricta A. Montalvo, J. D. Akerman 1974-8-17 423 Siskiyou West slope of Preston Peak, 5 miles north of Rattlesnake Meadow 1646 Comment
  RSA597980  Platanthera stricta Louis C. Wheeler 1963-8-29 8304 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  UC999839  Plectritis congesta S. C. Dyal 1938-6-12 716 Siskiyou California Comment
  HSC68344  Plectritis macrocera J. P. Smith 1973-5-5 6425 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  UC164086  Plectritis macrocera Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek Comment
  POM128299  Plectritis macrocera subsp. grayi A. M. Alexander, Louise Kellogg 1911-6-13 124 Siskiyou 6 miles northwest Callahan. Comment
  RSA31172  Poa A. A. Heller 1905-6-19 8070 Siskiyou Grenada Station, Along railroad Comment
  HSC100250  Poa bulbosa J. P. Smith, & J. O. Sawyer 2010-5-2 12806 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  UC450473  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Yreka (Schulmeyer's (Geo. Gray's) Ranch) Comment
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May 9 2008
  UCR39784  Poa canbyi K. T. Stillman 1976-6-25 98 Siskiyou Between Marble Gap and Elk Valley Trail Comment
  HSC10673  Poa compressa R. C. Wunner 1965-6-6 80 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  SEINET10660678  Poa laevigata A. Arthur Heller 1905-6-19 Heller 8070 Siskiyou Grenada Station. Comment
  RSA239032  Poa nervosa Frederick W. Oettinger 1969-9-4 1666 Siskiyou south side of Tobacco Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA0000484  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC256013  Poa pratensis Wm. Bridge Cooke 1938-7-15 11236 Siskiyou Wagon Camp, Mount Shasta 1737 Comment
  CAS-BOT-BC256017  Poa pratensis R. E. Frenkel 1963-7-13 224 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  CAS-BOT-BC256022  Poa pratensis John Thomas Howell 1980-4-28 53368 Siskiyou Grenada 792 Comment
  UC1132719  Poa pratensis subsp. pratensis H. A. Jensen 1933-7-27 333 Siskiyou Grey Butte; Shasta Nat'l Forest, Dunsmuir Quadrangle Comment
  CAS-BOT-BC247530  Poa pringlei A. A. Heller 1921-7-17 13579 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  JEPS33849  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2042 Comment
  POM113796  Poa secunda Geo D. Butler 1910-5-6 1294 Siskiyou Near Yreka. Comment
  RSA184779  Poa secunda Gilbert Muth 1966-7-31 477 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  RSA273422  Poa secunda J. P. Smith 1976-5-5 8708 Siskiyou road between Forks of Salmon and Somes Bar 366 Comment
  UC589888  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi sw Gazelle; Etna Quadrangle 792 Comment
  CDA18409  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2618 Siskiyou Klamath Ranges; north edge of Fort Jones beside Hwy 3; ; 0.1 mi N of Hamilton St., Ft. Jones. 822 Comment
  SJSU6534  Poa secunda subsp. secunda R. W. Trivelpiece 1973-6-28 160 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi due west of Callahan 2042 Comment
  UCD90718  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1249 Siskiyou Yreka. Comment
  HSC92030  Poa wheeleri Jennifer Whipple 1976-7-2 1274 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  JEPS121612  Podagrostis thurberiana Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  UCD77931  Polemonium occidentale subsp. occidentale Robert E. Preston 2001-7-20 1697 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  CAS-BOT-BC231352  Polemonium pulcherrimum Douglas Barbe 1955-8-1 325 Siskiyou Klamath Mountains. Summit of Mt. Bolivar, Scott Mts. 2468 Comment
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  CAS-BOT-BC170343  Polygala cornuta var. cornuta Marion Ownbey; Fred G. Meyer 1940-7-3 2164 Siskiyou 7 miles northwest of McCloud Comment
  CHSC63519  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  JEPS24616  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6769 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  OBI55528  Polygala cornuta var. cornuta David J. Keil, Kathleen Keil 1992-7-21 23517 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC414277  Polygonum aviculare subsp. depressum R. E. Frenkel 1964-10-2 898 Siskiyou On north side of Everitt Memorial Highway near Mount Shasta 1676 Comment
  RSA237748  Polygonum bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Slope dropping down to upper English Lake near trail 'Y' to English Peak. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UCD77938  Polygonum californicum Robert E. Preston 2002-6-22 1883 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  JEPS50517  Polygonum convolvulus Geo. D. Butler 1908-8-29 197 Siskiyou near Oro Fino; Marlahan Ranch Comment
  UC850082  Polygonum davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake Marble Mts. Comment
  CAS-BOT-BC414594  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  JEPS24802  Polygonum douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6811 Siskiyou about 3 mi nw Weed (head of valley); Shasta Valley 975 Comment
  RSA237771  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Trail side above Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1191239  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-18 13622 Siskiyou Grass Lake Comment
  UC163820  Polygonum douglasii subsp. douglasii Geo. D. Butler 1908-8-3 185 Siskiyou Log Lake Shackleford Creek Comment
  UC375151  Polygonum douglasii subsp. douglasii Geo. D. Butler 1908-8-8 186 Siskiyou West Fork of Woolly Creek; head Comment
  UC454278  Polygonum douglasii subsp. douglasii I. J. Condit 1911-7-7 Siskiyou Shasta Retreat; meadow and along logging road 914 Comment
  UC850385  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  CAS-BOT-BC418586  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  RSA183429  Polygonum minimum J. M. Tucker 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  UC55508  Polygonum phytolaccifolium Harley P. Chandler June, 1901 1627 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET13711311  Polygonum polygaloides subsp. confertiflorum Lowell William Ahart, Lowell William Ahart 1998-1 9335 Siskiyou NE of Weed and E of Grass Lake at Gravel Pit on S Side of Tennant Rd. (T44N, R1W, sec 32, NW 1/4) 4600 Ft. 1402 Comment
  UC1059020  Polygonum polygaloides subsp. kelloggii A. H. Murphy 1956-8-16 56 M Siskiyou Klamath N. F. 1981 Comment
  UC127333  Polygonum sawatchense subsp. sawatchense H. M. Hall and E. B. Babcock June, 1903 4049 Siskiyou near Sisson; Mount Shasta 1066 Comment
  SD53344  Polygonum shastense Darley F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta 2438 Comment
  UCSB27393  Polygonum shastense Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  CAS-BOT-BC421083  Polygonum spergulariiforme W. B. Cooke; V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Road above Andesite Crossing, Mt. Shasta Comment
  HSC156  Polygonum spergulariiforme William J. Ferlatte 1966-8-3 249 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC421064  Polygonum spergulariiforme G. P. Rixford No date on label s.n. Siskiyou South side, Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC421087  Polygonum spergulariiforme W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  SEINET193229 Image available Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 miles east of Seiad 457 Comment
  UC673174  Polypodium glycyrrhiza Lincoln Constance and Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 mi e of Seiad; Klamath-Siskiyou Region 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
  HSC19289  Polystichum imbricans J. O. Sawyer 1969-7-10 1295 Siskiyou Ridges E of Russian Peak 2256 Comment
  CAS-BOT-BC76726  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-4-27 7504 Siskiyou Cecilville Comment
  UC1400748  Polystichum imbricans subsp. imbricans Alan R. Smith 1972-5-20 571 Siskiyou along rd. from Callahan to Somes Bar (between Cecilville and Forks of Salmon) Comment
  UC1456685  Polystichum imbricans subsp. imbricans I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat Mt. Bradley 1524 Comment
  HSC30491  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1969-8-25 1554 Siskiyou Salmon Mtns., Little N Fork stream crossing along trail from end of the logging rd. to the Devil's Canyon trail 1220 Comment
  JEPS89829  Polystichum kruckebergii Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou n.-facing slope of s. wall of Alcohol Crater; extreme n.e. Siskiyou Co., Medicine Lake area, Alcohol Crate Comment
  UC334281  Polystichum lemmonii unknown 1878-7-12 Siskiyou near Mt. Shasta Comment
  UC336670  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Mt. Eddy Comment
  UC922425  Polystichum lemmonii Annie M. Alexander and Louise Kellogg 1949-7-29 5892 Siskiyou top of ridge above Sky High Lake; Marble Mts., Sky High Valley 1920 Comment
  UC1034653  Polystichum lemmonii Douglas Barbe 1955-7-26 287 Siskiyou below summit Scott Mt.; Klamath Mts. 1981 Comment
  HSC34293  Polystichum lonchitis J. P. Smith, J. O. Sawyer 1973-8-14 7287 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  RSA183744  Polystichum lonchitis Gilbert Muth 1965-8-3 161 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Marble Valley Comment
  RSA13704  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  CAS-BOT-BC76681  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral, Russian Creek Comment
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  SEINET10906094  Porterella carnosula Noel H. Holmgren 1980-7-1 Holmgren 9449 a Siskiyou U.S. Highway 97, 21.4 km (13.3 miles) south-southwest of Macdoel 1524 Comment
  CHSC57468  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side of Klamath River at Dillon Creek. 228 Comment
  CAS-BOT-BC452130  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side Klamath River at Dillon Creek. 228 Comment
  UC725956  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou Abram Lake Comment
  SEINET3893295  Potamogeton richardsonii Louis C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek.; 0 Comment
  HSC85  Potentilla breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek 2134 Comment
  UC1607535  Potentilla drummondii subsp. breweri Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9365 Siskiyou Ca 1 mi E of Toad Lake at head of Middle Fork Sacramento River ca 8 air miles W of Mt Shasta City. 1981 Comment
  UC375272  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  UC574866  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC62286  Potentilla gracilis Al Hobart 1967-8-8 Siskiyou Youngs Valley 1524 Comment
  RSA237845  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou Along trail midway between English Lake and drift fence. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC158529  Potentilla millefolia A. A. Heller 1905-6-20 8074 Siskiyou Gazelle Comment
  SEINET182279  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  HSC4472  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge; steep N-facing slope 2195 Comment
  HSC19563  Prosartes hookeri J. O. Sawyer 1968-6-19 250 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  CAS-BOT-BC158224  Prunus emarginata D. E. Breedlove 1962-7-14 3925 Siskiyou On steep slope on ridge between Liebel Peak and Piute Peak, 12.4 miles southwest of Bodfish-Havilah Road; Piute Mountains 2164 Comment
  CAS-BOT-BC158240  Prunus emarginata Doris K. Kildale 1928-8-20 6625 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  RSA331953  Prunus emarginata Dave Kelly 1985-7-31 4083 Siskiyou 3.3 miles from Mt. Shasta Town, along road to Castle Lake. Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC154674  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou West edge of Lava Beds between Bartle & Lookout Comment
  CAS-BOT-BC151236  Prunus virginiana var. demissa C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  UC1128442  Prunus virginiana var. demissa M. H. Mitchell 1936-5-12 Siskiyou n side of Eaglenest, Modoc Lava Beds National Monument Eaglenest; Modoc Lava Beds National Monument, Eaglenest 1584 Comment
  UCR152042  Prunus virginiana var. demissa P. V. Wells 1967-1-7 s.n. Siskiyou Mt. Shasta, At Mcbryde Spring 1524 Comment
  CAS-BOT-BC239821  Pseudoroegneria spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC80175  Pseudotsuga menziesii Doris K. Kildale 1929-3-12 7812 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  CAS-BOT-BC72683  Pteridium aquilinum G. C. Kimber 1934-4-9 36 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  CAS-BOT-BC460554  Pterospora andromedea Ira L. Wiggins 1955-7-21 13443 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  HSC63299  Pterospora andromedea M. A. Baker 1979-7-31 1095 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  RSA240086  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Trail from Abbott's Lake to Cold Springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  SEINET202667  Pteryxia terebinthina var. californica Willis L. Jepson 13488 Siskiyou Lake Sisson Mt Shasta. Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 Siskiyou 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. Comment
  UCD169447  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 Siskiyou About 2 1/2 miles (air) east-southeast of Grenada, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 300 yards east of where cattle water in the Shasta River, on the east side of a poor rock fence. 774 Comment
  UCD91893  Puccinellia lemmonii Chandler Jensen; Mike McGourty 1961-8-1 s.n. Siskiyou Near Yreka, Red Bluff. Comment
  RSA749207  Purshia tridentata K. M. Meyer, A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  RSA121381  Purshia tridentata var. tridentata G. D. Barbe 1955-6-28 13 Siskiyou 0.4 mile N of Callahan 1006 Comment
  RSA449670  Purshia tridentata var. tridentata Bonnie C. Templeton 1964-6-9 10065 Siskiyou Slope of Mt. Shasta Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson 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
  HSC29312  Pyrola crypta Frederick W. Oettinger 1968-8-7 439 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC462798  Pyrola dentata Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  RSA0084305  Pyrola picta Diana D. Jolles, Erik M. Beaston 2011-7-3 440 Siskiyou Shasta-Trinity National Forest (Shasta Unit). Area is about 5 miles south-southeast of Bartle. On 39N06 road between Highway 89 and Pacific Crest Trail, just past Bartle Gap. 1478 Comment
  CAS-BOT-BC466142  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA0083258  Pyrola picta A. E. Culbertson 1943-8-5 47 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. with 10 air miles of its headwaters to the west. Comment
  UC705687  Pyrola picta Marion Ownbey, Fred G. Meyer 1940-7-8 2225 Siskiyou 17 mi n of Happy Camp (near Summit of Siskiyou Mountains); Siskiyou Mountains Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  HSC103623  Pyrrocoma racemosa var. pinetorum Thomas W. Nelson, Jane Nelson 1980-8-23 6314 Siskiyou At head of Mule Creek, just north of the Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  UCSB26861  Quercus chrysolepis Broder, Richard 1964-9-25 Siskiyou Along U.S. Highway 97, 11 miles north of Weed 1158 Comment
  CAS-BOT-BC94666  Quercus garryana Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles N of Happy Camp. Comment
  SD76160  Quercus garryana Helen V. Witham 1969-10-7 575 Siskiyou Scott River Valley, 10 miles west of Ft. Jones. 700 Comment
  UC585068  Quercus garryana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1946 Siskiyou about 8 mi s Yreka 822 Comment
  CAS-BOT-BC62760  Quercus garryana var. breweri Doris K. Kildale 1928-8-18 6442 Siskiyou lead of north fork of Salmon River at Finley's upper Camp Comment
  JEPS37953  Quercus garryana var. breweri Geo. D. Butler 1908-8-16 233 Siskiyou e of Yreka Comment
  UC1408908  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou slope above English Lake (about halfway up to Diamond Lake, along the trail from Engish Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  POM106330  Quercus garryana var. garryana Geo. D. Butler 1908-8-16 233 Siskiyou Yreka Hills. Comment
  POM210927  Quercus garryana var. garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mtns, Klamath River. 671 Comment
  RSA476804  Quercus garryana var. garryana E. E. Stanford 1930-6-16 1603 Siskiyou Near Hornbrook. Comment
  RSA96710  Quercus garryana var. garryana Percy C. Everett, E. K. Balls 1954-10-13 20294 Siskiyou Indian Creek road to Obrien, just below summit, 21 m. n.w. from Hwy 96 at Happy Camp. 1555 Comment
  RSA748771  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
  UC63979  Quercus kelloggii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  HSC27623  Quercus sadleriana Carl W. Mize 1972-6-23 99 Siskiyou Along trail from Camp 3 976 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
  RSA281650  Quercus sadleriana S. O. Mattoon 1979-8-3 70 Siskiyou Bolan Lake, 12 air miles ESE of Hwy 199 and Obrien ore and 3 air miles N of Del Norte county, Siskiyou Mountains. 1829 Comment
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Jun 25 2013
  UCSB15541  Quercus sadleriana D. Breedlove 1962-6-10 3289 Siskiyou ALONG INDIAN CREEK RD LITTLE GREYBACK MOUNTAIN (FROM O'BRIEN TO HAPPY CAMP) 1554 Comment
  CAS-BOT-BC104480  Quercus vacciniifolia W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail near Mt. Shasta Comment
  CAS-BOT-BC104621  Quercus vacciniifolia Doris K. Kildale 1928-8-20 6587 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  HSC68452  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1403 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  POM106390  Quercus vacciniifolia Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain. Comment
  UC338543  Quercus vacciniifolia unknown 1888-8-24 Siskiyou near Castle Lake (near Sisson's) Comment
  RSA593942  Quercus vacciniifolia Louis C. Wheeler 1963-9-3 8345 Siskiyou Cyclone Gap chrome mine. Comment
  SEINET12029702  Quercus vacciniifolia Unknown 1983-1 4889 Siskiyou Terrace Lake 1898 Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  UCR93355  Ranunculus alismifolius Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  CAS-BOT-BC379472  Ranunculus alismifolius Dorothy Parker 1946-6-12 136 -A Siskiyou marshy soil along the edges of Middle Boulder Lake 488 Comment
  CAS-BOT-BC380412  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 1225 Siskiyou Bull Meadows 11 mi west of Highway US 97 on road to Montague 1676 Comment
  POM269587  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 s.n. Siskiyou Bull Meadows 11 miles W of Hwy 97 on road to Montague 1677 Comment
  CDA3500  Ranunculus arvensis Don Shaw 1978-6-2 Siskiyou Sam s Neck, southwest of Dorris. 0 Comment
  CHSC86638  Ranunculus californicus Jenny Marr 1993-7-1 21 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  UC922382  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-22 5847 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake 1920 Comment
  CDA24326  Ranunculus glaberrimus Don Shaw 1977-4-2 Siskiyou Sam s Neck, near Dorris. 0 Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC6143  Ranunculus occidentalis var. dissectus Harley Pierce Chandler 1901-6-1 1691 Siskiyou Near Marble Mountain 2286 Comment
  HSC46228  Ranunculus occidentalis var. occidentalis Jennifer Whipple 1978-6-5 2339 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA211168  Ranunculus orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along S Fork of the Salmon River betw the campground and Carter's. 1524 Comment
  UC220629  Raphanus raphanistrum H. E. Brown June 1-10 1897 343 Siskiyou near Sisson 1083 Comment
  RSA136573  Rhamnus californica subsp. occidentalis Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  UC61094  Rhamnus californica subsp. occidentalis Milo S. Baker 1899-7-31 Siskiyou e slope Mt. Shasta (on Ash Creek); , Ash Creek Comment
  POM244253  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 miles N of Mt. Shasta City on the Pacific Hwy 1220 Comment
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Sep 10 2010
  HSC22283  Rhododendron columbianum J. O. Sawyer 1968-7-22 534 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  HSC72719  Rhododendron columbianum D. Parker 1965-7-24 895 Siskiyou Salmon Mtn., edge of Horseshoe lake 1860 Comment
  LA40926  Rhododendron columbianum Martha Hilend; 1931-8-6 799 Siskiyou near Moraine Lake, Ledum Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  SBBG25359  Rhododendron neoglandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of S Russian Crk (tributary of the Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1615 Comment
  SJSU6476  Rhododendron occidentale R. W. Trivelpiece 1972-6-18 122 Siskiyou Douglas Cr near Klamath R c. 10 mi SW of Happy Camp 762 Comment
  CAS-BOT-BC200396  Rhododendron occidentale var. paludosum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mt. Eddy Comment
  POM146272  Rhododendron occidentale var. paludosum J. B. Feudge 1927-7-22 1729 Siskiyou Trail [sisson] to Mt. Eddy. 1524 Comment
  CAS-BOT-BC200744  Rhus aromatica Mrs. H. C. Cantelow 1936-5-20 1463 Siskiyou Cottonwood Creek, near Oregon line Comment
  CAS-BOT-BC92538  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  UC1037214  Ribes cereum Leo Whitney 1934-6-17 1577 Siskiyou Canyon side Mount Shasta 2438 Comment
  CAS-BOT-BC168862  Ribes inerme var. klamathense A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson, first ridge west of Sisson Comment
  RSA0021097  Ribes inerme var. klamathense M. B. Dunkle 1944-7-14 9087 Siskiyou Siskiyou National Forest. 1768 Comment
  CAS-BOT-BC173286  Ribes lacustre W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. along brook toward Spring Comment
  CAS-BOT-BC173291  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC36870  Ribes lobbii J. P. Smith 1974-5-26 7549 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UC375355  Ribes lobbii Geo. D. Butler 1908-8-5 261 Siskiyou camp below Cold Spring; Woolly Creek Comment
  HSC61941  Ribes marshallii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  RSA237677  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UCD102272  Ribes marshallii Roman Gankin; Brewer, Hildreth, and Milam 1965-8-10 605 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California-Oregon state line. Comment
  SEINET13942692 Image available Ribes nevadaense A. A. Heller 2015-1 12244 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC200010  Ribes roezlii var. cruentum Doris K. Kildale 1929-8-25 9097 Siskiyou Wiskey Lake, trail to Preston Peak 1524 Comment
  HSC65648  Ribes roezlii var. cruentum J. P. Smith 1976-5-5 8700 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  HSC33961  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC173906  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  HSC100037  Ribes velutinum J. P. Smith, & J. O. Sawyer 2010-5-6 12823 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  RSA0019713  Ribes velutinum G. D. Barbe 1955-6-28 18 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  RSA0020883  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka. Comment
  CAS-BOT-BC168810  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC93832  Ribes viscosissimum Jennifer Whipple 1976-6-19 1063 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCD102544  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area. 1981 Comment
  HSC46764  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail 1646 Comment
  UC163900  Rigiopappus leptocladus Geo. D. Butler 1910-5-17 1354 Siskiyou near Yreka Comment
  HSC61948  Romanzoffia californica Ruby Van Deventer 10 May [year missing] Siskiyou Poker Flat 1585 Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  JEPS117460  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC147061  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  RSA150573  Rubus laciniatus Lee W. Lenz 1961-6-22 24359 Siskiyou 9 miles from the forks of the Salmon River on road to Somes Bar. 396 Comment
  HSC65268  Rubus lasiococcus R. White 1977-6-4 79 Siskiyou 1/4 mi. from Buck Lake by trail 1250 Comment
  UCD113787  Rubus lasiococcus J. M. Tucker; D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UCR95195  Rubus lasiococcus L. C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains: W fork Clear Creek 1433 Comment
  CAS-BOT-BC147984  Rubus leucodermis Doris K. Kildale 1928-7-1 5328 Siskiyou Forks of Salmon Comment
  HSC99666  Rubus leucodermis C. B. Wolf 1927-8-27 1134 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  HSC34142  Rubus macropetalus J. O. Sawyer 1969-7-26 1590 Siskiyou Along Sugar Creek 1707 Comment
  HSC19403  Rubus parviflorus J. O. Sawyer 1968-6-25 348 Siskiyou Along Horse Range Creek 1646 Comment
  HSC58948  Rubus parviflorus Marvin Butler 1971-7-19 156 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  HSC59595  Rubus ursinus J. P. Smith 1973-5-5 6500 Siskiyou Along Cook and Green Pass Rd. Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  CDA8560  Rudbeckia occidentalis T. C. Fuller 1962-8-3 9508 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  JEPS117466  Rumex conglomeratus Lowell Ahart, John Dittes 2010-7-30 16935 Siskiyou Along the west bank of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS39895  Rumex crispus Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Comment
  CAS-BOT-BC433406  Rumex crispus Wm. Bridge Cooke 1939-6-23 13511 Siskiyou Mount Shasta. At Bear Springs. Comment
  UCD101336  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  CHSC72240  Rumex stenophyllus Vernon H. Oswald 1998-9-16 9647 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  JEPS93961  Rumex stenophyllus Vernon H. Oswald and Lowell Ahart 1998-9-16 9647 Siskiyou 8.7 mi e of Highway 97 (Vista Point on Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Vista Point 1243 Comment
  RSA126337  Sagina decumbens subsp. occidentalis I. L. Wiggins 1955-7-22 13445 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  SD88326  Sagittaria longiloba Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1525 Comment
  UC482249  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City; Mt. Eddy 1500 Comment
  HSC19410  Salix eastwoodiae J. O. Sawyer 1968-7-22 540 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS84289  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  RSA201501  Salix eastwoodiae J. T. Howell 1939-8-7 15125 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA238019  Salix eastwoodiae Frederick W. Oettinger 1969-8-8 1297 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  UC506510  Salix exigua var. hindsiana B. S. and C. S. Ball 1933-9-21 2535 Siskiyou 5 mi s Hornbrook (beside Hwy. 99, on Klamath R.) Comment
  CAS-BOT-BC107784  Salix hindsiana L. B. Kildale 1930-5-31 9792 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC125452  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  CAS-BOT-BC125479  Salix lasiandra var. lasiandra L. E. Smith 1914-4-26 646 Siskiyou Near Dunsmuir Comment
  CAS-BOT-BC419729  Salix lasiandra var. lasiandra Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -083 Siskiyou Upper Parks Creek watershed, 2 miles NE of China Mountain, eastern Klamath Ranges. Along road/trail 41N73A. 2011 Comment
  CAS-BOT-BC107062  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City 1650 Comment
  POM219888  Salix lasiolepis H. P. Bracelin 1931-6-19 409 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC481719  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  UC482338  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house, n base of mt.); Mt. Eddy 1080 Comment
  CAS-BOT-BC107341  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC128348  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 613 Siskiyou Weed Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  UC482243  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 421 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, edge of stream above Metcalf ranch house); Mt. Eddy 1425 Comment
  RSA5731  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  CAS-BOT-BC126158  Salix scouleriana Alice Eastwood 1912-7-17 1178 Siskiyou Sisson Comment
  CAS-BOT-BC126166  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1080 Comment
  CAS-BOT-BC129039  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC22232  Salix scouleriana J. O. Sawyer 1968-9-13 708 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC28683  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou Marble Mtn. Wilderness Area, Dry Lake 1845 Comment
  POM219900  Salix scouleriana H. P. Bracelin 1931-6-20 444 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  POM219901  Salix scouleriana H. P. Bracelin 1931-6-20 446 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  UC481716  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  UC481724  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base Mt. Eddy); n. base Mt. Eddy 1110 Comment
  HSC91169  Salix sitchensis Jennifer Whipple 1976-7-24 1540 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA201500  Salix sitchensis J. T. Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  HSC4515  Salsola tragus D. M. Thomson 1965-8-6 168 Siskiyou Lava Beds National Monument, S of Crescent Butte. Comment
  POM67340  Sambucus caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
Read comments
Jan 23 2011
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  HSC19455  Sanicula graveolens J. O. Sawyer 1969-7-11 1324 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  UC1034053  Sanicula graveolens W. Bridge Cooke 1941-7-18 16083 Siskiyou below Wagon Camp (near the Bear Springs-Wagon Camp Road, Mount Shasta); Mount Shasta 1706 Comment
  RSA237666  Sanicula graveolens Frederick W. Oettinger 1969-7-9 941 Siskiyou NW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC12270  Saponaria officinalis Richard Spjut 1970-7-17 467 Siskiyou Just off Hwy. 89 at the W end of McCloud 1220 Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  HSC77496  Saponaria officinalis L. P. Janeway 1983-7-30 458 Siskiyou Along NE shore of Klamath River, 1 mi. W of Seiad Creek 412 Comment
  UCD98487  Saponaria officinalis Francia Chisaki; Helen Sharsmith 1959-8-20 4740 Siskiyou in Scott Valley, 3 miles before reaching Etna on road from Callahan. 853 Comment
  JEPS13174  Saussurea americana Louis C. Wheeler 1934-8-14 3146 Siskiyou s side White Mt.; Siskiyou Mts., White Mt. 1737 Comment
  JEPS47520  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  JEPS43051  Saxifraga ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Camp at Marble Mountain Valley 1676 Comment
  UC166558  Saxifraga ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  UC722383  Saxifraga ferruginea C. L. Hitchcock, J. S. Martin 1939-7-7 5287 Siskiyou Sanger Peak 1780 Comment
  RSA261468  Saxifraga odontoloma J. M. Tucker 1963-8-19 3778 Siskiyou Headwaters of Canyon Creek. At the E base of Marble Mountain. Marble Mountain Wilderness Area. 1951 Comment
  CDA25443  Saxifraga oregana T. C. Fuller 1966-5-26 14716 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  HSC55711  Saxifragopsis fragarioides G. L. Clifton, Griswold 1979-7-26 10113 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS13970  Saxifragopsis fragarioides W. L. Jepson 1907-7-5 2833 Siskiyou Marble Mt. Comment
  JEPS13971  Saxifragopsis fragarioides C. G. Pringle 1882-9-5 Siskiyou cliffs overhanging Castle Lake Comment
  JEPS47486  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou 3 mi ene Finley's Camp (Highland Mine); Salmon Mts. 1706 Comment
  CAS-BOT-BC283652  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  SEINET10504058  Scirpus acutus Katherine L. Morris 1973-6-2 Morris 347 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  HSC101742  Scleranthus annuus subsp. annuus J. P. Smith, J. O. Sawyer 2010-5-2 12803 Siskiyou Oak Bottom River Access Road 175 Comment
  SEINET8021125  Scutellaria antirrhinoides D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  JEPS94880  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); along Old State Highway on the w side of Bray 1417 Comment
  CAS-BOT-BC214252  Scutellaria nana Elmer I. Applegate 1935-6-6 9365 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CDA2411  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC59185  Sedum lanceolatum Gilbert Muth 1966-7-25 449 Siskiyou Marble Mountain Lookout 2097 Comment
  CAS-BOT-BC63877  Sedum laxum subsp. heckneri Alice Eastwood; Thomas Howell 1937-6-26 5056 Siskiyou 4 miles east of Forks of Salmon, Comment
  JEPS84102  Sedum obtusatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass, eastern slopes); 1/2 air mi from Red Butte, nne of Seiad Valley 1750 Comment
  UC1409245  Sedum obtusatum subsp. boreale Frederick W. Oettinger 1968-9-7 770 Siskiyou nw-facing slope Golden Peak (due se Tobacco Lake and at approx mid slope, Salmon Mountains, High Lake Basins vicinity English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area, Golden Pe 2011 Comment
  HSC81579  Sedum obtusatum subsp. obtusatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6088 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC4764  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-8-19 455 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC90579  Sedum obtusatum subsp. retusum Jennifer Whipple 1976-7-2 1254 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  RSA0083651  Sedum oregonense Clare B. Hardham 1961-7-1 8132 Siskiyou Siskiyou Mts. 1829 Comment
  HSC63301  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-7-30 1069 Siskiyou 1900 Comment
  HSC76884  Sedum stenopetalum K. T. Stillman 1976-6-27 144 Siskiyou Marble Mtn. Wilderness Area 2073 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
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  RSA576448  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-14 3122 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  SBBG19225  Selaginella scopulorum L. L. Kiefer 1963-8-8 827 Siskiyou White Mtn, N of town of Horse Crk, trail from Siskiyou Summit to White Mtn 1524 Comment
  RSA576443  Selaginella wallacei Louis Cutter Wheeler 1935-4-14 3419 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  HSC43057  Selaginella wallacei Ken Stillman 1976-8-24 449 Siskiyou E and N slopes of Williams Point 366 Comment
  HSC68064  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC67813  Senecio aronicoides J. O. Sawyer, J. Cole 1980-7-21 3820 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  SEINET10908347  Senecio aronicoides Katherine L. Morris, David B. Dunn; Melvin L. Conrad 1973-5-25 Morris 273 Siskiyou Collected 32.9 mi. NW of the junction of Hwy. 89 & 299 on Hwy. 89, in a pure stand of ponderosa pine. 14.3 mi. E of McCloud. Comment
  CAS-BOT-BC363943  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11808 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  HSC29122  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1890 Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC53947  Senecio integerrimus var. major Harley P. Chandler Jun 1901 1606 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  UC131776  Senecio triangularis Dr. E. B. Copeland 1903-8-19 3811 Siskiyou Mt. Eddy 1463 Comment
  UC446959  Sericocarpus oregonensis subsp. oregonensis L. F. Henderson 1929-8-23 11465 Siskiyou near, along bluffs of Smith River Siskiyou Divide; Smith River Comment
  HSC72194  Setaria viridis J. P. Smith 1976-9-5 8984 Siskiyou Scott Valley 671 Comment
  RSA105512  Sidalcea hartwegii Douglas Barbe 1955-7-26 271 Siskiyou Along a dry ditch on the northwest slope of Scott Mt 1829 Comment
  RSA183655  Sidalcea malviflora subsp. asprella Gilbert Muth 1965-8-12 212 Siskiyou Marble Valley, Marble Mountains Comment
  JEPS84215  Sidalcea oregana subsp. oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6322 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte, e slopes) 1750 Comment
  HSC92148  Sidalcea oregana subsp. spicata Jennifer Whipple 1977-8-6 2239 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA185856  Sidalcea oregana subsp. spicata H. A. Thomas, J. H. Thomas 1954-7-21 4435 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  CAS-BOT-BC181201  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC52161  Silene campanulata subsp. glandulosa Marvin Butler 1971-7-12 105 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1464 Comment
  SJSU2569  Silene campanulata subsp. glandulosa H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  RSA120891  Silene campanulata subsp. greenei Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  CAS-BOT-BC387059  Silene douglasii W. B. Cooke; V. G. Cooke 1965-7-12 35180 Siskiyou Bolam road, Mt Shasta 1524 Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  JEPS26588  Silene grayi Peter Kamb 1949-8-25 1492 Siskiyou above Horse Camp; sw slope of Mt. Shasta above Horse Camp 2895 Comment
  CAS-BOT-BC389531  Silene menziesii John Thomas Howell 1937-7-22 13325 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA275295  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Rock along clear Creek Trail below Ten miles Creek 457 Comment
  CAS-BOT-BC75155  Sisymbrium altissimum Doris K. Kildale 1928-7-25 5864 Siskiyou Klamath River. Clyborne's Ranch - between Gottville and Brown's Resort. Comment
  HSC67458  Sisyrinchium bellum J. P. Smith, Steve Selva 1970-7-27 4517 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS107648  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-6-10 12102 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC69082  Sium suave Maralyn A. Renner 1980-8-4 2219 Siskiyou Flint Valley 1390 Comment
  JEPS62128  Smilacina racemosa Geo. D. Butler 1908-8-24 94 Siskiyou Eldredge Corral Russian Creek 1219 Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  CHSC72241  Solanum dulcamara Vernon H. Oswald; Lowell Ahart 1998-9-16 9637 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  HSC100790  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the S edge of the Shasta River, ~100 yd. E of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, 5.7 (air) mi. SE of Grenada. 717 Comment
  CDA8723  Solidago canadensis subsp. elongata Gordon Leppig 1998-8-14 1014 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  RSA237482  Solidago canadensis subsp. elongata Frederick W. Oettinger 1967-8-20 307 Siskiyou Northwest of Pine Lake, Salmon Mountains; Marble Mountain Wilderness Area. 1878 Comment
  CAS-BOT-BC365552  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  JEPS32418  Solidago elongata Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  UC830204  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC339857  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  RSA15789  Solidago velutina subsp. californica C. B. Wolf 1927-8-26 1015 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC374522  Sonchus asper R. E. Frenkel 1964-7-13 675 Siskiyou Near Mount Shasta on Everitt Memorial Highway 1280 Comment
  CAS-BOT-BC157324  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  HSC90601  Sorbus californica Jennifer Whipple 1976-7-9 1390 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC30220  Spergularia rubra William J. Ferlatte 1968-6-8 1126 Siskiyou Mountain Meadow Ranch. 1524 Comment
  RSA0097341  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  UC1190113  Spiraea densiflora Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC149677  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  HSC81747  Spiraea splendens var. splendens Thomas W. Nelson, Jane P. Nelson 1980-7-20 6187 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS63047  Stachys ajugoides var. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Butler's Ranch Yreka Comment
  JEPS63083  Stachys ajugoides var. rigida W. L. Jepson 1894-7 21232 Siskiyou Sisson Comment
  UC164138  Stachys ajugoides var. rigida Geo. D. Butler 1909-6-29 174 Siskiyou near Yreka Comment
  POM69090  Stachys rigida subsp. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Yreka Creek. Comment
  RSA238549  Stachys rigida subsp. rivularis Frederick W. Oettinger 1969-8-19 1461 Siskiyou Salmon Mountains, High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness area. 1860 Comment
  UCR47858  Stachys stricta 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-BC175330  Stellaria borealis subsp. sitchana Volney Rattan 1879-1-1 s.n. Siskiyou Klamath River Comment
  UC642528  Stellaria calycantha unknown 1939-7-7 13624 Siskiyou Wagon Camp; Mount Shasta Comment
  HSC719  Stellaria crispa William J. Ferlatte 1967-8-20 1058 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC375643  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 a Siskiyou Sisson Comment
  CAS-BOT-BC375647  Stephanomeria lactucina L. S. Smith 1913-7-27 494 Siskiyou McCloud Comment
  HSC6228  Stephanomeria tenuifolia R. C. Wunner 1965-8-27 485 Siskiyou California Lava Beds National Monument; Devil's Homestead where the road passes through lava flow 1280 Comment
  CAS-BOT-BC375942  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Creek 1036 Comment
  HSC18976  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-20 1568 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  CAS-BOT-BC61127  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mount Eddy, west of Sisson. 2133 Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  UC137022  Streptanthus barbatus J. W. Congdon 1900-8-10 Siskiyou near Sisson 1082 Comment
  HSC86541  Streptanthus tortuosus D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 1982 Comment
  JEPS80511  Streptopus amplexifolius var. americanus Gilbert Muth 1966-7-24 443 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UCD78031  Streptopus amplexifolius var. americanus Robert E. Preston 2001-8-26 1755 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1767 Comment
  UC163669  Suaeda calceoliformis Geo. D. Butler 1910-8-21 1845 Siskiyou Shasta Valley Comment
  HSC69039  Swertia albicaulis Maralyn A. Renner 1980-8-7 2360 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  JEPS44096  Swertia albicaulis var. albicaulis W. B. and V. G. Cooke 1965-7-12 35174 Siskiyou Bolam Road Mt. Shasta Comment
  HSC62304  Swertia albicaulis var. nitida Ruby Van Deventer 1955-8-5 Siskiyou Trout Camp Comment
  CAS-BOT-BC269611  Symphoricarpos albus var. laevigatus William A. Dayton 1913-9-14 586 Siskiyou Shasta National Forest. E. Fk of Scott River Range along Rail Creek 1341 Comment
  CAS-BOT-BC234780  Symphoricarpos mollis John Thomas Howell 1939-8-2 14925 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234792  Symphoricarpos mollis Wm. Bridge Cooke 1941-9-5 16272 Siskiyou Around the MacBride Springs area, Mt. Shasta Comment
  CAS-BOT-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC245769  Symphoricarpos rotundifolius Elmer I. Applegate 1935-6-10 9482 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  UC223707  Symphyotrichum bracteolatum Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Creek 1737 Comment
  JEPS40813  Symphyotrichum bracteolatum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson, old stage road n in meadow Region of the Upper Sacramento Comment
  CAS-BOT-BC97888  Symphyotrichum eatonii Alice Eastwood 1912-7-22 1305 Siskiyou Sisson Comment
  RSA238709  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC97946  Symphyotrichum frondosum Louis C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek, Siskiyou Mts. 1219 Comment
  CAS-BOT-BC98925  Symphyotrichum spathulatum var. intermedium Wm. F. Herrin 1920-8-25 s.n. Siskiyou Road to Mt. Eddy Comment
  OBI55482  Symphyotrichum spathulatum var. yosemitanum David J. Keil 1992-7-21 23525 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 0.5 mi W of Scott Mtn Rd (hwy 3) Comment
  HSC6261  Taraxacum officinale D. M. Thomson 1965-6-19 96 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CAS-BOT-BC81339  Taxus brevifolia J. G. Lemmon & Wife s.n. Siskiyou Near Mt. Shasta Comment
  RSA384696  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC81340  Taxus brevifolia W. R. Dudley 1899-8-1 s.n. Siskiyou From Upper Sacramento River below Rainbow and S.W. of Sisson's Comment
  UC1083162  Thelypodium brachycarpum H. L. Mason 1931-5-9 5874 Siskiyou 4 mi n Dunsmuir Comment
  CAS-BOT-BC65025  Thelypodium laciniatum Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mount Shasta, south of Hwy 97. Quadrangle 764 Juniper Flat. 1100 Comment
  CAS-BOT-BC88115  Thelypodium laciniatum L. E. Smith 1914-4-25 643 Siskiyou Yreka. 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
  CDA25267  Thysanocarpus curvipes F. D. Horn 1978-4-9 Siskiyou Horn Ranch near Etna. 0 Comment
  POM354792  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  UC1950210  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou where several forks join before steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  UC164324  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  UC887572  Tonella tenella Louis C. Wheeler 1935-5-5 3460 Siskiyou Greenhorn Creek; Siskiyou Mts. 853 Comment
  POM216004  Tonella tenella Louis C. Wheeler 1935-5-5 3460 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CHSC2326  Toxicoscordion venenosum var. venenosum 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  RSA474741  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between CA State line and the Agricultural Inspection Station. Comment
  RSA82893  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou On outskirts of the town of Mt. Shasta. Comment
  HSC19117  Triantha occidentalis subsp. brevistyla J. O. Sawyer 1969-8-1 1612 Siskiyou Behind Horseshoe Lake 1921 Comment
  CHSC2314  Triantha occidentalis subsp. occidentalis V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  CAS-BOT-BC519559  Triantha occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 375 Siskiyou Mt. Eddy 2438 Comment
  HSC38753  Triantha occidentalis subsp. occidentalis A. M. Montalvo, J. D. Ackerman 1975-7-18 579 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River Comment
  HSC96432  Triantha occidentalis subsp. occidentalis Tony LaBanca, Leonel Arguello, Gordon Leppig 1997-6-27 487 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA390085  Tribulus terrestris Louis C. Wheeler 1934-9-22 3291 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  RSA349491  Trifolium dichotomum N. G. Sugihara 1977-5-28 76 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  UCD107924  Trifolium eriocephalum subsp. eriocephalum Ed. Hale 1984-5-8 s.n. Siskiyou East end of Deer Meadow Road, approximately 1 mile W of R. Diaz property on Shamrock Road, South of Yreka. Comment
  HSC60773  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69188  Trifolium longipes Maralyn A. Renner 1980-8-31 2630 Siskiyou Twin Valley. 1494 Comment
  HSC75351  Trifolium longipes J. O. Sawyer, M. Mesler 1980-8-10 4033 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  UC866842  Trifolium longipes var. hansenii A. A. Heller 1916-6-20 12402 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC36936  Trifolium macrocephalum J. P. Smith 1974-5-27 7602 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC338051  Trifolium obtusiflorum Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UC163858  Trifolium pratense Geo. D. Butler 1908-6-23 1035 Siskiyou near Yreka (fields) Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  JEPS66081  Trifolium wormskioldii W. L. Jepson July 1894 13650 Siskiyou Sisson Comment
  SBBG25900  Trifolium wormskioldii D. Myrick 1966-8-13 1549 Siskiyou Big Flat Cmpgrd, Mountain Meadow Ranch, Big Flat Comment
  UC1409228  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou near English Lake (Wiregrass meadow); Salmon Mtns 1706 Comment
  SEINET10577454  Trifolium wormskioldii var. wormskioldii Wiegand 1921-8-23 WIEGAND 1389 Siskiyou Marshy subalkaline soil, south of Montague. Comment
  HSC2246  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott River Comment
  JEPS96993  Trillium ovatum subsp. oettingeri Dean W. Taylor 1999-6-10 17251 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1493 Comment
  SEINET10840406  Triodanis perfoliata Rattan RATTAN 1879 Siskiyou KLAMATH Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  CHSC102549  Trisetum spicatum L. P. Janeway 2009-8-4 9902 Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  HSC18979  Trisetum spicatum J. O. Sawyer 1969-7-2 1004 Siskiyou E of Twin Lakes 2195 Comment
  HSC4777  Trisetum spicatum William J. Ferlatte 1966-8-5 329 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC133482  Triteleia crocea L. B. Kildale 1930-6-1 9831 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC133490  Triteleia crocea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CHSC2072  Triteleia crocea V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  HSC43268  Triteleia crocea K. Irwin 1977-5-22 395 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  HSC46197  Triteleia crocea Jennifer Whipple 1976-5-2 902 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC68487  Triteleia crocea Maralyn A. Renner 1980-6-9 841 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC68552  Triteleia crocea Maralyn A. Renner 1980-6-8 802 Siskiyou Slopes E of Hwy. 3 1341 Comment
  UC454064  Triteleia crocea var. modesta I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  RSA114961  Triteleia hendersonii E. K. Balls, Lee W. Lenz 1956-6-18 21717 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
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May 2 2015
  UC61171  Triteleia hyacinthina W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC522334  Triteleia hyacinthina Alice Eastwood 1921-7-24 10795 Siskiyou Castle Lake Comment
  CDA15525  Triteleia laxa G. F. Hrusa 1998-7-5 14693 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  POM207277  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2223 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  POM117669  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek. Comment
  UC166120  Vaccaria hispanica Geo. D. Butler 1908-6-20 1060 Siskiyou near Yreka Comment
  CAS-BOT-BC228833  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1932 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1809 Comment
  CHSC88625  Vaccinium cespitosum Gail A. Newton; Steven Harris 1981-7-18 2254 Siskiyou Klamath National Forest. Near the Dillon Divide. 1609 Comment
  HSC19103  Vaccinium cespitosum J. O. Sawyer 1969-7-9 1231 Siskiyou S of South Sugar Lake 1951 Comment
  HSC19109  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1813 Siskiyou Above Sugar Lake 2134 Comment
  HSC19469  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1658 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC917231  Vaccinium cespitosum R. Tofsrud and J. M. Tucker 1948-8-2 1766 Siskiyou s slope Mt. Shasta; , Panther Meadows 2407 Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  HSC19351  Vaccinium membranaceum J. O. Sawyer 1968-6-25 303 Siskiyou NE of N Horse Range Lake 2012 Comment
  UC562352  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  HSC31490  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou W end of Little Duck Lake Comment
  POM259604  Valeriana sitchensis subsp. sitchensis J. T. Howell 1939-8-3 15017 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC529106  Veratrum californicum Doris K. Kildale 1928-8-19 6501 Siskiyou English Lake, head of north Fork of Salmon River 1828 Comment
  UC1187637  Veratrum insolitum Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-21 3692 Siskiyou Callahan Road 13 mi e Cecilville; Salmon Mountains 1371 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
  SBBG30536  Veronica anagallis-aquatica D. Myrick 1968-6-26 2029 Siskiyou in upper waters of Coffee Crk; Trinity Alps 1463 Comment
  RSA238779  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1969-8-24 1535 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA238794  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1969-8-19 1463 Siskiyou Between Abott's Lake and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  SBBG15608  Vicia americana subsp. americana D. Myrick 1961-6-20 282 Siskiyou meadow at Bear Springs, S slope of Mt Shasta 1676 Comment
  JEPS66167  Vicia americana var. americana George D. Butler 1909-4-24 604 Siskiyou Greenhorn Mt. Comment
  UC375420  Vicia americana var. americana Geo. D. Butler 1908-8-3 402 Siskiyou Log Lake; Shackleford Creek