Search Results — 2000 specimen records retrieved (1388 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
  HSC31519  Abies X shastensis Steve Selva, Roger Jensen 1974-8-26 57 Siskiyou E side of Little Duck Lake Comment
  HSC44740  Abies X shastensis Maralyn O'Meara 1974-5-25 397 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC92677  Abies X shastensis Jennifer Whipple 1978-10-6 2415 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC1409512  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou s end of Diamond Lake Salmon Mts., Diamond Lake (w Siskiyou County) 2072 Comment
  CAS-BOT-BC73484  Abies magnifica W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC78104  Abies magnifica John Thomas Howell 1937-7-26 13530 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SEINET3559843 Image available Abies magnifica James Montgomery 1969-7-24 80918 a Siskiyou Mount Shasta, Mount Shasta National Forest. 1981 Comment
  SBBG330  Abies magnifica var. shastensis J. F. Davidson, J. M. Tucker 1947-5-17 1563 Siskiyou N side of Scott Mtn, ca. 200 feet below summit 2011 Comment
  SD76204  Abies magnifica var. shastensis Helen V. Witham 1969-10-9 640 Siskiyou Mount Shasta, in area signed Red Fir Forest 2100 Comment
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Jul 10 2010
  HSC61841  Acer glabrum var. torreyi Al Hobart 1969-7-7 Siskiyou Poker Flat 1646 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
  CAS-BOT-BC376180  Acer negundo Andrew Townesmith; Karen M. Meyer 2007-8-3 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC18873  Achillea millefolium Elmer I. Applegate 1923-8-20 3909 Siskiyou Medicine Lake Comment
  UC1483522  Achillea millefolium Maralyn A. Renner 1980-6-9 856 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  CAS-BOT-BC18868  Achillea millefolium William Bridge Cooke 1940-7-5 15252 Siskiyou Mount Shasta, Wagon Camp Meadow 1737 Comment
  CAS-BOT-BC30444  Achillea millefolium D. M. Traugh 1933-5-25 62 Siskiyou Klamath N.F. 609 Comment
  CAS-BOT-BC400004  Achlys triphylla A. M. Vollmer; L. Beane 1951-6-2 87 Siskiyou Happy Camp, Klamath River Highway Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  CAS-BOT-BC210865  Achnatherum occidentale subsp. californicum Alice Eastwood 1923-5-27 11961 Siskiyou Shasta Springs Comment
  CAS-BOT-BC210866  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-6 15095 Siskiyou Elk Mt., Marble Mts. Comment
  RSA238982  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-13 1352 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1037164  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3475 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UC822000  Achnatherum occidentale subsp. occidentale A. A. Heller 1916-6-22 12427 Siskiyou near Black Butte (n of Sisson) 1097 Comment
  JEPS107345  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12027 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
  RSA715779  Achyrachaena mollis L. Ahart, John Dittes 2005-6-10 12113 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
  UC136276  Aconitum columbianum E. B. Copeland 1903-8-13 3896 Siskiyou Sisson (Mt. Shasta City); ; Sisson (Mt. Shasta City), Siskiyou Co. Comment
  CDA24172  Aconitum columbianum F. D. Horn 1979-7-22 Siskiyou Duck Lake Creek, near Etna. 0 Comment
  CAS-BOT-BC391533  Aconitum columbianum subsp. columbianum A. A. Heller 1927-8-1 14433 Siskiyou At the State Teachers College, near Shasta City (Sisson) 1074 Comment
  RSA113745  Aconitum columbianum var. columbianum Beecher Crampton 1956-8-21 3801 Siskiyou Above Gumboot Lake, headwater of the S fork of Sacramento River. 1921 Comment
  CAS-BOT-BC413844  Aconogonon davisiae Alice Eastwood 1921-7-29 10957 Siskiyou Little Mt. Hoffman Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC418810  Aconogonon phytolaccifolium H. R. Saxton 1922-7-15 5 Siskiyou Klamath National Forest. Head of Cow Creek 1828 Comment
  CAS-BOT-BC418814  Aconogonon phytolaccifolium L. S. Smith 1913-7-27 507 Siskiyou McCloud Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  HSC22443  Adenocaulon bicolor J. O. Sawyer 1969-6-12 917 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  RSA240054  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  CAS-BOT-BC69000  Adiantum aleuticum Gordon H. True; John Thomas Howell 1972-6-8 48860 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CDA37711  Aegilops cylindrica R. Breckenridge/K. Filippini 2007-6-13 s.n. Siskiyou Montague. 0 Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  RSA264983  Agastache urticifolia Gilbert Muth 1975-7-29 5836 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  HSC23616  Ageratina occidentalis J. O. Sawyer 1969-8-1 1663 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1409448  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1950 Comment
  UC61070  Ageratina occidentalis W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou 18th crossing Sisson; Mount Shasta Comment
  CAS-BOT-BC29456  Ageratina occidentalis Doris K. Kildale 1928-8-18 6414 Siskiyou North Fork Salmon River at Trinity Camp Comment
  HSC19166  Ageratina occidentalis J. O. Sawyer 1969-8-2 1663 Siskiyou SE facing slope above Little Duck Lake 1951 Comment
  POM210974  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek (Mt. Diablo Mer.) 1982 Comment
  RSA183723  Ageratina occidentalis Gilbert Muth 1965-8-4 167 Siskiyou Near the Marble, Marble Valley; Marble Mts. Comment
  CHSC254  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  RSA416433  Agoseris grandiflora M. B. Dunkle 1944-7-7 s.n. Siskiyou Deer Creek. 1768 Comment
  SFV5158  Agoseris grandiflora B. C. Templeton 1960-6-21 8525 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC15386  Agoseris grandiflora var. grandiflora A. A. Heller 1916-7-20 12555 Siskiyou Metcalf's Ranch, NE base of Mt. Eddy 1188 Comment
  JEPS36274  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-28 304 Siskiyou Marlahan Ranch Oro Fino Comment
  UC163883  Agoseris grandiflora var. grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Yreka Comment
  UC891262  Agoseris grandiflora var. grandiflora A. A. Heller 1916-8-12 12555 Siskiyou n Sisson 1127 Comment
  CAS-BOT-BC13471  Agoseris retrorsa L. E. Smith 1913-5-27 287 Siskiyou Weed Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SJSU11317  Agrostis capillaris S. H. Casey 1981-7-4 1210 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  HSC76679  Agrostis exarata K. T. Stillman 1976-7-30 329 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC203952  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek Comment
  UCD52369  Agrostis exarata A. H. Murphy 1956-8-16 56 CC Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC139569  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  HSC777  Agrostis gigantea William J. Ferlatte 1967-8-17 952 Siskiyou Yellow Rose Mine 1982 Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  RSA115695  Agrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  JEPS84195  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  CAS-BOT-BC138939  Agrostis pallens Geo. D. Butler 1910-7-12 1748 Siskiyou Shackerford Creek. 1219 Comment
  SEINET4343713 Image available Agrostis pallens Unknown 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2073 Comment
  UC1108539  Agrostis scabra Ira L. Wiggins 1955-7-22 13448 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  RSA186327  Agrostis variabilis Gilbert Muth 1966-10-16 18 Siskiyou Marble Mountain. 1793 Comment
  CHSC2046  Alisma triviale V. Holt 1939-7-8 Siskiyou Abram's Lake near Mt. Shasta City. 914 Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  UC722290  Allium bolanderi C. L. Hitchcock, J. S. Martin 1939-7-9 5309 Siskiyou 1 mi above Bucher's Ranch (ca. 3 mi w of Turner's Camp) 1219 Comment
  UC357193  Allium bolanderi var. bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou near Oro Fino Comment
  UC164160  Allium falcifolium Geo. D. Butler 1908-8-6 110 Siskiyou along trail on summit n West Fork of Woolly Creek Comment
  CHSC31011  Allium siskiyouense M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge, ca. 5 mi due e of Lake McCloud. 1889 Comment
  HSC68531  Allium siskiyouense Maralyn A. Renner 1980-6-24 1060 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  CAS-BOT-BC171397  Alnus incana subsp. tenuifolia Geo. B. Grant 1902-9-6 s.n. Siskiyou Sisson Comment
  UCD109994  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC169651  Alnus rhombifolia Wm. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to the Box Canyon of the Sacramento near Mt. Shasta 914 Comment
  CHSC38086  Alyssum alyssoides R. E. Preston; L. E. Preston 1983-6-9 391 Siskiyou Grass Lake Rest Area. 1542 Comment
  CDA376  Alyssum alyssoides G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2588 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CHSC27776  Alyssum desertorum William F. Frank 1978-4-1 1 Siskiyou Foothills facing lake. Ca. 3 miles in to end of public access road at s Lake Shastina. 914 Comment
  HSC2906  Amaranthus blitoides D. M. Thomson 1965-7-31 158 Siskiyou Lava Beds National Monument, Telephone Line Rd., 0.5 mi. S of dump. Comment
  JEPS54309  Amaranthus hybridus Geo. D. Butler 1908-7-13 543 Siskiyou near Yreka ( garden on Butler's ranch) Comment
  UCD35448  Amelanchier alnifolia Beecher Crampton 1956-8-22 3870 Siskiyou 3-4 miles east of Mt. Shasta City, Mt. Shasta Pine logging road. 1584 Comment
  UC909378  Amelanchier alnifolia var. pumila Ira L. Wiggins 1950-5-28 12366 Siskiyou ca 1.5 mi e Scott Mt. road (margins of Carmen Lake); Carmen Lake 1737 Comment
  HSC41460  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1973-5-5 6554 Siskiyou Scott Bar along the Scott River Comment
  HSC36643  Amelanchier pallida A. M. Montalvo, J. D. Ackerman 1975-7-18 578 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River 1829 Comment
  HSC4958  Amelanchier pallida J. O. Sawyer 1968-7-23 593 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS126016  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -317 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  JEPS126019  Amelanchier pallida E. T. Doucette 2013-5-20 13 -132 Siskiyou Greenhorn Road, Yreka, 8.7 miles from business district. Comment
  HSC29228  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  JEPS20406  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek Siskiyou Mountains, Greenhorn Creek 944 Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  UC1299406  Anemone deltoidea Freed W. Hoffman 1948-7-9 2570 Siskiyou 6.5 mi n West Branch Public Camp (Happy Camp-Waldo Rd) Comment
  HSC45193  Anemone drummondii J. O. Sawyer, E. Cope 1977-6-21 2986 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  JEPS84230  Anemone drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6424 Siskiyou ca. 5 mi. n. town of Seiad Valley (e. slope of Kangaroo Mt., cirque at head of Hell's Canyon); Kangaroo Mt., head of Hell's Canyon 1828 Comment
  CAS-BOT-BC210241  Anemone multifida var. multifida Dana York 2011-8-12 3044 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC391969  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  HSC61188  Anemone occidentalis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC985973  Angelica arguta T. S. Brandegee July 1887 Siskiyou Mount Shasta Comment
  SBBG25866  Angelica breweri D. Myrick 1966-8-8 1499 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC2016517  Anisocarpus madioides Richard Olmstead 1983-7-12 470 Siskiyou Along the Little North Fork of Salmon River ca. 1 mile from trailhead on Little North Fork trail on ridge to the west of the creek. Comment
  CAS-BOT-BC59278  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Klamath Forest, Soda Creek 1767 Comment
  CHSC30243  Antennaria geyeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 Siskiyou Little Mt. Hoffman, W side, between road and lookout. 2225 Comment
  UC88215  Antennaria geyeri unknown Jul 1887 Siskiyou Ager Comment
  RSA93675  Antennaria geyeri F. W. Peirson 1923-7-20 3893 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  JEPS13217  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  RSA238725  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Between Charmaine Lake and Abbot's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  POM39276  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek. Comment
  HSC4643  Antennaria rosea subsp. rosea R. C. Wunner 1965-7-9 361 Siskiyou California Lava Beds National Monument; junction of main road and Crescent Butte Cinder Pit 1479 Comment
  CAS-BOT-BC102272  Anthemis cotula H. E. Brown 1897-6-15 s.n. Siskiyou North side Mt. Shasta 3048 Comment
  CHSC26179  Apocynum androsaemifolium J. P. Kroessig 1977-8-6 62 Siskiyou Ca. 3 km sw of Mt. Shasta City. 1000 Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  UC853775  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou near Wagon Creek Falls e side of Mt. Eddy Comment
  CAS-BOT-BC395149  Aquilegia formosa G. B. Grant 1902-9-15 22500 Siskiyou Shasta Springs, N Cal Comment
  RSA10343  Aquilegia formosa var. truncata H. A. Barker 1926-05 574 Siskiyou [Unspecified] Comment
  POM95067A  Arabis breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  HSC22441  Arabis divaricarpa J. O. Sawyer 1969-7-9 1257 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC30480  Arabis glabra Frederick W. Oettinger, R. F. Thorne 1969-8-9 1309 Siskiyou Abbott's Upper Cabin, Salmon Mtns. 1524 Comment
  HSC61149  Arabis holboellii var. retrofracta Al Hobart 1968-6-13 Siskiyou El Capitan Comment
  SEINET3899885  Arabis holboellii var. retrofracta C. Leo Hitchcock, J. P. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mt.; 0 1829 Comment
  HSC92694  Arabis modesta D. L. Goforth 1980-4-26 499 Siskiyou Klamath River at McKinney Creek 537 Comment
  HSC90570  Arabis puberula Jennifer Whipple 1976-6-11 961 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 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
  HSC29178  Arabis rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou Marble Mtn. Wilderness Area, W face of Peak E of Hancock Lake 1982 Comment
  HSC46215  Arabis subpinnatifida Jennifer Whipple 1976-5-2 909 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC1585411  Arbutus menziesii R. Raiche, K. Zadnik, and H. Forbes 1989-3-10 UCBG 37 Siskiyou 17 km e of Happy Camp (on Hwy 96, Seiad VAlley area); Seiad VAlley area Comment
  SEINET1916096  Arceuthobium californicum R. L. Mathiasen 2005-1 2005 -36 Siskiyou 15.4 km NW of St. Rte. 96 on forest rd. 15 1100 Comment
  SEINET3831773  Arceuthobium cyanocarpum R. L. Mathiasen 2012-1 1280 Siskiyou 2 km N of Park Creek Divide on FR. 17; On pinus monticola DOugl. ex D. Don 1990 Comment
  CAS-BOT-BC410078  Arceuthobium douglasii Louis C. Wheeler 1934-6-25 2783 Siskiyou West Fork of Cottonwood Creek, Siskiyou Mountains 1371 Comment
  CDA6782  Arctium minus Bill Huse 1958-9-6 1214 -58 Siskiyou Meiss Ranch, Macdoel. 0 Comment
  CAS-BOT-BC102221  Arctium minus Alice Eastwood 1912-7-21 1293 Siskiyou Sisson Comment
  HSC4921  Arctostaphylos nevadensis J. O. Sawyer 1968-9-9 660 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS83893  Arctostaphylos nevadensis Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  CAS-BOT-BC46469  Arctostaphylos patula Alice Eastwood 1917-9-2 6683 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46487  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 944 Comment
  CAS-BOT-BC46494  Arctostaphylos patula John Thomas Howell 1937-7-23 13370 Siskiyou South Fork of the Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC46512  Arctostaphylos patula N. Hollister 91 Siskiyou Prestons Peak. 1524 Comment
  HSC4925  Arctostaphylos patula J. O. Sawyer 1968-6-18 221 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC68535  Arctostaphylos patula Maralyn A. Renner 1980-6-24 1076 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  UC646815  Arctostaphylos patula Reed C. Rollins and T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi s Weed 914 Comment
  CHSC117378  Arctostaphylos patula subsp. patula Richard R. Halse 2015-3-21 9325 Siskiyou Weed; southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  UC1971401  Arctostaphylos viscida subsp. viscida Louis C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara 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
  RSA714934  Arnica amplexicaulis M. E. Fishbein, Lane Greer 2006-8-3 5877 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake 2000 Comment
  CAS-BOT-BC82369  Arnica cordifolia Geo. D. Butler 1910-4-21 1216 Siskiyou Oro Fino Comment
  CDA10118  Arnica cordifolia T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC22148  Arnica cordifolia J. O. Sawyer 1969-6-12 941 Siskiyou On trail to Duck Lakes 1890 Comment
  CAS-BOT-BC82550  Arnica discoidea Alice Eastwood 1912-7-23 1338 Siskiyou Cantara Comment
  CAS-BOT-BC82558  Arnica discoidea Clarence R. Quick 1958-6-17 58 -19 Siskiyou near Black Bear Summit south of [Sawyer's] Sawyers Bar on ridge road to Cecilville 1356 Comment
  HSC27645  Arnica discoidea Carl W. Mize 1972-6-21 71 Siskiyou Just past first creek on trail 351 Comment
  CHSC95131  Arnica latifolia L. P. Janeway 2006-7-2 8749 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  UC468980  Arnica latifolia Annie M. Alexander and Louise Kellogg 1911-6-24 183 Siskiyou Jackson L. 1798 Comment
  CAS-BOT-BC82773  Arnica mollis W. B. Cooke; V. G. Cooke 1946-8-29 17629 Siskiyou along Squaw Creek, Mt. Shasta 2286 Comment
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  RSA142694  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC90079  Arnica ovata John Thomas Howell 1939-8-8 15179 Siskiyou Black Mt., Marble Mts. Comment
  CHSC65616  Arnica viscosa Maria Ulloa-Cruz 1994-8-3 51 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. 2000 Comment
  CAS-BOT-BC90085  Arnica viscosa Morton D'Evelyn 1931-8-12 s.n. Siskiyou Near Wagon Camp, Mt. Shasta 1524 Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  UC630406  Artemisia norvegica subsp. saxatilis Annetta Quarter 1939-8-21 1470 Siskiyou steep slope above se end Taylor Lake ( 12 mi sw of Etna); Salmon Mountains 2194 Comment
  CAS-BOT-BC400588  Asarum caudatum Alice Eastwood 1923-5-18 11853 Siskiyou Shasta Springs Comment
  UCD137842  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area. 1524 Comment
  RSA239010  Asarum hartwegii Frederick W. Oettinger 1966-7-25 38 Siskiyou Vicinity of Timber Gulch, Klamath National Forest; Cecilville 671 Comment
  RSA76058  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mtn. 1220 Comment
  UC61044  Asclepias speciosa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  HSC69706  Aspidotis densa Maralyn A. Renner 1980-6-26 1260 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC593452  Aspidotis densa E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1986 Siskiyou ca. 1 1/2 mi w Mt Shasta City (spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  CAS-BOT-BC69555  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  UC1034654  Aspidotis densa Douglas Barbe 1955-7-26 260 Siskiyou nw slope Scott Mt; Klamath Mts 1828 Comment
  RSA238790  Aster alpigenus Frederick W. Oettinger 1969-8-4 1180 Siskiyou In wet, boggy meadow N of Tobacco lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA0000901  Aster copelandii E. B. Copeland 1903-9-7 3687 Siskiyou Mt. Eddy. 2744 Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  CDA6797  Aster novae-angliae T. C. Fuller 1966-10-6 15244 Siskiyou Etna, Scott Valley. 0 Comment
  POM58124  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  UC163741  Astragalus accidens var. hendersonii Mrs. C. Quigley 1909-5-8 706 Siskiyou near Yreka (Klamath River); near Yreka, Klamath River Comment
  CAS-BOT-BC178813  Astragalus californicus L. E. Smith 1914-5-14 697 Siskiyou Yreka Comment
  CAS-BOT-BC194435  Astragalus obscurus Alice Eastwood; John Thomas Howell 1934-4-20 1786 Siskiyou 4 miles n. of Weed Comment
  UCD105213  Astragalus purshii Wm. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) Comment
  CHSC81502  Astragalus whitneyi var. confusus Ann Willyard 2000-6-21 744 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
  RSA105491  Astragalus whitneyi var. siskiyouensis G. D. Barbe 1955-7-26 272 Siskiyou On northwest slope of Scott Mtn. near a dry ditch. 1829 Comment
  RSA396130  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak. 1982 Comment
  HSC62626  Asyneuma prenanthoides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  CAS-BOT-BC69571  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. More common near Horse Camp. 2590 Comment
  RSA237522  Athyrium americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  UC42238  Athyrium filix-femina var. cyclosorum Marshall A. Howe 1894-7-25 Siskiyou Sisson Comment
  UC375286  Athysanus pusillus Geo. D. Butler 1909-3-14 556 Siskiyou near Yreka Comment
  HSC27768  Atriplex rosea J. P. Smith, J. O. Sawyer 1972-9-14 5796 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC42912  Balsamorhiza deltoidea J. O. Sawyer, Ken Stillman 1976-7-2 2822 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  POM350744  Balsamorhiza terebinthacea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy 3 on moist south-facing bank of road to Little Duck Lake and Sugar Lake. Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  RSA237403  Barbarea orthoceras Frederick W. Oettinger 1968-8-23 620 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SD73172  Bassia hyssopifolia Darley F. Howe 1969-8-31 Siskiyou 4.5 miles south of Dorris on highway 97. 1220 Comment
  HSC65539  Berberis nervosa R. White 1977-6-4 74 Siskiyou E shore of Buck Lake 1293 Comment
  HSC69417  Berberis nervosa John Palmer 1980-8-12 731 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC1190258  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou 2 mi above Mt View Ranch (Rush Creek Trail) 1097 Comment
  CAS-BOT-BC75931  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC169402  Betula occidentalis William Adams Dayton 1913-9-14 17519 Siskiyou E Fork of Scott River Range, along Rail Creek. Shasta Forest 1249 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
  JEPS95283  Betula occidentalis Vernon H. Oswald and L. Ahart 1994-8-1 6443 Siskiyou T41N R6W NW1/4 Sec. 22, 5600 ft, Yellow Pine Forest. Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed 1706 Comment
  UC1045287  Betula occidentalis W. Bridge Cooke 1940-7-12 15328 Siskiyou swamp near Mt. Shasta High School Comment
  CAS-BOT-BC127938  Blepharipappus scaber Brandegee s.n. Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  CAS-BOT-BC127975  Blepharipappus scaber David D. Keck 1949-7-19 6356 Siskiyou 6.5 mi. SW of Yreka on Road to Ft. Jones, nr. head of Yreka Creek at first spring Serpentine outcropping here. 1127 Comment
  RSA0125481  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  SEINET5340096  Boechera breweri subsp. shastaensis G. Butler 1910-5-21 1379 Siskiyou Klamath River rock crevices. Comment
  SEINET3165707  Boechera pauciflora R. W. Spellenberg 2006-6-19 13746 Siskiyou On the Gazelle-Callahan Road, 3 km NE of junction to village of Callahan, 35 km SW of Gaselle. 1050 Comment
  CAS-BOT-BC14413  Boechera platysperma Alice Eastwood 2076 Siskiyou Mount Shasta. Comment
  RSA43885  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  JEPS104442  Botrypus virginianus Martin J. Lenz 2003-8-1 36 Siskiyou approx 1.2 air mi WSW of Mott Airport, Dunsmuir 1048 Comment
  CAS-BOT-BC418465  Boykinia major John Thomas Howell 1939-8-3 14987 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC418461  Boykinia major Wayne Roderick 1967-7-23 s.n. Siskiyou Horse Tail Falls on road to Cook & Green Pass, N of Seiad Valley. 304 Comment
  JEPS49659  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou summit Salmon Mountain; Cabin near summit Salmon Mountain 1676 Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  CAS-BOT-BC100469  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  UC164282  Brodiaea elegans subsp. elegans Geo. D. Butler 1910-5-29 1421 Siskiyou meadow near Yreka Comment
  CAS-BOT-BC149057  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  HSC101478  Bromus carinatus var. carinatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12992 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  SEINET3921875  Bromus carinatus var. carinatus Jennifer J. Whipple 1978-7-20 2358 Siskiyou Draining into the North Fork of the Sacramento River.; 0 2377 Comment
  HSC76729  Bromus carinatus var. marginatus K. T. Stillman 1976-8-8 393 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  SEINET229957 Image available Bromus ciliatus Leila M. Shultz, John S Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument ca 20 mi S of Tulelake; western extension of the Great Basin in California 1341 Comment
  CAS-BOT-BC155220  Bromus hordeaceus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53574 Siskiyou Yreka. 822 Comment
  POM112543  Bromus hordeaceus Geo D. Butler 1910-5-20 1370 Siskiyou Damp land, Yreka Comment
  CDA1822  Bromus inermis T. C. Fuller 1962-8-3 9494 Siskiyou Highway 139 to Stronghold, 0.2 miles southeast of the town of Tulelake. 0 Comment
  CHSC71513  Bromus japonicus Vernon H. Oswald; Lowell Ahart 1998-7-21 9326 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of a meadow. 1524 Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  CAS-BOT-BC185595  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11721 A Siskiyou French Creek Logging Road west of Callahan. 1219 Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  CDA16171  Bromus tectorum G. F. Hrusa, T. D. Wilfred 1999-5-31 15070 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka area former homestead, numerous cultivated plants, persisting, no evidence of habitation. With Lupinus albifrons on slope above river, in undisturbed area. Annual, common. 640 Comment
  RSA239072  Bromus tectorum Frederick W. Oettinger 1969-8-18 1432 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC103034  Bromus tectorum J. P. Smith 2014-6-7 13892 Siskiyou Etna Comment
  NY664732  Bromus tectorum var. glabratus A. Eastwood 1912-7-17 1126 Siskiyou McCloud Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  RSA238384  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1653 Siskiyou Below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC30597  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 771 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  HSC69034  Calamagrostis koelerioides Maralyn A. Renner 1980-7-28 2156 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UCD57331  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC185089  Calamagrostis purpurascens Douglas Barbe 1959-7-4 531 Siskiyou North shore of Caribou Lake, about 4 miles southwest of Big Flat Camp, Klamath National Forest. 2103 Comment
  CHSC96430  Calliscirpus criniger Gordon Leppig 1997-7-25 586 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10, 503813E, 4572466N. 2200 Comment
  POM215868  Callitriche verna L. C. Wheeler 1935-6-13 3568 -1/2 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC85728  Calocedrus decurrens Doris K. Kildale 1927-11-20 4175 Siskiyou Fort Jones Comment
  CAS-BOT-BC85741  Calocedrus decurrens W. R. Dudley 1899-8-27 s.n. Siskiyou Near Sisson Tavern Comment
  JEPS39841  Calocedrus decurrens Geo. D. Butler 1908-11-1 547 Siskiyou Butler's Ranch Quartz Valley, Butlers Ranch Comment
  OBI55417  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  UC60898  Calocedrus decurrens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  NY18936  Calocedrus decurrens H. E. Brown 1897-7-1 507 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
  UC648358  Calochortus elegans Marion Ownbey and Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 mi ne Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts.; NE of Dry Lake Lookout, summit of Siskiyou Mts., Siskiyou Co. Comment
  UC722091  Calochortus elegans C. L. Hitchcock and J. S. Martin 1939-7-9 5335 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  UCD139507  Calochortus elegans Nancy J. Hull 1974-5-27 136 Siskiyou Sugar Creek Road by Sugar Creek Dam, west of Scott Valley. Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  HSC81759  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6189 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC493091  Calochortus nudus W. R. Dudley 1905-8-4 s.n. Siskiyou meadow foot of Mt. Eddy Comment
  CAS-BOT-BC493095  Calochortus nudus Frank Callahan 2007-7-5 s.n. Siskiyou Methodist Camp meadows above or west of Scott Camp Creek 1482 Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  CAS-BOT-BC493100  Calochortus nudus Thomas W. Nelson; Jane P. Nelson 1980-7-20 6189 Siskiyou China Mountain Camp. On hillside above and to southeast of Big Carmen Lake. 1737 Comment
  HSC68406  Calochortus tolmiei Maralyn A. Renner 1980-6-26 1133 Siskiyou Flint Valley. 1390 Comment
  UC165949  Caltha biflora Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek. Comment
  POM97903  Caltha howellii Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek Comment
  HSC77039  Caltha leptosepala K. T. Stillman 1976-6-18 22 Siskiyou Marble Mountain Wilderness Area, Skyhigh Lakes 1707 Comment
  CHSC29774  Caltha leptosepala var. biflora M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2778 Siskiyou Bog around Cedar Lake. 1737 Comment
  UC1953741  Calycadenia fremontii 1978-8-17 2130 Siskiyou 5.4 mi E of Callahan on the Gazelle-Callahan Road. See GDC 781. Comment
  UCD129886  Calycadenia truncata R. L. Carr 1974-9-12 2160 Siskiyou 0.4 mile east of Somesbar on Salmon River Road. 195 Comment
  UCR51762  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  HSC36667  Calystegia occidentalis Brent Whiteley 1975-6-23 47 Siskiyou 223 Comment
  UCR21091  Camassia leichtlinii subsp. suksdorfii T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC36989  Camelina microcarpa Alice Eastwood 1912-7-16 1137 Siskiyou McCloud. Comment
  RSA186581  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  SEINET10462862  Campanula prenanthoides Clifton 1975-8-1 CLIFTON s.n. Siskiyou NR COOK & GREEN PASS, SEIAD VAL. QUAD., NR SEIAD V. 4800', ROADSIDE, COBBLY SOIL Comment
  SEINET10463097  Campanula prenanthoides Muth 1979-8-10 MUTH 13329 Siskiyou Near Little Mill Creek, on the Etna quadrangle; close to the town of Callahan, granitic 1707 Comment
  SEINET10972387  Campanula prenanthoides Clifton 1979-8-12 CLIFTON 13992 Siskiyou SCOTT BAR QUAD. NR ISINGLASS LAKE 629', SLOPE, Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET10463164  Campanula prenanthoides Palmer 1892-7-13 Palmer 2511 Siskiyou Mount Shasta and vicinity Comment
  SEINET10938999  Campanula prenanthoides James D. Culbertson 1943-8-1 Culbertson 42 Siskiyou CASTLE LAKE, 14 MI SW MT SHASTA, N SIDE E SPUR TRINITY MTS 5434', N FACING CIRCUE W/ ABRUPT 1000' BACKWALL 1656 Comment
  HSC75343  Campanula rotundifolia J. O. Sawyer, M. Mesler 1980-8-11 4039 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  POM259605  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  JEPS53833  Campanula shetleri Wayne Roderick 1967-9-1 Siskiyou Little Castle Lake; n-facing granite cliffs 1828 Comment
  UC1258461  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek Coffee Creek Quad. 2042 Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  SEINET10463886  Campanula wilkinsiana Cooke 1946-9-2 COOKE 17642 Siskiyou In Horse Camp water supply spring above Horse Camp, Mount Shasta 2515 Comment
  SEINET10840066  Campanula wilkinsiana Cooke 1938-8-18 COOKE 11447 Siskiyou Mount Shasta; common around the water supply spring turf above Horse Camp 2469 Comment
  SEINET10872990  Campanula wilkinsiana Cooke 1941-8-28 COOKE 16238 Siskiyou Occasional through a spring area on the bank of Squaw Valley Creek, Mount Shasta 1829 Comment
  UC855731  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  CAS-BOT-BC37192  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  POM369314  Cardamine Chadwick, Mrs Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA120725  Cardamine californica var. integrifolia S. S. Tillett 1956-7-9 663 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  CAS-BOT-BC18389  Carex Annie M. Alexander; Louise Kellogg 1949-7-28 5887 Siskiyou Marble Mountains. Sky High Valley. 1767 Comment
  CAS-BOT-BC19763  Carex abrupta John Thomas Howell 1939-8-10 15282 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19770  Carex abrupta R. Tallent 1987-8-16 941 Siskiyou Mount Shasta Area. Panther Meadows Trailhead Area. 2220 Comment
  SEINET7548183 Image available Carex abrupta Frederick W. Oettinger 1969-9-1 1577 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, sandy margin of Katherine Lake. 2027 Comment
  NY25680  Carex amplifolia A. A. Heller 1905-6-5 7974 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC17970  Carex angustata Elmer I. Applegate 1895-5-28 783 Siskiyou Sisson, Strawberry Valley. Comment
  CHSC78912  Carex aquatilis var. aquatilis Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  CAS-BOT-BC18126  Carex athrostachya Alice Eastwood 1921-7-25 10833 Siskiyou Bigelows, on McCloud River. Comment
  CAS-BOT-BC18130  Carex athrostachya Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  HSC76844  Carex athrostachya L. P. Janeway 1982-8-13 121 Siskiyou 4 m from creeklet that joins Bear Creek 1555 Comment
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC19662  Carex brainerdii J. Major 1961-7-14 646 Siskiyou Mount Shasta. Along Mud Creek. 1828 Comment
  JEPS109522  Carex brainerdii Dean W. Taylor 1988-7-9 9949 Siskiyou Castle Lake, in cirque and ridgetop above heart lake 1950 Comment
  CAS-BOT-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  SEINET10648314  Carex breweri A. Arthur Heller 1922-7-3 Heller 13679 Siskiyou Wet gravel above the head of Wagon Creek, Mount Eddy in the Hudsonian Zone. 2560 Comment
  RSA237265  Carex deflexa var. boottii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  HSC97783  Carex echinata subsp. echinata Juha Pykala, D. H. Norris 1987-7-7 2333 Siskiyou Shasta National Forest, E of China Mtn., beside trail from Deadfall Creek Meadows to Stewart Springs 1890 Comment
  SEINET3900972  Carex eurycarpa L. E. Detling 1959-6-8 8227 Siskiyou Scott River near Kelsey Creek Guard Station.; 0 671 Comment
  CAS-BOT-BC20130  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  SEINET3901556  Carex fracta D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19537 Siskiyou Along State Route 96 about 8 miles west of junction with I-5.; 0 Comment
  CHSC82811  Carex halliana L. P. Janeway 2002-7-13 7638 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  UC1540262  Carex hoodii Dean W. Taylor 1987-6-26 9067 Siskiyou 2 mi se Medecine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  HSC76795  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  UCD77463  Carex inops subsp. inops Robert E. Preston 1999-7-16 1226 Siskiyou McCloud River, at Fowler's Campground and along trail to Middle Falls. 999 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  CDA33095  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  SEINET7563560 Image available Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1905 Comment
  HSC29638  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Marble Mtns. Wilderness Area, Tom's Lake, lower meadow 2012 Comment
  RSA237223  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC37422  Carex leptopoda J. O. Sawyer 1968-7-10 493 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  SEINET7566380 Image available Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  UC1950183  Carex luzulina Barbara Ertter 1990-7-16 9378 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) along ridge; steep N-facing rocky slope Comment
  CAS-BOT-BC31836  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  SD130933  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  UCD77461  Carex multicaulis Robert E. Preston 2001-6-23 1547 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  SEINET10713500  Carex multicaulis William B. Cooke 1941-8-28 Cooke 16237 Siskiyou Scattered through the dry Shasta Fir woods in the vicinity of Squaw Valley Creek, Mt. Shasta. 2286 Comment
  CAS-BOT-BC23423  Carex multicostata John Thomas Howell 1937-7-24 13429 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC32221  Carex multicostata B. Clear 1938-7-13 s.n. Siskiyou Manzanita Lake. Comment
  SEINET7568517 Image available Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Pine Lake Meadows. 1844 Comment
  CHSC40189  Carex nebrascensis L. P. Janeway 1983-7-30 468 Siskiyou Small drainage ditch along the rd to Copco Lake. 883 Comment
  UC1265348  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou n side English Peak; Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC39759  Carex nudata J. O. Sawyer 1970-4-3 2098 Siskiyou Along Sugar Creek 915 Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  RSA20485  Carex pellita L. S. Rose 1937-7-3 37393 Siskiyou Weed. 945 Comment
  SEINET8275557  Carex pellita Elmer I. Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson Comment
  SEINET8410792  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou 2 miles west of Montague Comment
  CAS-BOT-BC118793  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek, the creek which flows in a gully S of Horse Camp. 2438 Comment
  JEPS63665  Carex raynoldsii Sonis Sorenzen 5 d Siskiyou Medicine Lake Comment
  SD61024  Carex raynoldsii Darley F. Howe 1964-8-4 Siskiyou Modoc National Forest; Medicine Lake; meadow. 2012 Comment
  CHSC102562  Carex rossii L. P. Janeway 2009-8-3 9891 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CHSC53537  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Along the Twin Valley-Poker Flat trail; south of and slightly above a flat containing a dry vernal pool. 1676 Comment
  HSC68504  Carex rossii Maralyn A. Renner 1980-6-22 935 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  SEINET7573864 Image available Carex rossii Barbara L. Wilson 1996-5-31 8101 Siskiyou Klamath National Forest, 3.4 miles east of the highway rest area at Grass Lake on Highway 97, at intersection with a dirt road marked "M.P. 372.8". 1524 Comment
  HSC470  Carex rostrata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin 1677 Comment
  HSC76835  Carex rostrata L. P. Janeway 1982-8-21 166 Siskiyou SE facing slope in Twin Valley 1524 Comment
  HSC71108  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4500 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS121651  Carex scabriuscula Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  JEPS40877  Carex spectabilis Paul C. Hutchison 1962-8-2 931 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  CAS-BOT-BC117359  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou Swampy place at the State College grounds near the town of Mt. Shasta. Comment
  HSC76828  Carex utriculata L. P. Janeway 1982-7-2 39 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC114818  Carex whitneyi William Bridge Cooke 1938-7-1 11161 Siskiyou Mount Shasta. 1676 Comment
  UC1409402  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou in let stream to Little Hancock Lake (boreal meadow) 2042 Comment
  SEINET10736305 Image available Cassiope mertensiana subsp. ciliolata Edwin B. Copel 1903-8-18 Copeland 3898 Siskiyou Mt. Eddy. 2591 Comment
  CAS-BOT-BC241143  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-29 13642 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  UC163705  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1255 Siskiyou near Yreka Comment
  UC725307  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou along trail to Horse Camp; Mt. Shasta 2286 Comment
  CAS-BOT-BC243748  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1939-7-14 13693 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1524 Comment
  CAS-BOT-BC243761  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  CAS-BOT-BC243765  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-8-3 10016 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC243766  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-10 9485 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC69005  Castilleja arachnoidea Maralyn A. Renner 1980-7-28 2152 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  RSA12626  Castilleja arachnoidea Carl B. Wolf 1934-7-5 5959 Siskiyou 3 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  UC1483513  Castilleja arachnoidea John Palmer 1980-7-24 667 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
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May 25 2011
  UC164329  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1828 Comment
  RSA237567  Castilleja arachnoidea Frederick W. Oettinger 1967-8-4 270 Siskiyou Trail from English Peak Lookout on southwest ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  SEINET3159134  Castilleja arachnoidea subsp. schizotricha G. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek 1676 Comment
  HSC20532  Castilleja linariifolia R. C. Wunner 1965-6-30 312 Siskiyou Lava Beds N.M., .1 mi. above Big Painted Cave Comment
  CAS-BOT-BC254015  Castilleja miniata Wm. Bridge Cooke 1938-7-28 11378 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  HSC61199  Castilleja miniata Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC69093  Castilleja miniata Maralyn A. Renner 1980-8-4 2224 Siskiyou Flint Valley 1390 Comment
  JEPS9767  Castilleja miniata Willis L. Jepson 1894-8-9 21476 Siskiyou Shasta Springs; Upper Sacramento Region Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  CAS-BOT-BC254011  Castilleja miniata Gilbert Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  CAS-BOT-BC254112  Castilleja miniata Wm. Bridge Cooke 1939-8-24 13897 Siskiyou Squaw Valley Creek Meadows. Flora of Mount Shasta 2438 Comment
  CHSC71328  Castilleja pilosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9206 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CHSC88113  Castilleja pilosa Jenny Marr 1993-7-1 123 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA0005952  Castilleja pinetorum var. fragilis E. B. Copeland 1903-8-14 3883 Siskiyou Sisson. Comment
  POM265896  Castilleja pruinosa Lincoln Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  HSC72571  Castilleja pruinosa J. P. Smith 1976-5-4 8668 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  POM42526  Castilleja pruinosa Geo. D. Butler 1910-5-1 1255 Siskiyou Near Yreka. Comment
  CHSC1700  Castilleja schizotricha V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  JEPS2939  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou w of Cold Spring Camp (trail); Woolly Creek; Cold Spring Camp, Woolly Creek, Siskiyou Co. Comment
  SEINET13737296  Castilleja schizotricha G. D. Butler 1910-7-9 1711 Siskiyou Wooley Creek. 1676 Comment
  SEINET269404 Image available Castilleja tenuis Richard J. Shaw 1963-6-11 1285 Siskiyou Along old highway 99 2 miles north of Weed 1067 Comment
  CAS-BOT-BC47942  Ceanothus O. V. Matthews 1939-7-7 13 Siskiyou From west side of Mohawk Mine-frog Pond Trail 1219 Comment
  CAS-BOT-BC48653  Ceanothus cordulatus Alice Eastwood 1923-5-23 11908 Siskiyou Cantara Comment
  CDA36032  Ceanothus cordulatus CDFA Staff 1977-9-1 Siskiyou Lake Siskiyou. 0 Comment
  CAS-BOT-BC48389  Ceanothus cuneatus Doris K. Kildale 1929-5-12 7804 Siskiyou Sawyers Bar north fork of Salmon River Comment
  RSA399045  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  CAS-BOT-BC63604  Ceanothus integerrimus W. B. C. 1940-6-6 15030 Siskiyou Common along Castle Lake Rd. about half way from the Box Canyon to the lake. 1371 Comment
  HSC101760  Ceanothus integerrimus J. P. Smith, J. O. Sawyer 2011-9-5 13419 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  JEPS42443  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mt. Comment
  SEINET5339318  Ceanothus integerrimus G. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  CAS-BOT-BC50688  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC53080  Ceanothus prostratus Elmer I. Applegate 1935-6-11 9510 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  UCR131602  Ceanothus sanguineus L. C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mtns., Sterling Mine, Bullion Mtn. 1280 Comment
  UCR266168  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  CAS-BOT-BC63159  Ceanothus velutinus W. B. C. 1938-6-17 11022 Siskiyou Sisson Southern Trail. 1371 Comment
  HSC19307  Ceanothus velutinus J. O. Sawyer 1968-9-9 650 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA12597  Ceanothus velutinus Carl B. Wolf 1934-7-6 5989 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  SDSU10416  Ceanothus velutinus D. F. Howe 1977-7-5 4999 Siskiyou Area N of Mt. Shasta. 1433 Comment
  CAS-BOT-BC52839  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  UCD14430  Centaurea cyanus R. M. Rhode 1984-5-26 s.n. Siskiyou downtown Weed, at the intersection of Highway 97 and Business 5; 1056 Comment
  CDA18842  Centaurea diffusa R. Breckenridge 1999-6-3 PDR 909441 Siskiyou near Volmer Creek overpass, in the vicinity of Dunsmuir. 0 Comment
  RSA190692  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou 3 roadside plants, W side of Hwy 97 to weed, 3 miles S of Macdoel, Butte Valley Comment
  UCD130021  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou west side of Highway 97 to Weed, 3 miles south of Macdoel. Comment
  CDA7262  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou North side of Highway 97 (Weed to MacDoel), west of railroad spur at Grass Lake. 0 Comment
  UCD69156  Centaurea solstitialis Eva Grotkopp 1997-8-2 s.n. Siskiyou Northwest of Yreka, near Hawkinsville, along Canal Gulch Rd. Disturbed site near garbage dump. Growing with Centaurea squarrosa and C. solstitialis. 1000 Comment
  CAS-BOT-BC106027  Centaurea virgata subsp. squarrosa R. E. Frenkel 1964-7-14 685 Siskiyou On a southern shoulder of Everitt Memorial Highway just east of a point 3.7 miles north of McCloud River RR crossing. 1493 Comment
  HSC2177  Centromadia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 mi. SE of Yreka 854 Comment
  CAS-BOT-BC288794  Centromadia fitchii L. R. Abrams 1927-9-11 12140 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  UC1229866  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou Little Shasta Rd 5 mi e Montague (B. M. Long prop.) Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  CAS-BOT-BC147683  Cercocarpus betuloides var. betuloides Copeland 1903-7-14 3504 Siskiyou Klamathon Comment
  RSA45332  Cercocarpus ledifolius Dorothy Parker 1947-4-5 166 Siskiyou Plowman's Valley. 1220 Comment
  RSA59495  Cercocarpus ledifolius E. K. Balls 1950-5-16 14705 Siskiyou Caldwell Caves, Lava Beds National Monument. 1524 Comment
  UCD77514  Cercocarpus ledifolius var. intermontanus Robert E. Preston 2001-7-21 1731 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 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
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  HSC92685  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-2 1266 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  UC1286473  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou along Bolam Road Mt. Shasta 1706 Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  CAS-BOT-BC276763  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-1-1 3867 Siskiyou Top of Redshale Mountain, E of Medicine Lake 2438 Comment
  CAS-BOT-BC276770  Chaenactis douglasii var. douglasii L. E. Smith 1913-7-12 461 Siskiyou Igerna Comment
  CAS-BOT-BC276774  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  UC90185  Chaenactis suffrutescens E. Palmer 1892-7-1 Siskiyou Mt. Shasta Comment
  HSC59605  Chamaebatiaria millefolium J. P. Smith, Steve Selva 1970-8-8 4571 Siskiyou Lava Beds National Monument Comment
  RSA23949  Chamaebatiaria millefolium O. V. Matthews 1939-7-13 35 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  CAS-BOT-BC85661  Chamaecyparis lawsoniana W. R. Dudley 1905-7-7 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC166098  Chamerion angustifolium subsp. circumvagum Professor Life; Mrs. Life 1923-8-6 s.n. Siskiyou Shasta Spring Comment
  CAS-BOT-BC482448  Chamerion latifolium Dana York 2011-8-13 3057 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  JEPS25667  Chamerion latifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7310 Siskiyou just e Del Norte County line (4 air-line mi nne of Preston Peak); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  CAS-BOT-BC68246  Cheilanthes gracillima Doris K. Kildale 1929-7-20 8579 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  HSC29473  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  UC399623  Cheilanthes gracillima H. M. Hall 1909-7-28 8647 Siskiyou head of Salmon River 1645 Comment
  UC851136  Chenopodium foliosum L. E. Smith 1914-6-24 722 Siskiyou Sisson Comment
  HSC65136  Chenopodium fremontii J. P. Smith, Steve Selva 1970-7-17 4417 Siskiyou Along Klamath River. Comment
  RSA120884  Chimaphila menziesii G. D. Barbe 1957-7-13 389 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  HSC27634  Chimaphila umbellata Carl W. Mize 1972-6-22 87 Siskiyou In a draw past cut block #48 1113 Comment
  UCD77530  Chimaphila umbellata Robert E. Preston 2001-8-26 1760 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1883 Comment
  CDA3723  Chorispora tenella D. R. Hill 1961-5-17 Siskiyou 1 mile northwest of Gazelle. 0 Comment
  HSC27629  Chrysolepis chrysophylla Carl W. Mize 1972-6-22 90 Siskiyou In a draw past cut block #48 1113 Comment
  RSA82847  Chrysolepis chrysophylla R Tofsrud, J. Mark Porter 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp - Waldo (Oregon) road. Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  RSA50184  Chrysolepis sempervirens E. K. Balls 1949-7-8 13923 Siskiyou 5 miles from Callahan, by junction of road to Tangle Blue Lake, from Scott Mt. 1372 Comment
  RSA14487  Chrysothamnus nauseosus subsp. consimilis Elmer I. Applegate 1923-8-21 3926 Siskiyou Low alkaline ground along Willow Creek S of lower Klamath marsh Comment
  SD9199  Cicuta douglasii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  CAS-BOT-BC190005  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC190006  Cinna latifolia John Thomas Howell 1939-8-10 15252 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  HSC179  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  HSC182  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Josephine Lake basin. 1677 Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC32801  Cirsium breweri var. canescens Alice Eastwood 1912-8-30 2085 Siskiyou Mount Eddy Comment
  CDA1136  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -A Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  JEPS59122  Cirsium douglasii var. breweri Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Region of the Upper Sacramento, Sissons Comment
  OBI54107  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-24 23561 Siskiyou Klamath NF E fo Callahan. 2.1 mi N of Kangaroo Lake on Rail Crk rd Comment
  CAS-BOT-BC285554  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-1 447 Siskiyou Hilt Comment
  RSA0070693  Cirsium occidentale var. candidissimum L. C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mts. 671 Comment
  JEPS59252  Cirsium scariosum Geo. D. Butler 1909-6-13 977 Siskiyou Oro Fino Comment
  JEPS59328  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC286465  Cirsium scariosum Alice Eastwood; John Thomas Howell 1936-6-13 2759 Siskiyou 5 miles n. of Gazelle Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  RSA439203  Cirsium scariosum E. Yale Dawson 1948-7-16 5099 b Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  UC1216711  Cirsium vulgare W. B. and V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway Mt. Shasta, Memorial Highway 1219 Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC228965  Cistanthe umbellata Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC228966  Cistanthe umbellata Wm. Bridge Cooke 1939-7-13 13658 Siskiyou Mount Shasta. Red Butte in The South Gate Comment
  CAS-BOT-BC228977  Cistanthe umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Mable Mts., Cuddhyi Lake [Cuddihy Lakes] Comment
  CAS-BOT-BC172046  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC172045  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott Valley Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC164341  Clarkia lassenensis Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  CAS-BOT-BC164970  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  RSA789824  Clarkia rhomboidea Rebecca Wenk 2005-7-15 196 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  CAS-BOT-BC439108  Claytonia cordifolia K. T. Stillman 1976-6-25 72 B Siskiyou Marble Mountain Wilderness Area. 1798 Comment
  RSA466953  Claytonia exigua subsp. exigua L. C. Wheeler 1935-3-18 3378 Siskiyou Cottonwood Creek. 945 Comment
  RSA120757  Claytonia lanceolata S. S. Tillett 1956-7-9 664 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  UC412619  Claytonia parviflora subsp. parviflora Milo S. Baker 104 Siskiyou Igerna Comment
  CAS-BOT-BC439811  Claytonia perfoliata Elmer I. Applegate 1935-6-7 9390 Siskiyou Old Sheepherders' road, Lava Beds National Monument Comment
  CDA23964  Claytonia rubra subsp. depressa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2603 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC443864  Claytonia sibirica Alice Eastwood 1917-9-2 6676 Siskiyou Shasta Springs Comment
  CAS-BOT-BC443860  Claytonia sibirica Elmer I. Applegate 1923-9-7 3958 Siskiyou Canyon Creek, Doggett Ridge, near Klamath River Comment
  RSA211260  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC92768  Clematis ligusticifolia Lewis S. Rose 1945-6-22 45168 Siskiyou Beaver Creek & Klamath River. 548 Comment
  UC61083  Clematis ligusticifolia W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mt. Shasta, Sisson Comment
  HSC42887  Clinopodium douglasii K. T. Stillman 1976-8-15 402 Siskiyou Along Specimen Creek 915 Comment
  HSC61810  Clintonia uniflora Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC500962  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mountains 1219 Comment
  SEINET4899737  Clintonia uniflora Jack Seely 1991-1 s.n. Siskiyou Klamath National Forest, Comment
  UCD13225  Clintonia uniflora Clyde Byfield 1973-7-2 S 219 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23, 41 deg 30 min N, 123 deg 07 min. 1524 Comment
  HSC72466  Collinsia greenei J. P. Smith, Steve Selva 1970-6-16 4046 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  JEPS26521  Collinsia linearis Lauramay T. Dempster 1961-7-2 1852 Siskiyou sw Etna (ridge w of Salmon Mtn Summit) 1828 Comment
  UC454817  Collinsia linearis I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA237561  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou Due west of northwest end of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1951 Comment
  UC164472  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath Bluffs near Yreka; Klamath Bluffs Comment
  SEINET7096760  Collinsia torreyi 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
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  UC1229785  Collinsia torreyi var. latifolia G. Newcomb and F. Chisaki 1958-6-22 1157 Siskiyou between Fort Jones and Gazelle 9.6 mi w on road from Fort Jones to Duzel Rock and 9.4 mi s from this road to Duzel Rock Duzel Rock 1645 Comment
  JEPS71029  Collomia grandiflora Geo. D. Butler 1908-8-9 106 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  RSA411151  Collomia grandiflora L. C. Wheeler 1934-6-25 2777 Siskiyou West Fork, Cottonwood Creek. Siskiyou Mts. 1159 Comment
  UC52839  Collomia grandiflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  HSC45975  Collomia tinctoria J. P. Smith, Steve Selva 1970-6-15 3954 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC58935  Collomia tinctoria Marvin Butler 1971-7-7 48 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  HSC16941  Collomia tinctoria R. C. Wunner 1965-6-15 204 Siskiyou Lava Beds N.M., SE side Caldwell Butte, 3/4 of way down Butte 1463 Comment
  CAS-BOT-BC230677  Collomia tracyi Doris K. Kildale 1928-7-2 5371 Siskiyou Salmon Summit, Horn Creek trail 1981 Comment
  CAS-BOT-BC376184  Conium maculatum Andrew Townesmith; Karen M. Meyer 2007-8-3 899 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
  CDA21755  Conyza canadensis T. C. Fuller 1962-8-3 9499 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of Klamath River. 0 Comment
  RSA381993  Corallorhiza maculata M. B. Dunkle 1944-8-25 9171 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  CHSC105585  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. Lat. and Long. indicated +/- 30 feet. 1304 Comment
  HSC101187  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; along road, starting 0.6 miles east of road 20M020 and extending at least 1.2 miles. 933 Comment
  HSC74909  Cordylanthus tenuis subsp. viscidus J. P. Smith 1978-7-1 9957 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  JEPS57396  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang 1968-7-2 1971 Siskiyou n side Mt. Shasta (along Bolam logging road at e-w fork) 1463 Comment
  JEPS70112  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1972-8-4 3149 Siskiyou southern edge Dunsmuir (near first Dunsmuir freeway exit) 822 Comment
  SEINET10702297  Cordylanthus tenuis subsp. viscidus Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 174 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  RSA237382  Cornus californica Frederick W. Oettinger 1969-7-18 1058 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC212072  Cornus nuttallii Doris K. Kildale 1929-5-31 9159 Siskiyou Cecilville, South Fork Salmon River Comment
  UC1584283  Cornus nuttallii Julie Kierstead 1990-4-18 90 -13 Siskiyou F.S. Rd. #39N55 along Dead Horse Canyon; Shasta-Trinity Nat'l Forest, McCloud R.D., Dead Horse Canyon 1432 Comment
  UCR198253  Cornus nuttallii Dean Kelch 2007-7-25 07- 501 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  CAS-BOT-BC210410  Cornus sericea Elmer I. Applegate 1895-5-29 222 a Siskiyou Sacramento River near Sisson Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek Comment
  CAS-BOT-BC210422  Cornus sericea L. E. Smith 1913-5-27 296 Siskiyou Weed 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
  UC1280732  Cornus sericea subsp. sericea H. E. McMinn 1931-6-27 2513 Siskiyou Mt. Shasta City Comment
  RSA397707  Cornus stolonifera B. C. Templeton 1960-6-21 8557 Siskiyou 2 miles below the summit of Scott Mt. Comment
  JEPS78178  Corylus californica Gary W. Zamzow 1972-7-20 93 Siskiyou 7 mi e of McCloud (on Highway 89, Fowlers Campground, on e-facing bank of McCloud River); McCloud River, Fowlers Campground, Highway 89 1066 Comment
  CAS-BOT-BC180203  Corylus cornuta subsp. californica A. A. Heller 1905-6-5 7971 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  UCD110080  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  POM106653  Corylus cornuta var. californica Geo. D. Butler 1909-3-21 564 Siskiyou Oro Fino Hills. Comment
  SEINET10543254  Crataegus douglasii Louis C. Wheeler 1934-6-27 Wheeler 2804 Siskiyou Along seasonal creek in flat valley, Cottonwood Creek. Siskiyou Mts. 2900 feet. S15, T48N, R7W, Mt. Diablo Mer. Comment
  HSC101827  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-7-31 13346 Siskiyou Fence row along on Collier Way in Etna. 884 Comment
  JEPS109232  Crataegus monogyna Dean W. Taylor 2004-7-19 19184 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UC313842  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  CDA4451  Crepis monticola F. D. Horn 1980-5-13 Siskiyou Vacant areas north of Northridge Drive, Yreka. 0 Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  UC581312  Crepis monticola G. L. Stebbins Jr. and J. A. Jenkins 1937-6-19 2442 Siskiyou about 1 mi n Scott River (2 mi below Quartz Valley); Wicks Ranch 900 Comment
  UC144421  Crepis occidentalis A. A. Heller 1905-6-19 8065 Siskiyou Grenada Comment
  HSC78312  Crepis occidentalis subsp. conjuncta L. P. Janeway 1983-8-6 494 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  CAS-BOT-BC290863  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, at 0.3 mi N of Hwy 3 on Forest Service 40 N 08 1671 Comment
  CAS-BOT-BC290870  Crepis pleurocarpa Doris K. Kildale 1929-8-24 8845 Siskiyou Preston Peak 2133 Comment
  CAS-BOT-BC290874  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 Siskiyou Near Cantara Comment
  HSC61805  Crepis pleurocarpa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS36456  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackelford Creek Log Lake 1524 Comment
  UC91849  Crepis pleurocarpa T. S. Brandegee July 1887 Siskiyou Sissons Comment
  OBI47579  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mtn Wilderness Area. Scatt Bar quad. T43N, R12W, sec 22 Comment
  RSA215644  Crepis pleurocarpa Gilbert Muth 1969-8-7 1256 Siskiyou Boulder Peak Ridge. 2470 Comment
  JEPS24803  Crypsis schoenoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6812 Siskiyou about 3 mi nw Weed (head of Valley); Shasta Valley 975 Comment
  JEPS112999  Cryptantha affinis Dean W. Taylor 1999-6-9 17234 Siskiyou Humbug Gulch, ca. 1 mile WNE of Yreka 899 Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  HSC29342  Cryptantha affinis Frederick W. Oettinger 1969-8-6 1229 Siskiyou Marble Mtn. Wilderness Area, between large rocks on S side of Pine Lake 1921 Comment
  CHSC97392  Cryptantha ambigua Jenny Marr 2006-6-18 228 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  UC1731387  Cryptantha milobakeri Dean Wm. Taylor with Joe Molter 1998-6-17 16560 Siskiyou base of hillslopes ca. 3 mi s Gazelle (bordering Shasta Valley (ca. 14 air mi s <of> Yreka)); Klamath Region, Scott Mountains 1036 Comment
  JEPS88956  Cryptantha simulans unknown 1938-6-24 11081 Siskiyou MacBride Spring Mount Shasta 1524 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  RSA211488  Cryptogramma acrostichoides William J. Ferlatte 1966-6-22 118 Siskiyou Josephine Lake basin 1677 Comment
  HSC92769  Cryptogramma acrostichoides Jennifer Whipple 1976-7-23 1520 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  CAS-BOT-BC80535  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.W. side [Goose Nest] Goosenest Mt., about 1 mi. due S. of Old Smith Sawmill on Montague to Mt. Hebron Road 1676 Comment
  CAS-BOT-BC80547  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1463 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  RSA40897  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 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
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  UC1409233  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou sse of Tom Taylor Cabin (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UC564181  Cycladenia humilis var. humilis Elmer I. Applegate 1935-6-10 9492 Siskiyou s. slopes of Caldwell Butte; Lava Beds Nat'l Monument, Caldwell Butte Comment
  UCD127598  Cymopterus terebinthinus var. californicus K. M. Meyer; A. Townesmith 2007-8-2 185 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  CDA5635  Cynoglossum officinale Wm. Nichols 1959-5-1 2310 Siskiyou McCloud. 0 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  HSC79094  Cyperus squarrosus Paul Wilson 1984-8-29 358 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  JEPS46152  Cypripedium fasciculatum Duncan Dunning 1923-6-15 Siskiyou trail from Sawyers Ridge to Blue Ridge Comment
  RSA382006  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  HSC41043  Cystopteris fragilis J. O. Sawyer 1970-3-4 2062 Siskiyou N of Idlewild Campground 762 Comment
  HSC69251  Cystopteris fragilis J. O. Sawyer, J. Cole 1980-7-20 3720 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  HSC23665  Cystopteris fragilis J. O. Sawyer 1969-7-18 1360 Siskiyou At headwaters of S Russian Cr. 2043 Comment
  HSC19079  Danthonia unispicata J. O. Sawyer 1969-7-15 1114 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  RSA239121  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC76237  Darlingtonia californica A. A. Heller 1915-7-15 12090 Siskiyou Mount Eddy. 1828 Comment
  CAS-BOT-BC76245  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1219 Comment
  UC54472  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson; Sacramento River, 18th Crossing 1036 Comment
  UC70416  Darlingtonia californica Milo S. Baker 1888-1 Siskiyou Castle Lake Comment
  UC857781  Darlingtonia californica A. A. Heller 1915-7-15 12090 Siskiyou Mt. Eddy 1828 Comment
  UCD119059  Darlingtonia californica Collector unknown Date unknown s.n. Siskiyou Mt. Shasta. Comment
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Nov 6 2019
  UCD168824  Darlingtonia californica Barry Rice 2015-9-6 BR 150905 Siskiyou Tamarack flats. 1870 Comment
  UC60964  Darmera peltata Geo. B. Grant Sep 1902 5185 Siskiyou Dunsmuir; Mount Shasta 609 Comment
  POM83288  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta. Comment
  RSA183669  Delphinium glaucum Gilbert Muth 1965-8-2 144 Siskiyou Marble Valley; Marble Mts. 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
  CAS-BOT-BC116167  Delphinium nuttallianum A. A. Heller 1916-6-20 12401 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC116171  Delphinium nuttallianum Ira L. Wiggins 1950-5-28 12382 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek). 1737 Comment
  CAS-BOT-BC116175  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC116176  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  CDA24255  Delphinium nuttallianum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA12574  Delphinium nuttallianum Carl B. Wolf 1934-7-6 6012 Siskiyou 1/2 mile below Wagon Camp, S slope of Mt. Shasta 1524 Comment
  RSA239127  Deschampsia cespitosa subsp. cespitosa Frederick W. Oettinger 1969-8-11 1491 Siskiyou [meadow] near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 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
  SJSU11325  Deschampsia cespitosa subsp. holciformis S. H. Casey 1981-7-4 1217 Siskiyou near Cook & Green Pass Seiad Creek Rd, Siskiyou Mts. c. 8 mi N of Seiad Valley 1524 Comment
  POM161562  Deschampsia danthonioides Geo D. Butler 1908-6-25 477 Siskiyou Yreka Creek Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  CAS-BOT-BC201933  Deschampsia elongata L. P. Janeway 1983-9-11 662 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  HSC65676  Deschampsia elongata Donald W. Miles 1979-7-21 20 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  UC157089  Deschampsia elongata Dr. E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy 1371 Comment
  SEINET10524232  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 662 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Along dirt road in dry southwest part of the meadow. 1524 Comment
  UC166617  Descurainia incana Geo. D. Butler 1908-8-4 Siskiyou Head of Shackleford Creek Comment
  UC855979  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou ridge s Marble Valley (Marble Mts.); Marble Mts. Comment
  CAS-BOT-BC43526  Descurainia sophia Alice Eastwood 1912-7-16 1135 Siskiyou McCloud. Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  HSC69339  Dicentra formosa John Palmer 1980-8-13 785 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS91305  Dicentra formosa Dean W. Taylor 1972-7-4 1595 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  HSC44575  Dicentra formosa Laura Witherspoon 1977-6-30 Siskiyou 1/2 mi. along Binwall Rd. before Dillon Camp 1494 Comment
  UCD95492  Dicentra formosa Rolf Y. Berg 1964-7-15 8264 Siskiyou Seiad Valley. W of Cook and Green Pass and above Lily Pad Lake. Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  CAS-BOT-BC246543  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89 1310 Comment
  HSC46240  Dichelostemma congestum Jennifer Whipple 1978-6-5 2346 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA237876  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Off the trail and uphill from the stock gate on the English Lake - Abbotts Upper cabin trail. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC333371  Dichelostemma multiflorum unknown 1889-6-26 Siskiyou Edgewood Comment
  UC726456  Dichelostemma multiflorum A. A. Heller 1919-6-27 13275 Siskiyou Metcalf's Comment
  CAS-BOT-BC500998  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  JEPS44099  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1965-7-12 35191 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  UC179691  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou in a field at Weed 1524 Comment
  UC609337  Dieteria canescens var. shastensis Eleanor Burks Hart 1938-8-16 943 Siskiyou Lower Wright Lake 2225 Comment
  UC75817  Dieteria canescens var. shastensis Milo S. Baker 1898-8-1 474 Siskiyou Medicine Lake Comment
  HSC92173  Dieteria canescens var. shastensis Jennifer Whipple 1978-10-6 2392 Siskiyou N-facing slopes in the Eddy Creek Drainage 2378 Comment
  UCD131198  Dieteria canescens var. shastensis Daryl Koutnik; Martha Townsend 1979-9-10 591 Siskiyou Five miles SW of Yreka, on Fort Jones Road. 914 Comment
  CAS-BOT-BC153303  Diplacus kelloggii J. H. Thomas 1954-5-13 4156 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek 1127 Comment
  CAS-BOT-BC153458  Diplacus layneae A. A. Heller 1938-7-12 15248 Siskiyou Five miles north of Weed on U. S. Highway #97 Comment
  CAS-BOT-BC153721  Diplacus nanus Elmer I. Applegate 1935-6-11 9496 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC153725  Diplacus nanus Rodney Gregg 1948-8-4 s.n. Siskiyou On Gazelle Mountain 1310 Comment
  CAS-BOT-BC153726  Diplacus nanus Clare B. Hardham 1961-6-30 8030 Siskiyou Mud Springs 1981 Comment
  CAS-BOT-BC153739  Diplacus nanus W. B. Cooke; V. G. Cooke 1966-7-16 37213 Siskiyou Above Hotlum Station, Mt. Shasta 1676 Comment
  HSC68034  Dipsacus fullonum J. P. Smith, Steve Selva 1970-7-17 4433 Siskiyou Tyler Gulch Comment
  CDA31684  Distichlis spicata var. stricta J. Schieber 1967-8-23 Siskiyou Westside Grocery, Stateline Rd., Tukelake area. 0 Comment
  CAS-BOT-BC136092  Dodecatheon alpinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Margin of Cedar Lake - Trinity Mts. 1828 Comment
  HSC29231  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW side of Upper English Lake 1768 Comment
  UC585128  Dodecatheon hendersonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2001 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); above Sulloway Creek, w of Mt. Shasta City 1188 Comment
  HSC65344  Dodecatheon jeffreyi Rich White 1978-7-3 210 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  JEPS84210  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  UC1409475  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou along inlet stream on sw side Upper English Lake (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  HSC29233  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Marble Mountain Wilderness Area, along inlet stream on SW side of Upper English Lake 1768 Comment
  RSA181958  Downingia montana John Weiler, Lincoln Constance, E. Moleseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy 99 just N of the bridge over the Sacramento River at the N end of Lake Shasta (Antler Resort area.) Comment
  CHSC88122  Downingia pulcherrima Jenny Marr 1993-7-1 132 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC90894  Draba carnosula Jennifer Whipple 1976-7-1 1233 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC41316  Draba pterosperma Jack Major; M. Fleschner; R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountains. Northeast face of Marble Mountain. 2133 Comment
  UC722618  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5317 Siskiyou King's Castle Comment
  CAS-BOT-BC41417  Draba verna Louis C. Wheeler 1935-4-18 11793 Siskiyou Siskiyou Mountains. Greenhorn Creek. 1005 Comment
  JEPS1620  Draperia systyla W. L. Jepson 1894-8-9 20995 Siskiyou Shasta Springs Comment
  UC54354  Drymocallis hansenii H. M. Hall and E. B. Babcock June, 1903 4136 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  JEPS96969  Drymocallis lactea var. austiniae Dean W. Taylor 1996-7-25 15844 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  UC519045  Drymocallis lactea var. austiniae Elmer I. Applegate 1923-8-20 3910 Siskiyou w end of Medicine Lake Comment
  SEINET6691603  Drymocallis lactea var. austiniae G. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1372 Comment
  HSC69253  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3724 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  HSC76741  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC158414  Drymocallis pseudorupestris var. saxicola Alice Eastwood 1912-8-30 2026 Siskiyou Mount Eddy Comment
  CAS-BOT-BC158422  Drymocallis rhomboidea John Thomas Howell 1937-7-21 13162 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC88376  Eleocharis acicularis Jenny Marr 1993-7-1 182 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC113418  Eleocharis bella Doris K. Kildale 1928-8-19 6514 Siskiyou English Lake, head of north fork of Salmon River. 1676 Comment
  UC184358  Eleocharis bella Geo. D. Butler 1909-9-12 866 Siskiyou Oro Fino Comment
  POM144790  Eleocharis bella E. B. Copeland 1903-8-12 3825 Siskiyou Sisson. Comment
  UCSB63910  Eleocharis engelmannii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou East side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18, Lodgepole Pine Forest 1383 Comment
  UC1265302  Eleocharis macrostachya Frederick W. Oettinger 1968-9-5 716 Siskiyou high lake basins in vicinity of English Peak (inlet stream to Hancock Lake); Western Siskiyou Co., Salmon Mountains, Marble Mountain Wild 1935 Comment
  UC184011  Eleocharis macrostachya Geo. D. Butler 1910-5-26 1410 Siskiyou Yreka Comment
  HSC30714  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Marble Mtn. Wilderness Area, due S of treeless area along ridge between David's Mtn. and Abbott's Lake Basin, on Old Tanner's Peak Trail 1905 Comment
  CHSC110084  Eleocharis rostellata R. E. Brainerd; B. L. Wilson 2010-8-10 1738 Siskiyou Forest Service Road 41N03; 1.5 air miles east-southeast of junction with Gazelle-Callahan Road; ca. 12 air miles west-southwest of Weed. 1591 Comment
  CAS-BOT-BC451554  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC227125  Elymus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC227126  Elymus Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  POM215742  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  HSC26575  Elymus elymoides var. californicus J. P. Smith 1972-8-17 5748 Siskiyou Medicine Lake 2012 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  SJSU11311  Elymus hispidus S. H. Casey 1981-7-2 1204 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
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  CAS-BOT-BC235220  Elymus multisetus Doris K. Kildale 1929-7-20 8557 Siskiyou South Fork of Indian Creek near Happy Camp 457 Comment
  CAS-BOT-BC235224  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou Near Yreka Comment
  UC167210  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  UC197115  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC45888  Elymus trachycaulus subsp. trachycaulus Laura Witherspoon 1978-8-15 80 Siskiyou Klamath National Forest. 2.9 miles S of La Honda Well and Forest Service Rd. 6Q01 (Tennant Rd.) 1442 Comment
  HSC29169  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  HSC26926  Epilobium brachycarpum J. P. Smith, J. O. Sawyer 1971-9-18 4849 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC164343  Epilobium brachycarpum Geo. D. Butler 1908-8-26 155 Siskiyou roadside near Etna Comment
  UC873509  Epilobium brachycarpum A. A. Heller 1916-8-24 12554 Siskiyou near Sisson 1074 Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  POM261177  Epilobium brachycarpum W. Bridge Cooke 1941-9-5 16280 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  SDSU8793  Epilobium brachycarpum D. F. Howe 1964-8-5 3940 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 Comment
  HSC93865  Epilobium ciliatum subsp. ciliatum Jennifer Whipple 1977-8-6 2242 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS109702  Epilobium ciliatum subsp. glandulosum Dean W. Taylor 2002-7-20 18262 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  POM171594  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1928-8-19 6560 Siskiyou Hancock Lake, on trail to Marble Mt. 2134 Comment
  UC637162  Epilobium glaberrimum subsp. glaberrimum Edward Lee 1934-8-15 1127 Siskiyou summit of Happy Camp to Waldo Rd, Klamath National Forest, Indian Creek Watershed 1615 Comment
  HSC61783  Epilobium luteum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  HSC91953  Epilobium minutum Jennifer Whipple 1976-6-30 1190 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UCD105960  Epilobium minutum Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CDA38114  Epilobium minutum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2649 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  RSA458725  Epilobium obcordatum M. B. Dunkle 1945-1 9299 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA237394  Epilobium oregonense Frederick W. Oettinger 1969-8-19 1460 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  POM38541  Epilobium paniculatum Geo. D. Butler 1908-8-26 155 Siskiyou Dry land near Etna Comment
  SD75842  Epilobium paniculatum var. jucundum Darley F. Howe 1969-8-31 4674 Siskiyou 7.0 miles north of Weed on road to Yreka. 1006 Comment
  CAS-BOT-BC33406  Epilobium siskiyouense Louis Cutter Wheeler 1934-8-14 3135 Siskiyou Siskiyou Mts., north side, White Mt. 1767 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  HSC46005  Equisetum hyemale subsp. affine J. P. Smith, Steve Selva 1970-7-16 4390 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC57810  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou S. bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  HSC46757  Equisetum laevigatum William J. Ferlatte 1968-6-8 1137 Siskiyou Big Flat, near campground 1524 Comment
  SD10034  Equisetum telmateia subsp. braunii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  UCR168481  Eragrostis orcuttiana L. C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC8  Eremogone congesta William J. Ferlatte 1966-6-23 121 Siskiyou Dorleska Summit 2134 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CHSC102561  Ericameria bloomeri L. P. Janeway 2009-8-4 9892 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  OBI55535  Ericameria bloomeri David J. Keil, Kathleen Keil 1992-7-24 23563 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  RSA78946  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18173 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  SD76187  Ericameria bloomeri Helen V. Witham 1969-10-4 543 Siskiyou Black Butte Summit, 1.5 miles southwest of Weed 1000 Comment
  SEINET5727124 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  SEINET5647875 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 f Siskiyou Along road to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  CAS-BOT-BC287491  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mts 1828 Comment
  CAS-BOT-BC287495  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Klamath Forest 1828 Comment
  CAS-BOT-BC287496  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Klamath Forest 1828 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
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  HSC5325  Ericameria nauseosa D. M. Thomson 1965-7-31 160 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  CAS-BOT-BC298252  Ericameria nauseosa var. oreophila Alice Eastwood 1922-10-23 11557 Siskiyou Yreka Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  CHSC72229  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC637126  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1868 Comment
  SEINET8687685 Image available Erigeron M. S. Baker s.n. Siskiyou Road to medicine Lake Comment
  HSC68172  Erigeron aliceae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5714 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC61781  Erigeron aliceae Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  JEPS94250  Erigeron chrysopsidis var. austiniae Vernon H. Oswald and Lowell Ahart 1998-6-11 9214 Siskiyou 1.5 mi s of the Rail Road crossing s of Mount Hebron (Klamath National Forest boundary on Old State Highway); Klamath National Forest boundary on Old State Highway 1295 Comment
  UCD131790  Erigeron compositus G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3254 Siskiyou 6 miles west of Gazelle. 1005 Comment
  JEPS93983  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass Lake); Dry Lake 1402 Comment
  JEPS47722  Erigeron filifolius W. B. and V. G. Cooke 1966-7-16 37217 Siskiyou above Bolam Station (shoulder of old logging road); Mt. Shasta 1676 Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  SD76176  Erigeron glacialis var. glacialis Helen V. Witham 1969-10-6 559 Siskiyou Kanaroo Lake, Scott Mountains 2100 Comment
  UC895897  Erigeron inornatus var. inornatus Alice Eastwood 1912-7-15 1118 Siskiyou McCloud Comment
  CAS-BOT-BC295461  Erigeron klamathensis John Thomas Howell 1939-8-6 15101 Siskiyou Elk Mt., Marble Mts. Comment
  HSC57392  Erigeron klamathensis G. L. Clifton, Griswold 1979-7-26 10126 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UC556436  Erigeron linearis R. D. Roseberry 1936-5-21 Siskiyou 1 mi ne Whitney Butte; Modoc Lava Beds 1447 Comment
  CAS-BOT-BC295810  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  CAS-BOT-BC295814  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CHSC71471  Erigeron pumilus var. intermedius Vernon H. Oswald; Lowell Ahart 1998-7-21 9331 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. West edge of pit. 1402 Comment
  UC1034642  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou between Weed and Gazelle; Shasta Valley 914 Comment
  CAS-BOT-BC300312  Erigeron tener Alice Eastwood 1912-8-30 2011 Siskiyou Mount Eddy Comment
  SBBG17643  Eriodictyon californicum M. A. Piehl 1956-8-14 Siskiyou rd near Happy Camp Comment
  LA88832  Eriogonum baileyi var. baileyi 1966-9-11 s.n. Siskiyou Comment
  HSC69010  Eriogonum compositum Maralyn A. Renner 1980-7-24 2033 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC248839  Eriogonum compositum var. compositum Doris K. Kildale 1928-7-2 5338 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  UC195190  Eriogonum compositum var. compositum Annie M. Alexander and L. Kellogg 135 Siskiyou 6 mi nw Callahan Comment
  CHSC99723  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 B Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  HSC19482  Eriogonum diclinum J. O. Sawyer 1969-6-2 1008 Siskiyou Summit above Albert Lake 2256 Comment
  UC77428  Eriogonum elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamathon Comment
  CAS-BOT-BC255728  Eriogonum elatum var. elatum Gilbert J. Muth 1969-8-6 1244 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC255732  Eriogonum elatum var. elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamath on Siskiyou County line Comment
  CAS-BOT-BC261218  Eriogonum hirtellum Doris K. Kildale 1929-7-20 8568 Siskiyou South Fork of Indian Creek near old dam 10 miles up from Happy Camp 457 Comment
  SEINET5330458  Eriogonum luteolum J. L. Reveal, Mark L. Reveal 1975-8-15 3949 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Daggett Creek Road on the west slope of Cedar Cove, about 2.2 miles north of California Highway 96, Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  HSC42988  Eriogonum marifolium J. P. Smith, Steve Selva 1970-8-8 4560 Siskiyou Comment
  SEINET530686  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Castle Lake, ridge to south. Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  UC454352  Eriogonum marifolium I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  UC849522  Eriogonum marifolium John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  HSC27107  Eriogonum nudum var. nudum Carl W. Mize 1972-6-21 60 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  SEINET7064425  Eriogonum nudum var. nudum A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of weed. (NAD83/WGS84). UTM Zone 10, 543207mE, 4591515mN. 902 Comment
  RSA237756  Eriogonum nudum var. nudum Frederick W. Oettinger 1967-8-21 301 Siskiyou Along Pine Lake Trail. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  CHSC75738  Eriogonum nudum var. pubiflorum Vernon H. Oswald; Lowell Ahart 1999-7-5 9824 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UCD100721  Eriogonum nudum var. pubiflorum Robert E. Preston 1995-6-18 886 Siskiyou Irongate Reservoir, 1/4 mile SW of mouth of Jenny Creek, on road cut. 731 Comment
  JEPS25537  Eriogonum pyrolifolium Rimo Bacigalupi with Lincoln Constance 1959-6-16 7153 Siskiyou above Panther Meadow (just e of Ski Lodge; sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  UC1540137  Eriogonum pyrolifolium Dean Wm. Taylor, Rexford E. Palmer 1987-8-8 9259 Siskiyou Lyons Peak Medicine Lake vocanic highland region, Lyons Peak 2407 Comment
  SEINET530696  Eriogonum pyrolifolium Paul Opler 2008-7-8 Siskiyou Panther Meadows. 2438 Comment
  HSC17430  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide above Kangaroo Lake 1921 Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  CAS-BOT-BC267941  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Cr. 914 Comment
  CAS-BOT-BC267945  Eriogonum umbellatum L. E. Detling 1950-6-10 6625 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 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
  CAS-BOT-BC267980  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC267984  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC267992  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  HSC68577  Eriogonum umbellatum var. argus Maralyn A. Renner 1980-6-8 804 Siskiyou Slopes E of Hwy. 3 1341 Comment
  RSA211275  Eriogonum umbellatum var. argus William J. Ferlatte 1967-8-23 1083 Siskiyou Head of Kidd Creek, east side of Black Mtn. 2439 Comment
  SEINET10825698 Image available Eriogonum umbellatum var. argus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3955 Siskiyou Siskiyou Co. Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Raod 40S01). 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail, on sandy-gravel soil associated with Abies and Lupinus, in open places or near low shrubs. Sec. 19, T.47N., R.9W. 2042 Comment
  NY803677  Eriogonum umbellatum var. lautum J. L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  UC909327  Eriogonum umbellatum var. lautum Dorothy Parker 1948-8-2 161 Siskiyou 1 1/2 mi from Etna (along Etna Creek); Scott Valley, Etna Creek 896 Comment
  SEINET1004221 Image available Eriogonum umbellatum var. modocense Mark Fishbein, Lane Greer 2006-1 5879 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 1990 Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  JEPS56124  Eriogonum vimineum W. L. Jepson 1940-6-23 19979 Siskiyou Yreka 822 Comment
  CAS-BOT-BC376589  Eriophorum crinigerum Andrew Townesmith; Karen M. Meyer 2007-8-1 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  SEINET8850152 Image available Eriophorum gracile H. E. Brown 1897-7-15 628 Siskiyou South side of Mt. Shasta 1524 Comment
  RSA105497  Eriophyllum lanatum Douglas Barbe 1955-7-26 264 Siskiyou NW slope of Scott Mt. 1829 Comment
  UC195374  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou near Wagon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  UC472272  Eriophyllum lanatum var. achilleoides H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  UC507154  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 mi s of Bray Comment
  UC726554  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou e side Mt. Eddy Comment
  CAS-BOT-BC301123  Eriophyllum lanatum var. achilleoides L. E. Smith 1914-4-25 640 Siskiyou Yreka Comment
  CAS-BOT-BC301452  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1912-7-17 1193 Siskiyou Sisson Comment
  CAS-BOT-BC308277  Eriophyllum lanatum var. integrifolium W. B. Cooke; V. G. Cooke 1966-7-16 37211 Siskiyou Road above Black Butte Station, Mt. Shasta 1219 Comment
  UC796438  Eriophyllum lanatum var. integrifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11860 Siskiyou 2.4 mi below summit Gazelle Mt. Grade (e side) 1417 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  RSA14500  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-9-7 3952 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  CAS-BOT-BC308305  Eriophyllum lanatum var. obovatum Ira L. Wiggins 1955-7-29 13585 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  HSC43468  Erodium cicutarium Maralyn O'Meara 1974-5-25 379 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  UC166140  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-6-20 1050 Siskiyou Yreka, field near Comment
  UC1094384  Eryngium articulatum R. C. Bacigalupi with S. Galen Smith June 1957 5972 Siskiyou ca. 2 mi. n. Weed (along Hwy. 99) 1036 Comment
  HSC21490  Eryngium articulatum Doris K. Kildale 1925-9-7 1301 Siskiyou Klamath between Somes Bar and Happy Camp Comment
  CAS-BOT-BC54571  Erysimum capitatum Alice Eastwood; John Thomas Howell 1934-4-20 1792 Siskiyou 4 miles north of Weed. 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
  JEPS53582  Erysimum capitatum var. capitatum Geo. D. Butler 1909-5-8 724 Siskiyou near Yreka Comment
  RSA530364  Erysimum capitatum var. capitatum N. G. Sugihara 1977-5-28 77 Siskiyou 0.3 mile towards Sawyers Bar from Hwy 96. 1067 Comment
  CAS-BOT-BC55107  Erysimum perenne John Thomas Howell 1937-7-24 13382 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  CHSC33275  Erysimum repandum R. E. Preston 1981-5-2 61 Siskiyou On a roadside cut, ca. 50 m n of Camp Creek where it joins Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  CHSC88394  Erythranthe guttata Jenny Marr 1993-7-1 153 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  SEINET14375314  Erythranthe primuloides D. Paraker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  RSA96730  Erythronium Percy C. Everett, E. K. Balls 1954-10-13 20283 Siskiyou Canyon Creek above junction of trails to Kangaroo Mountain and West Fork Seiad Creek, 6.6 miles northeast from Highway 96 671 Comment
  HSC103344  Erythronium citrinum var. roderickii Thomas W. Nelson, Susan Erwin 2006-5-5 9299 Siskiyou Along road from Sunflower Flat to Bear Creek Trailhead, 0.7 mi. from junction with State Route 3 on Forest Service Rd. 39N62 956 Comment
  CHSC2261  Erythronium grandiflorum var. pallidum V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  CHSC86257  Erythronium klamathense Martin J. Lenz 2003-5-1 2 Siskiyou North Fork Bear Creek, 3.1 mi NW of Pondosa. UTM: Zone 10. 606070E 4564100N. 1276 Comment
  SD126059  Eucephalus breweri Steve Morgan 1987-7-28 Siskiyou Shasta-Trinity National Forest. McGinnis Springs, 5 miles north of McCloud, south of Mt. Shasta Comment
  JEPS41319  Eucephalus ledophyllus Ruby Van Deventer 1938-7-31 38 Siskiyou s of, sw of Poker Flat Lookout Mountain (Twin Valley Trail) 1219 Comment
  UC893627  Eurybia radulina A. A. Heller 1915-8-24 12206 Siskiyou ne base of Mt. Eddy, Metcalf's Ranch Mt. Eddy 1188 Comment
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Sep 7 2006
  HSC29204  Eurybia radulina Frederick W. Oettinger 1969-8-29 1563 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; above 'Willow Springs' between Abbott's Upper Cabin and English Lake 1677 Comment
  RSA47648  Festuca californica Roxana S. Ferris, Laura Lorraine 11798 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC283181  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
  RSA656726  Festuca idahoensis Barbara L. Wilson 1996-6-21 8153 Siskiyou Shasta-Trinity National Forest; Coonrod Flat, 1.4 miles straight east of Forest Service road 13 on Forest Service road 40N12. Comment
  HSC19418  Festuca occidentalis J. O. Sawyer 1969-7-26 1576 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  CHSC61574  Festuca pratensis L. P. Janeway 1983-8-26 602 Siskiyou Siskiyou Mountains; at Poker Flat, front edge of upper part of the meadow. 1524 Comment
  CAS-BOT-BC278638  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC447518  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  SEINET7417489 Image available Frangula californica A. A. Heller 1916-1 12490 Siskiyou E side of Mount Eddy Comment
  SBBG19298  Frangula californica subsp. occidentalis M. A. Piehl 1956-8-14 Siskiyou near jade mine, vicinity of Happy Camp Comment
  CAS-BOT-BC53419  Frangula californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley 883 Comment
  CAS-BOT-BC60022  Frangula purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, ne. base of Mt. Eddy in moist soil in the forest. 1188 Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. Comment
  CAS-BOT-BC5528  Frasera albicaulis var. nitida Alice Eastwood 1921-7-24 10711 Siskiyou Castle Lake Comment
  CAS-BOT-BC223579  Fraxinus latifolia A. M. Vollmer; L. Beane 1951-6-2 46 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  RSA74739  Fraxinus latifolia Albert M. Vollmer, L. Beane 1951-6-2 46 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
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Aug 20 2012
  UC15019  Fritillaria affinis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  POM109753  Fritillaria affinis Geo D. Butler 1910-4-23 1225 Siskiyou [no additional locality information] Comment
  HSC36928  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1409213  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou nw of Upper English Lake (vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  UC1733719  Fritillaria pudica Frank Gould, Kay H. Beach 1940-5-15 1244 Siskiyou Bull Meadows Comment
  UC1258453  Galium aparine Maralyn A. Renner 1980-6-25 1115 Siskiyou West Fork of Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  UC164089  Galium aparine Geo. D. Butler 1908-7-19 1000 Siskiyou Humbug Creek Comment
  UCR104584  Galium aparine J. A. Alexander, F. N. McBain, N. A. Alexander 1996-3-31 484 Siskiyou Along an old road on the north side of Pioneer Bridge, California Highway 263, Shasta River Canyon, Shasta River 1000 Comment
  RSA238877  Galium aparine Frederick W. Oettinger 1969-8-1 1131 Siskiyou N of Wire Grass Meadow. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  HSC69398  Galium bifolium Maralyn A. Renner 1980-8-8 2449 Siskiyou Rattlesnake Meadow 1646 Comment
  UC144572  Galium bolanderi A. A. Heller 1905-6-15 8034 Siskiyou near Sisson Comment
  JEPS52691  Galium bolanderi Lauramay T. Dempster 1963-9-2 3918 Siskiyou Happy Camp Rd 7 mi s state line Comment
  JEPS52697  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6138 Siskiyou 4.7 mi sw Callahan (on road to Cecilville, s-facing slope) Comment
  JEPS124616 Image available Galium boreale B. Corwin 1964-7-1 1127 Siskiyou On west side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  CHSC57454  Galium boreale subsp. septentrionale L. P. Janeway 1984-6-21 861 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. 594 Comment
  HSC69045  Galium glabrescens Maralyn A. Renner 1980-8-7 2345 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SEINET1910268  Galium glabrescens Barbara Ertter 1990-1 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 fairmiles W of Mt. Shasta City. 1890 Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  JEPS125865  Galium porrigens var. porrigens Dean W. Taylor 1996-7-10 15771 Siskiyou Head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley, about 10 air miles E of Etna Comment
  JEPS83626  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 934 Siskiyou FS. Rd. 40N03 about 0.6 mi ne Hwy. 3 (above road at Hayes Gulch); Klamath National Forest, Scott River District, China Mt. SW 1350 Comment
  HSC44379  Galium triflorum Maralyn O'Meara 1973-6-25 236 Siskiyou Music Creek 1463 Comment
  HSC60826  Galium triflorum Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo (Bell Echo Camp); in Young's Valley 1159 Comment
  CAS-BOT-BC182231  Garrya fremontii Carl B. Wolf 1927-8-26 1045 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  JEPS24790  Garrya fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6799 Siskiyou shore of Castle Lake (headwaters of Sacramento River); Sacramento River 1661 Comment
  UC1951262  Garrya fremontii Robert F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  HSC30236  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat near campground 1524 Comment
  POM212181  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou Four miles above junction of McCloud Road with the Pacific Highway. 1189 Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC30574  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  JEPS66597  Gaultheria ovatifolia W. L. Jepson 1907-7-10 2878 Siskiyou Klamath Range near Preston Peak (Kelsey Trail, w Siskiyou County); Klamath Range, Kelsey Trail Comment
  UC718018  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek-Dry Lake Lookout Siskiyou Mts., Klamath River (13 1/2 mi from Horse Creek Bridge) 1524 Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  UC454602  Gayophytum heterozygum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC1122595  Gayophytum racemosum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Dorris Quadrangle Comment
  UCD169045  Gentiana newberryi B. Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south Fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC217414  Gentiana plurisetosa C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  RSA238871  Gentiana plurisetosa Frederick W. Oettinger 1967-8-5 242 Siskiyou North of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 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
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  UC172723  Geum aleppicum Katharine Brandegee 1887-7-1 Siskiyou Sisson Comment
  UC375378  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  HSC223  Gilia capitata William J. Ferlatte 1966-8-17 403 Siskiyou NW side of Caribou Mtn. 1829 Comment
  JEPS82471  Gilia capitata subsp. capitata Gilbert Muth 1966-7-8 371 Siskiyou Marble Valley Meadow , Marble Valley Meadow (Marble Mt. Wilderness Area) 1792 Comment
  CAS-BOT-BC282715  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC282716  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  HSC22096  Glyceria elata J. O. Sawyer 1968-7-10 509 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  JEPS34044  Gnaphalium palustre W. L. Jepson 1940-7-3 20101 Siskiyou Big Bear Flat (large mdw. e 5 mi se of Bartle) Big Bear Flat 1219 Comment
  CDA6018  Gnaphalium palustre T. R. Haig, F. D. Horn 1979-9-19 Siskiyou Sharp Mountain Reservoir southeast of Mount Hebron. 0 Comment
  HSC19397  Goodyera oblongifolia J. O. Sawyer 1968-9-28 744 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  RSA237631  Goodyera oblongifolia Frederick W. Oettinger 1968-8-5 416 Siskiyou W end of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  CAS-BOT-BC388472  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  SEINET8196611  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far W end of town along the old highway to Yreka. 1036 Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  RSA167325  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou Near Oregon-California State Line, on the Takilma-Happy Camp Road. Comment
  HSC91990  Hastingsia alba Jennifer Whipple 1976-7-13 1456 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  UC796499  Hastingsia alba Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11730 Siskiyou French Creek Logging Road w Callahan; w of Callahan 1066 Comment
  CAS-BOT-BC504612  Hastingsia alba W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC504624  Hastingsia alba Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC69504  Hastingsia serpentinicola John S. Palmer 1980-7-24 651 Siskiyou Dillon Divide 1707 Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  CAS-BOT-BC302449  Hazardia whitneyi var. discoidea Gilbert J. Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge 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
  JEPS16962  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of the Sacramento River 2194 Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC1619966  Helenium bigelovii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9353 Siskiyou 5 air mi due w of Mount Shasta City (Morgan Meadows on e side of Mount Eddy); Mount Eddy, Morgan Meadows 1676 Comment
  HSC92209  Helenium bigelovii Jennifer Whipple 1976-7-24 1565 Siskiyou SW of Dobkins Lake along drainage into the lakes 2195 Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  CAS-BOT-BC305568  Helianthus bolanderi Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  JEPS107479  Heliotropium curassavicum Lowell Ahart, John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north 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
  HSC44962  Hemizonella minima J. O. Sawyer 1978-6-16 3225 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  POM52319  Hemizonia pungens subsp. pungens Geo D. Butler 1910-8-18 1840 Siskiyou Shasta Valley. Comment
  UC853277  Herniaria hirsuta subsp. hirsuta Louis C. Wheeler 1935-6-15 3588 Siskiyou 3 mi s Greenview (Scott Valley); Scott Valley 883 Comment
  OBI7192  Hesperocyparis bakeri Carl B. Wolf and E. R. Johnson, E. R. Johnson 1934-10-8 6166 Siskiyou Modoc Lava beds, 1 mi NE of Timbered crater on Old Stage rd from Dana to Little Hot Springs Valley 1219 Comment
  UC17265  Hesperolinon micranthum M. K. Curran July 1887 Siskiyou Sissons Comment
  SEINET10972516  Heterocodon rariflorum Oettinger 1966-8-18 OETTINGER 1427 Siskiyou VIC. ENGLISH PEAK, MARBLE MTN WILDERNESS, N OF HORSE RANGE LAKE OUTLET ON MOSSY DRIPPING ROCKS Comment
  CDA17142  Heterotheca oregona G. F. Hrusa 2001-6-6 15856 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  SEINET3166883  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou E of Etna. On road to Gazelle, just NE of CA-3; 9.8 km S of road to Managaroo Lake Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  JEPS29996  Heterotheca villosa var. minor Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7982 Siskiyou about 7 1/2 mi ne Weed (along US Hwy 97) 1127 Comment
  CAS-BOT-BC312296  Heterotheca villosa var. minor K. T. Stillman 1976-9-9 467 Siskiyou Marble Valley Guard Station, Marble Mountain Wilderness Area. 1737 Comment
  CAS-BOT-BC420709  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC681  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  HSC42952  Heuchera micrantha J. O. Sawyer, Ken Stillman 1976-7-1 2778 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 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
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  CAS-BOT-BC319687  Hieracium albiflorum L. E. Smith 1913-7-12 477 Siskiyou Mt. Eddy Comment
  JEPS82484  Hieracium albiflorum Gilbert Muth 1965-8-11 203 Siskiyou Black Mt. Marble Mt. Wilderness Area 1792 Comment
  UC1483492  Hieracium albiflorum J. Sawyer and J. Cole 1980-7-22 3927 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  SD98875  Hieracium albiflorum Darley F. Howe 1977-7-2 Siskiyou Scott River resort area 609 Comment
  UC92059  Hieracium greenei T. S. Brandegee Siskiyou Mount Shasta Comment
  RSA215623  Hieracium greenei Gilbert Muth 1969-8-7 1268 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  UC1223076  Hieracium greenei Joseph P. Tracy 1949-9-15 18559 Siskiyou Blue Ridge on road between Cecilville and Sawyer's Bar, near the summit; Salmon Mountains 1584 Comment
  CAS-BOT-BC316028  Hieracium scouleri Doris K. Kildale 1929-7-20 8633 Siskiyou Trail up South Fork of Indian Creek to Elk Lick 1371 Comment
  CAS-BOT-BC316032  Hieracium scouleri Annie M. Alexander; Louise Kellogg 1949-7-20 5812 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC320110  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta 2407 Comment
  HSC39818  Hieracium triste J. O. Sawyer 1969-8-2 1726 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC618676  Hieracium triste W. Bridge Cooke 1938-8-18 11500 Siskiyou above Horse Camp; Mount Shasta Comment
  HSC44722  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-18 2907 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC69308  Holodiscus discolor Maralyn A. Renner 1980-7-24 1980 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA237611  Holodiscus discolor Frederick W. Oettinger 1969-8-3 1142 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA449788  Holodiscus discolor Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  CHSC86644  Hordeum brachyantherum subsp. brachyantherum Jenny Marr 1993-7-1 27 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC197113  Hordeum marinum subsp. gussoneanum Geo. D. Butler 1908-6-25 470 Siskiyou near Yreka Comment
  CDA2203  Hordeum murinum subsp. leporinum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2781 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  UC197111  Hordeum murinum subsp. leporinum Geo. D. Butler 1908-6-25 487 Siskiyou near Yreka Comment
  CAS-BOT-BC143943  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  JEPS102921  Horkelia daucifolia Thomas W. Nelson and Jane P. Nelson 1985-6-20 7848 Siskiyou near Scott Mountain Pass (Along FS road 40N08, .5 mi e of junction with SR 3); Scott Mountaio Comment
  POM266007  Horkelia daucifolia Lincoln Constance 1942-5-13 2913 Siskiyou Scott River 2 miles S of Scott Bar. 549 Comment
  SEINET10736875 Image available Horkelia fusca var. brownii H. E. Brown 1897-7-15 Brown 530 Siskiyou Southwest side Mt. Shasta. 1524 Comment
  SBBG25898  Horkelia fusca var. parviflora D. Myrick 1966-8-9 1512 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC536225  Horkelia fusca var. parviflora John Thomas Howell 1939-8-8 15140 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS44556  Horkelia tridentata Willis L. Jepson Jul 24 1894-Aug 10 1894 120 p Siskiyou near Sisson; Region of the Upper Sacramento Comment
  SBBG15756  Horkelia tridentata D. Myrick 1961-6-22 315 Siskiyou Hwy 89 near McCloud Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  UCD77837  Hosackia oblongifolia Robert E. Preston 2002-7-11 1897 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  UC1540215  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou n end of Burnt Lava Flow 1706 Comment
  UC922469  Hydrophyllum occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5864 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  RSA105309  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  SBBG28011  Hymenoxys lemmonii L. C. Wheeling 1934-10-21 1934 Siskiyou 4 mi E of Grenada 853 Comment
  UC718165  Hymenoxys lemmonii Carl B. Wolf 1934-7-5 5976 Siskiyou 4 6/10 mi n Gazelle; Shasta Valley 822 Comment
  POM86619  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  RSA792304  Ipomopsis aggregata Rebecca Wenk 2008-7-23 905 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  RSA463113  Ipomopsis aggregata S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  HSC29285  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger, R. F. Thorne 1969-8-8 1282 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  CHSC63609  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6463 Siskiyou FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud. Edge of road. 1584 Comment
  RSA78832  Ipomopsis aggregata subsp. formosissima P. A. Munz 1952-7-2 17910 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  CHSC71882  Ipomopsis congesta subsp. congesta Vernon H. Oswald; Lowell Ahart 1998-9-8 9612 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  SEINET4898742  Iris chrysophylla J. Seely s.n. Siskiyou Klamath National Forest Comment
  CHSC96097  Isatis tinctoria L. P. Janeway 2006-7-3 8761 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  RSA724918  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; SW side of Taylor Lake Trailhead Road 0.8 km S of the main road; S-facing bowl at the head of Taylor Creek. 1804 Comment
  HSC91426  Isoetes bolanderi Jennifer Whipple 1976-9-4 1802 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC28737  Isoetes occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1268 Siskiyou Marble Mtn. Wilderness Area, W end of English Lake, shallow lake margin 1753 Comment
  UC165295  Isopyrum stipitatum Geo. D. Butler 1910-3-10 1120 Siskiyou near Yreka; near Yreka Comment
  POM98234  Isopyrum stipitatum Geo. D. Butler 1910-3-10 1120 Siskiyou Thickets in dry land near Yuka. Comment
  CAS-BOT-BC135375  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  CHSC106110  Juncus articulatus Lowell Ahart; John Dittes 2010-7-30 16962 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC46746  Juncus balticus subsp. ater William J. Ferlatte 1974-7-26 1597 Siskiyou Big Flat near S Fork of Salmon River, 100 m W of campground 1524 Comment
  HSC99798  Juncus bufonius C. B. Wolf 1927-8-26 1088 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  HSC22405  Juncus ensifolius J. O. Sawyer 1969-7-23 1444 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  UC1265483  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou n shore Uncle's Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  UC421842  Juncus ensifolius Geo. B. Grant Sep 1902 5229 Siskiyou Horse Camp Mount Shasta 2438 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
  CHSC82792  Juncus howellii L. P. Janeway 2002-7-12 7630 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
  CAS-BOT-BC127621  Juncus mertensianus Robert F. Thorne; Fred Oettinger 1969-8-10 38954 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta, Panther Creek Meadows. 2194 Comment
  CAS-BOT-BC127625  Juncus mertensianus Alice Eastwood 1921-7-25 10831 Siskiyou Bigelows, McCloud River. Comment
  HSC92868  Juncus mertensianus Jennifer Whipple 1977-7-21 2022 Siskiyou Near Durney Lake 2073 Comment
  RSA142676  Juncus nevadensis Phillip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  JEPS84037  Juncus parryi L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6428 Siskiyou ca 5 mi n Seiad Valley town (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  HSC74837  Juncus patens J. P. Smith, J. O. Sawyer 1978-7-3 10006 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 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
  HSC4853  Juniperus communis var. saxatilis J. O. Sawyer 1968-7-9 405 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CHSC32823  Juniperus occidentalis Dirk Reith 1979-4-10 4 Siskiyou 10 mi wsw of Newell, 2 mi sw of Tule Lake, in Lava Beds Nat'l Monument. 1371 Comment
  UCD133788  Juniperus occidentalis Jo Ann Olson; Gary R. Robbins 1969-2-15 7 Siskiyou Near U.S. Highway 97 in vicinity of Whitney Creek, north side of Mt. Shasta. 1127 Comment
  CHSC75660  Juniperus occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. On road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  RSA293279  Keckiella corymbosa D. C. Michener 1980-8-3 3772 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 5.5 miles south of Happy Camp [from jct with Elk Creek Rd.] 350 Comment
  UC1190128  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou between Cecilville and Forks of Salmon (hillside along South Fork of Salmon River); South Fork of Salmon River Comment
  HSC77232  Keckiella lemmonii L. P. Janeway 1983-8-21 577 Siskiyou FS Rd. 18N15, 3 mi. from FS Rd. 18N24 (Mill Creek Rd.) 1311 Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC273778  Koeleria pyramidata Geo. D. Butler 1910-7-3 1625 Siskiyou Unspecified 1219 Comment
  CAS-BOT-BC499654  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC340610  Lactuca serriola Wm. Bridge Cooke 1939-8-4 13798 Siskiyou Mount Shasta. Along the Sisson Southern Trail Comment
  OBI55446  Lactuca serriola David J. Keil 1992-7-20 23504 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  HSC68067  Lagophylla ramosissima J. P. Smith 1976-5-22 8788 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  NY8460  Lathyrus brownii H. E. Brown 1897-6-11 391 Siskiyou N side of Mt. Shasta, 5000-9000 ft. Comment
  CHSC33171  Lepidium campestre R. E. Preston 1981-5-2 54 Siskiyou At Camp Creek Recreation Area, on Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  CAS-BOT-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  RSA105500  Lepidium campestre G. D. Barbe 1955-6-29 31 Siskiyou 1 mile east of Callahan 976 Comment
  POM93965  Lepidium densiflorum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  RSA52437  Lepidium montanum var. canescens Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  JEPS74410  Lepidium virginicum var. pubescens W. B. and V. G. Cooke 1974-8-20 49242 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  RSA238566  Leptosiphon nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou Next basin east of Salamander Pond, near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  SD53408  Lessingia nemaclada Darley F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96 519 Comment
  UCD134102  Lessingia ramulosa James P. Smith; John Sawyer 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at turnoff to the Proctor Ranch. Comment
  RSA238392  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou N. end of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  SEINET11990952  Leucothoe davisiae I. Knight, Knight, W. 1983-1 4934 Siskiyou Outflow of Cliff Lake.Upper Sacramento River watershed 1768 Comment
  POM255861  Lewisia cotyledon Marion Ownbey, Ruth Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  JEPS87011  Lewisia kelloggii subsp. hutchisonii Wayne Roderick Jul 1976 Siskiyou Cook and Green Pass Siskiyou Mountains Comment
  CAS-BOT-BC444089  Lewisia leeana G. J. Muth 1969-8-10 1338 Siskiyou Ridge w. of Boulder Peak Comment
  HSC92945  Lewisia leeana Jennifer Whipple 1976-6-18 1041 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2378 Comment
  CAS-BOT-BC283818  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  UCD65621  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou Along creek near Yreka. Comment
  UCD65623  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou Low land near Yreka. Comment
  UC875079  Ligusticum grayi A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC58944  Lilium kelleyanum Marvin Butler 1971-7-19 148 Siskiyou Near El Capitan 1524 Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC509379  Lilium kelleyanum Alice Eastwood 1921-7-24 10784 Siskiyou Castle Lake Comment
  CAS-BOT-BC130814  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  JEPS22831  Lilium pardalinum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  RSA120208  Lilium pardalinum S. S. Tillett 1956-7-11 689 Siskiyou North side Scott Mountain divide near campground; Siskiyou-Trinity county line 1616 Comment
  CAS-BOT-BC130822  Lilium pardalinum Wayne Roderick 1967-7-24 s.n. Siskiyou Near Lily Pad Lake, n. of Seiad Valley 1676 Comment
  POM109713  Lilium pardalinum subsp. vollmeri Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  UC618680  Lilium washingtonianum unknown 1938-7-22 11328 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC133109  Lilium washingtonianum subsp. washingtonianum Wayne Roderick 1967-7-28 s.n. Siskiyou Southwest side of Mt. Shasta, type locality 1371 Comment
  SEINET882374 Image available Lilium wigginsii A. M. Vollmer, L. Beane 1954-1 1266 Siskiyou Siskiyou Mountains near Oregon border W of Hwy 99. Comment
  UC1409304  Linanthus harknessii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1294 Siskiyou near English Lake (Sundew bog, vicinity of English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC602588  Linanthus harknessii unknown 1937-8-6 9191 Siskiyou Mt. Shasta 1524 Comment
  HSC4909  Listera convallarioides J. O. Sawyer 1968-6-18 190 Siskiyou Above S Russian Creek on W side. 1463 Comment
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Jan 31 2013
  JEPS82736  Listera convallarioides Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  UC1408889  Listera convallarioides F. W. Oettinger 1969-8-12 1334 Siskiyou between Yellow Dog Creek and Abbott's Lower Cabin (stream spring at the Cedars, along Main North Fork Trail); Salmon Mountains 960 Comment
  RSA240069  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou At the Cedars, along the main North Fork Trail between Yellow Dog Creek and Abbotts Lower Cabin. The Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 960 Comment
  JEPS87856  Lithocarpus densiflorus var. echinoides Vernon H. Oswald and Lowell Ahart 1994-7-11 6408 Siskiyou 1.9 mi sw of the dam at Lake Siskiyou (Forest Road 26 (to Mt. Shasta) along this section of road); Forest Road 26 1036 Comment
  CAS-BOT-BC435473  Lithophragma glabrum Ira L. Wiggins 1959-5-28 12389 Siskiyou .3 mi. W of Carmen Lake 1706 Comment
  HSC35065  Lithophragma heterophyllum J. P. Smith 1974-5-25 7646 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CHSC36161  Lithophragma parviflorum K. Bridwell 1978-4-15 90 Siskiyou Along Copco Rd and n bank of Irongate Reservoir (upper Klamath River), ca. 15 mi ne of Hornbrook. 762 Comment
  JEPS47536  Lithophragma parviflorum Elna Long 1934-4-26 Siskiyou head of Sacramento River Shasta City (at Summer School of Chico State College); , Shasta City Comment
  HSC27650  Lithospermum californicum Carl W. Mize 1972-6-8 13 Siskiyou Along Wooley Creek Trail 328 Comment
  CAS-BOT-BC283562  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou Near Yreka Comment
  RSA715955  Lolium perenne L. Ahart 2005-6-10 12064 Siskiyou South edge of irrigation pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  SEINET4671424  Lolium perenne G. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  SEINET10903129  Lomatium dissectum LeRoy E. Detling 1947-6-4 Detling 6116 Siskiyou Slater Butte. 1067 Comment
  HSC76705  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-14 224 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  UC1400382  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope NW of Upper English Lake, high lake basins in the vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, western S 1844 Comment
  UC909516  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou margins Carmen Lake (ca. 1.5 mi. e.of Scott Mt. rd.) 1737 Comment
  RSA452573  Lomatium engelmannii Christopher Davidson 1975-6-5 2680 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  CAS-BOT-BC211157  Lomatium howellii Doris K. Kildale 1929-7-20 8624 Siskiyou South Fork Indian Creek to Elk Lick 1219 Comment
  HSC22216  Lomatium macrocarpum J. O. Sawyer 1969-8-2 1711 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC68496  Lomatium macrocarpum Maralyn A. Renner 1980-6-22 882 Siskiyou Slopes N of Little Shasta River 1372 Comment
  POM82359  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  LA53040  Lomatium peckianum Lincoln Constance; Emil diFulvio 1962-4-17 3751 Siskiyou 5.2 mi. S of Yreka 792 Comment
  UC1552568  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2112 Siskiyou 5 1/2 mi NW of Weed (0.1 mi N of Edgewood Road on access road to Airport & Freeway Rest Area, E side of frontage road, 100 yds E of Hwy I-5) 893 Comment
  JEPS109652  Lomatium tracyi Dean W. Taylor 2002-6-29 18203 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  CDA15574  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Siskiyou Mountains; S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. Comment
  HSC42234  Lonicera conjugialis J. D. Mastrogiuseppe 1974-9-2 161 Siskiyou Above Kidd Creek. 1951 Comment
  HSC4900  Lonicera conjugialis J. O. Sawyer 1968-7-10 460 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS109701  Lonicera conjugialis Dean W. Taylor 2002-7-20 18260 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  CAS-BOT-BC240639  Lonicera hispidula P. C. Everett; E. K. Balls 1959-10-24 23943 Siskiyou 3 mi. sw. from Red Bank F.S. Camp along road from Sawyers Bar to Somesbar [Somes Bar] 518 Comment
  RSA537277  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-18 4602 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  CAS-BOT-BC243920  Lonicera involucrata var. involucrata M. S. Baker 1925-9-7 120 a Siskiyou Near Soda Sp. Range. Sta. Comment
  CAS-BOT-BC243924  Lonicera involucrata var. involucrata Dorothy Parker 1950-6-7 456 Siskiyou Along Scott River 853 Comment
  CAS-BOT-BC200968  Lotus L. R. Abrams 1926-7-4 11229 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  UC163679  Lotus humistratus Geo. D. Butler 1910-7-3 1623 Siskiyou Goosenest foothills Goosenest 1219 Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  JEPS75659  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou Yreka Comment
  UC862214  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12110 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC76969  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  UC1971262  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou PRESTON PEAK: Summit ridge. North side. Comment
  UCR80256  Luetkea pectinata L. C. Wheeler 1934-8-14 3121 Siskiyou Siskiyou Mtns., 1 mile west of White Mt. 1921 Comment
  SEINET5766232 Image available Lupinus E. B. Copeland 1903-1 3887 Siskiyou Sisson [Mount Shasta] Comment
  JEPS85699  Lupinus albicaulis Geo. D. Butler 1908-8-3 372 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  CDA27353  Lupinus albicaulis var. shastensis C. S. Giebner 1963-7-31 Siskiyou Kerr property, Flying K Ranch, Quartz Valley, ca. 2 miles south of Mugginsville. 0 Comment
  HSC43827  Lupinus albifrons Maralyn O'Meara 1974-5-27 483 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC598747  Lupinus albifrons C. Hart Merriam 1898-8-20 168 Siskiyou Horse Camp Mt. Shasta (Mt. Shasta); , Horse Camp Comment
  RSA0003354  Lupinus albifrons Geo D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  SEINET7042816 Image available Lupinus albifrons A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  CAS-BOT-BC195962  Lupinus albifrons var. albifrons Lewis S. Rose 1945-6-18 45074 Siskiyou Horse Creek & Klamath River 502 Comment
  SEINET10491224  Lupinus albifrons var. albifrons Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 687 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper and artemisia, purshia and arctostaphylos 1250 Comment
  UC82285  Lupinus albifrons var. collinus Dr. E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  CAS-BOT-BC196322  Lupinus albifrons var. flumineus D. B. Dunn; B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N. of Weed, on U.S. Hwy 97, at Whitney Creek 1249 Comment
  JEPS104846  Lupinus andersonii Dean W. Taylor 1996-6-28 15753 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  CHSC82825  Lupinus angustiflorus L. P. Janeway 2002-7-13 7640 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  CAS-BOT-BC196375  Lupinus argenteus var. heteranthus Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  HSC60157  Lupinus breweri D. L. Goforth 1979-7-7 228 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  CAS-BOT-BC215170  Lupinus croceus R. C. Barneby 1954-5-17 11533 Siskiyou 5 miles above Callahan, Scott Mountains 1249 Comment
  CAS-BOT-BC215174  Lupinus croceus H. P. Bracelin 1931-6-21 466 Siskiyou N side of Mount Eddy, Dobkin's Lake, Near Mount Shasta City 1828 Comment
  JEPS26527  Lupinus croceus Lauramay T. Dempster 1961-7-3 1867 Siskiyou se Callahan; w face of Scott Mountain Comment
  JEPS74515  Lupinus croceus W. J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine Trinity Alps, Yellow Rose Mine 1981 Comment
  UC683332  Lupinus klamathensis Mrs. H. P. Bracelin 1931-6-21 470 Siskiyou n side Mt. Eddy (below Dobkin's Lake); n side of Mt. Eddy below Dobkin's Lake 1584 Comment
  UC1409222  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou slope n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC144499  Lupinus latifolius var. viridifolius C. F. Baker 1903-8-13 3887 Siskiyou Sisson Comment
  UC1481385  Lupinus lepidus var. lobbii B. J. Cox and D. B. Dunn 1971-6-9 2808 Siskiyou on U.S. Hwy 97 Weed; n of Weed Comment
  UCD108430  Lupinus lepidus var. lobbii Jack Major 1961-7-14 651 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  UC1034068  Lupinus lepidus var. sellulus W. Bridge Cooke 1941-8-18 16189 Siskiyou Mount Shasta Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  HSC71450  Lupinus luteolus J. P. Smith, Steve Selva 1970-8-9 4576 Siskiyou In potato fields W of Macdoel. Comment
  SEINET10488769  Lupinus luteolus James P. Smith, Steven B. Selva 1970-8-9 Smith, Jr. 4576 Siskiyou T.46n, r.2w, sec.14. Disturbed roadside in potato fields w of macdoel. Comment
  JEPS105207  Lupinus microcarpus var. microcarpus Dean W. Taylor 1995-6-4 14962 Siskiyou 2 miles southeast of Montague; Shasta Valley Wildlife Management Area; Little Shasta River 853 Comment
  CAS-BOT-BC7543  Lupinus onustus Amos Arthur Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  RSA215652  Lupinus polyphyllus subsp. polyphyllus Gilbert Muth 1969-8-11 1366 Siskiyou On slope beneath high point of ridge south of Boulder Peak. 2317 Comment
  UC922628  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1948-9-9 5607 Siskiyou Trail to Taylor Lake (meadow); Siskiyou Mountains Comment
  POM24578  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek. Comment
  HSC74871  Lupinus sellulus var. artulus J. P. Smith, Jennifer Whipple 1978-7-2 9971 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  RSA50195  Lupinus sellulus var. artulus E. K. Balls 1949-7-8 13909 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  HSC42909  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-28 2722 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC67951  Luzula comosa J. P. Smith 1973-5-5 6513 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC436699  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC540705  Luzula comosa var. laxa Dana York 2012-7-21 3137 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  RSA238892  Luzula comosa var. laxa Frederick W. Oettinger 1969-7-16 1034 Siskiyou Just NE of Abbotts Lake outlet. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC22261  Luzula divaricata J. O. Sawyer 1969-7-23 1188 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  CHSC96086  Luzula parviflora L. P. Janeway 2006-7-3 8756 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  UC843145  Luzula parviflora John Thomas Howell 1939-8-9 15228 Siskiyou ridge s Marble Valley (Marble Mts.); , ridge s of Marble Valley Comment
  HSC21257  Lycium barbarum R. C. Wunner 1965-7-10 380 Siskiyou Lava Beds National Monument, Indian Well Ranger Station and around superintendent residence 1454 Comment
  UC163701  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  UC163804  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou near Yreka Comment
  HSC74925  Lythrum hyssopifolia J. P. Smith 1978-7-1 9960 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  HSC90703  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  UC1096809  Madia citriodora Milo S. Baker 1957-6-16 13159 Siskiyou from turn off near Callahan (5-6 mi from turn off) Comment
  HSC30476  Madia elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou At Ft. Jones Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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  RSA153447  Madia elegans subsp. elegans Francia Chisaki, Helen Sharsmith 1959-8-20 4737 Siskiyou On Wildcat Creek road ca. 4 miles west of Callahan 1067 Comment
  HSC43032  Madia exigua J. O. Sawyer, Ken Stillman 1976-7-2 2805 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  OBI55544  Madia glomerata David J. Keil, Kathleen Keil 1992-7-24 23569 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line Comment
  SEINET11601402 Image available Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC343443  Madia gracilis Carl B. Wolf 1934-7-6 5981 Siskiyou SW. slope of Mt. Shasta. 1/4 mi. E. of Mt. Shasta City 1097 Comment
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  POM362188  Madia gracilis subsp. gracilis M. B. Dunkle 1945-8-2 9282 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  SEINET10474823  Madia minima Mary Susan Taylor 1980-7-8 Taylor 3113 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  UC89419  Madia sativa subsp. dissitiflora T. S. Brandegee July 1887 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  RSA285715  Mahonia nervosa D. C. Michener 1980-8-3 3766 Siskiyou Along Sulpher Creek below the Sulpher Creek forest service campground (& hot springs). Comment
  HSC98145  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-7-24 1479 Siskiyou SW of Sugar Lake 1890 Comment
  CAS-BOT-BC512760  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  CAS-BOT-BC512764  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-15 1091 Siskiyou Mccloud Comment
  CAS-BOT-BC514181  Maianthemum stellatum Geo. D. Butler 1910-5-15 1343 Siskiyou Mcadam Creek Comment
  CAS-BOT-BC514185  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  CAS-BOT-BC514186  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  POM109395  Maianthemum stellatum Geo D. Butler 1910-5-15 1343 Siskiyou McAdam Creek Comment
  CAS-BOT-BC347359  Malacothrix floccifera Roxana S. Ferris; Laura Lorraine 1948-6-12 11756 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  JEPS80607  Malva neglecta Gilbert Muth 1966-8-1 479 Siskiyou Marble Mountain Wilderness Area, Marble Valley Horse Pasture Marble Mountain Wilderness Area; , Marble Valley Horse Pasture 1792 Comment
  CHSC91369  Marrubium vulgare Lowell Ahart; John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 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-BC271151  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  CHSC36113  Melica californica K. Bridwell 1978-4-14 83 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  HSC5  Melica fugax William J. Ferlatte 1966-6-23 127 Siskiyou Yellow Rose Mine. 1982 Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  HSC22263  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC92631  Melica stricta Jennifer Whipple 1976-7-8 1362 Siskiyou N to NE facing steep granite bluff with scree. 2317 Comment
  HSC34134  Melica subulata J. O. Sawyer 1969-8-3 1939 Siskiyou Alluvial terrace above Duck Lake Creek. 1921 Comment
  UCD88594  Melica subulata AHM 1955-7-29 55 R Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  UC164048  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  CDA36641  Mentzelia dispersa var. latifolia T. C. Fuller 1958-6-19 s.n. Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC428544  Micranthes aprica W. R. Dudley 1893-6-20 s.n. Siskiyou Opposite side of Castle Lake outlet Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  CAS-BOT-BC432853  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  UC166151  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  UC585133  Microseris nutans E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2009 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  RSA237492  Microseris nutans Frederick W. Oettinger 1969-7-11 966 Siskiyou Southeast-facing slope on English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1829 Comment
  HSC17119  Microsteris gracilis R. C. Wunner 1965-6-29 306 Siskiyou Lava Beds National Monument, below upper Caldwell Ice Cave along fire rd. 1433 Comment
  HSC36931  Microsteris gracilis J. P. Smith 1974-5-26 7559 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1409383  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou vicinity English Peak (English Lake, main camp site); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  RSA408133  Mimulus breweri Louis C. Wheeler 1935-6-27 3595 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  SEINET10570211  Mimulus breweri Mary Susan Taylor 1980-7-8 Taylor 3103 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  HSC27691  Mimulus guttatus Carl W. Mize 1972-6-8 41 Siskiyou Along main trail 366 Comment
  HSC61895  Mimulus guttatus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC164367  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  POM43710  Mimulus guttatus Edward Palmer 1892-7-13 2478 Siskiyou Mt. Shasta and vicinity. Comment
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  HSC36559  Mimulus moschatus J. O. Sawyer 1969-7-18 1379 Siskiyou Ridge above S Russian Creek 1921 Comment
  POM213937  Mimulus moschatus Unspecified 1934-6-9 s.n. Siskiyou Ney Creek, 1/8 mile from junction with Sacramento River. 732 Comment
  JEPS84017  Mimulus nanus var. nanus L. R. Heckard with J. Hickman et al. 1986-7-17 6502 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  UC796452  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11717 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowmans Valley (Noyes Valley) Comment
  HSC60146  Mimulus nanus var. nanus D. L. Goforth 1979-7-7 234 Siskiyou Klamath National Forest, Condrey Mtn., near Dear Camp 1860 Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  UC164258  Mimulus nasutus Geo. D. Butler 1910-5-29 1423 Siskiyou near Yreka Comment
  UC1023727  Mimulus primuloides Francis W. Pennell 1940-7-20 26202 Siskiyou w Bartle (Route 89) 1158 Comment
  UC1063014  Mimulus primuloides L. Whitney 1934-6-10 1 Siskiyou Antelope Creek Dorris Quadrangle, Tennant 1463 Comment
  UC27095  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  RSA237553  Mimulus tilingii Frederick W. Oettinger 1969-8-25 1542 Siskiyou West of Arrow Peak near Tom Taylor Cabin Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  HSC44715  Minuartia douglasii J. O. Sawyer, Ed Cope 1977-6-18 2514 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  RSA11895  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  HSC45195  Minuartia nuttallii subsp. gregaria J. O. Sawyer, E. Cope 1977-6-21 2988 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  POM208272  Minuartia nuttallii subsp. gregaria L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  NY342563  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou Along south side of State Route 3; 3.1 miles north of Scott Mountain Pass 1219.2 Comment
  CHSC86450  Mirabilis greenei Jenny Marr 1993-7-1 1 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA600376  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  CAS-BOT-BC433017  Mitella diversifolia D. E. Breedlove 1962-6-11 3350 Siskiyou Bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  CAS-BOT-BC433064  Mitella pentandra John Thomas Howell 1939-8-3 14965 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC433073  Mitella trifida Doris K. Kildale 1928-7-4 5478 Siskiyou 3 miles west of summit on road from Sawyers Bar to Etna Mills Comment
  JEPS8484  Mitella trifida Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3448 Siskiyou near Poker Flat (near summit of Takilma - Happy Camp road over Siskiyou Mountains, Del Norte - Siskiyou County line); rd over Siskiyou Mountains 1539 Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  CAS-BOT-BC435052  Mollugo verticillata Carl B. Wolf 1927-8-26 1091 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC22247  Monardella glauca J. O. Sawyer 1969-8-4 1837 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC221809  Monardella odoratissima Alice Eastwood 1912-7-19 1233 Siskiyou Mount Shasta Comment
  HSC69290  Monardella odoratissima Maralyn A. Renner 1980-7-24 1947 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC222172  Monardella odoratissima subsp. pallida W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  HSC2412  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn. 2470 Comment
  HSC42229  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1951 Comment
  UC883623  Monardella odoratissima subsp. pallida Lewis S. Rose 1937-7-25 37587 Siskiyou S. slope of Mt. Shasta. 1767 Comment
  RSA401674A  Monardella odoratissima subsp. pallida A. C. Life 1923-08 14593 Siskiyou near Mt. Shasta Comment
  SEINET10895198  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 346 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET10582375  Monardella siskiyouensis A. Graff 1993-7-24 Graff 351 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  SEINET10829416  Monardella siskiyouensis A. Graff 1993-7-24 Graff 355 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  RSA0022818  Monardella villosa Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou Well below timberline on east side of Mt. Shasta. Comment
  SEINET10498958  Monardella villosa subsp. subserrata Morris 1973-6-2 MORRIS 362 Siskiyou Jct of shasta and klamath rivers on hwy 263 Comment
  CDA23975  Montia dichotoma Vernon H. Oswald & Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  POM215874  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  RSA256710  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  JEPS127641  Montia parvifolia Jurriaan M. de Vos 2014-7-10 317 Siskiyou Klamath NF.Ca. 1.9 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  JEPS127642  Montia parvifolia Jurriaan M. de Vos 2014-7-10 314 Siskiyou Klamath NF.Ca. 0.4 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  CHSC61581  Muhlenbergia filiformis L. P. Janeway 1983-9-11 663 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along the dirt road. 1524 Comment
  RSA603014  Muhlenbergia filiformis L. C. Wheeler 1935-7-26 3703 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC461  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Josephine Lake basin 1677 Comment
  RSA795332  Myosotis laxa L. Ahart, John Dittes 2010-7-30 16944 Siskiyou About 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake., 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  JEPS93848  Myosurus apetalus Vernon H. Oswald and Lowell Ahart 1998-6-11 9221 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  SEINET209083 Image available Myriophyllum sibiricum L. C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi NW Montague. 762 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  UCD48387  Navarretia divaricata John M. Tucker 1974-7-28 4329 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1463 Comment
  POM74489  Navarretia intertexta Edward Palmer 1892-7-13 2451 Siskiyou Mt. Shasta and vicinity. Comment
  POM75063  Navarretia intertexta Geo D. Butler 1908-8-27 157 Siskiyou Oro Fino Comment
  CHSC71492  Navarretia intertexta subsp. intertexta Vernon H. Oswald; Lowell Ahart 1998-7-21 9334 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  UC1112262  Navarretia leucocephala subsp. minima R. C. Bacigalupi with S. Galen Smith 1957-6-26 5935 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  JEPS25653  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7295 Siskiyou about 4 mi nne Preston Peak (just e of Del Norte County line, Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  UC879890  Navarretia linearifolia subsp. linearifolia A. A. Heller 1915-7-18 12119 Siskiyou Metcalf's RAnch ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  POM75061  Navarretia pubescens Geo D. Butler 1909-5-10 740 Siskiyou Near Yreka. Comment
  CAS-BOT-BC219532  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  UC1560413  Nemophila parviflora E. Joyal and D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake); , Happy Camp-Takilma Road 1524 Comment
  CAS-BOT-BC219528  Nemophila parviflora Alice Eastwood 1923-5-18 11832 Siskiyou Shasta Springs Comment
  CAS-BOT-BC230556  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  RSA47797  Nemophila parviflora var. parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11739 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC24287  Nemophila pedunculata F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  CHSC63518  Nepeta cataria Vernon H. Oswald; Lowell Ahart 1994-8-1 6445 Siskiyou Old Hwy. 99 just S of Stewart Springs Rd., near Weed. 923 Comment
  HSC43147  Nicotiana acuminata Ken Stillman 1976-8-24 423 Siskiyou Along Klamath River at Williams Point. 366 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
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  JEPS11222  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou bluff s of lake at head of West Fork Wooley Creek West Fork Wooley Creek 1676 Comment
  HSC22484  Nuphar polysepala J. O. Sawyer 1969-8-1 1594 Siskiyou Above Horseshoe Lake 1921 Comment
  HSC36695  Oemleria cerasiformis Brent Whitely 1975-6-21 9 Siskiyou 223 Comment
  SEINET5345688  Oenothera deltoides var. piperi G. Butler Unknown 2000 Siskiyou No data. Comment
  UC61691  Oenothera elata subsp. hirsutissima Geo. B. Grant September 1902 5225 Siskiyou Sisson Mt. Shasta 914 Comment
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  HSC29319  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou Marble Mtn. Wilderness Area, N of English Peak on way down to Upper English Lake 1951 Comment
  HSC44587  Orthilia secunda Laura Witherspoon 1977-7-8 Siskiyou Periphery of Flint Valley 1341 Comment
  JEPS84025  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  JEPS9403  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-7-8 1680 Siskiyou Shackelford Creek 1371 Comment
  SEINET10702281  Orthocarpus cuspidatus subsp. cuspidatus Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 187 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  POM229936  Orthocarpus lacerus Louis C. Wheeler 1935-6-27 3611 Siskiyou Greenview, Scott Valley. 884 Comment
  UC166166  Osmorhiza berteroi Geo. D. Butler 1910-6-6 1453 Siskiyou Quartz Valley Comment
  UC642517  Osmorhiza berteroi W. Bridge Cooke 1939-6-23 13546 Siskiyou upper Wagon Camp meadow Mount Shasta Comment
  POM82773  Osmorhiza berteroi Geo. D. Butler 1910-5-30 1432 Siskiyou Humbug Creek. Comment
  RSA126288  Osmorhiza berteroi I. L. Wiggins 1955-7-21 13428 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  HSC34357  Osmorhiza occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7306 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  HSC36605  Oxalis trilliifolia Brent Whiteley 1975-6-29 108 Siskiyou 976 Comment
  CAS-BOT-BC413217  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC316752  Packera cana William Bridge Cooke 1939-8-10 13874 Siskiyou Scattered in a small colony along the west bank of Mud Creek Canyon. Upper Hudsonian Zone 2895 Comment
  JEPS69748  Packera cana W. B. and V. G. Cooke 1972-6-30 45421 Siskiyou near Upper Cougar Road (Military Pass Road); Mt. Shasta 1524 Comment
  JEPS82265  Packera cana Roger Raiche 1983-8-13 30594 Siskiyou near summit Mt. Eddy 2743 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-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC28833  Paeonia brownii A. A. Heller 1905-6-8 7994 Siskiyou Yreka Comment
  UCSC004604  Panicum dichotomiflorum subsp. dichotomiflorum Randall Morgan 2004-8-3 4272 Siskiyou Castle Crags State Park, Sacramento River Comment
  JEPS84272  Parnassia californica L. R. Heckard with J. Hickman 1986-7-16 6442 Siskiyou 5 mi n of the town of Seiad Valley (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  HSC2391  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175617  Parnassia palustris Doris K. Kildale 1929-8-24 9045 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CHSC106095  Pastinaca sativa Lowell Ahart; John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southwest of Grenada. 716 Comment
  CAS-BOT-BC202838  Paxistima myrsinites Roxana S. Ferris; Laura Lorraine 1948-6-12 117722 Siskiyou About 7 miles from Etna on Forks of Salmon Road 1818 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC202867  Paxistima myrsinites W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  HSC29127  Paxistima myrsinites Frederick W. Oettinger, R. F. Thorne 1969-8-7 1281 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, E side of English Lake Outlet 1768 Comment
  HSC48271  Paxistima myrsinites K. Stillman, P. Stekel May 1977 512 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  POM87425  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  RSA237270  Paxistima myrsinites Frederick W. Oettinger 1969-8-1 1137 Siskiyou Between English Lake and Wire Grass Meadow. English Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1280891  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Mt. Shasta City Comment
  RSA68859  Pedicularis aurantiaca A. E. Culbertson 1943-6-29 97 Siskiyou Castle Lake, 5434', in a north facing cirque with and abrupt 1000' backwall; 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC266648  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  UC794376  Pedicularis densiflora Lincoln Constance, Lee Bonar, Richard W. Holm and Carroll E. Wood Jr. 1949-5-21 3288 Siskiyou 10 mi s of Callahan; Scott Mountain Campground 1630 Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  POM208356  Pedicularis racemosa Louis C. Wheeler 1934-6-7 2659 Siskiyou North Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1311 Comment
  CAS-BOT-BC67687  Pellaea brachyptera Geo. D. Butler 1910-8-1 1820 Siskiyou Humbug Mt. 1371 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  RSA686824  Pellaea breweri M. B. Dunkle 1945-1 9216 Siskiyou Canyon Creek. Klamath National Forest, Marble Mtns. Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  CAS-BOT-BC67577  Pellaea mucronata L. E. Smith 1912-8-1 s.n. Siskiyou Near Mt. Shasta Comment
  JEPS81805  Penstemon Todd Keeler-Wolf 1982-8-15 682 Siskiyou .5 km sw Terrace Lake; sw of Terrace Lake 2042 Comment
  CDA41886  Penstemon anguineus T. C. Fuller 1974-9-24 20029 Siskiyou Above Reeves Ranch Spring, south slope of the Siskiyou Mountains. 0 Comment
  HSC29294  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Charmaine Lake 2024 Comment
  RSA238751  Penstemon anguineus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1171 -a Siskiyou Near outlet, south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCSB22041  Penstemon anguineus Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  UC1629928 Image available 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
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  UC27476  Penstemon davidsonii var. davidsonii Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  HSC76743  Penstemon deustus K. T. Stillman 1976-7-15 265 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA401795B  Penstemon deustus Donald Myrick 1968-6-27 2037 Siskiyou Rocky ledge just above Carter's Ranch, 5 miles south of Big Flat, head of Coffee Creek. 1677 Comment
  NY609829  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26169 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  SD104854  Penstemon filiformis Darley F. Howe 1979-6-25 5197 Siskiyou Somes Bar Comment
  CHSC4531  Penstemon gracilentus J. E. Bowlin 1967-7-18 38 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  NY600721  Penstemon gracilentus E. I. Applegate 1923-8-17 3831 Siskiyou About 10 miles northwest of Medicine Lake Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  UCSB27392  Penstemon gracilentus Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 2895 Comment
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta Comment
  NY601594  Penstemon heterodoxus var. shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along U.S. Highway 97, just south of Bray 1402.1 Comment
  UC642560  Penstemon heterodoxus var. shastensis W. Bridge Cooke 1939-7-13 13670 Siskiyou Panther Creek Meadows Mount Shasta, Panther Creek Meadows Comment
  HSC74864  Penstemon heterophyllus subsp. heterophyllus J. P. Smith, Jennifer Whipple 1978-7-2 9984 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS116586  Penstemon humilis var. humilis Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -015 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N15 unburned area within Hotlum Fire perimeter burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1219 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 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
  HSC72440  Penstemon laetus subsp. sagittatus J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  SEINET10744645 Image available Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-11 Brown 360 Siskiyou Collected North side Mt. Shasta. 1524 Comment
  SEINET11262164  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-6-28 4443 Siskiyou Cascade Range, Mt Shasta. On lava flow between Mt Shasta & Whaleback, along Andesite - Military Pass Rd ca 1 mi SE of jct US 97, ca 14.4 mi NE of jct US 97 & I-5 Bus. Loop in Weed.; 0 1433 Comment
  NY604564  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  UC887109  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou on U.S. Highway #97 near the western base Deer Mountain; near western base of Deer Mountain Comment
  CHSC31046  Penstemon newberryi M. S. Taylor; W. Overton 1980-7-8 3089 Siskiyou On n side of 40N43 at point in rd, ca. 2.4 mi w of its jct with 40N26 at w end of Lake Siskiyou. 1341 Comment
  RSA12565  Penstemon newberryi subsp. newberryi Carl B. Wolf 1934-7-6 6021 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  CAS-BOT-BC239332  Penstemon newberryi var. berryi L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  JEPS101482  Penstemon newberryi var. berryi Dean W. Taylor 1972-7-3 1611 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  JEPS5709  Penstemon newberryi var. berryi Dorothy Parker 1953-8-9 580 Siskiyou Salmon Mountain 1920 Comment
  JEPS23289  Penstemon newberryi var. newberryi Rimo Bacigalupi 1959-7-1 7207 Siskiyou western slopes at broadening base of mountain Mount Shasta 1676 Comment
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  LA28289  Penstemon newberryi var. sonomensis Harvey P. Chandler; June 1901 1599 Siskiyou near Marble Mountain 2133 Comment
  CHSC1880  Penstemon parvulus V. Holt 1943-7-10 Siskiyou Marble mountains. 1828 Comment
  POM256008  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  NY629986  Penstemon parvulus H. E. Brown 1897-6-15 471 Siskiyou Collected north side of Mt. Shasta 1524.0 Comment
  RSA238763  Penstemon parvulus Frederick W. Oettinger 1967-8-13 263 Siskiyou 1/8 miles east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2037 Comment
  CHSC31037  Penstemon rupicola M. S. Taylor 1980-7-8 3094 Siskiyou W end of Little Castle Lake, near where creek enters the lake. 1767 Comment
  RSA249720  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39006 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC54622  Penstemon speciosus H. M. Hall and E. B. Babcock June, 1903 4071 Siskiyou near Sisson (Mount Shasta); Sierra Nevada Mountains, Mt. Shasta 1066 Comment
  UC1090395  Perideridia bolanderi subsp. bolanderi Milo S. Baker 1957-6-16 13158 Siskiyou trip to Scott Mt. aftern turn-off near Callahan; North Coast Ranges Comment
  RSA237657  Perideridia howellii Frederick W. Oettinger, R. Thorne 1969-8-8 1309 Siskiyou West of English Lake above the main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC540701  Perideridia leptocarpa Dana York 2012-7-21 3130 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ridge above Echo Lake 1790 Comment
  HSC65426  Perideridia leptocarpa D. Reed 1980-8-19 306 Siskiyou Below switchback in FS 46N64 Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  JEPS121652  Perideridia parishii Kendra Sikes 2011-9-12 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SE aspect, over gabbro. China Mountain quadrangle. CLS_1A Comment
  RSA459100  Perideridia parishii subsp. latifolia M. B. Dunkle 9348 Siskiyou [Unspecified] 2439 Comment
  CAS-BOT-BC142701  Phacelia cookei W. B. Cooke; V. G. Cooke 1970-7-22 42690 Siskiyou Andesite Road, 0.5 mi. above Andesite turnoff of US-97 Mt. Shasta 1402 Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  UC1475690  Phacelia greenei Clifton and Ground 1978-6-13 1001 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1037 Comment
  UC735040  Phacelia greenei Lincoln Constance and Herbert L. Mason 1947-5-17 3200 Siskiyou summit of nw spur Scott Mountain 1828 Comment
  JEPS2076  Phacelia heterophylla subsp. virgata W. L. Jepson July, 1894 21058 Siskiyou Sisson Comment
  JEPS2080  Phacelia heterophylla subsp. virgata Geo. D. Butler 1909-5-8 743 Siskiyou near Yreka Comment
  UC726921  Phacelia heterophylla subsp. virgata A. A. Heller 1938-7-12 15256 Siskiyou on US Hwy 97 near western base of Deer Mountain Comment
  UC933387  Phacelia heterophylla subsp. virgata Annie M. Alexander and Louise Kellogg 1948-9-7 5591 Siskiyou at fork of road from Cecilville to first Lookout Siskiyou Mountains, Black Bear Summit 1524 Comment
  CDA40412  Phacelia heterophylla subsp. virgata Vernon H. Oswald & Lowell Ahart 1998-6-11 9181 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  RSA152172  Phacelia leonis Lincoln Constance, R. C. Bacigalupi, L. Heckard 1960-7-20 s.n. Siskiyou Twin Valley, 5 miles SW of Poker Flat, Siskiyou Mountains 1555 Comment
  JEPS2030  Phacelia mutabilis Willis L. Jepson 1894-8-4 21040 Siskiyou Horse Camp Comment
  UC711858  Phacelia mutabilis Roxana S. Ferris and Laura Lorraine 1941-8-11 10506 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  RSA68892  Phacelia mutabilis A. E. Culbertson 1943-7-10 65 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  HSC78325  Phacelia procera L. P. Janeway 1983-7-24 447 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  SEINET12280335  Phacelia racemosa Unknown 1879-1 Siskiyou near Shasta Mountain Comment
  JEPS107962  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC265816  Phalaris arundinacea Calvin McMillan; Malcom A. Nobs 1949-6-17 802 Siskiyou Grass Lake, Highway 97 Comment
  HSC103014  Phalaris arundinacea J. P. Smith 2014-6-6 13871 Siskiyou Along State Route 96 at the Wingate River Access to the Klamath River 307 Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  HSC19151  Philadelphus lewisii J. O. Sawyer 1969-7-11 853 Siskiyou Ravine above C.C.C. road. 1280 Comment
  RSA0097436  Philadelphus lewisii Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC250793  Phleum alpinum H. E. Brown 1897-6-11 445 Siskiyou North side of Mt. Shasta 2743 Comment
  SEINET516279  Phleum alpinum Vernon H. Oswald 1997-7-28 8788 Siskiyou SE of Medicine Lake on road 43N54 at a meadow 0.6 mi SE of Paynes Springs. 1920 Comment
  RSA239100  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow, Tom's Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  SJSU6499  Phlox adsurgens R. W. Trivelpiece 1972-6-24 130 Siskiyou Thompson Ridge 5 mi E of Indian Cr Fork of Klamath R c. 11 mi N of Happy Camp 1280 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
  UC1540131  Phlox gracilis Dean W. Taylor 1987-6-26 9078 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  UC1222726  Phlox gracilis Joseph P. Tracy 1951-6-16 19477 Siskiyou at crossing of Takilma and Happy Camp (near Oregon-California State line); Summit of the Siskiyous Comment
  SEINET5732304 Image available Phlox rigida Sandy Holloway 1963-1 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville.; Hawkinsville 914 Comment
  POM265887  Phlox speciosa subsp. occidentalis Lincoln Constance, Reed C. Rollins 1942-5-13 2912 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  RSA469943  Phlox speciosa subsp. occidentalis B. C. Templeton 1960-6-21 8551 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC135023  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  CAS-BOT-BC171212  Phoradendron serotinum subsp. tomentosum Doris K. Kildale 1929-5-31 9124 Siskiyou Cecilville, S Fork of Salmon River Comment
  CAS-BOT-BC56507  Phyllodoce empetriformis Lewis S. Rose 1925-8-3 s.n. Siskiyou Mt. Shasta Comment
  HSC19153  Phyllodoce empetriformis J. O. Sawyer 1969-7-2 995 Siskiyou Shore of Paynes Lake 1982 Comment
  HSC91335  Phyllodoce empetriformis Jennifer Whipple 1976-6-30 1212 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC60766  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC140603  Physocarpus capitatus Wm. Bridge Cooke 1940-7-12 15315 Siskiyou In the Box Canyon of the Sacramento near Mount Shasta City Comment
  RSA300521  Physocarpus capitatus Walter Wisura, John Dourley 1982-10-16 3874 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  UCSB13155  Physocarpus capitatus Breedlove, Dennis 1962-6-10 Siskiyou North bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 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-BC73430  Picea breweriana J. G. Lemmon 1889-10-18 s.n. Siskiyou Siskiyou Mts., near Waldo. Comment
  CAS-BOT-BC78166  Picea breweriana W. R. Dudley 1899-7-5 s.n. Siskiyou North slope of Siskiyou near Bartlett trail Comment
  CAS-BOT-BC78171  Picea breweriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  CAS-BOT-BC73438  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Siskiyou county. 1524 Comment
  UC1220342  Picea engelmannii H. G. Baker 1963-7-5 Siskiyou w Russian Creek; Sawyer's Bar District, Blake's Fork Meadow 1676 Comment
  UCD134308  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Siskiyou County. 1524 Comment
  CAS-BOT-BC73396  Pinus albicaulis John Thomas Howell 1937-7-24 13436 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC103158  Pinus albicaulis Michael Kauffmann 2013-8-9 22 Siskiyou West Haight Mountain 2541 Comment
  HSC19111  Pinus albicaulis J. O. Sawyer 1969-7-10 1297 Siskiyou Ridges E of Russian Peak 2256 Comment
  LA6021  Pinus albicaulis Wm. Bridge Cooke; 1939-8-22 13884 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC1045296  Pinus albicaulis W. B. Cooke 1940-8-8 15454 Siskiyou on the ridge e Horse Camp; Mount Shasta 2590 Comment
  CAS-BOT-BC78327  Pinus attenuata W. B. C. 1938-8-19 11534 Siskiyou Below Wagon Camp 1676 Comment
  RSA12507  Pinus attenuata C. B. Wolf 1934-7-4 5929 Siskiyou 3/10 mile below Walker Creek, Klamath River. Comment
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  UC1585380  Pinus balfouriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 72 Siskiyou cirque above Deadfall Lakes (near Trinity Co. line); Mt. Eddy 2440 Comment
  CAS-BOT-BC78698  Pinus jeffreyi Doris K. Kildale 1928-8-20 6610 Siskiyou summit of divide at Lily Pad Lake - trail to Marble Mt. 2133 Comment
  RSA237212  Pinus lambertiana Frederick W. Oettinger 1969-8-24 1538 Siskiyou 0.1 mile north of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1768 Comment
  HSC31520  Pinus lambertiana Steve Selva, Roger Jensen 1974-8-26 58 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC78955  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy 1524 Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UCD134814  Pinus monticola J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
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Mar 6 2015
  JEPS101155  Piperia unalascensis Dean W. Taylor 1996-6-18 15700 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC40752  Pityopus californicus Ed Cope 1977-7-16 130 Siskiyou Marble Mountain Wilderness Area. 2 1/2 mi. from beginning (at Lick Creek) on Johnson's Hunting Grounds Trail. Bulk Collection 114 1707 Comment
  UC163844  Plagiobothrys greenei Geo. D. Butler 1909-4-30 668 Siskiyou near Luk<?> Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  UC726461  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's Prairie Comment
  CAS-BOT-BC231005  Plagiobothrys hispidulus Alice Eastwood 1923-5-23 11911 Siskiyou Shasta Springs, railroad tracks to Sisson Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  CDA40664  Plagiobothrys tenellus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2630 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  JEPS7128  Plantago lanceolata W. L. Jepson 1940-6-22 19970 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  RSA715660  Plantago lanceolata L. Ahart, John Dittes 2005-6-10 12118 Siskiyou On 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. 777 Comment
  HSC30626  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above trail near Young's Cabin on N Fork of Salmon River, Salmon Mts. Comment
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC61843  Platanthera dilatata var. leucostachys Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC136654  Platanthera stricta Louis C. Wheeler 1934-8-10 3092 Siskiyou Field redacted by CAS, contact the data manager for more information 1371 Comment
  HSC68348  Plectritis ciliosa J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC41084  Plectritis congesta J. O. Sawyer 1970-3-4 2070 Siskiyou N of Idlewild Campground. 762 Comment
  SEINET10960596  Poa A. Arthur Heller 1919-6-25 Heller 13266 Siskiyou Compton's prairie, north base of Mt. Eddy in the yellow pine belt. An almost treeless grassy area, well watered by the small streams forming the Shasta river. 1158 Comment
  HSC30565  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  HSC92164  Poa bolanderi Jennifer Whipple 1976-9-4 1807 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  CAS-BOT-BC254993  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Railroad Station, Montague Comment
  JEPS105022  Poa cusickii subsp. epilis Dean W. Taylor 1996-7-26 15838 B Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed; Klamath National Forest; Klamath region 2316 Comment
  RSA239030  Poa cusickii subsp. epilis Frederick W. Oettinger 1968-8-3 449 Siskiyou Slope between Upper English Lake and trail to English Peak and Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2165 Comment
  HSC69043  Poa piperi Maralyn A. Renner 1980-8-7 2349 Siskiyou Klamath National Forest, S of Rattlesnake Meadow. 1799 Comment
  LA12604  Poa pratensis Jason Swallen; 1939-8-8 13847 Siskiyou Mount Shasta, near the spring over flows at Horse Camp 2438 Comment
  SEINET10717135  Poa pratensis Paul M. Peterson 2006-8-9 Peterson 19764 Siskiyou E. Side of Taylor Lake, Russian Wilderness. Edge of woods, with Veratrum viride, Pteridium aquilinum, Alnus, Abies, Aconitum columbianum, Rumex acetosells, Solidago, Phleum alpinum, Danthonia, Deschampsia and Juncus. 1979 Comment
  UCD91939  Poa pratensis A. H. Murphy 1959-7-21 59 F Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UC1151684  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou summit between Bear Creek and Toad Lake; Shasta Nat'l Forest 2346 Comment
  UCD91764  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  CDA32653  Poa sandbergii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2651 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  CHSC93550  Poa secunda subsp. juncifolia Lowell Ahart; John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC102706  Poa secunda subsp. juncifolia J. P. Smith 2013-6-17 13739 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  HSC77024  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-25 52 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CAS-BOT-BC243223  Poa secunda subsp. secunda Douglas Barbe 1959-7-4 530 Siskiyou N shore of Caribou Lake, about 4 miles SW of Big Flat Camp, Klamath National Forest 2103 Comment
  JEPS45828  Poa secunda subsp. secunda Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek) Comment
  JEPS84090  Poa secunda subsp. secunda L. R. Heckard with S. D'Alcamo, and J. Hickman 1986-7-16 6388 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  HSC69266  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-19 3694 Siskiyou Near FS Rd. 45N05 2018 Comment
  UC538028  Polemonium chartaceum David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
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Jul 22 2018
  JEPS60240  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou on U.S. Highway 97 0.8 mi s Bray junction; Murphy Wells, s of Bray junction 1493 Comment
  HSC27592  Polygala cornuta Carl W. Mize 1972-6-21 69 Siskiyou Along trail about 3/8 mi. from corner 343 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
  JEPS95388  Polygala cornuta var. cornuta Vernon H. Oswald and L. Ahart 1994-8-1 6417 Siskiyou T39N R5W Sec. 10, 4400 ft, Yellow Pine Forest. 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 1341 Comment
  POM86388  Polygala cornuta var. cornuta Edward Palmer 1892-7-12 2471 Siskiyou Mt. Shasta and vicinity Comment
  SEINET10885041  Polygala cornuta var. cornuta Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  RSA96064  Polygala cornuta var. cornuta Percy C. Everett, E. K. Balls 1954-10-10 20260 Siskiyou Highway 89, 6.8 miles west of McCloud on road to the town of Mt. Shasta 1174 Comment
  UC454280  Polygonum bistortoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  POM104639  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek 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
  CAS-BOT-BC95028  Polygonum davisiae R. C. Wenk 2005-7-19 325 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC454081  Polygonum davisiae I. J. Condit 1909-8-23 Siskiyou Castle Lake Sisson 2133 Comment
  HSC708  Polygonum douglasii William J. Ferlatte 1967-8-19 1036 Siskiyou South Fork of Salmon River, between campground and Carter's. 1524 Comment
  JEPS51268  Polygonum douglasii Geo. D. Butler 1908-7-20 195 Siskiyou Humbug Creek Comment
  UC1026908  Polygonum douglasii subsp. spergulariiforme W. Bridge Cooke 1940-6-7 15107 Siskiyou along Pacific Hwy near Black Butte Comment
  UC1045311  Polygonum lapathifolium W. Bridge Cooke 1940-7-12 15323 Siskiyou along Castle Lake rd near Mount Shasta City (near irrigation ditch) 1066 Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CHSC110955  Polygonum minimum B. Castro; L. P. Janeway 2007-7-29 1667 A Siskiyou High Cascade Range. Medicine Lake Highlands; about 0.5 mi W of Medicine Lake, 0.3 mi W on USFS Rd43N48 from its jcn with Rd 43N47 (which is the road to Schonchin Spring). 2075 Comment
  JEPS74500  Polygonum minimum W. J. Ferlatte 1966-8-18 417 Siskiyou between campground Carter's; Trinity Alps, South Fork of the Salmon River 1524 Comment
  UC166100  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  UC618598  Polygonum minimum W. Bridge Cooke 1938-9-8 11658 Siskiyou Squaw Creek Meadows 2590 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC418594  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  HSC30507  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Marble Mtn. Wilderness Area, NE side of creek bed, Tom Taylor Cabin 2043 Comment
  SEINET4335357  Polygonum minimum G. D. Butler 1910-7-13 1776 Siskiyou Shackerford Creek 1219 Comment
  RSA466413  Polygonum phytolaccifolium Louis C. Wheeler 1934-6-1 2604 Siskiyou Siskiyou Mountains; Mt. Diablo Mer. Head Jaynes Canyon. 1829 Comment
  UC1191237  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-18 13624 Siskiyou Grass Lake Comment
  JEPS77491  Polygonum polygaloides subsp. confertiflorum Susan Horner 1978-6-30 414 a Siskiyou about 4 mi sse of Hambone (road between 40N05 and Sand Flat Well, about 22 air mi ene of McCloud); ; 40N3E30 Comment
  UC454276  Polygonum polygaloides subsp. kelloggii I. J. Condit 1911-7-27 Siskiyou meadow above Castle Lake 1981 Comment
  CAS-BOT-BC420953  Polygonum sawatchense subsp. sawatchense Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CAS-BOT-BC237393  Polypogon monspeliensis Carl B. Wolf 1927-8-26 1083 Siskiyou On the Klamath River, 14 miles above Happy Camp Comment
  SBBG28173  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou 2 mi E of White Mtn 1920 Comment
  HSC69324  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 732 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC150381  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou near Sisson Comment
  POM22933  Polystichum lemmonii E. B. Copeland 1903-8-18 3813 Siskiyou Mount Eddy 1677 Comment
  UC334281  Polystichum lemmonii unknown 1878-7-12 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72393  Polystichum lemmonii Clare B. Hardham 1961-7-1 7991 Siskiyou White Mountain, Siskiyou Mountains Comment
  CAS-BOT-BC72512  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  HSC66086  Polystichum scopulinum M. Sacks 1977-10-4 16 Siskiyou S facing slope, N side of main rd. between Callahan and Cecilville, 6 mi. SW of Callahan 1463 Comment
  CAS-BOT-BC102962  Populus trichocarpa Alice Eastwood 1917-9-2 6687 Siskiyou Shasta Springs Comment
  JEPS80503  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail; Marble Mt. Wilderness Area, Marble Gap Trail 1828 Comment
  CHSC69075  Porterella carnosula Vernon Oswald; Lowell Ahart 1997-7-28 8806 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  UC416612  Porterella carnosula H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; about 10 mi (air) s of the Oregon boundary and about 11 mi (by road) n of Montague, northern Siskiyou Co. Comment
  RSA756938  Portulaca oleracea R. F. Thorne 1969-8-2 63346 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC61506  Potamogeton crispus Ruby Van Deventer Siskiyou Kelley Lake and Trail Comment
  UC637083  Potamogeton foliosus Edward Lee 1934-8-12 1238 Siskiyou near mouth of Walker Creek (s side of Klamath River, e end of Seiad Valley); Klamath River, Seiad Valley 426 Comment
  CDA16694  Potamogeton pectinatus G. F. Hrusa, M. Hooper 2001-7-1 15871 Siskiyou Klamath R.,ca. 1.5 mi. E of Ft. Goff Campground at Sluice Box river access. 350 Comment
  CDA848  Potamogeton pectinatus P. Zedeker 1964-7-28 Siskiyou Orr Lake, northwest of Bray. 0 Comment
  HSC103183  Potamogeton pusillus Dana York 2011-9-9 3089 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  JEPS41326  Potentilla breweri Ruby Van Deventer 1938-7-31 72 Siskiyou s Little Greyback Mountains (Poker Flat); s of Little Greyback Mountains, Poker Flat 1524 Comment
  UC329971 Image available Potentilla cristae unknown 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  UC1409358  Potentilla flabellifolia Frederick W. Oettinger 1968-9-5 718 Siskiyou se side Hancock Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  RSA237617  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou South of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA184695  Potentilla glandulosa subsp. ashlandica Gilbert Muth 1966-7-17 405 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  RSA134220  Potentilla glandulosa var. nevadensis Peter H. Raven 1956-9-4 10401 Siskiyou S side of Mt. Eddy 2561 Comment
  HSC90743  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-8 1343 Siskiyou SW of Dobkins Lake along drainage into the lake 2317 Comment
  RSA119332  Potentilla gracilis var. fastigiata S. S. Tillett 1956-7-11 684 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  UCD113809  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, ca. 22 miles northeast of Weed. Comment
  HSC69544  Prosartes hookeri Maralyn A. Renner 1980-8-6 2241 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC516388  Prosartes hookeri Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  JEPS83875  Prunella vulgaris var. lanceolata Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (trail to Lily Pad Lake); Siskiyou Mountains, vicinity Cook and Green Pass 1706 Comment
  UC1034608  Prunella vulgaris var. lanceolata Douglas Barbe 1955-6-29 40 Siskiyou on the s bank of Scott River 1.8 mi e Callahan; Klamath Mountains, bank of Scott River 975 Comment
  RSA68936  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-17 22 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  CAS-BOT-BC158200  Prunus emarginata Alice Eastwood 1923-5-18 11823 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158204  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Mts. 1127 Comment
  CAS-BOT-BC158241  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  HSC68389  Prunus emarginata Maralyn A. Renner 1980-6-26 1251 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC77117  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  RSA48221  Prunus emarginata Roxana S. Ferris 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  UC1540007  Prunus emarginata M. Mitchell 1936-6-8 6 Siskiyou Lava Beds National Monument, Irish Bridge Irish Bridge; Lava Beds National Monument, Irish Bridge 1417 Comment
  CDA26217  Prunus virginiana var. demissa G. D. Barbe 1973-8-14 1705 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Inter State 5. Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC29359  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou Marble Mtn. Wilderness Area, SE slope above English Lake 1890 Comment
  HSC37440  Prunus virginiana var. demissa John Rehling 1976-5-26 401 Siskiyou 3.1 mi. N of Callahan along SR 3 Comment
  UC144438  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC896906  Pseudognaphalium thermale Alice Eastwood 1912-7-21 1297 Siskiyou Sisson Comment
  UC143958  Pseudoroegneria spicata subsp. spicata Dr. E. B. Copeland 1903-7-4 3542 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  JEPS94101  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald and Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir 1112 Comment
  CAS-BOT-BC361902  Psilocarphus tenellus Lewis S. Rose 1945-6-18 45071 Siskiyou Horse Creek & Klamath River 502 Comment
  UCD91861  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  UC1738836  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9288 Siskiyou along Highway 161 8.3 mi W of Hwy 139, Lower Klamath Lake National Wildlife Refuge 1249 Comment
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Oct 8 2007
  CAS-BOT-BC147898  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  UC456120  Pycnanthemum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  HSC99616  Pyrola aphylla J. O. Sawyer 1969-7-11 856 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC29320  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Tobacco Lake 1890 Comment
  UC2062587  Pyrola dentata Belinda Lo with Alex Randolph-Lowe 2017-8-25 361 Siskiyou SISKIYOU COUNTY: Ash Creek Butte, southwest of Surprise Lake. Comment
  CHSC1411  Pyrola picta V. Holt 1932-7-25 Siskiyou Castle Lake. 1950 Comment
  SBBG25824  Pyrola picta D. Myrick 1966-8-10 1525 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC618900  Pyrola picta W. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta, along the Sisson Southern Trail Mount Shasta; , Sisson Southern Trail 1676 Comment
  UCSB22296  Pyrola picta Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  RSA768923  Pyrrocoma lanceolata var. lanceolata L. Ahart, John Dittes 2010-7-30 16969 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  OBI55398  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  UC1282019  Pyrrocoma racemosa var. pinetorum Louise Kellogg Aug 8 1953-Aug 9 1953 119 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  CAS-BOT-BC68649  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1371 Comment
  UC164395  Quercus chrysolepis Geo. D. Butler 1908-8-11 231 Siskiyou Shackleford Creek Comment
  UCD45700  Quercus douglasii Miss C. Hoak 1903-1 Siskiyou 16 mi S. of Ashland, Oregon, near Calif. Line- 3000 ft. up the Siskiyou. 914 Comment
  CAS-BOT-BC94654  Quercus garryana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC94660  Quercus garryana Lewis S. Rose 1945-6-22 45169 Siskiyou Beaver Creek & Klamath River 548 Comment
  CAS-BOT-BC62762  Quercus garryana var. breweri Doris K. Kildale 1929-7-20 8626 Siskiyou trail along South Fork Indian Creek to Elk Lick Comment
  UC1408906  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou due nnw Tobacco Lake (and w of the w cove of Hancock Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  UCD14454  Quercus garryana var. breweri John M. Tucker 1972-8-8 4245 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  RSA15598  Quercus garryana var. garryana Carl B. Wolf 1927-8-27 1109 Siskiyou Happy Camp, Klamath River. Comment
  RSA476805  Quercus garryana var. garryana Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  UC60993  Quercus kelloggii Geo. B. Grant Sep 1902 5197 Siskiyou Sisson Mount Shasta 914 Comment
  UCD46691  Quercus kelloggii Frank C. Vasek 1975-6-29 750629 9 Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  CAS-BOT-BC104341  Quercus sadleriana Baki Kasapligil 1981-6-26 6192 Siskiyou Around the Lake Bolan, Siskiyou Comment
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Jun 23 2018
  CAS-BOT-BC104345  Quercus sadleriana Oliver V. Matthews 1939-7-3 22 Siskiyou from upper limits of Sullivan Mine Grove of the Bakers Cypress region, Cook & Green Region 1219 Comment
  CAS-BOT-BC104346  Quercus sadleriana Arthur Menzies 1961-7-1 s.n. Siskiyou Cook & Green Pass, Siskiyou Mts., Klamath National Forest Comment
  CAS-BOT-BC104368  Quercus sadleriana Wayne Roderick 1981-7-4 s.n. Siskiyou Cook & Green Pass 1371 Comment
  POM106235  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West fork of Wooly Creek. Comment
  SBBG25343  Quercus sadleriana J. M. Tucker 1963-7-9 3735 Siskiyou ca. 0.75 mi E of Marble Valley Guard Stn, upper Cyn Crk, Marble Mtn Wilderness 1615 Comment
  SBBG47322  Quercus sadleriana J. T. Howell, G. H. True 1972-6-8 Siskiyou S of summit on rd from Takilma to Happy Camp Comment
  UC163743  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West Fork of Woolly Creek Comment
  UCD47217  Quercus sadleriana D. Sanchez-Mata 1992-11-1 s.n. Siskiyou Klamath National Forest. Happy Camp-O' Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  UCD47246  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp-Waldo (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  UCD47257  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  OBI69127  Quercus vacciniifolia Dieter H. Wilken, E. Painter 2000-8-10 15856 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  CHSC118654  Quercus vacciniifolia Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -022 Siskiyou Lower Parks Creek watershed, E Klamath Range. 42 N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 458666m N. 1478 Comment
  RSA399362  Ranunculus alismifolius var. alismellus M. B. Dunkle 9347 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  UC9358  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6 Siskiyou Medicine Lake; near shore Comment
  UC1265404  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Abbot's Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1767 Comment
  UC375270  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-9-15 447 Siskiyou in ditch near Yreka Comment
  UC61079  Ranunculus aquatilis var. capillaceus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  JEPS82477  Ranunculus eschscholtzii Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  HSC77008  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UC1540001  Ranunculus glaberrimus M. Mitchell 1936-5-21 46 Siskiyou Captain Jack's Cave Lava Beds National Monument 1341 Comment
  UCD77229  Ranunculus occidentalis Robert E. Preston 2001-6-30 1631 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  HSC26700  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1969-6-25 1181 Siskiyou Big Flat 1524 Comment
  SBBG2264  Ranunculus orthorhynchus var. orthorhynchus H. and M. Dearing 1939-6-5 3555 c Siskiyou E of McCloud 1066 Comment
  RSA237977  Raphanus sativus Frederick W. Oettinger 1969-8-14 1367 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  JEPS42066  Rhamnus californica Ruby Van Deventer 1938-6-26 169 Siskiyou near Windy Camp (Old Gasquet Road) 365 Comment
  JEPS94856  Rhamnus californica subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of its intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  CAS-BOT-BC56112  Rhamnus ilicifolia Dorothy Parker 1950-6-5 450 Siskiyou in McConnahue Gulch, Scott Valley 883 Comment
  UC1045317  Rhamnus ilicifolia W. Bridge Cooke 1940-6-20 15141 Siskiyou w of Pacific Highway (along Klamath River); Klamath River Comment
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  RSA78996  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-13 18184 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from Shasta (town of) to Castle Lake. 1524 Comment
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Jun 25 2012
  CAS-BOT-BC200669  Rhus aromatica H. E. Brown 1897-7-15 595 Siskiyou On the South side of Mt. Shasta 3048 Comment
  SEINET8042111  Rhus aromatica G. D. Butler 1910-6-29 1615 Siskiyou Near Yreka. Comment
  CAS-BOT-BC438003  Ribes Doris K. Kildale 1928-8-19 6575 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  UC166113  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  RSA29916  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1677 Comment
  CAS-BOT-BC108782  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou Eight miles north of Weed along U.S. Highway #97. Comment
  UC54303  Ribes cereum H. M. Hall and E. B. Babcock July, 1903 4106 Siskiyou ne shoulder Mount Shasta; Sierra Nevada Mountains 1828 Comment
  UCR47904  Ribes cereum 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
  RSA0024873  Ribes cereum E. K. Balls 1950-5-15 14703 Siskiyou Lava Beds National Monument, below Indian Wells Public Camp. 1402 Comment
  SEINET9296947  Ribes cruentum var. cruentum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  UC165267  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  HSC33959  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  RSA0021106  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA0021109  Ribes lacustre M. B. Dunkle 1944-7-26 9039 Siskiyou Siskiyou National Forest. 1829 Comment
  CAS-BOT-BC173383  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11781 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  UC1190176  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  UC165921  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackelford Creek Comment
  UC796488  Ribes lobbii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11768 Siskiyou about 6 mi from Etna (on Forks of Salmon Road) 1676 Comment
  HSC40026  Ribes marshallii J. O. Sawyer 1971-7-24 2422 Siskiyou Just N of Summit Lake 1860 Comment
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Dec 6 2013
  SEINET12220262  Ribes marshallii H. P. Chandler 1901-1 1549 Siskiyou near Marble Mountain, North Coast Ranges 1829 Comment
  SEINET10482942  Ribes nevadaense Mary Susan Taylor 1980-6-23 Taylor 2946 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  CAS-BOT-BC217877  Ribes nevadense Roxana S. Ferris; Laura Lorraine 1948-6-12 11802 Siskiyou At Mule Creek Crossing on Scott Mountain Road S of Callahan 1493 Comment
  CAS-BOT-BC198873  Ribes roezlii var. amictum L. E. Smith 1913-6-18 377 Siskiyou Castle Creek Comment
  HSC19374  Ribes sanguineum J. O. Sawyer 1968-9-13 705 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS49243  Ribes sanguineum Geo. D. Butler 1909-4-25 671 Siskiyou Quartz Valley Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC173908  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou Eight miles north of Weed along U.S. Highway #97 Comment
  SFV18060  Ribes velutinum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 km north of Lava Beds National Monument near Tule Lake Sump. 1220 Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  CAS-BOT-BC168790  Ribes viscosissimum Harley P. Chandler 1901-6-1 1597 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC168794  Ribes viscosissimum A. M. Vollmer; L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  HSC47  Ribes viscosissimum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin 1982 Comment
  HSC69001  Ribes viscosissimum Maralyn A. Renner 1980-7-28 2197 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS84057  Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6351 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  UC165938  Rorippa Geo. D. Butler 1909-5-29 783 Siskiyou near Yreka; near Yreka Comment
  CDA33348  Rorippa columbiae Dale Woods 2010-9-9 s.n. Siskiyou In the vicinity of Medicine Lake (Dry Lake). 0 Comment
  RSA26146  Rorippa columbiae J. William Thompson 1936-7-8 s.n. Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  CHSC75693  Rorippa curvisiliqua Vernon H. Oswald; Lowell Ahart 1999-7-5 9805 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn. 1188 Comment
  SBBG25913  Rorippa curvisiliqua D. Myrick 1966-8-9 1477 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA120877  Rorippa curvisiliqua G. D. Barbe 1955-8-4 349 Siskiyou 0.5 mile N of Big Flat at the head of Coffee Creek, at Trinity - Siskiyou Co line. The Klamath Mtns. 1524 Comment
  UCD115286  Rorippa curvisiliqua Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou along Canyon Creek, northeast of Marble Mountain. 1569 Comment
  CAS-BOT-BC146435  Rosa bridgesii Alice Eastwood 1912-7-20 1247 a Siskiyou Sisson Comment
  POM257520  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 miles above Happy Camp. 183 Comment
  CAS-BOT-BC146752  Rosa gymnocarpa Wm. Bridge Cooke 1938-6-24 11094 Siskiyou [MacBride] McBride Spring Road Comment
  SJSU6062  Rosa gymnocarpa R. W. Trivelpiece 1971-6-18 13 Siskiyou Little S Fork Salmon R c. 3 mi S of Cecilville, Salmon R Mts 609 Comment
  CDA38670  Rosa multiflora Larry Livesay 2013-4-23 PDR# 470 P06027592 Siskiyou East of Montague; on the west side of Lichens Rd., 0.25 miles north of Ball Mountain Road. Comment
  CAS-BOT-BC147067  Rosa pisocarpa Alice Eastwood 1912-9-4 2099 Siskiyou Sisson Comment
  CAS-BOT-BC147071  Rosa pisocarpa Alice Eastwood 1912-7-17 1166 Siskiyou Sisson Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC147053  Rosa pisocarpa L. E. Detling 1950-6-11 6631 Siskiyou Siskiyou Pass Comment
  JEPS109651  Rosa spithamea Dean W. Taylor 2002-6-29 18204 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  CAS-BOT-BC149737  Rosa woodsii subsp. ultramontana Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  CAS-BOT-BC147139  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  CAS-BOT-BC147979  Rubus leucodermis Wm. Bridge Cooke 1939-7-14 13698 Siskiyou Along the Sisson Southern Trail - Mount Shasta 1981 Comment
  HSC19435A  Rubus leucodermis J. O. Sawyer 1969-8-4 1922 Siskiyou South Sugar Creek 2043 Comment
  HSC36468  Rubus leucodermis J. O. Sawyer 1969-7-11 849 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC147309  Rubus parviflorus Gilbert J. Muth 1969-8-10 1353 Siskiyou Red Mountain Ridge Comment
  RSA237588  Rubus parviflorus Frederick W. Oettinger 1967-7-30 221 Siskiyou Near campsite at N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  JEPS116589  Rudbeckia klamathensis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -020 Siskiyou The Eddys, west of Mt. Shasta. Wet seep adjacent to unnamed tributary Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N Middle Fork crossing; Mt. Eddy 1693 Comment
  JEPS16949  Rudbeckia klamathensis Peter H. Raven 1956-9-5 10466 Siskiyou North Fork of the Sacramento River 1584 Comment
  SEINET5710612  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  SJSU2579  Rudbeckia klamathensis 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
  RSA105486  Rumex acetosella G. D. Barbe 1955-6-29 41 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  HSC64513  Rumex acetosella J. P. Smith 1973-5-5 6368 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC375327  Rumex crispus Geo. D. Butler 1908-6-25 513 Siskiyou near Yreka 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
  UCD92349  Rytidosperma penicillatum Howard B. Shontz 1940-8-15 s.n. Siskiyou Yreka. Comment
  HSC29621  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou Marble Mountain Wilderness Area, near Abbott's 1860 Comment
  RSA759838  Salix Robert F. Thorne 1969-8-2 63399 -b Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  HSC91344  Salix eastwoodiae Jennifer Whipple 1978-7-8 1378 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS80592  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  UC375236  Salix eastwoodiae Geo. D. Butler 1908-8-7 152 Siskiyou bank of lake at head of W. Fork Woody Creek Comment
  LA208557  Salix exigua var. exigua W. B. C.; 1940-6-20 15157 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  CAS-BOT-BC107654  Salix jepsonii Alice Eastwood 1921-7-24 10716 Siskiyou Castle Lake Comment
  HSC69200  Salix jepsonii Maralyn A. Renner 1980-7-24 2079 Siskiyou Lily Pad Lake 1768 Comment
  POM229947  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET4471747 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 bis Siskiyou Yreka Comment
  RSA0034682  Salix lasiandra H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  UCD111532  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1425 Comment
  CAS-BOT-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107080  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  CAS-BOT-BC107084  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 842 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  LA208781  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-21 469 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 300 km. below Dobkin's Lake 1650.0 Comment
  POM219895  Salix lasiolepis H. P. Bracelin 1931-6-19 422 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. 1500 Comment
  SBBG57842  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Metcalf Ranch, NE side of Mt Eddy, ca. 16 km NW of Shasta City Comment
  SD898  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North Side of Mount Eddy, about 21 km northwest of Shasta City, meadow 300 m below Dobkin's Lake 1650 Comment
  UC576390  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 843 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  RSA13759  Salix lasiolepis var. sandbergii Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station. Klamath River. Siskiyou Mtns. 671 Comment
  CAS-BOT-BC124893  Salix lemmonii A. A. Heller 13705 Siskiyou On the shore of Medicine Lake 2133 Comment
  LA208891  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-21 467 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 180 m. below Dobkin's Lake 1770.0 Comment
  SD953  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf ranch house 1455 Comment
  SBBG27416  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC482264  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC175655  Salsola tragus Wm. Bridge Cooke 1941-9-5 16257 Siskiyou Along the Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC175656  Salsola tragus Alice Eastwood s.n. Siskiyou Montague Comment
  CAS-BOT-BC235044  Sambucus W. R. Dudley 1901-8-21 s.n. Siskiyou Rush Creek, Meadows, Salmon Mts. Comment
  SEINET10814436  Sambucus caerulea Andrew Townesmith 2012-9-4 Townesmith 2402 Siskiyou Along California route 89, 4.0 miles east of intersection with Interstate 5. 1318 Comment
  UC1037474  Sambucus mexicana Douglas Barbe 1955-7-5 96 Siskiyou 5.7 mi s Etna (on French Creek Road); Klamath Mountains 883 Comment
  CAS-BOT-BC238877  Sambucus nigra subsp. caerulea Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley, Marble Mts. 1795 Comment
  CDA42179  Sambucus racemosa T. C. Fuller 1974-9-24 20025 Siskiyou Reeves Ranch Springs, ca. 2 miles south of Scraggy Mountain, Siskiyou Mountains. 0 Comment
  HSC22467  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1369 Siskiyou Above S Russian Creek. 2012 Comment
  POM90116  Sanguisorba annua Geo. D. Butler 1910-6-3 1468 Siskiyou [??] Valley Comment
  HSC68528  Sanicula graveolens Maralyn A. Renner 1980-6-24 1046 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  RSA237663  Sanicula graveolens Frederick W. Oettinger 1968-8-18 579 Siskiyou Just north of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1714597  Sanicula tuberosa W. Bridge Cooke 1940-7-5 15246 Siskiyou below Wagon Camp (Mount Shasta, along Wagon Camp Road); Mount Shasta, Wagon Camp Road 1737 Comment
  CHSC72236  Sarcobatus vermiculatus Vernon H. Oswald; Lowell Ahart 1998-8-16 9632 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC466231  Sarcodes sanguinea Doris K. Kildale 1929-7-20 8644 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CDA8575  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  UCR37585  Saxifraga ferruginea var. vreelandii L. P. Janeway 1983-9-11 653 Siskiyou Poker Flat 1524 Comment
  JEPS86118  Saxifraga integrifolia Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass Area, just e of Pass Cook and Green Pass Area 1371 Comment
  JEPS89175  Saxifraga integrifolia Gilbert Muth 1966-7-8 475 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Black Mountain 2057 Comment
  JEPS43065  Saxifraga marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou near Upper Cottei [i.e., Cuddihy] Valley; Marble Mountains, North Coast Ranges Comment
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Jun 23 2010
  HSC19458  Saxifragopsis fragarioides J. O. Sawyer 1969-8-2 1714 Siskiyou Summit W of Little Duck Lake 2409 Comment
  UC1736423  Saxifragopsis fragarioides Dean W. Taylor 1999-8-12 17318 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC283652  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  UC1100759  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-25 8283 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  CAS-BOT-BC35551  Scirpus congdonii John Thomas Howell 1939-8-7 15130 Siskiyou Sky High Valley, Marble Mtns. 1828 Comment
  UC1265458  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-7 1271 Siskiyou sandy beach English Lake (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); , Salmon Mountains, Marble Mountain Wilderness A 1752 Comment
  CDA2412  Sclerochloa dura C. S. Giebner 1963-5-6 Siskiyou Shasta Valley; Sedge Nelson property, opposite Game Refuge, Big Springs. 0 Comment
  CHSC86652  Scutellaria antirrhinoides Jenny Marr 1993-7-1 35 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC163835  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek 1219 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
  JEPS57135  Scutellaria nana L. R. Heckard 1967-7-5 1602 Siskiyou Bolam Mount Shasta (along logging road, n side of Mount Shasta) 1524 Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC90586  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1977-8-5 2186 Siskiyou Slopes near Little Crater Lake 2195 Comment
  POM259593  Sedum obtusatum subsp. boreale J. T. Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. 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
  HSC19432  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-22 537 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC69041  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-8-7 2354 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC64643  Sedum oregonense John Thomas Howell 1937-7-25 13450 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC104262  Sedum oregonense P. F. Zika 2011-7-19 25647 Siskiyou Klamath Range; Near Pacific Crest trail, 1 air mi. WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC66237  Sedum radiatum Maralyn A. Renner 1980-7-23 1822 Siskiyou Pacific Crest Trail, near ridge about 1 mi. E of Cook and Green Pass 1753 Comment
  JEPS83983  Sedum rosea subsp. integrifolium L. R. Heckard with J. Hickman et al. 1986-7-17 6520 Siskiyou e Condrey Mt. (Alex Hole, n facing cliffs); e of Condrey Mt., Alex Hole 1960 Comment
  UC1191515  Sedum stenopetalum Herbert L. Mason 1948-7-18 13627 Siskiyou Grass Lake Comment
  HSC99739  Selaginella scopulorum J. O. Sawyer 1969-7-25 1541 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  UC165416  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou foothills of Goosenest Mountain Goosenest Mountain Comment
  CAS-BOT-BC363940  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek Comment
  CAS-BOT-BC363944  Senecio integerrimus var. exaltatus Volney Rattan June 16 s.n. Siskiyou Siskiyou Mts. Comment
  RSA0124984  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U.S. Highway 97 12.3 miles south of Macdoel. Comment
  HSC34129  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 907 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS37650  Senecio integerrimus var. major W. L. Jepson 1907-7-5 2839 Siskiyou Marble Mt. Comment
  JEPS74472  Senecio integerrimus var. major W. J. Ferlatte 1966-6-23 147 Siskiyou Big Flat Trinity Alps 1524 Comment
  HSC22189  Senecio triangularis J. O. Sawyer 1969-8-4 1810 Siskiyou Above Sugar Lake 2134 Comment
  HSC69084  Senecio triangularis Maralyn A. Renner 1980-8-4 2217 Siskiyou Flint Valley 1390 Comment
  UC1483533  Senecio triangularis John Palmer 1980-8-12 689 Siskiyou se Wards Gap; Condry Mtn. Quad., Klamath National Forest 1188 Comment
  UC34193  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  HSC77282  Senecio triangularis L. P. Janeway 1983-7-6 386 Siskiyou Small tributary to Indian Creek 1037 Comment
  RSA183732  Senecio triangularis Gilbert Muth 1965-8-2 142 Siskiyou Meadow at Marble Valley. Marble Mountains. Comment
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  SEINET11971662  Sidalcea glaucescens M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  UC933364  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1948-9-9 5609 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake (lake shore and in meadows along trail) 1828 Comment
  POM253298  Sidalcea oregana subsp. spicata A. A. Heller 1938-7-13 15268 Siskiyou About a mile S. of Bray 1402 Comment
  CDA24093  Silene antirrhina Vernon H. Oswald & Lowell Ahart 1998-6-11 9180 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC174858  Silene campanulata subsp. campanulata A. M. Vollmer; L. Beane 1951-6-2 77 Siskiyou Happy Camp, Klamath River Highway Comment
  UC166111  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  HSC29623  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou Marble Mtn. Wilderness Area, N of Red Hill near outlet of Hancock Lake 1997 Comment
  HSC4178  Silene campanulata subsp. greenei Geo. D. Butler 1908-8-3 59 Siskiyou Canyon below Log Lake 1616 Comment
  RSA48002  Silene campanulata subsp. greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing n Scott Mountain Road south of Callahan. 1524 Comment
  RSA48582  Silene campanulata subsp. greenei P. A. Munz 1949-5-18 13306 Siskiyou 4 miles south of Callahan on road to Trinity Center. 1524 Comment
  SD61046  Silene douglasii Darley F. Howe 1964-8-4 3935 Siskiyou 9.0 miles south from entrance to Modoc National Forest on road to Medicine Lake. 2040 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  HSC69003  Silene grayi Maralyn A. Renner 1980-7-28 2162 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC74921  Silene grayi J. P. Smith, Jennifer Whipple 1978-7-2 9964 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  RSA233679  Silene grayi R. F. Thorne 1969-8-10 38964 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC1045268  Silene lemmonii W. B. Cooke 1940-6-7 15104 Siskiyou near Black Butte (along the Pacific Highway); near Black Butte, along the Pacific Highway 1219 Comment
  HSC64807  Sisymbrium altissimum J. P. Smith 1976-5-21 8776 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  CDA16173  Sisymbrium officinale G. F. Hrusa, T. D. Wilfred 1999-5-31 15072 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  CAS-BOT-BC133703  Sisyrinchium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  SEINET10611677 Image available Sisyrinchium bellum H. E. Brown 1897-6-11 Brown 351 Siskiyou Collected North Side Mt. Shasta, Siskiyou County. 1524 Comment
  UC1037372  Smilacina racemosa Douglas Barbe 1955-7-6 136 Siskiyou Taylor Lake Klamath Mountains, Salmon Mountains (along ne shore) 1950 Comment
  RSA237903  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  CDA34724  Solanum dulcamara L. Ahart, John Dittes 2010-7-3 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 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
  JEPS107961  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS93958  Solanum dulcamara Vernon H. Oswald and Lowell Ahart 1998-9-16 9637 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  NY821197  Solanum parishii W. B. Cooke 1940-6-6 15075 Siskiyou Along the Castle Lake Road 1676 Comment
  HSC28652  Solanum parishii Frederick W. Oettinger 1969-8-12 1347 Siskiyou Marble Mtn. Wilderness Area, along trail above Willow Springs 1677 Comment
  RSA211503  Solidago canadensis subsp. elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC365568  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Guard Station. Marble Mts. Comment
  CAS-BOT-BC365580  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Comment
  HSC34663  Solidago elongata Thomas W. Nelson, J. O. Sawyer 1974-10-29 1740 Siskiyou Hwy. 3, just S of Calaghan Comment
  UC163885  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  UC166190  Solidago elongata Geo. D. Butler 1908-8-10 310 Siskiyou Henry Shackleford Creek Comment
  RSA186321  Solidago multiradiata Gilbert Muth 1966-10-16 2 Siskiyou Marble Mountains 1793 Comment
  HSC27239  Solidago velutina subsp. californica J. P. Smith, J. O. Sawyer 1971-9-18 4812 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA237828  Sorbus californica Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1276 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  CAS-BOT-BC158929  Sorbus scopulina Gilbert Muth 1966-7-8 363 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CLARK-A1528-7822  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou Etna Comment
  HSC29471  Sorbus scopulina Frederick W. Oettinger 1969-8-25 1556 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  HSC45150  Sorbus scopulina J. O. Sawyer, E. Cope 1977-6-19 2957 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  HSC69211  Sorbus scopulina Maralyn A. Renner 1980-7-24 2082 Siskiyou Lily Pad Lake 1768 Comment
  SEINET5735644 Image available Sorbus scopulina J. M. Tucker 1963-1 3715 Siskiyou Vicinity of Paradise Lake, at base of King's castle on the E side.; Marble Mountain Wild. Area 1981 Comment
  CAS-BOT-BC149687  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  UC454958  Spiraea douglasii I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Sacramento River (along the Sacramento River) Comment
  CAS-BOT-BC152560  Spiraea splendens Alice Eastwood 1912-8-30 2039 Siskiyou Mount Eddy Comment
  HSC27981  Stachys pycnantha Carl W. Mize 1972-9-24 124 Siskiyou Along logging road 816 Comment
  HSC67726  Stachys rigida John Palmer 1980-8-12 688 Siskiyou SE of Ward's Gap. 1189 Comment
  CAS-BOT-BC175332  Stellaria borealis subsp. sitchana Wm. Bridge Cooke 1939-7-7 13623 Siskiyou At Wagon Camp Comment
  CAS-BOT-BC181417  Stellaria calycantha Wm. Bridge Cooke 1939-7-26 13746 Siskiyou West boreal spring above Panther Creek Meadows - Mount Shasta 2590 Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  CAS-BOT-BC375640  Stephanomeria lactucina Wm. Bridge Cooke 1938-7-29 11389 Siskiyou Mount Shasta. Howard Comment
  CAS-BOT-BC375644  Stephanomeria lactucina R. Tofsrud; J. M. Tucker 1948-8-4 1784 Siskiyou Ca. 1 1/2 miles north-west of McCloud Comment
  UCD78020  Stephanomeria lactucina Robert E. Preston 2001-8-26 1768 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2072 Comment
  UC166153  Stephanomeria paniculata Geo. D. Butler 1908-8-1 324 Siskiyou near Forest House Comment
  HSC46172  Stephanomeria virgata Jennifer Whipple 1978-8-15 2369 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC76767  Stipa occidentalis var. californica K. T. Stillman 1976-8-7 378 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  UC1282026  Streptanthus barbatus Louise Kellogg Aug 8 1953-Aug 9 1953 127 Siskiyou serpentine outcrop near Scott Mountain Public Campground; Scott Mountains, Klamath National Forest, Blue Point 1630 Comment
  CAS-BOT-BC87856  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Above Horse Camp and around the Horse Camp fountain overflow. 2438 Comment
  CAS-BOT-BC87865  Streptanthus tortuosus Margaret M. Hanna 1956-6-6 s.n. Siskiyou Glass Mountain. 2316 Comment
  HSC6948  Streptanthus tortuosus Lincoln Constance, R. C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 mi. S of Happy Camp 305 Comment
  SD53403  Streptanthus tortuosus Darley F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta 2440 Comment
  CAS-BOT-BC87877  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek. Comment
  UCD166859  Streptanthus tortuosus var. oblongus Robert E. Preston 2016-7-7 3059 Siskiyou 4.1 mi W of Forks of Salmon, along Salmon River Rd, opposite Bloomer Mine. 345 Comment
  HSC59933  Streptanthus tortuosus var. orbiculatus D. L. Goforth 1979-7-19 250 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  JEPS54030  Streptanthus tortuosus var. orbiculatus Willis L. Jepson 1894-8-4 13405 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  UC1601630  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta Comment
  UC162647  Streptanthus tortuosus var. orbiculatus Harley P. Chandler June 1901 1636 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  RSA184799  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  HSC67589  Swertia albicaulis var. nitida J. P. Smith, J. O. Sawyer 1972-6-30 5638 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  UC585194  Swertia albicaulis var. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1890 Siskiyou about 2 mi s Yreka 822 Comment
  CAS-BOT-BC234798  Symphoricarpos mollis Alice Eastwood 1912-7-24 1379 Siskiyou Castella Comment
  HSC18986  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1947 Siskiyou Along Sugar Creek. 1921 Comment
  HSC61152  Symphoricarpos mollis T. Jimerson, J. Pageau 1979-6-15 562 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  JEPS24629  Symphoricarpos mollis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6784 Siskiyou e of and a little above MacBride Springs (s slopes of Mount Shasta); Mt. Shasta 1432 Comment
  UC585185  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1921 Siskiyou about 7 mi sw Yreka (s of highway from Fort Jones to Yreka); Forest House Mt. 1371 Comment
  HSC58869  Symphyotrichum bracteolatum Marvin Butler 1971-8-31 309 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1220 Comment
  CAS-BOT-BC99035  Symphyotrichum cusickii Louis C. Wheeler 1934-8-14 3130 Siskiyou Siskiyou Mts. - North side White Mt. - Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC97877  Symphyotrichum eatonii W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows near McCloud Comment
  HSC61494  Symphyotrichum foliaceum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA273360  Symphyotrichum foliaceum var. foliaceum J. P. Smith, J. O. Sawyer 1972-9-14 5810 Siskiyou 3.6 miles west of State Route 3 on Road 8 1220 Comment
  HSC29235  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Marble Mtn. Wilderness Area, central areas of Wire Grass Meadow below English Lake 1677 Comment
  UC165284  Symphyotrichum frondosum Geo. B. Grant 1910-9-12 1873 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC98444  Symphyotrichum spathulatum Alice Eastwood 1921-7-28 10912 Siskiyou Medicine Lake Comment
  UC179693  Symphyotrichum spathulatum A. A. Heller 1914-8-25 11713 Siskiyou near, (opposite Black Butte) Deetz station 1158 Comment
  IRVC26651  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Shasta Valley; Grenada. 793 Comment
  HSC67940  Taraxacum erythrospermum J. P. Smith 1973-5-5 6489 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC85236  Taxus brevifolia Elmer I. Applegate 1895-5-28 650 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  HSC31985  Taxus brevifolia Steve Selva, Roger Jensen 1974-8-22 37 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  SEINET10872329  Taxus brevifolia H. E. Brown 1897-6-1 Brown 323 Siskiyou Collected near Sisson, Siskiyou County. 1084 Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  UC163881  Tetradymia canescens Geo. D. Butler 1909-6-27 955 Siskiyou Shasta Rim hills Shasta Rim Comment
  CAS-BOT-BC88061  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  CAS-BOT-BC344988  Thelypteris nevadensis Dana York 2013-6-14 3170 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 825 km N of Raspberry Lake just W of main trail 1575 Comment
  CAS-BOT-BC77737  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Klamath National Forest 1219 Comment
  SEINET10448380  Thlaspi montanum Mary Susan Taylor 1980-7-8 Taylor 3097 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  CHSC30904  Thlaspi montanum var. montanum M. S. Taylor 1980-7-8 3097 Siskiyou S end of Little Castle Lake, in cliffs. 1767 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  HSC36779  Thysanocarpus curvipes J. P. Smith 1974-5-25 7403 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC725936  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou along U.S. Highway #99 about 2 mi s Yreka; s of Yreka Comment
  SEINET10937952  Tofieldia glutinosa subsp. occidentalis Mary Susan Taylor 1980-7-22 Taylor 3173 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  UC1483561  Tofieldia occidentalis subsp. occidentalis Maralyn A. Renner 1980-6-26 1164 Siskiyou Klamath National Forest 1389 Comment
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Feb 9 2009
  RSA760959  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CHSC43139  Tolmiea menziesii R. Banchero 1982-8-17 649 Siskiyou Ca 6 mi n of Happy Camp. N 1/4 mi from jct of F. S. roads 18N16 and 18N22 along 18N22. 975 Comment
  HSC41041  Tonella tenella J. O. Sawyer 1970-3-4 2060 Siskiyou N of Idlewild Campground 762 Comment
  UCD93220  Torreyochloa pallida var. pauciflora Robert E. Preston 2003-7-28 2162 Siskiyou 17.3 miles NE of McCloud, at Trout Creek Campground. 1486 Comment
  CDA7718  Tragopogon dubius T. C. Fuller 1965-6-1 13590 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  POM56352  Tragopogon porrifolius Copeland 1903-8-4 3886 Siskiyou Sisson. Comment
  HSC61123  Trautvetteria caroliniensis Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  UC75636  Trientalis latifolia Miss Anna Conan Siskiyou Fort Jones Comment
  RSA801990  Trientalis latifolia Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 915 Comment
  UC164232  Trifolium albopurpureum var. albopurpureum Geo. D. Butler 1909-5-13 710 Siskiyou Klamath Hills Comment
  POM28721  Trifolium cyathiferum Edward Palmer 1892-7-13 2475 Siskiyou Mount Shasta and vicinity Comment
  UCD143686  Trifolium cyathiferum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat; between Happy Camp and O'Brien, Oregon. Comment
  UCSC008680  Trifolium cyathiferum Randall Morgan 2003-7-12 3012 Siskiyou Cleghorn Meadow, circa 13 road miles north of Highway 96 on Oak Knoll Ranger Station Road, +/- east of Klamath River Village 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
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  JEPS48899  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1909-6-22 918 Siskiyou Goosenest Mtn Comment
  UC163745  Trifolium hybridum Geo. D. Butler 1909-5-20 716 Siskiyou near Yukia (along creek) Comment
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Nov 25 2011
  HSC71445  Trifolium hybridum J. P. Smith, Steve Selva 1970-8-9 4581 Siskiyou In potato fields W of Macdoel. Comment
  HSC60772  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCD111253  Trifolium longipes A. C. Hoofer 1926-8-27 s.n. Siskiyou Siskiyou Mtn., Preston Peak Dist. Comment
  JEPS97189  Trifolium longipes var. elmeri Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95056 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
  UC630757  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy Comment
  UC618762  Trifolium longipes var. hansenii W. B. Cooke 1938-7-1 11151 Siskiyou below Wagon Camp; Mt. Shasta 1676 Comment
  JEPS48901  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  HSC92967  Trifolium productum Jennifer Whipple 1976-7-2 1277 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA91574  Trifolium productum J. T. Howell 13402 Siskiyou Caribou Basin, Salmon-Trinity Alps 1982 Comment
  UC375414  Trifolium repens Geo. D. Butler 1908-6-23 1036 Siskiyou Yreka Comment
  UC61695  Trifolium willdenovii Geo. B. Grant September, 1902 5072 Siskiyou Sisson Mount Shasta Comment
  RSA210810  Triglochin maritima Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39043 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CDA39375  Trillium chloropetalum F. D. Horn 1978-4-24 s.n. Siskiyou Van Horn Gulch near Fort Jones. 0 Comment
  HSC69029  Trillium ovatum Maralyn A. Renner 1980-7-28 2184 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  SEINET3888777  Trillium ovatum subsp. oettingeri Maralyn A. O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek loggin road, about 1/4 miles from confluence of Statute Lake Creek and Music Creek.; 0 1829 Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CAS-BOT-BC133489  Triteleia crocea A. M. Vollmer; L. Beane 1951-6-2 51 Siskiyou Road between Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  UCSB24892  Triteleia crocea Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  CAS-BOT-BC522333  Triteleia hyacinthina Ella Dales Cantelow 1937-8-16 1859 Siskiyou Summit of Scott Mt; Mt. Bog Comment
  UC454044  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  LA21975  Triteleia ixioides subsp. anilina Mary V. Hood; 1940-6-6 15083 Siskiyou Klamath Mountains, Castle Lake Road Comment
  CAS-BOT-BC526139  Triteleia laxa Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou County Comment
  CHSC27347  Tsuga mertensiana T. B. Devine 1976-10-23 365 Siskiyou 1/8 mi ne of Little Duck Lake. 1950 Comment
  NY64387  Tsuga mertensiana I. L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Prinitive Area 2042.2 Comment
  RSA120636  Tsuga mertensiana G. D. Barbe 1955-8-1 322 Siskiyou Southeast of Craggy Lookout on Mt. Bolwar, Scott Mountains. 2256 Comment
  UC1281488  Vaccinium H. E. McMinn 1931-6-27 2534 Siskiyou summit above Weitchpec Comment
  CAS-BOT-BC199195  Vaccinium cespitosum W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mt Eddy Comment
  CAS-BOT-BC199196  Vaccinium cespitosum A. A. Heller 1922-7-3 13672 Siskiyou Along Wagon Creek on Mt. Eddy 2225 Comment
  CAS-BOT-BC228835  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1934 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  CAS-BOT-BC228836  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1937 Siskiyou S Slope of Mount Shasta, Panther Meadows, along County Highway A10, ca. 1.6 km by road from the upper parking lot 2276 Comment
  CHSC88625  Vaccinium cespitosum Gail A. Newton; Steven Harris 1981-7-18 2254 Siskiyou Klamath National Forest. Near the Dillon Divide. 1609 Comment
  HSC18970  Vaccinium cespitosum J. O. Sawyer 1969-7-8 1098 Siskiyou SE facing slope W of Little Duck Lake 2268 Comment
  HSC91292  Vaccinium cespitosum Jennifer Whipple 1976-6-30 1213 Siskiyou Wagon Creek drainage near Wagon Creek 370 Comment
  HSC91333  Vaccinium cespitosum Jennifer Whipple 1976-6-12 973 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  SEINET3107072  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou North shore of Sugar Lake. Comment
  CAS-BOT-BC199191  Vaccinium cespitosum W. R. Dudley 1899-8-15 s.n. Siskiyou In Black Fox Comment
  HSC19113  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1964 Siskiyou Alluvial terrace along South Sugar Creek 1692 Comment
  HSC19115  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1595 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC19365  Vaccinium membranaceum J. O. Sawyer 1968-7-9 442 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC48273  Vaccinium membranaceum P. Stekel, K. Stillman May 1977 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC67630  Vaccinium parvifolium J. P. Smith, Steve Selva 1970-7-15 4352 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC7926  Vaccinium parvifolium Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail Comment
  CAS-BOT-BC228831  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1930 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  HSC98191  Vaccinium scoparium J. O. Sawyer 1969-8-5 1786 Siskiyou Along Sugar Creek. 1921 Comment
  HSC87235  Vahlodea atropurpurea K. Berg, Stephanie Bennett 1986-8-25 653 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC76881  Valeriana californica K. T. Stillman 1976-6-27 151 Siskiyou Marble Mtn. Wilderness Area. Comment
  UC28816  Valeriana californica Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment