Search Results — 2000 specimen records retrieved (1403 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78133  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  RSA237341  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou The E side of English Lake on granitic cliff; Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC29675  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou Salmon Mountains, The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area: at south end of Diamond Lake 2073 Comment
  SD75844  Abies concolor Darley F. Howe 1969-9-12 Siskiyou Siskiyou Mountains, west side of Grayback 1525 Comment
Read comments
Jul 10 2010
  HSC49827  Abies lasiocarpa D. A. Thornburgh Aug 1978 Siskiyou Junction of Sky lake and Main Rim trails 1921 Comment
  LA6389  Abies magnifica var. shastensis Wm. Bridge Cooke; 1939-8-22 13885 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC60936  Abies magnifica var. shastensis Geo. B. Grant 1902-9-1 5124 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  HSC29625  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Marble Mtn. Wilderness Area, below Pine Lake. Bulk Collection #50 1883 Comment
  HSC67768  Acer glabrum var. torreyi John Palmer 1980-8-13 776 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC69494  Acer glabrum var. torreyi Maralyn A. Renner 1980-8-31 2650 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  JEPS80577  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou down creek from Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1767 Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  RSA597963  Acer glabrum var. torreyi Louis C. Wheeler 1963-9-2 8332 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  JEPS117459  Achillea millefolium Lowell Ahart, John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  OBI55465  Achillea millefolium David J. Keil 1992-7-21 23539 Siskiyou Klamath Natl forest SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  SJSU6068  Achlys triphylla subsp. triphylla R. W. Trivelpiece 1971-6-8 12 Siskiyou c. 2.5 mi S of Cecilville near Cecil Point Lookout, Salmon River Mts 1219 Comment
  JEPS449  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou M<?>ffitt Creek Comment
  CAS-BOT-BC210875  Achnatherum occidentale subsp. californicum John Thomas Howell 1937-7-22 13258 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS72980  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-30 20072 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  RSA238984  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC27690  Acmispon micranthus Carl W. Mize 1972-6-8 40 Siskiyou Along main trail 366 Comment
  CDA24173  Aconitum columbianum F. D. Horn 1979-8-15 Siskiyou Carmen Lake area near Callahan. 0 Comment
  UC166139  Aconitum columbianum Geo. D. Butler 1910-7-13 1774 Siskiyou Schackleford Creek 1219 Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  CAS-BOT-BC413844  Aconogonon davisiae Alice Eastwood 1921-7-29 10957 Siskiyou Little Mt. Hoffman Comment
  HSC60156  Aconogonon davisiae D. L. Goforth 1979-7-7 227 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  HSC61846  Aconogonon davisiae Ruby Van Deventer 1938-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC418811  Aconogonon phytolaccifolium L. R. Short 1933-8-7 103 Siskiyou Klamath National Forest. Marble Mt 1792 Comment
  HSC22210  Actaea rubra J. O. Sawyer 1969-7-11 854 Siskiyou Ravine above Parrott Mill Rd. 1280 Comment
  UC1408850  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou ssw Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  UCR9591  Aegilops cylindrica D. O. Clark 1970-6-23 s.n. Siskiyou Montague, NE corner of Spiers and 9th Streets Comment
  HSC49956  Agastache parvifolia G. L. Clifton, Ground 1978-6-19 1310 Siskiyou Near Bray, close to the town of Macdoel 1403 Comment
  JEPS74477  Agastache urticifolia W. J. Ferlatte 1966-8-3 258 Siskiyou Mountain Meadow Ranch; Trinity Alps 1524 Comment
  HSC4988  Agastache urticifolia J. O. Sawyer 1968-7-23 604 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake, Brown's Meadow 1829 Comment
  CAS-BOT-BC29447  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley, Marble Mountains Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  CAS-BOT-BC29455  Ageratina occidentalis Elmer I. Applegate 1935-8-4 10029 Siskiyou Lava Beds National Monument, near northwest entrance Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  JEPS35716  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 303 Siskiyou head of, near summit Wooly Creek 1767 Comment
  HSC2258  Agoseris glauca var. glauca Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills; elev. 5000 ft 1524 Comment
  SEINET6709771 Image available Agoseris glauca var. glauca G. D. Butler 1910-6-19 1589 Siskiyou Darry Land, Goosenest Foothills 1524 Comment
  HSC43334  Agoseris grandiflora Maralyn O'Meara 1974-5-27 473 Siskiyou Along FS Rd. 47N03 1646 Comment
  UC682100  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3260 Siskiyou 3 mi s Yreka 810 Comment
  UC144337  Agoseris heterophylla var. heterophylla A. A. Heller 1905-6-15 8030 Siskiyou near Sisson Comment
  UC1408799  Agoseris monticola Robert F. Thorne and Fred Oettinger 1969-8-10 38992 Siskiyou s slope, at base of boulders on slopes above ski-lodge Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  CAS-BOT-BC110745  Agropyron Roxana S. Ferris; Laura Lorraine 1948-6-12 11795 Siskiyou Scott Mountain Road south of Callahan. Comment
  SEINET7295881 Image available Agrostis alba Beecher Crampton 1956-1 3868 Siskiyou Abundant in a dry meadow of volcanic ash with surrounds of Abies forest, Wagon camp Road, ca. 5.5 miles southwest of Panther Meadow, south slope of Mt. Shasta 1646 Comment
  HSC76679  Agrostis exarata K. T. Stillman 1976-7-30 329 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  RSA239096  Agrostis exarata Frederick W. Oettinger 1969-8-22 1499 Siskiyou North side of Horse's Hole Meadows, Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD52352  Agrostis exarata A. H. Murphy 1956-8-15 56 I Siskiyou Klamath National Forest, Tangle Blue Creek. 1767 Comment
  CAS-BOT-BC139559  Agrostis gigantea Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  RSA215626  Agrostis idahoensis Gilbert Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak 2226 Comment
  UCD52771  Agrostis idahoensis Robert E. Preston 2002-7-12 1901 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1652 Comment
  HSC22424  Agrostis pallens J. O. Sawyer 1969-7-24 1511 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC22432  Agrostis pallens J. O. Sawyer 1969-7-24 1508 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC30512  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou Marble Mtn. Wilderness Area, on margins of open areas, inlet to Upper English Lake 1753 Comment
  UCD53103  Agrostis pallens Beecher Crampton 1956-8-21 3827 Siskiyou 1/2 mile northeast of Gumboot Lake the headwater of the Sacramento River (south fork). 1767 Comment
  SEINET7594121 Image available Agrostis pallens F. W. Oettinger 1968-1 681 Siskiyou west of Horse Range Lake, Salmon Mountains 1905 Comment
  HSC38393  Agrostis scabra J. D. Ackerman, A. M. Montalvo 1975-7-19 591 Siskiyou 3 mi E of McCloud, off Hwy 89, on USFS Rd 39N13 1067 Comment
  UC1108539  Agrostis scabra Ira L. Wiggins 1955-7-22 13448 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UCD53363  Agrostis scabra A. H. Murphy 1956-8-16 56 X Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  RSA115691  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir Comment
  CAS-BOT-BC138481  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  UCD55774  Aira caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mts. Horse Creek. 762 Comment
  JEPS83010  Allium acuminatum Roger Raiche with Kurt Zadnik 1982-10-14 20807 Siskiyou Forest Service Road 42N17 about 2 mi w Stewart Springs Road; Mt. Eddy area 1219 Comment
  CAS-BOT-BC466758  Allium campanulatum W. B. Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  CHSC57462  Allium falcifolium L. P. Janeway 1984-6-22 877 Siskiyou Ca. 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  SBBG844  Allium falcifolium K. K. Muller 1954-6-23 645 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  UC593521  Allium falcifolium E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1913 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  RSA367095  Allium falcifolium Christopher Davidson 1975-6-5 2695 Siskiyou 0.5 miles ENE on unnamed dirt road departing to east off highway 3 at Scott Mtn. summit. 1677 Comment
  HSC22206  Allium parvum J. O. Sawyer 1969-6-13 1101 Siskiyou Slope above Little Duck Lake 2134 Comment
  CAS-BOT-BC132147  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou Hills near Yreka 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
  JEPS57164  Allium validum L. R. Heckard 1967-8-12 1657 Siskiyou along logging road heading s Stewart Springs (ca. 10 mi from U.S. Highway 99 n of Weed) 1950 Comment
  RSA233699  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  SEINET3879909  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Etna quad. Meadow behind Horseshoe Lake.; 0 1920 Comment
  HSC58964  Allotropa virgata Gilbert Muth 1976-7-28 5061 Siskiyou Near Sutcliffe Creek. Close to the town of Happy Camp, CA. 1415 Comment
  HSC4965  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 305 Siskiyou NE of N Horse Range Lake 2012 Comment
  CAS-BOT-BC169637  Alnus rhombifolia Carl B. Wolf 1927-8-26 1042 Siskiyou On the Klamath River, 4 mi N of Gottville Comment
  CAS-BOT-BC169639  Alnus rhombifolia Alice Eastwood 1912-8-30 s.n. Siskiyou N Fork Trail Mount Eddy Comment
  RSA11791  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway. Comment
  UC127628  Alnus rhombifolia Mrs. Kate J. Stirring 1905-2-1 Siskiyou Etna Mills Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  CDA3623  Alyssum alyssoides F. D. Horn 1980-4-24 Siskiyou Williams Creek near Collier Rest Area, I-5 near Hornbrook. 0 Comment
  CAS-BOT-BC142915  Amelanchier Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC142918  Amelanchier Doris K. Kildale 1929-5-31 9122 Siskiyou Cecilville, South Fork of Salmon River Comment
  HSC68506  Amelanchier alnifolia Maralyn A. Renner 1980-6-22 917 Siskiyou Slopes N of Little Shasta River 1372 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
  CAS-BOT-BC136717  Amelanchier alnifolia var. pumila Donald Myrick 1961-6-20 279 Siskiyou On road to Bear Springs east of Mt. Shasta City Comment
  JEPS123489  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5 13 -114 Siskiyou SkiPark Highway Pierce. Comment
  HSC41465  Amelanchier pallida J. P. Smith, Steve Selva 1970-6-16 4065 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC4960  Amelanchier pallida J. O. Sawyer 1968-7-9 423 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC4962  Amelanchier pallida J. O. Sawyer 1968-6-25 313 Siskiyou Along Horse Range Creek 1829 Comment
  CAS-BOT-BC136921  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11777 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  UC54363  Amelanchier utahensis H. M. Hall and E. B. Babcock Jun 1903 4108 Siskiyou Ash Creek; Sierra Nevada Mountains, Mount Shasta 1676 Comment
  UCSB15828  Amelanchier utahensis Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  SEINET10898751  Amelanchier utahensis Katherine L. Morris 1973-5-25 Morris 268 Siskiyou 20.7 miles e of mccloud on hwy 89 in an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  CHSC7144  Amsinckia intermedia Gregory Barnes 1969-4-2 3 Siskiyou Beaver Creek Campground. Siskiyou Mountains. Comment
  CAS-BOT-BC26778  Amsinckia propinqua Alice Eastwood 1912-7-20 1260 Siskiyou Hornbrook Comment
  RSA0089979  Amsinckia retrorsa E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon. Comment
  CAS-BOT-BC45204  Anaphalis margaritacea John H. Thomas; H. A. Thomas 1954-7-23 4465 Siskiyou Salmon-Trinity Mtns about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  UC1409447  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1775 Comment
  CAS-BOT-BC45207  Anaphalis margaritacea Rodney Gregg 1948-7-30 s.n. Siskiyou South Fork of Scott River above Callahan 1219 Comment
  JEPS25621  Anemone deltoidea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7254 Siskiyou Poker Flat 1536 Comment
  UCD13256  Anemone deltoidea K. F. Mawdsley 1996-7-9 9 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  SEINET12087307  Anemone deltoidea J. T. Howell 1939-1 14927 Siskiyou Marble Mountains, Spirit Lake Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC1096825  Anemone drummondii Douglas Barbe and H. K. Wagnon 1957-6-16 13134 Siskiyou Scott Mt. 1920 Comment
  UC853533  Anemone drummondii Alice Eastwood 1912-8-30 1964 Siskiyou Mt. Eddy Comment
  SEINET3075626 Image available Anemone occidentalis M. B. Dunkle 1945-7-1 Siskiyou Marble Mountains, Klamath National Forest. Comment
  UC8932  Anemone occidentalis unknown 1862-9-16 1419 Siskiyou Mt. Shasta 2438 Comment
  HSC22428  Anemone occidentalis J. O. Sawyer 1969-7-2 1024 Siskiyou Crest W of Upper Albert Lake 2256 Comment
  RSA215648  Anemone occidentalis Gilbert Muth 1969-8-7 1227 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS19765  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC59164  Antennaria dimorpha L. E. Smith 1913-4-22 96 Siskiyou Yreka Comment
  HSC82554  Antennaria dimorpha Thomas W. Nelson, Jane P. Nelson 1979-5-26 4714 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  JEPS22309  Antennaria dimorpha Gene Newcomb and Dr. Herbert Baker 1959-3-29 237 Siskiyou 4.5 mi n, along U.S. Hwy 99 Yreka 914 Comment
  UC1035410  Antennaria geyeri David D. Keck 1953-7-31 6534 Siskiyou 3.5 mi s of Grass Lake; Deer Mountain Service Station Comment
  UC891579  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on highway #49) 1066 Comment
  HSC21992  Antennaria media J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC79906  Antennaria microphylla Alice Eastwood 1921-7-28 10923 Siskiyou Medicine Lake Comment
  HSC44950  Antennaria racemosa J. O. Sawyer 1978-6-17 3232 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC29210  Antennaria racemosa Frederick W. Oettinger 1968-9-1 654 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; above Abbott's Lake Basin 1982 Comment
  JEPS82437  Antennaria rosea Gilbert Muth 1966-7-25 451 Siskiyou Marble Mt. Lookout; Marble Mt. Wilderness Area, Marble Mt. Lookout 2097 Comment
  SJSU6486  Antennaria rosea R. W. Trivelpiece 1972-6-9 100 Siskiyou c. 4 mi E of Grass Lake, west-central Siskiyou County 1524 Comment
  RSA45339  Anthemis cotula Dorothy Parker 1946-7-20 s.n. Siskiyou Plowman's Valley 1189 Comment
  UCD129068  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  CHSC91247  Apera interrupta Lowell Ahart; John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC1409251  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou along Tom Taylor Cabin-English Peak trail Crapo Peak; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2133 Comment
  SEINET10536203  Aquilegia formosa Mary Merello 1993-6-25 Merello 722 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC1037374  Aquilegia formosa Douglas Barbe 1955-7-6 133 Siskiyou se end Taylor Lake; Klamath Mts., Salmos Mtns 1950 Comment
  HSC64351  Aquilegia formosa var. formosa J. P. Smith, Steve Selva 1970-7-17 4452 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC62590  Arabis glabra Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  HSC74080  Arabis holboellii var. retrofracta J. P. Smith 1978-5-28 9954 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  HSC67751  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-21 3888 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC100148  Arabis suffrutescens J. O. Sawyer 1969-8-1 1639 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC165380  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek Comment
  HSC36731  Aralia californica Brent Whiteley 1975-6-28 96 Siskiyou 915 Comment
  UC933377  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon R. Siskiyou Mts., S. Fork Salmon R. Comment
  SEINET2471353  Arceuthobium abietinum R. L. Mathiasen 2007-9-19 2007 -51 Siskiyou Yellow Jacket Ridge on trail to Chimney Rock Lake 1250 Comment
  SEINET2118123  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen, C. M. Daugherty 2008-8-8 08 -23 Siskiyou Klamath National Forest. Baldy Mountain, 18.2 km W of Indian Creek on forest road 17N11 (Doolittle Creek Road) 1820 Comment
  SEINET2471231  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -34 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  CAS-BOT-BC410075  Arceuthobium douglasii William Bridge Cooke 1939-8-25 13920 Siskiyou on the SW slopes of Mount Shasta 1524 Comment
  SEINET8530039  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -41 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  JEPS81758  Arctostaphylos klamathensis Albert Seneres, Stephen Edwards, and Nigel Harold 1982-10-5 Siskiyou Terrace Lake 1920 Comment
  CAS-BOT-BC39976  Arctostaphylos nevadensis Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC39989  Arctostaphylos nevadensis Louis C. Wheeler 1934-7-23 75638 Siskiyou Long John creek 1463 Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC45441  Arctostaphylos nevadensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 Siskiyou At Mile Creek crossing on Scott Mt. Rd. s. of Callahan. 1493 Comment
  HSC44977  Arctostaphylos nevadensis J. O. Sawyer 1978-6-21 3280 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  JEPS66675  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackelford Creek 1676 Comment
  UC61678  Arctostaphylos nevadensis Geo. B. Grant Sept 1902 5128 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  SEINET11989670  Arctostaphylos nevadensis R. Raiche, Zadnik, K. 1982-1 20785 Siskiyou 11 mi WNW of Yreka at Deadwood Lookout 1707 Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC46486  Arctostaphylos patula Lincoln Constance; Reed Rollins 1942-5-14 2921 Siskiyou Road to Walker Post Office, 3 mi. w. of Yreka. 1219 Comment
  CAS-BOT-BC46495  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-22 s.n. Siskiyou At Little Grayback between O'Brien and Happy Camp. 1371 Comment
  HSC30332  Arctostaphylos patula Dale R. Gradek 1974-5-27 88 Siskiyou 4 mi. SW of Chandler Glade on FS Rd. 47N03 1524 Comment
  JEPS38841  Arctostaphylos patula Willis L. Jepson July 1894 14722 Siskiyou near Mt. Shasta; Sisson Comment
  SBBG83943  Arctostaphylos patula R. Gankin, L Srivastara, C. Lamoreux 1957-11-4 260 Siskiyou US Hwy 199, E side of hwy, approx.2 mi N of Weed. Comment
  UC1409418  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou just above trail marker between English Lake and Diamond and Hancock Lakes (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC21880  Arctostaphylos patula Harley P. Chandler June, 1901 1600 Siskiyou near Marble Mountain; North Coast Ranges 2286 Comment
  UC585198  Arctostaphylos patula E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1950 Siskiyou on hwy from Bray to Weed, about 2 mi s Sheep Rock (n slope of mt.); Mt. Shasta 1235 Comment
  UC82981  Arctostaphylos viscida subsp. viscida Dr. E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon Comment
  SEINET11942770  Arenaria congesta F. W. Hoffman 1950-1 3625 Siskiyou Baldy Mountain, western Comment
  RSA183738  Arenaria congesta var. suffrutescens Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Blk. Mt. Comment
  UC796528  Arenaria serpyllifolia subsp. serpyllifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11721 Siskiyou w Callahan (French Creek Loggin Road) 1066 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  POM31414  Arnica amplexicaulis Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC82247  Arnica chamissonis Calvin McMillan; Malcom A. Nobs 1949-6-17 797 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC82367  Arnica cordifolia Alice Eastwood; John Thomas Howell 1937-6-26 5037 Siskiyou Salmon Mts. 10 miles sw. of Etna Comment
  POM30864  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek. Comment
  UC933412  Arnica discoidea Annie M. Alexander 1948-9-14 5620 Siskiyou on open slope near mouth of Canyon Creek; Scott River 762 Comment
  CDA16952  Arnica latifolia G. F. Hrusa 1993-8-14 11398 Siskiyou Summit of pass betw. Happy Camp, Ca. and O'Brien, Or., just on Ca. side of state boundary. 1371 Comment
  SJSU6541  Arnica latifolia R. W. Trivelpiece 1973-6-28 155 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan, southwestern Siskiyou County 2042 Comment
  SEINET3098740 Image available Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 miles from cut-off at junction with Takilma-Happy Camp road. 1770 Comment
  CAS-BOT-BC384653  Arnica ovata Andrew Townesmith; Karen M. Meyer 2007-7-30 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  UC609312  Arnica ovata Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC90082  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  CDA10152  Artemisia douglasiana T. C. Fuller 1962-8-3 9519 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC76872  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  CAS-BOT-BC400591  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC1755271  Asarum caudatum D. W. Taylor 2004-6-10 19094 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  JEPS8487  Asarum marmoratum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriquez, and S. Carlquist 1951-6-16 3447 Siskiyou Poker Flat, near summit of Takilma - Happy Camp road over Siskiyou County line 1630 Comment
  HSC636  Asclepias cordifolia William J. Ferlatte 1967-6-30 592 Siskiyou Josephine Lake basin 1677 Comment
  JEPS80660  Asclepias speciosa W. B. and V. G. Cooke 1980-7-26 59013 Siskiyou Everitt Memorial Highway Mt. Shasta Comment
  CAS-BOT-BC478847  Asparagus officinalis W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between high school and Howard, Mt. Shasta 1219 Comment
  CAS-BOT-BC105088  Aspidotis densa R. C. Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93 / Cecilville Rd. (6,200 ft) to Hidden Lake (6,660 ft) 2029 Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  RSA14509  Aster occidentalis var. fremontii Elmer I. Applegate 1923-8-19 3896 Siskiyou Medicine Lake Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC178805  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  CAS-BOT-BC178818  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  CAS-BOT-BC178820  Astragalus californicus Geo. D. Butler 1910-5-5 1284 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC178808  Astragalus californicus J. K. Nelson; Rhonda Posey; Mary Ellen Colberg; Twyla Miller 2006-5-19 2006 -014 Siskiyou North side of Mt. Shasta, south of Hwy. 97, Hotlum Fire area, Juniper Flat 7.5 minute quadrangle, 716-4, 1992. 1100 Comment
  CAS-BOT-BC178815  Astragalus californicus L. E. Smith 1913-5-9 197 Siskiyou Weed Comment
  POM24210  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Creek Comment
  SEINET10687772 Image available Astragalus californicus Edward L. Greene Greene 764 Siskiyou Yreka. Comment
  JEPS107649  Astragalus filipes Lowell Ahart, John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 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
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  UC585207  Astragalus purshii var. lagopinus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1954 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); n slopes Mt. Shasta 1249 Comment
  UCD105227  Astragalus purshii var. lectulus W. R. Hildreth 1971-8-4 s.n. Siskiyou Summit of Marble Mountain. Comment
  CAS-BOT-BC193062  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley, [Noyes Valley], east fork of Scott River Comment
  UC796574  Astragalus purshii var. tinctus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11710 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), East fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  RSA215617  Astragalus whitneyi var. siskiyouensis Gilbert Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge. 2470 Comment
  RSA94036  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  UC185243  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek 1219 Comment
  RSA422252  Atriplex L. C. Wheeler 1934-10-21 3329 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  CDA2942  Atriplex rosea T. C. Fuller 1963-8-27 11164 Siskiyou North shore of Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  CDA23343  Atriplex triangularis R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  HSC68220  Balsamorhiza deltoidea J. P. Smith 1973-5-5 6511 Siskiyou Along Cook and Green Pass Rd. Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  CAS-BOT-BC100055  Balsamorhiza lanata Elmer I. Applegate 1928-9-26 5393 Siskiyou Yreka Comment
  CAS-BOT-BC100058  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1794 Siskiyou 4 miles north of Weed Comment
  HSC73354  Barbarea orthoceras Gail Newton 1980-6-20 446 Siskiyou Near Bald Mtn. 1097 Comment
  RSA264995  Barbarea orthoceras Gilbert Muth 1975-7-30 9963 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  HSC65305  Berberis aquifolium var. repens J. P. Smith 1976-5-21 8772 Siskiyou F.S. Rd. 40N08, 10.8 mi. from its junction with S.R. 3. 1280 Comment
  JEPS47737  Berberis aquifolium var. repens W. L. Jepson 1907-7-19 2948 Siskiyou Indian Creek Siskiyou Mts Comment
  UC135573  Berberis aquifolium var. repens Dr. E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy 1463 Comment
  CDA15576  Berberis nervosa G. F. Hrusa 1998-7-5 14683 a Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  CAS-BOT-BC75946  Berberis piperiana Lewis S. Rose 1945-6-18 45082 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC76004  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC76007  Berberis pumila Doris K. Kildale 1927-11-20 4183 Siskiyou Fort Jones. Comment
  POM208199  Betula occidentalis L. C. Wheeler 1934-6-27 2808 Siskiyou Siskiyou Mts., Cottonwood Creek. 793 Comment
  RSA715951  Betula occidentalis L. Ahart, John Dittes 2005-6-10 12072 Siskiyou About 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  JEPS40348  Blepharipappus scaber W. L. Jepson 1907-7-1 Siskiyou w Siskiyou Co. Comment
  POM31556  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka. Comment
  CAS-BOT-BC16890  Boechera George Dexter Butler 1908-8-4 125 Siskiyou Head of Shackleford Creek. Comment
  CHSC30061  Boechera breweri Harritta Gaussoin 1980-3-26 6 Siskiyou Ca. .25 miles NE of rest stop of jct. of Interstate % N and Highway 96 E. 91 Comment
  UC166052  Boechera breweri Geo. D. Butler 1909-7-15 892 Siskiyou Highland Mine Comment
  JEPS105132  Boechera breweri subsp. breweri Dean W. Taylor 1996-5-29 15640 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  JEPS53051  Boechera breweri subsp. breweri Geo. D. Butler 1909-7-15 892 Siskiyou Highland Mine Comment
  CAS-BOT-BC16026  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13540 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14271  Boechera pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5308 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  CAS-BOT-BC14414  Boechera platysperma G. B. Grant 1902-9-7 s.n. Siskiyou Mount Shasta. Horse Camp. 1219 Comment
  CAS-BOT-BC14668  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sissons, road to Mount Shasta. Comment
  UC722114  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5308 Siskiyou near Marble Mt. (Kings Castle) (n side of Black Mt.); Black Mt. 2072 Comment
  SEINET3166095  Boechera rollei P. J. Alexander 2008-7-24 873 -C Siskiyou On the Pacific Crest Trail +-0.7 miles SSW of Cook & Green Pass, +-1.9 miles E of Red Butte, +-7miles NNE of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1606 Comment
  CAS-BOT-BC410948  Boechera sparsiflora L. E. Smith 1913-5-28 309 Siskiyou Yreka Comment
  JEPS64003  Bolboschoenus maritimus W. L. Jepson 1940-6-23 20030 Siskiyou e Grenada (Shasta Valley); , e of Grenada 975 Comment
  CHSC1632  Boykinia major M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC468  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake basin. 1677 Comment
  HSC60813  Boykinia major Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1220 Comment
  RSA298356  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-14 3886 Siskiyou 1 mile E of Steinacher Creek Rd on road to Forks of Salmon. Comment
  CAS-BOT-BC36691  Brassica rapa Alice Eastwood 1912-7-16 1127 Siskiyou McCloud. Comment
  CAS-BOT-BC100471  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Klamath National Forest, Walker 518 Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  RSA44888  Brickellia greenei J. C. Roos 1948-9-2 3975 Siskiyou 5 mi SW of Yreka. Comment
  UCSB37839  Brickellia greenei Roos, John 1948-9-2 Siskiyou 5 miles S.W. of Yreka Comment
  UCSC000152  Brodiaea coronaria I. J. Condit 2007-6-30 s.n. Siskiyou Sisson Comment
  SEINET10833757  Brodiaea elegans Edward L. Greene 1876-6-25 Greene s.n. 1876 Siskiyou Collected near Yreka, Cal. Comment
  UC1483565  Bromus carinatus var. carinatus J. Sawyer and J. Cole 1980-7-21 3855 Siskiyou n of F.S. Road 44N01 (near intersection with road to Lava Camp, Klamath National Forest); Klamath National Forest 1676 Comment
  UCD58497  Bromus carinatus var. marginatus A. H. Murphy 1955-5-29 55 V Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  HSC30546  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Inlet to Dry Lake, Salmon Mtns. 2027 Comment
  POM112544  Bromus hordeaceus Geo D. Butler 1910-5-4 1276 Siskiyou Dry hill, Yreka. Comment
  UC1265365  Bromus orcuttianus F. W. Oettinger 1969-8-16 1392 Siskiyou near English Lake (Salmon Mountains, w Siskiyou County); Salmon Mountains 1706 Comment
  UCD59254  Bromus orcuttianus Beecher Crampton 1956-8-21 3833 Siskiyou Canyon slopes of the south fork of the Sacramento River, about 10-12 miles southwest of Mt. Shasta City. 1524 Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  RSA184791  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Trail to lookout, on ridge, Marble Mountains 2043 Comment
  CHSC86643  Bromus tectorum Jenny Marr 1993-7-1 26 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC43469  Bromus tectorum Maralyn O'Meara 1974-5-25 380 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  SBBG34157  Calocedrus decurrens J. Major, M. Fleschner, R. Pemble 1966-9-5 Siskiyou SE of Marble Mtn Marble Mtns 1828 Comment
  NY18928  Calocedrus decurrens H. T. Edwards 08 1875 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10531061  Calocedrus decurrens Jeffrey Huber 1971-6-9 Huber 269 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  UC909346  Calochortus coeruleus Ira L. Wiggins 1950-5-28 12383 Siskiyou just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  UC648359  Calochortus elegans Marion Ownbey and Ruth P. Ownbey 1938-7-20 1764 Siskiyou near Round Mountain (above Oak Knoll Ranger Station); Siskiyou Mts. Comment
  UC1478044  Calochortus longebarbatus var. longebarbatus Jeff Prouty and Heinitz 1980-7-9 1129 Siskiyou 2 mi nw Pondosa; Shasta-Trinity National Forest, Tom Young Flat 1280 Comment
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Apr 18 2012
  HSC15366  Calochortus macrocarpus var. macrocarpus D. M. Thomson 1965-7-21 155 Siskiyou Lava Beds National Monument, N boundary rd., near Canbys Cross Comment
  SEINET10469598 Image available Calochortus monanthus Edward L. Greene 1876-6-24 Greene 887 Siskiyou Near Yreka. Comment
  HSC583  Calochortus nudus William J. Ferlatte 1967-6-30 587 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC132652  Calochortus uniflorus Mrs. H. P. Bracelin 1931-6-20 441 Siskiyou Northeast slope of Mt. Eddy, Wagon Creek Canyon 1188 Comment
  CAS-BOT-BC181502  Caltha leptosepala Doris K. Kildale 1929-8-24 9044 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC181512  Caltha leptosepala Annie M. Alexander; Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  UC1971694  Calycadenia fremontii 1978-8-21 2159 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Road (=GDC 783) 194 Comment
  SEINET7379699 Image available Calycadenia truncata L. C. Wheeler 1934-6-26 2787 Siskiyou Klamath River, Siskiyou Mountains 762 Comment
  HSC26561  Calyptridium monospermum J. P. Smith, J. O. Sawyer 1972-8-20 5753 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC64321  Calyptridium monospermum J. P. Smith, Steve Selva 1970-8-8 4564 Siskiyou Comment
  JEPS52507  Calyptridium umbellatum Geo. D. Butler 1908-8-3 207 Siskiyou near Log Lake (Shackelford Creek); Shackelford Creek 1524 Comment
  CAS-BOT-BC221254  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  JEPS101705  Calystegia malacophylla subsp. malacophylla Dean W. Taylor 1997-6-12 16066 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC1185276  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC42976  Calystegia occidentalis subsp. occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  JEPS31612  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou near Yreka; near Yreka Comment
  SEINET3992092  Camassia quamash Unknown 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC497585  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC497588  Camassia quamash subsp. breviflora D. E. Breedlove 1962-6-11 3372 Siskiyou Along State Highway 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  SEINET10462923  Campanula prenanthoides Cooke 1940-7-12 COOKE 15307 Siskiyou NR RD IN BOX CNYN OF SACRAMENTO R NR MT SHASTA CITY 3000 Comment
  SEINET10463151  Campanula prenanthoides Young 1921-9-15 YOUNG s.n. Siskiyou Etna Mills Comment
  SEINET10463177  Campanula prenanthoides Heckard 1969-7-25 HECKARD 2313 Siskiyou NR FALL CREEK INN ALONG GILMAN RD., BTWN SACRAMENTO & MCCLOUD ARMS OF SHASTA LAKE, 1300 Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  POM59341  Campanula rotundifolia E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  RSA233711  Campanula rotundifolia Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
  POM148010  Campanula rotundifolia J. B. Feudge 1927-7-22 1776 Siskiyou Trail to Mt. Shasta City to Mt. Eddy. Comment
  SEINET10463384  Campanula scabrella England 1939-7-16 ENGLAND s.n. Siskiyou Mount Eddy timberline 2134 Comment
  SEINET10463604  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou SISSON, MT. SHASTA Comment
  CAS-BOT-BC266457  Campanula wilkinsiana Allen Barbour 1961-8-1 s.n. Siskiyou Near Upper Caribou Lake, Trinity Alps Comment
  JEPS57208  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou canyon above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  JEPS53377  Cardamine nuttallii var. covilleana W. L. Jepson 1907-7-5 2844 Siskiyou Marble Mountain Comment
  UC1982127  Carex Robert F. Thorne and Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta Comment
  CAS-BOT-BC19769  Carex abrupta John Thomas Howell 1939-8-8 15190 Siskiyou Marble Mountains. Black Mountain. Comment
  HSC36252  Carex abrupta J. O. Sawyer 1969-7-24 1346 Siskiyou Edge of Sugar Lake 1784 Comment
  SD123678  Carex angustata Robert T. Clausen, Harold Trapido 1940-7-26 4956 Siskiyou Southern Cascade Mountains; Mt. Shasta; Sacramento River Basin; boggy meadow; wagon camp. 1737 Comment
  CAS-BOT-BC18128  Carex athrostachya D. E. Breedlove 1962-6-10 3320 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad. 411 Comment
  CAS-BOT-BC18134  Carex athrostachya Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  POM79948  Carex athrostachya E. B. Copeland 1903-9-7 2151 Siskiyou Mt. Eddy. 2134 Comment
  UCD140145  Carex athrostachya William E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  SEINET7552632 Image available Carex bolanderi David Castaner 1989-6-18 10230 Siskiyou McBridge Springs-dry bed Mt Shasta Comment
  RSA237237  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  HSC76852  Carex diandra L. P. Janeway 1982-8-22 179 Siskiyou Halfway along the old jeep road between Poker Flat and Kelly Lake 1555 Comment
  HSC67677  Carex echinata subsp. echinata John Palmer 1980-7-24 598 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC642555  Carex echinata subsp. echinata J. W. Stacey 1939-7-7 13615 Siskiyou in the Wagon Camp Sedge Swamp Mount Shasta, Wagon Camp Comment
  HSC76838  Carex exsiccata L. P. Janeway 1982-6-25 22 Siskiyou 300 m. SE of No Mans Creek, 600 m. up Creek from the Clear Creek Rd. 610 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 Comment
  POM81965  Carex feta Geo D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  UC618860  Carex fracta W. Bridge Cooke 1938-6-24 11085 Siskiyou McBride Springs Mount Shasta 1524 Comment
  JEPS101096  Carex geyeri Dean W. Taylor 1997-6-12 16065 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  HSC95502  Carex halliana V. H. Oswald, R. Ondricek-Fallscheer 1996-7-12 8009 Siskiyou Junction of roads to Schonchin Spring and Little Mt. Hoffman at W end of Medicine Lake 2049 Comment
  CHSC40173  Carex hassei Lawrence Janeway 1982-7-2 32 Siskiyou At Poker Flat, at end of rd 18N33. 1524 Comment
  UC1540260  Carex heteroneura Dean W. Taylor 1987-6-26 9066 Siskiyou Paynes Springs, 2 mi SE from Medicine Lake, near head of easternmost spring. 1996 Comment
  CHSC40195  Carex hoodii L. P. Janeway 1983-8-6 496 Siskiyou At Poker Flat. 1524 Comment
  CAS-BOT-BC35524  Carex jonesii John Thomas Howell 1937-7-23 13337 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  UC1265337  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou along stream that runs from Tom's Upper Pond to Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC62583  Carex lenticularis var. impressa Al Hobart 1968-7-11 Siskiyou Youngs Valley Comment
  HSC73328  Carex leptopoda Gail Newton 1980-6-20 490 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC95994  Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CHSC96452  Carex luzulina Gordon Leppig; Jennifer Kalt 1996-7-9 354 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  POM254198  Carex luzulina var. ablata J. T. Howell 1939-8-7 15120 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  CAS-BOT-BC31622  Carex luzulina var. luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  UC1026162  Carex mariposana Louis C. Wheeler 1934-7-21 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. Comment
  CHSC40172  Carex mendocinensis Lawrence Janeway 1982-6-22 19 Siskiyou Ca. 400 m ne of West Branch Guard Sta along the road into Indian Cr and near small creek crossing. 670 Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  CHSC40197  Carex microptera L. P. Janeway 1983-8-6 490 Siskiyou At Poker Flat, a meadow in a fir forest. 1524 Comment
  UC1540263  Carex microptera Dean W. Taylor 1987-6-26 9069 Siskiyou meadow about 0.5 mi W of W end of Medicine Lake 2057 Comment
  HSC35791  Carex multicaulis J. O. Sawyer 1969-6-12 932 Siskiyou Along trail to Duck Lake 1799 Comment
  HSC39866  Carex multicaulis J. O. Sawyer 1969-7-11 1308 Siskiyou Along S Sugar Creek below S Sugar Lake 2012 Comment
  RSA364653  Carex multicaulis Christopher Davidson 1975-6-5 2651 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  CAS-BOT-BC23420  Carex multicostata John Thomas Howell 1937-7-26 13557 A Siskiyou Caribou Meadow Comment
  CAS-BOT-BC119677  Carex nervina William Bridge Cooke 1938-7-15 11255 Siskiyou Spring meadow, Mt. Shasta 1737 Comment
  CAS-BOT-BC119679  Carex nervina William Bridge Cooke 1939-6-23 13547 Siskiyou Spring creeks formed by upper Wagon Camp springs in upper spring area. 1737 Comment
  HSC29655  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-6 1261 Siskiyou Marble Mtn. Wilderness Area, W of Tom's Lower Pond 1951 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC79282  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the E Fork Scott River at Hwy. 3 bridge just E of Callahan 988 Comment
  HSC76396  Carex nudata L. P. Janeway 1982-7-3 46 Siskiyou At Ferry Point, W side of Klamath River 290 Comment
  POM173649  Carex nudata Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
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Jan 23 2011
  SEINET8351534  Carex nudata Barbara Wilson 1994-5-27 6919 Siskiyou Rogue River National Forest; near parking areas of the New London Trailhead, between Road 1050 (Elliot Creek Road) and the creek. Comment
  UC1002  Carex nudata C. B. Bradley 1879-1 Siskiyou Siskiyou County Comment
  CAS-BOT-BC119207  Carex pachystachya John Thomas Howell 1937-7-24 13433 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC119209  Carex pachystachya Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  RSA20485  Carex pellita L. S. Rose 1937-7-3 37393 Siskiyou Weed. 945 Comment
  CAS-BOT-BC118772  Carex preslii John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1950435  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  UC642575  Carex preslii J. W. Stacey 1939-7-13 13636 Siskiyou Horse Creek Camp Mount Shasta Comment
  CAS-BOT-BC118794  Carex preslii William Bridge Cooke 1939-7-13 13666 Siskiyou Above Panther Creek Meadows. 2499 Comment
  HSC76629  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SEINET10817693  Carex raynoldsii A. Arthur Heller 1922-7-15 Heller 13701 Siskiyou Plentiful in wet soil in the meadowat Medicine Lake, Canadian. 2134 Comment
  UCR52392  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, at bottom of the break between the upper & lower portions of the meadow 1524 Comment
  HSC76834  Carex rostrata L. P. Janeway 1982-9-3 183 Siskiyou Inlet to Little Carmen Lake 1768 Comment
  HSC68517  Carex scabriuscula Maralyn A. Renner 1980-6-26 1170 Siskiyou Flint Valley. 1390 Comment
  HSC76822  Carex scabriuscula L. P. Janeway 1982-9-3 185 Siskiyou At Little Carmen Lake, NW of Scott Mtn., 1 m from NW edge 1768 Comment
  CAS-BOT-BC118224  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Along Wagon creek on Mt. Eddy 2225 Comment
  HSC45963  Carex serratodens J. P. Smith, Steve Selva 1970-6-15 3945 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC117238  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Mt. Shasta. 2590 Comment
  HSC39291  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  HSC76946  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC618819  Carex spectabilis J. W. Stacey 1938-9-8 11666 Siskiyou upper portion Squaw Creek Meadows (at Squaw and Panther Creeks and in The South Gate); Mount Shasta Comment
  CAS-BOT-BC117235  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC117256  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  RSA22153  Carex spectabilis W. Bridge Cooke 1938-7-21 11298 Siskiyou Heather meadow, Mt. Shasta. 2287 Comment
  RSA238929  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -a Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET10749734  Carex sterilis A. Arthur Heller 1905-6-15 Heller 8041 Siskiyou Near Sisson. Comment
  CDA33164  Carex stipata G. D. Barbe 1973-8-14 1699 Siskiyou Site of the proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  SEINET10747930  Carex stipata A. Arthur Heller 1925-7-13 Heller 13897 Siskiyou In wet soil in shade at the State Teachers College near the town of Mt. Shasta in the yellow pine belt. Comment
  CHSC98757  Carex straminiformis L. P. Janeway; B. Castro 2007-7-29 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  SEINET4292103 Image available Carex straminiformis Unknown 2006-1 8776 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Comment
  SEINET7576422 Image available Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2438 Comment
  UC637053  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp, Waldo (Oregon) Road Watershed of West Branch of Indian Creek 1371 Comment
  HSC19024  Castilleja applegatei J. O. Sawyer 1969-7-17 1129 Siskiyou S facing upper slope E of Waterdog Lake 2165 Comment
  JEPS45563  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-9 146 Siskiyou sw side Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  CAS-BOT-BC243750  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-5-26 9184 Siskiyou Salmon River at Hawkins Bar 609 Comment
  CAS-BOT-BC243762  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  HSC19028  Castilleja arachnoidea J. O. Sawyer 1969-8-4 1857 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  POM255866  Castilleja arachnoidea Marion Ownbey, Ruth Ownbey 1938-7-20 1761 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  UC1408796  Castilleja arachnoidea Robert F. Thorne and Fred Oettinger 1969-8-10 39007 Siskiyou s slope Mt. Shasta (slopes above ski-lodge); Mt. Shasta National Forest 2377 Comment
  UC163823  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain 1828 Comment
  HSC76912  Castilleja arachnoidea K. T. Stillman 1976-6-26 124 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  RSA488704  Castilleja arachnoidea James L. Reveal, Mark L. Reveal 1975-8-15 3954 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile southwest of the Dead Cow Creek Road and about 1 mile southeast of Dry Lake Lookout. Comment
  CAS-BOT-BC32639  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CDA41245  Castilleja lacera G. D. Barbe, T. C. Fuller 1972-6-14 945 Siskiyou South of Oberlin Road, between Yreka and Montague. 0 Comment
  HSC20561  Castilleja linariifolia R. C. Wunner 1965-6-30 311 Siskiyou Lava Beds N.M., .1 mi. above Big Painted Cave Comment
  CAS-BOT-BC254007  Castilleja miniata anonymous 1902-9-12 5201 Siskiyou Sisson Comment
  CAS-BOT-BC254019  Castilleja miniata Alice Eastwood 1903-8-17 3809 Siskiyou Foot of Mt. Eddy 1158 Comment
  UC1552689  Castilleja miniata Steve Morgan 1987-7-28 Siskiyou 5 mi nw McCloud (McGinnis Springs, s of Mt. Shasta); Shasta-Trinity National Forest, McGinnis Springs 1767 Comment
  CAS-BOT-BC253614  Castilleja miniata Annie M. Alexander; Louise Kellogg 1949-7-20 5811 Siskiyou Paradise Lake, Marble Mountains, on slope above lake 1920 Comment
  CAS-BOT-BC254009  Castilleja miniata Doris K. Kildale No date on label 9027 Siskiyou White meadow, near Young's Valley, Preston Peak [?hail?] Comment
  CAS-BOT-BC254017  Castilleja miniata Wm. Bridge Cooke 1938-6-17 11059 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC254023  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  RSA237565  Castilleja miniata Frederick W. Oettinger 1967-8-12 249 Siskiyou Between Tom Taylor Cabin meadows and the large meadow northwest of English Peak Lookout. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CDA41233  Castilleja minor var. exilis J. G. Schieber 1978-7-2 Siskiyou U.S. Wildlife Preserve, Tule Lake. 0 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  HSC76889  Castilleja pruinosa K. T. Stillman 1976-7-7 154 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC91221  Castilleja pruinosa Jennifer Whipple 1976-7-2 1270 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  SBBG6821  Castilleja pruinosa H. and M. Dearing 1939-6-19 3679 Siskiyou French Crk Comment
  UC1034001  Castilleja pruinosa Francis W. Pennell 1940-7-17 26172 Siskiyou w of Etna (ne slope of Salmon Mountains); Salmon Mountains 1859 Comment
  UC26483  Castilleja pruinosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC705754  Castilleja pruinosa Marion Ownbey, Fred G. Meyer 1940-7-7 2218 Siskiyou Summit of Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC241080  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area Comment
  UC722590  Castilleja schizotricha C. L. Hitchcock and J. S. Martin 1939-7-9 5330 Siskiyou 0.5 mi se King's Castle; Marble Mts. 1828 Comment
  JEPS4340  Castilleja tenuis W. L. Jepson 1940-7-3 20100 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  SFV5115  Ceanothus cuneatus B. C. Templeton 1957-6-22 s. n. Siskiyou North of Callahan. Comment
  UC1037444  Ceanothus cuneatus var. cuneatus Douglas Barbe 1955-6-28 14 Siskiyou 0.4 mi n, Callahan; Klamath Mts. 1005 Comment
  CAS-BOT-BC50248  Ceanothus integerrimus H. A. Thomas; J. H. Thomas 1954-7-22 4446 Siskiyou Salmon - Trinity mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks 975 Comment
  RSA240090  Ceanothus integerrimus Frederick W. Oettinger 1969-8-25 1550 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  RSA399890  Ceanothus integerrimus E. E. Stanford 1930-6-15 1588 Siskiyou 1 mile north of Dunsmuir. Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC53099  Ceanothus prostratus Elmer I. Applegate 1935-6-8 9422 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  RSA233696  Ceanothus prostratus Robert F. Thorne 1969-8-10 38946 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  JEPS42104  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Mt. Comment
  UC163662  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mountain 1219 Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA398977  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou open slopes S of Little Duck Lake 2134 Comment
  UC455427  Ceanothus velutinus I. J. Condit 1911-7-5 Siskiyou Mount Bradley near Shasta Retreat; Mount Bradley Comment
  UC144556  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8051 Siskiyou near Sisson; near Sisson Comment
  UC449590  Ceanothus velutinus var. velutinus Milo S. Baker 1896-1 Siskiyou Stage road between Bartles and Sisson; between Bartles and Sisson Comment
  HSC49903  Centaurea cyanus Maralyn O'Meara 1974-5-25 441 Siskiyou On Road 8, 2.4 miles W of junction with Hwy. 3 915 Comment
  CDA32136  Centaurea solstitialis M. Beyers, G. F. Hrusa 2010-8-18 701 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  CDA3356  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384988  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague 807 Comment
  HSC22478  Cerastium fontanum subsp. vulgare J. O. Sawyer 1969-7-16 1155 Siskiyou W of Lower Russian Lake along trail 2073 Comment
  CAS-BOT-BC207631  Cercis occidentalis J. H. Thomas 1954-5-15 4189 Siskiyou About 1 mile SE of Forks of the Salmon. Comment
  UC1174945  Cercis occidentalis P. C. Everett and E. K. Balls 1959-10-24 23946 Siskiyou 7 mi sw from Red Bank F.S. Camp (on road from Sawyers Bar to Somesbar) Comment
  CAS-BOT-BC147683  Cercocarpus betuloides var. betuloides Copeland 1903-7-14 3504 Siskiyou Klamathon Comment
  POM66496  Chaenactis carphoclinia Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug[?] Mtn 1220 Comment
  CAS-BOT-BC106034  Chaenactis suffrutescens R. C. Barneby 1954-5-16 11521 Siskiyou Scott R. 10 1/2 miles below Fort Jones 1005 Comment
  UCD130440  Chaenactis suffrutescens M. V. Maxwell 1941-6-26 s.n. Siskiyou 14 miles east of Montague. 670 Comment
  JEPS95133  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  SEINET515847  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  POM274980  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  HSC69735  Chamaecyparis lawsoniana Maralyn A. Renner 1980-6-26 1282 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CHSC66549  Chamaesaracha nana Vernon H. Oswald 1996-7-12 8002 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city 0.4 mi E of milepost 10. On an open slope below the highway. 2072 Comment
  UC334091  Chamaesyce glyptosperma Lemmon Siskiyou near Shasta; Northern Claifornia Comment
  HSC77230  Chamaesyce maculata L. P. Janeway 1982-7-9 51 Siskiyou Along the shoulder of Hwy. 96, S of Happy Camp. 335 Comment
  RSA571805  Chamaesyce serpillifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou Along the Memorial Highway, Mt. Shasta. 1372 Comment
  UC163690  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 445 Siskiyou near Yreka Comment
  CAS-BOT-BC165978  Chamerion angustifolium Wm. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Comment
  HSC187  Chamerion angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Big Flat, near public campground 1524 Comment
  UC873300  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackelford Creek Trail Marble Mts. Comment
  HSC78315  Cheilanthes gracillima L. P. Janeway 1983-9-22 687 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  RSA44884  Cheilanthes gracillima J. C. Roos 1948-9-1 3947 Siskiyou tufted in rocks, on high ridge, summit of pass, southwest of Etna Comment
  RSA577148  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyon, Siskiyou Mountains 2073 Comment
  HSC4387  Chenopodium leptophyllum D. M. Thomson 1965-8-6 167 Siskiyou Lava Beds National Monument, S side of Cauldwell Butte Comment
  JEPS80663  Chenopodium pratericola W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou Andesite Road at US-97 (n base of mt.); Mt. Shasta Comment
  CAS-BOT-BC451443  Chimaphila menziesii J. H. Thomas 1954-5-14 4174 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville 1219 Comment
  HSC60903  Chimaphila menziesii Al Hobart Siskiyou Black Butte 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
  RSA756944  Chimaphila menziesii R. F. Thorne 1969-8-2 63339 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC67642  Chimaphila umbellata J. P. Smith, Steve Selva 1970-7-17 4461 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS93914  Chimaphila umbellata Vernon H. Oswald and Lowell Ahart 1998-8-3 9433 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC456181  Chimaphila umbellata I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake 1524 Comment
  UC618646  Chimaphila umbellata W. Bridge Cooke 1938-8-5 11459 Siskiyou Mt. Shasta, Sisson Southern Trail 1828 Comment
  HSC19323  Chimaphila umbellata J. O. Sawyer 1968-6-25 339 Siskiyou 1646 Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC39666  Chorispora tenella S. D. Nelson 1951-4-27 s.n. Siskiyou 1 mile northwest of Gazelle. Comment
  UCD110116  Chrysolepis chrysophylla R. Tofsrud; J. M. Tucker 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  CAS-BOT-BC36387  Chrysolepis chrysophylla W. R. Dudley 1907-8-20 s.n. Siskiyou Along Salmon River above mouth of trail creek Comment
  CAS-BOT-BC36244  Chrysolepis sempervirens Doris K. Kildale 1928-8-19 6556 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC36247  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13545 Siskiyou Caribou Gulch Comment
  HSC45892  Chrysolepis sempervirens Laura Witherspoon 1978-8-14 76 Siskiyou Klamath National Forest; 1 mi. NW on 46N92 1646 Comment
  UC119263  Chrysolepis sempervirens unknown 1895-8-8 Siskiyou Siskiyou Mts. Comment
  UCR37810  Chrysopsis villosa var. hispida K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn Wilderness Area, Marble Mtn Guard Station, Scott Bar 15' Q. Comment
  SD112666  Chrysothamnus viscidiflorus subsp. stenophyllus Darley F. Howe 1964-8-5 3937 Siskiyou 8.2 miles south of Dorris on Highway 97. 1280 Comment
  UC1136965  Chrysothamnus viscidiflorus subsp. viscidiflorus H. A. Jensen 1933-8-29 344 Siskiyou near Cedar Park School; Dunsmuir Quad. 883 Comment
  HSC68242  Cichorium intybus J. P. Smith, Steve Selva 1970-7-17 4425 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC190007  Cinna latifolia John Thomas Howell 1939-8-6 15094 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  HSC19004  Circaea alpina subsp. pacifica J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC285348  Cirsium andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC285345  Cirsium andersonii C. G. Pringle August 28 s.n. Siskiyou Unspecified Comment
  CDA1134  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -B Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  CDA1188  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  CDA20747  Cirsium cymosum M. Wetherwax 2002-5-25 s.n. Siskiyou Near Gazelle, northwest of Weed. Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC278049  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CDA1205  Cirsium douglasii var. breweri T. C. Fuller 1959-1 3088 -A Siskiyou 3 mi. N/ Weed; Shasta River, wet meadow just S/ Hwy 99. Comment
  UC91726  Cirsium douglasii var. breweri K. Brandegee 1887-7-1 Siskiyou Dunsmuir Comment
  HSC75625  Cirsium scariosum J. O. Sawyer, R. J. Cole 1980-7-23 3907 Siskiyou S of Tennant 1524 Comment
  CAS-BOT-BC228958  Cistanthe umbellata Doris K. Kildale 1928-7-2 5370 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC228972  Cistanthe umbellata A. A. Heller 1922-7-15 13695 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC228955  Cistanthe umbellata F. D. Douthitt 1923-7-13 3 Siskiyou Klamath National Forest, Dry Lake Mt. 2133 Comment
  POM259020  Clarkia lassenensis W. Bridge Cooke 1940-6-4 15023 Siskiyou Along an old logging road on the north side of the mountain near Bolam Station 1220 Comment
  CAS-BOT-BC163455  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-22 45157 Siskiyou Walker, Klamath River 533 Comment
  CAS-BOT-BC163458  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  CAS-BOT-BC164972  Clarkia rhomboidea Doris K. Kildale 1928-7-2 5356 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  UC164469  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  RSA448345  Clarkia rhomboidea Louis C. Wheeler 1934-6-2 2611 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CAS-BOT-BC439104  Claytonia cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  UC163803  Claytonia cordifolia Geo. D. Butler 1908-8-8 65 Siskiyou Marble Valley on Marble Mt.; Marble Mt, Marble Valley Comment
  UC922368  Claytonia cordifolia Annie M. Alexander and Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  RSA332450  Claytonia cordifolia J. P. Smith, Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  UC1223247  Claytonia cordifolia Joseph P. Tracy 1951-6-16 19460 Siskiyou n of Siskiyou Mountains summit of crossing (where small stream crosses road); Siskiyou Mountains Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  HSC61812  Claytonia lanceolata Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  POM164049  Claytonia parviflora Geo. D. Butler 1909-4-16 675 Siskiyou [Unspecified] Comment
  RSA601897  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  HSC64297  Claytonia parviflora subsp. parviflora J. P. Smith 1973-5-5 6456 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC166188  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-4-16 675 Siskiyou near Yreka Comment
  UC1408943  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle's Lake Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1859 Comment
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  HSC22226  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 991 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC64301  Claytonia rubra subsp. rubra J. P. Smith, Steve Selva 1970-6-16 4021 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CHSC98057  Claytonia sibirica K. L. Chambers 1984-6-10 5138 Siskiyou Mt. Shasta City, Big Springs at the city park towards N end of city, W of old highway. On the stone check-dam and at edge of creek below it,. Comment
  CAS-BOT-BC92762  Clematis ligusticifolia Carl B. Wolf 1927-8-26 1020 Siskiyou On the Klamath River, 5 miles below Hornbrook. Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  CHSC33848  Clintonia uniflora J. D. Prouty 1981-8-5 1284 Siskiyou Adjacent to Whiskey Creek and road 39N51.2. 1219 Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  UC722296  Collinsia linearis C. L. Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  SBBG6871  Collinsia parviflora J. M. Tucker 1947-5-17 1556 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  JEPS84181  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) 1420 Comment
  HSC628  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 217 Siskiyou N side of Caribou Mtn. 1982 Comment
  RSA411147  Collomia grandiflora B. C. Templeton 1960-6-21 8532 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  RSA48009  Collomia heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11780 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1067 Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  HSC19054  Collomia tinctoria J. O. Sawyer 1969-7-1 968 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  CAS-BOT-BC230676  Collomia tracyi L. B. Kildale 1930-6-1 9702 Siskiyou Salmon River at [Cropp?] Creek Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  RSA237634  Corallorhiza mertensiana Frederick W. Oettinger 1967-7-30 222 Siskiyou Near the campsite at the N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1723 Comment
  RSA381991  Corallorhiza mertensiana M. B. Dunkle 1944-7-4 9066 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  JEPS70113  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1972-8-4 3150 Siskiyou ca. 4 mi nw Mt. shasta City (s of Black Butte, 0.1 mi from road parallelling old US Hwy 99, along Pony Trail Dr, near Shasta Abbey (Zen Mission)) 1188 Comment
  UCD123177  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; C. L. Custer, G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 miles below (and SE of) summit of the road between Takilma, Oregon and Happy Camp, California. Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek. 914 Comment
  RSA237381  Cornus californica Frederick W. Oettinger 1968-9-1 634 Siskiyou E. shore of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC23694  Cornus canadensis J. O. Sawyer 1969-8-5 1788 Siskiyou Along Sugar Creek. 1921 Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  UCSB15565  Cornus nuttallii Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 18.1 miles northwest of Happy Camp; Siskiyou Mountains 1280 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-BC210405  Cornus sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  CAS-BOT-BC210415  Cornus sericea L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  CAS-BOT-BC210420  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou Near Sisson Comment
  SFV5169  Cornus sericea subsp. sericea B. C. Templeton 1960-6-21 8557 Siskiyou Klamath Mountains 2 miles below the summit of Scott Mountain. 1430 Comment
  SD76183  Cornus stolonifera Helen V. Witham 1969-10-7 563 Siskiyou Near Ft. Jones. 700 Comment
  UC1045282  Corylus californica W. B. Cooke 1940-7-12 15308 Siskiyou near the Box Canyon of the Sacramento near Mt. Shasta City 914 Comment
  UC61176  Corylus californica W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  CAS-BOT-BC180203  Corylus cornuta subsp. californica A. A. Heller 1905-6-5 7971 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 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
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  JEPS107477  Crepis bakeri Lowell Ahart, John Dittes 2005-6-9 12028 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
  CAS-BOT-BC376448  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC299651  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC376542  Crepis monticola G. L. Stebbins, Jr.; E. B. Babcock 1936-6-13 1974 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1180 Comment
  CAS-BOT-BC376558  Crepis occidentalis subsp. conjuncta Doris K. Kildale 1928-7-2 5374 Siskiyou Salmon Summit via Horn Creek trail Comment
  UC581295  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1938 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  CAS-BOT-BC376572  Crepis occidentalis subsp. pumila G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2441 Siskiyou 2 1/2 mi. northeast of Fort Jones, along highway to Yreka 850 Comment
  CAS-BOT-BC290875  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 a Siskiyou Cantara Comment
  CAS-BOT-BC290878  Crepis pleurocarpa Alice Eastwood 1921-7-24 10780 Siskiyou Castle Lake Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  UC455528  Crepis pleurocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  UCR37826  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15'Q. 1982 Comment
  POM230911  Crepis pleurocarpa G. Ledyard Stebbins, J. A. Jenkins 1937-7-19 2445 Siskiyou Ridge between Big Mill and Mule Creek, near road from Callahan to Carrville 1220 Comment
  UC166184  Crocidium multicaule Geo. D. Butler 1909-3-7 553 Siskiyou drylands near Yreka Comment
  UCD105963  Cryptantha Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  HSC19008  Cryptantha affinis J. O. Sawyer 1969-7-11 867 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC3598  Cryptantha celosioides R. C. Wunner 1965-6-15 184 Siskiyou Lava Beds National Monument; SE side of Caldwell Butte, ca. 1/2 way down steep red cinder slope above cinder pit 1463 Comment
  CHSC93544  Cryptantha intermedia Lowell Ahart; John Dittes 2005-6-10 12114 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS101142  Cryptantha intermedia Dean W. Taylor 1996-6-18 15724 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  CDA40514  Cryptantha intermedia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2648 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CAS-BOT-BC278776  Cryptantha subretusa R. C. Wenk 2005-7-19 334 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC1199975  Cryptantha torreyana Roy L. Taylor 1960-6-11 4435 Siskiyou 1.5 mi nw Weed (on Highway 99) Comment
  UC61054  Cryptantha torreyana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  POM72148  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  HSC54727  Cryptogramma acrostichoides G. L. Clifton, Griswold 1979-7-26 10134 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC85604  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards NE of Quarry, Fall river Mills Quad. 1109 Comment
  CAS-BOT-BC85607  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mi. N.E. of Timbered Crater on Old Stage Rd. from Dana to Little Hot Springs Valley 1219 Comment
  RSA17602  Cupressus bakeri C. B. Wolf 1934-7-8 6166 Siskiyou 1 mile NE of Timbered Butte, Modoc Lava beds on Old Stage Road from Dana Little Hot Springs Valley Comment
  UC650672  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  SEINET10899757  Cupressus bakeri subsp. matthewsii Carl B. Wolf 1944-10-29 Wolf 5051 Siskiyou North West side Goose Nest Mountain. About 1 mi due South of old Smith sawmill on Montague to Mt. Hebron Road. Arid Transition:- Incense cedar, yellow Pine. Sun. Slopes. Volcanic Rock. 1675 Comment
  UCSB23221  Cuscuta cephalanthi Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  UCD77583  Cycladenia humilis Robert E. Preston 2002-7-12 1917 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 2072 Comment
  UC61043  Cycladenia humilis var. humilis W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Mt. Shasta, Sisson Comment
  CDA39726  Cycladenia humilis var. humilis J. Massey & B. Ruddiman 1975-7-24 s.n. Siskiyou Near Tulelake 0 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  UCR247492  Cynoglossum officinale Ashley Knight 2012-7-16 s.n. Siskiyou Shasta/Trinity National Forest, slightly west of Slagger Camp Comment
  CAS-BOT-BC114693  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou On Klamath River, 14 mi above Happy Camp Comment
  UC183884  Cyperus erythrorhizos Geo. D. Butler 1909-9-5 868 Siskiyou along creek near Yreka Comment
  JEPS104992  Cyperus squarrosus Dean W. Taylor 1996-7-27 15866 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  RSA383004  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  HSC363  Cystopteris fragilis William J. Ferlatte 1967-7-9 699 Siskiyou Kidd Creek Trail 1677 Comment
  UCD78123  Cystopteris fragilis Robert E. Preston 2001-6-23 1584 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CAS-BOT-BC70719  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  RSA239099  Dactylis glomerata Frederick W. Oettinger 1968-9-6 739 Siskiyou Tom's Lake region . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC1265413  Dactylis glomerata F. W. Oettinger 1968-9-6 739 Siskiyou Bear Meadow Tom's Lake Region (Salmon Mountains, W Siskiyou Co.); Salmon Mountains, Tom's Lake Region 2186 Comment
  CAS-BOT-BC192252  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Klamath National Forest, Little Smoky Cr. 1280 Comment
  CAS-BOT-BC192260  Danthonia californica W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  SEINET10598237  Danthonia californica George D. Butler 1910-7-8 Butler 1660 Siskiyou Wet meadow, Shackleford Creek. 1219 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UCD60865  Danthonia californica var. americana A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3439 Siskiyou Near Happy Camp. Above Klamath River. Comment
  UCD60971  Danthonia californica var. americana S. S. Tillett 1956-7-11 683 Siskiyou Siskiyou-Trinity County line: Ca. 8 mi. SE of Calahan. 1615 Comment
  HSC19074  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-5 1753 Siskiyou W of Little Duck Lake 2073 Comment
  HSC19078  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-2 1703 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  UC1185279  Darlingtonia californica H. E. Brown June 1-10 1897 389 Siskiyou near Sisson 1083 Comment
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Nov 6 2019
  UC54472  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson; Sacramento River, 18th Crossing 1036 Comment
  CAS-BOT-BC420660  Darmera peltata Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  HSC43033  Daucus carota J. O. Sawyer, K. T. Stillman 1976-7-2 2806 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC1334523  Delphinium andersonii G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 18 Siskiyou sw-facing slope Sconchin Butte Comment
  JEPS96881  Delphinium antoninum Dean W. Taylor 1999-6-10 17248 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  CAS-BOT-BC9573  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  CAS-BOT-BC9048  Delphinium decorum subsp. tracyi Harley Pierce Chandler 1901-6-1 1589 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  HSC27493  Delphinium depauperatum J. P. Smith, J. O. Sawyer 1972-5-27 5343 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  JEPS123411  Delphinium glaucum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -133 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  HSC733  Delphinium glaucum William J. Ferlatte 1966-8-18 404 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC76663  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  HSC24998  Delphinium nudicaule R. C. Wunner 1965-6-6 77 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  UC467719  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1911-6-26 193 Siskiyou Jackson L. 1798 Comment
  RSA68853  Delphinium nuttallianum A. E. Culbertson 1943-6-26 103 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCD37081  Deschampsia cespitosa Beecher Crampton 1956-8-21 3820 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 Comment
  POM161565  Deschampsia elongata Geo D. Butler 1909-6-20 840 Siskiyou Damp land near Yreka Comment
  UC1950437  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou where several forks join before a steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  JEPS53447  Descurainia pinnata Geo. D. Butler 1909-6-12 895 Siskiyou McAdams' Creek Comment
  CHSC48327  Descurainia sophia Vernon Oswald 1986-5-29 2067 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 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
  HSC60153  Dicentra formosa D. L. Goforth 1979-7-7 236 Siskiyou Klamath National Forest, Condrey Mtn., near Dear Camp 1860 Comment
  CAS-BOT-BC402545  Dicentra pauciflora Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC402548  Dicentra pauciflora Ira L. Wiggins 1950-5-28 12380 Siskiyou Ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  SBBG2376  Dicentra pauciflora H. and M. Dearing 1938-6-28 2186 Siskiyou Mt Shasta 1828 Comment
  CAS-BOT-BC502188  Dichelostemma ida-maia E. K. Balls 1949-7-10 13954 Siskiyou 5 miles from Sawyer's Bar on road to Cecilville. 1219 Comment
  HSC30436  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Marble Mtns. Wilderness Area, off the trail and uphill from from the stock gate on the English Lake-Abbott's Upper Cabin trail 1829 Comment
  UC86882  Dieteria canescens var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  CHSC69092  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CAS-BOT-BC153651  Diplacus jepsonii Wm. Bridge Cooke 1938-7-15 11214 Siskiyou Above Bear Springs Comment
  RSA520564  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 81 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  CHSC1391  Dodecatheon alpinum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2590 Comment
  SEINET4904065 Image available Dodecatheon alpinum Unknown 1991-5-27 s.n. Siskiyou Klamath National Forest, Poker Flats. West Branch (2200 ft) a Forest Service Camp Ground or Poker Flats (5200 ft) a high mountain meadow. 671 Comment
  HSC44970  Dodecatheon jeffreyi J. O. Sawyer 1978-6-20 3269 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  RSA436119  Downingia bacigalupii M. V. Hood 1940-08 s.n. Siskiyou Mt. Hebron summit, near Mt. Shasta. 1220 Comment
  HSC77005  Draba albertina K. T. Stillman 1976-6-25 84 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  HSC66239  Draba carnosula Maralyn A. Renner 1980-8-7 2376 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  SEINET10735651 Image available Draba carnosula H. E. Brown 1897-6-15 Brown 463 Siskiyou North side Mt. Shasta. 1524 Comment
  CAS-BOT-BC41765  Draba howellii M. B. Dunkle 1945-7-8 9206 Siskiyou Klamath Forest. Marble Mountains. Black Marble Mountain. 2133 Comment
  RSA654055  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1372 Comment
  HSC42906  Drymocallis glandulosa J. O. Sawyer, Ken Stillman 1976-5-28 2724 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  SBBG30527  Drymocallis glandulosa var. glandulosa D. Myrick 1968-6-25 2019 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  HSC29474  Drymocallis lactea var. lactea Frederick W. Oettinger 1969-7-13 1002 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  JEPS57170  Drymocallis pseudorupestris var. saxicola L. R. Heckard 1967-8-13 1705 Siskiyou Summit Region of Mount Eddy Mount Eddy; Summit Region of Mount Eddy 2743 Comment
  UCD98822  Dysphania pumilio A. A. Heller 1915-8-24 11210 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET7583464 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-15 1387 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  UC2026511  Eleocharis bella Louis C. Wheeler 1958-8-24 7428 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  RSA238952  Eleocharis bella Frederick W. Oettinger 1969-8-24 1518 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CHSC88378  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA238944  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC1265457  Eleocharis suksdorfiana Frederick W. Oettinger 1969-8-19 1453 Siskiyou ridge between David Mountain and Abbotts Lake Basin Salmon Mountains, Marble Mountain Wilderness Area (high lakes basins in the vicinity of English Peak) 1905 Comment
  JEPS117632  Elodea canadensis Lowell Ahart, John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC451553  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
  HSC103032  Elymus caput-medusae J. P. Smith 2014-6-7 13890 Siskiyou Yreka 844 Comment
  HSC39647  Elymus caput-medusae J. P. Smith, J. O. Sawyer 1971-9-18 4673 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC227913  Elymus elymoides M. B. Dunkle 1945-7-22 9241 Siskiyou Klamath National Forest. Wooley Pocket 2133 Comment
  CAS-BOT-BC227927  Elymus elymoides Alice Eastwood 1921-7-28 10934 Siskiyou Medicine Lake Comment
  RSA211383  Elymus elymoides William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS72942  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20009 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  JEPS72943  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20011 Siskiyou n Mt. Shasta; Andesite Station 975 Comment
  UC157087  Elymus elymoides subsp. elymoides Dr. E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon Comment
  HSC38714  Elymus elymoides var. elymoides J. D. Ackerman, A. M. Montalvo 1975-7-18 574 Siskiyou S Fk of Sacramento River, off USFS Rd. 40N30. Between Mt. Eddy and Boulder PK. SW of Mt. Shasta City. Comment
  CAS-BOT-BC206602  Elymus glaucus subsp. glaucus W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  CAS-BOT-BC206612  Elymus glaucus subsp. glaucus Geo. D. Butler 1910-7-3 1624 Siskiyou Goosenest foothills Comment
  JEPS72940  Elymus glaucus subsp. jepsonii W. L. Jepson 1940-6-28 20054 Siskiyou McCloud 975 Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  UC1666801  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  SEINET10554730  Elymus trachycaulus George D. Butler 1910-7-3 Butler 1624 Siskiyou Creek bed, Goose nest foothills. 1219 Comment
  JEPS117634  Elymus trachycaulus subsp. trachycaulus Lowell Ahart, John Dittes 2010-7-30 16957 Siskiyou About 20 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA34384  Epilobium anagallidifolium W. Bridge Cooke 1947-8-20 17818 Siskiyou Around the water supply spring above Horse Camp, Mount Shasta. 2515 Comment
  HSC77244  Epilobium brachycarpum L. P. Janeway 1983-9-11 666 Siskiyou Poker Flat 1524 Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  POM32376  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  RSA237401  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1096797  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou along crk. 1 mi n junction with Military Pass Rd; North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  UC422949  Epilobium glaberrimum subsp. glaberrimum Milo S. Baker 1899-7-31 Siskiyou e slope of mt Mt. Shasta (and Ash Creek) Comment
  POM258627  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-7-5 15231 Siskiyou Mt. Shasta: in the meadow at Bear Springs. 1524 Comment
  UC1034571  Epilobium glaberrimum subsp. glaberrimum Douglas Barbe 1955-7-26 282 Siskiyou n slope Klamath Mountains, Scott Mountain 1920 Comment
  JEPS109653  Epilobium hallianum Dean W. Taylor 2002-6-29 18202 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  SBBG25890  Epilobium minutum D. Myrick 1966-8-9 1506 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UCD105960  Epilobium minutum Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  UC204402  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou near Deetz station (opposite Black Butte) 1158 Comment
  JEPS109694  Epilobium siskiyouense Dean W. Taylor 2002-7-20 18268 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  RSA211354  Epilobium siskiyouense William J. Ferlatte 1966-8-4 303 Siskiyou Dorleska summit. 2134 Comment
  UC399181  Equisetum hyemale subsp. affine Geo. D. Butler 1908-8-2 251 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC57806  Equisetum laevigatum J. H. Thomas 1949-6-16 941 Siskiyou 10 mi. n. of Gazelle. Comment
  UCD135540  Equisetum laevigatum Allison R. Holzer 1980-7-19 15 Siskiyou Along Kelsey Creek 1/4 mi. upstream from junction with Scott River. 731 Comment
  HSC4051  Eremogone congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mtn. Comment
  CAS-BOT-BC481933  Eremogone congesta var. crassula Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, S of Hwy 96, between Ridge and Humbug roads 1371 Comment
  CAS-BOT-BC286695  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On road to McCloud, 1/2 mile above junction with Pacific Highway 1097 Comment
  CAS-BOT-BC286698  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  CAS-BOT-BC291264  Ericameria bloomeri L. R. Short 1933-9-8 68 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  HSC4759  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat; wooded area near public camp 1524 Comment
  RSA78947  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18174 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  UC630401  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  SEINET5709305 Image available Ericameria bloomeri J. Semple, B. Semple 1981-1 5712 Siskiyou Mt. Shasta, A 10.; Shasta 1524 Comment
  CAS-BOT-BC287490  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou E side, Mt Eddy 1889 Comment
  UCD35437  Ericameria nauseosa Beecher Crampton 1956-8-21 3842 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  CAS-BOT-BC294308  Ericameria nauseosa var. speciosa Alice Eastwood 1912-8-28 1938 Siskiyou Cantara Comment
  CAS-BOT-BC294305  Ericameria nauseosa var. speciosa Ella Dales Cantelow 1936-10-23 s.n. Siskiyou 16 mi. n.w. of Yreka, Klamath River, Hy #96 Comment
  UCR51769  Erigeron breweri var. klamathensis L. C. Wheeler 1934-8-6 03055 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  HSC29206  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; on 'Shasta Ridge, SE of Diamond Lake 2073 Comment
  JEPS105428  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  CHSC36145  Erigeron compositus K. Bridwell 1978-4-15 93 Siskiyou Cliff ca. 400 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  RSA17741  Erigeron elegantulus Elmer I. Applegate 1935-6-11 9494 Siskiyou Upper Ice Cave, south end of big lava flow, Lava Beds National Monument Comment
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Feb 6 2015
  HSC2229  Erigeron filifolius J. W. Thompson 1936-7-8 13157 Siskiyou Lava Beds National Monument, lava slopes Comment
  SEINET9332119  Erigeron filifolius 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
  CHSC71470  Erigeron filifolius var. filifolius Vernon H. Oswald; Lowell Ahart 1998-7-21 9313 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC166195  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Russian Creek, Highland Mine Comment
  HSC92365  Erigeron glacialis var. glacialis Jennifer Whipple 1976-7-9 1385 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC295397  Erigeron inornatus Annetta Carter 1939-8-21 1474 Siskiyou Near crest of peak above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  CAS-BOT-BC295399  Erigeron inornatus John Thomas Howell 1934-7-4 12401 Siskiyou Se. corner of Siskiyou Co. Comment
  UC163916  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug <?> Mountain 1066 Comment
  UC1299252  Erigeron klamathensis Freed W. Hoffman 1950-7-13 3552 Siskiyou W Siskiyou County Baldy Mountain Comment
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  RSA789814  Erigeron petrophilus var. viscidulus Rebecca Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta Comment
  UCD77639  Erigeron tener Robert E. Preston 2001-7-21 1715 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  SBBG17643  Eriodictyon californicum M. A. Piehl 1956-8-14 Siskiyou rd near Happy Camp Comment
  SBBG115567  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou Eaton-Duck Lakes trailhead, Russian Wilderness 1524 Comment
  CAS-BOT-BC105085  Eriogonum congdonii R. C. Wenk 2008-7-25 950 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  JEPS116585  Eriogonum congdonii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  RSA60782  Eriogonum congdonii Dorothy Parker 1948-8-19 s.n. Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  CAS-BOT-BC246490  Eriogonum diclinum John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC43406  Eriogonum diclinum K. T. Stillman 1976-6-27 148 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  UC375314  Eriogonum elatum Geo. D. Butler 1908-7-5 516 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC255758  Eriogonum elatum var. villosum L. R. Abrams 1922-8-6 9907 Siskiyou Between summit and Hornbrook Comment
  UCD19115  Eriogonum elatum var. villosum A. M. Shapiro 1986-7-16 s.n. Siskiyou Ball Mountain. 1981 Comment
  CAS-BOT-BC94467  Eriogonum marifolium R. C. Wenk 2005-7-19 328 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  RSA11907  Eriogonum marifolium Elmer I. Applegate 1923-8-20 3902 Siskiyou Medicine Lake, west side 1982 Comment
  SBBG122852  Eriogonum marifolium B. Ertter 1990-7-16 9382 Siskiyou ca 2 mi E of Parks Crk trailhead (crest of Rd 17), along ridge, NW side of Mt Eddy, ca 8 air-mi SW of Weed 2316 Comment
  UC1601649  Eriogonum marifolium Dr. E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2346 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  CAS-BOT-BC263183  Eriogonum marifolium var. cupulatum Mrs. H. C. Cantelow 1939-6-10 s.n. Siskiyou McCloud 991 Comment
  CAS-BOT-BC267393  Eriogonum marifolium var. marifolium Wm. Bridge Cooke 1939-6-23 13529 Siskiyou Mount Shasta. Along the Wagon Camp road in the vicinity of Wagon Camp Comment
  HSC27107  Eriogonum nudum var. nudum Carl W. Mize 1972-6-21 60 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  UC466019  Eriogonum nudum var. nudum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC269739  Eriogonum nudum var. oblongifolium Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CDA22631  Eriogonum nudum var. oblongifolium E. Hale 1983-7-19 Siskiyou Yreka vicinity. 0 Comment
  SD22512  Eriogonum nudum var. oblongifolium Susan G. Stokes July 14 Siskiyou Near Yreka Comment
  JEPS56648  Eriogonum nudum var. pubiflorum W. L. Jepson 1907-7-22 2954 Siskiyou Hamburg Klamath River, Hamburg Comment
  CAS-BOT-BC383120  Eriogonum pyrolifolium Andrew Townesmith; Karen M. Meyer 2007-7-30 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CAS-BOT-BC267705  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River, east end of Seiad Valley Comment
  CAS-BOT-BC267708  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  UCD101243  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass Road, Mt. Shasta. 1828 Comment
  RSA123624  Eriogonum sphaerocephalum G. D. Barbe 1955-6-28 s.n. Siskiyou 0.3 mi. north of Callahan on dry, rocky hillside. 1006 Comment
  CAS-BOT-BC262758  Eriogonum strictum var. anserinum Dorothy Parker 1948-2-20 153 Siskiyou Schoolhouse Hill, Plowman's Valley 1153 Comment
  HSC43456  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  UC164081  Eriogonum strictum var. proliferum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  CHSC99718  Eriogonum ternatum L. P. Janeway 2008-7-24 9483 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  CAS-BOT-BC267947  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC267949  Eriogonum umbellatum Alice Eastwood; John Thomas Howell 1940-6-14 8257 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  CAS-BOT-BC267977  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  HSC289  Eriogonum umbellatum var. argus William J. Ferlatte 1967-8-23 1083 Siskiyou Head of Kidd Creek, E side of Black Mtn. 2439 Comment
  SDSU7196  Eriogonum umbellatum var. argus D. F. Howe 1965-8-8 4123 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  UC1413439  Eriogonum umbellatum var. goodmanii James L. Reveal, Caroline G. Reveal 1974-8-18 3799 Siskiyou along the road to Bolan Mountain Lookout 1.4 mi e O'Brien-Happy Camp road; Siskiyou Mountains 1645 Comment
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Nov 15 2011
  CAS-BOT-BC268144  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1940-7-26 15369 Siskiyou Mount Shasta. Along Diller Canyon Comment
  HSC43410  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-7-7 169 Siskiyou Marble Mtn. Wilderness Area, upper slope 2073 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  SBBG25875  Eriogonum umbellatum var. modocense D. Myrick 1966-8-7 1486 Siskiyou near Lake Josephine, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  UCSB63911  Eriogonum umbellatum var. nevadense Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Southeast of Medicine Lake at Paynes Springs: T43N R4E NW1/4 Sect. 19; on the rim of Paynes Creek Canyon north of the campground 1981 Comment
  JEPS107389  Eriogonum umbellatum var. polyanthum Lowell Ahart, John Dittes 2005-6-10 12085 Siskiyou Rocky hillside, about 150 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-BC262370  Eriogonum vimineum Gordon H. True No date on label 3295 Siskiyou Scott Valley, just west of Fort Jones 792 Comment
  CHSC86658  Eriophyllum lanatum Jenny Marr 1993-7-1 41 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC301134  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou Base of Black Butte near Mt. Shasta Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  POM30801  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1067 Comment
  UC1483521  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-10 863 Siskiyou ridge 1 mi s of Greenhorn Road (1 mi e of Mill Creek); Yreka Quadrangle 1341 Comment
  CAS-BOT-BC308281  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  CHSC331  Eriophyllum lanatum var. integrifolium V. Holt 1943-8-15 Siskiyou Marble mountains. 1219 Comment
  RSA215650  Eriophyllum lanatum var. integrifolium Gilbert Muth 1969-8-6 1189 Siskiyou Boulder Park. 2530 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  CAS-BOT-BC301713  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  HSC29226  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Marble Mtn. Wilderness Area; NE of Horse Range Lake 1822 Comment
  JEPS29199  Eriophyllum lanatum var. lanceolatum Lauramay T. Dempster 1961-7-1 1826 Siskiyou along ridge from Condry Mountain to White Mountain Comment
  UCR129902  Eriophyllum lanatum var. lanceolatum L. C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek 1524 Comment
  POM358042  Eriophyllum lanatum var. lanceolatum B. C. Templeton 1960-6-21 s.n. Siskiyou Near the summit of Scott Mts., SE of Callahan Comment
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  UCD77688  Eryngium alismifolium Robert E. Preston 2000-8-16 1433 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain. 1423 Comment
  RSA262447  Erysimum capitatum var. perenne J. M. Tucker 1963-7-7 3717 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1037378  Erysimum perenne Douglas Barbe 1955-7-6 116 Siskiyou along ne shore Taylor Lake; Klamath Mountains, Salmon Mountains 1950 Comment
  CAS-BOT-BC153749  Erythranthe alsinoides R. C. Barneby 1954-5-16 11519 Siskiyou Scott R. canyon 11 mi. above Scott Bar 670 Comment
  CAS-BOT-BC416330  Erythranthe breweri Geo. D. Butler 1908-8-7 437 Siskiyou West Fork of Woolly Creek Comment
  CHSC1792  Erythranthe primuloides N. Jaekal 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  SEINET3991732  Erythronium grandiflorum Unknown 1901-6-1 Siskiyou Marble Mtn. Comment
  HSC44942  Erythronium grandiflorum subsp. grandiflorum J. O. Sawyer 1978-6-20 3262 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  JEPS50874  Erythronium klamathense Wayne Roderick 1963-6-10 Siskiyou along trail from Castle Lake to Little Castle Lake 1828 Comment
  SEINET3160627  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  JEPS101309  Eucephalus ledophyllus Dean W. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  JEPS74516  Eucephalus ledophyllus W. J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine Trinity Alps 1981 Comment
  CAS-BOT-BC383118  Eucephalus tomentellus Andrew Townesmith; Karen M. Meyer 2007-7-28 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  RSA105401  Euonymus occidentalis Douglas Barbe 1955-6-30 060 Siskiyou 0.8 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  RSA34279  Euphorbia crenulata C. B. Wolf 1934-7-6 6030 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  HSC42923  Eurybia radulina Ken Stillman 1976-8-31 463 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  SEINET5708046 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  UC135418  Eurybia radulina Dr. E. B. Copeland 1903-9-8 3869 Siskiyou foot of Mt. Eddy Mt. Eddy 121 Comment
  JEPS22446  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou between Yreka and Montague Yreka; Shasta River Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  CAS-BOT-BC459230  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  HSC42973  Festuca californica J. O. Sawyer, K. T. Stillman 1976-5-29 2742 Siskiyou Along Specimen Creek 915 Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC27480  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-5-28 5384 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  HSC92562  Festuca idahoensis Jennifer Whipple 1977-8-4 2150 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC22454  Festuca occidentalis J. O. Sawyer 1969-6-11 841 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  HSC99293  Festuca occidentalis Gail Newton 1980-6-20 487 Siskiyou Near Bald Mtn. 1097 Comment
  UCD66151  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET10553347  Festuca pratensis A. Arthur Heller 1915-8-24 Heller 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. The prevalent tree is Douglas fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 1189 Comment
  RSA215653  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  HSC92060  Floerkea proserpinacoides Jennifer Whipple 1976-7-2 1282 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC59976  Frangula purshiana Alice Eastwood 1921-7-30 11007 Siskiyou Soda Creek. Comment
  CAS-BOT-BC59989  Frangula purshiana Elmer I. Applegate 1895-5-30 64 a Siskiyou Sacramento Canyon, upper crossing SPRR, below Sisson. Comment
  CAS-BOT-BC60010  Frangula purshiana Wm. F. Herrin 1920-1-1 s.n. Siskiyou Shasta Springs. Comment
  HSC100188  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-3 13408 Siskiyou Along Old Shasta River Road. 744 Comment
  HSC77025  Frangula rubra K. T. Stillman 1976-6-25 51 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CAS-BOT-BC59597  Frangula rubra subsp. rubra Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  POM208196  Frasera albicaulis var. nitida Louis C. Wheeler 1934-6-21 2742 Siskiyou West Fork Cottonwood Creek, Siskiyou Mountains. 1372 Comment
  CAS-BOT-BC223582  Fraxinus latifolia Laura M. Lathrop 1903-7-1 s.n. Siskiyou Shasta Retreat Comment
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  CDA39339  Fritillaria affinis D. Osterhandt & D. H. Shaw 1978-4-11 s.n. Siskiyou Vicinity of Forks of Salmon. 0 Comment
  SBBG994  Fritillaria atropurpurea H. and M. Dearing 1939-6-28 2185 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  UCSB15824  Fritillaria micrantha Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0,miles east of McCloud; Cascade Mountains 1127 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
  UCD121734  Galium aparine J. M. Tucker 1950-7-23 1935 Siskiyou West of Mount Shasta High School, town of Mount Shasta. Comment
  SEINET10500692  Galium bifolium Mary Susan Taylor 1980-7-8 Taylor 3107 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  HSC19303  Galium bolanderi J. O. Sawyer 1969-6-10 806 Siskiyou S face near Sugar Lake 1829 Comment
  HSC90594  Galium glabrescens subsp. glabrescens Jennifer Whipple 1977-7-22 2036 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  HSC82477  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4797 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  HSC23549  Galium triflorum J. O. Sawyer 1970-7-4 2320 Siskiyou S of Cedar Flat Cabin 1494 Comment
  HSC39829  Galium triflorum J. O. Sawyer 1969-7-18 1398 Siskiyou Above S Russian Creek 1905 Comment
  JEPS80604  Galium triflorum Gilbert Muth 1966-7-29 461 Siskiyou by waterfall Marble Mt. Wilderness Area, Marble Valley 1798 Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  JEPS25702  Galium triflorum P. C. Hutchison 1961-5-22 2035 Siskiyou on hwy US 299 3.7 mi s Clear Creek (south of Happy Camp) (w side of river at Browns Creek); Klamath River Comment
  HSC19179  Garrya buxifolia J. O. Sawyer 1968-9-11 698 Siskiyou Slopes above Twin Valley 1463 Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  HSC27595  Garrya fremontii Carl W. Mize 1972-6-21 66 Siskiyou Along main trail 305 Comment
  HSC29256  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UCSB24872  Garrya fremontii Favero, R. 1968-3-27 Siskiyou on southwest steep slopes; 1.5 miles west of Yreka, Calif, on Humbug road, Humbug Mountain 975 Comment
  CAS-BOT-BC182157  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreka 1066 Comment
  UC2028811  Gayophytum diffusum subsp. diffusum Neal Kramer 2012-7-20 2066 Siskiyou Approx. 1.5 miles west of Etna. 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
  UC873638  Gayophytum diffusum subsp. parviflorum P. A. Munz 1941-9-10 16307 Siskiyou above Horse Camp Creek (near); Mt. Shasta Comment
  RSA120944A  Gayophytum diffusum subsp. parviflorum Wagnon 1957-8-11 1700 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  UC1112874  Gayophytum heterozygum Wagnon 1957-8-11 1700 Siskiyou e slope of mt. ca 1 mi w Military Pass Rd. (along Rd. to Brewer's Cr.); Mt. Shasta Comment
  UC873647  Gayophytum heterozygum W. Bridge Cooke 1941-9-5 16273 Siskiyou along the Memorial Hwy below MacBride Springs; Mt. Shasta Comment
  POM258616  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15343 Siskiyou Mount Shasta: Along the Sisson Southern Trail near MacBride Springs. 1524 Comment
  POM258619  Gayophytum heterozygum W. Bridge Cooke 1940-7-5 15222 Siskiyou Along the Wagon Camp road in dry places near Howard, Mount Shasta. 1220 Comment
  RSA600334  Gayophytum humile Louis C. Wheeler 1935-7-24 3691 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  JEPS80608  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou trail behind Black Mountain; Marble Mt. Wilderness Area 1975 Comment
  UC123657  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou near bank McCloud R. Comment
  UCD77735  Gentiana calycosa Robert E. Preston 2002-7-14 1932 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1895 Comment
  UCD35430  Gentiana newberryi Beecher Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  NY297643  Gentiana plurisetosa C. C. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  RSA68913  Gentiana simplex A. E. Culbertson 1943-8-4 45 Siskiyou One fourth m. below Castle Lake; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains. 2000 above Sacramento River within ten air miles of its headwaters to the west. 1657 Comment
  SEINET8586823  Gentianella amarella W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  JEPS123405  Gentianella amarella subsp. acuta Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -125 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  UC1584287  Gentianella amarella subsp. acuta J. Kierstead, R. Bittman, and M. Myers 1989-8-11 89 -69 Siskiyou Gumboot Creek crossing Shasta-Trinity National Forest, Mt. Shasta Ranger District (s side of FS Rd 26) 1767 Comment
  SD76156  Gentianella amarella subsp. amarella Helen V. Witham 1969-10-4 560 Siskiyou In bog above Kangaroo Lake, Scott Mountains. 2100 Comment
  UC166618  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  SBBG30525  Geum macrophyllum var. perincisum D. Myrick 1968-6-27 2038 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  POM140064  Geum triflorum var. ciliatum Geo. D. Butler 1909-6-23 922 Siskiyou Goosenest Foothills. Comment
  HSC45795  Gilia capitata subsp. capitata J. P. Smith 1976-5-4 8659 Siskiyou Hwy. 96, 3.7 mi. W of Klamath National Forest boundary 610 Comment
  SEINET7073524  Gilia latifolia A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC523880  Gilia modocensis Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2.5 mi SE of Dorris Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  HSC31072  Glyceria striata Frederick W. Oettinger 1969-8-19 1468 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak, N of English Lake. 1860 Comment
  RSA238377  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1283 Siskiyou Upper edge of Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SD53391  Glyceria striata Darley F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., pool of water 1524 Comment
  UCD85213  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  CAS-BOT-BC302678  Gnaphalium palustre Louis C. Wheeler 1934-6-10 2676 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  UC4511  Goodyera oblongifolia W. H. Brewer 1862-9-16 1414 Siskiyou on Mount Shasta Mount Shasta Comment
  CAS-BOT-BC314629  Grindelia hirsutula L. E. Smith 1913-8-13 514 Siskiyou Montague Comment
  CAS-BOT-BC388471  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  RSA12592  Hackelia californica C. B. Wolf 1934-7-6 5994 Siskiyou 4 miles from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC1186470  Hackelia setosa John Weiler, A. P. Nelson 1960-6-26 60222 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  POM254007  Hackelia setosa C. L. Hitchcock, J. S. Martin 1939-7-6 5220 Siskiyou On Takilma-Happy camp road. 1677 Comment
  RSA235927  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-17 2062 Siskiyou Siskiyou County: Siskiyou Mtns, 20.9 miles N of Happy Camp) 2 miles from jct of HS Forest raods 196 & 1916B, onr road 1916. 1372 Comment
  UC221683  Hastingsia alba Dr. Edward Palmer Jul 13 1892-Jul 24 1892 2513 Siskiyou Mount Shasta and vicinity Comment
  POM169177  Hastingsia alba E. B. Copeland 1903-9-7 3877 Siskiyou Mount Eddy 1829 Comment
  CAS-BOT-BC123566  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. Shackleford Creek Trail south of Sky High Valley 1828 Comment
  HSC61972  Hazardia whitneyi var. discoidea Al Hobart 6 Aug [year missing] Siskiyou Preston Peak 2073 Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  UC1040699  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou slopes above Gumboot Lake (headwaters of river); south fork Sacramento River 1920 Comment
  JEPS35016  Helenium bigelovii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou stage road n Sisson; Region of the Upper Sacramento, Sisson Comment
  JEPS107102  Helianthella californica subsp. shastensis Barbara Ertter 1990-7-14 9324 Siskiyou Wagon Creek on e side of Mount Eddy, ca 4 air mi w of Mount Shasta City 1950 Comment
  CAS-BOT-BC123528  Helianthella californica var. shastensis Amos Arthur Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy Comment
  OBI55529  Helianthus bolanderi David J. Keil, Kathleen Keil 1992-7-21 23516 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  HSC67600  Hesperochiron pumilus J. P. Smith 1974-5-26 7380 Siskiyou Along FS Rd. 47N03 1524 Comment
  SD40655  Hesperocyparis bakeri Carl B. Wolf 1944-10-29 Siskiyou northwest side of Goose Nest Mountain, about 1 mile due south of Old Smith Sawmill on Montague to Mount Hebron Road 1675 Comment
  JEPS101011  Hesperolinon micranthum Dean W. Taylor 1987-6-24 9051 Siskiyou Tom Young Flat 1280 Comment
  HSC78308  Heterocodon rariflorum L. P. Janeway 1983-7-31 476 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  UC166203  Heterotheca oregona var. rudis Geo. D. Butler 1908-8-27 321 Siskiyou Oro Fino, old mining dump Oro Fino Comment
  JEPS81941  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
  SBBG83848  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mtn Wilderness Area, E side of Black Mtn 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
  CHSC99585  Heuchera merriamii L. P. Janeway 2008-7-22 9447 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  RSA0063194  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin. Sawtooth Ridge. Trinity Alps. 2043 Comment
  HSC42969  Heuchera micrantha J. O. Sawyer, Ken Stillman 1976-5-29 2747 Siskiyou Along Specimen Creek 1433 Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City Comment
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC58951  Heuchera rubescens Gilbert Muth 1975-7-31 4649 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  JEPS36666  Hieracium nudicaule W. L. Jepson 1940-7-1 20086 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  CAS-BOT-BC316037  Hieracium scouleri Volney Rattan 1879-6-1 s.n. Siskiyou Unspecified Comment
  RSA120888  Hieracium scouleri G. D. Barbe 1957-7-13 382 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CHSC71472  Hieracium scouleri var. nudicaule Vernon H. Oswald; Lowell Ahart 1998-7-21 9314 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  CAS-BOT-BC280780  Holcus lanatus L. E. Smith 1913-6-1 325 Siskiyou Sisson Comment
  HSC30308  Holcus lanatus William J. Ferlatte 1966-8-16 373 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  HSC34326  Holodiscus discolor J. P. Smith, J. O. Sawyer 1973-8-14 7309 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  HSC93  Holodiscus discolor William J. Ferlatte 1966-8-4 305 Siskiyou Dorleska summit 2134 Comment
  RSA11810  Holodiscus discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  RSA183703  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley, Marble Mountains. Comment
  CAS-BOT-BC150145  Holodiscus microphyllus var. glabrescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC92531  Hordeum brachyantherum Jennifer Whipple 1978-10-6 2428 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC197104  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  UC1601385  Hordeum jubatum H. S. Yates 1936-6-21 5812 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CAS-BOT-BC143945  Horkelia daucifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11709 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC143948  Horkelia daucifolia Lewis S. Rose 1945-6-18 45067 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC143952  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  JEPS81058  Horkelia daucifolia J. P. Smith and T. W. Nelson 1979-6-15 10125 Siskiyou Road to Carmen Lake 0.6 mi from its junction State Route 3; China Mtn. Quad., Klamath National Forest. 1645 Comment
  UC116852  Horkelia daucifolia K. Brandegee July 1887 Siskiyou near Klamath River (Ager) Comment
  CAS-BOT-BC143960  Horkelia daucifolia Ella Dales Cantelow 1936-5-20 1404 Siskiyou N. slope Scott Mt. 2 mi. from Callahan Comment
  SBBG26776  Horkelia daucifolia L. Constance, R. C. Rollins 1942-5-13 Siskiyou Scott River, 2 mi S of Scott Bar 548 Comment
  JEPS25597  Horkelia fusca subsp. parviflora Rimo Bacigalupi 1959-7-2 7229 Siskiyou South Fork of the Salmon River, Big Flat Campground 1508 Comment
  SEINET10483363  Horkelia fusca subsp. parviflora Mary Merello 1993-6-25 Merello 724 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC1586969  Horkelia fusca subsp. parviflora Juha Pykala and D. H. Norris 1987-7-7 2394 Siskiyou 3 rd mi from junction of rds 15 and 49 (towards Medicine Lake, Camp Two Road) Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  CAS-BOT-BC514280  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke 1938-7-15 11229 Siskiyou Mount Shasta, above Bear Springs 1676 Comment
  UC453992  Horkelia tridentata subsp. tridentata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Summit of Mt. Bradley 1981 Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  HSC30481  Hosackia pinnata Frederick W. Oettinger 1969-8-12 1342 Siskiyou Abbott's lower Cabin 1189 Comment
  UC642525  Hulsea nana W. Bridge Cooke 1939-7-26 13768 Siskiyou along summit trail below Lake Helen Comment
  JEPS1630  Hydrophyllum capitatum var. alpinum Geo. D. Butler 1910-5-10 1324 Siskiyou Bull Meadow; Goosenest Mountain 1676 Comment
  UCD119488  Hydrophyllum occidentale Sandra Holloway 1963-5-19 57 Siskiyou 2 1/2 miles west of Hawkinsville. 1066 Comment
  CAS-BOT-BC312854  Hymenoxys lemmonii Geo. D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  JEPS117555  Hymenoxys lemmonii Lowell Ahart, John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  UC127576  Hymenoxys lemmonii H. T. Mooney 1902-6-1 Siskiyou Yreka Comment
  HSC69114  Hypericum anagalloides Maralyn A. Renner 1980-8-6 2297 Siskiyou Cracker Meadow 1555 Comment
  HSC78378  Hypericum anagalloides L. P. Janeway 1983-7-31 471 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  UC1483537  Hypericum anagalloides Maralyn A. Renner 1980-8-21 2567 Siskiyou Klamath Nat'l Forest, s. corner boundary Coffee Creek Quad., Kidd Creek Klamath Nat'l Forest, Coffee Creek Quad., Kidd Creek 2042 Comment
  CAS-BOT-BC401287  Hypericum perforatum H. A. Thomas; J. H. Thomas 1954-7-21 4386 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 975 Comment
  CAS-BOT-BC206835  Iliamna bakeri A. A. Heller 1938-7-12 15253 Siskiyou Ten miles northeast of Weed along U.S. Highway #97 Comment
  RSA12665  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  HSC61922  Ipomopsis aggregata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC52432  Ipomopsis aggregata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  UCD35444  Ipomopsis aggregata Beecher Crampton 1956-8-22 3863 Siskiyou South slope of Mt. Shasta, Wagon Camp Road. 1828 Comment
  HSC77055  Ipomopsis aggregata K. T. Stillman 1976-8-7 186 Siskiyou Marble Mtn. Wilderness Area., upper slopes of Marble Mtn. 1951 Comment
  UC1409307  Ipomopsis aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Pine Trail Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  RSA31649  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  UCD118372  Ipomopsis congesta J. M. Tucker 1963-8-18 3759 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  UCD118368  Ipomopsis congesta A. H. Murphy 1958-8-6 58 J Siskiyou Klamath National Forest, Red Mountain (Boulder Peak), Marble Mountains. 2346 Comment
  RSA136340  Iris tenuissima Lee W. Lenz 1953-5-13 18297 Siskiyou 9 miles north of Siskiyou County line, road to Happy Camp Comment
  CAS-BOT-BC88665  Isatis tinctoria George Dexter Butler 1909-6-13 804 Siskiyou Scott River near Fort Jones. Comment
  CDA38006  Isatis tinctoria CDFA Staff s.n Siskiyou Fort Jones. 0 Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  UC1408844  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1935 Comment
  RSA68873  Isopyrum occidentale A. E. Culbertson 1943-6-26 83 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC324837  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1219 Comment
  RSA161166  Ivesia gordonii var. ursinorum Peter H. Raven 1956-9-4 10422 Siskiyou Summit of Mt. Eddy. 2759 Comment
  CHSC31480  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. Klamath NF/Callahan RD. 1219 Comment
  CAS-BOT-BC110017  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CAS-BOT-BC110019  Juncus Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  CAS-BOT-BC110023  Juncus Morris Halperin 1930-5-17 s.n. Siskiyou Schumacher Gulch, near Montague. Comment
  UC637023  Juncus bolanderi Edward Lee 1934-8-13 1057 Siskiyou 4 mi n Happy Camp; Klamath National Forest, Indian Creek 411 Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  JEPS124474  Juncus effusus subsp. effusus Daniel Slakey 2015-7-14 161 Siskiyou South side of Copco Lake. Along Ager-Beswick Rd. just south of junction with Patricia Ave. Comment
  HSC22404  Juncus ensifolius J. O. Sawyer 1969-8-5 1953 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  UC1108536  Juncus ensifolius Ira L. Wiggins 1955-7-21 13430 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  RSA238915  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1266 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1100995  Juncus nevadensis Herbert L. Mason 1948-7-18 13612 Siskiyou Grass Lake Comment
  LA20061  Juncus nevadensis var. nevadensis Wm. Bridge Cooke; 1940-8-22 15471 Siskiyou Mt. Shasta, near springs in Mud Creek Canyon 1981 Comment
  JEPS63865  Juncus parryi Geo. B. Grant 1902-9-1 5117 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UC1601838  Juncus parryi W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  POM110818  Juncus xiphioides Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  HSC22408  Juniperus communis var. saxatilis J. O. Sawyer 1969-7-9 1245 Siskiyou W facing slope above Bingham Lake 2317 Comment
  LA6569  Juniperus communis var. saxatilis Wm. Bridge Cooke; 1939-7-26 13743 Siskiyou above Panther Creek Meadows 2590 Comment
  UCD133821  Juniperus communis var. saxatilis Joseph M. DiTomaso 1976-9-8 689 Siskiyou Trinity Alps. South side of upper Caribou Lake. 2103 Comment
  CHSC93548  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  POM281925  Juniperus occidentalis var. occidentalis Lyman Benson 1929-3-27 1075 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  POM316064  Juniperus occidentalis var. occidentalis Patricia Wilder 1965-9-29 4192 Siskiyou Lava Beds National Monument at campground 1372 Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  RSA592549  Juniperus occidentalis var. occidentalis S. O. Mattoon 1976-6-19 36 Siskiyou Gazelle Callahan Road; 6.7 miles W of Callahan 1128 Comment
  SEINET10612645  Juniperus sibirica Edwin B. Copel 1903-10-6 Copeland 3782 Siskiyou Mt. Eddy 2250 Comment
  SEINET7852090  Kalmia microphylla Unknown 1974-1 48 Siskiyou Little Duck Lake, Siskiyou Co., T40N, R9W, Sec. 19. Meadow at West end of Little Duck Lake. Enriched Mixed Conifer Forest. Comment
  RSA760543  Kalmia polifolia R. F. Thorne, Frederick W. Oettinger 1969-8-4 63367 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  SFV17491  Keckiella corymbosa P. Wilson 1998-7-25 3549 Siskiyou Highway 96 west of Happy Camp. Mile marker 35.50. 400 Comment
  NY790360  Keckiella lemmonii D. D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, (4½ miles from Mt. Shasta City on Horse Camp trail) 1828.8 Comment
  UC160458  Keckiella lemmonii I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  UC163817  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek; Clark Mine Comment
  RSA238882  Kelloggia galioides Frederick W. Oettinger 1968-8-16 547 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC1409414  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou ne side of saddle between Tom's Lake Basin and Tobacco Lake Basin (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 1950 Comment
  HSC64371  Koeleria macrantha Don Bateman 1980-7-1 Siskiyou 12 mi. E of Macdoel. 1372 Comment
  JEPS40432  Kyhosia bolanderi Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  POM147897  Lactuca canadensis J. B. Feudge 1927-7-22 1780 Siskiyou Mt. Shasta City 1067 Comment
  CAS-BOT-BC340612  Lactuca serriola Lewis S. Rose 1926-7-29 s.n. Siskiyou Shasta Springs Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  UC864539  Lathyrus brownii A. A. Heller 1915-7-16 12096 Siskiyou n side Mt. Eddy 1524 Comment
  RSA126290  Lathyrus nevadensis subsp. lanceolatus I. L. Wiggins 1955-7-21 13427 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  RSA68869  Lathyrus nevadensis subsp. lanceolatus A. E. Culbertson 1943-7-1 87 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  HSC45166  Lathyrus nevadensis var. nevadensis J. O. Sawyer, E. Cope 1977-6-19 2946 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  POM29213  Lathyrus pauciflorus subsp. brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain. Comment
  RSA183459  Ledum glandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  CDA16172  Lepidium campestre G. F. Hrusa, T. D. Wilfred 1999-5-31 15071 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  CHSC519  Lepidium campestre G. Spurlock 1935-6-1 Siskiyou Comment
  HSC103030  Lepidium campestre J. P. Smith 2014-6-7 13888 Siskiyou Yreka 844 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
  CAS-BOT-BC89182  Lepidium draba Lincoln Constance; Reed Clark Rollins 1942-5-14 2920 Siskiyou Klamath Siskiyou Region. One mile east of Yreka. 762 Comment
  CHSC4167  Lepidium perfoliatum R. Carter 1966-5-15 398 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  CHSC91629  Lepidium perfoliatum G. F. Hrusa 2001-6-5 15841 Siskiyou Shasta Valley. Road pullout at northbound exit from I-5 at Louie Rd. 914 Comment
  SEINET7042818  Lepidium perfoliatum A. G. Vestal 1955-5-17 s.n. Siskiyou On a steep bare bank. 2.3 miles north of Yreka in the Shasta Valley. Hawkinsville quadrangle UTM Zone 10. 532221,E, 4623913mN Comment
  CAS-BOT-BC60146  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-26 1095 Siskiyou On the Klamath River, 14 miles above Happy Camp. Comment
  JEPS69868  Leptodactylon pungens Frank W. Peirson 1923-7-19 3809 Siskiyou w foot Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  RSA31680  Leptosiphon ciliatus A. A. Heller 1938-7-12 s.n. Siskiyou Along US Hwy. 97, 5 miles north of Weed Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  POM298649  Lesquerella occidentalis Lincoln Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  UC1540138  Lesquerella occidentalis subsp. occidentalis Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9262 Siskiyou Lyons Peak Medicine Lake volcanic highland region, Lyons Peak (extreme ne portion of co.) 2407 Comment
  CAS-BOT-BC341890  Lessingia nemaclada Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  HSC8217  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1972-9-14 5801 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC58261  Leucothoe davisiae Doris K. Kildale 1928-8-19 6571 Siskiyou Hancock Lake, on trail to Marble Mt. 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
  UC1408826  Lewisia Frederick W. Oettinger 1968-9-6 746 Siskiyou ridge trail e of Tom's Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2133 Comment
  HSC4440  Lewisia cotyledon William J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake Basin 1677 Comment
  HSC4868  Lewisia cotyledon J. O. Sawyer 1968-9-9 665 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  LA86527  Lewisia cotyledon John M. Tucker; 1963-7-7 3713 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UCD101583  Lewisia cotyledon Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 74 Siskiyou near eastern base of Marble Mountain, Marble Mountain Wilderness Area. 1950 Comment
  UCD101655  Lewisia cotyledon Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 76 Siskiyou near eastern base of Marble Mountain, Marble Mountain Wilderness Area. 1950 Comment
  UC163730  Lewisia cotyledon var. cotyledon Geo. D. Butler 1908-8-7 1 Siskiyou divide between <Woo?>lly and Independence Creek Comment
  CHSC99714  Lewisia leeana L. P. Janeway 2008-7-24 9468 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. Plants especially a little back from the edge of the cliff - on the rocky bench. 1975 Comment
  HSC4442  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin 1982 Comment
  HSC4445  Lewisia leeana William J. Ferlatte 1967-7-25 735 Siskiyou Caribou Basin 1982 Comment
  UC454264  Lewisia leeana I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UCD13276  Lewisia leeana K. F. Mawdsley 1996-7-9 10 Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  RSA760740  Lewisia leeana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC1408940  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou n Upper English Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 1950 Comment
  HSC61140  Ligusticum californicum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  HSC97417  Ligusticum grayi J. M. DiTomaso 1980-8-26 1913 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  UCD77824  Ligusticum grayi Robert E. Preston 2001-7-21 1727 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  CAS-BOT-BC509387  Lilium kelleyanum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SEINET8370192  Lilium pardalinum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch, northeast base of Eddy in moist soil in the forest. 1189 Comment
  JEPS105029  Lilium pardalinum subsp. shastense Dean W. Taylor 1996-7-23 15815 Siskiyou Patterson Creek headwaters (about 6 air miles northwest of Etna); Klamath National Forest 1493 Comment
  RSA761678  Lilium washingtonianum subsp. purpurascens Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63356 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CHSC4536  Lilium washingtonianum subsp. washingtonianum J. E. Bowlin 1967-7-18 62 Siskiyou Ca. 4.2 mi w of Mount Shasta Ski Bowl, and 1-10 yds. Off the road. 1950 Comment
  CAS-BOT-BC133093  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  UC164131  Linanthus bolanderi Geo. D. Butler 1909-4-26 611 Siskiyou near Oro Fino Comment
  UC23467  Linanthus ciliatus Harley P. Chandler Jun 1901 1643 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  UC1191631  Linanthus harknessii Herbert L. Mason 1948-7-18 13606 a Siskiyou Grass Lake Comment
  UC1222727  Linanthus harknessii Joseph P. Tracy 1951-6-16 19476 Siskiyou near Oregon-California State line (Summit of the Siskiyous at the crossing of Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  UC1409392  Linanthus nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou vicinity English Peak (Hamilton Camp, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1402 Comment
  CAS-BOT-BC240390  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-8-8 15421 Siskiyou Moutn Shasta. Along Squaw Valley Creek below the McCloud intake Comment
  UC1045254  Linnaea borealis var. longiflora W. Bridge Cooke 1940-8-8 15421 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek below McCloud intake Comment
  UC1408888  Linnaea borealis var. longiflora F. W. Oettinger 1969-8-9 1319 Siskiyou at stream crossing North Fork River enroute up to Abbott's Upper Cabin (Salmon Mountains, western Siskiyou County); Salmon Mountains, North Fork River 1356 Comment
  RSA187335  Linum lewisii H. A. Thomas, John H. Thomas 1954-7-25 4538 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  UC169897  Linum lewisii Harley P. Chandler June, 1901 1652 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  HSC67670  Listera convallarioides John S. Palmer 1980-7-24 591 Siskiyou Elk Hole 1503 Comment
  UCD77828  Listera convallarioides Robert E. Preston 2001-6-30 1636 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  CAS-BOT-BC36546  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-1 1090 Siskiyou Shasta Springs Comment
  RSA96939  Lithocarpus densiflorus var. echinoides Percy C. Everett, E. K. Balls 1954-10-10 20261 Siskiyou Hwy 89, 6.8 mi. w. of McCloud on road to the town of Mt. Shasta. 1174 Comment
  RSA468241  Lithophragma affine subsp. affine M. B. Dunkle 1944-7-1 9057 Siskiyou Smoky Creek. Comment
  CAS-BOT-BC432321  Lithophragma campanulatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11855 Siskiyou 1.5 miles below summit of Gazelle Mountain Grade, E side 1417 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
  CAS-BOT-BC443350  Lithophragma parviflorum Geo. D. Butler 1962-5-13 1307 Siskiyou Dry thickets near Yreka Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  HSC82205  Lithospermum ruderale Thomas W. Nelson, Jane P. Nelson 1980-7-5 5970 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SEINET10828649  Lolium perenne A. Arthur Heller 1915-7-18 Heller 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1189 Comment
  UC1251648  Lomatium californicum Tracey and Viola Call 1964-6-26 2294 Siskiyou 10 mi N of Yreka (above Klamath River) 883 Comment
  SD88295  Lomatium dasycarpum Darley F. Howe 1972-7-8 Siskiyou Nine and one half miles north of Weed on Highway 97. Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  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
  UC165419  Lomatium dissectum var. multifidum Geo. D. Butler 1910-5-7 1303 Siskiyou hill near Yreka Comment
  JEPS95665  Lomatium engelmannii Vernon H. Oswald and L. Ahart 1999-7-5 9819 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  CHSC33398  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along F.S. road 47N03. 1524 Comment
  HSC22217  Lomatium macrocarpum J. O. Sawyer 1969-8-1 1633 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CHSC86680  Lomatium nudicaule Jenny Marr 1993-7-1 64 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA30660  Lomatium peckianum Lincoln Constance, R. Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
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Apr 26 2007
  UC337583 Image available Lomatium plummerae unknown 1889-6-28 40 Siskiyou near Shasta Comment
  UC164423  Lonicera ciliosa Geo. D. Butler 1908-6-29 998 Siskiyou Cherry Creek Comment
  HSC29345  Lonicera conjugialis Frederick W. Oettinger 1967-7-26 206 Siskiyou Ridge E of Hancock Lake, Hancock Lake Basin. 1982 Comment
  UC602554  Lonicera conjugialis Joseph P. Tracy 1935-8-1 14405 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek); Rock Lake 1889 Comment
  CAS-BOT-BC240850  Lonicera interrupta Alice Eastwood 1912-7-28 1257 Siskiyou Hornbrook Comment
  CHSC51217  Lonicera interrupta L. P. Janeway 1984-6-21 857 Siskiyou South side of Klamath River just E of Humbug Point; Garvey Bar. 594 Comment
  SEINET8056669  Lonicera interrupta G. D. Butler 1900-6-17 1571 Siskiyou Near Yreka. Comment
  SEINET3154558  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou margin of Shackleford creek 1219 Comment
  JEPS16020  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  JEPS95831  Lotus crassifolius var. crassifolius Vernon H. Oswald and L. Ahart 1999-7-5 9809 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate. Plant to ca. 8 dm tall at roadside. 1508 Comment
  JEPS107666  Lotus denticulatus Lowell Ahart, John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107959  Lotus denticulatus Lowell Ahart, John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC796606  Lotus nevadensis var. nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11866 Siskiyou 1 mi w Gazelle Comment
  JEPS87893  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou 0.5 mi ne of Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Road 26 to Mount Shasta); Gumboot Creek, Forest Road 26 1783 Comment
  CAS-BOT-BC140247  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  HSC71449  Lupinus adsurgens J. P. Smith, Steve Selva 1970-8-8 4565 Siskiyou Comment
  RSA166287  Lupinus adsurgens var. adsurgens Donald Myrick 1961-6-21 303 -A Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99. 1372 Comment
  SD126363  Lupinus albicaulis subsp. shastensis P. Kenney, Conrad and LeDoux 1973-6-4 386 Siskiyou West side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  CAS-BOT-BC8288  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou above Shasta Springs Comment
  SEINET5766877 Image available Lupinus albicaulis var. shastensis A. A. Heller 1915-1 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  UC173902  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-2 1268 Siskiyou dry land around Yreka; dry land around Yreka Comment
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May 16 2007
  SEINET10838378  Lupinus albifrons var. flumineus Edwin B. Copel 1903-7-3 Copeland 3527 Siskiyou On dry hills Comment
  HSC42153  Lupinus arbustus S. Saufferer 1973-5-25 229 Siskiyou About 3 mi. NE of Weed, along Hwy. 97 Comment
  SEINET6744629 Image available Lupinus arbustus S. Saufferer 1973-5-25 229 Siskiyou About 3 mi. northeast of Weedalong Highway # 97 Comment
  SEINET10484722  Lupinus arbustus subsp. silvicola Katherine L. Morris 1973-5-25 Morris 280 Siskiyou 4.2 miles ne of the junction of hwy 5 and 97 on hwy 97 in an area of purshia, Artemisia, sparse yellow pine, and arctostaphylos Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC215194  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  SD125491  Lupinus croceus var. croceus P. Kenney, M. L. Conrad, D. B. Dunn 1973-6-4 384 Siskiyou 6.4 miles west of Callahan, on steep roadbank along road from Cecilville to Callahan 1737 Comment
  RSA47662  Lupinus croceus var. pilosellus Roxana S. Ferris 1948-6-12 s.n. Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  RSA413558  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1606 Siskiyou Near Hornbrook. Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  CAS-BOT-BC202056  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Highway 99, 3.2 miles south of Gazelle or 4.2 miles north of its junction with Old Stage Road 888 Comment
  HSC82558  Lupinus lapidicola Thomas W. Nelson, Jane P. Nelson 1979-5-26 4721 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC61902  Lupinus latifolius Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SEINET10489289  Lupinus latifolius subsp. viridifolius Joseph W. Congdon 1900-8-9 Congdon s.n. Siskiyou Near sisson. Comment
  UCD108215  Lupinus latifolius var. viridifolius A. A. Heller 1920-7-3 13408 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy. Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  UC1332444  Lupinus lepidus var. sellulus Ralph K. Gierisch 1968-8-6 3366 Siskiyou Elk Flat; Shasta-Trinity National Forest, Elk Flat 1310 Comment
  UC727081  Lupinus lepidus var. sellulus A. A. Heller 1938-7-12 15259 Siskiyou along the old U.S. Highway #97 to Bray near the eastern base Deer Mountain; near eastern base of Deer Mountain 1432 Comment
  UC82074  Lupinus leucophyllus Dr. E. B. Copeland 1903-7-14 3518 Siskiyou Klamathon Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  UC1129549  Lupinus luteolus H. S. Yates 1936-6-21 5809 Siskiyou 1/2 mi ne Hilt; Yreka Quad. Comment
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Jun 18 2011
  SEINET10488762  Lupinus luteolus Edwin B. Copel 1903-7-2 Copeland 3535 Siskiyou Klamathon. Comment
  RSA105765  Lupinus lyallii var. lyallii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mt. Shasta 1829 Comment
  RSA331949  Lupinus obtusilobus Dave Kelly, Walter Wisura, A. Kelly 1985-7-31 4087 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  UC618892  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Flats Mount Shasta Comment
  SEINET10490239  Lupinus sellulus subsp. ursinus Smith 1978-7-2 Smith 9971 Siskiyou Seiad valley quadrangle. Klamath national forest. Ridge trail to the e of Cook and green pass. Montane chaparral. Sections 8 and 9. 1341 Comment
  SEINET10490872  Lupinus sellulus var. sellulus Joseph W. Congdon 1900-8-15 Congdon s.n. Siskiyou Forks castle road. Comment
  CHSC31370  Lupinus tracyi Jeffrey M. Lund 1980-9-26 94 Siskiyou 3.5 miles from the north end of road 12N06 along the road surface. 1325 Comment
  NY16052  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  NY16055  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UC2977  Luzula comosa Harley P. Chandler June, 1901 1567 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC2406  Luzula comosa William J. Ferlatte 1966-8-18 407 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CHSC99979  Luzula divaricata L. P. Janeway 2008-7-26 9509 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southeast of Heart Lake and about 0.8 km south of Castle Lake. 1922 Comment
  HSC68526  Luzula parviflora Maralyn A. Renner 1980-6-24 1021 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  CAS-BOT-BC7469  Madia citriodora Edward Lee Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  JEPS33806  Madia citriodora E. L. Greene June 1876 Siskiyou Yreka Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC344013  Madia elegans Elmer I. Applegate 1923-9-7 3782 Siskiyou Mouth of Doggett Creek, Klamath River Comment
  CAS-BOT-BC343996  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  UC165393  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mt. 1066 Comment
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CHSC71473  Madia exigua Vernon H. Oswald; Lowell Ahart 1998-7-12 9355 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  UCD134273  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  JEPS40350  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sissons to Simms; Region of the Upper Sacramento Comment
  UC1034071  Madia gracilis W. B. Cooke 1941-7-31 16126 Siskiyou Bear Springs area Mount Shasta Comment
  CDA15526  Madia madioides G. F. Hrusa 1998-7-5 14694 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC512768  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1939-8-3 15013 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC27662  Maianthemum racemosum subsp. amplexicaule Carl W. Mize 1972-6-22 92 Siskiyou Cut bank 1/2 way up Offield Mtn. 1006 Comment
  CHSC91361  Medicago lupulina Lowell Ahart; John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC271163  Melica W. R. Dudley 1899-7-5 s.n. Siskiyou Near Bartlett Trail, Preston's Peak, Siskiyou Mountains Comment
  CAS-BOT-BC269228  Melica aristata John Thomas Howell 1937-7-23 13365 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM114773  Melica fugax Geo D. Butler 1910-4-30 1251 Siskiyou Yreka. Comment
  UCD77854  Melica fugax Robert E. Preston 2002-6-20 1854 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge 2186 Comment
  UCD87303  Melica geyeri Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7312 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  CAS-BOT-BC264197  Melica subulata John Thomas Howell 1937-7-22 13319 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC264199  Melica subulata Alice Eastwood 1921-7-25 10796 Siskiyou Castle Lake Comment
  UC1265410  Melica subulata F. W. Oettinger 1969-8-16 1394 Siskiyou near English Lake (sw of Wiregrass Meadow); Salmon Mtns 1676 Comment
  HSC15001  Melilotus albus R. C. Wunner 1965-7-16 395 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  JEPS95827 Image available Mentzelia albicaulis Vernon H. Oswald and L. Ahart 1999-7-5 9798 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
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Apr 17 2008
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SEINET3416626 Image available Micranthes ferruginea Rimo Bacigalupi, Lincoln Constance & L. Heckard 1960-7-20 7448 Siskiyou Siskiyou Mountains; Poker Flat (about 12 air miles northwest of Happy Camp) 1524 Comment
  CAS-BOT-BC322664  Microseris laciniata Alice Eastwood 1912-7-17 1153 Siskiyou Sisson Comment
  POM35781  Microseris laciniata subsp. laciniata Geo D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  UC1185945  Microseris laciniata subsp. laciniata L. E. Detling 1950-6-11 6635 Siskiyou Siskiyou Pass 1127 Comment
  SFV8317  Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area. Haypress Meadows. 1463 Comment
  UC637069  Mimulus cardinalis Edward Lee 1934-8-12 1043 Siskiyou between Humbug and Seiad Valley (mouth of Walker Creek, s side of river); Klamath River 426 Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  UC164274  Mimulus inodorus Geo. D. Butler 1908-8-24 448 Siskiyou Eldredge's Corral Russian Creek Comment
  SEINET515909  Mimulus jepsonii Vernon Oswald 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  JEPS86983  Mimulus layneae David M. Thompson 1989-6-29 1023 Siskiyou near Black Butte (hill overlooking railway junction, mid-way between Mt. Shasta city and Weed, 1.2 mi n of I-5 interchage along n part of Truck Village Drive, e side of I-5) 1200 Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  UC164261  Mimulus lewisii Geo. D. Butler 1908-8-8 435 Siskiyou Marble Valley Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  RSA237537  Mimulus moschatus Frederick W. Oettinger 1966-8-7 41 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2043 Comment
  JEPS30989  Mimulus nanus var. jepsonii D. E. Breedlove 1962-6-11 3361 Siskiyou 8.0 mi e McCloud (along State HIghway 89); Cascade Range 1127 Comment
  UCR72690  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 932 Siskiyou 8.0 mi east of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89 from USFS Road 40N16; 2.4 mi west of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi west of USFS Ash Creek Station 1100 Comment
  UC1540004  Mimulus nanus var. nanus M. Mitchell 1936-5-22 51 Siskiyou Black Crater Lava Beds National Monument 1356 Comment
  RSA422244  Mimulus nanus var. nanus Louis C. Wheeler 1934-8-6 3052 Siskiyou Rock Gulch off Jaynes Canyon. Siskiyou Mts. Mt. Diablo Mer. 1829 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  RSA771671  Mimulus primuloides A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  JEPS82494  Mimulus primuloides subsp. primuloides Gilbert Muth 1965-8-3 156 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC91134  Mimulus tilingii Jennifer Whipple 1976-7-8 1345 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  CAS-BOT-BC174740  Minuartia nuttallii Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  SEINET5338740  Minuartia nuttallii G. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  HSC68418  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-9 846 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC1483471  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2427 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  CAS-BOT-BC181114  Minuartia nuttallii var. gregaria Peter H. Raven 1956-9-4 10407 Siskiyou S. side of Mt. Eddy 2682 Comment
  SBBG122860  Minuartia nuttallii var. gregaria B. Ertter 1990-7-14 9308 Siskiyou streamlet near end of USFS Rd 41N53, ca. 1 mi N of Morgan Meadows, E side of Mt Eddy; 4 air mi W of Mt Shasta City 1676 Comment
  CAS-BOT-BC229608  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  CAS-BOT-BC229605  Mirabilis greenei Elmer I. Applegate 1898-5-15 5142 Siskiyou Along Klamath River between Shovel Creek and Fall Creek 853 Comment
  RSA276572  Mirabilis greenei George Pilz 1973-5-25 995 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  UC1334020  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Paradise Lake Siskiyou Mountains, Samon Mt. (along edges) 1981 Comment
  HSC29428  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Marble Mtn. Wilderness Area, head of Pierce's Draw 1829 Comment
  HSC22276  Monardella glauca J. O. Sawyer 1969-7-3 1053 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC22415  Monardella glauca J. O. Sawyer 1969-8-2 1677 Siskiyou SE facing slope above Little Duck Lake 1951 Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  RSA264973  Monardella odoratissima subsp. glauca G. L. Clifton 1975-7-28 7219 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC2037103  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-8-3 10012 Siskiyou North base of Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  JEPS51857  Monardella odoratissima subsp. pallida Duncan Dunning 1921-7-20 Siskiyou about 10 air mi ne McCloud (Morrison (onetime logging camp)) Comment
  CAS-BOT-BC222160  Monardella odoratissima subsp. pallida Mrs. Joseph Clemens No date on label s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC220230  Monardella sheltonii Doris K. Kildale 1929-7-20 8544 Siskiyou Trail up South Fork Indian Creek near Gilmore's Comment
  CHSC67988  Monardella siskiyouensis David Biek 1988-7-13 Siskiyou Junction of Interstate 5 and Hwy. 96, 10 mi N of Yreka. 609 Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  UC75187  Monardella villosa subsp. villosa Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  CAS-BOT-BC444814  Montia diffusa Alice Eastwood; John Thomas Howell 1937-6-26 5057 Siskiyou Near Fork of Salmon Comment
  CDA23980  Montia linearis Vernon H. Oswald & Lowell Ahart 1998-6-11 9204 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  HSC22458  Montia parvifolia J. O. Sawyer 1969-7-1 976 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  POM101846  Montia parvifolia Geo. D. Butler 1910-6-4 1488 Siskiyou Shackleford Creek. Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  HSC65681  Muhlenbergia filiformis Donald W. Miles 1979-7-25 19 Siskiyou 3/4 way up Shirttail Canyon near Black Fox Mtn. on logging spur 20 miles NE of McCloud. Comment
  JEPS25665  Muhlenbergia filiformis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7308 Siskiyou 4 air-line mi nne Preston Peak (meadow, just e of Del Norte Co. line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  UC1026901  Muhlenbergia jonesii W. B. Cooke 1940-7-5 15247 Siskiyou along Wagon Camp rd. Mt. Shasta Comment
  JEPS93855  Myosurus sessilis Vernon H. Oswald and Lowell Ahart 1998-6-11 9222 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
  CHSC693  Nama lobbii V. Holt 1932-6-20 Siskiyou Mt. Shasta flats. 1828 Comment
  CAS-BOT-BC515775  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1828 Comment
  POM148757  Narthecium californicum J. B. Feudge 1927-7-24 1629 Siskiyou On trail to Mt. Eddy Comment
  HSC78222  Navarretia divaricata var. divaricata L. P. Janeway 1983-8-28 646 Siskiyou Poker Flat 1529 Comment
  JEPS70325  Navarretia intertexta Willis L. Jepson Jul 24 1894-Aug 10 1894 15008 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC455653  Navarretia intertexta I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UC880193  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  JEPS1865  Nemophila heterophylla George D. Butler 1909-3-9 658 a Siskiyou Yreka Comment
  CAS-BOT-BC230558  Nemophila parviflora var. austiniae Harley P. Chandler 1901-6-1 1649 Siskiyou Marble Mountain 2286 Comment
  CDA40352  Nemophila pedunculata F. D. Horn 1978-3-1 s.n. Siskiyou Shasta River Canyon, Yreka. 0 Comment
  UC1114141  Nemophila pedunculata Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 230 Siskiyou on the road to Callahan 11.9 mi w Gazelle; w of Gazelle 1219 Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC19129  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1167 Siskiyou Near Horse Range Creek. 1341 Comment
  JEPS3011  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp California, to Waldo Oregon Happy Camp Comment
  NY790539  Nothochelone nemorosa H. L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  UC922596  Nothochelone nemorosa Annie M. Alexander and Louise Kellogg 1948-9-8 5603 Siskiyou top of grade between Sawyers Bar and Etna (Siskiyou Mountains); Siskiyou Mountains 1737 Comment
  CDA38151  Oenothera deltoides subsp. piperi T. C. Fuller 1960-6-3 4647 Siskiyou Mt. Hebron Road & Highway 97, 2 miles west of Mt. Hebron. 0 Comment
  RSA367003  Olsynium douglasii Louis C. Wheeler 1935-3-18 3377 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945 Comment
  UC1167562  Olsynium douglasii var. douglasii Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 233 Siskiyou on US Hwy 99 4.5 mi n Yreka city limits 914 Comment
  CAS-BOT-BC349936  Onopordum acanthium C. S. Giebner 1964-7-3 s.n. Siskiyou Dwinnell Rd., Big Springs, Shasta Valley Comment
  CAS-BOT-BC349958  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  CAS-BOT-BC355595  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  CAS-BOT-BC355598  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  CHSC114078  Oreostemma alpigenum var. andersonii Jennifer Buck; Deborah Stout 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento River headwters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  HSC29217  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; S of Little Hancock Lake 2043 Comment
  JEPS79773  Orobanche corymbosa L. R. Heckard 1967-8-14 1728 Siskiyou 19 mi n Weed (just e of U.S. Hwy 97, 2 mi n of Deer Mt Lodge) Comment
  UC1190151  Orthilia secunda Ira L. Wiggins 1955-7-29 13582 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CHSC67609  Orthocarpus cuspidatus subsp. copelandii James D. Jokerst 1992-7-30 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald]. Comment
  UC1736255  Orthocarpus cuspidatus subsp. copelandii Dean W. Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles W of Cook & Green Pass 1767 Comment
  UCD123235  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker 1963-8-19 3784 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  RSA120852  Orthocarpus hispidus Milo S. Baker 1957-6-16 13264 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  RSA407991  Orthocarpus hispidus Louis C. Wheeler 1935-5-18 3497 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  JEPS101144  Orthocarpus pachystachyus Dean W. Taylor 1996-6-18 15721 Siskiyou Scott Mountains; bordering Shasta Valley, base of hillslopes about 4 miles south of Gazelle, about 100 meters upslope from the Yreka Ditch 960 Comment
  JEPS25816  Osmorhiza berteroi Geo. D. Butler 1908-8-7 462 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  JEPS25819  Osmorhiza occidentalis Geo. D. Butler 1908-7-20 455 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  UC922364  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-22 5836 Siskiyou trail to Kings Castle Paradise Lake (Marble Mountains); , Paradise Lake 1996 Comment
  CAS-BOT-BC316758  Packera cana John William Thompson 1936-7-8 13150 Siskiyou Lava Slopes of Lava Beds Nat. Monument Comment
  CHSC102569  Packera cana L. P. Janeway 2009-8-4 9904 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  UC705692  Packera cana Marion Ownbey and Fred G. Meyer 1940-7-4 2184 Siskiyou on ridge above the head Brewer Creek; e side Mt. Shasta Comment
  CAS-BOT-BC316755  Packera cana William Bridge Cooke 1940-8-22 15475 Siskiyou along the west rim of Mud Creek Canyon 2743 Comment
  UC165943  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  CAS-BOT-BC28830  Paeonia brownii William Bridge Cooke 1938-7-15 11261 Siskiyou Around upper end of Wagon Camp 1737 Comment
  CAS-BOT-BC28831  Paeonia brownii L. E. Smith 1913-5-23 270 Siskiyou Weed Comment
  UCD88589  Panicum acuminatum var. fasciculatum R. Tofsrud 1948-8-1 s.n. Siskiyou Edge of Happy Camp. Comment
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  RSA183700  Parnassia fimbriata Gilbert Muth 1965-8-17 230 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  HSC29458  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Marble Mountain Wilderness Area, Abbots Lake. 1723 Comment
  JEPS50863  Parnassia fimbriata Al Hobart 1967-8-8 Siskiyou above Raspberry Lake (Preston Peak, westernmost Siskiyou County); Preston Peak 1584 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC175607  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou Klamath National Forest. N side White Mt. 1767 Comment
  HSC46735  Parnassia palustris W. J. Ferlatte 1976-9-22 1852 Siskiyou Trinity Alps, Grouse Ridge along Yellow Rose Mine Trail, W facing slope. 1829 Comment
  CAS-BOT-BC202866  Paxistima myrsinites Geo. B. Grant 1902-9-9 s.n. Siskiyou Sisson Comment
  JEPS9617  Paxistima myrsinites W. L. Jepson 1914-8-14 6158 Siskiyou Dunsmuir 1097 Comment
  SBBG4075  Paxistima myrsinites H. and M. Dearing 1939-7-2 3802 Siskiyou Salmon Mtn 1828 Comment
  UC1490300  Paxistima myrsinites Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls on rd. from Seiad Valley to Cook and Green Pass; Klamath R. Region, Horsetail Falls Comment
  SEINET13355128  Pectocarya pusilla G. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  SEINET10549151  Pedicularis attollens Mary Susan Taylor 1980-7-22 Taylor 3172 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
  CAS-BOT-BC266639  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6507 Siskiyou English Lake, head of N fork of Salmon River 1828 Comment
  CAS-BOT-BC266637  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6550 Siskiyou 0.25 mile from Hancock Lake on trail to Marble Mountains 2194 Comment
  HSC19159  Pedicularis contorta J. O. Sawyer 1969-8-1 1650 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC294  Pedicularis contorta William J. Ferlatte 1965-8-17 397 Siskiyou Caribou Basin 1982 Comment
  RSA183698  Pedicularis contorta Gilbert Muth 1965-8-6 181 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UCD123294  Pedicularis racemosa J. M. Tucker; D. V. Hemphill 1974-7-26 4289 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  UCD18939  Pedicularis racemosa A. H. Murphy 1955-7-29 55 K Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  UC711825  Pedicularis semibarbata Roxana S. Ferris and Laura Lorraine 1941-8-11 10504 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  UC705511  Pellaea brachyptera Marion Ownbey and D. H. Brown 1941-6-22 2424 Siskiyou nw of Yreka (w of Craggy Mt) Comment
  CAS-BOT-BC67725  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  HSC29478  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou Marble Mtn. Wilderness Area, near the summit of Little Medicine Mtn. due N of Hancock Lake 2088 Comment
  UC71515  Pellaea breweri Harley P. Chandler June, 1901 1660 Siskiyou Marble Mt; North Coast Ranges 2438 Comment
  HSC76659  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS84305  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6364 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, e of Red Butte summit 579 Comment
  UC1560411  Penstemon anguineus E. Joyal and D. Mehlman 1988-6-25 1276 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp-Takilma Road at turn-off to Bolan Lake 1524 Comment
  HSC61134  Penstemon anguineus Al Hobart 1968-7-8 Siskiyou El Capitan Comment
  POM42970  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek. 1220 Comment
  RSA165521  Penstemon anguineus Clare B. Hardham 1961-6-30 7999 Siskiyou Edge of woods 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
  SEINET5326467 Image available Penstemon anguineus G. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 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
  HSC77075  Penstemon azureus K. T. Stillman 1976-7-7 153 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA425613  Penstemon azureus Louis C. Wheeler 1934-7-3 2850 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  JEPS47721  Penstemon cinereus W. B. and V. G. Cooke 1966-7-16 37215 Siskiyou above Bolam Station (along old logging road); Mt. Shasta 1524 Comment
  CHSC66546  Penstemon cinicola Vernon H. Oswald 1996-7-12 8008 Siskiyou Large meadow at the junction of the roads to Schonchin Spring and Little Mt. Hoffman at the W end of Medicine Lake. On the n side of the road to Little Mt. Hoffman. 2048 Comment
  CAS-BOT-BC265375  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  CAS-BOT-BC265378  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10893 Siskiyou Little Mount Hoffman Comment
  UC696751  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou crest of Red Shale Mountain [Red Shale Butte] Medicine Lake Region 2438 Comment
  HSC68510  Penstemon deustus Maralyn A. Renner 1980-6-8 825 Siskiyou Slopes N of Moffett Creek 945 Comment
  RSA78952  Penstemon deustus E. K. Balls, Percy C. Everett 1952-10-12 18179 Siskiyou 3.6 mi W of boundary of Lava Beds Nat'l Monument, road from Indian Well Ranger Station to Tenant. 1372 Comment
  RSA285578  Penstemon deustus subsp. deustus D. C. Michener 1980-8-2 3764 Siskiyou Klamath Mtns. Along CA 96 along the Klamath River between Swillup and Coon Creeks,ca 17 miles S of Happy Camp. 305 Comment
  JEPS11237  Penstemon deustus var. deustus Geo. D. Butler 1908-7-12 434 Siskiyou w Yreka (Humbug Mt.); , w of Yreka 1219 Comment
  UC1096819  Penstemon heterodoxus var. shastensis H. K. Wagnon 1957-8-11 1687 Siskiyou on Rd. to Brewer Cr 3 mi w Military Pass Rd. (e slope of Mt. Shasta); North Coast Ranges, e slope of Mt. Shasta Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UCR93376  Penstemon humilis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CHSC88779  Penstemon laetus var. sagittatus Jenny Marr 1993-7-1 196 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  SEINET11262163  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4511 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
  UC1238948  Penstemon laetus var. sagittatus Freed W. Hoffman 1950-7-13 3491 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  UC887116  Penstemon laetus var. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava Slopes of Lava Beds Nat. Monument Lava Beds Nat. Monument Comment
  UC1238952  Penstemon laetus var. sagittatus Freed W. Hoffman 1948-7-8 2566 Siskiyou on Klamath River road 19.7 mi e Happy Camp; North Coast Ranges, Klamath River Road Comment
  HSC29276  Penstemon newberryi Frederick W. Oettinger 1968-9-1 655 Siskiyou Marble Mtn. Wilderness Area, cliffs E of Abbott's Lake 1799 Comment
  SBBG16534  Penstemon newberryi D. Myrick 1961-6-19 263 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  HSC59936  Penstemon newberryi subsp. berryi D. L. Goforth 1979-7-19 247 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  POM43030  Penstemon newberryi subsp. newberryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC239333  Penstemon newberryi var. berryi Alice Eastwood No date on label s.n. Siskiyou Mount Shasta Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  UC886831  Penstemon newberryi var. berryi John Thomas Howell 1937-7-26 13516 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC138851  Penstemon newberryi var. newberryi Dr. E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828 Comment
  NY629984  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou East side of Mt. Eddy Comment
  UC1238926  Penstemon parvulus Freed W. Hoffman 1948-7-6 2410 Siskiyou summit of Scott Mountain road North Coast Ranges, summit Scott Mountain road 1630 Comment
  UC705758  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou summit of Cayenne Ridge , summit of Cayenne Ridge (Marble Mt.) Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  RSA420440  Penstemon parvulus M. B. Dunkle 1945-1 9208 Siskiyou Black Marble Mtn. Klamath Nat'l Forest. Marble Mtns. 2134 Comment
  JEPS57172  Penstemon procerus subsp. formosus L. R. Heckard 1967-8-13 1703 Siskiyou summit region of Mount Eddy Mount Eddy 2743 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  UC1212118  Penstemon roezlii F. Chisaki, G. Newcomb 1958-6-22 1160 Siskiyou between Ft. Jones and Gazelle (9.6 mi on road from Ft. Jones to Gazelle) 9.4 mi s from road to Duzel Rock; , btw Ft. Jones and Gazelle 1645 Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  POM252936  Penstemon shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along US Hwy 97, just south of Bray. 1402 Comment
  CHSC1888  Penstemon speciosus V. Holt 1932-7-6 Siskiyou Black Butte meadows. 1158 Comment
  JEPS52293  Penstemon speciosus Wayne Roderick 1963-6-13 Siskiyou sw edge of town of Etna , sw edge of town of Etna (Scott Valley) 914 Comment
  UC1037452  Penstemon speciosus Douglas Barbe 1955-7-1 678 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  UC144615  Penstemon speciosus A. A. Heller 1905-6-8 7991 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  UCSB21264  Penstemon speciosus Bell, David 1966-6-21 Siskiyou East side of U.S. Hwy. 97, 14 miles NE of Weed 1371 Comment
  UC1312872  Perideridia leptocarpa L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River; Trinity River, NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  SEINET13945007 Image available Perideridia leptocarpa L. Constance, T. I. Chuang 1967-1 3802 Siskiyou West-facing slope above Trinity River, 5 mi NW of Cecilville, alt. 2500 ft 762 Comment
  UC1312870  Perideridia oregana L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3767 Siskiyou US Hwy 99W 1.5 mi n Edgewood turnoff 91 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC423350  Peritoma platycarpa A. A. Heller 1925-7-25 13905 Siskiyou Shasta Valley near Gazelle Comment
  HSC68576  Phacelia corymbosa Maralyn A. Renner 1980-6-23 981 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS57168  Phacelia corymbosa L. R. Heckard 1967-8-13 1708 Siskiyou edge of summit fell-field Mt. Eddy 2743 Comment
  HSC77342  Phacelia corymbosa L. P. Janeway 1983-7-4 383 Siskiyou Near top of Little Grayback Mtn. 1860 Comment
  UC923089  Phacelia corymbosa Freed W. Hoffman 1950-7-11 3314 Siskiyou Elk Valley Rd 5.7 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 Comment
  JEPS79423  Phacelia greenei F. D. and C. L. Horn 1980-6-1 Siskiyou summit of hill Callahan, School House Hill (Callahan-Gazelle Rd, n edge of Section 1) Comment
  UC535111  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou about 2 mi nw Mt. Shasta City 1051 Comment
  UC1187639  Phacelia leonis Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-20 3691 Siskiyou ca 5 mi sw Poker Flat; Siskiyou Mountains, Twin Valley 1554 Comment
  CDA40406  Phacelia linearis R. Richards & D. Janssen 1978-5-25 s.n. Siskiyou Northeast of Weed at Yellow Butte. 0 Comment
  UC796504  Phacelia linearis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11832 Siskiyou between Callahan Gazelle; Gazelle Mountain Grade 1499 Comment
  JEPS2030  Phacelia mutabilis Willis L. Jepson 1894-8-4 21040 Siskiyou Horse Camp Comment
  UCD120644  Phacelia mutabilis J. M. Tucker 1950-7-24 1954 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  CHSC105865  Phacelia pringlei Julie Kierstead Nelson 2010-7-3 2010 -012 Siskiyou Scott Mountain; Road 40N08 from hwy 3 at summit to Carment Lake, at Pacific Crest Trail crossing. 1676 Comment
  SBBG122789  Phacelia pringlei B. Ertter 1990-7-14 9338 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1828 Comment
  SD211619  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City, along creek, where several forks join before steep drop. 1829 Comment
  RSA238840  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Base of sheer cliff just due east of Diamond Lake and 50 feet below the lake in elevation. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness. 2058 Comment
  RSA238842  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou At base of rocky steep cliffs southwest of Upper English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area. 1829 Comment
  CAS-BOT-BC265817  Phalaris arundinacea Calvin McMillan; Malcom A. Nobs 1949-6-17 802 Siskiyou Grass Lake, Highway 97 Comment
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  UC165387  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek Comment
  RSA0057589  Philadelphus lewisii I. L. Wiggins 1955-7-21 s.n. Siskiyou Small gulch on Rush Creek Trail 1.5 mi. above Mt. View Ranch. 1037 Comment
  CAS-BOT-BC250785  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  CAS-BOT-BC250788  Phleum alpinum Jason Swallen 1939-7-26 13750 Siskiyou Mount Shasta. Above Panther Creek Meadows Comment
  SEINET10657448  Phleum alpinum A. Arthur Heller 1922-7-15 Heller 13710 Siskiyou Damp meadow at Medicine Lake in the Canadian zone 2134 Comment
  UCD89651  Phleum pratense E. Wilson 1934-7-1 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  RSA171513  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  UC589664  Phlox austromontana Douglas Horn 1938-4-17 38 Siskiyou e of Etna 975 Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  HSC68337  Phlox diffusa Maralyn A. Renner 1980-6-26 1231 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS25568  Phlox diffusa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7193 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  UC1124175  Phlox diffusa M. H. Mitchell 1936-5-8 Siskiyou Base of Schonchin Butte Modoc Lava Beds National Monument, Dorris Quad. 1432 Comment
  UC726850  Phlox diffusa A. A. Heller 1940-7-25 15768 Siskiyou just above Horse Camp; Mt. Shasta 2438 Comment
  UCD77914  Phlox diffusa Robert E. Preston 2002-6-20 1841 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  UC932085  Phlox douglasii subsp. rigida Verne Grant and Alva Grant 1947-6-5 7977 Siskiyou Modoc Lava Beds Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  UC1186128  Phlox speciosa subsp. occidentalis Herbert L. Mason 1929-5-18 5331 Siskiyou s of Yreka Comment
  UC166047  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou near Yreka Comment
  HSC15910  Phoradendron bolleanum R. C. Wunner 1965-6-18 213 Siskiyou Near Indian Well Camp, Lava Beds National Monument 1433 Comment
  SBBG14309  Phyllodoce breweri J. Major 1961-7-14 633 Siskiyou Panther Meadows Cmpgrd, Mount Shasta 2270 Comment
  CAS-BOT-BC56490  Phyllodoce empetriformis Geo. D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek 1828 Comment
  CAS-BOT-BC56491  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC91684  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 mi. n. of Montague. Comment
  CDA5830  Physalis longifolia T. C. Fuller, Don Shaw 1977-8-3 20221 Siskiyou South of Willow Creek Road, 10 km northeast of Montague. 0 Comment
  CDA5832  Physalis longifolia G. Deal 1967-8-21 Siskiyou A. Beltramo property, Gazelle. 0 Comment
  CAS-BOT-BC60766  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC140596  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SEINET10483400  Physocarpus capitatus Mary Merello 1993-6-22 Merello 689 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  CAS-BOT-BC78172  Picea breweriana Doris K. Kildale 1929-7-20 8680 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  JEPS8480  Picea breweriana Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3453 Siskiyou about 1.5 mi below and se saddle at summit of Takilma - Happy Camp road Comment
  UC1220341  Picea breweriana H. G. Baker 1963-7-5 Siskiyou around Blake's Fork Meadow (w of Russian Creek in the Saywer's Bar District, mostly on granite slopes); Saywer's Bar District, Blake's Fork Meadow 1676 Comment
  UC665707  Picea breweriana L. E. Berriman 1940-9-17 Siskiyou nw Callahan; Sugar Creek (Scott River tributary) 1432 Comment
  UC667969  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou in a cold cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  NY30484  Picea breweriana P. Bennett 1928-7-11 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC4811  Picea engelmannii J. O. Sawyer 1968-6-18 181 Siskiyou Above S Russian Creek on W side. 1463 Comment
  SEINET7368239 Image available Picea engelmannii L. E. Berriman 1940-1 Siskiyou Sugar Creek, a tributary of the Scott River (sec. 20 T 40 N R 9 W) Mount diable Meridian. 1433 Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  CAS-BOT-BC78328  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  RSA29903  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  NY579173  Pinus attenuata T. charlet 1996-12-15 2350 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
  HSC45032  Pinus contorta Maralyn O'Meara 1974-5-25 392 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC78498  Pinus contorta subsp. murrayana Alice Eastwood s.n. Siskiyou bet. Shasta Sprgs. + Cantara Comment
  HSC44631  Pinus contorta var. murrayana Jerome Peterson 1978-5-20 18 Siskiyou Haypress Meadow, Bulk Collection # 132 Comment
  CAS-BOT-BC73095  Pinus lambertiana Doris K. Kildale 1927-11-20 4177 Siskiyou Fort Jones Comment
  CAS-BOT-BC78955  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC78960  Pinus monticola G. A. Coleman 1901-7-31 s.n. Siskiyou Near summit of range, west of forks of Salmon River Comment
  CAS-BOT-BC78961  Pinus monticola W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon to Scotts Creek Comment
  HSC36691  Pinus ponderosa Brent Whitely 1975-6-21 16 Siskiyou 223 Comment
  JEPS120249  Piperia colemanii Julie Kierstead Nelson 2009-7-8 2009 -018 Siskiyou South slope of Mt. Shasta Comment
Read comments
Jul 8 2014
  CAS-BOT-BC228036  Plagiobothrys Geo. D. Butler 1909-4-13 654 Siskiyou Near [Yreka?] Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  HSC29336  Plagiobothrys hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  RSA518800  Plantago eriopoda L. R. Heckard 1972-5-31 2936 Siskiyou About 2 miles east of Gazelle on road to Weed. Comment
  JEPS25768  Plantago lanceolata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7463 Siskiyou above and due e Twin Valley (about 13 air mi nw of Happy Camp); Siskiyou Mts. 1584 Comment
  JEPS7128  Plantago lanceolata W. L. Jepson 1940-6-22 19970 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  HSC96827  Plantago major S. Lyon 2006-7-18 12 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  HSC46118  Platanthera dilatata var. leucostachys J. P. Smith, Steve Selva 1970-6-14 3883 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  SBBG25935  Platanthera dilatata var. leucostachys D. Myrick 1966-8-13 1554 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  UCD77918  Platanthera dilatata var. leucostachys Robert E. Preston 2001-7-20 1694 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1755 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  UC1409487  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou High Lake Basins in vicinity English Peak (Salmon Mountains); , Marble Mountain Wilderness Area 1889 Comment
  UC336576  Platanthera leucostachys unknown 1889-6-8 Siskiyou near Edgewood Comment
  HSC32018  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 353 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  HSC68348  Plectritis ciliosa J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC999839  Plectritis congesta S. C. Dyal 1938-6-12 716 Siskiyou California Comment
  HSC68344  Plectritis macrocera J. P. Smith 1973-5-5 6425 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET7096731  Plectritis macrocera A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Sprins (Mayten) on the Maten Road. NAD27, 41? deg. 36' 05ao, -122?_ 24' 10ao (converted to WGS84 decimal degrees) UTM Zone 10, 54977mE, 4605467mN. Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  RSA484227  Poa M. B. Dunkle 1945-1 9325 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  CAS-BOT-BC254992  Poa bulbosa Dorothy Parker 1948-6-12 s.n. Siskiyou Parker Ranch, Plowman's Valley Comment
  UC450464  Poa bulbosa Morris Halperin 1931-5-17 301 Siskiyou near Yreka Comment
  UC450468  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou RR Station Montague Comment
  HSC65375  Poa compressa J. P. Smith 1973-5-5 6549 Siskiyou Scott Bar along the Scott River Comment
  HSC37468  Poa pratensis A. M. Montalvo, J. D. Ackerman 1975-7-19 586 Siskiyou 3 mi. E of McCloud off Hwy. 89 on F.S. Rd. 39N13 1067 Comment
  HSC43045  Poa pratensis J. O. Sawyer, Ken Stillman 1976-5-30 2761 Siskiyou Along Specimen Creek. 915 Comment
  UCD91939  Poa pratensis A. H. Murphy 1959-7-21 59 F Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  SEINET10605106  Poa pratensis H. E. Brown 1897-6-1 Brown 374 Siskiyou Near Sisson 1084 Comment
  HSC92155  Poa pringlei Jennifer Whipple 1977-7-20 1977 Siskiyou South face of Mt. Eddy. 2470 Comment
  JEPS25572  Poa pringlei Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7197 Siskiyou near head of ski lift above Mt Shasta Ski Bowl Lodge; Mt Shasta 2834 Comment
  LA12614  Poa pringlei Jason Swallen; 1939-7-26 13762 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  UC1146672  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western Baldy Mt; North Coast Ranges Comment
  UC618612  Poa pringlei W. Bridge Cooke 1938-9-8 11640 Siskiyou near South Gate Springs; Mt Shasta Comment
  UCD91766  Poa pringlei Alfred H. Murphy 1957-7-24 57 U Siskiyou head of Bear Creek Trail to Toad Lake, Shasta National Forest, south of Mt. Eddy. 2346 Comment
  POM228870  Poa secunda L. C. Wheeler 1935-5-11 3478 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. 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
  CAS-BOT-BC243214  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC10780  Poa secunda subsp. secunda R. C. Wunner 1965-6-29 305 Siskiyou Lava Beds N. M., Upper Cadwell Ice Cave, near entrance. 1433 Comment
  UC1265394  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou ridge above Horse's Hole Pond (near Horse Range Lake); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1981 Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  SEINET7873919  Poa wheeleri G. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC244322  Podagrostis humilis Beecher Crampton 1956-8-21 3860 Siskiyou Panther Meadow, S slope of Mount Shasta 2316 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  UC56864  Polemonium micranthum F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  CAS-BOT-BC170334  Polygala cornuta var. cornuta R. E. Frenkel 1964-7-15 689 Siskiyou On Everitt Memorial road near Mount Shast, 1.7 miles north of McCloud River RR crossing. 1290 Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  SEINET10479618  Polygonum bistortoides Mary Susan Taylor 1980-6-23 Taylor 2947 Siskiyou T39N R5W se sec 19 Dunsmuir quad. Shasta-Trinity Natl Forest; ca. 100 ft S of Rd 40N26, ca. 1 mi E of its jct with road to Cedar Lake (39N05Y), near S fork of Sacramento River, ca. 10 mi SW of Mt Shasta. 1570 Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  RSA170306  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 miles N of the limits of Dunsmuir, siskiyou. 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
  OBI72046  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet ner end of FR 41N53 ca 1 mi N of morgan Meadows 1676 Comment
  SEINET4338954  Polygonum douglasii G. D. Butler 1910-7-7 1787 Siskiyou Dry bank Shackleford Creek 914 Comment
  CHSC86640  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 23 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC850395  Polygonum douglasii subsp. spergulariiforme A. A. Heller 1916-7-20 12477 Siskiyou near Wagon Creek Falls (e side of mt.); Mt. Eddy 1371 Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. 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
  UC1408829  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side of creek bed, w Siskiyou Co.) 2042 Comment
  RSA237765  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  SEINET3399368 Image available Polygonum minimum J. M. Tucker, L. K. Mann 1963-8-17 3743 Siskiyou Red Rock Valley, near top of ridge, Marble Mountain Wilderness Area Comment
  JEPS78103  Polygonum newberryi G. W. Zamzow 1972-7-19 92 Siskiyou at timberline 200 m w end of road to Mt. Shasta Summit Ski area 2743 Comment
Read comments
May 22 2011
  UC164403  Polygonum persicaria Geo. D. Butler 1908-7-8 194 Siskiyou along creek near Yreka Comment
  RSA237794  Polygonum phytolaccifolium Frederick W. Oettinger 1967-8-23 320 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC92955  Polygonum polygaloides subsp. kelloggii Jennifer Whipple 1976-7-9 1389 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1408817  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1216 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (base camp, w Siskiyou Co.) 1828 Comment
  UC850384  Polygonum shastense L. E. Smith 1915-1 Siskiyou Mt. Shasta Comment
  UC917318  Polygonum shastense R. Tofsrud and J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows Mount Shasta (s slope of mt.) 2407 Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  CAS-BOT-BC76735  Polystichum imbricans subsp. imbricans L. B. Kildale 1930-6-1 9780 Siskiyou Black Bear Trail to Sawyers Bar Comment
  UC405222  Polystichum lemmonii J. G. Lemmon 1879-7-23 Siskiyou Scott Valley near Shasta Scott Valley Comment
  UC812042  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  HSC19182  Polystichum lonchitis J. O. Sawyer 1968-7-2 352 Siskiyou Upper Drainage of Joe Creek 1677 Comment
  HSC79133  Polystichum lonchitis C. J. Thomas 1983-10-1 86 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  RSA693279  Polystichum lonchitis M. B. Dunkle 1945-8-7 9332 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  HSC73053  Polystichum munitum Gail Newton 1980-6-20 477 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  CAS-BOT-BC102399  Populus fremontii Grant 1902-9-15 5257 Siskiyou Dunsmuir 609 Comment
  CAS-BOT-BC102771  Populus tremuloides W. R. Dudley 1899-8-11 s.n. Siskiyou near Butte Summit Comment
  HSC67627  Populus trichocarpa J. P. Smith, Steve Selva 1970-7-15 4345 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek 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
  RSA240075  Potamogeton alpinus Frederick W. Oettinger 1969-8-21 1473 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  JEPS94254  Potentilla anserina subsp. anserina Vernon H. Oswald and Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway 0.5 mi w of Bray (10 air mi e of Grass Lake located on Highway 97, 23 air mi ne of Weed); Old State Highway 1414 Comment
  HSC29381  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UC1560740 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2117 Siskiyou ridge e Cory Peak; China Mt. se Quad., ridge e of Cory Peak 2286 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  RSA211468  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC420527  Potentilla fruticosa Annie M. Alexander and Louise Kellogg 1911-8-14 330 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC94849  Potentilla glandulosa R. C. Wenk 2005-7-15 236 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2042 Comment
  JEPS47175  Potentilla gracilis var. fastigiata W. L. Jepson 1937-7-30 18550 Siskiyou Poker Flat Siskiyou Mts., headwaters of Indian Creek, Poker Flat 1584 Comment
  UC420577  Potentilla gracilis var. fastigiata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC648284  Potentilla gracilis var. fastigiata John Thomas Howell 1939-8-2 14931 Siskiyou Spirit Lake Marble Mountains, Spirit Lake 1828 Comment
  CAS-BOT-BC540548  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Along a creek near the Castle Lake Road 1524 Comment
  CAS-BOT-BC540552  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  CAS-BOT-BC540560  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  CAS-BOT-BC540575  Potentilla gracilis var. fastigiata W. B. Cooke; V. G. Cooke 1968-7-1 39229 Siskiyou Military pass Road at US-97, Mount Shasta 1371 Comment
  UC1409377  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou along trail midway between English Lake and drift fence (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  JEPS81657  Potentilla millefolia L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2297 Siskiyou Murphy Wells, 0.8 mile south of Bray junction on U.S.97. 1493 Comment
  UCR66582  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Shasta Valley. Between Weed and Gazelle 915 Comment
  UC2062454  Potentilla newberryi Barbara Ertter 2015-10-4 22452 Siskiyou East end of Grass Lake on Highway 97, south side of highway. Comment
  CAS-BOT-BC516383  Prosartes hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  UCSB24686  Prosartes hookeri Favero, R. 1968-4-28 Siskiyou 4.5 miles south west from Fort Goff on Klamath River highway, Klamath Mountains 731 Comment
  RSA238551  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-1 1126 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC120  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat, near public camp 1524 Comment
  LA86525  Prunus emarginata John M. Tucker; 1963-7-7 3711 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UC1312930  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake (base on e side of Kings Castle); Marble Mountain Wilderness Area, Kings Castle 1981 Comment
  UCSB62934  Prunus emarginata Sarr, Dan 1995-7-31 Siskiyou Upper falls of the McCloud River 950 Comment
  POM88103  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek. Comment
  UC903487  Prunus subcordata Dorothy Parker 1948-5-25 Siskiyou Plowman's Valley Comment
  CAS-BOT-BC151228  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka, at the base of the hills east of the town, along an irrigating ditch. Comment
  CAS-BOT-BC151241  Prunus virginiana var. demissa Doris K. Kildale 1928-8-20 6638 Siskiyou Head of North Fork of Salmon River at Finley's upper camp. Comment
  HSC18835  Prunus virginiana var. demissa D. M. Thomson 1965-8-14 198 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC43426  Prunus virginiana var. demissa Maralyn O'Meara 1974-5-26 448 Siskiyou Along Hwy. 3, 1/2 mi. NE of Fort Jones 854 Comment
  OBI55411  Pseudognaphalium thermale David J. Keil, Kathleen Keil 1992-7-21 23527 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  JEPS100200  Pseudoroegneria spicata Dean W. Taylor 2002-6-10 18124 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  CHSC71343  Pseudoroegneria spicata subsp. spicata Vernon H. Oswald; Lowell Ahart 1998-6-11 9195 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  RSA28131  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  UC143958  Pseudoroegneria spicata subsp. spicata Dr. E. B. Copeland 1903-7-4 3542 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  CAS-BOT-BC80170  Pseudotsuga menziesii Carl B. Wolf 1927-8-26 1070 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  HSC69562  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-6 2286 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  LA6346  Pseudotsuga menziesii var. menziesii Louis C. Wheeler; 1934-9-4 3243 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1371 Comment
  HSC69498  Pteridium aquilinum var. pubescens John S. Palmer 1980-8-12 738 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CHSC69077  Pterospora andromedea Vernon Oswald; Lowell Ahart 1997-7-28 8780 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CAS-BOT-BC460550  Pterospora andromedea G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  RSA12567  Pterospora andromedea C. B. Wolf 1934-7-6 6019 Siskiyou SW side of Mt. Shasta, about 4 mi. N.W. of Wagon Camp. 1524 Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  HSC19591  Purshia tridentata var. tridentata R. C. Wunner 1965-6-7 102 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS18590  Purshia tridentata var. tridentata W. L. Jepson 13844 Siskiyou halfway up trail from Sisson to Horse Camp; Mt. Shasta Comment
  UC454972  Purshia tridentata var. tridentata I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta Comment
  UC60889  Purshia tridentata var. tridentata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson; Mount Shasta Comment
  UC25274  Pycnanthemum californicum W. H. Brewer 1862-9-7 1355 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson Comment
  HSC73238  Pyrola asarifolia subsp. asarifolia Gail Newton 1980-6-20 474 Siskiyou Near Bald Mtn. 1097 Comment
  HSC61039  Pyrola asarifolia subsp. bracteata Ruby Van Deventer 24 Aug [year missing] Siskiyou Cameron Meadows Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  SD88340  Pyrola picta Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 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
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  CAS-BOT-BC68648  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  SEINET9005431  Quercus chrysolepis G. D. Butler 1910-6-7 1530 Siskiyou Greenhorn mountain Comment
  CAS-BOT-BC94664  Quercus garryana C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  UC767803  Quercus garryana Wm. H. Brewer 1862-1 1462 Siskiyou near Shasta Comment
  CAS-BOT-BC94653  Quercus garryana W. R. Dudley 1901-8-26 s.n. Siskiyou W of Willow Creek Slope, Salmon Mountains Comment
  UCSB60633  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  POM106358  Quercus kelloggii Geo. D. Butler 1908-7-4 235 Siskiyou Shasta River Comment
  SEINET10678056  Quercus kelloggii Karen M. Meyer, Andrew Townesmith 2007-8-4 Meyer 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  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-BC104366  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  CAS-BOT-BC104371  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Dryish meadow, on Blacj Mountain trail, marble Mts. 1798 Comment
  HSC31513  Quercus sadleriana Steve Selva, Roger Jensen 1974-8-22 36 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  HSC69019  Quercus sadleriana Maralyn A. Renner 1980-7-24 2016 Siskiyou Lily Pad Lake 1768 Comment
  LA86551  Quercus sadleriana Sandra L. Holloway; 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction Red Rock Valley trail and Canyon Creek trail 1341 Comment
  POM210971  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1860 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
  UC1313014  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou junction Red Rock Valley trail and Canyon Creek trail; Marble Mountain Wilderness Area 1341 Comment
  UCD59190  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou East of Cook and Green Pass 1524 Comment
  LA205358  Quercus sadleriana Edward Lee; 1934-8-13 1067 Siskiyou Kalmath National Forest, Happy Camp to Waldo (Oregon) rd, watershed of W Branch of Indian Creek 1371 Comment
  SEINET12029178  Quercus sadleriana S. L. Holloway 1963-1 77 Siskiyou jct Red Rock Valley Trail and Canyon Creek trail, Marble Mountain Wilderness Area Comment
  HSC74930  Quercus vacciniifolia J. P. Smith, Jennifer Whipple 1978-7-2 9975 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SBBG1344  Quercus vacciniifolia H. and M. Dearing 1939-6-30 3765 Siskiyou Callahan-Trinity Alps Rd 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
  SEINET12029702  Quercus vacciniifolia Unknown 1983-1 4889 Siskiyou Terrace Lake 1898 Comment
  UC70365  Ranunculus alismifolius var. alismifolius Milo S. Baker 1898-8-1 499 Siskiyou Medicine Lake; near shore Comment
  RSA183667  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1965-8-6 183 Siskiyou Marble Mountains; backside of Black Mountain Comment
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May 28 2009
  SEINET12100399  Ranunculus flammula H. P. Chandler 1901-1 1552 Siskiyou near Marble Mountain 1829 Comment
  JEPS60681  Ranunculus glaberrimus Milo S. Baker 1933-4-10 7350 Siskiyou Pacific Hwy 2 mi s Yreka; Pine Grove Auto Camp Comment
  POM99364  Ranunculus occidentalis var. ultramontanus Edward Palmer 1892-7-13 2499 Siskiyou Mount Shasta and vicinity Comment
  HSC61938  Ranunculus orthorhynchus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA211128  Ranunculus orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  UC220629  Raphanus raphanistrum H. E. Brown June 1-10 1897 343 Siskiyou near Sisson 1083 Comment
  RSA7844  Rhamnus californica Doris K. Kildale 1928-7-25 5916 Siskiyou Klamath River Comment
  RSA30429  Rhamnus purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, NE base of Mt. Eddy in moist soil in the forest. 1189 Comment
  UC163697  Rhamnus purshiana Geo. D. Butler 1910-8-7 1821 Siskiyou Humbug Mountain 1219 Comment
  SEINET13946352 Image available Rhamnus purshiana A. A. Heller 1915-1 12245 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  HSC76755  Rhodiola integrifolia subsp. integrifolia K. T. Stillman 1976-7-21 272 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CDA34292  Rhododendron occidentale var. paludosum J. Knorr 1980-7-8 51 Siskiyou Siskiyou Mtns.; Scott Mtn., NE of Hwy 3 crossing of Pacific Crest Trail. Cabin Meadows Creek. 1828 Comment
  CAS-BOT-BC438002  Ribes Doris K. Kildale 1928-8-18 6438 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC438012  Ribes L. E. Smith 1913-7-27 499 Siskiyou McCloud Comment
  CAS-BOT-BC92539  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  CAS-BOT-BC92543  Ribes binominatum L. E. Smith 1913-4-10 68 Siskiyou Yreka. Comment
  HSC29424  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  HSC813  Ribes binominatum William J. Ferlatte 1967-7-26 745 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  HSC92861  Ribes binominatum Jennifer Whipple 1978-6-5 2351 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC108774  Ribes cereum Elmer I. Applegate 1935-6-2 9266 Siskiyou Indian Well, Lava Beds National Monument. Comment
  JEPS43483 Image available Ribes cereum W. L. Jepson 1940-6-27 20036 Siskiyou e slope Mt. Shasta (along the Military Road) 1828 Comment
  UC1096827  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou 1 mi w Military Pass Rd. (along rd. to Brewer's Creek, w slope of Mt. Shasta); North Coast Ranges, Mt. Shasta Comment
  RSA0024868  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  RSA0023967  Ribes indecorum Marcus E. Jones 1931-7-17 s.n. Siskiyou Shasta City (Session s). Comment
  SEINET5339657  Ribes inerme var. klamathense G. Butler 1910-4-9 1160 Siskiyou Ditch Bank Yrelsa Comment
  HSC19373  Ribes lacustre J. O. Sawyer 1968-6-25 292 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS49367  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou near Marble Valley Camp 1676 Comment
  LA205433  Ribes lacustre Louis C. Wheeler; 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek, off Hungry Creek 1280 Comment
  CAS-BOT-BC173300  Ribes lacustre Milo S. Baker 1926-7-23 113 -'26 Siskiyou S. Fork Mt. - 5 mi. north of highway Comment
  RSA0021110  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  HSC61940  Ribes lobbii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC165265  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  SJSU6064  Ribes lobbii R. W. Trivelpiece 1971-6-9 26 Siskiyou near Deadman Peak c. 8 mi E of Cecilville, Salmon R Mts 1432 Comment
  CAS-BOT-BC212490  Ribes marshallii Doris K. Kildale 1928-8-20 6605 Siskiyou Lily Pad Lake nera Hancock Lookout Trail to Marble Mt. 1981 Comment
  UC637073  Ribes marshallii Edward Lee 1934-8-15 1131 Siskiyou Near Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed Klamath National Forest 1584 Comment
  CAS-BOT-BC219262  Ribes nevadense W. B. C. 1938-6-17 11006 Siskiyou Sisson Southern Trail 1676 Comment
  UC54301  Ribes nevadense H. M. Hall and E. B. Babcock June 1903 4131 Siskiyou Head of McCloud River Sierra Nevada Mountains, Mount Shasta 1524 Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp Comment
  CAS-BOT-BC200013  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-4 5521 Siskiyou Summit of divide between Salmon River and Scott Valley on road to Etna Comment
  HSC26225  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer 1972-5-27 5358 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  SD88347  Ribes sanguineum Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  UC1408853  Ribes sanguineum Frederick W. Oettinger and R. F. Thorne 1969-8-7 1280 Siskiyou se English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  RSA0019538  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  UC1127584  Ribes velutinum M. H. Mitchell 1936-5-21 25 Siskiyou Frozen River Cave Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  SEINET10627997 Image available Ribes velutinum A. Arthur Heller 1905-6-9 Heller 8005 Siskiyou Yreka. Comment
  HSC47  Ribes viscosissimum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin 1982 Comment
  HSC61947  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS86151  Ribes viscosissimum Wayne Roderick 1958-4 Siskiyou ca. 0.1 mi e Salmon Mountain Summit (w of Etna) 1828 Comment
  UCSC000807  Rigiopappus leptocladus Unknown 1889-6-27 s.n. Siskiyou Edgewood Comment
  HSC62118  Romanzoffia sitchensis Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  RSA238854  Romanzoffia sitchensis Frederick W. Oettinger 1968-9-1 650 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  JEPS53854  Rorippa curvisiliqua Milo S. Baker 1898-8-1 486 Siskiyou shore Medicine Lake; shore of Medicine Lake Comment
  SBBG30531  Rorippa curvisiliqua D. Myrick 1968-6-26 2032 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA237294  Rorippa curvisiliqua Frederick W. Oettinger 1969-9-1 1574 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  RSA0005646  Rosa copelandii E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy. 1463 Comment
  CAS-BOT-BC146753  Rosa gymnocarpa Doris K. Kildale 1929-8-24 9065 Siskiyou Trail to Preston Peak, between Young's Valley & Rattlesnake Meadow 1524 Comment
  LA208226  Rosa nutkana Louis C. Wheeler; 1934-10-27 3349 Siskiyou Siskiyou Mountains, Mt. Diablo Mer., Shasta River 1 mi. below Yreka Creek 731 Comment
  CAS-BOT-BC147055  Rosa pisocarpa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC147058  Rosa pisocarpa Alice Eastwood 1912-7-17 1147 Siskiyou Sisson Comment
  CAS-BOT-BC147072  Rosa pisocarpa Alice Eastwood 1923-5-23 11936 Siskiyou Cantara, S.P.R.R. Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  HSC74836  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1978-7-3 10005 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  SDSU9231  Rosa spithamea D. F. Howe 1977-7-1 4974 Siskiyou Scott Mountain Creek Road. 1097 Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  RSA593951  Rubus lasiococcus Louis C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1433 Comment
  RSA126292  Rubus leucodermis I. L. Wiggins 1955-7-22 13456 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  CAS-BOT-BC147313  Rubus parviflorus John Thomas Howell 1939-8-2 14937 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC157164  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC68414  Rubus ursinus Maralyn A. Renner 1980-7-4 1405 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC163748  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River near mouth; Shasta River near mouth Comment
  UCSB16644  Rubus ursinus Breedlove, Dennis 1962-6-11 Siskiyou About 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC67721  Rudbeckia occidentalis John Palmer 1980-8-15 971 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  CAS-BOT-BC95037  Rumex acetosella R. C. Wenk 2005-7-16 255 Siskiyou Trinity Alps, S Fork of the Salmon River, S end of Big Flat Meadow 1499 Comment
  CHSC71495  Rumex crispus Vernon H. Oswald; Lowell Ahart 1998-7-21 9345 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC433407  Rumex crispus L. R. Short 1933-6-16 50 Siskiyou Klamath National Forest. Klamath River 609 Comment
  SJSU15092  Rumex fueginus C. W. Sharsmith 1992-9-17 9244 Siskiyou Stateline Rd, Klamath Wildlife Refuge, Lower Klamath L 1225 Comment
  HSC44957  Sagina saginoides J. O. Sawyer 1978-6-16 3228 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC79090  Sagittaria cuneata Paul Wilson 1984-8-26 350 Siskiyou Juanita Lake Reservoir, edge of lake 1555 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
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 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
  UC164036  Salix exigua var. hindsiana Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek Comment
  RSA0034854  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  RSA0034685  Salix lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City. About 1.3 km. east of Burney Mill. 1110 Comment
  UC482253  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  HSC91251  Salix lasiandra var. lasiandra Jennifer Whipple 1977-8-6 2205 Siskiyou Dobkins Lake, below outlet of lake 2058 Comment
  JEPS13072  Salix lasiandra var. lasiandra J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  LA208779  Salix lasiolepis Louis C. Wheeler; 1934-12-16 3363 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  LA208782  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-19 410 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  POM107151  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou Yreka Creek. Comment
  UC576391  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 854 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124536  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC124542  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1118 Siskiyou On the Klamath River, Happy Camp Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  HSC61952  Salix scouleriana Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1524 Comment
  SBBG28806  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 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
  UCD111857  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City, east of Metcalf ranch house. 1080 Comment
  UCR142841  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City, about 1.3 km east of Burney Mill 1110 Comment
  UC25742  Salvia sonomensis Milo S. Baker 1893-8-19 Siskiyou s base Mt. Shasta (Squaw Valley); , Squaw Valley Comment
  POM46722  Sambucus melanocarpa Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
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Jan 23 2011
  HSC65077  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-6-15 3938 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC69296  Sambucus nigra subsp. caerulea Maralyn A. Renner 1980-7-24 1997 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC236485  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC34353  Sambucus racemosa var. racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7304 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  HSC3984  Sambucus racemosa var. racemosa Dorothy Parker 1949-8-12 364 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  UC735045  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  RSA237668  Sanicula graveolens Frederick W. Oettinger 1969-7-11 968 Siskiyou Near where the main trail splits off to English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC94390  Sanicula tuberosa R. C. Wenk 2005-6-17 169 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  CDA25435  Saxifraga fallax T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA760542  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63366 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC60781  Saxifraga howellii V. Stansell 1968-7-8 Siskiyou Bell Echo (Bell Echo Camp) in Youngs Valley. Comment
  CDA25443  Saxifraga oregana T. C. Fuller 1966-5-26 14716 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  JEPS13971  Saxifragopsis fragarioides C. G. Pringle 1882-9-5 Siskiyou cliffs overhanging Castle Lake Comment
  CHSC106106  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS75307  Schoenoplectus acutus var. occidentalis Geo. D. Butler 1909-10-10 1092 Siskiyou swampy place 1 mi n Yreka; n of Yreka Comment
  UCSC005437  Scirpus Janell M. Hillman 1997-5-26 19 Siskiyou Californiaand Oregon Power Company Land Comment
  HSC77192  Scirpus congdonii L. P. Janeway 1983-8-16 555 Siskiyou Poker Flat 1524 Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  UC184694  Scirpus maritimus Geo. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley Comment
  CHSC35674  Sclerochloa dura R. E. Preston 1982-5-1 276 Siskiyou Camp Creek Recreation Area, Irongate Reservoir, ca. 20 mi ne of Yreka. 701 Comment
  HSC63624  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-6-14 3867 Siskiyou Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  SFV5173  Scutellaria siphocampyloides B. C. Templeton 1960-6-21 8539 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  UC1585427  Sedum R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 39 Siskiyou on Seiad Valley Rd. 10.5 km n Hwy 96 (toward Cook and Green Pass, Seiad Valley area, ridge at junction between the West and East Forks of Seiad Creek); Seiad Valley area, btwn West and East Forks Seiad Creek 975 Comment
  CAS-BOT-BC59187  Sedum lanceolatum John Thomas Howell 1939-8-4 15050 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  JEPS105134  Sedum laxum subsp. flavidum Dean W. Taylor 1996-7-12 15794 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  UCR246362  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou Klamath Range (KR), W side of Forest Service Road 1040, 2.9 road miles above junction with FS Road 10; above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  UC115408  Sedum obtusatum subsp. boreale Dr. E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
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Aug 17 2011
  UC639143  Sedum obtusatum subsp. boreale W. B. Cooke 1939-8-10 13849 Siskiyou e bank Mud Creek Canyon Mount Shasta, e bank Mud Creek Canyon Comment
  RSA0059718  Sedum radiatum subsp. depauperatum L. C. Wheeler 1934-6-4 2643 Siskiyou Ridge S of Horse Creek near mouth, Siskiyou Mts. Mt. Diablo Mer. 1067 Comment
  UC166614  Sedum spathulifolium Geo. D. Butler 1908-8-21 498 Siskiyou Etna Creek Comment
  RSA603123  Sedum stenopetalum subsp. stenopetalum L. C. Wheeler 1934-8-14 3142 Siskiyou E end White Mt.; Siskiyou Mts. (Mt. Diablo Mer.) 1829 Comment
  UC1408848  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  POM25601  Selaginella densa var. scopulorum E. B. Copeland 1903-10-9 273 Siskiyou Mt. Eddy 1524 Comment
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Jan 23 2011
  SBBG8761  Senecio integerrimus H. and M. Dearing 1939-7-1 3773 Siskiyou W of Etna Crk 1219 Comment
  CAS-BOT-BC363933  Senecio integerrimus var. exaltatus Carl B. Wolf 1934-7-5 5964 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 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
  CHSC86683  Senecio integerrimus var. ochroleucus Jenny Marr 1993-7-1 66 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC364433  Senecio triangularis Alice Eastwood 1921-7-24 10775 Siskiyou Castle Lake Comment
  HSC19472  Senecio triangularis J. O. Sawyer 1968-7-9 432 Siskiyou W of Little Duck Lake. 1936 Comment
  UC163869  Senecio triangularis Geo. D. Butler 1908-8-9 340 Siskiyou Marble Valley Comment
  RSA237594  Sibbaldia procumbens Frederick W. Oettinger 1969-9-3 1608 Siskiyou Shasta Ridge N below English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 2195 Comment
  UC1013143  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou on road to Waldo 4 mi n Happy Camp; n of Happy Camp on rd to Waldo Comment
  POM84653  Sidalcea malviflora subsp. asprella Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  UC164426  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  JEPS75882  Sidalcea oregana subsp. spicata W. J. Ferlatte 1966-8-2 227 Siskiyou S Fork Salmon R , S Fork Salmon R (Trinity Alps) 1524 Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  UC1096831  Silene campanulata subsp. glandulosa Milo S. Baker 1957-6-16 13151 Siskiyou Trip to Scott Mts. from Turn off near Callahan; North Coast Ranges, trip to Scott Mts. Comment
  RSA237846  Silene campanulata subsp. glandulosa Frederick W. Oettinger, R. F. Thorne 1969-8-9 1315 Siskiyou Below first river crossing, region of Abbott s Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  JEPS87358  Silene douglasii W. L. Jepson 1940-6-23 20027 Siskiyou n Mt. Shasta (Andesite station); n of Mt. Shasta, Andesite station 975 Comment
  SD98921  Silene douglasii Darley F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta. 1460 Comment
  HSC65007  Silene grayi D. L. Goforth 1979-7-19 257 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi NW of upper lake 2134 Comment
  HSC68330  Silene grayi Maralyn A. Renner 1980-6-26 1241 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1602154  Silene grayi Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 20 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC389421  Silene lemmonii Peter H. Raven 1956-9-5 10447 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC389536  Silene menziesii Wm. Bridge Cooke 1940-7-5 15236 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  CAS-BOT-BC175120  Silene suksdorfii Mary Ann Showers 1980-8-28 2071 Siskiyou On vertical n and ne-facing slopes of Red Butte, on lower slope of Mt. Shasta, Shasta-Trinity Natl Forest 2468 Comment
  CDA3454  Silene vulgaris R. S. Richards 1967-6-15 Siskiyou Highway 3, 1 mile south of Etna. 0 Comment
  HSC64805  Sisymbrium altissimum J. P. Smith 1974-5-26 7388 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC375212  Smilacina racemosa Geo. D. Butler 1908-8-7 96 Siskiyou West Fork Wooley Creek; head Comment
  SEINET3992515  Smilacina stellata var. sessilifolia Unknown 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  CHSC1941  Solanum parishii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC46804  Solanum parishii William J. Ferlatte 1974-7-25 1580 Siskiyou Lower slope of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  CAS-BOT-BC157012  Solanum umbelliferum E. I. Applegate 1898-5-15 2137 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  UC1034622  Solanum umbelliferum Douglas Barbe 1955-6-27 2 Siskiyou 2.0 mi e of Callahan (at Trinity Center Road junction); Klamath Mountains 975 Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  UC727197  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy 2682 Comment
  UCD133894  Solidago multiradiata Robert E. Preston 2001-8-26 1765 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1889 Comment
  UC1282003  Solidago velutina subsp. californica Louise Kellogg 1953-8-4 97 Siskiyou n of Callahan near Scott River (edge of Scott Valley); Scott Mountains, edge of Scott Valley Comment
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 Siskiyou At 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-BC157324  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 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
  RSA300519  Sorbus californica John Dourley, Walter Wisura 1982-10-16 3876 Siskiyou Castle Lake. SW of the town of Mt. Shasta. 1646 Comment
  SEINET3157624  Sorbus sambucifolia G. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC158924  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  HSC29500  Sorbus scopulina Frederick W. Oettinger 1968-8-13 501 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  HSC29507  Sorbus scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  UCR70825  Sorbus scopulina L. C. Wheeler 1934-8-8 3068 Siskiyou Siskiyou Mtns., West Fork Beaver Creek 1677 Comment
  UC163744  Sorbus scopulina var. scopulina Geo. D. Butler 1908-8-4 281 Siskiyou head of west fork of Wooley Creek Comment
  LA208276  Sorbus sitchensis W. B. C.; 1939-6-30 13576 Siskiyou Mount Shasta, Along the Sisson Southern Trail 1981 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC61147  Sphenosciadium capitellatum Al Hobart 1967-10-26 Siskiyou El Capitan Comment
  CHSC1608  Spiraea densiflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC18899  Spiraea douglasii J. O. Sawyer 1968-6-25 307 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC68  Spiraea douglasii William J. Ferlatte 1966-8-18 422 Siskiyou Willow Creek Trail. Comment
  RSA237598  Spiraea douglasii Frederick W. Oettinger 1969-8-16 1409 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  UC212917  Spiraea douglasii Geo. L. Fisher 1920-6-29 56 Siskiyou Mt. Shasta 1066 Comment
  JEPS64502  Spiranthes porrifolia Willis L. Jepson 1894-1 21285 Siskiyou Sisson Region of the Upper Sacramento Comment
  JEPS74519  Stachys ajugoides var. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake Trinity Alps, Josephine Lake Basin 1676 Comment
  RSA768922  Stachys palustris subsp. pilosa L. Ahart, John Dittes 2010-7-30 16948 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CDA19579  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; 2.5 mi W of Yreka. 929 Comment
  CAS-BOT-BC181418  Stellaria calycantha Wm. Bridge Cooke 1939-8-8 13820 Siskiyou Frequent in the border of the wet area around the upper spring along the Summit Trail above Horse Camp - Mount Shasta 2514 Comment
  CAS-BOT-BC181420  Stellaria calycantha Wm. Bridge Cooke 1940-8-22 15457 Siskiyou Common near springs in Mud Creek Canyon, especially near Clear Creek - Mount Shasta 1981 Comment
  UC165935  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou near Yreka Comment
  CHSC99976  Stenanthium occidentale L. P. Janeway 2008-7-25 9493 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  HSC75256  Stenanthium occidentale J. O. Sawyer, M. Mesler 1980-8-13 4050 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  JEPS36844  Stephanomeria lactucina Geo. D. Butler 1909-1 Siskiyou Highland Mine, Russian Creek North Fork of Salmon River, Russian Creek 1828 Comment
  CAS-BOT-BC375638  Stephanomeria lactucina W. R. Dudley 1899-8-9 s.n. Siskiyou Mesa above Upton, south of Black Butte Comment
  HSC6233  Stephanomeria virgata D. M. Thomson 1965-8-14 184 Siskiyou California Lava Beds National Monument; Caldwell Butte Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  UC726781  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC87082  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1927-4-12 2071 a Siskiyou Southeast slope Herds Peak. 396 Comment
  SD53403  Streptanthus tortuosus Darley F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta 2440 Comment
  CDA39710  Swertia albicaulis D. Janssen & F. D. Horn 1978-5-15 s.n. Siskiyou Hotlum Road, approximately 5 km northeast of Weed. 0 Comment
  UC1045242  Swertia albicaulis var. albicaulis unknown 1940-6-27 15204 Siskiyou near the old Hotlum road; Mount Shasta Comment
  UC166206  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka 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
  RSA105341  Symphoricarpos acutus G. D. Barbe 1955-8-1 334 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  CAS-BOT-BC269626  Symphoricarpos albus var. laevigatus John Thomas Howell 1937-7-21 13188 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA273340  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 1.2 mile W of Cook & Green Pass on road to Lily Pad Lake. Comment
  HSC42903  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-28 2729 Siskiyou Along Rd. W of Sawyers Bar. 610 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
  HSC77248  Symphoricarpos mollis L. P. Janeway 1983-7-18 432 Siskiyou Near Rd. 19N07, ca. 6 mi. from Indian Creek Rd. 1220 Comment
  JEPS12887  Symphoricarpos mollis W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  RSA428900  Symphoricarpos mollis M. B. Dunkle 1944-7-7 9072 Siskiyou Siskiyou Nat'l Forest. 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
  POM67558  Symphoricarpos vaccinioides Edward Palmer 1892-7-13 2560 Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC97887  Symphyotrichum eatonii L. E. Smith 1912-8-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC97884  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  HSC34310  Symphyotrichum foliaceum J. P. Smith, J. O. Sawyer 1973-8-14 7323 Siskiyou West of Cliff Lake 2012 Comment
  HSC68185  Symphyotrichum foliaceum var. parryi J. P. Smith, J. O. Sawyer 1973-8-14 7296 Siskiyou W shore of Campbell Lake 1768 Comment
  CAS-BOT-BC97946  Symphyotrichum frondosum Louis C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek, Siskiyou Mts. 1219 Comment
  UC894127  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  JEPS22233  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6820 Siskiyou 7 mi w of, in field near roadside Callahan 1127 Comment
  RSA86745  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley. 793 Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 Comment
  CDA7683  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2640 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  CAS-BOT-BC85240  Taxus brevifolia Doris K. Kildale 1928-7-3 5457 Siskiyou 8 miles east of Forks of Salmon on road to Sawyers Bar Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  HSC73324  Taxus brevifolia Gail Newton 1980-6-20 481 Siskiyou Near Bald Mtn. 1097 Comment
  HSC98257  Taxus brevifolia G. L. Clifton, Griswold 1979-6-28 6128 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC903493  Taxus brevifolia Dorothy Parker 1945-4-30 Siskiyou along banks Kidder Creek (Scott Valley); , along banks of Kidder Creek 853 Comment
  CDA40204  Thermopsis robusta G. F. Hrusa, T. D. Wilfred 1998-7-5 14700 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Sheet 1 of 2 Comment
  RSA168913  Thermopsis robusta Joseph P. Tracy 1950-7-20 19213 Siskiyou Along top of ridge 5 miles SE of Flint Valley and along the road to Prospect Hill Comment
  CHSC30904  Thlaspi montanum var. montanum M. S. Taylor 1980-7-8 3097 Siskiyou S end of Little Castle Lake, in cliffs. 1767 Comment
  CAS-BOT-BC67267  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou Dryland near Yreka. Comment
  RSA120844  Tofieldia glutinosa subsp. occidentalis G. D. Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CAS-BOT-BC447627  Tolmiea menziesii Dorothy Parker 1960-7-4 118 Siskiyou Moist granitic sand along stream. Salmon Mts. 1767 Comment
  HSC42953  Torreyochloa pallida var. pauciflora J. O. Sawyer, Ken Stillman 1976-7-1 2779 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS104953  Torreyochloa pallida var. pauciflora Dean W. Taylor 1996-6-24 15740 Siskiyou Klamath River canyon near Oregon State Line; Klamath National Forest 1066 Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  CHSC4160  Toxicoscordion venenosum var. venenosum R. Carter 1966-5-15 404 Siskiyou Location: 1.7 mi. SE Callahan, 1.1 mi. S intersection Callahan-Gazella Rd. and Old Oregon State Rd. 1310 Comment
  CDA40990  Trichostema lanceolatum F. D. Horn 1977-10-4 s.n. Siskiyou Bogus Area east of Hornbrook. 0 Comment
  HSC39320  Trifolium eriocephalum J. P. Smith 1974-5-26 7386 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC58921  Trifolium eriocephalum Marvin Butler 1971-7-11 90 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  UC149763  Trifolium eriocephalum var. eriocephalum Harley P. Chandler 1901-6-1 1712 Siskiyou near Marble Mtn; North Coast Ranges 1981 Comment
  UC585220  Trifolium eriocephalum var. eriocephalum E. B. Babcock and G. L. Stebbins 1936-6-11 1891 Siskiyou ca 2 s Yreka 822 Comment
  CAS-BOT-BC219046  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou Shackleford Creek Comment
  HSC61459  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  UC70388  Trifolium longipes var. hansenii Milo S. Baker 1898-8-1 491 Siskiyou Paynes Springs Comment
  UC164162  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Dry hill Yreka Comment
  UCD78064  Trifolium productum Robert E. Preston 2001-6-23 1607 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1981 Comment
  CAS-BOT-BC230884  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mt. 1676 Comment
  UC454715  Trifolium variegatum var. variegatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC630703  Trifolium wormskioldii A. A. Heller 1919-6-25 13285 Siskiyou Compton's Prairie se base of Mt. Eddy 1158 Comment
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  RSA78846  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 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
  CAS-BOT-BC133487  Triteleia crocea R. C. Barneby 1954-5-16 11509 Siskiyou Klamath R. canyon, 10 1/2 mi. below Klamath River P.O. 1550 Comment
  POM109794  Triteleia crocea var. crocea Geo D. Butler 1909-5-30 786 Siskiyou Humbug Mountain. 1220 Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  LA21975  Triteleia ixioides subsp. anilina Mary V. Hood; 1940-6-6 15083 Siskiyou Klamath Mountains, Castle Lake Road Comment
  SEINET200218  Triteleia ixioides subsp. anilina Francia Chisaki, Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek on road to ice cavesnorth of McCloud 1158 Comment
  CHSC27347  Tsuga mertensiana T. B. Devine 1976-10-23 365 Siskiyou 1/8 mi ne of Little Duck Lake. 1950 Comment
  HSC68998  Tsuga mertensiana Maralyn A. Renner 1980-7-28 2200 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS48251  Tsuga mertensiana B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  NY64387  Tsuga mertensiana I. L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Prinitive Area 2042.2 Comment
  CAS-BOT-BC74092  Turritis glabra A. A. Heller 1916-6-23 12437 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  HSC67616  Typha J. P. Smith, Steve Selva 1970-8-8 4557 Siskiyou Juanita Lake Comment
  HSC67575  Typha latifolia J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5739 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  SFV17864  Utricularia vulgaris J. D. Dilley 1998-7-13 361 Siskiyou Siskiyou Mountains Grass Lake by rest stom on Interstate Highway 97, 20 miles north of Weed. 1550 Comment
  CAS-BOT-BC199187  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC199189  Vaccinium cespitosum John Thomas Howell 1939-8-10 15267 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC114196  Vaccinium cespitosum Loren Gehrung 1996-8-19 177 Siskiyou Russian Wilderness Area. Along Sugar Creek. 1676 Comment
  CHSC608  Vaccinium cespitosum M. Yoder 1941-6-28 Siskiyou Castle Lake. 2133 Comment
  HSC19109  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1813 Siskiyou Above Sugar Lake 2134 Comment
  HSC19245  Vaccinium cespitosum J. O. Sawyer, Steve Selva 1969-8-1 1653 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC24792  Vaccinium cespitosum J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  JEPS128461  Vaccinium cespitosum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -062 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  RSA211434  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin. 1982 Comment
  RSA760540  Vaccinium cespitosum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63363 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  UC22198  Vaccinium deliciosum Harley P. Chandler June 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges; near Marble Mt., Siskiyou Co. 2133 Comment
  CHSC77150  Vaccinium membranaceum Loren Gehrung 1996-9-19 128 Siskiyou 1 mile NW of Castle Lake. Scott Camp Creek, near Methodist Church Camp. 1627 Comment
  HSC19353  Vaccinium membranaceum J. O. Sawyer 1968-6-18 222 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC19369  Vaccinium membranaceum J. O. Sawyer 1968-9-13 712 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC61122  Vaccinium membranaceum Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  CAS-BOT-BC506662  Valeriana sitchensis subsp. sitchensis Dana York 2011-9-8 3080 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Along PCT ca 650 m SE of Paradise Lake 1950 Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  CAS-BOT-BC527988  Veratrum Geo. D. Butler 1908-8-26 536 Siskiyou Salmom Mountain 1524 Comment
  CHSC2323  Veratrum californicum var. californicum V. Holt 1932-7-10 Siskiyou Mt. Shasta City. 1097 Comment
  CAS-BOT-BC527063  Veratrum viride var. eschscholzianum John Thomas Howell 1939-8-3 15018 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC72388  Verbascum thapsus J. P. Smith, Steve Selva 1970-8-8 4545 Siskiyou Juanita Lake Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  RSA211146  Veronica americana William J. Ferlatte 1967-6-27 527 Siskiyou Big Flat. Between campground and S Fork of the Salmon River. 1524 Comment
  JEPS16473  Veronica peregrina subsp. xalapensis Geo. D. Butler 1909-5-2 692 Siskiyou Yreka Comment
  UCD124908  Veronica serpyllifolia subsp. humifusa J. M. Tucker; L. K. Mann 1963-8-17 3744 Siskiyou Beside trail from Red Rock Valley to top of ridge. Marble Mountain Wilderness Area. 1859 Comment
  HSC68503  Vicia americana var. americana Maralyn A. Renner 1980-6-7 787 Siskiyou N of Greenhorn Rd. 1098 Comment
  POM252939  Vicia americana var. americana A. A. Heller 1938-7-12 15246 Siskiyou 5 miles north of Weed on US Hwy #97. 1067 Comment
  CAS-BOT-BC213721  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC270227  Viola adunca L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  SEINET6176312  Viola adunca James P. Smith 1974-5-25 7464 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3.; 0 1158 Comment
  RSA402172  Viola adunca Christopher Davidson 1975-6-5 2674 Siskiyou Ca 2 mi from gate on special service road branching SE of rd from Gazelle to Callahan,ca 9.3 mi W of Gazelle. 1593 Comment
  RSA52434  Viola arvensis Dorothy Parker 1948-6-3 s.n. Siskiyou Along the Scott River (near Fay Lane Bridge), Scott Valley. Comment
  UC1762378  Viola bakeri Freed Hoffman 1948-7-13 2631 Siskiyou 8 mi S of Tennant Comment
  CAS-BOT-BC5199  Viola bakeri Milo S. Baker