Search Results — 2000 specimen records retrieved (1346 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/consortium/).
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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
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69712  Abies concolor Maralyn A. Renner 1980-7-15 1771 Siskiyou English Lake inlet 1780 Comment
  CHSC27349  Abies lasiocarpa T. B. Devine 1976-10-23 364 Siskiyou NW side of Little Duck Lake, 10 ft from water line. 2042 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  RSA226605  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  HSC31545  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  SEINET3111501  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Along trail from Doe Flat campground to Buck Lake. Comment
  CLARK-A1528-1053  Acer circinatum John C. Roos 1939-7-5 1520 Siskiyou 990 Comment
  HSC61849  Acer glabrum var. torreyi Ruby Van Deventer 1938-8-5 Siskiyou Poker Flat 1585 Comment
  RSA183746  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou Marble Mountains, on trail to 4-corners Comment
  RSA237823  Acer glabrum var. torreyi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1206 Siskiyou Slope at Willow Springs, along the trail between Abbots Upper Cabin and English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC332783  Acer macrophyllum Carl B. Wolf 1927-8-26 1103 Siskiyou On the Klamath River, 14 mi above Happy Camp Comment
  UC170342  Acer negundo Geo. D. Butler 1908-7-11 1030 Siskiyou Yreka Comment
  CAS-BOT-BC336933  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53405 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC18864  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  CAS-BOT-BC28855  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  CAS-BOT-BC30440  Achillea millefolium A. A. Heller 1915-8-26 12241 Siskiyou Mt. Eddy 1828 Comment
  CHSC247  Achillea millefolium W. Gorsuch 1935-6-28 Siskiyou SS Campus. 1097 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC76955  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC96314  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC630400  Achillea millefolium Annetta Carter 1939-8-21 1476 Siskiyou summit of peak above se end (12 mi sw of Etna) Taylor Lake; Salmon Mountains 2286 Comment
  UC890994  Achillea millefolium unknown 1915-8-26 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC18863  Achillea millefolium David D. Keck 1938-8-7 4850 Siskiyou 1 mi. N of Schmitt Mill on road between Gazelle and Callahan, Scott Mtns. 1463 Comment
  HSC96834  Achillea millefolium S. Lyon, J. McIntire 2006-6-25 21 Siskiyou On FS 39N35, .25 mi. SE of intersection with Road 39N27 1341 Comment
  RSA237216  Achillea millefolium var. occidentalis Frederick W. Oettinger 1969-7-29 1094 Siskiyou On bedrock ridge above Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC29268  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Marble Mtn. Wilderness Area, near gap between Tom's Lake Basin and Tobacco Lake Basin 1829 Comment
  RSA238570  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC216923  Achnatherum occidentale John Thomas Howell 1934-7-4 12390 Siskiyou SE corner of the county Comment
  UCD51031  Achnatherum occidentale subsp. californicum H. S. Yates 1936-6-4 5837 Siskiyou 1 mile S.W. of Signal Butte. 1341 Comment
  POM211396  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1934-6-11 2684 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  RSA238983  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-3 1141 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC101739  Acmispon wrangelianus J. P. Smith, J. O. Sawyer 2010-5-2 12798 Siskiyou River access road, on the Salmon River. 164 Comment
  UC1299408  Aconitum columbianum Freed W. Hoffman 1951-7-15 4038 Siskiyou w. side Kelsey Creek (Hammond Camp); , Kelsey Creek 1524 Comment
  CAS-BOT-BC391507  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13323 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC412918  Aconogonon davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC4990  Adenocaulon bicolor J. O. Sawyer 1968-6-25 345 Siskiyou Along Horse Range Creek 1646 Comment
  HSC98138  Adenocaulon bicolor J. O. Sawyer 1969-7-23 1451 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  UC88424  Adenocaulon bicolor Dr. E. B. Copeland 1903-9-5 3925 Siskiyou at foot of mountain Mt. Eddy; Pacific Coast, Mt. Eddy 1188 Comment
  CHSC71558  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1998-8-3 9452 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. East of Kangaroo Lake. 1920 Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC42043  Adiantum aleuticum Marshall A. Howe 1894-8-7 Siskiyou Mossbrae Falls Shasta Soda Springs Comment
  UC637091  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  JEPS18723  Ageratina occidentalis Willis L. Jepson 1894-8-4 Siskiyou half-way Sission to Horse-Camp; Mt. Shasta Comment
  HSC5645  Ageratina occidentalis D. M. Thomson 1965-8-21 200 Siskiyou California Lave Beds N.M.; by main road, Devil's Homestead Lava Flow Comment
  UCSB7930  Ageratina occidentalis Hardham, Clare 1965-8-20 Siskiyou Near the Cudahy Lakes; on the Granite Trail; Marble Mountains 1524 Comment
  CAS-BOT-BC15481  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-11 10506 A Siskiyou Slopes above Medicine Lake, Shasta National Forest Comment
  RSA183696  Agoseris aurantiaca Gilbert Muth 1965-8-12 215 Siskiyou Marble Mountains: Marble Valley Comment
  RSA14497  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CHSC88372  Agoseris glauca var. monticola Jenny Marr 1993-7-1 178 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC43334  Agoseris grandiflora Maralyn O'Meara 1974-5-27 473 Siskiyou Along FS Rd. 47N03 1646 Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  HSC67943  Agoseris heterophylla J. P. Smith 1973-5-5 6431 Siskiyou Along Cook and Green Pass Rd. Comment
  UC163892  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou near Yreka Comment
  POM33129  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou Dry land near Yreka Comment
  HSC45161  Agoseris retrorsa J. O. Sawyer, E. Cope 1977-6-19 2945 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD37082  Agrostis exarata Beecher Crampton 1956-8-21 3821 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  UCD52273  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC39909  Agrostis gigantea J. P. Smith, Steve Selva 1970-7-16 4376 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  POM207472  Agrostis hallii W. C. Blasdale, Jos Burtt Davy 1899-7-30 6175 Siskiyou Near Ferndale Comment
  CAS-BOT-BC139138  Agrostis oregonensis Alice Eastwood 1921-7-25 10834 Siskiyou Bigelows McCloud River. Comment
  RSA239065  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1155 Siskiyou Above Sundew Bog, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS72964  Agrostis scabra W. L. Jepson 1940-7-4 20112 Siskiyou 5 mi se Barlte; Big Bear Flat 1219 Comment
  HSC39912  Agrostis stolonifera J. P. Smith, Steve Selva 1970-7-16 4394 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  SEINET7594404 Image available Agrostis stolonifera Frederick W. Oettinger 1968-1 790 Siskiyou Cliffs south of English Lake, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1646 Comment
  UC204766  Agrostis thurberiana Geo. D. Butler 1910-7-13 1767 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC138482  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  CAS-BOT-BC138485  Agrostis variabilis Alice Eastwood 1912-8-30 1986 Siskiyou Mount Eddy. Comment
  UCD53690  Agrostis variabilis A. H. Murphy 1953-7-29 KNF 14 Siskiyou Steavale Canyon, Kalmath National Forest. 1524 Comment
  UCD53705  Agrostis variabilis Robert E. Preston 2001-7-20 1680 Siskiyou Klamath National Forest, norht slope of Rainbow Mountain, n of Hemlock Lake. 1700 Comment
  JEPS117468  Alisma plantago-aquatica Lowell Ahart, John Dittes 2010-7-30 16949 Siskiyou On the bottom of a water ditch, at the edge of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) 716 Comment
  SEINET3883771  Allium amplectens D. E. Bright 1961-6-15 190 Siskiyou 5 miles west of Bray, California.; 0 Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  HSC45484  Allium bolanderi var. bolanderi Maralyn O'Meara 1974-5-25 431 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UCD77310  Allium campanulatum Robert E. Preston 2002-6-20 1835 Siskiyou Klamath National Forest, Rainbow Mountain, 1911 Comment
  HSC30437  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou Marble Mtn. Wilderness Area, N of Tom's Laver Pond 1982 Comment
  HSC91453  Allium falcifolium Jennifer Whipple 1976-7-1 1225 Siskiyou Near Little Crater Lake 2195 Comment
  RSA367094  Allium falcifolium L. C. Wheeler 1935-6-9 3566 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA367096  Allium falcifolium Christopher Davidson 1975-6-5 2663 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC86629  Allium obtusum var. obtusum D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2134 Comment
  CHSC96090  Allium siskiyouense L. P. Janeway 2006-7-4 8792 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC1037457  Allotropa virgata Douglas Barbe 1955-7-28 304 Siskiyou Eastern side of hill about 1/2 mile west of Scott Mtn. Forest Camp, Scott Mts. near the Trinity - Siskiyou County line 1645 Comment
  CAS-BOT-BC171397  Alnus incana subsp. tenuifolia Geo. B. Grant 1902-9-6 s.n. Siskiyou Sisson Comment
  UCD109994  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CHSC118466  Alnus incana subsp. tenuifolia Julie Kierstead Nelson 2015-8-13 2015 -131 Siskiyou UTM NAD 83 Zone 10, 536590m E, 4583713m N. Headwaters of west fork Parks Creek, 2 miles NE of China Mountain 2176 Comment
  CAS-BOT-BC169375  Alnus viridis subsp. sinuata Mrs. H. P. Bracelin 1936-5-11 840 Siskiyou Mt. Eddy, about 6 miles NW of Mt. Shasta City; Wagon Creek canyon above Metcalf ranch house 1188 Comment
  HSC2197  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Cottonwood Creek 838 Comment
  CAS-BOT-BC138102  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  UCR19354  Alyssum alyssoides Edwin Kline 1920-6-24 s.n. Siskiyou [no specific locality] 1067 Comment
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Sep 26 2018
  CAS-BOT-BC17202  Alyssum alyssoides L. E. Smith 1913-5-27 299 Siskiyou Weed. Comment
  UCD20184  Alyssum desertorum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  HSC46170  Ambrosia artemisiifolia Jennifer Whipple 1978-8-22 2446 Siskiyou Scott Valley along the Island Road 793 Comment
  HSC22281  Amelanchier alnifolia var. semiintegrifolia J. O. Sawyer 1969-7-3 1046 Siskiyou Above Lipstick Lake 1951 Comment
  HSC27466  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 1972-5-28 5378 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  HSC29353  Amelanchier pallida Frederick W. Oettinger 1969-8-13 1358 Siskiyou Marble Mtn. Wilderness Area, below Halfway Spring, trail from English Lake to Diamond Lake 1829 Comment
  UC796487  Amelanchier utahensis Roxana S. Ferris and Laura Lorraine 1948-6-12 11844 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); Gazelle Mountain 1499 Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  UC134306  Anaphalis margaritacea Copeland 1903-8-13 3816 Siskiyou Sisson Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  CAS-BOT-BC391753  Anemone L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC391800  Anemone deltoidea Doris K. Kildale 1928-7-4 5459 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  RSA238285  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC92641  Anemone drummondii Jennifer Whipple 1976-9-3 1770 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2470 Comment
  UC1736533  Anemone drummondii Dean W. Taylor 1972-7-4 1606 Siskiyou near Lily Pad Lake, Cook and Green Pass region 1981 Comment
  POM365634  Anemone drummondii M. B. Dunkle 1945-1 9358 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC22417  Anemone lyallii J. O. Sawyer 1969-6-12 936 Siskiyou Along Duck Lake Creek 1921 Comment
  CAS-BOT-BC391939  Anemone multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  POM365636  Anemone multifida M. B. Dunkle 1945-1 9312 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC26119  Anemone multifida var. multifida J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5685 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1188083  Anemone occidentalis Philip A. Munz 1960-8-22 24184 Siskiyou Mt. Shasta, Panther Meadows 2529 Comment
  RSA238274  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA259561  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside W of Cliff Lake 1982 Comment
  UCSB11466  Anemone occidentalis Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Soloman Mt. Summit 1981 Comment
  JEPS25818  Angelica arguta Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek hackleford Creek; Log Lake, Shackleford Creek 1524 Comment
  HSC71958  Angelica tomentosa J. M. DiTomaso 1980-8-26 1917 Siskiyou Shasta Springs, 2 mi along railroad track, N end of Scarlet Way, 4 mi N of Dunsmir. Along W side of Sacramento River 762 Comment
  HSC71992  Angelica tomentosa J. M. DiTomaso 1980-8-7 1861 Siskiyou Rattlesnake Meadow, below Preston Peak 1631 Comment
  CAS-BOT-BC59280  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Creek, Sterling Mt. Mt. Diablo Mer. 1767 Comment
  CHSC29308  Antennaria geyeri J. D. Prouty; A. Ratcliff 1979-6-28 79 .89 Siskiyou Toad Mtn. 152 Comment
  UC726002  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on state highway #49) 1066 Comment
  HSC29212  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; slope NNW of Upper English Lake 2012 Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  SBBG30513  Antennaria rosea D. Myrick 1968-6-26 2031 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA238707  Antennaria rosea Frederick W. Oettinger, J. Morrison 1967-8-17 277 Siskiyou Common on Shasta Ridge, approx. 0.1 mi. SSW of Diamond Lake; e-facing slope amid granite boulders near woods edge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  HSC21968  Antennaria rosea subsp. rosea J. O. Sawyer 1969-8-4 1843 Siskiyou Above Sugar Lake 2134 Comment
  HSC29209  Antennaria rosea subsp. rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; on dry border of 'Bear Meadow', between Tom Taylor Cabin and English Peak Lookout 2005 Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  HSC3207  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbug Creek 854 Comment
  JEPS83880  Apocynum androsaemifolium Wayne Roderick 1976-7-1 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass) 1706 Comment
  UC22902  Apocynum androsaemifolium W. H. Brewer 1862-9-16 1407 Siskiyou Mt. Shasta Comment
  UCD77342  Apocynum androsaemifolium Robert E. Preston 2001-8-26 1765 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  CAS-BOT-BC395145  Aquilegia formosa Alice Eastwood 1917-9-2 6656 Siskiyou Shasta Springs Comment
  CAS-BOT-BC395146  Aquilegia formosa Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  JEPS55089  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Mountain Comment
  UC166055  Aquilegia formosa Geo. D. Butler 1910-6-17 1576 Siskiyou Humbug Mountain 1219 Comment
  UC853767  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley Marble Mtns Comment
  RSA211137  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  HSC69740  Arabis breweri var. breweri Maralyn A. Renner 1980-6-26 1277 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UCR37538  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou South ridge of Little Grayback Mtn. Comment
  HSC29177  Arabis divaricarpa Frederick W. Oettinger 1969-8-18 1421 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1829 Comment
  HSC40062  Arabis divaricarpa J. P. Smith, Steve Selva 1970-6-16 4075 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA0126148  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou Bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC74922  Arabis holboellii var. pendulocarpa J. P. Smith, Jennifer Whipple 1978-7-2 9963 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  RSA47642  Arabis holboellii var. pinetorum Roxana S. Ferris, Laura Lorraine 11762 Siskiyou East fork of Scott River one mile N of Callahan. Comment
  RSA77996  Arabis holboellii var. pinetorum Verne Grant, Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  HSC69496  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-19 3695 Siskiyou Near FS Rd. 45N0 2018 Comment
  RSA0128992  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC90273  Arabis oregana D. L. Goforth 1980-6-27 646 Siskiyou Scott River at Middle Creek Camp 724 Comment
  HSC26562  Arabis platysperma J. P. Smith, J. O. Sawyer 1972-8-20 5754 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC90605  Arabis platysperma var. howellii Jennifer Whipple 1977-7-22 2057 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  UCR37603  Arabis subpinnatifida K. Faber, Scott LaChance, Mike Rekart 1984-5-26 51 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  SEINET2471229  Arceuthobium abietinum R. L. Mathiasen 2008-9-16 2008 -31 Siskiyou Ca. 4.8 km E. of Etna Summit on road to Sawyers Bar 1630 Comment
  POM354182  Arceuthobium douglasii Louis C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mtns, West Fork Cottonwood Creek. 1372 Comment
  UCSB24813  Arceuthobium douglasii Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seiad Valley 1341 Comment
  UCR51807  Arctium minus L. C. Wheeler 1934-9-17 03276 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 703 Comment
  SEINET11989681  Arctostaphylos klamathensis Unknown 1982-1 20804 Siskiyou above uppermost lake above Terrace Lake 1981 Comment
  CLARK-A1528-7768  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou Etna Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC4924  Arctostaphylos nevadensis J. O. Sawyer 1968-6-25 336 Siskiyou 1646 Comment
  HSC76972  Arctostaphylos nevadensis K. T. Stillman 1976-6-25 46 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS82470  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC1190121  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC83022  Arctostaphylos nevadensis Dr. E. B. Copeland 1903-7-14 3520 Siskiyou Klamathon Comment
  UC909357  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou small bog on side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  SEINET11989670  Arctostaphylos nevadensis R. Raiche, Zadnik, K. 1982-1 20785 Siskiyou 11 mi WNW of Yreka at Deadwood Lookout 1707 Comment
  CAS-BOT-BC46459  Arctostaphylos patula Peter H. Raven 1956-9-5 10471 Siskiyou N. Fork of Sacramento River. 1371 Comment
  CAS-BOT-BC46482  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  CAS-BOT-BC46491  Arctostaphylos patula C. B. Wolf 1931-9-2 2394 Siskiyou 3 mi. above junction with Pacific Highway on the McCloud Road. 1158 Comment
  CAS-BOT-BC46494  Arctostaphylos patula John Thomas Howell 1937-7-23 13370 Siskiyou South Fork of the Salmon River near Big Flat. 1524 Comment
  HSC65285  Arctostaphylos patula Rich White 1978-7-6 255 Siskiyou Pond above Elk Hole 1524 Comment
  RSA238575  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou At n. end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA238584  Arctostaphylos patula Frederick W. Oettinger 1967-8-26 324 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC571216  Arctostaphylos patula Dorothy Tebbe 1929-7-6 27 Siskiyou near Etna Mills; Salmon Summit Comment
  CAS-BOT-BC46493  Arctostaphylos patula W. B. C. 1938-6-16 11016 Siskiyou Sisson Southern Trail. 1524 Comment
  SBBG5517  Arctostaphylos viscida subsp. viscida H. and M. Dearing 1939-6-3 3535 Siskiyou near Scott Bar 609 Comment
  CAS-BOT-BC47006  Arctostaphylos viscida subsp. viscida L. Toso Erna Mills 1922-4-20 s.n. Siskiyou Received at 8th California annual World Flower Show. Comment
  POM253575  Arenaria congesta var. crassula C. L. Hitchcock 1939-7-9 5324 Siskiyou 1/2 mile SE of King s Castle, Marble Mts. 1829 Comment
  UC454233  Arenaria congesta var. suffrutescens I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
  RSA47778  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  UCD56498  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou along US Hwy. 99, 1/2 mile south of Dunsmuir. 701 Comment
  HSC29302  Arnica amplexicaulis Frederick W. Oettinger 1968-9-1 648 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  POM360730  Arnica chamissonis N. C. Cooper 1948-6-16 5095 Siskiyou Margins of Grass Lake, a drying vernal lake north of Mount Shasta 1524 Comment
  RSA237480  Arnica cordifolia Frederick W. Oettinger 1969-7-16 1038 Siskiyou SSW of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CHSC95117  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  UCD129209  Arnica latifolia J. M. Tucker; L. K. Mann 1963-7-5 3701 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  RSA238810  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Below Tom's Lower Pond . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  POM30782  Arnica mollis var. scaberrima Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC90060  Arnica nevadensis Philip A. Munz 1952-7-2 17879 Siskiyou road to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1493 Comment
  UC609312  Arnica ovata Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake 2225 Comment
  UC1408803  Arnica viscosa Robert F. Thorne and Fred Oettinger 1969-8-10 39010 Siskiyou Mt. Shasta (s slope), above ski lodge Mt. Shasta National Forest, Mt. Shasta 2438 Comment
  CAS-BOT-BC84978  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-8 15167 Siskiyou Marble Mts., Black Mt. Comment
  JEPS93949  Artemisia cana subsp. bolanderi Vernon H. Oswald and Lowell Ahart 1998-9-16 9628 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  JEPS106483  Artemisia douglasiana J. K. Nelson 2004-8-29 2004 -95 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  HSC2271  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 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
  HSC34311  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1973-8-14 7324 Siskiyou West of Cliff Lake 2012 Comment
  CAS-BOT-BC90773  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area, N & NE & E side of Black Mtn. Comment
  JEPS37061  Artemisia tridentata W. L. Jepson 1940-6-23 20022 Siskiyou n of Mt. Shasta Andesite sta. 975 Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  HSC74910  Aruncus dioicus var. acuminatus J. P. Smith 1978-5-28 9956 Siskiyou Klamath National Forest, 7.6 mi. SE of Somes Bar on the road along the Salmon River Comment
  CHSC99975  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9492 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  RSA238012  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC153505  Asarum hartwegii Milo S. Baker 98 Siskiyou Sisson Comment
  SEINET10455161  Asclepias cordifolia LeRoy E. Detling 1947-6-4 Detling 6118 Siskiyou Slater butte. Klamath national forest. Pseudosuga taxifolia - quercus chrysolepsis - q. Kelloggii - arbutus menziesii - acer macrophyllum - pinus lambertiana. Comment
  SEINET10890228  Asclepias fascicularis Mark E. Fishbein, L. Greer 2006-8-4 Fishbein 5886 Siskiyou Along Hill Road, 0.5 mi S of Devil's Homestead, Lava Beds National Monument, about 3.75 mi NNW of Schonchin Butte 1285 Comment
  SD53385  Asclepias speciosa Darley F. Howe 1962-8-4 3393 Siskiyou Near summit of Baldy Mountain 1735 Comment
  SEINET3868735  Aspidotis densa David B. Dunn, Conrad; LeDoux 1973-6-3 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville.; 0 Comment
  CAS-BOT-BC69560  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Head of little Soda Ck., Sterling Mt., Siskiyou Mts. Mt. Diablo Mer. 1432 Comment
  RSA686372  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountain 1433 Comment
  UCD137299  Aspidotis densa Louise Kellogg 5-7 Aug 1953 103 Siskiyou Scott Mountains, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road); Cabin Meadow, 1 mile north of Cory Peak. 1844 Comment
  CHSC78494  Aster Vernon H. Oswald 2000-8-28 9961 Siskiyou Forest Road 17 2.5 mi west of its junction with Stewart Springs Road. 1377 Comment
  CAS-BOT-BC99230  Aster Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  UC163741  Astragalus accidens var. hendersonii Mrs. C. Quigley 1909-5-8 706 Siskiyou near Yreka (Klamath River); near Yreka, Klamath River Comment
  UC862503  Astragalus arrectus L. E. Smith 1913-7-1 Siskiyou Hilt Comment
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Jan 31 2013
  RSA94041  Astragalus curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2.5 miles n. of Gazelle. 838 Comment
  CAS-BOT-BC177861  Astragalus curvicarpus var. curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  CAS-BOT-BC177862  Astragalus curvicarpus var. curvicarpus Elmer I. Applegate 1935-6-5 9330 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  CAS-BOT-BC177864  Astragalus curvicarpus var. curvicarpus A. A. Heller 1905-6-19 8066 Siskiyou Grenada Station Comment
  RSA715776  Astragalus filipes L. Ahart 2005-6-10 12092 Siskiyou 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. 777 Comment
  HSC104142  Astragalus purshii var. lectulus Dana York 2011-8-13 3069 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  POM45520  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug Creek Comment
  UC862793  Astragalus whitneyi Alice Eastwood 1912-8-30 2006 Siskiyou Mount Eddy Comment
  HSC81752  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6190 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  CAS-BOT-BC105091  Asyneuma prenanthoides R. C. Wenk 2008-8-31 994 Siskiyou South Fork of Salmon River, trail from Big Flat Meadow to Yellow Rose Mine 1737 Comment
  CAS-BOT-BC68702  Athyrium alpestre var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  RSA237515  Athyrium filix-femina subsp. cyclosorum Frederick W. Oettinger 1967-8-21 315 Siskiyou Outlet stream of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA577149  Athyrium filix-femina subsp. cyclosorum L. C. Wheeler 1934-8-10 3094 Siskiyou Siskiyou Mountains, Jaynes Canyon 1372 Comment
  HSC69113  Athyrium filix-femina var. cyclosorum Maralyn A. Renner 1980-8-6 2309 Siskiyou Cracker Meadow 1555 Comment
  HSC23664  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along C.C.C. rd. near Horse Range Cr. 1280 Comment
  UC673287  Athysanus pusillus Lincoln Constance, Reed C. Rollins 1942-5-13 2916 Siskiyou Scott River 10 mi sw of Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  HSC4355  Atriplex rosea L. C. Wheeler 1934-10-21 3339 Siskiyou Shasta Valley, 8 mi. NE of Gazelle 869 Comment
  UCR64451  Atriplex rosea L. C. Wheeler 1934-10-21 03339 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  UC166161  Balsamorhiza Geo. D. Butler 1910-5-10 1337 Siskiyou Shasta Valley Comment
  UCD81185  Balsamorhiza hookeri Steve Orloff 2009-3-31 s. n. Siskiyou exact location unknown. Comment
  RSA30371  Balsamorhiza hookeri var. lagocephala Lincoln Constance, Reed C. Rollins 1942-5-14 s.n. Siskiyou 1 mile E of Yreka 762 Comment
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Apr 26 2007
  JEPS100203  Balsamorhiza sericea Dean W. Taylor 2002-6-10 18121 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  CAS-BOT-BC16689  Barbarea orthoceras Doris K. Kildale 1929-7-20 8700 Siskiyou Raspberry Lake. South Fork India[n] Creek. Comment
  HSC73354  Barbarea orthoceras Gail Newton 1980-6-20 446 Siskiyou Near Bald Mtn. 1097 Comment
  SBBG30532  Barbarea orthoceras D. Myrick 1968-6-24 1000 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  CDA3608  Barbarea vulgaris G. L. Fehlman 1960-5-3 4139 Siskiyou Spearin Ranch, Hornbrook. 0 Comment
  CAS-BOT-BC400051  Berberis Doris K. Kildale 1929-5-18 7728 Siskiyou Klamath River at Hornbrook Comment
  HSC31619  Berberis aquifolium var. repens Glenn McGourty 1974-5-25 54 Siskiyou 1402 Comment
  HSC65095  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6399 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC75937  Berberis piperiana C. Hart Merriam 1919-10-12 s.n. Siskiyou Scott Valley (near Etna). Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC75944  Berberis piperiana Mrs. H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mount Eddy. 11 miles northwest of Mount Shasta City. About 2 miles east of Burney Mill. 1127 Comment
  UC1001148  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou Low hillsides on Quartz Valley (Mill Creek) 883 Comment
  CAS-BOT-BC169482  Betula occidentalis L. E. Smith 1913-3-28 617 Siskiyou Weed Comment
  HSC68580  Betula occidentalis Maralyn A. Renner 1980-6-23 972 Siskiyou W Fork Seiad Creek 878 Comment
  UCR51790  Bidens cernua L. C. Wheeler 1934-10-21 03337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  CAS-BOT-BC413073  Bistorta bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  HSC69182  Bistorta bistortoides Maralyn A. Renner 1980-8-31 2638 Siskiyou Twin Valley. 1494 Comment
  HSC76736  Bistorta bistortoides K. T. Stillman 1976-7-14 236 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  CAS-BOT-BC15790  Boechera acutina John Thomas Howell 1937-7-24 13418 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC15927  Boechera arcuata Reed Rollins 1938-6-17 11051 Siskiyou Mount Shasta. Sisson Southern Trail 1371 Comment
  UCD114359  Boechera breweri R. E. Preston 1982-5-1 277 Siskiyou 0.6 mi NW of where Camp Creek enters Irongate Reservoir. 853 Comment
  UC1409351  Boechera platysperma Frederick W. Oettinger 1969-9-4 1636 Siskiyou peak just e Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  CAS-BOT-BC25422  Boechera retrofracta L. E. Smith 1913-6-12 s.n. Siskiyou Road between Sisson and Castle Lake. Comment
  CAS-BOT-BC25622  Boechera retrofracta C. L. Hitchcock; J. S. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1828 Comment
  SEINET3166094  Boechera rollei P. J. Alexander 2008-7-24 871 -A, B Siskiyou Below the Pacific Crest Trail on the W side of Lilypad Lake, +-0.55 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1768 Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  UC1045263  Boechera sparsiflora Reed Rollins 1940-7-26 15365 Siskiyou Diller Canyon Mount Shasta 1828 Comment
  CAS-BOT-BC25872  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2931 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  UC662434  Botrychium pumicola W. Bridge Cooke 1941-8-21 16223 Siskiyou basin near the spur on S bank of Diller Canyon, W side of Shastina Mount Shasta 2751 Comment
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Jul 3 2007
  HSC297  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin 1982 Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  RSA238309  Boykinia major Frederick W. Oettinger 1967-7-30 215 Siskiyou About 300 yrds up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC100470  Brickellia californica Carl B. Wolf 1927-8-26 1005 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  SEINET8399968  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  UCD58305  Bromus carinatus L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-Eye Lake. Comment
  CHSC61558  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 604 Siskiyou Siskiyou Mountains; at Poker Flat. Along the road on the north side of the meadow. 1524 Comment
  UC164918  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills Comment
  HSC65264  Bromus diandrus J. P. Smith 1973-5-5 6397 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  CDA15578  Bromus japonicus G. F. Hrusa 1998-7-5 14685 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Gravelly, +- compacted pullout along side rd. Dense colony, not seen elsewhere in local area. Annual. Comment
  CHSC88408  Bromus japonicus Jenny Marr 1993-7-1 167 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC91358  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12009 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS80603  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains Wilderness Area, Marble Valley Marble Valley; Marble Mountains Wilderness Area, Marble Valley 1798 Comment
  CHSC91335  Bromus tectorum Lowell Ahart; John Dittes 2005-6-9 12010 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC30543  Bromus tectorum Frederick W. Oettinger 1969-8-18 1432 Siskiyou Marble Mtn. Wilderness Area, NE of Horse Range Lake 1860 Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  CAS-BOT-BC185254  Calamagrostis koelerioides Ira L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC185255  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek. 1371 Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  CAS-BOT-BC185264  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  CAS-BOT-BC185265  Calamagrostis koelerioides Doris K. Kildale 1929-7-20 8587 Siskiyou Southeast spur of Preston Peak. 1950 Comment
  CAS-BOT-BC185266  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon Trinity Alps. 2286 Comment
  HSC245  Calamagrostis koelerioides William J. Ferlatte 1966-8-4 315 Siskiyou Yellow Rose Mine 1982 Comment
  HSC69547  Calamagrostis koelerioides Maralyn A. Renner 1980-8-4 2235 Siskiyou Ridge near FS Rd. 15N01, about 1 mi. N of Flint Valley 1494 Comment
  RSA758079  Calamagrostis koelerioides Barbara Ertter 1990-7-14 9305 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UCD57320  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  UC1495303  Calamagrostis purpurascens Robert T. Clausen and Harold Trapido 1940-7-27 4972 Siskiyou w side of creek about 4 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2133 Comment
  HSC44233  Callitropsis nootkatensis A. Borden 1976-10-6 Siskiyou Elk Hole S edge 1506 Comment
  HSC61966  Callitropsis nootkatensis Al Hobart 1961-7-20 Siskiyou Preston Peak 2134 Comment
  CAS-BOT-BC85740  Calocedrus decurrens L. B. Kildale 1930-6-1 9838 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC85775  Calocedrus decurrens C. B. Wolf; E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds, 14.3 mi. E. of Fall River on rd. from Dana to Little Hot Springs Valley 1219 Comment
  JEPS80595  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow Marble Mt. Wilderness, Marble Valley Meadow 1792 Comment
  UC454377  Calocedrus decurrens I. J. Condit 1909-8-25 Siskiyou Sisson Comment
  JEPS17831  Calochortus coeruleus Joseph P. Tracy 1935-4-4 14524 Siskiyou 5 mi e Mary Blaine Mt. (Snow Prairie at summit of ridge, extreme head of Plummer Creek); Snow Prairie, Plummer Creek 1859 Comment
  CAS-BOT-BC488607  Calochortus elegans var. nanus Alice Eastwood 1923-5-20 11856 Siskiyou Shasta Springs Comment
  CDA39291  Calochortus elegans var. nanus D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  CAS-BOT-BC26265  Calochortus elegans var. oreophilus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  CAS-BOT-BC132419  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou Meadow at Tom Young Flat ca. 2 mi. NW of Pondosa 1292 Comment
  CAS-BOT-BC483440  Calochortus macrocarpus Peter H. Raven 1956-8-11 10067 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 97 Comment
  CAS-BOT-BC494022  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  UC337923  Calochortus tolmiei unknown Siskiyou near Shasta Comment
  CAS-BOT-BC494019  Calochortus tolmiei Clarence Quick 1959-6-19 59 -09 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC494021  Calochortus tolmiei Doris K. Kildale 1928-4-14 4596 Siskiyou Klamath River at Somes Bar Comment
  CAS-BOT-BC181507  Caltha leptosepala L. E. Smith 1913-9-1 556 Siskiyou Mt. Eddy Comment
  CHSC1436  Caltha leptosepala var. biflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  HSC31620  Calypso bulbosa Gleen McGourty 1974-5-25 53 Siskiyou Near junction of Road 8 and French Creek Rd. 1280 Comment
  SBBG15882  Calyptridium monospermum D. Myrick 1961-6-21 309 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 Comment
  SBBG30590  Calyptridium monospermum D. Myrick 1968-6-24 2004 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  HSC64931  Calyptridium monospermum D. L. Goforth 1979-7-7 233 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  HSC77032  Calyptridium monospermum K. T. Stillman 1976-6-17 12 Siskiyou Marble Mtn. Wilderness Area, head of Elk Valley 1768 Comment
  SD53343  Calyptridium umbellatum Darley F. Howe 1962-8-6 3410 Siskiyou Mt. Shasta 2440 Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
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Sep 19 2006
  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
  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
  POM109509  Camassia quamash subsp. breviflora Geo D. Butler 1909-6-22 891 Siskiyou Goose nest meadows 1524 Comment
  JEPS53275  Camelina microcarpa W. C. Blasdale 1894-7-28 Siskiyou Sisson Comment
  HSC64821  Camelina microcarpa J. P. Smith 1976-5-4 8662 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  SEINET10462858  Campanula prenanthoides Butler 1971-8-11 BUTLER 297 Siskiyou NEAR EL CAPITAN LAKE, PRESON PEAK QUAD. NR CAVE JCT 5200 Comment
  SEINET3142707  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  UC334033  Campanula prenanthoides unknown Sept. 1883 Siskiyou near Shasta Comment
  SEINET10463022  Campanula prenanthoides Wolf 1927-8-26 WOLF 1064 Siskiyou KLAMATH R., 8 MI ABOVE HAMBURG 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
  SEINET10463362  Campanula prenanthoides Alice Eastwood 1921-7-25 Eastwood 10842 Siskiyou Bigelows, on the McCloud R. Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  UCD77450  Campanula scabrella Robert E. Preston 2001-7-21 1743 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  POM59302  Campanula scouleri W. A. Setchell 1902-7-26 13688 Siskiyou Mt. Shasta. Sisson. Comment
  UC61194  Campanula scouleri W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson Mount Shasta Comment
  SEINET10463789  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC266457  Campanula wilkinsiana Allen Barbour 1961-8-1 s.n. Siskiyou Near Upper Caribou Lake, Trinity Alps Comment
  CAS-BOT-BC266467  Campanula wilkinsiana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta Comment
  SEINET10463875  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou West slope of Mount Shasta, on Ash Creek Comment
  SEINET10972121  Campanula wilkinsiana Dress 1951-8-14 DRESS 3722 Siskiyou FOrming mats in short grass at edge of small spring on rocky slope on southwest side of Mt. Shasta. 2530 Comment
  CDA24745  Capsella bursa-pastoris G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2580 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  CAS-BOT-BC37312  Cardamine breweri Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  HSC68405  Cardamine californica Maralyn A. Renner 1980-6-26 1134 Siskiyou Flint Valley. 1390 Comment
  UC375296  Cardamine californica Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  UC826284  Carex Frank W. Gould 1940-5-14 1228 Siskiyou Bull Meadows Goosenet Mountains 1524 Comment
  UCSB23752  Carex D. Breedlove 1962-6-10 3321 Siskiyou N BANK OF KLAMATH RIVER (AT ITS JUNCTION WITH GOFF CREEK; 4.5 MI W OF SCIAD) 411 Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC19764  Carex abrupta John Thomas Howell 1939-8-1 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19768  Carex abrupta John Thomas Howell 1937-7-24 13428 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  UC1265325  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou on w shore of Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  SEINET7484119 Image available Carex abrupta Ray Tallent 1987-1 911 Siskiyou Klamath National Forest; Trail to Long Gulch Lake 1820 Comment
  NY25627  Carex amplectens W. B. Cooke 1940-1 15123 Siskiyou Mount Shasta City 1082.0 Comment
  CAS-BOT-BC17857  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC79089  Carex aquatilis var. dives L. P. Janeway 1983-8-16 552 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  CAS-BOT-BC64987  Carex atherodes Peter F. Zika 2009-8-16 24601 Siskiyou On north side of route 97, 0.4 road miles ENE of Grass Lake Rest Area 1540 Comment
  CAS-BOT-BC18124  Carex athrostachya William Bridge Cooke 1940-6-8 15124 Siskiyou In Mount Shasta City. 1082 Comment
  JEPS25656  Carex bolanderi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7299 Siskiyou 4 air0line mi nne Preston Peak (just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  JEPS125994  Carex buxbaumii D. W. Taylor, G. Clifton 1996-7-27 15856 Siskiyou Shasta-Trinity National Forest; Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  SEINET7556603 Image available Carex deflexa var. boottii Unknown 1969-8-6 1227 Siskiyou Salmon Mountains The high lake basins in the vicinity of English Peak Marble Mountains Wilderness Area. Southwest of Pine Lake. 1905 Comment
  JEPS84180  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  CAS-BOT-BC20130  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  SEINET7559377 Image available Carex fracta Frederick W. Oettinger 1968-8-5 729 Siskiyou Salmon Mountains. Springy area 2/3's of the way up the English Lake-Diamond Lake Trail. Comment
  JEPS100914  Carex gigas Dean W. Taylor 1988-7-9 9950 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  CAS-BOT-BC28083  Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC28084  Carex hoodii John Thomas Howell 1939-8-2 14936 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET7562360 Image available Carex infirminervia Ray Tallent 1987-8-12 901 Siskiyou Klamath National Forest, Long Gulch Lake, SE end of lake. 1945 Comment
  POM254203  Carex integra J. T. Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC29640  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, near Upper English Lake 1677 Comment
  HSC166  Carex interior William J. Ferlatte 1966-8-2 236 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  UC1576760  Carex jonesii Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9025 Siskiyou Paynes Springs Upper Modoc Plateau, Medicine Lake highland 2011 Comment
  RSA237328  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. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  CAS-BOT-BC31437  Carex leporinella John Thomas Howell 1939-8-8 15155 Siskiyou Black Mt. Marble Mts. Comment
  JEPS101102  Carex luzulifolia Dean W. Taylor 1996-7-25 15840 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  HSC39300  Carex luzulina J. O. Sawyer 1969-7-18 1417 Siskiyou Head of S Russian Creek 1829 Comment
  HSC103368  Carex luzulina Thomas W. Nelson, Jane Nelson 1984-7-28 7707 Siskiyou Along west side of Gumboot Lake 1860 Comment
  HSC29653  Carex luzulina Frederick W. Oettinger 1968-8-3 374 Siskiyou Marble Mtns. Wilderness Area, Diamond Lake 1829 Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  CAS-BOT-BC31602  Carex luzulina var. ablata Wayne E. Rolle 1993-7-10 630 Siskiyou Poker Flat. 1524 Comment
  HSC39081  Carex mendocinensis D. H. Norris 1970-5-23 12235 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CAS-BOT-BC31837  Carex microptera John Thomas Howell 1937-7-22 13252 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC107137  Carex microptera R. E. Brainerd 2009-7-22 1550 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  UCD77461  Carex multicaulis Robert E. Preston 2001-6-23 1547 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  SEINET8275892  Carex multicaulis Elmer I. Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley, Siskiyou County, California Comment
  CAS-BOT-BC32277  Carex multicostata John Thomas Howell 1939-8-8 15149 A Siskiyou Black Mt. Comment
  HSC33316  Carex multicostata William J. Ferlatte 1974-7-14 1524 Siskiyou Big Flat, near South Fork of Salmon River, campground 1524 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley Comment
  CHSC99473  Carex nebrascensis Barbara L. Wilson; Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  SEINET7568685 Image available Carex nebrascensis Barbara L. Wilson, Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  HSC77270  Carex nebrascensis L. P. Janeway 1983-7-2 354 Siskiyou NW side of Klamath River and below Happy Camp 335 Comment
  UC618742  Carex nervina J. W. Stacey 1938-7-15 11255 Siskiyou Wagon Camp Mount Shasta Comment
  JEPS25578  Carex nigricans Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7205 Siskiyou Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  CHSC69840  Carex nudata Lawrence Janeway 1982-8-14 131 Siskiyou Along n shore of Klamath R. 426 Comment
  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
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  CAS-BOT-BC118933  Carex pellita Lewis Samuel Rose 1937-7-3 37399 Siskiyou Weed. 944 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC118607  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou In the meadow at Medicine Lake 2133 Comment
  HSC69103  Carex rostrata Maralyn A. Renner 1980-8-4 2227 Siskiyou Flint Valley 1390 Comment
  HSC85841  Carex rostrata L. P. Janeway 1983-8-16 551 Siskiyou Poker Flat 1524 Comment
  UCD140807  Carex scabriuscula J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2763 Siskiyou north of Trinity Center, south side of Trinity River, west of Highway 3, 0.4 mile north of Coffee Creek Road. 733 Comment
  SEINET3908064  Carex scopulorum K. Morris, Conrad; Dunn 1973-6-2 346 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263.; 0 Comment
  CAS-BOT-BC118223  Carex scopulorum var. bracteosa J. W. Stacey 1939-7-7 13616 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  CAS-BOT-BC117690  Carex simulata W. R. Dudley 1893-6-21 s.n. Siskiyou In Peter Klink's Meadow, Sisson Comment
  HSC39291  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  HSC39814  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  UC1147787  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC30523  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Marble Mtn. Wilderness Area, on trail SE of Tom's Lake 2012 Comment
  RSA238924  Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Above pond north of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA238926  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Trail southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA238959  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1178 Siskiyou Wet meadow between Tobacco Lake and Mud Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7575752 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  RSA186338  Carex straminiformis Gilbert Muth 1966-10-16 21 Siskiyou Marble Mountains 1793 Comment
  SEINET10749867  Carex straminiformis A. Arthur Heller 1916-7-20 Heller 12468 Siskiyou Near Eagon Creek Falls, east side of Mt. Eddy in the yellow pine belt, the common shrubs Ceanothus, Uvva-ursi and Pasania, 1524 Comment
  SEINET7577203 Image available Carex subfusca Unknown 2003-6-17 10946 Siskiyou 5.5 miles toward Cecilville on the 1C02 road, at intersection with Shasta-Trinity National Forest road 41N14. 1097 Comment
  CHSC40130  Carex utriculata L. P. Janeway 1982-7-2 38 Siskiyou At Poker Flat. At bottom of break between upper and lower portions of meadow. 1524 Comment
  HSC30550  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Marble Mtn. Wilderness Area, N shoreline of Horse Range Lake 1822 Comment
  HSC76836  Carex vesicaria L. P. Janeway 1982-8-13 128 Siskiyou N side of Bear Lake 1814 Comment
  CAS-BOT-BC249374  Castilleja applegatei K. L. Chambers 1967-6-22 2866 Siskiyou Siskiyou Mountains. About 500 ft. above and east of the freeway (Hwy. 5) at Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC249375  Castilleja applegatei Elmer I. Applegate 1936-7-3 10499 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  HSC76985  Castilleja applegatei subsp. martinii K. T. Stillman 1976-6-25 65 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC241135  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC241136  Castilleja applegatei subsp. pinetorum L. E. Smith 1913-6-29 436 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC241141  Castilleja applegatei subsp. pinetorum J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  CAS-BOT-BC241145  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-14 8265 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  CAS-BOT-BC241146  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-7-17 1185 Siskiyou Sisson Comment
  HSC103045  Castilleja applegatei subsp. pinetorum J. P. Smith 2014-6-7 13903 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  HSC20503  Castilleja applegatei subsp. pinetorum R. C. Wunner 1965-6-7 109 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  HSC82256  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6176 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS26516  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-7-1 1821 Siskiyou White Mountain, e slope, just below peak White Mountain Comment
  JEPS83995  Castilleja applegatei subsp. pinetorum L. R. Heckard 1986-7-16 6406 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon); Hell's Canyon 1750 Comment
  RSA296405  Castilleja applegatei subsp. pinetorum Lincoln Constance, R. C. Bacigalupi, Joseph P. Tracy 1951-6-16 3452 Siskiyou Along trail ascending Little Grayback from the summit of the Takilma-Happy Camp road. Siskiyou-Del Norte Co. boundary. 1707 Comment
  UC164435  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain; foothills Comment
  CAS-BOT-BC241144  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1936-5-20 1422 Siskiyou N. slope Scott Mt. 1219 Comment
  HSC19027  Castilleja arachnoidea J. O. Sawyer 1969-6-13 1091 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC97800  Castilleja arachnoidea Thomas W. Nelson, Shauna Hee 2006-8-4 9475 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  JEPS6841  Castilleja arachnoidea H. A. Thomas and J. H. Thomas 1954-7-24 4481 Siskiyou about 9 mi e Cecilville (vicinity of Rush Lake and Rush Creek Meadow); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  UC1190242  Castilleja arachnoidea Ira L. Wiggins 1955-7-27 13557 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC705755  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-4 2190 Siskiyou ridge above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  JEPS13483  Castilleja arachnoidea Douglas Barbe 1955-7-26 290 Siskiyou nw shoulder Scott Mountain; Klamath Mountains, Scott Mountain 2011 Comment
  HSC45204  Castilleja hispida subsp. brevilobata J. O. Sawyer, E. Cope 1977-6-20 2975 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC89867  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou Big Bear Flat, 5 mi. SE of Bartle 1220 Comment
  UC454803  Castilleja lacera I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  RSA104156  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou Laird's Ranch, south end of Lower Klamath Lake. Comment
  CAS-BOT-BC253618  Castilleja miniata Doris K. Kildale 1928-8-19 6579 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC68664  Castilleja miniata Maralyn A. Renner 1980-6-25 1128 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  JEPS84014  Castilleja miniata L. R. Heckard with J. Hickman et al. 1986-7-17 6509 Siskiyou n slope Condrey Mt. 1960 Comment
  RSA143625  Castilleja miniata P. A. Munz 1960-8-22 24178 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  RSA43901  Castilleja miniata H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CHSC1725  Castilleja pruinosa M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC72442  Castilleja pruinosa J. P. Smith, Steve Selva 1970-7-15 4363 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  JEPS94894  Castilleja pruinosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9189 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation, Highway 97 1066 Comment
  SEINET13737296  Castilleja schizotricha G. D. Butler 1910-7-9 1711 Siskiyou Wooley Creek. 1676 Comment
  SD42406  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento river Canyon, 1 mi. below Dunsmuir 671 Comment
  SBBG83931  Ceanothus sanguineus R. Gankin, R. Hildreth 1967-10-27 1182 Siskiyou 2.6 Rd mi from Lafayette Pt on USFS Rd 39N04 off Black Bear Rd between Sawyers Bar and Cecilville 1706 Comment
  HSC100187  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-9-3 13405 Siskiyou Along Hundrey Creek-Hilt Road (Klamath National Forest Service Road 11). 1111 Comment
  JEPS89110  Ceanothus velutinus W. L. Jepson 1940-6-23 20018 Siskiyou 1 mi s Andesite (n of Mt. Shasta) 975 Comment
  RSA238033  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou East side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SDSU10416  Ceanothus velutinus D. F. Howe 1977-7-5 4999 Siskiyou Area N of Mt. Shasta. 1433 Comment
  UC1071459  Ceanothus velutinus H. A. Jensen 1933-9-25 355 Siskiyou Spring Hill Dunsmuir Quad. 1188 Comment
  UC618734  Ceanothus velutinus W. Bridge Cooke 1938-6-24 11104 Siskiyou Diller Canyon Mount Shasta, Shasta Fir Forest, Sisson Southern Trail (in the Shasta Fir Forest, Sisson Southern Trail) Comment
  RSA190692  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou 3 roadside plants, W side of Hwy 97 to weed, 3 miles S of Macdoel, Butte Valley Comment
  UC1586856  Cerastium arvense Juha Pykala and D. H. Norris 1987-6-26 2006 Siskiyou n. of Sulphur Springs (between Doolittle Creek and Stanza Creek - eastern tributaries of Elk Creek); Klamath Nat'l Forest 1400 Comment
  RSA157735  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou B. M. Long prop., Little Shasta Rd., 5 miles E of Montague. Comment
  UCD98015  Cerastium tomentosum M. V. Maxwell 1958-6-10 s.n. Siskiyou Yreka. Comment
  SEINET10907015  Cercis occidentalis LeRoy E. Detling 1947-6-2 Detling 6043 Siskiyou 1 mi. west of Hamburg. T46N R11W S26 427 Comment
  UC375377  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River, near the mouth Shasta River Comment
  RSA120777  Cercocarpus ledifolius G. D. Barbe 1955-7-29 315 Siskiyou below a serpentine outcropping on a Knott NW of Scott Mtn. 1738 Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  SEINET6332023  Cercocarpus ledifolius var. intermontanus G. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CAS-BOT-BC148512  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  CAS-BOT-BC148529  Cercocarpus ledifolius var. ledifolius Ira L. Wiggins 1950-5-28 12377 Siskiyou Serpentine ridge just above Grouse Lake, headwaters of Grouse Creek 1828 Comment
  CAS-BOT-BC148531  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CAS-BOT-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  JEPS50483  Chaenactis douglasii var. douglasii Al Hobart 1967-7-1 Siskiyou above Youngs Valley; Siskiyou Mountains, westermost Siskiyou County 1584 Comment
  JEPS94397  Chaenactis douglasii var. douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8769 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  CAS-BOT-BC106031  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake a short distance from Castle Crags. Near the source of the Sacramento River 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
  CAS-BOT-BC106035  Chaenactis suffrutescens T. S. Brandegee 1887-6-1 s.n. Siskiyou Edgewood Comment
  CAS-BOT-BC106036  Chaenactis suffrutescens Brandegee 1889-6-1 s.n. Siskiyou Edgewoods Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC106044  Chaenactis suffrutescens Louis C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley 883 Comment
  CAS-BOT-BC106045  Chaenactis suffrutescens Joy D. Mastrogiuseppe 1974-9-2 177 Siskiyou Ridge of Red rock Mountain 2255 Comment
  JEPS81881  Chaenactis suffrutescens Roger Raiche 1982-7-6 20556 Siskiyou near Fort Jones 822 Comment
  SD60215  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake, a short distance form Castle Crags in the yellow pine belt Comment
  SEINET515846  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
  SEINET10483290  Chamaebatiaria millefolium Mary Susan Taylor 1980-8-19 Taylor 3267 B Siskiyou T43N R1E nw sec 19, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice/ obsidian outcrops, SE side of Little Glass Mountain. With J. Prouty & E. Heinz. 1951 Comment
  UC164022  Chamaesyce maculata Geo. D. Butler 1908-7-16 444 Siskiyou Klamath Rim Comment
  JEPS52362  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou near Yreka; McNulty Ranch Comment
Read comments
May 7 2008
  JEPS80569  Chamerion angustifolium subsp. circumvagum Gilbert Muth 1965-8-4 164 Siskiyou near the Marble; Marble Mt. Wilderness Area 1792 Comment
  UC618797  Chamerion angustifolium subsp. circumvagum W. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  CAS-BOT-BC68213  Cheilanthes gracillima H. M. Hall 1909-7-28 8674 Siskiyou Head of Salmon River 1645 Comment
  CAS-BOT-BC68214  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains - Head Jaynes Canyon - Mt. Diablo Mer. 2072 Comment
  HSC19021  Cheilanthes gracillima J. O. Sawyer 1969-7-10 1290 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC99982  Cheilanthes gracillima Thomas W. Nelson, & Sydney Carothers 2005-7-17 9390 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  RSA13709  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyon, Siskiyou Mountains 2073 Comment
  HSC59894  Chenopodium chenopodioides R. & G. Pederson 1979-10-10 100 Siskiyou Lower Klamath National Wildlife Refuge, S unit 6 Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  CHSC9504  Chimaphila menziesii J. F. Goodwin 1971-7-3 141 Siskiyou 50 ft. south of road under firs, with orchids and ferns, 8.5 mi. south of Mt. Shasta Ski Bowl area. 1493 Comment
  UCD77531  Chimaphila menziesii Robert E. Preston 2001-6-23 1550 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC452258  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC452268  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  HSC40202  Chimaphila umbellata Jerry Parker 1968-10-6 132 Siskiyou Salmon Mtns., above Little Duck Lake Comment
  HSC68473  Chimaphila umbellata Maralyn A. Renner 1980-6-26 1223 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS25844  Chimaphila umbellata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7469 Siskiyou ca. 2 mi. n.e. Twin Valley, Siskiyou Mt. (along jeep-road to Twin Valley from Poker Flat, ca. 13 mi. n.w. of Happy Camp) 1584 Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC39661  Chorispora tenella John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53374 Siskiyou 2 miles south of Grenada, Shasta Valley. 762 Comment
  RSA697616  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  HSC29620  Chrysolepis chrysophylla var. minor Frederick W. Oettinger 1969-7-29 1097 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; On ridge just S above Uncles Lake near inlet stream 1890 Comment
  UC847773  Chrysolepis sempervirens Lewis S. Rose 1937-7-25 37594 Siskiyou Mt. Shasta City 1158 Comment
  SD73144  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1969-8-31 Siskiyou 4.5 miles north of Weed on Highway 97. 1035 Comment
  CDA38293  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  SD9199  Cicuta douglasii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  RSA239060  Cinna latifolia Frederick W. Oettinger 1969-8-25 1546 Siskiyou Moist meadow west of Arrow Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CDA15530  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  HSC95469  Circaea alpina subsp. pacifica G. Fred Hrusa 1998-7-5 14698 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Comment
  RSA0070600  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  RSA0070601  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  CDA1189  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
  CDA39081  Cirsium cymosum Jodi Aceves 2013-5-23 PDR# 470 P06027599 Siskiyou Near Hornbrook, on upland banks of the Klamath River near Klamath River County Estates and R-Ranch Campground. 0 Comment
  CHSC114379  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-20 PDR 1466465 Siskiyou Copco Lake, Ager Beswick Road. Comment
  UC165436  Cirsium cymosum var. cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Yreka Comment
  JEPS59123  Cirsium douglasii var. breweri Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou meadows at Sissons Region of the Upper Sacramento, Strawberry Valley, Sissons Comment
  CAS-BOT-BC279892  Cirsium douglasii var. breweri R. Ornduff; J. R. Swanson 1960-7-27 6271 Siskiyou About one mile north of Trinity County line on road from Scott Mountain to Trinity Center Comment
  RSA0070614  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  CDA1275  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -B Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  CDA1578  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CAS-BOT-BC228970  Cistanthe umbellata Doris K. Kildale 1929-7-20 8594 Siskiyou East spur of Preston Peak above Rockefeller Lake 1981 Comment
  CAS-BOT-BC228988  Cistanthe umbellata Mrs. H. P. Bracelin 1931-6-21 454 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  CAS-BOT-BC163457  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River between Forks of Salmon & Somes Bar Comment
  POM46297  Clarkia rhomboidea Geo. D. Butler 1900-5-30 1436 Siskiyou Near Hawkinsville Comment
  RSA0080498  Claytonia lanceolata P. A. Munz 1952-7-2 17908 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  POM101992  Claytonia parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou Near Yreka. Comment
  UC163721  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou near Oro Fino Comment
  UC7888  Claytonia parviflora subsp. parviflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD100771  Claytonia perfoliata subsp. intermontana P. Quentin Tomich 1954-6-29 434 Siskiyou At mouth of cave. Caldwell Caves, Lava Beds National Monument. 1402 Comment
  CAS-BOT-BC443825  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  HSC41078  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-3 2053 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  HSC44889  Claytonia rubra subsp. rubra Maralyn O'Meara 1974-5-25 405 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC443821  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  CAS-BOT-BC443824  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou Between/near Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC443826  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Old Mining Dump, Oro Fino Comment
  HSC17712  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 70 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  HSC22228  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 994 Siskiyou Above Paynes Lake Creek 1951 Comment
  JEPS43311  Claytonia sibirica Willis L. Jepson Jul 1894 14872 Siskiyou Sisson; Mt. Shasta Region Comment
  UCR66723  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou Upper waters of Coffee Creek, Trinity Alps 1463 Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  CDA25287  Cleome platycarpa J. R. Grisham 1961-7-14 Siskiyou Elsea property, Montague. 0 Comment
  HSC61810  Clintonia uniflora Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA68875  Clintonia uniflora A. E. Culbertson 1943-7-1 81 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  RSA78293  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  SEINET8472238  Clintonia uniflora W. Roderick 1967-7-22 s.n. Siskiyou N of Happy Camp on road to O'Brien. 1219 Comment
  UC138811  Collinsia linearis A. A. Heller 1905-6-1 7946 Siskiyou Shasta Retreat Comment
  POM258052  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  UC1001180  Collinsia linearis Dorothy Parker 1953-5-24 537 Siskiyou Siskiyou Mountains, Scott River Scott River; Siskiyou Mountains, Scott River 687 Comment
  UC1409408  Collinsia linearis Frederick W. Oettinger 1968-9-9 794 Siskiyou ne of Tom's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); High Lake Basins, Marble Mtn Wilderness Area, Salmon Mts 1828 Comment
  CHSC88111  Collinsia parviflora Jenny Marr 1993-7-1 121 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS23293  Collinsia parviflora Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7266 Siskiyou Poker Flat 1536 Comment
  UC618897  Collinsia parviflora W. Bridge Cooke 1938-7-1 11129 Siskiyou below Wagon Camp (Mount Shasta); Mount Shasta 1676 Comment
  UC164260  Collinsia rattanii Geo. D. Butler 1911-7-9 758 Siskiyou Humbug Road between Yreka and Humbug; Humbug Road Comment
  UC609353  Collinsia torreyi var. latifolia Eleanor Burks Hart 1938-8-20 945 Siskiyou slope above Big Meadow 2225 Comment
  UC455465  Collomia grandiflora I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  CAS-BOT-BC94906  Collomia grandiflora R. C. Wenk 2005-7-15 225 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  UCD118134  Collomia grandiflora Charlotte Glenn 1967-6-20 114 Siskiyou Klamath River Basin near Seiad Valley. 609 Comment
  POM208267  Collomia heterophylla L. C. Wheeler 1934-7-6 2889 Siskiyou Siskiyou Mountains: Hungry Creek. 1371 Comment
  UC133731  Collomia tinctoria Katharine Brandegee July 1887 Siskiyou Sissons Comment
  UC1409299  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou side of English Lake Trail above Willow Spring (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area Comment
  HSC90215  Collomia tinctoria Michael P. Murray Jul 1991 3 Siskiyou Marble Mtn. Wilderness Area, E facing slope of Elk Valley 1890 Comment
  HSC19041  Corallorhiza maculata J. O. Sawyer 1969-7-25 1554 Siskiyou SW facing slope S of High Lake 2149 Comment
  RSA184810  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley, Marble Mountains 1793 Comment
  HSC74929  Corallorhiza mertensiana J. P. Smith, Jennifer Whipple 1978-7-2 9976 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 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
  HSC60674  Cornus canadensis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  RSA105468  Cornus glabrata Milo S. Baker 1955-6-27 13090 Siskiyou Road Gazelle to Callahan. Comment
Read comments
Oct 9 2014
  CDA9701  Cornus nuttallii D. G. Kelch 2007-7-25 7 .501 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  JEPS50158  Cornus nuttallii W. L. Jepson July 1894 14140 Siskiyou Sisson Comment
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SD76143  Cornus nuttallii Helen V. Witham 1969-10-7 588 Siskiyou 3.0 miles south of Scott's Bar. 500 Comment
  CAS-BOT-BC210389  Cornus sericea Annie M. Alexander; Louise Kellogg 1948-9-6 5586 Siskiyou Siskiyou Mountains. At Matthews Creek, South Fork Salmon River Comment
  JEPS24620  Cornus sericea subsp. sericea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6773 Siskiyou directly opposite Mossbrae Falls between Shasta Retreat and Shasta Springs (on bank of Sacramento R.); Sacramento R. 731 Comment
  UC1280732  Cornus sericea subsp. sericea H. E. McMinn 1931-6-27 2513 Siskiyou Mt. Shasta City Comment
  HSC101717  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13271 Siskiyou Along Sugar Creek Rd., 1.8 mi. E of Hwy. 3. 968 Comment
  HSC60816  Crepis acuminata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC290477  Crepis acuminata G. L. Stebbins, Jr.; E. B. Babcock 1936-6-12 1968 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  CHSC86668  Crepis monticola Jenny Marr 1993-7-1 51 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM33149  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Mountain. 1220 Comment
  UC165408  Crepis occidentalis Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  UC581200  Crepis occidentalis E. B. Babcock and G. L. Stebbins 1936-6-11 1901 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  SEINET11835673  Crepis occidentalis H. P. Chandler 1901-1 1644 Siskiyou North Coast Ranges, Marble Mountain Comment
  UC581300  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2441 Siskiyou stream bank 2 1/2 mi ne Fort Jones (along hwy to Yreka) 850 Comment
  HSC24116  Crepis occidentalis subsp. conjuncta J. O. Sawyer 1971-7-2 2402 Siskiyou S of Sawtooth Mtn. 1677 Comment
  HSC36780  Crepis occidentalis subsp. pumila J. P. Smith 1974-5-25 7409 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 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
  HSC475  Crepis pleurocarpa William J. Ferlatte 1966-8-4 300 Siskiyou Yellow Rose Mine 1982 Comment
  UC1282027  Crepis pleurocarpa Louise Kellogg Aug 8 1953-Aug 9 1953 126 Siskiyou Blue Point Scott Mountains, Klamath National Forest (near Scott Mountain Public Campground) 1630 Comment
  UC1934614  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 653 Comment
  HSC103628  Crepis pleurocarpa Thomas W. Nelson, Jane Nelson 1985-6-19 7842 Siskiyou Along south side of State Route 3, 3.1 mi. N of Scott Mountain Summit. 1524 Comment
  SEINET7838868 Image available Crepis pleurocarpa H. M. Hall, E. B. Babcock 4024 Siskiyou Upper Sacramento River near Chromite 457 Comment
  CAS-BOT-BC299729  Crocidium Douglas Horn 1938-4-17 35 Siskiyou East of Etna 1066 Comment
  CAS-BOT-BC299731  Crocidium Doris K. Kildale 1929-5-1 7834 Siskiyou Callahan Comment
  UC566630  Crocidium multicaule Dorothy Tebbe 1930-3-28 43 Siskiyou Weed Comment
  JEPS24803  Crypsis schoenoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6812 Siskiyou about 3 mi nw Weed (head of Valley); Shasta Valley 975 Comment
  HSC696  Cryptantha affinis William J. Ferlatte 1967-8-23 1107 Siskiyou Kidd Creek Trail 1951 Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  UC711887  Cryptantha ambigua Roxana S. Ferris and Laura Lorraine 1941-8-11 10496 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  JEPS69751  Cryptantha intermedia W. B. and V. G. Cooke 1972-6-30 45410 Siskiyou above Andesite crossing (Military Pass Road); Mt. Shasta 1524 Comment
  JEPS67672  Cryptantha intermedia T. H. Gilbert 1899-7-1 25 Siskiyou Scott River Valley Comment
  RSA273419  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1974 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  SDSU20232  Cryptantha subretusa Ronald B. Kelley 2005-7-14 928 Siskiyou On south-southwest-facing slope of Mt. Eddy at switchback of Mt. Eddy trail, on both sides of trail. 2594 Comment
  UC1212566  Cryptantha torreyana Francia Chisaki and Helen Sharsmith 1959-8-20 4732 Siskiyou divide between Scott River and East Fork of Salmon River; Inner North Coast Ranges, Carrigher Summit 1981 Comment
  SD76175  Cryptogramma cascadensis Helen V. Witham 1969-10-9 611 Siskiyou Panther Meadow, Mt. Shasta 2400 Comment
  CAS-BOT-BC80533  Cupressus bakeri Frank Callahan; John Erwin 1998-8-8 s.n. Siskiyou Goosenest Mtn., south of Ball Mtn./Little Shasta Rd. (uphill south of Smith's Sawmill [Historical]) 1676 Comment
  CAS-BOT-BC80534  Cupressus bakeri Frank Callahan; John Erwin 1998-8-8 s.n. Siskiyou Goosenest Mtn., south of Ball Mtn./Little Shasta Rd. (uphill south of Historical Smiths Sawmill) 1676 Comment
  CAS-BOT-BC80547  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1463 Comment
  CAS-BOT-BC80565  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  CAS-BOT-BC80566  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  CAS-BOT-BC85603  Cupressus bakeri Malcom P. Anderson 1902-2-16 s.n. Siskiyou Forks of Seiad Creek, Siskiyou Mts. 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
  UC813438  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek; Siskiyou Mts., Mt. Diablo Mer., Seiad Creek 1158 Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  RSA17701  Cycladenia humilis Elmer I. Applegate 1935-6-10 s.n. Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  CHSC42658  Cymopterus terebinthinus var. californicus Vernon Oswald 1986-5-29 2076 Siskiyou Hwy 97 between Weed and Grass Lake, 9.8 mi ne of Weed. 1158 Comment
  JEPS77490  Cymopterus terebinthinus var. californicus Susan Horner 1978-7-5 MP- 4 Siskiyou between Military Pass Rd. and Bolam Rd. within 3 to 4 mi. of Hwy. 97 Comment
  UCR179175  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, south slope of Rainbow Mtn. 1790 Comment
  CDA37843  Cynoglossum occidentale Ashley Knight 2012-7-16 PDR# 470 P06027572 Siskiyou East of Mt. Shasta City, north of Old McCloud/31 road, Shasta/Trinity National Forest. 0 Comment
  HSC459  Cynoglossum occidentale William J. Ferlatte 1967-7-8 670 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  POM215940  Cynoglossum occidentale L. C. Wheeler 1934-6-7 2649 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  UC618695  Cynoglossum occidentale Ivan Johnston 1938-6-17 11023 Siskiyou s.w. side of Mt. Shasta Comment
  SEINET3153057  Cynoglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Phackleford creek Comment
  CDA30916  Cyperus odoratus M. Beyers, G. F. Hrusa 2010-8-18 697 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  CAS-BOT-BC114149  Cyperus squarrosus LeRoy Abrams 1922-8-6 9898 Siskiyou Klamath River 6 mi. below Hornbrook. Comment
  HSC66252  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou W Fork Seiad Creek 878 Comment
  UC1483485  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad 877 Comment
  CAS-BOT-BC70719  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  CAS-BOT-BC189810  Dactylis glomerata Douglas Barbe 1955-7-1 075 Siskiyou Klamath Mountains. 1.3 mile east of Etna on the Westide Road to Callahan. 853 Comment
  SEINET3895842 Image available Damasonium californicum George Neville Jones 1967-6-30 45134 Siskiyou In pond near Dorris.; 0 Comment
  UCD60722  Danthonia californica var. americana R. Tofsrud 1948-8-3 Siskiyou About 1 mi. SW of Happy Camp. Hwy 96. Comment
  JEPS83990  Danthonia unispicata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6391 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CAS-BOT-BC383127  Darlingtonia californica Andrew Townesmith; Karen M. Meyer 2007-8-1 888 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC66259  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  UCD168831  Darlingtonia californica Barry Rice 2015-8-15 BR 150804 Siskiyou East end of Kangaroo Lake. 1838 Comment
  CAS-BOT-BC420664  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC420665  Darmera peltata Elmer I. Applegate 1895-5-29 589 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC420666  Darmera peltata Doris K. Kildale 1928-7-3 5451 Siskiyou Little North Fork Salmon River Comment
  CAS-BOT-BC420661  Darmera peltata Lincoln Constance; Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Portugese Creek, 4 miles east of Thomas Creek. 457 Comment
  CAS-BOT-BC420662  Darmera peltata L. E. Smith 1942-5-13 155 Siskiyou Dunsmuir Comment
  HSC65272  Delphinium depauperatum Rich White 1978-7-6 246 Siskiyou Pond above Elk Hole 1524 Comment
  UC467749  Delphinium glaucum Annie M. Alexander and L. Kellogg 1911-7-30 304 Siskiyou Hd. Rush Cr. 1950 Comment
  POM211394  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  SEINET10834708  Deschampsia danthonioides A. Arthur Heller 1915-7-18 Heller 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaces Jeffrey pine. Comment
  CAS-BOT-BC201937  Deschampsia elongata Ira L. Wiggins 1955-7-22 13449 Siskiyou In S Fork of Salmon River, 9.5 miles above Cecilville 1066 Comment
  HSC19144  Deschampsia elongata J. O. Sawyer 1969-7-23 1450 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC88847  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  UC157089  Deschampsia elongata Dr. E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy 1371 Comment
  HSC77066  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 188 Siskiyou Marble Mtn. Wilderness Area. Comment
  UCD114782  Descurainia sophia Paul G. Emerson 1954-5-1 s.n. Siskiyou Alta Vista Ranch, near Montague. Comment
  HSC24688  Dicentra formosa J. O. Sawyer 1969-7-18 1361 Siskiyou E of Waterdog Lake 2012 Comment
  HSC69339  Dicentra formosa John Palmer 1980-8-13 785 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  RSA297053  Dicentra formosa subsp. formosa John F. Emmel 1974-7-20 520 Siskiyou Meadow 0.6 air mile SE of Dry Lake Lookout, Siskiyou Mountains. 1890 Comment
  CAS-BOT-BC402550  Dicentra pauciflora W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, region of Mt Shasta Comment
  UCSB12329  Dicentra uniflora Dearing, Hugh; Dearing, Margaret 1938-6-21 Siskiyou Mt. Shasta 2438 Comment
  UC164328  Dichelostemma capitatum Geo. D. Butler 1909-4-13 597 Siskiyou near Yreka Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  RSA237875  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Just above Willow Springs along the trail between Abott s Upper Cabin and English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1692 Comment
  RSA120196  Dichelostemma multiflorum S. S. Tillett 1956-7-11 701 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC618849  Dieteria canescens var. shastensis W. Bridge Cooke 1938-8-21 11536 Siskiyou Horse Camp Flats, Hudsonian Mount Shasta, Horse Camp Flats, Hudsonian <zone> Comment
  UCR70754  Dimeresia howellii D. W. Taylor, G. L. Clifton, R. D. Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior 1500 Comment
  RSA502324  Dimeresia howellii D. W. Taylor, Glenn Clifton, Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior. 1500 Comment
  CAS-BOT-BC153719  Diplacus nanus Elmer I. Applegate 1935-6-6 9364 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC153722  Diplacus nanus Milo S. Baker 1926-7-18 79 a-'26 Siskiyou Forest Road on S. Fork Mt. 6 miles from Highway Comment
  HSC32012  Dodecatheon alpinum A. M. Montalvo, J. D. Ackerman 1974-7-2 349 Siskiyou Near Morgan Meadows on E slope of Mt. Eddy, W of Mt. Shasta City Comment
  RSA760544  Dodecatheon alpinum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63368 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC32293  Dodecatheon jeffreyi J. O. Sawyer 1971-6-29 2395 Siskiyou Elk Hole 1524 Comment
  JEPS25654  Dodecatheon jeffreyi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7297 Siskiyou about 4 mi nne Preston Peak (watershed of Indian Creek, Twin Valley, Siskiyou Mts., just e of Del Norte County line); Siskiyou Mts., Twin Valley, Indian Creek watershed 1493 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  UCD115549  Draba pterosperma Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou NE-face of Marble Mountain, Marble Mountains. 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
  HSC62264  Drymocallis ashlandica Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  CAS-BOT-BC159680  Drymocallis glandulosa Gilbert Muth 1966-7-17 405 Siskiyou Trail to Lookout, Marble Mts. 1828 Comment
  UC726533  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou ne base Mt. Eddy; ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  UC1190237  Drymocallis lactea var. austiniae Ira L. Wiggins 1955-7-27 13525 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC154518  Drymocallis lactea var. austiniae Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  UC903175  Drymocallis lactea var. austiniae Mrs. H. P. Bracelin 1931-6-20 436 Siskiyou 0.5 mi from Metcalf Ranch (Northeast slope of Mount Eddy); , Wagon Creek Canyon 1249 Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  CAS-BOT-BC536650  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-8 13829 Siskiyou Mount Shasta Comment
  CAS-BOT-BC536727  Drymocallis pseudorupestris Wm. Bridge Cooke 1938-8-23 11570 Siskiyou North Slope of Shastina. Hudsonian. Comment
  HSC26759  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4821 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  SD76185  Echinochloa muricata Helen V. Witham 1969-10-7 571 Siskiyou 10 miles west of Fort Jones, Scott River 700 Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  UC184358  Eleocharis bella Geo. D. Butler 1909-9-12 866 Siskiyou Oro Fino Comment
  SEINET9084219  Eleocharis obtusa var. engelmannii L. Ahart, V. Oswald 1997-7-28 8808 Siskiyou E side of FR 15, 109 miles N of Hwy 89. 1384 Comment
  CAS-BOT-BC112695  Eleocharis parishii Louis C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC112696  Eleocharis parishii M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  CAS-BOT-BC112692  Eleocharis parishii David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones nr head of Yreka Creek at first spring Serpentine outcropping 1127 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  CAS-BOT-BC227127  Elymus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  SEINET10558319  Elymus condensatus H. E. Brown 1897-7-15 Brown 504 Siskiyou South side Mt. Shasta. 1524 Comment
  POM359941  Elymus elymoides M. B. Dunkle 1945-08 9284 Siskiyou Paradise Lake, rocky ledge. Comment
  UCD61427  Elymus elymoides S. S. Tillett 1956-7-11 699 Siskiyou Just N. of campground, Scott Mtn. divide 8 mi. se. of Callahan. 1630 Comment
  UC618876  Elymus elymoides subsp. elymoides W. Bridge Cooke 1938-7-15 11266 Siskiyou Wagon Camp Mount Shasta (around outer portions of meadows) 1737 Comment
  HSC42161  Elymus elymoides var. californicus R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  HSC76769  Elymus elymoides var. elymoides K. T. Stillman 1976-8-7 376 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC48278  Elymus glaucus Ken Stillman, J. O. Sawyer 1978-7-6 1035 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC69006  Elymus glaucus Maralyn A. Renner 1980-7-24 2131 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC76862  Elymus glaucus K. T. Stillman 1976-9-9 481 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  HSC103027  Elymus multisetus J. P. Smith 2014-6-7 13885 Siskiyou Yreka 844 Comment
  HSC91440  Elymus spicatus Jennifer Whipple 1977-8-4 2152 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  HSC92388  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-7-21 2025 Siskiyou Near Durney Lake 2073 Comment
  CHSC93530  Elytrigia intermedia subsp. barbulata Lowell Ahart; John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  UCR47890  Epilobium angustifolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC1188196  Epilobium ciliatum subsp. ciliatum Philip A. Munz 1960-8-21 24206 Siskiyou roadide ditch 10 mi n Weed Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  UCD77622  Epilobium ciliatum subsp. glandulosum Robert E. Preston 2001-7-20 1696 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1755 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC1713137  Epilobium hallianum Harley P. Chandler June 1901 1702 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  HSC92786  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1977-7-21 2019 Siskiyou Near Durney Lake 2073 Comment
  POM259014  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15439 Siskiyou Mount Shasta: Along Squaw Valley Creek 2439 Comment
  HSC29171  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  RSA237387  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  HSC76708  Epilobium minutum K. T. Stillman 1976-7-14 227 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  UC136739  Epilobium minutum A. A. Heller 1905-6-1 7930 Siskiyou Upper Soda Spring Comment
  UC1618333  Epilobium minutum Barbara Ertter 1990-7-14 9309 Siskiyou e. side Mt. Eddy ca. 4 airmiles due w. Mt. Shasta City (at streamlet near end of FR 41N53 ca. 1 mi. n. of Morgan Meadows, rocky roadcut near forest edge); Mt. Eddy 1676 Comment
  UCD105960  Epilobium minutum Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  POM38546  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek. Comment
  SEINET10815063 Image available Epilobium paniculatum Edward L. Greene 1876-8-28 Greene 1029 Siskiyou Near Etna. Comment
  CHSC99583  Epilobium siskiyouense L. P. Janeway 2008-7-22 9445 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Steep northwest-facing rock outcrop and scree slope. 1871 Comment
  JEPS109564  Epilobium siskiyouense Dean W. Taylor 2002-7-21 18273 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC371169  Equisetum hyemale subsp. affine G. D. Butler 1909-4-11 878 Siskiyou Shasta Retreat Comment
  RSA715774  Equisetum laevigatum L. Ahart, John Dittes 2005-6-10 12107 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  CAS-BOT-BC213570  Eragrostis hypnoides Carl B. Wolf 1927-8-26 1086 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC204627  Eragrostis mexicana subsp. virescens R. E. Frenkel 1964-10-2 901 Siskiyou Everitt Memorial Highway, 1.0 mile north of McCloud River RR crossing, near Mount Shasta 1219 Comment
  HSC69702  Eremogone congesta Maralyn A. Renner 1980-6-26 1264 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC168331  Eremogone congesta var. congesta A. A. Heller 1918-7-16 13031 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CAS-BOT-BC168334  Eremogone congesta var. congesta Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC168335  Eremogone congesta var. congesta John Thomas Howell 1937-7-24 13426 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC168329  Eremogone congesta var. congesta A. A. Heller 1915-8-26 12228 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CHSC36187  Eriastrum signatum K. Bridwell 1978-7-5 166 A Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  UC1538953  Eriastrum signatum Ann Hale 1987-7-19 Siskiyou near Lake Shastina; Lake Shastina Quad., south end of Shasta Valley 883 Comment
  JEPS116879  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  CAS-BOT-BC58394  Ericameria bloomeri R. C. Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  HSC26574  Ericameria bloomeri J. P. Smith 1972-8-17 5747 Siskiyou Medicine Lake 2012 Comment
  RSA142695  Ericameria bloomeri P. A. Munz 1960-8-22 24172 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC287491  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mts 1828 Comment
  CAS-BOT-BC287492  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  RSA237448  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou Meadows at Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1408922  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou near lookout along trail on w slope of English Peak Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou County) 2225 Comment
  OBI55414  Ericameria greenei David J. Keil, Kathleen Keil 1992-7-21 23547 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 3.6 mi W of Scott Mountain rd (Hwy 3). Comment
  CAS-BOT-BC294303  Ericameria nauseosa var. speciosa Doris K. Kildale 1929-8-24 8815 Siskiyou Preston Peak 2225 Comment
  JEPS21517  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou near Yreka (upper field on Butler's Ranch) Comment
  LA203186  Ericameria nauseosa var. speciosa Wm. Bridge Cooke; 1939-8-4 13802 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  CAS-BOT-BC293499  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  SEINET10813459  Erigeron aliceae Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 884 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  CAS-BOT-BC293503  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou West Fork of Woolly Creek Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  UCD131601  Erigeron aliceae R. Tofsrud; J. M. Tucker 1948-8-3 1782 Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  HSC49946  Erigeron bloomeri var. bloomeri G. L. Clifton 1979-8-5 12717 Siskiyou Near Twin Valley Creek close to town of Happy Camp 1592 Comment
  HSC75572  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 179 Siskiyou Marble Mtn. Wilderness Area. 1951 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
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  UC127714  Erigeron compositus Harley P. Chandler 1901-6-1 1672 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UCD77642  Erigeron compositus Robert E. Preston 2001-7-21 1744 Siskiyou Klamath National Forest, Rainbow Mountain, 2255 Comment
  CAS-BOT-BC296127  Erigeron foliosus var. confinis Doris K. Kildale 1929-7-20 8688 Siskiyou Raspberry Lake upper South Fork of Indian Creek 1828 Comment
  HSC68279  Erigeron foliosus var. mendocinus J. P. Smith, Steve Selva 1970-6-15 3926 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC19468  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1860 Siskiyou Slope SW of Sugar Lake 2195 Comment
  HSC69344  Erigeron klamathensis Maralyn A. Renner 1980-9-9 2758 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  RSA215642  Erigeron peregrinus subsp. callianthemus Gilbert Muth 1969-8-7 1266 Siskiyou Boulder Peak Ridge 2470 Comment
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  CHSC91242  Erigeron philadelphicus Lowell Ahart; John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  POM252996  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou Near the eastern base of Deer Mountain 1372 Comment
  HSC13522  Eriodictyon californicum C. B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  RSA15653  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC43397  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 201 Siskiyou Marble Mtn. Wilderness Area, W side of Marble Gap and Ridge 1982 Comment
  CAS-BOT-BC242529  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4807 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 mile snortheast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north..., 1737 Comment
  CAS-BOT-BC242531  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4802 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, on ridge 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  HSC19516  Eriogonum diclinum J. O. Sawyer 1969-7-19 1425 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC163  Eriogonum elatum var. elatum William J. Ferlatte 1966-8-2 241 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  RSA60784  Eriogonum elatum var. elatum Dorothy Parker 1948-8-5 172 Siskiyou Plowman's Valley, east fork of Scott River 1189 Comment
  JEPS83630  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 Comment
  JEPS116875  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  CAS-BOT-BC263655  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou South bank of Klamath River between McKinney and Parkhouse Creeks, near Hamburg 609 Comment
  CAS-BOT-BC263656  Eriogonum luteolum var. luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CAS-BOT-BC263662  Eriogonum luteolum var. luteolum Carl B. Wolf 1927-8-26 1010 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC263666  Eriogonum luteolum var. luteolum Alice Eastwood 1922-10-23 11550 Siskiyou Yreka Comment
  HSC28194  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1971-9-18 4805 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC43461  Eriogonum marifolium Jennifer Whipple 1976-6-24 1130 Siskiyou N slopes of Mt. Eddy 2439 Comment
  UC849523  Eriogonum marifolium Alice Eastwood 1912-9-1 2072 Siskiyou Mount Shasta Comment
  CAS-BOT-BC263188  Eriogonum marifolium var. cupulatum Elmer I. Applegate 1923-8-20 3902 Siskiyou Medicine Lake, west side 1981 Comment
  CHSC110785  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21300 Siskiyou Mount Shasta. Elk Flat, easterly flanks of Mt. Shasta, Shasta-Trinity National Forest. 1241 Comment
  CAS-BOT-BC272489  Eriogonum nudum var. pubiflorum A. M. Vollmer; L. Beane 1951-6-2 44 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UCD105091  Eriogonum nudum var. pubiflorum K. M. Meyer; A. Townesmith 2007-8-4 189 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-BC268582  Eriogonum siskiyouense James L. Reveal; Darin S. Reveal 1978-8-8 4806 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  CAS-BOT-BC268585  Eriogonum siskiyouense Thomas W. Nelson; Jane P. Nelson 1983-7-29 7504 Siskiyou North Coast Ranges. Along west side of State Route 3 2.4 miles north of Scott Mountain Summit just north of junction with forest road 40N03 1371 Comment
  HSC43443  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2187 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS117877  Eriogonum siskiyouense unknown 1976-9-23 Siskiyou Along the trail up the SW side of Mt. Eddy 2438 Comment
  SEINET3405023 Image available Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide, above Kangaroo Lake Comment
  UC1442635  Eriogonum sphaerocephalum var. halimioides William J. Ferlatte 1978-5-28 1905 Siskiyou hills ne Yreka (0.4 mi e of Interstate 5, 0.2 mi n of Hwy. 3 on way to Montague) 830 Comment
  CDA22660  Eriogonum sphaerocephalum var. halimioides Don Shaw 1978-6-1 Siskiyou Sam s Neck, Butte Valley, southwest of Dorris. Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC263385  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC263386  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC43450  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1718 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2256 Comment
  CAS-BOT-BC263381  Eriogonum strictum var. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna and Ft. Jones Comment
  JEPS83885  Eriogonum ternatum Wayne Roderick July 1976 Siskiyou rock outcrop along trail to Lily Pad Lake (vicinity of Cook and Green Pass); Sisiyou Mts. 1706 Comment
  CAS-BOT-BC267947  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC267937  Eriogonum umbellatum C. H. M. 1919-10-17 s.n. Siskiyou Sacramento River Canyon (at Pollock bridge) Comment
  HSC2394  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-18 424 Siskiyou Willow Creek Trail. 1707 Comment
  HSC30405  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-13 1353 Siskiyou Marble Mtn. Wilderness Area, S running ridge of English Peak 2210 Comment
  SEINET7545232  Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-1 3955 Siskiyou Siskiyou Mts. Klamath National Forest, along the Dry Lake Lookout Rd., 0.5 mi. W of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  CHSC26172  Eriogonum umbellatum var. dumosum J. P. Kroessig 1977-8-6 61 Siskiyou Big Castle Lake, ca. 8.8 km wnw of Dunsmuir. 1700 Comment
  JEPS56182  Eriogonum umbellatum var. dumosum J. G. Lemmon 1889-6-28 Siskiyou near Edgewood Comment
  UC635432  Eriogonum umbellatum var. humistratum D. Tebbe 1929-7-18 129 Siskiyou Mount Eddy Comment
  JEPS100253  Eriogonum umbellatum var. lautum Dean W. Taylor 2003-8-13 18683 Siskiyou ca. 1 mi S of Greenview, along Kidder Creek Road 0.5 mi W from the junction with Hwy 3, Scott Valley; Trinity Alps 987 Comment
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May 3 2007
  UC585248  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1925 Siskiyou s of highway sw Yreka; Forest House Mt. 1363 Comment
  POM165270  Eriogonum umbellatum var. polyanthum W. A. Setchell, C. Dobie 1902-07 4113 Siskiyou Session Mt. Shasta. Comment
  RSA141264  Eriogonum umbellatum var. polyanthum P. Quentin Tomich 1954-6-20 417 Siskiyou Valentine Cave, Lava Beds National Monument. 1372 Comment
  CDA14218  Eriogonum vimineum G. F. Hrusa 1997-9-18 14105 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  CAS-BOT-BC262382  Eriogonum vimineum L. R. Abrams 1927-9-11 12143 Siskiyou Fork of Shasta and Klamath Rivers Comment
  HSC91303  Eriophorum crinigerum Jennifer Whipple 1976-6-17 1026 Siskiyou Near Durney Lake 2073 Comment
  SEINET10750622  Eriophorum crinigerum Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC1108531  Eriophorum crinigerum Ira L. Wiggins 1955-7-27 13553 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301138  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 119 Siskiyou 10 m. n. Weed, on K. Falls road Comment
  CAS-BOT-BC308283  Eriophyllum lanatum var. integrifolium G. J. Muth 1969-8-6 1189 Siskiyou Boulder Peak 2529 Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  UC1565571  Eryngium mathiasiae Beth Corbin 1989-8-28 545 Siskiyou ca. 13 air mi. n. Fall River Mills (3 mi. n. of Timbered Crater) 1097 Comment
  HSC61797  Erysimum capitatum var. capitatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC64096  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6457 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  RSA211341  Erysimum capitatum var. perenne William J. Ferlatte 1966-6-23 119 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  CAS-BOT-BC55115  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34275 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 2286 Comment
  CAS-BOT-BC55116  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34269 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 1828 Comment
  HSC91047  Erysimum perenne Jennifer Whipple 1976-7-24 1557 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  SEINET14287547  Erythranthe guttata G. D. Butler 1910-5-29 1423 Siskiyou Near Yreka. Comment
  JEPS29123  Erythronium grandiflorum Lauramay T. Dempster 1961-7-1 1843 Siskiyou along ridge from Condry Peak to White Mountain (at head of Horse Creek drainage basin); Siskiyou Mts., Horse Creek 1859 Comment
  HSC92688  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  RSA507781  Eucephalus glabratus J. C. Semple, S. Heard 1986-8-16 8492 Siskiyou SW of Etna. Etna Summit on Forest Hwy 93 1646 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  OBI76726  Eucephalus tomentellus G. S. Ringius 1986-8-16 8492 Siskiyou SW of Etna. Etna summit on Forest Hwy 93 1646 Comment
  CHSC32942  Euonymus occidentalis J. P. Smith; Steve Selva 1970-6-16 4089 Siskiyou 7 miles west of Sawyers Bar on road to Forks of Salmon; roadside seep. Comment
  UC166590  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC39878  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-6-30 5641 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  HSC42966  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-5-29 2752 Siskiyou Along Specimen Creek. 884 Comment
  HSC43028  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-7-2 2801 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC77121  Festuca idahoensis K. T. Stillman 1976-6-25 99 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UC1483448  Festuca idahoensis J. Sawyer and J. Cole 1980-7-22 3944 Siskiyou nw slopes Cedar Mt.; Klamath National Forest, Bray Quad., Cedar Mt. 1524 Comment
  UCR39783  Festuca idahoensis K. T. Stillman 1976-6-25 99 Siskiyou Between Marble Gap and Elk Valley Trail Comment
  CHSC110947  Festuca occidentalis B. Castro; L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the dN-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its 'A' spur, in the old roadbed on semi-shaded red fir forest floor. Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC207708  Festuca occidentalis Geo. D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek 1219 Comment
  UC796737  Festuca occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11744 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UCD66151  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC30646  Festuca rubra Frederick W. Oettinger 1969-9-2 1584 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  UC1265440  Festuca rubra F. W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin, w Siskiyou County Salmon Mountains 2011 Comment
  RSA238398  Festuca subulata Frederick W. Oettinger 1969-9-4 1655 Siskiyou Margin of dry meadow below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA211179  Fragaria californica William J. Ferlatte 1966-6-22 110 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC455953  Fragaria chiloensis L. N. Lorenzen No date on label 3 Siskiyou Shasta Forest. Van Brennan Wells. 1440 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  HSC33926  Fragaria virginiana J. O. Sawyer 1968-6-18 244 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC53417  Frangula californica subsp. occidentalis Doris K. Kildale 1929-8-24 8812 Siskiyou Preston Peak 2225 Comment
  SEINET10847556  Fraxinus dipetala Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC223577  Fraxinus latifolia Alice Eastwood 1921-7-30 11011 Siskiyou Shasta Springs Comment
  HSC46116  Fraxinus latifolia J. P. Smith, Steve Selva 1970-6-14 3872 Siskiyou 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
  HSC60669  Fritillaria glauca Ruby Van Deventer Siskiyou Bear valley Comment
  HSC40220  Fritillaria recurva J. P. Smith 1976-5-21 8775 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  CHSC91392  Galium aparine Lowell Ahart; John Dittes 2005-6-10 12091 Siskiyou Rocky hill, north of the rock fence, about 200 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS25629  Galium bifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7267 Siskiyou Poker Flat 1536 Comment
  HSC43048  Galium bolanderi J. O. Sawyer, Ken Stillman 1976-7-1 2771 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC416643  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou Hearst Castle Comment
  RSA264981  Galium glabrescens Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  HSC61214  Galium muricatum Al Hobart 1968-8-15 Siskiyou El Capitan Comment
  JEPS107488  Galium parisiense Lowell Ahart, John Dittes 2005-6-10 12116 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
  CAS-BOT-BC223194  Galium serpenticum subsp. scotticum L. B. Kildale 1930-6-1 9844 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC223195  Galium serpenticum subsp. scotticum Alice Eastwood; John Thomas Howell 1937-6-25 5021 Siskiyou Scott Mts. south of Callahan Comment
  CAS-BOT-BC223196  Galium serpenticum subsp. scotticum Clifton; Ground 1978-7-2 1842 Siskiyou Near Scott Mountain Summit, on the China Mt quadrangle, close to the town of Callahan 1704 Comment
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  POM60035  Galium trifidum Copeland 1904-8-14 3935 Siskiyou Sisson. Comment
  RSA264749  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  UC1258469  Galium triflorum John Palmer 1980-8-12 686 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  HSC63076  Garrya fremontii David Wheeler 1979-4-7 24 Siskiyou Comment
  POM131994  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. 1067 Comment
  HSC65346  Gaultheria ovatifolia Rich White 218 Siskiyou E of Sawtooth Trail and N of Dillon Trail 1502 Comment
  HSC91275  Gentiana calycosa Jennifer Whipple 1976-9-2 1765 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  JEPS83574  Gentiana calycosa Dean Wm. Taylor, Glenn L. Clifton 1987-8-5 9228 Siskiyou Forest Road 36N06 at crossing of Tate Creek, headwaters of McCloud River drainage Tate Creek; , Forest Road 36N06 1484 Comment
  CAS-BOT-BC217422  Gentiana setigera Wayne Roderick 1967-9-1 s.n. Siskiyou Growing around edges of Cedar Lake, w. of Mt. Shasta 1828 Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  UC1024067  Gentianella amarella subsp. acuta Dorothy Parker 1953-9-18 607 Siskiyou near Cory Peak (along the banks of Cabin Meadow Creek); Siskiyou Mountains, Cabin Meadow Creek 1828 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
  UC1212152  Gentianella amarella subsp. acuta Francia Chisaki and Helen K. Sharsmith 1959-8-19 4730 Siskiyou just w Scott Mountain grade summit (just beyond Trinity County line); Inner North Coast Ranges 1584 Comment
  UC1409499  Geum macrophyllum var. perincisum F. W. Oettinger 1969-8-9 1316 Siskiyou near Young's Cabin (Salmon Mountains, western Siskiyou County); Salmon Mountains 1356 Comment
  UC165263  Geum triflorum Geo. D. Butler 1909-6-20 922 Siskiyou Goosenest Foothills Comment
  SEINET3156722  Geum triflorum G. D. Butler 1910-6-19 1578 Siskiyou Goosenet foothills 1524 Comment
  HSC46241  Gilia capitata Jennifer Whipple 1978-6-5 2324 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC282718  Glyceria elata Wm. Bridge Cooke 1938-6-24 11083 Siskiyou MacBride Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC282848  Glyceria striata Geo. D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek 1219 Comment
  UC246741  Gnaphalium palustre H. E. Brown Jul 15 1897-Jul 31 1897 531 Siskiyou s side Mt. Shasta 1524 Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  POM211383  Gnaphalium thermale L. C. Wheeler 1934-7-24 2958 Siskiyou Long John Creek, Siskiyou Mts. Mt. Diablo Meridian. 1402 Comment
  JEPS64394  Goodyera oblongifolia Willis L. Jepson 1894-8-9 21282 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  UCD98142  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou west of Medo-Bel Dairy, College Ave., SW part of Weed. Comment
  CAS-BOT-BC419706  Hackelia bella Mary Merello; H. H. Schmidt; L. Woodruff 1993-6-23 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. 1800 Comment
  RSA114970  Hackelia bella E. K. Balls, L. W. Lenz 1956-6-18 21800 Siskiyou 5 mi. w. of McCloud, State Hwy. 89. 1341 Comment
  CAS-BOT-BC419705  Hackelia californica J. K. Nelson 2010-9-4 2010 -030 Siskiyou South slope of Mt. Shasta 1325 Comment
  HSC22137  Hackelia micrantha J. O. Sawyer 1969-7-3 1040 Siskiyou Near Lipstick Lake 1951 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  SEINET11849258  Haplopappus racemosus subsp. pinetorum Unknown 1953-1 119 Siskiyou Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  UC569476  Hastingsia alba H. S. Yates 1936-6-21 5882 Siskiyou 1 mi se Gazelle; Etna Quad. 792 Comment
  RSA120206  Hastingsia alba S. S. Tillett 1956-7-9 675 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  CAS-BOT-BC306751  Helenium bigelovii Doris K. Kildale 1929-7-20 8704 a Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC306756  Helenium bigelovii Doris K. Kildale 1929-7-20 8712 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  JEPS74421  Helenium bigelovii W. J. Ferlatte 1966-8-2 231 Siskiyou between campground and S. Fork of the Salmon River; Trinity Alps, Big Flat 1524 Comment
  CAS-BOT-BC306754  Helenium bigelovii Ira L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  CAS-BOT-BC306755  Helenium bigelovii Ira L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  OBI55478  Helenium bigelovii David J. Keil, Kathleen Keil 1992-7-21 23529 Siskiyou Klamath Natl Forest sE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  UCD132926  Helianthus Ben Beard 1978-1 HSP 09 A Siskiyou near Mt. Shasta. Comment
  UCD132902  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou near Yreka. Comment
  JEPS29203  Hemizonella minima Lauramay T. Dempster 1961-7-1 1825 Siskiyou along ridge from Condry Peak to White Mountain Comment
  HSC29475  Heracleum maximum Frederick W. Oettinger 1968-8-15 522 Siskiyou Marble Mountains Wilderness Area, High Lakes Basins, SE side of Hancock Lake along the lake trail 1936 Comment
  HSC101743  Herniaria hirsuta subsp. hirsuta J. P. Smith, J. O. Sawyer 2010-5-2 12804 Siskiyou Oak Bottom River Access Road 175 Comment
  SBBG6106  Hesperochiron pumilus H. and M. Dearing 1939-6-5 3553 Siskiyou E of McCloud 1066 Comment
  JEPS32303  Hesperolinon micranthum W. L. Jepson July, 1894 13539 Siskiyou Sisson Comment
  UC642530  Hesperolinon micranthum W. B. Cooke 1939-7-14 13686 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  SEINET10972516  Heterocodon rariflorum Oettinger 1966-8-18 OETTINGER 1427 Siskiyou VIC. ENGLISH PEAK, MARBLE MTN WILDERNESS, N OF HORSE RANGE LAKE OUTLET ON MOSSY DRIPPING ROCKS Comment
  SEINET515874  Heterotheca villosa Vernon H. Oswald 1998-9-8 9607 Siskiyou USFS 3 ca. 0.8 mi. W of Julia Glover Flat, ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  HSC22091  Heuchera merriamii J. O. Sawyer 1969-8-1 1685 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC858017  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin; Salmon-Trinity Alps 1981 Comment
  HSC20188  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou Bluff above Paradise Lake, Salmon Mtn. 1982 Comment
  RSA0063195  Heuchera merriamii G. D. Barbe 1955-8-5 367 Siskiyou Growing along the trail to Caribou Lake. Salmon Mtns. 2409 Comment
  CAS-BOT-BC319698  Hieracium albiflorum John Thomas Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS82484  Hieracium albiflorum Gilbert Muth 1965-8-11 203 Siskiyou Black Mt. Marble Mt. Wilderness Area 1792 Comment
  HSC22257  Hieracium albiflorum J. O. Sawyer 1968-7-10 490 Siskiyou 1768 Comment
  HSC28228  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou 320 Comment
  UC160446  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou beginning of Shasta trail; Sisson Comment
  UC337088  Hieracium horridum unknown 1888-9-12 Siskiyou side Mt. Shasta Comment
  UC194096  Hieracium horridum unknown 1874-9-1 Siskiyou Shasta 3657 Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC316022  Hieracium scouleri Wm. F. Herrin 1921-6-28 s.n. Siskiyou Shasta Springs Comment
  JEPS84048  Hieracium triste L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6422 Siskiyou cirque at head Hell's Canyon (e slope of mountain, ca 5 mi n of town of Seiad Valley); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC313000  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC280781  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River 731 Comment
  CAS-BOT-BC280784  Holcus lanatus Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  RSA273401  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow. 2012 Comment
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  RSA611292  Horkelia daucifolia Louis C. Wheeler 1935-5-26 3528 Siskiyou Siskiyou Mts. 854 Comment
  UCSB12365  Horkelia daucifolia Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scotts Bar Comment
  SD125937  Horkelia tridentata Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  RSA166288  Horkelia tridentata Donald Myrick 1961-6-22 315 Siskiyou On Hwy 89 near McCloud. 915 Comment
  RSA275399  Horkelia tridentata subsp. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  UC185648  Horkelia tridentata subsp. tridentata Dr. E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  HSC44713  Hosackia oblongifolia var. oblongifolia J. O. Sawyer, Ed Cope 1977-6-18 2917 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC44574  Hosackia oblongifolia var. oblongifolia Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  CAS-BOT-BC142665  Howellanthus dalesianus Dorothy Parker; Wayne Roderick 1967-7-25 s.n. Siskiyou Kangaroo Lake, Scott Mts 1981 Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC1034052  Hulsea nana W. Bridge Cooke 1941-9-10 16295 Siskiyou above Horse Camp; Mt. Shasta Comment
  UCD119488  Hydrophyllum occidentale Sandra Holloway 1963-5-19 57 Siskiyou 2 1/2 miles west of Hawkinsville. 1066 Comment
  SEINET5518744  Hydrophyllum occidentale var. watsonii G. D. Butler 1910-1 1720 Siskiyou Marble Mountain 1676 Comment
  RSA12609  Hymenoxys lemmonii C. B. Wolf 1934-7-5 5976 Siskiyou Shasta Valley, 4.6 miles north of Gazelle. 823 Comment
  SEINET193110  Hymenoxys lemmonii Ynez Whilton Winblad 1941-6-20 sn Siskiyou Btwn. Weed and Yreka. Comment
  HSC65494  Hypericum anagalloides R. White 1977-7-7 105 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  UC61161  Hypericum formosum var. scouleri W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt.Shasta, Sisson Comment
  HSC30431  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Marble Mtn. Wilderness Area, on steep switchback slope on Pine Lake trail 2073 Comment
  RSA237941  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1968-8-17 551 Siskiyou On Pine Lake Trail. Salmon Mtns. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET4170699  Iris hartwegii C. L. Hitchcock, J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail , ca. 13 miles south of Takilma , Oregon 1067 Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  HSC30494  Iris tenuissima Frederick W. Oettinger 1969-8-12 1332 Siskiyou Yellow Dog Creek, Salmon Mtns. 915 Comment
  RSA139181  Iris tenuissima Lee W. Lenz 1958-6-22 23530 Siskiyou 17 miles from Happy Camp, road to Cave Junction Comment
  SEINET3875938  Iris tenuissima Alv Dan Youngberg 1964-6-17 27 Siskiyou Humbolt Meridian.; 0 579 Comment
  CAS-BOT-BC376182  Isatis tinctoria Andrew Townesmith; Karen M. Meyer 2007-8-3 896 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  HSC85899  Isatis tinctoria Barry Silver 1986-5-24 613 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  JEPS19743  Isatis tinctoria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou 20 mi ne of Weed (along causeway traversing Grass Lake, (U.S. Hwy 97), on route between Weed and Klamath Falls) 1544 Comment
  UC705864  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou sw of Yreka (Soap Ridge Road); Soap Ridge Road Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  HSC91420  Isoetes bolanderi Jennifer Whipple 1978-10-6 2435 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC90597  Ivesia gordonii Jennifer Whipple 1976-6-17 1033 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC76638  Ivesia gordonii var. alpicola K. T. Stillman 1976-6-25 60 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  RSA184731  Ivesia gordonii var. alpicola Gilbert Muth 1966-7-22 381 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  HSC40383  Ivesia pickeringii Kevin Sawyer, J. O. Sawyer, Jane Cole, J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Siskiyou-Trinity Co. line on State Route 3 1524 Comment
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  HSC74839  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Williams Point along the Klamath River S of Hwy. 96 Comment
  RSA238902  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Near the outlet of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC78913  Juncus effusus subsp. effusus Paul Wilson 1984-8-26 354 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  RSA15602  Juncus effusus subsp. pacificus Carl B. Wolf 1927-8-26 1097 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  RSA14323  Juncus ensifolius Elmer I. Applegate 1895-5-28 s.n. Siskiyou Sisson, Strawberry Valley. Near Sesson s Tavern. Comment
  JEPS121599  Juncus howellii Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Sloping wet meadow on ultramafic soil; NE aspect. South China Mountain quadrangle. TF1_B Comment
  CAS-BOT-BC127620  Juncus mertensianus H. A. Thomas; J. H. Thomas 1954-7-24 4518 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  JEPS84176  Juncus mexicanus L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6380 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  HSC30679  Juncus nevadensis var. nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Marble Mtn. Wilderness Area, slope just SW of Diamond Lake 2073 Comment
  RSA119346  Juncus occidentalis S. S. Tillett 1956-7-11 694 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  HSC69159  Juncus orthophyllus Maralyn A. Renner 1980-8-4 2209 Siskiyou Flint Valley 1390 Comment
  HSC22105  Juncus parryi J. O. Sawyer 1969-8-2 1721 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC1034640  Juniperus occidentalis Milo S. Baker 1955-6-26 13071 Siskiyou 2 mi s Gazelle (Hwy. 99) 914 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
  HSC4849  Kalmia polifolia J. O. Sawyer 1968-6-25 314 Siskiyou Along Horse Range Creek 1829 Comment
  HSC661  Kelloggia galioides William J. Ferlatte 1967-7-9 677 Siskiyou Kidd Creek Trail 1677 Comment
  HSC90522  Kelloggia galioides Jennifer Whipple 1977-8-5 2178 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  SBBG30547  Kelloggia galioides D. Myrick 1968-6-25 2023 B Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC28415  Kelloggia galioides C. B. Bradley 1879-1 Siskiyou Comment
  UC455891  Kelloggia galioides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UC61037  Kelloggia galioides W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  SDSU5603  Kochia scoparia D. F. Howe 1966-8-27 4308 Siskiyou Tule Lake. 1311 Comment
  UC197483  Koeleria macrantha Geo. D. Butler 1910-7-3 1625 Siskiyou Goosenest Mountain 1219 Comment
  CAS-BOT-BC499655  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC499656  Kopsiopsis strobilacea Thos. H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground north of Happy Camp on Indian Creek road 1219 Comment
  CAS-BOT-BC499662  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  CAS-BOT-BC340367  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  JEPS40432  Kyhosia bolanderi Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  CAS-BOT-BC340379  Kyhosia bolanderi Dr. E. B. Copeland August 15, 19 3 3882 Siskiyou Sisson 1066 Comment
  SEINET3148086  Kyhosia bolanderi C. G. Pringle 1882-9-7 sn Siskiyou About Mt. Shasta Comment
  CDA8088  Lagophylla ramosissima T. C. Fuller 1965-6-1 13589 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  UC538054  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou Weed Comment
  CAS-BOT-BC341703  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  POM30798  Lagophylla ramosissima Geo D. Butler 1910-6-2 1448 Siskiyou Yreka. Comment
  UC163827  Lathyrus brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain Comment
  UC585091  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1983 Siskiyou about 1.5 mi w Mt. Shasta City (above Sulloway Creek, spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  SEINET3131407  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  SEINET5327266  Lathyrus japonicus G. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  RSA406676  Lathyrus polyphyllus M. B. Dunkle 1944-6-25 9018 Siskiyou Siskiyou National Park. Comment
  RSA78674  Lathyrus polyphyllus P. A. Munz 1952-7-1 17867 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  HSC71460  Lathyrus tracyi J. P. Smith 1973-5-5 6415 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA145237  Ledum glandulosum Dorothy Parker 1959-7-20 738 Siskiyou Below Rock Fence Lake. 1982 Comment
  UC1304159  Lepidium Edward J. O'Neill and Greg Bos Jul 1964 382 Siskiyou Upper Klamath Refuge, Unit 1 Klamath Basin National Wildlife Refuge Comment
  CHSC33171  Lepidium campestre R. E. Preston 1981-5-2 54 Siskiyou At Camp Creek Recreation Area, on Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  CHSC4184  Lepidium campestre R. Carter 1966-5-15 399 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  HSC41626  Lepidium campestre Barbara Kelly 1977-5-21 483 Siskiyou Parking lot at Callahan, next to grocery store Comment
  HSC64118  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Etna 793 Comment
  CAS-BOT-BC12835  Lepidium perfoliatum A. A. Heller 1928-6-9 14609 Siskiyou Near Gazelle. In the Shasta Valley, a treeless region first noticed here in 1925. Comment
  HSC6831  Lepidium perfoliatum R. C. Wunner 1965-6-13 153 Siskiyou California Lava Beds National Monument, across Devil's Homestead 1296 Comment
  HSC86531  Leptosiphon nuttallii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, N of Haypress Meadows 1372 Comment
  CDA40062  Leptosiphon rattanii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2631 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  HSC69720  Leucothoe davisiae Maralyn A. Renner 1980-7-16 1794 Siskiyou Hancock Lake inlet 1951 Comment
  RSA211221  Leucothoe davisiae William J. Ferlatte 1966-8-5 353 Siskiyou Caribou Mtn. 2470 Comment
  SBBG30595  Lewisia cotyledon D. Myrick 1968-6-27 2042 Siskiyou trail to Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk 1828 Comment
  HSC29489  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 746 Siskiyou Marble Mtn. Wilderness Area, ridge trail E of Tom's Lake 2134 Comment
  RSA183694  Lewisia cotyledon Gilbert Muth 1965-8-5 306 Siskiyou Steep alpine slope, N slope of Marble Rim, near Black Mtn Comment
  RSA215601  Lewisia leeana Gilbert Muth 1969-8-10 1338 Siskiyou Ridge W of Boulder Peak. 2409 Comment
  HSC92935  Lewisia triphylla Jennifer Whipple 1976-7-2 1279 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC24052  Lewisia triphylla J. O. Sawyer 1971-7-2 2403 Siskiyou 1463 Comment
  CAS-BOT-BC283818  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  UCD65602  Leymus triticoides Mr. Roseman 1913-1 4 Siskiyou Butte Valley. Comment
  UCD88001  Leymus triticoides H. S. Yates 1936-6-21 5814 Siskiyou 6 miles N of Gazelle. 792 Comment
  HSC69244  Ligusticum californicum Maralyn A. Renner 1980-8-6 2340 Siskiyou Cracker Meadow 1555 Comment
  RSA237214  Ligusticum californicum Frederick W. Oettinger 1968-8-3 381 Siskiyou Forest at Base Camp Meadow midway down Diamond Lake-Hancock Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA233697  Ligusticum grayi R. F. Thorne, Fred Oettinger 1969-8-10 38967 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC1400373  Ligusticum grayi Robert F. Thorne and Fred Oettinger 1969-8-10 38967 Siskiyou s. slope Mt. Shasta (Panther Creek Meadows); Mt. Shasta nat'l Forest, , Panther Creek Meadows 2194 Comment
  UC454439  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  HSC36665  Lilium kelleyanum Brent Whitely 1975-6-28 92 Siskiyou 915 Comment
  HSC67682  Lilium kelleyanum John S. Palmer 1980-7-24 623 Siskiyou Elk Hole 1503 Comment
  CAS-BOT-BC130817  Lilium pardalinum Doris K. Kildale 1929-7-20 8631 Siskiyou Trail up South Fork Indian Creek to Elk Lick 1219 Comment
  CAS-BOT-BC510692  Lilium vollmeri Gilbert Muth 1966-7-19 422 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mountains 1828 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133016  Lilium washingtonianum subsp. purpurascens H. A. Thomas; J. H. Thomas 1954-7-25 4543 Siskiyou Salmon - Trinity Mts., below Rush Creek Meadow along Rush Creek, about 8 miles E of Cecilville 1828 Comment
  CAS-BOT-BC123090  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  UCR246373  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou Klamath Range (KR), I-5 southbound, near exit 730 for central Dunsmuir 750 Comment
  SEINET3163745  Linanthus bicolor G. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  UC164131  Linanthus bolanderi Geo. D. Butler 1909-4-26 611 Siskiyou near Oro Fino Comment
  UC163841  Linanthus ciliatus Geo. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  UC537991  Linanthus harknessii Louis C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek Siskiyou Mts., Sterling Mt. 1676 Comment
  CAS-BOT-BC509126  Linanthus pungens Dana York 2011-8-13 3066 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, summit of Black Marble Mountain 2268 Comment
  JEPS82719  Linnaea borealis var. longiflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat; (next to Del Norte County) 1143 Comment
  UC609319  Linum lewisii Eleanor Burks Hart 1938-8-18 902 Siskiyou upper edge of Big Meadow Big Meadow 2286 Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  HSC61604  Listera convallarioides Ruby Van Deventer 12 Jul [year missing] Siskiyou Lookout Mountain Comment
  CAS-BOT-BC36010  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  RSA697648  Lithocarpus densiflorus var. densiflorus Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  JEPS87856  Lithocarpus densiflorus var. echinoides Vernon H. Oswald and Lowell Ahart 1994-7-11 6408 Siskiyou 1.9 mi sw of the dam at Lake Siskiyou (Forest Road 26 (to Mt. Shasta) along this section of road); Forest Road 26 1036 Comment
  CDA25411  Lithophragma affine T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC29452  Lithophragma campanulatum Frederick W. Oettinger 1969-7-9 942 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1829 Comment
  HSC44954  Lithophragma glabrum J. O. Sawyer 1978-6-16 3219 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC64841  Lithophragma parviflorum J. P. Smith 1973-5-5 6531 Siskiyou Scott Bar along the Scott River Comment
  HSC64863  Lithophragma parviflorum J. P. Smith 1976-5-5 8705 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  CDA40609  Lithospermum ruderale D. Janssen & F. D. Horn 1978-5-15 s.n. Siskiyou West of Hotlum Road, northeast of Weed. 0 Comment
  RSA715955  Lolium perenne L. Ahart 2005-6-10 12064 Siskiyou South edge of irrigation pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  RSA237414  Lomatium dissectum var. multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1186 Siskiyou W-facing slope on E side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS80513  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mt. Wilderness Area Marble Mt. Wilderness Area, Marble Rim 2194 Comment
  UC106273  Lomatium macrocarpum Brandegee July 1887 Siskiyou Edgewood Comment
  UC337570  Lomatium macrocarpum J. G. Lemmon 1889-6-26 Siskiyou Mountains near Edgewood Comment
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Jun 26 2012
  JEPS120265  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -055 Siskiyou South Fork WIllow Creek, foothills of N side Scott Mountain. Td. 42N19 Sec. 30.; ca. 1 mile S of Gazelle-Callahan Hwy Comment
  RSA237416  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 987 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA78838  Lomatium macrocarpum P. A. Munz 1952-7-2 17916 Siskiyou Road to Baldy Mountain about 6 miles by air west of Happy Camp, Siskiyou Mountains 1448 Comment
  RSA48583  Lomatium nudicaule P. A. Munz 1949-5-18 13305 Siskiyou South of Callahan on road to Trinity Center 1524 Comment
  SEINET11121385  Lomatium peckianum L. Constance 1964-1 s.n. Siskiyou 5.2 miles S of Yreka. 792 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
  HSC65101  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3868 Siskiyou 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
  POM46730  Lonicera interrupta E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon. Comment
  UC144467  Lotus crassifolius var. crassifolius A. A. Heller 1905-6-5 7972 Siskiyou between Shasta Retreat and Shasta Springs Comment
  RSA105331  Lotus nevadensis G. D. Barbe 1955-6-28 011 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  JEPS75659  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou Yreka Comment
  UC163799  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou near Yreka Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  UC917243  Lotus oblongifolius var. oblongifolius R. Tofsrud and J. M. Tucker 1948-8-3 1777 Siskiyou 3 mi (by road) below Happy Camp to Waldo, Oreg. road summit Comment
  HSC26153  Lotus unifoliolatus var. unifoliolatus J. P. Smith, J. O. Sawyer 1972-9-14 5805 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  CAS-BOT-BC140213  Luetkea pectinata G. J. Muth 1969-8-10 1330 Siskiyou Ridge w. of Boulder Peak 2346 Comment
  POM210884  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  UC1971262  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou PRESTON PEAK: Summit ridge. North side. Comment
  UCR80256  Luetkea pectinata L. C. Wheeler 1934-8-14 3121 Siskiyou Siskiyou Mtns., 1 mile west of White Mt. 1921 Comment
  RSA34240  Luina hypoleuca C. B. Wolf 1927-8-27 1138 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  RSA119494  Lupinus C. P. Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  SEINET10832926  Lupinus albicaulis subsp. shastensis Katherine L. Morris 1973-5-25 Morris 272 A Siskiyou 20.7 miles e of mccloud on hwy 89 in an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  RSA519115  Lupinus albicaulis var. albicaulis S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  RSA11951  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3853 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  SEINET10874219  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney creek. Sw facing slope, volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus, and arctostaphylos 1250 Comment
  POM24895  Lupinus arbustus Geo. D. Butler 1909-6-22 917 Siskiyou Goosenest Foothills. 1524 Comment
  JEPS64987  Lupinus bicolor Geo. D. Butler 1909-5-30 Siskiyou Yreka Comment
  POM23593  Lupinus bicolor subsp. tridentatus Geo. D. Butler 1910-4-16 1190 Siskiyou Yreka. Comment
  CAS-BOT-BC215192  Lupinus croceus Doris K. Kildale 1928-7-2 5343 Siskiyou Salmon Summit Trail, Horn Creek Trail 1981 Comment
  CAS-BOT-BC215196  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 1524 Comment
  RSA372142  Lupinus croceus P. Kenney, Conrad, Dunn, O. Kenney 1973-6-4 384 Siskiyou Along road from Cecilville to Callahan; 6.4 mi W of Callahan. 1738 Comment
  SEINET3166566  Lupinus croceus var. croceus R. W. Spellenberg 2006-6-19 13747 Siskiyou 35 air km WSW of Weed on Calif. Hwy. 3, 8.5 km Sof jct with Callahan-Gazelle Rds., 1.6 km N of Scott Mtn. Summit 1525 Comment
  HSC32770  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  POM24242  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  LA93396  Lupinus latifolius var. latifolius J. M. Tucker; 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area 1462 Comment
  SBBG10899  Lupinus lepidus var. sellulus H. and M. Dearing 1938-6-28 2180 Siskiyou McCloud Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  JEPS80547  Lupinus lepidus var. sellulus Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on backside Black Mt. (Marble Mt. Wilderness Area); , backside of Black Mt. 2133 Comment
  UCD108577  Lupinus lepidus var. sellulus Freed W. Hoffman 1948-7-13 2652 Siskiyou north of Tennant on Butte Creek road. 1295 Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 Comment
  SD121782  Lupinus lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou King's Castle [SBBG 47507, an apparent duplicate, adds Marble Mtns.] Comment
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Jul 11 2010
  HSC45897  Lupinus luteolus Laura Witherspoon 1978-8-2 10 Siskiyou Klamath National Forest Comment
  HSC67777  Lupinus lyallii J. O. Sawyer, J. Cole 1980-7-21 3872 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  SEINET7040262 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  HSC76486  Lupinus sellulus var. lobbii B. J. Cox, D. B. Dunn 1971-6-9 2807 Siskiyou 11 mi. N of Weed, on Hwy. 97 1250 Comment
  SEINET10490891  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4425 Siskiyou 1/2 mi n of igerna. Comment
  SEINET13095207  Lupinus shastensis A. A. Heller 1905-6-13 8024 Siskiyou Near Shasta Springs. Comment
  HSC99343  Luzula comosa G. L. Clifton, Griswold 1979-6-28 6134 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA238893  Luzula comosa Frederick W. Oettinger 1968-8-11 486 Siskiyou On W side of the alder thicket just below Tom Taylor Cabin Spring. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC441293  Luzula macrantha W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink Meadow Comment
  HSC103819  Lycium barbarum G. Fred Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou East side of I-5 at Klamath River rest area, ~10 mi. N of Yreka; former homestead 640 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  SEINET3155226  Lythrum adsurgens G. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  RSA120868  Machaeranthera canescens var. shastensis H. K. Wagnon 1957-8-11 1701 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road, along road to Brewer's Creek Comment
  SEINET11806038  Madia bolanderi C. G. Pringle 1882-1 s.n. Siskiyou about Mt. Shasta Comment
  JEPS40340  Madia elegans Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones; Moffett Creek Comment
  UC165392  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou near Yreka Comment
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Jan 23 2011
  JEPS15376  Madia elegans Douglas Barbe 1955-7-7 141 Siskiyou e side Forest Camp; Klamath Mountains, Etna 883 Comment
  SEINET11601396 Image available Madia glomerata L. C. Wheeler 1934-9-4 3244 Siskiyou Bear Creek, off West Fork Beaver Creek 1981 Comment
  SEINET11601402 Image available Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  UC1034071  Madia gracilis W. B. Cooke 1941-7-31 16126 Siskiyou Bear Springs area Mount Shasta Comment
  RSA78948  Mahonia aquifolium E. K. Balls, P. C. Everett 1952-10-12 4500 Siskiyou 1.7 mi. w. of boundary of Lava Beds Nat l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  HSC24692  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-7-16 1142 Siskiyou W of Waterdog Lake 2073 Comment
  HSC44852  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA264977  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mountain, near Seiad Valley 1756 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  HSC69332  Maianthemum stellatum John Palmer 1980-8-13 760 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  SEINET7881717 Image available Malacothrix floccifera H. L. Mason 1950-1 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 914 Comment
  HSC176  Malva neglecta William J. Ferlatte 1966-8-3 261 Siskiyou Mtn. Meadow Ranch 1524 Comment
  UC1265395  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou n side Tom Lake Basin (vicinity of English Peak, Marble Mt Wilderness Area, Salmon Mtns); Salmon Mtns, Marble Mt Wilderness Area 1950 Comment
  HSC21983  Melica bulbosa J. O. Sawyer 1969-7-16 1140 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  UC673173  Melica californica Lincoln Constance and Reed C. Rollins 1942-5-14 2934 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  RSA403522  Melica fugax M. B. Dunkle 1945-1 9361 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  CHSC72237  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1998-9-16 9635 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1231 Comment
  HSC63584  Mentha canadensis J. P. Smith, Steve Selva 1970-8-7 4542 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  JEPS44110  Mentzelia albicaulis W. B. and V. G. Cooke 1965-7-12 35170 Siskiyou below railroad crossing (Along Bolam Road); Mt. Shasta Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  CHSC30253  Menyanthes trifoliata M. S. Taylor; Roderick Williams, B. Williams 1980-6-23 2945 Siskiyou Aquatic in Cedar Lake, 11 mi sw of Mt. Shasta City. 1737 Comment
  CAS-BOT-BC428548  Micranthes aprica Alice Eastwood 1912-8-30 2012 Siskiyou Mount Eddy Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC429157  Micranthes odontoloma Annie M. Alexander; Louise Kellogg 1949-7-24 5859 Siskiyou Trail to Bear Lake, Paradise Lake, Marble Mountains. 1920 Comment
  UC166150  Micropus californicus var. californicus Geo. D. Butler 1909-5-30 990 Siskiyou near Yreka Comment
  CAS-BOT-BC349370  Microseris nutans Alice Eastwood 1921-7-29 10947 Siskiyou Medicine Lake Comment
  POM229882  Microseris nutans L. C. Wheeler 1935-6-27 3607 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  RSA68882  Microseris nutans A. E. Culbertson 1943-7-1 74 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 air miles of its headwaters to the west 1657 Comment
  HSC61897  Mimulus breweri Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UCD122627  Mimulus floribundus Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  JEPS8210  Mimulus layneae W. L. Jepson 1894-8-9 36 m Siskiyou Shasta Springs Comment
  JEPS8234  Mimulus layneae W. L. Jepson 1894-8-9 34 m Siskiyou above Shasta Springs (Horseshoe Bend); Shasta Region Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  UC164257  Mimulus moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake Shackleford Creek Comment
  RSA105434  Mimulus moschatus G. D. Barbe 1955-6-30 55 Siskiyou 0.6 mile northwest of Forest Camp, Etna. Along Johnson Creek. 915 Comment
  HSC42944  Mimulus moschatus var. moniliformis J. O. Sawyer, Ken Stillman 1976-7-1 2780 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  POM43845  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-7-8 1685 Siskiyou Shackleford Creek. 1220 Comment
  JEPS22410  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  JEPS3167  Mimulus nanus var. nanus George D. Butler 1908-6-29 60 Siskiyou Cherry Creek 1066 Comment
  LA94996  Mimulus nanus var. nanus J. M. Tucker; 1963-7-7 3724 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  RSA535449  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10 mi NE of Weed along Hwy 97, NW side of road. 1150 Comment
  HSC36560  Mimulus primuloides J. O. Sawyer 1969-8-5 1732 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS84016  Mimulus primuloides subsp. linearifolius L. R. Heckard with J. Hickman et al. 1986-7-17 6480 Siskiyou 0.2 mi w Cook and Green Pass 1540 Comment
  CAS-BOT-BC388879  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou Between Igerna and Weed Comment
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC166123  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou near Yreka Comment
  HSC25490  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5718 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC722977  Minuartia nuttallii subsp. gregaria C. L. Hitchcock and J. S. Martin 1939-7-7 5279 Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  UC852410  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  UCD63244  Minuartia nuttallii subsp. gregaria Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  POM208272  Minuartia nuttallii subsp. gregaria L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  CAS-BOT-BC181113  Minuartia nuttallii var. gregaria Lillian Mott 1976-7-18 53 LM76 Siskiyou Along road to Lily Pad Lake west of Cook and Green Pass 1463 Comment
  CAS-BOT-BC181166  Minuartia rubella Harley P. Chandler 1901-6-1 1673 Siskiyou Marble Mountain 2438 Comment
  HSC61891  Mitella trifida Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC22248  Monardella glauca J. O. Sawyer 1969-7-9 1219 Siskiyou Along trail to Sugar Lake. 1768 Comment
  LA62572  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  CAS-BOT-BC220358  Monardella odoratissima subsp. pallida J. G. M. 1969-8-6 s.n. Siskiyou Boulder Peak Comment
  CAS-BOT-BC220368  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-8 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  JEPS63407  Monardella odoratissima subsp. pallida W. L. Jepson 1894-8-4 50 b Siskiyou Halfway up mountain from Sisson; Mt. Shasta Comment
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  UC2035914  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-7-12 15349 Siskiyou Along the Sisson Southern Trail near the S. S. Trail spring, Mount Shasta Comment
  CAS-BOT-BC222168  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC220229  Monardella sheltonii H. A. Thomas; J. H. Thomas 1954-7-22 4442 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC220231  Monardella sheltonii Carl B. Wolf 1927-8-26 1078 Siskiyou On the Klamath River near Hamburg Comment
  CAS-BOT-BC220235  Monardella sheltonii Alice Eastwood; John Thomas Howell 1940-6-14 824 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  CAS-BOT-BC220236  Monardella sheltonii Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  UC2035869  Monardella villosa subsp. villosa C. Epling 1938-6-12 Siskiyou Between Happy Camp and Orleans 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
  HSC33979  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  CAS-BOT-BC262613  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area. Up across Marble on east side of Black Mtn. 2103 Comment
  UC196950  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley 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
  RSA239108  Muhlenbergia filiformis Frederick W. Oettinger 1969-8-22 1492 Siskiyou Horse Hole pond, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC204922  Muhlenbergia filiformis unknown 11704 Siskiyou near Deetz Station (6 mi n of Sisson) Comment
  JEPS95111  Muhlenbergia jonesii Vernon Oswald and Lowell Ahart 1997-7-28 8784 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 Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  UC1266286  Muhlenbergia jonesii John R. Reeder and Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 mi sse Bartle 1219 Comment
  RSA795332  Myosotis laxa L. Ahart, John Dittes 2010-7-30 16944 Siskiyou About 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake., 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CHSC28790  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  JEPS1360  Nama lobbii W. L. Jepson 1940-6-30 20071 Siskiyou 6 mi e McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp, e of McCloud 944 Comment
  CHSC96709  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  CAS-BOT-BC230310  Navarretia heterandra Alice Eastwood 1912-7-20 1266 Siskiyou Hornbrook Comment
  JEPS70351  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou Oro Fino 853 Comment
  UC1112262  Navarretia leucocephala subsp. minima R. C. Bacigalupi with S. Galen Smith 1957-6-26 5935 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  RSA495513  Nemophila parviflora var. parviflora Elaine Joyal, D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  JEPS12283  Nicotiana attenuata Geo. D. Butler 1908-7-13 19 Siskiyou near Yreka (Butler's ranch) Comment
  RSA714941  Nicotiana attenuata M. E. Fishbein, Lane Greer 2006-8-4 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi northeast of Medicine Lake. 1650 Comment
  RSA426687  Nicotiana bigelovii Edwin Kline 1920-06 14857 Siskiyou Siskiyou Mtns. Comment
  CHSC93558  Nitrophila occidentalis Lowell Ahart; John Dittes 2005-6-9 12005 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
  JEPS107919  Nitrophila occidentalis Lowell Ahart, John Dittes 2005-6-9 12005 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
  RSA478854  Nitrophila occidentalis L. C. Wheeler 1934-10-21 3341 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  CAS-BOT-BC65379  Noccaea fendleri subsp. glauca R. C. Wenk 2008-7-24 935 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge south of lake. 1981 Comment
  UC2013020  Noccaea fendleri subsp. glauca Barbara Ertter 1990-7-14 9337 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  POM254350  Noccaea fendleri subsp. glauca C. L. Hitchcock, J. S. Martin 1939-7-7 5278 Siskiyou Whiskey Lake, 1/2 mile above Camp Chicago, on Sanger Peak Trail 1463 Comment
  UC455517  Nothocalais alpestris I. J. Condit 1911-7-27 Siskiyou near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC349923  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 mi. NW. Schonchin Butte, (along road) Lava Beds Nat'l Monument 1402 Comment
  JEPS84080  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  UC637029  Nothochelone nemorosa Edward Lee 1934-8-14 1107 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line); Siskiyou-Del Norte County line 1865 Comment
  POM250708  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just SE of summit. Siskiyou Mts. 1402 Comment
  RSA211302  Nothochelone nemorosa William J. Ferlatte 1967-8-21 1076 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  OBI6045  Notholithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou Cut over PIne forest, 4 mi above jctn of McCloud rd with the Pacific Hwy 1189 Comment
  JEPS40273  Nuphar lutea subsp. polysepala Geo. D. Butler 1908-8-3 525 Siskiyou Log Lake Comment
  UC166143  Nuphar lutea subsp. polysepala Geo. D. Butler 1910-7-8 1667 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  HSC29309  Nuphar polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou Marble Mtn. Wilderness Area, English Lake near inlet 1753 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
  CDA7550  Onopordum acanthium T. C. Fuller, Bill Huse 1959-7-13 2748 Siskiyou Jack Crawford Ranch, Tulelake. 0 Comment
  CDA7551  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Greenhorn Valley, ca. 2 miles west of Yreka. 0 Comment
  UCD134659  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  HSC62473  Orobanche fasciculata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  RSA0059425  Orobanche fasciculata Frederick W. Oettinger 1969-7-28 1092 Siskiyou HIgh lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Hairpin switchback along trail from Tom Taylor Cabin to Pine Lake. 2004 Comment
  HSC78323  Orogenia fusiformis L. P. Janeway 1983-7-17 419 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC458075  Orthilia secunda Annie M. Alexander; Louise Kellogg 1949-7-28 5877 Siskiyou Marble Mountains: Sky High Valley 1767 Comment
  HSC29319  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou Marble Mtn. Wilderness Area, N of English Peak on way down to Upper English Lake 1951 Comment
  HSC65561  Orthilia secunda R. White 1977-7-21 130 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  CAS-BOT-BC458074  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Mts.: Marble VAlley 1828 Comment
  CAS-BOT-BC458076  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  UCSB26648  Orthilia secunda Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  RSA237570  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou East of Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA12498  Orthocarpus cuspidatus subsp. cuspidatus Carl B. Wolf 1934-7-4 5938 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC61183  Osmorhiza berteroi W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC1400369  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e bank, trail side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  CAS-BOT-BC316750  Packera cana Arthur L. Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC316760  Packera cana A. Heller 1921-7-17 s.n. Siskiyou Occasional on the long gravelly slope of Mt. Eddy west of Wagon Creek.Hudsonian 2286 Comment
  UC128741  Packera streptanthifolia W. T. Mooney June 1902 Siskiyou Yreka Comment
  CAS-BOT-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  UCD89493  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest of Mt. Shasta City. Along Castle Lake Road 1036 Comment
  CAS-BOT-BC253811  Panicum dichotomiflorum Henry Pollard 1956-10-7 s.n. Siskiyou Klamath River on Spink's Ranch at Roger's Creek about 5 miles above Somes Bar Comment
  CAS-BOT-BC422851  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  CAS-BOT-BC422855  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  JEPS24797  Parnassia californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6806 Siskiyou at sw end of Castle Lake, headwaters of Sacramento River Sacramento River; Castle Lake, Sacramento River 1661 Comment
  JEPS84272  Parnassia californica L. R. Heckard with J. Hickman 1986-7-16 6442 Siskiyou 5 mi n of the town of Seiad Valley (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  CAS-BOT-BC419730  Parnassia fimbriata Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -085 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  CHSC1647  Parnassia fimbriata V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175609  Parnassia palustris William A. Dayton 1913-9-15 599 Siskiyou Shasta National Forest. E. Fk. of Scott River Range 1676 Comment
  JEPS16030  Pastinaca sativa W. L. Jepson July, 1894 14262 Siskiyou Sisson Comment
  UC1071573  Paxistima myrsinites H. S. Yates 1936-6-21 5828 Siskiyou n. base Wintoon butte; Dunsmuir Quad. Comment
  UC1185941  Paxistima myrsinites L. E. Detling 1950-6-9 6598 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  UC60927  Paxistima myrsinites Geo. B. Grant September 1902 5153 Siskiyou Mt. Shasta, Sisson 914 Comment
  POM72145  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  SEINET13355128  Pectocarya pusilla G. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  POM43388  Pedicularis aurantiaca Geo. D. Butler 1324 Siskiyou Goosenest foothills. 1524 Comment
  RSA68859  Pedicularis aurantiaca A. E. Culbertson 1943-6-29 97 Siskiyou Castle Lake, 5434', in a north facing cirque with and abrupt 1000' backwall; 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  HSC96304  Pedicularis bracteosa var. flavida Gordon Leppig 1998-8-13 1005 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  UC221507  Pedicularis racemosa H. E. Brown Jul 1 1897-Jul 15 1897 488 Siskiyou n side of Mount Shasta 1524 Comment
  CAS-BOT-BC67677  Pellaea brachyptera Doris K. Kildale 1928-7-4 5495 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  UCSB51237  Pellaea brachyptera Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  CAS-BOT-BC67687  Pellaea brachyptera Geo. D. Butler 1910-8-1 1820 Siskiyou Humbug Mt. 1371 Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  JEPS84174  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6423 Siskiyou ca. 5 mi. n. town of Seiad Valley (cirque at head of Hell's Canyon, e. slope Kangaroo Mt.); Kangaroo Mt. 1828 Comment
  HSC4800  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1483515  Penstemon anguineus John Palmer 1980-8-13 757 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  RSA211396  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou North side of Caribou Mtn. Trinity Alps. 1982 Comment
  CHSC71331  Penstemon cinereus Vernon H. Oswald 1998-6-11 9190 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC1408797  Penstemon davidsonii var. davidsonii Robert F. Thorne and Fred Oettinger 1969-8-10 39005 Siskiyou Mout Shasta, S slope Mount Shasta National Forest (above ski-lodge) 2377 Comment
  HSC63257  Penstemon deustus M. A. Baker 1979-7-31 1098 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  UC524279  Penstemon deustus var. pedicellatus Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold Modoc Lava Beds, Captain Jack's Stronghold Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  UC618810  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11546 Siskiyou around the Horse Camp Flats (Horse Camp, Mount Shasta); Mount Shasta, around the Horse Camp Flats 2438 Comment
  SEINET13709361  Penstemon heterodoxus Lowell William Ahart, Lowell William Ahart, V. H. Oswald 1998-1 9329 Siskiyou Hwy. 97 Between Weed and Macdoel at E End Grass Lake (T44N, R3W, sec 24, SE 1/4) 5000 Ft. 1524 Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  HSC60145  Penstemon laetus subsp. sagittatus D. L. Goforth 1979-7-7 229 Siskiyou Klamath National Forest, Condrey Mtn. 1768 Comment
  SEINET7073530  Penstemon laetus var. laetus A. G. Vestal 1963-6-3 s.n. Siskiyou South of Gazelle on the east slope of lava hill on Gazelle-Callahan Road. UTM Zone 10, 535838mN, 4591995mN. Coordinate datum: NAD27. Comment
  NY604555  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4510 Siskiyou Cascade Range, Mount Shasta; along east side of US 97, ca. 5.1 miles northeast of jct. I-5 Business Loop in Weed. 1158.2 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  NY604546  Penstemon laetus var. sagittatus F. W. Pennell 1940-7-19 26193 Siskiyou Southwestern slope of Mount Shasta 1676.4 Comment
  NY604579  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5170 Siskiyou Weed, north side of town on Route 97. Observed to be ± continous to within 4 miles of Grass Lake. Comment
  RSA211394  Penstemon newberryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek. 2134 Comment
  UCD124310  Penstemon newberryi A. H. Murphy 1959-7-22 59 P Siskiyou Shasta National Forest, Porcupine Lake. 2286 Comment
  RSA101647  Penstemon newberryi subsp. newberryi Lilla Leach 1934-6-26 4872 Siskiyou Poker Flat. Comment
  RSA68889  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-7-10 67 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  JEPS15374  Penstemon newberryi var. berryi Douglas Barbe 1955-8-5 364 Siskiyou along trail from Big Flat to Caribou lake at summit of the trail, a point NW of Caribou Mountain Salmon Mountains 2407 Comment
  JEPS15385  Penstemon newberryi var. berryi Douglas Barbe 1955-7-9 150 Siskiyou Kangaroo Lake, S side Scott Mountains 1828 Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  NY627342  Penstemon newberryi var. newberryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  CHSC96095  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC19132  Penstemon parvulus J. O. Sawyer 1969-8-1 1684 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC81671  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6074 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  UC164348  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek 1371 Comment
  UC164357  Penstemon parvulus Geo. D. Butler 1909-7-15 937 Siskiyou Highland Mine Comment
  RSA50199  Penstemon parvulus E. K. Balls 1949-7-8 13905 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1738 Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  RSA29715  Penstemon roezlii Louis C. Wheeler 1935-6-9 3565 Siskiyou Yreka Creek. Siskiyou Mtns. 1220 Comment
  RSA44887  Penstemon roezlii J. C. Roos 1948-9-2 3947 Siskiyou 6 miles SW of Yreka. Comment
  CHSC1886  Penstemon rupicola V. Holt 1932-7-5 Siskiyou Castle Lake. 1981 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
  UC726669  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  UC887340  Penstemon speciosus Alice Eastwood 1912-7-17 1205 Siskiyou Sisson Comment
  RSA47610  Penstemon speciosus Roxana S. Ferris, Laura Lorraine 1948-6-12 11729 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC540345  Perideridia gairdneri subsp. gairdneri Dana York 2011-9-8 3089 Siskiyou Marble Mountain Wilderness: Klamath National Forest, slopes of Kings Castle 2175 Comment
  HSC49955  Perideridia leptocarpa G. L. Clifton, Ground 1978-6-27 1458 Siskiyou Near Wildcat Creek 1098 Comment
  HSC26898  Perideridia parishii subsp. latifolia J. P. Smith, J. O. Sawyer 1971-9-17 4780 Siskiyou Little Duck Lake Comment
  UCD77912  Perideridia parishii subsp. latifolia Robert E. Preston 2001-8-26 1757 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1877 Comment
  HSC74832  Persicaria amphibia J. P. Smith, J. O. Sawyer 1978-7-3 10001 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  POM40311  Petasites palmatus Geo D. Butler 1909-4-11 627 Siskiyou Shasta Springs. Comment
  CHSC4537  Phacelia J. E. Bowlin 1967-7-18 75 Siskiyou Off roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 Comment
  JEPS75572  Phacelia cookei W. B. and V. G. Cooke 1968-7-1 39233 Siskiyou Andesite Road near junction with U.S. Highway 97 (n base of mt.); Mt. Shasta 1524 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 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
  RSA249718  Phacelia dalesiana 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
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  JEPS1962  Phacelia egena Geo. D. Butler 1909-5-2 736 Siskiyou near Yreka Comment
  UC1034645  Phacelia hastata Milo S. Baker 1955-6-26 13077 Siskiyou between Weed and Gazelle; Shasta Val. 914 Comment
  CHSC36171  Phacelia heterophylla subsp. virgata K. Bridwell 1978-7-6 173 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  JEPS2081  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou 2 mi e Montague 822 Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CDA40413  Phacelia heterophylla subsp. virgata E. Hale 1984-5-8 s.n. Siskiyou At junction of Shasta and Klamath Rivers, near Yreka. 0 Comment
  JEPS25846  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with L. Constance and L. Heckard 1961-7-21 7472 Siskiyou along roadbank on state hwy 96 about 5 mi s Clear Creek ((or about 4 mi n of Swillup Creek)); Klamath River 292 Comment
  UC1055964  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  JEPS91088  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou North Coast Ranges, Gumboot Lake, headwaters South Fork Sacramento River Gumboot Lake; North Coast Ranges, Gumboot Lake 1950 Comment
  UC144629  Phacelia linearis A. A. Heller 1905-6-22 8089 Siskiyou Igerna 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
  HSC2392  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  HSC61876  Phacelia mutabilis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC1212564  Phacelia mutabilis Francia Chisaki and Helen Sharsmith 1959-8-20 4731 Siskiyou rock outcrop on Carrigher's Summit Inner North Coast Ranges (divide between Scott River and East Fork Salmon River) 1981 Comment
  JEPS100470  Phacelia pringlei Dean W. Taylor 2002-6-29 18201 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  UC1400325  Phacelia pringlei F. W. Oettinger 1969-7-25 Siskiyou near Kangaroo Lake Campground (ca 15 air mi sw of Weed); Shasta-Trinity National Forest, Scott Mts. Comment
  UC1023833  Phacelia pringlei Douglas Barbe 1955-7-26 276 Siskiyou spring on n slope Klamath Mountains, Scott Mtn. 1828 Comment
  JEPS1091  Phacelia procera Ruby Van Deventer 1938-7-31 203 Siskiyou Poker Flat w. Siskiyou Mts. 1584 Comment
  UC163994  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou Marble Valley Comment
  CAS-BOT-BC77409  Philadelphus lewisii C. H. M. 1907-9-26 s.n. Siskiyou Klamath Canyon near Shovel Creek Comment
  RSA0057586  Philadelphus lewisii Carl B. Wolf 1930-10-23 s.n. Siskiyou Along the Klamath River, 1 mi above Hamburg. 244 Comment
  SEINET3131072  Philadelphus lewisii var. californicus G. D. Butler 1910-6-12 1558 Siskiyou Yueka Creek Comment
  CAS-BOT-BC250788  Phleum alpinum Jason Swallen 1939-7-26 13750 Siskiyou Mount Shasta. Above Panther Creek Meadows Comment
  UCD37075  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD89299  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15-16 miles southwest of Mt. Shasta City. Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UC1024789  Phleum pratense Leo Whitney 1934-6-29 2233 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  RSA171513  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  HSC46003  Phlox diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS69943  Phlox diffusa Willis L. Jepson 1894-8-4 14990 Siskiyou Horse Camp Mt. Shasta Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  UC164097  Phlox hirsuta Geo. D. Butler 1910-4-10 1165 Siskiyou near Yreka Comment
  SEINET10638272  Phlox hirsuta Edward L. Greene 1876-1 Siskiyou Comment
  UC205784  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka hills Yreka Comment
  UC880539  Phlox speciosa subsp. occidentalis A. A. Heller 1915-7-16 12092 Siskiyou n side Mt. Eddy 1524 Comment
  HSC31489  Phyllodoce empetriformis Steve Selva, Roger Jensen 1974-8-23 41 Siskiyou Devils Punchbowl Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC760  Phyllodoce empetriformis William J. Ferlatte 1967-7-25 726 Siskiyou Caribou Basin 1982 Comment
  JEPS82486  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Black Mountain, Marble Mountain Wilderness Area Black Mountain; , Marble Mountain Wilderness Area 2011 Comment
  SEINET3108276  Phyllodoce empetriformis Steve Selva, Roger Jensen 1974-8-23 41 Siskiyou Collected in the environs of Devil's Punchbowl. Comment
  SFV2670  Phyllodoce empetriformis J. Major 1961-7-14 633 Siskiyou Mount Shasta, Panther Meadows Campground. 2271 Comment
  UC877014  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Marble Mountains, Elk Mountain Elk Mountain; Marble Mountains, Elk Mountain Comment
  SEINET2031085 Image available Phyllodoce empetriformis Joseph P. Tracy 1935-1 14406 Siskiyou Rock Lake; on ridge between Salmon and New Rivers; at extreme head of West Fork of Knownothing Creek. In a rocky snow cirque. 1890 Comment
  SEINET7270862  Phyllodoce empetriformis G. D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek 1829 Comment
  UC609320  Phyllodoce empetriformis Eleanor Burks Hart 1938-8-20 942 Siskiyou sw slope of Red Cap Red Cap 2255 Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  CAS-BOT-BC78166  Picea breweriana W. R. Dudley 1899-7-5 s.n. Siskiyou North slope of Siskiyou near Bartlett trail Comment
  CAS-BOT-BC78179  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  JEPS48372  Picea breweriana W. L. Jepson 1907-7-6 2857 Siskiyou ridge w Cudahay Valley; Marble Mt. Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UCD70126  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  CAS-BOT-BC78165  Picea breweriana William R. Dudley 1899-7-5 s.n. Siskiyou Spur of Siskiyou Mts. between branches of Illinois River 2133 Comment
  SDSU1544  Picea engelmannii D. F. Howe 1969-8-30 4680 Siskiyou Blake Creek, north fork of Salmon River, about 20 miles southwest of Aetna. 1829 Comment
  CAS-BOT-BC73397  Pinus albicaulis Peter H. Raven 1956-9-4 10416 Siskiyou On the summit of Mt. Eddy. 2758 Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  POM120194  Pinus attenuata Geo D. Butler 1908-8-26 518 Siskiyou Russian Creek 1220 Comment
  SEINET3871798  Pinus attenuata T. Charlet, David A. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta, lower southern slopes along State Highway 89, from a few miles east of McLeod to a few miles west of Bartle.; 0 Comment
  CAS-BOT-BC78411  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  HSC70593  Pinus balfouriana J. O. Sawyer, R. York 1981-8-21 224 Siskiyou Open ridges from Pacific Crest Trail to peak, Bulk Collection # 224 2324 Comment
  RSA215637  Pinus balfouriana Gilbert Muth 1969-8-10 1355 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  UC1313008  Pinus balfouriana J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3769 Siskiyou sw ridge Black Marble Mountain; Marble Mountain Wilderness Area, Black Marble Mountain 2133 Comment
  UC1713757  Pinus balfouriana Mastrogiuseppe 1967-7-1 Siskiyou High Camp Creek Comment
  HSC31498  Pinus contorta var. murrayana Steve Selva, Roger Jensen 1974-8-16 20 Siskiyou N shore of Sugar Lake. Comment
  HSC92116  Pinus contorta var. murrayana Jennifer Whipple 1978-10-6 2416 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC73145  Pinus lambertiana Wm. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail. 1524 Comment
  CAS-BOT-BC73146  Pinus lambertiana Wm. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail. 1524 Comment
  RSA24087  Pinus lambertiana C. B. Wolf 1940-12-11 9796 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  RSA624393  Pinus lambertiana L. C. Wheeler 1952-9-17 6937 Siskiyou Unspecified. Comment
  HSC69239  Pinus monticola Maralyn A. Renner 1980-9-1 2706 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC69521  Pinus monticola Maralyn A. Renner 1980-6-26 1287 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA624477  Pinus monticola L. C. Wheeler 1958-8-20 7409 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  JEPS120249  Piperia colemanii Julie Kierstead Nelson 2009-7-8 2009 -018 Siskiyou South slope of Mt. Shasta Comment
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Jul 8 2014
  UC725971  Plagiobothrys A. A. Heller 1929-5-4 14859 Siskiyou Yreka Comment
  JEPS77495  Plagiobothrys bracteatus Susan Horner 1978-6-30 403 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  RSA80219  Plagiobothrys bracteatus L. C. Wheeler 1934-6-3 2627 Siskiyou Cherry Flat, Klamath River 518 Comment
  SEINET13365287  Plagiobothrys bracteatus G. D. Butler 1910-5-29 1424 Siskiyou Near Yreka. Comment
  UC618700  Plagiobothrys hispidus Ivan Johnston 1938-7-22 11350 Siskiyou Shasta Fir Forest, Sisson Southern TrailShasta Fir Forest Mount Shasta; , Shasta Fir Forest, Sisson Southern Trail Comment
  HSC46221  Plagiobothrys shastensis Jennifer Whipple 1978-6-5 2331 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC163847  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou hills near Yreka Comment
  RSA237605  Plantago lanceolata Frederick W. Oettinger 1969-8-13 1363 Siskiyou Where stock are kept at English Lake main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA412564  Plantago lanceolata Bonnie C. Templeton 1957-6-23 s.n. Siskiyou Along the Scott River, near Callahan. Comment
  HSC30626  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above trail near Young's Cabin on N Fork of Salmon River, Salmon Mts. Comment
  HSC67923  Plantago major J. P. Smith, Steve Selva 1970-7-27 4515 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS83874  Platanthera leucostachys Wayne Roderick 1977-7-1 Siskiyou spring area trail to Lily Pad Lake; Siskiyou Mts., vicinity Cook and Green Pass 1706 Comment
  RSA237636  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou SW of Tabacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC725684  Platanthera sparsiflora A. A. Heller 1915-7-15 12088 Siskiyou Mt. Eddy 1828 Comment
  JEPS69767  Pleuricospora fimbriolata W. B. and V. G. Cooke 1972-7-6 45463 Siskiyou Mount Shasta, Mud Creek Dam Road Mount Shasta; , Mud Creek Dam Road 1127 Comment
  HSC30473  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou Hill above Smith Lake , Salmon Mtns. 1418 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  JEPS80532  Poa bolanderi Gilbert Muth 1966-7-17 402 Siskiyou trail to Lookout Marble Mt Wilderness Area 1828 Comment
  RSA239029  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SEINET7096775 Image available Poa bulbosa A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  HSC30561  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  UCD90950  Poa cusickii subsp. epilis A. H. M. 1955-7-29 5500 Siskiyou Klamath National Forest, Marble Mountains. Clear Lake. 1798 Comment
  CAS-BOT-BC246633  Poa howellii Alice Eastwood 1923-5-27 11950 Siskiyou Shasta Springs, on road to McCloud Comment
  SACT001940  Poa pratensis G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River. Comment
  SEINET10605106  Poa pratensis H. E. Brown 1897-6-1 Brown 374 Siskiyou Near Sisson 1084 Comment
  HSC103040  Poa pratensis subsp. pratensis J. P. Smith 2014-6-7 13898 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  UC196961  Poa pratensis subsp. pratensis Geo. D. Butler 1909-6-20 846 Siskiyou Yreka Comment
  UCD91986  Poa rhizomata G. L. Stebbins Jr.; A. A. Beetle 1942-5-31 3263 Siskiyou along Klamath River, 13 miles east of Hamburg. Comment
  HSC77024  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-25 52 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  HSC10245  Poa secunda subsp. secunda R. C. Wunner 1965-6-22 247 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  HSC69266  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-19 3694 Siskiyou Near FS Rd. 45N05 2018 Comment
  UCD52735  Podagrostis humilis Beecher Crampton 1956-8-21 3803 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS84251  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); ridge e of Kangaroo Peak, s of Lily Pad Lake 1900 Comment
  SEINET4557457  Polemonium californicum J. M. Tucker 1963-1 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  RSA215619  Polemonium californicum Gilbert Muth 1969-8-8 1292 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  UC164115  Polemonium micranthum Geo. D. Butler 1910-3-23 1137 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC6419  Polemonium pulcherrimum Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  RSA237352  Polemonium pulcherrimum Frederick W. Oettinger 1967-7-8 165 Siskiyou South of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC107054 Image available Polemonium pulcherrimum subsp. pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  UCR5684  Polygala cornuta O. F. Clarke 1966-8-6 660806- 01 Siskiyou 18 mi. north of Castella on turn out 1162 Comment
  SEINET11263756  Polygala cornuta George Neville Jones 1967-6-29 45675 Siskiyou Near Dunsmuir, lower slopes of Mt. Shasta.; 0 914 Comment
  SEINET3163465  Polygala cornuta var. cornuta G. B. Grant 1024 Siskiyou Sisson, S. Cal. 1128 Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  CAS-BOT-BC414313  Polygonum aviculare subsp. neglectum R. E. Frenkel 1963-7-15 226 Siskiyou On Everitt Memorial Highway near Mount Shasta, 4.7 miles north of McCloud River RR crossing 1545 Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  JEPS50520  Polygonum convolvulus W. L. Jepson 1894-7 14805 Siskiyou Sisson Comment
  RSA202129  Polygonum davisiae A Cutierrez 1966-8-24 s.n. Siskiyou Mt Shasta Ski Lodge. 2409 Comment
  UC922356  Polygonum davisiae Annie M. Alexander and Louise Kellogg 1949-7-20 5817 Siskiyou hill n Paradise Lake; Marble Mountains 1920 Comment
  RSA237753  Polygonum davisiae Frederick W. Oettinger 1967-8-23 319 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC58967  Polygonum douglasii G. L. Clifton 1975-7-28 5156 Siskiyou Near Cook and Green Pass 1646 Comment
  JEPS74478  Polygonum douglasii W. J. Ferlatte 1966-8-3 249 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UC1409208  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou on English Lake trail above Willow Spring (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC164407  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-9-6 198 Siskiyou near Yreka Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  UC637105  Polygonum sawatchense subsp. oblivium Annetta Carter 1934-8-15 714 Siskiyou summit of Happy Camp to Waldo (Oregon) road Klamath National Forest, Indian Creek Watershed 1615 Comment
  HSC28660  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  SD76188  Polygonum shastense Helen V. Witham 1969-10-9 602 Siskiyou on scree, Mt. Shasta 2400 Comment
  CAS-BOT-BC421071  Polygonum spergulariiforme Doris K. Kildale 1925-9-6 1282 Siskiyou Somes Bar near junction of Klamath & Salmon Rivers Comment
  CAS-BOT-BC421074  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  CAS-BOT-BC421075  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  CAS-BOT-BC421076  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Creek 1005 Comment
  RSA264962  Polygonum spergulariiforme E. Mark 1975-10-14 6199 Siskiyou Near Etna. 927 Comment
  HSC61295  Polypogon monspeliensis Ruby Van Deventer 1960-7-14 Siskiyou Road to Flint Valley 2 miles from Klamath River. 762 Comment
  SEINET182711 Image available Polypogon monspeliensis John P. Young 1921-9-13 Siskiyou Gazelle. Comment
  CAS-BOT-BC237393  Polypogon monspeliensis Carl B. Wolf 1927-8-26 1083 Siskiyou On the Klamath River, 14 miles above Happy Camp Comment
  HSC19289  Polystichum imbricans J. O. Sawyer 1969-7-10 1295 Siskiyou Ridges E of Russian Peak 2256 Comment
  HSC69324  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 732 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS24014  Polystichum imbricans subsp. imbricans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6875 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River) 396 Comment
  UCD78118  Polystichum kruckebergii Robert E. Preston 2001-6-23 1590 b Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  HSC92663  Polystichum lemmonii Jennifer Whipple 1976-8-20 1724 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  SEINET10754709  Polystichum lemmonii Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  JEPS109823  Polystichum lonchitis Dean W. Taylor 2005-7-12 19386 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of summit of Mt. Shasta) 1950 Comment
  CAS-BOT-BC72396  Polystichum lonchitis L. R. Short 1933-9-10 76 Siskiyou Rogue River National Forest 1889 Comment
  CAS-BOT-BC76681  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral, Russian Creek Comment
  UC371162  Polystichum munitum G. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral; Russian Creek 1219 Comment
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Jan 13 2007
  HSC79138  Polystichum scopulinum C. J. Thomas 1983-10-1 96 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  POM125368  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs. Comment
  UC1045306  Populus trichocarpa W. Bridge Cooke 1940-8-22 15455 Siskiyou lower valley of Mud Creek Mount Shasta; , lower valley of Mud Creek Comment
  CDA814  Potamogeton foliosus Doug Horn 1985-7-31 Siskiyou Flowing stream at Horn Ranch on Eastside Road, Etna. 0 Comment
  CAS-BOT-BC267227  Potamogeton robbinsii John Thomas Howell 1939-8-9 15196 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  JEPS57177  Potentilla fruticosa L. R. Heckard 1967-8-13 1697 Siskiyou summit region of Mt. Eddy 2743 Comment
  JEPS84267  Potentilla fruticosa L. R. Heckard with J. Hickman et al. 1986-7-17 6542 Siskiyou se Condrey Mt. (Alex Hole); se of Condrey Mt., Alex Hole 1960 Comment
  JEPS95566  Potentilla fruticosa Vernon H. Oswald and L. Ahart 1994-7-11 6402 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. Woody perennial growing on the rocky edge of the creek. 1783 Comment
  UC609368  Potentilla fruticosa Eleanor Hart 1938-8-16 Siskiyou Edge of Lower Wright Lake, east side 2072 Comment
  UCR64578  Potentilla gracilis William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow Ranch, weedy area around buildings 1524 Comment
  UC1128235  Potentilla gracilis var. fastigiata L. Whitney 1934-6-27 8 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  CHSC88109  Potentilla millefolia var. klamathensis Jenny Marr 1993-7-1 119 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC143314  Potentilla newberryi David D. Keck 1940-6-13 5173 Siskiyou Grass Lake 1540 Comment
  CAS-BOT-BC143315  Potentilla newberryi David D. Keck 1940-6-13 5173 Siskiyou Grass Lake 1540 Comment
  CAS-BOT-BC143316  Potentilla newberryi Gary Schoolcraft 1984-6-18 1228 Siskiyou On Big Tableland 9 mi. SW of Dorris, CA, 47-2-28 1356 Comment
  UCR52365  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  RSA183721  Prunella vulgaris var. lanceolata Gilbert Muth 1965-8-16 222 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC158200  Prunus emarginata Alice Eastwood 1923-5-18 11823 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  CAS-BOT-BC158231  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mile north of Entrance to Shasta Springs 914 Comment
  CAS-BOT-BC158234  Prunus emarginata L. B. Kildale 1930-6-1 9731 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CAS-BOT-BC158235  Prunus emarginata L. B. Kildale 1930-6-1 9790 Siskiyou Black Bear trail to Sawyers Bar Comment
  CAS-BOT-BC158236  Prunus emarginata Doris K. Kildale 1928-7-4 5516 Siskiyou Summit of Divide between Salmon River & Scott Valley Comment
  CAS-BOT-BC158241  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158244  Prunus emarginata A. M. Vollmer; L. Beane 1951-6-2 68 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  JEPS44721  Prunus emarginata W. L. Jepson 1940-6-28 20058 Siskiyou McCloud 975 Comment
  UC861016  Prunus emarginata Lewis S. Rose 1937-7-25 37595 Siskiyou Mount Shasta City 1158 Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC151238  Prunus virginiana var. demissa John Thomas Howell 1939-8-4 15051 Siskiyou Marble River, Marble Mts. 1889 Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  RSA237593  Prunus virginiana var. demissa Frederick W. Oettinger 1969-7-16 1040 Siskiyou SE side of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  SEINET7412306  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  CAS-BOT-BC357394  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  CAS-BOT-BC357395  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  CAS-BOT-BC357403  Pseudognaphalium microcephalum R. E. Frenkel 1964-10-2 919 Siskiyou On Everitt Memorial Highway, 4.7 miles north of McCloud River RR crossing, near Mount Shasta 1545 Comment
  SBBG21935  Pseudognaphalium thermale D. Myrick 1964-7-25 972 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  JEPS24016  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6877 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River); Portuguese Creek 396 Comment
  CAS-BOT-BC239807  Pseudoroegneria spicata D. M. Traugh 1933-5-25 63 Siskiyou Klamath National Forest 609 Comment
  HSC19088  Pseudostellaria jamesiana J. O. Sawyer 1969-7-18 1392 Siskiyou Head of S Russian Creek 1829 Comment
  HSC75250  Pseudostellaria jamesiana J. P. Smith, Steve Selva 1970-7-27 4512 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA789820  Pseudostellaria jamesiana Rebecca Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  UC54247  Pseudotsuga menziesii var. menziesii H. M. Hall and E. B. Babcock 1903-6-1 4077 Siskiyou near, n of Sisson Upton; Sierra Nevada, Mount Shasta 1219 Comment
  CHSC88367  Psilocarphus oregonus Jenny Marr 1993-7-1 173 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  HSC465  Pterospora andromedea William J. Ferlatte 1966-8-3 285 Siskiyou Josephine Lake basin 1677 Comment
  RSA45345  Pycnanthemum californicum Dorothy Parker 1946-8-17 s.n. Siskiyou Mill Lane, Plowman s Valley 1189 Comment
  RSA0082808  Pyrola aphylla M. B. Dunkle 1944-7-17 9119 Siskiyou Deer Creek. 1767 Comment
  JEPS58856  Pyrola asarifolia Willis L. Jepson 1894-8-4 14665 Siskiyou Mt. Shasta Comment
  HSC29320  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Tobacco Lake 1890 Comment
  RSA240092  Pyrola californica Frederick W. Oettinger 1969-8-9 1322 Siskiyou At the stream crossing that is crossed approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 1357 Comment
  HSC61507  Pyrola crypta Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1524 Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC462800  Pyrola dentata Doris K. Kildale 1929-8-24 9059 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC18921  Pyrola minor J. O. Sawyer 1969-8-1 1610 Siskiyou Behind Horseshoe Lake 1921 Comment
  CHSC33838  Pyrola picta J. D. Prouty 1981-7-13 1232 Siskiyou The W slope of Lookout Point. 1615 Comment
  HSC19203  Pyrola picta J. O. Sawyer 1968-7-2 357 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  JEPS58829  Pyrola picta W. L. Jepson 1902-7-19 2084 Siskiyou Near Jordan's Ranch, Summerville Comment
  JEPS93912  Pyrola picta Vernon H. Oswald and Lowell Ahart 1998-8-3 9432 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC1483416  Pyrola picta John Palmer 1980-8-15 968 Siskiyou ne of Seiad Low Gap on spur of Forest Road 46N50, Klamath National Forest Seiad Low Gap; Klamath National Forest, Forest Road 46N50 1097 Comment
  SEINET8205865  Pyrola picta R. Waring 1964-8-26 555 Siskiyou Red Butte, on southern boundary of Rogue River Nat'l Forest. 1737 Comment
  UCD47005  Quercus X morehus Frank T. Callahan II 1984-11-17 s.n. Siskiyou California, Siskiyou County: Anderson Grade Summit, north facing slope, east of I-5. 990 Comment
  HSC8314  Quercus chrysolepis C. B. Wolf 1927-8-26 1069 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  POM267241  Quercus chrysolepis Marion Ownbey, Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain. Comment
  UCD40473  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -25 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  JEPS74588  Quercus garryana var. breweri William J. Ferlatte 1973-7-30 1482 Siskiyou ca 1 mi se Big Flat (Yellow Rose Mine Trail); Trinity Alps 1828 Comment
  UCD46094  Quercus garryana var. garryana J. M Tucker 1948-8-3 1771 Siskiyou Ca. 0.6 mile west of Happay Camp, Siskiyou County, California. 335 Comment
  POM106357  Quercus kelloggii Geo. D. Butler 1910-4-16 1183 Siskiyou Klamath River. Comment
  UC705918  Quercus kelloggii Marion Ownbey, Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge Marble Mountain Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  JEPS80590  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Black Mt. Trail Marble Mt. Wilderness Area 1798 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
  CAS-BOT-BC104617  Quercus vacciniifolia William Bridge Cooke 1941-9-16 16320 Siskiyou along the Castle Lake Road 1219 Comment
  HSC534  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Yellow Rose Mine 1982 Comment
  POM166591  Quercus vacciniifolia E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy. 1433 Comment
  RSA237789  Quercus vacciniifolia Frederick W. Oettinger 1969-8-16 1399 Siskiyou Southwest of Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC637076  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCR95631  Quercus vacciniifolia L. C. Wheeler 1963-9-3 8345 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  UCSB1267  Quercus vacciniifolia Muller, Cornelius 1954-6-24 Siskiyou 4.8 mi. below summit of Salmon Mt. pass, 6 mi. SW of Etna Comment
  UC1565730  Raillardella argentea W. J. Ferlatte 1980-8-30 2027 Siskiyou ca 0.75 mi s China Mountain (ca 100 yds n of trail); Houston Creek Divide 2316 Comment
  UC1731566  Raillardella pringlei Glenn L. Clifton 1992-9-11 27384 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  UC165299  Ranunculus alismifolius var. alismifolius Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow Goosenest Mtn. 1676 Comment
  UC375271  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-7-4 361 Siskiyou Shasta River; near mouth Comment
  RSA238280  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Salamander Pond near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CDA24299  Ranunculus aquatilis var. subrigidus J. R. Grisham 1960-6-28 Siskiyou Abrams Lake, Mt. Shasta. 0 Comment
  SEINET3160893  Ranunculus canus G. D. Butler 1910-4-19 1199 Siskiyou near Yreka Comment
  SEINET5338464  Ranunculus canus G. Butler 1910-4-19 1199 Siskiyou Damp gully near Yreka. Comment
  RSA715780  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2005-6-9 12040 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  JEPS60720  Ranunculus eschscholtzii Geo. D. Butler 349 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  UC688900  Ranunculus eschscholtzii var. suksdorfii Vesta Holt 1943-8-7 M- 1 Siskiyou Marble Mountains Comment
  RSA238276  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1905 Comment
  UCD77229  Ranunculus occidentalis Robert E. Preston 2001-6-30 1631 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  RSA604737  Ranunculus occidentalis var. eisenii Louis C. Wheeler 1935-5-26 3535 Siskiyou Siskiyou Mts. 854 Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  SD88528  Ranunculus uncinatus Darley F. Howe 1972-7-4 Siskiyou Youngs Valley 1493 Comment
  UC1181802  Ranunculus uncinatus Dorothy Parker 1950-5-21 433 Siskiyou Fay Lane Siskiyou Mountains, Scott Valley (edges of swamp) 853 Comment
  RSA30439  Rhamnus californica subsp. occidentalis A. A. Heller 1915-8-26 12245 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  RSA7807  Rhamnus purshiana Doris K. Kildale 1928-7-25 5912 Siskiyou Klamath River Comment
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Jan 24 2013
  UCSB24750  Rhododendron macrophyllum Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass, north of Seiad Valley 1676 Comment
  SEINET4077328  Rhododendron maximum Unknown 1891-1 sn Siskiyou Hamburg. Comment
  CHSC30334  Rhododendron neoglandulosum M. S. Taylor 1980-7-1 3101 Siskiyou On nw side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  RSA471029  Rhododendron occidentale var. californicum B. C. Templeton 1960-6-21 8537 Siskiyou Between Callahan and the summit of Scott mts. Comment
  POM146272  Rhododendron occidentale var. paludosum J. B. Feudge 1927-7-22 1729 Siskiyou Trail [sisson] to Mt. Eddy. 1524 Comment
  JEPS48555  Ribes binominatum Hilda W. Grinnell 1935-6-8 Siskiyou head Dogget Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  UC775004  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou 12 mi ne Weed (on U.S. Highway #97 at junction with rd. to Montague); Little Shasta Valley 883 Comment
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Jan 17 2007
  SEINET4853858  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka. Comment
  SEINET5339657  Ribes inerme var. klamathense G. Butler 1910-4-9 1160 Siskiyou Ditch Bank Yrelsa Comment
  HSC61939  Ribes lacustre Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC1190178  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou s Mountain View Ranch ((7 mi above Cecilville), train crossing China Creek, above S. Fork of Salmon River); Salmon River 1301 Comment
  HSC19375  Ribes lobbii J. O. Sawyer 1968-9-28 738 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  HSC65646  Ribes lobbii J. P. Smith 1976-5-21 8777 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  JEPS82475  Ribes lobbii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  RSA0021143  Ribes lobbii P. A. Munz 1952-7-2 17888 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  SEINET13942602 Image available Ribes lobbii James Payne Smith Jr 1977-1 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. T40N, R9@, Sec 7. Elev 5000 ft 1524 Comment
  UCD102272  Ribes marshallii Roman Gankin; Brewer, Hildreth, and Milam 1965-8-10 605 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California-Oregon state line. Comment
  UCD78096  Ribes montigenum Robert E. Preston 2001-7-21 1713 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2036 Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  UC1608353  Ribes nevadense J. Kierstead 1991-6-3 91 -41 Siskiyou Lower Falls of the McCloud River McCloud Ranger Dist. 944 Comment
  RSA0022720  Ribes nevadense var. glaucescens J. T. Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA0022721  Ribes nevadense var. glaucescens Carl B. Wolf 1934-7-6 5990 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Rd. SW slopes of Mt. Shasta. 1220 Comment
  CAS-BOT-BC199982  Ribes roezlii var. cruentum John Thomas Howell 1937-7-26 13546 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC186288  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  RSA47629  Ribes roezlii var. roezlii Roxana S. Ferris, Laura Lorraine 1948-6-12 11775 Siskiyou 5.5 miles from Etna on forks of Salmon Road Comment
  UC164962  Ribes sanguineum Geo. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC144511  Ribes sanguineum var. sanguineum A. M. Vollmer; L. Beane 1951-6-2 79 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC144514  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-24 8608 Siskiyou Southeast spur Preston Peak 1950 Comment
  CAS-BOT-BC144515  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-20 8693 Siskiyou trail fm Elk Lick to Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC144516  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  UC165745  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou near Yreka Comment
  CAS-BOT-BC168791  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168794  Ribes viscosissimum A. M. Vollmer; L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC168795  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  CAS-BOT-BC168796  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou In vicinity of Paradise Lake, at the base on east side of Kings Castle, Marble Mountain Wilderness Area 1981 Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  JEPS74540  Ribes viscosissimum W. J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  UC11679  Ribes viscosissimum Harley P. Chandler June 1901 1597 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  JEPS90364  Rorippa columbiae Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9247 Siskiyou White Deer Lake; margin of stock watering pond, extreme ne portion of county 1508 Comment
  CAS-BOT-BC74659  Rorippa curvisiliqua Alice Eastwood 1921-7-28 10914 Siskiyou Medicine Lake. Comment
  NY345435  Rosa brownii H. E. Brown 1897-6-1 349 Siskiyou Near Mt. Shasta Comment
  HSC19382  Rosa gymnocarpa J. O. Sawyer 1968-6-25 347 Siskiyou Along Horse Range Creek 1646 Comment
  UC637137  Rosa gymnocarpa Edward Lee 1934-8-13 1090 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian 1463 Comment
  HSC29498  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou Marble Mtn. Wilderness area, Diamond Lake on way to English Lake 2058 Comment
  CAS-BOT-BC147310  Rubus parviflorus M. S. Baker 1897-7-1 163 Siskiyou Mayfield Road near Bartlis Comment
  HSC59595  Rubus ursinus J. P. Smith 1973-5-5 6500 Siskiyou Along Cook and Green Pass Rd. Comment
  UCR66495  Rubus ursinus L. C. Wheeler 1934-6-29 2824 Siskiyou Siskiyou Mtns, Soda Creek, Sterling Mountain 1280 Comment
  CAS-BOT-BC363171  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  SBBG30520  Rumex acetosella D. Myrick 1968-6-24 2001 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  HSC30285  Rumex acetosella William J. Ferlatte 1969-6-25 1177 Siskiyou Big Flat 1524 Comment
  HSC31036  Rumex crispus Frederick W. Oettinger 1969-8-13 1362 Siskiyou Marble Mtn. Wilderness Area, English Lake 1753 Comment
  JEPS39940  Rumex occidentalis W. L. Jepson 1913-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  CDA23190  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  RSA120933  Sagina decumbens subsp. occidentalis G. D. Barbe 1957-7-14 393 Siskiyou Salmon-Trinity Alps Wilderness Area, w/s of private road S of Big Flat Public Camp, Klamath National Forest. About 1 mile S of boundary gate. Comment
  UCD77983  Sagina procumbens Robert E. Preston 2001-7-20 1679 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1700 Comment
  RSA8226  Sagittaria cuneata Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain. Comment
  SDSU11444  Sagittaria cuneata D. F. Howe 1972-7-8 4882 Siskiyou Grass Lake, 21 mies north of Weed on #97 1524 Comment
  JEPS38484  Salix W. L. Jepson 1907-7-22 2952 Siskiyou Burhart's Ranch Hamburg; Klamath River, , Burhart's Ranch Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  CAS-BOT-BC103371  Salix bonplandiana Gordon H. True 1968-8-6 4580 Siskiyou On Yreka-Ashland Highway at Shasta River bridge, ca. 5 miles north of Yreka Comment
  POM167592  Salix boothii H. P. Chandler 1901-06 1547 Siskiyou Near Marble Mtn. 1829 Comment
  UC922325  Salix eastwoodiae Annie M. Alexander and Louise Kellogg 1949-7-21 5828 Siskiyou Paradise Lake; Marble Mts. 1920 Comment
  CAS-BOT-BC103760  Salix exigua Lewis S. Rose 1945-6-22 45171 Siskiyou Beaver Creek & Klamath River 548 Comment
  HSC43051  Salix exigua var. hindsiana Ken Stillman 1976-8-24 442 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UC506510  Salix exigua var. hindsiana B. S. and C. S. Ball 1933-9-21 2535 Siskiyou 5 mi s Hornbrook (beside Hwy. 99, on Klamath R.) Comment
  CAS-BOT-BC107783  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15156 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  UC144310  Salix lasiandra subsp. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  CAS-BOT-BC125478  Salix lasiandra var. lasiandra L. E. Smith 1914-5-5 652 Siskiyou Sisson Comment
  CAS-BOT-BC125480  Salix lasiandra var. lasiandra L. E. Smith 1913-4-2 621 Siskiyou Sisson Comment
  POM213970  Salix lasiolepis Isabelle C. Kimber 1934-6-9 17 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  RSA5699  Salix lasiolepis H. P. Bracelin 1931-6-19 410 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC375233  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou along creek near Yreka Comment
  POM219892  Salix lemmonii H. P. Bracelin 1931-6-19 415 Siskiyou NE side of Mount Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. Comment
  UCR133524  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, c. 16 km. northwest of Shasta City, above Metcalf ranch house 1455 Comment
  CAS-BOT-BC125694  Salix melanopsis Alice Eastwood 1923-5-29 11988 Siskiyou Shasta Springs Comment
  UC481730  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CAS-BOT-BC125692  Salix melanopsis W. R. Dudley 1907-8-23 s.n. Siskiyou South Fork Salmon by crossing of trail to 4 mile camp Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC19412  Salix scouleriana J. O. Sawyer 1968-6-18 198 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA12668  Salvia sonomensis Carl B. Wolf 1934-7-6 6026 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC456098  Salvia sonomensis I. J. Condit 1911-7-22 Siskiyou Sisson, on Shasta trail Comment
  SEINET8057832  Sambucus nigra G. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  UCD98478  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground. 579 Comment
  CAS-BOT-BC110341  Sarcobatus vermiculatus Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39040 Siskiyou Ca. 2 miles west of Lower Klamath National Wildlife Refuge. 1295 Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  UC1733718  Saxifraga Kay H. Beach, Frank Gould 1940-5-15 630 Siskiyou Bull Meadows Comment
  CDA25435  Saxifraga fallax T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  UC530059  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson Dairy; Siskiyou Mountains, Johnson Dairy 1706 Comment
  POM141796  Saxifraga howellii H. P. Chandler 1901-06 1613 Siskiyou Near Marble Mountain 2134 Comment
  JEPS6899  Saxifraga mertensiana W. Brookfield 1953-7-27 232 a Siskiyou near Paradise Lake (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1981 Comment
  RSA184815  Saxifraga nidifica var. claytoniifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  UC1360404  Saxifragopsis fragarioides Jack Major, M. Fleschner, and R. Pemble 1966-9-4 Siskiyou near top Marble Mountain; Marble Mountains 2225 Comment
  CAS-BOT-BC283653  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  JEPS124491  Schoenoplectus acutus var. occidentalis Daniel Slakey 2015-7-14 164 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  JEPS117616  Scirpus 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
  JEPS63801  Scirpus acutus var. occidentalis B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley, Gazelle Comment
  UC184170  Scirpus acutus var. occidentalis Geo. D. Butler 1909-10-10 1114 Siskiyou swampy place 1 mi n Yreka; n of Yreka Comment
  HSC62279  Scirpus microcarpus Al Hobart 1968-6-13 Siskiyou Young's Valley Comment
  UCD141272  Scirpus microcarpus S. S. Tillett 1956-7-9 641 Siskiyou county line, ca. 8 miles SE of Callahan. E of Scott Mountain. 1828 Comment
  UC852754  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Scott Valley Greenview; Scott Valley 883 Comment
  CDA2412  Sclerochloa dura C. S. Giebner 1963-5-6 Siskiyou Shasta Valley; Sedge Nelson property, opposite Game Refuge, Big Springs. 0 Comment
  POM112204  Scribneria bolanderi Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  UCR70884  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mtns, Yreka Creek 854 Comment
  CDA32674  Scribneria bolanderi J. T. Howell 1980-4-3 Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  UC1713597  Scutellaria antirrhinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6867 Siskiyou about 3 mi below (n of) Scott Mountain (road summit, on road to Callahan) 1219 Comment
  CAS-BOT-BC214252  Scutellaria nana Elmer I. Applegate 1935-6-6 9365 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  RSA0076354  Sedum lanceolatum C. L. Hitchcock, J. S. Martin 1939-7-9 5331 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  JEPS26913  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-22 2036 Siskiyou 5.7 mi s Happy Camp (2.7 mi n of Clear Creek on highway US299, w side of Klamath River); w side Klamath River, n of Clear Creek, s of Happy Camp Comment
  HSC83321  Sedum oblanceolatum J. M. O'Hare-Wade, S. Darington, S. B. Hogan, H. de Looze 1987-5-30 1 Siskiyou Along road from Cook and Green Pass to the Applegate River 1500 Comment
  CAS-BOT-BC64639  Sedum obtusatum subsp. boreale Robert Theodore Clausen; Harold Trapido 1940-7-26 4952 Siskiyou East side of Mud Creek Canyon, Mt. Shasta. 1706 Comment
  HSC19538  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-10 1300 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  CAS-BOT-BC278102  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25642 Siskiyou Above Forest Service Road 1040, 0.7 road miles above & S of Applegate River bridge; 1 air mile W of Abney Butte, Siskiyou Mountains, Klamath Range (KR) 720 Comment
  JEPS121415  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050, 2.5 air mile SSE of Windy Peak, Siskiyou Mountains Comment
  UC166614  Sedum spathulifolium Geo. D. Butler 1908-8-21 498 Siskiyou Etna Creek Comment
  CDA25381  Sedum spathulifolium D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  OBI1557  Selaginella scopulorum Lawrence L. Kiefer 1963-8-8 827 Siskiyou Vicinity of White Mtn (N of Town of Horse Crk), along trl from Siskiyou Summit to White Mtn 1524 Comment
  CAS-BOT-BC496374  Selaginella scopulorum Louis C. Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2090 Comment
  CAS-BOT-BC496375  Selaginella scopulorum Louis C. Wheeler 1934-8-14 3122 Siskiyou Siskiyou Mts., 0.5 mile W White Mt. 1920 Comment
  HSC43057  Selaginella wallacei Ken Stillman 1976-8-24 449 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC363937  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1323 Siskiyou Goosenest foothills 1676 Comment
  UC618630  Senecio integerrimus var. exaltatus unknown 1938-9-8 11675 Siskiyou East Fork of Panther Creek Mount Shasta 2286 Comment
  CAS-BOT-BC364428  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC22194  Senecio triangularis J. O. Sawyer 1969-8-3 1943 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  UC34193  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  SD88378  Senecio triangularis Darley F. Howe 1972-7-6 Siskiyou 5 miles south of Oregon state line on road to Happy Camp 1220 Comment
  UC1409367  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou ridges near Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC213139  Sidalcea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC76964  Sidalcea malviflora subsp. nana K. T. Stillman 1976-7-30 326 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  JEPS67290  Sidalcea oregana subsp. spicata W. L. Jepson 1940-7-3 20110 Siskiyou 5 mi se Bartle (Big Bear Flat); se of Bartle, Big Bear Flat 1219 Comment
  SEINET1004223  Sidalcea oregana subsp. spicata Mark Fishbein, Lane Greer 2006-1 5881 Siskiyou Paynes Springs, about 2 mi southeast of Medicine Lake. 1980 Comment
  UC140823  Sidalcea oregana subsp. spicata Dr. E. B. Copeland 1903-8-12 3822 Siskiyou Sisson Comment
  UCD13282  Sidalcea oregana subsp. spicata K. F. Mawdsley 1996-7-10 14 Siskiyou California, Siskiyou County. From Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5450. Comment
  CAS-BOT-BC181198  Silene campanulata subsp. glandulosa Clarence R. Quick 1958-6-17 58 -29 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  UC796448  Silene campanulata subsp. glandulosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11806 Siskiyou at Mule Creek crossing on Scott Mountain Road s Callahan; s of Callahan 1524 Comment
  CAS-BOT-BC181200  Silene campanulata subsp. glandulosa Thomas W. Nelson; Jane P. Nelson 1980-7-21 6160 Siskiyou Along Forest Service Road 40N08 ca. .6 miles from junction with State Route 3. 1645 Comment
  UC1409372  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-8-9 1315 Siskiyou High Lake Basins in the vicinity English Peak (below first river crossing, region of Abbott's Upper Cabin, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.); Marble Mountain Wilderness Area, Salmon Mountains 1524 Comment
  UCD98560  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou in and around the O'neill campground near Seiad Valley. 487 Comment
  HSC68107  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6495 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA790241  Silene douglasii Rebecca Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher s Peak. 2134 Comment
  UC60937  Silene grayi Geo. B. Grant September 1902 5094 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  RSA237870  Silene grayi Frederick W. Oettinger 1968-8-22 592 Siskiyou Near lookout, north slope of English Peak; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  RSA215598  Silene lemmonii Gilbert Muth 1969-8-8 1297 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  RSA47983  Silene lemmonii Roxana S. Ferris, Laura Lorraine 1948-6-12 11755 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC595107  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou 2 mi e Callahan (Scott Mountain Lodge, on E Fork Scott River at junction with Mill Creek); E Fork Scott River at jct w/ Mill Creek 1000 Comment
  UC1096832  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou just s of Weed; North Coast Ranges Comment
  CHSC57538  Sisyrinchium douglasii Lyna R. Black 1990-4-11 3 Siskiyou Approx. 1/2 mi ne of Yreka. N slope of hill. 822 Comment
  CDA39480  Sisyrinchium douglasii F. D. Horn & D. H. Shaw 1978-3-1 s.n. Siskiyou Shasta River Canyon near Yreka. 0 Comment
  JEPS80496  Smilacina racemosa Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  RSA96931  Smilax californica Percy C. Everett, E. K. Balls 1954-10-12 20273 Siskiyou Along Beaver Creek, N of Walker, 4.8 mi S from Beaver Creek Forest Service. 335 Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 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
  HSC100790  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the S edge of the Shasta River, ~100 yd. E of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, 5.7 (air) mi. SE of Grenada. 717 Comment
  CHSC72242  Solanum physalifolium var. nitidibaccatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9638 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. At roadside. 1243 Comment
  UC1560414  Solanum umbelliferum E. Joyal and D. Mehlman 1988-6-25 1272 Siskiyou Happy Camp-Takilma road at turn off to Bolan Lake 1524 Comment
  RSA427345  Solanum umbelliferum Christopher Davidson 1975-6-5 2653 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  RSA293120  Solidago canadensis subsp. elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8963 Siskiyou Half a mile north of Siskiyou-Trinity County line on State Route 3. Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  HSC38596  Solidago elongata J. P. Smith, J. O. Sawyer 1972-9-13 5782 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  CAS-BOT-BC365573  Solidago elongata Elmer I. Applegate 1923-9-7 3957 Siskiyou Doggett Ridge, Siskiyou Mountain, Klamath River canyon Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  CAS-BOT-BC158924  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  CAS-BOT-BC158925  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou West Fork Beaver Creek - Siskiyou Mts. 1676 Comment
  CAS-BOT-BC158926  Sorbus scopulina Alice Eastwood 1921-7-24 10761 Siskiyou Castle Lake Comment
  CAS-BOT-BC158939  Sorbus scopulina Doris K. Kildale 1928-8-18 6453 Siskiyou Lead of north fork of Salmon River at Finley's Upper Camp Comment
  HSC45150  Sorbus scopulina J. O. Sawyer, E. Cope 1977-6-19 2957 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  SEINET11919140  Sorbus scopulina J. P. Tracy 19478 Siskiyou in openings in woods,summit of the Siskiyous at crossing of the Takilma-Happy Camp Road 244 Comment
  UC1198763  Sorbus scopulina var. cascadensis Joseph P. Tracy 1935-8-1 14404 Siskiyou Rock Lake New River (between Salmon and; at extreme W. Fork of Knownothing Creek); Rock Lake, Knownothing Creek 1889 Comment
  CHSC106101  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2010-7-30 1936 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC390724  Spergularia rubra M. S. Baker; Frank Nutting 1894-5-20 s.n. Siskiyou Near Redding Comment
  CAS-BOT-BC149687  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  JEPS45019  Spiraea douglasii W. L. Jepson Jul 1894 13855 Siskiyou Sisson Comment
  LA212320  Spiraea douglasii Geo. E. Julian; 1962-7-20 s.n. Siskiyou Near trailer park in town of Mt. Shasta. Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC551  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  JEPS83876  Stachys palustris subsp. pilosa Wayne Roderick July 1976 Siskiyou along trail to Lily Pad Lake (vicinity Cook and Green Pass); Siskiyou Mts. 1706 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
  UC1045304  Stellaria borealis subsp. sitchana unknown 1940-8-22 15470 Siskiyou Mud Creek Canyon; Mount Shasta Comment
  HSC77793  Stellaria crispa L. P. Janeway 1983-9-11 654 Siskiyou Poker Flat 1524 Comment
  HSC29619  Stellaria crispa Frederick W. Oettinger 1969-8-4 1166 Siskiyou Marble Mtn. Wilderness Area, above inlet to Hancock Lake 1951 Comment
  UC165935  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou near Yreka Comment
  CAS-BOT-BC375642  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 Siskiyou Sisson Comment
  CAS-BOT-BC375646  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson Comment
  HSC19124  Stephanomeria lactucina J. O. Sawyer 1969-8-4 1796 Siskiyou Along C.C.C. road 1341 Comment
  CAS-BOT-BC375645  Stephanomeria lactucina A. A. Heller 1920-8-3 13491 Siskiyou Near Sisson Comment
  JEPS24625  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  HSC16332  Stephanomeria tenuifolia D. M. Thomson 1965-8-18 186 Siskiyou California Lava Beds National Monument; E slope of Caldwell Butte Comment
  UC166204  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones (along Light hill grade) Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC68567  Stipa lemmonii Maralyn A. Renner 1980-6-22 936 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  HSC81569  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6072 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC61123  Streptanthus barbatus L. E. Smith 1915-7-1 s.n. Siskiyou Castella. Comment
  HSC71172  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-7-24 4494 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  CHSC554  Streptanthus polygaloides G. Spurlock 1935-6-1 Siskiyou Comment
  CAS-BOT-BC87839  Streptanthus tortuosus Alice Eastwood 1912-7-23 1342 Siskiyou Cantara. Comment
  CAS-BOT-BC87873  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou On side of Sanger Peak. 1645 Comment
  CAS-BOT-BC87874  Streptanthus tortuosus Donald Myrick 1961-6-20 273 Siskiyou Near Mount Shasta City. 1066 Comment
  RSA237371  Streptanthus tortuosus Frederick W. Oettinger 1967-8-26 333 Siskiyou 1/8 mile from Diamond Lake on trail to English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC455749  Streptanthus tortuosus I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  SBBG21904  Streptanthus tortuosus var. orbiculatus D. Myrick 1962-7-25 952 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  SEINET10874443  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-19 Taylor 3268 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC18963  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-25 1533 Siskiyou SE facing upper slope W of Sugar Lake 1997 Comment
  HSC67675  Streptopus amplexifolius John Palmer 1980-7-24 596 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC164034  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-3 95 Siskiyou Log Lake; Shackleford Creek Comment
  UC1191399  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8300 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  SD53388  Swertia albicaulis var. nitida Darley F. Howe 1962-8-4 3389 Siskiyou Near summit of Baldy Mountain. 1737 Comment
  UC412598  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 24 Siskiyou near Sisson; Castle Lake 1524 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
  JEPS123406  Swertia perennis Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -124 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC245835  Symphoricarpos C. Hart Merriam 1919-10-12 s.n. Siskiyou Etna, Scott Valley Comment
  CAS-BOT-BC245845  Symphoricarpos W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake, Salmon Mts. Comment
  CAS-BOT-BC269617  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-17 29034 Siskiyou Shasta City (Sisson's) Comment
  UC63715  Symphoricarpos albus var. laevigatus H. M. Hall and E. B. Babcock Jun 1903 4036 Siskiyou near Dunsmuir (Mount Shasta); Sierra Nevada Mountains, Mount Shasta 609 Comment
  HSC18988  Symphoricarpos mollis J. O. Sawyer 1969-6-10 795 Siskiyou Lower SE slope above Sugar Creek, near Sugar Lake. 1799 Comment
  HSC68385  Symphoricarpos mollis Maralyn A. Renner 1980-6-26 1203 Siskiyou N edge of Flint Valley 1390 Comment
  SEINET8061691  Symphoricarpos mollis G. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain. 1219 Comment
  CAS-BOT-BC97890  Symphyotrichum eatonii Alice Eastwood 1917-9-2 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC98944  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC98943  Symphyotrichum foliaceum var. parryi Annie M. Alexander; Louise Kellogg 1948-9-9 5617 Siskiyou Siskiyou Mountains - meadow at teh start of a 2-mile trail to Taylor Lake from Cook & White Mine 1584 Comment
  UC1192077  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-25 8281 Siskiyou west side of Tule Lake Comment
  CAS-BOT-BC98431  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-7 1264 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC98438  Symphyotrichum spathulatum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  OBI80256  Symphyotrichum spathulatum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC98429  Symphyotrichum spathulatum A. A. Heller 1939-7-31 15432 Siskiyou Among grasses in Panther Meadows Mt. Shasta. 2438 Comment
  RSA86745  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley. 793 Comment
  CAS-BOT-BC376854  Taraxacum Wm. Bridge Cooke 1939-6-23 13532 Siskiyou Mount Shasta. At Wagon Camp Comment
  CAS-BOT-BC376855  Taraxacum Doris K. Kildale 1929-4-27 7513 Siskiyou Cecilville Comment
  CAS-BOT-BC376856  Taraxacum Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC6261  Taraxacum officinale D. M. Thomson 1965-6-19 96 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CHSC97395  Taraxia tanacetifolia Jenny Marr 2006-6-18 231 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  UCD107054  Taraxia tanacetifolia Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  UCD107056  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  HSC46089  Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC68415  Taxus brevifolia Maralyn A. Renner 1980-7-4 1404 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC401318  Taxus brevifolia Geo. D. Butler 1908-8-22 229 Siskiyou El<?>hed<?>es Corral Russian Creek Comment
  RSA52435  Taxus brevifolia Dorothy Parker 1945-4-30 s.n. Siskiyou Kidder Creek, Scott Valley. 854 Comment
  RSA238311  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Southeast of Abbott s Lake. The Salmon Mountains. The High Lake Bains in the vicinity of English Peak. Marble Mountain Wildernes Area. 1860 Comment
  CHSC106094  Tetradymia canescens Lowell Ahart; John Dittes 2010-7-30 16971 Siskiyou On dry 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
  SBBG30494  Tetradymia canescens D. Myrick 1968-6-22 1985 Siskiyou Lava Beds Nat Monument 1371 Comment
  RSA94943  Tetradymia canescens F. W. Peirson 1923-7-19 3928 Siskiyou Whitney Creek, Mt. Shasta. Comment
  UC164411  Tetrapteron graciliflorum Geo. D. Butler 1909-4-14 648 Siskiyou hills near Yreka (near Wetzels field on rd to Humbug) Comment
  CAS-BOT-BC399878  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Trail to Lookout, Marble Mts. 1889 Comment
  CAS-BOT-BC399880  Thalictrum polycarpum G. Muth 1966-7-17 408 Siskiyou Marble Valley Comment
  SBBG70248  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  CAS-BOT-BC65025  Thelypodium laciniatum Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mount Shasta, south of Hwy 97. Quadrangle 764 Juniper Flat. 1100 Comment
  CAS-BOT-BC77736  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1219 Comment
  RSA237510  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UCD144409  Thermopsis robusta G. F. Hrusa 1998-7-5 14700 Siskiyou Cedar Camp Road +/- 5 mile east of Weightpec on Highway 96. North side of Highway Mile 8.8. Comment
  RSA697268  Thlaspi arvense D. W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  CHSC99708  Thlaspi montanum var. montanum L. P. Janeway 2008-7-22 9451 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; top of slope overlooking Little Castle Lake from the southwest; 0.6 air km southwest of Little Castle Lake. 1896 Comment
  HSC6996  Thysanocarpus curvipes L. C. Wheeler 1935-5-11 3477 Siskiyou Klamath River at Ash Creek, near river 610 Comment
  RSA237924  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-21 311 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  UCD128151  Torilis arvensis Tracey Call; Viola Call 1964-6-22 2277 Siskiyou near Klamath river 0.25 mile east of Beaver Creek. Comment
  UC164042  Toxicoscordion paniculatum Geo. D. Butler 1909-4-27 790 Siskiyou Quartz Valley Comment
  HSC6294  Tragopogon dubius D. M. Thomson 1965-6-19 105 Siskiyou Lava Beds National Monument; 1.5 mi. N of Merril Ice Cave, on fire road Comment
  JEPS82737  Trautvetteria caroliniensis var. occidentalis Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  CAS-BOT-BC519571  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-25 9020 Siskiyou Near Youngs Valley, on trail to Preston peak 1524 Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  HSC14463  Trichostema simulatum Jerry Parker 1968-10-6 126 Siskiyou Scott Mtn. Rd. Comment
  JEPS84185  Trifolium howellii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6350 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  RSA237884  Trifolium howellii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1237 Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  HSC92474  Trifolium incarnatum Jeanne McFarland, Kathie Meyer, Anne Mullenniex 1995-4-9 41 Siskiyou 3 mi. up the Salmon River, off Hwy. 96 351 Comment
  UCD111258  Trifolium longipes A. H. Murphy 1956-8-16 56 K Siskiyou Big Marshy Meadows. 1981 Comment
  HSC18999  Trifolium longipes J. O. Sawyer 1969-7-11 1343 Siskiyou Along trail to Sugar Lake 1707 Comment
  CHSC38996  Trifolium longipes subsp. hansenii J. D. Jokerst 1983-7-5 1830 Siskiyou Atkin's Meadow, northern 1/2, ca 15 air miles east of McCloud. Comment
  JEPS65936  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Block 5, Yreka Comment
  JEPS48901  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  CHSC985  Trifolium pratense K. Jaekel 1939-7-3 Siskiyou Black Butte Meadows. 1158 Comment
  UC163858  Trifolium pratense Geo. D. Butler 1908-6-23 1035 Siskiyou near Yreka (fields) Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UC726458  Trifolium variegatum var. melananthum A. A. Heller 1919-6-25 13269 Siskiyou Compton's Prairie Comment
  HSC2320  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  RSA210810  Triglochin maritima Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39043 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  UC164381  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott R. Comment
  JEPS80494  Trillium chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
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  UC1483575  Trillium ovatum Maralyn A. Renner 1980-6-26 1180 Siskiyou n. edge Flint Valley; Klamath Nat'l Forest, Dillon Mt. Quad, Flint Valley 1389 Comment
  HSC18873  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 513 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC76926  Trillium ovatum subsp. oettingeri William J. Ferlatte 1983-6-28 2101 Siskiyou Tributary to Moosehead Creek, W of Rd. 39N96 1509 Comment
  CAS-BOT-BC200088  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou Meadow below Marble Rim, Marble Mts. 2011 Comment
  SJSU6494  Trisetum canescens R. W. Trivelpiece 1972-6-14 110 .5 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp, western Siskiyou County 1371 Comment
  HSC19252  Trisetum spicatum J. O. Sawyer 1968-7-22 557 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA378083  Triteleia crocea M. B. Dunkle 1944-6-25 9020 Siskiyou Siskiyou National Forest. 1677 Comment
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  UC843609  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou ne base Mt. Eddy (Metcalf's Ranch); ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  RSA237586  Tsuga mertensiana Frederick W. Oettinger 1967-8-26 327 Siskiyou Trees off north eastern side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC68372  Typha latifolia J. P. Smith, Steve Selva 1970-7-15 4354 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC91278  Umbellularia californica Doris K. Kildale 1928-4-2 4408 Siskiyou Klamath River at Somes Bar. Comment
  RSA37425  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  UCD121867  Utricularia minor Barry Rice 2007-7-8 BR 070704 Siskiyou Cedar Lake. 1742 Comment
  UC8397  Vaccaria hispanica T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC69175  Vaccinium cespitosum Maralyn A. Renner 1980-8-6 2334 Siskiyou Cracker Meadow 1555 Comment
  UC165288  Vaccinium cespitosum Geo. D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake 1676 Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UCD118068  Vaccinium membranaceum D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  HSC19099  Vaccinium scoparium J. O. Sawyer 1969-6-13 1060 Siskiyou W of Little Duck Lake 2043 Comment
  HSC29340  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou Marble Mountain Wilderness, mid-trail between Diamond and Hancock Lake 2012 Comment
  RSA433754  Valeriana capitata subsp. californica Unspecified 9201 Siskiyou Marble Valley, Marble Mountains. Comment
  RSA438027  Vancouveria hexandra Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC100333  Ventenata dubia J. P. Smith 2011-7-15 13301 Siskiyou 1427 Comment
  CAS-BOT-BC527061  Veratrum viride var. eschscholzianum Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC527062  Veratrum viride var. eschscholzianum Gilbert Muth 1966-8-3 151 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC984825  Verbascum blattaria A. M. Vollmer and L. Beane 1951-6-2 48 Siskiyou Klamath River Highway betw U.S. 99 and Gottville; Klamath River Highway Comment
  CHSC8613  Verbascum thapsus G. Smalley 1967-6-17 Siskiyou Collected 6 miles e of Callahan. 1310 Comment
  CAS-BOT-BC213723  Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy Comment
  HSC97143  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 Siskiyou Depression near dirt road, 80 yds. N of pump house along the Shasta River, 1.9 mi. S of Hwy. 99/97 Cutoff, 6 mi. ESE of Grenada 777 Comment
  HSC29283  Veronica serpyllifolia subsp. humifusa Frederick W. Oettinger 1968-9-5 720 Siskiyou Marble Mtn. Wilderness Area, along trail SE side of Hancock Lake 1890 Comment
  HSC61511  Vicia americana var. americana Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  RSA12586  Vicia americana var. americana Carl B. Wolf 1934-7-6 6000 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  RSA47804  Vicia villosa Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 11722 Siskiyou French Creek Logging Road west of Callahan. 1220 Comment
  CAS-BOT-BC264072  Viola adunca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mountains 1828 Comment
  HSC33964  Viola adunca J. P. Smith 1974-5-25 7464 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC1761553  Viola adunca H. M. Hall and E. B. Babcock Jun 1903 4072 Siskiyou meadows near Upton; Mount Shasta 1219 Comment
  UC581515  Viola adunca D. Tebbe 1929-7-18 36 Siskiyou Mount Eddy Comment
  RSA402173  Viola adunca M. B. Dunkle 1944-7-1 9063 Siskiyou Beaver Creek, Siskiyou Nat'l Forest. 1677 Comment
  SEINET11981108  Viola bakeri H. P. Chandler 1901-1 1688 Siskiyou Marble Mountain 2438