Search Results — 2000 specimen records retrieved (1367 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1267077  Abies Alan Bell July 1962 Siskiyou Tangle Blue Creek Trinity-Salmon Primitive Area, Scott Mountains, Mosquito Lak (headwaters, tributary of Trinity River) 1981 Comment
  CAS-BOT-BC78126  Abies X shastensis Gilbert Muth 1966-7-29 132 Siskiyou Forest at Marble Valley, Marble Mt. 1792 Comment
  HSC44565  Abies X shastensis Robert Wharton 1977-10-9 Siskiyou N slope of Mt. Shasta, Bulk Collection #118 2287 Comment
  HSC4980  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC73506  Abies concolor L. B. Kildale 1930-6-1 9791 Siskiyou Black Bear Trail to Sawyers Bar. Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  UC401379  Abies concolor Geo. D. Butler 1908-8-3 228 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  RSA498100  Abies grandis L. C. Wheeler 1934-8-20 3195 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  JEPS46599  Abies magnifica var. shastensis Lemmon Siskiyou Mt. Shasta Comment
  SEINET5643775  Acer circinatum Alv Dan Youngberg 1964-7-20 78 Siskiyou Growing in canyon bottom of East Fork of Indian Creek.; 0 610 Comment
  JEPS24792  Acer glabrum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6801 Siskiyou headwaters Sacramento River (Shore of Castle Lake); Castle Lake, Sacramento River 1661 Comment
  UC1408873  Acer glabrum var. glabrum Frederick W. Oettinger and R. F. Thorne 1969-8-5 1206 Siskiyou along trail bet Abbotts Upper Cabin and English Lake (Willow Springs, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area, Salmon Mountains 1676 Comment
  HSC60847  Acer glabrum var. torreyi Ruby Van Deventer 1962-8-15 Siskiyou Above Bell Echo Camp in Youngs Valley 1220 Comment
  HSC67768  Acer glabrum var. torreyi John Palmer 1980-8-13 776 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC332792  Acer macrophyllum Doris K. Kildale 1929-4-27 7843 Siskiyou Cecilville, south fork Salmon River Comment
  CAS-BOT-BC336936  Acer negundo var. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  JEPS32000  Acer negundo var. californicum W. B. and V. G. Cooke with Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs (Mt. Shasta); , below McBride Springs Comment
  CAS-BOT-BC18865  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-BC30435  Achillea millefolium Carl B. Wolf 1927-8-26 1021 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC22299  Achillea millefolium J. O. Sawyer 1969-7-23 1170 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC30431  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  RSA105392  Achillea millefolium G. D. Barbe 1955-7-7 s.n. Siskiyou South of Forest Camp, Etna 884 Comment
  HSC27621  Achlys triphylla Carl W. Mize 1972-6-22 88 Siskiyou Draw past cut block #48 1113 Comment
  HSC68426  Achlys triphylla Maralyn A. Renner 1980-6-26 1219 Siskiyou SE edge of Flint Valley. 1390 Comment
  POM115236  Achnatherum lemmonii var. lemmonii Geo D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  UCD50946  Achnatherum occidentale A. H. Murphy 1956-8-16 56 DD Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  JEPS72980  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-30 20072 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  UCD51059  Achnatherum occidentale subsp. californicum Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  JEPS94899  Achnatherum thurberianum Vernon H. Oswald and Lowell Ahart 1998-6-11 9192 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 1066 Comment
  POM115239  Achnatherum thurberianum Geo D. Butler, A. S. Hitchcock 1910-5-4 1277 Siskiyou Dry hill, Yreka. Comment
  RSA603843  Achnatherum thurberianum L. C. Wheeler 1935-5-7 3470 Siskiyou Klamath River at Ash Creek. 610 Comment
  UCD51424  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy. 97, 12 miles northeast of Weed. Comment
  SEINET11696160  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou State Hwy 97, 12 mi NE of Weed Comment
  HSC71465  Acmispon micranthus J. P. Smith 1973-5-5 6379 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391536  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  HSC61887  Aconitum columbianum subsp. columbianum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC412908  Aconogonon davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC61826  Aconogonon phytolaccifolium Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  HSC28742  Actaea rubra Frederick W. Oettinger 1969-8-21 1483 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail 1677 Comment
  RSA166283  Actaea rubra subsp. arguta Donald Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt. Shasta. 1677 Comment
  RSA68866  Actaea rubra subsp. arguta A. E. Culbertson 1943-6-23 90 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  HSC27637  Adenocaulon bicolor Carl W. Mize 1972-6-21 80 Siskiyou 305 Comment
  HSC77281  Adenocaulon bicolor L. P. Janeway 1983-6-29 352 Siskiyou Along road 19N07 approx. 2 miles N of the Indian Cr. Rd. 701 Comment
  UC127719  Adenocaulon bicolor Harley P. Chandler Jun 1901 1719 Siskiyou Shackleford Canon; North Coast Ranges, Marble Mountain 1524 Comment
  CDA1639  Aegilops cylindrica Hunt 1939-8-11 s.n. Siskiyou 0 Comment
  CHSC114933  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. Comment
  RSA183725  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Valley. Marble Mtns. Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  UC454302  Ageratina occidentalis I. J. Condit 1909-8-23 55 Siskiyou summit of ridge near Sisson,; Castle Lake 2133 Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  SD61054  Ageratina occidentalis Darley F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 149 Comment
  SEINET10971138  Agoseris glauca var. monticola Mary Susan Taylor 1980-8-19 Taylor 3266 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
  UC163887  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Comment
  UC163890  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-6-4 761 Siskiyou Yreka Comment
  UC165035  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-28 304 Siskiyou field near Oro Fino Comment
  CAS-BOT-BC22781  Agoseris heterophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53425 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  UC1539996  Agoseris heterophylla var. heterophylla M. Mitchell 1935-5-14 30 Siskiyou Canby's Cross; Lava Beds National Monumnet 1234 Comment
  CAS-BOT-BC13473  Agoseris retrorsa LeRoy Ellsworth Detling 1950-6-9 6605 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  RSA264989  Agoseris retrorsa Gilbert Muth 1975-7-28 10065 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  SJSU11317  Agrostis capillaris S. H. Casey 1981-7-4 1210 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  CHSC88410  Agrostis exarata Jenny Marr 1993-7-1 169 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET7593589 Image available Agrostis exarata E. B. Copeland 1903-1 3903 Siskiyou Foot of Mt. Eddy 1219 Comment
  CAS-BOT-BC139571  Agrostis gigantea W. R. Dudley 1909-8-7 s.n. Siskiyou Little Bear Valley near Dulit Flat. Comment
  RSA129196  Agrostis gigantea H. S. Yates 1936-6-21 5824 Siskiyou one mile southeast of Gazelle. 793 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA239094  Agrostis humilis Frederick W. Oettinger 1969-9-4 1656 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC76656  Agrostis idahoensis K. T. Stillman 1976-7-23 295 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS84086  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  JEPS84089  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6387 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  SEINET7594039 Image available Agrostis idahoensis F. W. Oettinger 1968-9-7 765 Siskiyou W. Siskiyou County, Tobacco Lake, Salmon Mountains 1890 Comment
  RSA239091  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1188 Siskiyou west side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1265350  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou lower meadow at margin of meadow woods Salmon Mountains, Marble Mountain Wilderness Area, Horse Ran 1767 Comment
  UC814985  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC143986  Agrostis scabra Copeland 1903-9-5 3799 Siskiyou Igerna Comment
  RSA115691  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir Comment
  CAS-BOT-BC162059  Agrostis stolonifera Elmer I. Applegate 1895-8-23 801 Siskiyou West side of Klamath Lake, near Pelican Bay. Comment
  UC1059001  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou s slope Mount Shasta (Panther Meadow); s slope Mount Shasta, Panther Meadow 2316 Comment
  RSA105378  Alisma triviale G. D. Barbe 1955-7-5 108 Siskiyou At eastern limit of Greenview on road to Fort Jones; south side of road. 884 Comment
  SEINET3883864  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Above the dirt rd. running nw. from Hilt, 4.8 mi. nw. of Interstate #5 at the HIlt exit.; 0 Comment
  CAS-BOT-BC464500  Allium campanulatum Geo. D. Butler 1908-8-9 111 Siskiyou Summit above Cold Spring Woolly Creek Comment
  SEINET196192  Allium falcifolium R. S. Ferris, L Lorraine 1948-6-12 11840 Siskiyou Gazelle Mtn grade rd between Callahan and Gazelle 1500 Comment
  UCD141852  Allium hoffmanii Alfred H. Murphy 1961-7-20 61 P Siskiyou west of Marble Valley Guard Station, Marble Mountains. 2042 Comment
  UCR11966  Allium obtusum var. obtusum William B. Cooke 1941-8-28 16249 Siskiyou Mt. Shasta, along Squaw Valley Creek 2800 Comment
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May 7 2014
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  CHSC30107  Alnus incana subsp. tenuifolia M. S. Taylor 1980-6-4 2787 Siskiyou Cedar Lake, lake edge, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC4964  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 343 Siskiyou Along Horse Range Creek 1646 Comment
  SEINET231470  Alnus incana subsp. tenuifolia E. P. Boyle 1946-8-9 45 Siskiyou W Carson Sorensen's 2134 Comment
  CAS-BOT-BC169650  Alnus rhombifolia H. A. Thomas; J. H. Thomas 1954-6-22 4447 c Siskiyou Salmon - Trinity Mountains. About 6 mi SE of Cecilville. Between Rushand Big Bend Creeks, 0.25-0.5 mi N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC169651  Alnus rhombifolia Wm. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to the Box Canyon of the Sacramento near Mt. Shasta 914 Comment
  UC164073  Alnus rhombifolia Geo. D. Butler 1909-3-26 563 Siskiyou mining dump near Oro Fino Comment
  CAS-BOT-BC169382  Alnus viridis subsp. sinuata Doris K. Kildale 1929-8-24 9022 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1524 Comment
  HSC45043  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-21 3288 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  UCD77318  Alnus viridis subsp. sinuata Robert E. Preston 2001-6-23 1627 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  SEINET12027701  Alnus viridis subsp. sinuata H. P. Chandler 1901-1 1618 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  SEINET7073536  Alyssum alyssoides A. G. Vestal 1963-6-1 s.n. Siskiyou Grassy slope with oak. About 4.6 miles southeast of Hornbrook on the Hornbrook - Ager Road. UTM Zone 10, 542900mN, 4366613mN. Coordinate datum: NAD27. Comment
  CDA3623  Alyssum alyssoides F. D. Horn 1980-4-24 Siskiyou Williams Creek near Collier Rest Area, I-5 near Hornbrook. 0 Comment
  UCD114086  Alyssum alyssoides John Thomas Howell 1952-6-14 2 Siskiyou Between Gazelle and Callahan. Comment
  HSC27225  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4802 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC2905  Amaranthus blitoides R. C. Wunner 1965-8-26 482 Siskiyou Lava Beds National Monument, near N Prefab., around house in red pumice 1433 Comment
  JEPS89085  Amaranthus californicus Geo. D. Butler 1909-8-18 1067 Siskiyou Yreka Comment
  JEPS95323  Ambrosia artemisiifolia Vernon H. Oswald and L. Ahart 1994-8-10 6448 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  UCD149840  Ambrosia trifida Harry A. George; William Anderson, Ed. O'Neill 1965-8-13 s.n. Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC69739  Amelanchier alnifolia Maralyn A. Renner 1980-6-26 1278 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC31799  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake Comment
  JEPS126016  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -317 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  CAS-BOT-BC136886  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1859 Comment
  CAS-BOT-BC136890  Amelanchier utahensis Doris K. Kildale 1929-8-24 8830 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC136891  Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou On the hills just east of Yreka Comment
  JEPS61146  Amsinckia intermedia Geo. D. Butler 1904-4-20 600 Siskiyou near Yreka Comment
  HSC3527  Amsinckia tessellata R. C. Wunner 1965-6-22 256 Siskiyou Lava Beds National Monument, Canby Bay. 1220 Comment
  UC1409280  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  RSA211140  Anemone deltoidea William J. Ferlatte 1966-6-22 89 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  SEINET12086506  Anemone drummondii H. P. Chandler 1901-1 1676 Siskiyou Marble Mountain 2438 Comment
  UCD77336  Anemone lyallii Robert E. Preston 2001-6-30 1638 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  SEINET12093239  Anemone multifida Unknown 1982-1 20589 Siskiyou Cook and Green Pass area, near Lily Pad Lake 1676 Comment
  UC618888  Anemone occidentalis W. Bridge Cooke 1938-7-21 11601 Siskiyou s.w. slopes Red Butte; Mt. Shasta, Red Butte Comment
  UCSB27381  Anemone occidentalis Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  CAS-BOT-BC391974  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  RSA238273  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Ridge SSE of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2223 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
  UCSB11466  Anemone occidentalis Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Soloman Mt. Summit 1981 Comment
  SBBG25866  Angelica breweri D. Myrick 1966-8-8 1499 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC27715  Anisocarpus madioides Carl W. Mize 1972-6-8 15 Siskiyou NW slope 343 Comment
  CAS-BOT-BC59284  Antennaria argentea Roxana S. Ferris; Laura Lorraine 1948-6-12 11724 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  JEPS33946  Antennaria argentea W. L. Jepson 1937-7-23 18462 Siskiyou Yreka Comment
  SBBG7564  Antennaria argentea H. and M. Dearing 1939-6-19 3681 Siskiyou French Crk Comment
  UC221516  Antennaria argentea H. E. Brown Jun 1 1897-Jun 10 1897 297 Siskiyou near Sisson 1083 Comment
  POM211801  Antennaria argentea L. C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
  HSC46193  Antennaria dimorpha Jennifer Whipple 1977-4-30 1890 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CAS-BOT-BC79907  Antennaria microphylla Elmer I. Applegate 1935-6-8 9429 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC78310  Antennaria microphylla L. P. Janeway 1983-8-26 616 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  HSC25417  Antennaria racemosa J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5662 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC44950  Antennaria racemosa J. O. Sawyer 1978-6-17 3232 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  POM39276  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek. Comment
  UC166208  Antennaria rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake , Shackleford Creek Comment
  RSA416680  Antennaria rosea M. B. Dunkle 1945-08 9295 Siskiyou Klamath National Forest Marble Mts. Comment
  HSC4642  Antennaria rosea subsp. rosea D. M. Thomson 1965-8-7 180 Siskiyou California Lava Beds National Monument; Cave Loop road Comment
  HSC29208  Antennaria umbrinella Frederick W. Oettinger 1968-8-5 402 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  RSA416838  Anthemis cotula Mr Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  JEPS95664  Antirrhinum vexillocalyculatum subsp. breweri Vernon H. Oswald and L. Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
  HSC76937  Apocynum androsaemifolium K. T. Stillman 1976-8-7 205 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS74501  Apocynum androsaemifolium W. J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. s. Big Flat; Trinity Alps 1584 Comment
  UC141642  Apocynum androsaemifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 196 Siskiyou Mt. Shasta Comment
  RSA183745  Apocynum androsaemifolium subsp. pumilum Gilbert Muth 1965-8-6 191 Siskiyou Marble mts, trail to backside of Black Mt. Comment
  CHSC4712  Apocynum cannabinum R. Carter 1966-5-15 401 Siskiyou Ca. 5 mi. N of Callahan along W side of road on W side Scott R. 914 Comment
  HSC727  Aquilegia formosa William J. Ferlatte 1967-7-25 722 Siskiyou Caribou Basin 1982 Comment
  UC637157  Aquilegia formosa Edward Lee 1934-8-11 1038 Siskiyou Walker Creek; a tributary of the Klamath River 609 Comment
  HSC67712  Aquilegia formosa var. truncata John Palmer 1980-7-24 612 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CDA24646  Arabis breweri Don Shaw 1977-4-19 Siskiyou Old Highway 99 North, Yreka. 0 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
  HSC61859  Arabis glabra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC61149  Arabis holboellii var. retrofracta Al Hobart 1968-6-13 Siskiyou El Capitan Comment
  HSC6538  Arabis sparsiflora var. subvillosa D. M. Thomson 1965-6-19 93 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CDA24665  Arabis subpinnatifida G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2642 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  UC705878  Aralia californica Marion Ownbey and Fred G. Meyer 1940-7-8 2221 Siskiyou 3 mi. e. Happy Camp (along Glade Creek near its mouth); Glade Creek Comment
  HSC36694  Arbutus menziesii Brent Whiteley 1975-6-21 8 Siskiyou Comment
  SEINET2471293  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -46 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  SEINET2140004  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -46 Siskiyou On trail to Eaton Lake, Russian Peak Wilderness Area. 1715 Comment
  SEINET11990950  Arctostaphylos klamathensis Unknown 1983-1 4886 Siskiyou Terrace Lake 1881 Comment
  SEINET11998396  Arctostaphylos klamathensis R. Raiche, Edwards, S. 1986-1 60256 Siskiyou Terrace Lake 1914 Comment
  CAS-BOT-BC39979  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou Small bog on side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake. 1584 Comment
  CAS-BOT-BC40019  Arctostaphylos nevadensis Gilbert Muth 1969-8-10 1335 Siskiyou Ridge w. of Boulder Peak 2377 Comment
  CLARK-A1528-7768  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou Etna Comment
  SEINET3411144 Image available Arctostaphylos nevadensis James D. Montgomery 1969-7-24 80918 d Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  CAS-BOT-BC46490  Arctostaphylos patula Reed Rollins; T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi. s. of Weed. 914 Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  JEPS38839  Arctostaphylos patula J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  RSA138579  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou Just above the trail marker to Diamond and Hancock Lakes from English Lake area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 183 Comment
  SEINET3106997  Arctostaphylos patula Steve Selva, Roger Jensen 1974-8-16 9 Siskiyou Dry, south facing Chaparral slopes above Sugar Lake. Comment
  CAS-BOT-BC46436  Arctostaphylos patula Dudley 1922-4-1 s.n. Siskiyou Etna Mills. Comment
  CDA38691  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  POM367405  Arctostaphylos patula M. B. Dunkle 1944-8-25 9181 Siskiyou Siskiyou National Forest; Coastal Northern California. Comment
  RSA629723  Arctostaphylos viscida subsp. viscida L. C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  UC1299493  Arenaria congesta var. suffrutescens Freed W. Hoffman 1950-7-14 3625 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) Comment
  UC198692  Arenaria congesta var. suffrutescens Annie M. Alexander and L. Kellogg 1911-7-28 203 Siskiyou Wildcat Peak 2194 Comment
  RSA47977  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11721 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC467188  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood; John Thomas Howell 1937-6-26 5061 Siskiyou Near Forks of Salmon Comment
  UCD37073  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, 0.5 mile south Dunsmuir, along U.S. Highway 99. 701 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
  RSA50233  Arnica cordifolia E. K. Balls 1949-7-9 13942 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CAS-BOT-BC82549  Arnica discoidea Alice Eastwood 1921-7-24 10719 Siskiyou Castle Lake Comment
  CAS-BOT-BC82557  Arnica discoidea Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  HSC4913  Arnica discoidea J. O. Sawyer 1968-7-23 616 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  SEINET10912115  Arnica diversifolia Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  CDA16952  Arnica latifolia G. F. Hrusa 1993-8-14 11398 Siskiyou Summit of pass betw. Happy Camp, Ca. and O'Brien, Or., just on Ca. side of state boundary. 1371 Comment
  HSC22157  Arnica latifolia J. O. Sawyer 1969-7-11 1311 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  SJSU6541  Arnica latifolia R. W. Trivelpiece 1973-6-28 155 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan, southwestern Siskiyou County 2042 Comment
  HSC92329  Arnica mollis Jennifer Whipple 1977-7-22 2051 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  HSC92873  Arnica mollis Jennifer Whipple 1977-8-6 2235 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS35690  Arnica mollis Geo. D. Butler 1908-8-4 336 Siskiyou Shackleford Creek (head of) Shackleford Creek 1676 Comment
  JEPS80517  Arnica nevadensis Gilbert Muth 1966-7-19 431 Siskiyou Lookout Trail Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC90083  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mount Shasta Comment
  UCD56024  Arrhenatherum elatius S. D. Nelson 1947-5-24 s.n. Siskiyou Scott Valley. Comment
  RSA215638  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1969-8-6 1210 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC84889  Artemisia campestris subsp. pacifica John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt., Marble Mountains Comment
  CAS-BOT-BC90482  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  HSC42936  Artemisia douglasiana Ken Stillman 1976-8-24 436 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UC60985  Artemisia douglasiana Geo. B. Grant 1902-9-1 5206 Siskiyou Mount Shasta 609 Comment
  HSC76894  Artemisia douglasiana K. T. Stillman 1976-9-9 486 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  JEPS94885  Artemisia ludoviciana subsp. incompta Vernon H. Oswald and Lowell Ahart 1998-7-21 9339 Siskiyou on the s side of Tennant Road 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake, on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  HSC27089  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1972-9-14 5803 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC68403  Aruncus dioicus var. acuminatus Maralyn A. Renner 1980-7-4 1383 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  CAS-BOT-BC447717  Aruncus dioicus var. vulgaris Doris K. Kildale; J. W. Gillespie 1929-6-22 8028 Siskiyou Boulder Creek, south of Dunsmuir on Pacific Highway Comment
  RSA151826  Aruncus sylvester Francia Chisaki, H. K. Sharsmith 1959-8-20 4742 Siskiyou Salmon River between Forks of Salmon and Somes Bar. 305 Comment
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Aug 18 2015
  RSA184750  Aruncus vulgaris Gilbert Muth 1966-8-3 497 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  CAS-BOT-BC400691  Asarum hartwegii Ira L. Wiggins 1940-7-5 9480 Siskiyou 11 miles east of Sawyer's Bar on road to Etna 1011 Comment
  CAS-BOT-BC400701  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  UC1483543  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou slopes e State Highway 3; Klamath National Forest, Yreka Quad. 1341 Comment
  HSC3281  Asclepias fascicularis R. C. Wunner 1965-7-9 348 Siskiyou Lava Beds N.M. 200 yds. off Hardin Butte Trail to N 0.5 mi. from main road 1341 Comment
  HSC93541  Asclepias speciosa G. Fred Hrusa 1997-9-18 14109 Siskiyou Shasta Valley, 1 mi. S of Gazelle on Old Hwy. 99 800 Comment
  JEPS117565  Asclepias speciosa Lowell Ahart, John Dittes 2010-7-30 16965 Siskiyou About 10 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS6285  Asclepias speciosa W. L. Jepson 1940-6-22 19971 Siskiyou Hornbrook 670 Comment
  RSA747344  Asclepias speciosa K. M. Meyer, A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  CHSC53  Aspidotis densa V. Holt 1932-7-29 Siskiyou Mt. Eddy. 2438 Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  HSC69164  Aspidotis densa Maralyn A. Renner 1980-8-8 2468 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS94712  Aspidotis densa Vernon H. Oswald and Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08) (4.9 mi se of Gazelle-Callahan Road); Rock Fence Lake Road (USFS 41N18) 1767 Comment
  RSA238700  Aster alpigenus Frederick W. Oettinger 1968-8-1 339 Siskiyou Wet meadow S of little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA210867  Aster frondosus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39032 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  UCR30515  Aster ledophyllus John C. Roos 1948-9-1 3949 Siskiyou high ridge SW of Etna Comment
  RSA582464  Astragalus inversus L. C. Wheeler 1935-5-26 3530 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
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Jan 30 2015
  RSA90176  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou From Lairds Landing to Bray. Comment
  SEINET7040265  Astragalus newberryi var. newberryi A. G. Vestal 1963-6-1 s.n. Siskiyou 3.6 miles northwest of Route 97 on road to Darnnell Reservoir. Southeast part of the Shasta Valley. Comment
  CAS-BOT-BC193064  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Klamath R. canyon 1/2 mi. below Hamburg 457 Comment
  POM16071  Astragalus purshii var. tinctus E. B. Copeland 1903-7-6 7964 Siskiyou Hornbrook. Comment
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Jan 23 2011
  RSA47627  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], East Fork of Scott River Comment
  POM16192  Astragalus whitneyi E. B. Copeland 1903-8-18 3842 Siskiyou Mount Eddy 2744 Comment
  CAS-BOT-BC199149  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-22 s.n. Siskiyou Tower foot hills of Craggy Mt. Comment
  CAS-BOT-BC69573  Athyrium alpestre subsp. americanum C. G. Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta. 2286 Comment
  HSC73331  Athyrium distentifolium var. americanum Gail Newton 1980-6-20 494 Siskiyou Near Bald Mtn. 1097 Comment
  UC150679  Athyrium distentifolium var. americanum Dr. E. B. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  UC618802  Athyrium distentifolium var. americanum W. Bridge Cooke 1938-9-8 11617 Siskiyou above the heather meadow Panther Creek Glacial Meadow; Mt Shasta Comment
  HSC23666  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou Head of Sugar Cr. 1860 Comment
  CAS-BOT-BC66191  Athyrium filix-femina var. cyclosorum A. A. Heller 1920-8-11 13505 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC66195  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Cold Spring Woolly Creek Comment
  HSC39745  Athysanus pusillus J. O. Sawyer 1970-4-4 2090 Siskiyou Along Sugar Creek 823 Comment
  HSC59893  Atriplex micrantha R. & G. Pederson 1979-10-10 51 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  HSC4340  Atriplex prostrata L. C. Wheeler 1934-10-21 3331 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC9030  Avena fatua D. M. Thomson 1965-7-17 152 Siskiyou Lava Beds National Monument, N boundary Comment
  CHSC106105  Azolla microphylla Lowell Ahart; John Dittes 2010-7-30 16955 Siskiyou Along the west edge of the Shasta River, about 120 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
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  CAS-BOT-BC100051  Balsamorhiza hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC16689  Barbarea orthoceras Doris K. Kildale 1929-7-20 8700 Siskiyou Raspberry Lake. South Fork India[n] Creek. Comment
  CHSC477  Barbarea orthoceras M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC204  Barbarea orthoceras William J. Ferlatte 1967-6-30 591 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC39830  Barbarea orthoceras J. O. Sawyer 1969-7-18 1369 Siskiyou Along S Russian Creek below Russian Lake 2012 Comment
  RSA264995  Barbarea orthoceras Gilbert Muth 1975-7-30 9963 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  RSA531146  Barbarea orthoceras M. B. Dunkle 1944-6-26 9037 Siskiyou Deer Creek Slope; Siskiyou Mtns. Beaver Creek. 1829 Comment
  SD73172  Bassia hyssopifolia Darley F. Howe 1969-8-31 Siskiyou 4.5 miles south of Dorris on highway 97. 1220 Comment
  HSC4358  Bassia hyssopifolia L. C. Wheeler 1934-10-21 3332 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  CAS-BOT-BC145849  Beckmannia syzigachne Dorothy Parker 1950-6-21 89 Siskiyou Near Fay Lane, Scott Valley. 853 Comment
  UC204801  Beckmannia syzigachne Geo. D. Butler 1908-6-25 484 Siskiyou along creek near Yreka Comment
  CDA23015  Berberis aquifolium G. D. Barbe 1980-4-29 2607 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS47705  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-20 591 Siskiyou along creek near Yreka Comment
  HSC5011  Berberis nervosa J. O. Sawyer 1968-6-18 200 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC96825  Berberis nervosa S. Lyon 2006-7-16 9 Siskiyou E of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC75930  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC169490  Betula occidentalis John Thomas Howell 1964-5-11 40701 Siskiyou Scott Valley between Etna and Callahan Comment
  UC61669  Bidens frondosa Geo. B. Grant 1902-9-1 5278 Siskiyou Mt. Shasta, Pacific Coast Pacific Coast, Mt. Shasta 0 Comment
  CAS-BOT-BC413083  Bistorta bistortoides Wm. Bridge Cooke 1940-6-8 15127 Siskiyou In Mount Shasta City along an irrigation canal Comment
  CAS-BOT-BC127933  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  UC538067  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127935  Blepharipappus scaber L. R. Abrams 1927-9-11 12138 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  SEINET3132245  Boechera breweri subsp. shastaensis G. D. Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  UC618750  Boechera howellii unknown 1938-7-28 11373 Siskiyou Mount Shasta, North Ridges Mount Shasta 2743 Comment
  JEPS104933  Boechera retrofracta Dean W. Taylor 1996-6-18 15726 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  UC375281  Boechera sparsiflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka; ; Siskiyou Co. Comment
  CAS-BOT-BC25727  Boechera sparsiflora W. B. Cooke; V. G. Cooke 1963-7-12 34337 Siskiyou Mount Shasta. 1371 Comment
  SEINET3132288  Boechera stricta G. D. Butler 1900-7-8 1164 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  UC1483551  Boechera subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  CAS-BOT-BC25918  Boechera suffrutescens John Thomas Howell 1939-8-1 15178 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC25921  Boechera suffrutescens George Dexter Butler 1910-7-9 1705 Siskiyou Dryland Shackleford Creek. 1219 Comment
  CAS-BOT-BC25925  Boechera suffrutescens R. C. Wenk 2005-7-15 206 Siskiyou Trinity Alps, above S Fork of Salmon R, along Yellow Rose Mine trail, top of Pass between Yellow Rose and Dorleska mines 2133 Comment
  JEPS109889  Botrypus virginianus Dean W. Taylor 2005-9-28 19493 Siskiyou Sacramento River Canyon, ca. 2.5 air miles SE of Box Canyon Dam 1036 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  CDA3601  Brassica rapa T. C. Fuller 1964-6-25 12249 Siskiyou Tulelake National Wildlife Refuge ca. 6 miles southwest of Tulelake. 0 Comment
  UC375292  Brassica rapa Geo. D. Butler 1908-7-14 1048 Siskiyou fields near Yreka Comment
  JEPS111015  Brickellia grandiflora J. K. Nelson with J. R. and Soren Nelson 2004-8-29 2004 -96 Siskiyou South side Mt. Shasta, south side of McKenzie Butte, along Road 31 1584 Comment
  UCD70189  Brickellia greenei D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  UC375191  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Salmon Range Comment
  SBBG15560  Brodiaea elegans subsp. elegans D. Myrick 1961-6-21 294 Siskiyou Hwy 99, just S of Yreka 914 Comment
  RSA603844  Bromus berteroanus L. C. Wheeler 1935-5-7 3468 Siskiyou Klamath River at Ash Creek. 610 Comment
  UCD57883  Bromus carinatus Alton 1953-7-28 KNF 5 Siskiyou Siskiyou-Trinity Co. line. Klamath N. F. Long Gulch Camp. 1889 Comment
  UC164918  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills Comment
  HSC30546  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Inlet to Dry Lake, Salmon Mtns. 2027 Comment
  UCD59194  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffett Creek. Comment
  LA13775  Bromus hordeaceus Jason Swallen; 1939-6-23 13525 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  CDA1822  Bromus inermis T. C. Fuller 1962-8-3 9494 Siskiyou Highway 139 to Stronghold, 0.2 miles southeast of the town of Tulelake. 0 Comment
  HSC94048  Bromus japonicus G. Fred Hrusa 1998-7-5 14685 Siskiyou S side of Pass on Happy Camp-O'Brien Rd., CA side of state boundary, above Indian Creek Camp 750 Comment
  HSC39663  Bromus orcuttianus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5736 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC67810  Bromus orcuttianus J. O. Sawyer, J. Cole 1980-7-22 3958 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC161707  Bromus rubens 1951-5-23 90 Siskiyou McConahahy Gulch, Scott Valley. 914 Comment
  RSA184791  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Trail to lookout, on ridge, Marble Mountains 2043 Comment
  UC1495324  Bromus suksdorfii Robert T. Clausen and Harold Trapido 1940-7-26 4950 Siskiyou Mount Shasta, along e side of canyon of Mud Creek, Sacramento River Basin Mount Shasta; Pacific Slope, S Cascade Mountains, Sacramento River Basin 1584 Comment
  POM363991  Bromus tectorum M. B. Dunkle 1945-7-19 9232 Siskiyou Klamath National Forest; Marble Mts. Comment
  UCD60229  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N of Happy Camp. Comment
  HSC31054  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  UCD57230  Calamagrostis canadensis A. H. Murphy 1954-8-12 54 - Siskiyou USFS, Klamath National Forest, Secret Valley. 1676 Comment
  CAS-BOT-BC185268  Calamagrostis koelerioides John Thomas Howell 1939-8-2 14942 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  RSA126056  Calamagrostis koelerioides I. L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area. 2043 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  CAS-BOT-BC85728  Calocedrus decurrens Doris K. Kildale 1927-11-20 4175 Siskiyou Fort Jones Comment
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  CAS-BOT-BC487853  Calochortus coeruleus Roxana S. Ferris; Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan 1219 Comment
  UC1299340  Calochortus elegans Freed W. Hoffman 1950-7-13 3766 Siskiyou Baldy Lookout, w Siskiyou County Baldy Lookout Comment
  POM301752  Calochortus elegans var. nanus Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains W of Yreka. Comment
  CAS-BOT-BC488606  Calochortus elegans var. nanus Annie M. Alexander; Louise Kellogg 1949-7-21 5823 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC44581  Calochortus elegans var. nanus Laura Witherspoon 1977-6-22 Siskiyou Off G-O Rd. at the boundary of Humboldt-Siskiyou Counties 1494 Comment
  SEINET10469586 Image available Calochortus elegans var. nanus F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1748 Siskiyou 2 1/2 miles northest of Dry Lake Lookout, summit of Siskiyou Mts. Loose, somewhat rocky soil, open slopes. Comment
  CHSC30379  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou At Tom Young Flat ca. 2 mi. NW of Pondosa. 1292 Comment
  CHSC2229  Calochortus nudus V. Holt 1942-7-3 Siskiyou Mt. Eddy. 1524 Comment
  HSC82362  Calochortus nudus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4515 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC494020  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
  JEPS24805  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  CAS-BOT-BC272751  Calycadenia truncata subsp. truncata L. E. Smith 1913-8-20 540 Siskiyou Montague Comment
  HSC31620  Calypso bulbosa Gleen McGourty 1974-5-25 53 Siskiyou Near junction of Road 8 and French Creek Rd. 1280 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  CAS-BOT-BC221256  Calystegia malacophylla subsp. malacophylla Wm. Bridge Cooke 1940-6-7 15098 Siskiyou Along the Pacific Highway near Black Butte Comment
  CAS-BOT-BC37002  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou Along the Pacific Highway near Black Butte. 1219 Comment
  HSC16513  Camissonia tanacetifolia R. C. Wunner 1965-7-9 347 Siskiyou Lava Beds National Monument area near car washing place 1442 Comment
  HSC64498  Camissonia tanacetifolia J. P. Smith, Steve Selva 1970-8-9 4586 Siskiyou By Grass Lake Comment
  RSA100329  Campanula prenanthoides F. W. Peirson 1926-7-11 7023 Siskiyou About half way up the grade west of Etna or Etna Mills Comment
  SEINET10462859  Campanula prenanthoides Butler 1908-7-20 BUTLER 37 Siskiyou HEAD OF LONG GULCH NEAR YREKA Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10463143  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou SHASTA SPRINGS 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
  SEINET10463200  Campanula prenanthoides Rexford REXFORD s.n. Siskiyou S SIDE OF SHAFT-ROCK HUT(?), HILT Comment
  SEINET10463333  Campanula prenanthoides Mize 1972-8-17 MIZE 103 Siskiyou FORKS OF SALMON R QUAD, S OF GATES CREEK. T12N R7E Sec. 20 488 Comment
  SEINET10905915  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou SHASTA RETREAT Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  SEINET10463385  Campanula scabrella Menzies 1962-7-21 MENZIES s.n. Siskiyou Mount Eddy 2530 Comment
  HSC48283  Campanula scouleri J. O. Sawyer, K. Stillman 1978-7-6 3348 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  POM59313  Campanula scouleri E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy. 1311 Comment
  UC131860  Campanula scouleri Dr. E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy 1310 Comment
  RSA37421  Campanula scouleri Marion Ownbey, Fred G. Meyer 1940-7-8 2226 Siskiyou Siskiyou Mountains, Summit. 18 miles North of Happy Camp. Comment
  SEINET10905942  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou NIXON'S CAMP, MT. SHASTA 671 Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  SEINET10939071  Campanula scouleri Rimo Bacigalupi, Lincoln Constance; Lawrence R. Heckard 1960-7-20 Bacigalupi 7453 Siskiyou Along Del Norte-Siskiyou County boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River -- leading to Twin Valley 1585 Comment
  CAS-BOT-BC266462  Campanula wilkinsiana W. B. C. 1938-9-17 11698 Siskiyou Mount Shasta. Horse Camp Springs, around the springs above Horse Camp on the Summit trail. Also in Squaw Creek Meadows Comment
  SEINET10463876  Campanula wilkinsiana Hosford 1881-8-24 HOSFORD s.n. Siskiyou Mount Shasta Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  UC375295  Capsella bursa-pastoris Geo. D. Butler 1909-2-26 577 Siskiyou Yreka Comment
  CAS-BOT-BC263278  Cardamine R. C. Wenk 2005-6-17 166 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  CAS-BOT-BC37312  Cardamine breweri Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC37314  Cardamine breweri Reed Rollins 1939-6-23 13508 Siskiyou Mount Shasta. Bear Springs. 1524 Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  POM95829  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs. Comment
  RSA237252  Cardamine californica var. integrifolia Frederick W. Oettinger 1969-7-15 1027 Siskiyou Tom Taylor Cabin; Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1912 Comment
  UC166136  Cardamine nuttallii Geo. D. Butler 1900-6-4 1487 Siskiyou Shackleford Creek Comment
  JEPS96809  Cardamine nuttallii var. covilleana Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek Comment
  CAS-BOT-BC38118  Cardamine pensylvanica Alice Eastwood 1923-5-22 11889 Siskiyou Sissons. Comment
  HSC29662  Carex abrupta Frederick W. Oettinger 1968-8-11 485 Siskiyou Marble Mtn. Wilderness Area, Tom Taylor Cabin 1982 Comment
  UC1265327  Carex abrupta Frederick W. Oettinger 1968-9-8 733 Siskiyou se Tom's lake; Salmon Mountains, Marble Mountain Wilderness Area 2148 Comment
  CAS-BOT-BC17857  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC17861  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  CHSC75766  Carex aurea Vernon H. Oswald; Lowell Ahart 1999-7-5 9817 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  HSC37138  Carex bolanderi J. O. Sawyer 1969-7-9 1214 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC41809  Carex breweri Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CHSC62795  Carex buxbaumii L. P. Janeway 1993-8-30 4563 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CAS-BOT-BC20057  Carex echinata Peter H. Raven 1956-9-4 10384 Siskiyou Ridge south of Mount Eddy. 2286 Comment
  SEINET7557883 Image available Carex echinata Robert F. C. Naczi 1993-7-13 3267 Siskiyou Ca 7.5 mi SE of Callahan, along W side of route 3, 0.3 mi N of Trinity Co border. 1615 Comment
  CAS-BOT-BC19872  Carex echinata subsp. echinata Louis C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  SEINET10843651  Carex fracta Cyrus G. Pringle 1881-8-23 Pringle s.n. Siskiyou Mount Shasta. 1829 Comment
  JEPS93901  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-3 9442 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 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
  HSC97428  Carex hoodii Jennifer Whipple 1978-7-20 2353 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  CAS-BOT-BC7657  Carex integra John Thomas Howell 1937-7-22 13253 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC7660  Carex integra W. J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine. 1981 Comment
  CHSC96014  Carex integra L. P. Janeway 2006-7-3 8775 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  CHSC109983  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  CAS-BOT-BC35525  Carex jonesii A. A. Heller 1922-7-15 13706 Siskiyou Medicine Lake 2133 Comment
  CHSC40203  Carex jonesii L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat. 1524 Comment
  CAS-BOT-BC35521  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S. Fork of the Salmon River 1524 Comment
  CHSC95044  Carex laeviculmis L. P. Janeway 2006-7-2 8748 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. 1762 Comment
  UC1265331  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC31309  Carex lenticularis var. impressa Clare B. Hardham 1965-8-20 13011 Siskiyou Cudahy Lakes, Marble Mts. Paso Robles Comment
  UC630392  Carex lenticularis var. impressa Annetta Carter 1939-8-20 1461 Siskiyou 12 mi sw Etna (nw side of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  CAS-BOT-BC28430  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC194550  Carex lenticularis var. lipocarpa Geo. D. Butler 1910-7-8 1665 Siskiyou Log Lake Shackleford Creek 121 Comment
  HSC41053  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-9 1108 Siskiyou S of Little Duck Lake 2012 Comment
  UC1265340  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou at lower meadow, Tom's Lake Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC73327  Carex leptopoda Gail Newton 1980-6-20 491 Siskiyou Near Bald Mtn. 1097 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
  RSA577789  Carex luzulina var. ablata L. C. Wheeler 1935-7-26 3719 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC29664  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Marble Mtn. Wilderness Area, dry meadow below Tobacco Lake 1890 Comment
  UC1265431  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou nw Pine Lake (White Pine Meadow); Salmon Mountains, Marble Mountain Wilderness 1882 Comment
  HSC86630  Carex multicaulis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  SEINET4022366  Carex multicaulis C. Davidson 1975-1 2651 Siskiyou Klamath Nat'l Forest. 9.1 mi. west of Gazelle on road to Callahan. 1120 Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  CAS-BOT-BC32283  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin. 1920 Comment
  HSC33315  Carex multicostata William J. Ferlatte 1974-7-26 1599 Siskiyou Big Flat, near South Fork of Salmon River, S of campground on W side of river 1524 Comment
  HSC48022  Carex multicostata D. H. Norris 1972-6-12 22917 Siskiyou Along road to Jackson Lake, 3.5 mi. W of Callahan to Cecilville Hwy. Comment
  JEPS63628  Carex nebrascensis Geo. D. Butler 1909-6-13 808 Siskiyou Oro Fino Comment
  CAS-BOT-BC119683  Carex nervina John Thomas Howell 1939-8-7 15119 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC119645  Carex nigricans Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2194 Comment
  CAS-BOT-BC119643  Carex nigricans William Bridge Cooke 1938-7-18 11484 Siskiyou Springs, Mt. Shasta. 2499 Comment
  HSC29665  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-4 1164 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  UC1265347  Carex nigricans Frederick W. Oettinger and R. F. Thorne 1969-8-6 1261 Siskiyou w Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC119476  Carex nudata Louis C. Wheeler 1934-9-22 3296 Siskiyou Walker 518 Comment
  SEINET11639679  Carex nudata Unknown 1989-6-19 10239 Siskiyou along Highway 3, between Callahan and Gazelle Comment
  CAS-BOT-BC118936  Carex pellita W. R. Dudley 1905-8-3 s.n. Siskiyou Upper Sacramento below Weed and Sheldon Hill. Comment
  RSA20485  Carex pellita L. S. Rose 1937-7-3 37393 Siskiyou Weed. 945 Comment
  CAS-BOT-BC118574  Carex praegracilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53380 Siskiyou 2.5 mi S of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC118773  Carex preslii John Thomas Howell 1937-7-25 13477 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1950435  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  SEINET7572541 Image available Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area. On Shasta Ridge below English Peak. 1890 Comment
  HSC76629  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC91376  Carex raynoldsii Jennifer Whipple 1978-10-6 2437 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC39283  Carex scopulorum J. O. Sawyer 1969-6-13 944 Siskiyou W of Little Duck Lake 2043 Comment
  CHSC40201  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou At Poker Flat. Dampish part of e arm of meadow. 1524 Comment
  UC835683  Carex simulata Frank W. Gould 1940-5-14 1232 b Siskiyou Bull Meadow Goosenet Mountains 1524 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  JEPS40877  Carex spectabilis Paul C. Hutchison 1962-8-2 931 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  UC835741  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  RSA238962  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Water at south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7575712 Image available Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt, Marble Mts. Comment
  JEPS109229  Carex stipata var. stipata D. W. Taylor 2004-7-19 19185 Siskiyou Weed, wet meadow just E of town limits along Boles Creek Comment
  SDSU11683  Carex straminiformis D. F. Howe 1962-8-6 3402 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC142324  Carex straminiformis Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-4 313 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC115849  Carex subfusca William Bridge Cooke 1938-9-17 11690 Siskiyou Mt Shasta Spring. 2438 Comment
  CAS-BOT-BC115853  Carex subfusca Cyrus Guernsey Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC115855  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Cr. 1280 Comment
  HSC86443  Carex vernacula D. K. Imper Jun 1987 Siskiyou 8 mi. E of Mt. Shasta town, Mt. Shasta Wilderness, along Squaw Creek 2134 Comment
  CHSC38988  Carex vesicaria J. D. Jokerst 1983-7-5 1829 A Siskiyou Along the upper edges of the wet meadow. N end of Atkin's Meadow, ca 15 air miles east of McCloud. Comment
  UCD21465  Carex vesicaria Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1205 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  HSC76836  Carex vesicaria L. P. Janeway 1982-8-13 128 Siskiyou N side of Bear Lake 1814 Comment
  CAS-BOT-BC59707  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Pass at sw. end of Caribou L., Salmon-Trinity Alps Primitive Area. 2072 Comment
  UC1190148  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Caribou L. Salmon-Trinity Alps Primitive Area (pass at sw end) 2072 Comment
  UC722137  Castilleja C. L. Hitchcock and J. S. Martin 1939-7-6 5229 Siskiyou on Takilma to Happy Camp road (peak above and n of Divide of Siskiyou Mountains); Siskiyou Mountains 1828 Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC42879  Castilleja applegatei subsp. pinetorum John Sawyer, Ken Stillman 1976-7-1 2794 Siskiyou Mid slopes and ridges E of Little North Fork Trail. 732 Comment
  JEPS19690  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1957-6-26 5960 Siskiyou immediately s Mt. Eddy (at source of South Fork of the Sacramento River, along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon of the South Fork of the Sacramento River 1645 Comment
  JEPS5212  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-4-17 630 Siskiyou near Yreka Comment
  UC54607  Castilleja applegatei subsp. pinetorum H. M. Hall and E. B. Babcock 1903-1 4114 Siskiyou near Sheep Rock (in Shasta Valley); Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1524 Comment
  CAS-BOT-BC243771  Castilleja applegatei var. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC243755  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-6 5229 Siskiyou Peak above and north of Divide of Siskiyou Mts., California on Takilma-Happy Camp Road 1828 Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  UC1408795  Castilleja arachnoidea F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Scott Mountains, Shasta-Trinity National Forest Comment
  UC164329  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1828 Comment
  UC1021597  Castilleja lacera W. A. Weber and Lewis S. Rose 1953-5-22 8459 Siskiyou 3 mi n Weed 1127 Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  JEPS19007  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  UC1408802  Castilleja miniata Robert F. Thorne and Fred Oettinger 1969-8-10 28968 Siskiyou Panther Creek Meadows Mt. Shasta National Forest, Mt. Shasta (s slope of Mt. Shasta) 2194 Comment
  POM15492  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest. Comment
  HSC63134  Castilleja miniata subsp. miniata M. A. Baker 1979-7-30 1070 Siskiyou 1900 Comment
  CDA41233  Castilleja minor var. exilis J. G. Schieber 1978-7-2 Siskiyou U.S. Wildlife Preserve, Tule Lake. 0 Comment
  CAS-BOT-BC32557  Castilleja muscipula var. angustifolia John Thomas Howell 1939-8-4 15059 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  HSC20550  Castilleja pilosa R. C. Wunner 1965-6-7 128 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  CHSC1725  Castilleja pruinosa M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC19020  Castilleja pruinosa J. O. Sawyer 1969-7-25 1538 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS8023  Castilleja pruinosa Rimo Bacigalupi with L. Constance, Joe Tracy, Reid Moran, Rafael Rodriguez and Sherwin Carlquist 1951-6-16 3470 Siskiyou 2 mi w Lake Bolan (ridge, on upper watershed of Indian Creek, immed s of Oregon-Calif boundary); Siskiyou Mountains, Indian Creek 1584 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  HSC72571  Castilleja pruinosa J. P. Smith 1976-5-4 8668 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  JEPS60245  Castilleja pruinosa L. R. Heckard with R. Ornduff 1969-6-24 2310 Siskiyou just w road fork to Copco Lake (along Klamath River); Klamath River Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  RSA261373  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  RSA1116  Ceanothus cordulatus B. D. Stark 1929-7-25 1392 Siskiyou 8 miles N of Dunsmuir. 610 Comment
  CAS-BOT-BC48389  Ceanothus cuneatus Doris K. Kildale 1929-5-12 7804 Siskiyou Sawyers Bar north fork of Salmon River Comment
  POM126427  Ceanothus cuneatus A. M. Alexander, Louise Kellogg 1911-6-13 140 Siskiyou 6 miles northwest Callahan. Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  CAS-BOT-BC50248  Ceanothus integerrimus H. A. Thomas; J. H. Thomas 1954-7-22 4446 Siskiyou Salmon - Trinity mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks 975 Comment
  JEPS2518 Image available Ceanothus integerrimus Willis L. Jepson 1894-8-1 Siskiyou near Sisson; Shasta Springs Comment
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May 9 2008
  RSA105432  Ceanothus integerrimus var. macrothyrsus G. D. Barbe 1955-6-30 57 Siskiyou 0.6 mile NW of Forest Camp, Etna 100ft S of Johnson Creek on dry hillside. 945 Comment
  CAS-BOT-BC53099  Ceanothus prostratus Elmer I. Applegate 1935-6-8 9422 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UCD13257  Ceanothus prostratus K. F. Mawdsley 1996-7-9 11 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  SEINET3110810  Ceanothus prostratus Steve Selva, Roger Jensen 1974-8-26 60 Siskiyou Along Road 8 to Sugar Creek trail; approx 4 miles from Hwy 3. Comment
  HSC100184  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13401 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  CAS-BOT-BC63151  Ceanothus velutinus Alice Eastwood 1912-9-1 2067 Siskiyou Mount Shasta. Comment
  JEPS42168  Ceanothus velutinus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  RSA398978  Ceanothus velutinus Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  UC1299549  Ceanothus velutinus Freed W. Hoffman 1950-7-14 3257 Siskiyou Trail from Baldy Mountain to Clear Lake. Comment
  UC1409313  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou on e side Hancock Lake ((high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC61164  Ceanothus velutinus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sissoon Mount Shasta, Sisson Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  UC1362454  Ceanothus velutinus var. velutinus Frederick Karl Klein 1969-9-7 Siskiyou At intersection of Shasta National Forest road 40N25 and S. P. tracks 1295 Comment
  OBI56382  Centaurea diffusa Paul McCanna 1999-7-20 PDR 1128385 Siskiyou Vicinity of Yreka. T45N, R7w, Sect 21 BM: M Comment
  HSC43134  Centaurea solstitialis Ken Stillman 1976-8-24 415 Siskiyou E and N slopes of Williams Point 366 Comment
  UCR24866  Centaurium muehlenbergii Don Emery 1981-9-9 s.n. Siskiyou S side of Weed, near the road edge Comment
  HSC2328  Centromadia pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  HSC92356  Cerastium arvense Jennifer Whipple 1976-7-1 1236 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  POM151916  Cerastium arvense E. B. Copeland 1903-9-7 3850 Siskiyou Mt. Eddy. Comment
  UCD97999  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  CAS-BOT-BC207628  Cercis occidentalis John Thomas Howell 1934-7-4 12408 Siskiyou SE corner of Siskiyou Co. Comment
  UC15095  Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CHSC36164  Cercocarpus ledifolius var. ledifolius K. Bridwell 1978-7-7 176 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1615 Comment
  CAS-BOT-BC148518  Cercocarpus ledifolius var. ledifolius Dorothy Parker 1947-4-5 166 Siskiyou Plowman's Valley 1219 Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  HSC92683  Chaenactis douglasii var. douglasii Jennifer Whipple 1977-8-6 2219 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  UC564177  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte Lava Beds National Monument Comment
  HSC81580  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-17 6090 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 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
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  HSC68409  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1413 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SEINET13289857 Image available Chamaecyparis lawsoniana C. G. Pringle 1882-1 Siskiyou Siskiyou County Comment
  SEINET3863161 Image available Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath Nat'l forest; road to Happy Camp; mixed coniferous forest.; 0 732 Comment
  UC26088  Chamaesaracha nana Milo S. Baker 1893-8-1 Siskiyou Medicine Lake 2438 Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  HSC36743  Chamerion angustifolium subsp. circumvagum Brent Whiteley 1975-6-22 26 Siskiyou 220 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  POM120359  Cheilanthes gracillima Geo D. Butler 1910-7-12 1754 Siskiyou Shackeford Lake 1372 Comment
  POM210924B  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley 8 miles northeast Gazelle 869 Comment
  SEINET5764325 Image available Chenopodium botrys A. A. Heller 1916-1 12564 Siskiyou near Sisson 1074 Comment
  JEPS83881  Chimaphila menziesii Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  CAS-BOT-BC451438  Chimaphila menziesii S. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  RSA467013  Chimaphila menziesii M. B. Dunkle 9253 Siskiyou Marble Mts. Klamath N.F. Comment
  HSC71078  Chimaphila umbellata M. A. Baker 1980-6-20 2201 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC452274  Chimaphila umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  RSA245292  Chimaphila umbellata subsp. occidentalis Carl W. Mize 1972-6-22 87 Siskiyou Forks of Salmon quad. 1113 Comment
  CDA3704  Chorispora tenella T. C. Fuller 1970-3-24 19360 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  CDA3721  Chorispora tenella G. Deal 1967-4-25 Siskiyou Blair Smith property, Lower Shasta Road, Montague. 0 Comment
  CAS-BOT-BC252662  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird, Mount Shasta Comment
  HSC36664  Chrysolepis chrysophylla Brent Whiteley 1975-6-28 91 Siskiyou 915 Comment
  JEPS37867  Chrysolepis chrysophylla W. L. Jepson Jul 17 1902-Jul 22 1902 2064 Siskiyou Devil's Backbone; w Siskiyou County 1828 Comment
  SEINET13952977 Image available Chrysolepis chrysophylla F. J. Hermann 1972-1 24813 Siskiyou Rocky slope in open white fur woods on Sawyer's Bar Rd., alt 6,000 ft., 9 miles southwest of Etna. 0 Comment
  UCD110157  Chrysolepis sempervirens John M. Tucker; L. K. Mann 1963-7-4 3692 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  SEINET3134428  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  CAS-BOT-BC279846  Cichorium intybus Nancy Ryan Zabriskie; Walter Zabriskie 1973-6-10 675 Siskiyou Hwy 96 along the Klamath River above Doggett Creek bridge 609 Comment
  CDA38295  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC30595  Cinna latifolia Frederick W. Oettinger, R. F. Thorne 1969-8-4 1165 Siskiyou Marble Mtn. Wilderness Area, along stream between Base Camp and Hancock Lake 1951 Comment
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Jan 16 2008
  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
  UC637107  Circaea alpina subsp. pacifica Annetta Carter 1934-8-13 706 Siskiyou Happy Camp (CA) to Waldo (Oregon) rd. (W. Branch Indian Creek); Klamath Nat'l Forest, W. Branch Indian Creek watershed 1463 Comment
  JEPS24816  Cirsium andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6829 Siskiyou U.S. Forest Service camp ground at Scott Mtn. road summit Scott Mtn. (boundary of Siskiyou and Trinity Cos.) 1646 Comment
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Jan 4 2012
  CDA1133  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -A Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  CAS-BOT-BC278051  Cirsium cymosum T. C. Fuller 1960-6-29 4644 Siskiyou Scott Mtn. road, 3.6 miles S/Callahan Comment
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  OBI54138  Cirsium occidentale var. candidissimum David J. Keil 1992-7-20 23501 Siskiyou Klamath NF, SW of Fort Jones. Along forest Rd 46N64, 1.1 mi W of Scott River Rd Comment
  RSA0070878  Cirsium remotifolium M. B. Dunkle 1945-1 9338 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS59328  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  RSA120873  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Hwy 99, 4 miles S of Gazella 915 Comment
  UC618645  Cirsium vulgare W. Bridge Cooke 1938-8-19 11514 Siskiyou road between Bear Springs and Howard 1219 Comment
  CAS-BOT-BC439046  Cistanthe monosperma Alice Eastwood 1921-7-24 10760 Siskiyou Castle Lake Comment
  CAS-BOT-BC228968  Cistanthe umbellata A. A. Heller 1940-7-25 15771 Siskiyou About Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC228984  Cistanthe umbellata Alice Eastwood 1912-8-30 2016 Siskiyou Mount Eddy Comment
  UCR93350  Clarkia Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  CAS-BOT-BC160928  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1937-6-26 5069 Siskiyou Somes Bar Comment
  RSA215604  Claytonia cordifolia Gilbert Muth 1969-8-12 1380 Siskiyou Second Valley 2195 Comment
  UC163803  Claytonia cordifolia Geo. D. Butler 1908-8-8 65 Siskiyou Marble Valley on Marble Mt.; Marble Mt, Marble Valley Comment
  CAS-BOT-BC439106  Claytonia cordifolia D. M. Traugh 1933-8-7 3 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  HSC92962  Claytonia lanceolata Jennifer Whipple 1976-6-19 1068 Siskiyou N facing slopes in the Eddy Creek drainage 2195 Comment
  CAS-BOT-BC439624  Claytonia parviflora subsp. parviflora Alice Eastwood 1923-5-18 11846 Siskiyou Shasta Springs Comment
  HSC64295  Claytonia parviflora subsp. parviflora J. P. Smith 1973-5-5 6376 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC36957  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7557 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET7042821  Claytonia rubra subsp. rubra A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  RSA211262  Claytonia sibirica William J. Ferlatte 1966-6-23 144 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC92763  Clematis ligusticifolia Doris K. Kildale 1928-7-1 5318 Siskiyou Forks of Salmon. Comment
  RSA332446  Clematis ligusticifolia J. P. Smith, Steve Selva 1970-7-16 4412 Siskiyou Beaver Creek Campground 823 Comment
  RSA537379  Clematis ligusticifolia Walter Wisura, J. Romero 1991-10-17 4593 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  UC375265  Clematis ligusticifolia Geo. D. Butler 1908-9-5 526 Siskiyou along creek near Yreka Comment
  CDA25287  Cleome platycarpa J. R. Grisham 1961-7-14 Siskiyou Elsea property, Montague. 0 Comment
  CDA25290  Cleome platycarpa J. R. Grisham 1960-7-21 Siskiyou South side of road, 1 miles northwest of Montague. 0 Comment
  UC1299331  Clintonia uniflora Freed W. Hoffman 1948-7-9 2569 Siskiyou 4.1 mi n of West Branch Public Camp (Waldo-Happy Camp Road); North Coast Ranges, Waldo-Happy Camp Road Comment
  CAS-BOT-BC500969  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Near Cold Spring Wooley Creek Comment
  HSC61809  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Poker Flat 1585 Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  UC1409411  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou area due w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1950 Comment
  HSC41087  Collinsia parviflora J. O. Sawyer 1970-3-4 2073 Siskiyou N of Idlewild Campground. 762 Comment
  HSC69373  Collinsia parviflora J. O. Sawyer, J. Cole 1980-7-19 3677 Siskiyou Near FS Rd. 45N0 2018 Comment
  JEPS5111  Collinsia parviflora unknown Apr 1903 Siskiyou Mt. Mooney , Mt. Mooney (Yreka) Comment
  HSC62079  Collinsia rattanii Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC43471  Collomia grandiflora Maralyn O'Meara 1974-5-25 382 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS93874  Collomia grandiflora Vernon H. Oswald and Lowell Ahart 1998-7-21 9317 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road (ne of Weed, Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC23612  Collomia grandiflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC52561  Collomia grandiflora Geo. B. Grant September, 1902 5159 Siskiyou Sisson Mount Shasta 914 Comment
  HSC29284  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Little English Lake 1890 Comment
  RSA120857A  Collomia grandiflora G. D. Barbe 1957-7-13 377 Siskiyou Big Flat Public Camp, Klamath National Forest. Comment
  UC1059038  Collomia tinctoria W. Bridge Cooke 1956-7-16 30306 Siskiyou along old logging road above Hotlum Station (n side of mountain); Mount Shasta Comment
  UC643297  Collomia tinctoria W. Bridge Cooke 1940-6-6 15060 Siskiyou moist places near Castle Lake Comment
  NY643139  Convolvulus arvensis H. E. Brown 1897-6-11 409 Siskiyou North side Mt. Shasta 1524.0 Comment
  RSA150574  Corallorhiza maculata Lee W. Lenz 1961-6-21 24358 Siskiyou Road between Aetna and Somes Bar Comment
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Jun 10 2012
  UC618678  Corallorhiza maculata W. Bridge Cooke 1938-8-5 11461 Siskiyou Sisson Southern Trail Mount Shasta Comment
  POM168510  Corallorhiza maculata E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy. 1372 Comment
  RSA150571  Corallorhiza maculata Lee W. Lenz 1961-6-22 24360 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  HSC19042  Corallorhiza mertensiana J. O. Sawyer 1969-7-24 1518 Siskiyou W of Sugar Lake 1890 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
  SEINET8733336 Image available Cordylanthus pilosus var. bolanderi Herbert L. Mason 1950-1 14064 Siskiyou 5 miles south of summit of road from Happy Camp, California, to Waldo, Oregon Comment
  UC1012233 Image available Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-19 26184 Siskiyou N of Mt. Shasta City, Siskiyou Co. Comment
  CDA36728  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Comment
  JEPS57137  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1967-7-5 1603 Siskiyou n side Mt. Shasta (along Bolam logging road) 1524 Comment
  JEPS66516  Cordylanthus tenuis subsp. viscidus L. R. Heckard and T. I. Chuang 1971-8-15 2773 Siskiyou 1 mi s of downtown Dunsmuir (below freeway) 822 Comment
  POM43385  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou Quartz Valley near Shakleford Creek. Comment
  CAS-BOT-BC212279  Cornus glabrata C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC212280  Cornus glabrata C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Hot Springs Comment
  RSA12595  Cornus nuttallii C. B. Wolf 1934-7-6 5991 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC210419  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  CAS-BOT-BC210425  Cornus sericea Ira L. Wiggins 1955-7-24 13503 Siskiyou Trail at crossing of China Creek 1301 Comment
  CAS-BOT-BC212151  Cornus sericea William A. Dayton 1913-6-14 8257 Siskiyou On banks of Rail Creek, Shasta Forest 1341 Comment
  HSC19034  Cornus sericea subsp. sericea J. O. Sawyer 1969-8-4 1928 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC19268  Cornus sericea subsp. sericea J. O. Sawyer 1968-6-18 196 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS80510  Cornus sericea subsp. sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS94790  Cornus sericea subsp. sericea Vernon H. Oswald and Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Road(USFS 41N08) 2.6 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1426 Comment
  JEPS124700 Image available Corylus cornuta subsp. californica Rechen 1964-7-8 90 Siskiyou Fowlers Camp. Lower falls. McCloud River just off HW 89. Comment
  RSA624391  Corylus cornuta var. californica L. C. Wheeler 1952-9-17 6935 Siskiyou [no locality information on the label for this specimen] 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
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC376521  Crepis bakeri subsp. cusickii L. E. Smith 1914-5-14 699 Siskiyou Yreka Comment
  UC91845  Crepis occidentalis T. S. Brandegee Jul 1887 Siskiyou Sisson's 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
  UC1408880  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-15 1031 Siskiyou se-facing slope between English Peak and Bear Meadow (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  HSC19045  Crepis pleurocarpa J. O. Sawyer 1969-7-16 1125 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  POM211803  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  UC581271  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2434 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  HSC99208  Cryptantha affinis Jennifer Whipple 1976-7-8 1370 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  SBBG25872  Cryptantha affinis D. Myrick 1966-8-12 1546 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CHSC93549  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-10 12070 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC61113  Cryptantha intermedia T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CHSC57422  Cryptantha milobakeri L. P. Janeway 1984-6-22 873 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC1731387  Cryptantha milobakeri Dean Wm. Taylor with Joe Molter 1998-6-17 16560 Siskiyou base of hillslopes ca. 3 mi s Gazelle (bordering Shasta Valley (ca. 14 air mi s <of> Yreka)); Klamath Region, Scott Mountains 1036 Comment
  UC133586  Cryptantha torreyana A. A. Heller 1905-6-8 7995 Siskiyou Yreka Comment
  UC857280  Cryptantha torreyana John Thomas Howell 1937-7-29 13655 Siskiyou between Trinity and Siskiyou County; Scott Mountain Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC80539  Cupressus bakeri Oliver V. Matthews 1939-7-22 41 Siskiyou unspecified 1219 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  RSA352344  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 61167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  CAS-BOT-BC114691  Cyperus bipartitus Louis C. Wheeler 1934-8-12 1049 Siskiyou 1/4 mi W of mouth of Walker Creek, a tributary of the Klamath River 426 Comment
  RSA13860  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  HSC77191  Cyperus eragrostis L. P. Janeway 1983-9-12 686 Siskiyou Along Hwy. 96, 0.5 mi. N of Swillip Creek, W side of Klamath River 244 Comment
  UC1483485  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad 877 Comment
  RSA382006  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  HSC50061  Cystopteris fragilis Terry Griswold 1979-7-24 9129 Siskiyou Near Hemlock Lake, close to the town of Macdoel 1988 Comment
  POM120356  Cystopteris fragilis Geo D. Butler 1910-7-9 1694 Siskiyou Shackleford Creek. 1220 Comment
  RSA47815  Cystopteris fragilis Roxana S. Ferris, Laura Lorraine 1948-6-12 11765 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  HSC58836  Danthonia californica Butler 1971-7-21 186 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction. 1433 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  LA102190  Danthonia californica John C. Roos; 1965-8-1 sn Siskiyou Marble Mountains, Middle Sky High Lake Comment
  UC1025011  Danthonia californica Leo Whitney 1935-7-15 3482 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD61032  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  POM211405  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  HSC19078  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-2 1703 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 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
  CHSC30182  Darlingtonia californica M. S. Taylor 1980-6-23 2942 Siskiyou On e side of 39N45 in Soapstone Gulch, ca. 2 mi s ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  UCD168826  Darlingtonia californica Barry Rice 2015-9-6 BR 150903 Siskiyou East of Caldwell Fen. 2025 Comment
  UC60964  Darmera peltata Geo. B. Grant Sep 1902 5185 Siskiyou Dunsmuir; Mount Shasta 609 Comment
  HSC58894  Dasiphora fruticosa Marvin Butler 1971-8-2 257 Siskiyou Near El Capitan, close to the town of Cave Junction 2081 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  UC454019  Delphinium depauperatum I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC9890  Delphinium nudicaule L. E. Smith 1913-5-4 258 Siskiyou Yreka Comment
  HSC44963  Delphinium nuttallianum J. O. Sawyer 1978-6-21 3279 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  JEPS74467  Delphinium nuttallianum W. J. Ferlatte 1966-6-22 88 Siskiyou open meadow along river between the campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  CAS-BOT-BC116156  Delphinium nuttallianum Alice Eastwood 1921-7-28 10903 Siskiyou Medicine Lake Comment
  RSA273076  Delphinium trolliifolium Alice Eastwood, John T. Howell 1937-6-26 5036 Siskiyou Salmon Mts, 10 miles SW of Etna. Comment
  UCR37854  Deschampsia atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS117878  Deschampsia atropurpurea unknown 1976-9-21 Siskiyou Lower Squaw Valley Cr. Mdw. Mt. Shasta 2249 Comment
  CAS-BOT-BC201931  Deschampsia elongata Copeland 1903-9-7 3793 Siskiyou Mt. Eddy 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
  UC203907  Deschampsia elongata Geo. D. Butler 1909-6-20 840 Siskiyou near Yreka Yreka Comment
  CAS-BOT-BC42969  Descurainia incisa subsp. incisa John Thomas Howell 1937-7-22 13326 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC42970  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou Marble Mountains. Ridge south of Marble Valley. Comment
  CAS-BOT-BC43135  Descurainia pinnata subsp. brachycarpa Lincoln Constance; Reed Clark Rollins 1942-5-14 2932 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  CHSC89530  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  HSC101  Dicentra pauciflora William J. Ferlatte 1967-6-29 566 Siskiyou Along Yellow Rose Mine Trail 1677 Comment
  CAS-BOT-BC402547  Dicentra pauciflora Ira L. Wiggins 1950-5-28 12394 Siskiyou .3 mile west of Carmen Lake 1706 Comment
  CAS-BOT-BC254471  Dichanthelium acuminatum subsp. acuminatum Melissa A. Berry 1957-7-8 s.n. Siskiyou N Fork of the Salmon River, old Aromas Mine road, off Somes Bar-Etna Road 609 Comment
  UC164157  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  HSC36692  Dichelostemma ida-maia Brent Whitely 1975-6-28 88 Siskiyou 915 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
  HSC44874  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-15 3944 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC291008  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  SD112556  Dieteria canescens var. shastensis Darley F. Howe 1969-8-30 4671 Siskiyou 1.3 miles south of Weed on [interstate] 5 1130 Comment
  UC223704  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153452  Diplacus layneae John Thomas Howell 1934-7-4 12398 Siskiyou unspecified Comment
  SD53405  Dipsacus fullonum Darley F. Howe 1962-8-5 3398 Siskiyou 56.8 miles east of Happy Camp on #96, Bank of Klamath River. 609 Comment
  SDSU5840  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  RSA520564  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 81 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  HSC92946  Dodecatheon alpinum Jennifer Whipple 1976-6-12 972 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC877609  Dodecatheon alpinum A. A. Heller 1915-7-15 12089 Siskiyou Mt. Eddy 1828 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC96403  Dodecatheon jeffreyi Gordon Leppig, J. Kalt 1996-7-9 353 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SJSU6531  Dodecatheon jeffreyi R. W. Trivelpiece 1973-6-21 147 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC29258  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: At 'Base Camp Meadow' between Diamond and Hancock Lakes 201 Comment
  SEINET12329645  Downingia bacigalupii N. H. Holmgren, Holmgren, P. K. 1980-1 9449 Siskiyou U. S. Highway 97, 21.4 km (13.3 mi.) south-southwest of Macdoel, T44N, R2W, S9 1520 Comment
  HSC99983  Downingia montana Thomas W. Nelson, & Sydney Carothers 2005-7-17 9384 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  RSA436124  Downingia pulchella L. C. Wheeler 1934-7-3 2870 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mts.; Mt. Diablo Meridian. 1677 Comment
  JEPS90141  Draba aureola Dean W. Taylor 1988-7-10 9966 Siskiyou North Coast Ranges, summit of Mount Eddy Mount Eddy; North Coast Ranges, summit of Mount Eddy 2712 Comment
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Jul 7 2020
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  RSA237373  Draba howellii Frederick W. Oettinger 1968-8-4 385 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
  UCD115549  Draba pterosperma Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou NE-face of Marble Mountain, Marble Mountains. 2133 Comment
  JEPS1620  Draperia systyla W. L. Jepson 1894-8-9 20995 Siskiyou Shasta Springs Comment
  CHSC62547  Drosera rotundifolia L. P. Janeway 1993-8-30 4566 Siskiyou West side of Cedar Lake; head of South Fork Sacram ... Field redacted by CHSC, contact the data manager for more information 1741 Comment
  SEINET6691603  Drymocallis lactea var. austiniae G. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC536727  Drymocallis pseudorupestris Wm. Bridge Cooke 1938-8-23 11570 Siskiyou North Slope of Shastina. Hudsonian. Comment
  UC609347  Drymocallis pseudorupestris var. saxicola Eleanor Burks Hart 1938-8-18 931 Siskiyou western slope of Boulder Peak 2529 Comment
  CAS-BOT-BC158423  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8716 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC158425  Drymocallis rhomboidea Elmer I. Applegate 1935-6-6 9357 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  RSA238955  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-5 714 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  CHSC107110  Eleocharis parishii R. E. Brainerd 2009-7-23 1573 Siskiyou Klamath Mountains, 4.4 air miles east of Callahan, north side of Scott Mountain, 1.5 miles north of Scott Mountain Pass on State Highway 3. UTM Zone 10 523244E 4571568N. 1426 Comment
  JEPS107386  Eleocharis parishii Lowell Ahart, John Dittes 2005-6-10 12096 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  POM264766  Eleocharis parishii L. C. Wheeler 1934-6-29 2826 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  SEINET7586924 Image available Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  UC1265457  Eleocharis suksdorfiana Frederick W. Oettinger 1969-8-19 1453 Siskiyou ridge between David Mountain and Abbotts Lake Basin Salmon Mountains, Marble Mountain Wilderness Area (high lakes basins in the vicinity of English Peak) 1905 Comment
  CAS-BOT-BC451559  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat, Klamath R. 518 Comment
  CAS-BOT-BC227910  Elymus elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC227911  Elymus elymoides K. T. Stillman 1976-7-21 275 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC227917  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  RSA210772  Elymus elymoides Jim Henrickson, C. W. Tilforth 1969-9-3 39037 Siskiyou Margin of desiccated alkali flat along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 mi. E of junction of Hwys 97 and 161l with Chenopodium rubrum, Atriplex argentea expansa. etc. Comment
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  UC167223  Elymus elymoides subsp. elymoides W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  HSC22419  Elymus elymoides var. elymoides J. O. Sawyer 1969-6-12 903 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 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
  LA14818  Elymus glaucus Jason Swallen; 1939-7-28 13784 Siskiyou Mount Shasta, MacBride Springs 1523 Comment
  CAS-BOT-BC206609  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9105 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UCD62506  Elymus multisetus Beecher Crampton 1969-6-19 8469 Siskiyou 3 miles north of Weed along Interstate Hwy. 5. Comment
  HSC68507  Elymus spicatus Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  HSC91440  Elymus spicatus Jennifer Whipple 1977-8-4 2152 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  UC1037121  Elymus trachycaulus Leo Whitney 1934-6-29 2227 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC392232  Enemion stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Miller Gulch off Klamath River, Siskiyou Mts. 670 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
  JEPS82440  Epilobium brachycarpum Gilbert Muth 1946-7-22 441 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
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Jan 17 2015
  HSC19494  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-8-4 1906 Siskiyou Above S Sugar Lake 2043 Comment
  POM171594  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1928-8-19 6560 Siskiyou Hancock Lake, on trail to Marble Mt. 2134 Comment
  RSA237402  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1201 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC84475  Epilobium densiflorum Dr. E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook Comment
  CDA38108  Epilobium densiflorum J. R. Grisham 1961-8-15 s.n. Siskiyou Quartz Valley. 0 Comment
  OBI55425  Epilobium densiflorum David J. Keil 1992-7-20 23484 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  HSC19501  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-8-1 1665 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM171593  Epilobium hallianum Doris K. Kildale 1929-7-20 8609 Siskiyou Southeast slope of Preston Peak 1951 Comment
  UC618799  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp Mount Shasta (creek in upper meadow) Comment
  HSC19492  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-11 1314 Siskiyou Above S Sugar Creek 2012 Comment
  UC1408901  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou n Hancock Lake (sw-running ridge of mt., w Siskiyou Co., High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Little Me 2042 Comment
  UCR45371  Epilobium minutum Barry Silver 1986-5-24 605 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  RSA755537  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  RSA0004447  Epilobium obcordatum subsp. siskiyouense Louis C. Wheeler 1934-8-14 3135 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC171833  Epilobium oreganum Alice Eastwood 1921-7-30 10999 Siskiyou Soda Creek Comment
  CAS-BOT-BC171835  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou Deetz Station near Black Butte 1158 Comment
  SEINET10632308  Epilobium oreganum A. Arthur Heller 1914-8-28 Heller s.n. Siskiyou Mt. Eddy 1290 Comment
  SBBG21871  Epilobium oregonense D. Myrick 1964-7-25 967 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  SEINET10492277  Epilobium paniculatum Lawrence P. Janeway 1983-8-28 Janeway 641 Siskiyou Preston peak quak; t18n, r6e, sw 1/4 of sec 20. At poker flat; dry gravelly part of upper edge of lower portion of meadow; fir forest. 1524 Comment
  HSC65267  Epilobium siskiyouense Rich White 1977-7-21 138 Siskiyou N slope of Preston Peak 1799 Comment
  HSC92073  Epilobium siskiyouense Jennifer Whipple 1976-7-24 1558 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  JEPS52498  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka; Butler Ranch Comment
  HSC69508  Eremogone congesta John Palmer 1980-7-24 658 Siskiyou Dillon Divide 1707 Comment
  CAS-BOT-BC174222  Eremogone congesta var. congesta K. T. Stillman 1976-7-7 169 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  SJSU6527  Eremogone congesta var. congesta R. W. Trivelpiece 1973-6-30 163 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CHSC84756  Eremogone congesta var. suffrutescens L. P. Janeway 2003-8-9 7960 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake, just over north edge of the ridge. 1786 Comment
  SEINET5647875 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 f Siskiyou Along road to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  SBBG126110  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 mi (air) NW of Big Springs Lake, 3.9 mi (air) SE of Grenada, 6.3 mi (air) NW of Dwinnel Dam 778 Comment
  HSC34657  Ericameria nauseosa var. speciosa Thomas W. Nelson, J. O. Sawyer 1974-10-29 1741 Siskiyou Hwy. 3, just S of Calaghan Comment
  UC598532  Ericameria nauseosa var. speciosa C. Hart Merriam 1898-8-20 183 Siskiyou Mt. Shasta Comment
  UC1303140  Ericameria parryi var. latior A. A. Heller 1927-8-1 14438 Siskiyou near the town Mt. Shasta (along the base of Spring Hill, on the headwater of the Scramento River); Sacramento River, Spring Hill Comment
  CAS-BOT-BC293506  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mountains. Klamath River watershed Comment
  HSC61781  Erigeron aliceae Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC294494  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-8 15175 Siskiyou Black Mt., Marble Mts. Comment
  UC455846  Erigeron bloomeri var. bloomeri I. J. Condit 1911-7-28 Siskiyou summit of ridge between Castle Lake and Mount Bradley Comment
  CAS-BOT-BC58397  Erigeron cervinus R. C. Wenk 2006-9-2 546 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  HSC58865  Erigeron cervinus Marvin Butler 1971-7-13 120 Siskiyou Near Copper Creek, close to town of Cave Junction 1464 Comment
  CAS-BOT-BC295365  Erigeron compositus R. C. Wenk 2005-7-15 211 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 2133 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  SDSU3937  Erigeron filifolius D. F. Howe 1972-7-8 4879 Siskiyou 9.5 miles north of Weed on #97. 1158 Comment
  SEINET9332119  Erigeron filifolius Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC29194  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou Summit of English Peak 2229 Comment
  OBI53730  Erigeron foliosus var. foliosus David J. Keil, Kathleen Keil 1992-7-19 23467 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  HSC19465  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-18 1980 Siskiyou S of S Sugar Lake 2104 Comment
  CAS-BOT-BC295387  Erigeron inornatus L. E. Smith 1914-7-6 749 Siskiyou Sisson Comment
  CDA4954  Erigeron inornatus G. C. Fleischman 1946-7-26 Siskiyou Vicinity of Mt. Shasta. 0 Comment
  CHSC105875  Erigeron inornatus var. inornatus J. K. Nelson; Eric White, Rhonda Posey, M. E. Colberg, S. Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. 2011 Comment
  CHSC67477  Erigeron inornatus var. inornatus James D. Jokerst 1992-7-30 3432 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  SEINET5708481 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  SEINET5708483 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  RSA93122  Erigeron inornatus var. inornatus F. W. Peirson 1923-7-20 3876 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  JEPS104787  Erigeron klamathensis Dean W. Taylor 1996-7-7 15809 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  HSC5519  Erigeron klamathensis Lauramay T. Dempster 1961-7-1 1832 Siskiyou Slope SE of White Mtn. Comment
  UC618632  Erigeron nivalis W. Bridge Cooke 1938-7-28 11361 Siskiyou Mount Shasta, n ridges, Hudsonian Mount Shasta (near timberline) 2895 Comment
  CAS-BOT-BC295363  Erigeron petrophilus R. C. Wenk 2006-9-2 551 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1950 Comment
  CAS-BOT-BC295803  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  JEPS24438  Erigeron pumilus var. intermedius G. Thomas Robbins 1959-6-10 4041 Siskiyou 4 mi s Gazelle (U.S. Highway 99); Shasta Valley 914 Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  CAS-BOT-BC224134  Eriodictyon californicum L. R. Short 1933-5-30 121 Siskiyou Klamath National Forest 579 Comment
  HSC77564  Eriogonum compositum var. compositum L. P. Janeway 1983-9-11 661 Siskiyou Poker Flat 1524 Comment
  JEPS95825  Eriogonum compositum var. compositum Vernon H. Oswald and L. Ahart 1999-7-5 9803 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn.: T42N R7W Sect. 34, 3800 ft, oak woodland 1158 Comment
  UC635009  Eriogonum compositum var. compositum H. L. Mason 1929-5-18 5327 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon 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
  RSA237750  Eriogonum compositum var. compositum Frederick W. Oettinger 1967-7-26 199 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 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
  HSC28669  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Marble Mtn. Wilderness area, SW trending of Medicine Mtn. due N of Tobacco Lake 1921 Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  JEPS56733  Eriogonum marifolium W. L. Jepson 1940-6-28 20064 Siskiyou McCloud 975 Comment
  JEPS56734  Eriogonum marifolium W. L. Jepson 1940-6-27 20033 Siskiyou Mt. Shasta; e slope 1828 Comment
  SBBG122852  Eriogonum marifolium B. Ertter 1990-7-16 9382 Siskiyou ca 2 mi E of Parks Crk trailhead (crest of Rd 17), along ridge, NW side of Mt Eddy, ca 8 air-mi SW of Weed 2316 Comment
  UC454352  Eriogonum marifolium I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  CAS-BOT-BC263184  Eriogonum marifolium var. cupulatum John Thomas Howell 1934-7-4 12395 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC267389  Eriogonum marifolium var. marifolium H. K. Wagnon 1957-8-11 1696 Siskiyou East slope of Mt. Shasta along Brewer Cr. 6 mi. West of Military Pass Rd. Comment
  CAS-BOT-BC261624  Eriogonum nudum var. nudum John Thomas Howell 1939-8-2 14889 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1483512  Eriogonum nudum var. nudum Maralyn A. Renner 1980-7-24 2119 Siskiyou about 1/4 mi sw, on Pacific Crest Trail Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1493 Comment
  CHSC75738  Eriogonum nudum var. pubiflorum Vernon H. Oswald; Lowell Ahart 1999-7-5 9824 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC77613  Eriogonum nudum var. pubiflorum M. K. Curran July 1887 Siskiyou Ager Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  CAS-BOT-BC383120  Eriogonum pyrolifolium Andrew Townesmith; Karen M. Meyer 2007-7-30 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC519883  Eriogonum pyrolifolium L. Ellison 1928-9-11 Siskiyou Mt. Shasta 2743 Comment
  UC618620  Eriogonum pyrolifolium W. Bridge Cooke 1938-8-18 11495 Siskiyou Horse Camp Slopes Mount Shasta, Horse Camp Slopes Comment
  POM105392  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1417 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  CAS-BOT-BC262728  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1913-7-1 446 Siskiyou Hilt Comment
  UC164306  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Yreka Comment
  CAS-BOT-BC262764  Eriogonum strictum var. anserinum Peter H. Raven 1956-9-4 10375 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  JEPS104844  Eriogonum strictum var. greenei Dean W. Taylor 1996-6-26 15758 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  CAS-BOT-BC263390  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC263397  Eriogonum strictum var. proliferum Alice Eastwood 1912-8-30 2008 Siskiyou Mount Eddy Comment
  HSC77292  Eriogonum ternatum L. P. Janeway 1983-8-7 515 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  CAS-BOT-BC267935  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  CAS-BOT-BC267942  Eriogonum umbellatum Maralyn A. Renner 1980-6-24 1059 Siskiyou Klamath National Forest. Ridge 1/2 mile east of Cook and Green Pass 1554 Comment
  POM274349  Eriogonum umbellatum var. argus B. W. Heacox 1947-9-11 186 Siskiyou Dry-Lake Look-out Station. 2043 Comment
  UC61059  Eriogonum umbellatum var. dumosum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing Mount Shasta, Sisson Comment
  UC1980602 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.6 air miles north of Etna. Comment
  RSA0066291  Eriogonum umbellatum var. lautum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1.5 mi. from Etna, Scott Valley. 897 Comment
  HSC17354  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 187 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  CAS-BOT-BC265198  Eriogonum umbellatum var. nevadense Frank W. Peirson 1923-7-19 3711 Siskiyou Near Bray Comment
  HSC77562  Eriogonum umbellatum var. polyanthum L. P. Janeway 1983-8-26 615 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  LA207050  Eriogonum umbellatum var. polyanthum Louis C. Wheeler; 1934-6-22 2759 Siskiyou Siskiyou Mountains 914 Comment
  CAS-BOT-BC262372  Eriogonum vimineum Roxana S. Ferris; Laura Lorraine 1941-8-12 10509 Siskiyou At Petroglyphs north end of Tule Lake. Northern boundary of Modoc Lava Beds National Monument Comment
  JEPS19990  Eriophorum gracile W. L. Jepson Aug. 1894 Siskiyou near Sisson Comment
  SBBG8171  Eriophyllum lanatum H. and M. Dearing 1939-7-1 3784 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC301105  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC301103  Eriophyllum lanatum var. achilleoides J. H. Thomas 1954-5-14 4182 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville between Lat. 41 deg. 03' and 41 deg. 06'N., and Long. 122 deg. 58' and 123 deg. 03' W. 1219 Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  POM133498  Eryngium articulatum E. B. Copeland 1903-8-13 3819 Siskiyou Sisson. 1067 Comment
  HSC199  Erysimum perenne William J. Ferlatte 1966-6-23 119 Siskiyou Dorleska Summit 2134 Comment
  UC722224  Erysimum perenne C. L. Hitchcock and J. S. Martin 1939-7-9 5313 Siskiyou w side of ridge between King's Castle and Black Mt. 1828 Comment
  RSA96730  Erythronium Percy C. Everett, E. K. Balls 1954-10-13 20283 Siskiyou Canyon Creek above junction of trails to Kangaroo Mountain and West Fork Seiad Creek, 6.6 miles northeast from Highway 96 671 Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  HSC30414  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Marble Mtn. Wilderness Area. above Diamond Lake on ridge to English Peak 2134 Comment
  CAS-BOT-BC403684  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-30 1365 Siskiyou Bet. Yreka and Fort Jones Comment
  HSC41059  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou S of South Sugar Lake 2073 Comment
  HSC76865  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  CAS-BOT-BC202762  Euonymus occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch 1097 Comment
  UCR9594  Euphorbia esula D. O. Clark 1970-6-23 s.n. Siskiyou 2.5 mi. NW of Dorris, on E side of Mathews Road, 1.5 mi. north of Picards Road. Comment
  UC1777716  Euphorbia spathulata J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  CAS-BOT-BC413901  Fallopia convolvulus Alice Eastwood 1912-7-22 1314 Siskiyou Sisson Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  HSC31142  Festuca idahoensis J. O. Sawyer 1971-8-20 2460 Siskiyou Near Buckhorn Spring on Big Ridge trail 1982 Comment
  RSA239117  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1584 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA47801  Festuca occidentalis Roxana S. Ferris, Laura Lorraine 11744 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC165842  Festuca pratensis Geo. D. Butler 1910-7-4 1636 Siskiyou Goosenest foothills Goosenest 1219 Comment
  SEINET10929889  Festuca rubra var. megastachys A. Arthur Heller 1921-7-17 Heller 13580 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek, in the Hudsonian zone. 2286 Comment
  RSA211416  Festuca subulata William J. Ferlatte 1966-6-22 108 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC278642  Festuca subulata A. A. Beetle; G. L. Stebbins, Jr. 1942-6-1 3440 Siskiyou Banks of Klamath River near Happy Camp Comment
  UC1982440  Festuca trachyphylla Barbara L. Wilson 1996-6-20 8138 Siskiyou Shasta Trinity National Forest; Vista Point 9.5 miles east of McCloud on Highway 89. Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  CAS-BOT-BC53262  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC59983  Frangula purshiana G. B. Grant 2000-1-1 s.n. Siskiyou unspecified. Comment
  SEINET7417474 Image available Frangula purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  HSC101714  Frangula rubra subsp. yosemitana J. P. Smith, J. O. Sawyer 2011-6-25 13263 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC502834  Fritillaria atropurpurea W. R. Dudley 1893-6-21 s.n. Siskiyou Near spring on Mount Shasta Comment
  JEPS20034  Fritillaria pudica George D. Butler 1909-3-7 554 Siskiyou Butcher Hill near Yreka; Butcher Hill Comment
  CAS-BOT-BC506207  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC506212  Fritillaria pudica F. M. Anderson 1896-4-1 s.n. Siskiyou Near Yreka Comment
  HSC44498  Fritillaria pudica K. Irwin 1977-5-21 372 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  CHSC3219  Fritillaria recurva Gerry Carrauthers 1966-5-13 163 Siskiyou 6 mi. from Gazelle on Gazelle Mountain. 1219 Comment
  HSC39778  Fritillaria recurva J. O. Sawyer 1970-4-4 2079 Siskiyou Along Sugar Creek 823 Comment
  RSA607097  Fritillaria recurva Louis C. Wheeler 1935-6-9 3556 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  UCD132354  Gaillardia aristata T. C. Fuller; G. D. Barbe 1972-6-14 947 Siskiyou in pasture north of Weed, ca. 1 mile north of US 97 on Hoy Road. Comment
  JEPS6508  Galium bifolium W. L. Jepson 1937-7-30 18553 Siskiyou Poker Flat Indian Creek 1584 Comment
  UCR40077  Galium bifolium K. T. Stillman 1976-6-25 29 Siskiyou Marble Mountain Wilderness Area: montane and subalpine meadows. Marble Valley 1829 Comment
  CHSC32939  Galium bolanderi J. P. Smith; Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River. 1127 Comment
  UC888783  Galium bolanderi Lewis S. Rose 1937-7-26 37603 Siskiyou 3 mi e Mt. Shasta 1371 Comment
  SBBG18847  Galium bolanderi C. B. Hardham 1961-7-2 8050 Siskiyou Scott River Comment
  SD211695  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 airmiles west of Mt. Shasta City. 1890 Comment
  SEINET1910268  Galium glabrescens Barbara Ertter 1990-1 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 fairmiles W of Mt. Shasta City. 1890 Comment
  RSA165559  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-7-3 8073 Siskiyou Scott Mountain south of Calahan. Comment
  UCSB17111  Galium glabrescens subsp. glabrescens Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  RSA184794  Galium grayanum var. grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  UC1409413  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou e side Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC61792  Galium triflorum Al Hobart 1967-7-5 Siskiyou Poker Flat 1585 Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182156  Garrya fremontii Doris K. Kildale 1928-7-2 5352 Siskiyou Salmon Summit nr [?] Creek trail 1981 Comment
  CAS-BOT-BC182226  Garrya fremontii Doris K. Kildale 1928-8-19 6528 Siskiyou trail from English Lake to Hancock Lake - trail to Marble [?] Mt. Comment
  UC166165  Garrya fremontii Geo. D. Butler 1910-3-10 1125 Siskiyou near Yreka Comment
  HSC30236  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat near campground 1524 Comment
  HSC27971  Gaultheria shallon Carl W. Mize 1972-9-23 109 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  RSA785409  Gaultheria shallon Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  HSC19481  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-7-24 1515 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  JEPS47719  Gayophytum diffusum subsp. parviflorum W. B. and V. G. Cooke 1966-7-16 37212 Siskiyou above Hotlum Station (along old dirt road); Mt. Shasta 1676 Comment
  HSC185  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-18 413 Siskiyou 3 mi. S of Big Flat 1585 Comment
  POM355343  Gayophytum eriospermum E. Yale Dawson 1948-7-16 5097 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  UC61504  Gayophytum heterozygum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  HSC40995  Gayophytum heterozygum J. O. Sawyer 1972-7-14 2471 Siskiyou N Fork of Salmon River 1006 Comment
  POM38653  Gayophytum heterozygum Geo. D. Butler 1910-7-3 1630 Siskiyou Goosenest Foothills 1220 Comment
  UC1122595  Gayophytum racemosum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Dorris Quadrangle Comment
  JEPS27500  Gayophytum ramosissimum W. L. Jepson 1940-6-23 19998 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  SEINET7040084  Gayophytum ramosissimum A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Lake Shastina [Dwinnell Reservoir]. Lake Shastina Quad. UTM Zone 10, 548843mE, 4594393mN Comment
  UCD35430  Gentiana newberryi Beecher Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC217414  Gentiana plurisetosa C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  RSA238864  Gentiana plurisetosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Side of Wiregrass Meadow and bordering on the English Lake outlet brook. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  LA205553  Gentiana setigera C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670.0 Comment
  UC1608326  Gentianella amarella subsp. acuta J. Kierstead 1990-8-9 90 130 B Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyond end of FS Rd 40N42); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  UC1495353  Gentianopsis simplex Robert T. Clausen and Harold Trapido 1940-7-26 4954 Siskiyou s. side Mt. Shasta (Wagon Camp); Southern Cascade Mts., , Wagon Camp 1737 Comment
  UC163809  Geranium viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  UC166618  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  JEPS83037  Geum triflorum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2301 Siskiyou 0.8 mi s Bray junction (on U.S. Hwy 97, Murphy Wells); Murphy Wells 1493 Comment
  RSA86642  Geum triflorum E. E. Stanford 1930-8-14 2087 Siskiyou Below summit of Sonora Pass. 2896 Comment
  SEINET3156722  Geum triflorum G. D. Butler 1910-6-19 1578 Siskiyou Goosenet foothills 1524 Comment
  POM75069  Gilia capitata Geo D. Butler 1910-5-8 1311 Siskiyou Near Yreka. Comment
  CHSC96011  Gilia capitata subsp. capitata L. P. Janeway 2006-7-3 8763 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  HSC22306  Glyceria elata J. O. Sawyer 1969-8-4 1792 Siskiyou Along C.C.C. road 1341 Comment
  JEPS84095  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6378 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UCD85212  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  JEPS34011  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14748 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  RSA240048  Gnaphalium palustre Frederick W. Oettinger 1969-8-21 1479 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1409287  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, Dry Lake 2026 Comment
  RSA675587  Grindelia camporum F. R. Schallert 1953-8-10 3131 Siskiyou Below Mt. Shasta. Comment
  OBI5327  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N limits of Macdoel Comment
  SEINET3890709  Habenaria dilatata var. leucostachys W. J. Ferlatte 1966-1 Siskiyou Comment
  HSC624  Hackelia bella William J. Ferlatte 1966-7-7 211 Siskiyou NW side of Caribou Mtn. 1829 Comment
  SEINET10969142  Hackelia bella Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6984 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi ne of Cecilville store, on road to callahan. 2073 Comment
  JEPS101589  Hackelia californica Dean W. Taylor 1999-7-18 17274 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  RSA747341  Hackelia californica K. M. Meyer, A. Townesmith 2007-7-29 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC455973  Hackelia mundula I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  SBBG111489  Hastingsia alba J. M. Tucker, L. K. Mann 1963-7-7 3722 Siskiyou ca. 0.25 mi N of Paradise Lake, Marble Mtn Wilderness 1981 Comment
  UC72277  Hastingsia alba Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Dead Horse Canyon (e Siskiyou County) Comment
  CAS-BOT-BC504600  Hastingsia alba W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC504607  Hastingsia alba J. H. Thomas; H. A. Thomas 1954-7-25 4539 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC504612  Hastingsia alba W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  CAS-BOT-BC508651  Hastingsia alba Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CDA39323  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  CAS-BOT-BC302451  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  HSC68169  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-18 4497 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC306746  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  JEPS24819  Helenium bigelovii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6835 Siskiyou just below and n Scott Mtn. road summit 1615 Comment
  CDA6539  Helianthus bolanderi T. C. Fuller 1958-9-12 Siskiyou 4 miles north of Weed. 0 Comment
  UC897635  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou near Yreka Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  UC165251  Hemizonella minima Geo. D. Butler 1909-4-25 620 Siskiyou Quartz Valley Comment
  RSA183682  Heracleum maximum Gilbert Muth 1965-7-28 129 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  RSA237793  Herniaria hirsuta subsp. cinerea Frederick W. Oettinger 1969-8-31 1568 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1966 Comment
  CHSC105862  Hesperochiron californicus Julie Kierstead Nelson 2010-7-3 2010 -013 Siskiyou Scott Mountain; Road 40N08 from Hwy. 3 at summit to Carmen Lake, at Pacific Crest Trail crossing. On west-facing , rocky slope and on gravel of road. 1676 Comment
  POM8869  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-07 8422 Siskiyou Mt. Shasta, at Sisson. Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  CAS-BOT-BC312303  Heterotheca villosa var. minor G. Muth 1966-7-25 453 Siskiyou Marble Valley Comment
  HSC86361  Heuchera cylindrica J. O. Sawyer 1983-7-7 4229 Siskiyou Top of Medicine Mtn. 2085 Comment
  UC574655  Heuchera cylindrica var. ovalifolia J. William Thompson 1936-7-8 13169 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC420738  Heuchera merriamii L. R. Short 1933-8-6 24 Siskiyou Klamath Forest 1889 Comment
  CHSC99698  Heuchera merriamii L. P. Janeway 2008-7-24 9474 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  UC1190182  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  RSA238313  Heuchera merriamii Frederick W. Oettinger 1967-8-17 278 Siskiyou Granite boulders on slope 1/2 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC420937  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  CAS-BOT-BC424372  Heuchera rubescens Doris K. Kildale 1928-8-18 6419 Siskiyou north fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC319682  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou North side of Mt. Eddy 2133 Comment
  JEPS36577  Hieracium albiflorum Geo. D. Butler 1908-8-3 345 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  UC1096803  Hieracium albiflorum H. K. Wagnon 1957-8-11 1712 Siskiyou along Ash Cr. ca, 1 mi n of junction with Military Pass Rd. (e slope Mt. Shasta); North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  OBI55430  Hieracium albiflorum David J. Keil 1992-7-20 23489 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 2 mi S of Scott river rd 1000 Comment
  HSC29282  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou Marble Mtn. Wilderness Area, ridge to English Peak 2012 Comment
  HSC69195  Hieracium horridum Maralyn A. Renner 1980-9-1 2692 Siskiyou Bear Mtn. 1936 Comment
  UC598534  Hieracium horridum C. Hart Merriam 1898-9-23 91 Siskiyou Head of Squaw Creek Mt. Shasta, Head of Squaw Creek 2804 Comment
  HSC59899  Hieracium horridum D. L. Goforth 1979-7-19 255 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  HSC22200  Hieracium nudicaule J. O. Sawyer 1968-7-9 416 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC1096804  Hieracium nudicaule Barbe 1957-7-13 382 Siskiyou Big Flat Public Camp, along the path to the spring, W side of camp Klamath National Foreset 1524 Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  OBI55424  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  POM213961  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River. 732 Comment
  HSC29379  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou 1/8 mi SE of Tom Taylor Cabin 2027 Comment
  HSC31802  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-16 2 Siskiyou N facing slopes above Sugar Lake Comment
  HSC62599  Holodiscus discolor Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC69146  Holodiscus discolor Maralyn A. Renner 1980-8-8 2471 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CAS-BOT-BC150138  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  HSC81976  Hordeum brachyantherum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4863 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  POM352444  Hordeum brachyantherum M. B. Dunkle 1945-7-24 9266 Siskiyou Klamath National Forest. Marble Mtns. Comment
  CAS-BOT-BC289276  Hordeum brachyantherum subsp. brachyantherum L. N. Lorenzen No date on label. 32 Siskiyou Medicine Lake, Shasta forest 2072 Comment
  CHSC88126  Hordeum brachyantherum subsp. brachyantherum Jenny Marr 1993-7-1 136 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC61578  Hordeum brachyantherum subsp. californicum L. P. Janeway 1983-8-26 590 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the meadow. 1524 Comment
  CHSC91235  Hordeum marinum subsp. gussoneanum Lowell Ahart; John Dittes 2005-6-9 12000 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  JEPS104786  Horkelia daucifolia Dean W. Taylor 1996-5-29 15638 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  RSA47631  Horkelia daucifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11709 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East Fork of Scott River Comment
  SEINET7042830  Horkelia daucifolia A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  UC1505709  Horkelia fusca subsp. parviflora Robert T. Clausen and Harold Trapido 1940-7-27 4962 Siskiyou 6.25 mi nne summit of Mt. Shasta; Southern Cascade Mts., Sacramento River Basin 1828 Comment
  UC1584622  Horkelia fusca subsp. parviflora Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9859 Siskiyou Hambone Hambone SW 15' quad 1341 Comment
  SEINET10483364  Horkelia fusca subsp. parviflora Mary Susan Taylor 1980-8-18 Taylor 3258 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  SBBG25898  Horkelia fusca var. parviflora D. Myrick 1966-8-9 1512 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA507457  Horkelia tridentata 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
  SEINET957334  Hosackia crassifolia G. D. Butler 1910-1 1452 Siskiyou Lang Valley. Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  UC89971  Hymenoxys lemmonii Katharine Brandegee 1887-7-1 Siskiyou Montague Comment
  UC1483537  Hypericum anagalloides Maralyn A. Renner 1980-8-21 2567 Siskiyou Klamath Nat'l Forest, s. corner boundary Coffee Creek Quad., Kidd Creek Klamath Nat'l Forest, Coffee Creek Quad., Kidd Creek 2042 Comment
  JEPS20040  Idahoa scapigera George D. Butler 1909-2 571 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  JEPS105408 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest. 1645 Comment
  RSA747343  Ipomopsis aggregata subsp. formosissima K. M. Meyer, A. Townesmith 2007-7-29 172 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC648275  Ipomopsis congesta John Thomas Howell 1939-8-4 Siskiyou Marble Rim Marble Mtns Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  RSA105310  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  SEINET6373100  Isatis tinctoria Barbara L. Wilson, Richard E. Brainerd 2010-1 16199 Siskiyou closed road near south edge of Black Butte, north of the dump. Comment
  CDA3765  Isatis tinctoria T. C. Fuller 1962-6-11 8956 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  HSC36871  Isatis tinctoria J. P. Smith 1974-5-26 7528 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  HSC85890  Isatis tinctoria S. Matthews, M. Goering, R. James 1985-5-4 50 Siskiyou Persidio Bar on Hwy. 96, near Klamath River 235 Comment
  CAS-BOT-BC57681  Isoetes bolanderi Elmer I. Applegate 1923-8-19 3889 Siskiyou Medicine Lake Comment
  CHSC62520  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Above and south of Terrace Lake; headwaters of South Fork Sacramento River. 1941 Comment
  HSC91425  Isoetes bolanderi Jennifer Whipple 1977-8-6 2245 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC400939  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 B Siskiyou Shackleford Creek Log lake Comment
  HSC28735  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou Marble Mtn. Wilderness Area, above Diamond Lake 2073 Comment
  CAS-BOT-BC69863  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mi. ne. of Sawtooth Mountain. 1615 Comment
  HSC34263  Isoetes occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7316 Siskiyou Around Cliff Lake 1860 Comment
  UC118418  Isopyrum stipitatum Thos. Howell April 1888 18 Siskiyou Hornbrook Comment
  RSA184731  Ivesia gordonii var. alpicola Gilbert Muth 1966-7-22 381 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  HSC85677  Ivesia pickeringii J. P. Smith 1980-8-24 10348 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  UC1265334  Juncus Frederick W. Oettinger and R. F. Thorne 1969-8-8 1299 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 Comment
  HSC77295  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath River, N side of Independence Cr. Br. 290 Comment
  JEPS121621  Juncus balticus Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  JEPS117606  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinn 716 Comment
  RSA368148  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Klamath National Forest. Williams Point along the Klamath River, south of State Route 96. Comment
  JEPS107945  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2005-6-9 12055 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA715781  Juncus bufonius var. bufonius L. Ahart, John Dittes 2005-6-9 12055 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC30685  Juncus confusus Frederick W. Oettinger 1969-8-24 1526 Siskiyou Between English Lake main camp and 'Sundew Bog' W of camp 1799 Comment
  HSC165  Juncus ensifolius William J. Ferlatte 1966-8-2 235 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  HSC62306  Juncus ensifolius Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  RSA186332  Juncus mertensianus Gilbert Muth 1966-10-16 27 Siskiyou Marble Mountains 1793 Comment
  HSC22107  Juncus nevadensis J. O. Sawyer 1969-8-5 1760 Siskiyou W of Little Duck Lake 2073 Comment
  UC1265333  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou just sw Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UC1265308  Juncus nevadensis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1241 Siskiyou nnw of Pine Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1882 Comment
  HSC71105  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4511 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CHSC98758  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9144 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  CHSC109717  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou About 2 miles north of Bray. Comment
  SEINET5450470 Image available Juniperus occidentalis Ross C. Clark, Bob Harvey; Chris Harvey 23916 Siskiyou Interstate Hwy. 5- vicinity of Hawkinsville. Comment
  JEPS95663  Juniperus occidentalis var. occidentalis Vernon H. Oswald and L. Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate 1554 Comment
  POM21709  Juniperus occidentalis var. occidentalis E. B. Copeland 1903-7-4 3545 Siskiyou Klamathon Comment
  SBBG15946  Kalmia polifolia subsp. polifolia D. Myrick 1961-6-21 308 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 Comment
  UC1190128  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou between Cecilville and Forks of Salmon (hillside along South Fork of Salmon River); South Fork of Salmon River Comment
  UC1045255  Keckiella lemmonii unknown 1940-8-8 15424 Siskiyou lower canyon, above the big spring Squaw Valley Creek; Mount Shasta Comment
  HSC67714  Kelloggia galioides John Palmer 1980-7-24 614 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1409414  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou ne side of saddle between Tom's Lake Basin and Tobacco Lake Basin (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 1950 Comment
  UC917333  Kelloggia galioides R. Tofsrud and J. M. Tucker 1948-8-4 1785 Siskiyou ca 1.5 mi nw McCloud Comment
  UC618854  Kopsiopsis strobilacea W. Bridge Cooke 1938-6-24 11096 Siskiyou Mount Shasta, near MacBride Springs. Comment
  RSA0076567  Kopsiopsis strobilacea Marion Ownbey, F. G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  JEPS40399  Kyhosia bolanderi W. L. Jepson 1914-8-13 5793 Siskiyou Sisson; swamps 1097 Comment
  UC89377  Kyhosia bolanderi Brandegee July 1887 Siskiyou Sisson's Comment
  HSC36777  Lagophylla ramosissima J. P. Smith 1974-5-25 7419 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS39004  Lagophylla ramosissima Geo. D. Butler 1908-6-26 297 Siskiyou near Yreka; Butler's Ranch Comment
  SBBG67562  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou base of Black Butte near W base of Mount Shasta Comment
  HSC45160  Lathyrus delnorticus J. O. Sawyer, Ed Cope 1977-6-19 2946 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC163826  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  SEINET7042823  Lathyrus lanszwertii var. aridus A. G. Vestal 1955-5-16 s.n. Siskiyou Open yellow pine area on a secondary road east of Route 99. Ca. 2,5 miles west of Weed. Weed quadrangle UTM Zone10, 547634mE, 4587138mN. Comment
  JEPS107391  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at 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
  CHSC519  Lepidium campestre G. Spurlock 1935-6-1 Siskiyou Comment
  CAS-BOT-BC88929  Lepidium densiflorum var. densiflorum 1912-7-1 s.n. Siskiyou Yreka. Comment
  CDA5625  Lepidium perfoliatum L. Ahart, J. Dittes 2005-6-9 11998 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  HSC47621  Lepidium perfoliatum J. P. Smith 1977-5-15 9068 Siskiyou Yreka Comment
  CAS-BOT-BC60147  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-27 1147 Siskiyou On the Klamath River 10 miles above the Salmon River. Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  HSC45976  Leptosiphon rattanii J. P. Smith 1973-5-5 6556 Siskiyou Scott Bar along the Scott River Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  UC722121  Lesquerella occidentalis subsp. occidentalis C. L. Hitchcock and J. S. Martin 1939-7-9 5305 Siskiyou n side Black Mt. (near Marble Mt. (King's Castle)); n side of Black Mt. near Marble Mt. (King's Castle) 2072 Comment
  HSC43145  Lessingia nemaclada Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  RSA114971  Leucophysalis nana E. K. Balls, Lee W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi E of McCloud State Hwy. 1006 Comment
  POM142945  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  CAS-BOT-BC444057  Lewisia cotyledon var. cotyledon Ira L. Wiggins 1955-7-27 13538 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC95122  Lewisia cotyledon var. cotyledon L. P. Janeway 2006-7-3 8771 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  UC630395  Lewisia cotyledon var. cotyledon Annetta Carter 1939-8-21 1466 Siskiyou 12 mi sw Etna (above se end of Taylor Lake); Salmon Mountains 2164 Comment
  CAS-BOT-BC444050  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  RSA215601  Lewisia leeana Gilbert Muth 1969-8-10 1338 Siskiyou Ridge W of Boulder Peak. 2409 Comment
  UCD101608  Lewisia leeana Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 75 Siskiyou near eastern base of Marble Mountain, Marble Mountains Wilderness Area. 1950 Comment
  CAS-BOT-BC444424  Lewisia rediviva Roxana S. Ferris; Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  CAS-BOT-BC283811  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  HSC61927  Ligusticum californicum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC69402  Ligusticum californicum Maralyn A. Renner 1980-8-8 2437 Siskiyou Rattlesnake Meadow 1646 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
  RSA261387  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC482454  Ligusticum grayi Dana York 2011-8-13 3064 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  HSC36665  Lilium kelleyanum Brent Whitely 1975-6-28 92 Siskiyou 915 Comment
  HSC44999  Lilium kelleyanum J. P. Smith, Steve Selva 1970-7-17 4448 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC509366  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  RSA78677  Lilium pardalinum Philip A. Munz 1952-7-2 17870 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains 1220 Comment
  HSC69162  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-4 2205 Siskiyou Flint Valley 1390 Comment
  JEPS84242  Lilium pardalinum subsp. wigginsii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6337 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 air mi from Red Butte) 1730 Comment
  HSC77518  Lilium washingtonianum subsp. purpurascens L. P. Janeway 1983-6-25 333 Siskiyou NE facing slope above Indian Creek and below dirt rd. 0.5 mi. N of W Branch USFS Station 671 Comment
  POM109728  Lilium washingtonianum subsp. purpurascens Geo D. Butler 1910-6-5 1484 Siskiyou Shackleford Creek 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
  RSA215603  Linanthus pungens subsp. hookeri Gilbert Muth 1969-8-6 1186 Siskiyou Boulder Peak. 2530 Comment
  UC22857  Linnaea borealis var. longiflora C. B. Bradley 1879-1 Siskiyou near Mt. Shasta; near Mt. Shasta Comment
  UC921111  Linnaea borealis var. longiflora Frank Bascom July, 1945 Siskiyou Hedge Creek about two mi easterly from Shasta Springs; Dunsmuir Quad., Hedge Creek e from Shasta Springs 914 Comment
  UC5490  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 and Soda Springs; Mt. Shasta Comment
  CAS-BOT-BC36531  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  CAS-BOT-BC36535  Lithocarpus densiflorus var. echinoides L. R. Abrams 1922-8-7 9920 Siskiyou Shasta springs Comment
  CAS-BOT-BC432318  Lithophragma campanulatum D. E. Breedlove 1962-6-11 3346 Siskiyou On bank of Canyon Creek, about 20 miles W of Fort Jones, Marble Mountains 914 Comment
  CAS-BOT-BC435472  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Block 5, Yreka Comment
  RSA298362  Lithophragma heterophyllum James Payne Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass road. Comment
  CHSC36161  Lithophragma parviflorum K. Bridwell 1978-4-15 90 Siskiyou Along Copco Rd and n bank of Irongate Reservoir (upper Klamath River), ca. 15 mi ne of Hornbrook. 762 Comment
  HSC43055  Lithospermum californicum Ken Stillman 1976-8-24 446 Siskiyou E and N slopes of Williams Point 366 Comment
  UC1239633  Lithospermum californicum Joseph P. Tracy 1939-4-29 16275 Siskiyou 3 mi n mouth of Salmon River; Klamath River 243 Comment
  UC165418  Lomatium dissectum var. multifidum Geo. D. Butler 1909-5-8 746 Siskiyou hill near Yreka Comment
  CAS-BOT-BC211136  Lomatium engelmannii A. A. Heller 1922-7-3 13676 Siskiyou West of Wagon Creek 2286 Comment
  RSA715497  Lomatium macrocarpum L. Ahart 2005-6-9 12032 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC923160  Lomatium macrocarpum Freed W. Hoffman 1950-7-13 3287 Siskiyou Baldy Mountain Lookout North Coast Ranges, western Siskiyou Co. Comment
  HSC46210  Lomatium nevadense Jennifer Whipple 1976-5-2 901 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CHSC86680  Lomatium nudicaule Jenny Marr 1993-7-1 64 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC39316  Lomatium nudicaule J. P. Smith 1974-5-26 7379 Siskiyou Along FS Rd. 47N03 1524 Comment
  POM82359  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  CAS-BOT-BC217791  Lomatium peckianum Lincoln Constance; Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka, Klamath-Siskiyou Region 762 Comment
  CAS-BOT-BC211228  Lomatium tracyi R. C. Barneby 1954-5-17 11534 Siskiyou Scott Mts. 5 miles above Callahan 1249 Comment
  UCD127272  Lomatium triternatum var. macrocarpum Robert E. Preston 1995-6-18 883 Siskiyou Irongate Reservoir, 0.6 miles NNW of dam at roadside. 731 Comment
  UC1408786  Lonicera conjugialis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1275 Siskiyou se side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  UC164467  Lonicera interrupta Geo. D. Butler 1910-6-17 1571 Siskiyou near Yreka Comment
  UC52219  Lonicera tatarica W. T. Mooney 1828-5-21 Siskiyou Yreka Comment
  UC144467  Lotus crassifolius var. crassifolius A. A. Heller 1905-6-5 7972 Siskiyou between Shasta Retreat and Shasta Springs Comment
  HSC36806  Lotus humistratus J. P. Smith 1974-5-27 7631 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA406398  Lotus micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  UC864297  Lotus oblongifolius var. oblongifolius A. A. Heller 1915-7-15 12101 Siskiyou Mt. Eddy 1371 Comment
  UC163677  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka Comment
  HSC77415  Lotus unifoliolatus var. unifoliolatus L. P. Janeway 1983-9-11 665 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC140248  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  CAS-BOT-BC342563  Luina hypoleuca John Thomas Howell 1939-8-6 15104 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC342565  Luina hypoleuca Carl B. Wolf 1927-8-27 1138 Siskiyou On the Klamath River at the mouth of Crawford Creek Comment
  SBBG28029  Luina hypoleuca C. B. Wolf 1927-8-7 Siskiyou Klamath River at the mouth of Crawford Crk Comment
  NY16020  Lupinus A. A. Heller 1928-6-23 14646 Siskiyou Along the Pacific Highway near Hilt, in the Transition life zone. Comment
  UC334794  Lupinus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  HSC71652  Lupinus adsurgens J. P. Smith, Steve Selva 1970-6-16 4004 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS25635  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat 1536 Comment
  RSA119507  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 386 Siskiyou Mt. Shasta 1220 Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  CAS-BOT-BC195967  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47204 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  CAS-BOT-BC195960  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 sn. Siskiyou Near Fort Jones Comment
  CAS-BOT-BC196324  Lupinus albifrons var. flumineus Charles Piper Smith 1947-6-18 47514 Siskiyou Highway 97. 0.5 miles east of Whitney Creek Bridge Comment
  HSC65687  Lupinus albifrons var. flumineus J. P. Smith 1974-5-26 7390 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UCR37852  Lupinus andersonii K. T. Stillman 1976-8-7 197 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  JEPS65308  Lupinus arbustus Geo. D. Butler 1909-5-14 705 Siskiyou near Yreka (Klamath Hills); Klamath Hills Comment
  UC156893  Lupinus arbustus var. arbustus Geo. D. Butler 1909-5-14 705 Siskiyou Klamath Hills Comment
  RSA60651  Lupinus aridus Dorothy Parker 1948-7-14 s.n. Siskiyou Scott Valley, 2 mi. from Etna. 671 Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC60157  Lupinus breweri D. L. Goforth 1979-7-7 228 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  CAS-BOT-BC215182  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CAS-BOT-BC215200  Lupinus croceus John Thomas Howell 1937-7-29 13667 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  POM24904  Lupinus klamathensis Geo. D. Butler 1910-4-30 1253 Siskiyou Dry hill near Yreka. Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  HSC32770  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  HSC99337  Lupinus latifolius subsp. viridifolius G. L. Clifton 1979-7-1 6191 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC796433  Lupinus leucophyllus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11824 Siskiyou Lower Plowman's [Noyes] Valley e Fork of Scott River (e Fork of Scott River); , Lower Plowman's [Noyes] Valley 1127 Comment
  HSC81756  Lupinus leucophyllus Thomas W. Nelson, Jane P. Nelson 1980-7-19 6191 Siskiyou Along F.S. Rd. 40N17 between East Fork of Boulder Creek and Cement Creek. 1463 Comment
  JEPS65333  Lupinus luteolus Geo. D. Butler 1909-6-26 910 Siskiyou Yreka; Upper Field Comment
  RSA413777  Lupinus lyallii var. lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou Klamath National Forest, Marble Mts., Kings Castle. Comment
  UC199283  Lupinus microcarpus var. microcarpus Annie M. Alexander and L. Kellogg 1911-6-4 112 Siskiyou Mayten Comment
  RSA105766  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Mt. Shasta. 2591 Comment
  UC15983  Lupinus obtusilobus W. H. Brewer 1862-9-13 1387 Siskiyou Mount Shasta 2438 Comment
  SEINET11072098 Image available Lupinus onustus A. A. Heller 1905-1 21994 Siskiyou Near Sisson Comment
  UCD109376  Lupinus polyphyllus J. M. Tucker; L. K. Mann 1963-7-5 3699 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
  UC454944  Lupinus polyphyllus var. burkei I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  HSC41639  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-9-2 1760 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  SEINET10490872  Lupinus sellulus var. sellulus Joseph W. Congdon 1900-8-15 Congdon s.n. Siskiyou Forks castle road. Comment
  CDA16167  Lycium barbarum G. F. Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou Klamath Ranges; Along Klamath River on E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 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
  JEPS101597  Lycopus uniflorus Dean W. Taylor 1999-8-12 17350 Siskiyou Blue Pond, Quartz Valley (ca. 1 mile North of Mugginsville) 853 Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC830843  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  POM362231  Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1860 Comment
  POM362233  Madia glomerata Donald Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  CAS-BOT-BC343422  Madia gracilis Elmer I. Applegate 1923-9-7 3954 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  CAS-BOT-BC343435  Madia gracilis Wm. Bridge Cooke 1938-8-19 11523 Siskiyou Lower Bear Spring, Mt. Shasta 1524 Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  CHSC86673  Madia gracilis Jenny Marr 1993-7-1 56 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA11145  Madia gracilis subsp. gracilis C. B. Wolf 1934-7-4 5939 Siskiyou Horse Creek road to Dry Lake Lookout, Siskiyou Mountains, 8.4 miles by road from the Lookout Station 1524 Comment
  SEINET11812404  Madia madioides C. G. Pringle 1882-8-28 s.n. Siskiyou about Mt. Shasta Comment
  HSC18912  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-2 381 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC512758  Maianthemum racemosum subsp. amplexicaule H. E. Brown 1897-7-1 447 Siskiyou North side of Mount Shasta 2743 Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  HSC18915  Maianthemum stellatum J. O. Sawyer 1968-6-18 239 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC920138  Malacothrix floccifera L. Constance, J. F. Davidson, B. Kasapligil, and H. L. Mason 1930-7-15 3355 Siskiyou between Fort Jones and Etna; Scott Valley, Scott River 914 Comment
  HSC63635  Marrubium vulgare J. P. Smith, Steve Selva 1970-8-8 4559 Siskiyou Juanita Lake Comment
  CDA42745  Marsilea vestita T. C. Fuller 1960-6-3 s.n. Siskiyou Edge of Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  UC618763  Medicago lupulina W. B. Cooke 1938-7-15 11185 Siskiyou Bear Springs Mount Shasta 1524 Comment
  CAS-BOT-BC271153  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  JEPS118733  Melica aristata Julie Kierstead Nelson 2008-7-12 2008 -002 Siskiyou South slope of Mt. Shasta. Elk Spring 7.5' quad. Comment
  RSA239020  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou North side of Tom Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  POM259099  Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  CDA18407  Melica californica G. D. Barbe, P. Hiatt & M. Keffer 1980-6-5 2810 Siskiyou Cascade Range; Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  HSC22263  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC26150  Melica stricta J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5691 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD88285  Melica stricta AHM 1957-7-24 57 T Siskiyou On the border of Trinity County. Head of Bear Creek trail to Toad Lake Shasta National Forest, S. of Mt. Eddy. 2346 Comment
  JEPS107667  Melilotus indicus Lowell Ahart, John Dittes 2005-6-9 12011 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
  JEPS63468  Mentha canadensis Geo. D. Butler 1908-8-12 170 Siskiyou L. Eastlick's ranch Yreka (Yreka) Comment
  SBBG115938  Mentzelia laevicaulis F. G. Parson 1946-7-26 Siskiyou Scott Mtn Comment
  UC164047  Mentzelia laevicaulis var. laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou near Yreka Comment
  UCSB25034  Mertensia oblongifolia Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  UCD13283  Micranthes bryophora K. F. Mawdsley 1996-7-10 16 a Siskiyou California, Siskiyou County. Little Castle Lake, Seven Lakes Basin 7.5 topo. Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  POM53404  Microseris laciniata subsp. laciniata E. B. Copeland 1903-4-13 3818 Siskiyou Sisson 1067 Comment
  CAS-BOT-BC349369  Microseris nutans Alice Eastwood 1921-7-24 10771 Siskiyou Castle Lake Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  JEPS75973  Microseris nutans William J. Ferlatte 1974-7-14 1523 Siskiyou U.S.F.S. Campground at Big Flat; Trinity Alps. 1524 Comment
  CAS-BOT-BC349373  Microseris nutans L. E. Smith 1913-5-12 203 Siskiyou Castle Creek Comment
  RSA801991  Microseris nutans Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 1006 Comment
  UC1112880  Microseris nutans Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13154 Siskiyou a few mi up grade Callahan-Trinity Center Rd.; Scott Mountains Comment
  HSC77048  Microsteris gracilis K. T. Stillman 1976-6-25 33 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC90994  Mimulus breweri Jennifer Whipple 1976-7-9 1386 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SFV8317  Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area. Haypress Meadows. 1463 Comment
  UC26886  Mimulus breweri Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  RSA60485  Mimulus guttatus John H. Thomas 1949-6-16 939 Siskiyou 10 miles north of Gazelle. Comment
  UC164263  Mimulus moniliformis Geo. D. Butler 1908-8-4 453 Siskiyou head Shackleford Creek Comment
  UC445199  Mimulus moniliformis Mrs. R. M. Austin Siskiyou margins Willow Lake Comment
  HSC36558  Mimulus moschatus J. O. Sawyer 1969-7-12 1351 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC72486  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-16 4060 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  SBBG30584  Mimulus moschatus D. Myrick 1968-6-26 2028 Siskiyou Coffee Crk; Trinity Alps 1463 Comment
  HSC29405  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2049 Comment
  HSC90992  Mimulus nanus Jennifer Whipple 1976-7-14 1464 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2591 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
  SEINET12336912  Mimulus nanus var. jepsonii D. M. Thompson 1988-1 932 Siskiyou 8 mi E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Rd & Hwy 89, opposite Hwy 89 1100 Comment
  RSA237535  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou Northwest of Lower English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC125155  Mimulus pilosus Dr. E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon Comment
  UCD122893  Mimulus primuloides J. M. Tucker 1950-7-24 1950 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  HSC29402  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou Bear Meadow near Tom's Lake 2180 Comment
  SEINET10756233  Mimulus primuloides subsp. linearifolius Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 881 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
  UC164371  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek 1219 Comment
  UCD122891  Mimulus primuloides var. linearifolius Dean William Taylor 1972-7-3 1603 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC91003  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-9-3 1781 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  UC1409388  Mimulus tilingii Frederick W. Oettinger 1969-8-25 1542 Siskiyou w Arrow Peak (near Tom Taylor Cabin, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1981 Comment
  HSC69347  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-21 2592 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC76921  Minuartia nuttallii subsp. gregaria K. T. Stillman 1976-6-26 133 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS51480  Minuartia nuttallii subsp. gregaria W. L. Jepson Jul 17 1902-Jul 22 1902 2065 Siskiyou Devil's Backbone; w Siskiyou 1828 Comment
  RSA666373  Minuartia nuttallii subsp. gregaria Barbara Ertter 1990-7-14 9308 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
  SEINET3860469  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 mi N of Scott Mountain Pass.; 0 1219 Comment
  CAS-BOT-BC229611  Mirabilis greenei John Thomas Howell 1952-6-14 28356 Siskiyou 6 miles W of Gazelle on road to Callahan Comment
  POM68866  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Near Yreka 1067 Comment
  UC1459328  Mirabilis greenei George E. Pilz 1973-5-25 993 Siskiyou 4 mi n Yreka (above Shasta River) 700 Comment
  CAS-BOT-BC433017  Mitella diversifolia D. E. Breedlove 1962-6-11 3350 Siskiyou Bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC61890  Mitella pentandra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC30027  Mitella pentandra Harley P. Chandler June, 1901 1555 b Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA123588  Mitella pentandra G. D. Barbe 1955-7-9 149 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  CAS-BOT-BC433075  Mitella trifida John Thomas Howell 1939-8-3 14977 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC433073  Mitella trifida Doris K. Kildale 1928-7-4 5478 Siskiyou 3 miles west of summit on road from Sawyers Bar to Etna Mills Comment
  HSC22250  Monardella glauca J. O. Sawyer 1969-8-4 1833 Siskiyou Above Sugar Lake 2134 Comment
  SEINET10700593  Monardella glauca Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 186 Siskiyou Klamath National Forest, 10.1 mi. on National Forest Rd. 70, off Hwy. 97 toward Oregon. 1933 Comment
  HSC76709  Monardella odoratissima K. T. Stillman 1976-7-14 228 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET3996774 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou East side of Mt. Shasta Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  CAS-BOT-BC222032  Monardella odoratissima subsp. glauca A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC222172  Monardella odoratissima subsp. pallida W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  HSC69261  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-20 3745 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA68919  Monardella odoratissima subsp. pallida A. E. Culbertson 1943-8-1 38 Siskiyou Castle Lake. 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 at its headwaters to the west. 1657 Comment
  RSA120904  Monardella purpurea Milo S. Baker 1957-6-16 13118 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  SEINET11263741  Monardella sheltonii Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 696 Siskiyou Along Forest Road 26 to Lake Siskiyou outside of Mt Shasta City.; 0 1270 Comment
  RSA29914  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  HSC73386  Montia linearis Robert Kirkpatrick, Doug Renwick 1981-5-30 159 Siskiyou 3 mi. from Hwy. 3 off FS Rd. 40N22 1220 Comment
  CAS-BOT-BC445214  Montia parvifolia Lillian Mott 1976-6-6 22 LM76 Siskiyou Road between Seiad Valley and Cook & Green Pass, Klamath River canyon 670 Comment
  HSC29455  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou Marble Mtn. Wilderness Area, base of precipice S of Abbott's Lake 1799 Comment
  CAS-BOT-BC267049  Muhlenbergia filiformis Doris K. Kildale 1928-8-18 6469 Siskiyou Near head of N Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC267053  Muhlenbergia filiformis Arthur Menzies 1962-6-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy 1706 Comment
  UCD86584  Muhlenbergia filiformis AHM 1955-7-30 55 Z Siskiyou Klamath National Forest. Marble Mountains. Hamilton Camp. 1828 Comment
  RSA239110  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Near north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SD122127  Myriopteris gracillima Robert T. Clausen, Harold Trapido 1940-7-26 4953 Siskiyou Canyon on Mud Creek, Mt. Shasta, southern Cascade Mountains 1584 Comment
  HSC30468  Najas flexilis Frederick W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mtns., Smith Lake. 1418 Comment
  JEPS1429  Nama densa W. L. Jepson 1940-6-23 19991 Siskiyou e Mayten (e side Little Shasta Valley); , e of Mayten 883 Comment
  UC1069117  Nama densa var. parviflora L. Whitney 1934-6-20 3 Siskiyou Tennant Dorris Quad., Tennant Comment
  UC455937  Nama lobbii I. J. Condit 1911-7-22 Siskiyou on Shasta Trail Sisson (Sisson) Comment
  CHSC2300  Narthecium californicum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2133 Comment
  RSA145168  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1829 Comment
  RSA601498  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UCD48606  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake, in forested hills, Siskiyou County. Comment
  CHSC71308  Navarretia leucocephala subsp. minima Vernon H. Oswald 1998-6-11 9226 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. In vernal pool. 1295 Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  POM73591  Nemophila parviflora var. austiniae Geo. D. Butler 1910-04 1231 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC230566  Nemophila parviflora var. parviflora Roxana S. Ferris; Laura Lorraine 1948-6-12 11739 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  UC164107  Nemophila pedunculata Geo. D. Butler 1910-5-7 1302 Siskiyou around Yreka; around Yreka Comment
  RSA120901  Noccaea Milo S. Baker 1957-6-16 13140 Siskiyou Scott Mountains Comment
  CAS-BOT-BC60596  Noccaea fendleri subsp. glauca R. C. Barneby 1954-5-16 11532 Siskiyou 6 miles southwest of Yreka. 975 Comment
  HSC25493  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5720 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 Comment
  UC1070113  Nothocalais troximoides R. D. Roseberry 1936-5-21 43 Siskiyou 1 mi ne Whitney Butte; Dorris Quad., Modoc Lava Beds National Monument Comment
  HSC60467  Nothochelone nemorosa Carl Wishner 1978-7-19 551 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  UCD110191  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  UCD110225  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks. 1066 Comment
  CHSC4525  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 57 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  CAS-BOT-BC349937  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 mi. w. of Yreka Comment
  HSC34269  Oreostemma alpigenum var. andersonii J. P. Smith, J. O. Sawyer 1973-8-14 7319 Siskiyou W of Cliff Lake 1982 Comment
  JEPS89441  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou 0.5 m below Gumboot Lake (North Coast Ranges, Gumboot Creek, watershed South Fork Sacramento River); North Coast Ranges, Gumboot Creek 1844 Comment
  UC1409452  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou south of Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  CAS-BOT-BC500331  Orobanche uniflora subsp. occidentalis Dorothy Parker 1949-7-10 s.n. Siskiyou Salmon Mountain Comment
  RSA0059187  Orobanche uniflora subsp. occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi SW of Weed near Kangaroo Lake Campground. Comment
  HSC77236  Orogenia fusiformis L. P. Janeway 1983-7-10 410 Siskiyou Poker Flat 1524 Comment
  HSC29192  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou High Lakes Basins, Marble Mountain Wilderness Area, Upper English Lake campsite at NE corner 1768 Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC19214  Orthilia secunda J. O. Sawyer 1968-7-10 507 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC29321  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Marble Mtn. Wilderness Area, N facing wooded slope leading down from Little Hancock Lake to Hancock Lake 1982 Comment
  HSC92964  Orthilia secunda Jennifer Whipple 1977-7-22 2029 Siskiyou Near Dobkins Lake 2073 Comment
  JEPS82433  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Valley, by waterfall, Marble Mt. Wilderness Area 1828 Comment
  UC141178  Orthilia secunda Dr. E. B. Copeland 1903-9-6 3924 Siskiyou Mt. Eddy 1371 Comment
  CAS-BOT-BC458083  Orthilia secunda D. Parker; Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  CAS-BOT-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  CAS-BOT-BC6998  Orthocarpus copelandii var. copelandii Edwin Bingham Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133 Comment
  JEPS23800  Orthocarpus cuspidatus subsp. copelandii Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-2 7231 Siskiyou near n base Caribou Mtn (Big Flat Campground, headwaters of South Fork of Salmon River, and just s of low divide separating Coffee Creek drainage from that of Salmon River); South Fork of Salmon River, Coffee Creek drainage 1508 Comment
  POM43433  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek. 1372 Comment
  UCD123232  Orthocarpus cuspidatus subsp. copelandii Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east of Marble Mountain, Marble Mountains, California. 1859 Comment
  HSC69285  Osmorhiza berteroi Maralyn A. Renner 1980-7-24 1952 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS15927  Osmorhiza berteroi W. L. Jepson July, 1894 14253 Siskiyou Sisson Comment
  HSC76759  Osmorhiza occidentalis K. T. Stillman 1976-7-14 238 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC318449  Packera cana Elmer Ivan Applegate 1935-6-10 9491 Siskiyou South slope of Caldwell Butte, Lava Beds national Monument Comment
  CAS-BOT-BC316759  Packera cana Elmer Ivan Applegate 9477 Siskiyou Thomas massacre area, 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
  JEPS13482  Packera streptanthifolia Milo S. Baker 1955-6-26 13076 Siskiyou 4 mi w Gazelle (on Highway 99); Klamath Mountains, Great Basin 914 Comment
  UCD88591  Panicum acuminatum var. fasciculatum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles east of Happy Camp. Comment
  JEPS83884  Parnassia californica Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass (along trail to Lily Pad Lake, Siskiyou Mountains); Siskiyou Mountains 1706 Comment
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
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May 8 2007
  CHSC78533  Parnassia palustris Vernon H. Oswald 2000-8-28 9956 Siskiyou Rock Fence Lake Road (40N18) near the junction with Kangaroo Lake Road. 1659 Comment
  CAS-BOT-BC175614  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  UCD86162  Pascopyrum smithii Collector Unknown 1950-3-1 s.n. Siskiyou Tule Lake area. Comment
  UC163986  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  UCSB25456  Paxistima myrsinites McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC266648  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  UC1733690  Pedicularis densiflora Frank Gould, Kay H. Beach 1940-5-16 1242 Siskiyou Bald Mt. Comment
  UC220831  Pedicularis densiflora H. E. Brown Jun 11 1897-Jun 16 1897 356 Siskiyou northside Mount Shasta 1524 Comment
  UC164356  Pedicularis groenlandica Geo. D. Butler 1910-6-19 1583 Siskiyou Goosevest Foothills 1524 Comment
  SJSU2578  Pedicularis howellii H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  HSC2366  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail 1890 Comment
  HSC4831  Pedicularis racemosa J. O. Sawyer 1968-7-22 523 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC922431  Pellaea breweri Annie M. Alexander and Louise Kellogg 1949-7-24 5861 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts 1920 Comment
  JEPS26526  Penstemon anguineus Lauramay T. Dempster 1961-7-2 1865 Siskiyou sw Etna (just ne of Salmon Summit); ne of Salmon Summit, sw of Etna 1828 Comment
  SD62067  Penstemon anguineus Darley F. Howe 1965-8-8 4125 Siskiyou Saddle, south side of Little Gray Back, Klamath National Forest 1402 Comment
  UCD124033  Penstemon anguineus Roman Gankin; Brewer, Hildreth, Milam 1965-8-10 604 Siskiyou summit of Indian Creek Road, 3.5 miles south of California-Oregon State line. Comment
  POM43273  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou Shackleford Creek. 1829 Comment
  SD75840  Penstemon anguineus Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, near Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  HSC77075  Penstemon azureus K. T. Stillman 1976-7-7 153 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET185112 Image available Penstemon azureus C. L. Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou peak above and north of Divide of Siskiyou Mts., California on Takilma Happy Camp road 1829 Comment
  UC61068  Penstemon azureus var. azureus W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou The Bend McCloud River, The Bend Comment
  CHSC30325  Penstemon cinicola M. S. Taylor 1980-8-18 3259 Siskiyou Pumice Stone Well, 0.5 mi n of Pumice Stone Mt. 1950 Comment
  SEINET3160254  Penstemon confertus G. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek upper Camphill Lake 1372 Comment
  CAS-BOT-BC265367  Penstemon davidsonii var. davidsonii R. H. Bolimannsou 1926-7-1 s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC265385  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain, Siskiyou Mountains 2164 Comment
  NY590188  Penstemon davidsonii var. davidsonii F. M. Ownbey 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  CAS-BOT-BC265383  Penstemon davidsonii var. davidsonii Ella Dales Cantelow 1940-6-2 s.n. Siskiyou 9.4 miles W of Indian Wells, Lava Beds Monument Comment
  HSC20981  Penstemon deustus R. C. Wunner 1965-6-7 115 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground 1387 Comment
  RSA412527  Penstemon deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  SJSU7926  Penstemon deustus J. W. Tilden 1958-6-26 1270 Siskiyou near Monument Headquarters, Lava Beds National Monument Comment
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Jun 9 2009
  SD61023  Penstemon deustus var. pedicellatus Darley F. Howe 1964-8-4 3932 Siskiyou 9 mi. from entrance to Modoc Nat. Forest. Lava Bed Nat. Monument 2042 Comment
  UC618804  Penstemon deustus var. suffrutescens David D. Keck 1938-6-17 11043 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail (on the lava outcropping along the trail) Comment
  HSC86439  Penstemon gracilentus D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  NY600712  Penstemon gracilentus F. W. Pennell 1940-7-19 26194 Siskiyou Mount Shasta 1981.2 Comment
  UCR47887  Penstemon heterodoxus 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
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  NY603842  Penstemon humilis var. humilis E. I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds, and Medicine Lake Comment
  UC1586983  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-26 2012 Siskiyou between Doolittle Creek and Stanza Creek (eastern tributaries of Elk Creek); Klamath National Forest, n of Sulphur Springs 1371 Comment
  CHSC93546  Penstemon laetus var. sagittatus Lowell Ahart; John Dittes 2005-6-9 12029 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS128  Penstemon laetus var. sagittatus Ruby Van Deventer 1938-7-31 196 Siskiyou trail to Twin Valley from Poker Flat; trail to Twin Valley from Poker Flat 1249 Comment
  SD98974  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 mi. SE of Granada 1219 Comment
  NY604556  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4511 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 and I-5 Bus. Loop in Weed. 1432.6 Comment
  RSA668198  Penstemon laetus var. sagittatus Karl Vincent 1987-6-28 4440 Siskiyou Cacade Range, Mt Shasta; old roadbed in lava flow area along E side of US 97 ca 5.1 mi NE of jct I-5 Bus. Loop in Weed. 1159 Comment
  CHSC4530  Penstemon newberryi J. E. Bowlin 1967-7-16 39 Siskiyou On roadside, ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  NY627427  Penstemon newberryi var. berryi H. P. Chandler 06 1901 1599 Siskiyou Near Marble Mountain 2133.6 Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC68490  Penstemon roezlii Maralyn A. Renner 1980-6-9 852 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA233702  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38971 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  RSA249720  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39006 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  POM257614  Penstemon sonomensis C. Leo Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak. 1780 Comment
  UCR93363  Penstemon speciosus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  HSC21060  Penstemon speciosus R. C. Wunner 1965-6-29 291 Siskiyou California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction 1616 Comment
  UC27591  Penstemon speciosus Miss Edmonds May, 1893 Siskiyou Comment
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC29411  Perideridia howellii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1309 Siskiyou Marble Mountain Wilderness Area, W of English Lake above main campsite 1799 Comment
  SD76662  Persicaria maculosa Helen V. Witham none given Siskiyou At bridge to Indian Scotty Campground, Scott River Comment
  CAS-BOT-BC419264  Persicaria maculosa Elmer I. Applegate 1923-9-6 3977 Siskiyou Klamath River, mouth of Doggett Creek Comment
  HSC49957  Phacelia cookei G. L. Clifton, Ground 1978-6-14 1040 Siskiyou Near Andesite, close to the town of Weed 1464 Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  HSC68991  Phacelia corymbosa Maralyn A. Renner 1980-7-28 2171 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC76892  Phacelia corymbosa K. T. Stillman 1976-7-7 159 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC726916  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  SFV3013  Phacelia greenei L. Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Summit of northwest spur of Scott Mountain. 1829 Comment
  SD53387  Phacelia hastata subsp. compacta Darley F. Howe 1962-8-4 3391 Siskiyou Near summit of Baldy Mt. 1737 Comment
  UC1602156  Phacelia hastata subsp. compacta John Thomas Howell 1939-7-26 13767 Siskiyou along Summit Trail below Lake Helen; Mount Shasta Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  CDA17143  Phacelia heterophylla subsp. virgata G. F. Hrusa 2001-6-6 15857 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  UCD77222  Phacelia heterophylla subsp. virgata Robert E. Preston 2001-6-23 1625 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  UC147529  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  JEPS25769  Phacelia leonis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7460 Siskiyou along Del Norte-Siskiyou co. boundary about 13 mi nw Happy Camp (meadow of valley); Siskiyou Mts., Indian Creek drainage, Twin Valley 1524 Comment
  SBBG20780  Phacelia linearis A. I. Richardson 1961-6-8 15 Siskiyou Big Springs Rd NE of jct with Hwy 97 Comment
  JEPS55975  Phacelia mutabilis John Thomas Howell 1939-8-9 15233 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  UC642571  Phacelia mutabilis W. Bridge Cooke 1939-7-7 13633 Siskiyou along Wagon Camp-Horse Camp Trail Mount Shasta Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  CDA21304  Phacelia pringlei Bill Ogden 2007-6-6 BO 1 -2007 Siskiyou Northern California; Bridge Rd, Weed. 0 Comment
  JEPS26529  Phacelia pringlei Lauramay T. Dempster 1961-7-3 1870 Siskiyou se Callahan (w face of mt.); Scott Mountain Comment
  JEPS34514  Phacelia pringlei Freed W. Hoffman 1948-7-7 2415 Siskiyou road to Callahan North Coast Ranges, Scott Mountains 1524 Comment
  RSA755541  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  JEPS1088  Phacelia procera W. L. Jepson Jul 17 1902-Jul 22 1902 2076 Siskiyou Salmon Summit Western Siskiyou 2286 Comment
  SBBG16265  Phacelia procera H. and M. Dearing 1939-7-1 3777 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC77412  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou Along Klamath River 1 mile above Hamburg 243 Comment
  CAS-BOT-BC77418  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-26 5055 Siskiyou Near Sawyers Bar Comment
  CAS-BOT-BC77421  Philadelphus lewisii Doris K. Kildale 1928-8-20 6636 Siskiyou North Fork Salmon River near Seiad at Finley Upper Camp Comment
  CAS-BOT-BC77425  Philadelphus lewisii Gilbert Muth 1965-8-3 s.n. Siskiyou Down creek from Marble Valley Comment
  UC570849  Philadelphus lewisii Dorothy Tebbe 1929-7-9 28 Siskiyou White's Gulch Salmon Mountains, Salmon River Comment
  RSA0058050  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou Down creek from Marble Valley, Marble Mts. Comment
  RSA0097441  Philadelphus lewisii John H. Thomas 1949-6-16 s.n. Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CHSC4540  Phlox caespitosa J. E. Bowlin 1967-7-18 56 Siskiyou 150 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. It is 15.5 mi. from the center of the city of Shasta. 2407 Comment
  HSC19155  Phlox diffusa J. O. Sawyer 1969-7-24 1484 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC46348  Phlox diffusa J. P. Smith 1973-5-5 6424 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC86537  Phlox diffusa D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, W of Red Butte 2134 Comment
  JEPS20031  Phlox gracilis George D. Butler 1909-3-19 570 Siskiyou near Yreka (Butler's ranch) Comment
  JEPS82447  Phlox gracilis Gilbert Muth 1966-7-18 419 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC232827  Phlox hirsuta L. B. Kildale 1930-6-1 9830 Siskiyou Mill Creek, near Etna Mills Comment
  UC1017687  Phoenicaulis cheiranthoides Marion Ownbey and Ruth P. Ownbey 1938-7-19 1752 Siskiyou 2 1/2 mi. n.w. Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts. Comment
  JEPS95661  Phoradendron densum Vernon H. Oswald and L. Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate. Parasitic on juniper (Juniperus occidentalis). 1554 Comment
  CAS-BOT-BC56504  Phyllodoce empetriformis W. B. C. 1938-7-21 11291 Siskiyou Panther Creek Heather Meadow 2286 Comment
  CHSC603  Phyllodoce empetriformis V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  RSA105410  Phyllodoce empetriformis G. D. Barbe 1955-7-26 286 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  SEINET7270871  Phyllodoce empetriformis H. A. Jensen 1933-9-5 s.n. Siskiyou Slope of Shastina 2591 Comment
  CHSC91684  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 mi. n. of Montague. Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC60761  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  HSC38584  Physocarpus capitatus J. P. Smith, Steve Selva 1970-8-7 4544 Siskiyou Comment
  JEPS87965  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  CAS-BOT-BC78167  Picea breweriana Doris K. Kildale 1928-8-19 6561 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  RSA183439  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  RSA237213  Picea breweriana Frederick W. Oettinger 1967-8-26 334 Siskiyou NE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  UC667969  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou in a cold cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  CAS-BOT-BC78181  Picea breweriana Jim Young 1962-11-10 s.n. Siskiyou Sugar Creek 1524 Comment
  JEPS35941  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  HSC19111  Pinus albicaulis J. O. Sawyer 1969-7-10 1297 Siskiyou Ridges E of Russian Peak 2256 Comment
  JEPS47878  Pinus albicaulis Geo. D. Butler 1908-8-5 520 Siskiyou summit next to Cold Spring Gulch (old cabin trail) Comment
  CAS-BOT-BC78326  Pinus attenuata John Thomas Howell 1937-7-27 13571 Siskiyou Salmon River near Big Flat 1524 Comment
  NY34636  Pinus attenuata K. Morris 1973-5-25 276 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1452401  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-6-30 Siskiyou slope of Mount Eddy Mount Eddy 2225 Comment
  CAS-BOT-BC78412  Pinus balfouriana Milo S. Baker Aug 8 246 a-'26 Siskiyou Saddle bet. Red Mt and Granite 2286 Comment
  SBBG33719  Pinus balfouriana W. M. Plumb 1969-9-23 Siskiyou between Cory Pk and China Mtn 2133 Comment
  UC401405  Pinus contorta Annie M. Alexander and L. Kellogg 1911-6-20 161 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC78719  Pinus jeffreyi Doris K. Kildale 1929-8-23 8801 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  HSC32594  Pinus lambertiana Steven Lagos 1974-5-26 88 Siskiyou Duck Lake Creek drainage, Bulk Collection # 62 1220 Comment
  JEPS47927  Pinus lambertiana B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA237211  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA624393  Pinus lambertiana L. C. Wheeler 1952-9-17 6937 Siskiyou Unspecified. Comment
  CAS-BOT-BC78959  Pinus monticola H. A. Thomas; J. H. Thomas 1954-7-24 4517 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC32581  Pinus monticola Steven Lagos 1974-5-26 84 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 64 2073 Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  POM120192  Pinus ponderosa Geo D. Butler 1910-4-24 1237 Siskiyou Quartz Valley Comment
  UC401411  Pinus ponderosa Geo. D. Butler 1908-7-12 1097 Siskiyou Humbug Mountain Comment
  JEPS64473  Piperia colemanii W. L. Jepson 1894-8-4 21280 Siskiyou halfway from Sisson to Horse Camp; Mt. Shasta 1524 Comment
  JEPS25766  Piperia elongata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7471 Siskiyou about 5 mi s Clear Creek (or 4 mi n of Swillup Creek, along road-bank on State Hwy 96, along Klamath River); Klamath River 292 Comment
  POM107822  Piperia unalascensis Geo D. Butler 1910-7-8 1671 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  UC54743  Plagiobothrys hispidulus Harley P. Chandler June 1901 1704 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1828 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
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 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
  HSC67923  Plantago major J. P. Smith, Steve Selva 1970-7-27 4515 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UCSB51239  Platanthera dilatata Almanza, Ed 1976-7-14 Siskiyou at lakeside spring; Northwest bank; Castle Lake 2407 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  HSC68348  Plectritis ciliosa J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC68375  Plectritis congesta J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC43855  Plectritis macrocera Maralyn O'Meara 1974-5-25 378 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC890152  Plectritis macrocera Louis C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  HSC30562  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  HSC30564  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  RSA184793  Poa bolanderi Gilbert Muth 1966-7-17 402 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  RSA239047  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou Southwest of Wire Grass meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC254990  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC254997  Poa bulbosa Morris Halperin 1930-5-17 301 Siskiyou Near Yreka Comment
  UCD90674  Poa bulbosa Morris Halperin 1931-4-28 326 Siskiyou road between Montague and Ager. Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  UCD90924  Poa cusickii subsp. epilis Rimo Bacigalupi 1959-7-1 7197 Siskiyou above Mt. Shasta Ski Bowl Lodge; southwestern slopes of Mt. Shasta. 2834 Comment
  CAS-BOT-BC256018  Poa pratensis John Thomas Howell; T. C. Fuller 1980-4-29 53431 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CDA2359  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2771 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  RSA577534  Poa pratensis L. C. Wheeler 1935-5-11 3484 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. (Mt Diablo Mer.) 610 Comment
  CAS-BOT-BC255232  Poa pratensis subsp. pratensis L. P. Janeway 1983-8-26 592 Siskiyou Poker Flat, Siskiyou Mountains 1524 Comment
  UC1037088  Poa pratensis subsp. pratensis Leo Whitney 1934-6-29 2222 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  POM112569  Poa rhizomata Geo D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  RSA126059  Poa secunda I. L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  RSA239033  Poa secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA603830  Poa secunda L. C. Wheeler 1935-5-4 3464 Siskiyou Siskiyou Mountains; Greenhorn Creek. 854 Comment
  CAS-BOT-BC243228  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou Near Yreka Comment
  HSC42965  Poa secunda subsp. secunda J. O. Sawyer, Ken Stillman 1976-5-29 2753 Siskiyou Along Specimen Creek. 884 Comment
  UC196957  Poa secunda subsp. secunda Geo. D. Butler 1910-4-16 1187 Siskiyou Klamath hills Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  UCD91740  Poa wheeleri Dean Wm. Taylor 1975-8-14 5462 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC244326  Podagrostis humilis John Thomas Howell 1939-8-3 15001 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  JEPS69915  Polemonium californicum W. L. Jepson 1907-7-5 2827 Siskiyou Marble Mt. Comment
  SBBG6065  Polemonium californicum H. and M. Dearing 1939-7-2 3805 Siskiyou Salmon Mtn 1676 Comment
  UCSB12373  Polemonium californicum Dearing, Hugh; Dearing, Margaret 1939-7-2 Siskiyou Salmon Mt. 1676 Comment
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Dec 10 2013
  SEINET13759088  Polemonium micranthum G. D. Butler 1910-3-23 1137 Siskiyou Near Yreka Comment
  CAS-BOT-BC231346  Polemonium pulcherrimum Gilbert J. Muth 1969-8-7 1273 Siskiyou Boulder Peak Ridge Comment
  LA206593  Polemonium pulcherrimum L. Ellison; 1928-11-11 516 Siskiyou Mt Shasta 2743 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  SEINET12279655  Polemonium pulcherrimum H. P. Chandler 1901-1 1671 Siskiyou Marble Mountain 2438 Comment
  JEPS69909  Polemonium pulcherrimum var. pilosum W. L. Jepson 1894-8-4 14998 Siskiyou Mt. Shasta; above snow line Comment
  CAS-BOT-BC6423  Polemonium tricolor Harley Pierce Chandler 1901-6-1 1671 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  RSA237757  Polygonum bistortoides Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1286 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CDA2791  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou Northeast corner of Siskiyou Avenue & Interstate 5 freeway, and in yards along Siskiyou Avenue, north limits of Dunsmuir. 0 Comment
  UC375322  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 189 Siskiyou near Yreka Comment
  JEPS117465  Polygonum hydropiperoides Lowell Ahart, John Dittes 2010-7-30 16933 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC418585  Polygonum minimum Alice Eastwood 1921-7-24 10752 a Siskiyou Castle Lake Comment
  CHSC110955  Polygonum minimum B. Castro; L. P. Janeway 2007-7-29 1667 A Siskiyou High Cascade Range. Medicine Lake Highlands; about 0.5 mi W of Medicine Lake, 0.3 mi W on USFS Rd43N48 from its jcn with Rd 43N47 (which is the road to Schonchin Spring). 2075 Comment
  HSC23696  Polygonum minimum J. O. Sawyer 1969-8-4 1877 Siskiyou S of S Sugar Lake 2104 Comment
  SBBG29123  Polygonum minimum L. C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mtns; R9W, T47N, S18 1828 Comment
  SEINET10904455  Polygonum newberryi Mary Susan Taylor 1980-8-19 Taylor 3269 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
  RSA237794  Polygonum phytolaccifolium Frederick W. Oettinger 1967-8-23 320 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC420069  Polygonum polygaloides subsp. kelloggii Wm. Bridge Cooke 1939-7-13 13653 Siskiyou Mount Shasta. Portion of Squaw Valley Creek Meadows Comment
  CHSC102557  Polygonum shastense L. P. Janeway 2009-8-3 9884 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  HSC17533  Polygonum shastense W. L. Jepson 1894-8-4 14785 Siskiyou Mt. Shasta, timber line Comment
  HSC98374  Polygonum shastense J. M. DiTomaso 1980-8-26 1914 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  SEINET10848475  Polygonum shastense Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 867 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  HSC17549  Polygonum spergulariiforme Geo. D. Butler 1908-9-6 198 Siskiyou Upper field, Butler's Ranch near Yreka Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  HSC45877  Polystichum imbricans subsp. curtum J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  UC338387  Polystichum imbricans subsp. imbricans unknown 1888-9-12 Siskiyou Mt. Shasta 3657 Comment
  JEPS89825  Polystichum lemmonii Dean William Taylor 1972-7-4 1976 Siskiyou near Lily Pad Lake 3 mi. w. Cook and Green Pass 1981 Comment
  HSC79125  Polystichum lemmonii C. J. Thomas 1983-10-1 77 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM212871  Polystichum lemmonii L. C. Wheeler 1934-8-14 11415 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  RSA693360  Polystichum lemmonii M. B. Dunkle 1945-07 9277 Siskiyou Paradise Lake, Marble Mountains Comment
  HSC34293  Polystichum lonchitis J. P. Smith, J. O. Sawyer 1973-8-14 7287 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  LA204823  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-9 732 Siskiyou Klamath Mts., Castle Lake, bluff at the S end of the lake 2133 Comment
  SD82108  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Siskiyou Mountains, Dead Cow Creek, Mt. Diablo Mer. 1890 Comment
  UC922427  Polystichum lonchitis Annie M. Alexander and Louise Kellogg 1949-7-24 5858 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts., Paradise Lake 1920 Comment
  CAS-BOT-BC72516  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  HSC27007  Polystichum scopulinum J. P. Smith, J. O. Sawyer 1972-9-12 5771 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  HSC79140  Polystichum scopulinum C. J. Thomas 1983-10-1 94 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  CAS-BOT-BC102399  Populus fremontii Grant 1902-9-15 5257 Siskiyou Dunsmuir 609 Comment
  HSC99282  Populus fremontii subsp. fremontii Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  CAS-BOT-BC102770  Populus tremuloides L. E. Smith 1918-4-29 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC102954  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  RSA184757  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  JEPS77668  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou bank of South Fork Salmon River Big Flat (below campground); Trinity Alps 1508 Comment
  HSC29337  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou Marble Mtn. Wilderness Area, Salamander Lake, 0.7 mi. NE of Abbotts Lake 1791 Comment
  UC1100098  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-8-26 8288 Siskiyou 1/2 mi w of Tulelake Comment
  JEPS84265  Potentilla breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6339 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass); sw of Cook and Green Pass, se Red Butte, nne of Seiad Valley 1730 Comment
  SEINET11916232  Potentilla breweri var. expansa H. P. Chandler 1901-1 1697 Siskiyou Ridges & meadows near Marble Mtn 1524 Comment
  RSA237619  Potentilla drummondii Frederick W. Oettinger 1967-7-26 188 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC4790  Potentilla flabellifolia William J. Ferlatte 1966-8-5 359 Siskiyou Caribou Mtn. 2470 Comment
  UC574866  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  RSA237616  Potentilla flabellifolia Frederick W. Oettinger 1968-9-5 718 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC555306  Potentilla fruticosa D. Tebbe 1929-7-15 124 Siskiyou Mt. Eddy Comment
  RSA237856  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-15 526 Siskiyou E side of Hancock lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA237859  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-16 531 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  JEPS94062  Potentilla gracilis var. fastigiata Vernon H. Oswald and Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on west side of Bray. 1417 Comment
  HSC126  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mtn. Meadow Ranch 1524 Comment
  JEPS96962  Potentilla millefolia var. klamathensis Dean W. Taylor 1997-6-12 16058 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  HSC69056  Prunella vulgaris Maralyn A. Renner 1980-8-6 2314 Siskiyou Cracker Meadow 1555 Comment
  JEPS124566 Image available Prunella vulgaris subsp. lanceolata Michael Fleschner 1965-7-14 1965 -141 Siskiyou 4 miles west of Deadhouse summit HWY 89. Comment
  SEINET3157235  Prunus demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC19188  Prunus emarginata J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC1312930  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake (base on e side of Kings Castle); Marble Mountain Wilderness Area, Kings Castle 1981 Comment
  UC719804  Prunus emarginata Rogers McVaugh 1941-8-4 6231 Siskiyou 1 mi s of Mount Shasta City Comment
  UC796547  Prunus emarginata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11776 Siskiyou about 5.5 mi from Etna (on forks of Salmon Road) Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  HSC27240  Prunus virginiana var. demissa J. P. Smith, J. O. Sawyer 1971-9-18 4810 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC1409342  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou above English Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CHSC63596  Pseudognaphalium stramineum Vernon H. Oswald; Lowell Ahart 1994-8-10 6451 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  CAS-BOT-BC357577  Pseudognaphalium stramineum Carl B. Wolf 1927-8-26 1061 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC61666  Pseudognaphalium thermale Geo. B. Grant 1902-9-1 5075 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  UC618634  Pseudognaphalium thermale unknown 1938-8-5 11452 Siskiyou near MacBride Spring; Mount Shasta 1524 Comment
  HSC29165  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Marble Mtn. Wilderness Area, ridge from Arrow Peak to King David Peak, English Lake Basin 1936 Comment
  CAS-BOT-BC239809  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  RSA129185  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 miles N.W. of Paradise Cragg. Yreka 732 Comment
  JEPS93903  Pseudostellaria jamesiana Vernon H. Oswald and Lowell Ahart 1998-8-3 9427 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC1185303  Pseudostellaria jamesiana H. E. Brown June 1-10, 1897 330 Siskiyou near Sisson; near Sisson 1083 Comment
  UC1185304  Pseudostellaria jamesiana H. E. Brown 1897-6-10 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC45039  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-21 2983 Siskiyou Near Prescott Peak 1677 Comment
  HSC45187  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-18 2931 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC73297  Pteridium aquilinum var. pubescens M. A. Baker 1980-6-20 2194 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS82420  Pteridium aquilinum var. pubescens Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley horse pasture Marble Valley; Marble Mt Wilderness Area 1792 Comment
  UC618696  Pteridium aquilinum var. pubescens W. Bridge Cooke 1938-9-2 11589 Siskiyou Sisson Southern Trail Mt Shasta Comment
  UCD78117  Pteridium aquilinum var. pubescens Robert E. Preston 2001-6-30 1662 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  HSC30661  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou Marble Mountain Wilderness Area, near Tom Taylor Cabin 2027 Comment
  CHSC1418  Pterospora andromedea 1936-7-14 Siskiyou Black Butte 1158 Comment
  CAS-BOT-BC460549  Pterospora andromedea Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  CAS-BOT-BC460553  Pterospora andromedea Alice Eastwood 1921-7-24 10799 Siskiyou Castle Lake Comment
  CAS-BOT-BC460555  Pterospora andromedea Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt., Forest Road 1524 Comment
  RSA240082  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Near where trail to Cold Springs heads out of English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  UC57350  Pteryxia terebinthina var. californica J. G. Lemmon and wife 1889-6-27 45 Siskiyou Edgewood, Siskiyou County Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS107958  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD22431  Purshia tridentata Brian Vanden Heuvel 2003-4-10 193 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  JEPS18589  Purshia tridentata var. tridentata W. L. Jepson Jul 1894 13843 Siskiyou Sisson Comment
  JEPS23190  Pycnanthemum californicum W. L. Jepson 1914-8-13 5785 Siskiyou Sisson 1097 Comment
  UC456120  Pycnanthemum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC460870  Pyrola aphylla Alice Eastwood 1921-7-26 10860 Siskiyou Soda Creek Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  HSC67673  Pyrola minor John Palmer 1980-7-24 594 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC166181  Pyrola picta Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC466131  Pyrola picta Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  OBI55398  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  HSC27470  Quercus chrysolepis J. P. Smith, J. O. Sawyer 1972-5-28 5386 Siskiyou Salmon River at bridge west of O'Farrill Gulch 549 Comment
  UCD45700  Quercus douglasii Miss C. Hoak 1903-1 Siskiyou 16 mi S. of Ashland, Oregon, near Calif. Line- 3000 ft. up the Siskiyou. 914 Comment
  CAS-BOT-BC94648  Quercus garryana Doris K. Kildale 1928-8-18 6430 Siskiyou North Fork Salmon River, at Finley Camp Comment
  JEPS37935  Quercus garryana W. L. Jepson 1907-7-22 2955 Siskiyou Hamburg, w Siskiyou County Klamath River Comment
  RSA639547  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6941 Siskiyou [No location information on label.] Comment
  POM106327  Quercus garryana var. garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River. 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
  CAS-BOT-BC105467  Quercus kelloggii Lewis S. Rose 1925-7-12 s.n. Siskiyou Shasta Springs Comment
  HSC40047  Quercus kelloggii J. O. Sawyer 1970-7-14 2355 Siskiyou S side of Bear Mtn. 1707 Comment
  RSA23948  Quercus sadleriana O. V. Matthews 1939-7-3 22 Siskiyou Upper Limits of Sullivan Mine Grove, Cook-Green region. 1067 Comment
  SD75845  Quercus sadleriana Darley F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback 1524 Comment
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Jul 11 2010
  UCR80887  Quercus sadleriana G. Fred Hrusa 1993-8-14 11400 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
  CAS-BOT-BC104619  Quercus vacciniifolia Doris K. Kildale 1928-8-19 6564 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC104643  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 Comment
  HSC69561  Quercus vacciniifolia Maralyn A. Renner 1980-8-6 2288 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC338542  Quercus vacciniifolia unknown Siskiyou near Sisson's; Mt. Eddy Comment
  UC338544  Quercus vacciniifolia unknown 1889-9-7 Siskiyou near Sisson's; Mt. Eddy Comment
  UC455272  Quercus vacciniifolia I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1676 Comment
  UCD14013  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  CAS-BOT-BC380414  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 1225 Siskiyou Bull Meadows 11 mi west of Highway US 97 on road to Montague 1676 Comment
  UC480880  Ranunculus aquatilis var. capillaceus Milo S. Baker 1898-8-1 470 Siskiyou Medicine Lake 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
  HSC519  Ranunculus eschscholtzii var. eschscholtzii William J. Ferlatte 1967-7-26 758 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  RSA211131  Ranunculus eschscholtzii var. suksdorfii William J. Ferlatte 1967-7-26 758 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC165298  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  POM99951  Ranunculus glaberrimus var. ellipticus Geo. D. Butler 1910-3-6 1117 Siskiyou Shasta River Comment
  UC1409274  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area (outlet stream at ne corner) 1905 Comment
  POM100034  Ranunculus occidentalis Geo. D. Butler 1909-3-14 507 Siskiyou Dry ditch near Yreka Comment
  POM268891  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  SEINET12903708 Image available Rhamnus obtusissima E. B. Copeland 1903-1 3833 Siskiyou Sisson 1097 Comment
  HSC4876  Rhododendron columbianum J. O. Sawyer 1968-7-23 585 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC58187  Rhododendron columbianum Volney Rattan 1879-1-1 s.n. Siskiyou Illinois River. Comment
  CAS-BOT-BC200404  Rhododendron occidentale var. paludosum C. F. Rose 1930-5-1 s.n. Siskiyou Near Redding Comment
  CAS-BOT-BC200669  Rhus aromatica H. E. Brown 1897-7-15 595 Siskiyou On the South side of Mt. Shasta 3048 Comment
  JEPS66277  Rhus trilobata Willis L. Jepson 1894-8-9 13916 Siskiyou Shasta Springs; Upper Sacramento Region Comment
  POM127811  Rhus trilobata var. quinata L. R. Abrams 1922-8-6 9909 Siskiyou Klamath River 6 miles below Hornbrook Comment
  JEPS49277  Ribes aureum var. aureum Geo. D. Butler 1908-6-28 266 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  CAS-BOT-BC92536  Ribes binominatum John Thomas Howell 1937-7-29 13672 Siskiyou North side of Scott Mountain. Comment
  CAS-BOT-BC94998  Ribes binominatum R. C. Wenk 2005-6-17 173 Siskiyou Trinity Alps, S Fork of the Salmon River, near Big Flat Campground at S end of Big Flat Meadow 1517 Comment
  POM215880  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., 1677 Comment
  POM92615  Ribes binominatum Geo. D. Butler 1910-7-8 1682 Siskiyou Shackelford Creek. 1220 Comment
  CAS-BOT-BC108776  Ribes cereum Elmer I. Applegate 1935-8-4 10026 Siskiyou Upper Ice Cave, Lava Beds National Monument. Comment
  LA205410  Ribes cereum Louis C. Wheeler; 1934-6-29 2825 Siskiyou Siskiyou Mountains, Soda Creek, Sterling Mountain 1280 Comment
  CAS-BOT-BC173298  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  HSC633  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC46796  Ribes lacustre William J. Ferlatte 1974-7-15 1539 Siskiyou Yellow Rose Mine Trail 1646 Comment
  HSC65659  Ribes lobbii J. P. Smith, Steve Selva 1970-6-16 4077 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS48554  Ribes lobbii Hilda W. Grinnell 1935-6-8 Siskiyou head Doggett Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  JEPS49317  Ribes lobbii Annie M. Alexander and Louise Kellogg 1911-6-17 154 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC212490  Ribes marshallii Doris K. Kildale 1928-8-20 6605 Siskiyou Lily Pad Lake nera Hancock Lookout Trail to Marble Mt. 1981 Comment
  UC637073  Ribes marshallii Edward Lee 1934-8-15 1131 Siskiyou Near Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed Klamath National Forest 1584 Comment
  UC195251  Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 164 Siskiyou Jackson Lake 1798 Comment
  CDA25560  Ribes odoratum J. R. Grisham 1965-7-29 Siskiyou F. Schultz property, Yreka. 0 Comment
  HSC46734  Ribes roezlii William J. Ferlatte 1976-9-22 1862 Siskiyou W side of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  UC164962  Ribes sanguineum Geo. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC144508  Ribes sanguineum var. sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  SD230240  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville 1372 Comment
  RSA0020886  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou 8 miles north of Weed, on US Highway 97. Comment
  CAS-BOT-BC168806  Ribes viscosissimum John Thomas Howell 1937-7-26 13549 Siskiyou Caribou Gulch Comment
  RSA29463  Rorippa columbiae J. William Thompson 1936-7-8 13148 Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  SEINET5760509 Image available Rorippa curvisiliqua var. orientalis H. E. Brown 1897-1 573 Siskiyou S side of Mount Shasta 1524 Comment
  UC1871393  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  HSC26766  Rosa californica J. P. Smith, J. O. Sawyer 1971-9-18 4841 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  JEPS45676  Rosa gymnocarpa W. L. Jepson 1907-7-4 2811 Siskiyou near Marble Mt. (w Siskiyou Co.); Shackelford Canyon Comment
  RSA237791  Rosa gymnocarpa Frederick W. Oettinger 1967-7-30 223 Siskiyou Outlet stream N end of Abbotts Lake, about 200 yards down from the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC147052  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  CAS-BOT-BC147141  Rubus glaucifolius D. K. Noyes 1911-9-29 22 Siskiyou Klamath National Forest Comment
  POM91434  Rubus glaucifolius Geo. D. Butler 1910-6-17 1566 Siskiyou Humbug[?] Mtn 1220 Comment
  CAS-BOT-BC147163  Rubus laciniatus Alice Eastwood 1912-7-23 1317 Siskiyou Dunsmuir Comment
  HSC60413  Rubus laciniatus J. P. Smith, Steve Selva 1970-6-15 3901 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA150573  Rubus laciniatus Lee W. Lenz 1961-6-22 24359 Siskiyou 9 miles from the forks of the Salmon River on road to Somes Bar. 396 Comment
  CAS-BOT-BC147985  Rubus leucodermis Doris K. Kildale 1929-7-20 8681 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CAS-BOT-BC147312  Rubus parviflorus Wm. Bridge Cooke 1938-6-17 11049 Siskiyou Sisson Southern Trail Comment
  HSC27673  Rubus parviflorus Carl W. Mize 1972-6-8 31 Siskiyou Along main trail near Deer Lick Creek 351 Comment
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Feb 21 2013
  HSC27679  Rubus ursinus Carl W. Mize 1972-6-8 37 Siskiyou By Wooley Creek in rocks and sand 335 Comment
  UC1483553  Rubus ursinus John Palmer 1980-8-12 713 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  JEPS87796  Rudbeckia glaucescens Vernon H. Oswald and Lowell Ahart 1994-8-1 6418 Siskiyou 9 mi. s.w. of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 0.3 mi. e. of Forest Rd. 40N43) 1438 Comment
  JEPS11910  Rudbeckia klamathensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4789 Siskiyou 4 mi below summit of road and Del Norte - Siskiyou Co. line (along Happy Camp-Takilma road, upper reaches of Indian Creek Canyon, nw corner Siskiyou County); Indian Creek Canyon 1005 Comment
  HSC19446  Rumex acetosella J. O. Sawyer 1969-7-11 1342 Siskiyou Along trail to Sugar Lake 1707 Comment
  UC375324  Rumex salicifolius var. salicifolius Geo. D. Butler 1908-7-6 512 Siskiyou near Yreka Comment
  CAS-BOT-BC454115  Ruppia cirrhosa Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39035 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of junction of Hwys 97 and 161 1280 Comment
  RSA8226  Sagittaria cuneata Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain. Comment
  CAS-BOT-BC445721  Sagittaria latifolia L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  JEPS80592  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  UC375236  Salix eastwoodiae Geo. D. Butler 1908-8-7 152 Siskiyou bank of lake at head of W. Fork Woody Creek Comment
  RSA105505  Salix exigua G. D. Barbe 1955-6-28 8 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  SBBG58916  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River, at Gibson flag station, 125 km N of Red Bluff 450 Comment
  HSC46778  Salix lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou Big Flat, S Fork of Salmon River below campground 1509 Comment
  CAS-BOT-BC419729  Salix lasiandra var. lasiandra Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -083 Siskiyou Upper Parks Creek watershed, 2 miles NE of China Mountain, eastern Klamath Ranges. Along road/trail 41N73A. 2011 Comment
  SD1001  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf ranch house 1349 Comment
  CAS-BOT-BC107064  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  UC576378  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 841 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CDA39550  Salix lasiolepis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2626 Siskiyou 0.4 km northeast of Oro Fino. Comment
  UC481735  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. Shasta City (n. side Mt. Eddy, 180 m. below Dobkin's Lake); Mt. Eddy 1770 Comment
  UC482243  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 421 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, edge of stream above Metcalf ranch house); Mt. Eddy 1425 Comment
  CAS-BOT-BC125067  Salix ligulifolia L. S. Smith 1931-6-7 3 Siskiyou Tahoe National Forest, Mt. Shasta, Middle Fork American River near Chalf Bluff Xing 1066 Comment
  UC449844  Salix melanopsis L. S. Smith 1931-6-1 14 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC126164  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; at bridge, about 1.3 km. east of Burney Mill 1110 Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  POM219900  Salix scouleriana H. P. Bracelin 1931-6-20 444 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  RSA238271  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC449842  Salix scouleriana L. S. Smith 1931-6-1 15 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC175654  Salsola tragus Carl B. Wolf 1927-8-26 1014 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC1408789  Sambucus mexicana Frederick W. Oettinger 1968-8-23 618 Siskiyou just w Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  CAS-BOT-BC238890  Sambucus nigra subsp. caerulea Elmer I. Applegate 1935-6-5 9304 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  HSC65077  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-6-15 3938 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC31888  Sambucus nigra subsp. caerulea Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Along Rd. 8 to Sugar Creek trail, ca. 2 mi. from Hwy. 3 Comment
  HSC22467  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1369 Siskiyou Above S Russian Creek. 2012 Comment
  SEINET3240202  Santalaceae R. L. Mathiasen 2003-1 2003 -50 Siskiyou 0.7 km S of Eaton Lake, Russian Peak Wilderness 1900 Comment
  RSA303574  Saponaria officinalis J. R. Shevock 1972-7-26 2228 Siskiyou Along the Klamath River. 518 Comment
  RSA576939  Saponaria officinalis L. C. Wheeler 1934-10-6 3308 Siskiyou Yreka Creek 1 mile S of Yreka. 823 Comment
  UCD98478  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground. 579 Comment
  RSA210860  Sarcobatus vermiculatus James Henrickson, C. Tilforth 1969-9-3 39040 Siskiyou 2 mi W of Lower Kalmath National Wildlife refuge 1296 Comment
  POM211804  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  RSA13890  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  RSA237374  Saxifraga Frederick W. Oettinger 1967-7-8 154 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC166558  Saxifraga ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  UC530059  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson Dairy; Siskiyou Mountains, Johnson Dairy 1706 Comment
  RSA238322  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 1037 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  RSA238314  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou Bear Upper Meadow, Toms Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC166561  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou Highland Mine Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  JEPS117472  Scirpus americanus Lowell Ahart, John Dittes 2010-7-30 16968 Siskiyou About 10 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UCD21464  Scirpus congdonii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1204 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  HSC30684  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou Marble Mtn. Wilderness Area, S end of Horses Hole pond above Horse Range Lake 1875 Comment
  RSA366109  Scirpus lineatus L. C. Wheeler 1934-7-17 2914 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1037 Comment
  UC1265450  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou on inlet stream Upper English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  HSC101742  Scleranthus annuus subsp. annuus J. P. Smith, J. O. Sawyer 2010-5-2 12803 Siskiyou Oak Bottom River Access Road 175 Comment
  UC821369  Scribneria bolanderi Louis C. Wheeler 1935-5-1 3450 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  CAS-BOT-BC214254  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Near Igerna Comment
  CAS-BOT-BC64654  Sedum kiersteadiae H. E. Brown 1897-6-15 440 Siskiyou North Side Mt. Shasta, 3048 Comment
  CAS-BOT-BC61451  Sedum lanceolatum Miss D. Tebbe 1929-6-7 130 Siskiyou Crater Lake, Mount Eddy Comment
  JEPS40870  Sedum laxum subsp. heckneri Paul C. Hutchison 1962-8-5 958 Siskiyou 3.7 mi above mouth Carberry Creek (Middle Fork Applegate River, e-facing cliffs); Middle Fork Applegate River, above mouth Carberry Creek 762 Comment
  CAS-BOT-BC61467  Sedum laxum subsp. laxum Gilbert Muth 1969-8-6 s.n. Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC64658  Sedum oregonense Edward Lee 1934-8-14 1105 Siskiyou Little Grayback, Siskiyou-Del Norte County line. 1868 Comment
  RSA0083653  Sedum oregonense L. C. Wheeler 1963-8-25 8271 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  JEPS81635  Sedum rosea subsp. integrifolium Roger Raiche 1982-7-7 20576 Siskiyou Alex Hole Siskiyou Mts., Alex Hole (at center of hole near campground, Siskiyou Mts.) 1950 Comment
  JEPS82427  Sedum rosea subsp. integrifolium Gilbert Muth 1966-7-31 474 Siskiyou n side Black Mt. (Marble Mt. Wilderness Area); , n side Black Mt. 2057 Comment
  RSA0074726  Sedum spathulifolium Gilbert Muth 1965-8-3 158 Siskiyou Marble Valley, Marble Mtns. Comment
  CHSC90388  Selaginella wallacei Martin J. Lenz 2004-12-17 1085 Siskiyou Road cutbank near small tributary of Tompkins Cr., approx. 7.1 air mi. SW of mouth of Scott River. UTM: 10 489596 E 4616333 N. 957 Comment
  RSA629724  Selaginella wallacei Louis Cutter Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  HSC43380  Senecio aronicoides Maralyn O'Meara 1974-5-26 457 Siskiyou Along FS road 47N03 1524 Comment
  SBBG8726  Senecio aronicoides H. and M. Dearing 1939-6-5 3557 Siskiyou E of McCloud Comment
  UC128665  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou near Sisson Comment
  UC1040774  Senecio hydrophilus Thomas C. Horn 1956-8-6 Siskiyou w side Lower Klamath Lake; w side Lower Klamath Lake Comment
  JEPS37284  Senecio integerrimus var. major Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  CAS-BOT-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  RSA0125067  Senecio integerrimus var. ochroleucus George D. Butler 1910-5-1 1263 Siskiyou Huckberry Mountain. 1219 Comment
  OBI55440  Senecio sylvaticus David J. Keil 1992-7-20 23499 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest rd 46N64, 6.5 mi W of Scott river Rd, 1 mi S of turnoff to Lover's camp Comment
  CAS-BOT-BC364442  Senecio triangularis Doris K. Kildale 1928-7-2 5402 Siskiyou Salmon Summit, via Horn Creek trail Comment
  HSC22189  Senecio triangularis J. O. Sawyer 1969-8-4 1810 Siskiyou Above Sugar Lake 2134 Comment
  HSC96289  Senecio triangularis Gordon Leppig 1998-8-14 1010 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA264986  Senecio triangularis G. L. Clifton 1975-7-28 5765 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  UC34193  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  HSC103910  Sidalcea asprella subsp. nana Dana York 2010-9-12 3018 Siskiyou Six Rivers National Forest; ~1.7 km NW of Broken Rib Mountain, in dense forest below road 1250 Comment
  HSC82364  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS104952  Sidalcea oregana subsp. oregana Dean W. Taylor 1996-6-26 15743 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
  RSA518677  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud. 976 Comment
  UC1299200  Sidalcea oregana subsp. oregana Freed W. Hoffman 1951-7-15 4032 Siskiyou on w side Kelsey Creek (Hammond Camp, Marble Mountains, western Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  UC668092  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  JEPS84222  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  HSC99733  Silene campanulata subsp. greenei G. L. Clifton, Grisswold 1979-6-28 6111 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC29618  Silene grayi Frederick W. Oettinger 1968-8-16 549 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area: East side of Hancock Lake 1951 Comment
  HSC103775  Silene hookeri subsp. hookeri M. R. Mesler 2014-6-6 1637 Siskiyou Elk Creek Rd (16N05) near Happy Camp 500 Comment
  UC1586858  Silene invisa Juha Pykala and D. H. Norris 1987-7-7 2338 Siskiyou e China Mountain (beside a trail from Deadfall Creek Meadow to Stewart Springs); Shasta National Forest, fr Deadfall Crk Mdws to Stewart Spri 1889 Comment
  CAS-BOT-BC389421  Silene lemmonii Peter H. Raven 1956-9-5 10447 Siskiyou North Fork of Sacramento River 2194 Comment
  UC585108  Silene lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1999 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); , above Sulloway Creek 1188 Comment
  UC796625  Silene lemmonii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11735 Siskiyou French Creek Logging Road w Callahan; w of Callahan 1066 Comment
  HSC32246  Silene lemmonii J. O. Sawyer 1970-6-17 2210 Siskiyou Along CCC Rd. 1433 Comment
  CAS-BOT-BC389534  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  CHSC48344  Sisymbrium altissimum Vernon Oswald 1986-5-29 2068 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  RSA120903  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou Roadcut just S of Weed. Comment
  UCR21089  Sisyrinchium bellum T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CDA39480  Sisyrinchium douglasii F. D. Horn & D. H. Shaw 1978-3-1 s.n. Siskiyou Shasta River Canyon near Yreka. 0 Comment
  HSC44592  Sisyrinchium idahoense var. idahoense Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  UC1076036  Smilax californica Herbert L. Mason 1947-5-15 14756 Siskiyou nw Edgewood Comment
  JEPS107961  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCR131608  Solanum nigrum L. C. Wheeler 1934-9-17 3274 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC157043  Solanum umbelliferum L. R. Short 1933-5-30 120 Siskiyou Klamath National Forest. Bank of Highway 579 Comment
  CAS-BOT-BC157045  Solanum umbelliferum C. R. Quick 1958-6-17 58 -32 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA237487  Solidago canadensis subsp. elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou Tobacco Lake Meadow, The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC365562  Solidago elongata Nora Pettibone 1894-8-11 s.n. Siskiyou Upper Soda Springs Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  JEPS80578  Solidago elongata Gilbert Muth 1965-8-3 146 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  UC618666  Solidago elongata W. Bridge Cooke 1938-8-19 11510 Siskiyou Howard 1219 Comment
  UC133241  Solidago multiradiata E. B. Copeland 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  UC166585  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou near Oro Fino Comment
  UC446912  Solidago velutina subsp. californica L. F. Henderson 1929-8-24 11469 Siskiyou near Takilma, Oregon (but over the line in California); near Takilma, Oregon but over the line in California Comment
  CAS-BOT-BC157323  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  JEPS95096  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  CAS-BOT-BC158938  Sorbus scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek 1371 Comment
  SBBG33705  Sorbus scopulina W. M. Plumb 1969-9-23 Siskiyou Indian Crk Comment
  UC630394  Sparganium angustifolium Annetta Carter 1939-8-20 1464 Siskiyou 12 mi sw Etna (nw end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  HSC83919  Sparganium emersum K. Berg, Stephanie Bennett 1986-8-25 651 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC16043  Sphaeralcea ambigua D. M. Thomson 1965-8-6 166 Siskiyou Lava Beds N.M., S Boundry Rd., near Tichner Rd. Comment
  UC106124  Sphenosciadium capitellatum unknown Siskiyou Mt. Shasta Comment
  JEPS44996  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek 1828 Comment
  JEPS83883  Spiraea densiflora Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Lake); Siskiyou Mts., vicinity of Cook and Green Pass, Lily Lake 1706 Comment
  UC1736474  Spiraea densiflora subsp. densiflora Dean W. Taylor 1972-7-3 1600 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC149683  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC149685  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Shackleford Creek 1219 Comment
  HSC18901  Spiraea douglasii J. O. Sawyer 1968-7-23 572 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC13093  Spiraea douglasii C. B. Bradley Jun 1879 Siskiyou Comment
  UCD21462  Spiraea douglasii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1202 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC152550  Spiraea splendens L. E. Smith 1913-9-1 549 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152551  Spiraea splendens L. E. Smith 1913-6-29 437 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152557  Spiraea splendens Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  UC164419  Spiranthes romanzoffiana Geo. D. Butler 1908-8-3 28 Siskiyou Log Lake Shackleford Creek Comment
  HSC26908  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1971-9-17 4774 Siskiyou Little Duck Lake outlet Comment
  UC1483439  Stachys ajugoides var. rigida John Palmer 1980-8-15 962 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  HSC58881  Stachys rigida var. rigida Marvin Butler 1971-7-21 194 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  HSC719  Stellaria crispa William J. Ferlatte 1967-8-20 1058 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  SEINET12558131 Image available Stellaria crispa Frederick W. Oettinger 1968-1 723 Siskiyou The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Campsite near stream, Hancock Lake. 1951 Comment
  JEPS20033  Stellaria media George D. Butler 1909-3-19 559 Siskiyou near Yreka (on Butler's Ranch) Comment
  HSC4294  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  CAS-BOT-BC516472  Stenanthium occidentale J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness ARea 1920 Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  RSA577802  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  JEPS36844  Stephanomeria lactucina Geo. D. Butler 1909-1 Siskiyou Highland Mine, Russian Creek North Fork of Salmon River, Russian Creek 1828 Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  CHSC63599  Stephanomeria paniculata Vernon H. Oswald; Lowell Ahart 1994-8-10 6453 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. Roadside. 1097 Comment
  HSC18976  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-20 1568 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  CAS-BOT-BC61125  Streptanthus barbatus L. E. Smith 1913-6-29 418 Siskiyou Rainbow. Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  HSC40419  Streptanthus tortuosus J. O. Sawyer 1973-7-15 2537 Siskiyou On Wooley Creek Trail between Deer Lick and Gates Creek 366 Comment
  RSA183658  Streptanthus tortuosus Gilbert Muth 1965-8-5 171 Siskiyou On trail to Black Mtn, Marble Mtns. 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
  SJSU8319  Streptanthus tortuosus M. R. Kempf 1965-7-13 309 Siskiyou slope above Horse Camp, SW slope of Mt Shasta 2438 Comment
  UC1492825  Streptanthus tortuosus Freed W. Hoffman 1951-7-12 4031 Siskiyou trail to Elk Lake Marble Mountains Comment
  SBBG21904  Streptanthus tortuosus var. orbiculatus D. Myrick 1962-7-25 952 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  HSC29181  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  HSC76979  Streptanthus tortuosus var. tortuosus K. T. Stillman 1976-6-25 41 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS82491  Streptanthus tortuosus var. tortuosus Gilbert Muth 1965-8-5 171 Siskiyou on trail to Black Mt.; Marble Mt. Wilderness Area 1889 Comment
  UC1334017  Streptanthus tortuosus var. tortuosus Dorothy Parker 1949-7-10 343 Siskiyou 2 mi from summit of Salmon Mountain; Siskiyou Mountains 1828 Comment
  HSC61794  Swertia albicaulis var. nitida Ruby Van Deventer 16 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC269622  Symphoricarpos albus var. laevigatus G. P. Rixford No date on label s.n. Siskiyou Hilt Comment
  HSC42981  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-29 2734 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  JEPS24629  Symphoricarpos mollis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6784 Siskiyou e of and a little above MacBride Springs (s slopes of Mount Shasta); Mt. Shasta 1432 Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  UC585185  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1921 Siskiyou about 7 mi sw Yreka (s of highway from Fort Jones to Yreka); Forest House Mt. 1371 Comment
  UC223702  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3923 Siskiyou s end Lower Klamath Lake, (Willow Creek) Willow Creek Comment
  UC166162  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Edgewood Comment
  CAS-BOT-BC97887  Symphyotrichum eatonii L. E. Smith 1912-8-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC98432  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-6 1230 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
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  CAS-BOT-BC81339  Taxus brevifolia J. G. Lemmon & Wife s.n. Siskiyou Near Mt. Shasta Comment
  CAS-BOT-BC85232  Taxus brevifolia John Thomas Howell; Gordon H. True 1972-6-8 48862 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC85238  Taxus brevifolia Doris K. Kildale 1928-4-2 4403 Siskiyou Klamath River at Somes Bar Comment
  HSC98257  Taxus brevifolia G. L. Clifton, Griswold 1979-6-28 6128 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC719802  Taxus brevifolia R. McVaugh 1941-8-4 6233 Siskiyou n of Shasta Retreat (rocky banks of the Sacramento River); Sacramento River Comment
  CAS-BOT-BC85234  Taxus brevifolia W. R. Dudley 1901-8-22 s.n. Siskiyou W. slope of Foxtail Ridge Salmon Mountains 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
  UC1539985  Tetradymia canescens M. Mitchell 1936-5-2 41 Siskiyou 0.25 mi sw Fleener Chimneys; Lava Beds National Monument 1402 Comment
  JEPS68262  Thelypodium brachycarpum L. R. Heckard 1972-5-31 2935 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  CAS-BOT-BC88114  Thelypodium laciniatum L. E. Smith 1914-4-25 643 Siskiyou Yreka. Comment
  MACF002237  Thelypteris nevadensis Donald L. Branscomb 1958-7-29 27259 Siskiyou Castle Lake Comment
  HSC41794  Thermopsis macrophylla Brent Whiteley 1975-6-28 64 Siskiyou Irving sale of the Klamath River. 915 Comment
  JEPS93873  Thlaspi arvense Vernon H. Oswald and Lowell Ahart 1998-7-21 9322 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  CHSC63390  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1994-7-11 6403 Siskiyou Forest Rd. 26 (to Mt. Shasta) at Gumboot Creek, ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. On a roadside bank near the creek. 1783 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  CAS-BOT-BC67266  Thysanocarpus radians Grace Wood 1919-4-19 s.n. Siskiyou Yreka. Comment
  HSC18877  Tiarella trifoliata var. unifoliata J. O. Sawyer 1968-9-10 687 Siskiyou Below Young's Meadow on Clear Creek. 1372 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
  CAS-BOT-BC519572  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-26 942 Siskiyou Along trail to Eddy Mountain Comment
  NY444545  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Comment
  SEINET13710780  Trichostema oblongum Lowell William Ahart, Lowell William Ahart 1998-1 9358 Siskiyou NE of Weed, E of Grass Lake, and West of Bray on Old Stste Hwy. 0.8 Mi. E of Tennent Rd. (T44N, R1W, sec 20, SW 1/4) 4650 Ft. 1417 Comment
  SBBG15778  Trientalis latifolia D. Myrick 1961-6-21 305 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  SEINET3164071  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  POM28045  Trifolium albopurpureum Geo. D. Butler 1909-5-13 710 Siskiyou Klamath hills Comment
  UC909321  Trifolium albopurpureum var. dichotomum Dorothy Parker 1948-5-25 Siskiyou near Callahan 975 Comment
  SBBG25902  Trifolium cyathiferum D. Myrick 1966-8-9 1513 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC58921  Trifolium eriocephalum Marvin Butler 1971-7-11 90 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  POM28034  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffitt Creek Comment
  JEPS48900  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1908-6-28 379 Siskiyou Butler's Ranch Quartz Valley Comment
  UC968606  Trifolium eriocephalum var. eriocephalum C. L. Hitchcock and J. S. Martin 1939-7-7 5276 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  UCR256430  Trifolium hirtum Barbara L. Wilson, Caitlin Coberley 2011-6-16 16251 Siskiyou north edge of rest area on Hwy I-5 southbound, north of the town of Weed 888 Comment
  CAS-BOT-BC219043  Trifolium howellii Geo. D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC219045  Trifolium howellii Geo. D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek 1219 Comment
  HSC2319  Trifolium howellii Geo. D. Butler 1910-7-8 1689 Siskiyou Shackleford Creek 1220 Comment
  HSC61931  Trifolium howellii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  UC1409202  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou vicinity English Peak (Pine Lake Meadow); Salmon Mtns, Marble Mtn Wilderness area 1874 Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  SBBG22140  Trifolium longipes C. B. Hardham 1961-6-30 8126 Siskiyou White Mtn, near springs 1828 Comment
  UC163859  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou near Yreka Comment
  JEPS101830  Trifolium pratense Dean W. Taylor 1997-6-11 16050 Siskiyou Scott Valley, meadow along Clark Creek; ca. 2 miles west from Highway 3 and 2 mi S of Etna 975 Comment
  UC642529  Trifolium pratense W. B. Cooke 1939-6-23 13520 Siskiyou Bear Springs Mt. Shasta 1524 Comment
  HSC93002  Trifolium productum Jennifer Whipple 1977-8-6 2236 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA91574  Trifolium productum J. T. Howell 13402 Siskiyou Caribou Basin, Salmon-Trinity Alps 1982 Comment
  UC375414  Trifolium repens Geo. D. Butler 1908-6-23 1036 Siskiyou Yreka Comment
  POM222616  Trifolium repens H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  POM20461  Trifolium variegatum E. B. Copeland 1903-7-7 3554 Siskiyou Hornbrook. Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  HSC32295  Trillium ovatum J. O. Sawyer 1971-6-29 2397 Siskiyou Elk Hole 1524 Comment
  HSC69029  Trillium ovatum Maralyn A. Renner 1980-7-28 2184 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA234824  Trillium ovatum Frederick W. Oettinger 1969-8-25 1557 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  HSC37441  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-5 201 Siskiyou Stream crossing rd. to Duck Lakes Trail 1.0 mi. from trailhead 1707 Comment
  RSA211419  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  RSA234821  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou West of Statue Creek near the point where the Music Creek logging road makes hairpin turn. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1756 Comment
  RSA234823  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-14 1020 Siskiyou South of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC18998  Trisetum spicatum J. O. Sawyer 1969-7-9 1249 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC4777  Trisetum spicatum William J. Ferlatte 1966-8-5 329 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC76726  Trisetum spicatum K. T. Stillman 1976-8-8 398 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  RSA238976  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Trail southeast of Tom's Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC68487  Triteleia crocea Maralyn A. Renner 1980-6-9 841 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS5654  Triteleia crocea W. L. Jepson 1907-7-10 2877 Siskiyou near Preston Peak; Siskiyou Mountains Comment
  CAS-BOT-BC522340  Triteleia hyacinthina W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow Comment
  CAS-BOT-BC522341  Triteleia hyacinthina A. A. Heller 1893-6-21 13265 Siskiyou Compton's prairie, north base of Mt. Eddy in the yellow pine belt. 1158 Comment
  POM109809  Triteleia hyacinthina Geo D. Butler 1910-5-27 1415 Siskiyou Shasta Valley Comment
  POM110211  Triteleia hyacinthina Geo D. Butler 1908-8-4 108 Siskiyou Head of Shackleford Creek. Comment
  CAS-BOT-BC524314  Triteleia ixioides subsp. anilina Mrs. Van Fassen 1925-4-1 s. n. Siskiyou Dunsmuir 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
  CDA42169  Utricularia vulgaris P. Zedeker 1964-7-28 s.n. Siskiyou Orr Lake, northwest of Bray. 0 Comment
  RSA238861  Vaccinium Frederick W. Oettinger 1969-07 14 Siskiyou Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC19105  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1614 Siskiyou Horseshoe Lake 2073 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  HSC19515  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1679 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC199232  Vaccinium membranaceum Doris K. Kildale 1928-8-19 6548 Siskiyou 1/4 mile south of Hancock Lake, on trail to Marble Mt Comment
  HSC18951  Vaccinium membranaceum J. O. Sawyer 1968-9-28 736 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC19370  Vaccinium membranaceum J. O. Sawyer 1968-7-22 255 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC165967  Vaccinium membranaceum Geo. D. Butler 1908-8-8 30 Siskiyou s of Lake (at head of West Fork of Wooley Creek); West Fork of Wooley Creek Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  RSA238863  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-1 1133 Siskiyou Side of Wiregrass Meadow and bordering on the English Lake outlet brook. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC76881  Valeriana californica K. T. Stillman 1976-6-27 151 Siskiyou Marble Mtn. Wilderness Area. Comment
  HSC29291  Valeriana sitchensis subsp. sitchensis Frederick W. Oettinger 1968-8-6 425 Siskiyou Marble Mtn. Wilderness Area, along stream at SE corner of Hancock Lake. 1936 Comment
  CDA6694  Valerianella locusta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2585 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  SBBG26966  Valerianella locusta L. C. Wheeler 1935-5-11 3485 Siskiyou Siskiyou Mtns 609 Comment
  CAS-BOT-BC527989  Veratrum Doris K. Kildale 1928-8-19 6501 a Siskiyou English Lake, head of north fork of Salmon River Comment