Search Results — 2000 specimen records retrieved (1350 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78129  Abies X shastensis G. B. Grant 1902-7-16 s.n. Siskiyou Alta Meadow Comment
  HSC44740  Abies X shastensis Maralyn O'Meara 1974-5-25 397 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC36939  Abies concolor J. P. Smith 1974-5-26 7561 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69559  Abies concolor Maralyn A. Renner 1980-8-6 2290 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC97952  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1981 Comment
  HSC4983  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC96306  Abies lasiocarpa var. lasiocarpa Gordon Leppig 1998-8-14 1031 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC1029451  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou Salmon Mountain Salmon Mountains (between Etna and summit) 1828 Comment
  RSA14365  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  RSA96934  Acer circinatum Percy C. Everett, E. K. Balls 1954-10-11 20270 Siskiyou South fork of Sacramento River, 3 miles southwest from town of Mt. Shasta on road to Castle Lake 884 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
  UC635157  Acer glabrum var. glabrum D. Tebbe 1929-6-26 12 Siskiyou Big Bear Gully Salmon Mountains, Big Bear Gully Comment
  HSC672  Acer glabrum var. torreyi William J. Ferlatte 1967-7-9 689 Siskiyou Kidd Creek 1890 Comment
  JEPS86134  Acer glabrum var. torreyi Wayne Roderick 1956-2 Siskiyou near start of trail to Little Castle Lake (Castle Lake); Castle Lake 1676 Comment
  RSA211413  Acer glabrum var. torreyi William J. Ferlatte 1967-7-9 689 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  CAS-BOT-BC83  Achillea lanulosa subsp. lanulosa Amos Arthur Heller 1905-6-19 8067 Siskiyou Grenada, near Grenada (RR) station Comment
  HSC160  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC18870  Achillea millefolium William Bridge Cooke 1938-6-24 11067 a Siskiyou Mount Shasta, MacBride Springs (also at Bear Springs) 1524 Comment
  HSC27621  Achlys triphylla Carl W. Mize 1972-6-22 88 Siskiyou Draw past cut block #48 1113 Comment
  POM115236  Achnatherum lemmonii var. lemmonii Geo D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  UCD103802  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12116 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC43030  Acmispon micranthus J. O. Sawyer, Ken Stillman 1976-7-2 2803 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  HSC100269  Aconitum columbianum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13059 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  JEPS80543  Aconitum columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  UC61662  Aconitum columbianum Geo. B. Grant September 1902 5262 Siskiyou Shasta Springs Mt. Shasta, Shasta Springs 609 Comment
  HSC22296  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-23 1186 Siskiyou Along road near Horse Range Creek. 1341 Comment
  POM208200  Aconitum columbianum var. columbianum Louis C. Wheeler 1934-6-18 2724 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  CAS-BOT-BC413840  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  UCD98807  Aconogonon phytolaccifolium John M. Tucker 1963-7-7 3714 Siskiyou vicinity of Paradise Lake, on east side and at the base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  RSA687743  Adiantum aleuticum M. B. Dunkle 1945-1 9314 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  UC1483405  Adiantum aleuticum Maralyn A. Renner 1980-6-24 1005 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by FS Rd 48N20); Klamath Nat'l Forest, Seiad Valley Quadrangle 1021 Comment
  UCD124874  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou pahoehoe lava at entrance of lava cave; Lava Beds National Monument. Comment
  SBBG39077  Agastache urticifolia C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  SD88560  Agastache urticifolia Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp 1646 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  POM56238  Agoseris glauca var. dasycephala Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills. 1524 Comment
  CHSC30240  Agoseris glauca var. monticola M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3266 Siskiyou Paint Pot Crater. 1920 Comment
  CHSC34258  Agoseris glauca var. monticola J. D. Jokerst; M. D. Huffine 1981-9-8 1467 Siskiyou Between West Parks Cr and first rd to the west. 1798 Comment
  RSA416392  Agoseris grandiflora B. C. Templeton 1960-6-21 8525 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  UC891262  Agoseris grandiflora var. grandiflora A. A. Heller 1916-8-12 12555 Siskiyou n Sisson 1127 Comment
  HSC43864  Agoseris heterophylla Maralyn O'Meara 1974-5-25 373 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC61075  Agoseris heterophylla W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  HSC26916  Agrostis exarata J. P. Smith, J. O. Sawyer 1971-9-17 4779 Siskiyou Little Duck Lake Comment
  UCD52127  Agrostis exarata Beecher Crampton 1956-8-21 3826 Siskiyou 1/2 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. 1767 Comment
  CAS-BOT-BC139563  Agrostis gigantea A. A. Heller 1920-8-12 13509 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1158 Comment
  HSC85690  Agrostis gigantea J. P. Smith 1980-8-24 10339 Siskiyou Scott Mountain Campground 1646 Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC30557  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  UCD53259  Agrostis pallens R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N. of Happy Camp. Comment
  HSC30584  Agrostis scabra Frederick W. Oettinger, R. F. Thorne 1969-8-4 1169 Siskiyou Marble Mtn. Wilderness Area, outlet to Hancock Lake. 1890 Comment
  HSC710  Agrostis scabra William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  UCD53370  Agrostis scabra Robert E. Preston 2001-8-26 1763 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  UC618861  Agrostis thurberiana W. Bridge Cooke 1938-9-17 11695 Siskiyou Water Supply Spring, Horse Camp Mount Shasta 2468 Comment
  CAS-BOT-BC138475  Agrostis variabilis H. A. Thomas; J. H. Thomas 1954-7-24 4512 A Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  CAS-BOT-BC138476  Agrostis variabilis Elmer I. Applegate 1923-8-17 3838 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  UC201705  Alisma plantago-aquatica Geo. D. Butler 1910-8-21 1854 Siskiyou Shasta River Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  CAS-BOT-BC459434  Allium acuminatum L. R. Short 1933-6-16 31 Siskiyou Klamath Forest 762 Comment
  UC1560907  Allium bolanderi Hannah C. Aase 1940-7-6 Siskiyou 2.5 mi w Hilt Comment
Read comments
Jun 18 2011
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  UCSB18160  Allium bolanderi 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC94409  Allium campanulatum R. C. Wenk 2005-7-15 213 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC98161  Allium campanulatum J. O. Sawyer 1969-7-15 1115 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  RSA237878  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou North of Tom s Lower pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  HSC69270  Allium falcifolium John S. Palmer 1980-7-24 641 Siskiyou Dillon Divide 1707 Comment
  CAS-BOT-BC469240  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11716 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East fork of Scott River Comment
  CAS-BOT-BC469245  Allium falcifolium Alice Eastwood; John Thomas Howell 1934-4-20 s.n. Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC469249  Allium falcifolium A. A. Heller 1916-7-22 12491 Siskiyou East side of Mt Eddy Comment
  HSC4964  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 343 Siskiyou Along Horse Range Creek 1646 Comment
  CAS-BOT-BC169636  Alnus rhombifolia Alice Eastwood 1921-7-30 11010 Siskiyou Shasta Springs, along river Comment
  CAS-BOT-BC169639  Alnus rhombifolia Alice Eastwood 1912-8-30 s.n. Siskiyou N Fork Trail Mount Eddy Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  HSC67668  Alnus viridis subsp. sinuata John Palmer 1980-7-24 588 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA184765  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  RSA238552  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, near Base Camp along the trail between Diamond and Hancock Lakes. 2012 Comment
  UC1313037  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yd from Deep Creek (and 1/4 mi n of Deep Lake); Marble Mountain Comment
  CAS-BOT-BC17201  Alyssum alyssoides L. E. Smith 1913-4-22 90 Siskiyou Yreka. Comment
  RSA48581  Alyssum alyssoides P. A. Munz 1949-5-18 13307 Siskiyou 14 miles SW of Gazelle on Callahan road. 1463 Comment
  RSA245268  Amaranthus blitoides J. P. Smith, J. Sawyer 1972-9-14 5797 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  HSC68453  Amelanchier alnifolia Maralyn A. Renner 1980-7-4 1401 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC18535  Amelanchier pallida R. C. Wunner 1965-8-17 443 Siskiyou California Lava Beds National Monument; Indian Wells Campground 1433 Comment
  CAS-BOT-BC136890  Amelanchier utahensis Doris K. Kildale 1929-8-24 8830 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC136895  Amelanchier utahensis D. E. Breedlove 1962-6-11 3363 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CAS-BOT-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  CAS-BOT-BC136899  Amelanchier utahensis John Thomas Howell 1939-8-6 15098 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC136900  Amelanchier utahensis John Thomas Howell 1939-8-2 14919 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC136905  Amelanchier utahensis Alice Eastwood 1912-7-15 1081 Siskiyou McCloud Comment
  CAS-BOT-BC136906  Amelanchier utahensis Alice Eastwood 1923-5-23 11931 Siskiyou Along railroad between Mott and Cantara Comment
  CAS-BOT-BC136909  Amelanchier utahensis Doris K. Kildale 1928-8-18 6412 Siskiyou North Fork Salmon River at Finley Camp Comment
  UC144389 Image available Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou Yreka Comment
  UCSB15828  Amelanchier utahensis Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  RSA0089979  Amsinckia retrorsa E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon. Comment
  HSC3531  Amsinckia tessellata D. M. Thomson 1965-6-12 83 Siskiyou Lava Beds National Monument, Hovey Point Comment
  HSC61911  Anaphalis margaritacea Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS95387  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1994-8-1 6416 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  UC891433  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou at, foot of Mt. Eddy Wagon Creek; Mt. Eddy Comment
  UC165413  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou (dry trodden places) Oro Fino Comment
  UCD118717  Androsace elongata subsp. acuta Louis C. Wheeler 1935-1 3432 Siskiyou Greenhorn creek, Siskiyou Mts. 944 Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 Comment
  HSC69536  Anemone deltoidea Maralyn A. Renner 1980-8-6 2257 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC391798  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  CHSC1426  Anemone drummondii V. Holt 1943-8-1 Siskiyou Marble mountains. 1828 Comment
  UC165301  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mt. 1676 Comment
  UC609311  Anemone drummondii Eleanor Burks Hart 1938-8-20 944 Siskiyou below Red Cap 2407 Comment
  HSC4928  Anemone lyallii J. O. Sawyer 1968-7-2 361 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC391937  Anemone multifida Gilbert Muth 1965-8-6 s.n. Siskiyou North side of Black Mountain Comment
  UCD95483  Anemone occidentalis Dean Wm. Taylor 1975-8-14 5451 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  RSA259561  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside W of Cliff Lake 1982 Comment
  UC668273  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou in shell-rock cirque on n.e. side of peak Salmon Summit 2103 Comment
  SD109159  Angelica arguta Joseph M. DiTomaso 1980-7-23 1782 Siskiyou End of road to Lily Pad Lake below Kangaroo Peak; 25 miles north of Seiad. 1525 Comment
  JEPS19765  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  HSC71966  Angelica tomentosa J. M. DiTomaso 1980-8-20 1891 Siskiyou Trail at Caribou Lake in Salmon-Trinity Alps Wilderness Area 1951 Comment
  HSC67769  Antennaria argentea John S. Palmer 1980-8-12 747 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC127735  Antennaria argentea Harley P. Chandler 1901-6-1 1714 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  HSC58900  Antennaria corymbosa Marvin Butler 1971-8-31 327 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1464 Comment
  HSC46213  Antennaria dimorpha Jennifer Whipple 1976-5-2 904 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CAS-BOT-BC58721  Antennaria geyeri Alice Eastwood 1921-7-29 10958 Siskiyou Little Mt. Hoffman Comment
  JEPS14953  Antennaria geyeri A. A. Heller 1916-7-21 12482 Siskiyou near Upton 1097 Comment
  UC485652  Antennaria geyeri T. S. Brandegee Siskiyou Sisson Comment
  UC891579  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on highway #49) 1066 Comment
  CAS-BOT-BC58710  Antennaria geyeri Elmer I. Applegate 1936-7-3 10496 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  CAS-BOT-BC77345  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC79907  Antennaria microphylla Elmer I. Applegate 1935-6-8 9429 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UC165973  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Sh<?>leford Creek 1219 Comment
  UC1190277  Antennaria rosea Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UCR37827  Antennaria rosea K. T. Stillman 1976-8-7 213 Siskiyou Marble Mountain Wilderness Area [Elk Valley head], Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC102226  Anthemis cotula Alice Eastwood 1912-7-22 1309 Siskiyou Sisson Comment
  UC909318  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 Siskiyou near Sniktaw Creek (along road at Quartz Valley); Quartz Valley 914 Comment
  CHSC1171  Aphyllon purpureum M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  HSC61204  Apocynum androsaemifolium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC105499  Apocynum androsaemifolium Brandegee July 1887 Siskiyou Sissons Comment
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  JEPS46319  Apocynum androsaemifolium Ruby Van Deventer 1938-7-3 183 Siskiyou between Poker Flat and Twin Valley 1371 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  RSA403115  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1960-6-21 8538 Siskiyou Between Callahan and the summit of Scott mts. Comment
  UC853775  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou near Wagon Creek Falls e side of Mt. Eddy Comment
  HSC23654  Arabis breweri var. breweri J. O. Sawyer 1969-7-24 1466 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  RSA0126075  Arabis divaricarpa Geo. D. Butler 1900-7-8 1664 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  HSC22442  Arabis divaricarpa var. interposita J. O. Sawyer 1969-6-2 1020 Siskiyou Summit above Albert Lake 2256 Comment
  UC705860  Arabis glabra Marion Ownbey and Fred G. Meyer 1940-7-7 2207 Siskiyou sw of Yreka (along Soap Ridge Road) Comment
  HSC46817  Arabis glabra William J. Ferlatte 1974-7-14 1520 Siskiyou Big Flat, near S fork of Salmon River, E side of Big Flat Campground and lower slopes of Grouse Ridge 1524 Comment
  HSC69143  Arabis koehleri Maralyn A. Renner 1980-8-8 2474 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC92692  Arabis modesta D. L. Goforth 1980-4-26 487 Siskiyou Klamath River at McKinney Creek 537 Comment
  HSC90566  Arabis puberula Jennifer Whipple 1977-7-20 1981 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  RSA237353  Arabis rigidissima var. rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou West face of Peak just east of Hancock Lake. Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1999 Comment
  HSC39238  Arabis subpinnatifida J. P. Smith 1976-5-21 8757 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  HSC46182  Arabis subpinnatifida Jennifer Whipple 1977-4-29 1867 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS53189  Arabis suffrutescens Harley P. Chandler Jun 1901 1678 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  POM299041  Aralia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near its mouth, 3 miles east of Happy Camp Comment
  JEPS48993  Arceuthobium Geo. D. Butler 1908-8-4 270 Siskiyou head of Shackleford Creek 1676 Comment
  POM354175  Arceuthobium abietinum Louis C. Wheeler 1934-8-10 3102 Siskiyou Dead Cow Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1890 Comment
  CDA22358  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  UC1034036  Arceuthobium cyanocarpum WBC 1941-8-21 16212 Siskiyou nw side of Shastina Mount Shasta 2438 Comment
  SEINET2139750  Arceuthobium monticola R. L. Mathiasen 2008-1 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  CAS-BOT-BC102220  Arctium minus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek Comment
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  CAS-BOT-BC39006  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20804 Siskiyou On rocky north-facing bluff above uppermost lake above Terrace Lake. 1981 Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC46435  Arctostaphylos patula H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy. Above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46464  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Hwy. 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC46477  Arctostaphylos patula 1911-6-15 s.n. Siskiyou Jackson Lake. Comment
  JEPS2745 Image available Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Mt. Shasta Region; Dunsmuir, Mt. Shasta region Comment
  JEPS38835  Arctostaphylos patula W. L. Jepson 1914-8-9 5743 Siskiyou McCloud 1036 Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  UC166057  Arctostaphylos patula Geo. D. Butler 1909-3-28 586 Siskiyou Yreka hills Comment
  HSC67138  Arctostaphylos viscida J. P. Smith 1973-5-5 6482 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC73228  Arctostaphylos viscida Gail Newton 1980-6-20 531 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC47015  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-4-27 7482 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  POM77309  Arctostaphylos viscida subsp. viscida Geo D. Butler 1909-4-26 693 Siskiyou Oro Fisco hills. Comment
  RSA47638  Arctostaphylos viscida subsp. viscida Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11799 Siskiyou Scott Mountain Road south of Callahan. Comment
  SEINET11943706  Arenaria rubella H. P. Chandler 1901-1 1673 Siskiyou Marble Mountain 2438 Comment
  UCR51822  Arenaria serpyllifolia L. C. Wheeler 1934-1-4 02641 Siskiyou Siskiyou Mtns, Ridge east of Nigger Gulch off Klamath River 1067 Comment
  RSA423698  Arenaria serpyllifolia L. C. Wheeler 1934-6-3 2623 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  UC796528  Arenaria serpyllifolia subsp. serpyllifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11721 Siskiyou w Callahan (French Creek Loggin Road) 1066 Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  RSA237421  Arnica amplexicaulis Frederick W. Oettinger 1968-9-4 698 Siskiyou On the SE side of Abbott's lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1299272  Arnica cernua Freed W. Hoffman 1950-7-13 3547 Siskiyou Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  CHSC88368  Arnica chamissonis Jenny Marr 1993-7-1 174 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC82368  Arnica cordifolia L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  JEPS35920  Arnica cordifolia W. L. Jepson 1907-7-6 2849 Siskiyou Cudahay Valley (valley above) Cudahay Valley Comment
  UCD129106  Arnica cordifolia Sandy Holloway 1963-5-19 59 Siskiyou 2.5 miles west of Hawkinsville near Humbug Road. 1066 Comment
  HSC44724  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-18 2905 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS35856  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou 4 mi ne of Sawyers Bar; Russian Creek 1219 Comment
  UC1041024  Arnica discoidea J. W. Congdon 1900-8-16 Siskiyou Castle Lake Road Comment
  UC1190274  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge w of, s side of S Fork of Salmon River China Creek; S Fork of Salmon River 1005 Comment
  UC455482  Arnica discoidea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  UC642539  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along wall of Mud Creek Canyon Mount Shasta, Mud Creek Canyon 2286 Comment
  CAS-BOT-BC82757  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  HSC22151  Arnica mollis J. O. Sawyer 1969-8-12 2012 Siskiyou NE of Wildcat Peak 1997 Comment
  UCD77358  Arnica mollis Robert E. Preston 2001-7-20 1693 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  CAS-BOT-BC90059  Arnica nevadensis Harley P. Chandler 1901-6-1 1615 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC90473  Artemisia douglasiana David Keck 1938-8-19 11509 Siskiyou Howard, along overflow stream from Mount Shasta City water resevoir 1219 Comment
  UC1540017  Artemisia tridentata Roseberry 1936-5-19 39 Siskiyou 3/4 mi n Hippo Butte; Lava Beds National Monument 1463 Comment
  CAS-BOT-BC400587  Asarum caudatum Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  JEPS32483  Asarum caudatum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  JEPS74415  Asarum caudatum W. B. & V. G. Cooke 1974-8-21 49263 Siskiyou Howard, Mt. Shasta 1219 Comment
  HSC58844  Asclepias cordifolia Marvin Butler 1971-7-12 118 Siskiyou Near Copper Creek, close to the town of Cave Jct. 1464 Comment
  UC1483543  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou slopes e State Highway 3; Klamath National Forest, Yreka Quad. 1341 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
  RSA120779  Asclepias speciosa G. D. Barbe 1955-6-28 22 Siskiyou 0.8 mile north of Callahan along an irrigation ditch. 976 Comment
  UCD121382  Asclepias speciosa Dean W. Taylor 1972-7-3 1620 Siskiyou Near the town of Etna in Yellow Pine Forest. 1219 Comment
  CAS-BOT-BC478847  Asparagus officinalis W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between high school and Howard, Mt. Shasta 1219 Comment
  UC1216703  Asparagus officinalis subsp. officinalis W. B. and V. G. Cooke 1958-10-10 Siskiyou between High School and Howard (along little used rd., Mt. Shasta); Mt. Shasta 1219 Comment
  CAS-BOT-BC69559  Aspidotis densa L. E. Smith 1913-7-12 476 Siskiyou Mt. Eddy. Comment
  HSC81673  Aspidotis densa Thomas W. Nelson, Jane Nelson 1980-7-17 6083 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  SEINET3868735  Aspidotis densa David B. Dunn, Conrad; LeDoux 1973-6-3 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville.; 0 Comment
  UCSB17935  Aspidotis densa Hardham, Clare 1961-7-3 Siskiyou Scott Mountains, S of Calahan Comment
  RSA696008  Aster alpigenus Barbara Ertter, James Nelson 1990-7-15 9357 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  POM58125  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  CAS-BOT-BC178818  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  JEPS94893  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald and Lowell Ahart 1998-6-11 9183 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  UC1584588  Astragalus inversus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 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
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka Comment
  POM45521  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka. Comment
  CAS-BOT-BC198717  Astragalus whitneyi var. siskiyouensis G. J. Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC199146  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1937-6-25 5019 Siskiyou Scott Mts. S of Callahan Comment
  CHSC30658  Astragalus whitneyi var. siskiyouensis M. S. Taylor; W. Overton 1980-7-8 3091 Siskiyou On s side of 40N43, ca. 3 mi w of its jct with 40N26, at w end of Lake Siskiyou. 1432 Comment
  JEPS95304  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald and L. Ahart 1994-7-11 6398 Siskiyou T39N R6W NE1/4 Sec. 26, 6320 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta) 0.6 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1926 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-BC199150  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-26 s.n. Siskiyou Slope of Mt. Eddy. Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  UC150679  Athyrium distentifolium var. americanum Dr. E. B. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  HSC29367  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Marble Mtn. Wilderness Area, near Tom's Lake 2058 Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  CAS-BOT-BC66189  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC66190  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon - Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  UC71340  Athyrium filix-femina var. cyclosorum unknown Siskiyou near Mt Shasta Comment
  HSC29370  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin Spring 2043 Comment
  JEPS80575  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 Siskiyou Creek at Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  CHSC72231  Atriplex heterosperma Vernon H. Oswald; Lowell Ahart 1998-9-16 9649 Siskiyou Tour Route at Lower Klamanth NWR 3 mi south of Hwy. 161. 1243 Comment
  HSC59893  Atriplex micrantha R. & G. Pederson 1979-10-10 51 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  CAS-BOT-BC106544  Balsamorhiza deltoidea J. H. Thomas 1954-5-14 4183 Siskiyou Salmon Muontains, Klamath National Forest. Near South Fork of Salmon river, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC100060  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  HSC2265  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou Near Yreka Comment
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC100106  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou by New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  SBBG30532  Barbarea orthoceras D. Myrick 1968-6-24 1000 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC169477  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  CHSC110645  Betula occidentalis Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side of Scott Mountain. Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  JEPS2943 Image available Betula occidentalis W. L. Jepson 1902-7-19 2083 Siskiyou Forks of Salmon to Cecilville Forks of Salmon Comment
  UC847563  Betula occidentalis Alice Eastwood 1912-7-23 1341 Siskiyou Cantara Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC102063  Bidens frondosa Louis C. Wheeler 1934-9-19 3285 Siskiyou Walker, Klamath National Forest 518 Comment
  CAS-BOT-BC413071  Bistorta bistortoides L. S. Smith 1915-6-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC413072  Bistorta bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  CAS-BOT-BC127930  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CHSC34101  Blepharipappus scaber J. D. Jokerst; M . D. Huffine 1981-9-8 1460 Siskiyou E of and adjacent to road. 1280 Comment
  HSC46196  Blepharipappus scaber Jennifer Whipple 1977-4-30 1875 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC894105  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CAS-BOT-BC16872  Boechera R. C. Wenk 2005-7-19 329 Siskiyou Along Pacific Crest Trail, near top of pass below Mount Eddy. 2438 Comment
  CAS-BOT-BC15803  Boechera acutina Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  JEPS53050  Boechera breweri subsp. breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  UC1409429  Boechera divaricarpa Frederick W. Oettinger 1968-9-10 814 Siskiyou Horse Range Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1828 Comment
  CAS-BOT-BC16240  Boechera divaricarpa F. D. Douthitt 1923-7-13 43107 Siskiyou Klamath Forest. Dry Lake Mountain. 2133 Comment
  UCD77350  Boechera divaricarpa Robert E. Preston 2001-7-21 1703 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of se 1/4 Section 15 1859 Comment
  LA204400  Boechera howellii L. Ellison; 1928-9-11 509 Siskiyou Mt Shasta 2743 Comment
  CAS-BOT-BC14112  Boechera pauciflora Alice Eastwood; John Thomas Howell 1934-4-20 1768 Siskiyou Near Yreka along Shasta River. Comment
  UCD77347  Boechera paupercula Robert E. Preston 2001-7-21 1730 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CHSC38087  Boechera pinetorum R. E. Preston; L. E. Preston 1983-6-9 390 Siskiyou Grass Lake Rest Area. 1542 Comment
  UC70397  Boechera platysperma Milo S. Baker 1898-8-7 484 Siskiyou Medicine Lake Comment
  SBBG2413  Boechera retrofracta H. and M. Dearing 1939-7-2 3801 Siskiyou Etna-Salmon Divide 1828 Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  CAS-BOT-BC410930  Boechera sparsiflora L. E. Smith 1913-4-25 104 Siskiyou Hornbrook Comment
  UC1159804  Bolboschoenus maritimus Edward J. O'Neill Sep 1965 Siskiyou Tulelake Fish and Game Preserve Comment
  CHSC30252  Boschniakia strobilacea M. S. Taylor; B. Williams 1980-6-23 2944 Siskiyou N side in the forest of Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  JEPS83833  Boykinia major Wayne Roderick July 1978 Siskiyou vicinity Cook and Green Pass (near spring w of Pass); Siskiyou Mountains, vicin Cook and Green Pass 1463 Comment
  CAS-BOT-BC418455  Boykinia major Doris K. Kildale 1928-7-3 5458 Siskiyou 9 miles east of Forks of Salmon on North Fork Salmon River Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC60813  Boykinia major Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1220 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
  HSC76871  Brickellia grandiflora K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  CHSC29303  Brickellia greenei J. D. Prouty 1979-8-6 79 .95 Siskiyou Near summit of Stud Hill. 1767 Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  UC1040686  Brickellia greenei Beecher Crampton 1956-8-21 3840 Siskiyou bench above Sacramento River, just below junction of the Middle Fork with the South Fork Sacramento River 1112 Comment
  HSC30548  Bromus carinatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  CAS-BOT-BC149054  Bromus carinatus var. carinatus R. E. Frenkel 1963-7-13 223 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River Railroad crossing near Mount Shasta. 1176 Comment
  CDA31385  Bromus carinatus var. carinatus T. C. Fuller 1958-6-19 1801 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UCD59193  Bromus carinatus var. marginatus Geo. D. Butler Date Unknown 844 Siskiyou Near Yreka. Comment
  UCD59216  Bromus carinatus var. marginatus R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  HSC2194  Bromus diandrus L. C. Wheeler 1935-5-7 3469 Siskiyou Siskiyou Mts., Klamath River at Ash Creek. 610 Comment
  UC204800  Bromus diandrus Geo. D. Butler 1908-6-25 480 Siskiyou near Yreka Comment
  LA13775  Bromus hordeaceus Jason Swallen; 1939-6-23 13525 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  CHSC86620  Bromus japonicus Jenny Marr 1993-7-1 3 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCSB63786  Bromus japonicus Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Hwy 97 between Weed and Macdoel at W end of Grass Lake (T44N R3W NE1/4 Sect 28) 1524 Comment
  CHSC83259  Bromus laevipes L. P. Janeway 2002-7-13 7644 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  RSA14320  Bromus marginatus Elmer I. Applegate 1923-8-20 3908 Siskiyou Medicine Lake 1982 Comment
  RSA239068  Bromus marginatus Frederick W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC30540  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Marble Mountain Wilderness Area, on the SW side of Upper English Lake 1869 Comment
  UCD59078  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  SEINET3923251  Bromus orcuttianus R. E. Frenkel 1963-7-13 227 Siskiyou On Everitt Memorial Hwy. 4.7 miles north of McCloud River RR crossing. Along both sides of road.; 0 1545 Comment
  CDA1858  Bromus tectorum T. C. Fuller 1962-6-11 8960 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  NY664636  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  JEPS109776  Calamagrostis breweri D. W. Taylor 2002-7-29 18287 Siskiyou South China Mountain; cirque as E base of summit ridge Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  CAS-BOT-BC185262  Calamagrostis koelerioides Doris K. Kildale 1928-8-19 6544 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mountain. 2194 Comment
  JEPS83988  Calamagrostis koelerioides L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6384 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC1265349  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 772 Siskiyou nw slope of ridge above Tobacco Lake; Salmon Mountains 2011 Comment
  SEINET3924380  Calamagrostis koelerioides Jennifer J. Whipple 1976-9-3 1775 Siskiyou Weed quad. Scree slopes near Little Crater Lake.; 0 2195 Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  JEPS77503  Calocedrus decurrens L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-17 4871 Siskiyou near Gazelle; near Gazelle 914 Comment
  UCD166588  Calocedrus decurrens Dylan O. Burge 2016-8-28 2128 Siskiyou Little Crater Lake, N shore. 2337 Comment
  CAS-BOT-BC85735  Calocedrus decurrens H. E. Brown 1897-6-15 507 Siskiyou North side of Mt. Shasta 2743 Comment
  UC1076028  Calochortus coeruleus Herbert L. Mason 1947-5-17 14765 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  SEINET10872529  Calochortus coeruleus var. fimbriatus Mary Susan Taylor 1980-7-8 Taylor 3109 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  CHSC30379  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou At Tom Young Flat ca. 2 mi. NW of Pondosa. 1292 Comment
  HSC581  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  JEPS55632  Calochortus nudus Wayne Roderick 1966-6-26 Siskiyou Castle Lake Camp 1676 Comment
  CAS-BOT-BC493094  Calochortus nudus Alice Eastwood 1921-7-24 10791 Siskiyou Castle Lake Comment
  RSA249716  Calochortus nudus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  HSC4944  Caltha leptosepala J. O. Sawyer 1968-7-22 256 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CHSC29774  Caltha leptosepala var. biflora M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2778 Siskiyou Bog around Cedar Lake. 1737 Comment
  CAS-BOT-BC273394  Calycadenia fremontii Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar 274 Comment
  UC625479  Calyptridium monospermum Frank W. Gould 1938-6-27 481 Siskiyou 3 mi n of Mount Shasta (town) (near hwy U.S. 99) 1082 Comment
  HSC4431  Calyptridium umbellatum William J. Ferlatte 1966-6-22 77 Siskiyou Josephine Lake Basin 1677 Comment
  UC1045297  Calyptridium umbellatum W. Bridge Cooke 1940-8-8 15448 Siskiyou near Red Buttes (in the South Gate, Mount Shasta); Mount Shasta 2438 Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC922355  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1949-7-21 5826 Siskiyou hill n of Paradise Lake (Marble Mountains); Marble Mountains 1920 Comment
  UC456006  Calystegia malacophylla subsp. malacophylla I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat; Mt. Bradley near Shasta Retreat 1524 Comment
  HSC36667  Calystegia occidentalis Brent Whiteley 1975-6-23 47 Siskiyou 223 Comment
  UCSB13037  Camassia leichtlinii 1962-6-11 Siskiyou Along State Highway 89, 17.6 miles east of McLoud; Cascade Mountains 1219 Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 Comment
  HSC6614  Camelina microcarpa L. C. Wheeler 1934-6-10 2672 Siskiyou Siskiyou Mtns., Hungry Creek 1098 Comment
  SEINET11262424  Campanula prenanthoides Alv Dan Youngberg 1964-7-19 49 Siskiyou West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  SEINET10463105  Campanula prenanthoides Muth 1967-8-13 MUTH 731 Siskiyou Little Elk Lake, Marble Mountains, dry open area. 1628 Comment
  SEINET10972061  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-6-15 Smith, Jr. 3899 Siskiyou OAK BOTTOM CAMPGROUND NR SOMES BAR. T11N R6E SEC. 2 229 Comment
  UC29013  Campanula prenanthoides J. Burtt Davy 1899-6-27 5889 Siskiyou Weitchpek North Coast Ranges, Klamath River (on banks of river) Comment
  POM59313  Campanula scouleri E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy. 1311 Comment
  UC61194  Campanula scouleri W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson Mount Shasta Comment
  RSA456191  Campanula scouleri M. B. Dunkle 1944-7-15 9102 Siskiyou Siskiyou Natl. Forest Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  CHSC65630  Campanula wilkinsiana Maria Ulloa-Cruz 1994-8-3 70 Siskiyou Shasta-Trinity National Forest plants. Mount Shasta Ranger District. Big Canyon Creek Drainage. 1950 Comment
  CAS-BOT-BC266463  Campanula wilkinsiana W. B. C. 1938-9-8 11665 Siskiyou Mount Shasta. Squaw Creek Meadows, near the upper end of the meadow Comment
  SEINET10463875  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou West slope of Mount Shasta, on Ash Creek Comment
  LA206357  Cardamine bellidifolia Wm. Bridge Cooke; 1939-7-13 13644 Siskiyou along N and NE side of Red Butte Comment
  RSA237256  Cardamine californica var. integrifolia Frederick W. Oettinger 1967-7-26 184 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
  CAS-BOT-BC37795  Cardamine nuttallii George Dexter Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  HSC28095  Cardamine pachystigma J. D. Ackerman, A. M. Montalvo 1973-5-20 60 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail to Bear Lake 1524 Comment
  CHSC48061  Carex L. P. Janeway 1983-8-28 633 Siskiyou At Poker Flat. S edge of mdw bordering forest. 1524 Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  UC1195514  Carex angustata Geo. D. Butler 1909-6-22 855 Siskiyou Goosenest foothills Comment
  UCD140097  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC17993  Carex aquatilis W. J. Ferlatte 1966-8-3 278 Siskiyou Josepine Lake Basin. 1920 Comment
  CAS-BOT-BC18127  Carex athrostachya Calvin McMillan; Malcom A. Nobs 1949-6-17 806 Siskiyou Grass Lake, Highway 97. Comment
  UCD143811  Carex athrostachya Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16259 Siskiyou on road 26 near Gumboot Lake. 1828 Comment
  HSC76800  Carex bolanderi L. P. Janeway 1982-8-21 168 Siskiyou Twin Valley 1585 Comment
  JEPS25656  Carex bolanderi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7299 Siskiyou 4 air0line mi nne Preston Peak (just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  HSC81983  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4855 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC85706  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  UC196157  Carex densa Geo. D. Butler 1909-7-10 809 Siskiyou along creek below Yreka Comment
  UC1265330  Carex deweyana subsp. leptopoda Frederick W. Oettinger and R. F. Thorne 1969-8-6 1245 Siskiyou vicinity of English Peak (Pine Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC7059  Carex douglasii Robert C. Wunner 1965-8-21 462 Siskiyou Lava Beds National Monument, 1/4 mi. S of Caldwell Cinder Pit, near base of Caldwell Butte Comment
  HSC67677  Carex echinata subsp. echinata John Palmer 1980-7-24 598 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC642580  Carex fracta W. Bridge Cooke 1939-7-7 13621 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC1025114  Carex gigas Douglas Barbe 1955-7-9 145 Siskiyou small stream at sw shore Klamath Mountains, Scott Mtns., Kangaroo Lake 1828 Comment
  SEINET7485275 Image available Carex hassei Peter F. Zika 2009-1 24535 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  RSA0091009  Carex inops subsp. inops Dean Wm. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  SEINET3902483  Carex jepsonii D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19530 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud, CA.; 0 Comment
  CAS-BOT-BC7577  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1645 Comment
  JEPS109242  Carex lenticularis var. lipocarpa D. W. Taylor 2005-8-18 19481 Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  UC194550  Carex lenticularis var. lipocarpa Geo. D. Butler 1910-7-8 1665 Siskiyou Log Lake Shackleford Creek 121 Comment
  SEINET7485496 Image available Carex luzulina L. P. Janeway 4/VII/2006 8784 Siskiyou KLamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. Comment
  UC1026162  Carex mariposana Louis C. Wheeler 1934-7-21 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. Comment
  HSC76808  Carex microptera L. P. Janeway 1982-7-18 79 Siskiyou Near FS 19N07 crossing Two Bit Gulch, N side of road 1311 Comment
  RSA364653  Carex multicaulis Christopher Davidson 1975-6-5 2651 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  SEINET7568458 Image available Carex multicaulis E. B. Copeland 1903-8-15 3780 Siskiyou Mt. Shasta. 2134 Comment
  CAS-BOT-BC32221  Carex multicostata B. Clear 1938-7-13 s.n. Siskiyou Manzanita Lake. Comment
  CAS-BOT-BC32277  Carex multicostata John Thomas Howell 1939-8-8 15149 A Siskiyou Black Mt. Comment
  HSC45541  Carex nebrascensis J. P. Smith, Steve Selva 1970-7-16 4374 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC96015  Carex nigricans Juha Pykala, D. H. Norris 1987-7-7 2357 Siskiyou Mt. Shasta, Everitt Memorial Highway, Panther Meadow 2287 Comment
  CAS-BOT-BC118934  Carex pellita Elmer Ivan Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson. Comment
  SEINET7572494 Image available Carex preslii Ray Tallent 1987-8-16 940 Siskiyou Mt. Shasta area, Panther Meadows Trailhead area. 2220 Comment
  SD61024  Carex raynoldsii Darley F. Howe 1964-8-4 Siskiyou Modoc National Forest; Medicine Lake; meadow. 2012 Comment
  HSC29651  Carex rossii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1227 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  CAS-BOT-BC118213  Carex rossii L. P. Janeway 1983-8-28 647 Siskiyou Preston Peak quad, At poker Flat 1524 Comment
  HSC77259  Carex rostrata L. P. Janeway 1983-8-28 635 Siskiyou Poker Flat 1529 Comment
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC96569  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 368 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC118225  Carex scopulorum var. bracteosa Doris K. Kildale 1929-8-25 9111 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  SEINET7575019 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, west of Tom's Lower Pond. 1951 Comment
  CAS-BOT-BC117774  Carex specifica K. T. Stillman 1976-8-7 196 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1828 Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  HSC30524  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Marble Mtn. Wilderness Area, slope SE of Abbott's Lake 1723 Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA238928  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Southwest of Arrow Peak and north of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 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
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC1265478  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou trail se Tom's Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC117013  Carex straminiformis John Thomas Howell 1939-8-8 15149 A Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC115849  Carex subfusca William Bridge Cooke 1938-9-17 11690 Siskiyou Mt Shasta Spring. 2438 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  JEPS84179  Carex subfusca L. R. Heckard with J. Hickman 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  CAS-BOT-BC115840  Carex subfusca Alice Eastwood 1921-7-24 10768 Siskiyou Bigelows on the McCloud R. Comment
  CAS-BOT-BC115845  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Sisson Southern Trail. 1828 Comment
  CAS-BOT-BC115855  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Cr. 1280 Comment
  CAS-BOT-BC115856  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
  HSC76832  Carex vesicaria L. P. Janeway 1982-8-15 149 Siskiyou W side of Echo Lake 1677 Comment
  SEINET7579992 Image available Carex vesicaria Veva Stansell 1995-10-1 3013 Siskiyou Whiskey Lake, south of Takilma, OR. 1463 Comment
  CHSC69097  Carex whitneyi Vernon Oswald; Lowell Ahart 1997-7-28 8799 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  HSC22113  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-8-3 1729 Siskiyou W of Little Duck Lake 2195 Comment
  HSC30461  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, inlet stream to Little Hancock Lake 2043 Comment
  HSC19023  Castilleja applegatei J. O. Sawyer 1969-6-12 920 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC1408870  Castilleja applegatei Frederick W. Oettinger 1968-8-22 603 Siskiyou above English Lake trail (on English Lake side of pass to Diamond Lake, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC509  Castilleja applegatei William J. Ferlatte 1967-6-27 540 Siskiyou Big Flat, near public campground 1524 Comment
  JEPS46076  Castilleja applegatei subsp. pinetorum L. R. Heckard and R. Bacigalupi 1966-6-13 1522 Siskiyou about 1 mi ne Bolam (near Bolam logging road on n side of Mt. Shasta) 1432 Comment
  UC1190240  Castilleja applegatei subsp. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC1374840  Castilleja applegatei subsp. pinetorum Noel H. Holmgren and Liew Fah Seong 1969-6-25 3616 Siskiyou 23 mi e McCloud (Calif Hwy 89, 1.3 mi from Shasta County line) Comment
  UC164278  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  CAS-BOT-BC243748  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1939-7-14 13693 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1524 Comment
  JEPS90564  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave; Upper Modoc Plateau, Medecine Lake highland 1798 Comment
  UC60942  Castilleja arachnoidea Geo. B. Grant 1902-9-1 5114 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  UC796539  Castilleja lacera Roxana S. Ferris and Laura Lorraine 1948-6 11787 Siskiyou s of Callahan (Scott Mountain Road) Comment
  CAS-BOT-BC254005  Castilleja miniata J. H. Thomas; H. A. Thomas 1954-7-25 4533 Siskiyou Salmon-Trinity Mts. Vicinity of Rush lake and Rush Creek meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC254006  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  JEPS23774  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6889 Siskiyou Poker Flat; Siskiyou Mountains 1536 Comment
  CAS-BOT-BC254009  Castilleja miniata Doris K. Kildale No date on label 9027 Siskiyou White meadow, near Young's Valley, Preston Peak [?hail?] Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  JEPS26523  Castilleja pruinosa Lauramay T. Dempster 1961-7-2 1860 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit) 1828 Comment
  SEINET3159250  Castilleja pruinosa G. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mtn. Comment
  CHSC71330  Castilleja tenuis Vernon H. Oswald; Lowell Ahart 1998-6-11 9207 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC48656  Ceanothus cordulatus Alice Eastwood 1923-5-23 11904 Siskiyou Cantara Comment
  SD104892  Ceanothus cordulatus Darley Howe 1979-6-26 Siskiyou Road 1 mi. N of Ca. Hwy 89, 3 mi. E of McCloud 945 Comment
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Mar 5 2015
  UC618735  Ceanothus cordulatus W. B. C. 1938-6-17 11021 Siskiyou Sisson Southern Trail Mt. Shasta 1219 Comment
  SFV5115  Ceanothus cuneatus B. C. Templeton 1957-6-22 s. n. Siskiyou North of Callahan. Comment
  CAS-BOT-BC49196  Ceanothus cuneatus William A. Dayton 1913-6-14 245 Siskiyou E. Fk. of Scott River Range - Shasta Forest 1615 Comment
  UC796510  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11812 Siskiyou at Mule Creek crossing, Scitt Mt. Rd. 1524 Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  UC18349  Ceanothus integerrimus State Survey 1862-9-9 1363 Siskiyou near Mt. Shasta Comment
  RSA136296  Ceanothus integerrimus var. californicus Geo. D. Butler 1920-5-21 1381 Siskiyou Sikiyou county: Klamath hills Comment
  CAS-BOT-BC50686  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  RSA1132  Ceanothus lemmonii B. D. Stark 1929-7-25 1393 Siskiyou 1 miles S of Dunsmuir. 671 Comment
  CAS-BOT-BC53089  Ceanothus prostratus L. B. Kildale 1930-6-1 9821 Siskiyou Etna Mills Comment
  CAS-BOT-BC53090  Ceanothus prostratus B. Bartholomew; B. Anderson 1988-5-12 4086 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road. Comment
  HSC43473  Ceanothus prostratus Maralyn O'Meara 1974-5-25 385 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  UC1071276  Ceanothus prostratus R. D. Roseberry 1936-5-11 16 Siskiyou e side Heppo Butte; Modoc Lava Beds National Monument, Dorris Quad. Comment
  POM87497  Ceanothus velutinus Edward Palmer 1892-7-13 2443 Siskiyou Mount Shasta and vicinity Comment
  UCD112841  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, south slope of Mt. Shasta. 1524 Comment
  HSC40224  Centaurea cyanus J. P. Smith 1976-5-22 8791 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  CDA37883  Centaurea diffusa CDFA Staff 1991-1 s.n. Siskiyou Fort Jones. 0 Comment
  RSA190715  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou Roadside, N side of Hwy 97 (Weed to Macdoel), W of R.R. spur at Grass Lake Comment
  RSA604409  Centaurium exaltatum Louis C. Wheeler 1935-7-3 3646 Siskiyou Shasta River two mi. Montague 762 Comment
  UC165259  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou near Yreka Comment
  CHSC2343  Cephalanthera austiniae V. Holt 1935-6-29 Siskiyou Mt. Shasta City. 1097 Comment
  RSA381928  Cephalanthera austiniae M. B. Dunkle 1944-7-18 9140 Siskiyou Sterling Mountains, Siskiyou National Forest. Comment
  JEPS88003  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); e side of Mt. Eddy, Wagon Creek 1828 Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  POM88109  Cercocarpus ledifolius Geo. D. Butler 1910-4-10 1166 Siskiyou Yreka. Comment
  RSA60635  Cercocarpus ledifolius I. L. Wiggins 1950-5-28 12377 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UC375376  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1909-7-15 921 Siskiyou Highland Mine Comment
  HSC68545  Cercocarpus montanus var. macrourus Maralyn A. Renner 1980-6-22 918 Siskiyou Slopes N of Little Shasta River 1372 Comment
  CAS-BOT-BC276754  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 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-BC106035  Chaenactis suffrutescens T. S. Brandegee 1887-6-1 s.n. Siskiyou Edgewood Comment
  CAS-BOT-BC106036  Chaenactis suffrutescens Brandegee 1889-6-1 s.n. Siskiyou Edgewoods Comment
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  JEPS81881  Chaenactis suffrutescens Roger Raiche 1982-7-6 20556 Siskiyou near Fort Jones 822 Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  CAS-BOT-BC141589  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  SEINET515847  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  CAS-BOT-BC141586  Chamaebatiaria millefolium V. June Wetherell 1961-8-9 492 Siskiyou Lava Beds National Monument Comment
  HSC69058  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-6 2319 Siskiyou Cracker Meadow 1555 Comment
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  SBBG16538  Chamaesaracha nana D. Myrick 1961-6-19 265 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  UC618773  Chamaesaracha nana unknown 1938-6-17 11054 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CDA35240  Chamaesyce glyptosperma F. D. Horn 1980-7-18 s.n. Siskiyou Weed; at the end of Big Rock Road, Shastina Properties. 0 Comment
  RSA12607  Chamaesyce serpillifolia C. B. Wolf 1934-7-6 5978 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  POM138054  Chamaesyce serpillifolia M. S. Baker 1897-08 147 Siskiyou On road to Medicine Lake. Comment
  RSA15484  Chamaesyce serpillifolia L. S. Rose 1936-7-29 36702 Siskiyou Shasta Springs. 762 Comment
  RSA499042  Chamaesyce serpillifolia L. C. Wheeler 1934-6-22 2761 Siskiyou Cottonwood Creek. 915 Comment
  CDA35272  Chamaesyce serpyllifolia T. C. Fuller 1958-6-19 1806 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC637051  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp-Waldo (Oregon) road Klamath Nat. Forest, watershed of West Branch of Indian Cree 1371 Comment
  HSC34468  Cheilanthes gracillima J. D. Ackerman, A. M. Montalvo 1974-8-18 432 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. in the Siskiyou Mtns. 1829 Comment
  RSA0072903  Chenopodium chenopodioides R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-3 39038 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  JEPS59720  Chenopodium foliosum Willis L. Jepson 1894-8-1 14861 Siskiyou Sisson Mt. Shasta Comment
  HSC65136  Chenopodium fremontii J. P. Smith, Steve Selva 1970-7-17 4417 Siskiyou Along Klamath River. Comment
  JEPS74520  Chimaphila menziesii W. J. Ferlatte 1966-8-3 270 Siskiyou S. Fork Salmon R. between campground and Carter's; Trinity Alps, S. Fork Salmon R. 1524 Comment
  CAS-BOT-BC452268  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  HSC19317  Chimaphila umbellata J. O. Sawyer 1968-6-25 311 Siskiyou Along Horse Range Creek 1829 Comment
  UC876100  Chimaphila umbellata John Thomas Howell 1939-8-5 15068 Siskiyou Marble Mts., Spirit Lake Comment
  HSC36697  Chimaphila umbellata Brent Whitely 1975-6-28 95 Siskiyou 915 Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC36382  Chrysolepis chrysophylla W. R. Dudley 1907-8-18 s.n. Siskiyou Moraine of Jacksons Lake Comment
  CAS-BOT-BC36236  Chrysolepis sempervirens Wm. Bridge Cooke 1938-6-22 11330 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  HSC91297  Chrysolepis sempervirens Jennifer Whipple 1977-8-6 2224 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  JEPS37660  Chrysolepis sempervirens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  POM166644  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson. 1067 Comment
  UCD110140  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou From south side of Mt. Shasta. 914 Comment
  RSA476649  Chrysolepis sempervirens M. B. Dunkle 1944-6-25 9031 Siskiyou Siskiyou National Forest. 1677 Comment
  POM82888  Cicuta douglasii Geo. D. Butler 1918-7-15 1788 Siskiyou [Unspecified] Comment
  UC164412  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek Comment
  RSA0070844  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt. 1524 Comment
  CDA1185  Cirsium cymosum T. C. Fuller 1978-7-5 20245 Siskiyou 17.5 km NE of Montague; N side of Willow Creek Rd., 2.7 km east of York Rd. 0 Comment
  UC469086  Cirsium cymosum var. cymosum Geo. D. Butler 1909-5-14 753 Siskiyou Klamath Hills 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-BC32849  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  CAS-BOT-BC288014  Cirsium occidentale var. candidissimum Doris K. Kildale 1928-7-25 5865 Siskiyou Klamath River between Gottville and Brown's Resort Comment
  CAS-BOT-BC288773  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  JEPS59177  Cirsium remotifolium var. odontolepis Geo. D. Butler 1908-8-4 335 Siskiyou Cold Spring Camp , Wooly Creek 1676 Comment
  RSA184692  Cirsium remotifolium var. odontolepis Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  HSC92686  Cirsium scariosum Jennifer Whipple 1976-7-24 1559 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  CAS-BOT-BC285894  Cirsium vulgare Doris K. Kildale 1928-7-1 5321 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC439046  Cistanthe monosperma Alice Eastwood 1921-7-24 10760 Siskiyou Castle Lake Comment
  CAS-BOT-BC439049  Cistanthe monosperma Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC439045  Cistanthe monosperma L. E. Smith 1913-7-12 463 Siskiyou Weed Comment
  CAS-BOT-BC163455  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-22 45157 Siskiyou Walker, Klamath River 533 Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  CDA38037  Clarkia purpurea subsp. quadrivulnera T. C. Fuller 1958-6-19 1803 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS43670  Clarkia rhomboidea W. L. Jepson July, 1894 14420 Siskiyou Sisson Comment
  UC930719  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou n Sisson (near Black Butte) 1127 Comment
  HSC76980  Claytonia cordifolia K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  RSA215604  Claytonia cordifolia Gilbert Muth 1969-8-12 1380 Siskiyou Second Valley 2195 Comment
  CAS-BOT-BC439142  Claytonia exigua subsp. exigua Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch, east side of Scott Valley 822 Comment
  CHSC90514  Claytonia obovata Martin J. Lenz 2004-4-23 204 Siskiyou 1.2 air mi. SSE of Forest Mtn. Summit. UTM 10 523315 E 4611799 N. 1408 Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
Read comments
Sep 27 2006
  CAS-BOT-BC439624  Claytonia parviflora subsp. parviflora Alice Eastwood 1923-5-18 11846 Siskiyou Shasta Springs Comment
  RSA101989  Claytonia rubra Geo. D. Butler 1910-5-5 1289 Siskiyou [Huckleberry] Mountain. 1220 Comment
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  CHSC71314  Claytonia rubra subsp. depressa Vernon H. Oswald; Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC796435  Claytonia rubra subsp. rubra Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11807 Siskiyou at Mule Creek crossing Scott Mountain Road; Mule Creek 1524 Comment
  HSC17703  Claytonia rubra subsp. rubra D. M. Thomson 1965-7-10 123 Siskiyou Lava Beds National Monument, by headquarters and information office Comment
  UC164297  Claytonia sibirica Geo. D. Butler 1909-7-15 964 Siskiyou Highland Mine Comment
  CAS-BOT-BC443867  Claytonia sibirica David D. Keck 1938-8-6 4806 Siskiyou At Siskiyou-Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp. 1555 Comment
  HSC23687  Claytonia sibirica J. O. Sawyer 1971-7-15 2424 Siskiyou Along Red Rock Valley Creek 1585 Comment
  CDA25287  Cleome platycarpa J. R. Grisham 1961-7-14 Siskiyou Elsea property, Montague. 0 Comment
  SEINET4899737  Clintonia uniflora Jack Seely 1991-1 s.n. Siskiyou Klamath National Forest, Comment
  JEPS23806  Collinsia linearis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7315 Siskiyou jeep rd between Poker Flat and Twin Valley between Poker Flat and Twin Valley, (ridge top marking Del Norte-Siskiyou County line); Siskiyou Mtns 1664 Comment
  JEPS74150  Collinsia linearis J. M. Tucker and L. K. Mann 1963-7-4 3691 Siskiyou ca 4.7 mi sw Etna (beside rd from Etna to Sawyer's Bar) Comment
  JEPS3895  Collinsia parviflora George D. Butler 1909-3-19 560 Siskiyou near Yreka (along creek on Butler's Ranch); Butler's Ranch Comment
  UC1114145  Collinsia parviflora Gene B. Newcomb, H. G. Baker Mar 28 1959-Mar 29 1959 232 Siskiyou 4.5 mi n of city limits of Yreka (on US Highway 99); US Highway 99 914 Comment
  HSC90174  Collinsia parviflora Andrew Enberg, Brad Penkala and Dan Scofield 1990-4-4 33 Siskiyou E side of Hwy. 3, about 8 mi. N of Scott River Ranger Station 1159 Comment
  RSA412241  Collinsia torreyi Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  UC609353  Collinsia torreyi var. latifolia Eleanor Burks Hart 1938-8-20 945 Siskiyou slope above Big Meadow 2225 Comment
  CHSC1227  Collomia grandiflora W. Gorsuch 1935-7-2 Siskiyou Spring Hill near Mt. Shasta City. 1158 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  RSA183688  Collomia grandiflora Gilbert Muth 1965-7-29 139 Siskiyou Marble Mts. In meadow below Marble rim Comment
  UC52546  Collomia grandiflora Geo. B. Grant September, 1902 5242 Siskiyou Shasta Springs Mount Shasta 609 Comment
  UCR45349  Collomia heterophylla Barry Silver 1986-5-24 607 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  SEINET10496958  Collomia larsenii Mary Susan Taylor 1980-8-18 Taylor 3264 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC45975  Collomia tinctoria J. P. Smith, Steve Selva 1970-6-15 3954 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  RSA126297  Collomia tracyi I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  JEPS41828  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek 1158 Comment
  CAS-BOT-BC133724  Corallorhiza A. M. Vollmer; L. Beane 1951-6-2 59 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  RSA184810  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley, Marble Mountains 1793 Comment
  UC1409485  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou steep wsw slope nne Pine Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CHSC110173  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte Trail. (Study site 25). 1353 Comment
  UCD123173  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. 1344 Comment
  JEPS16357  Cordylanthus tenuis subsp. viscidus Peter H. Raven 1956-9-5 10469 Siskiyou North Fork of Sacramento River 1371 Comment
  UC885672  Cordylanthus tenuis subsp. viscidus Alice Eastwood 1917-9-2 6664 Siskiyou Shasta Springs Comment
  JEPS3576  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s of summit of road from Happy Camp CA to Waldo, OR Comment
  JEPS60492  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6743 Siskiyou 27 mi n Happy Camp (Elder Mt Rd junction, on road to O'Brien) 822 Comment
  RSA516621  Cordylanthus tenuis subsp. viscidus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-12 4792 Siskiyou Along highway following the Klamath River, 0.5 mile west of Hamburg. 457 Comment
  CAS-BOT-BC212058  Cornus nuttallii Doris K. Kildale 1929-8-24 9064 Siskiyou Trail to Preston Peak between Young's Valley and Rattlesnake Meadow 1524 Comment
  CAS-BOT-BC376183  Cornus nuttallii Andrew Townesmith; Karen M. Meyer 2007-8-3 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  HSC27681  Cornus nuttallii Carl W. Mize 1972-6-10 46 Siskiyou 0.75 mi. from bridge on Steinacher Creek Rd. 366 Comment
  POM301764  Cornus nuttallii Marion Ownbey, D. H. Brown, Findley Ownbey 1941-6-22 2426 Siskiyou Road between Craggy Moutain and Deadwood Lookout, northwest of Yreka. Comment
  RSA0091888  Cornus nuttallii Bonnie C. Templeton 1957-6-24 7747 Siskiyou Near summit of Scott Mt. Comment
  CAS-BOT-BC210390  Cornus sericea Annie M. Alexander; Louise Kellogg 1949-7-24 5867 Siskiyou Trail to Bear Lake. Paradise Lake, Marble Mountains 1920 Comment
  UCD117302  Cornus sericea Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 609 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California -- Oregon state line. Comment
  HSC19037  Cornus sericea subsp. sericea J. O. Sawyer 1969-6-11 840 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  UC618769  Cornus sericea subsp. sericea W. Bridge Cooke 1938-7-1 11121 Siskiyou at upper end of the spring meadow Bear Spring; Mt. Shasta, Bear Spring Comment
  UC875913  Cornus sericea subsp. sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  RSA68928  Cornus stolonifera A. E. Culbertson 1943-7-12 30 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CDA4038  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  UC164270  Corylus californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek Comment
  SACT002820  Corylus rostrata var. californica Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Monument. Comment
  CDA25823  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Highway 3 on Lighthill Road south of Fort Jones. 0 Comment
  HSC5440  Crepis acuminata D. M. Thomson 1965-6-19 100 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  SEINET7838799 Image available Crepis occidentalis G. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  CAS-BOT-BC290877  Crepis pleurocarpa John Thomas Howell 1937-7-29 13646 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  UC1934559  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, 0.3 mi N of Hwy 3 on Forest Service 40N 08. 509 Comment
  CAS-BOT-BC290864  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  SEINET11835677  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River Comment
  POM31901  Crocidium multicaule Geo. D. Butler 1909-3-7 553 Siskiyou Dry hills Yreka. Comment
  HSC19013  Cryptantha affinis J. O. Sawyer 1969-8-4 1878 Siskiyou S of S Sugar Lake 2104 Comment
  UC1180475  Cryptantha ambigua Robert Ornduff 1960-6-30 6268 Siskiyou U.S. Hwy 97 Grass Lake Comment
  CHSC93544  Cryptantha intermedia Lowell Ahart; John Dittes 2005-6-10 12114 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS105004  Cryptantha intermedia Dean W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC79567  Cryptantha intermedia Katharine Brandegee Jul 1887 Siskiyou Edgewood Comment
  UC857280  Cryptantha torreyana John Thomas Howell 1937-7-29 13655 Siskiyou between Trinity and Siskiyou County; Scott Mountain Comment
  SEINET8671193 Image available Cryptogramma crispa subsp. acrostichoides M. W. Bridge Cooke 1937-1 9165 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC85602  Cupressus bakeri Oliver V. Matthews 1939-7-18 39 Siskiyou N.E. Goose Nest Grove-Goose Nest Region Comment
  RSA142696  Cupressus bakeri Al Hobart 1961-7-13 4 Siskiyou Mt. Preston 2134 Comment
  RSA50556  Cupressus bakeri C. B. Wolf 1944-8-29 11478 Siskiyou NW side Goose Nest mtn, about 1 mi due S of old Smith sawmillon montague to Mt. Hebron Rd. 1677 Comment
  UC650674  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  CAS-BOT-BC85553  Cupressus macnabiana Carl B. Wolf 1930-10-19 1006 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  JEPS25542  Cuscuta californica Rimo Bacigalupi with Lincoln Constance 1959-6-17 7159 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. Highway 97) 1066 Comment
  JEPS47092  Cuscuta cephalanthi George B. Grant 1902-9-4 5217 Siskiyou Sisson 914 Comment
  UCSB23221  Cuscuta cephalanthi Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  RSA12491  Cuscuta suksdorfii var. subpedicellata C. B. Wolf 1934-7-4 5946 Siskiyou 6 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  HSC57389  Cycladenia humilis G. L. Clifton, Griswold 1979-7-26 10122 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  CAS-BOT-BC114687  Cyperus bipartitus Carl B. Wolf 1927-8-27 1123 Siskiyou On the Klamath river, Happy Camp Comment
  UC1483485  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad 877 Comment
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  UC4445  Cypripedium montanum C. B. Bradley 1879-1 Siskiyou Comment
  UC1037347  Cystopteris fragilis Leo Whitney 1935-7-15 3569 Siskiyou 2 mi se Medicine Lake (stream near Bullseye Lake) 1981 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC165451  Danthonia californica var. americana Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  HSC91412  Danthonia unispicata Jennifer Whipple 1976-6-30 1202 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  HSC66253  Darlingtonia californica Maralyn A. Renner 1980-7-4 1382 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC857781  Darlingtonia californica A. A. Heller 1915-7-15 12090 Siskiyou Mt. Eddy 1828 Comment
  UC909356  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou small bog on one side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
Read comments
Jan 29 2013
  UCD119063  Darlingtonia californica Ray F. Evert 1957-9-2 s.n. Siskiyou Along U.S. Highway 99, south of Dunsmuir. Comment
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  SEINET4890503  Datisca glomerata G. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  RSA13714  Datura stramonium Louis C. Wheeler 1934-10-13 3319 Siskiyou Klamath River near Skunk Gulch, Siskiyou Mtns. 610 Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC8951  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 1391 Siskiyou Summit of Salmon Mtn. 1818 Comment
  CAS-BOT-BC8979  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  CAS-BOT-BC9884  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  CAS-BOT-BC9885  Delphinium nudicaule J. H. Thomas 1954-5-14 4172 Siskiyou Salmon Mountains, Klamath N.F. Near South Fork of Salmon River, 5 to 9 mi. SE of Cecilville. 1219 Comment
  HSC63059  Delphinium nuttallianum David Wheeler 1979-4-1 4 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of the Salmon Comment
  HSC39219  Delphinium nuttallianum J. O. Sawyer 1969-7-2 1016 Siskiyou Near summit above Lipstick Lake 2226 Comment
  RSA49961  Delphinium nuttallianum E. K. Balls 1949-7-8 13899 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  UCR37854  Deschampsia atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS116611  Deschampsia cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake headwaters of Middle Fork of upper Sacramento River. South China Mountain 2118 Comment
  CAS-BOT-BC201633  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  HSC88847  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC99934  Deschampsia elongata J. P. Smith, & J. O. Sawyer 2011-7-31 13354 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  CAS-BOT-BC39727  Descurainia Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountains. Above horse pasture. 1804 Comment
  UC855985  Descurainia sophia A. A. Heller 1916-6-22 12524 Siskiyou near Sisson 1074 Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  HSC67685  Dicentra formosa John Palmer 1980-7-24 630 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SBBG30503  Dicentra formosa D. Myrick 1968-6-24 2007 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  JEPS26518  Dicentra formosa Lauramay T. Dempster 1961-7-1 1844 Siskiyou between Condry Peak and White Mountain Comment
  CAS-BOT-BC402545  Dicentra pauciflora Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC402546  Dicentra pauciflora Lillian Mott 1976-7-9 52 LM76 Siskiyou Base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  CAS-BOT-BC402549  Dicentra pauciflora Philip A. Munz 1952-7-2 17914 Siskiyou Rd. to Baldy Mt., ca. 6 air-line miles w. of Happy Camp, Siskiyou Mts. 1554 Comment
  CAS-BOT-BC402550  Dicentra pauciflora W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, region of Mt Shasta Comment
  JEPS5684  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  UC164474  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou near Yreka Comment
  RSA47979  Dichelostemma multiflorum Roxana S. Ferris, Laura Lorraine 11784 Siskiyou Outskirts of Etna. Comment
  JEPS40718  Dieteria canescens var. incana Geo. D. Butler 1911-9-11 1869 Siskiyou Comment
  UCSB63902  Dieteria canescens var. shastensis Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56)3.7 mi. east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave; T42N R4E NE1/4 NE1/4 Sect.6 1755 Comment
  HSC9626  Digitaria sanguinalis C. B. Wolf 1927-8-26 1089 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC153305  Diplacus kelloggii J. H. Thomas 1954-5-13 4156 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek 1127 Comment
  CAS-BOT-BC153724  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  UC375202  Disporum hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldredge's Corral, Russian Creek Russian Creek; Eldredge's Corral, Russian Creek Comment
  CAS-BOT-BC136090  Dodecatheon alpinum Harley P. Chandler 1901-6-1 1572 Siskiyou Ridges and meadows near Marble Moutnain 1828 Comment
  HSC61774  Dodecatheon alpinum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  JEPS19731  Dodecatheon alpinum Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5944 Siskiyou region just s Mt. Eddy (headwaters of the South Fork of the Sacramento River, southwestern end of Gumboot Lake, close to the Trinity County line); South Fork Sacramento River, Gumboot Lake, s of Mt. Eddy 1859 Comment
  HSC81528  Dodecatheon jeffreyi Thomas W. Nelson, Jane P. Nelson 1980-7-20 6181 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS84210  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  RSA215607  Dodecatheon jeffreyi Gilbert Muth 1969-8-11 1362 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  UC922512  Dodecatheon jeffreyi Annie M. Alexander and Louise Kellogg 1949-7-28 5883 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  HSC19083  Dodecatheon jeffreyi J. O. Sawyer 1969-6-12 940 Siskiyou On trail to Duck Lakes 1890 Comment
  RSA297050  Dodecatheon jeffreyi John F. Emmel 1974-7-19 518 Siskiyou wet meadow 0.2 air mile west of Lily Pad Lake. 1753 Comment
  JEPS94820  Downingia insignis Vernon H. Oswald and Lowell Ahart 1998-6-11 9217 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC41762  Draba howellii Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Mountains. Comment
  CAS-BOT-BC41319  Draba pterosperma G. J. Muth 1969-8-6 1191 Siskiyou Boulder Peak. 2529 Comment
  UC165378  Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain 1524 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
  POM93918  Draba verna Geo. D. Butler 1910-3-23 1143 Siskiyou Shasta [River?] Comment
  RSA47630  Draba verna Roxana S. Ferris, Laura Lorraine 11894 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  HSC64754  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-7-17 4460 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC159284  Drymocallis lactea var. lactea A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  CAS-BOT-BC158427  Drymocallis rhomboidea Elmer I. Applegate 1935-6-8 9427 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC70815  Dryopteris arguta Annie M. Alexander; Louise Kellogg 1948-9-4 5575 Siskiyou above Salmon River road; between Somesbar and Forks of Salmon River Comment
  HSC4381  Dysphania botrys R. C. Wunner 1965-9-1 496 Siskiyou Lava Beds National Monument, 1 mi. S of NW Ranger Station. 1220 Comment
  JEPS125883  Eleocharis engelmannii Dean W. Taylor 1996-7-27 15865 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  JEPS19423  Eleocharis macrostachya W. L. Jepson Jul 1894 58 a Siskiyou Sisson Comment
  CAS-BOT-BC112697  Eleocharis parishii Martin Simon Jussel 1936-7-3 s.n. Siskiyou Dunsmuir. Comment
  POM264766  Eleocharis parishii L. C. Wheeler 1934-6-29 2826 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  JEPS107385  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 12097 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC103032  Elymus caput-medusae J. P. Smith 2014-6-7 13890 Siskiyou Yreka 844 Comment
  HSC64370  Elymus caput-medusae Don Bateman 1980-6-19 Siskiyou 930 Comment
  CAS-BOT-BC227913  Elymus elymoides M. B. Dunkle 1945-7-22 9241 Siskiyou Klamath National Forest. Wooley Pocket 2133 Comment
  CAS-BOT-BC227920  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11366 Siskiyou Mount Shasta. North Ridges Comment
  CAS-BOT-BC227925  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11370 Siskiyou Mount Shasta. North Ridges Comment
  CAS-BOT-BC227926  Elymus elymoides Alice Eastwood 1921-7-29 10980 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC227929  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  UC1483411  Elymus elymoides subsp. elymoides Maralyn A. Renner 1980-8-7 2418 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  RSA239022  Elymus glaucus Frederick W. Oettinger 1969-8-3 1147 Siskiyou Above Wiregrass Meadow above English Lake on trail to Abbott's Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC197107  Elymus glaucus Geo. D. Butler 1909-6-19 836 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC206607  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  HSC10973  Elymus multisetus R. C. Wunner 1965-7-1 334 Siskiyou Lava Beds N.M., 1/2 mile up from Gillems Bluff from NW Ranger Station on old Gillems Camp Trail. 1311 Comment
  POM112867  Elymus multisetus Geo D. Butler 1909-5-25 823 Siskiyou Dry hill near Yreka Comment
  HSC101713  Elymus repens J. P. Smith, J. O. Sawyer 2011-6-25 13262 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA68920  Epilobium angustifolium var. intermedium A. E. Culbertson 1943-8-1 37 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
  POM230570  Epilobium brachycarpum J. T. Howell 1937-7-23 13359 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC726611  Epilobium brachycarpum A. A. Heller 1916-8-24 12554 Siskiyou near Sisson 1074 Comment
  CHSC114077  Epilobium ciliatum Kendra Sikes 2011-8-23 FC 1 -1 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys; UTM Zone 10N, 541673E, 4564801N. 1850 Comment
  UC873338  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1942-9-5 16276 Siskiyou near MacBride Springs; Mt. Shasta Comment
  HSC49652  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-17 4443 Siskiyou 915 Comment
  UC164409  Epilobium ciliatum subsp. glandulosum Geo. D. Butler 1908-8-7 166 Siskiyou bank of lake at head of creek West Fork of Wooley Creek Comment
  POM248137  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13701 Siskiyou Mouth of the Municipal spring above Howard, Mount Shasta 1280 Comment
  UC164267  Epilobium densiflorum Geo. D. Butler 1908-7-17 160 Siskiyou along creek near Yreka Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC1190252  Epilobium glaberrimum subsp. glaberrimum Ira L. Wiggins 1955-7-22 13452 Siskiyou 9.5 mi above Cecilville; S. Fork of Salmon R 1066 Comment
  RSA237580  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -b Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  HSC19493  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-18 1402 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  RSA237389  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Stream inlet into Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1890 Comment
  HSC69700  Epilobium minutum Maralyn A. Renner 1980-6-26 1266 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC1122538  Epilobium minutum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Modoc Lava Beds Natl. Monument, Dorris Quadrangle Comment
  RSA120896  Epilobium minutum Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. 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-BC171834  Epilobium oreganum A. A. Heller 1914-8-28 s.n. Siskiyou Mt. Eddy 1310 Comment
  JEPS109563  Epilobium oregonense Dean W. Taylor 2002-7-21 18272 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CAS-BOT-BC57205  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou Banks of China Creek 1097 Comment
  HSC46758  Equisetum laevigatum William J. Ferlatte 1969-6-25 1179 Siskiyou Big Flat, near campground 1524 Comment
  HSC27219  Eragrostis cilianensis J. P. Smith, J. O. Sawyer 1971-9-18 4792 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UC1255429  Eragrostis cilianensis Dorothy Parker 1949-7-24 350 Siskiyou McConahue Gulch Scott Valley (Scott Valley); Siskiyou Mountains, Scott Valley 1036 Comment
  UCD63886  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts. Oak Knoll Ranger Station, Klamath River. 670 Comment
  UC197191  Eragrostis pilosa var. pilosa Geo. D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  RSA0045086  Eremogone congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC481931  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC481932  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UC1034045  Ericameria bloomeri W. B. Cooke 1941-8-21 16215 Siskiyou on the n side Diller Canyon (at timberline on the w side of Shastina); Mt. Shasta, Shastina, Diller Canyon 2438 Comment
  UC1118667  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mouth Mountain House Creek; Dunsmuir Quad., Shasta National Forest, Mountain House Creek 1828 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  UC134202  Ericameria greenei Dr. E. B. Copeland 1903-9-8 3868 Siskiyou Mt. Eddy 1767 Comment
  UC87229  Ericameria nauseosa var. oreophila K. Brandegee 1887-7-1 Siskiyou Gazelle Comment
  SEINET5708360 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7705 Siskiyou Scott Mts., collected along road 17, 13.1 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2056 Comment
  UC618706  Ericameria nauseosa var. speciosa unknown 1938-8-5 11451 Siskiyou near MacBride Springs; Mount Shasta, Diller Canyon 1524 Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. Comment
  HSC69305  Erigeron aliceae Maralyn A. Renner 1980-7-24 1984 Siskiyou Pacific Crest Trail above Lily Pad Lake 1799 Comment
  JEPS41576  Erigeron aliceae W. L. Jepson 1937-7-30 18536 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  OBI80253  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC61801  Erigeron aliceae Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  RSA238724  Erigeron aliceae Frederick W. Oettinger 1968-9-5 725 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC44241  Erigeron bloomeri var. bloomeri M. A. Baker 1977-5-22 324 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  CHSC62178  Erigeron cervinus Wayne Rolle 1991-8-1 485 Siskiyou Siskiyou Mountains. On east side of Pyramid Peak. Between small lake and the small pond above it. 1615 Comment
  HSC58865  Erigeron cervinus Marvin Butler 1971-7-13 120 Siskiyou Near Copper Creek, close to town of Cave Junction 1464 Comment
  RSA238727  Erigeron cervinus Frederick W. Oettinger 1969-7-28 1080 Siskiyou WNW of and above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC67541  Erigeron compositus J. P. Smith, J. O. Sawyer 1972-6-30 5646 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  JEPS57183  Erigeron compositus L. R. Heckard 1967-8-13 1692 Siskiyou near Mt. Eddy summit (on scree of s-facing slope); Mt. Eddy 2712 Comment
  CAS-BOT-BC297143  Erigeron concinnus var. concinnus L. N. Lorenzen No date on label. 28664 Siskiyou Van Brennans [Bremmer ?] Wells, Shasta Forest 1440 Comment
  CHSC86671  Erigeron divergens Jenny Marr 1993-7-1 54 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS93983  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass Lake); Dry Lake 1402 Comment
  HSC29236  Erigeron glacialis var. glacialis Frederick W. Oettinger 1968-8-23 609 Siskiyou Marble Mtn. Wilderness Area, flats between the rocky ridges on Shasta Ridge, due SE of Diamond Lake 2043 Comment
  HSC76944  Erigeron glacialis var. glacialis K. T. Stillman 1976-9-9 471 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  JEPS25854  Erigeron inornatus var. inornatus Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7486 Siskiyou overlooking headwaters of S. Fork of Scott River, just below road summit Cecilleville-Callahan road 1880 Comment
  CAS-BOT-BC295460  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3056 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  CAS-BOT-BC295812  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2438 Comment
  JEPS57159  Erigeron petrophilus var. viscidulus L. R. Heckard 1967-8-12 1662 Siskiyou ridge about 2 air miles nw Mt. Eddy summit 2255 Comment
  RSA126294  Erigeron philadelphicus I. L. Wiggins 1955-7-25 13506 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  JEPS41375  Erigeron philadelphicus var. philadelphicus Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento, Sisson Comment
  UC909473  Erigeron philadelphicus var. philadelphicus J. H. Thomas 1949-6-16 945 Siskiyou 0.25 mi n Beaver Creek Public Camp (5 mi n of junction of Beaver Creek and Klamath River); Klamath National Forest Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  UC1211908  Eriodictyon californicum Roy L. Taylor 1960-6-12 4447 Siskiyou 1 mi w of jtn of Hwy 96 (Klamath River Rd.) and Hwy 99 n Yreka (above Klamath River); above Klamath River Comment
  CAS-BOT-BC250071  Eriogonum compositum var. compositum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  CAS-BOT-BC248840  Eriogonum compositum var. compositum Lillian Mott 1976-5-31 19 LM76 Siskiyou Klamath River, for ca. 4.5 miles below jct. of Hwy. 5 and 96 579 Comment
  CAS-BOT-BC250072  Eriogonum compositum var. compositum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Yreka 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
  CHSC67579  Eriogonum congdonii James D. Jokerst 1992-7-30 3433 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  CAS-BOT-BC246491  Eriogonum diclinum John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC246492  Eriogonum diclinum Doris K. Kildale 1928-8-20 6620 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC43406  Eriogonum diclinum K. T. Stillman 1976-6-27 148 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  JEPS74481  Eriogonum elatum var. elatum W. J. Ferlatte 1966-8-2 214 Siskiyou wooded area near public camp; Trinity Alps, Big Flat 1524 Comment
  JEPS84298  Eriogonum elatum var. elatum L. R. Heckard with J. Hickman et al. 1986-7-17 6488 Siskiyou ca. 3.5 mi n on Oak Knoll Ranger Station road to Condrey Mt. Hwy 96 (Walker) 850 Comment
  CAS-BOT-BC33527  Eriogonum elatum var. villosum George Dexter Butler 1910-6-26 1606 Siskiyou Near Yreka Comment
  CAS-BOT-BC261216  Eriogonum hirtellum James L. Reveal; Darin S. Reveal 1978-8-9 4810 a Siskiyou Along the dirt road from near Happy Camp to Baldy Mountain Lookout (USFS #17N11), 0.5 mile south of the junction of 17N23 near the head of Doolittle Creek 1280 Comment
  CAS-BOT-BC261219  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou North of West Branch Camp, Waldo-Happy Camp Road Comment
  RSA279582  Eriogonum luteolum James L. Reveal, Mark L. Reveal 1975-8-15 3949 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Daggett Creek Road on the west slope of Cedar Cove, about 0.5 mile east of the Forest Service Road 46N52, about 2.2 miles north of California Highway 96 Comment
  CAS-BOT-BC263655  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou South bank of Klamath River between McKinney and Parkhouse Creeks, near Hamburg 609 Comment
  CAS-BOT-BC263656  Eriogonum luteolum var. luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CAS-BOT-BC263659  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou Klamath River above the mouth of the Shasta River Comment
  CHSC99209  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-28 9125 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  HSC83320  Eriogonum marifolium D. W. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta between Shasta Ski area and Green Butte 2591 Comment
  UC6357  Eriogonum marifolium Wm. H. Brewer 1862-9-13 1396 Siskiyou Mt. Shasta 2133 Comment
  UC77434  Eriogonum marifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 230 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC267388  Eriogonum marifolium var. marifolium Peter Kamb 1949-8-25 1485 Siskiyou Southwest slope of Mt Shasta above Horse Camp 2560 Comment
  POM316726  Eriogonum microtheca var. laxiflorum Patricia Wilder 1965-9-29 4194 Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  RSA17737  Eriogonum microtheca var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  UC1540014  Eriogonum microthecum var. ambiguum Mitchell 1936-5-9 12 Siskiyou sse sloipe of Schonchin Butte Lava Beds National Monument, Schonchin Butte 1569 Comment
  CAS-BOT-BC261671  Eriogonum nudum var. nudum Reed C. Rollins; T. S. Chambers 1938-8-15 2723 Siskiyou 3 miles south of Weed 914 Comment
  CAS-BOT-BC261672  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  HSC42993  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-15 4365 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC19517  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-16 1133 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  CAS-BOT-BC269747  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 365 Comment
  UC1483463  Eriogonum nudum var. oblongifolium Maralyn A. Renner 1980-6-23 992 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad., W. Fork Seiad C 877 Comment
  POM105615  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills. 1220 Comment
  CAS-BOT-BC272473  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-7 9411 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  JEPS85495  Eriogonum nudum var. pubiflorum L. R. Heckard and T. I. Chuang 1968-7-2 1969 Siskiyou 6 mi n along US Highway 97 Weed 1219 Comment
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  SDSU6761  Eriogonum pyrolifolium D. F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC85678  Eriogonum pyrolifolium J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  JEPS56446  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou near Shackelford Creek; Quartz Valley Comment
  JEPS108710  Eriogonum siskiyouense Thomas W. Nelson and Jane P. Nelson 1980-7-20 6154 Siskiyou Along Forest Service road 40N08, Carmen Lake Rd., ca .6 mi from junction witht State Route 3. 1645 Comment
  NY323543  Eriogonum siskiyouense E. L. Greene 1876-8-22 s.n. Siskiyou On Scott Mountain 2743.2 Comment
  CAS-BOT-BC263394  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  UCD101201  Eriogonum strictum var. proliferum Dean William Taylor; G. Ledyard Stebbins 1972-7-4 1623 Siskiyou along Highway 3, about 3 miles east of Etna. 1066 Comment
  CAS-BOT-BC267944  Eriogonum umbellatum W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  CAS-BOT-BC267954  Eriogonum umbellatum Elmer I. Applegate 1935-6-2 9271 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC65496  Eriogonum umbellatum R. White 1977-7-1 103 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  CAS-BOT-BC267996  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  HSC2394  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-18 424 Siskiyou Willow Creek Trail. 1707 Comment
  RSA237776  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  RSA237986  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -b Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  CAS-BOT-BC267995  Eriogonum umbellatum var. argus Gordon H. True 1966-9-9 3293 Siskiyou 20 miles south east of Obrien on Happy Camp Road 1524 Comment
  CAS-BOT-BC267794  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  CAS-BOT-BC509287  Eriogonum umbellatum var. goodmanii Dana York 2011-8-13 3065 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, summit of Black Marble Mountain 2268 Comment
  UC2028223  Eriogonum umbellatum var. goodmanii Barbara Ertter 1990-7-14 9312 Siskiyou E side Mt Eddy ca. 4 air miles due W of Mt. Shasta City, at streamlet near end of FR 41 N53 ca 1 mile N of Morgan Meadows Comment
  RSA183674  Eriogonum umbellatum var. goodmanii Gilbert Muth 1965-8-10 199 Siskiyou Along upper ridges, Marble Valley Comment
  HSC34660  Eriogonum umbellatum var. humistratum Thomas W. Nelson, J. O. Sawyer 1974-10-29 1744 Siskiyou Cirque of Little Duck Lake, rim of lake Comment
  HSC43435  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-7 1328 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  JEPS85704  Eriogonum umbellatum var. humistratum Roger Raiche 1983-8-14 30613 Siskiyou fell-field slope near summit of road to Mt. Eddy ((A.K.A. road to Dead Fall Meadow, Park Creek Road, or Forest Road 42N17)) 2133 Comment
  UC585150  Eriogonum umbellatum var. modocense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1952 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, North slope of Mt. Shasta); Mt. Shasta 1235 Comment
  CAS-BOT-BC265195  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  CAS-BOT-BC265196  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  CHSC30840  Eriogonum umbellatum var. nevadense M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3261 Siskiyou Little Mt. Hoffman, in pumice. 2225 Comment
  CAS-BOT-BC265199  Eriogonum umbellatum var. nevadense A. A. Heller 1922-7-14 13684 Siskiyou Near Pumice Stone Mountain Comment
  HSC91336  Eriophorum crinigerum Jennifer Whipple 1977-7-21 2018 Siskiyou Near Durney Lake 2073 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  CAS-BOT-BC301100  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301105  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  JEPS34609  Eriophyllum lanatum var. achilleoides George D. Butler 1909-4-30 688 Siskiyou near Yreka Comment
  RSA106204  Eriophyllum lanatum var. achilleoides D. D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  UC195247  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-6 115 Siskiyou Gazelle Comment
  CAS-BOT-BC301106  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou W. base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC301109  Eriophyllum lanatum var. achilleoides D. H. Johnson; F. G. Palmer 1935-5-16 s.n. Siskiyou Caves eleven miles northeast of Weed 1097 Comment
  RSA75642  Eriophyllum lanatum var. achilleoides Albert M. Vollmer, L. Beane 1951-6-2 40 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC31778  Eriophyllum lanatum var. grandiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  HSC355  Eriophyllum lanatum var. lanceolatum William J. Ferlatte 1967-8-17 957 Siskiyou Yellow Rose Mine 1982 Comment
  UC1299257  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-11 3535 Siskiyou 8.4 mi n Klamath River (on Cedar Camp road, w Siskiyou County) 914 Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  UC195258  Eriophyllum lanatum var. lanceolatum Annie M. Alexander and Louise Kellogg 1911-7-16 254 Siskiyou S. Fk. Salmon River Comment
  HSC8476  Erodium cicutarium R. C. Wunner 1965-6-7 114 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground on route to Dragon Head Cave 1387 Comment
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  UCD77709  Eryngium alismifolium Robert E. Preston 2000-6-23 1379 Siskiyou Ca. 3.3 mi e of Grenada, on s side of A12, 0.5 mi w of Nelson Rd, 785 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  CAS-BOT-BC54581  Erysimum capitatum L. B. Kildale 1930-6-1 9700 Siskiyou Salmon River at Crapo Creek. Comment
  SEINET11249702  Erysimum capitatum var. capitatum L. E. Detling 1947-6-3 6057 Siskiyou Klamath NF, Happy Camp. 335 Comment
  RSA15591  Erysimum capitatum var. capitatum C. B. Wolf 1927-8-27 1128 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC91047  Erysimum perenne Jennifer Whipple 1976-7-24 1557 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  HSC91050  Erysimum perenne Jennifer Whipple 1978-10-6 2410 Siskiyou Slopes in the Eddy Creek drainage 2287 Comment
  SEINET8264805  Erythranthe nasuta L. E. Detling 1948-5-20 6200 Siskiyou Klamath River near Rocky Bar Forest Camp. 457 Comment
  SEINET3991631  Erythronium citrinum Unknown 1932-4-15 7059 Siskiyou Quartz Valley , near Fort Jones Comment
  HSC77079  Erythronium grandiflorum subsp. grandiflorum K. T. Stillman 1976-6-16 4 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC29205  Eucephalus ledophyllus var. ledophyllus Frederick W. Oettinger 1968-8-16 548 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NW side of Hancock Lake 1936 Comment
  UC893627  Eurybia radulina A. A. Heller 1915-8-24 12206 Siskiyou ne base of Mt. Eddy, Metcalf's Ranch Mt. Eddy 1188 Comment
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Sep 7 2006
  UC1409463  Eurybia radulina Frederick W. Oettinger 1969-8-29 1563 Siskiyou along trail above, between Abbotts Upper Cabin & English Lake Willow Springs; Salmon Mountains, Marble Mountain Wilderness Area, English P 1676 Comment
  CAS-BOT-BC413904  Fallopia convolvulus L. E. Smith 1915-7-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC278205  Festuca altaica William Adams Dayton 1913-6-14 235 Siskiyou Shasta National Forest. E. Fk. of Scott River range 1706 Comment
  CAS-BOT-BC94540  Festuca californica R. C. Wenk 2006-7-24 531 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  LA13197  Festuca idahoensis Louis C. Wheeler; 1934-6-7 2658 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  SEINET238637 Image available Festuca idahoensis Barbara L. Wilson 1996-6-21 8153 Siskiyou Shasta National Forest ; Coonrod Flat 1.4 miles straight east of Forest Service road 13 on Forest Service road 40N12. Comment
  HSC42963  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2757 Siskiyou Along Specimen Creek. 915 Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  UC618987  Festuca pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 mi n Gazelle; Yreka Quad. 792 Comment
  UCD66273  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3431 Siskiyou 13 miles east of Hamburg, banks of Klamath River. Comment
  UC2046864  Festuca viridula R. E. Brainerd with N. Otting 2013-7-12 2182 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. Comment
  CHSC29777  Fragaria virginiana M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2783 Siskiyou Bog around Cedar Lake, at lake edge. 1737 Comment
  CAS-BOT-BC447517  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Frequent around moist places at the lower end of the upper Wagon Camp meadow 1737 Comment
  CAS-BOT-BC53257  Frangula californica subsp. californica Wm. Bridge Cooke 1938-8-5 11436 Siskiyou MacBride Spring Road 1524 Comment
  CAS-BOT-BC53261  Frangula californica subsp. californica A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  HSC18420  Frangula rubra subsp. modocensis D. M. Thosmon 1965-8-14 183 Siskiyou Base of S side of Caldwell Butte, Lava Beds National Monument, 0.25 mi from rd. Comment
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Sep 14 2016
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  HSC91455  Fritillaria atropurpurea Jennifer Whipple 1976-6-17 1018 Siskiyou N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC502844  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12382 -A Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  POM109736  Fritillaria atropurpurea Geo D. Butler 1910-4-24 1235 Siskiyou Kidder Creek Comment
  RSA289931  Fritillaria atropurpurea Geo D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  UC1181806  Fritillaria pudica Dorothy Parker 1950-3-14 Siskiyou Siskiyou Mountains, e side of Scott Valley Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  HSC31734  Fritillaria recurva Glenn McGourty 1974-5-25 55 Siskiyou 1402 Comment
  CAS-BOT-BC504465  Fritillaria recurva L. E. Smith 1913-4-26 124 Siskiyou Dunsmuir Comment
  CAS-BOT-BC504466  Fritillaria recurva Elmer I. Applegate 1895-5-28 713 Siskiyou Sisson, Strawberry Valley, Mt. Shasta region Comment
  CAS-BOT-BC504469  Fritillaria recurva Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  HSC58971  Galium bifolium Gilbert Muth 1975-7-30 4034 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  UC139302  Galium bolanderi Dr. E. B. Copeland 1903-8-14 3779 Siskiyou Sisson Comment
  UC1409412  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou in brushy area between Willow Springs and English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC888782  Galium bolanderi Lewis S. Rose 1937-7-26 37602 Siskiyou 3 mi e Mt. Shasta City 1371 Comment
  JEPS26665  Galium bolanderi Lauramay T. Dempster 1961-7-2 1847 Siskiyou s Steelhead (near Sugar Pine Gulch); Scott River Comment
  SBBG18757  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou Scott River near Mill Crk 1219 Comment
  UC416640  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou The Bend McCloud River Comment
  UC722483  Galium glabrescens subsp. glabrescens C. L. Hitchcock and J. S. Martin 1939-7-6 5228 Siskiyou peak above and n Divide of Siskiyou Mts. (on Takilma-Happy Camp road) 1828 Comment
  HSC49954  Galium serpenticum subsp. scotticum G. L. Clifton, Ground 1978-6-30 1661 Siskiyou Near Forest House, close to the town of Yreka 1098 Comment
  JEPS101156  Galium serpenticum subsp. scotticum Dean W. Taylor 1996-6-18 15701 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC19812  Galium serpenticum subsp. scotticum F. Ehrendorfer, G. L. Stebbins 1959-6-29 5915 Siskiyou Siskiyou/Trinity Co. line, W flank of Scott Mtn. 1921 Comment
  RSA264749  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  CAS-BOT-BC182269  Garrya fremontii L. E. Smith 1912-7-1 s.n. Siskiyou Hornbrook Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS66743  Garrya fremontii W. L. Jepson 1902-7-22 2087 Siskiyou Yocumville to Indian Bar Comment
  RSA503493  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  UC876012  Garrya fremontii Alice Eastwood 1912-8-28 1945 Siskiyou Cantara Comment
  JEPS66597  Gaultheria ovatifolia W. L. Jepson 1907-7-10 2878 Siskiyou Klamath Range near Preston Peak (Kelsey Trail, w Siskiyou County); Klamath Range, Kelsey Trail Comment
  RSA44255  Gayophytum heterozygum W. Bridge Cooke 1949-8-26 25667 Siskiyou Along logging road above Bolam Station, Mount Shasta 1829 Comment
  SBBG25880  Gayophytum humile D. Myrick 1966-8-9 1505 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  POM192605  Gayophytum racemosum M. S. Baker 1898-8-1 504 Siskiyou S west side of Medicine Lake 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
  UC456198  Gentiana calycosa I. J. Condit 1909-8-25 Siskiyou Sisson North Fork of Sacramento River 1371 Comment
  UC70426  Gentiana calycosa Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  NY297626  Gentiana copelandii A. Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  RSA238868  Gentiana plurisetosa Frederick W. Oettinger 1969-8-8 1302 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
  HSC91278  Gentianella amarella subsp. acuta Jennifer Whipple 1976-9-3 1782 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  JEPS11906  Gentianella amarella subsp. acuta Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4798 Siskiyou along road from Callahan to Carrville and Trinity Center (just n of Trinity-Siskiyou County line, meadow 0.1 mi n of summit of divide w of Scott Mt) 1615 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
  UC642518  Gentianopsis simplex W. Bridge Cooke 1939-7-21 13726 Siskiyou Mt. Shasta, Wagon Camp Comment
  UC1299120  Geum macrophyllum Freed W. Hoffman 1951-7-15 4032 Siskiyou Marble Mountains, Hammond Camp, western Siskiyou County Hammond Camp; North Coast Ranges, Marble Mountains, Hammond Camp 1524 Comment
  CAS-BOT-BC459624  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  CAS-BOT-BC143589  Geum triflorum A. H. Kramer 1933-1-1 s.n. Siskiyou Lassen National Park Comment
  POM258025  Geum triflorum var. ciliatum C. Leo Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  RSA237278  Gilia capitata Frederick W. Oettinger 1967-6-28 144 Siskiyou Along road 1/2 mile south of Kelly Gulch toward Sawyers. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 625 Comment
  RSA78824  Gilia capitata P. A. Munz 1952-7-2 17902 Siskiyou Baldy Mountain about 6 miles (by air) west of Happy Camp. 1707 Comment
  HSC44649  Githopsis specularioides J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC282842  Glyceria striata C. F. Baker 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  HSC31076  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  RSA15684  Gnaphalium chilense C. B. Wolf 1927-8-26 1061 Siskiyou Klamath River, 3 miles below Gottville Comment
  CAS-BOT-BC302664  Gnaphalium palustre Geo. B. Grant 1902-9-6 5088 Siskiyou Sisson Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC13544  Goodyera oblongifolia W. C. Blasdale 1894-8-8 Siskiyou Shasta Springs Comment
  RSA381795  Goodyera oblongifolia Louis C. Wheeler 1934-8-14 3118 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  UCD169266  Grayia spinosa T. Bruchman 1978-7-1 147 -A Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  SEINET10615475 Image available Grindelia nana var. nana A. Arthur Heller 1917-9-7 Heller 12979 Siskiyou Shasta valley ten miles south of Gazelle in gravelly soil at the base of a hill. 914 Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  CAS-BOT-BC123569  Haplopappus racemosus subsp. pinetorum David Daniels Keck 1938-8-8 4862 Siskiyou Scott Mts., ridge between Milll and Mule creeks, 3 mi SE of Scott Mt. Lodge. 1340 Comment
  UC454437  Hastingsia alba I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UCD15032  Hastingsia alba John M. Tucker; and Louis K. Mann 1963-7-7 3722 Siskiyou Marble Mountain Wilderness Area, ca. 1/4 mi. north of Paradise Lake; Comment
  RSA237954  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1890 Comment
  CAS-BOT-BC123565  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. South of Sky High Valley 1981 Comment
  CAS-BOT-BC123566  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. Shackleford Creek Trail south of Sky High Valley 1828 Comment
  UC892017  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Mt. Diablo Mer Siskiyou Mts., Condrey Mt. 2164 Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  UC154674  Helianthella californica subsp. nevadensis A. A. Heller 1905-6-1 7941 Siskiyou Shasta Retreat Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  CAS-BOT-BC314844  Helianthella californica var. shastensis Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River 426 Comment
  UCD132926  Helianthus Ben Beard 1978-1 HSP 09 A Siskiyou near Mt. Shasta. Comment
  UCD119422  Heliotropium curassavicum var. oculatum Verne Grant; Irving Schneider 1947-8-26 8303 Siskiyou By Interstate Highway, Lower Klamath Lake. Comment
  CAS-BOT-BC313444  Hemizonella minima B. Bartholomew; B. Anderson 1988-5-12 4082 Siskiyou 4 km E of Hambone Butte between Hambone Butte and teh N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  UC1400372  Heracleum lanatum Frederick W. Oettinger 1968-8-15 522 Siskiyou s.e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  UC1733726  Hesperochiron pumilus Frank Gould, Kay H. Beach 1940-5-15 1237 Siskiyou Bull Meadows Comment
  SJSU3566  Heterocodon rariflorum D. Funnell 1965-7-13 142 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1158 Comment
  UC201300  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Comment
  HSC75653  Heuchera cylindrica J. O. Sawyer, R. J. Cole 1980-7-22 3876 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  RSA0062921  Heuchera cylindrica var. alpina E. K. Balls, P. C. Everett 1952-10-12 18180 Siskiyou 7.2 miles SW of boundary Lava Beds National Monument. Road from Indian Well Ranger Station to Tennant. 1311 Comment
  HSC681  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  CAS-BOT-BC420933  Heuchera micrantha var. diversifolia A. A. Heller 1905-6-17 8060 Siskiyou Near Sisson Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  UC1408935  Hieracium horridum Frederick W. Oettinger 1969-9-3 1610 Siskiyou below English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Shasta Ri 2072 Comment
  UC572809  Hieracium horridum W. Bridge Cooke 1938-8-17 9250 Siskiyou lava slopes Mt. Shasta 2590 Comment
  UC455914  Hieracium nudicaule I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC29197  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Near Tobacco Lake 1890 Comment
  HSC36470  Hieracium scouleri J. O. Sawyer 1969-8-18 1986 Siskiyou Along S Sugar Creek 1921 Comment
  CHSC71484  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1998-7-21 9349 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. 1417 Comment
  HSC29378  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou S of English Lake 1784 Comment
  HSC31802  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-16 2 Siskiyou N facing slopes above Sugar Lake Comment
  JEPS82498  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  RSA237606  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  CAS-BOT-BC152367  Holodiscus discolor var. discolor Lillian Mott 1976-7-8 44 LM76 Siskiyou Salt Gulch, a tributary of Horse Creek ca. 7 miles north of the Klamath River 853 Comment
  CAS-BOT-BC152374  Holodiscus discolor var. discolor Milo S. Baker 1923-8-14 256 -b Siskiyou Camp 6, Smith River Division, Siskiyou National Forest Comment
  CAS-BOT-BC150137  Holodiscus microphyllus var. glabrescens 1902-9-7 s.n. Siskiyou Mt. Shasta - Horse Camp Comment
  UCR142756  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CAS-BOT-BC284739  Hordeum jubatum David D. Keck 1949-7-19 6348 Siskiyou 2 mi. S. of Grenada 777 Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  JEPS96960  Horkelia daucifolia Dean W. Taylor 1997-6-12 16052 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  CAS-BOT-BC123401  Horkelia daucifolia subsp. latior John Thomas Howell 1937-7-29 13677 Siskiyou North slope of Scott Mts. 1676 Comment
  SD215712  Horkelia fusca subsp. pseudocapitata E. K. Balls, L. W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1219 Comment
  JEPS113063  Horkelia fusca var. brownii Roy Buck 1987-6-7 672 Siskiyou along USFS Road 41N72 ca. 8-10 mi NNE of Bartle Comment
  CAS-BOT-BC536225  Horkelia fusca var. parviflora John Thomas Howell 1939-8-8 15140 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC514287  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  SD125937  Horkelia tridentata Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  CHSC86672  Hornungia procumbens Jenny Marr 1993-7-1 55 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC201124  Hosackia crassifolia J. F. Emmel 1968-7-17 87 Siskiyou W slope of Spring Hill, near town of Mt. Shasta Comment
  HSC22222  Hosackia oblongifolia var. oblongifolia J. O. Sawyer 1969-6-11 830 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC82352  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4525 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  UC163836  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  UC164143  Hydrophyllum occidentale Geo. D. Butler 1909-4-25 691 Siskiyou Quartz Valley Comment
  HSC93047  Hypericum anagalloides Jennifer Whipple 1976-7-23 1526 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC206826  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  CAS-BOT-BC206829  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  CHSC52811  Iliamna bakeri L. R. Heckard; L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U.S. 97, 0.7 mile south of Bolam road junction. Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  UC106647  Ipomopsis aggregata A. Eastwood 1893-8-10 Siskiyou Mt. Shasta Comment
  UC922509  Ipomopsis aggregata Annie M. Alexander and L. Kellogg 1949-7-24 5863 Siskiyou trail to Bear Lake Marble Mtns, Paradise Lake 1920 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  HSC81565  Ipomopsis aggregata subsp. aggregata Thomas W. Nelson, Jane P. Nelson 1980-7-17 6093 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  CHSC71588  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9455 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  POM65763  Ipomopsis aggregata subsp. formosissima E. B. Copeland 1903-8-15 3919 Siskiyou Mount Shasta. 2317 Comment
  RSA238795  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger, R. F. Thorne 1969-8-8 1282 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  JEPS17220  Iris chrysophylla J. W. Blankinship 1909-11-6 Siskiyou Dunsmuir Comment
  RSA181799  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -26 Siskiyou Callahan, ca. 2 miles east in creek bottom Comment
  UC593520  Iris tenuissima E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2002 Siskiyou 1.5 mi w Mt. Shasta City (above Sulloway Creek, e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  HSC36670  Iris tenuissima Brent Whiteley 1975-7-3 134 Siskiyou 1220 Comment
  JEPS93197  Iris tenuissima Carol A. Wilson 1992-5-19 92 -25 Siskiyou 4.4 mi s of Happy Camp (on Highway 96); Highway 96 518 Comment
  RSA724918  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; SW side of Taylor Lake Trailhead Road 0.8 km S of the main road; S-facing bowl at the head of Taylor Creek. 1804 Comment
  UCR247348  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Creek, 1.5 mi. west of Yreka 881 Comment
  CDA36766  Isatis tinctoria D. B. Joley 1976-5-13 6 Siskiyou Klamath River, north of Yreka. 0 Comment
  SEINET5342457  Isatis tinctoria G. Butler 1910-6-7 1534 Siskiyou Scott Rin. Comment
  UCD115198  Isatis tinctoria R. C. Bacigalupi; S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97. 1524 Comment
  UC1408844  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1935 Comment
  HSC28735  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou Marble Mtn. Wilderness Area, above Diamond Lake 2073 Comment
  UC1116794  Isoetes occidentalis Robert G. Wetzel 1961-9-13 Siskiyou Castle Lake Comment
  UCR266170  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail, Paradise Lake 1865 Comment
  UC165397  Iva axillaris subsp. robustior Geo. D. Butler 1910-9-12 1874 Siskiyou near lower Klamath Lake 1219 Comment
  UC185649  Ivesia gordonii Dr. E. B. Copeland 1903-8-18 3900 Siskiyou Mt. Eddy 2743 Comment
  UC538029  Ivesia gordonii David H. Johnson 1934-6-11 Siskiyou Dobkins Lake; Mt. Eddy 1828 Comment
  RSA184731  Ivesia gordonii var. alpicola Gilbert Muth 1966-7-22 381 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UC114527  Ivesia pickeringii T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  CHSC40142  Juncus balticus L. P. Janeway 1983-8-16 549 Siskiyou At Poker Flat. Dry front edge of upper portion of meadow. 1524 Comment
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  SEINET5715683 Image available Juncus balticus Sandy Holloway 1963-1 73 Siskiyou Perennial from creepimg rootstock; along a spring drainage area 1 mile south of Oberlin Road, 8 miles southeast of Yreka, Siskiyou County, California.; Yreka 762 Comment
  UCD141342  Juncus balticus subsp. ater Calvin McMillan; Malcom A. Nobs 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  CHSC40150  Juncus covillei L. P. Janeway 1983-8-26 612 Siskiyou At Poker Flat. NW part of meadow near dirt road. 1524 Comment
  UC1601722  Juncus drummondii W. H. Brewer 1862-9-13 1383 Siskiyou Mount Shasta 2560 Comment
Read comments
Oct 25 2008
  HSC73220  Juncus ensifolius Gail Newton 1980-6-20 504 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS84035  Juncus ensifolius L. R. Heckard with J. Hickman et al. 1986-7-17 6529 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  UC1601866  Juncus ensifolius W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  RSA577908  Juncus ensifolius L. C. Wheeler 1935-7-26 3710 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS81651  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  UCD141559  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  JEPS121646  Juncus nevadensis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL03A Comment
  JEPS5819  Juncus nevadensis W. L. Jepson 1940-7-3 20114 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS88728  Juncus nevadensis B. C. Goldsmith 1916-9-29 35 a Siskiyou Medicine Lake Comment
  POM111047  Juncus nevadensis var. nevadensis Geo D. Butler 1910-6-20 1594 Siskiyou Yreka. Comment
  HSC69159  Juncus orthophyllus Maralyn A. Renner 1980-8-4 2209 Siskiyou Flint Valley 1390 Comment
  RSA14328  Juncus orthophyllus Elmer I. Applegate 1923-8-17 3837 Siskiyou Medicine Lake. Comment
  RSA238913  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC167844  Juncus orthophyllus C. B. Bradley 1879-1 Siskiyou Comment
  RSA233708  Juniperus communis var. montana Robert F. Thorne, Fred Oettinger 1969-8-10 39011 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2439 Comment
  CAS-BOT-BC81237  Juniperus occidentalis Elmer I. Applegate 1935-6-5 9293 Siskiyou Indian Well, Lava Beds National Monument Comment
  CHSC27340  Juniperus occidentalis T. B. Devine 1977-10-23 371 Siskiyou About 300 yds w of jct of Hwy 3 and unimproved lagging road leading w to area of Little and Big Duck Lakes. 944 Comment
  SEINET5450470 Image available Juniperus occidentalis Ross C. Clark, Bob Harvey; Chris Harvey 23916 Siskiyou Interstate Hwy. 5- vicinity of Hawkinsville. Comment
  SEINET9345130  Juniperus occidentalis 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
  POM281925  Juniperus occidentalis var. occidentalis Lyman Benson 1929-3-27 1075 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  RSA293265  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath River. On CA 96 along the Klamath River between Swillup Creek and Coon Creek, ca 17 miles south of Happy Camp. 300 Comment
  HSC90522  Kelloggia galioides Jennifer Whipple 1977-8-5 2178 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  HSC90596  Kelloggia galioides Jennifer Whipple 1976-7-23 1522 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  RSA184796  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou N side of Black Mountain. Marble Mtns. 1982 Comment
  UC164058  Kelloggia galioides Geo. D. Butler 1910-7-9 1707 Siskiyou Shackleford Creek 1219 Comment
  UC164422  Kelloggia galioides Geo. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills 1219 Comment
  UCD121979  Kelloggia galioides Alfred H. Murphy 1961-7-19 61 -I Siskiyou Marble Mountains, Klamath National Forest. North end Sky High Valley. 1584 Comment
  SD112652  Kochia scoparia subsp. scoparia D. F. Howe 1964-8-4 4023 Siskiyou By water canal, 1.6 miles north of Lava Bed National Monument 1219 Comment
  SEINET212850 Image available Koeleria macrantha L. E. Detling 1959-6-7 8213 Siskiyou Brush Cr near Klamath River 716 Comment
  CHSC118609  Koeleria macrantha Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016011 Siskiyou Lower Parks Creek watershed, E Klamath Range; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  CAS-BOT-BC273775  Koeleria pyramidata Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  CAS-BOT-BC273776  Koeleria pyramidata Elmer I. Applegate 1935-6-8 9435 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC499654  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  UC1023729  Kyhosia bolanderi W. B. Cooke 1941-8-8 16165 Siskiyou Wagon Camp; Mount Shasta Comment
  HSC41089  Kyhosia bolanderi J. O. Sawyer 1969-8-5 1997 Siskiyou Along trail to Sugar Lake Comment
  POM30798  Lagophylla ramosissima Geo D. Butler 1910-6-2 1448 Siskiyou Yreka. Comment
  CHSC35549  Lathyrus lanszwertii var. tracyi James P. Smith 1973-5-5 6415 Siskiyou Roadside and streamside along Cook and Green Pass road. Comment
  UCD106351  Lathyrus latifolius S. P. Lynch 1975-4-19 1384 Siskiyou Along roadsides on St. Hwy. 96, 16.3 mi. NE of Happy Camp. Comment
  POM29213  Lathyrus pauciflorus subsp. brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain. Comment
  RSA211220  Ledum glandulosum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  UC163723  Lemna turionifera Geo. D. Butler 1908-7-4 1090 Siskiyou Shasta River Comment
  CDA3780  Lepidium campestre J. R. Grisham 1958-5-15 412 -58 Siskiyou 0 Comment
  HSC101560  Lepidium chalepense J. P. Smith, J. O. Sawyer 2010-5-6 12814 Siskiyou Roadside along Klamath River 536 Comment
  CAS-BOT-BC88925  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  UC166134  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CAS-BOT-BC89829  Lepidium montanum A. A. Heller 1925-7-25 s.n. Siskiyou In the Shasta Valley north of Gazelle. Comment
  JEPS54272  Lepidium perfoliatum L. T. Dempster 1934-8-4 1006 Siskiyou Yreka Comment
  HSC6831  Lepidium perfoliatum R. C. Wunner 1965-6-13 153 Siskiyou California Lava Beds National Monument, across Devil's Homestead 1296 Comment
  UC856584  Lepidium virginicum A. A. Heller 1916-8-24 12561 Siskiyou near Sisson 1074 Comment
  RSA601533  Leptosiphon filipes L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  RSA237972  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1177 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC341893  Lessingia nemaclada Ira L. Wiggins 1955-7-23 13461 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC341903  Lessingia nemaclada Carl B. Wolf 1927-8-26 1058 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  RSA15802  Lessingia nemaclada Carl B. Wolf 1927-8-26 1058 Siskiyou Klamath River, 3 miles below Gottville Comment
  UC33169  Lessingia nemaclada Milo S. Baker 1893-8-17 Siskiyou Squaw Valley Mt. 1219 Comment
  UCD134102  Lessingia ramulosa James P. Smith; John Sawyer 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at turnoff to the Proctor Ranch. Comment
  CHSC4282  Leucothoe davisiae D. Parker 1965-7-24 894 Siskiyou At edge of Horseshoe Lake, Salmon mt. 1859 Comment
  HSC65559  Lewisia cotyledon R. White 1977-6-19 84 Siskiyou 1 mi. from Trout Camp by trail to Devil's Punchbowl 1341 Comment
  POM117377  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  RSA756941  Lewisia cotyledon R. F. Thorne 1969-8-2 63342 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC444053  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC92945  Lewisia leeana Jennifer Whipple 1976-6-18 1041 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2378 Comment
  JEPS27804  Lewisia leeana Lauramay T. Dempster and Clare Hardham 1961-7-1 1820 -A Siskiyou watershed between Horse Creek and Applegate River drianage (e slope, just below the the peak-summit); Siskiyou Mountains, White Mountain 1950 Comment
  CAS-BOT-BC444087  Lewisia leeana Philip A. Munz 1952-7-2 17915 Siskiyou On rd. to Baldy Mt., 6 mi. w. (by air) of Happy Camp, Siskiyou Mts. 1432 Comment
  RSA211271  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin. 1982 Comment
  SD211682  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trail crossing of Rt. 17); ca. 8.0 airmiles southwest of Weed. 2194 Comment
  RSA464484  Lewisia rediviva Christopher Davidson 1975-6-5 2660 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  SEINET4175850 Image available Lewisia triphylla Sally Walker 1983-8-23 Siskiyou Mt Shasta 2896 Comment
  UC1037117  Leymus cinereus Leo Whitney 1934-6-29 2250 Siskiyou near Tennant; Antelope Creek 1463 Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  UC54199  Lilium kelleyanum H. M. Hall and E. B. Babcock Jun 1903 4047 a Siskiyou near Sisson (18th crossing of the Sacramento River); Sierra Nevada Mountains, Mount Shasta 1036 Comment
Read comments
Dec 13 2006
  CAS-BOT-BC509364  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
  CAS-BOT-BC130811  Lilium pardalinum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house 1341 Comment
  CAS-BOT-BC130812  Lilium pardalinum H. A. Thomas; J. H. Thomas 1954-7-21 4412 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  SEINET8370192  Lilium pardalinum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch, northeast base of Eddy in moist soil in the forest. 1189 Comment
  SEINET8480730  Lilium pardalinum G. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley. Comment
  HSC77935  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1502 Siskiyou Near Flint Valley 1402 Comment
  CAS-BOT-BC133027  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1493 Comment
  UC971913  Lilium washingtonianum subsp. purpurascens Herbert L. Mason 1950-7-16 14063 Siskiyou road from Happy Camp, Calif. to Waldo, Oregon Comment
  SEINET3818100  Limnorchis leucostachys A. A. Heller 1915-1 Siskiyou Comment
  UC726828  Linanthus ciliatus A. A. Heller 1938-7-12 15247 Siskiyou 5 mi n Weed (along U.S. Highway 97) Comment
  UC880334  Linanthus ciliatus A. A. Heller 1916-6-23 12428 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC1409301  Linanthus harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Tobacco Lake meadows, vicinity of English Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC91972  Linanthus pungens Jennifer Whipple 1976-7-7 1332 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  RSA139035  Linaria dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Rd. Comment
  RSA166006  Linaria dalmatica Donald Myrick 1961-6-20 285 Siskiyou On Old McCloud Road to Bear Springs about 1 mile east of Mt. Shasta City. 1159 Comment
  CAS-BOT-BC240388  Linnaea borealis subsp. longiflora Doris K. Kildale 1929-7-20 8538 Siskiyou Trail to Preston Peak along South Fork of Indian Creek 1219 Comment
  RSA211331  Linum lewisii William J. Ferlatte 1967-7-6 668 Siskiyou Near LeRoy Mine. Trinity Alps. 2104 Comment
  UC4707  Listera convallarioides C. B. Bradley 1897-1 Siskiyou Comment
  SACT002879  Lithocarpus densiflorus Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  CHSC27759  Lithophragma glabrum William Frank 1978-4-1 3 Siskiyou Scattered throughout foothills facing s Lake Shastina via public fishing access road ca. 3 miles to end. Comment
  UC570871  Lithophragma glabrum Dorothy Tebbe 1930-3-28 67 Siskiyou near Weed; near Weed Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  JEPS47484  Lithophragma parviflorum Geo. D. Butler 1904-4-25 782 Siskiyou Quartz Valley Comment
  CHSC31062  Lithospermum californicum M. S. Taylor 1980-7-8 3088 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou. 1036 Comment
  CAS-BOT-BC325941  Lithospermum californicum Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC325942  Lithospermum californicum Alice Eastwood 1923-5-23 11915 Siskiyou Cantara. S.P.R.R. [Southern Pacific Railroad] Comment
  CDA40611  Lithospermum ruderale Vernon H. Oswald & Lowell Ahart 1998-6-11 9176 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  SEINET4671424  Lolium perenne G. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  UCR37582  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat 1529 Comment
  SEINET3143867  Lomatium dissectum G. D. Butler 1910-5-7 1303 Siskiyou In thickets on dry hill near Luka Comment
  CAS-BOT-BC211135  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, about 1.5 mi. e. of Scott Mountain road 1737 Comment
  CAS-BOT-BC211136  Lomatium engelmannii A. A. Heller 1922-7-3 13676 Siskiyou West of Wagon Creek 2286 Comment
  CHSC59665  Lomatium macrocarpum K. Bridwell 1978-4-14 73 B Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  UC337570  Lomatium macrocarpum J. G. Lemmon 1889-6-26 Siskiyou Mountains near Edgewood Comment
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Jun 26 2012
  UC922405  Lomatium macrocarpum Annie M. Alexander and Louise Kellogg 1949-7-22 5843 Siskiyou trail to Kings Castle Paradise Lake (top of ridge); Marble Mts., , trail to Kings Castle 2072 Comment
  OBI8923  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou On Montague Rd. 5 mi W of Mt Hebron town 1554 Comment
  CHSC192  Lonicera ciliosa V. Holt 1932-6-26 Siskiyou Mt. Eddy 914 Comment
  SEINET3154550  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug mountain 1219 Comment
  HSC69201  Lonicera conjugialis Maralyn A. Renner 1980-7-24 2080 Siskiyou Lily Pad Lake 1768 Comment
  JEPS13671  Lonicera conjugialis W. L. Jepson 1937-7-30 18548 Siskiyou headwaters Indian Creek (Poker Flat, near Del Norte Co. boundary); Siskiyou Mountains 1584 Comment
  SD76186  Lonicera conjugialis Helen V. Witham 1969-10-6 551 Siskiyou Cliffs above Kangaroo Lake. 2100 Comment
  UCD137302  Lonicera conjugialis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1716 Comment
  UC375303  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  UC796606  Lotus nevadensis var. nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11866 Siskiyou 1 mi w Gazelle Comment
  UC61648  Lotus oblongifolius var. oblongifolius Geo. B. Grant Sep 1902 5236 Siskiyou Shasta Springs Mount Shasta 609 Comment
  JEPS95289  Lotus pinnatus Vernon H. Oswald and L. Ahart 1994-7-11 6401 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir 1783 Comment
  RSA105529  Lotus unifoliolatus G. D. Barbe 025 Siskiyou 1.8 miles north of Callahan. 1006 Comment
  RSA211154  Lotus unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail, densely wooded canyon; Trinity Alps. 1677 Comment
  CAS-BOT-BC140246  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Trail from Big Rock Camp to Jump off, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC140249  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area 2072 Comment
  CAS-BOT-BC140250  Luetkea pectinata Maxine Wilkes 1940-8-1 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  HSC29397  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  UC860313  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. 1981 Comment
  UCD113636  Luetkea pectinata Alfred H. Murphy 1960-8-10 60 G Siskiyou Klamath National Forest, below Black Mtn. 2072 Comment
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Apr 3 2015
  UCR80256  Luetkea pectinata L. C. Wheeler 1934-8-14 3121 Siskiyou Siskiyou Mtns., 1 mile west of White Mt. 1921 Comment
  CAS-BOT-BC140245  Luetkea pectinata W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Creek, Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC201285  Lupinus Charles Piper Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97 Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  UC1409292  Lupinus albicaulis var. shastensis Frederick W. Oettinger 1969-8-19 1462 Siskiyou near Abbott's Basin ((high lake basins in the vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  SEINET10936717  Lupinus albifrons Charles Piper Smith 1947-5-13 Smith 47271 Siskiyou 9.2 miles e of weed. Hwy 97 Comment
  CAS-BOT-BC195957  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Near Fort Jones Comment
  CAS-BOT-BC196318  Lupinus albifrons var. flumineus Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  RSA263032  Lupinus albifrons var. flumineus David B. Dunn, B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N of Weed, on U.S. Hwy 97, at Whitney Creek. Comment
  RSA47602  Lupinus albifrons var. flumineus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11725 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET10871210  Lupinus albifrons var. flumineus Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 689 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  SEINET10874219  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney creek. Sw facing slope, volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus, and arctostaphylos 1250 Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  CHSC26188  Lupinus andersonii J. P. Kroessig 1977-8-6 52 Siskiyou Jct of Everitt Memorial Hwy and McBride Springs Campground access road, w base of Mt Shasta, ca. 4.5 km n of Mt Shasta City. 1460 Comment
  HSC22255  Lupinus andersonii J. O. Sawyer 1969-8-5 1945 Siskiyou Along Sugar Creek. 1921 Comment
  JEPS95095  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  SD61048  Lupinus argenteus Darley F. Howe 1964-8-5 3936 Siskiyou 3 miles south of Dorris on Hwy 97 1219 Comment
  HSC71624  Lupinus bicolor J. P. Smith 1973-5-5 6570 Siskiyou Etna 793 Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC196694  Lupinus breweri var. breweri Marion Ownbey; Ruth P. Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  RSA237957  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Rocky ridge east of English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  SEINET10490581  Lupinus breweri var. breweri Ruth P. Ownbey 1938-7-20 Ownbey 1763 Siskiyou Open gravelly slopes near dry lake lookout, summit of the siskiyou mts., Siskiyou co., Calif. Comment
  CAS-BOT-BC215181  Lupinus croceus Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy 2529 Comment
  CAS-BOT-BC215200  Lupinus croceus John Thomas Howell 1937-7-29 13667 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  HSC795  Lupinus croceus William J. Ferlatte 1967-7-9 700 Siskiyou Kidd Creek Trail 1677 Comment
  HSC81669  Lupinus croceus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6070 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  RSA372147  Lupinus croceus var. pilosellus O. Kenney 1973-6-4 384 -a Siskiyou Along road from Cecilville to Callahan, 6.4 miles W of Callahan 1738 Comment
  UC146920  Lupinus klamathensis Harley P. Chandler June, 1901 1720 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mountain 1828 Comment
  SEINET11159979  Lupinus klamathensis Morris, K. , Conrad; Dunn, D., Dunn, D. 1973-6-2 357 Siskiyou Siskiyou County Comment
  SEINET11161339 Image available Lupinus latifolius A. A. Heller 1914-1 11709 Siskiyou Deetz station 1158 Comment
  HSC75194  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-7-7 165 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC77004  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-6-25 85 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  HSC59016  Lupinus lepidus Marvin Butler 1971-7-20 178 Siskiyou Near El Capitan Lake, close to Cave Junction 1464 Comment
  UC1190239  Lupinus lepidus var. lobbii Ira L. Wiggins 1955-7-21 13436 Siskiyou 2 mi above Mt. View Ranch Rush Creek Trail 1097 Comment
  UC609334  Lupinus lepidus var. lobbii Eleanor Burks Hart 1938-8-18 934 Siskiyou e slope Boulder Peak; e slope Boulder Peak 2529 Comment
  CHSC66540  Lupinus lepidus var. sellulus Vernon H. Oswald 1996-7-12 8006 Siskiyou High Cascade Range. Sand Flat on Mt. Shasta 1.5 mi N of Everitt Memorial Hwy. (A10). 2164 Comment
  UC598746  Lupinus lepidus var. sellulus C. Hart Merriam Sept. 1898 Siskiyou Sisson Comment
  HSC2245  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  UC1713502  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River Comment
  SEINET10485529  Lupinus leucophyllus var. belliae Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6978 Siskiyou Wester yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  UC82247  Lupinus luteolus Dr. E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  RSA25916  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Dry land near Yreka. Comment
  UC156986  Lupinus nanus Geo. D. Butler April 17, 1910 - April 30, 1910 1190 Siskiyou Yreka; dry hill Yreka Comment
  CHSC26174  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy., ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  RSA331948  Lupinus obtusilobus Dave Kelly, Walter Wisura, A. Kelly 1985-7-31 4087 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  UCSB17478  Lupinus onustus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  RSA183652  Lupinus polyphyllus subsp. superbus Gilbert Muth 1965-8-6 188 Siskiyou Marble Mountains; backside of Black Mountain Comment
  CDA27573  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  SEINET10490236  Lupinus sellulus subsp. ursinus Worley 1985-6-1 WORLEY 89 Siskiyou Shast-trinity national forest, scott mtn. 1829 Comment
  RSA50195  Lupinus sellulus var. artulus E. K. Balls 1949-7-8 13909 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  UC1265317  Luzula comosa var. laxa Frederick W. Oettinger 1969-8-16 1398 Siskiyou Salmon Mountains. Western Siskiyou County. The High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. SW of Wiregrass Meadow below English Lake 1676 Comment
  RSA578038  Luzula comosa var. laxa L. C. Wheeler 1935-6-27 3603 Siskiyou Head of Etna Creek, Marble Mountains 1799 Comment
  RSA105371  Luzula divaricata G. D. Barbe 1955-8-5 361 Siskiyou Growing along the trail from Big Flat to Caribou Lake at a point northwest of the summit of Caribou Mtn. Salmon Mountains. 2409 Comment
  RSA215595  Luzula divaricata Gilbert Muth 1969-8-10 1329 Siskiyou Ridge west of Boulder Peak. 2348 Comment
  CAS-BOT-BC499138  Luzula macrantha Peter F. Zika 2012-5-18 25885 Siskiyou Near entrance to Castle Crags State Park, above Castle Creek, Castella, 3 ir km SSE of Castle Dome 640 Comment
  HSC22266  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along CCC rd. just S of Sugar Creek 1463 Comment
  UC843145  Luzula parviflora John Thomas Howell 1939-8-9 15228 Siskiyou ridge s Marble Valley (Marble Mts.); , ridge s of Marble Valley Comment
  UCR142988  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Siskiyou Mtns, [Spaulding Creek a tributary of] Cottonwood Creek 1311 Comment
  HSC39844  Luzula parviflora J. O. Sawyer 1969-6-23 1455 Siskiyou N Horse Range Creek along Rd. 41N14 1037 Comment
  CAS-BOT-BC231461  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
  CDA40731  Lycopus asper H. Christensen 1964-7-21 s.n. Siskiyou East side of Lower Sump, Modoc Wildlife Refuge. 0 Comment
  CDA8233  Madia bolanderi T. C. Fuller, Don Shaw 1974-9-24 20039 Siskiyou Below Pacific Coast Trail, summit of Siskiyou Mountains, east of White Mountain. 0 Comment
  UC89394  Madia elegans Brandegee 1887-7-1 Siskiyou Edgewood Comment
  UCR66731  Madia exigua L. C. Wheeler 1934-6-2 02607 Siskiyou Siskiyou Mtns, Oak knoll ranger station, Klamath River 671 Comment
  HSC77501  Madia exigua L. P. Janeway 1983-6-25 332 Siskiyou Ca. 500 m from West Branch Guard Station 671 Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  CAS-BOT-BC343441  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs 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
  UC618807  Madia gracilis unknown 1938-8-5 11440 Siskiyou MacBride Springs, Bear Springs; Mount Shasta 1524 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
  RSA68871  Maianthemum racemosum subsp. amplexicaule A. E. Culbertson 1943-6-19 85 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET11601695 Image available Malacothrix sonchoides G. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  JEPS107390  Marrubium vulgare Lowell Ahart, John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC67849  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  HSC71457  Medicago lupulina J. P. Smith 1973-5-5 6386 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC16105  Medicago lupulina T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC43365  Medicago minima N. G. Sugihara 1977-5-28 87 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  CAS-BOT-BC269228  Melica aristata John Thomas Howell 1937-7-23 13365 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC269231  Melica aristata C. G. Pringle 1881-8-23 s.n. Siskiyou Mount Shasta 1828 Comment
  RSA239019  Melica aristata Frederick W. Oettinger 1969-8-4 1159 Siskiyou Above Half-way Spring between English Lake and Diamond Lake. Salmon Mountains: The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  UC1157302  Melica aristata W. Bridge Cooke and V. G. Cooke 1966-7-17 37251 Siskiyou Widow Springs Mt. Shasta (Mt. Shasta) 1524 Comment
  SEINET10599386  Melica fugax George D. Butler 1910-1 Butler 1251 Siskiyou Dry hill Yreka. Comment
  UC144807  Melica harfordii A. A. Heller 1905-6-1 7935 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  RSA602387  Melica spectabilis L. C. Wheeler 1935-7-26 3701 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  SEINET10599586  Melica spectabilis Louis C. Wheeler 1935-7-26 Wheeler 3701 Siskiyou Damp sunny E slope, Jaynes Canyon, Siskiyou Mts. T47N R10W S12, Mt. Diablo Mer. 1951 Comment
  HSC27345  Melica subulata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5700 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC30607  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  RSA45309  Mentha canadensis Dorothy Parker 1946-9-3 s.n. Siskiyou Plowman s Valley 1189 Comment
  CHSC32900  Mentha spicata J. P. Smith; Steve Selva 1970-7-17 4439 Siskiyou Roadside and stream bank in farming area. 914 Comment
  UC163998  Mentha spicata Geo. D. Butler 1908-7-17 177 Siskiyou near Yreka; near Yreka Comment
  UC164047  Mentzelia laevicaulis var. laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou near Yreka Comment
  CDA17130  Mertensia bella G. F. Hrusa 2001-6-6 15844 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  CAS-BOT-BC428543  Micranthes aprica Stuart K. Harris 1960-6-28 21595 Siskiyou Vicinity Taylor Lake Comment
  CAS-BOT-BC429260  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou Sisson Comment
  POM53404  Microseris laciniata subsp. laciniata E. B. Copeland 1903-4-13 3818 Siskiyou Sisson 1067 Comment
  SBBG8718  Microseris nutans H. and M. Dearing 1939-6-30 3752 Siskiyou Etna 1219 Comment
  HSC36956  Microsteris gracilis J. P. Smith 1974-5-26 7567 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC40420  Mimulus cardinalis J. O. Sawyer 1973-7-16 2538 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  UC922555  Mimulus cardinalis Annie M. Alexander and Louise Kellogg 1948-9-5 5583 Siskiyou near mouth Matthews Creek; Siskiyou Mountains, South Fork of Salmon River Comment
  HSC39828  Mimulus guttatus J. O. Sawyer 1969-7-26 1570 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  RSA237287  Mimulus guttatus Frederick W. Oettinger 1967-6-28 142 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  RSA237548  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou North side of Horse's Hole near Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1037453  Mimulus inodorus Milo S. Baker and Douglas Barbe 1955-6-30 55 Siskiyou 0.6 mi nw Forest Camp, Etna; Klamath Mountains, Johnson Creek 914 Comment
  UC2046560  Mimulus layneae William J. Ferlatte 1974-7-14 1521 Siskiyou lower slope of Grouse Ridge Comment
  UCR137198  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Marble Mtns., Klamath National Forest, Marble Valley Summit Trail 2134 Comment
  UC1409381  Mimulus moniliformis Frederick W. Oettinger 1968-8-11 478 Siskiyou just below spring Tom Taylor Cabin (High Lakes Basin in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2048 Comment
  HSC36467  Mimulus moschatus J. O. Sawyer 1969-8-3 1938 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  UCD122800  Mimulus moschatus J. M. Tucker; R. Tofsrud 1948-8-3 1778 Siskiyou 3 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  HSC445  Mimulus moschatus William J. Ferlatte 1967-8-22 1104 Siskiyou Kidd Creek Trail 1951 Comment
  HSC90991  Mimulus nanus Jennifer Whipple 1976-8-20 1716 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2470 Comment
  UCR72690  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 932 Siskiyou 8.0 mi east of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89 from USFS Road 40N16; 2.4 mi west of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi west of USFS Ash Creek Station 1100 Comment
  UC1409382  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou nw Lower English Lake (High Lakes Basin in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  SEINET10756245 Image available Mimulus primuloides var. linearifolius A. Arthur Heller 1915-8-26 Heller 12224 Siskiyou Heather meadow near the head of Wagon creek canon, Mt. Eddy. Pinus monticola is the only tree on the adjacent slopes. 2591 Comment
  RSA11895  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  HSC69047  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2342 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC135706  Minuartia nuttallii subsp. gregaria Dr. E. B. Copeland 1903-8-18 3907 Siskiyou Mt. Eddy 2133 Comment
  RSA78840  Minuartia nuttallii subsp. gregaria P. A. Munz 1952-7-2 17918 Siskiyou Road to Baldy Mountain about 6 miles by air west of Happy Camp, Siskiyou Mountains 1448 Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  HSC92012  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1979-6-15 4851 Siskiyou Along SR 3 3.1 mi. N of Scott Mtn. Pass 1250 Comment
  SEINET4853159  Minuartia stolonifera Unknown 1983-7-29 7500 Siskiyou Along west side of State Rt. 3, 2.4 mi N. of Scott Mountain Pass just S of junction with road 40N03. 1372 Comment
  SEINET4856155  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  HSC62312  Mitella breweri Al Hobart 1968-6-23 Siskiyou Youngs Valley 1524 Comment
  CAS-BOT-BC433064  Mitella pentandra John Thomas Howell 1939-8-3 14965 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC4887  Mitella pentandra J. O. Sawyer 1968-7-10 520 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC433077  Mitella trifida T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1066 Comment
  UC1019311  Moehringia macrophylla Dorothy Parker 1953-5-24 533 Siskiyou Scott River; Siskiyou Mountains, Scott River 681 Comment
  HSC27229  Mollugo verticillata J. P. Smith, J. O. Sawyer 1971-9-18 4791 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  SEINET6645733  Mollugo verticillata L. C. Wheeler 1935-7-20 3676 Siskiyou Scott River, 1 1/2 mi. W. of Ft. Jones 823 Comment
  CAS-BOT-BC222029  Monardella odoratissima subsp. glauca Alice Eastwood 1923-5-23 11914 Siskiyou Cantara, S.R.R.R. Comment
  CAS-BOT-BC220368  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-8 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  JEPS63385  Monardella odoratissima subsp. pallida Ruby Van Deventer 1938-7-31 182 Siskiyou near Poker Flat (where trail starts to Twin Valley) 1371 Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220265  Monardella sheltonii Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  CAS-BOT-BC220266  Monardella sheltonii Dr. E. B. Copeland 1903-6-7 3497 Siskiyou Hornbrook Comment
  CHSC71317  Montia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9204 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Common in low scrub bordering the lake. 1402 Comment
  CAS-BOT-BC445210  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  SJSU6510  Montia parvifolia Trivelpiece 1972-6-15 117 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  CAS-BOT-BC262613  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area. Up across Marble on east side of Black Mtn. 2103 Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC262677  Muhlenbergia asperifolia Louis C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE Gazelle 868 Comment
  SEINET10596045  Muhlenbergia asperifolia George D. Butler 1910-8-21 Butler 1848 Siskiyou Damp soil, Shasta Valley. Comment
  CAS-BOT-BC275338  Muhlenbergia jonesii A. A. Heller 1922-7-16 13719 Siskiyou Near Pilgrim Creek forest nursery, near Mount Shasta Comment
  UC1265407  Muhlenbergia montana F. W. Oettinger 1969-8-16 1389 Siskiyou rocky slope sw Wiregrass Meadow (near Upper English Lake); Salmon Mountains 1676 Comment
  RSA45312  Myosotis scorpioides Dorothy Parker 1946-6-6 3 Siskiyou (Etna) Scott Valley. 897 Comment
  JEPS1364  Nama lobbii W. L. Jepson 1894-8-4 21002 Siskiyou half-way up Mt. Shasta from Sisson to Horse Camp; half-way up Mt. Shasta fr Sisson to Horse Camp 1828 Comment
  UC618615  Nama lobbii W. Bridge Cooke 1938-6-17 11034 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  RSA237899  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Boggy meadow west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET8501736  Narthecium californicum W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  CHSC63346  Navarretia capillaris Vernon H. Oswald; Lowell Ahart 1994-7-11 6399 Siskiyou Junction of Forest Rd. 26 (to Mt. Shasta) and Forest Rd. 40N45 (to Deadfall Lakes Trailhead), 1.0 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir. Roadside beside a pond. 1901 Comment
  HSC44289  Navarretia intertexta J. P. Smith, Steve Selva 1970-8-8 4551 Siskiyou Juanita Lake Comment
  UC163990  Navarretia intertexta Geo. D. Butler 1908-7-5 107 Siskiyou near Yreka Comment
  HSC79091  Navarretia intertexta Paul Wilson 1984-9-1 377 Siskiyou Juanita Lake Reservoir 1555 Comment
  RSA565358  Navarretia sinistra Alva Day, Orbelia Robinson 1984-6-28 84 -17 Siskiyou Highway 3, 5.4 miles south of junction with Callahan-Gazelle Road, 0.9 miles north of Scott Mountain summit. 1494 Comment
  JEPS1865  Nemophila heterophylla George D. Butler 1909-3-9 658 a Siskiyou Yreka Comment
  CDA40364  Nemophila heterophylla T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  UC1560413  Nemophila parviflora E. Joyal and D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake); , Happy Camp-Takilma Road 1524 Comment
  HSC67946  Nicotiana attenuata J. P. Smith, Steve Selva 1970-7-16 4387 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC164455  Nicotiana attenuata Geo. D. Butler 1910-7-1 1618 Siskiyou near Yreka Comment
  UCD126706  Nicotiana attenuata P. Quentin Tomich 1954-6-18 441 Siskiyou Indian Well, Lava Beds National Monument. 1463 Comment
  RSA478854  Nitrophila occidentalis L. C. Wheeler 1934-10-21 3341 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  CAS-BOT-BC60586  Noccaea fendleri subsp. glauca Doris K. Kildale 1929-8-24 8822 Siskiyou Preston Peak. Comment
  HSC34294  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer 1973-8-14 7288 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  JEPS93853  Nothocalais troximoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9199 Siskiyou Dry Lake on south side of Tennant Road, ca. 9 air mi east of Grass Lake, ca 22 air mi northeast of Weed. 1402 Comment
  HSC27594  Notholithocarpus densiflorus Carl W. Mize 1972-6-21 67 Siskiyou Along trail 335 Comment
  CAS-BOT-BC140451  Oemleria cerasiformis Lewis S. Rose 1945-6-18 45134 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA78993  Oenothera elata subsp. hirsutissima E. K. Balls, P. C. Everett 1953-10-13 18182 Siskiyou 0.7 mi S of Fish Hatchery, Mt Shasta and on road to Castle Lake. 1067 Comment
  POM108009  Olsynium douglasii Geo D. Butler 1910-3-11 1123 Siskiyou Yreka Hills. Comment
  POM211388  Olsynium douglasii Louis C. Wheeler 1935-3-18 3377 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945 Comment
  JEPS48972  Olsynium douglasii var. douglasii J. W. Kisling 1910-1 Siskiyou 2 mi nw Weed; Edgewood Comment
  JEPS107393  Opuntia fragilis Lowell Ahart, John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC355592  Oreostemma alpigenum var. andersonii Doris K. Kildale 1928-8-19 6520 Siskiyou English Lake, head of north fork of Salmon River Comment
  CHSC114078  Oreostemma alpigenum var. andersonii Jennifer Buck; Deborah Stout 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento River headwters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  CAS-BOT-BC355591  Oreostemma alpigenum var. andersonii W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  HSC77236  Orogenia fusiformis L. P. Janeway 1983-7-10 410 Siskiyou Poker Flat 1524 Comment
  JEPS84046  Orogenia fusiformis L. R. Heckard with J. Hickman et al. 1986-7-17 6547 Siskiyou ca. 1 mi. n.e. Buckhorn 2100 Comment
  HSC92964  Orthilia secunda Jennifer Whipple 1977-7-22 2029 Siskiyou Near Dobkins Lake 2073 Comment
  UC1190151  Orthilia secunda Ira L. Wiggins 1955-7-29 13582 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CAS-BOT-BC458084  Orthilia secunda Doris K. Kildale 1928-7-2 5337 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC95774  Orthocarpus cuspidatus subsp. copelandii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 170 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  JEPS4544  Orthocarpus cuspidatus subsp. copelandii Alice Eastwood 1912-8-30 1965 Siskiyou Mount Eddy Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UC726880  Osmorhiza berteroi A. A. Heller 1916-7-20 12467 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  POM208280  Osmorhiza berteroi L. C. Wheeler 1934-7-6 2885 Siskiyou Siskiyou Mountains, Hungry Creek 1098 Comment
  HSC76995  Osmorhiza occidentalis K. T. Stillman 1976-8-7 184 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA459027  Osmorhiza occidentalis L. C. Wheeler 1934-8-16 3166 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  HSC73996  Osmorhiza purpurea Gail Newton 1980-6-20 510 Siskiyou Near Bald Mtn. 1097 Comment
  SJSU2592  Ozomelis trifida H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr 1143 Comment
  JEPS26959  Packera cana W. L. Jepson 1940-6-23 20007 Siskiyou n of Mt. Shasta (near Andesite station) 975 Comment
  UC585147  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1957 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope Mt. Shasta 1249 Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  CAS-BOT-BC317135  Packera streptanthifolia var. streptanthifolia A. Heller 1905-6-20 8076 Siskiyou Gazelle, Siskiyou county Comment
  CAS-BOT-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  RSA52141  Paeonia brownii Dorothy Parker 1948-5-18 s.n. Siskiyou West side of Scott Valley 915 Comment
  HSC10501  Panicum oligosanthes var. scribnerianum C. B. Wolf 1927-8-26 1099 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CHSC1647  Parnassia fimbriata V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  RSA467322  Parnassia fimbriata M. B. Dunkle 1945-1 9360 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  JEPS128828  Parnassia palustris Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -056 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  CAS-BOT-BC202867  Paxistima myrsinites W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  JEPS9614  Paxistima myrsinites J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC163687  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou gulch below Cold Spring (Woolly Creek); Woolly Creek Comment
  UC163985  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat Comment
  UCSB25456  Paxistima myrsinites McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  SEINET10739292  Paxistima myrsinites Louis Krautter 1905-7-15 Krautter s.n. Siskiyou Black Butte. 1219 Comment
  POM72141  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  SJSU6539  Pedicularis contorta R. W. Trivelpiece 1973-6-28 156 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  RSA238819  Pedicularis contorta Frederick W. Oettinger 1967-7-26 202 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA238822  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Below Diamond Lake on way to English Lake. Salmon Mountains. High Lake Basins, in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  JEPS19692  Pedicularis densiflora Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5959 Siskiyou region immediately s of Mount Eddy (Canyon of the South Fork of Sacramento River, along mountain road to Gumboot Lake); Sacramento River 1767 Comment
  HSC58888  Pedicularis racemosa Marvin Butler 1971-8-11 279 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  SEINET13751981  Pedicularis racemosa G. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek Comment
  SEINET10702295  Pedicularis racemosa var. racemosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  CAS-BOT-BC69318  Pellaea brachyptera Alice Eastwood 1922-10-18 11541 Siskiyou Shasta Springs Comment
  CHSC62  Pellaea brachyptera V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  SEINET6429241  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns; West Fork Cottonwood Creek 1238 Comment
  CAS-BOT-BC67687  Pellaea brachyptera Geo. D. Butler 1910-8-1 1820 Siskiyou Humbug Mt. 1371 Comment
  SFV17489  Penstemon anguineus P. Wilson 1998-7-23 3547 dup. Siskiyou Marble Mountain Wilderness at Bear Lake. 1900 Comment
  JEPS24965  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou summit of Takilma-Happy Camp Road Siskiyou Mts., summit Takilma-Happy Camp Road 1676 Comment
  POM43273  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou Shackleford Creek. 1829 Comment
  RSA211396  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou North side of Caribou Mtn. Trinity Alps. 1982 Comment
  CHSC69094  Penstemon cinicola Vernon Oswald; Lowell Ahart 1997-7-28 8786 Siskiyou Southwest of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  RSA233656  Penstemon davidsonii Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39005 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CHSC102575  Penstemon davidsonii var. davidsonii L. P. Janeway 2009-8-3 9887 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2680 Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 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
  HSC19127  Penstemon deustus J. O. Sawyer 1969-7-9 1262 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC61126  Penstemon deustus Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  HSC67773  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-20 3792 Siskiyou E side of Grouse Hill 2134 Comment
  SBBG82196  Penstemon deustus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  RSA309613  Penstemon deustus subsp. deustus Walter Wisura 1983-9-16 3938 Siskiyou 5.9 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  UC175799  Penstemon deustus var. pedicellatus T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  SFV5160  Penstemon deustus var. suffrutescens B. C. Templeton 1960-6-21 8527 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CHSC30239  Penstemon gracilentus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3262 Siskiyou Little Mt. Hoffman, n side. 2225 Comment
  OBI9277  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt. Shasta, along John S. Everett Memorial hwy 2134 Comment
  UC60948  Penstemon gracilentus Geo. B. Grant September 1902 5132 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  NY600698  Penstemon gracilentus K. A. Vincent 1987-6-28 4442 Siskiyou Cascade Range, Mt. Shasta; logged area in scrub flat on lava flow between Mt. Shasta and the Whaleback along Andesite - Military Pass Road, ca. 4.6 miles southeast of junction US 97 located 14.4 miles northeast of junction US 97 and I-5 Business Loop in 1554.5 Comment
  CHSC97345  Penstemon heterodoxus var. shastensis Jenny Marr 2006-6-18 232 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  NY601602  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou Fowlers Camp, McCloud River, 6 miles east of McCloud 975.4 Comment
  UCD124274  Penstemon heterodoxus var. shastensis Jack Major 1961-7-14 639 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  UCSB23750  Penstemon laetus Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road; 6.8 miles northwest of Happy Camp; Siskiyou Mountains 457 Comment
  JEPS69755  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1972-6-30 45409 Siskiyou Andesite-Military Pass Road Mt. Shasta 1524 Comment
  NY604548  Penstemon laetus var. sagittatus H. D. D. Ripley 1948-7-5 9631 Siskiyou East of Little Shasta 1066.8 Comment
  HSC23  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin 1677 Comment
  HSC2407  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-8-5 333 Siskiyou Caribou Mtn. 2470 Comment
  HSC4840  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-9-9 656 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  JEPS101482  Penstemon newberryi var. berryi Dean W. Taylor 1972-7-3 1611 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  HSC81520  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-21 6157 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  HSC19133  Penstemon parvulus J. O. Sawyer 1969-7-3 1052 Siskiyou SE facing slope above Horse Range Creek 1799 Comment
  HSC29301  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill near Hancock Lake 2058 Comment
  RSA407902  Penstemon parvulus M. B. Dunkle 1944-7-18 9123 Siskiyou Siskiyou National Forest Comment
  UC722754  Penstemon parvulus C. L. Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou California on Takilma-Happy Camp Road peak above and n of divide of Siskiyou Mts. 1828 Comment
  SEINET4440734 Image available Penstemon piliferus A. A. Heller 1905-1 7991 Siskiyou Comment
  CHSC1883  Penstemon procerus subsp. formosus V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2133 Comment
  HSC21  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake Basin 1677 Comment
  HSC69505  Penstemon procerus var. brachyanthus John Palmer 1980-7-24 655 Siskiyou Dillon Divide 1707 Comment
  UC1212118  Penstemon roezlii F. Chisaki, G. Newcomb 1958-6-22 1160 Siskiyou between Ft. Jones and Gazelle (9.6 mi on road from Ft. Jones to Gazelle) 9.4 mi s from road to Duzel Rock; , btw Ft. Jones and Gazelle 1645 Comment
  NY661037  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou Near Yreka Comment
  UC144615  Penstemon speciosus A. A. Heller 1905-6-8 7991 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  UC164359  Penstemon speciosus Geo. D. Butler 1909-6-20 430 Siskiyou near Yreka; near Yreka Comment
  OBI2045  Penstemon speciosus J. H. Applegarth 1969-6-19 s.n. Siskiyou W of Cow Crk, a tributary of Beaver Crk 1524 Comment
  UC27591  Penstemon speciosus Miss Edmonds May, 1893 Siskiyou Comment
  RSA237657  Perideridia howellii Frederick W. Oettinger, R. Thorne 1969-8-8 1309 Siskiyou West of English Lake above the main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA715948  Perideridia lemmonii L. Ahart, John Dittes 2005-6-10 12112 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  NY406112  Perideridia leptocarpa L. Constance 1966-6-15 3768 Siskiyou West-facing slope above Trinity River, 5 miles northwest of Cecilville 762.0 Comment
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Mar 2 2015
  UC1390010  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5880 Siskiyou Cecilville Comment
  UC1595826  Perideridia leptocarpa Wayne Rolle 1991-7-25 466 Siskiyou above road less than 1/4 mi s Butcher Gulch (above river); Rogue River National Forest, S Fork Salmon River Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC64423  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-17 4419 Siskiyou Along Klamath River Comment
  CAS-BOT-BC419263  Persicaria maculosa Doris K. Kildale 1928-7-25 5987 Siskiyou Klamath River, Mack's Creek near Hamburg 457 Comment
  CHSC4537  Phacelia J. E. Bowlin 1967-7-18 75 Siskiyou Off roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 Comment
  HSC68576  Phacelia corymbosa Maralyn A. Renner 1980-6-23 981 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS55965  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  UC666544  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir 670 Comment
  UCR93351  Phacelia egena 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
  SD98970  Phacelia frigida Darley F. Howe 1977-7-5 Siskiyou Are north of Mt. Shasta. 1463 Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  UC735040  Phacelia greenei Lincoln Constance and Herbert L. Mason 1947-5-17 3200 Siskiyou summit of nw spur Scott Mountain 1828 Comment
  RSA94034  Phacelia greenei R. C. Barneby 1954-5-16 11530 Siskiyou 6 miles SW of Yreka 976 Comment
  HSC69267  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3711 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  CHSC97391  Phacelia hastata subsp. hastata Jenny Marr 2006-6-18 227 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  JEPS105229  Phacelia heterophylla subsp. virgata Dean W. Taylor 1995-6-25 15114 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  JEPS2081  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou 2 mi e Montague 822 Comment
  POM73741  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek. Comment
  JEPS57393  Phacelia linearis L. R. Heckard with T. I. Chuang 1968-7-2 1967 Siskiyou along U.S. Hwy 97 6 mi n Weed 1219 Comment
  UC711858  Phacelia mutabilis Roxana S. Ferris and Laura Lorraine 1941-8-11 10506 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  HSC29259  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou Salmon Mtns., just below Tom Taylor Cabin Spring 2043 Comment
  HSC76763  Phacelia mutabilis K. T. Stillman 1976-9-9 494 Siskiyou Ridge above Paradise Lake Comment
  RSA238766  Phacelia mutabilis Frederick W. Oettinger 1967-8-13 258 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains; the High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC27649  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 6 Siskiyou Along main trail 335 Comment
  JEPS93894  Phalaris arundinacea Vernon H. Oswald and Lowell Ahart 1998-7-21 9327 Siskiyou Highway 97 between Weed and Macdoel (at w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  CAS-BOT-BC77436  Philadelphus lewisii John Thomas Howell 1937-7-26 13560 Siskiyou Between Big Flat and Caribou Gulch Comment
  RSA0058050  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou Down creek from Marble Valley, Marble Mts. Comment
  RSA0097451  Philadelphus lewisii E. E. Stanford 1930-6-15 1601 Siskiyou Shasta River Canyon near Yreka. Comment
  HSC77101  Phleum alpinum K. T. Stillman 1976-7-30 339 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  RSA135325  Phlox adsurgens Volney Rattan 1879-1 s.n. Siskiyou East slope Siskiyou Mountains Comment
  SD76189  Phlox caespitosa Helen V. Witham 1969-10-9 603 Siskiyou On scree at timberline, Mt. Shasta 2400 Comment
  CAS-BOT-BC383122  Phlox diffusa Andrew Townesmith; Karen M. Meyer 2007-7-30 868 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  HSC19154  Phlox diffusa J. O. Sawyer 1969-6-13 954 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC76920  Phlox diffusa K. T. Stillman 1976-6-26 132 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  POM75602  Phlox douglasii subsp. rigida Geo D. Butler 1910-3-13 1127 Siskiyou Klamath Hills. Comment
  CAS-BOT-BC60684  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  CAS-BOT-BC135020  Phoradendron bolleanum G. T. Benson 1921-12-23 s.n. Siskiyou Hilt Comment
  UC164050  Phoradendron densum Geo. D. Butler 1908-7-16 1071 Siskiyou Klamath R. Comment
  CAS-BOT-BC56507  Phyllodoce empetriformis Lewis S. Rose 1925-8-3 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  CAS-BOT-BC64869  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-19 331 Siskiyou Along the Pacific Crest Trail, near top of Pass below Mount Eddy. 2440 Comment
  CAS-BOT-BC140610  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC69278  Picea breweriana Maralyn A. Renner 1980-9-1 2677 Siskiyou Bear Mtn. 1936 Comment
  SEINET10666399  Picea breweriana Peter W. Fritsch, James R. Shevock 2012-6-20 Fritsch 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14. 1755 Comment
  RSA105393  Pinus albicaulis G. D. Barbe 1955-8-5 360 Siskiyou Growing along a ridge NW of the summit of Caribou Mtn in the Salmon Mtns. 2409 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  CAS-BOT-BC78329  Pinus attenuata Doris K. Kildale 1928-8-21 6640 Siskiyou Big Creek - trail from Finley Camp to English Lake Comment
  JEPS46916  Pinus attenuata W. L. Jepson 1907-7-11 2889 Siskiyou upper crossing to Quartz Valley; S Fork Smith River Comment
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Nov 12 2011
  CAS-BOT-BC73307  Pinus balfouriana Peter H. Raven 1956-9-4 10391 Siskiyou Ridge s. of Mt. Eddy. 2651 Comment
  UC1980216  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe August 1975 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  UC688866  Pinus balfouriana William E. Ferguson 1942-8-28 Siskiyou Lyon Lake Etna Quadrangle (sw quarter of quadrangle) 2133 Comment
  SBBG33719  Pinus balfouriana W. M. Plumb 1969-9-23 Siskiyou between Cory Pk and China Mtn 2133 Comment
  RSA237207  Pinus lambertiana Frederick W. Oettinger 1967-8-26 329 Siskiyou Southeast of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC60968  Pinus lambertiana Kate Stirring 1914-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC78926  Pinus monticola W. B. C. 1938-9-17 11705 Siskiyou Slopes below Horse Camp 2133 Comment
  CAS-BOT-BC78950  Pinus monticola Doris K. Kildale 1929-8-24 8840 Siskiyou Preston Peak 2225 Comment
  HSC32581  Pinus monticola Steven Lagos 1974-5-26 84 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 64 2073 Comment
  HSC69016  Pinus monticola Maralyn A. Renner 1980-7-24 2021 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC72864  Pinus ponderosa Doris K. Kildale 1927-11-20 4174 Siskiyou Klamath River at Hornbrook Comment
  UCD133279  Pinus ponderosa Beecher Crampton 1960-2-1 5474 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  UC375219  Piperia leptopetala Geo. D. Butler 1908-6-28 Siskiyou near Oro Fino Comment
  RSA611015  Plagiobothrys tenellus L. C. Wheeler 1935-5-18 3495 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  HSC58932  Plantago lanceolata Marvin Butler 1971-8-11 304 Siskiyou Near Cyclone Gap, close to town of Cave Junction 1677 Comment
  RSA183677  Plantago lanceolata Gilbert Muth 1965-8-16 226 Siskiyou Marble Valley Guard Station. Marble Mtns. Near trail. Comment
  HSC61842  Platanthera dilatata var. leucostachys Al Hobart 1967-1 Siskiyou Poker Flat 1585 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  HSC58908  Platanthera sparsiflora Marvin Butler 1971-7-12 116 Siskiyou Near Copper Camp, close to the town of Cave Junction 1372 Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  RSA183651  Platanthera stricta Gilbert Muth 1965-8-4 169 Siskiyou Marble Mountains, Marble Valley Comment
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Sep 6 2009
  HSC21687  Plectritis macrocera R. C. Wunner 1965-6-6 57 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  HSC73288  Pleuricospora fimbriolata Gail Newton 1980-6-20 517 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC261069  Poa Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak 1950 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 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
  UCD90663  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Eureka. 800 Comment
  CDA18411  Poa pratensis G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2634 Siskiyou Klamath Ranges; East Fork Scott River, 2 miles east of Callahan, between highway and river, ca 500 ft west of Hwy 3 bridge. 975 Comment
  UCD91985  Poa pratensis Roger Zwanziger 1950-4-22 s.n. Siskiyou Albee Ranch. Comment
  SEINET11683992  Poa pringlei C. G. Pringle 1882-1 s.n. Siskiyou about the headwaters of Sacramento River 2438 Comment
  UCD90327  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3404 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD90333  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3590 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  CAS-BOT-BC243241  Poa secunda subsp. secunda Gilbert J. Muth 1969-8-6 1213 Siskiyou Boulder Peak Comment
  CAS-BOT-BC243242  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Jaynes Canyon, Klamath Forest 1920 Comment
  UCD91627  Poa secunda subsp. secunda A. A. Heller 1920-6-28 13402 Siskiyou Beyond Wagon Creek falls, east side of Mt. Eddy. 1524 Comment
  CAS-BOT-BC244179  Poa trivialis Roxana S. Ferris; Laura Lorraine 1948-6-12 11747 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  UCD52742  Podagrostis humilis Robert E. Preston 2001-7-20 1683 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, N. of Hemlock Lake. 1712 Comment
  RSA126050  Polemonium californicum I. L. Wiggins 1955-7-29 13573 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  CHSC1308  Polemonium carneum V. Holt 1941-6-1 Siskiyou Siskiyou mountains. Comment
  UC107059  Polemonium carneum Thos. Howell 1889-5-10 1381 Siskiyou Hornbrook Comment
  CAS-BOT-BC313714  Polemonium eddyense R. Stubbs 2010-7-15 015 Siskiyou Mt Eddy in the Klamath Mts. On trail leading to summit. First plants on S aspect along trail. Plants also on summit 2749 Comment
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Jul 6 2020
  POM365429  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge west of Little Duck Lake 2378 Comment
  CAS-BOT-BC74165  Polyctenium fremontii L. E. Smith 1913-5-18 227 Siskiyou Bray. Comment
  HSC67490  Polygala californica J. P. Smith, Steve Selva 1970-6-14 3889 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  CAS-BOT-BC170327  Polygala cornuta var. cornuta Alice Eastwood 1912-7-19 1209 Siskiyou Sisson Comment
  CAS-BOT-BC170341  Polygala cornuta var. cornuta Wm. Bridge Cooke 1938-7-22 11324 Siskiyou Sisson Southern Trail - Mount Shasta 1371 Comment
  POM204110  Polygala cornuta var. cornuta J. T. Howell 1934-7-4 12406 Siskiyou SE corner of Siskiyou County Comment
  RSA749253  Polygala cornuta var. cornuta K. M. Meyer, A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  UC705877  Polygala cornuta var. cornuta Marion Ownbey and Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi nw McCloud Comment
  CAS-BOT-BC170333  Polygala cornuta var. cornuta W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton, near Black Butte Comment
  JEPS100294  Polygonum aubertii Dean W. Taylor 2001-8-27 17902 Siskiyou Mt. Shasta; in Weed, on far western end of town between old highway to Yreka and present-day Interstate 5 1036 Comment
  CAS-BOT-BC414276  Polygonum aviculare subsp. depressum R. E. Frenkel 1963-7-15 246 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing, near Mount Shasta 1176 Comment
  CAS-BOT-BC414279  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC1408821  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Crapo Peak ridge trail break Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 2194 Comment
  HSC74927  Polygonum douglasii J. P. Smith, Jennifer Whipple 1978-7-2 9978 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  UCR64596  Polygonum douglasii subsp. spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mtns 1006 Comment
  UC1409315  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  RSA65857  Polygonum minimum Louis C. Wheeler 1934-8-13 11430 Siskiyou Johnson Dairy, Siskiyou Mts. 1829 Comment
  RSA240081  Polygonum persicaria Frederick W. Oettinger 1969-8-29 1562 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CDA17138  Polygonum phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  SD62053  Polygonum phytolaccifolium Darley F. Howe 1965-8-8 4127 Siskiyou Saddle, south of Little Gray Back Klamath National Forest 1402 Comment
  RSA237758  Polygonum phytolaccifolium Frederick W. Oettinger 1969-8-7 1274 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC1112263  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5936 Siskiyou about 2 1/2 mi nw Weed (pool close to US Hwy 99) 1005 Comment
  UC1191237  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-18 13624 Siskiyou Grass Lake Comment
  JEPS77491  Polygonum polygaloides subsp. confertiflorum Susan Horner 1978-6-30 414 a Siskiyou about 4 mi sse of Hambone (road between 40N05 and Sand Flat Well, about 22 air mi ene of McCloud); ; 40N3E30 Comment
  CAS-BOT-BC420064  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  CAS-BOT-BC420951  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  CAS-BOT-BC420952  Polygonum sawatchense subsp. sawatchense Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  CAS-BOT-BC383121  Polygonum shastense Andrew Townesmith; Karen M. Meyer 2007-7-30 867 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 2399 Comment
  CAS-BOT-BC95032  Polygonum shastense R. C. Wenk 2008-7-24 912 Siskiyou SW side of Mount Shasta, Panther Meadow 2255 Comment
  HSC28660  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  UC637175  Polypodium glycyrrhiza Edward Lee 1934-8-11 1034 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  HSC61162  Polypodium hesperium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  CAS-BOT-BC76731  Polystichum imbricans subsp. imbricans J. H. Thomas 1954-5-14 4176 Siskiyou Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  HSC30491  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1969-8-25 1554 Siskiyou Salmon Mtns., Little N Fork stream crossing along trail from end of the logging rd. to the Devil's Canyon trail 1220 Comment
  CAS-BOT-BC72388  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou Mt. Eddy 2346 Comment
  CHSC63313  Polystichum lemmonii Vernon H. Oswald; Lowell Ahart 1994-7-11 6404 Siskiyou Gumboot Lake Rd. (40N37) just S of Forest Rd, 26 ( to Mt. Shasta), W of Dunsmuir. 1777 Comment
  HSC92662  Polystichum lemmonii Jennifer Whipple 1976-8-20 1730 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  SEINET10754709  Polystichum lemmonii Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC1076339  Polystichum lemmonii Dorothy Tebbe 1929-6-28 26 Siskiyou Mt. Eddy Comment
  UC336670  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Mt. Eddy Comment
  HSC76642  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC72406  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCD136528  Polystichum lonchitis John M. Tucker 1963-8-19 3772 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 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
  UC185241  Polystichum scopulinum Geo. D. Butler 1910-7-12 1756 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC72513  Polystichum scopulinum Louis C. Wheeler 1934-8-16 3172 Siskiyou 2 miles east of White Mt., Siskiyou Mts. 1920 Comment
  CDA42711  Polystichum scopulinum T. C. Fuller, D. H. Shaw 1974-9-24 20042 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  CAS-BOT-BC102773  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  HSC19175  Populus tremuloides J. O. Sawyer 1968-7-23 603 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UCD144584  Potamogeton amplifolius Steve Orloff 2002-1 s.n. Siskiyou Cecilville, Property owned by John Riewerts. 709 Comment
  UC637083  Potamogeton foliosus Edward Lee 1934-8-12 1238 Siskiyou near mouth of Walker Creek (s side of Klamath River, e end of Seiad Valley); Klamath River, Seiad Valley 426 Comment
  CDA814  Potamogeton foliosus Doug Horn 1985-7-31 Siskiyou Flowing stream at Horn Ranch on Eastside Road, Etna. 0 Comment
  JEPS93889  Potentilla biennis Vernon H. Oswald and Lowell Ahart 1998-7-21 9341 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  UC1560740 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2117 Siskiyou ridge e Cory Peak; China Mt. se Quad., ridge e of Cory Peak 2286 Comment
  HSC19187  Potentilla flabellifolia J. O. Sawyer 1968-7-9 434 Siskiyou W of Little Duck Lake. 1936 Comment
  UC420527  Potentilla fruticosa Annie M. Alexander and Louise Kellogg 1911-8-14 330 Siskiyou Mt. Eddy Comment
  POM34962  Potentilla glandulosa subsp. ashlandica Geo. D. Butler 1910-7-8 1658 Siskiyou Shakleford Creek 1372 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
  JEPS98790  Potentilla gracilis var. fastigiata Sue Pappalardo 1993-7-19 494 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  UC574870  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-22 13277 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC158452  Potentilla gracilis var. flabelliformis J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  CHSC71499  Potentilla millefolia Vernon H. Oswald; Lowell Ahart 1998-7-21 9342 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  UC1034646  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Highway 99, 4 mi s Gazelle; s of Gazelle 914 Comment
  CAS-BOT-BC158527  Potentilla millefolia A. A. Heller 1905-6-20 8074 Siskiyou Gazelle Station Comment
  CAS-BOT-BC158533  Potentilla millefolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53379 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  HSC83923  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  CAS-BOT-BC516381  Prosartes hookeri Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  RSA238551  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-1 1126 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC158240  Prunus emarginata Doris K. Kildale 1928-8-20 6625 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  RSA63068  Prunus emarginata L. S. Rose 1950-5-7 50108 Siskiyou Shasta Springs 915 Comment
  UC466756  Prunus emarginata Annie M. Alexander and Louise Kellogg 1911-6-15 144 Siskiyou Jackson Lake 1798 Comment
  UC673252  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 2922 Siskiyou 3 mi w of Yreka (Road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
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Mar 27 2013
  HSC18834  Prunus virginiana var. demissa D. M. Thomson 1965-7-10 134 Siskiyou Lava Beds N.M., 0.5 mi. S on main rd. from information center Comment
  HSC24682  Prunus virginiana var. demissa J. O. Sawyer 1969-8-1 1662 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC59609  Prunus virginiana var. demissa J. P. Smith, Steve Selva 1970-7-16 4411 Siskiyou Beaver Creek Campground. 823 Comment
  CAS-BOT-BC357405  Pseudognaphalium microcephalum Alice Eastwood 1921-7-26 10868 Siskiyou Soda Creek Comment
  CAS-BOT-BC357406  Pseudognaphalium microcephalum Alice Eastwood 1912-7-21 1297 Siskiyou Sisson Comment
  CAS-BOT-BC357409  Pseudognaphalium microcephalum Carl B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  JEPS97196  Pseudoroegneria spicata subsp. spicata Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95023 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District 1341 Comment
  UC593544  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1944 Siskiyou about 8 mi s of Yreka 822 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
  HSC45039  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-21 2983 Siskiyou Near Prescott Peak 1677 Comment
  UC54247  Pseudotsuga menziesii var. menziesii H. M. Hall and E. B. Babcock 1903-6-1 4077 Siskiyou near, n of Sisson Upton; Sierra Nevada, Mount Shasta 1219 Comment
  HSC30661  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou Marble Mountain Wilderness Area, near Tom Taylor Cabin 2027 Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  RSA97287  Pteryxia terebinthina var. californica F. W. Peirson 1923-7-19 3951 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  UCD113279  Purshia tridentata R. V. Parke 1954-5-15 120 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  RSA449668  Purshia tridentata var. tridentata H. E. McMinn 1931-6-27 2517 Siskiyou Shasta City. Comment
  UC30131  Purshia tridentata var. tridentata W. C. Blasdale 1894-7-31 Siskiyou Sisson Comment
  UC140049  Pycnanthemum californicum Copeland 1903-8-12 3837 Siskiyou Sisson Comment
  HSC43038  Pyrola aphylla J. O. Sawyer, Ken Stillman 1976-7-2 2811 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC67799  Pyrola dentata J. Sawyer, J. Cole 1980-7-22 3991 Siskiyou Little Horse Peak 1720 Comment
  HSC19200  Pyrola picta J. O. Sawyer 1968-9-10 689 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  SJSU2586  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr. & W Branch Indian Cr, Siskiyou Mts Comment
  UC32711  Pyrola picta W. C. Blasdale 1894-7-1 Siskiyou Mount Shasta Comment
  UC32712  Pyrola picta Milo S. Baker 1893-1 Siskiyou McCloud River near Bartles; McCloud River Comment
  UCSB22296  Pyrola picta Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  CHSC106271  Pyrrocoma lanceolata var. lanceolata Lowell Ahart; John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  CDA8519  Pyrrocoma racemosa var. congesta T. C. Fuller 1958-8-13 Siskiyou Scott Valley, 5 miles south of Ft. Jones. 0 Comment
  OBI55526  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23519 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC45748  Quercus Roxana S. Ferris; Laura Lorraine 1948-6-12 11859 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  CAS-BOT-BC68643  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 c Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  HSC29142  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  CAS-BOT-BC105464  Quercus kelloggii Mrs. Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  POM166670  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  SEINET10838949  Quercus kelloggii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 349 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  CDA22036  Quercus sadleriana T. C. Fuller, Don Shaw 1974-9-24 20031 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  SD126416  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Crek trail; Marble Mountain Wilderness Area. 1341 Comment
  SFV17814  Quercus sadleriana J. M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UC552335  Quercus sadleriana Rimo Bacigalupi 1935-10-21 2369 Siskiyou summit of road from Waldo, Oregon to Happy Camp (Del Norte-Siskiyou County line); Siskiyou Mountains Comment
  UCD47262  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCD47446  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
  JEPS90107  Raillardella pringlei Dean W. Taylor 1988-7-9 9939 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  UC827588  Ranunculus alismifolius var. alismifolius Frank W. Gould 1940-5-14 1225 Siskiyou 11 mi w highway U.S. 97 (on road to Montague); Bull Meadows 1676 Comment
  UC1265404  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Abbot's Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1767 Comment
  UC166048  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-10-16 545 Siskiyou Oro Fino Creek Comment
  UC52256  Ranunculus aquatilis var. capillaceus W. T. Mooney May 1903 Siskiyou Yreka Comment
  RSA105416  Ranunculus aquatilis var. capillaceus Milo S. Baker 1955-6-29 52 Siskiyou 4.1 miles SE of Etna on the Eastside Road. In a Stagnant pool. 915 Comment
  UC827725  Ranunculus eschscholtzii var. suksdorfii John Thomas Howell 1937-7-25 13439 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC9495  Ranunculus gormanii Harley P. Chandler June, 1901 1552 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  POM178063  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1930-7-10 25294 Siskiyou Lake Tahoe. Comment
  HSC62283  Ranunculus populago Stansell 1968-8-12 Siskiyou Youngs Valley 1524 Comment
  POM100137  Ranunculus suksdorfii Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain. 1829 Comment
  RSA28827  Rhamnus californica subsp. occidentalis A. A. Heller 1916-7-22 12490 Siskiyou E side of Mt. Eddy Comment
  POM210877  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA697558  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CHSC30334  Rhododendron neoglandulosum M. S. Taylor 1980-7-1 3101 Siskiyou On nw side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  RSA659525  Rhododendron occidentale Gary D. Wallace 1990-7-1 2952 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  UC1174944  Rhus trilobata P. C. Everett and E. K. Balls 1959-10-24 23945 Siskiyou 7 mi sw from Red Bank F. S. Camp ( on road from Sawyers Bar to Somesbar) Comment
  CAS-BOT-BC92541  Ribes binominatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11769 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1706 Comment
  SFV10392  Ribes cereum M. L. Vincent 1967-6-29 720 Siskiyou On Mount Shasta. 2134 Comment
  RSA0024867  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 miles north of Weed, on US Highway 97. Comment
  CAS-BOT-BC168871  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  CAS-BOT-BC168872  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  HSC45028  Ribes lacustre Maralyn O'Meara 1974-5-25 403 Siskiyou Along road to Duck Lakes trail 1402 Comment
  LA205433  Ribes lacustre Louis C. Wheeler; 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek, off Hungry Creek 1280 Comment
  UC11567  Ribes lacustre Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  HSC19375  Ribes lobbii J. O. Sawyer 1968-9-28 738 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC24242  Ribes lobbii J. O. Sawyer 1968-6-18 213 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA47619  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11768 Siskiyou 6 miles from Etna on forks of Salmon Road 1677 Comment
  RSA0021627  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek. Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  UC1167540  Ribes marshallii C. R. Quick 1936-8-18 Siskiyou n Happy Camp (margins of Poker Flat near summit of mountains); Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC796518 Image available Ribes nevadense Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11802 Siskiyou s Callahan (on Scott Mountain Road at Mule Creek crossing) 1493 Comment
  RSA0022719  Ribes nevadense var. glaucescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11802 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  HSC29451  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Marble Mtn. Wilderness Area, next basin E of Salamander Pond, Abbotts Lake region 1768 Comment
  HSC65696  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6551 Siskiyou Scott Bar along the Scott River Comment
  HSC99608  Ribes roezlii var. cruentum G. L. Clifton, Griswold 1979-6-28 6130 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC186288  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  UC570965  Ribes sanguineum Dorothy Tebbe 1929-6-7 128 Siskiyou Mount Eddy Comment
  JEPS50702 Image available Ribes sanguineum Wayne Roderick 1963-6-12 Siskiyou ca. 15 road mi n Seiad Valley (n side of pass); Siskiyou Mtn. Range, Cook and Green Pass 1371 Comment
  CAS-BOT-BC168797  Ribes viscosissimum H. A. Thomas; J. H. Thomas 1954-7-24 4488 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  UC1222366 Image available Ribes viscosissimum Joseph P. Tracy 1951-6-16 19500 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  POM30110  Rigiopappus leptocladus Geo D. Butler 1910-5-16 1354 Siskiyou Near Yreka. Comment
  CDA16168  Robinia pseudoacacia G. F. Hrusa, T. D. Wilfred 1999-5-31 15067 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  JEPS109873  Rorippa columbiae Dean W. Taylor 2005-7-13 19395 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89); growing on USFS Road D that crosses the flat 0.2 road miles E of the Volcanic Scenic Byway 1402 Comment
  RSA237284  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-12 495 Siskiyou Just before first moraine enroute to Tobacco Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC91251  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2005-6-10 12079 Siskiyou 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
  CHSC75750  Rosa canina Vernon H. Oswald; Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. Roadside. 1508 Comment
  CAS-BOT-BC146744  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  RSA237781  Rosa gymnocarpa Frederick W. Oettinger 1969-7-29 1098 Siskiyou Along stream above Uncle's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  CAS-BOT-BC146796  Rosa gymnocarpa var. serpentina A. M. Vollmer; L. Beane 1951-6-2 54 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  SEINET10628435 Image available Rosa nutkana H. E. Brown 1897-6-11 Brown 349 Siskiyou Collected North side Mt. Shasta. 1524 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  SBBG27224  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Bear Crk off W fork Beaver Crk 1767 Comment
  JEPS44763  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River below Yreka; Shasta River below Yreka Comment
  CAS-BOT-BC363169  Rudbeckia californica L. E. Smith 1913-7-4 s.n. Siskiyou Railroad to Castle Lake Comment
  JEPS25872  Rudbeckia klamathensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7445 Siskiyou just above Indian Creek Ranger Station (along Happy Camp-Takilma road) 609 Comment
  CAS-BOT-BC422224  Rumex acetosella Doris K. Kildale 1928-7-4 5497 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC433695  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  CDA2884  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  POM167592  Salix boothii H. P. Chandler 1901-06 1547 Siskiyou Near Marble Mtn. 1829 Comment
  CAS-BOT-BC103541  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  CAS-BOT-BC103542  Salix commutata Gilbert J. Muth 1969-8-11 1356 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2377 Comment
  RSA597970  Salix delnortensis Louis C. Wheeler 1963-8-30 8310 Siskiyou Siskiyou Mountains. Second streamlet on east side of Clear Creek below Trout Camp; seen also at first stream on east side. 945 Comment
  RSA183704  Salix eastwoodiae Gilbert Muth 1965-8-5 172 Siskiyou Along trail behind Black Mtn. Marble Mtns. Comment
  CAS-BOT-BC107781  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC107782  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15157 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  HSC76988  Salix jepsonii K. T. Stillman 1976-6-25 77 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  UC576372  Salix jepsonii Mrs. H. P. Bracelin 1937-7-24 872 Siskiyou Webber's Camp Upper Caribou Lake; Trinity Alps 2042 Comment
  UCSB10875  Salix lasiandra Bracelin, H. 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  UC482253  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125474  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-24 s.n. Siskiyou South Fork Salmon, below Smiths Comment
  UC375238  Salix lasiolepis Geo. D. Butler 1908-7-19 153 Siskiyou head of gulch near Yreka; Long Gulch Comment
  UC576384  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 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
  POM220466  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-22 476 Siskiyou Pit River at Gibson flag station. 125 km N of Red Bluff. 450 Comment
  RSA30427  Salix lucida subsp. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf Ranch. NE base of Mt Eddy. 1372 Comment
  CAS-BOT-BC129030  Salix scouleriana A. A. Heller 1915-7-18 12130 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1188 Comment
  CAS-BOT-BC129035  Salix scouleriana Geo. B. Grant 1902-9-11 5168 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC129036  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, east of Metcalf ranch house, about 10 km. northwest of Shasta City 1080 Comment
  CAS-BOT-BC129039  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC68376  Salix scouleriana Maralyn A. Renner 1980-6-26 1212 Siskiyou N edge of Flint Valley 1390 Comment
  POM219899  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  RSA238268  Salix scouleriana Frederick W. Oettinger 1969-8-24 1524 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1784 Comment
  UC375230  Salix scouleriana Geo. D. Butler 1910-5-30 1439 Siskiyou Humbug Mt. 1219 Comment
  UC481725  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base of Mt. Eddy); Mt. Eddy 1110 Comment
  SBBG30559  Salvia dorrii var. dorrii D. Myrick 1968-6-22 1986 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC220810  Salvia dorrii var. incana A. A. Heller 1922-6-22 13667 Siskiyou Along the Pacific highway on the Klamath River Comment
  JEPS83882  Sambucus mexicana Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass Siskiyou Mts. (along trail to Lily Pond Lake) 1706 Comment
  CAS-BOT-BC236477  Sambucus racemosa subsp. racemosa Annie M. Alexander; Louise Kellogg 1948-9-9 5611 Siskiyou Near edge of Taylor Lake, Siskiyou Mountains 1828 Comment
  UC922574  Sambucus racemosa var. microbotrys Annie M. Alexander and Louise Kellogg 1948-9-9 5611 Siskiyou Taylor Lake Siskiyou Mountains (near edge) 1828 Comment
  HSC61953  Sanicula graveolens Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SEINET3240202  Santalaceae R. L. Mathiasen 2003-1 2003 -50 Siskiyou 0.7 km S of Eaton Lake, Russian Peak Wilderness 1900 Comment
  HSC24696  Sarcodes sanguinea J. O. Sawyer 1969-6-12 884 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  POM354591  Saxifraga ferruginea M. B. Dunkle 1945-7-24 9254 Siskiyou Klamath National Forest. Marble Mtns. Comment
  RSA238317  Saxifraga ferruginea Frederick W. Oettinger 1968-9-2 659 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  CAS-BOT-BC482444  Saxifraga mertensiana Dana York 2011-8-13 3052 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  JEPS47487  Saxifraga nidifica var. nidifica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta River hills Shasta River 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
  JEPS47635  Saxifraga oregana Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  JEPS13971  Saxifragopsis fragarioides C. G. Pringle 1882-9-5 Siskiyou cliffs overhanging Castle Lake Comment
  CAS-BOT-BC445869  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  CDA32669  Schedonnardus paniculatus Don Shaw 1980-8-5 Siskiyou Don Shaw Property, Ager Road, Montague 0 Comment
  JEPS84061  Scirpus congdonii L. R. Heckard with J. C. Hickman 1986-7-16 6447 Siskiyou ca. 5 mi. n. Seiad Valley town (s.e. of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south 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
  SEINET3160653  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  POM15709  Scrophularia californica Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  JEPS11421  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou near Yreka (McNulty's Field); McNulty's Field Comment
  CHSC63403  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1994-7-11 6406 Siskiyou Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. 1447 Comment
  UC195216  Scutellaria antirrhinoides Annie M. Alexander and Louise Kellogg 1911-6-13 119 Siskiyou 6 mi nw of Callahan Comment
  UC144530  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Igerna Comment
  CAS-BOT-BC240101  Secale cereale R. E. Frenkel 1963-7-15 241 Siskiyou To west of Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing near Mount Shasta 1290 Comment
  CAS-BOT-BC64640  Sedum kiersteadiae John Thomas Howell 1937-7-29 13665 Siskiyou Scott Mt. between Trinity and Siskiyou Counties. Comment
  CAS-BOT-BC64650  Sedum kiersteadiae John Thomas Howell 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. Comment
  CAS-BOT-BC61451  Sedum lanceolatum Miss D. Tebbe 1929-6-7 130 Siskiyou Crater Lake, Mount Eddy Comment
  JEPS98769  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-18 15702 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC61474  Sedum laxum subsp. heckneri Doris K. Kildale 1928-7-2 5362 Siskiyou Salmon summit near Horn Creek trail 1981 Comment
  CAS-BOT-BC61467  Sedum laxum subsp. laxum Gilbert Muth 1969-8-6 s.n. Siskiyou Boulder Peak Ridge 2468 Comment
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Oct 29 2020
  RSA0104951  Sedum laxum subsp. laxum John F. Emmel 1974-7-16 512 Siskiyou 0.3 air miles WSW of Cyclone Gap; Siskiyou Mts. 1616 Comment
  CLARK-A1528-5663  Sedum obtusatum John C. Roos 1948-9-1 4025 Siskiyou Etna Comment
  JEPS48011  Sedum obtusatum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House Mountain 914 Comment
  UCSB22048  Sedum obtusatum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  HSC12  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-6-22 113 Siskiyou Josephine Lake Basin 1677 Comment
  HSC19546  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1850 Siskiyou S of Sugar Lake 2134 Comment
  RSA297042  Sedum oregonense John F. Emmel 1974-7-19 514 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  RSA603161  Sedum oregonense L. C. Wheeler 1934-7-3 2847 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
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Oct 12 2020
  HSC69297  Sedum stenopetalum Maralyn A. Renner 1980-7-23 1816 Siskiyou Klamath National Forest, ridge 1/2 mi. E of Cook and Green Pass 1555 Comment
  RSA0035471  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  CAS-BOT-BC363423  Senecio aronicoides Alice Eastwood 1912-7-15 1102 Siskiyou McCloud Comment
  CAS-BOT-BC363419  Senecio aronicoides Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  RSA14499  Senecio canus Elmer I. Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CHSC88130  Senecio hydrophilus Jenny Marr 1993-7-1 141 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC363745  Senecio hydrophilus T. C. Fuller 1958-9-12 s.n. Siskiyou 5 mi. s. of Yreka Comment
  UCD135530  Senecio hydrophilus Thomas C. Horn 1956-8-6 s.n. Siskiyou west side of Lower Klamath Lake. Comment
  HSC45485  Senecio integerrimus Maralyn O'Meara 1974-5-25 426 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC363944  Senecio integerrimus var. exaltatus Volney Rattan June 16 s.n. Siskiyou Siskiyou Mts. Comment
  HSC4  Senecio integerrimus var. major William J. Ferlatte 1966-6-23 129 Siskiyou Yellow Rose Mine 1982 Comment
  CHSC118023  Senecio scorzonella K. M. Meyer; A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd.17, off US Hwy. 97. 1607 Comment
  HSC68411  Senecio triangularis Maralyn A. Renner 1980-7-4 1410 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC91681  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  HSC69336  Senecio triangularis John Palmer 1980-8-13 780 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA237444  Senecio triangularis Frederick W. Oettinger 1968-8-1 342 Siskiyou Wet meadow south of Hancock Lake. The Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2043 Comment
  SEINET3876323 Image available Sequoia sempervirens Alv Dan Youngberg 1964-7-25 89 Siskiyou Found growing at the Happy Camp Ranger Station, Humbolt Meridian.; 0 Comment
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Feb 21 2015
  RSA233678  Sibbaldia procumbens Robert F. Thorne, F. Oettinger 1969-8-10 38965 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC213139  Sidalcea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS22217  Sidalcea asprella subsp. nana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6827 Siskiyou just below and n of road summit of Scott Mountain Road between Callahan and Trinity Center ([at Trinity County line]); Scott Mountain Road btw Callahan and Trinity Center 1615 Comment
  RSA105512  Sidalcea hartwegii Douglas Barbe 1955-7-26 271 Siskiyou Along a dry ditch on the northwest slope of Scott Mt 1829 Comment
  CAS-BOT-BC205783  Sidalcea oregana John Thomas Howell 1939-8-7 15122 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SBBG4716  Sidalcea oregana H. and M. Dearing 1939-6-30 3757 Siskiyou Callahan-Trinity Alps Rd 1219 Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  CHSC1055  Sidalcea oregana subsp. oregana K. Jaekel 1939-7-4 Siskiyou Black Butte meadows, near Mt. Shasta. 1158 Comment
  UC60961  Sidalcea oregana subsp. spicata Geo. B. Grant September 1902 5216 b Siskiyou Mount Shasta Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  RSA448234  Sidalcea oregana subsp. spicata L. S. Rose 1937-7-26 37608 Siskiyou McCloud 1006 Comment
  UC166111  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  CHSC34833  Silene grayi M. S. Taylor 1980-8-19 3268 Siskiyou Paint Pot Crater. 1920 Comment
  CAS-BOT-BC388968  Silene grayi G. J. Muth 1969-8-8 1297 Siskiyou Boulder Peak Ridge, Top 2286 Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA237807  Silene grayi Frederick W. Oettinger 1968-8-16 549 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. Comment
  UC1282008  Silene invisa Louise Kellogg Aug 5 1953-Aug 7 1953 104 Siskiyou 1 mi n Cory Peak (Cabin Meadow, 11 mi e of Callahan on road to Gazelle then s 5.8 mi on logging road, Klamath National Forest, Scott Mountains); Klamath National Forest, Scott Mts., n of Cory Peak 1844 Comment
  HSC69086  Sisyrinchium bellum Maralyn A. Renner 1980-8-4 2212 Siskiyou Flint Valley 1390 Comment
  CDA39480  Sisyrinchium douglasii F. D. Horn & D. H. Shaw 1978-3-1 s.n. Siskiyou Shasta River Canyon near Yreka. 0 Comment
  UC637146  Smilacina racemosa Edward Lee 1934-8-13 1070 Siskiyou Happy Camp to Waldo (oregon) road Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC28652  Solanum parishii Frederick W. Oettinger 1969-8-12 1347 Siskiyou Marble Mtn. Wilderness Area, along trail above Willow Springs 1677 Comment
  HSC30794  Solanum parishii Arthur R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S of Cook and Green Pass Comment
  CAS-BOT-BC157046  Solanum umbelliferum E. D. Cantelow 1936-5-20 1440 Siskiyou S.W. slope of Salmon Mt. nr. summit 1817 Comment
  RSA496333  Solanum umbelliferum Elaine Joyal, D. Mehlman 1988-6-25 1272 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  RSA12584  Solidago californica C. B. Wolf 1934-7-6 6002 Siskiyou 4.7 miles from Mt. Shasta City on road to Wagon Camp. Southwest slope of Mt. Shasta. 1220 Comment
  JEPS121624  Solidago multiradiata Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  POM39718  Solidago velutina subsp. californica Geo D. Butler 1910-7-30 1800 Siskiyou Yreka Creek. Comment
  RSA170318  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou S side of Dorris Tulelake Road where the roadbed forms the N shore of lower Klamath Lake, lower Klamath Lake Wildlife Refuge, 12 miles W of Hatfield. Comment
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Jul 7 2011
  CAS-BOT-BC157324  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  UC466718  Sorbus scopulina H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  SEINET11919140  Sorbus scopulina J. P. Tracy 19478 Siskiyou in openings in woods,summit of the Siskiyous at crossing of the Takilma-Happy Camp Road 244 Comment
  JEPS96999  Sorbus scopulina var. cascadensis Dean W. Taylor 1999-8-12 17299 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  RSA593946  Spiraea densiflora Louis C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  LA208261  Spiraea douglasii Louis C. Wheeler; 1934-8-16 3176 Siskiyou Siskiyou Mountains, 2.0 mi. SE White Mt 1737 Comment
  POM140065  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek. 1220 Comment
  UC466728  Spiraea douglasii H. W. Furlong Sep 1901 Siskiyou Summit to Ager (No. California and So. Oregon) Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  CAS-BOT-BC421467  Spiraea splendens W. R. Dudley 1903-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  POM168196  Spiranthes romanzoffiana E. B. Copeland 1903-8-17 3927 Siskiyou Dietz Spur. 1159 Comment
  JEPS83876  Stachys palustris subsp. pilosa Wayne Roderick July 1976 Siskiyou along trail to Lily Pad Lake (vicinity Cook and Green Pass); Siskiyou Mts. 1706 Comment
  HSC58880  Stachys rigida var. rigida Marvin Butler 1971-8-11 306 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Junction 1 Comment
  CAS-BOT-BC175332  Stellaria borealis subsp. sitchana Wm. Bridge Cooke 1939-7-7 13623 Siskiyou At Wagon Camp Comment
  CAS-BOT-BC175331  Stellaria borealis subsp. sitchana Wm. Bridge Cooke 1938-7-29 11426 Siskiyou Wagon Camp Comment
  UC1045307  Stellaria calycantha unknown 1940-8-22 15457 Siskiyou Mud Creek Canyon Mount Shasta (especially near Clear Creek) Comment
  RSA237782  Stellaria crispa Frederick W. Oettinger 1968-9-5 723 Siskiyou Campsite near stream, Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC165935  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou near Yreka Comment
  SEINET3155908  Stellaria nitens G. D. Butler 1909-3-16 581 Siskiyou Butlers Ranch Comment
  CAS-BOT-BC516470  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou North side White Mt., Siskiyou Mts. 1828 Comment
  RSA577802  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  CAS-BOT-BC375099  Stephanomeria Alice Eastwood 1912-7-20 1255 Siskiyou Hornbrook Comment
  RSA237470  Stephanomeria lactucina Frederick W. Oettinger 1968-8-11 473 Siskiyou Braken Meadow, 0.1 mile from Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC166153  Stephanomeria paniculata Geo. D. Butler 1908-8-1 324 Siskiyou near Forest House Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  JEPS19691  Streptanthus barbatus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5966 Siskiyou at river's source in the region just s Mount Eddy (along very poor mt road to Gumboot Lake); Canyon of the South Fork of the Sacramento River 1371 Comment
  JEPS95631  Streptanthus barbatus Vernon H. Oswald and L. Ahart 1994-8-1 6438 Siskiyou T40N R6W SE1/4 SW1/4 Sec. 11, 6600 ft, Red Fir Forest. Forest Rd. 17 at the upper trailhead to Deadfall Lakes, ca. 2.5 mi (air) WNW of Mt. Eddy 2011 Comment
  CAS-BOT-BC87864  Streptanthus tortuosus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  HSC76965  Streptanthus tortuosus K. T. Stillman 1976-9-10 505 Siskiyou Marble Mtn. Wilderness Area, trail from Marble Gap to Elk Valley 2104 Comment
  LA51446  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou on side of Sanger Peak 1645 Comment
  CAS-BOT-BC87877  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek. Comment
  HSC60662  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-5 8707 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC44364  Streptopus amplexifolius Maralyn O'Meara 1973-6-24 231 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  CAS-BOT-BC516441  Streptopus amplexifolius W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mts. Comment
  OBI9067  Styrax redivivus H. E. McMinn 1931-6-26 2493 Siskiyou Pit River Bridge and hwy Comment
  HSC67589  Swertia albicaulis var. nitida J. P. Smith, J. O. Sawyer 1972-6-30 5638 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  UC576572  Swertia albicaulis var. nitida L. Constance 1928-6-10 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC269620  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 762 Comment
  CAS-BOT-BC269626  Symphoricarpos albus var. laevigatus John Thomas Howell 1937-7-21 13188 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS22081  Symphyotrichum bracteolatum Willis L. Jepson 1894-7-24 Siskiyou Shasta Springs Upper Sacramento Comment
  CAS-BOT-BC99034  Symphyotrichum cusickii Doris K. Kildale 1928-8-20 6619 a Siskiyou Hancock Lookout, on trail to Marble Mt. Comment
  UC201308  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  UC933469  Symphyotrichum hendersonii Annie M. Alexander 1948-9-9 5617 Siskiyou meadow at start of 2 mile trail to Taylor Lake from Cook & White Mine Taylor Lake; Siskyou Mountains 1584 Comment
  CDA17129  Taeniatherum caput-medusae G. F. Hrusa 2001-6-5 15843 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  HSC29413  Tauschia howellii Frederick W. Oettinger 1968-8-4 394 Siskiyou Salmon Mountains: ridge top and SE slope at gap where English Peak-Hancock Lake trail crosses the Crapo Peak ridge. 2195 Comment
  POM210933  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Siskiyou Mountains, west end of White Mountain 1768 Comment
  SEINET10872329  Taxus brevifolia H. E. Brown 1897-6-1 Brown 323 Siskiyou Collected near Sisson, Siskiyou County. 1084 Comment
  CAS-BOT-BC447417  Tellima grandiflora Annie M. Alexander; Louise Kellogg 1920-5-1 s.n. Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  JEPS1219  Tellima grandiflora Freed Hoffman 1951-7-11 4035 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, w Siskiyou County); Marble Mountains 1524 Comment
  RSA237686  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 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
  RSA261440  Thalictrum polycarpum J. M. Tucker 1963-7-7 3728 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  JEPS54069  Thelypodium brachycarpum W. L. Kleaver 1915-5-31 Siskiyou Yreka Comment
  RSA577336  Thelypteris nevadensis L. C. Wheeler 1934-8-21 3191 Siskiyou Siskiyou Mountains, East Fork Horse Creek 1220 Comment
  SBBG109240  Thlaspi montanum var. montanum C. B. Hardham 1961-7-1 7996 Siskiyou White Mtn Comment
  CAS-BOT-BC66796  Thysanocarpus curvipes Alice Eastwood 1923-5-29 11990 Siskiyou Shasta Springs. Comment
  HSC36779  Thysanocarpus curvipes J. P. Smith 1974-5-25 7403 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC6996  Thysanocarpus curvipes L. C. Wheeler 1935-5-11 3477 Siskiyou Klamath River at Ash Creek, near river 610 Comment
  RSA0041643  Thysanocarpus radians K. L. Chambers, C. G. Carlbom 1962-4-21 2103 Siskiyou Hwy. 99, 5.6 mi. S of the center of Yreka. Comment
  HSC64858  Tiarella trifoliata var. unifoliata J. P. Smith, Steve Selva 1970-7-15 4342 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UCR101152  Tiarella trifoliata var. unifoliata L. C. Wheeler 1959-7-25 7602 Siskiyou Marble Mtns, Camp Three, Rogers Creek Comment
  UCD33538  Tilia platyphyllos Beecher Crampton 1969-6-19 8471 Siskiyou Siskiyou County, Edgewood, 3 miles N.W. (in direct line) of Weed. Comment
  UC1045294  Tofieldia occidentalis subsp. occidentalis W. Bridge Cooke 1940-7-5 15278 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  RSA760959  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CAS-BOT-BC447625  Tolmiea menziesii Ira L. Wiggins 1955-7-23 13475 Siskiyou Banks of China Creek 1097 Comment
  CAS-BOT-BC447626  Tolmiea menziesii Ira L. Wiggins 1955-7-24 13501 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  JEPS9889  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  HSC6293  Tragopogon dubius R. C. Wunner 1965-7-9 359 Siskiyou California Lava Beds National Monument; Crescent Butte. 0.1 mi. on road to Mammoth Crater from junction of road headquarters 1448 Comment
  SEINET5723543 Image available Triantha occidentalis subsp. occidentalis Lowell E. Urbatsch, Vensa Karaman 2000-1 7694 Siskiyou Collected along Road 17, 8.8 mi. SW from the intersection of I-5 & Stewart Spring Rd.; Scott Mountains 1586 Comment
  CAS-BOT-BC519565  Triantha occidentalis subsp. occidentalis W. R. Dudley 1907-8-18 s.n. Siskiyou Near Jackson lake Comment
  CAS-BOT-BC519566  Triantha occidentalis subsp. occidentalis Annie M. Alexander; Louise Kellogg 1949-7-29 5894 Siskiyou Sky High Valley, Marble Mts.: Edge Hidden Lake, above Sky High Lake 1859 Comment
  CAS-BOT-BC519569  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  UCSC000422  Trifolium cyathiferum I. J. Condit 2011-7-7 s.n. Siskiyou Shasta Retreat Comment
  JEPS48899  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1909-6-22 918 Siskiyou Goosenest Mtn Comment
  UCD78179  Trifolium glomeratum Robert E. Preston 2008-5-13 2631 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River. 229 Comment
  RSA237884  Trifolium howellii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1237 Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  RSA237887  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  CAS-BOT-BC219037  Trifolium howellii 1926-9-15 1 Siskiyou South Fork of Indian Creek 1676 Comment
  UC1607584  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou ca 4 air mi due w Mt. Shasta City (at end of FR 41N53 ca 1 mi n of Morgan Meadows); east side of Mt. Eddy; w center Comment
  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  JEPS87958  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca. 1-2 mi from Parks Creek trailhead(=crest of Rte 17). 2286 Comment
  UC630757  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy Comment
  UC52259  Trifolium macrocephalum W. T. Mooney May 1903 Siskiyou Yreka Comment
  UC163859  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou near Yreka Comment
  JEPS109396  Trifolium pratense Dean W. Taylor 2004-7-19 19190 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  RSA634246  Trifolium willdenovii Barbara L. Wilson 1996-6-1 8118 Siskiyou Klamath National Forest; Idlewild Campground on the Salmon River at thr intersection of Forest Service roads 41N37 and 1C01. Comment
  JEPS66093  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  RSA582467  Trifolium wormskioldii Louis C. Wheeler 1935-6-27 3620 Siskiyou Greenview, Scott Valley. 884 Comment
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Aug 1 2014
  CHSC91177  Triglochin concinna var. debilis Lowell Ahart; John Dittes 2005-6-9 11999 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-BC133468  Trillium ovatum John Thomas Howell 1939-8-3 15020 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1483575  Trillium ovatum Maralyn A. Renner 1980-6-26 1180 Siskiyou n. edge Flint Valley; Klamath Nat'l Forest, Dillon Mt. Quad, Flint Valley 1389 Comment
  HSC96418  Trillium ovatum subsp. oettingeri Gordon Leppig, J. Kalt 1996-7-9 381 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA234825  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 953 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1258118  Trillium ovatum subsp. oettingeri Eric F. Heinitz 1980-6-9 11 Siskiyou just w. of meadow ca. 1/2 mi. w. of Slagger Camp Station 1463 Comment
  JEPS80516  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 2011 Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC200270  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt Shasta 2316 Comment
  CHSC70214  Trisetum spicatum Jennifer Whipple 1977-7-22 2046 Siskiyou Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2286 Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC53708  Trisetum spicatum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  CAS-BOT-BC133493  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  UC165733  Triteleia hyacinthina Geo. D. Butler 1910-5-27 1415 Siskiyou wet meadow Shasta Valley Comment
  POM109809  Triteleia hyacinthina Geo D. Butler 1910-5-27 1415 Siskiyou Shasta Valley Comment
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  CAS-BOT-BC524315  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  CAS-BOT-BC524316  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  CAS-BOT-BC524319  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou Openings in the forest, Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC404214  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  CAS-BOT-BC199194  Vaccinium cespitosum Wm. Bridge Cooke 1938-7-21 11302 Siskiyou Panther Creek Comment
  CHSC69747  Vaccinium cespitosum Loren Gehrung 1996-9-19 107 Siskiyou Scott Camp Ck, near Methodist Church Camp. 1 airmile NW of Castle Lake. Plants between creek and USFS Rd 39N46. 1505 Comment
  HSC18970  Vaccinium cespitosum J. O. Sawyer 1969-7-8 1098 Siskiyou SE facing slope W of Little Duck Lake 2268 Comment
  LA44627  Vaccinium cespitosum H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  CAS-BOT-BC228834  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1933 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  HSC98191  Vaccinium scoparium J. O. Sawyer 1969-8-5 1786 Siskiyou Along Sugar Creek. 1921 Comment
  POM67761  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek. 1220 Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  UCD95093  Vancouveria hexandra AHM 1955-7-29 55 J Siskiyou Klamath National Forest. Clear Lake. 1798 Comment
  HSC73295  Vancouveria planipetala M. A. Baker 1980-6-20 2188 Siskiyou Near Bald Mtn. 1036 Comment
  UC1037370  Verbascum blattaria Douglas Barbe 1955-7-7 143 Siskiyou e side of Forest Camp Etna; Klamath Mountains 883 Comment
  UCD124681  Verbascum blattaria Daryl Koutnik; Martha Townsend 1979-9-10 590 Siskiyou Five miles SW of Yreka, on Fort Jones Road. 914 Comment
  SEINET9225188  Verbena lasiostachys G. D. Butler 1910-7-2 1621 Siskiyou Yreka. Comment
  HSC70531  Veronica americana J. P. Smith, Steve Selva 1970-6-15 3908 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS16831  Veronica americana Geo. D. Butler 1908-6-28 450 Siskiyou Oro Fino, at L. Eastlick's Ranch Oro Fino Comment
  JEPS66437  Veronica anagallis-aquatica L. R. Heckard and P. Rubtzoff 1971-8-2 2699 Siskiyou 2.2 mi w of Macdoel (along Meese Lake-Sams Nech Road) 1280 Comment
  JEPS66525  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2781 Siskiyou about 5 mi n of Yreka (on old U.S. Hwy 99, under and e of bridge across Shasta River); Shasta River 731 Comment
  HSC49933  Veronica copelandii Gilbert Muth 1978-8-2 7064 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 2048 Comment
  UCD78078  Veronica serpyllifolia subsp. humifusa Robert E. Preston 2001-6-23 1553 Siskiyou Klamath National Forest, n slope of Rainbow Mountain. 1767 Comment
  HSC33974  Veronica wormskjoldii J. P. Smith 1974-5-25 7467 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UCD124888  Veronica wormskjoldii R. Tofsrud; J. M. Tucker 1948-8-2 1769 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  OBI2050  Vicia americana J. M. Applegarth 1969-6-22 s.n. Siskiyou At Cow Crk, near Grouse Crk jctn, near Oregon border 914 Comment
  HSC68503  Vicia americana var. americana Maralyn A. Renner 1980-6-7 787 Siskiyou N of Greenhorn Rd. 1098 Comment
  UC164016  Vicia americana var. americana Geo. D. Butler 1909-4-24 604 Siskiyou Greenhorn road Comment
  UC375421  Vicia americana var. americana Geo. D. Butler 1908-6-22 1099 Siskiyou near Yreka Comment
  CAS-BOT-BC270240  Viola adunca Bettell Ellsworth 1923-5-21 s.n. Siskiyou Shasta Springs Comment
  POM84073  Viola adunca Geo. D. Butler 1910-6-5 1521 Siskiyou Log Lake, Shackleford Creek. Comment
  RSA211293  Viola adunca William J. Ferlatte 1966-6-22 98 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  UC140877  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson; Pacific Coast Comment
  JEPS124819 Image available Viola adunca B. Corwin 1964-7-1 129 Siskiyou 12.2 miles south on rte. 89 from Fowler Public Camp turnoff. Comment
  JEPS50287  Viola douglasii Geo. D. Butler 1909-4-25 607 Siskiyou Quartz Valley Comment
  CHSC2016  Viola glabella M. yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC18942  Viola glabella J. O. Sawyer 1968-6-25 322 Siskiyou Along Horse Range Creek 1829 Comment