Search Results — 2000 specimen records retrieved (1327 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC27978  Abies amabilis Gary S. Lester 1973-7-17 52 Siskiyou Diamond Lake, Marble Mtn. Wilderness Area 1951 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
  UCR95628  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  HSC39922  Abies lasiocarpa J. O. Sawyer 1971-7-16 2431 Siskiyou Slopes NE of Deep Lake, Bulk Collection 115 2165 Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  JEPS88680  Abies lasiocarpa var. lasiocarpa Donald V. Hemphill 1971-8-16 Siskiyou Deep Lake-Second Valley Trail Klamath National Forest, Scott Bar. Quad. 2194 Comment
  HSC69431  Abies magnifica Maralyn A. Renner 1980-7-16 1783 Siskiyou Hancock Lake inlet 1951 Comment
  JEPS42680  Acer glabrum Geo. D. Butler 1909-7-2 908 Siskiyou Highland Mine Comment
  CAS-BOT-BC331021  Acer glabrum var. glabrum Gilbert Muth 1965-8-3 s.n. Siskiyou On trail to 4-corners, Marble Mts. Comment
  CAS-BOT-BC331023  Acer glabrum var. glabrum John Thomas Howell 1937-7-26 13554 Siskiyou Caribou Gulch Comment
  HSC22292  Acer glabrum var. torreyi J. O. Sawyer 1969-6-10 794 Siskiyou Lower SE slope above Sugar Creek, near Sugar Lake. 1799 Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  UCSB12088  Acer macrophyllum Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC336931  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53406 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC336933  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53405 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC61076  Achillea millefolium W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson; Mount Shasta Comment
  HSC44593  Achillea millefolium Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  RSA183724  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou On top of Marble Mt. Lookout, Marble Mts. Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  SD113039  Achillea millefolium Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of #97. 185 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  HSC4994  Achlys triphylla J. O. Sawyer 1968-9-28 742 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC29268  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Marble Mtn. Wilderness Area, near gap between Tom's Lake Basin and Tobacco Lake Basin 1829 Comment
  UCD50508  Achnatherum lemmonii Beecher Crampton 1969-6-18 8463 Siskiyou Oro Fino. (ca. 4 miles w.s.w. Fort Jones in direct line.) Comment
  CAS-BOT-BC216922  Achnatherum occidentale John Thomas Howell 1937-7-21 13166 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC216929  Achnatherum occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2072 Comment
  SEINET7593408 Image available Achnatherum occidentale Frederick W. Oettinger 1969-1 1352 Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - southeast ridge of English Peak 2134 Comment
  RSA238979  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 -a Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  POM216195  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  UCD103804  Acmispon americanus var. americanus A. A. Heller 1916-6-23 12430 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UCD104269  Acmispon nevadensis var. nevadensis R. Tofsrud; J. M. Tucker 1948-8-2 1756 Siskiyou Outskirts of McCloud. Comment
  CAS-BOT-BC391532  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  CAS-BOT-BC391539  Aconitum columbianum subsp. columbianum H. A. Thomas; J. H. Thomas 1954-7-25 4521 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC82224  Aconitum columbianum subsp. columbianum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4517 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 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-BC418813  Aconogonon phytolaccifolium Annie M. Alexander; Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC418818  Aconogonon phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  HSC61826  Aconogonon phytolaccifolium Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  JEPS33919  Adenocaulon bicolor George D. Butler 1908-7-20 339 Siskiyou Humbug Creek Comment
  JEPS74502  Adenocaulon bicolor W. J. Ferlatte 1966-8-18 405 Siskiyou 3 mi s, in wooded area Big Flat; Trinity Alps 1584 Comment
  POM56894  Adenocaulon bicolor E. B. Copeland 1903-9-5 3925 Siskiyou Foot of Mt. Eddy 1189 Comment
  RSA264984  Adenocaulon bicolor Gilbert Muth 1975-8-1 s.n. Siskiyou Near Sutcliffe Creek, near Happy Camp 1341 Comment
  SEINET11261967  Adenocaulon bicolor Alv Dan Youngberg 1964-7-19 96 Siskiyou Along west branch of Indian Creek.; 0 Comment
  RSA211518  Adenocaulon bicolor William J. Ferlatte 1966-8-18 405 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC69000  Adiantum aleuticum Gordon H. True; John Thomas Howell 1972-6-8 48860 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  RSA237840  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA577174  Adiantum aleuticum L. C. Wheeler 1934-8-23 3209 Siskiyou Jaynes Canyon, Siskiyou Mountains 915 Comment
  UCD51463  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along road just east of Montague. Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  HSC29314  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou Marble Mtn. Wilderness Area, NNW of English Lake outlet 1806 Comment
  CAS-BOT-BC29517  Agoseris William A. Dayton Jr. 1912-7-28 160 Siskiyou Shasta Forest, Ash Creek Sink Range 1188 Comment
  CAS-BOT-BC15478  Agoseris X dasycarpa Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  CAS-BOT-BC15484  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10880 Siskiyou Medicine Lake Comment
  HSC4755  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou N side of Caribou Mtn. 1921 Comment
  UCD77307  Agoseris aurantiaca var. aurantiaca Robert E. Preston 2002-7-12 1906 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1712 Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CDA9942  Agoseris heterophylla F. D. Horn 1979-4-29 Siskiyou Horn Ranch, Etna. 0 Comment
  UC163889  Agoseris heterophylla var. heterophylla Geo. D. Butler 1910-6-4 1495 Siskiyou Shackleford Creek Comment
  UC204765  Agrostis alba Geo. D. Butler 1910-7-17 1727 Siskiyou creek bank Oro Fino Comment
  UC161517  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  UC815001  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UCD35447  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Lower south slopes of Mt. Shasta, Wagon Camp Road. 1645 Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  CAS-BOT-BC139574  Agrostis gigantea Wm. Bridge Cooke 1938-9-17 11693 Siskiyou Mount Shasta. Horse Camp. 2438 Comment
  JEPS84195  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC30512  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou Marble Mtn. Wilderness Area, on margins of open areas, inlet to Upper English Lake 1753 Comment
  SEINET7594102 Image available Agrostis pallens F. W. Oettinger 1969-1 1390 b Siskiyou near Upper English Lake, Salmon Mountains 1768 Comment
  RSA126057  Agrostis scabra I. L. Wiggins 1955-7-22 13448 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  HSC30598  Agrostis thurberiana Frederick W. Oettinger 1968-9-5 713 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin, Base Camp meadow. 1936 Comment
  HSC91975  Agrostis thurberiana Jennifer Whipple 1976-7-2 1260 Siskiyou SW of Dobkins Lake, along drainage into lake. 2134 Comment
  HSC103905  Agrostis variabilis Dana York, Richard Helliwell 2010-9-11 3013 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  UCD53689  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  HSC66101  Alisma triviale J. P. Smith, Steve Selva 1970-8-8 4546 Siskiyou Juanita Lake Comment
  CAS-BOT-BC462378  Allium amplectens Roxana Ferris; Laura Lorraine 1948-6-12 11720 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  SEINET8112105  Allium amplectens G. D. Butler 1910-5-17 1358 Siskiyou Yreka. Comment
  SBBG14883  Allium bolanderi A. I. Richardson 1961-6-8 14 Siskiyou near Cedar Lake, N of Mt Shasta 853 Comment
  UCD77310  Allium campanulatum Robert E. Preston 2002-6-20 1835 Siskiyou Klamath National Forest, Rainbow Mountain, 1911 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  CHSC2064  Allium falcifolium E. G. England 1939-6-30 Siskiyou Mt. Eddy. 2286 Comment
  SEINET12048266  Allium falcifolium M. Ownbey, Brown, D. H. 1941-1 2427 Siskiyou SW of McKinley Mountain, W of Yreka Comment
  CAS-BOT-BC132144  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CHSC31011  Allium siskiyouense M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge, ca. 5 mi due e of Lake McCloud. 1889 Comment
  UC164281  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou hill near Yreka Comment
  HSC30918  Allium siskiyouense Melinda F. Denton 1973-6-27 2797 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  POM109964  Allium siskiyouense Geo D. Butler 1909-5-3 791 Siskiyou Yreka hills Comment
  HSC61854  Allium validum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS61509  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake; Shackleford Creek 1371 Comment
  CAS-BOT-BC478030  Allium validum Doris K. Kildale 1928-8-19 6545 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  RSA211509  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  CAS-BOT-BC453444  Allotropa virgata Harley P. Chandler 1901-6-1 1546 Siskiyou Near Marble Mountain, North Coast Ranges 1828 Comment
  RSA240085  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Between Chimney Rock and Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1418 Comment
  CAS-BOT-BC171418  Alnus incana subsp. tenuifolia H. A. Thomas; J. H. Thomas 1954-7-24 4505 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC4964  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 343 Siskiyou Along Horse Range Creek 1646 Comment
  RSA183479  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  UC484055  Alnus incana subsp. tenuifolia Carl B. Wolf 1930-10-22 1752 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  JEPS109399  Alnus rhombifolia Dean W. Taylor 2004-7-19 19190 B Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  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
  HSC26522  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CHSC38086  Alyssum alyssoides R. E. Preston; L. E. Preston 1983-6-9 391 Siskiyou Grass Lake Rest Area. 1542 Comment
  CHSC71566  Alyssum alyssoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9403 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  JEPS94898  Alyssum alyssoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9178 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  UC375334  Alyssum alyssoides Geo. D. Butler 1910-5-7 1304 Siskiyou Yreka Comment
  RSA48581  Alyssum alyssoides P. A. Munz 1949-5-18 13307 Siskiyou 14 miles SW of Gazelle on Callahan road. 1463 Comment
  OBI55534  Ambrosia artemisiifolia David J. Keil, Kathleen Keil 1992-7-24 23564 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  CDA38754  Ambrosia trifida Rhonda Posey, Kay Dye 2012-8-29 s.n. Siskiyou Mt. Shasta (City); 1524 Frederick St. 0 Comment
  HSC101744  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 2010-5-2 12805 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  HSC29350  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC29353  Amelanchier pallida Frederick W. Oettinger 1969-8-13 1358 Siskiyou Marble Mtn. Wilderness Area, below Halfway Spring, trail from English Lake to Diamond Lake 1829 Comment
  HSC69428  Amelanchier pallida John Palmer 1980-7-23 568 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  JEPS126018  Amelanchier pallida E. T. Doucette 2013-5-20 13 -131 Siskiyou Greenhorn Road, Yreka, 9.6 miles from business district. Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  CAS-BOT-BC136904  Amelanchier utahensis Ella Dales Cantelow 1936-5-20 1397 Siskiyou Summit of Salmon Mt. 1818 Comment
  UC174986 Image available Amsinckia intermedia E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon; ; Klamathon, Siskiyou Co. Comment
  UC1034591  Amsinckia lycopsoides Douglas Barbe 1955-7-1 71 Siskiyou 0.6 mi e Etna (on s side of the road); Klamath Mountains 853 Comment
  HSC3531  Amsinckia tessellata D. M. Thomson 1965-6-12 83 Siskiyou Lava Beds National Monument, Hovey Point 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
  UC642540  Anaphalis margaritacea W. B. Cooke 1939-8-10 13863 Siskiyou Mud Creek Canyon; Mount Shasta 2133 Comment
  RSA96846  Anaphalis margaritacea Percy C. Everett, E. K. Balls 1954-10-14 20295 Siskiyou Along Klamath River, 7.6 mi. N of Somesbar, Hwy 96. 244 Comment
  UC165395  Ancistrocarphus filagineus Geo. D. Butler 1909-5-23 718 Siskiyou trodden plains near Yreka Comment
  CAS-BOT-BC64606  Androsace elongata subsp. acuta John Thomas Howell 1952-6-14 28347 Siskiyou 9.5 mi. from St. Jones on road to Callehan. Comment
  POM215878  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains. 945 Comment
  JEPS80570  Anemone deltoidea Gilbert Muth 1965-8-3 160 Siskiyou pothole in marble, Marble Mt Wilderness Area Marble Mt Wilderness Area 1792 Comment
  UC8882  Anemone deltoidea Harley P. Chandler Jun 1901 1554 Siskiyou near Marble Mtn (ridges and meadows); North Coast Ranges 1828 Comment
  UCD95465  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  CAS-BOT-BC391798  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  POM258360  Anemone multifida C. L. Hitchcock, J. S. Martin 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  HSC77077  Anemone multifida var. multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC391975  Anemone occidentalis G. J. Muth 1969-8-7 1227 Siskiyou Boulder Peak Ridge Comment
  UC853596  Anemone occidentalis L. E. Smith Siskiyou Mt. Shasta Comment
  HSC33969  Anemone oregana var. oregana J. P. Smith 1974-5-25 7462 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA715493  Anemopsis californica L. Ahart, John Dittes 2005-6-9 12024 Siskiyou On the W side of a poor rock fence. About 280 yards E of where cattle water in the Shasta River. About 3/5 mile (air) S of Hwy 99/97 cutoff. About 2.5 miles (air) ESE of Grenada. 775 Comment
  UCD127105  Angelica arguta R. Tofsrud 1948-8-3 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  HSC71966  Angelica tomentosa J. M. DiTomaso 1980-8-20 1891 Siskiyou Trail at Caribou Lake in Salmon-Trinity Alps Wilderness Area 1951 Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  JEPS33938  Antennaria argentea George D. Butler 1909-5-9 700 Siskiyou Yreka Comment
  POM253189  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  JEPS13217  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  JEPS84310  Antennaria media L. R. Heckard with J. Hickman et al. 1986-7-17 6534 Siskiyou along road end area and camp overlooking s end Alex Hole; Condrey Mt. 1980 Comment
  POM229877  Antennaria media L. C. Wheeler 1935-7-23 3690 Siskiyou Jaynes Canyon. Siskiyou Mts., Mt. Diablo Mer. 1951 Comment
  CAS-BOT-BC79905  Antennaria microphylla Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  HSC25417  Antennaria racemosa J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5662 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC1409468  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou nnw of, vicinity of English Peak Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  POM230556  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS107483  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CHSC26179  Apocynum androsaemifolium J. P. Kroessig 1977-8-6 62 Siskiyou Ca. 3 km sw of Mt. Shasta City. 1000 Comment
  UC618796  Apocynum androsaemifolium unknown 1938-7-22 11327 Siskiyou Mt. Shasta, Sisson Southern Trail Comment
  HSC28654  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou High Lake Basins, in the vicinity of English Peak Marble Mtn. Wilderness Area, in Crapo Peak along trail between Tom Taylor Cabin and English Peak. 2134 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC397937  Aquilegia formosa Mrs. H. P. Bracelin 1931-6-19 407 Siskiyou N side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  UC1034609  Aquilegia formosa Douglas Barbe 1955-6-29 34 Siskiyou 1.8 mi e Callahan (south bank of Scott River); Klamath Mountains 975 Comment
  HSC69383  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-24 1954 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  POM366962  Aquilegia formosa var. truncata Chadwick, Glenn Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC22409  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-1 1676 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC65370  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou South Fork of the Salmon River, south end of Big Flat Meadow. 1493 Comment
  UC1408892  Arabis glabra F. W. Oettinger and R. F. Thorne 1969-8-5 1309 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  UC1034582  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 mi s Etna (at junction of Parrot Mill Rd and French Creek Rd) 944 Comment
  HSC64660  Arabis holboellii var. retrofracta J. O. Sawyer 1977-7-6 3026 Siskiyou South of Little Duck Lake 2134 Comment
  UCR179187  Arabis holboellii var. retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1717 Comment
  HSC90626  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-22 2038 Siskiyou Ridgecrest between Dobkins Lake and Dale Creek drainage Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  SEINET3899916  Arabis holboellii var. retrofracta James Payne Smith Jr 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just west of Sawyers Bar.; 0 671 Comment
  CAS-BOT-BC16714  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou Between Hamburg and Seiad Valley, Klamath River. Comment
  HSC92696  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1173728  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi above mouth of Salmon River) 182 Comment
  HSC6536  Arabis sparsiflora var. subvillosa D. M. Thomson 1965-6-19 92 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC90610  Arabis suffrutescens Jennifer Whipple 1976-6-17 1020 Siskiyou N face of Mount Eddy 2134 Comment
  HSC90613  Arabis suffrutescens Jennifer Whipple 1977-7-22 2047 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  JEPS48992  Arceuthobium Geo. D. Butler 1908-7-19 271 Siskiyou Humbug Creek Comment
  SEINET2471283  Arceuthobium abietinum R. L. Mathiasen 2007-8-14 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake 1345 Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  UC705583  Arceuthobium campylopodum Marion Ownbey, Fred G. Meyer 1940-7-6 2212 Siskiyou summit of Cayenne Ridge near Marble Mtn Comment
  SEINET3831774  Arceuthobium cyanocarpum R. L. Mathiasen 2012-1 1279 Siskiyou Summit of Black Butte; on Pinus albicaulis 1900 Comment
  UC1286476  Arceuthobium cyanocarpum W. B. and V. G. Cooke 1963-7-10 34280 Siskiyou e of Bolam Creek Rd n side of Mt. Shasta 22 Comment
  CAS-BOT-BC102219  Arctium minus John Thomas Howell 1952-6-14 28330 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC45438  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC30462  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, .1 mi. S of Diamond Lake 2073 Comment
  HSC4920  Arctostaphylos nevadensis J. O. Sawyer 1968-9-28 750 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC69205  Arctostaphylos nevadensis Maralyn A. Renner 1980-9-1 2680 Siskiyou Bear Mtn. Comment
  CAS-BOT-BC46432  Arctostaphylos patula T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1737 Comment
  CAS-BOT-BC46459  Arctostaphylos patula Peter H. Raven 1956-9-5 10471 Siskiyou N. Fork of Sacramento River. 1371 Comment
  CAS-BOT-BC46487  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 944 Comment
  JEPS101962  Arctostaphylos patula Dean W. Taylor 1999-6-9 17229 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  JEPS38837  Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Comment
  JEPS38841  Arctostaphylos patula Willis L. Jepson July 1894 14722 Siskiyou near Mt. Shasta; Sisson Comment
  POM367403  Arctostaphylos patula Christopher Davidson 1975-6-5 2649 Siskiyou 2.4 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1280 Comment
  UC796511  Arctostaphylos patula Roxana S. Ferris and Laura Lorraine Siskiyou 1 mi below summit of Gazelle Mt. Grade (w side, on Gazelle-Callahan Rd) 1219 Comment
  SEINET11977820  Arctostaphylos patula H. P. Chandler 1901-1 1600 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  RSA782327  Arctostaphylos viscida subsp. pulchella R. W. Spjut, Paul Burchstead 2008-6-12 16342 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  RSA423531B  Arenaria M. B. Dunkle 1944-7-18 9136 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  POM101419  Arenaria congesta Geo. D. Butler 1910-6-5 1514 Siskiyou Shackleford Creek near Log Lake Comment
  JEPS80541  Arenaria congesta var. congesta Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Black Mountain Marble Mountain Wilderness Area, Black Mountain, Boreal mead 1950 Comment
  UC8104  Arenaria congesta var. suffrutescens Harley P. Chandler 1901-6-1 1674 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  UC1034580  Arenaria congesta var. suffrutescens Douglas Barbe 1953-7-26 263 Siskiyou Klamath Mountains, Scott Mt., Yellow Pine Forest Community 1828 Comment
  SD88364  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1659 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  RSA714934  Arnica amplexicaulis M. E. Fishbein, Lane Greer 2006-8-3 5877 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake 2000 Comment
  HSC92328  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou N facing slopes in Mt. Eddy region on Deadfall Mtn. 2226 Comment
  CAS-BOT-BC82552  Arnica discoidea Doris K. Kildale 1929-7-20 8628 Siskiyou trail up South [Frk] Fork of Indian Creek to Elk Lick 1524 Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  HSC22146  Arnica diversifolia J. O. Sawyer 1969-8-4 1863 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  POM259290  Arnica latifolia J. T. Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  UCD129209  Arnica latifolia J. M. Tucker; L. K. Mann 1963-7-5 3701 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  SEINET3098725 Image available Arnica latifolia var. viscidula Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake. 2230 Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  HSC29164  Arnica mollis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1251 Siskiyou Marble Mtn. Wilderness Area, below Tom's Lower Pond 1860 Comment
  SBBG7592  Arnica mollis H. and M. Dearing 1948-9-12 6735 Siskiyou Mt Shasta 2316 Comment
  UCSB27386  Arnica mollis Wilken, Dieter 1969-7-26 Siskiyou Panther Meadows, near summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  SEINET5712781  Arnica mollis J. M. Tucker 1974-1 4322 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 1463 Comment
  UC75810  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou Medicine Lake Comment
  HSC62123  Arnica viscosa Al Hobart 1960-7-25 Siskiyou Preston Peak Comment
  UC1408754  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Upper English Lake Marble Mountains Wilderness Area, Salmon Mountains, English 1859 Comment
  CAS-BOT-BC90096  Artemisia Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  JEPS80515  Artemisia borealis subsp. borealis Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC93709  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  HSC92871  Artemisia tridentata subsp. tridentata Jennifer Whipple 1978-10-6 2412 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  SEINET516317  Artemisia tridentata subsp. tridentata Vernon H. Oswald 1998-9-16 9629 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CAS-BOT-BC400594  Asarum caudatum A. M. Vollmer; L. Beane 1951-6-2 84 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC400690  Asarum hartwegii L. E. Smith 1913-6-2 327 Siskiyou Castle Crags Comment
  HSC42975  Asclepias cordifolia J. O. Sawyer, Ken Stillman 1976-5-29 2739 Siskiyou Along Specimen Creek 915 Comment
  UC1299579  Asclepias cordifolia Freed W. Hoffman 1948-7-8 2621 Siskiyou 7.8 mi s Scott Bar; Scott River Comment
  JEPS94835  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  RSA747344  Asclepias speciosa K. M. Meyer, A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  CDA39832  Asclepias speciosa Gordon Leppig, T. LaBanca 1998-7-11 925 Siskiyou French Creek Road. Comment
  RSA15601  Asclepias speciosa C. B. Wolf 1927-8-26 1100 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta Comment
  UCD137299  Aspidotis densa Louise Kellogg 5-7 Aug 1953 103 Siskiyou Scott Mountains, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road); Cabin Meadow, 1 mile north of Cory Peak. 1844 Comment
  CHSC78494  Aster Vernon H. Oswald 2000-8-28 9961 Siskiyou Forest Road 17 2.5 mi west of its junction with Stewart Springs Road. 1377 Comment
  CAS-BOT-BC178802  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1739 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC178809  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath R. canyon 1/2 mi. below Hamburg 457 Comment
  CHSC91240  Astragalus filipes Lowell Ahart; John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC43830  Astragalus lentiginosus var. lentiginosus Maralyn O'Meara 1974-5-27 485 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC39771  Astragalus purshii J. O. Sawyer 1970-4-4 2080 Siskiyou Along Sugar Creek 823 Comment
  HSC71345  Astragalus purshii var. lectulus J. P. Smith 1976-5-22 8782 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC193066  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  JEPS54808  Astragalus purshii var. tinctus J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  SEINET5326786  Astragalus purshii var. tinctus G. Butler 1910-5-5 1283 Siskiyou Humbug Mtn. 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
  RSA415402  Astragalus whitneyi var. siskiyouensis M. B. Dunkle 1944-7-18 9127 Siskiyou Siskiyou National Forest. 1890 Comment
  CAS-BOT-BC105091  Asyneuma prenanthoides R. C. Wenk 2008-8-31 994 Siskiyou South Fork of Salmon River, trail from Big Flat Meadow to Yellow Rose Mine 1737 Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  CAS-BOT-BC66200  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC66184  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  CAS-BOT-BC17615  Athysanus pusillus George Dexter Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  HSC4340  Atriplex prostrata L. C. Wheeler 1934-10-21 3331 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  POM312479  Atriplex truncata Verne Grant, Irving Schneider 1947-8-26 8301 Siskiyou Interstate Highway, Lower Klamath Lake 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-BC100055  Balsamorhiza lanata Elmer I. Applegate 1928-9-26 5393 Siskiyou Yreka Comment
  CAS-BOT-BC100061  Balsamorhiza lanata L. E. Smith 1913-4-22 86 Siskiyou Yreka Comment
  JEPS98753  Balsamorhiza lanata Julie Kierstead 1997-5-13 97001 Siskiyou 6 mi W of Weed (Parks Creek Road at junction with 42N19); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1310 Comment
  UC573160  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 Siskiyou 1/4 mi e of Symbol Bidge 1417 Comment
  UC909370  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou serpentine ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  HSC44960  Barbarea orthoceras J. O. Sawyer 1978-6-16 3223 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  RSA210843B  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39042 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC36930  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-27 7596 Siskiyou Along USFS Rd. 47N03 1646 Comment
  CAS-BOT-BC75721  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  HSC3350  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldredge's Corral, Russian Creek Comment
  UC9755  Berberis nervosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC75929  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CHSC106314  Berula erecta Lowell Ahart; John Dittes 2010-7-30 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC893934  Bidens cernua Louis C. Wheeler 1934-10-21 3337 Siskiyou 4 mi e of Grenada (Shasta Valley); Shasta Valley 868 Comment
  UCD77955  Bistorta bistortoides Robert E. Preston 2003-7-31 2176 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow. 1661 Comment
  CAS-BOT-BC127945  Blepharipappus scaber L. B. Kildale 1930-6-1 9826 Siskiyou Mill Creek near Etna Mills Comment
  CHSC118591  Blepharipappus scaber Richard R. Halse 2016-5-29 9717 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  HSC34009  Blepharipappus scaber J. P. Smith 1974-5-25 7506 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC75109  Blepharipappus scaber J. P. Smith, Thomas W. Nelson 1979-6-16 10139 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  UC198721  Boechera Annie M. Alexander and L. Kellogg 1911-6-17 152 Siskiyou Jackson Lake 1798 Comment
  UCD114147  Boechera Dean William Taylor 1972-7-4 1578 Siskiyou Near Lily Pad Lake 3 miles W of Cook and Green Pass. 1981 Comment
  UC1409482  Boechera breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou between Diamond Lake and Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  JEPS105132  Boechera breweri subsp. breweri Dean W. Taylor 1996-5-29 15640 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  CAS-BOT-BC16027  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13568 Siskiyou Salmon River Canyon. Between Big Flat and Caribou gulch. Comment
  SEINET5340096  Boechera breweri subsp. shastaensis G. Butler 1910-5-21 1379 Siskiyou Klamath River rock crevices. Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC38087  Boechera pinetorum R. E. Preston; L. E. Preston 1983-6-9 390 Siskiyou Grass Lake Rest Area. 1542 Comment
  CAS-BOT-BC14673  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC25418  Boechera retrofracta John Thomas Howell 1937-7-21 13203 A Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25430  Boechera retrofracta B. Bartholomew; B. Anderson 1988-5-12 4085 Siskiyou 4 km east of Hambone Butte between Hambone Butte and the north end of White Horse Mountains. 1140 Comment
  SEINET6061781  Boechera rollei David Morin, Rolle, Wayne; Bailey, C. D. 2012-6-27 013 Siskiyou .1 mile southwest of border between Siskiyou National Forest and Klamath National Forest. Pacific Crest Trail 1/4 mi above Lilypad Lake. .7 air mi. SSW of Red Butte Summit. Siskiyou Mountains. Comment
  UC166138  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Klamath Comment
  CAS-BOT-BC25881  Boechera subpinnatifida John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53440 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  RSA43885  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  SBBG25884  Boykinia major D. Myrick 1966-8-10 1518 Siskiyou Salmon Crk at Mtn Meadow Ranch, Big Flat 1676 Comment
  RSA12508  Boykinia occidentalis Carl B. Wolf 1934-7-4 5928 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  CAS-BOT-BC30273  Brassica nigra Henry M. Pollard 1947-8-22 s.n. Siskiyou North of Somes Bar. Fontana's Fishing Lodge. Comment
  CAS-BOT-BC127716  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  CAS-BOT-BC482220  Brodiaea coronaria var. coronaria Alice Eastwood 1912-7-17 1157 Siskiyou Sisson Comment
  UC1190170  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou meadow Mountain View Ranch 960 Comment
  CAS-BOT-BC484384  Brodiaea elegans subsp. elegans Clarice Nye 1940-7-1 s.n. Siskiyou Near Copco, Green Springs Mountain, California-Oregon border Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  UCD59110  Bromus carinatus var. marginatus F. G. Stuckey 1933-10-1 s.n. Siskiyou 30 mi. NE of Mt. Shasta. 1097 Comment
  HSC100299  Bromus hordeaceus J. P. Smith, & J. O. Sawyer 2011-6-25 13256 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  RSA211238  Bromus marginatus William J. Ferlatte 1966-6-23 138 Siskiyou along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC162129  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Along the railroad just above Shasta Springs. Comment
  CAS-BOT-BC162006  Bromus racemosus John Thomas Howell 1952-6-14 28350 A Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  CAS-BOT-BC161707  Bromus rubens 1951-5-23 90 Siskiyou McConahahy Gulch, Scott Valley. 914 Comment
  UC909361  Bromus tectorum Ira L. Wiggins 1950-5-27 12356 Siskiyou east fork of Scott River, at Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  CAS-BOT-BC185590  Bromus tectorum Geo. D. Butler 1909-8-16 860 Siskiyou Along creek near Yreka. Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UCD60229  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N of Happy Camp. Comment
  HSC91982  Calamagrostis breweri Jennifer Whipple 1977-7-20 2006 Siskiyou N slopes of Mt. Eddy 2287 Comment
  RSA238992  Calamagrostis canadensis Frederick W. Oettinger 1969-8-16 1404 Siskiyou Wire Grass Meadow, English Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC520388  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  CAS-BOT-BC185271  Calamagrostis koelerioides Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -030 Siskiyou The Eddys, west of Mount Shasta. East of Toad Lake Trailhead, terminus of Forest Service Road 40N64, headwaters of Middle FOrk of upper Sacramento River. 2051 Comment
  RSA126056  Calamagrostis koelerioides I. L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area. 2043 Comment
  HSC28745  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-9-4 1624 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  JEPS42838  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou near Oro Fino Comment
  HSC19310  Callitropsis nootkatensis J. O. Sawyer 1968-9-9 646 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC85727  Calocedrus decurrens Doris K. Kildale 1929-8-24 9057 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC85731  Calocedrus decurrens Doris K. Kildale 1929-5-11 7715 Siskiyou Cecilville, south fork of Salmon River Comment
  JEPS17831  Calochortus coeruleus Joseph P. Tracy 1935-4-4 14524 Siskiyou 5 mi e Mary Blaine Mt. (Snow Prairie at summit of ridge, extreme head of Plummer Creek); Snow Prairie, Plummer Creek 1859 Comment
  RSA78681  Calochortus coeruleus Philip A. Munz 1952-7-2 17874 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  UC667129  Calochortus coeruleus Joseph P. Tracy 1935-8-4 14524 Siskiyou 5 mi e Mary Blaine Mt. (Snow Prairie at summit of ridge, extreme head of Plummer Creek); Plummer Creek 1859 Comment
  SEINET4169788  Calochortus elegans C. L. Hitchcock, J. S. Martin 1939-7-9 5335 Siskiyou Paradise Lake , near King's Lake 1768 Comment
  NY319580  Calochortus elegans var. oreophilus F. M. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles NE of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  CHSC71511  Calochortus macrocarpus Vernon H. Oswald; Lowell Ahart 1998-7-21 9321 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. 1188 Comment
  SEINET10469598 Image available Calochortus monanthus Edward L. Greene 1876-6-24 Greene 887 Siskiyou Near Yreka. Comment
  CHSC2229  Calochortus nudus V. Holt 1942-7-3 Siskiyou Mt. Eddy. 1524 Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  RSA211389  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  CAS-BOT-BC132455  Calochortus persistens Frank Callahan 2007-6-15 s.n. Siskiyou Northeast flank of Cottonwood Peak, below road at marked point 1606 Comment
  RSA124163  Calochortus persistens Marion Ownbey, S. J. Preece Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka [8W?] Comment
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Jan 10 2020
  CAS-BOT-BC132625  Calochortus uniflorus John Thomas Howell 1937-7-23 13366 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC181513  Caltha leptosepala Ira L. Wiggins 1950-5-28 12367 Siskiyou Small bog on side of ridge above Grouse Creek, ca. 1.5 mi. from Carmen Lake 1584 Comment
  CAS-BOT-BC181518  Caltha leptosepala Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  JEPS24805  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  RSA789267  Calycadenia truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 miles west of Gazelle on the Gazelle-Callahan Road, south of Yreka. 950 Comment
  HSC77032  Calyptridium monospermum K. T. Stillman 1976-6-17 12 Siskiyou Marble Mtn. Wilderness Area, head of Elk Valley 1768 Comment
  CAS-BOT-BC221258  Calystegia malacophylla subsp. malacophylla Alice Eastwood No date on label 1276 Siskiyou Sisson Comment
  JEPS84334  Calystegia occidentalis subsp. occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6411 Siskiyou ca 5 mi n of the town Seiad Valley (Cirque at head of Hell's Canyon); Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  UC1045293  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou along the Pacific Highway near Black Butte; Pacific Highway 1219 Comment
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  POM67613  Campanula prenanthoides Edward Palmer 1892-7-13 2511 Siskiyou Mt. Shasta and vicinity. Comment
  SEINET10840322  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou Near Kuntz Creek, on the Seiad Valley Quadrangle; close to the town of Seiad Valley 1829 Comment
  UC164334  Campanula prenanthoides Geo. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  UC29014  Campanula prenanthoides Milo S. Baker 1893-6 Siskiyou 6 mi below Barthes; McCloud River Comment
  SEINET10463156  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou Klamath National Forest along highway 96 near Somes Bar. T12N R6E Sec. 33 219 Comment
  SEINET10463157  Campanula prenanthoides Deventer DEVENTER s.n. Siskiyou Preston Peak quadrangle; Youngs Valley. T17N R5E SECS. 9, 10 & 16. Comment
  SEINET10840346  Campanula prenanthoides Alice Eastwood 1912-7-21 Eastwood 1275 Siskiyou Sisson Comment
  HSC76899  Campanula rotundifolia K. T. Stillman 1976-8-7 385 Siskiyou Marble Mountain Wilderness Area Comment
  RSA22585  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10463765  Campanula scouleri Palmer 1980-8-13 Palmer 796 Siskiyou Condry Mountain quadrangle: Dead Cow Creek, near Forest Service road 47N44 from Beaver Creek Road. Mixed Conifer Forest. T47N R9W Sec. 18 NW 1/4 1615 Comment
  SEINET10463792  Campanula scouleri Hemphill 1970-8-11 HEMPHILL s.n. Siskiyou Sanger Lake 1524 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  UC1023734  Campanula wilkinsiana W. Bridge Cooke 1941-8-28 16238 Siskiyou spring area on bank Squaw Valley Creek; Mount Shasta Comment
  SEINET10463872  Campanula wilkinsiana Lawrence R. Heckard 1967-8-14 Heckard 1731 Siskiyou SECOND PRINGS ON SIDE CANYON ABOVE HORSE CAMP, SW FLANK OF MT. SHASTA 2560 Comment
  SEINET10905984  Campanula wilkinsiana John G. Lemmon 1888-9-12 Lemmon s.n. Siskiyou Side of Mount Shasta Comment
  CAS-BOT-BC37224  Cardamine angulata Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  JEPS25570  Cardamine bellidifolia var. pachyphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7195 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (southwestern slopes Mt. Shasta); , above Mt. Shasta Ski Bowl Lo 2834 Comment
  CAS-BOT-BC37744  Cardamine californica A. A. Heller 1921-7-7 13565 Siskiyou On Mount Eddy. 1828 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
  UC144264  Cardaria draba A. A. Heller 1905-6-9 8006 Siskiyou Yreka Comment
  UC52222  Cardaria draba W. T. Mooney 1903-5-1 Siskiyou Yreka Comment
  CAS-BOT-BC18393  Carex Elmer I. Applegate 1895-5-28 782 Siskiyou Strawberry Valley. Sisson. Comment
  RSA14334  Carex Elmer I. Applegate 1923-8-17 3836 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC19770  Carex abrupta R. Tallent 1987-8-16 941 Siskiyou Mount Shasta Area. Panther Meadows Trailhead Area. 2220 Comment
  CAS-BOT-BC17863  Carex amplifolia W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC17866  Carex amplifolia Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  UCD140120  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Siskiyou-Trinity County line: northwest-facing slope of Scott Mountain. 1828 Comment
  HSC76314  Carex aquatilis L. P. Janeway 1982-8-22 178 Siskiyou Near the old jeep road between Poker Flat and Kelly Lake 1555 Comment
  JEPS63748  Carex bolanderi B. C. Goldsmith 1916-7-23 8 Siskiyou 6 mi from McCloud; McCloud River Comment
  JEPS109522  Carex brainerdii Dean W. Taylor 1988-7-9 9949 Siskiyou Castle Lake, in cirque and ridgetop above heart lake 1950 Comment
  JEPS125994  Carex buxbaumii D. W. Taylor, G. Clifton 1996-7-27 15856 Siskiyou Shasta-Trinity National Forest; Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  SEINET8355497  Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River NF: low on the New London, between the first and second acute corners, near the trailhead, between Rd 1050 and the creek. Comment
  HSC69183  Carex echinata subsp. echinata Maralyn A. Renner 1980-8-31 2637 Siskiyou Twin Valley. 1494 Comment
  HSC38961  Carex fracta J. O. Sawyer 1969-8-1 1618 Siskiyou On trail to Eaton Lakes. 1799 Comment
  UCD77468  Carex fracta Robert E. Preston 2003-7-29 2167 Siskiyou Rainbow Mountain 1785 Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 Comment
  JEPS109561  Carex hassei Dean W. Taylor 2002-7-21 18270 Siskiyou Scott Mountains, The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  HSC97427  Carex hoodii Jennifer Whipple 1977-7-22 2031 Siskiyou SW of Dobkins Lake along the drainage into the lake 2195 Comment
  SEINET7561712 Image available Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  HSC89807  Carex laeviculmis D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  RSA237326  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CHSC40182  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Bench above and on ne side of Bear Cr near trail. 1615 Comment
  HSC101883  Carex lenticularis var. lipocarpa Dana York 2011-9-9 3092 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC103368  Carex luzulina Thomas W. Nelson, Jane Nelson 1984-7-28 7707 Siskiyou Along west side of Gumboot Lake 1860 Comment
  HSC29629  Carex mariposana Frederick W. Oettinger 1968-8-10 458 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins Area, on trail from Base Camp to Hancock Lake 1974 Comment
  SEINET10711249  Carex mariposana Louis C. Wheeler 1934-8-6 Wheeler 3049 Siskiyou Dry sunny meadow. Bear Ground Gulch off James Canyon. Siskiyou Mts. S32, T48N, R9W. Mt. Diablo Mer. 1676 Comment
  HSC76805  Carex microptera L. P. Janeway 1982-8-15 140 Siskiyou Above Echo Lake 1799 Comment
  SEINET13390526  Carex multicaulis P. F. Zika 2012-5-18 25888 Siskiyou Klamath Range (KR), near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley 730 Comment
  HSC85837  Carex multicaulis L. P. Janeway 1983-8-7 524 Siskiyou Along S Fork Indian Creek Rd. (FS 17N32), 18 mi. from Indian Creek Rd. 1433 Comment
  POM79951  Carex multicaulis E. B. Copeland 1903-8-15 2380 Siskiyou Mt. Shasta. 2134 Comment
  HSC39380  Carex multicostata J. O. Sawyer 1969-7-18 1435 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  RSA237308  Carex multicostata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1244 Siskiyou Pine Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  HSC76376  Carex nebrascensis L. P. Janeway 1982-8-10 119 Siskiyou E side of Hwy. 96, 2 mi. S of Ti Bar 244 Comment
  HSC29665  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-4 1164 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  RSA237319  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1164 Siskiyou Diamond Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  CHSC48071  Carex pachystachya L. P. Janeway 1983-8-26 607 Siskiyou At Poker Flat, a mdw. Across road on N edge of mdw. 1524 Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  SEINET8275557  Carex pellita Elmer I. Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC119128  Carex phaeocephala William Bridge Cooke 1940-7-26 15386 Siskiyou On west side of Shastina. Mount Shasta. 2743 Comment
  CAS-BOT-BC118574  Carex praegracilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53380 Siskiyou 2.5 mi S of Grenada, Shasta Valley 762 Comment
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  HSC76629  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC470  Carex rostrata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin 1677 Comment
  HSC67703  Carex rostrata John S. Palmer 1980-7-24 603 Siskiyou Elk Hole 1503 Comment
  HSC85842  Carex rostrata L. P. Janeway 1983-7-24 452 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  HSC71108  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4500 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC103349  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7232 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  HSC39278  Carex scopulorum J. O. Sawyer 1968-7-22 553 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC91374  Carex scopulorum Jennifer Whipple 1978-10-6 2424 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117253  Carex spectabilis John Thomas Howell 1937-7-25 13481 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC76665  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UC1736054  Carex spectabilis Dean W. Taylor 1975-8-14 5360 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte, 2651 Comment
  UC642543  Carex spectabilis J. W. Stacey 1939-7-26 13748 Siskiyou in west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  UC835741  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC117235  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1950 Comment
  HSC30555  Carex spectabilis Frederick W. Oettinger 1969-8-4 1178 Siskiyou Marble Mtn. Wilderness Area, between Tobacco Lake and Mud Lake 1890 Comment
  RSA211371  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  SEINET10749734  Carex sterilis A. Arthur Heller 1905-6-15 Heller 8041 Siskiyou Near Sisson. Comment
  UC196158  Carex stipata var. stipata Geo. D. Butler 1909-6-13 805 Siskiyou Oro Fino Comment
  SEINET7579987 Image available Carex vesicaria Ray Tallent 1987-8-12 897 a Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  RSA173646  Carex vesicaria Geo D. Butler 1910-7-8 1666 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  SEINET7579992 Image available Carex vesicaria Veva Stansell 1995-10-1 3013 Siskiyou Whiskey Lake, south of Takilma, OR. 1463 Comment
  RSA211456  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1967-7-25 733 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  CAS-BOT-BC248987  Castilleja Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC241137  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-24 13375 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC43833  Castilleja applegatei subsp. pinetorum Maralyn O'Meara 1974-5-27 487 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC82256  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6176 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  RSA425924  Castilleja applegatei subsp. pinetorum E. E. Stanford 1930-6-15 1590 Siskiyou Near Shasta City. 1098 Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243772  Castilleja applegatei var. pinetorum Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest foothills Comment
  JEPS16360  Castilleja arachnoidea Peter H. Raven 1956-9-4 10392 Siskiyou just s Mount Eddy 2438 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  UC313766  Castilleja arachnoidea David D. Keck 1926-8-16 308 Siskiyou Horse Camp Mt. Shasta (s side of Mt. Shasta) 2468 Comment
  HSC91236  Castilleja arachnoidea Jennifer Whipple 1976-6-19 1054 Siskiyou Mt. Eddy, near Dobkins Lake 2073 Comment
  UC1034024  Castilleja lacera Francis W. Pennell 1940-7-20 26199 Siskiyou w of Bartle (Route 89) 1158 Comment
  CDA41245  Castilleja lacera G. D. Barbe, T. C. Fuller 1972-6-14 945 Siskiyou South of Oberlin Road, between Yreka and Montague. 0 Comment
  HSC67717  Castilleja miniata John Palmer 1980-7-24 617 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69174  Castilleja miniata Maralyn A. Renner 1980-8-6 2333 Siskiyou Cracker Meadow 1555 Comment
  UC1096790  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  CAS-BOT-BC254107  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou at edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  LA86534  Castilleja miniata J. M. Tucker; 1963-8-17 1963 Siskiyou Marble Mountain Wilderness Area, Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Area 1493 Comment
  POM42523  Castilleja miniata Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest. Comment
  SBBG6805  Castilleja miniata subsp. miniata H. and M. Dearing 1948-9-12 6732 Siskiyou Panther Meadow, Mt Shasta 2316 Comment
  CAS-BOT-BC241052  Castilleja pilosa Alice Eastwood 1921-7-28 10888 Siskiyou Medicine Lake Comment
  JEPS28174  Castilleja pilosa A. A. Heller 1938-7-12 15261 Siskiyou near Deer Mountain eastern base (on U.S. Hwy 97) 1371 Comment
  JEPS90569  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9011 Siskiyou Egg Lake Upper Modoc Plateau 1298 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  HSC65287  Castilleja pruinosa Rich White 1978-7-6 257 Siskiyou Pond above Elk Hole 1524 Comment
  HSC74866  Castilleja pruinosa J. P. Smith, Jennifer Whipple 1978-7-2 9986 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC26483  Castilleja pruinosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC164276  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woody Creek Comment
  CDA41391  Castilleja tenuis Vernon H. Oswald & Lowell Ahart 1998-6-11 9207 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  HSC103023  Catalpa bignonioides J. P. Smith 2014-6-6 13880 Siskiyou Seiad Valley 417 Comment
  CAS-BOT-BC48701  Ceanothus cordulatus Wm. Bridge Cooke 1938-6-17 11022 Siskiyou Sisson Southern Trail 1371 Comment
  UC61166  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC49188  Ceanothus cuneatus W. R. Dudley 1905-7-7 s.n. Siskiyou Top Siskiyou Mountains Comment
  UC163699  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  HSC101760  Ceanothus integerrimus J. P. Smith, J. O. Sawyer 2011-9-5 13419 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  UC375368  Ceanothus integerrimus Geo. D. Butler Jun 22 1908-Jul 12 1908 411 Siskiyou Humphrey Mountain Comment
  UCSB11909  Ceanothus integerrimus Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC50692  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1912-7-23 1316 Siskiyou Dunsmuir Comment
  CDA35592  Ceanothus integerrimus var. macrothyrsus T. C. Fuller 1962-8-3 9516 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  CAS-BOT-BC53081  Ceanothus prostratus W. C. Blasdale 1894-7-31 s.n. Siskiyou Sissons Comment
  CAS-BOT-BC63154  Ceanothus velutinus Doris K. Kildale 1929-8-24 9066 Siskiyou Trail to Preston Peak between Ynengs Valley and Rattlesnake Meadow. 1524 Comment
  JEPS42168  Ceanothus velutinus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  RSA68856  Ceanothus velutinus A. E. Culbertson 1943-6-26 100 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCD77492  Ceanothus velutinus Robert E. Preston 2001-6-23 1592 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 2042 Comment
  SDSU6509  Centaurea cyanus D. F. Howe 1977-7-2 4982 Siskiyou 7 miles west of Fort Jones on Scott River Rd. 671 Comment
  CAS-BOT-BC276997  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou W. side of Hwy 97 to Weed, 3 mi. s. of Macdoel, Butte Valley Comment
  UC2014141  Centaurea solstitialis Steve Orloff September 2011 SQK 472276 S1-D Siskiyou Siskiyou County: From a property along the Klamath River. Comment
  HSC66262  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou N side of Castle Lake Rd (39N24)., 0.9 mi. W of its jct. with FS 40N26, at SE side of Lake Siskiyou 1037 Comment
  RSA181620  Cephalanthera austiniae Dorothy Parker 1950-7-9 476 Siskiyou Salmon Mountain 915 Comment
  SJSU6517  Cephalanthera austiniae R. W. Trivelpiece 1972-7-11 144 Siskiyou near Elk Creek Divide NW of Boulder Peak c. 10 mi W of Happy Camp 1402 Comment
  CAS-BOT-BC384964  Cerastium arvense Gilbert Muth 1965-8-18 s.n. Siskiyou Trail, north side of Black Mountain Comment
  CHSC96778  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Northern California. Siskiyou County. B.M. Long property, Little Shasta Rd, 5 mi E of Montague. Comment
  CAS-BOT-BC384985  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  UC165260  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  POM351688  Chaenactis carphoclinia M. B. Dunkle 1945-1 9355 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  RSA17744  Chaenactis carphoclinia Elmer I. Applegate 1935-6-8 9450 a Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  JEPS34211  Chaenactis douglasii var. douglasii Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  JEPS44092  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou Bolam Road Mt. Shasta 1706 Comment
  JEPS69747  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1972-6-30 45408 Siskiyou above Andesite crossing Military Pass Road; Mt. Shasta 1524 Comment
  JEPS125881  Chaenactis suffrutescens Dean W. Taylor 1996-7-25 15833 Siskiyou Klamath National Forest; Scott Mountains, on watershed divide between Crater Creek drainage and Mountain House Creek drainage, about 15 air miles W of Weed. Comment
  SD60215  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake, a short distance form Castle Crags in the yellow pine belt Comment
  UC1303146  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou a short distance from Castle Crags (near Castle Lake, n source of the Sacramento River); Sacramento River, Castle Lake Comment
  CAS-BOT-BC141579  Chamaebatiaria millefolium Elmer I. Applegate 1935-8-4 10025 Siskiyou Upper Ice Cave, Lava Beds National Monument Comment
  RSA59508  Chamaebatiaria millefolium E. K. Balls 1950-5-16 14706 Siskiyou Caldwell Caves, Lava Beds National Monument. 1524 Comment
  CAS-BOT-BC85660  Chamaecyparis lawsoniana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  HSC77230  Chamaesyce maculata L. P. Janeway 1982-7-9 51 Siskiyou Along the shoulder of Hwy. 96, S of Happy Camp. 335 Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  RSA571805  Chamaesyce serpillifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou Along the Memorial Highway, Mt. Shasta. 1372 Comment
  UC1045259  Chamaesyce serpyllifolia W. B. Cooke 1940-7-12 15332 Siskiyou near new pine plantings (along the Memorial Hwy); Mount Shasta 1371 Comment
  UC61675  Chamaesyce serpyllifolia Geo. B. Grant September 1902 5068 Siskiyou Sisson Mount Shasta 914 Comment
  CHSC4544  Chamerion angustifolium subsp. circumvagum J. E. Bowlin 1967-7-18 55 Siskiyou On roadside, and ca. 9.5 mi w of Mount Shasta Ski Bowl. Comment
  HSC92069  Chamerion angustifolium subsp. circumvagum Jennifer Whipple 1977-8-5 2180 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  UC1368678  Chenopodium atrovirens W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou along Andesite Rd Mt. Shasta (n side of mt.) 1524 Comment
  UC851051  Chenopodium pumilio A. A. Heller 1915-8-24 12210 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA238388  Chenopodium pumilio Frederick W. Oettinger 1969-8-24 1532 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CDA23401  Chenopodium rubrum var. rubrum R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  CAS-BOT-BC451439  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  HSC61813  Chimaphila menziesii Ruby Van Deventer 1958-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC452280  Chimaphila umbellata Doris K. Kildale 1928-8-18 6449 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  UCR52373  Chimaphila umbellata Barry Silver 1986-5-24 621 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  JEPS58868  Chimaphila umbellata W. L. Jepson 1902-7-22 2088 Siskiyou trail from Salmon Forks (Salmon Summit); Western Siskiyou, Salmon Summit 1371 Comment
  CAS-BOT-BC36379  Chrysolepis chrysophylla Doris K. Kildale 1928-8-20 6626 Siskiyou at lead of north Fork Salmon River, Finleys upper Camp Comment
  HSC69004  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-24 2133 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC164392  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-7-12 1074 Siskiyou hill w of Yreka Comment
  CAS-BOT-BC36202  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC36400  Chrysolepis sempervirens Alice Eastwood 1912-9-1 s.n. Siskiyou Mount Shasta Comment
  HSC29652  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NE face of English Peak 2226 Comment
  SEINET13952964 Image available Chrysolepis sempervirens E. K. Balls 1949-1 13923 Siskiyou 5 miles from Callahan, by junction of road to Tangle Blue Lake from Scott Mt. southern Siskiyou. 4,500 ft. 152 Comment
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 Comment
  POM603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC190006  Cinna latifolia John Thomas Howell 1939-8-10 15252 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  UCD59780  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC16245  Circaea alpina subsp. pacifica D. E. Anderson 1962-8-5 2314 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  RSA184645  Circaea alpina subsp. pacifica Clare B. Hardham 1965-8-20 13036 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  UC922409  Circaea alpina subsp. pacifica Annie M. Alexander and Louise Kellogg 1949-7-28 5874 Siskiyou Marble Mts., Sky High Valley 1767 Comment
  RSA453424  Circaea alpina subsp. pacifica M. B. Dunkle 1944-7-16 9114 Siskiyou Siskiyou National Forest 1768 Comment
  JEPS24816  Cirsium andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6829 Siskiyou U.S. Forest Service camp ground at Scott Mtn. road summit Scott Mtn. (boundary of Siskiyou and Trinity Cos.) 1646 Comment
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Jan 4 2012
  CAS-BOT-BC105781  Cirsium ciliolatum T. C. Fuller; D. M. Shaw 1977-8-30 20220 Siskiyou South side of Willow Creek road, west slope of Willow Creek Mtn., 21 km. northeast of Montague 1370 Comment
  CDA1182  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CAS-BOT-BC278044  Cirsium cymosum Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3347 Siskiyou West of Yreka Comment
  CAS-BOT-BC285573  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-24 510 Siskiyou Yreka Comment
  OBI54138  Cirsium occidentale var. candidissimum David J. Keil 1992-7-20 23501 Siskiyou Klamath NF, SW of Fort Jones. Along forest Rd 46N64, 1.1 mi W of Scott River Rd Comment
  CDA21700  Cirsium ochrocentrum subsp. ochrocentrum F. D. Horn, T. R. Haig 1979-9-19 Siskiyou Near Macdoel. 0 Comment
  CAS-BOT-BC288775  Cirsium remotifolium Geo. D. Butler 1908-8-4 335 Siskiyou W Fork of Wooley Creek Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC228959  Cistanthe umbellata Annie M. Alexander; Louise Kellogg 1949-7-21 5826 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC228960  Cistanthe umbellata Roxana S. Ferris; Laura Lorraine 1948-6-12 11761 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC172046  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  SJSU11000  Clarkia lassenensis J. W. Tilden 1958-6-26 1271 Siskiyou near Monument Hedquarters, Lava Beds National Monument Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC930739  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview Scott Valley 883 Comment
  UC1949050  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Thomas J. Delendick 1987-5-17 6972 Siskiyou W side Rt. 3 N of Callahan, 1.7 mi N of S Fk Scott River bridge Comment
  CAS-BOT-BC164967  Clarkia rhomboidea Alice Eastwood 1912-7-15 1149 Siskiyou McCloud Comment
  SEINET10689252  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2348 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec. 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus Garryana, and Quercus Kelloggii. Elevation 2800-3000 feet. 855 Comment
  JEPS127640  Claytonia Jurriaan M. de Vos 2014-7-10 318 Siskiyou Klamath NF.Ca. 2.0 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  SBBG15810  Claytonia palustris D. Myrick 1961-6-20 289 Siskiyou Bear Springs, Mt Shasta E of Mt Shasta City 1676 Comment
  HSC64294  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6405 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS69765  Claytonia rubra W. B. and V. G. Cooke 1972-6-30 45422 Siskiyou Military Pass Road; Mt. Shasta Comment
  RSA238296  Claytonia rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA238297  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Meadow at spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA386277  Clematis ligusticifolia Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  HSC61810  Clintonia uniflora Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC1299331  Clintonia uniflora Freed W. Hoffman 1948-7-9 2569 Siskiyou 4.1 mi n of West Branch Public Camp (Waldo-Happy Camp Road); North Coast Ranges, Waldo-Happy Camp Road Comment
  RSA377071  Clintonia uniflora M. B. Dunkle 1944-7-3 9065 Siskiyou Siskiyou National Forest. Comment
  RSA78293  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC238056  Collinsia Alice Eastwood 1912-7-15 s.n. Siskiyou Mc Cloud [McCloud] Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  POM258052  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  RSA237562  Collinsia linearis Frederick W. Oettinger 1968-9-5 705 Siskiyou Near spring half way up trail from English Lake to Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  UC1483552  Collinsia parviflora Maralyn A. Renner 1980-6-7 791 Siskiyou n of Greenhorn Road (Klamath National Forest); Klamath National Forest 1097 Comment
  SEINET13406250  Collinsia rattanii L. C. Wheeler 1934-6-12 2692 Siskiyou Siskiyou Mountains, Hungry Creek Lookout. 1463 Comment
  UCD18938  Collinsia rattanii A. H. Murphy 1955-7-29 55 M Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  JEPS6172  Collinsia rattanii Geo. D. Butler 1909-5-30 758 Siskiyou Hamburg rd from Yreka Comment
  UC164318  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou Between Yreka and Montague Yreka; Shasta Valley Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  UC1229785  Collinsia torreyi var. latifolia G. Newcomb and F. Chisaki 1958-6-22 1157 Siskiyou between Fort Jones and Gazelle 9.6 mi w on road from Fort Jones to Duzel Rock and 9.4 mi s from this road to Duzel Rock Duzel Rock 1645 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  RSA238791  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou northwest of Little English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD118161  Collomia grandiflora J. M. Tucker 1948-8-2 1752 Siskiyou In the outskirts of McCloud. Comment
  HSC69116  Collomia tinctoria Maralyn A. Renner 1980-8-7 2392 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UCD118258  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake. Comment
  JEPS93956  Conium maculatum Vernon H. Oswald and Lowell Ahart 1998-9-16 9644 Siskiyou 8.7 mi e of Highway 97 (Vista Point on Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Vista Point 1243 Comment
  CDA32137  Convolvulus arvensis M. Beyers, G. F. Hrusa 2010-8-18 693 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  CAS-BOT-BC133723  Corallorhiza Doris K. Kildale 1928-7-4 5462 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC375214  Corallorhiza mertensiana Geo. D. Butler 1908-7-20 347 Siskiyou Humbug Mountain Comment
  HSC38715  Cordylanthus tenuis subsp. pallescens J. D. Ackerman, A. M. Montalvo 1975-7-18 572 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  UCD123165  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16191 Siskiyou Shasta-Trinity National Forest, along road 40N26 west of Lake Siskiyou. On north side of road. 1198 Comment
  JEPS77480  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4974 Siskiyou s Edgewood (road above Stewart Springs, on Deadfall Meadow-Mt. Eddy Rd.) 1371 Comment
  JEPS85954  Cordylanthus tenuis subsp. viscidus Don Burk 1990-11-3 Siskiyou w Dunsmuir (n side of road 40N26, ca. 1.8 mi below South Fork Sacramento River Bridge); Shasta National Forest 1828 Comment
  RSA523462  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  SEINET10739246  Cornus glabrata Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 893 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC212072  Cornus nuttallii Doris K. Kildale 1929-5-31 9159 Siskiyou Cecilville, South Fork Salmon River Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC210396  Cornus sericea Doris K. Kildale 1928-8-18 6455 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek Comment
  UC21531  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou McCloud R. 6 mi. below Bartles; Mccloud R. Comment
  HSC33340  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Yellow Rose Mine Trail. 1707 Comment
  CAS-BOT-BC180201  Corylus cornuta subsp. californica Alice Eastwood 1912-9-4 s.n. Siskiyou Sisson Comment
  UC1408881  Crepis acuminata F. W. Oettinger 1969-8-6 1263 b Siskiyou nne Toms Lake (near gap between Toms and Hancock Lake basins, in English Peak area); Salmon Mountains 2164 Comment
  UC1408879  Crepis occidentalis F. W. Oettinger 1969-8-15 1385 Siskiyou dry meadow w Upper English Lake; Salmon Mts., English Peak region 1783 Comment
  SEINET2142064 Image available Crepis occidentalis subsp. conjuncta Unknown 1644 Siskiyou Marble Mountain 2440 Comment
  CAS-BOT-BC290840  Crepis occidentalis subsp. pumila L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC290874  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 Siskiyou Near Cantara Comment
  CAS-BOT-BC376176  Crepis pleurocarpa Andrew Townesmith; Karen M. Meyer 2007-8-1 879 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  UC455528  Crepis pleurocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  JEPS22546  Crocidium multicaule George D. Butler 1909-3-7 553 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  UC711887  Cryptantha ambigua Roxana S. Ferris and Laura Lorraine 1941-8-11 10496 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  CAS-BOT-BC33114  Cryptantha hendersonii Copeland 1903-7-5 s.n. (= no. 3550 of C.F. Baker's distribution) Siskiyou Klamathon Comment
  UC726047  Cryptantha intermedia A. A. Heller 1938-7-12 15250 a Siskiyou 5 mi n Weed (along U.S. Highway 97) 1066 Comment
  CDA40514  Cryptantha intermedia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2648 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  UC24648  Cryptantha intermedia Miss Edmonds 1890-7-4 Siskiyou Comment
  CHSC75685  Cryptantha torreyana Vernon H. Oswald; Lowell Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  JEPS24793  Cryptogramma acrostichoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6802 Siskiyou shore of Castle Lake (headwater of Sacramento River) 1661 Comment
  CAS-BOT-BC80565  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  NY16594  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1 mile northeast of Timbered Center, Modoc Lava Beds on old stageroad from Dana to Little Hot Springs Valley 1219.2 Comment
  NY16608  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA1659  Cupressus bakeri C. B. Wolf 1930-10-19 1006 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA176218  Cupressus bakeri C. O. Stone 1964-6-20 291 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA256700  Cupressus bakeri J. P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  SEINET8714458 Image available Cupressus bakeri Oliver V. Matthews 1939-1 38 Siskiyou Northeast Goose Nest Grove. 1829 Comment
  RSA237965  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD121386  Cycladenia humilis Robert E. Preston 1996-7-23 982 Siskiyou 0.1 mi w of Forest Route 49, near Jot Dean Ice Caves. Comment
  HSC101875  Cycladenia humilis var. humilis R. D. Whittlesey 2013-6-5 5 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  CDA37843  Cynoglossum occidentale Ashley Knight 2012-7-16 PDR# 470 P06027572 Siskiyou East of Mt. Shasta City, north of Old McCloud/31 road, Shasta/Trinity National Forest. 0 Comment
  HSC459  Cynoglossum occidentale William J. Ferlatte 1967-7-8 670 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  CAS-BOT-BC114152  Cyperus squarrosus Carl B. Wolf 1927-8-27 1122 Siskiyou On the Klamath River, Happy Camp. Comment
  UC637068  Cyperus squarrosus Edward Lee 1934-8-11 1026 Siskiyou e. end Seiad Valley (Walker Creek); , Walker Creek (tributary of Klamath R.) 457 Comment
  UC1483490  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad 1066 Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC727006  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou near Wagon Creek Falls Comment
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Jun 24 2013
  JEPS46152  Cypripedium fasciculatum Duncan Dunning 1923-6-15 Siskiyou trail from Sawyers Ridge to Blue Ridge Comment
  HSC19326  Cypripedium montanum J. O. Sawyer 1968-6-25 317 Siskiyou Along Horse Range Creek 1829 Comment
  HSC50061  Cystopteris fragilis Terry Griswold 1979-7-24 9129 Siskiyou Near Hemlock Lake, close to the town of Macdoel 1988 Comment
  UC1190381  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou 3.5 mi above S. Fork Salmon River (along Thompson Creek) 1371 Comment
  UC922430  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1949-7-24 5865 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts. 1920 Comment
  CAS-BOT-BC70718  Cystopteris fragilis L. R. Short 1933-9-10 77 Siskiyou Rogue River Forest 1889 Comment
  CAS-BOT-BC70719  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  HSC29364  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  UC1333339  Cystopteris fragilis Dorothy Parker 1949-8-3 359 Siskiyou near Paradise Lake Salmon Mt.; Siskiyou Mts. 1981 Comment
  HSC9541  Dactylis glomerata C. B. Wolf 1927-8-26 1105 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  CAS-BOT-BC192249  Danthonia californica Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  SEINET4566570  Danthonia californica E. Palmer 1892-1 2666 Siskiyou Near Mt. Shasta Comment
  CHSC61561  Danthonia californica var. americana L. P. Janeway 1983-8-26 595 B Siskiyou Siskiyou Mountains; at Poker Flat, in upper part of lower portion of meadow. 1524 Comment
  POM211405  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  SJSU11324  Danthonia unispicata S. H. Casey 1981-7-4 1216 Siskiyou Seiad Creek Road near Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley 1511 Comment
  CAS-BOT-BC76239  Darlingtonia californica Mrs. Brandegee 1895-1-1 s.n. Siskiyou Mount Shasta. Comment
  JEPS11904  Darlingtonia californica Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4800 Siskiyou along road from Callahan to Carrville and Trinity Center 0.1 mi n summit of divide w of Scott Mt. (in swampy meadow, just n of Trinity-Siskiyou County line) 1615 Comment
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  UC1483479  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow Klamath National Forest, Preston Peak Quad. 1554 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
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Jan 29 2013
  RSA698848  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  UC455366  Darmera peltata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  HSC30498  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  HSC19077  Delphinium andersonii J. O. Sawyer 1969-6-2 1017 Siskiyou Summit above Albert Lake 2256 Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  JEPS25835  Delphinium glaucum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7449 Siskiyou Poker Flat Siskiyou Mts. ((about 12 airline mi nw of Happy Camp)) 1524 Comment
  CAS-BOT-BC8900  Delphinium glaucum Gilbert J. Muth 1965-8-2 s.n. Siskiyou Marble Valley 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
  UC854164  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek Siskiyou Mts. 914 Comment
  HSC44963  Delphinium nuttallianum J. O. Sawyer 1978-6-21 3279 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  CAS-BOT-BC116172  Delphinium nuttallianum Clare Butterworth Hardham 1961-7-3 8070 Siskiyou Scott Mountains, South of Calahan. Comment
  UCD37081  Deschampsia cespitosa Beecher Crampton 1956-8-21 3820 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD62397  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3434 Siskiyou 4 miles W of Hamburg. Comment
  HSC27304  Deschampsia elongata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5694 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC855979  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou ridge s Marble Valley (Marble Mts.); Marble Mts. Comment
  CHSC118610  Dianthus armeria Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 201610 Siskiyou Lower Parks Creek watershed, E Klamath Range; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  CHSC640  Dicentra pauciflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  CAS-BOT-BC500903  Dichelostemma capitatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11852 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  HSC44910  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6402 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC502676  Dichelostemma multiflorum A. A. Heller 1919-6-27 7942 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC291016  Dieteria canescens var. shastensis Grant 1902-9-7 5119 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC153300  Diplacus kelloggii Harley P. Chandler 1901-6-1 1480 Siskiyou Ridges and meadows near Marble Mountain 426 Comment
  CAS-BOT-BC153449  Diplacus layneae L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  POM109258  Disporum hookeri var. hookeri Geo D. Butler 1910-4-22 1222 Siskiyou Kidder Creek Comment
  RSA577801  Disporum hookeri var. hookeri Louis C. Wheeler 1934-8-10 3104 Siskiyou Siskiyou Mountains, Jaynes Canyon 1128 Comment
  CAS-BOT-BC208637  Distichlis spicata Geo. D. Butler 1910-8-21 1844 Siskiyou Saline Flat, Shasta Valley Comment
  HSC33972  Dodecatheon hendersonii J. P. Smith 1974-5-25 7463 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 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
  RSA238713  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC29234  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: on 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  SEINET10735651 Image available Draba carnosula H. E. Brown 1897-6-15 Brown 463 Siskiyou North side Mt. Shasta. 1524 Comment
  CAS-BOT-BC41317  Draba pterosperma W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak. Comment
  CAS-BOT-BC311788  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka 792 Comment
  UC1045245  Drosera rotundifolia W. Bridge Cooke 1940-7-5 15269 Siskiyou Wagon Camp Mount Shasta (sedge swamp) Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  HSC78251  Drymocallis glandulosa var. glandulosa L. P. Janeway 1983-8-6 498 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  HSC31284  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-15 526 Siskiyou Marble Mountains Wilderness Area, High Lakes Basins, E side of Hancock Lake 1921 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC76989  Drymocallis lactea var. lactea K. T. Stillman 1976-6-25 67 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC536728  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Mount Shasta. Hudsonian Zone. Comment
  HSC26931  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4833 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CHSC118256  Eleocharis bella R. E. Brainerd; N. Otting 2013-7-12 2188 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  HSC30717  Eleocharis bella Frederick W. Oettinger 1968-9-3 673 Siskiyou Marble Mtn. Wilderness Area, N side of Horse Range Lake 1822 Comment
  SEINET5718064 Image available Eleocharis montevidensis Philip E. Hyatt 2002-1 11140 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  CAS-BOT-BC112695  Eleocharis parishii Louis C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  UC839227  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek Siskiyou Mountains 1036 Comment
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC451555  Elodea canadensis Wm. Bridge Cooke 1940-6-20 15164 Siskiyou In the Klamath River along the Pacific Highway below Hornbrook. Comment
  UC637115  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou e end Seiad Valley (near mouth of Walker River, s side of Klamath River); , Klamath River 426 Comment
  POM359908  Elymus X hansenii M. B. Dunkle 1945-7-24 9267 Siskiyou Klamath National Forest, Marble Mts. Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  UCD61420  Elymus elymoides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3396 Siskiyou 7 miles N of Weed. Comment
  CAS-BOT-BC207373  Elymus elymoides subsp. elymoides L. P. Janeway 1983-8-26 605 Siskiyou Poker Flat, Siskiyou Mountains 1524 Comment
  UC1495300  Elymus elymoides subsp. elymoides Robert T. Clausen and Harold Trapido 1940-7-27 4971 Siskiyou w side of creek 5 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 1981 Comment
  SD104847  Elymus elymoides var. brevifolius Darley Howe 1979-6-26 Siskiyou Military Pass Road, 3 miles Southeast of California Highway 97 Comment
  HSC26575  Elymus elymoides var. californicus J. P. Smith 1972-8-17 5748 Siskiyou Medicine Lake 2012 Comment
  CAS-BOT-BC206591  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206593  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-9 15212 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA198621  Elymus multisetus Geo D. Butler 1910-7-3 1632 Siskiyou Goosenest Foothills 1220 Comment
  CAS-BOT-BC392234  Enemion stipitatum Geo. D. Butler 1910-3-10 1120 Siskiyou Near Yreka Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC77233  Epilobium brachycarpum L. P. Janeway 1983-8-13 536 Siskiyou Along Rd. 17N32 (the S Fork Indian Creek Rd.) 12 mi. from Indian Creek Rd. 976 Comment
  POM171580  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-7-25 5862 Siskiyou Klamath River between Gottville and Browns Resort 579 Comment
  POM259021  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-2 15409 Siskiyou Wagon Camp, Mount Shasta 1738 Comment
  UC220958  Epilobium densiflorum H. E. Brown Jul 15 1897-Jul 31 1897 566 Siskiyou s side Mt. Shasta 1524 Comment
  UC637165  Epilobium densiflorum Edward Lee 1934-8-10 1017 Siskiyou s bank of river between McKinney Creek and Parkerhouse Creek; Klamath River 609 Comment
  RSA237400  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  UC107989  Epilobium hallianum C. G. Pringle 1882-9-1 Siskiyou Springs of the Sacramento Comment
  HSC19492  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-11 1314 Siskiyou Above S Sugar Creek 2012 Comment
  RSA139178  Epilobium luteum R. C. Bacigalupi, Constance, Heckard 1960-7-20 7450 Siskiyou Poker Flat, headwaters of the West Branck of Indian Creek; Siskiyou Mountains, close to Del Norte Co. line 1555 Comment
  HSC68491  Epilobium minutum Maralyn A. Renner 1980-6-9 853 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CHSC118636  Epilobium minutum Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -017 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  RSA237395  Epilobium oregonense Frederick W. Oettinger 1969-8-6 1242 Siskiyou Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  CAS-BOT-BC33406  Epilobium siskiyouense Louis Cutter Wheeler 1934-8-14 3135 Siskiyou Siskiyou Mts., north side, White Mt. 1767 Comment
  UC873454  Epilobium siskiyouense Alice Eastwood 1912-8-30 1997 Siskiyou Mount Eddy Comment
  CAS-BOT-BC56959  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou Happy Camp - Waldo (Oregon) Road, Watershed of West Branch of Indian Creek, Klamath Nat. For. 1371 Comment
  HSC26928  Equisetum hyemale subsp. affine J. P. Smith, J. O. Sawyer 1971-9-18 4832 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC371169  Equisetum hyemale subsp. affine G. D. Butler 1909-4-11 878 Siskiyou Shasta Retreat Comment
  POM161563  Eragrostis hypnoides Geo D. Butler 1910-8-13 1836 Siskiyou Oro Fino Comment
  LA11775  Eragrostis mexicana subsp. virescens Louis C. Wheeler; 1934-10-6 3314 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC174101  Eremogone aculeata John Thomas Howell 1939-8-2 14916 a Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CAS-BOT-BC168326  Eremogone congesta var. congesta Doris K. Kildale 1928-8-19 6543 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  RSA0119474  Eriastrum densifolium subsp. austromontanum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road 1280 Comment
  CHSC36187  Eriastrum signatum K. Bridwell 1978-7-5 166 A Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  HSC16948  Eriastrum sparsiflorum R. C. Wunner 1965-7-13 388 Siskiyou Lava Bed National Monument, along fire rd. around Crescent Butte-Lone Pine Flat Rd. 1479 Comment
  RSA78946  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18173 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  UC630401  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  UC1223066  Ericameria nauseosa var. speciosa Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine; Salmon Mountains 1219 Comment
  CAS-BOT-BC293505  Erigeron aliceae Doris K. Kildale 1928-8-20 6616 Siskiyou Hancock Lookout, on trail to Marble Mt., B.M. 2151 Comment
  HSC68172  Erigeron aliceae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5714 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  SD249139  Erigeron aliceae David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Moutains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC31128  Erigeron aliceae J. O. Sawyer 1971-8-19 2455 Siskiyou 2012 Comment
  HSC61967  Erigeron cervinus Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  UC1475692  Erigeron cervinus Muth and Overton 1979-8-12 13654 Siskiyou close to town of Fort Jones, near Cliff Lake; Scott Bar Quadrangle 1951 Comment
  CAS-BOT-BC297187  Erigeron concinnus var. concinnus Elmer I. Applegate 1935-6-10 9467 Siskiyou Ruby Hill, Lava Beds National Monument Comment
  HSC5512  Erigeron divergens M. S. Baker 1898-7-12 806 Siskiyou The Berch Fall River Valley Comment
  JEPS82103  Erigeron filifolius Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7984 Siskiyou along US Hwy 97 about 7 1/2 mi ne Weed 1127 Comment
  UC895810  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou on US Hwy 97 near w base of Deer Mountain Comment
  CAS-BOT-BC300474  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou Near the western base of Deer Mountain 16 miles northeast of Weed on Highway #97 Comment
  CHSC71470  Erigeron filifolius var. filifolius Vernon H. Oswald; Lowell Ahart 1998-7-21 9313 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  CAS-BOT-BC296123  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts. summit of pass on road from Etna to Sawyer's Bar 1478 Comment
  RSA238768  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou Summit of English Peak. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2229 Comment
  RSA44886  Erigeron foliosus var. hartwegii J. C. Roos 1948-9-1 3950 Siskiyou Summit of pass SW of Etna Comment
  CAS-BOT-BC300860  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC300859  Erigeron glacialis var. glacialis Edward Lee 1934-8-15 1132 Siskiyou Near summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1584 Comment
  CAS-BOT-BC295383  Erigeron inornatus Wm. Bridge Cooke 1938-7-22 11326 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC295398  Erigeron inornatus Edward Lee 1934-8-14 1113 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1828 Comment
  RSA238782  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake); High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Salmon Mountains 1677 Comment
  HSC69344  Erigeron klamathensis Maralyn A. Renner 1980-9-9 2758 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  CAS-BOT-BC295366  Erigeron petrophilus R. C. Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta 2029 Comment
  POM52134  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2287 Comment
  UC1285745  Erigeron petrophilus var. viscidulus Annie M. Alexander and Louise Kellogg 1911-8-12 307 Siskiyou near Toad Lake 2072 Comment
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Nov 28 2018
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  UC1212588  Erigeron strigosus var. septentrionalis Francia Chisaki and Helen Sharsmith 1960-8-20 4739 Siskiyou on Wildcat Creek road ca 4 mi w Callahan; Inner North Coast Ranges 1066 Comment
  SEINET5495491  Eriodictyon californicum G. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  HSC92072  Eriogonum alpinum Jennifer Whipple 1977-7-20 2002 Siskiyou N slopes of Mt. Eddy, above little lake draining into Durney Lake 2378 Comment
  CAS-BOT-BC250070  Eriogonum compositum var. compositum L. E. Smith 1913-6-2 328 Siskiyou Klamath River Comment
  HSC43405  Eriogonum douglasii var. douglasii K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  CAS-BOT-BC261213  Eriogonum hirtellum Rimo Bacigalupi; L. Constance; L. R. Heckard 1960-7-20 7458 Siskiyou Between Indian Creek drainage, N. Fk. Twin Valley Creek and Illinois Riv. drainage (Dunn Creek), boundary line - Del Norte and Siskiyou Counties 1615 Comment
  UC642570  Eriogonum marifolium W. B. Cooke 1939-6-23 13529 Siskiyou vicinity Wagon Camp (along Wagon Camp road); Mount Shasta 1676 Comment
  CAS-BOT-BC263175  Eriogonum marifolium var. cupulatum W. B. Cooke; V. G. Cooke 1963-7-11 34289 Siskiyou Old Wagon Camp road. Wagon Camp area, Mt. Shasta Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  CAS-BOT-BC105081  Eriogonum nudum var. pubiflorum R. C. Wenk 2008-7-24 938 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  CAS-BOT-BC272484  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou Near Yreka Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  SDSU6761  Eriogonum pyrolifolium D. F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC466015  Eriogonum siskiyouense Annie M. Alexander and Louise Kellogg 1911-8-14 317 Siskiyou Mt. Eddy 2789 Comment
  CAS-BOT-BC262729  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1914-4-20 633 Siskiyou Yreka Comment
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  UC164052  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-27 1428 Siskiyou hill near Yreka Comment
  CDA22660  Eriogonum sphaerocephalum var. halimioides Don Shaw 1978-6-1 Siskiyou Sam s Neck, Butte Valley, southwest of Dorris. Comment
  UC1735886  Eriogonum strictum var. anserinum Dean W. Taylor 1987-8-7 9255 Siskiyou Caldwell Butte, Lava Beds National Monument 1499 Comment
  CHSC71593  Eriogonum strictum var. greenei Vernon H. Oswald; Lowell Ahart 1998-8-3 9407 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  JEPS56424  Eriogonum strictum var. proliferum W. L. Jepson 1907-7-25 2961 Siskiyou Patterson Creek bed Scott Valley Comment
  JEPS84304  Eriogonum ternatum L. R. Heckard with J. Hickman et al. 1986-7-17 6476 Siskiyou s Lily Pad Lake (trail up Kangaroo Peak; ca. 5 mi n of the town of Seiad Valley); Kangaroo Peak 1800 Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  HSC65577  Eriogonum umbellatum R. White 1977-7-7 111 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  HSC66394  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-22 3932 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC267990  Eriogonum umbellatum var. argus J. F. Emmel 1968-7-18 89 Siskiyou Slope south above Castle Lake 1889 Comment
  JEPS93921  Eriogonum umbellatum var. argus Vernon H. Oswald and Lowell Ahart 1998-8-3 9406 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 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
  RSA237777  Eriogonum umbellatum var. argus Frederick W. Oettinger 1967-8-4 269 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  RSA50154  Eriogonum umbellatum var. dumosum E. K. Balls 1949-7-10 13061 Siskiyou 8 miles from Sawyers Bar on way to Cecilville. 793 Comment
  HSC43436  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-6-30 1188 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  RSA739868  Eriogonum umbellatum var. nevadense L. P. Janeway, B. Castro 2007-7-28 9128 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  UC585248  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1925 Siskiyou s of highway sw Yreka; Forest House Mt. 1363 Comment
  HSC60822  Eriogonum umbellatum var. polyanthum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SEINET5331992  Eriogonum umbellatum var. polyanthum G. Butler 1910-6-19 1580 Siskiyou Gereuest(?) foothills. 1524 Comment
  SEINET10680303 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 Reveal 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest, on metasedimentary (chert) soils associated with Ericameria nauseosa var. speciosa (and scattered Pseudotsuga menziesii). T.45N, R8W, secs 6 SE 1/4 of SW 1/4 and 7 NW1/4. 1675 Comment
  UC971920  Eriogonum vimineum Herbert L. Mason 1950-7-15 14040 Siskiyou stream wash, Scott Creek Scott Valley, Scott Creek Comment
  HSC96547  Eriophorum crinigerum Gordon Leppig 1998-7-10 908 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS19990  Eriophorum gracile W. L. Jepson Aug. 1894 Siskiyou near Sisson Comment
  CAS-BOT-BC301114  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  POM203469  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-4-20 34229 Siskiyou Shasta River. NE of Yreka. Comment
  SEINET8687241 Image available Eriophyllum lanatum var. achilleoides G. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1070 Comment
  RSA256612  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  UC507183  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou near Weed Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  UC1409449  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou ne Horse Range Lake (w Siskiyou County, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  UC705639  Eriophyllum lanatum var. lanceolatum Marion Ownbey and Fred G. Meyer 1940-7-4 2174 Siskiyou nw Hornbrook; Siskiyou Mountains Comment
  UCR51758  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou Mtns,, Beaver Creek. (Coastal Northern California). 1325 Comment
  HSC41085  Erodium cicutarium J. O. Sawyer 1970-3-4 2071 Siskiyou N of Idlewild Campground. 762 Comment
  UC1559632  Eryngium mathiasiae Beth Corbin 1989-7-10 515 Siskiyou 1 mi. s.e. Adobe Flat (ca. 14 air miles n. of Fall River Mills); Lassen Nat'l Forest 1097 Comment
  CAS-BOT-BC54577  Erysimum capitatum Doris K. Kildale 1928-7-2 5392 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  HSC6755  Erysimum capitatum var. purshii R. C. Wunner 1965-6-6 99 Siskiyou Lava Beds National Monument, between Upper and lower Caldwell Ice Caves 1402 Comment
  CAS-BOT-BC55108  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  CAS-BOT-BC55109  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  CHSC71605  Erythranthe linearifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9419 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  RSA96730  Erythronium Percy C. Everett, E. K. Balls 1954-10-13 20283 Siskiyou Canyon Creek above junction of trails to Kangaroo Mountain and West Fork Seiad Creek, 6.6 miles northeast from Highway 96 671 Comment
  UC1107165  Erythronium citrinum Dorothy Parker 1950-4-7 388 Siskiyou in forest near Scott Bar; Siskiyou Mountains, Scott River 515 Comment
  JEPS82480  Erythronium grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  RSA17662  Eschscholzia californica var. crocea Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  RSA0008954  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  HSC62120  Eucephalus ledophyllus var. ledophyllus Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1890 Comment
  CAS-BOT-BC202762  Euonymus occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch 1097 Comment
  HSC42922  Euthamia occidentalis Ken Stillman 1976-8-31 462 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  SD64374  Euthamia occidentalis Darley F. Howe 1966-8-27 Siskiyou 3.2 miles north of Tule Lake 1310 Comment
  HSC100206  Festuca californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13181 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  LA13197  Festuca idahoensis Louis C. Wheeler; 1934-6-7 2658 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC593535  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1909 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  UCD66086  Festuca idahoensis B. A. Madson 1948-1 Siskiyou Mt. Hebron Pass. Comment
  JEPS80506  Festuca roemeri Gilbert Muth 1966-7-25 448 Siskiyou Marble Mt. Lookout Marble Mountain Wilderness Area 2097 Comment
  CAS-BOT-BC279072  Festuca rubra Annie M. Alexander; Louise Kellogg 1949-7-22 5844 Siskiyou Top of ridge, trail to Kings Castle at 6800 feet. Paradise Lake, Marble Mountains 1920 Comment
  UCD113273  Fragaria virginiana J. M. Tucker; D. V. Hemphill 1974-7-26 4295 Siskiyou Vicinity of Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CAS-BOT-BC53265  Frangula californica subsp. californica Doris K. Kildale 1928-7-25 5916 Siskiyou Klamath River at Somes Bar Comment
  HSC92639  Frangula californica subsp. occidentalis Jennifer Whipple 1976-8-21 1734 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  HSC100193  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-5 13416 Siskiyou Along Yreka-Walker Road (County Road 7J001). 953 Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  CAS-BOT-BC59598  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed 1158 Comment
  CAS-BOT-BC59599  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed Comment
  RSA24286  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3.5 miles below mouth of Shasta River 610 Comment
  POM109753  Fritillaria affinis Geo D. Butler 1910-4-23 1225 Siskiyou [no additional locality information] Comment
  HSC45206  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-20 2972 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC31734  Fritillaria recurva Glenn McGourty 1974-5-25 55 Siskiyou 1402 Comment
  HSC44913  Fritillaria recurva J. P. Smith 1973-5-5 6407 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC504465  Fritillaria recurva L. E. Smith 1913-4-26 124 Siskiyou Dunsmuir Comment
  UC164089  Galium aparine Geo. D. Butler 1908-7-19 1000 Siskiyou Humbug Creek Comment
  UCR104584  Galium aparine J. A. Alexander, F. N. McBain, N. A. Alexander 1996-3-31 484 Siskiyou Along an old road on the north side of Pioneer Bridge, California Highway 263, Shasta River Canyon, Shasta River 1000 Comment
  UC1170100  Galium bolanderi W. Bridge Cooke 1956-7-16 30298 Siskiyou above Hotlum Station (n side of mt.); Mount Shasta 1524 Comment
  JEPS52697  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6138 Siskiyou 4.7 mi sw Callahan (on road to Cecilville, s-facing slope) Comment
  UCSB17328  Galium bolanderi Hardham, Clare 1961-7-2 Siskiyou Scott River south of Steelhead Comment
  UCD121766  Galium grayanum J. M. Tucker; L. K. Mann and Sandra L. Holloway 1963-8-18 3755 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  JEPS21478  Galium mexicanum var. asperulum Stanton A. Cook 1958-8-17 842 Siskiyou river about three mi above confluence of Mud Creek (beside spring); McCloud River Comment
  JEPS27650  Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan) 1828 Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  UCSB17420  Galium serpenticum subsp. scotticum Hardham, Clare 1961-7-3 Siskiyou treeline, Scott River, southwest of Calahan Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  UC1409413  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou e side Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC61792  Galium triflorum Al Hobart 1967-7-5 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC182226  Garrya fremontii Doris K. Kildale 1928-8-19 6528 Siskiyou trail from English Lake to Hancock Lake - trail to Marble [?] Mt. Comment
  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
  UC166164  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  UC637152  Garrya fremontii Edward Lee 1934-8-13 1058 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch of Indian Creek (watershed of West Branch of Indian Creek) 1219 Comment
  POM212181  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou Four miles above junction of McCloud Road with the Pacific Highway. 1189 Comment
  CAS-BOT-BC94901  Gayophytum diffusum subsp. parviflorum R. C. Wenk 2005-7-15 200 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1645 Comment
  HSC61497  Gayophytum diffusum subsp. parviflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA68901  Gayophytum diffusum subsp. parviflorum A. E. Culbertson 1943-7-21 56 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi. S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts. 2000 ft. above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  UC20280  Gayophytum heterozygum F. W. Morse July 1886 Siskiyou Shasta Comment
  JEPS97185  Gentiana calycosa Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95058 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  HSC34493  Gentiana calycosa A. M. Montalvo, J. D. Ackerman 1974-8-17 421 Siskiyou W slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadow 1646 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
  JEPS24817  Gentianella tenella subsp. tenella Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6831 Siskiyou just n and below Scott Mountain road summit 1615 Comment
  JEPS47061  Gentianopsis simplex W. L. Jepson July 1894 14648 Siskiyou Sisson near Mt. Shasta; Sisson Comment
  HSC77110  Geranium richardsonii K. T. Stillman 1976-7-31 356 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off, SE of Kings Castle Comment
  SBBG16394  Geum aleppicum D. Myrick 1961-6-20 277 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UC165263  Geum triflorum Geo. D. Butler 1909-6-20 922 Siskiyou Goosenest Foothills Comment
  HSC223  Gilia capitata William J. Ferlatte 1966-8-17 403 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA237947  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill north of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 Comment
  HSC67700  Glyceria elata Maralyn A. Renner 1980-8-20 2536 Siskiyou S Fork Salmon River at Big Flat 1524 Comment
  SEINET10792341  Glyceria elata A. Arthur Heller 1916-7-20 Heller 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. In wet ground near a spring in the forest, the trees Douglas fir, white fir and incense cedar. 1158 Comment
  UCD85212  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC61683  Gnaphalium palustre Geo. B. Grant 1902-9-1 5088 Siskiyou Sisson Northern California, Mount Shasta 1066 Comment
  UC336046  Grindelia hirsutula unknown 1889-6-28 Siskiyou near Edgwood Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  CDA37677  Gypsophila paniculata R. Breckenridge/D. Kratville 2002-6-2 s.n. Siskiyou Weed; College Ave. 0 Comment
  HSC82261  Hackelia californica Thomas W. Nelson, Jane P. Nelson 1980-7-5 5978 Siskiyou Fowler's Campground 1006 Comment
  UC24816  Hackelia californica C. B. Bradley 1879-1 Siskiyou Comment
  HSC61917  Hackelia micrantha Ruby Van Deventer 1937-7-24 Siskiyou Poker Flat 1585 Comment
  HSC77107  Hastingsia alba K. T. Stillman 1976-6-25 100 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UC1134651  Hastingsia alba H. S. Yates 1936-6-21 5822 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  CAS-BOT-BC504623  Hastingsia alba Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  POM208384  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mountains; Mt. Diablo Meridian 1524 Comment
  UC1212562  Hastingsia alba Francia Chisaki, Helen K. Sharsmith 1959-8-20 4734 Siskiyou divide between Scott River and East Fork Salmon River near Carrigher's Summit; Inner North Coast Ranges, Scott River, E Fk Salmon River 1981 Comment
  CHSC351  Helenium bigelovii V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC68169  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-18 4497 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC81982  Helenium bigelovii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4856 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  UC1282032  Helenium bigelovii Louise Kellogg Aug 8 1953-Aug 9 1953 122 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  UC1313024  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou lower Red Rock Valley Marble Mountain Wilderness Area (in vicinity of cabin) 1493 Comment
  UC469031  Helenium bigelovii T. S. Brandegee 1892-7-1 Siskiyou Sisson Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  RSA105494  Helianthella californica var. nevadensis G. D. Barbe 1955-7-26 267 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  RSA17979  Helianthus bolanderi C. B. Wolf 1927-8-26 999 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC305570  Helianthus bolanderi Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Rogers Creek, Somes Bar Comment
  POM211774  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka. (Mt. Diable Mer.) 854 Comment
  HSC3682  Heliotropium curassavicum C. B. Wolf 1927-8-26 1057 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  HSC68002  Hemizonella minima J. P. Smith, Steve Selva 1970-6-16 3997 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  JEPS25817  Heracleum lanatum Geo. D. Butler 1908-8-4 463 Siskiyou Shackleford Creek, Log Lake 1524 Comment
  CHSC23183  Hesperolinon micranthum Robert F. Thorne; Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  POM59065  Heterocodon rariflorum E. B. Copeland 1903-9-6 3847 Siskiyou Igerna. 1159 Comment
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  SEINET10972516  Heterocodon rariflorum Oettinger 1966-8-18 OETTINGER 1427 Siskiyou VIC. ENGLISH PEAK, MARBLE MTN WILDERNESS, N OF HORSE RANGE LAKE OUTLET ON MOSSY DRIPPING ROCKS Comment
  CAS-BOT-BC311088  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  CAS-BOT-BC420728  Heuchera cylindrica Elmer I. Applegate 1935-6-6 9356 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC22093  Heuchera merriamii J. O. Sawyer 1969-8-2 1707 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC420734  Heuchera merriamii G. Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  RSA0063201  Heuchera merriamii Gilbert Muth 1965-8-11 208 Siskiyou Marble Valley. Marble Mtns. Comment
  HSC64867  Heuchera micrantha J. P. Smith 1976-5-5 8695 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  RSA782326  Heuchera micrantha R. W. Spjut, Paul Burchstead 2008-6-12 16341 Siskiyou Klamath Region. Klamath National Forest: vicinity of Sawyers Bar along the North Fork of the Salmon River. Along south side of river just across the bridge south of paved road. 658 Comment
  SEINET12215277  Heuchera micrantha M. Ownbey, Meyer, F. G. 1940-1 2175 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  UC144318  Heuchera micrantha var. diversifolia A. A. Heller 1905-6-17 8060 Siskiyou near Sisson Comment
  SEINET10530975  Heyderia decurrens A. Arthur Heller 1915-8-26 Heller 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy. The principle tree is now Pseudotsuga with white fir. The original stand was Jeffrey pine. Common undershrubs are manzanita, Ceanothus and Pasania.3900 feet. 1190 Comment
  OBI53779  Hieracium albiflorum David J. Keil, Kathleen Keil 1992-7-19 23462 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  HSC39754  Hieracium bolanderi J. O. Sawyer 1969-8-1 1625 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  RSA183492  Hieracium gracile J. M. Tucker, L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1921 Comment
  JEPS95042  Hieracium greenei Vernon Oswald and Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat 3.9 mi s of Medicine Lake Road Grasshopper Flat; Forest Route 15 1700 Comment
  RSA237430  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou Next basin east of Salmander Lake Basin, region of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC74820  Hieracium horridum J. P. Smith, Jennifer Whipple 1978-7-2 9980 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC598534  Hieracium horridum C. Hart Merriam 1898-9-23 91 Siskiyou Head of Squaw Creek Mt. Shasta, Head of Squaw Creek 2804 Comment
  CAS-BOT-BC316008  Hieracium nudicaule Lewis S. Rose 1937-7-25 37590 Siskiyou S. slope of Mt. Shasta 1767 Comment
  SBBG8443  Hieracium scouleri H. and M. Dearing 1939-6-19 3683 Siskiyou high up French Crk Comment
  RSA238749  Hieracium scouleri Frederick W. Oettinger 1969-9-4 1642 Siskiyou Slope from Lily Pond to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC39818  Hieracium triste J. O. Sawyer 1969-8-2 1726 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  CAS-BOT-BC280779  Holcus lanatus W. B. Cooke; V. G. Cooke 1963-7-12 34340 Siskiyou Memorial Highway, Mt. Shasta Comment
  HSC100272  Holodiscus discolor J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13066 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC29376  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou SE side of Hancock Lake 1936 Comment
  HSC44722  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-18 2907 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC91  Holodiscus discolor William J. Ferlatte 1967-8-20 1044 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA449788  Holodiscus discolor Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  UC1409360  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC150144  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-12 9527 Siskiyou Between Capt. Jack's Ice Cave and Three Sisters, Lava Beds National Monument Comment
  UC1157301  Hordeum jubatum W. B. and V. G. Cooke 1966-7-17 37253 Siskiyou Widow Springs Mount Shasta, Widow Springs 1524 Comment
  JEPS95829  Horkelia daucifolia Vernon H. Oswald and Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn., on road 41N03, 0.2 mi SE of Gazelle-Callahan Hwy. 1508 Comment
  UC1034639  Horkelia daucifolia Milo S. Baker 1955-6-25 13068 Siskiyou 2 mi s Hazelle (on Hwy 99, near type locality) 914 Comment
  UC163747  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou 1219 Comment
  JEPS47183  Horkelia fusca subsp. parviflora W. L. Jepson 1940-7-3 20117 Siskiyou about 5 mi se Bartle (Large meadow.); Big Bear Flat 1219 Comment
  JEPS74530  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-6-22 69 Siskiyou near public camp; Big Flat 1524 Comment
  RSA211182  Horkelia fusca subsp. parviflora William J. Ferlatte 1966-8-3 250 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA3819  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  SBBG15762  Horkelia fusca var. parviflora D. Myrick 1961-6-20 286 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UCSB63906  Horkelia fusca var. parviflora Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31 1463 Comment
  CAS-BOT-BC514281  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42689 Siskiyou Andesite road, 0.5 mi above US-97, Mt. Shasta. 1371 Comment
  CAS-BOT-BC514283  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  JEPS69758  Horkelia tridentata W. B. and V. G. Cooke 1972-7-6 45457 Siskiyou along Mud Creek Dam Road Mt. Shasta 10 Comment
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  HSC45034  Horkelia tridentata var. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou Along Cedar Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC201123  Hosackia crassifolia Alice Eastwood 1912-7-15 111 Siskiyou Mc Cloud [McCloud] Comment
  CAS-BOT-BC201121  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  UCD106152  Hosackia oblongifolia R. Tofsrud; J. M. Tucker 1948-8-3 1777 Siskiyou 3 miles (by road) below summit of Happy Camp -- Waldo (Oregon) road. Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  SBBG30499  Hydrophyllum fendleri D. Myrick 1968-6-26 2027 Siskiyou upper end of Coffee Crk; Trinity Alps 1463 Comment
  JEPS117555  Hymenoxys lemmonii Lowell Ahart, John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  UC57395  Hymenoxys lemmonii J. G. Lemmon and wife 1889-7-26 Siskiyou Edgewood Comment
  HSC65494  Hypericum anagalloides R. White 1977-7-7 105 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  UC164264  Hypericum anagalloides Geo. D. Butler 1908-8-3 52 Siskiyou Shackleford Creek, Log Lake Comment
  JEPS66806  Hypericum formosum var. scouleri W. L. Jepson July, 1894 13961 Siskiyou Sisson Comment
  UC61161  Hypericum formosum var. scouleri W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt.Shasta, Sisson Comment
  JEPS66841  Hypericum perforatum W. L. Jepson 1940-7-3 20091 Siskiyou 6 mi. e. McCloud (half-way to McCloud by roadside, Fowlers Camp); McCloud R., Fowlers Camp 944 Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  UC774467  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 914 Comment
  SJSU2581  Ipomopsis aggregata H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1089 Comment
  UC455675  Ipomopsis aggregata I. J. Condit 1909-8-22 Siskiyou Sisson 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
  UCR47889  Ipomopsis aggregata Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CHSC26181  Ipomopsis aggregata subsp. formosissima J. P. Kroessig 1977-8-5 49 Siskiyou Roadside, s of jct of Everitt Memorial Hwy and McBridge Springs Campground access road, ca 4.5 km n of Mt Shasta City. 1460 Comment
  JEPS87632  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca. 5 mi. (air) n.w. McCloud (FS 31 0.6 mi. e. of Ski Park Hwy. (FS 88)) 1584 Comment
  RSA120872  Ipomopsis aggregata subsp. formosissima H. K. Wagnon 1957-8-11 s.n. Siskiyou East slope of Mt. Shasta, along Brewer Cr., 6 mi. W of Military Pass Rd. Comment
  JEPS109259  Ipomopsis congesta subsp. congesta D. W. Taylor 2002-7-29 18288 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  POM168907  Iris macrosiphon H. P. Chandler 1901-06 1570 Siskiyou Near Marble Mtn. 1829 Comment
  HSC27648  Iris tenuissima Carl W. Mize 1972-6-8 5 Siskiyou Along the main trail 328 Comment
  HSC42959  Iris tenuissima J. O. Sawyer, K. T. Stillman 1976-5-30 2756 Siskiyou Along Specimen Creek. 915 Comment
  CHSC96097  Isatis tinctoria L. P. Janeway 2006-7-3 8761 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  HSC47618  Isatis tinctoria J. P. Smith 1977-5-15 9071 Siskiyou Rd. 8, 1 mi. from junction with Hwy. 3 Comment
  JEPS13904  Isatis tinctoria unknown 1912-1 Siskiyou Comment
  RSA42021  Isatis tinctoria H. C. Cantelow 1936-5-20 1261 Siskiyou Near Fort Jones. Comment
  SEINET11971706  Isatis tinctoria M. Ownbey, Meyer, F. G. 1940-1 2208 Siskiyou Soap Ridge road, SW of Yreka Comment
  CHSC62520  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Above and south of Terrace Lake; headwaters of South Fork Sacramento River. 1941 Comment
  UCD19434  Isoetes echinospora Charlotte K. Glenn 1967-1 201 Siskiyou Castle Lake. 1584 Comment
  CAS-BOT-BC135372  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou Ridge of Marble Mountain - Marble Mts. 2194 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
  CHSC114171  Juglans hindsii R. E. Brainerd 2010-8-11 1739 Siskiyou Boles Creek in Weed between E, Lake Street and S. Weed Boulevard. UTM Zone 10 551456E 45888885820N 1048 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  HSC77295  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath River, N side of Independence Cr. Br. 290 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  JEPS67094  Juncus brachyphyllus Geo. D. Butler 1910-5-28 1422 Siskiyou Shasta Valley Comment
  RSA577437  Juncus bufonius var. bufonius L. C. Wheeler 1935-6-27 3616 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA577436  Juncus dubius L. C. Wheeler 1935-6-27 3619 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS66977  Juncus ensifolius Geo. D. Butler 1910-7-9 1734 Siskiyou Shackleford Creek 1219 Comment
  POM111089  Juncus ensifolius Geo D. Butler 1910-6-21 1596 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC127616  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA215589  Juncus mertensianus Gilbert Muth 1969-8-10 1325 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  CHSC40149  Juncus nevadensis L. P. Janeway 1983-9-11 685 Siskiyou At Poker Flat, on s side of meadow. 1524 Comment
  UC618859  Juncus orthophyllus unknown 1938-8-18 11470 Siskiyou Horse Camp Springs, along the Summit Trail Mount Shasta 2514 Comment
  HSC22234  Juncus parryi J. O. Sawyer 1968-9-9 663 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA233671  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38978 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2317 Comment
  CAS-BOT-BC279922  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, Cascade Range Highlands (CaRH) 1550 Comment
  CAS-BOT-BC81140  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  RSA697391  Juniperus communis W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  SBBG33704  Juniperus communis W. M. Plumb 1969-9-23 Siskiyou China Mtn above Caldwell Lakes 2438 Comment
  RSA159440  Juniperus communis var. montana G. A. Coleman 1901-8-16 s.n. Siskiyou Rocky ridge near head of Paulters Creek 2515 Comment
  UC202176  Juniperus occidentalis Geo. D. Butler 1909-12-10 1112 Siskiyou Klamath Hills Comment
  UC54251  Juniperus occidentalis H. M. Hall and E. B. Babcock 1903-6-1 4100 Siskiyou head Little Shasta Valley; Mount Shasta, Sheep Rock 1371 Comment
  NY20197  Juniperus occidentalis M. P. Anderson 1902-3-4 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  POM120195  Juniperus occidentalis var. occidentalis Geo D. Butler 1909-12-10 1108 Siskiyou Klamath hills Comment
  RSA105315  Juniperus occidentalis var. occidentalis Milo S. Baker 1955-6-26 13071 Siskiyou Highway 99, 2 miles south of Gazelle 915 Comment
  CAS-BOT-BC56360  Kalmia microphylla subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou Taylor Lake, Salmon Mts. 1950 Comment
  HSC83881  Kalmia polifolia K. Berg, Stephanie Bennett 1986-8-25 641 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC246177  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou Dunsmuir, along the road 640 Comment
  CAS-BOT-BC246181  Keckiella lemmonii Wm. Bridge Cooke 1941-8-28 16228 Siskiyou On bluff above big Squaw Valley Creek Spring above McCloud, Mount Shasta 1524 Comment
  CAS-BOT-BC246183  Keckiella lemmonii Nora Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  CDA3148  Kochia trichophylla Don Shaw 1971-9-19 Siskiyou South of Yreka 0 Comment
  RSA578033  Koeleria macrantha L. C. Wheeler 1935-6-30 3630 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC1409491  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-18 572 Siskiyou The High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness Area. On SW running ridge of Little Medicine Mt. due north of Tobacco Lake. 1920 Comment
  CAS-BOT-BC341695  Lagophylla ramosissima Carl B. Wolf 1927-8-26 1035 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC2259  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  RSA17698  Lappula occidentalis var. occidentalis Elmer I. Applegate 1935-6-5 9307 Siskiyou Capt. Jack s Stronghold, Lava Beds National Monument Comment
  SEINET7042823  Lathyrus lanszwertii var. aridus A. G. Vestal 1955-5-16 s.n. Siskiyou Open yellow pine area on a secondary road east of Route 99. Ca. 2,5 miles west of Weed. Weed quadrangle UTM Zone10, 547634mE, 4587138mN. Comment
  CDA17136  Lathyrus nevadensis G. F. Hrusa 2001-6-6 15850 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
  RSA126290  Lathyrus nevadensis subsp. lanceolatus I. L. Wiggins 1955-7-21 13427 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  POM29213  Lathyrus pauciflorus subsp. brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain. Comment
  UC1733731  Lathyrus vestitus Kay H. Beach, Frank Gould 1940-5-15 632 Siskiyou Bull Meadows Comment
  UC536682  Layia glandulosa D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne Weed 1097 Comment
  UC53792  Layia glandulosa H. M. Hall and E. B. Babcock 1903-6-1 4089 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley Comment
  RSA238362  Ledum glandulosum var. californicum Frederick W. Oettinger 1968-8-2 349 Siskiyou S & W sides of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  RSA715934  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  CHSC71567  Lepidium campestre Vernon H. Oswald; Lowell Ahart 1998-8-3 9404 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  JEPS19768  Lepidium campestre Rimo Bacigalupi with S. Galen Smith 1957-6-27 5968 Siskiyou about 1.5 mi w Weed (along U.S. Hwy 99) 992 Comment
  CDA36788  Lepidium campestre D. B. Joley 1976-5-13 11 Siskiyou Lake Siskiyou. 0 Comment
  RSA240050  Lepidium campestre Frederick W. Oettinger, R. F. Thorne 1969-8-5 1214 Siskiyou Young s Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1463 Comment
  HSC78075  Lepidium latifolium R. & G. Pederson 1980-8-12 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge 1238 Comment
  HSC40875  Leptosiphon nuttallii J. O. Sawyer 1973-7-18 2548 Siskiyou Little N Fork trail 1890 Comment
  HSC45976  Leptosiphon rattanii J. P. Smith 1973-5-5 6556 Siskiyou Scott Bar along the Scott River Comment
  JEPS96946  Lesquerella occidentalis subsp. occidentalis Dean W. Taylor 1997-6-11 16047 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  UC1223214  Lessingia ramulosa Joseph P. Tracy 1949-9-14 18552 Siskiyou 5 mi se Cecilville (at Summerville); South Fork of Salmon River 762 Comment
  HSC755  Leucothoe davisiae William J. Ferlatte 1967-7-26 739 Siskiyou Caribou Basin 1982 Comment
  RSA183694  Lewisia cotyledon Gilbert Muth 1965-8-5 306 Siskiyou Steep alpine slope, N slope of Marble Rim, near Black Mtn Comment
  CHSC99690  Lewisia cotyledon var. cotyledon L. P. Janeway 2008-7-24 9466 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  CAS-BOT-BC444046  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  RSA756241  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trial crossing of Route 17); about 8 air mile southwest of Weed. 2195 Comment
  UC796570  Lewisia rediviva Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11715 Siskiyou Schoolhouse Hill Plowman's Valley (Noyes Valley), e. fork of Scott River Comment
  HSC22268  Lewisia triphylla J. O. Sawyer 1969-7-3 1044 Siskiyou Near Lipstick Lake 1951 Comment
  RSA715805  Leymus cinereus L. Ahart, John Dittes 2005-6-10 12109 Siskiyou 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. 777 Comment
  SEINET10595829  Leymus cinereus Smith Smith s.n. Siskiyou Bray, Siskiyou COunty. Comment
  CAS-BOT-BC272172  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath Forest 518 Comment
  UCD65621  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou Along creek near Yreka. Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  SEINET10595920  Leymus triticoides Louis C. Wheeler 1935-7-13 Wheeler 3662 Siskiyou Dry silty loam. Ager. 792 Comment
  SEINET10531246  Libocedrus decurrens H. E. Brown 1897-7-1 Brown 507 Siskiyou North side Mt. Shasta. 5000-9000 feet. 1500 Comment
  CAS-BOT-BC436534  Ligusticum californicum A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  UCD127545  Ligusticum californicum A. A. Heller 1915-8-26 12237 Siskiyou Mount Eddy. 1828 Comment
  RSA453854  Ligusticum grayi M. B. Dunkle 1929-8-29 2392 Siskiyou Upper Rattlesnake Creek Comment
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May 7 2013
  RSA211340  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  CAS-BOT-BC509366  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509377  Lilium kelleyanum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC509381  Lilium kelleyanum Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC509383  Lilium kelleyanum John Thomas Howell 1937-7-21 13191 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC130814  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  HSC96290  Lilium pardalinum subsp. shastense Gordon Leppig 1998-8-13 1006 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC133028  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Grass Pass 1676 Comment
  RSA237901  Lilium washingtonianum subsp. purpurascens Frederick W. Oettinger 1969-7-31 1116 Siskiyou Northwest of English Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SJSU6496  Lilium washingtonianum subsp. purpurascens R. W. Trivelpiece 1972-6-24 129 Siskiyou near Slater Butte 3 mi E of Klamath River c. 7 mi N of Happy Camp 1158 Comment
  CAS-BOT-BC133095  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-8-28 1950 Siskiyou Cantara Comment
  UC726828  Linanthus ciliatus A. A. Heller 1938-7-12 15247 Siskiyou 5 mi n Weed (along U.S. Highway 97) Comment
  UCD118736  Linanthus pungens P. Quentin Tomich 1954-6-29 437 Siskiyou Schonchin Well, Lava Beds National Monument. 1356 Comment
  UCD123898  Linaria dalmatica subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Road. Comment
  CDA6300  Linaria genistifolia subsp. dalmatica William J. Ferlatte 1971-6-28 Siskiyou Side of alley behind 22 Minnesota Street, McCloud. 0 Comment
  CAS-BOT-BC240384  Linnaea borealis subsp. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill Comment
  HSC44590  Linnaea borealis subsp. longiflora Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  HSC586  Linum lewisii William J. Ferlatte 1967-7-8 668 Siskiyou Near Le Roy Mine 2104 Comment
  UCD77828  Listera convallarioides Robert E. Preston 2001-6-30 1636 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  UC1045211  Lithocarpus densiflorus var. echinoides unknown 1940-6-6 15031 Siskiyou along the Castle Lake Road Comment
  HSC78223  Lithophragma campanulatum L. P. Janeway 1983-8-6 503 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  HSC44954  Lithophragma glabrum J. O. Sawyer 1978-6-16 3219 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC41474  Lithophragma heterophyllum Ed Cope 1977-7-16 129 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  SEINET6032583  Lithophragma parviflorum G. D. Butler 1910-5-8 1307 Siskiyou Near Yreka Comment
  SEINET10591981  Lolium perenne George D. Butler 1910-6-15 Butler 1563 Siskiyou Damp land near Yreka. Comment
  RSA603010  Lolium perenne subsp. multiflorum L. C. Wheeler 1935-6-2 3544 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  HSC39659  Lolium temulentum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5740 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CHSC118451  Lomatium Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -031 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539279m E, 4587169m N. 1506 Comment
  JEPS16239  Lomatium dissectum var. dissectum Geo. D. Butler 1909-5-8 746 Siskiyou Yreka hills Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  RSA184693  Lomatium dissectum var. multifidum Gilbert Muth 1966-7-25 447 Siskiyou Marble Mountain Lookout, Marble Mountains 2098 Comment
  RSA237414  Lomatium dissectum var. multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1186 Siskiyou W-facing slope on E side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1527502  Lomatium engelmannii Thomas Nelson and Jane Nelson 1979-5-26 4712 Siskiyou ca.3 mi N of Scott Mountain summit (along State Route 3, at jct of Frorest Service Rd. 40N03) Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  CHSC88401  Lomatium nudicaule Jenny Marr 1993-7-1 160 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC43384  Lomatium nudicaule Maralyn O'Meara 1974-5-26 460 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  RSA105399  Lomatium nudicaule G. D. Barbe 1955-7-5 112 Siskiyou 1 mile north of Etna on the middle valley road 884 Comment
  JEPS91124  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  HSC19258  Lonicera ciliosa J. O. Sawyer 1969-6-11 869 Siskiyou Miner's Campground. Comment
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Feb 5 2013
  HSC22218  Lonicera conjugialis J. O. Sawyer 1969-7-7 1082 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  RSA238538  Lonicera conjugialis Frederick W. Oettinger 1969-8-7 1275 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  UC1037476  Lonicera conjugialis Douglas Barbe 1955-7-6 130 Siskiyou se shore Taylor Lake; Klamath Mountains, Salmon Mtns. 1950 Comment
  RSA537277  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-18 4602 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  CAS-BOT-BC240842  Lonicera interrupta L. E. Detling 1950-6-10 6618 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CAS-BOT-BC240849  Lonicera interrupta Lewis S. Rose 1945-6-18 45128 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC243922  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  CAS-BOT-BC200969  Lotus Elmer I. Applegate 1895-5-30 953 Siskiyou Sisson Comment
  RSA79001  Lotus crassifolius E. K. Balls, Percy C. Everett, B. K. Balls 1952-10-13 18189 Siskiyou 0.8 mi. n. of Castle Lake, rd. to Mt. Shasta (the town). 1524 Comment
  UC917242  Lotus nevadensis var. nevadensis R. Tofsrud and J. M. Tucker 1948-8-2 1756 Siskiyou outskirts of McCloud McCloud Comment
  SFV5182  Lotus oblongifolius B. C. Templeton 1960-6-21 8558 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  RSA281673  Lotus oblongifolius S. O. Mattoon 1978-7-23 119 Siskiyou Wright Lakes Trail, 11 air mi. W of Fort Jones, Marble Mts. 1982 Comment
  UC163678  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek Comment
  RSA592525  Lotus unifoliolatus S. O. Mattoon 1978-5-29 6 Siskiyou Klamath N. F.; Elliott Creek. 915 Comment
  HSC2119  Lotus unifoliolatus var. unifoliolatus C. B. Wolf 1927-8-26 997 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC140207  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  HSC61603  Luetkea pectinata Ruby Van Deventer 28 Aug [year missing] Siskiyou Lookout Mtn. Comment
  UC166114  Luetkea pectinata Geo. D. Butler 1908-8-5 223 Siskiyou summit above Cold Spring; West Fork Wooley Creek Comment
  RSA11951  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3853 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  RSA60786  Lupinus albicaulis var. shastensis Dorothy Parker 180 -A Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  CAS-BOT-BC195965  Lupinus albifrons var. albifrons K. L. Chambers 1967-6-22 2850 Siskiyou About 500 ft above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CHSC32924  Lupinus albifrons var. flumineus J. P. Smith 1974-5-26 7390 Siskiyou Along F.S. road 47N03. 1524 Comment
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Feb 26 2013
  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
  UC1542837  Lupinus andersonii K. Morris, Dunn and Kenney 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Highway 89. Comment
  RSA237946  Lupinus andersonii var. andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Crapo View Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SEINET10484722  Lupinus arbustus subsp. silvicola Katherine L. Morris 1973-5-25 Morris 280 Siskiyou 4.2 miles ne of the junction of hwy 5 and 97 on hwy 97 in an area of purshia, Artemisia, sparse yellow pine, and arctostaphylos Comment
  CAS-BOT-BC196695  Lupinus breweri var. breweri Elmer I. Applegate 1923-9-7 3967 Siskiyou Dry Lake Lookout Station, Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC215176  Lupinus croceus M. L. Conrad; LeDoux; Kenney 1973-6-2 6988 A Siskiyou 17.4 miles NE of Cecilville Store, on road to Callahan 2072 Comment
  HSC23655  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou On C.C.C. Rd. N of Wildcat Creek 1463 Comment
  POM24889  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  CAS-BOT-BC8339  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  POM10806  Lupinus leucophyllus C. F. Baker 1903-7-14 3518 Siskiyou Klamathon Comment
  POM26762  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River. Comment
  UC1333309  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou along the Etna-Callahan road Scott Valley 868 Comment
  RSA104328  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou A short distance below Horse Camp, Mt. Shasta. Comment
  UCD109311  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou a short distance below Horse Camp, Mt. Shasta; near the upper limit of the Canadian zone. Comment
  RSA120853  Lupinus obtusilobus H. K. Wagnon 1957-8-11 1688 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  JEPS65410  Lupinus onustus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  HSC32760  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou W of English Lake 1799 Comment
  RSA582428  Lupinus rivularis Louis C. Wheeler 1935-7-23 3679 Siskiyou Head W. Fk. Beaver Creek. 1646 Comment
  RSA582436  Lupinus rivularis Louis C. Wheeler 1935-7-26 3707 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  SEINET10937145  Lupinus sellulus var. lobbii Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2808 Siskiyou 3 mi n of weed, on u.s. Hwy 97. S-facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata, and purshia. 1128 Comment
  SEINET10490890  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4415 Siskiyou Edgewood. Comment
  HSC66255  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou SE edge of Flint Valley. 1390 Comment
  SEINET10491001  Lupinus vallicola subsp. vallicola Katherine L. Morris Morris s.n. Siskiyou Found along roadside .7 mi s of jct at etna rd on hwy 3. Comment
  RSA105328  Luzula divaricata G. D. Barbe 1955-8-1 326 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  UC909343  Luzula macrantha Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmel Lake, ca 1.5 mi E of Scott Mountain Road 1737 Comment
  HSC670  Luzula parviflora William J. Ferlatte 1967-7-9 687 Siskiyou Kidd Creek Trail 1890 Comment
  RSA238897  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC618822  Luzula subcongesta W. Bridge Cooke 1938-8-18 11476 Siskiyou Mount Shasta, Horse Camp Springs, along the summit trail Horse Camp Springs; Mount Shasta, Horse Camp Springs 2514 Comment
  POM210923  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  RSA0015089  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  UC163701  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  SEINET516145  Machaeranthera canescens var. shastensis Vernon H. Oswald 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-sourthwest of Hambone Butte, ca 30 air mi north of Burney. 1311 Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  CAS-BOT-BC344019  Madia elegans L. B. Kildale 1930-6-1 9738 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CAS-BOT-BC344012  Madia elegans Elmer I. Applegate 1923-9-7 3946 Siskiyou Klamath River at mouth of Doggett Creek. (Doggett Creek = Shovel Creek) Comment
  SEINET11601350 Image available Madia elegans G. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  CAS-BOT-BC334666  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  JEPS40350  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sissons to Simms; Region of the Upper Sacramento Comment
  JEPS40352  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  RSA605520  Mahonia aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Salmon and Marble Mountains Region: Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  RSA78676  Mahonia nervosa P. A. Munz 1952-7-1 17868 Siskiyou Baldy Mt. road n.w. of Happy Valley, Siskiyou Mts. 1220 Comment
  RSA285715  Mahonia nervosa D. C. Michener 1980-8-3 3766 Siskiyou Along Sulpher Creek below the Sulpher Creek forest service campground (& hot springs). Comment
  HSC18981  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-8-4 1923 Siskiyou South Sugar Creek 2043 Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  JEPS93957  Malva neglecta Vernon H. Oswald and Lowell Ahart 1998-9-16 9643 Siskiyou 5.9 mi e of Highway 97 (Highway 161 at the Lower Klamath National Wildlife Refuge) 1243 Comment
  CAS-BOT-BC67848  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  JEPS83999  Melica bulbosa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6382 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  SEINET4671564  Melica bulbosa G. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  HSC69248  Melica subulata Maralyn A. Renner 1980-7-24 2064 Siskiyou Lily Pad Lake 1768 Comment
  UC375407  Melilotus albus Geo. D. Butler 1908-7-8 1037 Siskiyou near Yreka (along creek) Comment
  UC61180  Mentzelia dispersa W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  UC618717  Mentzelia dispersa W. B. Cooke 1937-7-23 9127 Siskiyou Sisson Southern Trail Chaparral Mount Shasta Comment
  HSC63288  Mentzelia laevicaulis M. A. Baker 1979-7-28 1063 Siskiyou 9 km S of Little Grider Creek, along Hwy. 96 Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  JEPS20796  Menyanthes trifoliata Willis L. Jepson Jul 24 1894-Aug 10 1894 14643 Siskiyou near Sisson (Upper Sacramento Region); Upper Sacramento Region Comment
  CAS-BOT-BC428555  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. divide above Granite Creek. Comment
  LA208998  Micranthes tolmiei Lincoln Ellison; 1928-9-11 506 Siskiyou Mount Shasta, SW slope of mtn 2895 Comment
  CAS-BOT-BC348422  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  UC166150  Micropus californicus var. californicus Geo. D. Butler 1909-5-30 990 Siskiyou near Yreka Comment
  CAS-BOT-BC349105  Microseris douglasii subsp. tenella Katharine Brandegee No date on label s.n. Siskiyou Sissons Comment
  UC133485  Microseris laciniata subsp. laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  HSC46054  Microsteris gracilis Maralyn O'Meara 1974-5-25 421 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC61903  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC164368  Mimulus breweri Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake Shackleford Creek 1371 Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  JEPS80572  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  RSA609081  Mimulus kelloggii Louis C. Wheeler 1935-4-16 3422 Siskiyou Soap Creek, Siskiyou Mtns. 1037 Comment
  UC445160  Mimulus layneae W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  HSC99273  Mimulus layneae D. M. Thompson 1989-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi. N of I-5 interchange along N part of Truck Village Dr. (E side of I-5) 1201 Comment
  JEPS98799  Mimulus microphyllus Sue Pappalardo 1993-7-20 490 Siskiyou about 3 mi NE of Bear Mountain Lookout (Caribou wells, E of Forest Service highway 24 (40N24Y)); Shasta Trinity National Forest, McCloud Ranger District Comment
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  POM43511  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake, Shackleford Creek. Comment
  JEPS109691  Mimulus nanus Dean W. Taylor 2002-6-10 18131 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek at the junction of Forest Road 40N40 with xxNxx 1005 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  JEPS86951  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  UC725906  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mi s Bray 1402 Comment
  RSA101711  Mimulus primuloides C. Hart Merriam 1898-09 s.n. Siskiyou Wagon Camp. Comment
  RSA771671  Mimulus primuloides A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CDA41829  Mimulus primuloides var. linearifolius T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC388885  Minuartia douglasii John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53439 Siskiyou Slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC105083  Minuartia nuttallii subsp. gregaria R. C. Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  UC454228  Minuartia nuttallii subsp. gregaria I. J. Condit 1911-7-28 Siskiyou ridge <from> Castle Lake to Mt. Bradley; Shasta Retreat 1981 Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  NY342563  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou Along south side of State Route 3; 3.1 miles north of Scott Mountain Pass 1219.2 Comment
  RSA47645  Mirabilis greenei Roxana S. Ferris, L. Lorraine 1948-6-12 s.n. Siskiyou Willow Creek, foot of Gazelle Mountain Grade Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  UC30026  Mitella diversifolia Harley P. Chandler June, 1901 1555 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC433062  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  HSC61860  Moehringia macrophylla Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC221816  Monardella odoratissima Elmer I. Applegate 1935-6-8 9432 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  HSC75133  Monardella odoratissima J. P. Smith, Thomas W. Nelson 1979-6-16 10134 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  UCD125179  Monardella odoratissima Dr. Eckert 1934-8-2 s.n. Siskiyou exact location unknown. 1828 Comment
  SEINET3152593  Monardella odoratissima subsp. glauca G. B. Grant 796 Siskiyou Mount Shasta. 2438 Comment
  SEINET844328  Monardella odoratissima subsp. glauca Marion Ownbey, Fred G. Meyer 1940-1 2182 Siskiyou in sandy soil in open meadow well below timber line on east side of Mt. Shasta Comment
  HSC2412  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn. 2470 Comment
  SEINET3996791 Image available Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  RSA238543  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1968-8-11 475 Siskiyou SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SEINET11263741  Monardella sheltonii Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 696 Siskiyou Along Forest Road 26 to Lake Siskiyou outside of Mt Shasta City.; 0 1270 Comment
  CAS-BOT-BC220225  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath National Forest. Klamath R. near Dutch Cr. 670 Comment
  CAS-BOT-BC220236  Monardella sheltonii Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  CAS-BOT-BC220266  Monardella sheltonii Dr. E. B. Copeland 1903-6-7 3497 Siskiyou Hornbrook Comment
  CHSC67988  Monardella siskiyouensis David Biek 1988-7-13 Siskiyou Junction of Interstate 5 and Hwy. 96, 10 mi N of Yreka. 609 Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  UC1733723  Montia linearis Kay H. Beach, Frank Gould 1940-5-15 627 Siskiyou Bull Meadows Comment
  CDA23981  Montia linearis Don Shaw 1974-5-14 Siskiyou Emigrant Creek Ranches, Greenview, Quartz Valley. 0 Comment
  NY342246  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  JEPS121620  Muhlenbergia andina 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. SW aspect. Mount Eddy quadrangle. TL04A Comment
  UCD86501  Muhlenbergia andina R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  HSC65681  Muhlenbergia filiformis Donald W. Miles 1979-7-25 19 Siskiyou 3/4 way up Shirttail Canyon near Black Fox Mtn. on logging spur 20 miles NE of McCloud. Comment
  JEPS25665  Muhlenbergia filiformis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7308 Siskiyou 4 air-line mi nne Preston Peak (meadow, just e of Del Norte Co. line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  RSA12631  Muhlenbergia filiformis C. B. Wolf 1934-7-4 5954 Siskiyou 6 8/10 miles from Dry Lake Lookout on road to Horse Creek. Siskiyou Mountains. 1829 Comment
  UC1625408  Muhlenbergia filiformis F. W. Oettinger 1968-8-22 592 Siskiyou on ridge between Diamond Lake and English Peak; Salmon Mountains 2194 Comment
  SEINET515840  Muhlenbergia jonesii Vernon Oswald 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  HSC22181  Muhlenbergia montana J. O. Sawyer 1969-7-25 1532 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS101568  Myosotis laxa Dean W. Taylor 1999-8-12 17321 Siskiyou headwaters of South Fork Hungry Creek, 5 miles Southwest from Hilt 1402 Comment
  JEPS1360  Nama lobbii W. L. Jepson 1940-6-30 20071 Siskiyou 6 mi e McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp, e of McCloud 944 Comment
  JEPS1363  Nama lobbii Milo S. Baker 1893-6 Siskiyou s base Mt. Shasta Comment
  UC1045266  Nama lobbii W. Bridge Cooke 1940-6-6 15045 Siskiyou in open places along the Castle Lake Road (in the brush fields); along Castle Lake Road Comment
  SEINET10497076  Nama lobbii Mary Susan Taylor 1980-8-18 Taylor 3256 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  HSC19230  Navarretia capillaris J. O. Sawyer 1969-7-1 987 Siskiyou Above Paynes Lake Creek 1951 Comment
  UC101970  Navarretia intertexta H. E. Brown Jun 11 1897-Jun 16 1897 301 Siskiyou n side Mt. Shasta 1524 Comment
  POM312620  Navarretia sinistra H. L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake, in forested hills Comment
  CAS-BOT-BC230561  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  POM73591  Nemophila parviflora var. austiniae Geo. D. Butler 1910-04 1231 Siskiyou Quartz Valley. Comment
  UCD119923  Nemophila parviflora var. austiniae J. M. Tucker 1963-7-5 3709 Siskiyou South Russian Creek (a tributary of the Salmon River), ca. 3 miles (airline) east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC77354  Nicotiana acuminata var. multiflora L. P. Janeway 1983-7-30 467 Siskiyou Near S side of Klamath River, 3 mi. E of Copco Lake (River Access No. 4) 777 Comment
  SEINET1004225  Nicotiana attenuata Mark Fishbein, Lane Greer 2006-1 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi north-northeast of Medicin Lake. 1650 Comment
  HSC36695  Oemleria cerasiformis Brent Whitely 1975-6-21 9 Siskiyou 223 Comment
  UCD127737  Oenanthe P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  CDA38151  Oenothera deltoides subsp. piperi T. C. Fuller 1960-6-3 4647 Siskiyou Mt. Hebron Road & Highway 97, 2 miles west of Mt. Hebron. 0 Comment
  RSA128657  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris Comment
  HSC29218  Oreostemma alpigenum var. andersonii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1180 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  JEPS121625  Oreostemma alpigenum var. andersonii 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
  UC1222992  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1949-9-16 18571 Siskiyou on the road between Callahan and Trinity Center Scott Mountain 1615 Comment
  HSC91959  Orobanche uniflora Jennifer Whipple 1976-6-23 1111 Siskiyou Mt. Eddy: E and S-facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC29321  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Marble Mtn. Wilderness Area, N facing wooded slope leading down from Little Hancock Lake to Hancock Lake 1982 Comment
  CAS-BOT-BC458086  Orthilia secunda Doris K. Kildale 1929-8-24 8831 Siskiyou Preston Peak 2225 Comment
  RSA0083191  Orthilia secunda M. S. Baker 131 Siskiyou Hillside S.W. of Medicine Lake. Comment
  CAS-BOT-BC266615  Orthocarpus cuspidatus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1755 Siskiyou 2.5 miles NW of Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  CAS-BOT-BC266622  Orthocarpus cuspidatus James L. Reveal; Mark L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road, Forest Service Road 40S01, 0.6 mile N of the turnoff to Deep Camp and about 2.7 miles SE of Dry Lake Lookout Comment
  JEPS4545  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1937-7-29 13653 Siskiyou Scott Mountain; between Trinity and Siskiyou Counties Comment
  HSC60387  Orthocarpus cuspidatus subsp. copelandii Carl Wishner 1978-8-1 555 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtns. Wilderness Area 1829 Comment
  UC903488  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou near Beswick (Shovel Creek); , near Beswick 1011 Comment
  JEPS25816  Osmorhiza berteroi Geo. D. Butler 1908-8-7 462 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  RSA459006  Osmorhiza berteroi M. B. Dunkle 1944-6-25 9008 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA459007  Osmorhiza berteroi M. B. Dunkle 1944-7-15 9100 Siskiyou Siskiyou National Forest. Comment
  UC1400369  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e bank, trail side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UCD111336  Oxalis trilliifolia J. M. Tucker 1974-7-28 4331 Siskiyou 1 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC413217  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  HSC41810  Oxyria digyna Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UC922364  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-22 5836 Siskiyou trail to Kings Castle Paradise Lake (Marble Mountains); , Paradise Lake 1996 Comment
  UCR37815  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC316749  Packera cana Elmer Ivan Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mt., east of Medicine Lake, Siskiyou Co. 2438 Comment
  UC1234603  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou U.S. Highway 97 8.3 mi n Weed Comment
  POM210931  Parnassia californica Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  UC1280891  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Mt. Shasta City Comment
  UC1490299  Paxistima myrsinites Rolf Y. Berg 1980-6-24 Siskiyou 0.5 mi. below Castle Lake (Castle Lake Rd. w. of Dunsmuir) Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  HSC293  Pedicularis attollens William J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin 1982 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
  HSC36885  Pedicularis densiflora J. P. Smith 1974-5-26 7547 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS84020  Pedicularis howellii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6427 Siskiyou 5 mi n of the town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  JEPS3358  Pedicularis racemosa Geo. D. Butler 1908-8-3 99 Siskiyou Shackleford Creek; Log Lake 1371 Comment
  JEPS84022  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC60796  Pedicularis racemosa Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS11898  Pedicularis racemosa Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4783 Siskiyou at summit of road between Takilma and Happy Camp (exactly at boundary of Siskiyou and Klamath National Forests) 1554 Comment
  POM208356  Pedicularis racemosa Louis C. Wheeler 1934-6-7 2659 Siskiyou North Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1311 Comment
  SEINET13751981  Pedicularis racemosa G. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek Comment
  CHSC118024  Pedicularis racemosa var. racemosa K. M Meyer; A. Townesmith 2007-7-31 181 Siskiyou Shasta Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. Coniferous forest, steep rocky slope, small waterfall. 1607 Comment
  POM126840  Pedicularis semibarbata Milo S. Baker 1898-8-9 482 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  HSC61871  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  JEPS84078  Penstemon azureus L. R. Heckard with J. Hickman et al. 1986-7-17 6512 Siskiyou n slope of Condrey Mt. 1960 Comment
  CAS-BOT-BC265375  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  JEPS8101  Penstemon davidsonii var. davidsonii W. L. Jepson 1894-8-4 21412 Siskiyou Mt. Shasta above timber line; Mt. Shasta, above timber line Comment
  UC1037430  Penstemon davidsonii var. davidsonii Douglas Barbe 1955-8-1 324 Siskiyou Mount Bolivar, summmit Scott Mountains 2468 Comment
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Mar 6 2013
  CHSC91544  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. Flats at end of Scott R. Bridge. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  HSC76743  Penstemon deustus K. T. Stillman 1976-7-15 265 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC21012  Penstemon deustus D. M. Thomson 1965-8-7 179 Siskiyou Lava Beds National Monument, 1 mi. up cave loop road Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  JEPS11235  Penstemon deustus var. deustus W. L. Jepson July, 1894 21421 Siskiyou n Sisson (Muir Peak (Black Butte)); , n of Sisson Comment
  UC565603  Penstemon deustus var. pedicellatus H. L. Mason 1931-5-9 5862 Siskiyou Shasta Creek Comment
  CHSC99720  Penstemon deustus var. suffrutescens L. P. Janeway 2008-7-24 9489 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. A little over the edge, southeast-facing slope, next to rock outcrop. 2050 Comment
  UC164253  Penstemon deustus var. suffrutescens Geo. D. Butler 1910-5-25 1404 Siskiyou dry land near Yreka; Dry land near Yreka Comment
  SFV17484  Penstemon gracilentus P. Wilson 1998-7-21 3542 dup. Siskiyou Mount Shasta. Sand Flat. 2073 Comment
  NY600699  Penstemon gracilentus K. A. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  NY600701  Penstemon gracilentus K. A. Vincent 1987-8-12 4512 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  NY600747  Penstemon gracilentus D. D. Keck 1938-7-22 11332 Siskiyou Along the Sisson Southern Trail. Canadian Zone. Comment
  JEPS116586  Penstemon humilis var. humilis Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -015 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N15 unburned area within Hotlum Fire perimeter burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1219 Comment
  UCD124285  Penstemon laetus R. Tofsrud; J. M. Tucker 1948-8-3 1781 Siskiyou Del Norte-Siskiyou County line: summit of Happy Camp-Waldo (Oregon) road. 1554 Comment
  UCR37542  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  SD98974  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 mi. SE of Granada 1219 Comment
  RSA165524  Penstemon laetus var. sagittatus Clare B. Hardham 1961-6-30 8120 Siskiyou Near White Mt. Comment
  UC1238952  Penstemon laetus var. sagittatus Freed W. Hoffman 1948-7-8 2566 Siskiyou on Klamath River road 19.7 mi e Happy Camp; North Coast Ranges, Klamath River Road Comment
  UC774517  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou on U.S. Highway #97 at junction with rd to Montague 12 mi ne Weed; sw end Little Shasta Valley, ne of Weed 914 Comment
  UC775002  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou on U.S. Highway #97 at junction with rd to Montague 12 mi ne Weed; sw end Little Shasta Valley, ne of Weed 914 Comment
  SD42556  Penstemon newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou SW. side of Mt. Shasta, I(c) mi. S. of trail to horse camp 1524 Comment
  HSC19141  Penstemon newberryi subsp. berryi J. O. Sawyer 1969-7-7 1067 Siskiyou NE facing lower slope above Little Duck Lake 2049 Comment
  RSA101647  Penstemon newberryi subsp. newberryi Lilla Leach 1934-6-26 4872 Siskiyou Poker Flat. Comment
  CAS-BOT-BC94463  Penstemon newberryi var. berryi R. C. Wenk 2005-7-19 321 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  UC1585379  Penstemon newberryi var. newberryi R. Raiche 1989-9-7 90321 Siskiyou ca 6 km beyond McBride Spring (Mt. Shasta); , beyond McBride Spring 1385 Comment
  UC335593  Penstemon newberryi var. newberryi unknown Aug. 1878 Siskiyou Shasta Comment
  UC696739  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (W flank of Mt. Shasta); Sierra Nevada 1609 Comment
  CHSC31045  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou On ridge s of Castle Lake, above Hearts lake. 1879 Comment
  CHSC114659  Penstemon parvulus J. Kierstead 1990-7-18 90 -108 Siskiyou Shasta-Trinity National Forests. Forest Service Rd. 40N26 at Gumboot/Mumbo Basin pass. 1950 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  POM42967  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek. 1372 Comment
  RSA238755  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1967-7-20 178 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  HSC29292  Penstemon procerus var. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou Marble Mtn. Wilderness Area, W end of Hancock Lake 1936 Comment
  CAS-BOT-BC94403  Penstemon purpusii R. C. Wenk 2005-7-15 201 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  HSC43858  Penstemon roezlii Maralyn O'Meara 1974-5-25 368 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS11515  Penstemon roezlii Geo. D. Butler 1909-6-22 933 Siskiyou Goosenest Mountain Comment
  UC909324  Penstemon roezlii Dorothy Parker 1948-6-14 Siskiyou Rail Creek , Rail Creek (Plowman's Valley) 1203 Comment
  CAS-BOT-BC239431  Penstemon rydbergii var. oreocharis Peter Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Hwy 97 Comment
  UC887140  Penstemon rydbergii var. oreocharis A. A. Heller 1938-7-13 15269 Siskiyou along hwy #97 just s Bray; s of Bray 1402 Comment
  JEPS11387  Penstemon speciosus Geo. D. Butler 1908-6-25 430 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC585120  Penstemon speciosus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1882 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); n slopes Mt. Shasta 1249 Comment
  SEINET12267134  Penstemon speciosus H. M. Hall, Babcock, E. B. 4071 Siskiyou Mount Shasta, above Sisson 1067 Comment
  UC165309  Perideridia gairdneri subsp. borealis Geo. D. Butler 1910-8-28 1856 Siskiyou Quartz Valley Comment
  SEINET11154191  Perideridia gairdneri subsp. borealis G. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain. 1219 Comment
  HSC4832  Perideridia gairdneri subsp. gairdneri J. O. Sawyer 1968-9-10 688 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  UC1446414  Perideridia oregana Laura Witherspoon 1980-9-17 124 Siskiyou Oak Knoll Ranger District 762 Comment
  RSA459114  Perideridia oregana L. C. Wheeler 1935-6-29 3622 Siskiyou Yreka 808 Comment
  SEINET13944986 Image available Perideridia oregana L. Constance, T. I. Chuang, Fei, Mei Chuang, and M. Sousa S. 1966-1 3767 Siskiyou US Hwy 99W, 1.5 mi N of Edgewood turnoff, open rocky adobe pastured flat, alt. 300 ft 91 Comment
  SEINET7929362  Perideridia oregana L. Constance, T. I. Chuang; Fei-Mei Chuang; M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff.; 0 91 Comment
  HSC26898  Perideridia parishii subsp. latifolia J. P. Smith, J. O. Sawyer 1971-9-17 4780 Siskiyou Little Duck Lake Comment
  JEPS81802  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6832 Siskiyou [road from Callahan to Trinity Center] road summit 1/4 mi n Scott Mtn. road summit; n of Scott Mtn., below Darlingtonia bog 1615 Comment
  RSA459100  Perideridia parishii subsp. latifolia M. B. Dunkle 9348 Siskiyou [Unspecified] 2439 Comment
  UCD77912  Perideridia parishii subsp. latifolia Robert E. Preston 2001-8-26 1757 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1877 Comment
  CAS-BOT-BC423348  Peritoma platycarpa Geo. D. Butler 1910-5-11 1335 Siskiyou Shasta Valley Comment
  UCD99566  Persicaria maculosa Morris Halperin 1930-7-11 4 Siskiyou Eureka. Comment
  UC673182  Phacelia Lincoln Constance and Reed C. Rollins 1942-5-14 2928 Siskiyou 4 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  HSC75158  Phacelia greenei Unknown Siskiyou 1433 Comment
  CDA12115  Phacelia hastata G. F. Hrusa 1990-4-2 7839 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  UC144627  Phacelia hastata A. A. Heller 1905-6-20 8080 Siskiyou Gazelle Comment
  UC1228342  Phacelia hastata L. R. Heckard 1956-8-7 830 Siskiyou near Dear Mt. Lodge (w flank of mt.); Deer Mt. 1432 Comment
  UC794431  Phacelia hastata subsp. compacta W. Bridge Cooke 1949-8-22 25560 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  UC1471541  Phacelia hastata subsp. compacta C. Hart Merriam 1898-8-3 Siskiyou head of Squaw Creek Mt. Shasta Comment
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Sep 19 2006
  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
  JEPS2089  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-8-8 408 Siskiyou summit s Marble Mtn. 1828 Comment
  RSA789606  Phacelia heterophylla subsp. virgata R. W. Spjut, Paul Burchstead 2008-6-10 16337 Siskiyou Cascade Mountains. Just north of Mt. Shasta City along old highway west of I-5. 1158 Comment
  HSC42397  Phacelia heterophylla subsp. virgata Rich White 1977-5-21 72 Siskiyou Junction of Miners Creek Rd. and Rd. 8 , 5.5 mi. W of Callahan. Comment
  POM252978  Phacelia heterophylla subsp. virgata A. A. Heller 1938-7-12 15256 Siskiyou Near the western base of Deer Mountain on Highway 97. Comment
  UC1017763  Phacelia mutabilis C. L. Hitchcock 1954-6-22 20227 Siskiyou 1 mi w Somes Bar (on road to Camp Three) Comment
  UCD120644  Phacelia mutabilis J. M. Tucker 1950-7-24 1954 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  HSC86532  Phacelia mutabilis D. K. Imper 1987-6-9 Siskiyou 8 mi. E of Somes Bar, vicinity of Hanpress Meadows 1372 Comment
  HSC27678  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 35 Siskiyou Along trail before Dear Lick Creek 335 Comment
  RSA755540  Phacelia pringlei Barbara Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  UC1084698  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou trip from turn off near Callahan to Scott Mt.; North Coast Ranges Comment
  SBBG16265  Phacelia procera H. and M. Dearing 1939-7-1 3777 Siskiyou Salmon Mtn 1828 Comment
  UC1101559  Phalaris arundinacea Calvin McMillan and Malcolm A. Nobs 1949-6-17 802 Siskiyou Highway 97 Grass Lake Comment
  UCD88525  Phalaris arundinacea B. A. Madson Date Unknown s.n. Siskiyou 3 miles N of Tulelake. 1219 Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  RSA0057592  Philadelphus lewisii G. D. Barbe 1955-6-27 s.n. Siskiyou 0.8 mi north of Callahan in the dredgings near Hjertagers Mill. 976 Comment
  HSC92025  Phleum alpinum Jennifer Whipple 1976-7-2 1256 Siskiyou SW of Dobkins Lake, along the drainage to the lake. 2134 Comment
  HSC58857  Phleum pratense Marvin Butler 1971-8-2 266 Siskiyou Near Youngs Valley, close to the town of Cave Junction. 1403 Comment
  SD88543  Phlox adsurgens Darley F. Howe 1972-7-5 4876 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  HSC186  Phlox diffusa William J. Ferlatte 1967-6-29 576 Siskiyou Dorleska Summit 2134 Comment
  HSC19154  Phlox diffusa J. O. Sawyer 1969-6-13 954 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC69741  Phlox diffusa Maralyn A. Renner 1980-6-26 1276 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  POM230548  Phlox diffusa subsp. diffusa J. T. Howell 1937-7-24 13406 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM65609  Phlox diffusa subsp. diffusa E. B. Copeland 1903-7-17 3511 Siskiyou Mt. Shasta 2317 Comment
  CDA40286  Phlox gracilis T. C. Fuller 1970-5-27 19586 Siskiyou Interstate 5, truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  CAS-BOT-BC232826  Phlox hirsuta R. C. Barneby 1954-5-16 11528 Siskiyou 6 miles SW of Yreka Comment
  UCSB21823  Phlox hoodii Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  HSC17167  Phlox rigida R. C. Wunner 1965-6-7 132 Siskiyou Lava Beds National Monument, near N prefab near Indian Well Campground 1433 Comment
  HSC17196  Phlox speciosa subsp. nitida Lincoln Constance, R. C. Rollins 1942-5-13 2912 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC375253  Phoradendron libocedri Geo. D. Butler 1908-8-1 274 Siskiyou near Forest House Comment
  CAS-BOT-BC56484  Phyllodoce empetriformis G. J. Muth 1969-8-10 1324 Siskiyou Ridge w. of Boulder Peak 2286 Comment
  CAS-BOT-BC56508  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Elk Mt., Marble Mts. Comment
  HSC65352  Phyllodoce empetriformis Rich White 1978-7-3 211 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  RSA233664  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger, K. Thorne 1969-8-10 39002 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC1034568  Phyllodoce empetriformis Douglas Barbe 1955-7-25 286 Siskiyou n slope of Scott Mountain Scott Mountain 1981 Comment
  UCSB27387  Phyllodoce empetriformis Wilken, Dieter 1969-7-26 Siskiyou Panther Meadows, near the summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  CAS-BOT-BC60779  Physaria occidentalis C. L. Hitchcock; J. S. Martin 1939-7-9 5305 Siskiyou North side of Black Mountain, near Marble Mountain (King's Castle). 2072 Comment
  CAS-BOT-BC60768  Physaria occidentalis John Thomas Howell 1939-8-4 15053 Siskiyou Marble Rim. 1889 Comment
  HSC44493  Physaria occidentalis K. Irwin 1977-5-21 377 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  HSC4818  Physocarpus capitatus J. O. Sawyer 1968-9-10 760 Siskiyou Young's Meadow on Clear Creek 1402 Comment
  UC144392  Physocarpus capitatus A. A. Heller 1905-6-17 8057 Siskiyou near Sisson Comment
  UCSB24685  Physocarpus capitatus Favero, R. 1968-5-16 Siskiyou 13 miles from Somes Bar bridge toward Happy Camp, Salmon Mountains 487 Comment
  HSC19107  Picea breweriana J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  NY30481  Picea breweriana H. A. Thomas 1943-7-7 8693 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10925345  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill s.n. Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. T41N, R12W, S30. 1890 Comment
  CAS-BOT-BC73435  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Siskiyou county. 1524 Comment
  SEINET3871154  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian.; 0 1433 Comment
  CAS-BOT-BC73388  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte. Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  RSA184701  Pinus albicaulis Gilbert Muth 1966-8-6 177 Siskiyou Ridges of the Marble Rim, Marble Mountains. 2134 Comment
  HSC1359  Pinus attenuata Geo. D. Butler 1908-8-26 518 Siskiyou Head of Russian Creek, W side of Salmon Mtn. Comment
  UC705871  Pinus attenuata Marion Ownbey and Fred G. Meyer 1940-7-7 2219 Siskiyou near summit of Cayenne Ridge Marble Mountain, Cayenne Ridge Comment
  UC1980210  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe 1972-7-21 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  HSC31520  Pinus lambertiana Steve Selva, Roger Jensen 1974-8-26 58 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC78960  Pinus monticola G. A. Coleman 1901-7-31 s.n. Siskiyou Near summit of range, west of forks of Salmon River Comment
  HSC69710  Pinus monticola Maralyn A. Renner 1980-7-15 1774 Siskiyou English Lake inlet 1780 Comment
  RSA237351  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Due East of Toms Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2119 Comment
  UC542249  Pinus murrayana H. M. Hall and E. B. Babcock 1903-6-17 4105 Siskiyou Divide, between Shasta and Black Crater; Sierra Nevada Mountains, Mount Shasta 1706 Comment
  HSC1538  Pinus ponderosa D. M. Thomson 1965-8-14 192 Siskiyou California Lava Beds National Monument; on Tichner Rd. at Tichner Cave Comment
  HSC100207  Pinus sabiniana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13176 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  UC455180  Piperia colemanii I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  UC375221  Piperia leptopetala Geo. D. Butler 1910-6-17 1604 Siskiyou near Yreka Comment
  CHSC86662  Plagiobothrys tenellus Jenny Marr 1993-7-1 45 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA46764  Plagiobothrys tenellus L. S. Rose 1945-6-18 45064 Siskiyou Horse Creek and Klamath River. 503 Comment
  SJSU8038  Plagiobothrys tener C. L. Kline 1965-7-14 204 Siskiyou 10 mi E of McCloud 1280 Comment
  HSC35287  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  CAS-BOT-BC136654  Platanthera stricta Louis C. Wheeler 1934-8-10 3092 Siskiyou Field redacted by CAS, contact the data manager for more information 1371 Comment
  UC164413  Plectritis macrocera Geo. D. Butler 1909-3-27 664 Siskiyou near Oro Fino Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC261045  Poa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  HSC30562  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  UCD90607  Poa bulbosa Alan A. Beetle; G. L. Stebbins Jr. 1942-5-30 3385 Siskiyou at Weed. Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  RSA732494  Poa compressa P. M. Peterson, C. J. Sears, J. M. Saarela 2006-8-8 19743 Siskiyou 6.5 miles SW of Etna on Forest Service Rd 1C-01 towards Etna Summit. 1424 Comment
  SEINET10508792  Poa fibrata Louis C. Wheeler 1935-6-30 Wheeler 3629 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  SEINET10660678  Poa laevigata A. Arthur Heller 1905-6-19 Heller 8070 Siskiyou Grenada Station. Comment
  CAS-BOT-BC256018  Poa pratensis John Thomas Howell; T. C. Fuller 1980-4-29 53431 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC256020  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53415 Siskiyou Oro Fino 853 Comment
  HSC26631  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4011 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC30579  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  LA12614  Poa pringlei Jason Swallen; 1939-7-26 13762 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  UC642584  Poa pringlei Jason Swallen 1939-7-26 13755 Siskiyou lava slopes below Lake Helen (on Summit Trail); Mt Shasta Comment
  UCD91771  Poa pringlei A. H. Murphy 1959-7-23 59 V Siskiyou Shasta National Forest. Summit between North and Middle fork of Sacramento River. 2286 Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  UC167209  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
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Jan 27 2015
  POM198428  Poa secunda Geo D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1220 Comment
  RSA239033  Poa secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  CAS-BOT-BC243214  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UCD90800  Poa secunda subsp. secunda Beecher Crampton 1956-8-21 3815 Siskiyou Above Gumboot Lake, headwater of S fork of Sacramento River. 1920 Comment
  RSA47975  Poa trivialis Roxana S. Ferris, Laura Lorraine 1948-6-16 11747 Siskiyou French Creek Logging west of Callahan 1067 Comment
  CAS-BOT-BC244323  Podagrostis humilis L. P. Janeway 1983-8-16 557 Siskiyou Siskiyou Mountains, at Poker Flat 1524 Comment
  UCD52766  Podagrostis humilis J. M. Tucker 1963-8-19 3781 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  JEPS121612  Podagrostis thurberiana Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  JEPS80553  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Marble Wilderness Area Marble Mt. Wilderness Area 1828 Comment
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  UC572805  Polemonium pulcherrimum W. Bridge Cooke 1937-7-31 9167 Siskiyou Mt. Shasta 3048 Comment
  HSC41813  Polemonium pulcherrimum var. shastense Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  NY337078  Polemonium tricolor H. P. Chandler 06 1901 1671 Siskiyou Marble Mountain 2438.4 Comment
  UCR5684  Polygala cornuta O. F. Clarke 1966-8-6 660806- 01 Siskiyou 18 mi. north of Castella on turn out 1162 Comment
  CAS-BOT-BC170338  Polygala cornuta var. cornuta A. A. Heller 1921-7-22 13584 Siskiyou Spring Hill near the town of Mt. Shasta 1082 Comment
  CAS-BOT-BC170333  Polygala cornuta var. cornuta W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton, near Black Butte Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake Comment
  UC465751  Polygonum bistortoides Mrs. R. M. Austin June 1894 1861 Siskiyou Pothole Springs Lava Beds Comment
  UC618739  Polygonum davisiae W. Bridge Cooke 1938-7-21 11289 Siskiyou between Horse Camp and Panther Creek Meadows; Mount Shasta 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
  UC1112877  Polygonum douglasii subsp. spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp Klamath National Forest (w side, w slope along path to spring) 1524 Comment
  UC164407  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-9-6 198 Siskiyou near Yreka Comment
  UC971923  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1950-7-15 14044 Siskiyou Scott Creek Scott Valley Comment
  RSA184723  Polygonum kelloggii Gilbert Muth 1966-7-19 425 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  UC618598  Polygonum minimum W. Bridge Cooke 1938-9-8 11658 Siskiyou Squaw Creek Meadows 2590 Comment
  UC1408824  Polygonum phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co.) 1889 Comment
  JEPS109979  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 2005-7-13 19393 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89) 1402 Comment
  UC1191242  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC420064  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  UC1409209  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1968-8-11 471 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side creek bed, w Siskiyou Co.) 2042 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
  JEPS50593  Polygonum shastense John G. Lemmon 1888-9-19 Siskiyou Shasta; side Comment
  UC185761  Polygonum shastense Milo S. Baker July 1899 Siskiyou near Sissons (e slope of mt.); Mt. Shasta, Sacramento River Comment
  CAS-BOT-BC421063  Polygonum spergulariiforme H. D. Ripley; R. C. Barneby 1948-7-6 9636 Siskiyou Black Butte 1219 Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  SEINET11933191  Polygonum spergulariiforme L. Ahart, Ahart, P. 1983-1 4411 Siskiyou Near Hwy 96, near the Klamath River, ca 5 mi W of Interstate 5. Yellow Pine Forest 1000 Comment
  HSC41042  Polypodium hesperium J. O. Sawyer 1970-3-4 2061 Siskiyou N of Idlewild Campground 762 Comment
  CAS-BOT-BC237394  Polypogon monspeliensis Elmer I. Applegate 1923-8-21 3924 Siskiyou Willow Creek, near Dome Mountain, S of Lower Klamath Marsh Comment
  RSA693319  Polystichum imbricans Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  CAS-BOT-BC76774  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou Near the source of the Sacramento River west of Sisson. Comment
  CAS-BOT-BC94466  Polystichum lemmonii R. C. Wenk 2005-7-19 327 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CAS-BOT-BC76715  Polystichum lemmonii Mrs L. O. Hodgkins s.n. Siskiyou Mt. Shasta Comment
  HSC79139  Polystichum scopulinum C. J. Thomas 1983-10-1 95 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  POM210965  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  RSA693351  Polystichum scopulinum Anonymous 1913-8-26 s.n. Siskiyou Trail to Mt Eddy. 1372 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  RSA184758  Populus tremuloides Gilbert Muth 1966-7-19 420 Siskiyou Black Mountain Trail. Meadow above Marble Valley. Marble Mountains. 1860 Comment
  CAS-BOT-BC102963  Populus trichocarpa Alice Eastwood 1917-9-2 6687 Siskiyou Shasta Springs Comment
  CAS-BOT-BC205181  Potentilla breweri James R. Shevock; Barbara Williams 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains 2011 Comment
  CAS-BOT-BC143339  Potentilla cristae G. J. Muth 1969-8-10 1319 Siskiyou Ridge w. of Boulder Peak Comment
  JEPS47175  Potentilla gracilis var. fastigiata W. L. Jepson 1937-7-30 18550 Siskiyou Poker Flat Siskiyou Mts., headwaters of Indian Creek, Poker Flat 1584 Comment
  POM250747  Potentilla gracilis var. fastigiata W. Bridge Cooke 1938-7-29 11395 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  POM34598  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley. 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
  UCR66582  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Shasta Valley. Between Weed and Gazelle 915 Comment
  CAS-BOT-BC158526  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About a mile south of Bray, along U. S. Highway #97 Comment
  CAS-BOT-BC158535  Potentilla millefolia L. E. Smith 1913-5-2 245 Siskiyou Bray Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes 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-BC158241  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158243  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  SEINET7347118  Prunus emarginata E. K. Balls 1950-5-15 14701 Siskiyou Lava Beds National Monument, below Indian Well Public Camp 1402 Comment
  UCSB12914  Prunus emarginata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  UCSB23231  Prunus emarginata Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of city of Mt. Shasta. 1706 Comment
  HSC29409  Prunus virginiana var. demissa Frederick W. Oettinger 1969-7-16 1040 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbotts lake 1860 Comment
  RSA184747  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble S of camp. Marble Mtns. 1793 Comment
  SEINET7412419  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  SBBG21935  Pseudognaphalium thermale D. Myrick 1964-7-25 972 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  RSA129185  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 miles N.W. of Paradise Cragg. Yreka 732 Comment
  RSA28131  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bear Paw Cave, Lava Beds National Monument. 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
  RSA68884  Pseudostellaria jamesiana A. E. Culbertson 1943-7-2 72 Siskiyou Along Castle Lake road from town of Shasta, 6600ft eastern spur of Trinity Mts, 10 air miles from headwaters of Sacramento River to w and 12 miles SW of Mt Shasta 1219 Comment
  CAS-BOT-BC80097  Pseudotsuga menziesii G. B. Grant 1902-9-10 s.n. Siskiyou Sisson 1127 Comment
  CAS-BOT-BC80166  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC80176  Pseudotsuga menziesii Doris K. Kildale 1928-4-2 4402 Siskiyou Klamath River at Somes Bar Comment
  JEPS82669  Pseudotsuga menziesii var. menziesii Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs; Cabin Meadow 1935 Comment
  CAS-BOT-BC72684  Pteridium aquilinum A. A. Heller 1920-8-11 13502 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  UCD91868  Puccinellia lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3591 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  UC1540180  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  UCD22430  Purshia tridentata Brian Vanden Heuvel 2003-4-10 191 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  CAS-BOT-BC147912  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UC1198696  Purshia tridentata var. tridentata Joseph P. Tracy 1949-9-16 18563 Siskiyou 1 mi e Etna; Scott Valley 883 Comment
  UC166595  Pyrola asarifolia Geo. D. Butler 1910-7-9 1698 Siskiyou Shackleford Creek 1219 Comment
  UC412676  Pyrola asarifolia Annie M. Alexander and Louise Kellogg 1911-8-23 342 Siskiyou Castle S. Siskiyou County 1656 Comment
  UC166181  Pyrola picta Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC466131  Pyrola picta Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC466133  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  HSC85695  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10347 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  CAS-BOT-BC362389  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  CAS-BOT-BC68647  Quercus chrysolepis Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville, South Fork Salmon River Comment
  UCD82871  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -13 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  HSC36757  Quercus garryana J. P. Smith 1974-5-25 7396 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC62756  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12385 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  HSC29146  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Marble Mtn. Wilderness Area, slope above English Lake about halfway up to Diamond Lake along trail from English Lake 1890 Comment
  RSA120900  Quercus garryana var. garryana Milo S. Baker 1957-6-16 13647 B Siskiyou Along Highway S of Gazelle. Comment
  UC63979  Quercus kelloggii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC104360  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mts. 1859 Comment
  HSC69197  Quercus sadleriana Maralyn A. Renner 1980-9-1 2689 Siskiyou Bear Mtn. 1936 Comment
  RSA293015  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 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
  UC971916  Quercus sadleriana Herbert L. Mason 1950-7-16 14060 Siskiyou road from Happy Camp, California to Waldo, Oregon Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  RSA697640  Quercus sadleriana Leo Miller 1938-07 s.n. Siskiyou On top of mountains between Illinois and Roove Rivers 12 miles east of Agness Ore. 762 Comment
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Apr 26 2014
  RSA96709  Quercus sadleriana Percy C. Everett, E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek road to Obrien, 20 1/2 miles northwest from Hwy 96 at Happy Camp. 1524 Comment
  CAS-BOT-BC104636  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  HSC68342  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1426 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  POM106258  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1220 Comment
  RSA622138  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo road. Comment
  SEINET234405  Quercus vacciniifolia John Tucker 1948-8-3 1776 Siskiyou 6.7 road mi below the summit of Happy Camp Waldo road Comment
  UC1409455  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou ne side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  UC375250  Quercus vacciniifolia Geo. D. Butler 1908-8-5 230 Siskiyou West Fork of Woolly Creek Comment
  UCR95631  Quercus vacciniifolia L. C. Wheeler 1963-9-3 8345 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  CAS-BOT-BC379473  Ranunculus alismifolius D. E. Breedlove 1962-6-11 3371 Siskiyou along State Hwy 89, 17.6 mi east of McCloud Cascade Mts. 1219 Comment
  HSC28663  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake 1768 Comment
  CDA24299  Ranunculus aquatilis var. subrigidus J. R. Grisham 1960-6-28 Siskiyou Abrams Lake, Mt. Shasta. 0 Comment
  JEPS74462  Ranunculus eschscholtzii W. J. Ferlatte 1967-7-26 758 Siskiyou Sawtooth Ridge Trinity Alps, Caribou Basin 2042 Comment
  UC165947  Ranunculus flammula Geo. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  UC13928  Ranunculus glaberrimus F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  UC375276  Ranunculus occidentalis Geo. D. Butler 1909-3-14 567 Siskiyou near Yreka Comment
  RSA211168  Ranunculus orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along S Fork of the Salmon River betw the campground and Carter's. 1524 Comment
  UC705886  Rhamnus californica subsp. californica Marion Ownbey and Fred G. Meyer 1940-7-8 2224 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  POM211390  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  UCD77802  Rhododendron columbianum Robert E. Preston 2002-7-13 1919 Siskiyou Klamath National Forest, Rainbow Lake 1828 Comment
  CAS-BOT-BC200397  Rhododendron occidentale var. paludosum Isabelle C. Kimber 1934-6-9 29 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CDA34292  Rhododendron occidentale var. paludosum J. Knorr 1980-7-8 51 Siskiyou Siskiyou Mtns.; Scott Mtn., NE of Hwy 3 crossing of Pacific Crest Trail. Cabin Meadows Creek. 1828 Comment
  RSA119322  Rhododendron occidentale var. paludosum S. S. Tillett 1956-7-11 687 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  UC635215  Rhus trilobata H. L. Mason 1931-5-9 5864 Siskiyou Shasta Creek Comment
  CAS-BOT-BC92530  Ribes binominatum Doris K. Kildale 1928-8-18 6459 Siskiyou Near head of North Fork of Salmon River near Finley's Upper Camp. 1524 Comment
  RSA0024866  Ribes cereum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin. 1982 Comment
  RSA0024876  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou SW end Little Shasta Valley, 12 miles NE. US Highway 97 at junction with rd. to Montague. 884 Comment
  HSC61939  Ribes lacustre Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC77492  Ribes lacustre L. P. Janeway 1983-6-26 344 Siskiyou Along FS Rd. 18N33 towards Poker Flat, 9 mi. from Grayback Rd. 1433 Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  HSC65646  Ribes lobbii J. P. Smith 1976-5-21 8777 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  UCR80296  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou Road leading through International Paper property to the Duck Lakes trailheads 1524 Comment
  RSA0021141  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. 1524 Comment
  HSC33925  Ribes marshallii J. O. Sawyer 1968-7-2 382 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC40859  Ribes marshallii J. O. Sawyer 1973-7-18 2550 Siskiyou Hamilton Camp Comment
  CAS-BOT-BC219267  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  CHSC1660  Ribes nevadense M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  UC162061  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou near Shasta Springs Comment
  UC165932  Ribes roezlii Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  CAS-BOT-BC199990  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8673 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC200000  Ribes roezlii var. cruentum Roxana S. Ferris; Laura Lorraine 1948-6-12 11782 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  HSC26225  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer 1972-5-27 5358 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA0024593  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Next basin east of Salamander Pond, Abbotts Lake basin. High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1768 Comment
  UC1333318  Ribes sanguineum Dorothy Parker 1949-5-26 301 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  CAS-BOT-BC173911  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-14 8263 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  CAS-BOT-BC173913  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  RSA0020884  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges along Klamath River. Comment
  CAS-BOT-BC168801  Ribes viscosissimum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  CAS-BOT-BC168808  Ribes viscosissimum John Thomas Howell 1937-7-25 13462 Siskiyou Caribou Basin, Salmon-Trinity Alps 2133 Comment
  LA86537  Ribes viscosissimum John M. Tucker; 1963-7-7 3710 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UC1426021  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou precipice base due s.-s.w. Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1920 Comment
  JEPS51260  Rorippa curvisiliqua Al Hobart 1967-8-8 Siskiyou above Young's Valley (Siskiyou Mts.); , above Young's Valley Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC164065  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  JEPS107857  Rosa eglanteria Lowell Ahart, John Dittes 2005-6-10 12065 Siskiyou Pasture east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC60890  Rosa gymnocarpa W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC1585381  Rosa gymnocarpa R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 46 Siskiyou n Seiad Valley; Cook and Green Pass 1425 Comment
  UC2046561  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 a Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  CAS-BOT-BC146798  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  RSA537276  Rosa nutkana Walter Wisura, J. Romero 1991-10-18 4603 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  SBBG3080  Rosa pinetorum H. and M. Dearing 1939-6-30 3764 Siskiyou Callahan-Trinity Alps Rd 1524 Comment
  CAS-BOT-BC147075  Rosa pisocarpa A. A. Heller 1920-8-11 13507 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC58953  Rosa pisocarpa Marvin Butler 1971-7-21 198 Siskiyou Near Copper Mtn., close to the town of Cave Junction 1616 Comment
  UC375392  Rubus glaucifolius Geo. D. Butler 1908-7-12 1042 Siskiyou Humbug Mountain Comment
  UC1409344  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou w end, (high lake basins in vicinity of English Peak) Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC147977  Rubus leucodermis Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  CAS-BOT-BC147983  Rubus leucodermis D. E. Breedlove 1962-6-10 3308 Siskiyou On steep east bank of Indian Creek, along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  RSA237604  Rubus leucodermis Frederick W. Oettinger 1969-7-28 1079 Siskiyou NNW of Little English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  RSA237588  Rubus parviflorus Frederick W. Oettinger 1967-7-30 221 Siskiyou Near campsite at N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS11910  Rudbeckia klamathensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4789 Siskiyou 4 mi below summit of road and Del Norte - Siskiyou Co. line (along Happy Camp-Takilma road, upper reaches of Indian Creek Canyon, nw corner Siskiyou County); Indian Creek Canyon 1005 Comment
  HSC31131  Rudbeckia occidentalis J. O. Sawyer 1971-8-20 2459 Siskiyou Near Buckhorn Spring on Big Ridge trail 1982 Comment
  JEPS82449  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  CAS-BOT-BC421724  Rumex conglomeratus Alice Eastwood 1912-7-21 1286 Siskiyou Sisson Comment
  CDA23189  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  RSA611388  Sagina apetala L. C. Wheeler 1934-6-2 2606 Siskiyou Klamath River at Cherry Flat; Siskiyou Mts. 518 Comment
  RSA237864  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-22 1495 Siskiyou SE of Horse s Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  UC166121  Sagina saginoides Geo. D. Butler 1910-7-12 1764 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC103370  Salix bonplandiana Doris K. Kildale 1929-6-25 8359 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  CAS-BOT-BC102815  Salix boothii John Thomas Howell 1939-8-7 15132 A Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC103546  Salix commutata Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC28671  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  RSA201501  Salix eastwoodiae J. T. Howell 1939-8-7 15125 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA215632  Salix eastwoodiae Gilbert Muth 1969-8-11 1356 Siskiyou Boulder Peak. 2378 Comment
  UC1173605  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14398 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  LA208831  Salix lasiandra A. A. Heller; 1915-7-18 12129 Siskiyou Metcalf's Ranch, Metcalf's ranch, NE of Mt. Eddy in the forest 1371 Comment
  RSA0038286  Salix lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1425 Comment
  UC1409263  Salix lasiandra subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou lake shore w. of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1889 Comment
  CAS-BOT-BC125447  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1200 Comment
  CAS-BOT-BC125450  Salix lasiandra var. lasiandra L. E. Smith 1913-4-14 629 Siskiyou Weed Comment
  UC1034618  Salix lasiandra var. lasiandra unknown 1955-6-28 6 Siskiyou 0.8 mi. n. of Callahan (in dredgings near Hjertagers' Mill) 975 Comment
  CAS-BOT-BC107061  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City 1650 Comment
  CAS-BOT-BC107063  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  POM219891  Salix lasiolepis H. P. Bracelin 1931-6-19 412 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC375238  Salix lasiolepis Geo. D. Butler 1908-7-19 153 Siskiyou head of gulch near Yreka; Long Gulch Comment
  CAS-BOT-BC124538  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-31 11025 Siskiyou Shasta Springs Comment
  SJSU191  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou above Metcalf Ranch House, NE side of Mt Eddy c. 16 km NW of Shasta City 1463 Comment
  CAS-BOT-BC125682  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-23 4457 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC125689  Salix melanopsis W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  UC481729  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp; Flume Creek - tributary of Pit River 555 Comment
  SEINET11957679  Salix monochroma Unknown 1965-1 1061 Siskiyou Johnson Creek, near Etna 0 Comment
  CAS-BOT-BC126124  Salix scouleriana L. S. Smith 1931-6-7 16 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126133  Salix scouleriana L. S. Smith 1931-6-7 13 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126155  Salix scouleriana Alice Eastwood 1912-7-17 1179 Siskiyou Sisson Comment
  CAS-BOT-BC126161  Salix scouleriana L. E. Smith 1915-6-1 s.n. Siskiyou Sisson 1524 Comment
  CAS-BOT-BC126163  Salix scouleriana Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC129031  Salix scouleriana Alice Eastwood 1921-7-30 11005 Siskiyou Soda Creek Comment
  CAS-BOT-BC129038  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  SBBG57982  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  UCR142840  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, c. 10 km. northwest of Shasta City, east of Metcalf ranch house 1080 Comment
  SEINET12003644  Salix scouleriana H. P. Bracelin 1931-1 435 Siskiyou North base of Mount Eddy, about 10 km NW of Shasta City, east of Metcalf ranch house 80 Comment
  CAS-BOT-BC225207  Salvia sonomensis Alice Eastwood 1923-5-22 11902 Siskiyou Sissons, road to Mt. Shasta Comment
  RSA12602  Sambucus caerulea C. B. Wolf 1934-7-6 5984 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  UC1539995  Sambucus mexicana M. Mitchell 1936-5-19 35 Siskiyou Lava Beds National Monument 1371 Comment
  HSC25666  Sambucus racemosa var. racemosa J. O. Sawyer 1969-8-2 1716 Siskiyou Ridge W of Little Duck Lake. 2409 Comment
  UC114600  Sanguisorba annua Brandegee July 1887 Siskiyou Hornbrook Comment
  HSC70592  Sanguisorba annua J. O. Sawyer, J. Cole 1981-7-2 4144 Siskiyou Near Scott Mtn. Campground 1585 Comment
  UC735045  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  UC165254  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou Shackleford Creek 1219 Comment
  OBI55094  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou East slope of Little Grayback Peak near summit 1737 Comment
  SEINET13945185 Image available Sanicula graveolens L. Constance 1950-1 3360 Siskiyou East slope of Little Grayback Peak near summit, alt. 5700 ft 1737 Comment
  CDA30932  Saponaria officinalis M. Beyers, G. F. Hrusa 2010-8-18 692 Siskiyou Highway 96; +/- 10 miles west of Happy Camp and +/- 2 miles east of Portuguese Creek. 438 Comment
  UC991120  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on the outskirts Mount Shasta town; town of Mount Shasta Comment
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  JEPS93948  Sarcobatus vermiculatus Vernon H. Oswald and Lowell Ahart 1998-9-16 9632 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  JEPS74642  Saussurea americana T. C. Fuller and D. H. Shaw 1974-9-24 20045 Siskiyou Horse Creek Siskiyou Mts., White Mtn. (in spring at headwaters, sw slope of mt.) Comment
  LA203910  Saussurea americana Louis Wheeler; 1934-8-14 3146 Siskiyou Siskiyou Mountains, S side White Mountain 1737 Comment
  RSA60659  Saxifraga aprica I. L. Wiggins 1950-5-28 12387 Siskiyou 0.3 mile W of Carmen Lake. 1707 Comment
  UC909373  Saxifraga aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi w of Carmen Lake 1706 Comment
  CDA25436  Saxifraga fallax G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2619 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  RSA211113  Saxifraga ferruginea William J. Ferlatte 1967-8-23 1106 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  UC166558  Saxifraga ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  UCR37585  Saxifraga ferruginea var. vreelandii L. P. Janeway 1983-9-11 653 Siskiyou Poker Flat 1524 Comment
  RSA237683  Saxifraga mertensiana Frederick W. Oettinger 1969-7-16 1039 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
  UCR52361  Saxifraga tolmiei K. Berg, Stephanie Bennett 1986-8-25 648 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  UCD21464  Scirpus congdonii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1204 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  CHSC40155  Scirpus pendulus L. P. Janeway 1983-7-30 469 Siskiyou At edge of small drainage ditch of rancid water along the road to Copco Lake. 883 Comment
  SEINET3160653  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  HSC659  Scutellaria antirrhinoides William J. Ferlatte 1967-7-8 674 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  CHSC6714  Secale cereale B. Anthony 1968-6-2 562 Siskiyou Pasture of Betty Anthony, Old Etna, 2 miles from Etna. 914 Comment
  RSA0078508  Sedum kiersteadiae Douglas Barbe 1955-7-26 265 Siskiyou NW slope of Scott Mt. 1829 Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  JEPS40870  Sedum laxum subsp. heckneri Paul C. Hutchison 1962-8-5 958 Siskiyou 3.7 mi above mouth Carberry Creek (Middle Fork Applegate River, e-facing cliffs); Middle Fork Applegate River, above mouth Carberry Creek 762 Comment
  HSC69123  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-8-7 2385 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC59371  Sedum obtusatum subsp. retusum Thomas W. Nelson, J. P. Smith 1979-6-15 4809 Siskiyou Along road to Carmen Lake, 1 mi. from junction with State Rte. 3 1585 Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 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
  RSA0036680  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR). 1340 Comment
  RSA0059718  Sedum radiatum subsp. depauperatum L. C. Wheeler 1934-6-4 2643 Siskiyou Ridge S of Horse Creek near mouth, Siskiyou Mts. Mt. Diablo Mer. 1067 Comment
  CAS-BOT-BC59093  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  UC455351  Sedum spathulifolium I. J. Condit 1911-7-13 Siskiyou Shasta Retreat Shasta Retreat (dry rocky bank near R.R. Station) Comment
  JEPS25711  Sedum spathulifolium P. C. Hutchison 1961-5-22 2041 Siskiyou 2.8 mi e Seiad Valley (6.4 mi w of Hamburg, Klamath River); Klamath River, e of Seiad Valley, w of Hamburg Comment
  SEINET8552455  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  RSA641069  Selaginella wallacei Louis Cutter Wheeler 1963-8-28 8293 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  CAS-BOT-BC363419  Senecio aronicoides Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  RSA0013321  Senecio aronicoides A. E. Culbertson 94 Siskiyou near Forest Service Camp Grd., about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500' above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to n.e. 1524 Comment
  HSC91183  Senecio fremontii Jennifer Whipple 1977-7-20 1990 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC363940  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek Comment
  HSC61996  Senecio triangularis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC364437  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  UC722747  Senecio triangularis C. L. Hitchcock and J. S. Martin 1939-7-6 5204 Siskiyou 2 mi within California boundary on Takilma- Happy Camp road; Siskiyou Mts. 1554 Comment
  CAS-BOT-BC364787  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  UC196947  Setaria viridis Geo. D. Butler 1910-8-13 1834 Siskiyou Quartz Valley Comment
  POM250746  Sibbaldia procumbens W. Bridge Cooke 1938-8-18 11480 Siskiyou Mt. Shasta. 2470 Comment
  SBBG4687  Sidalcea glaucescens H. and M. Dearing 1938-6-27 2174 Siskiyou E of Bartle Comment
  RSA87483  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou 4 miles north of Happy Camp on road to Waldo. Comment
  CHSC1058  Sidalcea oregana 1936-7-3 Siskiyou Mt. Shasta City. 1097 Comment
  JEPS67291  Sidalcea oregana subsp. oregana W. L. Jepson 1940-7-1 20088 Siskiyou 6 mi e McCloud (McCloud River); , e of McCloud, Fowlers Camp 975 Comment
  RSA82759  Sidalcea oregana subsp. oregana J. M. Tucker 1950-7-24 1959 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  JEPS67268  Sidalcea oregana subsp. spicata Willis L. Jepson July 1896 14064 Siskiyou near Sisson (Upper Sacramento); , near Sisson Comment
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Sep 26 2006
  UC871509  Sidalcea oregana subsp. spicata Alice Eastwood 1912-7-18 1216 Siskiyou Sisson Comment
  RSA68870  Sidalcea oregana subsp. spicata A. E. Culbertson 1943-7-1 86 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC178693  Silene Volney Rattan 1903-6-13 s.n. Siskiyou Klamath Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  UC904785  Silene douglasii W. Bridge Cooke 1949-8-26 25676 Siskiyou above Bolam Station (Mount Shasta); , above Bolam Station 2133 Comment
  SEINET1004224  Silene douglasii var. douglasii Mark Fishbein, Lane Greer 2006-1 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 1990 Comment
  CAS-BOT-BC388947  Silene grayi Wm. Bridge Cooke 1938-8-18 11494 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  JEPS26588  Silene grayi Peter Kamb 1949-8-25 1492 Siskiyou above Horse Camp; sw slope of Mt. Shasta above Horse Camp 2895 Comment
  RSA477904  Silene hookeri Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC39834  Silene lemmonii J. O. Sawyer 1969-7-23 1162 Siskiyou Near Horse Range Creek 1341 Comment
  JEPS50989  Silene lemmonii Willis L. Jepson 1894-8-4 Siskiyou Sisson , , Camp 1 (Mt. Shasta) Comment
  RSA438826  Silene lemmonii M. B. Dunkle 1944-6-25 9015 Siskiyou Siskiyou National Forest. 1677 Comment
  POM100955  Silene menziesii subsp. dorrii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek, in shade Comment
  RSA12575  Sisyrinchium idahoense Carl B. Wolf 1934-7-6 6011 Siskiyou 0.5 mi. south of Wagon Camp. South slope of Mt. Shasta. 1524 Comment
  UC54246  Smilax californica H. M. Hall and E. B. Babcock June, 1903 4045 Siskiyou near Sisson; Mount Shasta, 18th Crossing 1036 Comment
  CDA34724  Solanum dulcamara L. Ahart, John Dittes 2010-7-3 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CHSC1941  Solanum parishii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC157012  Solanum umbelliferum E. I. Applegate 1898-5-15 2137 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  CAS-BOT-BC157025  Solanum umbelliferum Louis C. Wheeler 1934-7-3 2853 Siskiyou Soda Creek, Klamath National Forest 1707 Comment
  HSC29090  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UC1408918  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou high lake basins in the vicinity English Peak (Marble Mountain Wilderness Area, Western Siskyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tobacco L 1889 Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  POM39718  Solidago velutina subsp. californica Geo D. Butler 1910-7-30 1800 Siskiyou Yreka Creek. Comment
  CDA7677  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CHSC1607  Sorbus californica M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  CLARK-A1528-7822  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou Etna Comment
  RSA237842  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-8-25 1556 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  RSA472781  Spiraea douglasii M. K. Curran 1887-07 s.n. Siskiyou Edgewood. Comment
  HSC58946  Spiraea splendens var. splendens Marvin Butler 1971-7-27 214 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  RSA45336  Spiranthes porrifolia Dorothy Parker 1947-7-13 203 Siskiyou Plowmans Valley. Comment
  HSC63578  Stachys rigida J. P. Smith, J. O. Sawyer 1971-9-18 4843 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC62004  Stellaria crispa Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC395085  Stellaria nitens Geo. D. Butler 1910-4-9 1158 Siskiyou near Yreka Comment
  HSC4294  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  UC375264  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  CAS-BOT-BC516468  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  HSC77094  Stenanthium occidentale K. T. Stillman 1976-8-7 364 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  CAS-BOT-BC375646  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  UC166153  Stephanomeria paniculata Geo. D. Butler 1908-8-1 324 Siskiyou near Forest House Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC18976  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-20 1568 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  HSC30692  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-8-8 454 Siskiyou Marble Mtn. Widlerness Area, Crapo meadow near Tom Taylor Cabin. 2027 Comment
  HSC39868  Stipa occidentalis var. occidentalis J. P. Smith 1972-8-17 5749 Siskiyou Medicine Lake 2012 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  CAS-BOT-BC61126  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mount Eddy, west of Sisson. 2133 Comment
  UC857414  Streptanthus barbatus Alice Eastwood 1912-7-23 1329 Siskiyou Cantara Comment
  CAS-BOT-BC61123  Streptanthus barbatus L. E. Smith 1915-7-1 s.n. Siskiyou Castella. Comment
  CAS-BOT-BC87842  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  CAS-BOT-BC87865  Streptanthus tortuosus Margaret M. Hanna 1956-6-6 s.n. Siskiyou Glass Mountain. 2316 Comment
  CAS-BOT-BC87875  Streptanthus tortuosus Louis C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains. 1798 Comment
  HSC69120  Streptanthus tortuosus Maralyn A. Renner 1980-8-7 2388 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  POM143368  Streptanthus tortuosus George B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2439 Comment
  RSA211226  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  SD79848  Streptanthus tortuosus Helen V. Witham 1969-10-9 607 Siskiyou Timberline, Mt. Shasta. 2400 Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  RSA237327  Streptanthus tortuosus Frederick W. Oettinger 1967-6-24 118 Siskiyou Ridge near Etna Summit on road between Etna and Sawyer s Bar. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC117366  Streptanthus tortuosus var. orbiculatus Wm. M. Canby 1897-9-7 17 Siskiyou Mt. Shasta Comment
  UC165748  Streptanthus tortuosus var. orbiculatus Geo. D. Butler 1909-7-15 893 Siskiyou Highland Mine Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  HSC29181  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  HSC44708  Streptanthus tortuosus var. tortuosus J. O. Sawyer, E. Cope 1977-6-18 2922 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC34112  Streptopus amplexifolius J. O. Sawyer 1969-7-18 1420 Siskiyou Head of S Russian Creek 1890 Comment
  CAS-BOT-BC516431  Streptopus amplexifolius Doris K. Kildale 1929-7-21 8734 Siskiyou Elk Lick, south Fork Indian Creek Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  RSA68947  Streptopus amplexifolius A. E. Culbertson 1943-7-17 11 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  JEPS62164  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley camp Marble Valley 1676 Comment
  HSC637  Suksdorfia ranunculifolia William J. Ferlatte 1967-6-30 593 Siskiyou Josephine Lake basin 1677 Comment
  RSA105341  Symphoricarpos acutus G. D. Barbe 1955-8-1 334 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  JEPS87630  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  HSC19110  Symphoricarpos mollis J. O. Sawyer 1969-7-23 1179 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC68385  Symphoricarpos mollis Maralyn A. Renner 1980-6-26 1203 Siskiyou N edge of Flint Valley 1390 Comment
  SBBG7655  Symphyotrichum ascendens H. and M. Dearing 1948-9-12 7631 Siskiyou Panther Crk, Mt Shasta 2316 Comment
  UC893306  Symphyotrichum bracteolatum Alice Eastwood 1917-9-2 6696 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97617  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Dampland Edgewood Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  UC165286  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC98944  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  HSC68185  Symphyotrichum foliaceum var. parryi J. P. Smith, J. O. Sawyer 1973-8-14 7296 Siskiyou W shore of Campbell Lake 1768 Comment
  CHSC29307  Symphyotrichum spathulatum J. D. Prouty; A. Ratcliff, et al. 1979-8-2 79 .92 Siskiyou Pumice Stone Well. 1938 Comment
  UC54111  Symphyotrichum spathulatum H. M. Hall and E. B. Babcock 1903-6-1 4090 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 975 Comment
  UC1037395  Symphyotrichum spathulatum Douglas Barbe 1955-7-26 261 Siskiyou nw slope of Scott Mountain along a dry ditch Klamath Mountains, Scott Mountain 1828 Comment
  HSC69166  Symphyotrichum spathulatum var. spathulatum Maralyn A. Renner 1980-8-4 2214 Siskiyou Flint Valley 1390 Comment
  HSC67634  Tamarix parviflora J. P. Smith 1976-5-4 8665 Siskiyou Hwy. 96, 1 mi. E of Klamath National Forest Boundary, along Klamath River. 610 Comment
  CAS-BOT-BC85247  Taxus brevifolia Doris K. Kildale 1929-8-24 8843 Siskiyou Preston Peak 2225 Comment
  NY17448  Taxus brevifolia I. L. Wiggins 1955-7-24 13482 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1190267  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou diversion dam China Creek 1158 Comment
  NY17617  Taxus brevifolia W. R. Dudley 1901-8-20 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC447417  Tellima grandiflora Annie M. Alexander; Louise Kellogg 1920-5-1 s.n. Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  JEPS80528  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 F Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  HSC24028  Thalictrum polycarpum J. O. Sawyer 1971-7-15 2426 Siskiyou Along Red Rock Valley Creek 1585 Comment
  CAS-BOT-BC88063  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  CAS-BOT-BC88066  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  RSA604057  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UCD108595  Thermopsis gracilis A. A. Heller 1919-6-20 13250 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  CHSC30904  Thlaspi montanum var. montanum M. S. Taylor 1980-7-8 3097 Siskiyou S end of Little Castle Lake, in cliffs. 1767 Comment
  HSC43111  Thysanocarpus curvipes Maralyn O'Meara 1974-5-25 366 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC46212  Thysanocarpus curvipes Jennifer Whipple 1976-5-2 903 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  RSA120207  Tofieldia glutinosa subsp. occidentalis S. S. Tillett 1956-7-11 680 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  JEPS83830  Tofieldia occidentalis subsp. occidentalis Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake Siskiyou Mts., vicinity Cook and Green Pass Comment
  RSA141252  Tolmiea menziesii G. Ledyard Stebbins, A. A. Beetle 1942-6-1 3274 Siskiyou Along Klamath River, at Swillup Creek Ranger Station. 256 Comment
  RSA240052  Tolmiea menziesii Frederick W. Oettinger 1969-8-9 1320 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  JEPS107382  Tragopogon dubius Lowell Ahart, John Dittes 2005-6-10 12066 Siskiyou South edge of pasture, east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS81832  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  HSC6294  Tragopogon dubius D. M. Thomson 1965-6-19 105 Siskiyou Lava Beds National Monument; 1.5 mi. N of Merril Ice Cave, on fire road Comment
  SFV5156  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC377158  Tragopogon porrifolius W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between High School and Howard, Mt. Shasta Comment
  UCD136891  Tragopogon porrifolius Morris Halperin 1930-7-11 1 Siskiyou near Eureka. Comment
  UCR110591  Trautvetteria caroliniensis var. occidentalis L. C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mtns., Clear Creek c. 1 mile below West Fork 640 Comment
  HSC788  Triantha occidentalis subsp. occidentalis William J. Ferlatte 1966-8-16 369 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  CAS-BOT-BC519557  Triantha occidentalis subsp. occidentalis John Thomas Howell 1937-7-23 13371 Siskiyou Siskiyou: South Fork of Salmon River near Big Flat 1524 Comment
  HSC96432  Triantha occidentalis subsp. occidentalis Tony LaBanca, Leonel Arguello, Gordon Leppig 1997-6-27 487 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SEINET3164071  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  HSC30479  Trientalis latifolia Frederick W. Oettinger 1969-8-9 1318 Siskiyou Along main North Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  POM76576  Trientalis latifolia Geo. D. Butler 1910-5-23 1392 Siskiyou Humbug Mtn. 1220 Comment
  JEPS48897  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackelford Creek Log Lake 1524 Comment
  JEPS75368  Trifolium cyathiferum Geo. D. Butler 1909-6-20 919 Siskiyou near Yreka (McNutty's field) Comment
  HSC58921  Trifolium eriocephalum Marvin Butler 1971-7-11 90 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC219034  Trifolium howellii Doris K. Kildale 1928-8-18 6426 Siskiyou North Fork on Salmon River at Finley Camp Comment
  HSC69726  Trifolium howellii Maralyn A. Renner 1980-7-15 1780 Siskiyou English Lake inlet 1780 Comment
  JEPS98770  Trifolium howellii Dean W. Taylor 1996-6-19 15712 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  RSA184746  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC637129  Trifolium hybridum Edward Lee 1934-8-10 1016 Siskiyou near Hamburg (s bank of Klamath River betw Mckinney and Parkhouse Creeks) 609 Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  UCD111328  Trifolium macrocephalum J. G. Ferrell 1941-4-1 s.n. Siskiyou Near Edgewood. Comment
  UC164238  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou upper end Quartz Valley Comment
  UCD109292  Trifolium pratense J. M. Tucker 1950-7-23 1937 Siskiyou Town of Mt. Shasta. Comment
  POM28038  Trifolium variegatum var. variegatum Geo. D. Butler 1910-3-27 1245 Siskiyou Oro Fino Comment
  JEPS107918  Triglochin concinna 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
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  HSC44867  Trillium ovatum J. P. Smith 1973-5-5 6452 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CDA39372  Trillium ovatum T. C. Fuller 1958-6-18 1789 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  HSC69380  Trisetum spicatum J. O. Sawyer, Jane Cole 1980-7-19 3693 Siskiyou Near FS Rd. 45N05 2018 Comment
  CAS-BOT-BC133484  Triteleia crocea Geo. D. Butler 1910-5-5 1287 Siskiyou Humbug Mt. Comment
  UCSB24892  Triteleia crocea Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  UC1001153  Triteleia crocea Dorothy Parker 1952-4-28 6 Siskiyou e side Scott Valley; Siskiyou Mountains 855 Comment
  RSA114961  Triteleia hendersonii E. K. Balls, Lee W. Lenz 1956-6-18 21717 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
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May 2 2015
  RSA666433  Triteleia hyacinthina Barbara Ertter 1990-7-15 9369 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  UC367041  Triteleia ixioides subsp. anilina unknown June 1879 Siskiyou near Shasta Comment
  SEINET10534159  Triteleia ixioides subsp. anilina A. Arthur Heller 1905-6-5 Heller 7986 Siskiyou Pleateau above Shasta Springs. Comment
  HSC69713  Tsuga mertensiana Maralyn A. Renner 1980-7-15 1772 Siskiyou English Lake inlet 1780 Comment
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC404217  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  SFV17864  Utricularia vulgaris J. D. Dilley 1998-7-13 361 Siskiyou Siskiyou Mountains Grass Lake by rest stom on Interstate Highway 97, 20 miles north of Weed. 1550 Comment
  CDA42169  Utricularia vulgaris P. Zedeker 1964-7-28 s.n. Siskiyou Orr Lake, northwest of Bray. 0 Comment
  CAS-BOT-BC199185  Vaccinium cespitosum W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC228836  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1937 Siskiyou S Slope of Mount Shasta, Panther Meadows, along County Highway A10, ca. 1.6 km by road from the upper parking lot 2276 Comment
  CHSC69748  Vaccinium cespitosum Loren Gehrung 1996-9-19 108 Siskiyou The Eddys. Jcn of County Rd 26 and Gumboot Creek, at Gumboot Crossing. 1511 Comment
  RSA285942  Vaccinium cespitosum H. E. Brown 1897-7-15 520 Siskiyou South side Mt. Shasta. Comment
  CAS-BOT-BC199230  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  HSC19360  Vaccinium membranaceum J. O. Sawyer 1968-6-18 224 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC19363  Vaccinium membranaceum J. O. Sawyer 1968-6-18 232 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  CAS-BOT-BC199252  Vaccinium ovatum F. W. Harley 1916-11-1 s.n. Siskiyou Klamath National Forest. Camp Creek watershed 121 Comment
  HSC68457  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1442 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  JEPS58725  Vaccinium uliginosum subsp. occidentale Willis L. Jepson 1894-1 14689 Siskiyou Sisson Upper Sacramento Region Comment
  UC70299  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1898-8-1 478 Siskiyou Medicine Lake Comment
  CDA6693  Valerianella locusta T. C. Fuller 1962-5-17 8741 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  CAS-BOT-BC76064  Vancouveria hexandra Lillian Mott 1976-7-9 47 LM76 Siskiyou Trail to spring, Cook and Green Pass. 1463 Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  HSC102655  Ventenata dubia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CHSC111071  Veratrum californicum Barbara L. Wilson; Julie K. Nelson 2011-8-22 16854 Siskiyou Meadow on a tributary of the Middle Fork Sacramento River at the end of Forest Service road 40N64A. 1969 Comment
  UCR47905  Veratrum californicum Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC529109  Veratrum californicum H. A. Thomas; J. H. Thomas 1954-7-24 4514 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  RSA50160  Verbascum blattaria E. K. Balls 1949-7-10 13952 Siskiyou Eddy's Gulch, 2 miles from Sawyer's Bar on road to Cecilville. 762 Comment
  UCD124681  Verbascum blattaria Daryl Koutnik; Martha Townsend 1979-9-10 590 Siskiyou Five miles SW of Yreka, on Fort Jones Road. 914 Comment
  RSA46972  Verbascum thapsus Carl B. Wolf 1927-8-26 1025 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  JEPS39093  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1909-6-20 943 Siskiyou near Yreka Comment
  RSA15799  Verbena lasiostachys var. lasiostachys Carl B. Wolf 1927-8-26 1047 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  JEPS25767  Veronica americana Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7467 Siskiyou at edge of Twin Valley Meadows Twin Valley Meadows; Siskiyou Mountains, Twin Valley Meadows 1524 Comment
  CAS-BOT-BC540706  Veronica copelandii Dana York 2012-7-21 3138 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  CHSC1907  Veronica copelandii N. Jaekel 1939-7-29 Siskiyou Mount Eddy. 2590 Comment
  RSA48210  Veronica serpyllifolia var. humifusa Roxana S. Ferris, Laura Lorraine 1948-6-12 11742 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SFV3461  Veronica triphyllos I. Coonrod 1963-4-1 s. n. Siskiyou Montague. 915 Comment
  UC917285  Veronica wormskjoldii R. Tofsrud and J. M. Tucker 1948-8-2 1769 Siskiyou Panther Meadows, s slope of Mount Shasta Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  CAS-BOT-BC238172  Veronica wormskjoldii Wm. Bridge Cooke 1934-9-8 11634 Siskiyou Mount Shasta. South Gate Springs Comment
  JEPS83277  Vicia Geo. D. Butler 1908-6-22 400 Siskiyou near Yreka (Butler's Ranch) Comment
  CDA28314  Vicia americana var. americana G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2615 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  UC164015  Vicia americana var. americana Geo. D. Butler 1910-5-30 1440 Siskiyou Humbug Mountain 1219 Comment
  UC726534  Vicia americana var. americana A. A. Heller 1916-6-20 12400 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC15239  Vicia americana var. americana R. C. Wunner 1965-6-22 241 Siskiyou Lava Beds National Monument, 1/2 mi. N of Canby Cross 1220 Comment
  RSA281652  Vicia americana var. americana S. O. Mattoon 1979-5-26 100 Siskiyou Crawford Creek on Eddy Gulch L. O. Road, 2 road miles north of Cecilville, Salmon Mts. 610 Comment
  UC796573  Vicia villosa subsp. villosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11722 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  CAS-BOT-BC263849  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson Comment
  CAS-BOT-BC270235  Viola adunca W. B. C. 1940-6-6 15041 Siskiyou Along a creek near the Castle Lake Road Comment
  UC581515  Viola adunca D. Tebbe 1929-7-18 36 Siskiyou Mount Eddy Comment