Search Results — 2000 specimen records retrieved (1386 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
  HSC4980  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS83904  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou 6.5 mi e Cook and Greene Pass (300 to 400 yards w of main spruce stand); White Mountain, Rogue River National Forest 1983 1645 Comment
  RSA761839  Abies amabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63375 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC73502  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East base Mt. Shasta, near Sisson. Comment
  HSC69329  Abies concolor John Palmer 1980-8-12 749 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC99294  Abies concolor T. Jimerson, J. Pageau 1979-6-15 558 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  HSC24054  Abies lasiocarpa J. O. Sawyer 1971-7-14 2423 Siskiyou Junction of Sky High Lake and Shackleford trails 1921 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC69431  Abies magnifica Maralyn A. Renner 1980-7-16 1783 Siskiyou Hancock Lake inlet 1951 Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  CAS-BOT-BC330615  Acer circinatum Geo. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC330617  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda Spring. 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-BC331043  Acer glabrum var. glabrum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  CHSC92  Acer glabrum var. torreyi M. Yoder 1941-6-28 Siskiyou Castle Lake 1828 Comment
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC336936  Acer negundo var. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  RSA183724  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou On top of Marble Mt. Lookout, Marble Mts. Comment
  CAS-BOT-BC210720  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. North Hungry Cr. 1310 Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD50622  Achnatherum lemmonii Robert E. Preston 2002-6-20 1829 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  RSA47651  Achnatherum lemmonii var. lemmonii Roxana S. Ferris, Laura Lorraine 1948-06 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  UCSB51222  Achnatherum occidentale subsp. pubescens Almanza, Ed 1976-7-12 Siskiyou Mt. Shasta ski lodge. 2316 Comment
  RSA17730  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Bed National Monument Comment
  CAS-BOT-BC391506  Aconitum columbianum subsp. columbianum L. E. Smith 1913-7-27 498 Siskiyou McCloud Comment
  CAS-BOT-BC391528  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-8-18 6460 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  HSC29438  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1968-8-7 433 Siskiyou Marble Mtn. Wilderness Area, SE end of Hancock Lake 1936 Comment
  POM365537  Aconitum columbianum var. columbianum M. B. Dunkle 1944-8-25 9180 Siskiyou Hungry Creek 1829 Comment
  CAS-BOT-BC383124  Aconogonon davisiae Andrew Townesmith; Karen M. Meyer 2007-7-30 871 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CHSC1346  Aconogonon newberryi N. Jaekel; K. Jaekel 1939-7-10 Siskiyou Panther Meadows, Mt. Shasta. Comment
  HSC69394  Aconogonon phytolaccifolium Maralyn A. Renner 1980-8-8 2459 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC30500  Aconogonon phytolaccifolium Frederick W. Oettinger, R. F. Thorne 1969-8-7 1274 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1829 Comment
  HSC61851  Actaea rubra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC4989  Adenocaulon bicolor J. O. Sawyer 1968-6-18 197 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC1949220  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  HSC33345  Aegilops cylindrica William J. Ferlatte 1973-6-28 1680 Siskiyou Montague, NE edge of town 777 Comment
  CHSC69080  Agastache parvifolia Vernon Oswald; Lowell Ahart 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  UCD124874  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou pahoehoe lava at entrance of lava cave; Lava Beds National Monument. Comment
  JEPS83873  Agastache urticifolia Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Vicinity Cook and Green Pass 1706 Comment
  UC637091  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC15477  Agoseris X dasycarpa Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  JEPS97916  Agoseris aurantiaca var. aurantiaca R. Raiche, H. Forbes, K Zadnik 1989-4-10 61 Siskiyou W of Weed, 5.4 km. on Parks Creek Rd. toward Mt. Eddy from Stewart Springs Rd. 1506 Comment
  CAS-BOT-BC21389  Agoseris aurantiaca var. aurantiaca Wm. Bridge Cooke 1939-7-26 13638 Siskiyou Near the lower portion of the Panther Creek meadow area 2286 Comment
  RSA167323  Agoseris grandiflora Joseph P. Tracy 1949-9-15 18555 Siskiyou 1.5 miles up Taylor Creek from mouth (branch of E. Fork of S. Fork Salmon River) 5 miles northeast of Cecilville. Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  RSA142619  Agoseris monticola Philip A. Munz 1960-8-22 24185 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC13470  Agoseris retrorsa J. T. Howell 1939-8-9 15248 Siskiyou Shackleford Creek Trail, Marble Mountains Comment
  RSA239096  Agrostis exarata Frederick W. Oettinger 1969-8-22 1499 Siskiyou North side of Horse's Hole Meadows, Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD35447  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Lower south slopes of Mt. Shasta, Wagon Camp Road. 1645 Comment
  CAS-BOT-BC139561  Agrostis gigantea David D. Keck 1949-7-19 6349 Siskiyou 2 miles south of Grenada, along R.R. right-of-way. 777 Comment
  HSC777  Agrostis gigantea William J. Ferlatte 1967-8-17 952 Siskiyou Yellow Rose Mine 1982 Comment
  HSC76656  Agrostis idahoensis K. T. Stillman 1976-7-23 295 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  RSA12484  Agrostis idahoensis C. B. Wolf 1934-7-4 5953 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC138938  Agrostis pallens Copeland 1903-9-6 3801 Siskiyou Mount Eddy. Comment
  HSC30520  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow, along trail to Tom Taylor Cabin before it enters woods 2073 Comment
  UC1265350  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou lower meadow at margin of meadow woods Salmon Mountains, Marble Mountain Wilderness Area, Horse Ran 1767 Comment
  UCD53103  Agrostis pallens Beecher Crampton 1956-8-21 3827 Siskiyou 1/2 mile northeast of Gumboot Lake the headwater of the Sacramento River (south fork). 1767 Comment
  UCD53186  Agrostis pallens A. H. Murphy 1955-7-29 55 P Siskiyou Clear Lake, Marble Mountains, Klamath National Forest. 1798 Comment
  SEINET7594123 Image available Agrostis pallens F. W. Oettinger 1969-1 1537 Siskiyou northwest of English Lake, Salmon Mountains 1753 Comment
  RSA238994  Agrostis scabra Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1169 Siskiyou Margin of lake, outlet to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC815156  Agrostis scabra J. R. Swallen 1941-7-25 16114 Siskiyou MacBride Springs area Mt. Shasta 1524 Comment
  SEINET7594405 Image available Agrostis stolonifera Frederick W. Oettinger 1969-1 1527 Siskiyou Upper English Lake, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1798 Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  JEPS84245  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6522 Siskiyou e Condrey Mt.; Alex Hole 1980 Comment
  CAS-BOT-BC459431  Allium acuminatum Alice Eastwood 1912-7-20 1249 Siskiyou Hornbrook Comment
  CAS-BOT-BC462372  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC75124  Allium amplectens J. P. Smith, Thomas W. Nelson 1979-6-16 10144 Siskiyou Klamath National Forest, along USFS Rd. 40N03 0.3 mi. from its junction with SR 3, 2.72 mi. from county line 1463 Comment
  CAS-BOT-BC462990  Allium bolanderi C. L. Hitchcock; J. S. Martin 1939-7-9 5309 Siskiyou 1 mile above Bucher's Ranch, Canyon Creek, ca. 3 miles west of Turner's Camp 1219 Comment
  CAS-BOT-BC462995  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  CHSC30249  Allium falcifolium M. S. Taylor 1980-7-8 3111 Siskiyou S of Castle Lake, above Hearts Lake. 2016 Comment
  CAS-BOT-BC469250  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou Ridge just above Grouse Lake (head waters of Grouse Creek) 1737 Comment
  HSC82586  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-5-26 4715 Siskiyou Along SR 3 N of Scott Mtn. Summit at junction with USFS Rd. 40N03 1524 Comment
  JEPS96555  Allium siskiyouense Dean W. Taylor 1997-6-11 16042 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  RSA131708  Allium siskiyouense Lee W. Lenz 1958-6-22 23298 Siskiyou Crest of Siskiou on road from Happy Camp to Cave Jct. (Ore) 1555 Comment
  HSC39474  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  RSA233699  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA452798  Alnus rhombifolia B. C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, noth of Callahan Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  UCD110045  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yards from Deep Creek and 1/4 mile north of Deep Lake, Marble Mountain. Comment
  SEINET3917663  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River 2 miles west of Seiad Creek.; 0 518 Comment
  CDA3620  Alyssum alyssoides G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2647 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CDA3622  Alyssum alyssoides Don Shaw 1984-4-8 Siskiyou Yreka Ager Road, Montague. 0 Comment
  HSC64811  Alyssum alyssoides J. P. Smith 1974-5-25 7371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC2911  Amaranthus hybridus R. C. Wunner 1965-8-14 413 Siskiyou Lava Beds National Monument, end of Hovey Pt., near agricultural area, disturbed. 1220 Comment
  JEPS123617  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -351 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  SBBG16035  Amelanchier utahensis D. Myrick 1961-6-20 279 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UC144389 Image available Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou Yreka Comment
  CHSC57349  Amsinckia intermedia Lyna R. Black 1990-4-12 6 Siskiyou Approx. 1/2 mi ne of Yreka, CA e slope of hill. 853 Comment
  UCD119701  Amsinckia intermedia James P. Smith; Advanced Plant Taxonomy Class 1973 1973-5-5 6533 Siskiyou Scott Bar along the Scott River. Comment
  CDA40465  Amsinckia menziesii T. C. Fuller 1965-6-1 13588 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  UC891433  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou at, foot of Mt. Eddy Wagon Creek; Mt. Eddy 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
  JEPS20406  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek Siskiyou Mountains, Greenhorn Creek 944 Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 Comment
  RSA262470  Anemone deltoidea J. M. Tucker 1974-7-28 4310 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  UC1409279  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  RSA78294  Anemone deltoidea P. A. Munz 1952-7-1 17862 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC375345  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring (Woolly Creek); Woolly Creek Comment
  UC723023  Anemone drummondii C. L. Hitchcock and J. S. Martin 1930-7-9 5315 Siskiyou n. side of Black Mt. near Marble Mt.; Black Mt. 2072 Comment
  POM365634  Anemone drummondii M. B. Dunkle 1945-1 9358 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  UCD95473  Anemone drummondii var. drummondii A. H. Murphy 1961-7-20 61 Q Siskiyou Marble Mountains. Klamath National Forest. Marble Valley Guard Station. Top of the ridge west of the guard station. 2042 Comment
  SEINET12093239  Anemone multifida Unknown 1982-1 20589 Siskiyou Cook and Green Pass area, near Lily Pad Lake 1676 Comment
  CAS-BOT-BC391968  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  HSC22428  Anemone occidentalis J. O. Sawyer 1969-7-2 1024 Siskiyou Crest W of Upper Albert Lake 2256 Comment
  UC1360403  Angelica arguta J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mi ne of Marble Valley Guard Station (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1920 Comment
  UCD127109  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  RSA416692  Antennaria argentea B. C. Templeton 1960-6-21 8550 Siskiyou Near summit of Scott Mt. Comment
  UC796490  Antennaria argentea Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11724 Siskiyou w of, (French Creek Logging Road) Callahan 1066 Comment
  CAS-BOT-BC59242  Antennaria corymbosa Gilbert J. Muth 1969-8-6 1212 Siskiyou Boulder Peak 2529 Comment
  HSC46193  Antennaria dimorpha Jennifer Whipple 1977-4-30 1890 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS89482  Antennaria racemosa Dean William Taylor 1972-7-3 1598 Siskiyou at Cook and Green pass Cook and Green pass 1371 Comment
  CHSC259  Antennaria rosea subsp. confinis V. Holt 1943-8-10 Siskiyou Marble mountains. 1524 Comment
  SEINET515906  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  CAS-BOT-BC84759  Antennaria rosea subsp. rosea John Thomas Howell 1939-8-8 15183 Siskiyou Black Mts., Marble Mts. Comment
  HSC4642  Antennaria rosea subsp. rosea D. M. Thomson 1965-8-7 180 Siskiyou California Lava Beds National Monument; Cave Loop road Comment
  UCR93352  Anthemis cotula Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 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
  HSC3206  Apocynum androsaemifolium Geo. D. Butler 1908-8-24 73 Siskiyou Russian Creek 1067 Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  SBBG21855  Apocynum androsaemifolium D. Myrick 1964-7-25 946 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  SJSU6268  Apocynum androsaemifolium R. W. Trivelpiece 1971-8-18 71 Siskiyou c. 3.5 mi N of Cecilville on S Fork Salmon River, Salmon River Mts 1249 Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  UC922449  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1949-7-25 5871 Siskiyou s. of Paradise Lake; Marble Mt. 1920 Comment
  HSC22434  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1987 Siskiyou Along S Sugar Creek 1921 Comment
  HSC44571  Apocynum androsaemifolium Laura Witherspoon 1977-8-10 Siskiyou 1/2 mi. before camp 3. 976 Comment
  CAS-BOT-BC394980  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC395154  Aquilegia formosa Mrs. H. P. Bracelin 1931-6-19 407 Siskiyou N side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  UC166049  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest foothills Comment
  UC375263  Aquilegia formosa Geo. D. Butler 1908-8-3 358 Siskiyou Shackleford Creek Log Lake Comment
  UC640269  Aquilegia formosa H. and M. Dearing 1939-7-2 3806 Siskiyou near Salmon Mtns 1524 Comment
  CAS-BOT-BC394985  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Comment
  HSC68428  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-4 1395 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC76934  Aquilegia formosa var. formosa K. T. Stillman 1976-8-7 211 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC87012  Aquilegia formosa var. formosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  HSC77285  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  RSA0126147  Arabis divaricarpa Frederick W. Oettinger 1968-9-10 814 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC29187  Arabis glabra Frederick W. Oettinger 1969-8-18 1420 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: W side of Horse Range Lake 1829 Comment
  HSC77245  Arabis glabra var. glabra L. P. Janeway 1983-7-12 414 Siskiyou Near Rd. 19N07, 6.25 mi. N from Indian Cr. Rd. 1311 Comment
  HSC22439  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-1 998 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  HSC90626  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-22 2038 Siskiyou Ridgecrest between Dobkins Lake and Dale Creek drainage 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
  HSC90310  Arabis modesta D. L. Goforth 1980-4-23 468 Siskiyou Salmon River at Grant Bluff 290 Comment
  UC673130  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2915 Siskiyou 10 mi sw Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  JEPS84110  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
Read comments
Feb 24 2021
  HSC62262  Arabis platysperma Al Hobart Siskiyou Youngs Valley Comment
  HSC69274  Arabis platysperma var. howellii Maralyn A. Renner 1980-9-1 2715 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC237  Arabis puberula William J. Ferlatte 1967-7-6 608 Siskiyou Dorleska Summit 2134 Comment
  HSC90567  Arabis puberula Jennifer Whipple 1976-6-12 980 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA149080  Arabis puberula I. L. Wiggins, Dorothy Wiggins 1961-6-15 16493 Siskiyou Quarry on Glass Mountain. Comment
  HSC90606  Arabis suffrutescens Jennifer Whipple 1977-7-22 2037 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  RSA470445  Aralia californica Glenn Chadwick, Mr Chadwick 1911-07 s.n. Siskiyou Shasta springs Comment
  RSA608669  Arceuthobium abietinum Louis C. Wheeler 1963-9-11 8384 Siskiyou Siskiyou Mountains: Dillon Creek, just N of hanging pond NE of Sawtooth Mountain. Comment
  UC1409472  Arceuthobium campylopodum Frederick W. Oettinger 1968-9-5 712 Siskiyou between Diamond and Hancock Lakes Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC375254  Arceuthobium campylopodum Geo. D. Butler 1908-8-4 270 Siskiyou Shackleford Creek Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
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Jun 7 2012
  SEINET2139984  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -49 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness. 1940 Comment
  SEINET2471355  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-20 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness 1730 Comment
  SEINET11989682  Arctostaphylos klamathensis Unknown 1982-1 20802 Siskiyou around little lake above & E of Upper Cliff Lake 1981 Comment
  CAS-BOT-BC39990  Arctostaphylos nevadensis Alice Eastwood 1912-7-19 1243 Siskiyou Mount Shasta Comment
  CAS-BOT-BC40024  Arctostaphylos nevadensis W. B. C. 1938-8-18 11504 Siskiyou Mount Shasta - Horse Camp Slopes Hudsonian 2514 Comment
  UC82957  Arctostaphylos nevadensis J. W. Congdon Aug 1900 Siskiyou near Sisson Comment
  UCD59182  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-10 102 Siskiyou On Cook and Green Pass east of the pass. 1524 Comment
  CAS-BOT-BC46426  Arctostaphylos patula W. R. Dudley 1899-8-21 s.n. Siskiyou Willow Creek Rd. - Gazelle to Callahan's. Comment
  CAS-BOT-BC46483  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  CAS-BOT-BC46491  Arctostaphylos patula C. B. Wolf 1931-9-2 2394 Siskiyou 3 mi. above junction with Pacific Highway on the McCloud Road. 1158 Comment
  HSC4927  Arctostaphylos patula J. O. Sawyer 1968-7-9 409 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA238585  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Mt. Chaparral element due E. of Uncles Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET11977820  Arctostaphylos patula H. P. Chandler 1901-1 1600 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  SEINET11988295  Arctostaphylos patula C. Lamoureux, Srivastava, L.; Gankin, R. 1957-1 260 Siskiyou US 199, E side of hwy, approximately 2 mi N of Weed Comment
  SEINET5730645 Image available Arctostaphylos patula J. Maze 1971-1 728 Siskiyou Near Shasta City Airport; Shasta Comment
  JEPS104785  Arenaria serpyllifolia subsp. serpyllifolia Dean W. Taylor 1996-5-30 15644 Siskiyou base of Sentinel Rocks, Iron Gate Reservoir (about 20 miles east of Yreka); Klamath National Forest 1036 Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  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
  HSC46238  Arnica cernua J. P. Smith 1973-5-5 6372 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA417122  Arnica cernua J. P. Smith 1973-5-5 6486 Siskiyou Along Cook and Green Pass road. Comment
  UC1037313  Arnica chamissonis Leo Whitney 1934-6-23 1836 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CDA10118  Arnica cordifolia T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  UC34177  Arnica cordifolia Harley P. Chandler 1901-6-1 1615 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  UC585145  Arnica cordifolia E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1998 Siskiyou ca 1.5 mi w, (e and ne slope of spur of Rainbow Ridge above Sulloway Creek) Mt. Shasta City; Sulloway Creek, Rainbow Ridge 1180 Comment
  HSC62592  Arnica discoidea Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  JEPS35856  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou 4 mi ne of Sawyers Bar; Russian Creek 1219 Comment
  UCD77356  Arnica discoidea Robert E. Preston 2002-6-19 1822 Siskiyou Dunsmuir, in forest along E bank of Sacramento River. 727 Comment
  HSC60833  Arnica discoidea Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Young's Valley; 1 mile south of Bell Echo 1372 Comment
  HSC22143  Arnica latifolia J. O. Sawyer 1969-7-18 1367 Siskiyou E of Waterdog Lake 2012 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
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  UC1408812  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou nw above Upper English Peak; Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  LA202929  Arnica viscosa Wm. Bridge Cooke; 1939-8-8 13833 Siskiyou Mount Shasta, in the valley of Horse Camp 2468 Comment
  HSC76860  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  HSC30276  Artemisia douglasiana William J. Ferlatte 1971-9-18 1371 Siskiyou Big Flat, near public campground 1524 Comment
  RSA183731  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 232 Siskiyou On trail to backside of Blk. Mt. Comment
  RSA184691  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou North side of Black mountain, Marble Mountains. 2012 Comment
  CHSC32822  Artemisia tridentata Dirk Reith 1979-4-10 2 Siskiyou 10 mi WSW of Newell, 2 mi SW of Tule Lake, in Lava Beds Nat'l Monument. 1371 Comment
  HSC18555  Aruncus dioicus var. acuminatus C. B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  RSA184750  Aruncus vulgaris Gilbert Muth 1966-8-3 497 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  CAS-BOT-BC400588  Asarum caudatum Alice Eastwood 1923-5-18 11853 Siskiyou Shasta Springs Comment
  CAS-BOT-BC400591  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  JEPS49837  Asclepias cordifolia Geo. D. Butler 1908-8-1 79 Siskiyou Forest House road Comment
  UCD121377  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 forest rd. 42N19. 1298 Comment
  RSA15601  Asclepias speciosa C. B. Wolf 1927-8-26 1100 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  UCSB23331  Asclepias speciosa Keefe, Joseph 1967-7-11 Siskiyou 0.2 mile south of Old Stage Road on Castle Stage Road, near Mt. Shasta Hatchery, town of Mt. Shasta 1097 Comment
  CAS-BOT-BC105088  Aspidotis densa R. C. Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93 / Cecilville Rd. (6,200 ft) to Hidden Lake (6,660 ft) 2029 Comment
  CAS-BOT-BC376178  Aspidotis densa Andrew Townesmith; Karen M. Meyer 2007-8-1 885 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
  CAS-BOT-BC69553  Aspidotis densa Ira L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake (head-waters of Grouse Creek). 1828 Comment
  CAS-BOT-BC69598  Aspidotis densa Doris K. Kildale 1928-7-25 5913 Siskiyou Klamath River at Mack's Creek, near Hamburg. Comment
  HSC69706  Aspidotis densa Maralyn A. Renner 1980-6-26 1260 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SEINET10863546  Aspidotis densa Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7016 Siskiyou Mathew's Creek Campground on S fork of Salmon River. 549 Comment
  CAS-BOT-BC69595  Aspidotis densa Donald Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain. Comment
  RSA237847  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou 50 feet below Diamond Lake at base of sheer cliff. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  CAS-BOT-BC99243  Aster W. R. Dudley 1899-8-13 s.n. Siskiyou Near Pig Creek, McCloud Comment
  SEINET11852800  Aster alpigenus var. andersonii C. T. Pringle 1882-1 s.n. Siskiyou Mts. about headwaters of Sacramento River Comment
  SEINET1783729  Aster copelandii E. B. Copeland 1903-9-7 3867 Siskiyou Mt. Eddy. 2744 Comment
  POM351095  Aster frondosus L. C. Wheeler 1934-10-14 3320 Siskiyou Shasta River, 2 miles below Yreka Creek 670 Comment
  CAS-BOT-BC178805  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  CAS-BOT-BC178807  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  POM24210  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Creek Comment
  RSA109717  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  CAS-BOT-BC182968  Astragalus filipes Elmer I. Applegate 1935-6-5 9331 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC187166  Astragalus lentiginosus var. floribundus Alice Eastwood; John Thomas Howell 1940-6-14 8271 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  RSA143714  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou Near Bray. Comment
  HSC101156  Astragalus purshii var. lectulus Dana York 2011-8-12 3050 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  CAS-BOT-BC192966  Astragalus purshii var. purshii L. E. Smith 1913-5-18 231 Siskiyou Bray Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  POM16071  Astragalus purshii var. tinctus E. B. Copeland 1903-7-6 7964 Siskiyou Hornbrook. Comment
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Jan 23 2011
  CHSC81502  Astragalus whitneyi var. confusus Ann Willyard 2000-6-21 744 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
  CAS-BOT-BC198705  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC198707  Astragalus whitneyi var. siskiyouensis A. A. Heller 1915-8-26 12220 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 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
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  CAS-BOT-BC66193  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  UC371153  Athyrium filix-femina var. cyclosorum G. D. Butler 1908-8-4 244 Siskiyou Wooly Creek Cold Spring Camp Comment
  CAS-BOT-BC66181  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at Marble Valley Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  CDA2951  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  UC203922  Avena fatua Geo. D. Butler 1909-9-26 870 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC106540  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  CAS-BOT-BC106545  Balsamorhiza deltoidea Geo. D. Butler 1909-5-1 702 Siskiyou Shasta River Hills Comment
  CAS-BOT-BC106547  Balsamorhiza deltoidea L. E. Smith 1913-5-16 220 Siskiyou Dunsmuir Comment
  CAS-BOT-BC100048  Balsamorhiza hookeri Lincoln Constance; Reed C. Rollins 1942-5-14 2919 Siskiyou One mile east of Yreka 762 Comment
  CAS-BOT-BC100056  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  HSC103648  Balsamorhiza sericea Thomas W. Nelson, Jane Nelson 1985-6-19 7818 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  HSC22466  Barbarea orthoceras J. O. Sawyer 1969-7-18 1371 Siskiyou Above S Russian Creek. 2012 Comment
  RSA237235  Barbarea orthoceras Frederick W. Oettinger 1968-9-10 813 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC43331  Berberis aquifolium var. aquifolium Maralyn O'Meara 1974-5-27 472 Siskiyou Along FS Rd. 47N03 1646 Comment
  LA204057  Berberis aquifolium var. aquifolium Carl B. Wolf; 1934-7-5 5974 Siskiyou Siskiyou Mountains, 4.7 mi. from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout 1219 Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  HSC45196  Berberis aquifolium var. repens J. O. Sawyer, E. Cope 1977-6-21 2987 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  CAS-BOT-BC75720  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  CAS-BOT-BC75726  Berberis nervosa Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  HSC99792  Berberis nervosa G. L. Clifton, Griswold 1979-6-27 6093 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CAS-BOT-BC75925  Berberis piperiana Doris K. Kildale 1929-7-20 8653 Siskiyou Trail up South Fork Indian's Creek to Elk Lick. Comment
  CAS-BOT-BC75999  Berberis pumila L. E. Smith 1913-5-4 249 Siskiyou Hornbrook. Comment
  CHSC91250  Betula occidentalis Lowell Ahart; John Dittes 2005-6-10 12072 Siskiyou On the north side of the Shasta River, near rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA233715  Betula occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed along road to Kangaroo Lake. Comment
  UC1192188  Bidens cernua Verne Grant and Irving Schneider 1947-8-26 8295 Siskiyou irrigation ditch w of Tule Lake Comment
  HSC69182  Bistorta bistortoides Maralyn A. Renner 1980-8-31 2638 Siskiyou Twin Valley. 1494 Comment
  HSC92957  Bistorta bistortoides Jennifer Whipple 1978-10-6 2400 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  CHSC63494  Blepharipappus scaber Vernon H. Oswald; Lowell Ahart 1994-8-1 6444 Siskiyou Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed. 1146 Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  POM31556  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka. Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  CHSC36131  Boechera breweri K. Bridwell 1978-4-15 95 Siskiyou Irongate Reservoir at Jenny Creek, ca. 20 mi ne of Hornbrook. 762 Comment
  SEINET193233  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Scott River 2 miles northwest of Scott Bar. 488 Comment
  CAS-BOT-BC13809  Boechera howellii William Bridge Cooke 1941-8-14 16177 Siskiyou Mount Shasta. Above Horse Camp. 2743 Comment
  JEPS83576  Boechera platysperma Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9238 Siskiyou Porcupine Lake 1304 Comment
  CAS-BOT-BC25424  Boechera retrofracta Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  JEPS85500  Boechera rollei Wayne E. Rolle 1985-8-27 Siskiyou near Lilypad Lake (and Kangaroo Mt., Red Butte) 1767 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
  CAS-BOT-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  CAS-BOT-BC25870  Boechera subpinnatifida L. E. Smith 1914-4-20 636 Siskiyou Yreka. Comment
  HSC248  Boschniakia strobilacea William J. Ferlatte 1966-8-5 345 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC22126  Boschniakia strobilacea J. O. Sawyer 1969-7-1 996 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  HSC60120  Boschniakia strobilacea M. A. Baker 1978-5-20 584 Siskiyou 3 km N of Somes Bar Comment
  CHSC1632  Boykinia major M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  RSA211104  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UCR101155  Boykinia major L. C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mtns., Head of Hell's Canyon 993 Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  CDA30921  Brickellia californica M. Beyers, G. F. Hrusa 2010-8-18 700 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  RSA15650  Brickellia californica C. B. Wolf 1927-8-26 1005 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC69142  Brickellia greenei Maralyn A. Renner 1980-8-8 2475 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA593950  Brickellia greenei L. C. Wheeler 1963-8-30 8309 Siskiyou Siskiyou Mountains. Mouth of Preston Creek at Clear Creek. 792 Comment
  UCD57883  Bromus carinatus Alton 1953-7-28 KNF 5 Siskiyou Siskiyou-Trinity Co. line. Klamath N. F. Long Gulch Camp. 1889 Comment
  JEPS69151  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest foothills Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  UC593531  Bromus laevipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1907 Siskiyou about 7 mi sw of Yreka (s of highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  RSA239068  Bromus marginatus Frederick W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  RSA239136  Bromus marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC144490  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs Comment
  RSA239071  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Northeast of Crapo Ridge above Tom Taylor cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  POM363990  Bromus tectorum M. B. Dunkle 1945-7-19 9233 Siskiyou Klamath National Forest. Marble Mts. Marble summit, Marble rim trail. Comment
  UC164911  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou near Yreka Comment
  UC618647  Bromus tectorum W. Bridge Cooke 1938-7-1 11159 Siskiyou above Bear Spring (near the Bear Spring-Wagon Camp Road, Mount Shasta); Mount Shasta 1676 Comment
  RSA60714  Bromus tectorum var. glabratus I. L. Wiggins 1950-5-27 12356 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  JEPS20947  Cacaliopsis nardosmia W. L. Jepson Jul 17 1902-Jul 22 1902 2073 Siskiyou Devil's Backbone, Western Siskiyou 1828 Comment
  RSA30370  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  HSC30590  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-8-16 1404 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow, English Lake Meadow 1677 Comment
  RSA126056  Calamagrostis koelerioides I. L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area. 2043 Comment
  UC1265435  Calamagrostis koelerioides F. W. Oettinger 1969-9-3 683 Siskiyou slope w Horse Range Lake (nw of Horse's Hole Pond); Salmon Mountains 1920 Comment
  SJSU11316  Calamagrostis rubescens S. H. Casey 1981-7-4 1209 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 6 mi N of Seiad Valley 1706 Comment
  HSC44233  Callitropsis nootkatensis A. Borden 1976-10-6 Siskiyou Elk Hole S edge 1506 Comment
  HSC65557  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 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
  RSA360080  Calochortus coeruleus Louis C. Wheeler 1934-6-7 2655 Siskiyou North Hungry Creek. 1220 Comment
  RSA68949  Calochortus coeruleus A. E. Culbertson 1943-6-19 9 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC488606  Calochortus elegans var. nanus Annie M. Alexander; Louise Kellogg 1949-7-21 5823 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CHSC67725  Calochortus longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou At Wiley Ranch. Comment
  CHSC2237  Calochortus macrocarpus V. Holt 1932-7-11 Siskiyou Haystack Butte. Comment
  CHSC40545  Calochortus nudus J. D. Jokerst 1983-6-5 1819 Siskiyou Ca. 15 air miles east of McCloud. Comment
  CHSC41222  Calochortus nudus J. D. Jokerst 1983-7-6 1833 Siskiyou Sand Flat Well. Near the north-south oriented USFS road that traverses east edge of meadow. Ca. 5 mi. N of Pondosa and Hwy. 89. Comment
  SBBG22938  Calochortus nudus H. and M. Dearing 1939-6-30 3754 Siskiyou near Callahan, Trinity Alps Rd Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
  JEPS80502  Caltha biflora Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mt. Wilderness Area. 1792 Comment
  RSA0120945  Caltha biflora Frederick W. Oettinger 1967-7-6 151 Siskiyou Statue Creek just below the highest clear out block of the Music Creek Logging Sale (block M). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC181516  Caltha leptosepala Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC61820  Caltha leptosepala Ruby Van Deventer Jun 1961 Siskiyou Poker Flat 1585 Comment
  RSA788202  Calycadenia truncata R. L. Carr 1977-7-2 2010 Siskiyou Along Klamath River exit of I-5, 12 mi N of Yreka. 641 Comment
  UCD129884  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  POM52739  Calycadenia truncata subsp. scabrella Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  POM55529  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  CAS-BOT-BC272749  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  HSC22850  Calyptridium monospermum J. O. Sawyer 1969-7-2 1000 Siskiyou E of Twin Lakes 2195 Comment
  UC61082  Calyptridium monospermum W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson; Mount Shasta, Sisson Comment
  UC618664  Calyptridium umbellatum W. Bridge Cooke 1938-8-21 11538 Siskiyou Mount Shasta, Horse Camp Flats Horse Camp Flats; Mount Shasta, Horse Camp Flats 2438 Comment
  CAS-BOT-BC497586  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC37003  Camelina microcarpa A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3409 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. Comment
  RSA68916  Campanula prenanthoides A. E. Culbertson 1943-8-1 42 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  SD88317  Campanula prenanthoides Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1705 Comment
  SEINET10462858  Campanula prenanthoides Butler 1971-8-11 BUTLER 297 Siskiyou NEAR EL CAPITAN LAKE, PRESON PEAK QUAD. NR CAVE JCT 5200 Comment
  SEINET10463022  Campanula prenanthoides Wolf 1927-8-26 WOLF 1064 Siskiyou KLAMATH R., 8 MI ABOVE HAMBURG Comment
  SEINET10463107  Campanula prenanthoides Louis Krautter 1905-7-8 Krautter 178 Siskiyou South of Mount Shasta Comment
  SEINET10463110  Campanula prenanthoides Kildale 1929-7-20 KILDALE 8650 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  SEINET10873273  Campanula prenanthoides Rose 1945-6-22 Rose 45153 Siskiyou Horse Creek & Klamath R 1650'. Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  SEINET10463778  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Sisson's meadows, near Shasta Comment
  CAS-BOT-BC37315  Cardamine breweri William Bridge Cooke 1939-6-23 13508 Siskiyou Mount Shasta. Along the creeks in Bear Springs. 1524 Comment
  HSC44967  Cardamine californica J. O. Sawyer 1978-6-19 3260 Siskiyou Marble Mtn. Wilderness Area, Big Meadows Creek-Bug Gulch trail junction above Wild Lake 1707 Comment
  HSC68475  Cardamine californica Maralyn A. Renner 1980-6-26 1218 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC38067  Cardamine pachystigma W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, vicinity of Mount Shasta. Comment
  SEINET10343551  Carex angustata Philip E. Hyatt 2002-8-6 11142 Siskiyou Ft. Goff Recreation Area along Klamath River Comment
  HSC39285  Carex angustata J. O. Sawyer 1969-6-12 889 Siskiyou Sugar Creek 1515 Comment
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  CAS-BOT-BC19662  Carex brainerdii J. Major 1961-7-14 646 Siskiyou Mount Shasta. Along Mud Creek. 1828 Comment
  CHSC62795  Carex buxbaumii L. P. Janeway 1993-8-30 4563 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CAS-BOT-BC34382  Carex cusickii W. J. Ferlatte 1966-8-2 234 Siskiyou Trinity Alps. Big Flat Hillside. Between campground and South Fork of the Salmon River. 1524 Comment
  CAS-BOT-BC34942  Carex densa William Bridge Cooke 1940-6-20 15146 Siskiyou Shore of the Klamath River near the Pacific Highway below Hornbrook. 609 Comment
  HSC79088  Carex diandra L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  HSC67677  Carex echinata subsp. echinata John Palmer 1980-7-24 598 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC19919  Carex epapillosa Alice Eastwood 1921-7-28 10940 Siskiyou Medicine Lake. Comment
  JEPS128455  Carex geyeri Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -056 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  JEPS93901  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-3 9442 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CHSC40187  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou At edge of rd 18N33 ca 7 mi from the Grayback Rd. 1463 Comment
  SEINET8987782 Image available Carex hassei P. Zika, Wilson, B 2011-1 25668 Siskiyou FS Road 41NO3, 1.6 road miles from junction with Gazelle- Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains. Klamath Range (KR) Comment
  SEINET12578598  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  HSC97427  Carex hoodii Jennifer Whipple 1977-7-22 2031 Siskiyou SW of Dobkins Lake along the drainage into the lake 2195 Comment
  CAS-BOT-BC7657  Carex integra John Thomas Howell 1937-7-22 13253 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1265342  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou near Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  JEPS100906  Carex interior Dean W. Taylor 1988-7-8 9936 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  SEINET3902483  Carex jepsonii D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19530 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud, CA.; 0 Comment
  HSC69338  Carex jonesii John S. Palmer 1980-8-13 784 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  RSA237328  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC60901  Carex lenticularis var. impressa Al Hobart Siskiyou Black Butte Comment
  JEPS109242  Carex lenticularis var. lipocarpa D. W. Taylor 2005-8-18 19481 Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  HSC29638  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Marble Mtns. Wilderness Area, Tom's Lake, lower meadow 2012 Comment
  HSC37422  Carex leptopoda J. O. Sawyer 1968-7-10 493 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1147817  Carex luzulina var. ablata John Thomas Howell 1937-7-23 13332 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  POM254198  Carex luzulina var. ablata J. T. Howell 1939-8-7 15120 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  JEPS95952  Carex mendocinensis Vernon H. Oswald and L. Ahart 1999-7-5 9818 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate 1365 Comment
  UCD140645  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC32002  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  HSC97418  Carex multicaulis Jennifer Whipple 1976-6-12 983 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  JEPS87083  Carex multicaulis J. Kierstead 1991-6-20 91 -69 Siskiyou 1 mi s Mumbo Basin (at jct. of Forest Service Rds. 40N26 and 38N24); Mt. Shasta Ranger Dist. 1889 Comment
  CAS-BOT-BC32013  Carex multicaulis R. E. Frenkel 1964-7-13 697 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 0.4 mi N of McCloud River RR crossing. 1176 Comment
  JEPS84067  Carex multicaulis L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6484 Siskiyou e Cook and Green Pass (w ridge of Cooper Butte); Cooper Butte 1554 Comment
  SEINET10713500  Carex multicaulis William B. Cooke 1941-8-28 Cooke 16237 Siskiyou Scattered through the dry Shasta Fir woods in the vicinity of Squaw Valley Creek, Mt. Shasta. 2286 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley Comment
  CAS-BOT-BC119897  Carex nebrascensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11818 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  JEPS109224  Carex nervina D. W. Taylor 2005-8-18 19476 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  RSA237303  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET7569408 Image available Carex nudata Frederick W. Oettinger 1968-9-5 709 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  SEINET7572539 Image available Carex preslii Ray Tallent 1987-8-12 909 Siskiyou Klamath National Forest, trail to Long Gulch Lake. 1939 Comment
  CAS-BOT-BC118793  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek, the creek which flows in a gully S of Horse Camp. 2438 Comment
  SD61024  Carex raynoldsii Darley F. Howe 1964-8-4 Siskiyou Modoc National Forest; Medicine Lake; meadow. 2012 Comment
  SEINET7573864 Image available Carex rossii Barbara L. Wilson 1996-5-31 8101 Siskiyou Klamath National Forest, 3.4 miles east of the highway rest area at Grass Lake on Highway 97, at intersection with a dirt road marked "M.P. 372.8". 1524 Comment
  HSC91375  Carex rostrata Jennifer Whipple 1977-8-6 2244 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC76822  Carex scabriuscula L. P. Janeway 1982-9-3 185 Siskiyou At Little Carmen Lake, NW of Scott Mtn., 1 m from NW edge 1768 Comment
  HSC39280  Carex scopulorum J. O. Sawyer 1969-7-25 1562 Siskiyou Above High Lake 2104 Comment
  CHSC113797  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountian. Klamath Range. (KR) 1000 Comment
  RSA364763  Carex serratodens L. C. Wheeler 1934-6-7 2657 Siskiyou North Hungry Creek. 1220 Comment
  UC1190189  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC26706  Carex spectabilis William J. Ferlatte 1971-9-18 1379 Siskiyou Caribou Basin, Sawtooth Ridge 2256 Comment
  RSA238958  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  SEINET10749876  Carex straminiformis Edwin B. Copel 1903-8-16 Copeland 3893 Siskiyou Mt. Shasta. 2438 Comment
  CHSC82804  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  CAS-BOT-BC115843  Carex subfusca Lewis Samuel Rose 1937-7-3 37393 A Siskiyou Unspecified. 944 Comment
  RSA211378  Carex utriculata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin. 1677 Comment
  JEPS25938  Carex vesicaria B. C. Goldsmith 1916-9-29 27 Siskiyou shore, Medicine Lake Medicine Lake 2072 Comment
  HSC30551  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Marble Mtn. Wilderness Area, W shore of Abbotts Lake 1723 Comment
  JEPS74507  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  RSA126264  Cassiope mertensiana subsp. ciliolata I. L. Wiggins 1955-7-29 13570 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area. 2073 Comment
  UC142949  Cassiope mertensiana subsp. ciliolata Dr. E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2590 Comment
  CHSC36159  Castilleja angustifolia K. Bridwell 1978-7-6 168 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. MDM. 1645 Comment
  HSC58882  Castilleja applegatei Marvin Butler 1971-7-13 121 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC249374  Castilleja applegatei K. L. Chambers 1967-6-22 2866 Siskiyou Siskiyou Mountains. About 500 ft. above and east of the freeway (Hwy. 5) at Hilts exit, Siskiyou Pass 1097 Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC91220  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-12 978 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA425924  Castilleja applegatei subsp. pinetorum E. E. Stanford 1930-6-15 1590 Siskiyou Near Shasta City. 1098 Comment
  UC1034030  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 18 1940-Jul 19 1940 26185 Siskiyou 2-3 mi n Mount Shasta City (Route 99) 1158 Comment
  UC164278  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  HSC61197  Castilleja arachnoidea Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  JEPS90564  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave; Upper Modoc Plateau, Medecine Lake highland 1798 Comment
  UC1408871  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2194 Comment
  HSC12268  Castilleja arachnoidea Richard Spjut 1970-7-24 891 Siskiyou Mt. Shasta above ski lodge 2591 Comment
  RSA429371  Castilleja arachnoidea M. B. Dunkle 1945-08 9291 Siskiyou Klamath Nat'l Forest. Marble Mtns. 2439 Comment
  POM259363  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-8 15182 Siskiyou Marble Mountains: Black Mountain. Comment
  JEPS60243  Castilleja lacera L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2304 Siskiyou about 10 mi sw MacDoel (Bull Meadow on Ball Mountain Road); Bull Meadow 1584 Comment
  CAS-BOT-BC253613  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC254013  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  UC163708  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou foothills Goosenest Mountain Comment
  CAS-BOT-BC254111  Castilleja miniata Wm. Bridge Cooke 1938-7-15 11191 Siskiyou Mt. Shasta. Meadow 1524 Comment
  CDA33294  Castilleja miniata T. C. Fuller 1974-9-24 20044 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  UC651920  Castilleja miniata Hugh and Margaret Dearing 1939-7-2 3804 Siskiyou Salmon Mountain summit; Salmon Mountain Comment
  CAS-BOT-BC32556  Castilleja muscipula John Thomas Howell 1939-8-4 15060 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  NY68148  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Comment
  HSC19020  Castilleja pruinosa J. O. Sawyer 1969-7-25 1538 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC76975  Castilleja pruinosa K. T. Stillman 1976-6-25 71 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  HSC58954  Castilleja schizotricha Gilbert Muth 1975-7-31 4469 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  JEPS24455  Castilleja schizotricha Al Hobart 1960-7-19 1029 Siskiyou n slope Preston Peak Comment
  RSA428401  Castilleja schizotricha M. B. Dunkle 1945-1 9297 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC103024  Catalpa bignonioides J. P. Smith 2014-6-6 13882 Siskiyou Along State Route 96, east of its junction with Dutch Creek Road, along bank of the Klamath River 589 Comment
  UC61166  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  JEPS42428  Ceanothus integerrimus W. L. Jepson 1914-8-14 6170 Siskiyou Dunsmuir 670 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  RSA136296  Ceanothus integerrimus var. californicus Geo. D. Butler 1920-5-21 1381 Siskiyou Sikiyou county: Klamath hills Comment
  CAS-BOT-BC50683  Ceanothus integerrimus var. macrothyrsus K. L. Chambers 1967-6-22 2855 Siskiyou Siskiyou Mountains: rocky knoll ca. 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC50684  Ceanothus integerrimus var. macrothyrsus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. Hilt Comment
  CAS-BOT-BC50691  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1923-5-20 11869 Siskiyou Shasta Springs Comment
  CAS-BOT-BC53089  Ceanothus prostratus L. B. Kildale 1930-6-1 9821 Siskiyou Etna Mills Comment
  HSC100190  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13410 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  HSC36947  Ceanothus prostratus J. P. Smith 1974-5-26 7587 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  JEPS83631  Ceanothus sanguineus R. Raiche, K. Zadnik 1987-9-1 RR 70698 Siskiyou US Forest Svc Rd 47N01 ca 0.5 mi n of bridge over W Fork (Jaynes Cyn below confluence of Jaynes Crk and W Fork of Beaver Crk, nw of Klamath River (town), Jaynes Cyn..); below confl Jaynes Crk and W Fork Beaver Crk, Jaynes Cyn dra 987 Comment
  JEPS42169  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackelford Creek Log Lake 1524 Comment
  RSA82882  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, S slope of Mt Shasta. 1524 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain 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
  CAS-BOT-BC52847  Ceanothus velutinus var. velutinus C. B. Wolf 1931-9-8 1269 Siskiyou 1 mile west of Summit of Grade on road from mt. Shasta City to McCloud 1219 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
  CDA37883  Centaurea diffusa CDFA Staff 1991-1 s.n. Siskiyou Fort Jones. 0 Comment
  CDA18843  Centaurea maculosa R. Breckenridge 1999-6-3 PDR 909442 Siskiyou Along I-5 near Simms Road underpass in the vicinity of Dunsmuir. 0 Comment
  UC1776773  Centaurea stoebe subsp. micranthos Steelman 1996-7-10 s.n. Siskiyou Mott Road exit from I-5, north of Dunsmuir Comment
  CAS-BOT-BC288801  Centromadia fitchii Carl B. Wolf 1927-8-26 1003 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  UC1045260  Cephalanthera austiniae W. Bridge Cooke 1940-7-5 15226 Siskiyou near Bear Springs Mt. Shasta 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
  UC922390  Cerastium arvense Annie M. Alexander and Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1767 Comment
  RSA184742  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  CDA3351  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2584 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  HSC68106  Cerastium fontanum subsp. vulgare J. P. Smith 1973-5-5 6499 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CAS-BOT-BC207627  Cercis occidentalis Doris K. Kildale 1929-4-27 7848 Siskiyou Cecilville, south fork of Salmon River. Comment
  HSC27672  Cercis occidentalis Carl W. Mize 1972-6-8 28 Siskiyou Along the main trail 351 Comment
  CAS-BOT-BC147685  Cercocarpus betuloides var. betuloides W. R. Dudley 1901-8-1 s.n. Siskiyou Salmon Mountains 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
  CAS-BOT-BC148525  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park - Mount Shasta 2438 Comment
  POM351687  Chaenactis carphoclinia M. B. Dunkle 1945-1 9286 Siskiyou Klamath National Forest, Marble Mountains, Kings Castle 2378 Comment
  SD88331  Chaenactis douglasii var. achilleifolia Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 1220 Comment
  CAS-BOT-BC100653  Chaenactis douglasii var. alpina Wm. Bridge Cooke 1938-9-8 11662 Siskiyou Mount Shasta, near Squaw Creek Meadows 2590 Comment
  CAS-BOT-BC276766  Chaenactis douglasii var. douglasii W. B. Cooke; V. G. Cooke 1965-7-12 35177 Siskiyou Bolam Road, Mount Shasta Comment
  HSC92684  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-14 1471 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC106040  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  CAS-BOT-BC106045  Chaenactis suffrutescens Joy D. Mastrogiuseppe 1974-9-2 177 Siskiyou Ridge of Red rock Mountain 2255 Comment
  UC195206  Chaenactis suffrutescens Annie M. Alexander and Louise Kellogg 1911-8-12 308 Siskiyou near Toad Lake 2072 Comment
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Mar 20 2012
  UC584274  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2440 Siskiyou 1 to 3 mi s of Greenview (along w side of Scott Valley); Scott Valley 853 Comment
  SEINET1004220  Chamaebatiaria millefolium Mark Fishbein, Lane Greer 2006-1 5872 Siskiyou Along Forest Service Rd 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  HSC46341  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC43153  Chamaesyce glyptosperma Ken Stillman 1976-8-24 430 Siskiyou Along the Klamath River at Williams Point 366 Comment
  JEPS9008  Chamaesyce ocellata subsp. ocellata W. L. Jepson 1914-8-13 6159 Siskiyou Dunsmuir 670 Comment
  UC1601872  Chamaesyce serpyllifolia Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2584 Siskiyou vicinity Mount Shasta Comment
  HSC373  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake Basin 1677 Comment
  HSC69235  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2711 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS355  Cheilanthes gracillima Geo. D. Butler 1910-7-12 1754 Siskiyou Shackelford Creek Shackelford Creek Comment
  UC725674  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou e side Mt Eddy (near Wagon Creek) 1524 Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  CAS-BOT-BC68249  Cheilanthes gracillima Geo. D. Butler 1908-8-5 237 Siskiyou Near Cold Spring West Fork of Woolly Creek Comment
  RSA239012  Cheilanthes gracillima Frederick W. Oettinger 1966-6-22 27 Siskiyou Salmon River district, Klamath 1829 Comment
  UC1593361  Cheilanthes gracillima Alan Smith with Chris Richards, and C. Don Macneill 1992-6-5 2538 Siskiyou along Cave Loop Rd above Visitor's Center (Blue Grotto Cave); Lava Beds Nat'l Monument 1524 Comment
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May 30 2013
  UC399623  Cheilanthes gracillima H. M. Hall 1909-7-28 8647 Siskiyou head of Salmon River 1645 Comment
  JEPS59738  Chenopodium botrys W. L. Jepson 1914-8-9 5742 Siskiyou McCloud 1036 Comment
  HSC65133  Chenopodium fremontii J. P. Smith, Steve Selva 1970-6-17 4415 Siskiyou Along Klamath River Comment
  HSC4387  Chenopodium leptophyllum D. M. Thomson 1965-8-6 167 Siskiyou Lava Beds National Monument, S side of Cauldwell Butte Comment
  JEPS80663  Chenopodium pratericola W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou Andesite Road at US-97 (n base of mt.); Mt. Shasta Comment
  UCR90894  Chimaphila menziesii Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  CAS-BOT-BC451438  Chimaphila menziesii S. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC452279  Chimaphila umbellata Doris K. Kildale 1929-8-24 9074 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  HSC69313  Chimaphila umbellata Maralyn A. Renner 1980-7-24 1970 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1483423  Chimaphila umbellata John Palmer 1980-8-15 1007 Siskiyou n.e. Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath Nat'l Forest, Seiad Valley Quad. 1463 Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC21653  Chimaphila umbellata C. B. Bradley 1879-1 Siskiyou Comment
  RSA96940  Chimaphila umbellata subsp. occidentalis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20266 Siskiyou Castle Lake, Foresst service camp, s.w. of town of Mt. Shasta. 1250 Comment
  CAS-BOT-BC39661  Chorispora tenella John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53374 Siskiyou 2 miles south of Grenada, Shasta Valley. 762 Comment
  CAS-BOT-BC252662  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird, Mount Shasta Comment
  UC849194  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird (Mount Shasta); , Pitt to Baird Comment
  CAS-BOT-BC36380  Chrysolepis chrysophylla W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mountains Comment
  HSC4939  Chrysolepis chrysophylla J. O. Sawyer 1968-7-10 461 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA604378  Chrysolepis chrysophylla Louis C. Wheeler 1959-7-25 7597 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC36239  Chrysolepis sempervirens C. H. Merriam 1898-9-28 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC36246  Chrysolepis sempervirens Mrs. H. P. Bracelin 1931-6-19 408 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  HSC91334  Chrysolepis sempervirens Jennifer Whipple 1976-9-4 1796 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2348 Comment
  JEPS24624  Chrysolepis sempervirens Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6777 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everitt Memorial Highway to Panther Meadow, sw base of Mt Shasta); Mt. Shasta, Everitt Memorial Highway 1219 Comment
  JEPS37660  Chrysolepis sempervirens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  UC618842  Chrysolepis sempervirens unknown 1938-9-8 11645 Siskiyou n side Red Butte; Mount Shasta Comment
  UC847773  Chrysolepis sempervirens Lewis S. Rose 1937-7-25 37594 Siskiyou Mt. Shasta City 1158 Comment
  CAS-BOT-BC36240  Chrysolepis sempervirens W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Tavern Comment
  SEINET10615096 Image available Chrysothamnus parryi subsp. latior A. Arthur Heller 1915-8-26 Heller 12250 Siskiyou Wagon creek at the foot of Mt. Eddy. The original stand of Jeffrey pine has been succeeded by a good growth of Pseudotsuga and white fur. Common undershrubs are manzanita, Ceanothus and Pasania. Comment
  JEPS15738  Cicuta douglasii Willis L. Jepson July, 1894 14231 Siskiyou by stage-road n of Sisson (Mount Shasta); Mount Shasta Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  JEPS69768  Circaea alpina subsp. pacifica W. B. and V. G. Cooke 1972-7-6 45455 Siskiyou along Mud Creek Dam rd. Mt. Shasta 1371 Comment
  UC164412  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC32848  Cirsium botrys L. E. Smith 1913-6-25 397 Siskiyou Montague Comment
  CDA1179  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou Near Weed; Shasta Valley; Slough Rd about 2 miles south of Louie Rd. 0 Comment
  CAS-BOT-BC278037  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278040  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278045  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Just east of Montague Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  JEPS105061  Cirsium douglasii var. breweri Dean W. Taylor 1996-7-11 15782 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  CAS-BOT-BC288013  Cirsium occidentale var. candidissimum Lewis S. Rose 1945-6-22 45155 Siskiyou Walker, Klamath River 533 Comment
  JEPS59177  Cirsium remotifolium var. odontolepis Geo. D. Butler 1908-8-4 335 Siskiyou Cold Spring Camp , Wooly Creek 1676 Comment
  CAS-BOT-BC164966  Clarkia rhomboidea H. A. Thomas; J. H. Thomas 1954-7-27 4554 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  CAS-BOT-BC439141  Claytonia exigua subsp. exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53412 Siskiyou Fort Jones 853 Comment
  UC163798  Claytonia exigua subsp. exigua Geo. D. Butler 1909-4-17 674 Siskiyou near Yreka Comment
  POM228993  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC443829  Claytonia rubra subsp. rubra H. A. Thomas; J. H. Thomas 1954-7-21 4427 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC726455  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  CAS-BOT-BC451758  Claytonia serpenticola Harley P. Chandler 1901-6-1 1690 Siskiyou North Coast Ranges. Marble Mountain 2286 Comment
  CAS-BOT-BC443866  Claytonia sibirica Clarence R. Quick 1959-6-19 59 -23 Siskiyou 6.7 miles south of Cour [Four] Corners on ridge south-east of Seiad Valley Comment
  RSA238294  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
  CAS-BOT-BC92763  Clematis ligusticifolia Doris K. Kildale 1928-7-1 5318 Siskiyou Forks of Salmon. Comment
  RSA377072  Clintonia uniflora Louis C. Wheeler 1934-8-10 3105 Siskiyou Siskiyou Mountains, Jaynes Canyon 1128 Comment
  UC1409411  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou area due w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1950 Comment
  UC1114145  Collinsia parviflora Gene B. Newcomb, H. G. Baker Mar 28 1959-Mar 29 1959 232 Siskiyou 4.5 mi n of city limits of Yreka (on US Highway 99); US Highway 99 914 Comment
  HSC19051  Collinsia parviflora J. O. Sawyer 1969-7-1 964 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC74914  Collinsia rattanii J. P. Smith 1978-5-28 9951 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  HSC41801  Collinsia rattanii Brent Whiteley 1975-7-8 146 Siskiyou Klamath National Forest 762 Comment
  RSA237935  Collomia grandiflora Frederick W. Oettinger 1968-8-11 483 Siskiyou Tom Taylor Cabin spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1059038  Collomia tinctoria W. Bridge Cooke 1956-7-16 30306 Siskiyou along old logging road above Hotlum Station (n side of mountain); Mount Shasta Comment
  UC2013021  Collomia tinctoria Barbara Ertter 1990-7-14 9333 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  HSC44944  Collomia tinctoria J. O. Sawyer 1978-6-18 3238 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  CAS-BOT-BC180418  Comandra umbellata subsp. californica Alice Eastwood 1912-7-23 1315 Siskiyou Dunsmuir Comment
  UC1282020  Convolvulus arvensis Louise Kellogg Aug 8 1953-Aug 9 1953 118 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  HSC497  Corallorhiza maculata William J. Ferlatte 1966-8-5 324 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC4415  Corallorhiza maculata Milo S. Baker 1893-7-15 Siskiyou 6 mi below Bartles; McCloud River Comment
  RSA237632  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Steep west-southwest slope north-northeast of Pine Lake. The Salmon Mountains; high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2073 Comment
  SEINET10469999  Corallorhiza maculata Mary Susan Taylor 1980-7-8 Taylor 3106 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  RSA0006005  Cordylanthus pallescens Francis W. Pennell 1940-7-18 26184 Siskiyou 2-3 mi. north of Mt. Shasta City. 1159 Comment
  HSC92118  Cordylanthus tenuis subsp. pallescens T. I. Chuang, L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, NW of Mount Shasta City 1067 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  UC1012233 Image available Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-19 26184 Siskiyou N of Mt. Shasta City, Siskiyou Co. Comment
  RSA412337  Cordylanthus tenuis subsp. tenuis Louis C. Wheeler 1934-8-31 3231 Siskiyou West Fork Beaver Creek, Siskiyou Mtns. 1159 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  POM43385  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou Quartz Valley near Shakleford Creek. Comment
  CAS-BOT-BC101078  Coreopsis lanceolata John H. Thomas 1969-9-7 15466 Siskiyou near railroad tracks, McCloud Comment
  RSA397465  Cornus nuttallii Christopher Davidson 1975-6-5 2648 Siskiyou 2.0 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1189 Comment
  UC796577  Cornus nuttallii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11748 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  SEINET12136386  Cornus nuttallii M. Ownbey, Brown, D. H. 1941-1 2426 Siskiyou on road between Craggy Mountain & Deadwook Lookout, NW of Yreka Comment
  HSC19269  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 488 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  CHSC71469  Crepis acuminata Vernon H. Oswald; Lowell Ahart 1998-7-21 9319 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  SBBG30619  Crepis acuminata D. Myrick 1968-6-22 1989 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC5440  Crepis acuminata D. M. Thomson 1965-6-19 100 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  CAS-BOT-BC291528  Crepis intermedia Louis C. Wheeler 1934-6-29 2829 Siskiyou Soda Creek, Klamath Forest 1066 Comment
  HSC5449  Crepis intermedia R. C. Wunner 1965-6-22 258 Siskiyou California Lava Beds National Monument, Canby Bay. 1220 Comment
  CHSC86668  Crepis monticola Jenny Marr 1993-7-1 51 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  UCD130939  Crepis monticola G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3261 Siskiyou 3 miles south of Yreka. 822 Comment
  SEINET11835673  Crepis occidentalis H. P. Chandler 1901-1 1644 Siskiyou North Coast Ranges, Marble Mountain Comment
  CAS-BOT-BC376493  Crepis occidentalis subsp. conjuncta Lewis S. Rose 1937-7-3 37388 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  HSC2264  Crepis pleurocarpa Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  UC195184  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1911-8-12 310 Siskiyou near Toad L. Comment
  CAS-BOT-BC290871  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou 2 mi. E White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC299730  Crocidium Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka hills 914 Comment
  HSC63065  Crocidium multicaule David Wheeler 1979-4-8 34 Siskiyou N facing slope Comment
  CHSC63600  Cryptantha ambigua Vernon H. Oswald; Lowell Ahart 1994-8-10 6455 Siskiyou Pilgrim Creek Rd. (FS 13) just E of Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  UC711887  Cryptantha ambigua Roxana S. Ferris and Laura Lorraine 1941-8-11 10496 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  JEPS101142  Cryptantha intermedia Dean W. Taylor 1996-6-18 15724 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  UCD120091  Cryptantha sobolifera A. H. Murphy 1959-7-22 59 K Siskiyou Trinity-Siskiyou County, Shasta National Forest, summit between Bear Creek and Toad Lake. 2346 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  POM265146  Cupressus bakeri O. V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove; Cook and Green Reg. 1067 Comment
  UC650675  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove Cook and Green Region, Sullivan Mine Grove 1066 Comment
  POM120002  Cupressus bakeri Geo D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills 1220 Comment
  RSA28202  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava Beds 1037 Comment
  SEINET10899793 Image available Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-9 Wolf 2131 Siskiyou Siskiyou Mts. Above W. Fork of Seiad Creek, 3/4 mi above forks of creek. Arid transition:- Yellow Pines, Douglas Firs. Sun. S slope in red rock. 1160 Comment
  RSA292911  Cuscuta howelliana Reino Alava 1958-9-2 2392 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. Comment
  UC1045305  Cycladenia humilis var. humilis unknown 1940-8-22 15476 Siskiyou w. bank Mud Creek Canyon, Mt. Shasta Mt. Shasta, Mudd Creek Canyon Comment
  CDA39726  Cycladenia humilis var. humilis J. Massey & B. Ruddiman 1975-7-24 s.n. Siskiyou Near Tulelake 0 Comment
  UCD127598  Cymopterus terebinthinus var. californicus K. M. Meyer; A. Townesmith 2007-8-2 185 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  UC164152  Cynoglossum grande Geo. D. Butler 1909-4-14 594 Siskiyou Humbug rd. 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
  CHSC71508  Cyperus squarrosus Vernon H. Oswald; Lowell Ahart 1998-7-21 9338 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  JEPS64062  Cyperus squarrosus Geo. D. Butler 1909-9-12 867 Siskiyou Oro Fino Comment
  HSC66254  Cypripedium californicum Maralyn A. Renner 1980-7-4 1381 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC133738  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136503  Cypripedium fasciculatum Lester Rowntree 1937-7-31 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC1037347  Cystopteris fragilis Leo Whitney 1935-7-15 3569 Siskiyou 2 mi se Medicine Lake (stream near Bullseye Lake) 1981 Comment
  CAS-BOT-BC70720  Cystopteris fragilis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  HSC92572  Cystopteris fragilis Jennifer Whipple 1976-7-23 1519 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  JEPS82451  Cystopteris fragilis Gilbert Muth 1966-7-17 404 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mountain Wilderness Area 1828 Comment
  UCSB15125  Cystopteris fragilis 1962-6-11 Siskiyou About 20 miles west of Fort James; Marble Mountains 914 Comment
  JEPS82418  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Mt. Wilderness Area Marble Valley; , Marble Valley horse pasture 1792 Comment
  RSA603759  Dactylis glomerata L. C. Wheeler 1935-6-30 3626 Siskiyou 3 mi. S [of] Yreka; dry roadside ditch 854 Comment
  SEINET3895842 Image available Damasonium californicum George Neville Jones 1967-6-30 45134 Siskiyou In pond near Dorris.; 0 Comment
  RSA239122  Danthonia californica var. americana Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1153 Siskiyou Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC816903  Danthonia californica var. americana John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCD60863  Danthonia californica var. americana A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast of base of Mt. Eddy. 1249 Comment
  JEPS82308  Danthonia intermedia Roger Raiche 1983-8-14 30615 Siskiyou summit of Mt. Eddy rd. (Forest Rd. #42N17) 2133 Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  HSC91412  Danthonia unispicata Jennifer Whipple 1976-6-30 1202 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CHSC118612  Danthonia unispicata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016013 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  UCR95194  Darlingtonia californica L. C. Wheeler 1963-9-1 8329 Siskiyou Siskiyou Mtns, W side Clear Creek c. 1/2 mi upstream from Trout Camp. 1037 Comment
  CAS-BOT-BC420663  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  HSC76908  Dasiphora fruticosa K. T. Stillman 1976-9-10 500 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CHSC57497  Delphinium andersonii Lyna R. Black 1990-4-11 4 Siskiyou Approx. 1/2 mi ne of Yreka. 883 Comment
  RSA17735  Delphinium andersonii Elmer I. Applegate 1935-6-6 9354 Siskiyou N base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC9047  Delphinium decorum subsp. tracyi Alice Eastwood 1912-8-30 2001 Siskiyou Mount Eddy Comment
  JEPS123411  Delphinium glaucum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -133 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  RSA183669  Delphinium glaucum Gilbert Muth 1965-8-2 144 Siskiyou Marble Valley; Marble Mts. Comment
  CHSC57500  Delphinium nudicaule Lyna Black 1990-4-11 1 Siskiyou Approx. 1/2 mi ne of Yreka. 838 Comment
  POM149888  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  CAS-BOT-BC116165  Delphinium nuttallianum A. A. Heller 1916-6-20 12401 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC116167  Delphinium nuttallianum A. A. Heller 1916-6-20 12401 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC77027  Delphinium nuttallianum K. T. Stillman 1976-6-25 50 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CAS-BOT-BC116160  Delphinium nuttallianum L. E. Smith 1913-4-29 S. N. Siskiyou Dunsmuir Comment
  HSC36879  Delphinium nuttallianum J. P. Smith 1974-5-26 7545 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC60818  Deschampsia elongata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCD63427  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  UC165738  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-5-15 727 Siskiyou Klamath River Comment
  UC726511  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou near Sisson 1074 Comment
  UC455332  Dicentra formosa I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (tollroad) Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  HSC59009  Dicentra pauciflora Marvin Butler 1971-7-16 141 Siskiyou Near El Capitan Lake, close to the town of Cave Junction Comment
  RSA52142  Dichelostemma capitatum subsp. capitatum Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman s Valley. 1067 Comment
  RSA120196  Dichelostemma multiflorum S. S. Tillett 1956-7-11 701 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC500994  Dichelostemma multiflorum A. A. Heller 1919-6-27 13275 Siskiyou Mecalf's ranch, northeast base of Mt. Eddy 1158 Comment
  POM109926  Dichelostemma multiflorum Geo D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  SEINET4899747  Dichelostemma pulchellum Jack Seely 1991-5-30 s.n. Siskiyou Klamath National Forest; West Branch Comment
  JEPS40718  Dieteria canescens var. incana Geo. D. Butler 1911-9-11 1869 Siskiyou Comment
  CAS-BOT-BC291006  Dieteria canescens var. shastensis A. A. Heller 1920-8-12 13521 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  UC30076  Disporum hookeri Harley P. Chandler June, 1901 1553 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CDA31684  Distichlis spicata var. stricta J. Schieber 1967-8-23 Siskiyou Westside Grocery, Stateline Rd., Tukelake area. 0 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  HSC381  Dodecatheon jeffreyi William J. Ferlatte 1967-7-25 727 Siskiyou Caribou Basin 1982 Comment
  CHSC71477  Downingia bacigalupii Vernon H. Oswald; Lowell Ahart 1998-7-21 9363 Siskiyou Between Weed and Macdoel on Hwy. 97 0.9 mi southwest of Tennant Rd. In a roadside meadow. 1188 Comment
  SJSU3567  Downingia montana M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1158 Comment
  JEPS103651  Downingia yina T. Obrien 1996-8-9 Siskiyou Klamath National Forest. Vernal pool approximately 6.0 miles E of HWY 97 on Tennant Road, W of Tennant 1463 Comment
  HSC59900  Draba howellii D. L. Goforth 1979-7-19 248 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  CAS-BOT-BC41319  Draba pterosperma G. J. Muth 1969-8-6 1191 Siskiyou Boulder Peak. 2529 Comment
  UC1360449  Draba pterosperma Jack Major, M. Fleschner, and R. Pemble 1966-9-4 Siskiyou ne face of Marble Mountain Marble Mountains, ne face Marble Mountain 2133 Comment
  UC673346  Draba verna Dorothy Tebbe 1930-3-28 74 Siskiyou near Weed; near Weed Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  CHSC36124  Draba verna var. verna K. Bridwell 1978-4-14 76 Siskiyou 1 block s of Weed Airport, along Hwy 5, ca. 3 mi n of Weed. 609 Comment
  UCD35436  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  CAS-BOT-BC527347  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 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
  HSC76741  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC158411  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1938-9-8 11602 Siskiyou Mt. Shasta 2590 Comment
  HSC36688  Dryopteris arguta Brent Whiteley 1975-6-21 12 Siskiyou 223 Comment
  POM205453  Elymus elymoides E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon. Comment
  RSA14099  Elymus elymoides Elmer I. Applegate 1923-8-18 3562 Siskiyou Redshale Mountain, Medicine Lake region 2439 Comment
  HSC69006  Elymus glaucus Maralyn A. Renner 1980-7-24 2131 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  POM2058603  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  UC224203  Elymus glaucus E. Palmer 1892-1 2652 Siskiyou near Mt. Shasta Comment
  HSC101472  Elymus lanceolatus subsp. lanceolatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12996 Siskiyou Gazelle-Callahan Road. 1233 Comment
  CAS-BOT-BC235224  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou Near Yreka Comment
  POM112863  Elymus multisetus Geo D. Butler 1909-6-4 812 Siskiyou Dry land near Yreka Comment
  UCD62708  Elymus trachycaulus A. H. Murphy 1956-8-14 56 C Siskiyou Little Mill Creek Meadow, Klamath N. F. 2011 Comment
  HSC29169  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CHSC26175  Epilobium brachycarpum J. P. Kroessig 1977-8-5 50 Siskiyou McBride Spring Campground ca. 4.5 km n of Mt. Shasta City, at base of Mt. Shasta. 1460 Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  POM251091  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou Mt. Shasta. 1372 Comment
  RSA211361  Epilobium ciliatum subsp. ciliatum William J. Ferlatte 1966-8-2 226 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  UCD77622  Epilobium ciliatum subsp. glandulosum Robert E. Preston 2001-7-20 1696 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1755 Comment
  POM259609  Epilobium clavatum J. T. Howell 1939-8-8 15180 Siskiyou Marble Mountains: Black Mountain. Comment
  RSA211352  Epilobium glaberrimum subsp. fastigiatum William J. Ferlatte 1967-8-6 818 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  HSC91965  Epilobium hallianum Jennifer Whipple 1976-7-2 1280 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1188086  Epilobium hornemannii subsp. hornemannii Philip A. Munz 1960-8-22 24180 Siskiyou Panther Meadows Mt. Shasta (stream bank) 2377 Comment
  RSA0004442  Epilobium jucundum Edward L. Greene 1876-08 s.n. Siskiyou Scott Valley. Comment
  CAS-BOT-BC419731  Epilobium luteum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -086 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  HSC49641  Epilobium minutum J. P. Smith, Steve Selva 1970-6-16 4001 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  UC136739  Epilobium minutum A. A. Heller 1905-6-1 7930 Siskiyou Upper Soda Spring Comment
  JEPS128837  Epipactis gigantea Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -054 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  UC1190385  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou banks of China Creek China Creek 1097 Comment
  UC371169  Equisetum hyemale subsp. affine G. D. Butler 1909-4-11 878 Siskiyou Shasta Retreat Comment
  HSC22470  Equisetum hyemale subsp. affine J. O. Sawyer 1969-6-11 826 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  POM114686  Eragrostis mexicana subsp. virescens Geo D. Butler 1909-10-3 869 Siskiyou Meadow near Yreka Comment
  CAS-BOT-BC204621  Eragrostis mexicana subsp. virescens Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's [Rogers] Creek, Somes Bar Comment
  CAS-BOT-BC168328  Eremogone congesta var. congesta W. R. Dudley 1905-8-4 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC168329  Eremogone congesta var. congesta A. A. Heller 1915-8-26 12228 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  CAS-BOT-BC286705  Ericameria bloomeri Doris K. Kildale 1928-8-20 6614 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  CAS-BOT-BC286707  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou Near crest of peak above south-east end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  HSC5735  Ericameria bloomeri R. C. Wunner 1965-8-14 428 Siskiyou California Lava Beds National Monument; Mammoth Crater 1616 Comment
  RSA78947  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18174 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  SBBG7920  Ericameria bloomeri H. and M. Dearing 1948-9-12 6733 Siskiyou Mt Shasta 2316 Comment
  UC1118660  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mo Mountain House Creek; Dunsmuir Quadrangle Comment
  UC31093  Ericameria bloomeri W. H. Brewer 1862-9-16 1415 Siskiyou Mount Shasta; ; Mt. Shasta 1828 Comment
  UC87229  Ericameria nauseosa var. oreophila K. Brandegee 1887-7-1 Siskiyou Gazelle Comment
  SEINET8687685 Image available Erigeron M. S. Baker s.n. Siskiyou Road to medicine Lake 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
  RSA238730  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou North side of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC96679  Erigeron bloomeri var. bloomeri Thomas W. Nelson, Susan Erwin 2004-6-3 9223 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  UC127714  Erigeron compositus Harley P. Chandler 1901-6-1 1672 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CHSC86671  Erigeron divergens Jenny Marr 1993-7-1 54 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC300471  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava Beds Nat. Monument Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  SD76176  Erigeron glacialis var. glacialis Helen V. Witham 1969-10-6 559 Siskiyou Kanaroo Lake, Scott Mountains 2100 Comment
  JEPS101306  Erigeron klamathensis Dean W. Taylor 1999-8-12 17307 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  HSC65825  Erigeron petrophilus var. viscidulus D. Reed 1980-8-6 285 Siskiyou Klamath National Forest, rocky knoll S of Tom Martin Peak 1982 Comment
  CHSC91242  Erigeron philadelphicus Lowell Ahart; John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  CAS-BOT-BC300312  Erigeron tener Alice Eastwood 1912-8-30 2011 Siskiyou Mount Eddy Comment
  CAS-BOT-BC224138  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CAS-BOT-BC224139  Eriodictyon californicum J. H. Thomas 1954-5-14 4188 E Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 6 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  HSC61800  Eriogonum compositum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC250063  Eriogonum compositum var. compositum Lillian Mott 1976-7-4 28 LM76 Siskiyou Cook and Green Pass road north of Seiad Valley at waterfowl 1463 Comment
  CAS-BOT-BC250072  Eriogonum compositum var. compositum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Yreka Comment
  CHSC99724  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 A Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  UC1475704  Eriogonum diclinum Clifton and Ground 1978-7-30 2450 Siskiyou near Alex Hole (close to the town of Klamath River); Condrey Mt. Quadrangle 2122 Comment
  CHSC1323  Eriogonum elatum var. elatum V. Holt 1943-8-10 Siskiyou Marble mountains. 1828 Comment
  JEPS57002  Eriogonum elatum var. elatum Geo. D. Butler 1908-8-6 202 Siskiyou trail beyond Whiskey Camp (Independence Creek); Marble Mt. Reg., Independence Creek Comment
  CAS-BOT-BC255727  Eriogonum elatum var. elatum D. M. Traugh 1933-8-7 111 Siskiyou Klamath Forest 1981 Comment
  UC902111  Eriogonum elatum var. villosum Joseph P. Tracy 1949-9-14 18550 Siskiyou Salmon River at mouth of Mathews Cr.; Salmon River, Mathews Cr. 548 Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  HSC49942  Eriogonum hirtellum G. L. Clifton 1979-8-5 12500 Siskiyou Near Twin Valley 1646 Comment
  UC637104  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou near Hamburg (s bank of Klamath River between McKinney and Parkouse creeks); Klamath River 609 Comment
  SEINET3160022  Eriogonum marifolium G. B. Grant 442 Siskiyou Mt. Shasta Comment
  UC6357  Eriogonum marifolium Wm. H. Brewer 1862-9-13 1396 Siskiyou Mt. Shasta 2133 Comment
  UCD100402  Eriogonum marifolium R. Tofsrud; J. M. Tucker 1948-8-2 1761 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  CAS-BOT-BC94474  Eriogonum nudum R. C. Wenk 2005-7-19 342 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC98384  Eriogonum nudum var. nudum J. O. Sawyer 1968-7-23 579 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS95655  Eriogonum nudum var. nudum Vernon H. Oswald and L. Ahart 1999-7-5 9824 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  CAS-BOT-BC269743  Eriogonum nudum var. oblongifolium Carl B. Wolf 1927-8-26 1043 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  RSA78841  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  CAS-BOT-BC272489  Eriogonum nudum var. pubiflorum A. M. Vollmer; L. Beane 1951-6-2 44 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CHSC70473  Eriogonum nudum var. pubiflorum A. Sanger 1996-7-16 2421 Siskiyou Med Lk Highlands, dead end road, 1/2 mi E-Glass Mtn. 1524 Comment
  HSC17320  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-29 301 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  HSC43015  Eriogonum nudum var. pubiflorum J. P. Smith 1973-5-5 6440 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  UC398665  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou 3 mi s Yreka Comment
  UC466015  Eriogonum siskiyouense Annie M. Alexander and Louise Kellogg 1911-8-14 317 Siskiyou Mt. Eddy 2789 Comment
  CAS-BOT-BC268578  Eriogonum siskiyouense J. D. Jokerst 1981-8-18 1463 Siskiyou East of USFS logging road in the S1/2 of the SW1/4 Section 2 1249 Comment
  RSA215654  Eriogonum sphaerocephalum Gilbert Muth 1969-8-6 1194 Siskiyou Boulder Peak. 2530 Comment
  SEINET11261409  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren, James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed.; 0 1341 Comment
  JEPS57225  Eriogonum strictum var. greenei L. R. Heckard 1967-8-13 1713 Siskiyou near summit; Mt. Eddy 2712 Comment
  JEPS56462  Eriogonum strictum var. proliferum Geo. D. Butler 1908-8-6 211 Siskiyou trail beyond Whiskey Camp; Independence Creek, Whiskey Camp 1676 Comment
  UC164295  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou near Yreka Comment
  UC609362  Eriogonum strictum var. proliferum Eleanor Burks Hart 1938-8-18 930 Siskiyou Boulder Peak 2535 Comment
  CAS-BOT-BC263444  Eriogonum ternatum Geo. D. Butler 1908-8-5 204 Siskiyou Summit above Cold Spring Wooly Creek Comment
  CAS-BOT-BC267932  Eriogonum umbellatum Alice Eastwood 1921-7-29 10989 Siskiyou Bear Spring on road to Medicine L. Comment
  HSC43413  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-31 350 Siskiyou Marble Mountain Wilderness Area: N from Black Mtn. towards Jump off point. 210 Comment
  SDSU7196  Eriogonum umbellatum var. argus D. F. Howe 1965-8-8 4123 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  JEPS101145  Eriogonum umbellatum var. bahiiforme Dean W. Taylor 1996-6-20 15718 Siskiyou ridge dividing upper Noyes Valley Creek from Meadow Creek (ca. 20 air miles SW of Yreka) 1542 Comment
  JEPS56187  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  HSC96854  Eriogonum umbellatum var. goodmanii J. O. Sawyer 1968-9-10 684 Siskiyou Below Young's Meadow on Clear Creek 1402 Comment
  JEPS109256  Eriogonum umbellatum var. goodmanii D. W. Taylor 2002-7-27 18278 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  UC1413439  Eriogonum umbellatum var. goodmanii James L. Reveal, Caroline G. Reveal 1974-8-18 3799 Siskiyou along the road to Bolan Mountain Lookout 1.4 mi e O'Brien-Happy Camp road; Siskiyou Mountains 1645 Comment
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Nov 15 2011
  HSC43429  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-9-3 1774 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  HSC43409  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-7-15 267 Siskiyou Marble Mountain Wilderness Area, ridge above Elk Valley W side 1951 Comment
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  RSA420694  Eriogonum umbellatum var. modocense M. B. Dunkle 1944-6-18 9128 Siskiyou Siskiyou National Forest. Comment
  SEINET5331992  Eriogonum umbellatum var. polyanthum G. Butler 1910-6-19 1580 Siskiyou Gereuest(?) foothills. 1524 Comment
  HSC17390  Eriogonum vimineum Jerry Parker 1968-10-6 125 Siskiyou Scott Mtn. Rd. Comment
  HSC43061  Eriophyllum lanatum Ken Stillman 1976-8-31 456 Siskiyou E and N sides of Williams Point 366 Comment
  RSA105497  Eriophyllum lanatum Douglas Barbe 1955-7-26 264 Siskiyou NW slope of Scott Mt. 1829 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  CAS-BOT-BC301114  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  POM30094  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Dry hill, Yreka. Comment
  JEPS107394  Eriophyllum lanatum var. grandiflorum Lowell Ahart, John Dittes 2005-6-10 12090 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
  UC90283  Eriophyllum lanatum var. grandiflorum T. S. Brandegee 1890-7-1 Siskiyou Sisson Comment
  HSC355  Eriophyllum lanatum var. lanceolatum William J. Ferlatte 1967-8-17 957 Siskiyou Yellow Rose Mine 1982 Comment
  HSC58873  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-7-21 187 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  POM358043  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-19 9218 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA14500  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-9-7 3952 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  UC375288  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-7-14 1049 Siskiyou Yreka, field near Comment
  UC1094384  Eryngium articulatum R. C. Bacigalupi with S. Galen Smith June 1957 5972 Siskiyou ca. 2 mi. n. Weed (along Hwy. 99) 1036 Comment
  HSC21490  Eryngium articulatum Doris K. Kildale 1925-9-7 1301 Siskiyou Klamath between Somes Bar and Happy Camp Comment
  CAS-BOT-BC54571  Erysimum capitatum Alice Eastwood; John Thomas Howell 1934-4-20 1792 Siskiyou 4 miles north of Weed. Comment
  CAS-BOT-BC55112  Erysimum perenne William Bridge Cooke 1938-8-24 11583 Siskiyou Mount Shasta. Near North Gate, west of Grey Butte. 2133 Comment
  SEINET8218996  Erythranthe breweri Unknown 1970-7-21 42678 Siskiyou Horse Camp, Mt. Shasta. 2438 Comment
  RSA237910  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1967-7-20 195 Siskiyou Northeast end of Crapo Peak Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2186 Comment
  HSC68355  Eschscholzia californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC403672  Eschscholzia californica L. E. Smith 1914-6-9 715 Siskiyou Yreka Comment
  SEINET5708610 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  UC922320  Eucephalus tomentellus Annie M. Alexander and Louise Kellogg 1949-7-23 5854 Siskiyou Sky High Valley Marble Mountains, Paradise Valley 1920 Comment
  HSC42977  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2736 Siskiyou Along Specimen Creek 915 Comment
  CDA4823  Euphorbia cyparissias T. C. Fuller 1962-6-16 8968 Siskiyou East of main house, Meiss Lake Ranch, southwest edge of Meiss Lake Basin, ca. 7 miles west of Macdoel. 0 Comment
  JEPS104936  Festuca californica Dean W. Taylor 1996-6-18 15698 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC278733  Festuca idahoensis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest, N. Hungry Creek 1219 Comment
  HSC102709  Festuca idahoensis J. P. Smith 2013-6-17 13742 Siskiyou Tennat-Bray. 1485 Comment
  HSC27483  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-5-28 5382 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  UC618873  Festuca idahoensis W. Bridge Cooke 1938-7-15 11217 Siskiyou above Bear Spring; Mount Shasta Comment
  HSC103043  Festuca microstachys J. P. Smith 2014-6-7 13901 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC642546  Festuca occidentalis Jason Swallen 1939-6-30 13569 Siskiyou MacBride Springs Mount Shasta 1524 Comment
  HSC75129  Festuca pratensis J. P. Smith, Thomas W. Nelson 1979-6-16 10148 Siskiyou Klamath National Forest. State Route 3, 1 mi. from Scott Mtn. Summit. 1341 Comment
  UC197110  Festuca pratensis Geo. D. Butler 1908-7-1 473 Siskiyou near Yreka Comment
  HSC19062  Fragaria vesca J. O. Sawyer 1969-6-11 824 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC796662  Fragaria vesca Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11741 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  CAS-BOT-BC447515  Fragaria virginiana var. platypetala John Thomas Howell 1937-7-23 13361 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC447517  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Frequent around moist places at the lower end of the upper Wagon Camp meadow 1737 Comment
  CAS-BOT-BC53419  Frangula californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley 883 Comment
  CAS-BOT-BC59976  Frangula purshiana Alice Eastwood 1921-7-30 11007 Siskiyou Soda Creek. Comment
  CAS-BOT-BC55720  Frangula rubra subsp. obtusissima John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53558 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  HSC101837  Frangula rubra subsp. obtusissima J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13169 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  HSC101714  Frangula rubra subsp. yosemitana J. P. Smith, J. O. Sawyer 2011-6-25 13263 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC91455  Fritillaria atropurpurea Jennifer Whipple 1976-6-17 1018 Siskiyou N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  JEPS61947  Fritillaria pudica J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  CDA39329  Fritillaria recurva G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2599 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC68498  Galium aparine Maralyn A. Renner 1980-6-22 896 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UCR40077  Galium bifolium K. T. Stillman 1976-6-25 29 Siskiyou Marble Mountain Wilderness Area: montane and subalpine meadows. Marble Valley 1829 Comment
  HSC68271  Galium bolanderi J. P. Smith, Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River 1128 Comment
  RSA20156  Galium bolanderi J. T. Howell 1937-7-26 13553 Siskiyou Caribou Gulch. Comment
  SBBG18787  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-6-30 8012 Siskiyou White Mtn 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
  JEPS107488  Galium parisiense Lowell Ahart, John Dittes 2005-6-10 12116 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS101156  Galium serpenticum subsp. scotticum Dean W. Taylor 1996-6-18 15701 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  JEPS83624  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 940 Siskiyou e FS Rd. 40N03 (on s side of creek, slope facing nw at creek crossing); Klamath National Forest, Scott River District, China Mtn. SW 1188 Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA597572  Garrya flavescens Louis C. Wheeler 1963-9-3 8346 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC182156  Garrya fremontii Doris K. Kildale 1928-7-2 5352 Siskiyou Salmon Summit nr [?] Creek trail 1981 Comment
  JEPS66736  Garrya fremontii W. L. Jepson 1894-8-9 14157 Siskiyou Shasta Springs Comment
  SEINET5765235  Garrya fremontii G. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC56289  Gaultheria ovatifolia W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett trail to Prestons Peak Comment
  HSC45183  Gaultheria ovatifolia J. O. Sawyer, E. Cope 1977-6-18 2936 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  CAS-BOT-BC58940  Gaultheria shallon Elmer I. Applegate 1930-8-11 6601 Siskiyou No-see-'em Camp, Cook and Greene Trail, siskiyou Mountains, Applegate River watershed. Comment
  HSC27971  Gaultheria shallon Carl W. Mize 1972-9-23 109 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  SEINET10939948  Gayophytum Mary Merello 1993-6-25 Merello 723 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  CHSC30771  Gayophytum diffusum subsp. parviflorum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  HSC183  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-2 237 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  POM355372  Gayophytum diffusum subsp. parviflorum Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  RSA600377  Gayophytum humile Louis C. Wheeler 1935-6-27 3594 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  RSA392178  Gentiana calycosa M. B. Dunkle 1944-8-2 9304 Siskiyou Marble Mountains, Klamath National Forest. 2439 Comment
  HSC66248  Gentiana newberryi Maralyn A. Renner 1980-8-19 2483 Siskiyou S side of Caribou Lake 2104 Comment
  JEPS74461  Gentianopsis simplex W. J. Ferlatte 1966-8-16 368 Siskiyou between campground and S. Fork Salmon R. Big Flat; Trinity Alps 1524 Comment
  UC1059019  Gentianopsis simplex A. H. Murphy 1956-8-16 56 R Siskiyou Klamath Nat'l Forest, Big Marshy Meadows 1981 Comment
  CHSC675  Geranium oreganum 1936-6-23 Siskiyou Mt. Shasta City. 1066 Comment
  UC224194  Geranium oreganum Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2518 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  HSC77007  Geranium richardsonii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UC375385  Geum macrophyllum Geo. D. Butler 1910-6-19 351 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC459624  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  JEPS69513  Gilia capitata subsp. capitata Geo. D. Butler 1908-8-6 32 Siskiyou trail above Marble Valley (western Siskiyou Co.); trail above Marble Valley 1828 Comment
  CAS-BOT-BC282722  Glyceria elata Geo. D. Butler 1910-7-14 1781 Siskiyou Shackleford Creek 1219 Comment
  HSC22312  Glyceria elata J. O. Sawyer 1969-7-11 862 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC69440  Glyceria elata John S. Palmer 1980-8-13 791 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS118216  Glyceria elata Dean W. Taylor 2004-7-19 19189 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  UC204798  Glyceria striata Geo. D. Butler 1910-7-14 1781 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC302673  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS34044  Gnaphalium palustre W. L. Jepson 1940-7-3 20101 Siskiyou Big Bear Flat (large mdw. e 5 mi se of Bartle) Big Bear Flat 1219 Comment
  HSC42889  Goodyera oblongifolia K. T. Stillman 1976-8-15 403 Siskiyou Along Specimen Creek 915 Comment
  RSA150572  Goodyera oblongifolia Lee W. Lenz 1961-6-22 24362 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  HSC4414  Grayia spinosa R. C. Wunner 1965-6-13 157 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  NY169619  Grindelia nana var. turbinella A. A. Heller 1917-9-7 12979 Siskiyou Shasta Valley, 10 miles south of Gazelle 914.4 Comment
  CDA37677  Gypsophila paniculata R. Breckenridge/D. Kratville 2002-6-2 s.n. Siskiyou Weed; College Ave. 0 Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  RSA238562  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards SE of Tom Taylor Cabin. 2027 Comment
  JEPS55564  Hackelia californica W. L. Jepson 1940-6-30 20065 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  UCSB15833  Hackelia californica Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  CHSC36143  Hackelia cusickii K. Bridwell 1978-7-6 167 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  UC1063908  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of road to Devils Gate Lava Beds National Monument; Modoc National Forest 1310 Comment
  HSC810  Hackelia micrantha William J. Ferlatte 1967-7-26 737 Siskiyou Caribou Basin 1982 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC508658  Hastingsia alba W. B. C. 1939-7-21 13727 Siskiyou Sedge Swamp at Wagon Camp Comment
  CDA39324  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  CAS-BOT-BC302449  Hazardia whitneyi var. discoidea Gilbert J. Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge Comment
  CAS-BOT-BC302456  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  CDA6453  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  UC179527  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  UC336924  Helenium puberulum unknown 1878-7-1 Siskiyou near Mt. Shasta Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  CAS-BOT-BC314843  Helianthella californica var. shastensis Elmer I. Applegate 1896-5-29 593 Siskiyou Sacramento River below Sisson Comment
  UC166242  Helianthus bolanderi Geo. D. Butler 1908-7-14 506 Siskiyou field near Yreka Comment
  CAS-BOT-BC313445  Hemizonella minima C. L. Hitchcock; J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  RSA237793  Herniaria hirsuta subsp. cinerea Frederick W. Oettinger 1969-8-31 1568 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1966 Comment
  UC17265  Hesperolinon micranthum M. K. Curran July 1887 Siskiyou Sissons Comment
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  UC894671  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Comment
  HSC59101  Heuchera micrantha Clark L. Miller 1979-4-28 1108 Siskiyou 10 mi. SE along Salmon River Comment
  UC705879  Heuchera micrantha var. diversifolia Marion Ownbey, Fred G. Meyer 1940-7-4 2175 Siskiyou nw of Hornbrook; Siskiyou Mts Comment
  RSA296722  Heuchera micrantha var. macropetala Clark L. Miller 1979-4-28 1108 Siskiyou 10 miles SE along Salmon River Comment
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Aug 31 2009
  HSC20189  Heuchera rubescens W. Roderick, Dorothy Parker 1966-7-26 Siskiyou Edge of Kangaroo Lake, N side of Scott Mtns. 1845 Comment
  HSC22258  Hieracium albiflorum J. O. Sawyer 1969-7-23 1445 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  CAS-BOT-BC318545  Hieracium greenei Gilbert J. Muth 1969-8-7 1268 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC318547  Hieracium greenei Alice Eastwood 1912-8-30 2035 Siskiyou Mount Eddy Comment
  UC1731305  Hieracium greenei Dean W. Taylor 1997-7-25 15845 Siskiyou Klamath Region, Scott Mountains, Klamath National Forest, Crater Lake in cirque above upper lake Crater Lake; Klamath Region, Scott Mountains, Klamath National Forest 2331 Comment
  UC572809  Hieracium horridum W. Bridge Cooke 1938-8-17 9250 Siskiyou lava slopes Mt. Shasta 2590 Comment
  JEPS25593  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS93877  Hieracium nudicaule Vernon H. Oswald and Lowell Ahart 1998-7-21 9314 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC481033  Hieracium nudicaule H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  UC897817  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou on road to Medicine Lake; Bear Spring Comment
  CAS-BOT-BC316012  Hieracium nudicaule H. M. Hall 1928-7-4 5484 Siskiyou Summit of dividt between Sawyers Bar and Etna Comment
  HSC90218  Hieracium triste Michael P. Murray 1991-7-20 1 Siskiyou Marble Mountain Wilderness Area; On ridge between Kings Castle and Jumpoff 2088 Comment
  CHSC71484  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1998-7-21 9349 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. 1417 Comment
  HSC27643  Holcus lanatus Carl W. Mize 1972-6-21 79 Siskiyou Forks of Salmon. 343 Comment
  CDA12233  Holodiscus discolor G. F. Hrusa 1993-8-14 11401 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon, on Ca. side of state boundary. Comment
  CAS-BOT-BC152368  Holodiscus discolor var. discolor Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC150129  Holodiscus microphyllus var. glabrescens Dorothy Parker 1950-8-6 489 Siskiyou Salmon Mountain 1798 Comment
  HSC86565  Hordeum brachyantherum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  JEPS80525  Hordeum brachyantherum subsp. brachyantherum Gilbert Muth 1966-7-17 410 Siskiyou Marble Mountain Wilderness Area near Lookout; Marble Mountain Wilderness Area 2057 Comment
  HSC10183  Hordeum jubatum R. C. Wunner 1965-8-14 417 Siskiyou Lava Beds National Monument. Near tip of Hovey Pt. 1220 Comment
  UC1601385  Hordeum jubatum H. S. Yates 1936-6-21 5812 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  SBBG72488  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou near Gazelle, Shasta Valley Comment
  JEPS102921  Horkelia daucifolia Thomas W. Nelson and Jane P. Nelson 1985-6-20 7848 Siskiyou near Scott Mountain Pass (Along FS road 40N08, .5 mi e of junction with SR 3); Scott Mountaio Comment
  RSA166765  Horkelia daucifolia H. Dearing, M. Dearing 1939-6-3 s.n. Siskiyou Near Scotts Bar Comment
  UCD113410  Horkelia daucifolia J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Hwy 99 and Greenhorn Road, south edge of Yreka. Comment
  CHSC48850  Horkelia fusca subsp. parviflora Vernon Oswald 1986-5-29 2074 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 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
  UC1584622  Horkelia fusca subsp. parviflora Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9859 Siskiyou Hambone Hambone SW 15' quad 1341 Comment
  RSA451645  Horkelia fusca subsp. pseudocapitata E. Yale Dawson 1948-7-16 5099 c Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  HSC28087  Horkelia fusca var. brownii J. D. Ackerman, A. M. Montalvo 1973-7-20 105 Siskiyou 3.7 mi. W of McCloud along Hwy. 89 Comment
  HSC27406  Horkelia fusca var. parviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19533 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  CAS-BOT-BC536225  Horkelia fusca var. parviflora John Thomas Howell 1939-8-8 15140 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  CAS-BOT-BC514282  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  CAS-BOT-BC144006  Horkelia hendersonii Roger Raiche 1986-7-19 60435 Siskiyou Road to Alex Hole (Condrey Mt.), Dry Lake 2057 Comment
  CAS-BOT-BC538244  Horkelia tridentata var. flavescens Doris K. Kildale 1929-5-31 9157 Siskiyou South Fork of Salmon River at Cecilville Comment
  CAS-BOT-BC539429  Horkelia tridentata var. tridentata Elmer I. Applegate 1895-5-29 s.n. Siskiyou Canyon of the Sacramento River below Sisson Comment
  HSC73233  Hosackia crassifolia Gail Newton 1980-6-20 507 Siskiyou Near Bald Mtn. 1097 Comment
  HSC2400  Hosackia oblongifolia William J. Ferlatte 1966-8-18 412 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC142665  Howellanthus dalesianus Dorothy Parker; Wayne Roderick 1967-7-25 s.n. Siskiyou Kangaroo Lake, Scott Mts 1981 Comment
  CAS-BOT-BC312578  Hulsea nana Alice Eastwood 1912-8-30 2022 Siskiyou Mount Eddy Comment
  HSC41812  Hulsea nana Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  JEPS34895  Hulsea nana Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  UC134349  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mt. Shasta 3200 Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  UC163836  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  UC24095  Hydrophyllum occidentale unknown Jun 1896 Siskiyou Squaw [illegible]; Mt. Diablo Base 121 W 1066 Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  JEPS101370  Hymenoxys lemmonii Dean W. Taylor 1997-6-12 16054 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  UC164087  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC400986  Hypericum anagalloides Doris K. Kildale 1928-8-8 6462 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  RSA516492  Iliamna bakeri L. R. Heckard, L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along Hwy 97, 0.7 miles south of Bolam road junction Comment
  HSC65351  Ipomopsis aggregata Rich White 1978-7-20 265 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC44589  Ipomopsis aggregata Laura Witherspoon 1977-7-13 Siskiyou 1/2 mi. before Flint Valley on the G-O Rd. 1220 Comment
  SEINET10950885  Ipomopsis aggregata subsp. formosissima Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 172 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  POM147884  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-24 1747 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  RSA469553  Ipomopsis aggregata subsp. formosissima L. C. Wheeler 1934-7-3 2857 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  RSA47786  Iris missouriensis Roxana S. Ferris, Laura Lorraine 11815 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans [Noyes] Valley. 1204 Comment
  JEPS17240  Iris tenuissima W. L. Jepson 1940-7-3 20094 Siskiyou Bartle 1188 Comment
  RSA136359  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21805 Siskiyou 1.4 mile west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1220 Comment
  SEINET10481752  Isatis tinctoria Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 342 Siskiyou Found at the jct. Of shasta and klamath rivers on hwy 263. Comment
  UCD115196  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  HSC66946  Isoetes bolanderi R. W. Spjut, D. H. Norris, Jaakko Koponen 1980-7-26 6283 Siskiyou Near Trinity Co. line, Big Carmen Lake about 6.5 mi. E of Callahan in Salmon Trinity Alps, Klamath National Forest 1707 Comment
  HSC28736  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou Marble Mtn. Wilderness Area, on the NW side of Pine Lake 1921 Comment
  CAS-BOT-BC135372  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou Ridge of Marble Mountain - Marble Mts. 2194 Comment
  HSC90740  Ivesia gordonii Jennifer Whipple 1976-7-1 1228 Siskiyou Near Little Crater Lake 2195 Comment
  HSC40383  Ivesia pickeringii Kevin Sawyer, J. O. Sawyer, Jane Cole, J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Siskiyou-Trinity Co. line on State Route 3 1524 Comment
  CHSC40142  Juncus balticus L. P. Janeway 1983-8-16 549 Siskiyou At Poker Flat. Dry front edge of upper portion of meadow. 1524 Comment
  CHSC88379  Juncus balticus Jenny Marr 1993-7-1 184 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1100953  Juncus balticus Herbert L. Mason 1948-7-18 13615 Siskiyou Grass Lake Comment
  RSA44507  Juncus bolanderi Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, north of Somes Bar. Comment
  POM111243  Juncus bufonius var. bufonius Geo D. Butler 1910-7-12 1742 Siskiyou Shackleford Creek. 1220 Comment
  CHSC40150  Juncus covillei L. P. Janeway 1983-8-26 612 Siskiyou At Poker Flat. NW part of meadow near dirt road. 1524 Comment
  HSC30704  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Marble Mtn. Wilderness Area. shoreline of Tom's Upper Pond 2020 Comment
  RSA22443  Juncus drummondii J. T. Howell 1937-7-24 13425 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA368327  Juncus drummondii L. C. Wheeler 1934-8-9 3088 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC78913  Juncus effusus subsp. effusus Paul Wilson 1984-8-26 354 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  HSC77132  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  RSA44498  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  HSC61118  Juncus ensifolius Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  JEPS63841  Juncus exiguus B. C. Goldsmith 1916-10-10 36 Siskiyou Widow Creek Mt. Shasta 1341 Comment
  HSC22183  Juncus mertensianus J. O. Sawyer 1969-7-18 1418 Siskiyou Head of S Russian Creek 1829 Comment
  CAS-BOT-BC127624  Juncus mertensianus Jennifer Whipple 1976-7-1 1243 Siskiyou Mount Eddy. Klamath Mountains. Near Durney Lake. 2194 Comment
  HSC30677  Juncus mertensianus Frederick W. Oettinger 1968-9-10 817 Siskiyou Marble Mtns. Wilderness Area, just S of Horse Range Lake 1845 Comment
  JEPS74127  Juncus mexicanus Geo. D. Butler 1909-5-23 859 Siskiyou near Yreka Comment
  RSA238908  Juncus nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou At sundew bog on SE-facing gradual slope due west of the English Lake main campsite. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC22106  Juncus orthophyllus J. O. Sawyer 1969-7-26 1577 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  JEPS63860  Juncus parryi B. C. Goldsmith 1916-9-29 35 Siskiyou Medicine Lake Comment
  UCR37587  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou South side & above the South Fork of Indian Creek, NE of Preston Peak. 1463 Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC80908  Juniperus Mrs. G. Earle Kelly 1924-6-1 s.n. Siskiyou Eagle ridge, Klamath L. Comment
  CAS-BOT-BC80910  Juniperus W. B. C. 1940-6-4 15007 Siskiyou near the Bolam Road 1219 Comment
  POM21816  Juniperus communis var. montana E. B. Copeland 1903-10-6 3782 Siskiyou Mt. Eddy 2287 Comment
  CDA707  Juniperus communis var. saxatilis J. Grisham 1960-10-27 Siskiyou Mt. Eddy, ca. 6 mi. W of Mt. Shasta City. Comment
  CHSC102553  Juniperus communis var. saxatilis L. P. Janeway 2009-8-4 9905 A Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  CAS-BOT-BC81229  Juniperus occidentalis Doris K. Kildale 1928-7-5 5547 Siskiyou 10 miles north of Yreka on Pacific highway on Shasta River Comment
  UC1045241  Juniperus occidentalis unknown 1940-6-4 15007 Siskiyou near Bolam Road; Mount Shasta 1219 Comment
  UCD133042  Juniperus occidentalis Beecher Crampton 1960-2-1 5475 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  OBI36637  Juniperus occidentalis subsp. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  HSC4843  Kalmia polifolia J. O. Sawyer 1968-7-23 567 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA782435  Keckiella corymbosa R. W. Spjut, Paul Burchstead 2008-6-12 16346 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  CAS-BOT-BC246180  Keckiella lemmonii Wm. Bridge Cooke 1940-8-8 15424 Siskiyou Lower canyon of Squaw Valley Creek above the big spring, Mount Shasta 1524 Comment
  CAS-BOT-BC246185  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, 4 1/2 miles from Mt. Shasta City on Horse Camp Trail 1828 Comment
  RSA238788  Keckiella lemmonii Frederick W. Oettinger 1968-9-3 774 Siskiyou Along trail between spring and Drift Fence near English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1034063  Keckiella lemmonii unknown 1941-8-28 16228 Siskiyou above McCloud (bluff above big Squaw Valley Creek Spring); Mt. Shasta Comment
  HSC8130  Kelloggia galioides Richard Spjut 1970-7-17 464 Siskiyou 16 mi. W of Mt. Shasta Lake, in campground at lake 1829 Comment
  JEPS86079  Kelloggia galioides Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass summit; Cook and Green Pass 1371 Comment
  SEINET516274  Kelloggia galioides Vernon H. Oswald 1997-7-28 8795 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 Comment
  UC889318  Kelloggia galioides A. A. Heller 1916-6-23 12432 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC1132158  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  CAS-BOT-BC499663  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  SEINET3148086  Kyhosia bolanderi C. G. Pringle 1882-9-7 sn Siskiyou About Mt. Shasta Comment
  UC1185277  Lathyrus brownii H. E. Brown 1897-6-10 Siskiyou near Sisson 1083 Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  UC163717  Lathyrus brownii Geo. D. Butler 1910-4-21 1212 Siskiyou Oro Fino Comment
  CAS-BOT-BC204986  Lathyrus jepsonii var. californicus Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  HSC71653  Lathyrus latifolius J. P. Smith, Steve Selva 1970-6-17 4096 Siskiyou 3 mi. E of Somes Bar. 152 Comment
  POM17239  Lathyrus nevadensis subsp. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest Foothills. 1524 Comment
  CAS-BOT-BC274355  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Klamath National Forest. Walker 518 Comment
  UC818698  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mountains, Klamath River, Walker Klamath River; Siskiyou Mountains, , Walker 518 Comment
  CAS-BOT-BC274357  Leersia oryzoides Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC89831  Lepidium montanum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CHSC91382  Leptosiphon bolanderi Lowell Ahart; John Dittes 2005-6-10 12087 Siskiyou Rocky hillside, north of the rock fence, about 200 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
  HSC229  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public campground 1524 Comment
  RSA238011  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  UC195376  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  RSA151805  Lessingia nemaclada H. K. Sharsmith, Francia Chisaki 1959-8-20 4738 Siskiyou Wildcat Canyon road ca. 4 miles west of Callahan. 1067 Comment
  SDSU4719  Lessingia nemaclada D. F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  HSC22284  Leucothoe davisiae J. O. Sawyer 1969-7-11 1335 Siskiyou S Sugar Creek 1829 Comment
  UC1409437  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou at n end of Little Hancock Lake, in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Little Ha 2042 Comment
  SEINET11942480  Lewisia leeana J. G. Lemmon n d s.n. Siskiyou above Castle Lake, near Shasta Comment
  HSC22267  Lewisia triphylla J. O. Sawyer 1969-7-10 1294 Siskiyou Ridges E of Russian Peak 2256 Comment
  JEPS43207  Lewisia triphylla W. L. Jepson 1907-7-6 2853 a Siskiyou ridge above Cudahay Valley; Marble Mt. Reg. Comment
  SBBG30566  Leymus cinereus D. Myrick 1968-6-22 1997 Siskiyou northern part of Lava Beds Nat Monument near Tule Lake Nat Wildlife Refuge 1310 Comment
  SEINET10661901  Leymus cinereus Lowell Ahart, John Dittes 2005-6-10 Ahart 12109 Siskiyou T43N, R5W, northwest 1/4 Section 5. 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
  UCD64299  Leymus condensatus Mr. Roseman 1913-1 Siskiyou Butte Valley. Comment
  JEPS68581  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou along creek near Yreka Comment
  UCD65623  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou Low land near Yreka. Comment
  CDA15521  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 1 of 2 Comment
  HSC76876  Ligusticum californicum K. T. Stillman 1976-9-9 465 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  HSC23542  Ligusticum grayi J. O. Sawyer 1969-8-5 1959 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  JEPS84045  Ligusticum grayi L. R. Heckard with J. Hickman et al. 1986-7-17 6537 Siskiyou Road end area and camp overlooking S end of Alex Hole, SE of Condrey Mt. Comment
  POM82380  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou Whiskey Camp, Independence Creek Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  RSA211340  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  CAS-BOT-BC509380  Lilium kelleyanum Alice Eastwood 1921-7-24 10784 Siskiyou Castle Lake Comment
  LA22067  Lilium pardalinum William Bridge Cooke; 1938-7-15 11197 Siskiyou Mount Shasta, along the creeks at Bear Springs 1523 Comment
  HSC69173  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-6 2332 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC438792  Lilium pardalinum subsp. wigginsii Dana York; Jim Shevock 2012-7-20 3116 Siskiyou Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, moist slope above Lily Pad Lake. 1780 Comment
  HSC62308  Lilium pardalinum subsp. wigginsii Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  UC971913  Lilium washingtonianum subsp. purpurascens Herbert L. Mason 1950-7-16 14063 Siskiyou road from Happy Camp, Calif. to Waldo, Oregon Comment
  CDA40059  Linanthus bolanderi F. D. Horn 1978-4-9 s.n. Siskiyou Horn Ranch, Etna. 0 Comment
  JEPS58322  Linanthus ciliatus Geo. D. Butler 1909-7-15 944 Siskiyou Highland Mine Comment
  JEPS74452  Linanthus ciliatus W. J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public camp Trinity Alps 1524 Comment
  UC1409301  Linanthus harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Tobacco Lake meadows, vicinity of English Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC416401  Linnaea borealis subsp. longiflora Ira L. Wiggins 1955-7-23 13467 Siskiyou Ridge west of China Creek, south side of south fork of Salmon River 1097 Comment
  RSA0087560  Linnaea borealis subsp. longiflora E. K. Balls 1949-7-9 13937 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta Comment
  POM90134  Lithocarpus densiflorus var. echinoides S. B. Grout 1902-9-15 s.n. Siskiyou Shasta Springs. Comment
  CDA25412  Lithophragma affine G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2609 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC432317  Lithophragma campanulatum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE of Cecilville, along Rush Creek 1127 Comment
  JEPS47678  Lithophragma campanulatum W. L. Jepson 1907-7-5 2825 Siskiyou Marble Mt. 2133 Comment
  RSA68852  Lithophragma campanulatum A. E. Culbertson 1943-6-26 104 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
  JEPS82462  Lithophragma heterophyllum Gilbert Muth 1966-7-14 385 Siskiyou Marble Gap Trail slopes above Marble Valley (Marble Mt. Wilderness Area); , slopes above Marble Valley 1813 Comment
  HSC64822  Lithophragma heterophyllum J. P. Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS94263  Lithospermum ruderale Vernon H. Oswald and Lowell Ahart 1998-6-11 9176 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  RSA603010  Lolium perenne subsp. multiflorum L. C. Wheeler 1935-6-2 3544 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  SEINET3143861  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC76735  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-15 243 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA237413  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou On east side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC211135  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, about 1.5 mi. e. of Scott Mountain road 1737 Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  HSC22244  Lomatium macrocarpum J. O. Sawyer 1969-7-24 1513 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC1483408  Lomatium macrocarpum Maralyn A. Renner 1980-8-7 2423 Siskiyou ridge S of Preston Peak 1950 Comment
  UC1409714  Lomatium macrocarpum Melinda F. Denton 1973-6-27 2798 Siskiyou just s. of border of Klamath and Siskiyou Nat'l Forests Klamath Nat'l Forest (ca. 9 meters s. of intersection of 416C and 4007 on 416C) 1627 Comment
  SEINET193348  Lomatium nevadense var. nevadense Lincoln Constance, Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka. 762 Comment
  UC1552568  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2112 Siskiyou 5 1/2 mi NW of Weed (0.1 mi N of Edgewood Road on access road to Airport & Freeway Rest Area, E side of frontage road, 100 yds E of Hwy I-5) 893 Comment
  HSC46186  Lomatium piperi Jennifer Whipple 1977-3-20 1833 Siskiyou Scott Valley near Weston Gulch 854 Comment
  SEINET7096758  Lomatium utriculatum A. G. Vestal 1955-5-17 s.n. Siskiyou 6.5 miles southwest of Yreka on Route 3. NAD27, 41? deg. 40' 21ao, -122?_ 42' 53ao (converted to WGS84 decimal degrees) UTM Zone 10, 523738mE, 4613250mN. Comment
  RSA30650  Lomatium vaginatum Lincoln Constance, Reed Rollins 1942-5-14 2924 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC29345  Lonicera conjugialis Frederick W. Oettinger 1967-7-26 206 Siskiyou Ridge E of Hancock Lake, Hancock Lake Basin. 1982 Comment
  UC1408787  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  HSC42915  Lonicera hispidula var. vacillans J. O. Sawyer, Ken Stillman 1976-7-2 2824 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  JEPS95831  Lotus crassifolius var. crassifolius Vernon H. Oswald and L. Ahart 1999-7-5 9809 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate. Plant to ca. 8 dm tall at roadside. 1508 Comment
  UC454688  Lotus crassifolius var. crassifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UC375404  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest foothills Goosenest Comment
  RSA211170  Lotus oblongifolius William J. Ferlatte 1966-8-18 412 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA406231  Lotus oblongifolius var. nevadensis Bonnie C. Templeton 1957-6-21 7749 Siskiyou Near the summit of Mt. Scott. Comment
  RSA406293  Lotus unifoliolatus Chadwick, Chadwick, Glenn Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC140209  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-29 5895 Siskiyou Near Hidden Lake above Sky High Lake. Sky High Valley, Marble Mountains 1859 Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  RSA237587  Luina hypoleuca Frederick W. Oettinger 1968-8-28 604 Siskiyou Peak west of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2082 Comment
  RSA300985  Lupinus albicaulis var. albicaulis David B. Dunn 1971-8-15 18141 Siskiyou 1/2 mi. east of McCloud Ranger Station on Hwy. 89. Comment
  UC1045291  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-6-7 15108 Siskiyou along the Pacific Highway near Black Butte; near Black Butte Comment
  UC157025  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-2 370 Siskiyou edge Quartz Valley; Shackleford Creek, edge of Quartz Valley Comment
  UC725354  Lupinus albicaulis var. shastensis A. A. Heller 1940-7-25 15764 Siskiyou trail to Horse Camp Mt. Shasta (Mt. Shasta) Comment
  RSA430396  Lupinus albicaulis var. shastensis P. Kenney, Conrad, LeDoux, O. Kenney 1973-6-4 386 Siskiyou Along west side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  SEINET11071672 Image available Lupinus albicaulis var. shastensis A. A. Heller 1905-1 8024 Siskiyou Shasta Springs Comment
  CAS-BOT-BC195955  Lupinus albifrons var. albifrons C. F. Rose 1931-5-18 s.n. Siskiyou Near Redding Comment
  CAS-BOT-BC195957  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Near Fort Jones Comment
  UCR38386  Lupinus andersonii G. F. Pratt, G. R. Ballmer 1985-6-19 s.n. Siskiyou Trinity Mtns, Gumboot Lake, west of Dunsmuir 1829 Comment
  UC144577  Lupinus argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague; ; Montague, Siskiyou Co. Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  JEPS117905  Lupinus breweri var. breweri L. P. Janeway 2008-7-23 9480 Siskiyou crest of mountain 2.1 air km northeast of Condrey Mountain Siskiyou Mountains; Klamatha Ranges 2115 Comment
  CAS-BOT-BC215183  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CHSC914  Lupinus croceus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1950 Comment
  JEPS26527  Lupinus croceus Lauramay T. Dempster 1961-7-3 1867 Siskiyou se Callahan; w face of Scott Mountain Comment
  HSC14817  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou Salmon Mtn. Range, along Sugar Creek Rd. (above Eaton Mine). 1677 Comment
  OBI36619  Lupinus croceus David J. Keil 1983-7-3 17377 Siskiyou Ca. 1.5 mi NW of Scott Mtn pass on SR 3 1524 Comment
  SEINET10490742  Lupinus croceus var. croceus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7251 Siskiyou Siskiyou-Trinity County line. China Mountain quad. Along W side of forest service red. 42N17 at summit above Dead Fall Meadow. Jeffrey pine woodland over serpentine. 2073 Comment
  RSA47662  Lupinus croceus var. pilosellus Roxana S. Ferris 1948-6-12 s.n. Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  UC1576147  Lupinus excubitus J. P. Smith, J. O. Sawyer, and Maralyn O'Meara 1972-7-3 5703 Siskiyou e slope Kangaroo Mtn. (above Toehead Lake); e slope of Kangaroo Mtn, above Toehead Lake 1889 Comment
  RSA119548  Lupinus klamathensis C. P. Smith 1947-5-13 47279 Siskiyou Weed. Highway 99, south side. Comment
  RSA11965  Lupinus klamathensis Elmer I. Applegate 1928-5-27 5401 Siskiyou Yreka. Comment
  SEINET11159979  Lupinus klamathensis Morris, K. , Conrad; Dunn, D., Dunn, D. 1973-6-2 357 Siskiyou Siskiyou County Comment
  UC1766160  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 mi S of Gazelle or 4.2 mi N of its junction with Old Stage Road. 888 Comment
  HSC75194  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-7-7 165 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC63294  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1068 Siskiyou 1900 Comment
  RSA211148  Lupinus latifolius subsp. viridifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek. 2134 Comment
  UCD108215  Lupinus latifolius var. viridifolius A. A. Heller 1920-7-3 13408 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy. Comment
  RSA32788  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  CHSC102566  Lupinus lepidus var. sellulus L. P. Janeway 2009-8-4 9893 Siskiyou High Cascade Range. Flat open area along Military Pass Road (43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  JEPS97000  Lupinus lepidus var. sellulus Dean W. Taylor 1999-8-12 17308 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  SEINET10903460  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 340 Siskiyou Found on side of hornbrook-ager rd. On the way to montague; 6 mi. Se of Hornbrook. Comment
  RSA12506  Lupinus luteolus Carl B. Wolf 1934-7-4 5930 Siskiyou Along Klamath River, 3.5 mi. below Horse Creek Bridge. 457 Comment
  RSA413777  Lupinus lyallii var. lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou Klamath National Forest, Marble Mts., Kings Castle. Comment
  JEPS83248  Lupinus microcarpus var. microcarpus W. L. Jepson 1940-6-23 19982 Siskiyou ca 2 mi e Montague; e <of> Montague 822 Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  SBBG47512  Lupinus polyphyllus var. burkei M. B. Dunkle 1945-1 Siskiyou Dads Pocket, Marble Mtns Comment
  UC642537  Lupinus polyphyllus var. burkei W. Bridge Cooke 1939-6-23 13514 Siskiyou upper end Bear Springs Meadows (Mount Shasta); Mount Shasta Comment
  RSA119373  Lupinus sellulus subsp. sellulus S. S. Tillett 1956-7-9 669 Siskiyou Along ridge running n. from nw. side of Scott Mtn., between Big Carmen Creek and Mule Creek. 1951 Comment
  RSA263039  Lupinus sellulus subsp. sellulus David B. Dunn, Paul Gallian 1971-6-9 17931 Siskiyou 5 mi. S of Macdoel, on U. S. Hwy 97. 1159 Comment
  SEINET4460534 Image available Lupinus violaceus A. A. Heller 1905-1 8037 Siskiyou Comment
  UC843071  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mts. 1463 Comment
  RSA105328  Luzula divaricata G. D. Barbe 1955-8-1 326 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  JEPS101272  Luzula subcongesta Dean W. Taylor 1975-8-14 5358 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte 2743 Comment
  POM210923  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  HSC43052  Lythrum hyssopifolia Ken Stillman 1976-8-24 443 Siskiyou Along Klamath River at Williams Point. 366 Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  POM261536  Machaeranthera canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou Mt. Cloud. Comment
  RSA120898  Madia citriodora Milo S. Baker 1957-6-16 13159 Siskiyou North Coast Ranges: Trip to Scott Mt. a few miles from turn off near Callahan Comment
  CAS-BOT-BC344018  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  UC195407  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  POM30799  Madia exigua Geo D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC334667  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC94820  Madia gracilis R. C. Wenk 2008-7-25 945 Siskiyou Lily Pad Lake, just W of Kangaroo Lake, S of the Gazelle-Callahan Road 1798 Comment
  UC1409494  Madia gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou between Lower Pond and Tobacco Lake; Salmon Mountains, High Lake Basins, English Peak, Marble Mts 1920 Comment
  UC830825  Madia gracilis Lewis S. Rose 1937-7-26 37607 Siskiyou McCloud 1005 Comment
  POM224453  Mahonia aquifolium H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mt. Eddy, 11 miles N.W. of Mt. Shasta City; about 2 miles E. of Burney Mill; flat beside creek at bridge. 1128 Comment
  RSA50135  Mahonia nervosa E. K. Balls 1949-7-10 13963 Siskiyou 8.6 miles from Sawyers Bar on the way to Cecilville. 762 Comment
  SEINET10446714  Mahonia nervosa LeRoy E. Detling 1947-6-4 Detling 6124 Siskiyou Grey Eagle Mine, Slater Butte, Klamath Nat'l Forest. T17N R7E S14 853 Comment
  HSC18912  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-2 381 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC24692  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-7-16 1142 Siskiyou W of Waterdog Lake 2073 Comment
  HSC44852  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC98367  Maianthemum racemosum subsp. amplexicaule G. L. Clifton, Griswold 1979-6-27 6095 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UCD139117  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 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
  HSC67155  Malacothrix floccifera J. P. Smith, Steve Selva 1970-6-15 3974 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC618755  Malva neglecta W. Bridge Cooke 1938-8-21 11550 Siskiyou in front yard of Shasta Alpine Lodge, Horse Camp Shasta Alpine Lodge; , Horse Camp 1524 Comment
  HSC46146  Malva neglecta J. P. Smith, Steve Selva 1970-7-17 4440 Siskiyou 915 Comment
  UC16105  Medicago lupulina T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC333647  Melica bulbosa unknown 1889-6-28 Siskiyou Edgewood Comment
  CAS-BOT-BC264196  Melica subulata John Thomas Howell 1939-8-3 14953 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC164047  Mentzelia laevicaulis var. laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou near Yreka Comment
  CHSC30253  Menyanthes trifoliata M. S. Taylor; Roderick Williams, B. Williams 1980-6-23 2945 Siskiyou Aquatic in Cedar Lake, 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC22301  Mertensia oblongifolia var. amoena J. O. Sawyer 1969-6-12 883 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC428976  Micranthes ferruginea H. A. Thomas; J. H. Thomas 1954-7-24 4493 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC428984  Micranthes ferruginea Doris K. Kildale 1929-7-20 8591 Siskiyou Southeast spur of Preston Peak 1950 Comment
  UC1408868 Image available Micranthes marshallii Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice south of of Abbott's Lake; High Lake Basins in vicinity of English Peak; Marble Mountain Wilderness Area Comment
  CAS-BOT-BC429035  Micranthes nidifica Edna Churchill 1904-4-11 s.n. Siskiyou Yreka Comment
  RSA393763  Micropus californicus var. californicus L. C. Wheeler 1934-6-2 2615 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CAS-BOT-BC322660  Microseris laciniata W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar near McCloud Comment
  CAS-BOT-BC322665  Microseris laciniata J. W. Congdon 1900-8-9 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC322667  Microseris laciniata K. L. Chambers 1998-6-16 6132 Siskiyou Copco Road west of Iron Gate Reservoir 1.2 miles north of Klamath River bridge at Iron Gate Dam Comment
  POM35782  Microseris laciniata subsp. laciniata Geo D. Butler 1909-6-13 957 Siskiyou Oro Fino Meadows Comment
  CAS-BOT-BC349374  Microseris nutans Geo. D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek Comment
  RSA0034610  Microseris nutans L. C. Wheeler 1935-6-13 3574 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  HSC44958  Microsteris gracilis J. O. Sawyer 1978-6-16 3221 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  RSA119355  Mimulus breweri S. S. Tillett 1956-7-9 638 Siskiyou E. of Scott Mtn., s. end of small lake. Siskiyou -Trinity Co. Line. 8 mi. se. of Callahan 1829 Comment
  RSA408132  Mimulus breweri Louis C. Wheeler 1935-7-26 3698 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  UCR61242  Mimulus breweri 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
  HSC58963  Mimulus cardinalis Gilbert Muth 1976-7-29 Siskiyou Near Lake Mtn., close to the town of Seiad Valley 1799 Comment
  UC164370  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  UC164366  Mimulus guttatus Geo. D. Butler 449 Siskiyou near Yreka Comment
  UC454137  Mimulus moniliformis I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  RSA105434  Mimulus moschatus G. D. Barbe 1955-6-30 55 Siskiyou 0.6 mile northwest of Forest Camp, Etna. Along Johnson Creek. 915 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  RSA68877  Mimulus moschatus var. moniliformis 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
  JEPS32001  Mimulus nanus var. nanus W. B. and V. G. Cooke 1963-7-10 34263 Siskiyou n side Mt. Shasta (Bolam Road) Comment
  UC1409385  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou near Tom's Lake (Bear Meadow, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2179 Comment
  JEPS93918  Mimulus primuloides subsp. linearifolius Vernon H. Oswald and Lowell Ahart 1998-8-3 9419 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 1554 Comment
  HSC442  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  UC1031296  Mimulus tilingii Francis W. Pennell 1940-7-17 26181 Siskiyou above Ruffy Lake (w of Etna); Salmon Mountains 1981 Comment
  HSC76774  Mimulus tilingii K. T. Stillman 1976-8-7 370 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  HSC77097  Mimulus tilingii K. T. Stillman 1976-8-7 366 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  UC144462  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou between Igerna and Weed Comment
  CAS-BOT-BC388883  Minuartia douglasii Louis C. Wheeler 1934-6-4 2640 Siskiyou Klamath National Forest. Nigger Gulch 1066 Comment
  POM101318  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka. Comment
  CAS-BOT-BC174732  Minuartia nuttallii Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC481921  Minuartia nuttallii Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  CAS-BOT-BC433015  Mitella diversifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  CAS-BOT-BC433017  Mitella diversifolia D. E. Breedlove 1962-6-11 3350 Siskiyou Bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC61890  Mitella pentandra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC75246  Moehringia macrophylla J. P. Smith 1973-5-5 6493 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC97697  Mollugo verticillata Thomas W. Nelson, Shauna Hee 2006-8-4 9462 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  JEPS105109  Monardella odoratissima subsp. glauca Dean W. Taylor 1993-7-30 13992 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC1190245  Monardella odoratissima subsp. glauca Ira L. Wiggins 1955-7-29 13578 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); Trinity Alps 1999 Comment
  UC2037103  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-8-3 10012 Siskiyou North base of Caldwell Butte; Lava Beds National Monument Comment
  UC61653  Monardella odoratissima subsp. glauca Geo. B. Grant September 1902 5131 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  RSA401653B  Monardella odoratissima subsp. pallida Bonnie C. Templeton 1960-6-21 8590 Siskiyou Near summit of Scott Mt. Comment
  UC2035914  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-7-12 15349 Siskiyou Along the Sisson Southern Trail near the S. S. Trail spring, Mount Shasta Comment
  RSA331947  Monardella odoratissima subsp. pallida Dave Kelly, Walter Wisura 1985-7-31 4088 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  SEINET10582081  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 345 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC73545  Monotropa hypopitys Milo S. Baker Aug. 1897 Siskiyou Medicine Lake Mts. Comment
  CAS-BOT-BC444795  Montia dichotoma Roxana S. Ferris; Laura Lorraine 1948-6-12 11845 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  CAS-BOT-BC445209  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  CAS-BOT-BC445211  Montia parvifolia Doris K. Kildale 1928-7-3 5420 Siskiyou Forks of Salmon, Salmon River Comment
  UC1408938  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou s of Abbott's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  SEINET10596045  Muhlenbergia asperifolia George D. Butler 1910-8-21 Butler 1848 Siskiyou Damp soil, Shasta Valley. Comment
  CAS-BOT-BC267052  Muhlenbergia filiformis W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartletts Comment
  CHSC61580  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  RSA239105  Muhlenbergia filiformis Frederick W. Oettinger 1969-8-24 1521 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET515842  Muhlenbergia richardsonis Vernon Oswald 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1756 Comment
  CHSC71320  Myosurus apetalus var. montanus Vernon H. Oswald; Lowell Ahart 1998-6-11 9221 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  SEINET209083 Image available Myriophyllum sibiricum L. C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi NW Montague. 762 Comment
  HSC27352  Nama lobbii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19536 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC34139  Narthecium californicum J. O. Sawyer 1969-8-5 1757 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  HSC30410  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Marble Mtn. Wilderness Area, W of English Lake 1936 Comment
  POM148757  Narthecium californicum J. B. Feudge 1927-7-24 1629 Siskiyou On trail to Mt. Eddy Comment
  HSC60827  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC648274  Navarretia capillaris John Thomas Howell 1939-8-10 15258 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) Comment
  HSC61862  Navarretia capillaris Ruby Van Deventer 1961-7-13 Siskiyou Poker Flat 1585 Comment
  HSC82263  Navarretia divaricata Thomas W. Nelson, Jane P. Nelson 1980-7-5 5980 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC230313  Navarretia heterandra H. D. Ripley; R. C. Barneby 1948-1-1 9630 Siskiyou 1 mile W of Montague Comment
  JEPS70320  Navarretia intertexta W. L. Jepson 1940-7-3 20102 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC52434  Navarretia intertexta W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  CHSC4542  Navarretia leptalea J. E. Bowlin 1967-7-18 65 Siskiyou On roadside, ca. 6 mi w of Mount Shasta Ski Bowl. 1828 Comment
  RSA565358  Navarretia sinistra Alva Day, Orbelia Robinson 1984-6-28 84 -17 Siskiyou Highway 3, 5.4 miles south of junction with Callahan-Gazelle Road, 0.9 miles north of Scott Mountain summit. 1494 Comment
  JEPS120221  Navarretia sinistra subsp. sinistra Julie Kierstead Nelson 2011-8-23 2011 -43 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  UC24287  Nemophila pedunculata F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 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
  HSC67615  Nicotiana attenuata J. P. Smith, Steve Selva 1970-8-8 4574 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC60567  Noccaea fendleri subsp. glauca Alice Eastwood 1912-7-23 1330 Siskiyou Cantara. Comment
  CAS-BOT-BC65379  Noccaea fendleri subsp. glauca R. C. Wenk 2008-7-24 935 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge south of lake. 1981 Comment
  HSC65275  Nothochelone nemorosa Rich White 1978-7-3 201 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  UC971909  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou road from Happy Camp (California) to Waldo (Oregon) Happy Camp Comment
  HSC64497  Oenothera elata subsp. hookeri J. P. Smith, Steve Selva 1970-7-16 4407 Siskiyou Beaver Creek Campground. 823 Comment
  UC164339  Oenothera villosa subsp. strigosa Geo. D. Butler 1908-7-9 1024 Siskiyou along creek near Yreka Comment
  CDA38172  Oenothera villosa subsp. strigosa Gene Deal 1967-8-3 s.n. Siskiyou 3 miles north of Gazelle, Southern Pacific Railroad right-of-way. 0 Comment
  HSC36953  Olsynium douglasii var. douglasii J. P. Smith 1974-5-26 7566 Siskiyou Along FS Rd. 47N03 1524 Comment
  CDA20567  Onopordum tauricum C. Pirosko 2005-7-29 PDR 1303860 Siskiyou Klamath Ranges; Schoolhouse Rd in eastern Siskiyou County, near Hwy 97. 0 Comment
  RSA139036  Onopordum tauricum T. C. Fuller 1960-6-30 4648 Siskiyou F. Voelker property, Wedge Meiss Lake Basin just south Sam's Neck, ca. 15 miles southwest Dorris Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  SEINET8225553  Oreostemma alpigenum J. Kierstead 1990-7-18 90 -103 Siskiyou Mt. Shasta Ranger Dist.; Gumboot Creek, south side of Mt. Eddy, 100 yards wouth of Forest Service Rd. 40N26. 1676 Comment
  CAS-BOT-BC355596  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  HSC24897  Oreostemma alpigenum var. andersonii Richard Spjut 1970-7-17 449 Siskiyou Edges of Gumboot Lake, Scott Mtns. 1829 Comment
  HSC68168  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-18 4499 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA0076584  Orobanche fasciculata Frederick W. Oettinger 1968-8-16 530 Siskiyou S-facing slope of Little Medicine Mountain near the open summit, due north of Hancock Lake. Comment
  UC141178  Orthilia secunda Dr. E. B. Copeland 1903-9-6 3924 Siskiyou Mt. Eddy 1371 Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  JEPS4543  Orthocarpus cuspidatus subsp. copelandii L. E. Smith 1913-9-1 Siskiyou Mt. Eddy Comment
  UCR101775  Orthocarpus cuspidatus subsp. copelandii L. C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  RSA120314  Orthocarpus cuspidatus subsp. copelandii S. S. Tillett 1956-7-9 671 Siskiyou Along ridge running n from nw side of Scott Mtn., between Big Carmen Creek and Mule Creek, Siskiyou-Trinity Cos line, ca. 8 mi se of Callahan. 1951 Comment
  RSA183421  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  RSA183717  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1965-7-30 138 Siskiyou Marble Mtns. Near top of marble rim. Comment
  UC535779  Orthocarpus cuspidatus subsp. copelandii Elmer I. Applegate 1923-9-7 3955 Siskiyou Doggett Ridge Klamath Canyon (Klamath Canyon); Siskiyou Mts., , Doggett Ridge Comment
  SEINET10549696  Orthocarpus lithospermoides Strull 1984-5-26 STRULL 65 Siskiyou T44n, r11w, s26, indian scotty campground, 15.2 mi w of fort jones on scott River rd. Collected on roadside growing with quercus, cornus, and aquilegia. 701 Comment
  HSC22172  Osmorhiza berteroi J. O. Sawyer, D. E. Anderson 1969-7-18 1382 Siskiyou Near South Russian Creek 1890 Comment
  HSC91161  Osmorhiza berteroi Jennifer Whipple 1977-7-22 2050 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  UC595105  Osmorhiza occidentalis David D. Keck 1938-8-6 4811 Siskiyou 4 mi s Oregon Line (on road from Waldo to Happy Camp, at Del Norte Co. line); Summit of Siskiyou Mts., Poker Flat 1555 Comment
  CAS-BOT-BC413216  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  CHSC71285  Packera cana Vernon H. Oswald; Lowell Ahart 1998-6-11 9175 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. Eddy 2500 Comment
  SBBG2225  Paeonia brownii H. and M. Dearing 1938-6-29 2191 Siskiyou Mt Shasta 1828 Comment
  UC196954  Panicum capillare Geo. D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  JEPS106485  Parnassia cirrata J. K. Nelson 2004-8-31 2004 -97 Siskiyou Gumboot Meadow, 1/2 mi N of Gumboot Lake, S of Road 40N26, headwaters south fork Sacramento River; ca. 20 mi W of Mount Shasta City 1813 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC175618  Parnassia palustris Milo S. Baker 1926-8-8 254 -'26 Siskiyou Meadow bet. Red Mt. & Granite Peak 2194 Comment
  CAS-BOT-BC202850  Paxistima myrsinites L. B. Kildale 1930-6-1 9867 Siskiyou Salmon River at Forks of Salmon Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  CHSC95120  Paxistima myrsinites L. P. Janeway 2006-7-2 8742 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  SBBG4074  Paxistima myrsinites H. and M. Dearing 1939-7-1 3774 Siskiyou W of Etna on Etna Crk 1219 Comment
  CAS-BOT-BC202857  Paxistima myrsinites Volney Rattan 1879-6-16 s.n. Siskiyou Summit of Siskiyou Mountains Comment
  HSC685  Pedicularis attollens William J. Ferlatte 1967-8-20 1063 Siskiyou Caribou Basin 1982 Comment
  OBI55459  Pedicularis attollens David J. Keil, Kathleen Keil 1992-7-21 23544 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 1.7 mi W of Scott Mtn rd (hwy 3) 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
  UC672571  Pedicularis densiflora Dorothy Tebbe 1930-3-28 61 Siskiyou near Weed Comment
  CAS-BOT-BC204675  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Siskiyou Mts., Rogue River National Forest. Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage 1777 Comment
  UC1040697  Pedicularis racemosa Alfred H. Murphy 1956-8-16 56 EE Siskiyou Tangle Blue Lake; Klamath National Forest 1767 Comment
  POM237116  Pedicularis racemosa Lester Rowntree 1937-8-9 7648 Siskiyou Summit of Happy Camp Rd. Comment
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Feb 3 2011
  CAS-BOT-BC67681  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  RSA686823  Pellaea breweri M. B. Dunkle 1945-8-7 9335 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  SJSU6074  Penstemon anguineus R. W. Trivelpiece 1971-7-27 62 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1371 Comment
  RSA126289  Penstemon anguineus I. L. Wiggins 1955-7-24 13490 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks. 1494 Comment
  RSA165522  Penstemon anguineus Clare B. Hardham 1961-7-2 8061 Siskiyou Ridge west of Etha. Comment
  UC27476  Penstemon davidsonii var. davidsonii Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  CAS-BOT-BC265382  Penstemon davidsonii var. davidsonii Ella Dales Cantelow 1940-6-2 4483 Siskiyou 9.4 miles W Indian Wells Ranger Station Comment
  CDA41878  Penstemon deustus Jess Grisham 1958-5-13 421 -58 Siskiyou Wanaka property, Yreka. 0 Comment
  JEPS11235  Penstemon deustus var. deustus W. L. Jepson July, 1894 21421 Siskiyou n Sisson (Muir Peak (Black Butte)); , n of Sisson Comment
  JEPS11264  Penstemon gracilentus W. L. Jepson 1894-8-4 21431 Siskiyou near Horse Camp (snow line Mount Shasta); Mount Shasta near Horse Camp Comment
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Jan 18 2009
  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
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  JEPS101503  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16048 Siskiyou Mallethead Rock, headwaters Willow Creek, Shasta Valley River drainage 1645 Comment
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  RSA407901  Penstemon laetus subsp. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  NY604574  Penstemon laetus var. sagittatus W. B. Cooke 1975-9-3 50481 Siskiyou Above Andesite Station in pine plantation, Mount Shasta Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  RSA339999  Penstemon laetus var. sagittatus Noel Holmgren, Patricia K. Holmgren 1980-7-1 9448 Siskiyou US Hwy 97, 8.7 km (5.4 miles) NE of Weed. 1100 Comment
  UC1874902  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range, Mt Shasta, along E side of US 97 ca 5.1 mi NE of jct. I-5 Bus. 1158 Comment
  UCD124310  Penstemon newberryi A. H. Murphy 1959-7-22 59 P Siskiyou Shasta National Forest, Porcupine Lake. 2286 Comment
  RSA790237  Penstemon newberryi subsp. berryi Rebecca Wenk 2005-7-19 321 Siskiyou Along Pacific Crest Trail, 2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2165 Comment
  CAS-BOT-BC239332  Penstemon newberryi var. berryi L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  NY627432  Penstemon newberryi var. berryi F. W. Pennell 1940-7-17 26170 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  NY627386  Penstemon newberryi var. newberryi C. B. Wolf 1937-8-8 9082 Siskiyou Southwest side of Mt. Shasta, 1/2 mile south of trail to Horse Camp. 1524.0 Comment
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UCSB24889  Penstemon newberryi var. newberryi Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  JEPS104858  Penstemon parvulus Dean W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  HSC91115  Penstemon parvulus Jennifer Whipple 1976-7-2 1255 Siskiyou Near edge of Dobkins Lake 2073 Comment
  POM298283  Penstemon parvulus D. D. Keck 1938-8-8 4876 Siskiyou Siskiyou County at Trinity County line; Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1677 Comment
  POM43010  Penstemon procerus subsp. brachyanthus Geo. D. Butler 1910-7-10 1739 Siskiyou Upper Campbell Lake, Skackleford Creek. 1372 Comment
  CHSC1886  Penstemon rupicola V. Holt 1932-7-5 Siskiyou Castle Lake. 1981 Comment
  HSC101872  Penstemon rupicola R. D. Whittlesey 2013-6-4 2 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1187 Comment
  RSA120922  Penstemon shastensis Wagnon 1957-8-11 1687 Siskiyou East slope of Mt Shasta on rd to Brewer Crk, 3 mi W of Military Pass Rd. Comment
  SBBG82056  Penstemon speciosus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  UC1096820  Penstemon speciosus Milo S. Baker 1957-6-15 13111 Siskiyou just s Weed; just s of Weed Comment
  RSA120854  Penstemon speciosus M. S. Baker 1957-6-15 13111 Siskiyou Just S of Weed. Comment
  HSC34297  Perideridia parishii subsp. latifolia J. P. Smith, J. O. Sawyer 1973-8-14 7291 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  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-BC423347  Peritoma platycarpa Brandegee No date on label s.n. Siskiyou Unspecified Comment
  CHSC32966  Persicaria amphibia J. P. Smith; Steve Selva 1970-7-16 4386 Siskiyou Along Klamath River 2 miles west of Seiad Creek. 518 Comment
  UC1177549  Phacelia Lincoln Constance and Rimo Bacigalupi 1959-6-16 3673 Siskiyou w slope of mt 3.6 mi above Mt. Shasta (city) (on road to Panther Meadows); Mt. Shasta 1524 Comment
  HSC68417  Phacelia corymbosa Maralyn A. Renner 1980-6-9 839 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC76892  Phacelia corymbosa K. T. Stillman 1976-7-7 159 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET5759868  Phacelia dalesiana W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mts., Kangaroo Lake 1981 Comment
  CAS-BOT-BC6867  Phacelia dasyphylla James Downer Culbertson 1904-8-15 s.n. (= no. 4355 of C.F. Baker's distribution) Siskiyou Mt. Whitney 3962 Comment
  JEPS81016  Phacelia egena James Payne Smith Jr. 1976-5-22 8784 Siskiyou Callahan Rd along e side of valley Scott Valley 1036 Comment
  HSC13708  Phacelia greenei J. T. Howell 1952-6-14 28340 Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to Callahan 854 Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  UC618687  Phacelia hastata subsp. compacta John Thomas Howell 1938-8-21 11551 Siskiyou Horse Camp Flats Mount Shasta, vicinity of Horse Camp Basin Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  SEINET5763832  Phacelia heterophylla G. D. Butler 1910-5-7 1300 Siskiyou Near Yreka Comment
  UC54513  Phacelia linearis H. M. Hall and E. B. Babcock June 1903 4087 Siskiyou near Edgewood; Mount Shasta, Shasta Valley 914 Comment
  HSC19148  Phacelia mutabilis J. O. Sawyer 1969-7-1 966 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC29259  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou Salmon Mtns., just below Tom Taylor Cabin Spring 2043 Comment
  UC192004  Phacelia pringlei Lemmon Sept. 1879 Siskiyou near Mt. Shasta Comment
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Aug 13 2011
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  SBBG122789  Phacelia pringlei B. Ertter 1990-7-14 9338 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1828 Comment
  UC1950202  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City; several forks join before steep drop Comment
  UC1426020  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou base of cliffs sw Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC29263  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Salmon Mtns., due E of Diamond Lake, 50 ft. below the lake 2058 Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  UCSB14940  Phacelia procera Breedlove, Dennis 1961-7-5 Siskiyou 14.0 miles southeast of Obrien on road to Happy Camp, Siskiyou Mountains 1463 Comment
  CAS-BOT-BC77427  Philadelphus lewisii Carl B. Wolf 1927-8-27 1127 Siskiyou On the Klamath River, 6 mi. below Happy Camp Comment
  CAS-BOT-BC77432  Philadelphus lewisii A. M. Vollmer; L. Beane 1951-6-2 38 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC909474  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 mi n Beaver Creek Public Camp (along Beaver Creek 5 mi n of junction <with> Klamath River); Klamath National Forest Comment
  UCR93361  Philadelphus lewisii Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  RSA0097437  Philadelphus lewisii Bonnie C. Templeton 1930-6-15 s.n. Siskiyou Shasta River Canyon, near Yreka. Comment
  UCSB22299  Phlox adsurgens Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  UC455646  Phlox austromontana I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CHSC1303  Phlox caespitosa V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2743 Comment
  HSC19154  Phlox diffusa J. O. Sawyer 1969-6-13 954 Siskiyou Slope above Little Duck Lake 2134 Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  UCD118456  Phlox diffusa R. Tofsrud; J. M. Tucker 1948-8-2 s.n. Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  SEINET7042788  Phlox gracilis A. G. Vestal 1955-5-17 s.n. Siskiyou 3 miles northeast of Fort Jones on Moffett Creek Road. Moffett Creek Valley. Indian Creek quadrangle UTM Zone 10, 518135mE, 4608002mN. Comment
  UC1222726  Phlox gracilis Joseph P. Tracy 1951-6-16 19477 Siskiyou at crossing of Takilma and Happy Camp (near Oregon-California State line); Summit of the Siskiyous Comment
  UC643291  Phlox speciosa unknown 1940-6-6 15049 Siskiyou along Castle Lake Road Comment
  UC585232  Phlox speciosa subsp. occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1943 Siskiyou 8 mi s Yreka 822 Comment
  RSA47600  Phlox speciosa subsp. occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-12 11848 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  RSA431456  Phoenicaulis cheiranthoides L. C. Wheeler 1934-8-9 3078 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. (Mt. Diablo Mer.) 1921 Comment
  CAS-BOT-BC135024  Phoradendron bolleanum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  HSC44984  Phyllodoce empetriformis J. O. Sawyer 1978-6-21 3289 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  HSC60912  Phyllodoce empetriformis Al Hobart Siskiyou Black Butte Comment
  JEPS40854  Phyllodoce empetriformis Paul C. Hutchison 1962-8-2 941 Siskiyou Mount Shasta, between Panther Meadow and top of ski lift Mount Shasta 2621 Comment
  UC609320  Phyllodoce empetriformis Eleanor Burks Hart 1938-8-20 942 Siskiyou sw slope of Red Cap Red Cap 2255 Comment
  CAS-BOT-BC60777  Physaria occidentalis Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy. 2529 Comment
  CAS-BOT-BC60761  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  CAS-BOT-BC64869  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-19 331 Siskiyou Along the Pacific Crest Trail, near top of Pass below Mount Eddy. 2440 Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  RSA105421  Physocarpus capitatus G. D. Barbe 1955-6-29 45 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  UC1736325  Physocarpus capitatus Dean W. Taylor 1972-7-3 1602 Siskiyou Cook and Green Pass 1371 Comment
  UCSB24685  Physocarpus capitatus Favero, R. 1968-5-16 Siskiyou 13 miles from Somes Bar bridge toward Happy Camp, Salmon Mountains 487 Comment
  CAS-BOT-BC228582  Picea breweriana Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1755 Comment
  CHSC27346  Picea breweriana T. B. Devine 1976-11-23 366 Siskiyou Little Duck Lake, 1/8 mi ne. 2011 Comment
  JEPS46724  Picea breweriana W. L. Jepson 1907-7-19 2949 Siskiyou Happy Camp Trail Siskiyou Mts., Indian Creek (head of creek) Comment
  UC705881  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou summit of Cayenne Ridge on w side Marble Mountain, Cayenne Ridge Comment
  UCSB26297  Picea breweriana Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  NY29988  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
  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-BC73398  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Summit of Black Butte. 1905 Comment
  UC1200621  Pinus albicaulis Peter Kamb 1949-8-25 1480 Siskiyou Horse Camp Mt. Shasta (sw slope of mt.) 2438 Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  CAS-BOT-BC78323  Pinus attenuata A. A. Heller 1921-7-23 13587 Siskiyou near McCloud at the foot of Mt. Shasta 1066 Comment
  CAS-BOT-BC78324  Pinus attenuata L. E. Smith 1913-6-12 365 Siskiyou Sisson Comment
  RSA237210  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC73312  Pinus balfouriana John Thomas Howell 1939-8-8 15166 Siskiyou Marble Mts., Black Mt. Comment
  HSC67826  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-20 3763 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC31507  Pinus monticola Steve Selva, Roger Jensen 1974-8-16 19 Siskiyou N shore of Sugar Lake. Comment
  HSC68408  Pinus monticola Maralyn A. Renner 1980-7-4 1414 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  HSC27949  Pinus ponderosa Carl W. Mize 1972-9-23 119 Siskiyou End of road 945 Comment
  UCSB24549  Piperia transversa Keefe, Joseph 1967-7-11 Siskiyou Fort Goff Camp Ground; east of Seiad Valley 396 Comment
  UC922362  Piperia unalascensis Annie M. Alexander and Louise Kellogg 1949-7-31 5907 Siskiyou lower end Sky High Valley; Marble Mountains 1767 Comment
  UC79242  Plagiobothrys canescens Thomas Howell May 1889 1384 Siskiyou Hornbrook Comment
  RSA610188  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  JEPS68125  Plagiobothrys tenellus George D. Butler 1909-4-18 633 Siskiyou near Yreka Comment
  RSA45315  Plagiobothrys tenellus Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman s Valley 1128 Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  JEPS68263  Plantago eriopoda L. R. Heckard 1972-5-31 2936 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  SEINET8274193  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle, Shasta Valley. Comment
  HSC27780  Platanthera dilatata var. leucostachys J. D. Ackerman, A. Montalvo 1973-7-21 106 Siskiyou Paines Springs, 2.8 mi. SE of Medicine Lake Comment
  HSC4863  Platanthera sparsiflora J. O. Sawyer 1968-7-10 506 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC69399  Platanthera sparsiflora Maralyn A. Renner 1980-8-8 2443 Siskiyou Rattlesnake Meadow 1646 Comment
  UCD137537  Plectritis congesta James P. Smith 1973-5-5 6519 Siskiyou Scott Bar, along the Scott River. Comment
  UCD80890  Poa Robert E. Preston 2001-6-23 1557 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC30562  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  HSC30211  Poa bulbosa William J. Ferlatte 1968-6-8 1133 Siskiyou Mountain Meadow Ranch. 1524 Comment
  RSA484232  Poa bulbosa L. C. Wheeler 1935-5-11 3479 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC69043  Poa piperi Maralyn A. Renner 1980-8-7 2349 Siskiyou Klamath National Forest, S of Rattlesnake Meadow. 1799 Comment
  CDA2367  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2581 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  RSA22128  Poa pratensis J. T. Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA715495  Poa pratensis L. Ahart 2005-6-9 12033 Siskiyou along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/4 mile (air) south of Highway 99/97 Cuttoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  SEINET10605106  Poa pratensis H. E. Brown 1897-6-1 Brown 374 Siskiyou Near Sisson 1084 Comment
  CHSC86460  Poa pratensis subsp. pratensis Jenny Marr 1993-7-1 77 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  JEPS107476  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes 2005-6-9 12033 Siskiyou Hill, along a rock fence, about 100 yards southeast 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
  HSC76917  Poa pringlei K. T. Stillman 1976-6-26 129 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  RSA238332  Poa pringlei Frederick W. Oettinger 1967-8-17 274 Siskiyou On northwest exposure of Crapo Peak Ridge along trial where it crosses the ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 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
  UC167208  Poa rhizomata Geo. D. Butler 1910-4-21 1205 Siskiyou Oro Fino; ; Siskiyou Co. Comment
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  HSC39635  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-6-30 5644 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  HSC89533  Poa secunda subsp. secunda K. Berg, Stephanie Bennett 1986-8-25 650 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  SJSU6534  Poa secunda subsp. secunda R. W. Trivelpiece 1973-6-28 160 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi due west of Callahan 2042 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UCD52736  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Round Meadow, Klamath National Forest, USFS. Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  POM75554  Polemonium californicum Geo D. Butler 1910-7-9 1717 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC263241  Polemonium carneum R. Stubbs 2010-6-25 011 Siskiyou Private property. 5 miles west of Yreka Comment
  CAS-BOT-BC313714  Polemonium eddyense R. Stubbs 2010-7-15 015 Siskiyou Mt Eddy in the Klamath Mts. On trail leading to summit. First plants on S aspect along trail. Plants also on summit 2749 Comment
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Jul 6 2020
  UC602587  Polemonium pulcherrimum W. Bridge Cooke 1938-7-28 11376 Siskiyou Mt. Shasta 2895 Comment
  HSC35801  Polygala cornuta J. O. Sawyer 1969-9-18 2389 Siskiyou Midslope above CCC Rd. 1494 Comment
  CAS-BOT-BC170340  Polygala cornuta var. cornuta Doris K. Kildale 1925-9-6 1293 Siskiyou Somes Bar, near junction of Salmon & Klamath River 243 Comment
  CAS-BOT-BC170345  Polygala cornuta var. cornuta John Thomas Howell 1934-7-4 12406 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA749253  Polygala cornuta var. cornuta K. M. Meyer, A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  SEINET3163465  Polygala cornuta var. cornuta G. B. Grant 1024 Siskiyou Sisson, S. Cal. 1128 Comment
  JEPS107381  Polygonum arenastrum Lowell Ahart, John Dittes 2005-6-10 12060 Siskiyou In a depression, near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC414175  Polygonum aviculare subsp. buxiforme Geo. D. Butler 1908-6-24 181 Siskiyou Unspecified Comment
  UC1331765  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou ne corner of Siskiyou Ave. and Interstate 5 freeway (n limits of Dunsmuir); Dunsmuir Comment
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May 24 2006
  CDA2794  Polygonum cuspidatum Don Shaw 1971-9-23 Siskiyou Alexander property, Slough Road, Edgewood. 0 Comment
  UC168611  Polygonum davisiae J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  JEPS74478  Polygonum douglasii W. J. Ferlatte 1966-8-3 249 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  CAS-BOT-BC414596  Polygonum douglasii Louis C. Wheeler 1934-7-3 2859 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  UC402691  Polygonum douglasii subsp. douglasii Milo S. Baker 1898-8-1 506 Siskiyou on bluff sw Medicine Lake Comment
  SEINET3405925 Image available Polygonum douglasii var. johnstonii J. M. Tucker, L. K. Mann 1963-8-17 3742 Siskiyou beside trail fro Red Rock Valley to top of ridge to the sout, Marble Mountain Wilderness Area 1859 Comment
  SDSU9664  Polygonum persicaria D. F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  SD62053  Polygonum phytolaccifolium Darley F. Howe 1965-8-8 4127 Siskiyou Saddle, south of Little Gray Back Klamath National Forest 1402 Comment
  JEPS93884  Polygonum polygaloides subsp. confertiflorum Vernon H. Oswald and Lowell Ahart 1998-7-21 9335 Siskiyou 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit on s side of Tennant Road); Tennant Road 1402 Comment
  POM144986  Polygonum shastense C. F. Baker 1903-8-16 3892 Siskiyou Mt Shasta 2439 Comment
  UCD100666  Polygonum spergulariiforme Ferdinand Brown 1936-7-13 s.n. Siskiyou Dunsmuis. Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC41042  Polypodium hesperium J. O. Sawyer 1970-3-4 2061 Siskiyou N of Idlewild Campground 762 Comment
  HSC103017  Polypogon maritimus J. P. Smith 2014-6-6 13874 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC69324  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 732 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CHSC38  Polystichum lemmonii V. Holt 1933-4-10 Siskiyou Mt. Eddy. 2438 Comment
  POM22933  Polystichum lemmonii E. B. Copeland 1903-8-18 3813 Siskiyou Mount Eddy 1677 Comment
  CAS-BOT-BC72374  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mountain Wilderness Area, Scott Bar quad. 2011 Comment
  HSC79125  Polystichum lemmonii C. J. Thomas 1983-10-1 77 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM197154  Polystichum lemmonii J. G. Lemmon 1889-09 s.n. Siskiyou Mt. Eddy Comment
  JEPS79619  Polystichum lonchitis Edward Lee ca. 1975 Siskiyou Russian Peak Comment
  CAS-BOT-BC76681  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral, Russian Creek Comment
  RSA331965  Polystichum munitum Dave Kelly, Walter Wisura 1985-7-30 4072 Siskiyou Along Middle Creek Rd (47N63), N of Horse Creek at Hwy 96. Siskiyou Mtns. Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC102960  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  JEPS125852  Potamogeton alpinus subsp. tenuifolius Dean W. Taylor 1996-6-24 15741 Siskiyou Klamath River canyon near Oregon State line Comment
  SBBG126112  Potamogeton berchtoldii L. Ahart, J. Dittes 2010-7-30 16963 Siskiyou swift deep water of the Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  HSC61506  Potamogeton crispus Ruby Van Deventer Siskiyou Kelley Lake and Trail Comment
  RSA238845  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-9-5 1684 Siskiyou Salamander Lake. 0.7 miles NE of Abbott s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1791 Comment
  HSC103176  Potamogeton richardsonii Dana York, Jim Shevock 2012-7-20 3114 Siskiyou Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  CAS-BOT-BC143183  Potentilla breweri John Thomas Howell 1937-7-25 13468 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC2409  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC143256  Potentilla flabellifolia A. A. Heller 1922-7-3 13678 Siskiyou On the slope above the head of Wagon Creek, on Mt. Eddy 2560 Comment
  JEPS84267  Potentilla fruticosa L. R. Heckard with J. Hickman et al. 1986-7-17 6542 Siskiyou se Condrey Mt. (Alex Hole); se of Condrey Mt., Alex Hole 1960 Comment
  RSA12583  Potentilla glandulosa subsp. ashlandica Carl B. Wolf 1934-7-6 6003 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  HSC126  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC29385  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Marble Mtns. Wilderness Area, Horse Range Lake meadow 1829 Comment
  CHSC106097  Potentilla millefolia Lowell Ahart; John Dittes 2010-7-30 16938 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS104991  Potentilla millefolia Dean W. Taylor 1996-7-27 15863 Siskiyou Grass Lake (about 15 air mi NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  UC1733684  Potentilla millefolia Kay H. Beach, Frank Gould 1940-5-16 644 Siskiyou about 24 mi N of Weed (on the road to Klamath Falls) Comment
  UCD113806  Potentilla millefolia M. V. Maxwell 1941-6-25 s.n. Siskiyou 14 mi. E. of Montague. 914 Comment
  CAS-BOT-BC144831  Potentilla rivalis Roxana S. Ferris; Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station onU. S. Highway 97 1554 Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  HSC99330  Prunella vulgaris C. B. Wolf 1927-8-26 1092 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  RSA12572  Prunella vulgaris var. lanceolata Carl B. Wolf 1934-7-6 6014 Siskiyou 1/2 mile below Wagon Camp, S slope of Mt. Shasta 1524 Comment
  CAS-BOT-BC158214  Prunus emarginata John Thomas Howell 1939-8-3 14986 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC158222  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  HSC19188  Prunus emarginata J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  RSA237592  Prunus emarginata Frederick W. Oettinger 1968-8-10 468 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA59511  Prunus emarginata E. K. Balls 1950-5-15 14701 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  RSA52440  Prunus subcordata Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley. Comment
  SBBG27199  Prunus subcordata L. Constance, R. C. Rollins 1942-5-14 2922 Siskiyou rd to Walker Post Office, 3 mi W of Yreka 1219 Comment
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Mar 27 2013
  UC136941 Image available Prunus subcordata J. G. Lemmon and Mrs. Lemmon 1874-1 Siskiyou near Sisson; U. S. Pacific Slope; near Sisson Comment
  CAS-BOT-BC151232  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, south of camp, Marble Mts. 1792 Comment
  CAS-BOT-BC151242  Prunus virginiana var. demissa Doris K. Kildale 1929-5-31 9125 Siskiyou Cecilville, South Fork Salmon River Comment
  HSC18827  Prunus virginiana var. demissa R. C. Wunner 1965-6-6 97 Siskiyou California Lava Beds National Monument; Lower Caldwell Ice Cave 1402 Comment
  UC1034612  Prunus virginiana var. demissa Douglas Barbe 1955-6-28 24 Siskiyou 0.8 mi n of Callahan; Klamath Mountains 1005 Comment
  UC1539991  Prunus virginiana var. demissa M. Mitchell 1936-5-12 17 Siskiyou n side of Eaglenest, Lava Beds National Monument, Eaglenest Eaglenest; Lava Beds National Monument, Eaglenest 1584 Comment
  SEINET7452469  Prunus virginiana var. demissa G. D. Butler 1909-5-16 s.n. Siskiyou Near Yreka. Comment
  CAS-BOT-BC357406  Pseudognaphalium microcephalum Alice Eastwood 1912-7-21 1297 Siskiyou Sisson Comment
  JEPS24617  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6770 Siskiyou in the 1.5 mi stretch between Shasta Retreat (n outskirts of Dunsmiur) ro Mossbrae Falls and Shasta Springs; Sacramento River Canyon, S. P.(Shasta Route) railwayi 731 Comment
  UC120047  Pseudostellaria jamesiana Thos. Howell 1889-4-16 1337 Siskiyou Hornbrook Comment
  JEPS47273  Pseudotrillium rivale Milo S. Baker 1923-8-14 243 b Siskiyou Siskiyou Nat'l Forest, Smith R. Division, Camp 6 Comment
  RSA572073  Pseudotsuga menziesii L. C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off west fork of Beaver Creek. 1372 Comment
  CHSC71869  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald; Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CHSC88367  Psilocarphus oregonus Jenny Marr 1993-7-1 173 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC361904  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry Flat, Klamath R. 518 Comment
  HSC67724  Pterospora andromedea John S. Palmer 1980-8-12 680 Siskiyou SE of Wards Gap. 1189 Comment
  CHSC93527  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 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
  LA208179  Purshia tridentata var. tridentata Victor Duran; 1916-6-23 Siskiyou near Black Butte N of Sisson 1127 Comment
  UC73074  Purshia tridentata var. tridentata Milo S. Baker Jun 1896 123 Siskiyou 15 mi w Bartles (Sissons Road) Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  HSC69309  Pyrola crypta Maralyn A. Renner 1980-7-24 1979 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC18921  Pyrola minor J. O. Sawyer 1969-8-1 1610 Siskiyou Behind Horseshoe Lake 1921 Comment
  UC625499  Pyrola picta Frank W. Gould 1938-6-27 473 Siskiyou 3 mi n of town of Mount Shasta (near highway U.S. 99) 1082 Comment
  UC165292  Pyrola picta Geo. D. Butler 1908-7-20 22 Siskiyou Head of Long Gulch Comment
  JEPS109773  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 2002-7-27 18279 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  OBI55547  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  CAS-BOT-BC362388  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 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
  CAS-BOT-BC362391  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC62715  Quercus chrysolepis C. Hart Merriam 1919-10-17 s.n. Siskiyou Sacramento Canyon, near Sisson Comment
  CAS-BOT-BC94652  Quercus garryana Roxana S. Ferris; Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 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
  HSC29147  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Marble Mtn. Wilderness Area, NNW of Tobacco Lake and W of W cove of Hancock Lake 1921 Comment
  RSA237813  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-3 1152 Siskiyou Growing just s.w. of the brook on the w. side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  HSC27626  Quercus kelloggii Carl W. Mize 1972-8-17 105 Siskiyou Near Gates Creek 366 Comment
  HSC71373  Quercus kelloggii J. P. Smith, Steve Selva 1970-7-17 4431 Siskiyou Along Klamath River. Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  JEPS80590  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Black Mt. Trail Marble Mt. Wilderness Area 1798 Comment
  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
  RSA493211  Quercus sadleriana Sandra Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  SFV17490  Quercus sadleriana P. Wilson 1998-7-25 3548 Siskiyou Bear Creek just before entering Marble Mountain Wilderness. 1200 Comment
  UCD47231  Quercus sadleriana T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1371 Comment
  UCD47240  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Oak, Preston Peak Quad. Collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake. (Received through the courtesy of Chris Cagle Oct. 16, 1980 B. Kasapligil). 1316 Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  CAS-BOT-BC104626  Quercus vacciniifolia Alice Eastwood 1921-6-24 10759 Siskiyou Castle Lake Comment
  HSC534  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Yellow Rose Mine 1982 Comment
  POM210972  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou W Fork Beaver Creek, Siskiyou Mts. Mt Diablo Mer 1677 Comment
  UC142567  Quercus vacciniifolia Dr. E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy 1432 Comment
  RSA593942  Quercus vacciniifolia Louis C. Wheeler 1963-9-3 8345 Siskiyou Cyclone Gap chrome mine. Comment
  UC1731566  Raillardella pringlei Glenn L. Clifton 1992-9-11 27384 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  UCD135381  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Shasta-Trinity National Forest, around 0.25 miles north of Gumboot Lake along gumboot Creek (near Mount Eddy). Comment
  UC1733709  Ranunculus Frank Gould, Kay H. Beach 1940-5-16 1252 Siskiyou Bald Mtn. Comment
  RSA256598  Ranunculus alismifolius var. alismellus J. P. Smith 1974-5-26 7533 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  CDA24326  Ranunculus glaberrimus Don Shaw 1977-4-2 Siskiyou Sam s Neck, near Dorris. 0 Comment
  JEPS2826 Image available Ranunculus occidentalis Harley P. Chandler Jun 1901 1691 Siskiyou near Marble Mountain; North Coast Ranges; Near Marble Mt., Siskiyou Co. Comment
  RSA47793  Ranunculus occidentalis var. ultramontanus Roxana S. Ferris, Laura Lorraine 1948-6-13 12 Siskiyou 2.6 miles below summit of Gazelle Mtn grade, E side. 1418 Comment
  UCR37835  Ranunculus uncinatus L. P. Janeway 1983-8-6 486 Siskiyou At Poker Flat, a meadow in a fir forest. Dry E side of meadow, near edge 1524 Comment
  POM181614  Rhamnus californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley. 884 Comment
  RSA7703  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC58187  Rhododendron columbianum Volney Rattan 1879-1-1 s.n. Siskiyou Illinois River. Comment
  HSC36760  Rhododendron macrophyllum Brent Whiteley 1975-6-28 77 Siskiyou 915 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
  UC165925  Ribes Geo. D. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  UC455594  Ribes I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1676 Comment
  JEPS49301  Ribes aureum Annie M. Alexander and Louise Kellogg 1911-6-4 108 Siskiyou Mayten Comment
  SEINET5343345  Ribes aureum G. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92545  Ribes binominatum Saxton; Canfield 1922-8-26 87 Siskiyou Klamath Forest. Greider [Grider] Creek. 1524 Comment
  HSC29424  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  UC1167541  Ribes binominatum C. R. Quick 1936-8-18 Siskiyou near Oregon State Line (margins of Poker Flat, near summit of Siskiyou Mountains); Klamath National Forest Comment
  UC796515  Ribes binominatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11769 Siskiyou about 6 mi from Etna (on Forks of Salmon Rd.) 1706 Comment
  HSC20283  Ribes cereum D. M. Thomson 1965-8-7 177 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  JEPS43483 Image available Ribes cereum W. L. Jepson 1940-6-27 20036 Siskiyou e slope Mt. Shasta (along the Military Road) 1828 Comment
  UC1483444  Ribes cereum J. Sawyer and J. Cole 1980-7-22 3999 Siskiyou Little Horse Peak Klamath National Forest, Bray Quad. 1719 Comment
  CAS-BOT-BC108766  Ribes cereum 1940-6-2 s.n. Siskiyou West of Indian Wells Ranger Station. Comment
  RSA0024865  Ribes cereum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39013 Siskiyou Lava Beds National Monument, near Fleener Chimneys. 1524 Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  CAS-BOT-BC173300  Ribes lacustre Milo S. Baker 1926-7-23 113 -'26 Siskiyou S. Fork Mt. - 5 mi. north of highway Comment
  CAS-BOT-BC173394  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek Comment
  HSC65689  Ribes lobbii J. P. Smith, Steve Selva 1970-6-15 3964 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  JEPS43057  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Comment
  RSA0021146  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou Saddle along ridge between Charmaine Lake and Abbotts Lake. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1890 Comment
  RSA0021629  Ribes lobbii M. B. Dunkle 1944-7-18 9151 Siskiyou Siskiyou National Forest Comment
  CAS-BOT-BC212488  Ribes marshallii Geo. D. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC212489  Ribes marshallii Harley P. Chandler 1901-6-1 1549 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  CAS-BOT-BC212491  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  JEPS22241  Ribes marshallii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6887 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  JEPS25641  Ribes marshallii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7280 Siskiyou Poker Flat 1536 Comment
  RSA237677  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC217882  Ribes nevadense Lester Rowntree 1937-7-23 s.n. Siskiyou Caribou Lake Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC219265  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  CAS-BOT-BC219267  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  UC144316  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC70542  Ribes roezlii T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp Comment
  SBBG27523  Ribes roezlii var. cruentum L. C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Crk, Sterling Mtn 1066 Comment
  RSA0019538  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  HSC48270  Ribes sanguineum var. sanguineum K. T. Stillman, P. Stekel May 1977 511 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River 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-BC168798  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  HSC76998  Ribes viscosissimum K. T. Stillman 1976-6-25 91 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  SEINET13942870 Image available Ribes viscosissimum W. M. Bridge Cooke 1941-1 16278 Siskiyou around source of MacBride Springs, Mt. Shasta elv 5000 Comment
  CHSC91347  Rigiopappus leptocladus Lowell Ahart; John Dittes 2005-6-9 12045 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC46224  Rigiopappus leptocladus Jennifer Whipple 1978-6-5 2335 Siskiyou Weston Gulch in Scott Valley 854 Comment
  SEINET5760509 Image available Rorippa curvisiliqua var. orientalis H. E. Brown 1897-1 573 Siskiyou S side of Mount Shasta 1524 Comment
  UC164064  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC146738  Rosa gymnocarpa Doris K. Kildale 1928-8-18 6413 Siskiyou North Fork of Salmon River at Finley Camp 609 Comment
  CAS-BOT-BC146748  Rosa gymnocarpa Alice Eastwood 1921-7-24 10721 Siskiyou Castle Lake Comment
  CAS-BOT-BC146749  Rosa gymnocarpa Alice Eastwood 1921-7-31 11018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC146756  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  HSC23474  Rosa gymnocarpa J. O. Sawyer 1968-6-18 182 Siskiyou Above S Russian Creek on W side. 1463 Comment
  LA208181  Rosa gymnocarpa Wm. Bridge Cooke; 1939-7-7 13580 Siskiyou Mount Shasta, along the road leading to the Municipal Spring from Howard 1493 Comment
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  SEINET7665504  Rosa gymnocarpa G. D. Butler 1910-8-7 1816 Siskiyou Humbug Mt. 1219 Comment
  CAS-BOT-BC147078  Rosa pisocarpa Doris K. Kildale 1929-7-20 8634 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC148326  Rosa pisocarpa Alice Eastwood 1917-9-2 6663 Siskiyou Shasta Springs Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  UC1034581  Rosa pisocarpa Milo S. Baker and Douglas Barbe 1955-7-4 95 Siskiyou French Creek Rd 10 mi s Etna (along creek) 944 Comment
  UC637138  Rosa pisocarpa Annetta Carter 1934-8-13 704 Siskiyou Happy Camp to Waldo (Oregon) rd Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  UC902160  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou near summit (on road from Scott Valley to Trinity Center); Scott Mt. 1615 Comment
  JEPS100526  Rosa pisocarpa subsp. pisocarpa Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15852 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  POM88096  Rosa woodsii var. ultramontana Geo. D. Butler 1908-6-20 1044 Siskiyou Near Yreka Comment
  CAS-BOT-BC147984  Rubus leucodermis Doris K. Kildale 1928-7-1 5328 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC147976  Rubus leucodermis Edward Lee 1934-8-15 1133 Siskiyou Near summit of Happy Camp to Waldo (Oregon) Road, Indian Creek watershed, Klamath National Forest 1584 Comment
  CAS-BOT-BC147318  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC147319  Rubus parviflorus G. P. Rixford s.n. Siskiyou Hilt Comment
  HSC58948  Rubus parviflorus Marvin Butler 1971-7-19 156 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  RSA211483  Rubus parviflorus William J. Ferlatte 1966-8-18 421 Siskiyou Along the S fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC59595  Rubus ursinus J. P. Smith 1973-5-5 6500 Siskiyou Along Cook and Green Pass Rd. Comment
  UC60928  Rubus ursinus Geo. B. Grant September 1902 5280 Siskiyou Mount Shasta 0 Comment
  CAS-BOT-BC363168  Rudbeckia californica Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -020 Siskiyou The Eddys, west of Mt. Shasta. Seep adjacent to unnamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mile N of Middle Fork crossing 1693 Comment
  UC1072719  Rumex salicifolius var. salicifolius Douglas Barbe 1955-6-29 49 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  RSA8226  Sagittaria cuneata Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain. Comment
  POM167592  Salix boothii H. P. Chandler 1901-06 1547 Siskiyou Near Marble Mtn. 1829 Comment
  HSC22196  Salix eastwoodiae J. O. Sawyer 1969-8-4 1916 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC5224  Salix eastwoodiae Harley P. Chandler June, 1901 1547 Siskiyou ridges and meadows near Marble Mt.; North Coast Ranges 1828 Comment
  LA208814  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 423 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1350.0 Comment
  UC481718  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 468 Siskiyou ca. 21 km. n.w. Shasta City (meadow 180 m. below Dobkin's Lake, n. side Mt. Eddy); Mt. Eddy 1770 Comment
  UC481727  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  HSC91251  Salix lasiandra var. lasiandra Jennifer Whipple 1977-8-6 2205 Siskiyou Dobkins Lake, below outlet of lake 2058 Comment
  CAS-BOT-BC107062  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-BC107073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1515 Comment
  POM107152  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek. Comment
  UC482340  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  UC576391  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 854 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  SJSU199  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou 180 m below Dobkin's Lake, N side of Mt Eddy c. 21 km NW of Shasta City 1767 Comment
  CAS-BOT-BC125681  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-1 4456 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-BC126150  Salix scouleriana L. E. Smith 1914-3-28 612 Siskiyou Weed Comment
  CAS-BOT-BC126155  Salix scouleriana Alice Eastwood 1912-7-17 1179 Siskiyou Sisson Comment
  CAS-BOT-BC126157  Salix scouleriana L. E. Smith 1914-3-1 s.n. Siskiyou Sisson near water tank of McCloud R.R. Comment
  CDA21576  Salix scouleriana Marianne Cabot 2008-8-12 PDR# 1413931 Siskiyou Ft. Jones, 6711 Mill Creek Rd. 0 Comment
  POM219904  Salix scouleriana H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  RSA238272  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  SBBG57981  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC482263  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above creek in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  CAS-BOT-BC175653  Salsola tragus L. E. Smith 1913-8-20 541 Siskiyou Montague Comment
  HSC27227  Salsola tragus J. P. Smith, J. O. Sawyer 1971-9-18 4800 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  RSA17697  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-7 9408 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC225206  Salvia sonomensis L. E. Smith 1913-8-12 521 Siskiyou McCloud Comment
  UC618882  Salvia sonomensis unknown 1938-6-17 11027 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC236484  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Canyon, Klamath Forest 1889 Comment
  UC1333332  Sambucus racemosa var. microbotrys Dorothy Parker 1949-8-12 364 Siskiyou Duck Lake Creek Siskiyou Mountains, Salmon Mountain (along banks) 1524 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  HSC76633  Sanicula graveolens K. T. Stillman 1976-6-25 30 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SEINET2140099  Santalaceae R. L. Mathiasen 2007-1 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake. 1345 Comment
  CAS-BOT-BC110340  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east Grenada. 868 Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  JEPS16187  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River); Sacramento River Comment
  RSA237684  Saxifraga nidifica Frederick W. Oettinger 1969-7-9 940 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  RSA0101699  Sceptridium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou At the inlet meadow to Tobacco Lake. 1890 Comment
  CAS-BOT-BC283650  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  CAS-BOT-BC110853  Scirpus congdonii Alice Eastwood 1921-7-24 10765 Siskiyou Castle Lake Comment
  CAS-BOT-BC35598  Scirpus congdonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mtns. 1828 Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC71109  Scirpus microcarpus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4501 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  UCD77991  Scirpus microcarpus Robert E. Preston 2002-7-13 1921 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  UCD141268  Scirpus microcarpus P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Trity Young Ranch. Comment
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  SJSU7863  Sclerolinon digynum M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1219 Comment
  RSA467543  Scribneria bolanderi M. B. Dunkle 1949-11-22 9255 Siskiyou Marble Mts. Comment
  SEINET3160653  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  POM15709  Scrophularia californica Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  CHSC14081  Scrophularia desertorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Blue Grotto Cave, Lava Bed Natol. Monument. 1456 Comment
  JEPS11421  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou near Yreka (McNulty's Field); McNulty's Field Comment
  UC1713597  Scutellaria antirrhinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6867 Siskiyou about 3 mi below (n of) Scott Mountain (road summit, on road to Callahan) 1219 Comment
  SFV5173  Scutellaria siphocampyloides B. C. Templeton 1960-6-21 8539 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  UC1585427  Sedum R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 39 Siskiyou on Seiad Valley Rd. 10.5 km n Hwy 96 (toward Cook and Green Pass, Seiad Valley area, ridge at junction between the West and East Forks of Seiad Creek); Seiad Valley area, btwn West and East Forks Seiad Creek 975 Comment
  CHSC96164  Sedum obtusatum subsp. boreale L. P. Janeway 2006-7-3 8772 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  UC1409245  Sedum obtusatum subsp. boreale Frederick W. Oettinger 1968-9-7 770 Siskiyou nw-facing slope Golden Peak (due se Tobacco Lake and at approx mid slope, Salmon Mountains, High Lake Basins vicinity English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area, Golden Pe 2011 Comment
  UC639143  Sedum obtusatum subsp. boreale W. B. Cooke 1939-8-10 13849 Siskiyou e bank Mud Creek Canyon Mount Shasta, e bank Mud Creek Canyon Comment
  HSC603  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  UC205173  Sedum spathulifolium Lewis C. Rosenbaum June 1916 Siskiyou Shasta Springs Comment
  CAS-BOT-BC59064  Sedum spathulifolium D. M. Traugh 1933-8-10 25 Siskiyou Klamath National Forest 1889 Comment
  RSA0074725  Sedum spathulifolium C. B. Wolf 1927-8-26 1063 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  JEPS82439  Sedum stenopetalum Gilbert Muth 1966-7-25 499 Siskiyou Marble Mt. Lookout , Marble Mt. Lookout (Marble Mt. Wilderness Area) 2097 Comment
  LA5906  Selaginella scopulorum Louis C. Wheeler; 1934-8-3 3036 Siskiyou Siskiyou Mountains, Big Rock, Dog Fork, Middlehell Creek 2090 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
  UC185219  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Salmon Range 1828 Comment
  HSC43380  Senecio aronicoides Maralyn O'Meara 1974-5-26 457 Siskiyou Along FS road 47N03 1524 Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC363643  Senecio fremontii var. occidentalis Wm. Bridge Cooke 1938-8-23 11572 Siskiyou Mount Shasta. North slope of Shastina Comment
  UC904780  Senecio fremontii var. occidentalis W. Bridge Cooke 1949-8-22 25559 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  JEPS37593  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest Mt. Comment
  JEPS82277  Senecio hydrophilus Roger Raiche 1983-8-14 30626 Siskiyou between road of North Mt. Shasta Blvd (900 block) and Shasta City railroad tracks 975 Comment
  CAS-BOT-BC363938  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek Comment
  HSC90544  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-16 1010 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC364043  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1274 Siskiyou North Coast Ranges. Hupa Indian Reservation 1036 Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC195243  Senecio integerrimus var. major Annie M. Alexander and Louise Kellogg 1911-6-24 182 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC364422  Senecio triangularis Louis C. Wheeler 1934-8-9 3084 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 1981 Comment
  HSC61996  Senecio triangularis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC78188  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  UC163869  Senecio triangularis Geo. D. Butler 1908-8-9 340 Siskiyou Marble Valley Comment
  UC34193  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  SD88378  Senecio triangularis Darley F. Howe 1972-7-6 Siskiyou 5 miles south of Oregon state line on road to Happy Camp 1220 Comment
  UC196948  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Dooryand> Comment
  CHSC99989  Sidalcea asprella L. P. Janeway 2008-7-25 9500 Siskiyou Klamath Ranges. Siskiyou Mountains; 3/2 air km souothwest of Cook and Green Pass; 0.4 km southeast of Red butte. 1736 Comment
  CHSC1058  Sidalcea oregana 1936-7-3 Siskiyou Mt. Shasta City. 1097 Comment
  JEPS67209  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake 1371 Comment
  JEPS67293  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20061 Siskiyou McCloud 975 Comment
  UC221438  Sidalcea oregana subsp. spicata Dr. Edward Palmer Jul 13 1892-Jul 20 1892 2532 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  RSA8252  Sidalcea oregana subsp. spicata Elmer I. Applegate 1923-8-18 3832 Siskiyou West end of Medicine Lake 1982 Comment
  HSC74919  Silene campanulata subsp. glandulosa J. P. Smith, Jennifer Whipple 1978-7-2 9966 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  UC637021  Silene campanulata subsp. glandulosa Edward Lee 1934-8-14 1094 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1828 Comment
  CAS-BOT-BC388948  Silene grayi Wm. Bridge Cooke 1938-8-18 11494 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  HSC92644  Silene grayi Jennifer Whipple 1976-7-9 1398 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UC157929  Silene grayi Milo S. Baker Aug 1897 Siskiyou near top Medicine Lake Mts.; near top of Medicine Lake Mts. Comment
  CAS-BOT-BC389430  Silene lemmonii Alice Eastwood 1912-7-21 1287 Siskiyou Sisson Comment
  CAS-BOT-BC389435  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  CAS-BOT-BC389437  Silene lemmonii John Thomas Howell 1937-7-22 13330 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CDA3454  Silene vulgaris R. S. Richards 1967-6-15 Siskiyou Highway 3, 1 mile south of Etna. 0 Comment
  CAS-BOT-BC75153  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou Near Upton. 1097 Comment
  HSC536  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC40276  Sisyrinchium bellum J. D. Ackerman, A. Montalvo 1975-7-18 581 Siskiyou Gumboat Lake Comment
  CDA39480  Sisyrinchium douglasii F. D. Horn & D. H. Shaw 1978-3-1 s.n. Siskiyou Shasta River Canyon near Yreka. 0 Comment
  RSA145154  Sisyrinchium elmeri Dorothy Parker 1959-6-15 723 Siskiyou Near summit of Scott Mountain 1631 Comment
  UC164450  Smilacina racemosa Geo. D. Butler 1910-6-19 1587 Siskiyou Goosenest foothills 1524 Comment
  RSA0000534  Smilax jamesii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1193 Siskiyou Trail from English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC30794  Solanum parishii Arthur R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S of Cook and Green Pass Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  CDA5979  Solanum triflorum J. R. Grisham 1960-9-29 Siskiyou Ralph Leavers property, Butte Valley. 0 Comment
  CAS-BOT-BC157047  Solanum umbelliferum W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  UC967210  Solanum umbelliferum L. Constance and R. Bacigalupi with S. Carlquist, R. Moran, R. L. Rodriguez and J. P. Tracy 1951-6-16 3396 Siskiyou n slope of Little Grayback. Takilma-Happy Camp road Little Grayback 1463 Comment
  CAS-BOT-BC157045  Solanum umbelliferum C. R. Quick 1958-6-17 58 -32 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  UC1222769  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou 8 mi se of Flint Valley (on road to Orleans) Comment
  RSA183743  Solidago canadensis subsp. elongata Gilbert Muth 1965-8-3 146 Siskiyou Meadow, Marble Valley, Marble Mountains. Comment
  CAS-BOT-BC365568  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Guard Station. Marble Mts. Comment
  HSC2402  Solidago elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's 1524 Comment
  UC165415  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Oro Fino Comment
  JEPS22566  Solidago spectabilis Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-2 6833 Siskiyou just north and below Scott Mountain road summit 1615 Comment
  POM39718  Solidago velutina subsp. californica Geo D. Butler 1910-7-30 1800 Siskiyou Yreka Creek. Comment
  UC455693  Sonchus asper I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  JEPS107656  Sonchus asper subsp. asper Lowell Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS123407  Sorbus californica Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -130 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  SBBG25888  Sorbus scopulina D. Myrick 1966-8-12 1528 Siskiyou Carter Ranch, Mtn Meadow Ranch, Big Flat 1676 Comment
  UC1736496  Sorbus scopulina Dean W. Taylor 1999-8-12 17299 Siskiyou Mill Creek headwaters, Marble Mountains, ca. 4 mi W of Mugginsville, Quartz Valley, creek crossing on logging road 1341 Comment
  RSA237821  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1968-8-13 501 Siskiyou S inlet to Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC29624  Spergularia rubra Frederick W. Oettinger 1968-9-3 674 Siskiyou Marble Mtn. Wilderness Area, SE of Horse Range Lake 1829 Comment
  HSC18901  Spiraea douglasii J. O. Sawyer 1968-7-23 572 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  RSA264963  Spiraea douglasii M. Ekblad 1975-10-16 s.n. Siskiyou Near Shelley Lake. Near Etna. 1634 Comment
  CAS-BOT-BC421469  Spiraea douglasii William A. Dayton 1913-8-14 491 Siskiyou Shasta National Forest. Inside Fenced Area, Ash Creek Sink. 1219 Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  SEINET7707976  Spiraea splendens G. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  UC416580  Stachys ajugoides var. rigida H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  HSC27218  Stachys mexicana J. P. Smith, J. O. Sawyer 1971-9-17 4790 Siskiyou Horse Range Creek drainage along road. Comment
  JEPS117252  Stachys palustris subsp. pilosa Lowell Ahart, John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 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) s 716 Comment
  CAS-BOT-BC391218  Stellaria longipes subsp. longipes L. E. Smith 1913-6-25 392 Siskiyou Sisson Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  UCD139815  Stenanthium occidentale J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC375099  Stephanomeria Alice Eastwood 1912-7-20 1255 Siskiyou Hornbrook Comment
  RSA12667  Stephanomeria lactucina C. B. Wolf 1934-7-6 6027 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC1408919  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou below Willow Spring (on English Lake Trail, w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1676 Comment
  CAS-BOT-BC375941  Stephanomeria virgata Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC30477  Stephanomeria virgata Frederick W. Oettinger 1969-8-10 1330 Siskiyou At Ft. Jones Comment
  HSC6234  Stephanomeria virgata R. C. Wunner 1965-9-8 511 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  CAS-BOT-BC87868  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou Black Butte, north of Mount Shasta City. 1005 Comment
  HSC82259  Streptanthus tortuosus Thomas W. Nelson, Jane P. Nelson 1980-7-5 5975 Siskiyou Fowler's Campground 1006 Comment
  UC455751  Streptanthus tortuosus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC725573  Streptanthus tortuosus var. orbiculatus A. A. Heller 1940-7-25 15769 Siskiyou along stony pathway above Horse Camp Lodge 2438 Comment
  HSC18897  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1968-7-9 422 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  UC1191398  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8304 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  CAS-BOT-BC48106  Suksdorfia ranunculifolia Lester Rowntree 1937-7-24 s.n. Siskiyou Caribou Lakes Comment
  JEPS93826  Swertia albicaulis var. albicaulis Vernon H. Oswald and Lowell Ahart 1998-6-11 9186 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, Highway 97 1066 Comment
  UC412598  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 24 Siskiyou near Sisson; Castle Lake 1524 Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC269617  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-17 29034 Siskiyou Shasta City (Sisson's) Comment
  HSC36654  Symphoricarpos albus var. laevigatus Brent Whitely 1975-7-11 155 Siskiyou 235 Comment
  UC63715  Symphoricarpos albus var. laevigatus H. M. Hall and E. B. Babcock Jun 1903 4036 Siskiyou near Dunsmuir (Mount Shasta); Sierra Nevada Mountains, Mount Shasta 609 Comment
  UC585185  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1921 Siskiyou about 7 mi sw Yreka (s of highway from Fort Jones to Yreka); Forest House Mt. 1371 Comment
  HSC34310  Symphyotrichum foliaceum J. P. Smith, J. O. Sawyer 1973-8-14 7323 Siskiyou West of Cliff Lake 2012 Comment
  CAS-BOT-BC98945  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 1970 Siskiyou Mount Eddy Comment
  UC1409458  Symphyotrichum hendersonii F. W. Oettinger 1969-8-16 1407 Siskiyou below, central areas of Wiregrass Meadow English Lake; Salmon Mts., English Peak Comment
  CAS-BOT-BC98429  Symphyotrichum spathulatum A. A. Heller 1939-7-31 15432 Siskiyou Among grasses in Panther Meadows Mt. Shasta. 2438 Comment
  JEPS22233  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6820 Siskiyou 7 mi w of, in field near roadside Callahan 1127 Comment
  OBI55463  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-21 23541 Siskiyou Klamath NF Se of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC99365  Symphyotrichum spathulatum var. yosemitanum W. R. Dudley 1901-8-25 s.n. Siskiyou Scott-Salmon Trail, Salmon Mts. Comment
  UCD86131  Taeniatherum caput-medusae P. B. Dickey 1940-5-26 954 Siskiyou Little Shasta Valley, near Little Shasta. Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 Comment
  RSA237669  Tauschia howellii Frederick W. Oettinger 1967-8-21 298 Siskiyou 20 yards south off the Tom Taylor Cabin- Pine Lake Trail, just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC81334  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou Diversion dam on China Creek 1158 Comment
  CAS-BOT-BC85247  Taxus brevifolia Doris K. Kildale 1929-8-24 8843 Siskiyou Preston Peak 2225 Comment
  UC1190267  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou diversion dam China Creek 1158 Comment
  UC455419  Taxus brevifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC719802  Taxus brevifolia R. McVaugh 1941-8-4 6233 Siskiyou n of Shasta Retreat (rocky banks of the Sacramento River); Sacramento River Comment
  HSC18991  Tellima grandiflora J. O. Sawyer 1969-7-18 1386 Siskiyou Near South Russian Creek 1890 Comment
  HSC90989  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1240 Siskiyou Slope on E shore of Durney Lake 2073 Comment
  JEPS54069  Thelypodium brachycarpum W. L. Kleaver 1915-5-31 Siskiyou Yreka Comment
  LA204480  Thelypodium brachycarpum A. A. Heller; 1927-8-2 14441 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  MACF002235  Thelypteris nevadensis Donald Branscomb 1958-7-29 27255 Siskiyou Bald Mtn. Comment
  UC165978  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-5 129 Siskiyou summit above Cold Spring (Woolly Creek); summit above Cold Spring, Woolly Creek Comment
  CAS-BOT-BC66800  Thysanocarpus curvipes Lewis S. Rose 1945-6-18 45118 Siskiyou Horse Creek and Klamath River. 502 Comment
  SEINET10761610  Tofieldia occidentalis subsp. occidentalis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC844400  Tofieldia occidentalis subsp. occidentalis Alice Eastwood 1912-9-1 551 Siskiyou Mount Eddy Comment
  SJSU6508  Tolmiea diplomenziesii R. W. Trivelpiece 1972-6-15 119 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC30615  Tolmiea diplomenziesii Frederick W. Oettinger 1969-8-9 1320 Siskiyou Along main North Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  HSC30920  Tolmiea diplomenziesii Melinda F. Denton 1973-6-27 2816 Siskiyou Klamath National Forest on 18N30, 1 mi. E of jct. with rd. to Poker Flat, 4 mi. S of OR-CA border 1250 Comment
  UC1190164  Tolmiea diplomenziesii Ira L. Wiggins 1955-7-24 4270 Siskiyou trail at crossing China Creek (above diversion dam) 1301 Comment
  UC1408896  Tolmiea diplomenziesii F. W. Oettinger 1969-8-9 1320 Siskiyou between Fivemile Stockgate and Abbott's Upper Cabin (main North Fork trail, w Siskiyou County); Salmon Mountains 1356 Comment
  CHSC43139  Tolmiea menziesii R. Banchero 1982-8-17 649 Siskiyou Ca 6 mi n of Happy Camp. N 1/4 mi from jct of F. S. roads 18N16 and 18N22 along 18N22. 975 Comment
  SEINET10810172  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-7-26 Wheeler 3714 Siskiyou Siskiyou Mts., Jaynes Canyon. Wet sunny meadow. Mt. Diablo Mer. S 12 T 47 N, R 10 W. 1951 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
  RSA625170  Trautvetteria caroliniensis var. occidentalis Louis C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  UCD18942  Triantha occidentalis A. H. Murphy 1955-7-27 55 D Siskiyou Klamath National Forest, Marble Mountains, Cold Springs Meadow. 1676 Comment
  CAS-BOT-BC519559  Triantha occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 375 Siskiyou Mt. Eddy 2438 Comment
  HSC43136  Trichostema lanceolatum Ken Stillman 1976-8-24 413 Siskiyou E and N slopes of Williams Point 366 Comment
  HSC61458  Trichostema oblongum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  JEPS94744  Trichostema oblongum Vernon H. Oswald and Lowell Ahart 1998-7-21 9358 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  UC133545  Trichostema simulatum unknown 1895-8-8 Siskiyou Siskiyou Mts. Comment
  UC1258455  Trientalis latifolia Maralyn A. Renner 1980-6-24 1039 Siskiyou Tributary stream to East Fork Seiad Creek, where crossed by F.S. Road. 48N20 East Fork Seiad Creek; Klamath National Forest, East Fork Seiad Creek 1021 Comment
  POM76570  Trientalis latifolia Geo. D. Butler 1909-5-30 765 Siskiyou Humbug Mountain. 1220 Comment
  JEPS101834  Trifolium cyathiferum Dean W. Taylor 1999-7-18 17277 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  POM28069  Trifolium cyathiferum Geo. D. Butler 1910-6-3 1473 Siskiyou Quartz Valley. Comment
  RSA78688  Trifolium eriocephalum Philip A. Munz 1952-7-2 17883 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  POM28036  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 918 Siskiyou Goosenest Comment
  UCD107924  Trifolium eriocephalum subsp. eriocephalum Ed. Hale 1984-5-8 s.n. Siskiyou East end of Deer Meadow Road, approximately 1 mile W of R. Diaz property on Shamrock Road, South of Yreka. Comment
  HSC69726  Trifolium howellii Maralyn A. Renner 1980-7-15 1780 Siskiyou English Lake inlet 1780 Comment
  CAS-BOT-BC219044  Trifolium howellii Lillian Mott 1976-7-18 57 LM76 Siskiyou Meadow at base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  HSC19000  Trifolium longipes J. O. Sawyer 1969-7-18 1389 Siskiyou Head of S Russian Creek 1829 Comment
  HSC67704  Trifolium longipes John Palmer 1980-7-24 604 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  CHSC977  Trifolium longipes subsp. hansenii E. England 1939-6-30 Siskiyou Mt. Eddy. 1828 Comment
  HSC36936  Trifolium macrocephalum J. P. Smith 1974-5-27 7602 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC164161  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Dry hill Yreka Comment
  HSC71548  Trifolium pratense J. P. Smith, Steve Selva 1970-6-16 4039 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UC147168  Trifolium variegatum Dr. E. B. Copeland 1903-7-7 3554 Siskiyou Hornbrook Comment
  UC630693  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou near Yreka Comment
  HSC48298  Trillium ovatum P. Stekel, K. T. Stillman May 1977 233 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC30709  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-10 190 Siskiyou Marble Mtn. Wilderness Area, near hairpin turn of Music Creek logging road along Statue Creek 1732 Comment
  JEPS47255  Trillium ovatum subsp. oettingeri E. L. Greene 1876-1 Siskiyou near Yreka Yreka Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  RSA238972  Trisetum canescens Frederick W. Oettinger 1969-8-3 1151 Siskiyou Halfway spring. trail English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD146708  Trisetum canescens G. F. Hrusa 1998-7-5 14676 Siskiyou Cedar Camp Road +/- 5 miles east of Weitchpec on Highway 96. North side of Highway. Mile 8.2. Siskiyou Mountains. Comment
  CAS-BOT-BC200274  Trisetum spicatum Geo. B. Grant 1902-9-1 1305 Siskiyou Mt Shasta Comment
  HSC58563  Trisetum spicatum G. L. Clifton, Griswold 1979-7-26 10118 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA352885  Trisetum spicatum M. B. Dunkle 1945-1 9318 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1265464  Trisetum spicatum Frederick W. Oettinger 1968-8-22 593 Siskiyou slopes between English Peak and Diamond Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area Comment
  UC60943  Trisetum spicatum Geo. B. Grant 1902-9-1 5092 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC133489  Triteleia crocea A. M. Vollmer; L. Beane 1951-6-2 51 Siskiyou Road between Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  CDA39445  Triteleia crocea D. Janssen & F. D. Horn 1978-5-17 s.n. Siskiyou Old Klamath River Highway east of Horse Creek. 0 Comment
  RSA68861  Triteleia ixioides subsp. anilina A. E. Culbertson 1943-6-10 95 Siskiyou Castle Lake, in north facing cirque with abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC44785  Triteleia ixioides subsp. scabra S. Horner 1978-7-5 416 Siskiyou Intersection of Sand Flat Well Rd. with 40N05 1280 Comment
  HSC67794  Tsuga mertensiana J. O. Sawyer, J. Cole 1980-7-21 3898 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  UC630403  Tsuga mertensiana Annetta Carter 1939-8-21 1465 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake, on coarse talus slope); Salmon Mountains 2072 Comment
  CAS-BOT-BC80247  Tsuga mertensiana subsp. grandicona Doris K. Kildale 1928-8-19 6536 Siskiyou Summit of Divide between English Lake + Hancock Lake, trail to Marble Mt. 1992 Comment
  RSA37425  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  CAS-BOT-BC199188  Vaccinium cespitosum Ira L. Wiggins 1955-7-27 13542 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC19529  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1627 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  CAS-BOT-BC199191  Vaccinium cespitosum W. R. Dudley 1899-8-15 s.n. Siskiyou In Black Fox Comment
  CAS-BOT-BC199233  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake Road Comment
  RSA238867  Vaccinium membranaceum Frederick W. Oettinger 1968-8-1 344 Siskiyou SW side of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC22196  Vaccinium membranaceum Harley P. Chandler Jun 1901 1577 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  UC412730  Vaccinium scoparium Annie M. Alexander and L. Kellogg 1911-6-24 185 Siskiyou Jackson Lake Comment
  CAS-BOT-BC199795  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  CAS-BOT-BC199797  Vahlodea atropurpurea John Thomas Howell 1939-8-9 15229 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC267276  Valeriana Carl B. Wolf 1934-7-4 5957 Siskiyou Siskiyou Mountains, 6.8 miles from Dry Lake Lookout on road to Horse Creek 1828 Comment
  JEPS84279  Valeriana sitchensis subsp. sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6536 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole) 1980 Comment
  CAS-BOT-BC5070  Valeriana sitchensis subsp. sitchensis John Thomas Howell 1939-8-8 15162 Siskiyou Black Mt., Marble Mts. Comment
  HSC100304  Veratrum californicum J. P. Smith, & J. O. Sawyer 2011-6-25 13274 Siskiyou Along Sugar Creek Rd. 1214 Comment
  HSC19090  Veratrum californicum var. californicum J. O. Sawyer 1969-8-4 1824 Siskiyou Above Sugar Lake 2134 Comment
  UC455538  Verbascum blattaria I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UC61039  Veronica americana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  RSA517033  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2781 Siskiyou Under and east of bridge across Shasta River, ca 5 mi N of Yreka on old US Hwy 99. 732 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
  SEINET4938455  Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy [Plants of the Pacific Coast. Distributed by C.F. Baker] Comment
  CDA6414  Veronica triphyllos T. C. Fuller 1970-3-24 19361 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  UC867217  Vicia americana var. americana A. A. Heller 1916-6-20 12400 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC2330  Vicia americana var. americana Geo. D. Butler 1910-5-30 1440 Siskiyou Humbug Mtn. 1220 Comment
  SD60168  Vicia americana var. truncata A. A. Heller 1928-6-9 14602 Siskiyou Along Sacramento River at Shasta Retreat, sandy or gravelly bench, shaded by trees & shrubs Comment
  CAS-BOT-BC264070  Viola adunca Geo. D. Butler 1909-4-25 606 Siskiyou Quartz Valley Comment
  CAS-BOT-BC270236  Viola adunca Doris K. Kildale 1929-3-11 7736 Siskiyou Cecilville, upper S fork of Salmon River Comment
  POM135252  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson [=Mt Shasta] Comment
  CAS-BOT-BC264075  Viola adunca Ella Dales Cantelow 1936-5-20 1447 Siskiyou N slope of Scott Mountain Comment
  UC903494  Viola arvensis Dorothy Parker 1948-6-3 Siskiyou along Scott River (near Fay Lane Bridge); , Scott Valley Comment
  UC1762378  Viola bakeri Freed Hoffman 1948-7-13 2631 Siskiyou 8 mi S of Tennant Comment
  UC1763499  Viola beckwithii Milo S. Baker 1905-4-1 5493 Siskiyou Yreka Comment
  UC1258473  Viola glabella Maralyn A. Renner 1980-6-26 1186 Siskiyou forest at n edge of Fl