Search Results — 2000 specimen records retrieved (1393 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC29675  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou Salmon Mountains, The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area: at south end of Diamond Lake 2073 Comment
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  SBBG330  Abies magnifica var. shastensis J. F. Davidson, J. M. Tucker 1947-5-17 1563 Siskiyou N side of Scott Mtn, ca. 200 feet below summit 2011 Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  JEPS86134  Acer glabrum var. torreyi Wayne Roderick 1956-2 Siskiyou near start of trail to Little Castle Lake (Castle Lake); Castle Lake 1676 Comment
  RSA181623  Acer glabrum var. torreyi Dorothy Parker 1950-6-4 447 Siskiyou Salmon Mountain 1921 Comment
  HSC65098  Acer macrophyllum J. P. Smith 1973-5-5 6446 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC796498  Acer macrophyllum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11778 Siskiyou on forks of Salmon Road about 5.5 mi from Etna; Forks of Salmon road Comment
  SEINET10692762  Acer negundo var. californicum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  HSC36896  Achillea millefolium J. P. Smith 1974-5-25 7513 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC1483458  Achillea millefolium Maralyn A. Renner 1980-7-23 1927 Siskiyou on w side <along> Pacific Coast Trail Upper Devils Peak; Klamath National Forest, Seiad Valley Quad., Pacific Coast T 1767 Comment
  CAS-BOT-BC30426  Achillea millefolium Alice Eastwood 1921-7-25 10839 Siskiyou Bigelowe, McCloud River Comment
  HSC68423  Achillea millefolium Maralyn A. Renner 1980-1-10 872 Siskiyou Ridge 1 mile south of Greenhorn Road and 1 mile east of Mill Creek 1341 Comment
  UCD128322  Achillea millefolium S. P. Lynch 1975-6-19 1388 -a Siskiyou 16.3 miles northeast of Happy Camp on Highway 96. Comment
  HSC27621  Achlys triphylla Carl W. Mize 1972-6-22 88 Siskiyou Draw past cut block #48 1113 Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC260332  Achnatherum hymenoides J. R. Swallen 1940-6-4 15001 Siskiyou Mount Shasta. Along the Bolam Road 1219 Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  CAS-BOT-BC105079  Achnatherum lemmonii subsp. lemmonii R. C. Wenk 2008-7-24 934 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  CAS-BOT-BC216928  Achnatherum occidentale Doris K. Kildale 1928-7-4 5512 Siskiyou Summit of divide between Saywers Bar and Etna Comment
  UC1265474  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 a Siskiyou Crapo Meadow near Tom Taylor Cabin (vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, High Lake Basin 2026 Comment
  UC618872  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UC1037095  Achnatherum occidentale subsp. occidentale Leo Whitney 1934-6-29 2193 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  UC618668  Achnatherum occidentale subsp. occidentale W. B. Cooke 1938-8-18 11471 Siskiyou Horse Camp Springs Mount Shasta Comment
  SEINET5327438  Acmispon nevadensis var. nevadensis G. Butler 1910-5-31 1441 Siskiyou dry banks near Yreka Comment
  UCD104269  Acmispon nevadensis var. nevadensis R. Tofsrud; J. M. Tucker 1948-8-2 1756 Siskiyou Outskirts of McCloud. Comment
  SBBG25947  Aconitum columbianum D. Myrick 1966-8-10 1516 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC375343  Aconitum columbianum Geo. D. Butler 1908-8-10 364 Siskiyou Shackleford Creek Comment
  UC618886  Aconitum columbianum W. Bridge Cooke 1938-7-29 11420 Siskiyou Wagon Camp Meadow and at Bear Springs Wagon Camp; Mt. Shasta, Wagon Camp Comment
  CAS-BOT-BC391514  Aconitum columbianum subsp. columbianum Alice Eastwood 1917-9-2 6640 Siskiyou Shasta Springs Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  HSC22296  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-23 1186 Siskiyou Along road near Horse Range Creek. 1341 Comment
  RSA238289  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1967-8-3 236 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA238290  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1967-8-17 28 Siskiyou Alder thicket along trail on SE side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC413842  Aconogonon davisiae R. E. Frenkel 1964-7-16 691 Siskiyou Near Mount Shasta, in the vicinity of Patton Meadows 2377 Comment
  CAS-BOT-BC418809  Aconogonon phytolaccifolium K. T. Stillman 1976-7-7 164 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CHSC91539  Aconogonon phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp CA and O'Brien, Oregon, at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  HSC101501  Aconogonon phytolaccifolium J. P. Smith, J. O. Sawyer 2011-7-21 13030 Siskiyou Flint Valley at the end of the G-O Road. 1313 Comment
  CAS-BOT-BC391705  Actaea rubra Doris K. Kildale 1928-8-18 6494 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  UC637108  Adenocaulon bicolor Annetta Carter 1934-4-13 697 Siskiyou 4 mi n, on Indian Creek Happy Camp; Klamath National Forest, Indian Creek Comment
  HSC68427  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1400 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UCD51466  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd., 1 mile east of Montague. Comment
  CAS-BOT-BC29457  Ageratina occidentalis Doris K. Kildale 1928-7-1 5326 Siskiyou Forks of Salmon RIver Comment
  OBI50442  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Siskiyou Mts. Mt. Diablo Mer. S8 T47 N R9 W. Dead Cow Crk 1981 Comment
  CAS-BOT-BC15481  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-11 10506 A Siskiyou Slopes above Medicine Lake, Shasta National Forest Comment
  CAS-BOT-BC15483  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10875 Siskiyou Medicine Lake Comment
  HSC76936  Agoseris aurantiaca K. T. Stillman 1976-8-7 210 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  UC922269  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5832 Siskiyou se, in meadow Paradise Lake; Marble Mountains 1920 Comment
  CHSC91257  Agoseris grandiflora Lowell Ahart; John Dittes 2005-6-10 12128 Siskiyou On the south side of a poor dirt road, about 100 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
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  SJSU11317  Agrostis capillaris S. H. Casey 1981-7-4 1210 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  HSC30613  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou Marble Mtn. Wilderness Area, along N shoreline of Hancock Lake 1936 Comment
  HSC69132  Agrostis exarata Maralyn A. Renner 1980-8-4 2232 Siskiyou Flint Valley 1390 Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC139566  Agrostis gigantea Geo. D. Butler 1910-7-17 1727 Siskiyou Oro Fino. Comment
  CAS-BOT-BC139574  Agrostis gigantea Wm. Bridge Cooke 1938-9-17 11693 Siskiyou Mount Shasta. Horse Camp. 2438 Comment
  RSA239094  Agrostis humilis Frederick W. Oettinger 1969-9-4 1656 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC22422  Agrostis pallens J. O. Sawyer 1969-8-1 1668 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  SEINET4343713 Image available Agrostis pallens Unknown 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2073 Comment
  SEINET7594104 Image available Agrostis pallens F. W. Oettinger 1968-1 637 Siskiyou southeast side of Abbott's Lake, Salmon Mountains 1722 Comment
  HSC30583  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 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-BC138478  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  CAS-BOT-BC267064  Alisma W. R. Ernst 1958-8-8 284 Siskiyou Grass Lake area, about 32 miles S of Oregon state line on Highway 97 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
  UCSB18160  Allium bolanderi 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 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-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain Comment
  CAS-BOT-BC469243  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  RSA47799  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11716 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  CAS-BOT-BC132147  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou Hills near Yreka 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
  HSC23661  Allium validum J. O. Sawyer 1969-8-5 1790 Siskiyou Along Sugar Creek. 1921 Comment
  UC164296  Allium validum Geo. D. Butler 1910-6-19 1577 Siskiyou Goosenest foothills 1524 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  RSA240085  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Between Chimney Rock and Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1418 Comment
  HSC30341  Alnus rhombifolia Dale R. Gradek 1974-5-25 52 Siskiyou On Rd. 8, 6 mi. from junction of Hwy. 3 and Rd. 8 1585 Comment
  HSC29274  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; along South of Charmaine lake 1921 Comment
  RSA760935  Alnus viridis subsp. sinuata R. F. Thorne, Frederick W. Oettinger 1969-8-4 63358 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SBBG25320  Alnus viridis subsp. sinuata S. L. Holloway 1963-6-2 72 Siskiyou 100 yards from Deep Crk and 0.25 mi N of Deep Lake, Marble Mtns Comment
  UCR143546  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  CAS-BOT-BC138103  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  CDA3624  Alyssum alyssoides Vernon H. Oswald & Lowell Ahart 1998-6-11 9178 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UC375334  Alyssum alyssoides Geo. D. Butler 1910-5-7 1304 Siskiyou Yreka Comment
  CAS-BOT-BC17200  Alyssum alyssoides Alice Eastwood 1923-5-23 11935 Siskiyou Cantara. S.P.R.R. Comment
  CAS-BOT-BC17201  Alyssum alyssoides L. E. Smith 1913-4-22 90 Siskiyou Yreka. Comment
  JEPS54304  Amaranthus blitoides Geo. D. Butler 1908-8-14 64 Siskiyou near Yreka Comment
  HSC65274  Amelanchier alnifolia Rich White 1978-7-20 260 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC69739  Amelanchier alnifolia Maralyn A. Renner 1980-6-26 1278 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC142876  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1917-9-2 6708 Siskiyou Shasta Springs Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  CAS-BOT-BC136909  Amelanchier utahensis Doris K. Kildale 1928-8-18 6412 Siskiyou North Fork Salmon River at Finley Camp Comment
  UC144390 Image available Amelanchier utahensis A. A. Heller 1905-6-5 7970 Siskiyou between Shasta Retreat and Shasta Springs; ; between Shasta Retreat & Shasta Springs, Siskiyou Co. Comment
  UC891433  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou at, foot of Mt. Eddy Wagon Creek; Mt. Eddy Comment
  CAS-BOT-BC391755  Anemone Peter H. Raven 1956-9-5 10459 Siskiyou North Fork of Sacramento River 2011 Comment
  CAS-BOT-BC391804  Anemone deltoidea Alice Eastwood; John Thomas Howell 1937-6-26 5035 Siskiyou Salmon Mts. 5 miles sw. of Etna Comment
  HSC69330  Anemone deltoidea John Palmer 1980-8-12 753 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS25621  Anemone deltoidea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7254 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC391854  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  UC199534  Anemone drummondii Annie M. Alexander and L. Kellogg 1911-8-14 320 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC391932  Anemone lyallii Philip A. Munz 1952-7-2 17891 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC61188  Anemone occidentalis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CHSC91352  Anemopsis californica Lowell Ahart; John Dittes 2005-6-9 12024 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 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
  SFV12177  Angelica arguta J. Major, M. D. Fleschner, R. H. Pemble 1966-9-5 Siskiyou Marble Mountains, east of Marble Mountain. On dry limestone ridge. 1716 Comment
  SFV8562  Angelica arguta 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
  UC630391  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  RSA261569  Angelica tomentosa var. tomentosa J. M. Tucker, L. Mann 1963-7-4 3697 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  SBBG7564  Antennaria argentea H. and M. Dearing 1939-6-19 3681 Siskiyou French Crk Comment
  UC221516  Antennaria argentea H. E. Brown Jun 1 1897-Jun 10 1897 297 Siskiyou near Sisson 1083 Comment
  UC725677  Antennaria argentea A. A. Heller 1919-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy. 1371 Comment
  UCR51803  Antennaria argentea L. C. Wheeler 1934-7-3 02852 Siskiyou Siskiyou Mtns., Head of Soda Creek, Sterling Mt. Mt. Diablo Meridian. 1768 Comment
  CAS-BOT-BC59242  Antennaria corymbosa Gilbert J. Muth 1969-8-6 1212 Siskiyou Boulder Peak 2529 Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  RSA167215  Antennaria howellii subsp. howellii Joseph P. Tracy 1950-7-20 19206 Siskiyou Along top of ridge 5 miles SE of Flint Valley and along the road to Prospect Hill Comment
  RSA211514  Antennaria media William J. Ferlatte 1967-8-20 1048 Siskiyou Caribou Basin, Sawtooth ridge, steep, north facing slope 2256 Comment
  CAS-BOT-BC79904  Antennaria microphylla Douglas Barbe 1955-8-1 327 Siskiyou Summit of Mt. Bolivar, Scott Mts. 2468 Comment
  CAS-BOT-BC84791  Antennaria racemosa Doris K. Kildale 1929-7-20 8588 Siskiyou Southeast spur of Preston Peak 1950 Comment
  CAS-BOT-BC84793  Antennaria racemosa John Thomas Howell 1939-8-2 14904 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC94800  Antennaria rosea R. C. Wenk 2005-6-17 171 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at S end of Big Flat Meadow 1517 Comment
  JEPS84314  Antennaria rosea L. R. Heckard with J. Hickman et al. 1986-7-17 6533 Siskiyou s end,(road end area & camp overlooking s end of Alex Hole- se of Condrey Mt.) Alex Hole; Condrey Mt., Alex Hole 1980 Comment
  UC75910  Antennaria rosea Milo S. Baker 1892-8-1 156 Siskiyou Medicine Lake Comment
  HSC21968  Antennaria rosea subsp. rosea J. O. Sawyer 1969-8-4 1843 Siskiyou Above Sugar Lake 2134 Comment
  POM43386  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou Fort Jones. Comment
  HSC2399  Apocynum androsaemifolium William J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC1282014  Apocynum androsaemifolium Louise Kellogg 1953-8-8 110 Siskiyou on rd. between Callahan and Trinity Center (n.w. slope Scott Mt.); Klamath Nat'l Forest, Scott Mts., Mule Creek 1402 Comment
  CAS-BOT-BC392018  Aquilegia Alice Eastwood 1922-10-18 11538 Siskiyou Shasta Springs Comment
  UCD77343  Aquilegia formosa Robert E. Preston 2001-6-23 1601 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  SBBG2098  Aquilegia formosa H. and M. Dearing 1939-7-2 3806 Siskiyou near Salmon 1524 Comment
  UC375262  Aquilegia formosa Geo. D. Butler 1908-7-12 1062 Siskiyou Humbug Mt. Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  SEINET5340149  Arabis divaricarpa D. Parker 1951-5-10 397 Siskiyou Kidder Creek, Scott Valley. 914 Comment
  RSA0125809  Arabis glabra Frederick W. Oettinger 1969-8-16 1405 Siskiyou Wire Grass meadow, English Lake basin (below it). Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM266023  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  RSA47642  Arabis holboellii var. pinetorum Roxana S. Ferris, Laura Lorraine 11762 Siskiyou East fork of Scott River one mile N of Callahan. Comment
  HSC6537  Arabis holboellii var. retrofracta R. C. Wunner 1965-6-29 288 Siskiyou California Lava Beds National Monument; S. Tichner Rd., 1.5 mi. S from Mammoth Crater 1555 Comment
  HSC90310  Arabis modesta D. L. Goforth 1980-4-23 468 Siskiyou Salmon River at Grant Bluff 290 Comment
  RSA0128992  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC67751  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-21 3888 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  RSA0129805  Arabis platysperma P. A. Munz 1960-8-22 24191 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  RSA0129717  Arabis platysperma var. howellii R. F. Thorne, Frederick W. Oettinger 1969-8-10 38991 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA59496  Arabis sparsiflora E. K. Balls 1950-5-15 14704 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  CAS-BOT-BC171031  Aralia californica Alice Eastwood 1923-7-1 1339 Siskiyou Cantara Comment
  UCD128227  Aralia californica J. P. Smith; Steve Selva 1970-6-14 3887 Siskiyou 1 miles east of Steinacher Creek Road on road to Forks of Salmon. Comment
  CAS-BOT-BC407723  Arceuthobium abietinum William Bridge Cooke 1939-6-30 13574 Siskiyou along the Sisson Southern Trail, Mount Shasta 1066 Comment
  SEINET2471273  Arceuthobium cyanocarpum R. L. Mathiasen 2008-9-16 2008 -29 Siskiyou 2 km N. of Park Creek Trailhead on forest road 17 2000 Comment
  SEINET3831773  Arceuthobium cyanocarpum R. L. Mathiasen 2012-1 1280 Siskiyou 2 km N of Park Creek Divide on FR. 17; On pinus monticola DOugl. ex D. Don 1990 Comment
  UCR51807  Arctium minus L. C. Wheeler 1934-9-17 03276 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 703 Comment
  CAS-BOT-BC45433  Arctostaphylos nevadensis Doris K. Kildale 1928-7-2 5335 Siskiyou Salmon Summit on Hom Creek Trail. 1981 Comment
  CAS-BOT-BC45436  Arctostaphylos nevadensis W. R. Dudley 1899-8-1 s.n. Siskiyou Side of Craggy Peak. Comment
  HSC68313  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1228 Siskiyou SE edge of Flint Valley. 1390 Comment
  SEINET11989670  Arctostaphylos nevadensis R. Raiche, Zadnik, K. 1982-1 20785 Siskiyou 11 mi WNW of Yreka at Deadwood Lookout 1707 Comment
  CAS-BOT-BC46510  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11825 Siskiyou 1 mi. below summit of Gazelle Mt. grade (w. side), Gazelle-Callahan Rd. 1219 Comment
  CAS-BOT-BC46515  Arctostaphylos patula G. B. Grant 1902-9-11 s.n. Siskiyou Sisson. Comment
  CAS-BOT-BC46516  Arctostaphylos patula Doris K. Kildale 1929-8-24 8837 Siskiyou Preston Peak. 2228 Comment
  UC1190132  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 944 Comment
  UCD53417  Arctostaphylos patula Robert E. Preston 2001-6-23 1564 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. at Hemlock Lake. 1889 Comment
  SDSU2844  Arctostaphylos viscida D. F. Howe 1961-8-3 3128 Siskiyou North of Klamouth River, 36 miles east of Happy Camp. 488 Comment
  CAS-BOT-BC47018  Arctostaphylos viscida subsp. viscida E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon. Comment
  RSA47638  Arctostaphylos viscida subsp. viscida Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11799 Siskiyou Scott Mountain Road south of Callahan. Comment
  SBBG5517  Arctostaphylos viscida subsp. viscida H. and M. Dearing 1939-6-3 3535 Siskiyou near Scott Bar 609 Comment
  HSC46238  Arnica cernua J. P. Smith 1973-5-5 6372 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC68395  Arnica cernua Maralyn A. Renner 1980-6-26 1245 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1299272  Arnica cernua Freed W. Hoffman 1950-7-13 3547 Siskiyou Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  UCD129117  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  HSC63258  Arnica cordifolia M. A. Baker 1979-7-31 1099 Siskiyou Johnson's Hunting Ground 2080 Comment
  RSA105404  Arnica cordifolia G. D. Barbe 1955-7-4 092 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  JEPS125847  Arnica dealbata Dean W. Taylor 1996-7-7 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  OBI55449  Arnica discoidea David J. Keil 1992-7-20 23507 Siskiyou Klamath Natl Foerst, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott River Rd 800 Comment
  HSC22159  Arnica latifolia J. O. Sawyer 1969-6-11 848 Siskiyou Above C.C.C. road. 1287 Comment
  HSC61824  Arnica latifolia Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC82690  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along the wall of Mud Creek Canyon 2286 Comment
  CAS-BOT-BC82757  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  UC1408813  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou in gorge below, (the high lake basins in vicinity of English Peak) Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  SEINET5712781  Arnica mollis J. M. Tucker 1974-1 4322 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 1463 Comment
  CAS-BOT-BC90058  Arnica nevadensis Ira L. Wiggins 1955-7-27 13562 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC90089  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, above the Shasta Fir forest 2514 Comment
  UCD70481  Artemisia R. Fernau 1997-6-26 2 Siskiyou Klamath Mountains: Marble Mountain Wilderness. Summit of mountain, mafic metavolcanic rocks, no trees. Taxa with highest cover values: Artemisia arbuscula?, Phlox, Festuca, and Phacelia. 2097 Comment
  CAS-BOT-BC85023  Artemisia arbuscula subsp. arbuscula Gilbert J. Muth 1969-8-6 1210 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC85025  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 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
  LA97822  Artemisia borealis subsp. borealis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3750 Siskiyou Marble Mountain Wilderness Area, SW ridge of Black Mountain (Black Marble Mountain) 2133 Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  HSC1955  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  UC166156  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Yreka Flat Comment
  JEPS82428  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side Black Mt.; Marble Mt. Wilderness Area, Black Mt. 2011 Comment
  CAS-BOT-BC447708  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-8 15137 Siskiyou Between Sky High Valley and Marble Valley, Marble Mts. Comment
  RSA151826  Aruncus sylvester Francia Chisaki, H. K. Sharsmith 1959-8-20 4742 Siskiyou Salmon River between Forks of Salmon and Somes Bar. 305 Comment
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Aug 18 2015
  RSA605352  Asarum caudatum L. C. Wheeler 1959-7-25 7603 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA238012  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes Comment
  SEINET3158762  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  UC164151  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  HSC3731  Asclepias fascicularis C. B. Wolf 1927-8-26 1056 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  POM130031  Asclepias fascicularis E. B. Copeland 1903-7-4 3558 Siskiyou Klamathon Comment
  JEPS80660  Asclepias speciosa W. B. and V. G. Cooke 1980-7-26 59013 Siskiyou Everitt Memorial Highway Mt. Shasta Comment
  UC164147  Asclepias speciosa Geo. D. Butler 1910-8-5 1813 Siskiyou near Yreka Comment
  HSC30617  Asclepias speciosa Frederick W. Oettinger 1969-8-12 1331 Siskiyou Salmon Mtns., 1 mi. from Etna Summit on Rd. toward Etna. Comment
  RSA240059  Asclepias speciosa Frederick W. Oettinger 1969-8-12 1331 Siskiyou 1 mile from Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 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-BC69556  Aspidotis densa Lewis S. Rose 1945-6-18 45126 Siskiyou Horse Creek & Klamath River. 502 Comment
  CAS-BOT-BC69555  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  RSA210867  Aster frondosus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39032 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  CAS-BOT-BC178802  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1739 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC178812  Astragalus californicus R. C. Barneby; H. D. Ripley 1948-7-5 9633 Siskiyou 2 miles SW of Yreka 853 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
  CAS-BOT-BC193068  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  RSA275306  Astragalus purshii var. tinctus Jennifer Whipple 1976-5-2 915 Siskiyou Scott Valley near Weston Gulch. Comment
  HSC81752  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6190 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC198712  Astragalus whitneyi var. siskiyouensis Mrs. H. C. Cantelow 1936-5-21 1307 Siskiyou N. slope Scott Mt. SW grade above Callahan Comment
  UC1299231  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1948-7-7 2413 Siskiyou Scott Mountain Road summit to Callaghan (Callahan?) (North Coast Ranges); , Scott Mountain Road, summit to Callaghan 1249 Comment
  SBBG25846  Asyneuma prenanthoides D. Myrick 1966-8-8 1495 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC185191  Athyrium distentifolium var. americanum Geo. D. Butler 1910-7-10 1738 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC68715  Athyrium filix-femina var. californicum Gordon H. True; John Thomas Howell 1972-6-8 48861 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS80575  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 Siskiyou Creek at Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  CAS-BOT-BC100054  Balsamorhiza lanata Richard R. Halse 1989-5-6 3818 Siskiyou Along Old Highway 99, 3.2 to 6.2 miles south of Gazelle, or 1.5 miles north of its junction with Old Stage Road 912 Comment
  CAS-BOT-BC16687  Barbarea orthoceras John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53416 Siskiyou Oro Fino. 853 Comment
  RSA211344  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  UCD77420  Barbarea orthoceras Robert E. Preston 2001-6-30 1642 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  SD73172  Bassia hyssopifolia Darley F. Howe 1969-8-31 Siskiyou 4.5 miles south of Dorris on highway 97. 1220 Comment
  RSA603839  Beckmannia syzigachne L. C. Wheeler 1935-6-27 3621 Siskiyou Greenview, Scott Valley 884 Comment
  HSC69417  Berberis nervosa John Palmer 1980-8-12 731 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC75938  Berberis piperiana W. R. Dudley 1901-8-26 s.n. Siskiyou Trail above Callahans. Comment
  SEINET3151154  Berberis repens G. B. Grant sn Siskiyou Dunsmuir Comment
  CAS-BOT-BC169486  Betula occidentalis L. B. Kildale 1930-6-1 9841 Siskiyou Mill Creek near Etna Mills 914 Comment
  HSC65505  Bistorta bistortoides Rich White 1978-7-3 222 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  HSC96829  Bistorta bistortoides S. Lyon, J. McIntire 2006-6-25 24 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  CHSC60597  Blepharipappus scaber L. P. Janeway 1984-6-22 871 Siskiyou About 1 mi north of Scott Summit on Rd 40N08. 1645 Comment
  UC1112866  Blepharipappus scaber Milo S. Baker 1957-6-16 3125 Siskiyou Scott Mt. 1615 Comment
  UC166059  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  CAS-BOT-BC127939  Blepharipappus scaber T. S. Brandegee 1887-6-1 s.n. Siskiyou Klamath River (Hornbrook) Comment
  JEPS82472  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  JEPS84108  Boechera divaricarpa L. R. Heckard with J. Hickman et al. 1986-7-17 6549 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  LA204400  Boechera howellii L. Ellison; 1928-9-11 509 Siskiyou Mt Shasta 2743 Comment
  CAS-BOT-BC14065  Boechera lyallii Gilbert J. Muth 1969-8-6 1228 Siskiyou Boulder Peak Ridge. 2468 Comment
  CHSC471  Boechera lyallii V. Holt 1943-8-8 Siskiyou Marble Mountains. 1828 Comment
  UCD77347  Boechera paupercula Robert E. Preston 2001-7-21 1730 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  UCD77351  Boechera platysperma Robert E. Preston 2001-6-23 1563 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC25430  Boechera retrofracta B. Bartholomew; B. Anderson 1988-5-12 4085 Siskiyou 4 km east of Hambone Butte between Hambone Butte and the north end of White Horse Mountains. 1140 Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  JEPS85501 Image available Boechera rollei Wayne E. Rolle 1983-8-4 831 Siskiyou divide between the Applegate and Klamath rivers (Red Butt-Kangaroo Mt.-Lilypad Lake-Towhead Lake region) 1645 Comment
  SEINET10627096 Image available Boechera rollei W. E. Rolle 1983-8-4 Rolle 831 Siskiyou Open places on sparsely forested slopes, peridotite rocks and soil derived and Klamath rivres, Red Butte-Kangaroo Mt.-Lilypad Lake- Towhead Lake region, T47N R12W, Sec. 13. 1646 Comment
  CAS-BOT-BC25874  Boechera subpinnatifida George Dexter Butler 1909-4-8 587 Siskiyou Humbug Mountain. Comment
  UC42357  Botrychium multifidum Marshall A. Howe 1894-7-30 Siskiyou Sisson Comment
  HSC60813  Boykinia major Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1220 Comment
  SEINET10904152  Boykinia major Mary Susan Taylor 1980-7-8 Taylor 3105 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  CAS-BOT-BC418420  Boykinia occidentalis Doris K. Kildale 1928-8-1 6188 Siskiyou 1/2 miles north of Brookings Comment
  CAS-BOT-BC127858  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC27803  Brickellia greenei Edward Lee Greene 1876-8-24 s.n. Siskiyou Scott Mountains Comment
  UC164282  Brodiaea elegans subsp. elegans Geo. D. Butler 1910-5-29 1421 Siskiyou meadow near Yreka Comment
  CAS-BOT-BC484385  Brodiaea elegans subsp. elegans D. E. Breedlove 1962-6-10 3313 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp, Siskiyou Mountains 365 Comment
  CAS-BOT-BC144103  Bromus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  UCD57883  Bromus carinatus Alton 1953-7-28 KNF 5 Siskiyou Siskiyou-Trinity Co. line. Klamath N. F. Long Gulch Camp. 1889 Comment
  JEPS69179  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffitt Creek Comment
  JEPS80609  Bromus carinatus var. carinatus Gilbert Muth 1966-7-22 434 Siskiyou meadow below Marble Rim (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2011 Comment
  UC1130981  Bromus carinatus var. carinatus H. S. Yates 1936-6-21 5832 Siskiyou 1 mi w of Signal Butte 1341 Comment
  UC1265357  Bromus carinatus var. carinatus F. W. Oettinger 1968-8-6 453 Siskiyou Salmon Mountains, Crapo Meadow, w Siskiyou County Crapo Meadow; Salmon Mountains, Crapo Meadow 2133 Comment
  CAS-BOT-BC148795  Bromus carinatus var. marginatus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mountain Hilt. Comment
  UCR37855  Bromus marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC1145165  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou 3 air mi nw from mouth of Salmon River (Prospect Hill); Prospect Hill 1097 Comment
  UCD59078  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  CAS-BOT-BC161409  Bromus tectorum William Bridge Cooke 1938-7-1 11159 Siskiyou Above Bear Spring near the Bear Spring-Wagon Camp Road. 1676 Comment
  HSC43112  Bromus tectorum Maralyn O'Meara 1974-5-25 365 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  NY664638  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188.7 Comment
  HSC31054  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  RSA239014  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou South east side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC520388  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  HSC27333  Calamagrostis koelerioides J. P. Smith, J. O. Sawyer, M. O'Mera 1972-7-3 5711 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC30640  Calamagrostis koelerioides Frederick W. Oettinger 1968-8-23 605 Siskiyou Marble Mountain Wilderness, below overlook of English Lake, on slope of English Peak, on trail to Tom Taylor Cabin 2073 Comment
  RSA238372  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1183 Siskiyou north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET10900602  Calamagrostis koelerioides A. Arthur Heller 1915-8-26 Heller 12243 Siskiyou Open gravelly places, north side of Mt. Eddy. Douglas fir and white fir are the principal trees, Ceanothus, Quercus vaccinifolia and manzanita common shrubs. Comment
  HSC65688  Calamagrostis stricta subsp. stricta Donald W. Miles 1979-7-23 23 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  SEINET8205872  Calliscirpus criniger J. W. Stacey 1940-6-6 15054 Siskiyou near springs along the shores of Castle Lake. 1676 Comment
  HSC19314  Callitropsis nootkatensis J. O. Sawyer 1968-9-10 675 Siskiyou Near top of Preston Peak 1524 Comment
  HSC31982  Callitropsis nootkatensis Steve Selva, Roger Jensen 1974-8-23 40 Siskiyou Devils Punchbowl Comment
  HSC36735  Calocedrus decurrens Brent Whitely 1975-6-21 13 Siskiyou 223 Comment
  NY18933  Calocedrus decurrens A. A. Heller 1915-8-26 12254 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
  CHSC41223  Calochortus coeruleus J. D. Jokerst 1983-7-6 1831 Siskiyou Ca. 200 meters east of the meadow at Tom Young Flat, ca. 100 meters north of USFS rd. 24. Ca 2 miles north of Pondosa and Hwy 89. Comment
  JEPS104938  Calochortus elegans Dean W. Taylor 1996-6-28 15752 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  UC163806  Calochortus elegans Geo. D. Butler 1910-6-5 1508 Siskiyou Shackleford Creek Comment
  UC705741  Calochortus elegans Marion Ownbey and D. H. Brown 1941-6-23 2429 Siskiyou mountains w Yreka (on ridge near Gunsight Peak) Comment
  CAS-BOT-BC483442  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near the California-Oregon border 1219 Comment
  CAS-BOT-BC493098  Calochortus nudus J. Aug. Kusche 1914-6-1 s.n. Siskiyou Mt. Shasta 1828 Comment
  RSA124163  Calochortus persistens Marion Ownbey, S. J. Preece Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka [8W?] Comment
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Jan 10 2020
  SEINET8214323  Calochortus persistens Frank T. Callahan 1972-7-15 Siskiyou Gunsight Peak, Mahogany Pt; west of Yreka, California. 1896 Comment
  JEPS80557  Calochortus tolmiei Gilbert Muth 1965-8-6 189 Siskiyou backside Black Mountain; Marble Mountain Wilderness Area 2072 Comment
  UC454387  Calochortus tolmiei I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1828 Comment
  CAS-BOT-BC132625  Calochortus uniflorus John Thomas Howell 1937-7-23 13366 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC29439  Caltha leptosepala Frederick W. Oettinger 1968-8-3 379 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Base Camp Meadow at mid-trail between Diamond and Hancock Lakes 2012 Comment
  UCR51762  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  JEPS96990  Calypso bulbosa Dean W. Taylor 1999-6-9 17231 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  HSC4431  Calyptridium umbellatum William J. Ferlatte 1966-6-22 77 Siskiyou Josephine Lake Basin 1677 Comment
  UC1045293  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou along the Pacific Highway near Black Butte; Pacific Highway 1219 Comment
  CAS-BOT-BC160904  Camissonia tanacetifolia subsp. tanacetifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10495 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  JEPS74475  Campanula prenanthoides W. J. Ferlatte 1966-8-3 267 Siskiyou between the campground and Carter's (along the South Fork of the Salmon River); Trinity Alps, South Fork of the Salmon River 1524 Comment
  POM89723  Campanula prenanthoides H. E. Brown 1897-7-15 527 Siskiyou South side Mt. Shasta. 1524 Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SEINET10463086  Campanula prenanthoides Kildale 1928-7-3 KILDALE 5442 Siskiyou Little North Fork of Salmon River near mouth Comment
  SEINET10463110  Campanula prenanthoides Kildale 1929-7-20 KILDALE 8650 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  SEINET10939014  Campanula prenanthoides Edward L. Greene 1876-7-21 Greene 958 Siskiyou Near Yreka Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  HSC44652  Campanula rotundifolia J. P. Smith, Steve Selva 1970-7-18 4494 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC70377  Campanula rotundifolia Milo S. Baker 1899-7-31 Siskiyou E slope of Mt Shasta, on Ash Creek Comment
  SEINET10463380  Campanula scabrella A. Arthur Heller 1920-7-9 Heller 13428 Siskiyou MT. EDDY, HIGH UP IN GRAVEL ON THE LONG BARE EASTERN SLOPE 2438 Comment
  SEINET10463382  Campanula scabrella Muth 1978-8-3 MUTH 7403 Siskiyou Near China Mountain, close to town of Callahan Tallus on W exposure 2604 Comment
  SEINET10463678  Campanula scouleri Brown 1897-6-11 Brown 398 Siskiyou N. SIDE MT. SHASTA 1524 Comment
  SEINET10463788  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou Castle Lake Trail Comment
  JEPS57208  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou canyon above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  SEINET10905984  Campanula wilkinsiana John G. Lemmon 1888-9-12 Lemmon s.n. Siskiyou Side of Mount Shasta Comment
  HSC60817  Cardamine californica Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SFV1447  Cardamine californica D. Parker 1949-5-8 222 Siskiyou Salmon Mountain Range along Kidder Creek. 915 Comment
  CAS-BOT-BC37796  Cardamine nuttallii George Dexter Butler 1909-3-22 566 Siskiyou Slyva. Oro Fino. Comment
  CAS-BOT-BC19767  Carex abrupta John Thomas Howell 1939-8-2 14934 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  SEINET6332594 Image available Carex abrupta Unknown 2008-1 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Condrey Mtn. 7.5' quad. Comment
  HSC39389  Carex amplifolia J. O. Sawyer 1969-6-11 828 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC17970  Carex angustata Elmer I. Applegate 1895-5-28 783 Siskiyou Sisson, Strawberry Valley. Comment
  SEINET10343551  Carex angustata Philip E. Hyatt 2002-8-6 11142 Siskiyou Ft. Goff Recreation Area along Klamath River Comment
  CAS-BOT-BC17893  Carex angustata William Conklin Cusick 1902-8-14 2991 Siskiyou Summit of the Cascades. Comment
  CAS-BOT-BC17962  Carex angustata William Bridge Cooke 1939-7-7 13618 Siskiyou Mount Shasta. In the Sedge Swamp at Wagon Camp. 1737 Comment
  JEPS63764  Carex athrostachya B. C. Goldsmith 1916-9-29 32 Siskiyou Lava ash-pumice, Medicine Lake. Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC40139  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt rd ca 1/2 mi n of West Branch USFS Sta. 670 Comment
  CHSC43991  Carex brainerdii L. P. Janeway 1983-7-3 371 Siskiyou Rocky ridgetop nw of Poker Flat. 1584 Comment
  SD71330  Carex breweri B. B. Chistman 1966-7-4 Siskiyou Mt. Shasta. 3657 Comment
  UC1265344  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou midway on trail between Diamond Lake and Hancock Lake (at Base Camp); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC642555  Carex echinata subsp. echinata J. W. Stacey 1939-7-7 13615 Siskiyou in the Wagon Camp Sedge Swamp Mount Shasta, Wagon Camp Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  CHSC107111  Carex fracta R. E. Brainerd 2009-7-22 1557 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTN Zone 10 478466E 4568630N. 1036 Comment
  HSC61113  Carex fracta Ruby Van Deventer 1955-7-31 Siskiyou FS 17N04, Mt. Bog near Doe Flat 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
  HSC48021  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road 1677 Comment
  HSC68516  Carex hassei Maralyn A. Renner 1980-6-26 1172 Siskiyou Flint Valley. 1390 Comment
  RSA0034288  Carex hassei Peter F. Zika, Barbara Wilson 2011-7-31 25668 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  UC1584274  Carex hoodii Julia Kierstead Nelson 1990-5-8 90 -60 Siskiyou Lower Falls McCloud River 975 Comment
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  JEPS25936  Carex inops subsp. inops B. C. Goldsmith 1916-6-22 2 Siskiyou SE of Mount Shasta, Pilgrim Creek, McCloud Flat. Comment
  CHSC107147  Carex integra R. E. Brainerd 2009-7-21 1533 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  CHSC95997  Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC29640  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, near Upper English Lake 1677 Comment
  CAS-BOT-BC7620  Carex interior John Thomas Howell 1937-7-23 13336 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC61817  Carex interior Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SEINET7566385 Image available Carex luzulina L. P. Janeway 2003-8-9 7956 Siskiyou Kangaroo Mtn 7.5' quad. Klamath Ranges, Siskiyou Mountains, west side of Echo Lake, between Cook and Green Pass and Red Butte. 1665 Comment
  SEINET10711162  Carex luzulina A. Arthur Heller 1920-7-6 Heller 13410 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy, in open places in the forest. The original growth of Yellow Pine has been replaced by White Fir, Douglas Fir and Incense Cedar. Shrubs are Willow, Corylus and Ceanothus. 1158 Comment
  UCD140536  Carex luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  SEINET7567128 Image available Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, White Pine Meadow, northwest of Pine Lake. 1882 Comment
  HSC39090  Carex microptera D. H. Norris May 1970 12261 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC37143  Carex multicaulis J. O. Sawyer 1968-6-25 312 Siskiyou Along Horse Range Creek 1829 Comment
  SEINET13390526  Carex multicaulis P. F. Zika 2012-5-18 25888 Siskiyou Klamath Range (KR), near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley 730 Comment
  CAS-BOT-BC32007  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou On dry gravelly slopes along Wagon creek in the Canadian zone. 2225 Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 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
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CHSC38992  Carex nebrascensis J. D. Jokerst 1983-7-5 1828 Siskiyou N end of Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  CHSC88399  Carex nebrascensis Jenny Marr 1993-7-1 158 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM82240  Carex nebrascensis Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  CAS-BOT-BC119676  Carex nervina R. Tallent 1987-8-13 914 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  UC618742  Carex nervina J. W. Stacey 1938-7-15 11255 Siskiyou Wagon Camp Mount Shasta Comment
  HSC96015  Carex nigricans Juha Pykala, D. H. Norris 1987-7-7 2357 Siskiyou Mt. Shasta, Everitt Memorial Highway, Panther Meadow 2287 Comment
  CAS-BOT-BC119475  Carex nudata Doris K. Kildale 1929-7-20 8552 Siskiyou Trail up Smith Fork of Indian Creek near Happy Camp. 487 Comment
  SEINET10711621  Carex nudata George D. Butler 1910-5-21 Butler 1377 Siskiyou Klamath River. Comment
  SEINET7569410 Image available Carex nudata David Castaner 1989-6-19 10239 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  JEPS74521  Carex pachycarpa W. J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1676 Comment
  SEINET4290612 Image available Carex phaeocephala Unknown 2009-1 9899 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. Mt. Shasta 7.5' quad. Comment
  UC144465  Carex praegracilis A. A. Heller 1905-6-20 8072 Siskiyou Gazelle Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
Read comments
Jan 18 2008
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC49934  Carex scabriuscula Gilbert Muth 1978-8-4 7589 Siskiyou Near Big Carmen Lake, close to the town of Callahan 1707 Comment
  HSC62622  Carex scabriuscula Al Hobart 1968-6-9 Siskiyou Youngs Valley Comment
  HSC76823  Carex scabriuscula L. P. Janeway 1982-8-13 125 Siskiyou 70 m N of Bear Lake at edge of seasonal channel 1814 Comment
  HSC76827  Carex scabriuscula L. P. Janeway 1982-8-14 137 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC82381  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4535 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1265467  Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou w Tom's Lake lower hole; Salmon Mountains, Marble Mountain Wilderness 1950 Comment
  HSC76665  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC117235  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC117015  Carex straminiformis John Thomas Howell 1951-6-28 27705 Siskiyou Eureka Peak 2255 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  HSC37418  Carex subfusca J. O. Sawyer 1969-7-11 1328 Siskiyou S Sugar Creek 1829 Comment
  UC1021829  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou ca. 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing); Mount Shasta, Cold Creek Comment
  CAS-BOT-BC115843  Carex subfusca Lewis Samuel Rose 1937-7-3 37393 A Siskiyou Unspecified. 944 Comment
  CAS-BOT-BC115165  Carex vesicaria James D. Jokerst 1983-7-5 1829 A Siskiyou Atkin's Meadow in a low lying area near the Lodgepole Pine Forest at the Meadow's NE corner. Comment
  RSA783708  Carex viridula subsp. viridula Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest: along road 41N03, 3.3 mi from road 2H001. 1705 Comment
  UCD77467  Carex whitneyi Robert E. Preston 1996-7-22 971 Siskiyou between Blanche Lake and Bullseye Lake 2072 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  UC1980222  Cassiope mertensiana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vincinity of English Peak. Comment
  CAS-BOT-BC59702  Cassiope mertensiana W. R. Dudley 1901-8-24 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  JEPS74435  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  SEINET7042828  Castilleja A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  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
  HSC19024  Castilleja applegatei J. O. Sawyer 1969-7-17 1129 Siskiyou S facing upper slope E of Waterdog Lake 2165 Comment
  CAS-BOT-BC241135  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  JEPS57395  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1968-7-2 1970 Siskiyou n side Mt. Shasta (at fork in Bolam road) 1463 Comment
  JEPS79758  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou sw flank Mt. Shasta (above Horse Camp); sw flank of Mt. Shasta 2560 Comment
  UC1190242  Castilleja arachnoidea Ira L. Wiggins 1955-7-27 13557 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC454801  Castilleja arachnoidea I. J. Condit 1911-7-22 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  UC705753  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-5 2180 Siskiyou e side Mt. Shasta (well below timber line) Comment
  UC725615  Castilleja arachnoidea A. A. Heller 1940-7-25 15770 Siskiyou about Horse Camp; Mt. Shasta 2438 Comment
  SEINET10549343  Castilleja arachnoidea F. Marion Ownbey 1938-7-20 Ownbey 1761 Siskiyou Open gravelly slopes, near dry lake lookout, summit of the siskiyou mtns. Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC673469  Castilleja lacera H. L. Mason 1931-5-9 5871 Siskiyou 3 mi w Weed Comment
  SEINET10931171  Castilleja martini Patricia L. Kenney 1973-6-4 Kenney 390 Siskiyou Collected near abrams lake mobile estates along old stage road. Yellow pine. Comment
  CAS-BOT-BC254012  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest foothills Comment
  HSC19255  Castilleja miniata J. O. Sawyer 1969-8-1 1651 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC254103  Castilleja miniata Francis W. Pennell 1940-7-17 26173 Siskiyou Open rocky diorite granite ridge, northeastern slope, Salmon Mountains, w. of Etna 2103 Comment
  CAS-BOT-BC254113  Castilleja miniata Mrs. H. C. Cantelow 1940-6-2 s.n. Siskiyou 9 mi. n.w. of Tennant, Buttle Cr. Meadow Comment
  HSC20547  Castilleja pilosa R. C. Wunner 1965-6-7 131 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  UC585167  Castilleja pruinosa E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1881 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  JEPS2939  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou w of Cold Spring Camp (trail); Woolly Creek; Cold Spring Camp, Woolly Creek, Siskiyou Co. Comment
  UC164276  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woody Creek Comment
  UCD123030  Castilleja schizotricha Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountain, Marble Mountains. 2133 Comment
  JEPS103784  Ceanothus cuneatus var. cuneatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near South Fork of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  CAS-BOT-BC50243  Ceanothus integerrimus J. Cromwell; A. Thoele; J. Schneider 1994-5-16 077 Siskiyou 5 mi. W of Seiad Valley on Hwy 96 390 Comment
  CAS-BOT-BC52113  Ceanothus prostratus Donald Myrick 1961-6-20 268 Siskiyou near Mt. Shasta City Comment
  RSA14414  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou [No location data on label] Comment
  RSA256581  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along Forest Service Road 47N03. 1524 Comment
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Feb 26 2013
  UC1185942  Ceanothus prostratus L. E. Detling 1950-6-9 6599 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  SEINET3110810  Ceanothus prostratus Steve Selva, Roger Jensen 1974-8-26 60 Siskiyou Along Road 8 to Sugar Creek trail; approx 4 miles from Hwy 3. Comment
  RSA238025  Ceanothus velutinus Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1228 Siskiyou Southeast of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC79914  Ceanothus velutinus T. S. Brandegee July 1889 2 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  JEPS42299  Ceanothus velutinus var. lorenzenii L. N. Lorenzen 1920-9-19 Siskiyou Sisson Comment
  CAS-BOT-BC284487  Centaurea solstitialis W. B. Cooke; V. G. Cooke 1962-8-19 33547 Siskiyou Mt. Shasta 1280 Comment
  CDA38734  Centaurea solstitialis Steve Orloff Sep 2011 SPK 471141 S1-D Siskiyou Collins Baldy, Mountains of the South Klamath River in the Klamath River area. 0 Comment
  UCD108105  Centaurea solstitialis Steve Orloff 2011-9-1 SPK 471141 S1-D Siskiyou Collins Baldy. Mountains of S. Klamath River in the Klamath River area. Comment
  UCD130114  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 b Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  HSC30469  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little N Fork Trail, Salmon Mountains 2012 Comment
  RSA240102  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little North Fork Trail. The Salmon Mountains; the high lake basins in the vicinity of English Peak; Marble Mountain Wilderness Area 2012 Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  UCD98001  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  CAS-BOT-BC388166  Cerastium fontanum Alice Eastwood 1921-7-24 10783 Siskiyou Castle Lake Comment
  HSC36689  Cercis occidentalis Brent Whiteley 1975-6-21 14 Siskiyou 223 Comment
  CAS-BOT-BC135447  Cercocarpus betuloides var. betuloides C. R. Quick 1950-6-21 50 -06 Siskiyou Along Beaver Creek Road, just N of Klamath River Comment
  CAS-BOT-BC148528  Cercocarpus ledifolius var. ledifolius Mrs. G Earle Kelly 1924-6-1 s.n. Siskiyou Eagle Ridge, Klamath Lake Comment
  CAS-BOT-BC276783  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-10 9468 Siskiyou Ruby Hill, Lava Beds National Monument Comment
  RSA233649  Chaenactis douglasii var. douglasii R. F. Thorne, Fred Oettinger 1969-8-10 38996 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC106044  Chaenactis suffrutescens Louis C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley 883 Comment
  CAS-BOT-BC141589  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA304923  Chamaebatiaria millefolium James R. Shevock 1972-7-25 2219 Siskiyou Lava Beds National Monument. 1220 Comment
  JEPS9111  Chamaesaracha nana Milo S. Baker 1893-8-1 Siskiyou Medicine Lake 2438 Comment
  RSA624995  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). Comment
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  CHSC93669  Chamaesyce serpyllifolia Lowell Ahart; John Dittes 2005-6-10 12111 Siskiyou North of the poor dirt road, about 40 yards north of the Shasta River, about 200 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
  UC229860  Chamaesyce serpyllifolia H. E. Brown Jul 15 1897-Jul 31 1897 541 Siskiyou s side Mount Shasta 1524 Comment
  UC375364  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 Siskiyou along creek near Yreka Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  HSC77087  Chamerion angustifolium subsp. circumvagum K. T. Stillman 1976-7-30 332 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC68206  Cheilanthes gracillima Mrs. H. C. Cantelow 1936-5-20 1379 Siskiyou Summit of Salmon Mt. 1818 Comment
  HSC377  Cheilanthes gracillima William J. Ferlatte 1967-6-30 601 Siskiyou Josephine Lake basin 1677 Comment
  SEINET3166359  Cheilanthes gracillima P. J. Alexander 2009-4-7 992 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  UC71530  Cheilanthes gracillima Harley P. Chandler June, 1901 1614 Siskiyou ridges and meadows near Marble Mt; North Coast Ranges 2133 Comment
  CAS-BOT-BC68205  Cheilanthes gracillima L. F. Henderson 1926-4-22 5940 Siskiyou Bluffs of the East Illinois R. near Beer's Bridge Comment
  CAS-BOT-BC68220  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk. Mt. Comment
  CDA30922  Chenopodium botrys M. Beyers, G. F. Hrusa 2010-8-18 699 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  CDA3040  Chenopodium botrys T. C. Fuller 1966-10-7 15247 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  HSC65136  Chenopodium fremontii J. P. Smith, Steve Selva 1970-7-17 4417 Siskiyou Along Klamath River. Comment
  RSA0110269  Chenopodium incognitum L. C. Wheeler 1935-7-26 3709 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC61813  Chimaphila menziesii Ruby Van Deventer 1958-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC452282  Chimaphila umbellata John Thomas Howell 1937-7-26 12559 Siskiyou Caribou Gulch Comment
  HSC19017  Chimaphila umbellata J. O. Sawyer 1969-7-23 1163 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC71078  Chimaphila umbellata M. A. Baker 1980-6-20 2201 Siskiyou Near Bald Mtn. 1036 Comment
  SBBG25825  Chimaphila umbellata D. Myrick 1966-8-10 1526 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC19323  Chimaphila umbellata J. O. Sawyer 1968-6-25 339 Siskiyou 1646 Comment
  UC849194  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird (Mount Shasta); , Pitt to Baird Comment
  SBBG1291  Chrysolepis sempervirens H. and M. Dearing 1948-9-12 6736 Siskiyou Mt Shasta Comment
  UC1409349  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou ne face English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  UC5454  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  UCD110136  Chrysolepis sempervirens A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Cr. SW of Castle Lake. Turn-off near Methodist. Comment
  OBI55492  Chrysolepis sempervirens David J. Keil 1992-7-21 23554 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 4.2 mi W of Scott Mtn road (hwy 3) Comment
  POM57971  Chrysothamnus nauseosus subsp. albicaulis E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2226 Comment
  HSC104251  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wilderness, along the Pacific Crest Trail, ~650 m SE of Paradise Lake 1950 Comment
  JEPS109395  Cinna latifolia Dean W. Taylor 2004-7-20 19196 Siskiyou Bear Spring, Mt. Shasta 1554 Comment
  RSA239060  Cinna latifolia Frederick W. Oettinger 1969-8-25 1546 Siskiyou Moist meadow west of Arrow Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC16252  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou Salmon Mtn. Range, Etna Creek 1177 Comment
  CHSC72227  Cirsium arvense Vernon H. Oswald; Lowell Ahart 1998-9-16 9633 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC277925  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  CAS-BOT-BC105781  Cirsium ciliolatum T. C. Fuller; D. M. Shaw 1977-8-30 20220 Siskiyou South side of Willow Creek road, west slope of Willow Creek Mtn., 21 km. northeast of Montague 1370 Comment
  CAS-BOT-BC278034  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km. east of Bryant-Willow Creek Road, 15 km. north of Montague Comment
  HSC81847  Cirsium cymosum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6089 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  OBI54107  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-24 23561 Siskiyou Klamath NF E fo Callahan. 2.1 mi N of Kangaroo Lake on Rail Crk rd Comment
  CAS-BOT-BC288006  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  POM127133  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 miles below Hornbrook Comment
  CDA21701  Cirsium ochrocentrum subsp. ochrocentrum T. C. Fuller 1979-10-3 20272 Siskiyou 1.6 km south of Tecnor, Red Rock Valley, southeast of Macdoel. 0 Comment
  CAS-BOT-BC288776  Cirsium remotifolium H. A. Thomas; J. H. Thomas 1954-7-25 4536 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  RSA0070871  Cirsium remotifolium Gilbert Muth 1969-8-12 1369 Siskiyou Second Valley. 2226 Comment
  CAS-BOT-BC228956  Cistanthe umbellata Doris K. Kildale; J. W. Gillespie 1929-6-22 8038 Siskiyou Base of Black Butte, Mt Shasta Comment
  UCR93350  Clarkia Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  JEPS107395  Clarkia lassenensis Lowell Ahart, John Dittes 2005-6-10 12099 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC163460  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 s.n. Siskiyou Near reservoir, Yreka Comment
  RSA12600  Clarkia rhomboidea Carl B. Wolf 1934-7-6 5986 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC164971  Clarkia rhomboidea A. A. Heller 1928-6-9 14599 Siskiyou Along the railroad embankment at Shasta Retreat 762 Comment
  CAS-BOT-BC164977  Clarkia rhomboidea Doris K. Kildale; J. W. Gillespie 1929-6-22 8027 Siskiyou Salt Creek, 36 miles south of Dunsmuir Comment
  CAS-BOT-BC164980  Clarkia rhomboidea Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -017 Siskiyou North side of Mt. Shasta, south of Hwy. 97, along Forest Service Rd. 42N84; ca. 4 miles N E of town of Weed. NE of railroad trestle 1249 Comment
  POM46297  Clarkia rhomboidea Geo. D. Butler 1900-5-30 1436 Siskiyou Near Hawkinsville Comment
  CAS-BOT-BC439108  Claytonia cordifolia K. T. Stillman 1976-6-25 72 B Siskiyou Marble Mountain Wilderness Area. 1798 Comment
  RSA184768  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA0080497  Claytonia lanceolata P. A. Munz 1952-7-2 17896 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  CAS-BOT-BC439631  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53434 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  HSC78390  Claytonia perfoliata subsp. intermontana L. P. Janeway 1983-9-11 655 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC443825  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  UC726455  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's Comment
  HSC22227  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 992 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC22230  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 958 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  HSC4885  Claytonia sibirica J. O. Sawyer 1968-6-18 243 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UCD100898  Claytonia sibirica J. M. Tucker 1974-7-28 4318 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CAS-BOT-BC443860  Claytonia sibirica Elmer I. Applegate 1923-9-7 3958 Siskiyou Canyon Creek, Doggett Ridge, near Klamath River Comment
  HSC4465  Claytonia sibirica William J. Ferlatte 1967-6-5 490 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  CAS-BOT-BC92767  Clematis ligusticifolia William Bridge Cooke 1940-6-20 15183 Siskiyou Above the Pacific Highway in the Klamath Gorge. 609 Comment
  UC375351  Cleome platycarpa Geo. D. Butler 1909-6-6 899 Siskiyou near Montague; Shasta Valley Comment
  UC857658  Cleome platycarpa L. E. Smith Jul 1912 Siskiyou Montague Comment
  HSC42882  Clinopodium douglasii J. O. Sawyer, Ken Stillman 1976-7-1 2787 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CHSC33848  Clintonia uniflora J. D. Prouty 1981-8-5 1284 Siskiyou Adjacent to Whiskey Creek and road 39N51.2. 1219 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  UC338808  Clintonia uniflora unknown 1444 Siskiyou near Shasta; California Comment
  HSC579  Clintonia uniflora William J. Ferlatte 1966-7-7 221 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC412801  Collinsia linearis Clarence R. Quick 1958-6-17 58 -20 Siskiyou Along telephone line near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA167238  Collinsia linearis Joseph P. Tracy 1951-6-16 19475 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
  UC1001180  Collinsia linearis Dorothy Parker 1953-5-24 537 Siskiyou Siskiyou Mountains, Scott River Scott River; Siskiyou Mountains, Scott River 687 Comment
  HSC77022  Collinsia parviflora K. T. Stillman 1976-6-25 55 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  SEINET13395184  Collinsia parviflora B. Byrne 1941-4-10 s.n. Siskiyou Sugar Creek. Comment
  UC169329  Collinsia parviflora Harley P. Chandler Jun 1901 1686 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  HSC29392  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Salmon Mts., Upper English Lake 1677 Comment
  JEPS24987  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou between Gazelle and Callahan (along roadcut) Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC72566  Collinsia rattanii J. P. Smith 1976-5-21 8761 Siskiyou Klamath National Forest, USFS Rd. 40N08 6.2 mi from its junction with Hwy. 3 1463 Comment
  SEINET3159394  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain 1219 Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  UC643298  Collinsia rattanii W. Bridge Cooke 1930-6-27 15196 Siskiyou near the old logging road up the n side of the mountain from Hotlum Station (Mount Shasta); Mount Shasta 1371 Comment
  SBBG30535  Collinsia torreyi var. latifolia D. Myrick 1968-6-25 2022 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA120819  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-17 206 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  HSC35790  Collinsia torreyi var. wrightii J. O. Sawyer 1969-7-11 1323 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  UCSB13154  Collomia grandiflora Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  POM65020  Collomia grandiflora Geo D. Butler 1910-5-19 1366 Siskiyou Yreka. Comment
  RSA120857A  Collomia grandiflora G. D. Barbe 1957-7-13 377 Siskiyou Big Flat Public Camp, Klamath National Forest. Comment
  SEINET2445655  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mile South of Etna on State Route 3.; 0 914 Comment
  UCSB24733  Collomia grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 8 miles north of Happy Camp; Siskiyou Mts. 487 Comment
  SEINET10496958  Collomia larsenii Mary Susan Taylor 1980-8-18 Taylor 3264 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  UCD77565  Collomia linearis Robert E. Preston 2001-6-30 1640 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 Comment
  CDA40003  Collomia tinctoria T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  RSA120685  Collomia tracyi S. Tillett 1956-7-9 636 Siskiyou E-facing slope of Scott Mountain, 8 miles SE of Callahan; Siskiyou-Trinity Co. line 2073 Comment
  UC902031  Collomia tracyi Joseph P. Tracy 1949-9-18 18558 Siskiyou on road between Cecilville and Sawyer's Bar; Blue Ridge 1584 Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  UC165248  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou near Yreka Comment
  UC163921  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  RSA237635  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Woods across meadow from base camp, Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 Comment
  HSC58885  Cordylanthus pilosus subsp. pilosus Marvin Butler 1971-8-11 310 Siskiyou Near Younga Valley 1403 Comment
  CHSC65840  Cordylanthus tenuis subsp. pallescens Maria Ulloa-Cruz 1994-8-2 42 Siskiyou Shasta-Trinity National Forests. Southeast of County Dump site. 1200 Comment
  HSC49947  Cordylanthus tenuis subsp. pallescens G. L. Clifton, Ground 1978-7-18 2390 Siskiyou Near Upton, close to the town of Mt. Shasta 1140 Comment
  CHSC31127  Cordylanthus tenuis subsp. tenuis T. Spira 1979-7-15 447 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. 1219 Comment
  CHSC105589  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16234 Siskiyou At sign at border of Shasta-Trinity National Forest on Highway 89 east of McCloud. 1356 Comment
  JEPS77479  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4973 Siskiyou sw Weed (s of Edgewood, road below Stewart Springs) 975 Comment
  JEPS86235  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1979-8-28 5160 Siskiyou 1 mi s of downtown Dunsmuir (below Hwy 5) 822 Comment
  RSA746515  Cordylanthus tenuis subsp. viscidus K. M. Meyer, A. Townesmith 2007-7-31 174 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  CAS-BOT-BC212273  Cornus glabrata Doris K. Kildale; J. W. Gillespie 1929-6-25 8357 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  CAS-BOT-BC212073  Cornus nuttallii John Thomas Howell 1937-7-26 13547 Siskiyou Caribou Gulch Comment
  POM301764  Cornus nuttallii Marion Ownbey, D. H. Brown, Findley Ownbey 1941-6-22 2426 Siskiyou Road between Craggy Moutain and Deadwood Lookout, northwest of Yreka. Comment
  UC618768  Cornus nuttallii W. Bridge Cooke 1938-6-17 11038 Siskiyou Sisson Southern Trail Mt. Shasta Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  HSC26907  Cornus sericea subsp. sericea J. P. Smith, J. O. Sawyer 1971-9-17 4789 Siskiyou Horse Range Creek drainage along road. Comment
  JEPS83889  Cornus sericea subsp. sericea Wayne Roderick August 1975 Siskiyou vicinity of Cook and Green Pass (w. of summit); Siskiyou Mts. 1463 Comment
  UC165420  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  HSC35062  Crataegus suksdorfii J. P. Smith 1974-5-25 7642 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA15690  Crataegus suksdorfii Carl B. Wolf 1927-8-26 1080 Siskiyou Klamath River. 4 miles below Hamburg Comment
  CAS-BOT-BC291530  Crepis intermedia I. J. Condit 1911-7-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC376542  Crepis monticola G. L. Stebbins, Jr.; E. B. Babcock 1936-6-13 1974 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1180 Comment
  POM33150  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou Near Yreka. Comment
  JEPS36460  Crepis occidentalis Geo. D. Butler 1909-5-8 754 Siskiyou Butcher Hill Comment
  CDA4448  Crepis occidentalis T. C. Fuller 1958-6-19 1824 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  CAS-BOT-BC290837  Crepis occidentalis subsp. pumila Alice Eastwood; John Thomas Howell 1936-6-13 2753 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC69040  Crepis pleurocarpa Maralyn A. Renner 1980-8-7 2359 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  POM10576  Crepis pleurocarpa E. B. Copeland 1903-9-6 3755 Siskiyou Mt. Eddy 1829 Comment
  SEINET5713170  Crepis pleurocarpa J. M. Tucker, L. K. Mann 1963-1 3762 Siskiyou Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2103 Comment
  CDA4484  Crocidium multicaule Vernon H. Oswald & Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  HSC19013  Cryptantha affinis J. O. Sawyer 1969-8-4 1878 Siskiyou S of S Sugar Lake 2104 Comment
  UC857144  Cryptantha intermedia Milo S. Baker 1936-6-12 8285 Siskiyou about 42 mi n Weed (Highway 97) Comment
  UC564180  Cryptantha subretusa Elmer I. Applegate 1935-6-10 9486 Siskiyou s side Caldwell Butte (s Siskiyou County); Lava Beds National Monument Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  HSC99674  Cryptogramma acrostichoides Al Hobart Jul 1964 Siskiyou FS Rd. 17N04, Doe Flat, Buck Lake 1535 Comment
  SEINET8671193 Image available Cryptogramma crispa subsp. acrostichoides M. W. Bridge Cooke 1937-1 9165 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC80535  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.W. side [Goose Nest] Goosenest Mt., about 1 mi. due S. of Old Smith Sawmill on Montague to Mt. Hebron Road 1676 Comment
  CAS-BOT-BC80536  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.E. side [Goose Nest] Goosenest Mt., about 1 mi. S. of [Goose Nest] Goosenest Rd. #1 leading off the Montague 1676 Comment
  CAS-BOT-BC80558  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  CAS-BOT-BC85604  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards NE of Quarry, Fall river Mills Quad. 1109 Comment
  RSA0008966  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6169 Siskiyou Above west fork Seiad Creek, 3/4 mile above forks of creek. Siskiyou Mountains [ridge between the west and east forks of Seiad Creek, south slope hillside] 1159 Comment
  SEINET8369569  Cupressus bakeri C. V. Matthews 1939-3-8 Siskiyou SE Siskiyou Co., Type locality. Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  CHSC71273  Cymopterus terebinthinus var. californicus Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 .1 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
  JEPS39348  Cynoglossum occidentale W. L. Jepson 1894-7 21075 Siskiyou Sisson Comment
  UC164134  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  CAS-BOT-BC190351  Cynosurus echinatus D. E. Breedlove 1962-6-10 3334 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad. 411 Comment
  UC1924324  Cyperus squarrosus P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19737 Siskiyou 3 mi SW of Scott Bar on Hwy 7F-01 towards Kelsey Creek, along ScottRver 526 Comment
  UC1755212  Cypripedium californicum Dean William Taylor 1972-7-3 1605 Siskiyou At Cook and Green Pass, in White Fir Forest 1371 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
  RSA382008  Cypripedium montanum Robert Kessler 1921-6-19 s.n. Siskiyou Siskiyou. Comment
  RSA237514  Cystopteris fragilis Frederick W. Oettinger 1969-7-13 1007 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC796587  Cystopteris fragilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11765 Siskiyou ca. 6 mi from Etna (on forks of Salmon Rd.) 1676 Comment
  CAS-BOT-BC192255  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  UCD60516  Danthonia californica R. Tofsrud 1948-8-3 s.n. Siskiyou Poker Flat, near Del Norte Co. border. Comment
  HSC19075  Danthonia unispicata J. O. Sawyer 1969-8-1 1635 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 Comment
  CHSC95121  Darlingtonia californica L. P. Janeway 2006-7-4 8780 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fe ... Field redacted by CHSC, contact the data manager for more information 1728 Comment
  HSC66361  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou 0.1 mi. SW of Big Carmen Lake, on S side of 40N08, 2.3 mi. NE of its junction with Hwy. 3 at Scott Mt. Summit. 1738 Comment
  HSC67643  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-17 4466 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA698849  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  HSC30498  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  HSC40239  Darmera peltata J. P. Smith 1976-5-5 8679 Siskiyou Rd. from Sawyers Bar to Somes Bar 488 Comment
  CAS-BOT-BC141831  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  CAS-BOT-BC141837  Dasiphora fruticosa Peter H. Raven 1956-9-4 10417 Siskiyou On the summit of Mt. Eddy 2758 Comment
  UC1190171  Datisca glomerata Ira L. Wiggins 1955-7-21 13426 Siskiyou 7 mi above Cecilville (near Mount View Ranch, on South Fork Salmon River); South Fork Salmon River 975 Comment
  HSC74082  Daucus carota J. P. Smith, J. O. Sawyer 1978-7-3 10010 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  POM99878  Delphinium glaucum Geo. D. Butler 1908-8-6 353 Siskiyou Whiskey Camp Independence Creek Comment
  CAS-BOT-BC9886  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9484 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  UC1409278  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou base of cliff se Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC118073  Delphinium nuttallianum William Bridge Cooke 1938-7-1 11156 Siskiyou Near Wagon Camp. Locally common at the lower end of the Wagon Camp meadow along the stream and roadside Comment
  CAS-BOT-BC94406  Delphinium nuttallianum R. C. Wenk 2005-7-15 208 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  HSC44503  Delphinium nuttallianum K. Irwin 1977-5-21 373 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  SD143485  Delphinium nuttallianum H. Dearing, M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt. Shasta 1829 Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  JEPS80518  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail along first bluff Marble Mt. Wilderness Area; , Marble Gap Trail 1828 Comment
  HSC68978  Deschampsia elongata Maralyn A. Renner 1980-7-24 2109 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 Comment
  RSA403571  Deschampsia elongata M. B. Dunkle 1945-7-24 9262 Siskiyou Klamath National Forest. Marble Mtns. Comment
  SEINET7063125  Descurainia incisa subsp. filipes A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Springs [Mayten] on the Mayten Road. UTM Zone 10, 549674mE, 4605677mN. (WGS84/NAD83). 224 Comment
  UC536688  Descurainia incisa subsp. filipes D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne Weed 1097 Comment
  UC375347  Descurainia pinnata subsp. halictorum Geo. D. Butler 1908-6-23 126 Siskiyou near Yreka Comment
  CAS-BOT-BC402549  Dicentra pauciflora Philip A. Munz 1952-7-2 17914 Siskiyou Rd. to Baldy Mt., ca. 6 air-line miles w. of Happy Camp, Siskiyou Mts. 1554 Comment
  UC164328  Dichelostemma capitatum Geo. D. Butler 1909-4-13 597 Siskiyou near Yreka Comment
  HSC22859  Dichelostemma multiflorum J. O. Sawyer 1969-6-12 910 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC500994  Dichelostemma multiflorum A. A. Heller 1919-6-27 13275 Siskiyou Mecalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET10533983  Dichelostemma multiflorum A. Arthur Heller 1919-6-27 Heller 13275 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, 3800 feet, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  JEPS24630  Dieteria canescens var. shastensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6786 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everett Memorial Highway, at sw base of mt.); Mt. Shasta 1219 Comment
  JEPS94395  Dieteria canescens var. shastensis Vernon Oswald and Lowell Ahart 1997-7-28 8778 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  UC618849  Dieteria canescens var. shastensis W. Bridge Cooke 1938-8-21 11536 Siskiyou Horse Camp Flats, Hudsonian Mount Shasta, Horse Camp Flats, Hudsonian <zone> Comment
  CDA15523  Digitalis purpurea G. F. Hrusa 1998-7-5 14691 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. at mile 5.x. Sheet 1 of 2 Comment
  CAS-BOT-BC209022  Digitaria sanguinalis Dorothy Parker 1949-8-21 73 Siskiyou YeCanahue(?) Gulch, Scott Valley 914 Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC153724  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  JEPS8800  Dipsacus fullonum W. L. Kleaver 1915-5-31 1 Siskiyou Yreka 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
  UC1483417  Dodecatheon hendersonii Maralyn A. Renner 1980-7-23 1838 Siskiyou near ridge about 1 mi e Cook and Green Pass (s1/4 of ne1/4 Pacific Crest Trail, Klamath National Forest); Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1752 Comment
  RSA238713  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC29258  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: At 'Base Camp Meadow' between Diamond and Hancock Lakes 201 Comment
  SEINET11973424  Dodecatheon jeffreyi H. P. Chandler 1901-1 1573 Siskiyou near Marble Mountain 1829 Comment
  CHSC71294  Downingia insignis Vernon H. Oswald; Lowell Ahart 1998-6-11 9217 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  RSA60640  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  HSC77005  Draba albertina K. T. Stillman 1976-6-25 84 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UC199219  Draba albertina Annie M. Alexander and L. Kellogg 1911-6-26 190 Siskiyou Jackson L. 1798 Comment
  JEPS1620  Draperia systyla W. L. Jepson 1894-8-9 20995 Siskiyou Shasta Springs Comment
  UC1094386  Draperia systyla Rimo C. Bacigalupi with Galen Smith 1957-6-26 5965 Siskiyou Ca. 4 miles SW of junction with the North Fork. Along road to Gumboot Lake, South Fork of the Sacramento River west of the town of Mount Shasta 1371 Comment
  UC1045245  Drosera rotundifolia W. Bridge Cooke 1940-7-5 15269 Siskiyou Wagon Camp Mount Shasta (sedge swamp) Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  CAS-BOT-BC159440  Drymocallis glandulosa var. glandulosa David D. Keck 1938-8-6 4809 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
  CAS-BOT-BC159438  Drymocallis glandulosa var. glandulosa Dorothy Parker 1950-6-15 455 Siskiyou Along Kidder Creek 914 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  CAS-BOT-BC159285  Drymocallis lactea var. lactea A. A. Heller 1922-7-14 13685 Siskiyou At the base of Little Huffman Mountain 2133 Comment
  UC609347  Drymocallis pseudorupestris var. saxicola Eleanor Burks Hart 1938-8-18 931 Siskiyou western slope of Boulder Peak 2529 Comment
  HSC26931  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4833 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC9662  Echinochloa crus-galli C. B. Wolf 1927-8-26 994 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UCD169261  Elaeagnus angustifolia T. Bruchman 1978-7-1 299 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  RSA577424  Eleocharis acicularis var. acicularis L. C. Wheeler 1935-7-23 3681 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  JEPS19411  Eleocharis bella Geo. D. Butler 1909-9-12 866 Siskiyou Oro Fino Comment
  HSC30717  Eleocharis bella Frederick W. Oettinger 1968-9-3 673 Siskiyou Marble Mtn. Wilderness Area, N side of Horse Range Lake 1822 Comment
  CHSC111070  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows. 1879 Comment
  JEPS19425  Eleocharis macrostachya B. C. Goldsmith 1916-9-9 26 Siskiyou Klamath Hot Springs Comment
  CHSC110084  Eleocharis rostellata R. E. Brainerd; B. L. Wilson 2010-8-10 1738 Siskiyou Forest Service Road 41N03; 1.5 air miles east-southeast of junction with Gazelle-Callahan Road; ca. 12 air miles west-southwest of Weed. 1591 Comment
  CAS-BOT-BC451557  Elodea canadensis Louis C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River, Siskiyou Mts. 518 Comment
  CAS-BOT-BC213782  Elymus X hansenii M. B. Dunkle 1945-7-22 9234 Siskiyou Big Elk Lake Basin, Klamath Forest 1828 Comment
  UC1037162  Elymus X hansenii Leo Whitney 1935-7-15 3472 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  CAS-BOT-BC227911  Elymus elymoides K. T. Stillman 1976-7-21 275 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC227917  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC227922  Elymus elymoides A. A. Heller 1905-6-19 8071 Siskiyou Grenada Station Comment
  POM205432  Elymus elymoides Copeland 1903-9-6 3786 Siskiyou Mt. Eddy 1829 Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  JEPS72943  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20011 Siskiyou n Mt. Shasta; Andesite Station 975 Comment
  HSC21979  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-9 1206 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC30695  Elymus elymoides var. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou The High Lake Basins, at junction of trials to English Peak and Uncle's Lake, Marble Mtn. wilderness area. 2165 Comment
  UC1265398  Elymus glaucus F. W. Oettinger 1969-9-3 1622 Siskiyou English Peak Salmon Mountains (s slope, w Siskiyou Co.) 2072 Comment
  UC158592  Elymus glaucus Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon; river bank Comment
  CAS-BOT-BC206609  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9105 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UCD61287  Elymus lanceolatus H. S. Yates 1936-6-21 5821 Siskiyou 1 mile SE of Gazelle. 792 Comment
  CAS-BOT-BC235221  Elymus multisetus Gilbert Muth 1966-7-17 410 Siskiyou Near Lookout, Marble Mts. 2057 Comment
  UC196945  Elymus multisetus Geo. D. Butler 1910-5-26 1424 Siskiyou Yreka Comment
  HSC75113  Elymus spicatus J. P. Smith, Thomas W. Nelson 1979-6-15 10123 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  JEPS107453  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  JEPS117470  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2010-7-30 16956 Siskiyou About 30 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA34679  Epilobium anagallidifolium W. Bridge Cooke, V. G. Cooke 1946-8-29 17615 Siskiyou Basin above Panther Creek Meadows Mount Shasta 2744 Comment
  POM230570  Epilobium brachycarpum J. T. Howell 1937-7-23 13359 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS43612  Epilobium brachycarpum Geo. D. Butler 1908-8-6 135 Siskiyou trail near Summit (se of Marble Mountain) 1828 Comment
  POM46472  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest Foothills 1220 Comment
  CAS-BOT-BC166836  Epilobium canum subsp. latifolium Doris K. Kildale 1925-9-7 1303 Siskiyou Mouth of Dillon Creek on Klamath River Comment
  JEPS43914  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-8-2 159 Siskiyou first meadow Shackelford Creek 1158 Comment
  UC422939  Epilobium ciliatum subsp. ciliatum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  POM171578  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1929-8-24 9047 Siskiyou Rattlesnake Meadow, Preston Peak 1677 Comment
  RSA237582  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-7-31 1114 Siskiyou Wet meadow, west of and above English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  CDA38108  Epilobium densiflorum J. R. Grisham 1961-8-15 s.n. Siskiyou Quartz Valley. 0 Comment
  CHSC96690  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig; Jennifer Kalt 1996-7-9 364 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  RSA120861  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  RSA237398  Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-8-3 1150 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
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  HSC19488  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-4 1798 Siskiyou Above Sugar Lake 2134 Comment
  UC618799  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp Mount Shasta (creek in upper meadow) Comment
  RSA0004442  Epilobium jucundum Edward L. Greene 1876-08 s.n. Siskiyou Scott Valley. Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  HSC49637  Epilobium minutum J. P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC94899  Epilobium siskiyouense R. C. Wenk 2008-7-24 933 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road, below top of ridge at SE end of lake 1965 Comment
  HSC34222  Equisetum arvense J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC57205  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou Banks of China Creek 1097 Comment
  CAS-BOT-BC57808  Equisetum laevigatum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  UC637177  Equisetum telmateia subsp. braunii Edward Lee 1934-8-11 1036 Siskiyou e end Seiad Valley (Walker Creek - a tributary of the Klamath River) 609 Comment
  CDA2080  Eragrostis curvula William J. Ferlatte 1989-11-8 Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 miles north of Grenada. 0 Comment
  CAS-BOT-BC204629  Eragrostis mexicana subsp. virescens Dorothy Parker 1949-7-24 84 Siskiyou McConahue Gulch, Scott Valley 914 Comment
  CAS-BOT-BC168333  Eremogone congesta var. congesta Harley P. Chandler 1901-6-1 1674 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC168847  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC174228  Eremogone congesta var. congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek 1219 Comment
  UC166600  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  UC501626  Ericameria bloomeri Frank W. Peirson 1923-7-19 3890 Siskiyou w base Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  CAS-BOT-BC287496  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Klamath Forest 1828 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC299463  Ericameria nauseosa var. speciosa John Thomas Howell 1939-8-6 15105 Siskiyou Elk Mt., Marble Mts. Comment
  HSC34657  Ericameria nauseosa var. speciosa Thomas W. Nelson, J. O. Sawyer 1974-10-29 1741 Siskiyou Hwy. 3, just S of Calaghan Comment
  SEINET516140  Ericameria nauseosa var. speciosa Vernon H. Oswald 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC165409  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  UC726586  Ericameria parryi var. latior A. A. Heller 1927-8-1 Siskiyou Sisson Comment
  SBBG30614  Erigeron D. Myrick 1968-6-27 2039 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UC1360438  Erigeron aliceae J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3748 Siskiyou ca. 0.5 mi ne of the Marble Valley Guard Station; Marble Mountain Wilderness Area, Upper Canyon Creek 1920 Comment
  UC895582  Erigeron aliceae John Thomas Howell 14879 Siskiyou Marble Mts., Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC293519  Erigeron annuus L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  JEPS82247  Erigeron bloomeri Roger Raiche 1983-8-14 30612 Siskiyou near summit of road to Mt. Eddy ((A.K.A. road to dead fall Meadow, park Creek Road, or Forest Road 42N17)) 2133 Comment
  CAS-BOT-BC294498  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on road 40N08 1645 Comment
  HSC61209  Erigeron cervinus Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  CHSC71281  Erigeron chrysopsidis var. austiniae Vernon H. Oswald; Lowell Ahart 1998-6-11 9214 Siskiyou Klamath NF boundary on Old State Hwy. 1.5 mi south of the RR crossing south of Mount Hebron. 1295 Comment
  HSC41811  Erigeron compositus Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UC127714  Erigeron compositus Harley P. Chandler 1901-6-1 1672 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC297185  Erigeron concinnus var. concinnus Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  CHSC71282  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 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
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  HSC5518  Erigeron filifolius R. C. Wunner 1965-6-20 230 Siskiyou Lava Beds National Monument near Thunderbolt Cave entrance 1463 Comment
  OBI53730  Erigeron foliosus var. foliosus David J. Keil, Kathleen Keil 1992-7-19 23467 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  HSC2404  Erigeron glacialis var. glacialis William J. Ferlatte 1966-8-17 400 Siskiyou Caribou Basin 1982 Comment
  HSC25661  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1823 Siskiyou Above Sugar Lake 2134 Comment
  HSC69180  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-6 2339 Siskiyou Cracker Meadow 1555 Comment
  OBI55472  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  SEINET8667555 Image available Erigeron inornatus G. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1067 Comment
  JEPS94098  Erigeron inornatus var. inornatus Vernon H. Oswald and Lowell Ahart 1998-9-8 9609 Siskiyou ca. 2 air mi. n.w. Indian Spring Mt. (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 6 air mi. w. of Mosquito Lake & Whitehorse Flat Reservoir) 1127 Comment
  SEINET5708484 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS84203  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  POM211805  Erigeron klamathensis L. C. Wheeler 1934-8-6 3055 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  CAS-BOT-BC295366  Erigeron petrophilus R. C. Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta 2029 Comment
  POM211820  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  POM35918  Erigeron petrophilus var. viscidulus Geo. D. Butler 1910-7-9 1786 Siskiyou Shackleford Creek 1372 Comment
  HSC44483  Erigeron philadelphicus K. Irwin 1977-5-22 396 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  SEINET5708528 Image available Erigeron philadelphicus var. philadelphicus J. M. Tucker, L. K. Mann 1963-1 3689 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) SW of Etna.; Etna Comment
  SJSU6485  Erigeron pumilus var. intermedius R. W. Trivelpiece 1972-6-9 99 Siskiyou about 4 miles east of Grass Lake 1524 Comment
  HSC92398  Erigeron tener Jennifer Whipple 1977-8-5 2193 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS57187  Eriogonum alpinum L. R. Heckard 1967-8-13 1687 Siskiyou Mt. Eddy; near summit 2712 Comment
  JEPS57057  Eriogonum compositum var. compositum W. L. Jepson 1937-7-30 18545 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek Comment
  UC1211909  Eriogonum compositum var. compositum Roy L. Taylor 1960-6-12 4440 Siskiyou 1 mi w jtn. of Hwy 96 (Klamath River Rd.) and Hwy. 99 n of Yreka (hillsides above the Klamath River); Klamath River Comment
  CAS-BOT-BC242528  Eriogonum congdonii R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 173 Siskiyou Near Red Rock Mtn., Trinity Alps 2186 Comment
  HSC49951  Eriogonum congdonii G. L. Clifton, Ground 1978-7-2 1800 Siskiyou Near Scott Mtn. Summit 1705 Comment
  HSC30225  Eriogonum diclinum William J. Ferlatte 1971-9-18 1378 Siskiyou Caribou Basin 2104 Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  UC725958  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou 7 mi s Yreka Comment
  LA206928  Eriogonum latifolium Marcus E. Jones; 1931-8-2 28860 Siskiyou Klamath Comment
  CHSC98891  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-29 9143 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  HSC43463  Eriogonum marifolium Jennifer Whipple 1976-6-25 1582 Siskiyou N slopes of Mt. Eddy 2561 Comment
  POM165282  Eriogonum marifolium E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2348 Comment
  CAS-BOT-BC263190  Eriogonum marifolium var. cupulatum A. A. Heller 1922-7-15 13694 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC261618  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  SD22389  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  CAS-BOT-BC272471  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou South bank of the Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  CAS-BOT-BC272480  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1783 Comment
  JEPS40861  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  RSA749252  Eriogonum nudum var. pubiflorum K. M. Meyer, A. Townesmith 2007-8-4 189 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  CAS-BOT-BC272477  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-8-4 10024 Siskiyou Near Mammoth Crater, Medicine Lake road, Lava Beds National Monument Comment
  SBBG21294  Eriogonum pyrolifolium D. Myrick 1964-7-25 959 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  SDSU6761  Eriogonum pyrolifolium D. F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  CAS-BOT-BC252962  Eriogonum pyrolifolium var. pyrolifolium R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  RSA142605  Eriogonum pyrolifolium var. pyrolifolium P. A. Munz 1960-8-22 24195 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  HSC17400  Eriogonum roseum C. B. Wolf 1927-8-26 1082 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC267706  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  NY323542  Eriogonum siskiyouense E. L. Greene 1876-8-1 1002 Siskiyou On Scott Mountain 2438.4 Comment
  RSA120778  Eriogonum siskiyouense G. D. Barbe 1955-7-28 316 Siskiyou NW of Scott Mountain 1738 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
  UC1540132  Eriogonum spergulinum var. reddingianum Dean W. Taylor 1987-6-26 9076 Siskiyou 2 mi se Medicine Lake; Paynes Spring 1996 Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  UC1735886  Eriogonum strictum var. anserinum Dean W. Taylor 1987-8-7 9255 Siskiyou Caldwell Butte, Lava Beds National Monument 1499 Comment
  CAS-BOT-BC263392  Eriogonum strictum var. proliferum L. E. Smith 1915-6-1 s.n. Siskiyou Yreka Comment
  RSA0081457  Eriogonum ternatum L. R. Heckard, S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 Siskiyou Ca. 7 miles NNE of Seiad Valley, SW of Cook and Green Pass, ca. 0.5 mile SE of red Butte. 1730 Comment
  RSA423129  Eriogonum ternatum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC267928  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Creek 914 Comment
  CAS-BOT-BC267984  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC267994  Eriogonum umbellatum var. argus A. A. Heller 1940-7-24 15762 Siskiyou Shore of Castle Lake Comment
  JEPS40862  Eriogonum umbellatum var. dumosum Paul C. Hutchison 1962-8-3 944 Siskiyou just east, between Grasshopper Flat and Little Medicine Lake Paint Pot Crater 1783 Comment
  JEPS56187  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  CAS-BOT-BC268145  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1938-8-24 11581 Siskiyou Mount Shasta. Near Bolam Creek 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
  JEPS100253  Eriogonum umbellatum var. lautum Dean W. Taylor 2003-8-13 18683 Siskiyou ca. 1 mi S of Greenview, along Kidder Creek Road 0.5 mi W from the junction with Hwy 3, Scott Valley; Trinity Alps 987 Comment
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May 3 2007
  SEINET10919210 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 Reveal 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 miles west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna, on gravelly soil in open grasslands. T.43N, R9W, sec. 30 NE1/4 of the NE1/4. 869 Comment
  JEPS94877  Eriogonum umbellatum var. modocense Vernon H. Oswald and Lowell Ahart 1998-7-21 9320 Siskiyou ne of Weed (Highway 97 at the 11.0 Mile Marker, 1.2 mi w of A12); Highway 97 at the 11.0 Mile Marker 1188 Comment
  UC83633  Eriogonum umbellatum var. modocense Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC265200  Eriogonum umbellatum var. nevadense Alice Eastwood 1921-7-29 10969 Siskiyou Medicine Lake Comment
  SEINET4178779 Image available Eriogonum umbellatum var. polyanthum Unknown 1894-8-24 0 .336805556 Siskiyou Upper Sacramento Comment
  CAS-BOT-BC262378  Eriogonum vimineum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC55398  Eriogonum vimineum Harley P. Chandler 1732 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  CAS-BOT-BC443953  Eriophorum crinigerum Dana York 2012-7-20 3122 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  CAS-BOT-BC301116  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-24 10758 Siskiyou Castle Lake Comment
  UC1035411  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou 3.5 mi s of Grass Lake (Deer Mountain Service Station) Comment
  CAS-BOT-BC301106  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou W. base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC301136  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  RSA48585  Eriophyllum lanatum var. achilleoides P. A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle. Comment
  CAS-BOT-BC301710  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  HSC19424  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1968-7-23 610 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  LA86564  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and southwest ridge of Black Mountain 2103 Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  SEINET8687384 Image available Eriophyllum lanatum var. lanceolatum G. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC54583  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-7 5286 Siskiyou Sanger Peak, ca. 13 miles south Takilma, Oregon and just near California border. 1780 Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  CAS-BOT-BC54581  Erysimum capitatum L. B. Kildale 1930-6-1 9700 Siskiyou Salmon River at Crapo Creek. Comment
  HSC81578  Erysimum capitatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6091 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  RSA183656  Erysimum capitatum var. perenne Gilbert Muth 1965-8-6 182 Siskiyou Marble Mountains; backside of Black Mountain Comment
  HSC195  Erysimum perenne William J. Ferlatte 1966-7-7 214 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) Comment
  SEINET8390058  Erythranthe linearifolia Christine C. Lorain 1994-8-14 2267 Siskiyou on trail along Deadfall Creek near Lower Deadfall Lake at eastern base of Mt. Eddy; Shasta National Forest. 2134 Comment
  SEINET14374345  Erythranthe primuloides G. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek. 1219 Comment
  CHSC71505  Erythranthe pulsiferae Vernon H. Oswald; Lowell Ahart 1998-7-21 9361 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  CAS-BOT-BC133263  Erythronium J. H. Thomas 1954-5-13 4139 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  POM109651  Erythronium citrinum var. citrinum Geo D. Butler 1910-4-24 1239 Siskiyou Quartz Valley Comment
  RSA28196  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  CAS-BOT-BC133300  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC94805  Eucephalus ledophyllus var. ledophyllus R. C. Wenk 2006-9-2 550 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  HSC61117  Euchiton gymnocephalus Ruby Van Deventer Siskiyou F.S. Rd. 17N04; Doe Flat Comment
  UC796613  Euphorbia crenulata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11849 Siskiyou 1.5 mi e (below) Gazelle Mountain grade summit 1417 Comment
  CDA4819  Euphorbia virgata T. C. Fuller 1969-7-1 18619 Siskiyou Above reservoir, southeast of Flying K Ranch, quartz Valley, south of Mugginsville. 0 Comment
  SEINET5708047 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  UC166590  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  SEINET957942  Fabaceae G. D. Butler 1910-1 1441 Siskiyou Dry banks near Guka. Comment
  UCD98900  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  CAS-BOT-BC278736  Festuca idahoensis Elmer I. Applegate 1935-6-10 9464 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC102709  Festuca idahoensis J. P. Smith 2013-6-17 13742 Siskiyou Tennat-Bray. 1485 Comment
  HSC42966  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-5-29 2752 Siskiyou Along Specimen Creek. 884 Comment
  HSC68574  Festuca idahoensis Maralyn A. Renner 1980-6-23 977 Siskiyou W Fork Seiad Creek 878 Comment
  CAS-BOT-BC278882  Festuca occidentalis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  HSC22164  Festuca occidentalis J. O. Sawyer 1968-9-28 745 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UCD66131  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3614 Siskiyou 5 miles NE of Happy Camp above Klamath River. Comment
  UCD66154  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CHSC61574  Festuca pratensis L. P. Janeway 1983-8-26 602 Siskiyou Siskiyou Mountains; at Poker Flat, front edge of upper part of the meadow. 1524 Comment
  UC197110  Festuca pratensis Geo. D. Butler 1908-7-1 473 Siskiyou near Yreka Comment
  UC593536  Festuca roemeri E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1894 Siskiyou 2 mi s Yreka 822 Comment
  SEINET239826 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-22 8170 Siskiyou app. 6 mi west of the town of Weed; 2.5 mi southwest of the Gazelle Rd on the Stewart Springs Road (Forest Service Rd 17.) Comment
  HSC73338  Fragaria vesca Gail Newton 1980-6-20 465 Siskiyou Near Bald Mtn. 1097 Comment
  HSC69376  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-19 3680 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC19435C  Frangula californica J. O. Sawyer 1969-8-1 1660 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC59981  Frangula purshiana C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek. Comment
  CAS-BOT-BC59983  Frangula purshiana G. B. Grant 2000-1-1 s.n. Siskiyou unspecified. Comment
  CAS-BOT-BC59985  Frangula purshiana Lewis S. Rose 1945-6-22 45175 Siskiyou Beaver Creek & Klamath River. 548 Comment
  HSC100318  Frangula purshiana subsp. annonifolia J. P. Smith, J. O. Sawyer 2011-7-21 13032 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  HSC36746  Fraxinus latifolia Brent Whitely 1975-6-22 25 Siskiyou 220 Comment
  POM211258  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC130175  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  UC429285  Fritillaria atropurpurea Annie M. Alexander and L. Kellogg 1911-6-17 151 Siskiyou Jackson Lake Comment
  CAS-BOT-BC502841  Fritillaria atropurpurea Elmer I. Applegate 1895-5-29 714 Siskiyou West base of Mount Shasta, near Sisson Comment
  CAS-BOT-BC502847  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta below Wagon Camp 1706 Comment
  UCSB15824  Fritillaria micrantha Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0,miles east of McCloud; Cascade Mountains 1127 Comment
  HSC36945  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC673166  Fritillaria recurva Lincoln Constance, Reed C. Rollins 1942-5-14 2925 Siskiyou 4 mi w of Yreka (Road to Walker Post Office); Klamath-Siskiyou Region 1219 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
  HSC403  Galium bifolium William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail 1982 Comment
  HSC58971  Galium bifolium Gilbert Muth 1975-7-30 4034 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  HSC60824  Galium bifolium Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CHSC71603  Galium bolanderi Vernon Oswald; Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  HSC43063  Galium bolanderi Ken Stillman 1976-8-31 452 Siskiyou E and N sides of Williams Point 366 Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  HSC28215  Galium bolanderi Carl W. Mize 1972-6-8 25 Siskiyou 351 Comment
  RSA756845  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 miles west of Mt. Shasta City Comment
  HSC25488  Galium glabrescens subsp. glabrescens J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5716 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  CAS-BOT-BC182266  Garrya fremontii Carl B. Wolf 1927-8-27 1136 Siskiyou On the Klamath River, at mouth of Crawford Creek Comment
  CAS-BOT-BC182274  Garrya fremontii L. E. Smith 1913-5-28 310 Siskiyou Yreka Comment
  SD219046  Garrya fremontii R. F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC1409479  Garrya fremontii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1199 Siskiyou near Willow Springs (between Abbotts Upper Cabin and English Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD117428  Gaultheria humifusa Dean William Taylor 1972-7-3 1613 Siskiyou Near Little Duck Lake. 1981 Comment
  UCSB13371  Gaultheria shallon Muller, Katherine 1954-6-23 Siskiyou Siskiyou Mt., 1 mi. below Hazel View Summit, 3 mi. NE of Idlewild 742 Comment
  RSA785409  Gaultheria shallon Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  JEPS47719  Gayophytum diffusum subsp. parviflorum W. B. and V. G. Cooke 1966-7-16 37212 Siskiyou above Hotlum Station (along old dirt road); Mt. Shasta 1676 Comment
  UC1409238  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co. high lake basins in vicinity of English Peak) 1889 Comment
  RSA237863  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1890 Comment
  CHSC26180  Gayophytum heterozygum J. P. Kroessig 1977-8-5 51 Siskiyou At McBride Springs Campground, ca 4.5 km n of Mt Shasta City, at base of Mt Shasta. 1460 Comment
  JEPS27525  Gayophytum heterozygum W. L. Jepson 1914-8-9 5744 Siskiyou McCloud 1036 Comment
  UC873670  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  SEINET12193190  Gayophytum humile C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2134 Comment
  JEPS27500  Gayophytum ramosissimum W. L. Jepson 1940-6-23 19998 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  JEPS83574  Gentiana calycosa Dean Wm. Taylor, Glenn L. Clifton 1987-8-5 9228 Siskiyou Forest Road 36N06 at crossing of Tate Creek, headwaters of McCloud River drainage Tate Creek; , Forest Road 36N06 1484 Comment
  SEINET201845  Gentianella acuta Unknown 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County Line. 1585 Comment
  CDA33310  Gentianella amarella F. D. Horn 1979-8-15 Siskiyou South of Carmen Lakes area, west of Scott Mountain, southeast of Callahan. 0 Comment
  HSC77110  Geranium richardsonii K. T. Stillman 1976-7-31 356 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off, SE of Kings Castle Comment
  UC172723  Geum aleppicum Katharine Brandegee 1887-7-1 Siskiyou Sisson Comment
  CAS-BOT-BC459619  Geum macrophyllum Wm. Bridge Cooke 1938-6-24 11081 Siskiyou MacBride Springs Comment
  RSA96729  Gilia capitata Lee W. Lenz 1953-5-17 18312 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  JEPS69526  Gilia capitata subsp. capitata W. L. Jepson 1907-7-5 2832 Siskiyou Marble Mt. Marble Mt. (w Siskiyou Co.) 2133 Comment
  JEPS82471  Gilia capitata subsp. capitata Gilbert Muth 1966-7-8 371 Siskiyou Marble Valley Meadow , Marble Valley Meadow (Marble Mt. Wilderness Area) 1792 Comment
  UC52694  Gilia clivorum F. W. Hooper Siskiyou Little Shasta Comment
  HSC22306  Glyceria elata J. O. Sawyer 1969-8-4 1792 Siskiyou Along C.C.C. road 1341 Comment
  HSC22312  Glyceria elata J. O. Sawyer 1969-7-11 862 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC69396  Glyceria elata Maralyn A. Renner 1980-8-8 2452 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC69440  Glyceria elata John S. Palmer 1980-8-13 791 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UCD85119  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC302678  Gnaphalium palustre Louis C. Wheeler 1934-6-10 2676 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  UC74051  Gnaphalium palustre T. H. Gilbert June 15 1899 - July 15 1899 Siskiyou Scott River Valley Comment
  CDA6026  Gnaphalium palustre T. C. Fuller 1962-8-3 9511 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  JEPS24787  Goodyera oblongifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6795 Siskiyou 6.2 mi above and sw of junction with road to Gumboot Lake (along road to Castle Lake, in drainage of Scott Camp Creek) 1432 Comment
  UC4514  Goodyera oblongifolia unknown 1862-9-16 1404 Siskiyou Mount Shasta 1219 Comment
  UCR142985  Gratiola ebracteata L. C. Wheeler 1935-6-13 3570 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  RSA59842  Grayia spinosa E. K. Balls 1950-5-17 14726 Siskiyou SW corner of Tule Lake, (State Game Refuge). 1265 Comment
  CAS-BOT-BC304882  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  UC87889  Grindelia hirsutula T. S. Brandegee 1887-7-1 Siskiyou Ager Comment
  HSC18  Hackelia micrantha William J. Ferlatte 1966-6-22 91 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC22134  Hackelia micrantha J. O. Sawyer 1969-7-9 1200 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC722440  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou Takilma-Happy Camp Road 1676 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  SEINET12281162  Hackelia micrantha J. P. Tracy 1951-1 19494 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd, near state line Comment
  UC723022  Hackelia setosa C. L. Hitchcock, J. S. Martin 1939-7-6 5220 Siskiyou Takilma-Happy Camp Road 1676 Comment
  RSA495512  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  RSA68886  Hackelia setosa A. E. Culbertson 1943-7-3 70 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 of its headwaters to the west. 1657 Comment
  HSC44487  Hastingsia alba K. Irwin 1977-5-22 387 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  JEPS25855  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  CAS-BOT-BC504612  Hastingsia alba W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  CAS-BOT-BC504621  Hastingsia alba L. E. Smith 1913-7-12 482 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC508652  Hastingsia alba Gilbert Muth 1966-7-14 387 Siskiyou Marble Mts., ridge near lookout 2042 Comment
  RSA120206  Hastingsia alba S. S. Tillett 1956-7-9 675 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  UC3686  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  JEPS120254  Hazardia whitneyi var. discoidea Julie Kierstead Nelson 2011-8-23 2011 -46 Siskiyou Eastern Klamath Mountains, The Eddys, North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  JEPS16948  Hazardia whitneyi var. discoidea Peter H. Raven 1956-9-4 10378 Siskiyou on the ridge s Mount Eddy 2286 Comment
  CAS-BOT-BC306351  Helenium Alice Eastwood 1912-7-15 1088 Siskiyou McCloud Comment
  CDA6453  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  RSA0037111  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mi. SE/Greenview, Scott Valley. Comment
  CAS-BOT-BC306741  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC306747  Helenium bigelovii John Thomas Howell 1937-7-23 13344 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC76945  Helenium bigelovii K. T. Stillman 1976-9-9 479 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  JEPS93925  Helenium bigelovii Vernon H. Oswald and Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  POM359825  Helianthella californica var. nevadensis Christopher Davidson 1975-6-5 2678 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  CAS-BOT-BC314842  Helianthella californica var. shastensis L. E. Smith 1913-6-12 361 Siskiyou Sisson Comment
  SEINET11835695  Helianthella californica var. shastensis H. P. Chandler 1901-1 1535 Siskiyou Klamath River 427 Comment
  CHSC91351  Heliotropium curassavicum Lowell Ahart; John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north 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
  HSC101502  Hemerocallis fulva J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12993 Siskiyou Fence row along Gazelle-Callahan Road. 3961 Comment
  JEPS81655  Hemizonella minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2296 Siskiyou on US 97 0.8 mi s Bray Junction; Murphy Wells 1493 Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  HSC5987  Hemizonella minima R. C. Wunner 1965-6-6 100 Siskiyou California Lava Beds National Monument; 0.1 mi. on the road to Caldwell Ice Cave from SW entrance road. 1402 Comment
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC91112  Heracleum maximum Jennifer Whipple 1976-7-24 1538 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  JEPS93854  Hesperochiron californicus Vernon H. Oswald and Lowell Ahart 1998-6-11 9203 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  JEPS11802  Heterocodon rariflorum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  CAS-BOT-BC420730  Heuchera cylindrica Elmer I. Applegate 1935-6-12 9518 Siskiyou East base of Cinder Cone, near western boundary of Lava Beds National Monument. Comment
  CAS-BOT-BC420700  Heuchera merriamii Doris K. Kildale 1928-7-2 5410 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  HSC34313  Heuchera merriamii J. P. Smith, J. O. Sawyer 1973-8-15 7328 Siskiyou N of Angel Lake 2012 Comment
  JEPS26525  Heuchera merriamii Lauramay T. Dempster 1961-7-2 1863 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit); Salmon Mountain 1828 Comment
  HSC101874  Heuchera micrantha R. D. Whittlesey 2013-8-3 15 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  CAS-BOT-BC420937  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  CAS-BOT-BC425006  Heuchera micrantha var. micrantha Lewis S. Rose 1945-6-18 45107 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC312306  Hieracium Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs, Mount Shasta 1676 Comment
  CAS-BOT-BC319677  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest 1463 Comment
  CAS-BOT-BC319680  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC319690  Hieracium albiflorum Doris K. Kildale 1928-8-19 6569 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  UC1483555  Hieracium albiflorum John Palmer 1980-8-12 719 Siskiyou se of Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  HSC67747  Hieracium albiflorum J. O. Sawyer, J. Cole 1980-7-21 3817 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  UC455911  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou beginning of Shasta trail, near box factory; Sisson Comment
  CAS-BOT-BC318542  Hieracium greenei A. A. Heller 1925-7-29 13909 Siskiyou Along the Pacific highway near Black Butte, north of teh town of Mt. Shasta Comment
  UC194096  Hieracium horridum unknown 1874-9-1 Siskiyou Shasta 3657 Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC316010  Hieracium nudicaule A. A. Heller 1921-6-29 13561 Siskiyou Along the Mt. Shasta trail near the town of Mt. Shasta Comment
  UC130565  Hieracium nudicaule H. M. Hall 8677 Siskiyou Salmon River Salmon Mountains, Salmon river 1584 Comment
  HSC36471  Hieracium scouleri J. O. Sawyer 1969-8-1 1643 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS82483  Hieracium triste Gilbert Muth 1965-8-11 204 Siskiyou Black Mt. Marble Mt. Wilderness Area (meadow near summit, rim trail) 2011 Comment
  CHSC78958  Holcus lanatus Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  SJSU6505  Holodiscus discolor R. W. Trivelpiece 1972-6-18 123 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 792 Comment
  UC165262  Holodiscus discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 2 mi s of Scott River (near Mugginsville, flowing e into Evans Creek, sw Siskiyou County); Shackleford Creek 914 Comment
  CAS-BOT-BC152376  Holodiscus discolor var. discolor Doris K. Kildale 1928-7-2 5412 Siskiyou Salmon Summit via Horse Creek Trail 1981 Comment
  CHSC1554  Holodiscus microphyllus var. glabrescens N. Jaekel; K. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 2438 Comment
  HSC39648  Hordeum brachyantherum J. P. Smith, J. O. Sawyer 1971-9-17 4676 Siskiyou Little Duck Lake Comment
  UC589850  Hordeum brachyantherum subsp. brachyantherum H. S. Yates 1936-6-21 5820 Siskiyou 1 mi se Gazelle; Etna Quad. 792 Comment
  CHSC91235  Hordeum marinum subsp. gussoneanum Lowell Ahart; John Dittes 2005-6-9 12000 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  JEPS44170  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  UC1034639  Horkelia daucifolia Milo S. Baker 1955-6-25 13068 Siskiyou 2 mi s Hazelle (on Hwy 99, near type locality) 914 Comment
  UC186573  Horkelia daucifolia J. G. Lemmon and Mrs. J. G. Lemmon 1889-6-28 Siskiyou near Edgewood (n California); U. S. Pacific Slope; near Edgewood Comment
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Mar 14 2015
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  UC398641  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou near Shasta City (Sisson); Mt. Shasta, s side Comment
  UC574869  Horkelia fusca subsp. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  CAS-BOT-BC536222  Horkelia fusca var. parviflora Alice Eastwood 1921-7-29 10981 Siskiyou Bear Spring on raod to Medicine Lake Comment
  SD231130  Horkelia hendersonii James R. Shevock, B. Williams. 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01. 2012 Comment
  UC860237  Horkelia tridentata subsp. tridentata A. A. Heller 1916-8-24 12565 Siskiyou near Sisson 1077 Comment
  CAS-BOT-BC538246  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  RSA167327  Hydrophyllum fendleri var. albifrons Joseph P. Tracy 1951-6-16 19496 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
  UC164143  Hydrophyllum occidentale Geo. D. Butler 1909-4-25 691 Siskiyou Quartz Valley Comment
  UCD119488  Hydrophyllum occidentale Sandra Holloway 1963-5-19 57 Siskiyou 2 1/2 miles west of Hawkinsville. 1066 Comment
  UCSB24600  Hydrophyllum tenuipes Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  UC1483537  Hypericum anagalloides Maralyn A. Renner 1980-8-21 2567 Siskiyou Klamath Nat'l Forest, s. corner boundary Coffee Creek Quad., Kidd Creek Klamath Nat'l Forest, Coffee Creek Quad., Kidd Creek 2042 Comment
  UC164087  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  UC61688  Hypericum formosum var. scouleri Geo. B. Grant September 1902 5248 Siskiyou Mt. Shasta 609 Comment
  RSA211252  Hypericum formosum var. scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  SEINET5344270  Hypericum scouleri G. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC401470  Hypericum scouleri W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  RSA30670  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  UC856770  Idahoa scapigera Louis C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River Klamath River; Klamathon, Klamath River 701 Comment
  POM95935  Idahoa scapigera Geo. D. Butler 1910-3-21 1136 Siskiyou Yreka. Comment
  SEINET5342445  Idahoa scapigera G. Butler 1910-3-21 1136 Siskiyou Near Yreka. Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  HSC30078  Ipomopsis aggregata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19534 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA792304  Ipomopsis aggregata Rebecca Wenk 2008-7-23 905 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  HSC30431  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Marble Mtn. Wilderness Area, on steep switchback slope on Pine Lake trail 2073 Comment
  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
  RSA237941  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1968-8-17 551 Siskiyou On Pine Lake Trail. Salmon Mtns. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  JEPS80535  Ipomopsis congesta Gilbert Muth 1965-7-28 312 Siskiyou ridge near Marble Mt. Lookout Marble Mt. Wilderness Area 2103 Comment
  HSC65870  Iris tenax subsp. klamathensis M. A. Baker 1980-6-20 2182 Siskiyou Near Bald Mtn. 275 Comment
  HSC99833  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-6-15 557 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  UC705594  Iris tenuissima Marion Ownbey and D. H. Brown 1941-6-22 2421 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  RSA139181  Iris tenuissima Lee W. Lenz 1958-6-22 23530 Siskiyou 17 miles from Happy Camp, road to Cave Junction Comment
  CHSC96097  Isatis tinctoria L. P. Janeway 2006-7-3 8761 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  JEPS19743  Isatis tinctoria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou 20 mi ne of Weed (along causeway traversing Grass Lake, (U.S. Hwy 97), on route between Weed and Klamath Falls) 1544 Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  SEINET5342454  Isatis tinctoria T. H. Gilbert s.n. Siskiyou Scott Valley. Comment
  CHSC62520  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Above and south of Terrace Lake; headwaters of South Fork Sacramento River. 1941 Comment
  HSC91420  Isoetes bolanderi Jennifer Whipple 1978-10-6 2435 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1094398  Isoetes howellii R. C. Bacigalupi with S. Galen Smith 1957-6-27 5971 Siskiyou 2 mi. s. Weed (along Hwy. 99) 1036 Comment
  UCD15035  Juncus John M. Tucker 1974-7-28 4317 Siskiyou California, Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows; wet soil in meadow, elev. ca. 4800 ft. 1463 Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  HSC19327  Juncus drummondii J. O. Sawyer 1969-8-4 1808 Siskiyou Above Sugar Lake 2134 Comment
  RSA577436  Juncus dubius L. C. Wheeler 1935-6-27 3619 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS63836  Juncus effusus subsp. pacificus W. L. Jepson 1914-8-13 6156 Siskiyou Sisson 1097 Comment
  HSC22405  Juncus ensifolius J. O. Sawyer 1969-7-23 1444 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC73220  Juncus ensifolius Gail Newton 1980-6-20 504 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS66991  Juncus ensifolius Geo. D. Butler 1910-6-21 1596 Siskiyou Yreka Creek Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  CHSC114076  Juncus howellii Jennifer Buck 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento Rivr headwaters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  JEPS121599  Juncus howellii Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Sloping wet meadow on ultramafic soil; NE aspect. South China Mountain quadrangle. TF1_B Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  JEPS84034  Juncus mertensianus L. R. Heckard with J. Hickman et al. 1986-7-17 6458 Siskiyou ca 5 mi n Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake) 1940 Comment
  JEPS63824  Juncus mexicanus B. C. Goldsmith 1916-9-29 34 Siskiyou Medicine Lake Comment
  UC1026899  Juncus nevadensis F. J. Hermann 1940-8-8 15444 Siskiyou near Squaw Valley Creek; Mount Shasta Comment
  RSA238913  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA233666  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38981 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2378 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC81140  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC81141  Juniperus communis E. G. Dudley 1907-8-16 s.n. Siskiyou Peak north of Jackson Lake Comment
  CAS-BOT-BC81143  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  HSC30624  Juniperus communis var. saxatilis Frederick W. Oettinger 1969-8-23 1513 Siskiyou Base of slope near Smith Lake, Salmon Mtns. 1677 Comment
  HSC4853  Juniperus communis var. saxatilis J. O. Sawyer 1968-7-9 405 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  SBBG18884  Juniperus grandis F. E. Clements 1918-1 Siskiyou 6 mi from Yreka Comment
  UC1733769  Juniperus occidentalis Frank Gould, Kay H. Beach 1940-5-15 1246 Siskiyou Meadows and Goosenest Mtn 1828 Comment
  JEPS95663  Juniperus occidentalis var. occidentalis Vernon H. Oswald and L. Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate 1554 Comment
  UCR208051  Kalmia polifolia L. C. Wheeler 1934-8-5 3037 Siskiyou Siskiyou Mountains, Mud Springs, Middlehell Creek 1677 Comment
  UC876882  Kalmia polifolia subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, [Middlehell Creek] Mud Springs; Siskiyou Mountains, , Middlehell Creek 1676 Comment
  UC1190128  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou between Cecilville and Forks of Salmon (hillside along South Fork of Salmon River); South Fork of Salmon River Comment
  CAS-BOT-BC246174  Keckiella lemmonii Alice Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  HSC42896  Keckiella lemmonii Ken Stillman 1976-8-15 406 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC160458  Keckiella lemmonii I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  UC454774  Keckiella lemmonii I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  SBBG15963  Kelloggia galioides D. Myrick 1961-6-22 317 Siskiyou Hwy 89 near McCloud 914 Comment
  SBBG7335  Kelloggia galioides H. and M. Dearing 1938-6-27 2177 Siskiyou 5 mi E of McCloud, (Fowler Public Camp) Comment
  HSC100335  Koeleria macrantha J. P. Smith 2011-7-15 13303 Siskiyou 1427 Comment
  RSA121244  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou one mile southeast of Gazelle. 793 Comment
  HSC69095  Kyhosia bolanderi Maralyn A. Renner 1980-8-4 2222 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC349851  Lactuca tatarica subsp. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mi. n.e. of Macdoel Comment
  OBI76917  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 272 Comment
  NY8460  Lathyrus brownii H. E. Brown 1897-6-11 391 Siskiyou N side of Mt. Shasta, 5000-9000 ft. Comment
  CDA27123  Lathyrus lanszwertii G. Deal 1964-6-3 Siskiyou Lumber mill, Dorris, Butte Valley. 0 Comment
  UC1190131  Lathyrus nevadensis var. nevadensis Ira L. Wiggins 1955-7-21 13427 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  UCD106396  Lathyrus nevadensis var. nevadensis A. A. Heller 1915-7-16 12091 Siskiyou North side of Mt. Eddy. 1524 Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  RSA594185  Lathyrus polyphyllus S. O. Mattoon 1977-6-26 60 Siskiyou Gooseneast District; Klamath North Fork; Forest Road 2 miles S of Surveyors Glade; 12 air miles W of MacDoel. 1829 Comment
  RSA30645  Lathyrus tracyi Lincoln Constance, Reed C. Rollins 1942-5-12 2898 Siskiyou Klamath River 2 miles north of Somes Bar. 183 Comment
  RSA659519  Ledum glandulosum Gary D. Wallace 1990-7-1 2956 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  JEPS117633  Lemna minuta Lowell Ahart, John Dittes 2010-7-30 16958 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinn 716 Comment
  UCD18220  Lepidium campestre Joe Ditomaso 2001-5-22 s.n. Siskiyou near Hwy 89, 2 miles W of McCloud. Comment
  CAS-BOT-BC12996  Lepidium virginicum Lewis S. Rose 1945-6-18 45099 Siskiyou Horse Creek and Klamath River. 502 Comment
  HSC81974  Lepidium virginicum var. virginicum Barry Silver 1986-5-24 604 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 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
  RSA0089588  Leptosiphon harknessii Dean Wm. Taylor 1987-6-23 9050 Siskiyou Vicinity of Mud Well, McCloud River headwaters. 1402 Comment
  HSC26903  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1971-9-18 4796 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UC1223214  Lessingia ramulosa Joseph P. Tracy 1949-9-14 18552 Siskiyou 5 mi se Cecilville (at Summerville); South Fork of Salmon River 762 Comment
  CAS-BOT-BC342102  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  CAS-BOT-BC58262  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC27337  Lewisia cotyledon J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5707 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA215609  Lewisia cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  CHSC95122  Lewisia cotyledon var. cotyledon L. P. Janeway 2006-7-3 8771 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  HSC4442  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin 1982 Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC69552  Lewisia leeana Maralyn A. Renner 1980-6-26 1294 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS105026  Lewisia leeana Dean W. Taylor 1996-7-25 15868 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  SBBG124419  Lewisia leeana C. B. Hardham 1961-7-1 8011 Siskiyou White Mtn, just below summit 1981 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  RSA120738  Lewisia nevadensis S. S. Tillett 1956-7-9 637 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  UC1090386  Lewisia rediviva Milo S. Baker 1957-6-16 13122 Siskiyou Scott Mt. 1645 Comment
  UC52210  Lewisia rediviva W. T. Mooney 1908-5-28 Siskiyou Yreka Comment
  CDA32479  Leymus triticoides John Nehay, DVM 1961-8-28 Siskiyou Edgewood. 0 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
  RSA453854  Ligusticum grayi M. B. Dunkle 1929-8-29 2392 Siskiyou Upper Rattlesnake Creek Comment
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May 7 2013
  RSA12590  Lilium kelleyanum Carl B. Wolf 1934-7-6 5996 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  CAS-BOT-BC509358  Lilium kelleyanum Wayne Roderick 1967-7-28 s.n. Siskiyou North of center of the town of Mt. Shasta. In large bog, between old Hwy. and R.R. 1066 Comment
  CAS-BOT-BC509368  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  UC1034603  Lilium pardalinum Douglas Barbe 1955-6-29 47 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  UC618679  Lilium pardalinum unknown 1938-7-15 11197 Siskiyou Bear Springs Mount Shasta (meadow between two springs resulting in Bear Springs) Comment
  CAS-BOT-BC130825  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  SEINET8370192  Lilium pardalinum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch, northeast base of Eddy in moist soil in the forest. 1189 Comment
  HSC69228  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-31 2616 Siskiyou Twin Valley. 1494 Comment
  POM267240  Lilium washingtonianum Marion Ownbey, Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  RSA237220  Lilium washingtonianum subsp. purpurascens Frederick W. Oettinger 1967-7-6 152 Siskiyou Music Creek Road, 2 miles up from Finley Camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC133102  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 186 Siskiyou Mt. Shasta Comment
  RSA139020  Linaria dalmatica T. C. Fuller 1960-6-30 4646 Siskiyou Just N/Forest Service Station, Mt. Hebron. Comment
  RSA0087562  Linnaea borealis subsp. longiflora Frederick W. Oettinger 1969-8-9 1319 Siskiyou Salmon Mountains: vicinity of English Peak, Marble Mountain Wilderness Area. Stream crossing approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. 1356 Comment
  UC1037386  Linnaea borealis var. longiflora Douglas Barbe 1955-7-5 101 Siskiyou on French Creek about 12 mi s Etna; Klamath Mountains, French Creek 1097 Comment
  RSA12570  Linum lewisii Carl B. Wolf 1934-7-6 6016 Siskiyou Around Wagon Camp, So. slope of Mt. Shasta. 1677 Comment
  UCD77828  Listera convallarioides Robert E. Preston 2001-6-30 1636 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  SACT002879  Lithocarpus densiflorus Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 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
  HSC838  Lithophragma glabrum William J. Ferlatte 1967-7-9 695 Siskiyou Kidd Creek Trail 1982 Comment
  CAS-BOT-BC435478  Lithophragma glabrum Grace Wood 1919-4-1 s.n. Siskiyou Yreka Comment
  HSC41474  Lithophragma heterophyllum Ed Cope 1977-7-16 129 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  HSC64841  Lithophragma parviflorum J. P. Smith 1973-5-5 6531 Siskiyou Scott Bar along the Scott River Comment
  UCSB13237  Lithospermum californicum Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  HSC71190  Lolium perenne M. A. Baker 1980-6-20 2223 Siskiyou Near Bald Mtn. 1036 Comment
  UC165310  Lomatium californicum Geo. 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
  HSC22214  Lomatium engelmannii J. O. Sawyer 1969-6-12 901 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  LA84365  Lomatium engelmannii Tracy Call; Viola Call 1964-6-26 2301 Siskiyou Scott Mt. campground 1722 Comment
  RSA78838  Lomatium macrocarpum P. A. Munz 1952-7-2 17916 Siskiyou Road to Baldy Mountain about 6 miles by air west of Happy Camp, Siskiyou Mountains 1448 Comment
  SEINET7042824  Lomatium peckianum A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  UC166105  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou near Yreka Comment
  POM68734  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mtn. 1220 Comment
  HSC42234  Lonicera conjugialis J. D. Mastrogiuseppe 1974-9-2 161 Siskiyou Above Kidd Creek. 1951 Comment
  RSA126301  Lonicera conjugialis I. L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  RSA238536  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  POM46730  Lonicera interrupta E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon. Comment
  UC1236516  Lotus crassifolius var. crassifolius H. A. Thomas and J. H. Thomas 1954-7-27 4553 Siskiyou about 6 mi se Cecilville (s side of South Fork of Salmon River, in vicinity of Blind Horse Creek and area 1 mi t se); Salmon-Trinity Mts., South Fork of Salmon River, Blind Horse 883 Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  UC144153  Lotus purshianus var. purshianus A. A. Heller 1905-6-8 8001 Siskiyou Yreka Comment
  CAS-BOT-BC140247  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  UC1128064  Luetkea pectinata H. A. Jensen 1933-8-4 340 Siskiyou The Gate (Red Butte); Shasta National Forest, Dunsmuir Quad. 2407 Comment
  UC1409366  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou se corner Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UC922373  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-22 5838 Siskiyou on trail to Kings Castle; Marble Mountains, Paradise Lake 1996 Comment
  UCR37812  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Marble Mtn Wilderness Area, trail from Big Rock Camp to Jumpoff 1982 Comment
  RSA237533  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2082 Comment
  SEINET10488367  Lupinus albicaulis Patricia L. Kenney 1973-6-4 Kenney 386 Siskiyou Along w side of mount shasta, just before pony trail road 1067 Comment
  RSA519115  Lupinus albicaulis var. albicaulis S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  JEPS25638  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7277 Siskiyou Poker Flat 1536 Comment
  JEPS64892  Lupinus albicaulis var. shastensis Willis L. Jepson August 1894 8 t Siskiyou near Sisson; Mt. Shasta, Upton, near Sisson Comment
  POM26759  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  UC1573173  Lupinus andersonii Dean Wm. Taylor with Glenn L. Clifton and Rexford Palmer 1987-6-7 9024 Siskiyou Paynes Springa Paynes Springs (Medicine Lake highland, Upper Modoc Plateau); Upper Modoc Plateau, , Medicine Lake highland 2011 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
  SEINET5327649  Lupinus andersonii G. Butler 1910-5-15 1349 Siskiyou Greenhorn Moutains 1067 Comment
  SEINET10837737  Lupinus andersonii var. andersonii Katherine L. Morris 1973-5-25 Morris 272 Siskiyou 20.7 miles e of mccloud on hwy 89 n an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  UCD106798  Lupinus argenteus var. argenteus J. M. Tucker 1950-7-24 1960 Siskiyou outskirts of Dorris. Comment
  HSC22260  Lupinus breweri J. O. Sawyer 1969-7-11 1341 Siskiyou Se facing slope above S Sugar Creek 1753 Comment
  CAS-BOT-BC215185  Lupinus croceus C. P. Smith 1940-6-6 15079 Siskiyou Along the Castle Lake Road 1584 Comment
  JEPS74515  Lupinus croceus W. J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine Trinity Alps, Yellow Rose Mine 1981 Comment
  SEINET10870978  Lupinus croceus Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6988 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi. Ne of Cecilville store, on rd. To callahan. 2073 Comment
  RSA211162  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  RSA68872  Lupinus croceus A. E. Culbertson 1943-6-24 84 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  POM26764  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1067 Comment
  HSC92404  Lupinus lapidicola Jennifer Whipple 1976-6-11 965 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC63294  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1068 Siskiyou 1900 Comment
  RSA413738  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1934-7-3 2874 Siskiyou Smoky Creek, Sterling Mt. 1494 Comment
  SEINET10489290  Lupinus latifolius subsp. viridifolius Kildale 1928-7-2 KILDALE 5349 Siskiyou Salmon summit via horn luck trail. 1981 Comment
  UCD108204  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  JEPS65277  Lupinus latifolius var. viridifolius W. L. Jepson Aug. 1894 45 t Siskiyou Mt. Shasta Comment
  UC1409222  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou slope n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  JEPS65069  Lupinus lepidus var. lobbii Willis L. Jepson 1894-8-11 9 t Siskiyou near Sisson; Mt. Shasta, Muir Peak (now Sugar Loaf), next Black Butte Comment
  UC609334  Lupinus lepidus var. lobbii Eleanor Burks Hart 1938-8-18 934 Siskiyou e slope Boulder Peak; e slope Boulder Peak 2529 Comment
  LA205119  Lupinus lepidus var. lobbii W. B. C.; 1939-7-13 13561 Siskiyou Mount Shasta, around Squaw Valley Creek meadows 2590 Comment
  UC146924  Lupinus lepidus var. sellulus Harley P. Chandler June, 1901 1727 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  UC148427  Lupinus leucophyllus Katharine Brandegee July 1887 Siskiyou Ager Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 Comment
  SEINET10485529  Lupinus leucophyllus var. belliae Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6978 Siskiyou Wester yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  JEPS83249  Lupinus luteolus W. L. Jepson 1939-7-23 18455 Siskiyou beyond Hambrook at Cedar Grove road station; Yreka Comment
  RSA105765  Lupinus lyallii var. lyallii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mt. Shasta 1829 Comment
  CHSC86647  Lupinus microcarpus Jenny Marr 1993-7-1 30 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC93523  Lupinus microcarpus var. microcarpus Lowell Ahart; John Dittes 2005-6-9 12015 Siskiyou Open 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
  RSA104328  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou A short distance below Horse Camp, Mt. Shasta. Comment
  UC1736619  Lupinus obtusilobus Dean W. Taylor 1975-8-14 5363 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte, 2651 Comment
  UC618892  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Flats Mount Shasta Comment
  RSA414230  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-08 9294 Siskiyou Klamath National Forest Marble Mts. Comment
  CAS-BOT-BC436700  Luzula comosa var. laxa D. E. Breedlove 1962-6-11 3347 Siskiyou On bank of Canyon Creek about 20 miles W of Fort Jones; Marble Mountains 914 Comment
  JEPS66700  Luzula comosa var. laxa B. C. Goldsmith 1916-9-29 33 Siskiyou Medicine Lake Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1265318  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou along ridge English Peak trail (High Lake Basins in the vicinity of English Peak, Salmon Mountains, western Siskiyou County, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  SD76182  Madia elegans subsp. densifolia Helen V. Witham 1969-10-7 572 Siskiyou Scott River, 10 miles west of Fort Jones 700 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
  CHSC79468  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Northern California. Siskiyou Mountains. Bear Creek Rd. +/- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. UTM: 10S, 04623 N, 46153 E. Comment
  CAS-BOT-BC343426  Madia gracilis Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  RSA126302  Madia madioides I. L. Wiggins 1955-7-23 13466 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  HSC76990  Maianthemum racemosum subsp. amplexicaule K. T. Stillman 1976-6-25 78 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA168939  Maianthemum racemosum subsp. amplexicaule Joseph P. Tracy 1951-6-16 19487 Siskiyou Summit of the Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line 1463 Comment
  RSA605351  Maianthemum stellatum Louis C. Wheeler 1959-7-25 7605 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UCD78003  Maianthemum stellatum Robert E. Preston 2001-6-30 1664 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  HSC6003  Malacothrix floccifera Lincoln Constance, J. F. Davidson, B. Kasapligil, H. L. Mason 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 915 Comment
  UCR51831  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mtns, Jaynes Canyon. (Mt. Diablo Meridian) 1829 Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  UC618642  Melica aristata W. Bridge Cooke 1938-7-22 11335 Siskiyou Sisson Southern Trail Mt. Shasta (Transition) Comment
  POM198350  Melica californica Geo D. Butler 1909-5-26 824 Siskiyou Hill near Yreka. Comment
  HSC22110  Melica subulata J. O. Sawyer 1968-7-10 466 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC48289  Melica subulata J. O. Sawyer, K. T. Stillman 1978-7-6 3296 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UCD88598  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3447 Siskiyou 11 miles north of Happy Camp, banks of Indian Creek. Comment
  UCR143059  Mentzelia dispersa L. C. Wheeler 1934-7-5 2884 Siskiyou Siskiyou Mtns., Hungry Creek 976 Comment
  RSA201180  Mentzelia montana Dorothy Parker 1967-5-14 s.n. Siskiyou McConahue Gulch, Scott Valley. 1128 Comment
  CAS-BOT-BC428608  Micranthes bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC429034  Micranthes nidifica Roxana S. Ferris; Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  CAS-BOT-BC506661  Micranthes odontoloma Dana York 2011-8-14 3077 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Marble Valley, just below the PCT 1730 Comment
  CAS-BOT-BC349369  Microseris nutans Alice Eastwood 1921-7-24 10771 Siskiyou Castle Lake Comment
  CAS-BOT-BC349370  Microseris nutans Alice Eastwood 1921-7-29 10947 Siskiyou Medicine Lake Comment
  CDA8393  Microseris nutans T. C. Fuller 1962-6-13 8979 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  POM208258  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mountains; Mt. Diablo Mer. Head Jaynes Canyon. 1829 Comment
  HSC78192  Mimulus breweri L. P. Janeway 1983-7-10 406 Siskiyou Poker Flat 1524 Comment
  SEINET3365879 Image available Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  JEPS25837  Mimulus guttatus Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7451 Siskiyou about 12 mi nw Happy Camp (along trail to Twin Valley, brook above and flanking Poker Flat); Siskiyou Mts. 1524 Comment
  SBBG25929  Mimulus guttatus D. Myrick 1966-8-9 1514 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  RSA447943  Mimulus guttatus M. B. Dunkle 1945-1 9293 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA60485  Mimulus guttatus John H. Thomas 1949-6-16 939 Siskiyou 10 miles north of Gazelle. Comment
  SEINET7073517  Mimulus latifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
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Dec 30 2018
  UC1112264  Mimulus layneae R. C. Bacigalupi with S. Galen Smith 1957-6-25 5929 Siskiyou s Weed (just w of Black Butte railroad junction) Comment
  RSA434638  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Summit Trail. Marble Mountains. Klamath National Forest. Comment
  UC1034004  Mimulus microphyllus Francis W. Pennell Jul 16 1940-Jul 17 1940 26163 Siskiyou 5 mi sw yreka 914 Comment
  UC1190241  Mimulus microphyllus Ira L. Wiggins 1955-7-22 13444 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC1190172  Mimulus moniliformis Ira L. Wiggins 1955-7-22 13451 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC454137  Mimulus moniliformis I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA211426  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  RSA237573  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UCD122797  Mimulus moschatus Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou near head of Canyon Creek, east of Marble Mountain, Marble Mountains. 1645 Comment
  POM43845  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-7-8 1685 Siskiyou Shackleford Creek. 1220 Comment
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  UC1177935  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  POM147660  Mimulus nanus var. jepsonii Alice Eastwood 1912-7-16 1143 Siskiyou Mt. Cloud. Comment
  SDSU117  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 miles E of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89. Opposite Hwy 89 from USFS Road 40N16; 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station; T39N, R1W, N1/2 S5. 1097 Comment
  JEPS4010  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  UC796454  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11851 Siskiyou 1.5 mi below summit Gazelle Mountain Grade (e side of grade) 1417 Comment
  UC718167  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 1/2 mi s Wagon Camp (s slope of mt.); Mt. Shasta 1524 Comment
  HSC446  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin 2226 Comment
  CAS-BOT-BC388888  Minuartia douglasii Albert M. Vollmer; Lawrence Beane 1951-5-31 20 Siskiyou Scott Mountain Comment
  HSC68023  Minuartia douglasii J. P. Smith, Steve Selva 1970-6-16 4010 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  JEPS93911  Minuartia nuttallii subsp. gregaria Vernon H. Oswald and Lowell Ahart 1998-8-3 9450 Siskiyou 4.9 mi se of Gazelle-Callahan Road (Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08)) 1767 Comment
  UC135706  Minuartia nuttallii subsp. gregaria Dr. E. B. Copeland 1903-8-18 3907 Siskiyou Mt. Eddy 2133 Comment
  UC852409  Minuartia nuttallii subsp. gregaria A. A. Heller 1915-8-26 12219 Siskiyou near source of Wagon Creek (on canyon at upper limit of Pinus monticola); Nt. Eddy 2590 Comment
  CHSC88777  Mirabilis greenei Jenny Marr 1993-7-1 198 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  NY342052  Mirabilis greenei E. L. Greene 1876-1 s.n. Siskiyou Comment
  CDA23863  Mirabilis greenei D. F. Dias 1971-7-19 Siskiyou J. D. Newlin property, Yreka. 0 Comment
  RSA468283  Mitella Louis C. Wheeler 1934-6-19 2737 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  SEINET6167732  Mitella diversifolia G. D. Butler 1910-1 1391 Siskiyou Humbug Mt. 1219 Comment
  HSC86538  Mitella pentandra D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta, Squaw Valley, E of Red Butte along Squaw Creek 1982 Comment
  RSA123588  Mitella pentandra G. D. Barbe 1955-7-9 149 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  HSC78186  Mitella trifida L. P. Janeway 1983-8-6 501 Siskiyou Poker Flat 1524 Comment
  RSA238328  Mitella trifida Frederick W. Oettinger 1969-8-12 1346 Siskiyou Below Abbotts Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  JEPS25622  Moehringia macrophylla Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7256 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC435052  Mollugo verticillata Carl B. Wolf 1927-8-26 1091 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  SEINET3996417 Image available Monardella odoratissima J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2134 Comment
  CAS-BOT-BC221813  Monardella odoratissima Laura M. Lathrop 1903-7-1 s.n. Siskiyou Sisson Comment
  RSA120862  Monardella odoratissima H. K. Wagnon 1957-8-11 1702 Siskiyou East slope of Mt. Shasta ca. 1 mile west of Military Pass Road, along road to Brewer Creek Comment
  RSA401675A  Monardella odoratissima M. B. Dunkle 9307 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  UCD125280  Monardella odoratissima R. Tofsrud; J. M. Tucker 1948-8-2 1757 Siskiyou Cemetary about 2 miles south of McCloud. Comment
  HSC61888  Monardella odoratissima subsp. odoratissima Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC220358  Monardella odoratissima subsp. pallida J. G. M. 1969-8-6 s.n. Siskiyou Boulder Peak Comment
  CAS-BOT-BC220368  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-8 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  CAS-BOT-BC222169  Monardella odoratissima subsp. pallida Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  CAS-BOT-BC222170  Monardella odoratissima subsp. pallida Lewis S. Rose 1937-7-25 37587 Siskiyou S. slope of Mt. Shasta 1767 Comment
  UC2035863  Monardella odoratissima subsp. pallida L. Ellison 1928-9-11 515 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC222181  Monardella odoratissima subsp. pallida Elmer I. Applegate 1923-8-18 3874 Siskiyou Near summit of Redshale [Red Shale] Mountain, East of Medicine Lake 2438 Comment
  UC2035870  Monardella villosa subsp. villosa C. Epling 1938-1 Siskiyou Klamath River slopes near Highway 99. Comment
  RSA238383  Monotropa hypopitys Frederick W. Oettinger 1969-8-19 1469 Siskiyou Between Charmain Lake and Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA47980  Montia dichotoma Roxana S. Ferris, Laura Lorraine 1948-6-12 11845 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC444876  Montia fontana Geo. D. Butler 1909-3-26 679 Siskiyou Oro Fino Comment
  RSA601896  Montia linearis L. C. Wheeler 1935-4-18 3431 Siskiyou Greenhorn Creek, Siskiyou Mountains. 944 Comment
  HSC22223  Montia parvifolia J. O. Sawyer 1969-7-10 1293 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC262675  Muhlenbergia asperifolia Louis C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE Gazelle 868 Comment
  UC204922  Muhlenbergia filiformis unknown 11704 Siskiyou near Deetz Station (6 mi n of Sisson) Comment
  SEINET10827781  Muhlenbergia filiformis Paul M. Peterson, Carol R. Annable 1988-8-14 Peterson 4862 Siskiyou Shasta-Trinity National Forest, 8 mi E of McCloud off Hwy 89 and 1 mi S towards McCloud River. Pinus ponderosa, Arctostaphylos patula, Purshia tridentata, and Ceanothus spp. Comment
  CAS-BOT-BC275171  Muhlenbergia richardsonis G. J. Muth 1969-8-10 1332 Siskiyou Ridge W of Boulder Peak Comment
  UC1265375  Najas flexilis F. W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mountains, Smith Lake, western Siskiyou County Smith Lake; Salmon Mountains, Smith Lake 1417 Comment
  POM196346  Nama lobbii C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake. 1829 Comment
  HSC58938  Narthecium californicum Marvin Butler 1971-7-28 219 Siskiyou Near El Capitan 1524 Comment
  RSA105499  Nasturtium officinale G. D. Barbe 1955-6-29 30 Siskiyou 1 mile east of Callahan 976 Comment
  HSC62452  Navarretia capillaris Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley. 1524 Comment
  JEPS70280  Navarretia divaricata W. L. Jepson 1940-7-3 20096 Siskiyou Bartle, e part of Siskiyou County Bartle 1188 Comment
  CAS-BOT-BC230310  Navarretia heterandra Alice Eastwood 1912-7-20 1266 Siskiyou Hornbrook Comment
  UC164018  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou near Oro Fino Comment
  UC52519  Navarretia intertexta Geo. B. Grant Sep 1902 5073 Siskiyou Sisson Mount Shasta 914 Comment
  POM65067  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  UCD48606  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake, in forested hills, Siskiyou County. Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  JEPS81664  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  RSA714941  Nicotiana attenuata M. E. Fishbein, Lane Greer 2006-8-4 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi northeast of Medicine Lake. 1650 Comment
  SEINET1004225  Nicotiana attenuata Mark Fishbein, Lane Greer 2006-1 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi north-northeast of Medicin Lake. 1650 Comment
  UC195220  Nicotiana quadrivalvis Annie M. Alexander and Louise Kellogg 1911-6-13 132 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC60582  Noccaea fendleri subsp. glauca John Thomas Howell 1937-7-22 13279 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA211335  Noccaea fendleri subsp. glauca William J. Ferlatte 1966-6-23 122 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  UC49997  Nothocalais troximoides Edward L. Greene 1876-5-15 781 Siskiyou near Yreka Comment
  HSC58839  Nothochelone nemorosa Marvin Butler 1971-7-29 228 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  UC922596  Nothochelone nemorosa Annie M. Alexander and Louise Kellogg 1948-9-8 5603 Siskiyou top of grade between Sawyers Bar and Etna (Siskiyou Mountains); Siskiyou Mountains 1737 Comment
  UCD110211  Notholithocarpus densiflorus R. Tofsrud; J. M. Tucker 1948-8-3 1775 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  UCD110225  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks. 1066 Comment
  UC722330  Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-7-7 5273 Siskiyou Whiskey Lake 1/2 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake, Sanger Peak Trail 1463 Comment
  HSC29349  Nuphar polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou Marble Mtns. Wilderness Area, E side of English Lake 1753 Comment
  SEINET8884740  Olsynium douglasii G. Butler 1910-3-11 1123 Siskiyou Ureka hills 914 Comment
  UC1733725  Olsynium douglasii var. douglasii Kay H. Beach, Frank Gould 1940-5-15 628 Siskiyou Bull Meadows Comment
  CAS-BOT-BC56841  Opuntia fragilis Carl B. Wolf 1941-7-26 11074 Siskiyou Field redacted by CAS, contact the data manager for more information 883 Comment
  JEPS87126  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou .5 m below, (watershed South Fork Sacramento River) Gumboot Lake; South Fork Sacramento River, Gumboot Creek 1844 Comment
  HSC62473  Orobanche fasciculata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  UC139217  Orobanche fasciculata R. M. Austin Aug 1878 251 Siskiyou Mount Eddy. Comment
  JEPS51820  Orobanche uniflora subsp. occidentalis Theodore Niehaus 1966-6-20 719 Siskiyou Open slopes just below Little Castle Lake along trail from Castle Lake. Comment
  JEPS20246  Orobanche uniflora subsp. occidentalis W. R. Ernst 1958-4-7 242 Siskiyou Above the Shasta River Bridge #2-13, along Highway 99, 2 miles south of the Klamath River Road. Comment
  HSC19206  Orthilia secunda J. O. Sawyer 1968-6-18 236 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS4545  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1937-7-29 13653 Siskiyou Scott Mountain; between Trinity and Siskiyou Counties Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  HSC29372  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 Siskiyou Marble Mtn. Wilderness Area, E side of trail between Tom Taylor Cabin and meadow NW of English Peak Lookout 2104 Comment
  RSA183717  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1965-7-30 138 Siskiyou Marble Mtns. Near top of marble rim. Comment
  HSC49943  Orthocarpus cuspidatus subsp. cuspidatus G. L. Clifton, Terry Griswold 1979-8-8 13066 Siskiyou Near Windy Camp, close to the town of Klamath River 2044 Comment
  JEPS84026  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  RSA749251  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  UCD123228  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer; A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest. 13.3 m on Forest Service Rd. 70, off US Hwy 97 toward Oregon. 1956 Comment
  HSC69323  Osmorhiza berteroi Maralyn A. Renner 1980-8-31 2666 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC29190  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Marble Mountain Wilderness Area, W of English Lake 1761 Comment
  HSC69284  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 1953 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 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
  RSA459027  Osmorhiza occidentalis L. C. Wheeler 1934-8-16 3166 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  CAS-BOT-BC413220  Oxyria digyna Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC83920  Oxyria digyna K. Berg, Stephanie Bennett 1986-8-25 647 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  JEPS82265  Packera cana Roger Raiche 1983-8-13 30594 Siskiyou near summit Mt. Eddy 2743 Comment
  SBBG2225  Paeonia brownii H. and M. Dearing 1938-6-29 2191 Siskiyou Mt Shasta 1828 Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  HSC62026  Parnassia fimbriata Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  CAS-BOT-BC202849  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  HSC29145  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou Marble Mtn. Wilderness Area, steep loose talus due W of 'Horse's Hole', a pond above Horse Range Lake 1982 Comment
  HSC33965  Paxistima myrsinites J. P. Smith 1974-5-25 7447 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC484054  Paxistima myrsinites Carl B. Wolf 1930-10-22 Siskiyou 3 mi. s. Mt. Shasta City 1066 Comment
  UCSB25456  Paxistima myrsinites McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  CAS-BOT-BC202863  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  CHSC1834  Pedicularis attollens V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1828 Comment
  CAS-BOT-BC266651  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1948-9-9 5612 Siskiyou Siskiyou Mountains. Trail to Taylor Lake Comment
  CAS-BOT-BC266657  Pedicularis contorta John Thomas Howell 1937-7-24 13405 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC77143  Pedicularis contorta J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  UC886599  Pedicularis densiflora A. A. Heller 1915-7-15 12085 Siskiyou Mount Eddy 2072 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
  HSC62292  Pedicularis racemosa Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  JEPS29774  Pellaea brachyptera Lauramay T. Dempster 1961-7-2 1859 Siskiyou sw Etna (ridge w of Salmon Mt Summit) 1828 Comment
  SEINET8671726 Image available Pellaea brachyptera William Bridge Cooke 1937-1 9110 Siskiyou Mount Shasta 1524 Comment
  SEINET9628403 Image available Pellaea brachyptera William Bridge Cooke 1941-9-5 16275 Siskiyou Common on the bluff above MacBride Springs. 1524 Comment
  CAS-BOT-BC67668  Pellaea breweri Geo. D. Butler 1908-8-8 240 Siskiyou Marble Valley Comment
  HSC29294  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Charmaine Lake 2024 Comment
  UC722785  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou open hillside on Takilma-Happy Camp Road 1676 Comment
  JEPS84074  Penstemon azureus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 a Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, 1/2 air mi fr Red Butte 1750 Comment
  HSC86542  Penstemon davidsonii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, slope of Red Butte 2134 Comment
  CAS-BOT-BC265363  Penstemon davidsonii var. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta Comment
  UC1751242  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  CHSC118649  Penstemon deustus Richard R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  HSC662  Penstemon deustus William J. Ferlatte 1967-7-9 678 Siskiyou Kidd Creek Trail 1768 Comment
  SBBG7139  Penstemon deustus H. and M. Dearing 1939-7-1 3788 Siskiyou Salmon Mtn 1828 Comment
  CHSC99720  Penstemon deustus var. suffrutescens L. P. Janeway 2008-7-24 9489 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. A little over the edge, southeast-facing slope, next to rock outcrop. 2050 Comment
  JEPS107481  Penstemon deustus var. suffrutescens Lowell Ahart, John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north 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
  UC144567  Penstemon deustus var. suffrutescens A. A. Heller 1905-6-16 8049 Siskiyou near Sisson; near Sisson Comment
  UC886951  Penstemon deustus var. suffrutescens Lewis S. Rose 1940-6-14 40586 Siskiyou Indian Well Lava Beds National Monument, Indian Well 1524 Comment
  JEPS11266  Penstemon gracilentus W. L. Jepson 1894-8-4 21430 Siskiyou half-way up Mt. Shasta between Sisson sta. and Horse Camp; half-way up Mt. Shasta btw Sisson sta. and Horse Camp Comment
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta Comment
  POM188149  Penstemon gracilentus Marcus E. Jones 1931-7-17 28827 Siskiyou Shasta City (Session's). Comment
  SBBG30586  Penstemon heterodoxus var. cephalophorus D. Myrick 1968-6-27 2046 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC265279  Penstemon humilis subsp. humilis Elmer I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  JEPS11378  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-30 20066 Siskiyou 6 mi e McCloud (Fowlers Camp, Forest Service Campground on McCloud River); McCloud River, e of McCloud, Fowlers Camp 944 Comment
  SJSU6061  Penstemon laetus var. sagittatus R. W. Trivelpiece 1971-6-28 40 Siskiyou N of Alder Cr divide between whaleback & Haight Mt c. 15 mi N of Mt Shasta 1524 Comment
  RSA300514  Penstemon laetus var. sagittatus John Dourley, Walter Wisura 1982-10-17 3881 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  SBBG16540  Penstemon newberryi D. Myrick 1961-6-19 266 Siskiyou rd to Mt Shasta Ski Bowl 1524 Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  JEPS15374  Penstemon newberryi var. berryi Douglas Barbe 1955-8-5 364 Siskiyou along trail from Big Flat to Caribou lake at summit of the trail, a point NW of Caribou Mountain Salmon Mountains 2407 Comment
  JEPS26254  Penstemon newberryi var. berryi Friedrich Ehrendorfer 1959-5-29 loc. 22 Siskiyou to the S of the road, at Etna summit, on road from Etna to Finley Camp (Salmon Mtn. summit) 1813 Comment
  UC138851  Penstemon newberryi var. newberryi Dr. E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828 Comment
  UC618699  Penstemon newberryi var. newberryi W. Bridge Cooke 1938-6-17 11010 Siskiyou Sisson Southern Trail Mount Shasta 2438 Comment
  CHSC31045  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou On ridge s of Castle Lake, above Hearts lake. 1879 Comment
  HSC19162  Penstemon parvulus J. O. Sawyer 1969-7-25 1540 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC74931  Penstemon parvulus J. P. Smith, Jennifer Whipple 1978-7-2 9974 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  CAS-BOT-BC94477  Penstemon parvulus R. C. Wenk 2005-7-19 346 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  HSC103048  Penstemon roezlii J. P. Smith, J. O. Sawyer, R. J. Cole 2014-6-7 13906 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou 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
  RSA401885  Penstemon speciosus E. E. Stanford 1930-6-15 1591 Siskiyou Near Shasta City. 1098 Comment
  UC585120  Penstemon speciosus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1882 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); n slopes Mt. Shasta 1249 Comment
  UCSB6201  Penstemon speciosus Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97, 11 miles north of Weed, lower slopes of Mt. Shasta 1097 Comment
  UC1428123  Perideridia gairdneri subsp. borealis James E. Eckenwalder 1972-9-4 886 Siskiyou headwaters of Clear Creek Young's Valley (Young's Valley, Siskiyou Mountains (S.S.)); Siskiyou Mountains, headwaters Clear Creek Comment
  RSA237657  Perideridia howellii Frederick W. Oettinger, R. Thorne 1969-8-8 1309 Siskiyou West of English Lake above the main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET13095372  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou West-facing slopes above Trinity River 5 miles north-west of Cecilville. 762 Comment
  UC1312870  Perideridia oregana L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3767 Siskiyou US Hwy 99W 1.5 mi n Edgewood turnoff 91 Comment
  JEPS22049  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6932 Siskiyou in meadow 1/4 mi n Scott Mtn. road summit (rd. from Callahan to Trinity Center) 1615 Comment
  CAS-BOT-BC418940  Persicaria lapathifolia Alice Eastwood 1912-7-22 1312 Siskiyou Sisson Comment
  UC672408  Phacelia Herbert L. Mason 1931-5-9 5867 Siskiyou Shasta Creek Comment
  UC923092  Phacelia bolanderi Freed W. Hoffman 1950-7-11 3312 Siskiyou Cedar Camp rd 1.4 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  CHSC110530  Phacelia corymbosa Julie Kierstead Nelson 2011-8-23 2011 -44 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake. Comment
  CHSC96030  Phacelia dalesiana L. P. Janeway 2006-7-4 8791 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA120921  Phacelia greenei Milo S. Baker s.n. Siskiyou Along road to summit Scott Mountain 1646 Comment
  SD113334  Phacelia hastata Darley F. Howe 1979-6-26 5115 Siskiyou Military pass road, 3 mi. SE of #97 Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  RSA184649  Phacelia hastata subsp. hastata Clare B. Hardham 1965-8-20 13014 Siskiyou Cudahy Lakes Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS2076  Phacelia heterophylla subsp. virgata W. L. Jepson July, 1894 21058 Siskiyou Sisson Comment
  HSC61875  Phacelia leonis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CHSC97389  Phacelia linearis Jenny Marr 2006-6-18 225 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  UC1426027  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou on mountain due n Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1981 Comment
  HSC19148  Phacelia mutabilis J. O. Sawyer 1969-7-1 966 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  RSA68892  Phacelia mutabilis A. E. Culbertson 1943-7-10 65 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  UC1023833  Phacelia pringlei Douglas Barbe 1955-7-26 276 Siskiyou spring on n slope Klamath Mountains, Scott Mtn. 1828 Comment
  JEPS101552  Phacelia sericea var. ciliosa Dean W. Taylor 1996-7-26 15843 Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2316 Comment
  HSC103014  Phalaris arundinacea J. P. Smith 2014-6-6 13871 Siskiyou Along State Route 96 at the Wingate River Access to the Klamath River 307 Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River 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-BC77434  Philadelphus lewisii L. E. Detling 1950-6-10 6623 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  UC196936  Phleum pratense Geo. D. Butler 1908-6-25 1094 Siskiyou along creek near Yreka Comment
  JEPS84256  Phlox diffusa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6413 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  CAS-BOT-BC294729  Phlox diffusa James Vale 1980-7-25 s.n. Siskiyou Shasta - Trinity National Forest. Mount Shasta, Panther Meadow Comment
  POM258057  Phlox diffusa subsp. diffusa C. L. Hitchcock, J. S. Martin 1939-7-7 5274 Siskiyou Whiskey Lake, 1/2 mile above Camp Chicago, on Sanger Peak Trail 1463 Comment
  UC1017713  Phlox douglasii subsp. rigida Marion Ownbey and Ruth P. Ownbey 1938-7-20 1762 Siskiyou near Dry Lake Lookout (summit of Siskiyou Mountains); Siskiyou Mountains Comment
  UC1037413  Phlox hoodii subsp. canescens Douglas Barbe 1955-8-5 363 Siskiyou nw of Caribou Mountain (at the summit of the trail from Big Flat to Caribou Lake); Klamath Mountains, Salmon Mountains 2407 Comment
  RSA120880  Phlox hoodii subsp. canescens G. D. Barbe 1955-8-5 363 Siskiyou Growing at the summit of the trail from Big Flat to Caribou Lake, a spot northwest of Caribou Mtn. Salmon Mountains. 2409 Comment
  UC163855  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  UC880539  Phlox speciosa subsp. occidentalis A. A. Heller 1915-7-16 12092 Siskiyou n side Mt. Eddy 1524 Comment
  CHSC75765  Phoradendron densum Vernon H. Oswald; Lowell Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  UC1039907  Phoradendron pauciflorum Geo. M. Pendleton 1917-1 Siskiyou Sisson Comment
  CAS-BOT-BC171211  Phoradendron serotinum subsp. tomentosum Carl B. Wolf 1927-8-26 1038 Siskiyou On the Klamath River, 4 mi N of Gootville Comment
  UCR219537  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  CAS-BOT-BC60771  Physaria occidentalis Peter H. Raven 1956-9-4 10424 Siskiyou Summit of Mount Eddy. 2758 Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  CAS-BOT-BC60773  Physaria occidentalis Edwin Bingham Copeland 1903-7-6 s.n. Siskiyou Cottonwood Creek, Hornbrook. Comment
  CAS-BOT-BC140604  Physocarpus capitatus John Thomas Howell 1937-7-22 13287 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA451848  Physocarpus capitatus M. B. Dunkle 1944-7-16 9113 Siskiyou Beaver Creek Camp. Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  NY30478  Picea breweriana F. M. Ownbey 1940-7-6 2205 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
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  RSA593949  Picea breweriana L. C. Wheeler 1963-8-31 8316 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  SDSU1544  Picea engelmannii D. F. Howe 1969-8-30 4680 Siskiyou Blake Creek, north fork of Salmon River, about 20 miles southwest of Aetna. 1829 Comment
  SEINET10530626  Picea engelmannii Berriman 1940-8-30 BERRIMAN UMO 135802 Siskiyou Canyon bottom; Sugar Creek, a tributary of the Scott River, Mount Diablo Meridian. 1433 Comment
  HSC1552  Pinus albicaulis J. F. Knezevich 1967-6-3 182 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  JEPS47878  Pinus albicaulis Geo. D. Butler 1908-8-5 520 Siskiyou summit next to Cold Spring Gulch (old cabin trail) Comment
  LA16840  Pinus attenuata Carl B. Wolf; 1934-7-4 5929 Siskiyou Klamath River, 0.3 mi. below Walker Creek 426 Comment
  UC705871  Pinus attenuata Marion Ownbey and Fred G. Meyer 1940-7-7 2219 Siskiyou near summit of Cayenne Ridge Marble Mountain, Cayenne Ridge Comment
  NY579172  Pinus attenuata T. charlet 1996-12-15 2350 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78403  Pinus balfouriana Richard Mc. P Brown; Robert Craig 1974-7-26 s.n. Siskiyou Klamath National Forest, Trinity Alps, Caribou Lake 2097 Comment
  JEPS88719  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
  UC1980215  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe 1972-6-23 720623 Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  CAS-BOT-BC78498  Pinus contorta subsp. murrayana Alice Eastwood s.n. Siskiyou bet. Shasta Sprgs. + Cantara Comment
  HSC31498  Pinus contorta var. murrayana Steve Selva, Roger Jensen 1974-8-16 20 Siskiyou N shore of Sugar Lake. Comment
  CAS-BOT-BC78719  Pinus jeffreyi Doris K. Kildale 1929-8-23 8801 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  CAS-BOT-BC73092  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou Metcalf's ranch at the foot of Mt. Eddy. 1188 Comment
  HSC27950  Pinus lambertiana Carl W. Mize 1972-9-23 118 Siskiyou End of road 945 Comment
  JEPS46822  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou from Scott Bar to Scott Valley (Miamber Trail); Miamber Trail Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UC70584  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  JEPS84239  Piperia unalascensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 Siskiyou ca 7 mi nne Seiad Valley (about 0.5 mi se of Red Butte, sw of Cook and Green Pass) 1730 Comment
  RSA120507  Piperia unalascensis S. S. Tillett 1956-7-9 629 Siskiyou Northwest facing slope of Scott Mountain. Trinity-Siskiyou Cos line, ca. 8 miles southeast of Callahan 1829 Comment
  POM228957  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1935-6-27 3613 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC46183  Plagiobothrys tenellus Jennifer Whipple 1977-4-30 1873 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  HSC68388  Plantago lanceolata Maralyn A. Renner 1980-6-26 1252 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC68340  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1429 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC68317  Plectritis congesta J. P. Smith 1973-5-5 6519 Siskiyou Scott Bar along the Scott River Comment
  HSC33981  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC43855  Plectritis macrocera Maralyn O'Meara 1974-5-25 378 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCR142785  Plectritis macrocera subsp. macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  RSA576933  Plectritis samolifolia Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  CAS-BOT-BC254785  Poa bolanderi 1955-7-17 218 Siskiyou Cold Spring Camp, around the spring 1889 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 Comment
  CHSC22881  Poa bulbosa Robert A. Schlising 1963-6-6 2610 Siskiyou Northern part of County; SW of Hilt, along Beaver Creek Road, near crossing of Beaver Creek. Comment
  HSC100199  Poa bulbosa J. P. Smith, J. O. Sawyer & R. J. Cole 2011-5-22 13164 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  UC450473  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Yreka (Schulmeyer's (Geo. Gray's) Ranch) Comment
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May 9 2008
  UCD90673  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Eureka. Schumacher's Ranch (Geo. Gray). Comment
  RSA732494  Poa compressa P. M. Peterson, C. J. Sears, J. M. Saarela 2006-8-8 19743 Siskiyou 6.5 miles SW of Etna on Forest Service Rd 1C-01 towards Etna Summit. 1424 Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  SEINET10655749  Poa epilis A. Arthur Heller 1921-7-17 Heller 13579 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek at about 7500 feet in the Canadian zone. Comment
  HSC65258  Poa pratensis J. P. Smith 1973-5-5 6427 Siskiyou Along Cook and Green Pass Rd. Comment
  UCD91851  Poa pratensis Geo. D. Butler 1908-6-25 478 Siskiyou near Greka. Comment
  UC149785  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock June, 1903 4064 Siskiyou Sisson; Sierra Nevada Mts, Mt Shasta 1066 Comment
  HSC2386  Poa pringlei William J. Ferlatte 1966-8-4 301 Siskiyou Dorleska summit 2134 Comment
  RSA238331  Poa pringlei Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  UCD91773  Poa pringlei A. H. Murphy 1958-8-6 58 L Siskiyou Klamath National Forest. Second Valley Marble Mountains. 2255 Comment
  SEINET11683992  Poa pringlei C. G. Pringle 1882-1 s.n. Siskiyou about the headwaters of Sacramento River 2438 Comment
  UCD105959  Poa secunda Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  CAS-BOT-BC243241  Poa secunda subsp. secunda Gilbert J. Muth 1969-8-6 1213 Siskiyou Boulder Peak Comment
  CHSC88405  Poa secunda subsp. secunda Jenny Marr 1993-7-1 164 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC74868  Poa secunda subsp. secunda J. P. Smith, Jennifer Whipple 1978-7-2 9988 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS74522  Poa secunda subsp. secunda W. J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin; Trinity alps 1676 Comment
  JEPS84093  Poa secunda subsp. secunda L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6438 Siskiyou ca 5 mi n Seiad Valley town (e slope of Kangaroo Mt, cirque head of Hell's Canyon) 1828 Comment
  UC1265426  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou at bnase of precipice at Abbotts Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1798 Comment
  HSC39632  Poa wheeleri J. P. Smith, J. O. Sawyer 1972-6-30 5647 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  POM230563  Polemonium californicum J. T. Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  JEPS69889  Polemonium carneum Geo. D. Butler 1909-4-28 737 Siskiyou McAdams Creek Comment
  UC52663  Polemonium carneum W. P. Gibbons Aug 1896 a 2 Siskiyou <?>town Comment
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Nov 26 2011
  JEPS91171  Polemonium eddyense Dean W. Taylor 1988-7-10 9962 Siskiyou Summit of Mt. Eddy ridge 2750 Comment
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  CAS-BOT-BC231351  Polemonium pulcherrimum John Thomas Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC231357  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC74172  Polyctenium fremontii H. D. Thiers 1969-5-5 23307 Siskiyou Red Rock Valley, north of Mount Shasta off Highway 97 between Weed and Dorris. Comment
  JEPS83035  Polyctenium fremontii var. fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou 0.8 mi. s. of Bray junction on U.S. Hwy. 97 Murphy Wells 1493 Comment
  UCR5684  Polygala cornuta O. F. Clarke 1966-8-6 660806- 01 Siskiyou 18 mi. north of Castella on turn out 1162 Comment
  RSA96064  Polygala cornuta var. cornuta Percy C. Everett, E. K. Balls 1954-10-10 20260 Siskiyou Highway 89, 6.8 miles west of McCloud on road to the town of Mt. Shasta 1174 Comment
  JEPS51312  Polygonum aviculare subsp. aviculare W. L. Jepson 1894-7 Siskiyou Sisson Comment
  RSA273321  Polygonum buxiforme J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  CAS-BOT-BC414591  Polygonum douglasii John Thomas Howell 1937-7-21 13165 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC414597  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  UC850385  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  RSA598060  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1963-9-2 8331 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  UC164405  Polygonum lapathifolium Geo. D. Butler 1908-7-8 191 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC418597  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  HSC2397  Polygonum minimum William J. Ferlatte 1966-8-18 417 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  CAS-BOT-BC418591  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC420069  Polygonum polygaloides subsp. kelloggii Wm. Bridge Cooke 1939-7-13 13653 Siskiyou Mount Shasta. Portion of Squaw Valley Creek Meadows Comment
  CAS-BOT-BC420070  Polygonum polygaloides subsp. kelloggii Gilbert Muth 1966-7-19 425 Siskiyou Marble Mts. 1798 Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC28660  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  CAS-BOT-BC421077  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Cr. 1005 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  CAS-BOT-BC232929  Polypogon Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, W of Callahan 1463 Comment
  HSC79154  Polystichum imbricans C. J. Thomas 1983-10-1 104 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CAS-BOT-BC76727  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-7-20 8726 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC76775  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou Near Sisson Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  UC922425  Polystichum lemmonii Annie M. Alexander and Louise Kellogg 1949-7-29 5892 Siskiyou top of ridge above Sky High Lake; Marble Mts., Sky High Valley 1920 Comment
  CAS-BOT-BC482451  Polystichum lonchitis Dana York 2011-8-13 3060 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  HSC79131  Polystichum lonchitis C. J. Thomas 1983-10-1 87 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  UC1877814  Polystichum lonchitis J. C. Game with Jeff Greenhouse, Jim Shevock 2004-7-9 5074 Siskiyou on the side of Gray Rock Lake, above the lake, about five miles NW of Castle Crags 1844 Comment
  RSA237509  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1875 Comment
  HSC61124  Polystichum munitum Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  CAS-BOT-BC72500  Polystichum scopulinum W. R. Maxon 1939-7-26 13744 Siskiyou above Panther Creek Meadows 2743 Comment
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  HSC66086  Polystichum scopulinum M. Sacks 1977-10-4 16 Siskiyou S facing slope, N side of main rd. between Callahan and Cecilville, 6 mi. SW of Callahan 1463 Comment
  UC1481732  Polystichum scopulinum Lefebvre 1941-10-4 Siskiyou trail from Castle Lake to Little Castle Lake Comment
  UC163719  Portulaca oleracea Geo. D. Butler 1908-7-15 1061 Siskiyou near Yreka Comment
  HSC30478  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-21 1473 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  HSC67610  Potamogeton crispus J. P. Smith, Steve Selva 1970-7-16 4380 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC61052  Potamogeton natans W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  HSC69382  Potamogeton natans Maralyn A. Renner 1980-8-4 2207 Siskiyou Flint Valley 1390 Comment
  HSC103152  Potamogeton robbinsii Dana York 2014-10-11 3227 Siskiyou Klamath National Forest, Marble Mountain Wilderness, in Deep Lake. 1929 Comment
  HSC90589  Potentilla breweri Jennifer Whipple 1976-7-1 1241 Siskiyou Near Durney Lake 2073 Comment
  RSA215633  Potentilla breweri var. breweri Gilbert Muth 1969-8-8 1275 Siskiyou Boreal meadow, Boulder Peak ridge in subalpine forest. 2287 Comment
  RSA237618  Potentilla breweri var. breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake trail. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  UC1560736 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2120 Siskiyou e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. SE Quad., e of Cory Peak, Cabin Meadow Creek 2194 Comment
  RSA261500  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  CAS-BOT-BC143263  Potentilla flabellifolia John Thomas Howell 1939-8-9 15230 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  JEPS80544  Potentilla fruticosa Gilbert Muth 1965-8-12 217 Siskiyou backside of Black Mountain , backside of Black Mountain (Marble Mt. Wilderness Area) 2072 Comment
  CAS-BOT-BC540548  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Along a creek near the Castle Lake Road 1524 Comment
  HSC78221  Potentilla gracilis var. fastigiata L. P. Janeway 1983-8-28 628 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  CAS-BOT-BC158534  Potentilla millefolia David D. Keck 1949-7-19 6345 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  SEINET13710513  Potentilla millefolia Lowell William Ahart, Lowell William Ahart 1998-1 9342 Siskiyou Me of Weed and E of Grass Lake on S Side of Tennant Rd. 0.2 Mi. of Old State Hwy. to Bray (T44N, R1W, sec 30, SE 1/4) 4600 Ft. 1402 Comment
  CAS-BOT-BC516392  Prosartes hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11750 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  HSC120  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS44721  Prunus emarginata W. L. Jepson 1940-6-28 20058 Siskiyou McCloud 975 Comment
  OBI36627  Prunus emarginata David J. Keil 1983-7-3 17382 Siskiyou Sloes of Mt Shasta along Memorial hwy Comment
  POM88583  Prunus emarginata Edward Palmer 1892-7-13 2563 Siskiyou Mount Shasta and vicinity Comment
  RSA211180  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat 1524 Comment
  UC629770  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 mi n of Dunsmuir 914 Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  HSC100863  Prunus subcordata J. P. Smith, J. O. Sawyer 2010-5-6 12815 Siskiyou Along Road 9KO2, N of Irongate Reservoir. 755 Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  CAS-BOT-BC357394  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  JEPS95317  Pseudognaphalium stramineum Vernon H. Oswald and L. Ahart 1994-8-10 6451 Siskiyou T40N R2W NE1/4 NE1/4 Sec. 27, 3600 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud 1097 Comment
  HSC19088  Pseudostellaria jamesiana J. O. Sawyer 1969-7-18 1392 Siskiyou Head of S Russian Creek 1829 Comment
  UC1409221  Pseudotsuga menziesii var. menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou on ridge above Hell Hole near Hancock Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  RSA184807  Pteridium aquilinum var. pubescens Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  CHSC1418  Pterospora andromedea 1936-7-14 Siskiyou Black Butte 1158 Comment
  JEPS82432  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  CHSC8611  Purshia tridentata G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles e of Fort Jones. 1371 Comment
  UCD113276  Purshia tridentata var. tridentata K. M. Meyer; A. Townesmith 2007-8-2 184 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
  CAS-BOT-BC147913  Purshia tridentata var. tridentata Ella Dales Cantelow 1940-6-2 4311 Siskiyou W. of Indian Wells Ranger Station Comment
  HSC99616  Pyrola aphylla J. O. Sawyer 1969-7-11 856 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC466285  Pyrola asarifolia R. F. Thorne 1969-8-23 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in teh vicinity of English Peak; trail to upper English Lake along Salmon River 1159 Comment
  UC412676  Pyrola asarifolia Annie M. Alexander and Louise Kellogg 1911-8-23 342 Siskiyou Castle S. Siskiyou County 1656 Comment
  CAS-BOT-BC462797  Pyrola dentata L. E. Smith 1913-6-29 438 Siskiyou Mt. Eddy Comment
  HSC22456  Pyrola dentata J. O. Sawyer 1969-9-11 2034 Siskiyou Midslope above C.C.C. Rd. 1280 Comment
  JEPS93912  Pyrola picta Vernon H. Oswald and Lowell Ahart 1998-8-3 9432 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC466138  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  CAS-BOT-BC466140  Pyrola picta L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  CDA8519  Pyrrocoma racemosa var. congesta T. C. Fuller 1958-8-13 Siskiyou Scott Valley, 5 miles south of Ft. Jones. 0 Comment
  JEPS97186  Pyrrocoma racemosa var. pinetorum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95022 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District Comment
  RSA44901  Pyrrocoma racemosa var. pinetorum J. C. Roos 1948-9-1 3954 Siskiyou Near Fort Jones. 854 Comment
  CAS-BOT-BC68644  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 b Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC27242  Quercus garryana J. P. Smith, J. O. Sawyer 1971-9-18 4815 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC68205  Quercus garryana Steve Selva, J. P. Smith 1970-7-16 4338 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS37936  Quercus garryana W. L. Jepson 1907-7-22 2950 Siskiyou near Hamburg (w Siskiyou County); Klamath River Comment
  UC767803  Quercus garryana Wm. H. Brewer 1862-1 1462 Siskiyou near Shasta Comment
  RSA237386  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Due NNW of Tobacco Lake and west of the west cove of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1408908  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou slope above English Lake (about halfway up to Diamond Lake, along the trail from Engish Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  UCD14454  Quercus garryana var. breweri John M. Tucker 1972-8-8 4245 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  HSC65556  Quercus sadleriana R. S. White 1977-6-20 87 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  UCD47233  Quercus sadleriana Rimo Bacigalupi; L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez 1951-6-16 3454 A Siskiyou About 1.5 miles below and southeast of saddle at summit of Takilma-Happy Camp Road, Siskiyou County. Comment
  UCD47237  Quercus sadleriana Gilbert Jerome Muth; J. M. Tucker 1972-8-8 1796 Siskiyou Near Elk Peak, Siskiyou County, California. Scott Bar Quad. 110 mm from bottom margin, 0 mm from left margin. SLID No. 6935, Heb Acc. No. 00011251. 1828 Comment
  UCD47244  Quercus sadleriana John M. Tucker 1972-8-8 4246 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  UCD59190  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou East of Cook and Green Pass 1524 Comment
  CAS-BOT-BC104621  Quercus vacciniifolia Doris K. Kildale 1928-8-20 6587 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC104627  Quercus vacciniifolia Peter H. Raven 1956-9-5 10468 Siskiyou North Fork of Sacramento River 1371 Comment
  CAS-BOT-BC104632  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  HSC68525  Quercus vacciniifolia Maralyn A. Renner 1980-6-23 999 Siskiyou W Fork Seiad Creek 878 Comment
  UC455271  Quercus vacciniifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  SEINET11805954  Raillardella pringlei C. G. Pringle 1882-1 s.n. Siskiyou head of Sacramento River Comment
  UC444423 Image available Raillardella pringlei C. A. Pringle 1882-8-19 Siskiyou Headwaters of the Sacramento River. 2286 Comment
  CDA24299  Ranunculus aquatilis var. subrigidus J. R. Grisham 1960-6-28 Siskiyou Abrams Lake, Mt. Shasta. 0 Comment
  JEPS55076  Ranunculus flammula W. L. Jepson 1894-1 Siskiyou near Muir's Peak; Sisson Comment
  HSC40655  Ranunculus occidentalis var. occidentalis J. P. Smith, Steve Selva 1970-6-16 4023 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UC870845  Rhamnus californica A. A. Heller 1916-7-22 12490 Siskiyou e side Mt. Eddy Comment
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  RSA0005516  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1098 Comment
  RSA7808  Rhamnus purshiana Doris K. Kildale 1928-8-20 6634 Siskiyou Trail betw English Lake and Finleys upper Camp trail to Marble Mt. Comment
  HSC100078  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-7 1079 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  JEPS58760  Rhododendron occidentale W. L. Jepson 1914-8-14 6165 Siskiyou Dunsmuir 670 Comment
  HSC26749  Rhus aromatica J. P. Smith, J. O. Sawyer 1971-9-18 4824 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC41074  Rhus aromatica J. O. Sawyer 1970-3-4 2077 Siskiyou N of Idlewild Campground. 762 Comment
  UC585101  Rhus trilobata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1951 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on hwy from Bray to Weed); Mt. Shasta 1249 Comment
  UC160397  Ribes I. J. Condit 1911-7-22 Siskiyou Shasta trail 1676 Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  HSC22487  Ribes binominatum J. O. Sawyer 1969-7-2 998 Siskiyou S facing midslope above Paynes Lake 1966 Comment
  HSC69495  Ribes cereum J. O. Sawyer, J. Cole 1980-7-19 3687 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  UC1540006  Ribes cereum M. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cave (close to road); Lava Beds National Monument 1402 Comment
  RSA0024867  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 miles north of Weed, on US Highway 97. Comment
  JEPS95064  Ribes cereum var. cereum Vernon Oswald and Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat (3.9 mi s of Medicine Lake Road); Forest Route 15 1700 Comment
  HSC100038  Ribes inerme var. klamathense J. P. Smith, & J. O. Sawyer 2010-5-6 12824 Siskiyou Along Rd. 92K02, E of Copco. 823 Comment
  CAS-BOT-BC173290  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11752 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC1222377  Ribes lacustre Joseph P. Tracy 1951-6-16 19498 Siskiyou near State Line (summit of Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  CAS-BOT-BC173393  Ribes lobbii David D. Keck 1938-8-6 4814 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  JEPS49354  Ribes lobbii W. L. Jepson 1902-7-22 2093 Siskiyou trail from Salmon Forks; Salmon Summit 1676 Comment
  SBBG26908  Ribes lobbii J. T. Howell 1939-8-4 Siskiyou near Spirit Lake, Marble Mtns 1828 Comment
  UC165921  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackelford Creek Comment
  UC455590  Ribes lobbii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  UC570823  Ribes lobbii Dorothy Tebbe 1929-6-12 15 Siskiyou White's Gulch Salmon Mountains Comment
  RSA0021149  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley. Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  CAS-BOT-BC212485  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC219263  Ribes nevadense H. E. Brown 1897-7-15 586 Siskiyou S side of Mount Shasta 3048 Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  JEPS82696  Ribes nevadense Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow) 1912 Comment
  UC796518 Image available Ribes nevadense Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11802 Siskiyou s Callahan (on Scott Mountain Road at Mule Creek crossing) 1493 Comment
  UC921814 Image available Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  CDA25572  Ribes roezlii var. cruentum T. C. Fuller 1962-8-3 9520 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  RSA0024593  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Next basin east of Salamander Pond, Abbotts Lake basin. High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1768 Comment
  JEPS49241  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackelford Creek 1676 Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  CAS-BOT-BC173900  Ribes velutinum Elmer I. Applegate 1935-6-5 9328 Siskiyou Modoc Stronghold, Lava Beds National Monument Comment
  UCR17261  Ribes velutinum Frank C. Vasek 1975-6-29 750629- 03 Siskiyou 4.3 mi SW of Gazelle Comment
  SEINET10627997 Image available Ribes velutinum A. Arthur Heller 1905-6-9 Heller 8005 Siskiyou Yreka. Comment
  CAS-BOT-BC168791  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168797  Ribes viscosissimum H. A. Thomas; J. H. Thomas 1954-7-24 4488 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  HSC61946  Ribes viscosissimum Ruby Van Deventer 1959-7-6 Siskiyou Poker Flat 1585 Comment
  RSA0020921  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mountains. 1814 Comment
  CDA25592  Ribes viscosissimum var. hallii Jennifer Whipple 1976-6-19 1063 Siskiyou Klamath Mountains; Dale Creek drainage on the north face of Mount Eddy. Comment
  UC1409439  Rorippa Frederick W. Oettinger 1969-7-29 1096 Siskiyou high lake basins in the vicinity English Peak (Drying area, Dry Lake, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1889 Comment
  CHSC86437  Rorippa columbiae Jenny Marr 1993-7-1 91 Siskiyou Butte Valley Wildlife Area, SE of Meiss Lake, +/- 3 mi E of McDoel. Dept of Fish and Game land. Marsh. 1371 Comment
  CDA25109  Rorippa columbiae G. Deal 1964-8-14 Siskiyou Havalina property, north of city limits of Tulelake. 0 Comment
  CAS-BOT-BC75022  Rorippa palustris var. hispida Louis C. Wheeler 1934-9-15 3260 Siskiyou Siskiyou Mountains. Walker, Klamath River. 518 Comment
  JEPS95670  Rosa canina Vernon H. Oswald and Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi SE of Gazelle-Callahan Hwy. 1508 Comment
  UC1871380  Rosa nutkana subsp. macdougalii Barbara Ertter 2006-7-30 18739 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  CAS-BOT-BC6001  Rosa pisocarpa E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy 1463 Comment
  HSC27034  Rosa pisocarpa J. P. Smith, J. O. Sawyer 1972-9-14 5811 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  HSC44578  Rosa pisocarpa Laura Witherspoon 1977-7-30 Siskiyou W edge of Flint Valley 1341 Comment
  SBBG27224  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Bear Crk off W fork Beaver Crk 1767 Comment
  SBBG50769  Rubus lasiococcus J. M. Tucker, D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  CAS-BOT-BC147978  Rubus leucodermis Wm. Bridge Cooke 1938-7-22 11351 Siskiyou Sisson Southern Trail - Mount Shasta 1676 Comment
  HSC36468  Rubus leucodermis J. O. Sawyer 1969-7-11 849 Siskiyou Ravine above C.C.C. road. 1280 Comment
  RSA245274  Rubus macropetalus Carl W. Mize 1972-6-8 37 Siskiyou Forks of Salmon quad. By Wooley Creek. 335 Comment
  JEPS44738  Rubus parviflorus W. L. Jepson July 1894 13879 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  CAS-BOT-BC156598  Rubus ulmifolius A. M. Vollmer; L. Beane 1951-6-2 49 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  HSC68414  Rubus ursinus Maralyn A. Renner 1980-7-4 1405 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC92181  Rudbeckia klamathensis Jennifer Whipple 1977-8-6 2208 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  UCD101073  Rumex acetosella John M. Tucker 1974-7-28 4316 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  RSA126337  Sagina decumbens subsp. occidentalis I. L. Wiggins 1955-7-22 13445 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC1190183  Sagina saginoides Ira L. Wiggins 1955-7-22 13445 Siskiyou 9.5 mi. above Cecilville (S. Fork Salmon R.); S. Fork Salmon R. 1066 Comment
  UC166122  Sagina saginoides Geo. D. Butler 1908-8-7 48 Siskiyou lake at head of W. Fork Woolly Creek Comment
  HSC29617  Sagina saginoides Frederick W. Oettinger 1969-9-5 1688 Siskiyou Marble Mtn. Wilderness Area, S side of Davis Mt., Abbotts Lake region 1677 Comment
  POM313042  Sagittaria cuneata Malcolm A. Nobs, Calvin McMillan 1949-6-17 799 Siskiyou Grass Lake, Highway 97. Comment
  RSA0038339  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  UC576372  Salix jepsonii Mrs. H. P. Bracelin 1937-7-24 872 Siskiyou Webber's Camp Upper Caribou Lake; Trinity Alps 2042 Comment
  CAS-BOT-BC125451  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  CAS-BOT-BC125457  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125461  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125467  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  JEPS13070  Salix lasiandra var. lasiandra Geo. D. Butler 1908-7-9 523 Siskiyou Butler Ranch Yreka Comment
  CAS-BOT-BC107076  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  UC375232  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek Comment
  CAS-BOT-BC124535  Salix lasiolepis var. lasiolepis L. E. Smith 1914-4-26 647 Siskiyou near Dunsmuir Comment
  SBBG29077  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km NW of Shasta City, on edge of stream above Metcalf ranch house; NE side of Mount Eddy 1455 Comment
  SBBG57825  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  CAS-BOT-BC129028  Salix scouleriana Arthur L. Menzies 1962-7-1 s.n. Siskiyou Copper Butte near Cook & Green Pass north of Seiad Valley, Siskiyou Mts. Comment
  LA208916  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City; at bridge, about 1.3 km E of Burney Mill 1110.0 Comment
  OBI70521  Salix scouleriana D. G. Kelch, Marianne Cabot 2008-8-12 s.n. Siskiyou Ft. Jones, 6711 Mill Creek rd Comment
  POM107274  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek. Comment
  UC576386  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 862 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at first bridge, n. base Mt. Eddy); n. base Mt. Eddy Comment
  UC576392  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 859 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e of Burney Mill, at 2nd. bridge, n. base of Mt. Eddy); Mt. Eddy 1127 Comment
  JEPS84287  Salix sitchensis L. R. Heckard with S. D'Alcamo, J. Hickman, and W. Roderick 1986-7-16 6396 Siskiyou ca. 5.5 mi n Seiad Valley town (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1740 Comment
  RSA17697  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-7 9408 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC19413  Sambucus racemosa var. melanocarpa J. O. Sawyer 1968-7-23 592 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC39211  Sanicula bipinnatifida J. P. Smith 1976-5-4 8654 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  UC1258448  Sanicula graveolens Maralyn A. Renner 1980-7-23 1831 Siskiyou about 1 mi e of Cook and Green Pass ( Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  RSA471483  Sanicula graveolens M. B. Dunkle 1944-6-27 9043 Siskiyou Siskiyou Natl. Forest Comment
  HSC26222  Sanicula tuberosa J. P. Smith, J. O. Sawyer 1972-5-27 5347 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA211474  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the south fork of the Salmon River between the campground and Carter s 1524 Comment
  SD79816  Saponaria officinalis Helen V. Witham 1969-10-7 580 Siskiyou Along Scott River. 500 Comment
Read comments
Jul 10 2010
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  CDA8574  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  CHSC114398  Saussurea americana D. H. Shaw; T. C. Fuller 1974-9-24 20045 Siskiyou S.W. slope of White Mtn., Siskiyou Mts. Comment
  RSA211161  Saxifraga odontoloma William J. Ferlatte 1967-8-20 1059 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  POM354593  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  SEINET7592337 Image available Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1290 Siskiyou High lake basins in the vicinity of English peak marble mountain wilderness area 1829 Comment
  UC185014  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka (dry hill); near Yreka Comment
  POM211436  Scirpus microcarpus L. C. Wheeler 1934-9-22 3300 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  HSC4158  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley 884 Comment
  CDA2412  Sclerochloa dura C. S. Giebner 1963-5-6 Siskiyou Shasta Valley; Sedge Nelson property, opposite Game Refuge, Big Springs. 0 Comment
  UC1174939  Scrophularia californica P. C. Everett and E. K. Balls 1959-10-23 23939 Siskiyou 4 mi sw Etna (on rd from Callaban to Somesbar); Salmon Mts 1676 Comment
  HSC27105  Scutellaria antirrhinoides Carl W. Mize 1972-6-21 57 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  POM70364  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek. 1220 Comment
  SD98954  Scutellaria antirrhinoides Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek, Scott Mountains. 1219 Comment
  SEINET13709498  Scutellaria galericulata Lowell William Ahart, Lowell William Ahart 1998-1 9350 Siskiyou NE of Weed and S of Macdoel in An Area of Marshes and Wet Meadows along Old State Hwy on The W Side of Bray (T44N, R1W, sec 20, SE 1/4) 1417 Comment
  RSA445344  Scutellaria siphocampyloides Bonnie C. Templeton 1960-6-21 8539 Siskiyou Between Callahan and the summit of Scott mts. Comment
  CHSC118262  Sedum kiersteadiae Peter F. Zika 2013-6-28 26289 Siskiyou Route 26, 0.6 air km WNW of Gumboot Lake, Kalmath Range (KR) 1960 Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC64648  Sedum obtusatum subsp. boreale Alice Eastwood 1923-5-23 s.n. Siskiyou Cantara, S.P.R.R. Comment
  HSC19526  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-10 480 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  RSA0083651  Sedum oregonense Clare B. Hardham 1961-7-1 8132 Siskiyou Siskiyou Mts. 1829 Comment
  JEPS83985  Sedum stenopetalum L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6485 Siskiyou w ridge Copper Butte (e of Cook and Green Pass); w ridge Copper Butte, e of Cook and Green Pass 1554 Comment
  UCR143036  Selaginella densa var. scopulorum L. C. Wheeler 1934-8-14 3122 Siskiyou Klamath Ranges; Siskiyou Mountains, 0.5 mile west of White Mountain 1921 Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  JEPS109257  Senecio fremontii var. fremontii D. W. Taylor 2002-7-29 18284 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  HSC90546  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-19 1067 Siskiyou N-facing slopes in the Eddy Creek drainage 2195 Comment
  CAS-BOT-BC364045  Senecio integerrimus var. major J. H. Thomas 1954-5-13 4137 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC77282  Senecio triangularis L. P. Janeway 1983-7-6 386 Siskiyou Small tributary to Indian Creek 1037 Comment
  RSA237594  Sibbaldia procumbens Frederick W. Oettinger 1969-9-3 1608 Siskiyou Shasta Ridge N below English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 2195 Comment
  CAS-BOT-BC205789  Sidalcea oregana Annie M. Alexander; Louise Kellogg 1949-7-23 5852 Siskiyou At Sky High Valley, Paradise Lake, Marble Mountains 1920 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-BC181184  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Road Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  HSC58861  Silene grayi Marvin Butler 1971-7-11 92 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  HSC69515  Silene grayi John Palmer 1980-7-24 653 Siskiyou Dillon Divide 1707 Comment
  RSA145075  Silene grayi P. A. Munz 1960-8-22 24188 Siskiyou Panther Meadows, Mount Shasta. 2530 Comment
  UC722526  Silene grayi C. L. Hitchcock, J. S. Martin 1939-7-6 5227 Siskiyou California on Takilma-Happy Camp road peak above and n of Divide of Siskiyou Mts. (peak above and n of Divide of siskiyou Mts.) Comment
  JEPS50989  Silene lemmonii Willis L. Jepson 1894-8-4 Siskiyou Sisson , , Camp 1 (Mt. Shasta) Comment
  UC1212577  Silene lemmonii Francia Chisaki, Helen K. Sharsmith 1959-8-20 4735 Siskiyou Canyon of Scott River before reaching Carrigher's Summit and divide between Scott River and East Fork Salmon River; Inner North Coast Ranges, Canyon of Scott River 1828 Comment
  CAS-BOT-BC94426  Silene menziesii R. C. Wenk 2005-7-16 254 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  CAS-BOT-BC175054  Silene suksdorfii Wm. Bridge Cooke 1938-9-8 11648 Siskiyou North side of Red Butte Comment
  CAS-BOT-BC389910  Silene vulgaris R. S. Richards 1967-6-15 s.n. Siskiyou Hwy 3, 1 mi. s. of Etna Comment
  CHSC2211  Sisyrinchium bellum M. Yoder 1941-7-12 Siskiyou Castle Lake 1981 Comment
  UC429239  Smilacina racemosa Annie M. Alexander and L. Kellogg 1911-6-21 167 Siskiyou Jackson L. 2194 Comment
  SEINET3992500  Smilacina stellata J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 air miles E. of Sawyer's Bar, Salmon Mounatains 1615 Comment
  UC336536  Smilax californica unknown Jul. 1878 Siskiyou near Shasta Comment
  RSA237942  Smilax jamesii Frederick W. Oettinger 1968-9-8 780 Siskiyou Outlet of English Peak. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  RSA293120  Solidago canadensis subsp. elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8963 Siskiyou Half a mile north of Siskiyou-Trinity County line on State Route 3. Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  HSC18907  Sorbus scopulina J. O. Sawyer 1968-6-18 203 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  UC466718  Sorbus scopulina H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  SEINET11919140  Sorbus scopulina J. P. Tracy 19478 Siskiyou in openings in woods,summit of the Siskiyous at crossing of the Takilma-Happy Camp Road 244 Comment
  LA208276  Sorbus sitchensis W. B. C.; 1939-6-30 13576 Siskiyou Mount Shasta, Along the Sisson Southern Trail 1981 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CHSC1608  Spiraea densiflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC149681  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC149687  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  HSC18899  Spiraea douglasii J. O. Sawyer 1968-6-25 307 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC18903  Spiraea douglasii J. O. Sawyer 1968-6-18 246 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC18954  Spiraea douglasii J. O. Sawyer 1969-7-7 1088 Siskiyou Little Duck Lake 1966 Comment
  HSC29386  Spiraea douglasii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1213 Siskiyou Marble Mtn. Wilderness Area, Young's Cabin on English Lake trail towards Abbotts 1463 Comment
  JEPS45019  Spiraea douglasii W. L. Jepson Jul 1894 13855 Siskiyou Sisson Comment
  POM210937  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  JEPS78185  Spiraea douglasii Gary W. Zamzow 1972-7-20 97 Siskiyou 28.8 mi nw Highway 89 junction with Highway 299 (growing beside Highway 89) 1158 Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC18969  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-7-11 857 Siskiyou Ravine above C.C.C. road. 1280 Comment
  POM312344  Stellaria longipes H. L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  RSA576948  Stellaria media subsp. pallida L. C. Wheeler 1934-6-19 2736 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  RSA264968  Stenanthium occidentale G. L. Clifton 1975-7-29 6042 Siskiyou Near Copper Butte 1329 Comment
  UC922494  Stenanthium occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC516471  Stenanthium occidentale Annie M. Alexander; Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake, Marble Mountains 2072 Comment
  CAS-BOT-BC375646  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson Comment
  UC60926  Stephanomeria paniculata Geo. B. Grant Sept 1902 5064 Siskiyou Dunsmuir Mount Shasta 609 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC58564  Stipa occidentalis var. occidentalis G. L. Clifton, Griswold 1979-7-26 10129 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC87861  Streptanthus tortuosus Gilbert J. Muth 1969-8-8 1300 Siskiyou Boulder Peak Ridge. 2286 Comment
  CAS-BOT-BC87863  Streptanthus tortuosus Carl B. Wolf 1934-7-6 6022 Siskiyou Southwest slope of Mount Shasta. 0.5 mile south of trail to Horse Camp. 1524 Comment
  CAS-BOT-BC87872  Streptanthus tortuosus D. E. Breedlove 1962-6-11 3355 Siskiyou At base of Black Butte along U.S. Highway 99, 4 miles south of Weed. 1188 Comment
  CHSC4560  Streptanthus tortuosus J. E. Bowlin 1967-7-18 67 Siskiyou On roadside, ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  UC1492824  Streptanthus tortuosus Freed W. Hoffman 1951-7-14 4044 Siskiyou along Hwy 99 5.6 mi n Shasta Comment
  UC648312  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC44708  Streptanthus tortuosus var. tortuosus J. O. Sawyer, E. Cope 1977-6-18 2922 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  UCD78031  Streptopus amplexifolius var. americanus Robert E. Preston 2001-8-26 1755 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1767 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  HSC62129  Suksdorfia ranunculifolia Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  JEPS44096  Swertia albicaulis var. albicaulis W. B. and V. G. Cooke 1965-7-12 35174 Siskiyou Bolam Road Mt. Shasta Comment
  HSC82559  Swertia albicaulis var. albicaulis Thomas W. Nelson, Jane P. Nelson 1979-5-26 4720 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC45155  Swertia albicaulis var. nitida J. O. Sawyer, E. Cope 1977-6-19 2951 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC68027  Swertia albicaulis var. nitida J. P. Smith, Steve Selva 1970-7-15 4359 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC269620  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 762 Comment
  CHSC56532  Symphoricarpos albus var. laevigatus L. P. Janeway 1984-6-21 860 Siskiyou South side of Klamath River just east of Humbug Point. 594 Comment
  HSC60124  Symphoricarpos albus var. laevigatus M. A. Baker 1977-6-27 386 Siskiyou Happy Camp. Comment
  RSA1889  Symphoricarpos albus var. laevigatus C. B. Wolf 1930-10-22 1010 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  UC163750  Symphoricarpos albus var. laevigatus Geo. D. Butler 1910-8-1 1808 Siskiyou Yreka Creek 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
  UC102265  Symphoricarpos mollis Brandegee Jul 1887 Siskiyou Upper Soda Spring Comment
  POM67558  Symphoricarpos vaccinioides Edward Palmer 1892-7-13 2560 Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC97617  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Dampland Edgewood Comment
  CAS-BOT-BC97880  Symphyotrichum eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC97885  Symphyotrichum eatonii Alice Eastwood 1921-7-31 11026 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97886  Symphyotrichum eatonii Alice Eastwood 1922-10-18 11513 Siskiyou Shasta Springs Comment
  CAS-BOT-BC98442  Symphyotrichum spathulatum E. B. Copeland 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  HSC67634  Tamarix parviflora J. P. Smith 1976-5-4 8665 Siskiyou Hwy. 96, 1 mi. E of Klamath National Forest Boundary, along Klamath River. 610 Comment
  CHSC91244  Taraxacum officinale Lowell Ahart; John Dittes 2005-6-10 12081 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CDA7682  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2611 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC77561  Taraxacum officinale L. P. Janeway 1983-7-10 407 Siskiyou Poker Flat 1524 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CAS-BOT-BC85240  Taxus brevifolia Doris K. Kildale 1928-7-3 5457 Siskiyou 8 miles east of Forks of Salmon on road to Sawyers Bar Comment
  CAS-BOT-BC85245  Taxus brevifolia Doris K. Kildale 1929-5-12 7784 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  CAS-BOT-BC85246  Taxus brevifolia Doris K. Kildale 1929-5-11 7719 Siskiyou Cecilville, South fork of Salmon River Comment
  HSC18879  Taxus brevifolia J. O. Sawyer 1968-9-11 701 Siskiyou Slopes above Twin Valley 1463 Comment
  RSA237817  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Northeastern side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC275506  Taxus brevifolia Frank A. Graham 1923-10-12 Siskiyou head of Knownothing Creek; Salmon Mts., Knownothing Creek 1828 Comment
  UC903493  Taxus brevifolia Dorothy Parker 1945-4-30 Siskiyou along banks Kidder Creek (Scott Valley); , along banks of Kidder Creek 853 Comment
  HSC29461  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1860 Comment
  SD88458  Tellima grandiflora Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State line on road to Happy Camp 1707 Comment
  UC449662  Tetradymia glabrata H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  POM100448  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackleford Creek. 1220 Comment
  JEPS60729  Thalictrum fendleri var. polycarpum Geo. D. Butler 1908-8-9 359 Siskiyou near Shackelford summit; Wooly Creek 1767 Comment
  CAS-BOT-BC399880  Thalictrum polycarpum G. Muth 1966-7-17 408 Siskiyou Marble Valley Comment
  SBBG70248  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  UC1083162  Thelypodium brachycarpum H. L. Mason 1931-5-9 5874 Siskiyou 4 mi n Dunsmuir Comment
  UC1560409  Thelypodium flexuosum E. Joyal and D. Mehlman 1988-6-25 1278 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
Read comments
Jan 14 2009
  UCD108595  Thermopsis gracilis A. A. Heller 1919-6-20 13250 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  UC1222602  Thermopsis robusta Joseph P. Tracy 1950-7-18 19220 Siskiyou Prospect Hill 1219 Comment
  JEPS81878  Thlaspi montanum var. montanum Roger Raiche 1982-7-3 20525 Siskiyou ne slope Mt. Eddy (Mt. Eddy); nw slope Mt. Eddy 1981 Comment
  JEPS82688  Thlaspi montanum var. montanum Wayne Roderick 1984-6-5 Siskiyou above Castle Lake (ca 12 air km sw of Mt. Shasta city); above Castle Lake 1981 Comment
  UC1483564  Thlaspi montanum var. montanum Maralyn A. Renner 1980-6-26 1153 Siskiyou Flint Valley , Dillon Mtn. Quad., Flint Valley (Klamath National Forest) 1389 Comment
  CAS-BOT-BC66797  Thysanocarpus curvipes Alice Eastwood; John Thomas Howell 1936-6-13 2761 Siskiyou Junction of Klamath and Shasta rivers. Comment
  RSA378166  Tofieldia glutinosa subsp. occidentalis M. B. Dunkle 1945-7-24 9251 Siskiyou Klamath National Forest, Marble Mountains; Dad s Pocket Comment
  JEPS31007  Tonella tenella D. E. Breedlove 1962-6-10 3283 Siskiyou 22.0 mi nw Happy Camp (on sw slope of Little Grayback Mountain, along Indian Creek Road from O'Brien to Happy Camp); Siskiyou Mountains, Little Grayback Mountain 1524 Comment
  HSC30688  Torreyochloa erecta Frederick W. Oettinger 1969-9-1 1582 Siskiyou Marble Mtns. Wilderness Area, between Bear Meadow and English Peak. 2027 Comment
  HSC46950  Tragopogon dubius William J. Ferlatte 1974-7-16 1550 Siskiyou Big Flat near South Fork of the Salmon River, 100 yds. W of campground 1524 Comment
  CAS-BOT-BC519560  Triantha occidentalis subsp. occidentalis L. E. Smith 1913-9-1 551 Siskiyou Mt. Eddy Comment
  OBI55486  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  RSA460865  Trientalis latifolia Edwin Kline 1920-6-24 14844 Siskiyou Siskiyou Mts. Comment
  UC1408893  Trientalis latifolia F. W. Oettinger 1969-8-9 1318 Siskiyou between Fivemile Stockgate and Abbott's Upper Cabin (along main North Fork Trail, Salmon Mountains, western Siskiyou County); Salmon Mountains, North Fork Trail 1356 Comment
  POM28721  Trifolium cyathiferum Edward Palmer 1892-7-13 2475 Siskiyou Mount Shasta and vicinity Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  POM28034  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffitt Creek Comment
  RSA47668  Trifolium eriocephalum subsp. eriocephalum Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11817 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowmans Valley. 1204 Comment
  UCD35427  Trifolium longipes Beecher Crampton 1956-8-21 3808 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 Comment
  HSC36936  Trifolium macrocephalum J. P. Smith 1974-5-27 7602 Siskiyou Along FS Rd. 47N03 1524 Comment
  CDA27990  Trifolium macrocephalum J. R. Grisham 1959-4-29 Siskiyou B. Rudiman property, Yreka. 0 Comment
  CAS-BOT-BC520838  Trillium albidum Geo. D. Butler 1910-4-3 1168 Siskiyou Humbug Creek Comment
  CAS-BOT-BC520840  Trillium albidum A. M. Vollmer; L. Beane 1951-6-2 71 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  HSC18871  Trillium ovatum J. O. Sawyer 1968-7-2 374 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CHSC95115  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8739 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
  CAS-BOT-BC200094  Trisetum canescens John Thomas Howell 1939-8-2 14922 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CDA15527  Trisetum canescens G. F. Hrusa 1998-7-5 14695 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Perennial in dry deep shade of woods, growing in soft duff. Mile 8.2. 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
  POM198622  Trisetum canescens Geo D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek. Comment
  HSC18978  Trisetum spicatum J. O. Sawyer 1969-7-25 1542 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC18998  Trisetum spicatum J. O. Sawyer 1969-7-9 1249 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC4777  Trisetum spicatum William J. Ferlatte 1966-8-5 329 Siskiyou N side of Caribou Mtn. 1982 Comment
  UCD93710  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  UCD94373  Trisetum spicatum R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CAS-BOT-BC522335  Triteleia hyacinthina Alice Eastwood 1923-5-27 11957 Siskiyou Shasta Springs Comment
  RSA378074  Triteleia ixioides subsp. anilina A. Sandig 1917-05 s.n. Siskiyou Mt. Shasta region [possibly also Shasta Co.] Comment
  HSC32590  Tsuga mertensiana Steven Lagos 1974-5-26 85 Siskiyou Duck Lake Creek drainage, Bulk Collection 56 1463 Comment
  RSA120636  Tsuga mertensiana G. D. Barbe 1955-8-1 322 Siskiyou Southeast of Craggy Lookout on Mt. Bolwar, Scott Mountains. 2256 Comment
  UCD135153  Tsuga mertensiana John M. Tucker 1963-7-5 3708 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  CAS-BOT-BC80259  Tsuga mertensiana subsp. grandicona Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC74092  Turritis glabra A. A. Heller 1916-6-23 12437 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UC164159  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  CAS-BOT-BC199193  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  HSC18868  Vaccinium cespitosum J. O. Sawyer 1968-7-22 532 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19515  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1679 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  RSA211434  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin. 1982 Comment
  UC1334018  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountains Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  HSC19360  Vaccinium membranaceum J. O. Sawyer 1968-6-18 224 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  UC1409403  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou near Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  HSC23552  Vaccinium parvifolium J. O. Sawyer 1970-7-3 2313 Siskiyou W of Camp 3 Comment
  CAS-BOT-BC199483  Vaccinium scoparium Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lake, Salmon Alps Comment
  UC412730  Vaccinium scoparium Annie M. Alexander and L. Kellogg 1911-6-24 185 Siskiyou Jackson Lake 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
  SBBG26966  Valerianella locusta L. C. Wheeler 1935-5-11 3485 Siskiyou Siskiyou Mtns 609 Comment
  JEPS33027  Vancouveria hexandra W. L. Jepson 1907-7-19 2935 Siskiyou East Fork Illinois River; Siskiyou Mts., East Fork Illinois River Comment
  RSA238576  Vancouveria hexandra Frederick W. Oettinger 1967-8-21 306 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA12629  Veratrum californicum Carl B. Wolf 1934-7-4 5956 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA237916  Veratrum californicum Frederick W. Oettinger 1969-9-2 1590 Siskiyou Meadows above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC164384  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Shackleford Creek, Log Lake Comment
  JEPS88919  Veratrum insolitum W. Roderick 1965-6-8 Siskiyou 12.1 road mi ne Cecilville 1219 Comment
  SEINET3889182  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains; on moist slope just above Little Marble Valley.; 0 1890 Comment
  CAS-BOT-BC527061  Veratrum viride var. eschscholzianum Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  RSA15790  Verbascum blattaria Carl B. Wolf 1927-8-26 1018 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  RSA50160  Verbascum blattaria E. K. Balls 1949-7-10 13952 Siskiyou Eddy's Gulch, 2 miles from Sawyer's Bar on road to Cecilville. 762 Comment
  RSA74738  Verbascum blattaria Albert M. Vollmer, L. Beane 1951-6-2 48 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC1045319  Verbena bracteata W. Bridge Cooke 1940-7-26 15356 Siskiyou near Black Butte; Pacific Highway Comment
  JEPS39093  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1909-6-20 943 Siskiyou near Yreka Comment
  UC61039  Veronica americana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  CAS-BOT-BC94405  Veronica serpyllifolia subsp. humifusa R. C. Wenk 2005-7-15 204 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  HSC61935  Veronica serpyllifolia subsp. humifusa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  UCD78078  Veronica serpyllifolia subsp. humifusa Robert E. Preston 2001-6-23 1553 Siskiyou Klamath National Forest, n slope of Rainbow Mountain. 1767 Comment
  RSA120938  Veronica serpyllifolia var. humifusa H. K. Wagnon 1957-8-11 1708 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  JEPS66166  Vicia americana var. americana Geo. D. Butler 1910-5-30 Siskiyou Humbug 1219 Comment
  CAS-BOT-BC5209  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  RSA47804  Vicia villosa Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 11722 Siskiyou French Creek Logging Road west of Callahan. 1220 Comment
  HSC19330  Viola adunca J. O. Sawyer 1969-7-9 1224 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC91248  Viola adunca var. adunca Jennifer Whipple 1976-6-17 1035 Siskiyou Near Little Crater Lake; within 15 m of lake 2195 Comment
  SEINET8896585  Viola beckwithii G. D. Butler 1910-3-11 1124 Siskiyou Yreka hills Comment
  HSC44384  Viola glabella Maralyn O'Meara 1973-6-24 230 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  UCD110886  Viola glabella John M. Tucker 1963-7-7 3729 Siskiyou Marble Mountain Wilderness Area, Paradise Lake Public Camp, at base of Kings Castle on the east side. 1981 Comment
  SEINET215136 Image available Viola glabella J. M. Tucker 1963-7-7 3729 Siskiyou Paradise Lake Public Camp at base of Kings Castle on the east side Marble Mountain Wilderness Area 1981 Comment
  HSC81554  Viola lobata Thomas W. Nelson, Jane P. Nelson 1980-7-20 6165 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC537182  Viola lobata Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC96408  Viola macloskeyi Gordon Leppig, J. Kalt 1996-7-9 357 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC36882  Viola macloskeyi J. P. Smith 1974-5-26 7532 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  RSA238808  Viola macloskeyi Frederick W. Oettinger 1967-8-13 264 Siskiyou At 'Bear Meadow' SSE of Crapo Peak and SWW of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  SEINET7040085  Viola purpurea A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Lake Shastina [Dwinnell Reservoir]. Lake Shastina Quad. UTM Zone 10, 548843mE, 4594393mN Comment
  HSC43359  Viola sheltonii N. G. Sugihara 1977-5-28 68 Siskiyou 2.1 mi. up road toward Sawyers Bar from Hwy. 96 just S of Somes Bar 1159 Comment
  UC1045274  Vitis californica W. Bridge Cooke 1940-6-20 15187 Siskiyou Klamath Gorge; along the Pacific Hwy Comment
  POM229941  Vulpia microstachys var. confusa L. C. Wheeler 1935-5-4 3457 Siskiyou Greenhorn Creek; Siskiyou mountains. 854 Comment
  RSA577541  Vulpia microstachys var. confusa L. C. Wheeler 1935-5-4 3457 Siskiyou Greenhorn Creek; Siskiyou mountains. 854 Comment
  SEINET10604447  Vulpia microstachys var. confusa Louis C. Wheeler 1935-5-4 Wheeler 3457 Siskiyou Dry sunny clay south slope. Greenhorn Creek. Siskiyou Mts. Mt. Diablo Mer. S28, T45N, R7W. 853 Comment
  UCD94527  Vulpia microstachys var. pauciflora A. A. Heller 1905-6-15 8039 Siskiyou Near Sisson. Comment
  POM229942  Vulpia microstachys var. pauciflora L. C. Wheeler 1935-5-4 3458 Siskiyou Greenhorn Creek; Siskiyou mountains. 854 Comment
  UCR21086  Wyethia angustifolia T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC383242  Wyethia angustifolia Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka Comment
  POM36316  Wyethia mollis Geo D. Butler 1910-5-10 1336 Siskiyou Goosenest foothills 1677 Comment
  CAS-BOT-BC197337  X Elyhordeum macounii Louis C. Wheeler 1934-8-14 3132 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  HSC26899  Xanthium spinosum J. P. Smith, J. O. Sawyer 1971-9-18 4799 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  JEPS74334  Xanthium strumarium L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3754 Siskiyou about 4 air mi n Yreka (Shasta River bridge, along sandy margin of river); Shasta River Comment
  CAS-BOT-BC136324  Xanthium strumarium Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment



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