Search Results — 2000 specimen records retrieved (1402 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA237368  Abies amabilis Frederick W. Oettinger 1967-8-26 331 Siskiyou Around Diamond Lake; tree at south side of lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD134135  Abies concolor Jack Major; M. Fleschner, R. Pemble 1966-9-6 s.n. Siskiyou Marble Mountains; beside trail from Lovers Camp to Marble Valley Guard Station. 1371 Comment
  CHSC27349  Abies lasiocarpa T. B. Devine 1976-10-23 364 Siskiyou NW side of Little Duck Lake, 10 ft from water line. 2042 Comment
  HSC39922  Abies lasiocarpa J. O. Sawyer 1971-7-16 2431 Siskiyou Slopes NE of Deep Lake, Bulk Collection 115 2165 Comment
  HSC5001  Abies lasiocarpa J. O. Sawyer 1969-8-2 1696 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC69194  Abies magnifica Maralyn A. Renner 1980-9-1 2693 Siskiyou Bear Mtn. 1936 Comment
  RSA572074  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  CAS-BOT-BC331021  Acer glabrum var. glabrum Gilbert Muth 1965-8-3 s.n. Siskiyou On trail to 4-corners, Marble Mts. Comment
  RSA237827  Acer glabrum var. torreyi Frederick W. Oettinger 1969-9-5 1675 Siskiyou At Willow Springs, along the trail between Abbotts Upper Cabin and English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC332796  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC30438  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC96314  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA12486  Achillea millefolium Carl B. Wolf 1934-7-4 5951 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  UC415462  Achillea millefolium A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  SEINET7593408 Image available Achnatherum occidentale Frederick W. Oettinger 1969-1 1352 Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - southeast ridge of English Peak 2134 Comment
  POM207038  Achnatherum occidentale subsp. californicum E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta. 2439 Comment
  RSA238979  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 -a Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  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
  CAS-BOT-BC210871  Achnatherum occidentale subsp. californicum W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  UC1025010  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3481 Siskiyou 2 mi se Medicine Lake (lava ridge, Bullseye Lake); Bullseye Lake Comment
  UC175619  Achnatherum occidentale subsp. pubescens Mr. Roseman 1913-1 Siskiyou Butte Valley Comment
  CAS-BOT-BC391520  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1951 Siskiyou Mount Eddy Comment
  POM365537  Aconitum columbianum var. columbianum M. B. Dunkle 1944-8-25 9180 Siskiyou Hungry Creek 1829 Comment
  RSA32897  Aconitum columbianum var. columbianum A. A. Heller 1927-8-1 14433 Siskiyou Sisson. Comment
  UC454328  Adenocaulon bicolor I. J. Condit 1911-7-15 Siskiyou Tollroad (Shasta Springs to McCloud) Comment
  UC61077  Adenocaulon bicolor W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mc Cloud River (The Bend); Mount Shasta, Mc Cloud River (The Bend) Comment
  CAS-BOT-BC29324  Adenocaulon bicolor W. B. Cooke; V. G. Cooke 1962-8-17 33525 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC27637  Adenocaulon bicolor Carl W. Mize 1972-6-21 80 Siskiyou 305 Comment
  UC1409501  Adenocaulon bicolor F. W. Oettinger 1969-8-9 1317 Siskiyou toward 5 mile Stock Gate along main North Fork trail Abbott's Upper Cabin; Salmon Mountains 1356 Comment
  UC336685  Adiantum aleuticum unknown July 1881 Siskiyou near Shasta Comment
  RSA126296  Adiantum aleuticum I. L. Wiggins 1955-7-23 13477 Siskiyou China Creek 1098 Comment
  UC1593365  Adiantum capillus-veneris Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2543 Siskiyou Fossil Cave; Lava Beds National Monument 1280 Comment
Read comments
May 30 2013
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  JEPS62938  Agastache urticifolia W. L. Jepson 1937-7-30 18555 Siskiyou Poker Flat , Poker Flat (Siskiyou Mts.) 1584 Comment
  RSA714932  Ageratina occidentalis M. E. Fishbein 2006-8-3 5873 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  UC1409448  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1950 Comment
  HSC5639  Ageratina occidentalis D. M. Thomson 1965-8-7 178 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  CAS-BOT-BC15479  Agoseris X dasycarpa Elmer I. Applegate 1923-8-18 3857 Siskiyou Redshale Mountain east of Medicine Lake 2438 Comment
  RSA183696  Agoseris aurantiaca Gilbert Muth 1965-8-12 215 Siskiyou Marble Mountains: Marble Valley Comment
  CAS-BOT-BC21374  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  UC682100  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3260 Siskiyou 3 mi s Yreka 810 Comment
  CAS-BOT-BC15383  Agoseris grandiflora var. grandiflora Alice Eastwood; John Thomas Howell 1937-6-26 5064 Siskiyou Near Fork of Salmon River Comment
  HSC46233  Agoseris retrorsa Jennifer Whipple 1978-6-5 2345 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS80661  Agrostis alba W. B. and V. G. Cooke 1977-9-20 54807 Siskiyou along dry spring creek Mt. Shasta, Little Bear Springs Comment
  CAS-BOT-BC126984  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  UCD37074  Agrostis exarata Beecher Crampton 1956-8-21 3804 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD37086  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  UCD51758  Agrostis hyemalis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  UCD52799  Agrostis idahoensis Roseman 1913-1 s.n. Siskiyou Butte Valley. Comment
  CAS-BOT-BC138932  Agrostis pallens Doris K. Kildale 1928-8-18 6483 Siskiyou Near head of north fork of Salmon River at Smiley's Upper Camp. 1859 Comment
  UC1265309  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou open level area near Wiregrass Meadows (near English Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD53370  Agrostis scabra Robert E. Preston 2001-8-26 1763 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  RSA384945  Agrostis stolonifera L. C. Wheeler 1934-8-14 3134 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  UC1265422  Agrostis thurberiana Frederick W. Oettinger and R. F. Thorne 1969-8-7 1285 Siskiyou se of English Lake (Sundew Bog); Salmon Mountains, Marble Mountain Wilderness Area, English P 1828 Comment
  CAS-BOT-BC138485  Agrostis variabilis Alice Eastwood 1912-8-30 1986 Siskiyou Mount Eddy. Comment
  HSC271  Agrostis variabilis William J. Ferlatte 1967-8-20 1074 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  UCD55716  Aira caryophyllea A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3615 Siskiyou 11 miles north of Happy Camp, road to Grants Pass, banks of Indian Creek. 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
  UC1299635  Allium bolanderi Freed W. Hoffman 1950-7-11 3240 Siskiyou 16.1 mi n point where Cedar Camp Road leaves the Klamath Highway (between Orleans and Weitchpec) Comment
  UC357193  Allium bolanderi var. bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou near Oro Fino Comment
  RSA550217  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Sandy soil layer over a conglomerate substrate on a steep slope above the dirt road running NW from Hilt, 4.8 miles NW of Interstate 5 at the Hilt exit. Comment
  CAS-BOT-BC466758  Allium campanulatum W. B. Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  HSC82287  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-6-15 4810 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC469245  Allium falcifolium Alice Eastwood; John Thomas Howell 1934-4-20 s.n. Siskiyou Near Yreka on Ft. Jones road Comment
  RSA367094  Allium falcifolium L. C. Wheeler 1935-6-9 3566 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA17426  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. 1372 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  RSA126291  Allium validum I. L. Wiggins 1955-7-21 13440 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA607569  Allotropa virgata Barbara M. Leitner 1996-7-18 96 -001 Siskiyou Medicine Lake Highlands and Adjacent Modoc Plateau. Comment
  CAS-BOT-BC171246  Alnus L. E. Smith 1913-3-29 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC171417  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  UC375243  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Woolly Creek; bank of lake at head Comment
  CHSC118466  Alnus incana subsp. tenuifolia Julie Kierstead Nelson 2015-8-13 2015 -131 Siskiyou UTM NAD 83 Zone 10, 536590m E, 4583713m N. Headwaters of west fork Parks Creek, 2 miles NE of China Mountain 2176 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
  HSC29280  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC45043  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-21 3288 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  HSC69223  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-31 2621 Siskiyou Twin Valley. 1494 Comment
  UC642581  Alnus viridis subsp. sinuata W. Bridge Cooke 1939-8-10 13862 Siskiyou Mud Creek Canyon Mount Shasta (around springs on walls, from the Hudsonian to the Transition Zones) Comment
  CAS-BOT-BC17202  Alyssum alyssoides L. E. Smith 1913-5-27 299 Siskiyou Weed. Comment
  CDA3623  Alyssum alyssoides F. D. Horn 1980-4-24 Siskiyou Williams Creek near Collier Rest Area, I-5 near Hornbrook. 0 Comment
  HSC27225  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4802 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UC163668  Amaranthus blitoides Geo. D. Butler 1909-8-18 1067 Siskiyou near Yreka Comment
  CAS-BOT-BC136881  Amelanchier utahensis Ellsworth Bethel 1923-6-18 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136888  Amelanchier utahensis J. H. Thomas 1954-5-13 4126 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
  CAS-BOT-BC136889  Amelanchier utahensis Dorothy Parker 1947-5-23 182 Siskiyou Northeast slopes of the Gazelle Mountains 1493 Comment
  CAS-BOT-BC136904  Amelanchier utahensis Ella Dales Cantelow 1936-5-20 1397 Siskiyou Summit of Salmon Mt. 1818 Comment
  UC555443  Amelanchier utahensis Dorothy Tebbe 1929-6-5 126 Siskiyou Mt. Eddy Comment
  HSC63989  Amsinckia intermedia J. P. Smith 1973-5-5 6558 Siskiyou Scott Bar along the Scott River Comment
  UCD77331  Anaphalis margaritacea Robert E. Preston 2003-7-29 2166 Siskiyou S slope of Rainbow Mountain 1785 Comment
  UCD118717  Androsace elongata subsp. acuta Louis C. Wheeler 1935-1 3432 Siskiyou Greenhorn creek, Siskiyou Mts. 944 Comment
  CAS-BOT-BC391810  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  HSC4931  Anemone deltoidea J. O. Sawyer 1968-7-10 483 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC853527  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou near Big Flat (South Fork Salmon River); South Fork Salmon River 1524 Comment
  UC130648  Anemone deltoidea H. M. Hall Jul 1909 8675 Siskiyou Salmon Mtns , Salmon River (Salmon River) 1584 Comment
  CAS-BOT-BC391855  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  UC1094391  Anemone drummondii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5952 Siskiyou ca. 6 mi. due s. Mt. Eddy (slope above s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  POM270535  Anemone drummondii C. L. Hitchcock 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  HSC41040  Anemone lyallii J. O. Sawyer 1970-3-4 2059 Siskiyou N of Idlewild Campground 762 Comment
  POM258360  Anemone multifida C. L. Hitchcock, J. S. Martin 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  UC585140  Anemone occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2006 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. & n.e. of slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  CHSC30108  Anemone oregana M. S. Taylor 1980-6-4 2779 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  RSA202367  Angelica tomentosa var. tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mile northwest of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1921 Comment
  CAS-BOT-BC59287  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Mountain Comment
  HSC103575  Antennaria argentea Thomas W. Nelson, Jane Nelson 1985-6-19 7820 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC59280  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Creek, Sterling Mt. Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC59160  Antennaria dimorpha H. M. Hall; E. B. Babcock 1903-6-1 4101 Siskiyou Little Shasta Valley, 853 Comment
  RSA271911  Antennaria dimorpha Christopher Davidson 1975-6-5 2655 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  UC485661  Antennaria geyeri Katharine Brandegee Siskiyou Edgewood Comment
  CAS-BOT-BC58712  Antennaria geyeri Elmer I. Applegate 1936-7-3 10501 Siskiyou Lava Beds National Monument. East side of Hippo Butte Comment
  CAS-BOT-BC58720  Antennaria geyeri Alice Eastwood 1912-7-15 1061 a Siskiyou Near McCloud Comment
  CHSC258  Antennaria media K. Jaekel 1939-8-8 Siskiyou Mt. Eddy. 2743 Comment
  JEPS20904  Antennaria media Willis L. Jepson 1894-8-4 Siskiyou Horse Camp Mt. Shasta Comment
Read comments
Jan 23 2011
  UC1409471  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou between Charmaine Lake and Abbott's Lake; The Salmon Mountains, Marble Mountain Wilderness Area, Engli 1859 Comment
  RSA238725  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Between Charmaine Lake and Abbot's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC79902  Antennaria microphylla Hans Leschke 1960-8-10 1758 Siskiyou Badger Flat 1912 Comment
  CAS-BOT-BC79910  Antennaria microphylla Doris K. Kildale 1929-7-20 8580 Siskiyou South east 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
  JEPS125860  Antennaria racemosa Dean W. Taylor 1996-6-26 15748 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley Comment
  RSA233704  Antennaria rosea R. F. Thorne, Frederick W. Oettinger 1969-8-10 38973 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  SEINET515906  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  HSC4642  Antennaria rosea subsp. rosea D. M. Thomson 1965-8-7 180 Siskiyou California Lava Beds National Monument; Cave Loop road Comment
  UCD129038  Antennaria umbrinella J. M. Tucker; R. Tofsrud 1948-8-2 1770 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  CAS-BOT-BC102273  Anthemis cotula Dorothy Parker 1946-7-20 s.n. Siskiyou Plowman's Valley 1188 Comment
  UCD129068  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  JEPS83417  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 409 Siskiyou 1.8 n nne Swillup Creek bridge (on Hwy 96, nw side of road near reflector post, across Klamath River from mouth of King Creek); Ukonom Lake Quad. (15', 1955) 341 Comment
Read comments
Apr 24 2015
  POM15415  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  RSA425832  Antirrhinum vexillocalyculatum subsp. breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5724 Siskiyou Road 8, 3.5 miles from junction with French Creek road. 915 Comment
  JEPS107483  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC141642  Apocynum androsaemifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 196 Siskiyou Mt. Shasta Comment
  UC22884  Apocynum androsaemifolium W. H. Brewer 1862-9-16 1407 Siskiyou Mt. Shasta Comment
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  HSC728  Aquilegia formosa William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin 1982 Comment
  RSA105414  Aquilegia formosa G. D. Barbe 1955-6-29 34 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  RSA0125739  Arabis breweri Frederick W. Oettinger 1968-8-22 602 Siskiyou Above English Lake to Diamond Lake trail on English Lake side of pass to Diamond Lake. Salmon Mts.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  RSA0125746  Arabis breweri Geo. D. Butler 1910-3-6 1118 Siskiyou Shasta River Comment
  RSA0126001  Arabis divaricarpa Geo. D. Butler 1910-6-5 1524 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC39200  Arabis holboellii var. pinetorum J. P. Smith 1976-5-21 8774 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  UC583410  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou between Hamburg and Seiad Valley; Klamath River Comment
  JEPS84110  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
  HSC69259  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-20 3743 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC29138  Arabis platysperma var. howellii Frederick W. Oettinger 1968-8-4 390 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  POM253573  Arabis puberula C. L. Hitchcock, J. S. Martin 1939-7-9 5322 Siskiyou 1/2 mile SE of King s Castle, Marble Mts. 1829 Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  RSA59496  Arabis sparsiflora E. K. Balls 1950-5-15 14704 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  UC1076033  Arabis subpinnatifida Herbert L. Mason 1947-5-17 14796 Siskiyou above Scott Mountain Pass (Siskiyou-Trinity counties) Comment
  UCSB24429  Arbutus menziesii Favero, R. 1968-3-28 Siskiyou 2 miles southwest of Hamburg, Calif., on U.S. 96 to Happy Camp, Calif., Klamath Mountains 609 Comment
  SEINET2471293  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -46 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  UC163800  Arceuthobium americanum Geo. D. Butler 1908-7-19 1070 Siskiyou Henley Comment
  CDA22359  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  HSC96177  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake, Shasta-Trinity National Forest 1330 Comment
  SEINET2471355  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-20 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness 1730 Comment
  CAS-BOT-BC24161  Arctostaphylos Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Brushy, sunny, rocky W slope. Comment
  SEINET11989681  Arctostaphylos klamathensis Unknown 1982-1 20804 Siskiyou above uppermost lake above Terrace Lake 1981 Comment
  CAS-BOT-BC39982  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC40018  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble, Valley, Marble Mts. 1792 Comment
  HSC4920  Arctostaphylos nevadensis J. O. Sawyer 1968-9-28 750 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UC876445  Arctostaphylos nevadensis Geo. L. Fisher 1920-6-28 60 Siskiyou Mt. Shasta Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  CAS-BOT-BC46457  Arctostaphylos patula John Thomas Howell 1939-8-3 15021 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC46494  Arctostaphylos patula John Thomas Howell 1937-7-23 13370 Siskiyou South Fork of the Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC46511  Arctostaphylos patula Carl B. Wolf 1927-8-26 1107 Siskiyou On the Klamath River, 8 mi. above Happy Camp. Comment
  JEPS38800  Arctostaphylos patula Willis L. Jepson July 24 1894-August 10, 1894 14719 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  RSA238577  Arctostaphylos patula Frederick W. Oettinger 1968-9-8 778 Siskiyou Just due N. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  UC549424  Arctostaphylos patula R. H. Williams 1934-4-1 Siskiyou n slope of mt Mt. Bolwar, Scott River (hd of river) 1097 Comment
  UCR32086  Arctostaphylos patula David J. Keil 1983-7-3 17380 Siskiyou 11 mi NE of junction of State Route 3 along Gazelle-Callahan Rd Comment
  RSA238585  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Mt. Chaparral element due E. of Uncles Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET11988295  Arctostaphylos patula C. Lamoureux, Srivastava, L.; Gankin, R. 1957-1 260 Siskiyou US 199, E side of hwy, approximately 2 mi N of Weed Comment
  CAS-BOT-BC47010  Arctostaphylos viscida subsp. viscida W. R. Dudley 1901-8-21 s.n. Siskiyou Rush Creek Trail, Salmon Mountains. Comment
  CAS-BOT-BC47017  Arctostaphylos viscida subsp. viscida E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon. Comment
  CAS-BOT-BC47022  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  JEPS38756  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-3-21 659 Siskiyou Oro Fino Comment
  POM77309  Arctostaphylos viscida subsp. viscida Geo D. Butler 1909-4-26 693 Siskiyou Oro Fisco hills. Comment
  CAS-BOT-BC384755  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET3918846  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, o.5 mile south Dunsmuir, along U.S. Highway 99.; 0 701 Comment
  HSC45209  Arnica cernua J. O. Sawyer, E. Cope 1977-6-20 2966 Siskiyou Behind Devil's Punchbowl 1829 Comment
  HSC46315  Arnica cernua J. P. Smith 1976-5-4 8655 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  UC1037313  Arnica chamissonis Leo Whitney 1934-6-23 1836 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC46236  Arnica cordifolia Jennifer Whipple 1976-7-1 1276 Siskiyou Mt. Eddy 2317 Comment
  RSA237485  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCD129112  Arnica cordifolia Geo. C. Wood 1940-4-30 s.n. Siskiyou 5 miles south of Yreka. Comment
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC22199  Arnica latifolia J. O. Sawyer 1968-7-2 353 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC22160  Arnica latifolia J. O. Sawyer 1969-6-12 930 Siskiyou Along trail to Duck Lake 1799 Comment
  HSC96833  Arnica latifolia S. Lyon, J. McIntire 2006-6-25 26 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 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
  RSA238816  Arnica parryi subsp. sonnei Frederick W. Oettinger 1969-7-28 1087 Siskiyou NE above Toms Upper Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC90085  Arnica viscosa Morton D'Evelyn 1931-8-12 s.n. Siskiyou Near Wagon Camp, Mt. Shasta 1524 Comment
  UCR70774  Artemisia arbuscula L. C. Wheeler 1934-8-26 03226 Siskiyou Siskiyou Mtns, Trapper Creek, Siskiyou Mountains. 1982 Comment
  CAS-BOT-BC84977  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  CAS-BOT-BC85022  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mts., Mt. Diablo Mer. 1981 Comment
  UCD129192  Artemisia arbuscula subsp. longiloba Alfred H. Murphy 1961-7-19 61 B Siskiyou Marble Mtns. Klamath National Forest, ridge above Shadow Lake. 1950 Comment
  RSA211190  Artemisia arctica subsp. arctica William J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC84888  Artemisia campestris subsp. pacifica Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim, Marble Mountains 2194 Comment
  CAS-BOT-BC90483  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  UC60985  Artemisia douglasiana Geo. B. Grant 1902-9-1 5206 Siskiyou Mount Shasta 609 Comment
  HSC5013  Artemisia tridentata subsp. tridentata W. L. Jepson 1940-6-23 20022 Siskiyou Andesite Sta., N of Mt. Shasta 976 Comment
  UC166157  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 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
  CAS-BOT-BC447709  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-10 15256 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC400591  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC400598  Asarum caudatum Wm. Bridge Cooke 1942-6-7 16008 Siskiyou Along Wagon Creek, near Mt. Shasta City Comment
  CAS-BOT-BC400599  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  RSA238021  Asarum caudatum Frederick W. Oettinger 1967-8-20 285 Siskiyou 100 yds down stream from Tom Taylor Cabin springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC43267  Asclepias cordifolia K. Irwin 1977-5-22 384 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC68477  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou Slopes E of Hwy. 3 1341 Comment
  RSA577024  Asclepias cordifolia L. C. Wheeler 1934-6-9 2669 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  HSC65054  Asclepias speciosa J. P. Smith, Steve Selva 1970-6-16 4085 Siskiyou W of Sawyers Bar Comment
  UCD121377  Asclepias speciosa K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  HSC76918  Aspidotis densa K. T. Stillman 1976-6-26 130 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  CAS-BOT-BC69551  Aspidotis densa Louis C. Wheeler 1934-8-13 3112 Siskiyou E. Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1981 Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA14493  Aster eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Low alkaline ground along Willow Creek S of lower Keamath marsh Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  UC163741  Astragalus accidens var. hendersonii Mrs. C. Quigley 1909-5-8 706 Siskiyou near Yreka (Klamath River); near Yreka, Klamath River Comment
  UC249284  Astragalus californicus H. E. Brown Jun 15 1897-Jun 30 1897 465 Siskiyou n side Mt. Shasta; n side Mt. Shasta 1524 Comment
  CAS-BOT-BC178822  Astragalus californicus Geo. D. Butler 1909-5-8 593 Siskiyou Dry land near Yreka Comment
  CDA26647  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  JEPS116602  Astragalus curvicarpus var. curvicarpus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -15 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1090 Comment
  UC1128798  Astragalus curvicarpus var. curvicarpus M. H. Mitchell 1936-5-14 Siskiyou Hospital Rock Dorris Quad., Modoc Lava Beds Natl Monument, Hospital Rock 1249 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
  HSC46184  Astragalus purshii var. tinctus Jennifer Whipple 1977-4-30 1879 Siskiyou Scott Valley near Weston Gulch on open hillside 854 Comment
  JEPS116603  Astragalus purshii var. tinctus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -16 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1090 Comment
  RSA110925  Astragalus purshii var. tinctus R. C. Barneby 1954-5-15 11501 Siskiyou 3 miles N of Edgewood. 1204 Comment
  RSA47607  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  CAS-BOT-BC198706  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  CHSC837  Astragalus whitneyi var. siskiyouensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  UC1408834  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou area just se Tobacco Lake (Golden Peak); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1889 Comment
  HSC29367  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Marble Mtn. Wilderness Area, near Tom's Lake 2058 Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  HSC35797  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-25 321 Siskiyou Along Horse Range Creek 1829 Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  HSC29189  Barbarea orthoceras Frederick W. Oettinger 1969-7-13 997 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: N of Upper English Lake 1799 Comment
  SBBG2418  Barbarea vulgaris H. and M. Dearing 1939-6-5 3550 Siskiyou E of McCloud Comment
  HSC69522  Berberis aquifolium var. repens Maralyn A. Renner 1980-6-26 1286 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UCD95090  Berberis aquifolium var. repens James P. Smith 1973-5-5 6436 Siskiyou along Cook and Green Pass road. Comment
  CAS-BOT-BC75730  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC75997  Berberis pumila Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat. Comment
  CDA38213  Berula erecta T. C. Fuller 1959-10-14 3124 Siskiyou York Bros. Ranch, ca. 12 miles northeast of Montague. 0 Comment
  CAS-BOT-BC169397  Betula C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Canyon, near Shovel Creek Comment
  CAS-BOT-BC169486  Betula occidentalis L. B. Kildale 1930-6-1 9841 Siskiyou Mill Creek near Etna Mills 914 Comment
  RSA30437  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou Metcalf s ranch, NE base of Mt. Eddy. 1189 Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  JEPS32523  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou Wright and Fletcher's pasture Oro Fino Comment
  POM29857  Bidens cernua Geo. D. Butler 1908-9-25 501 Siskiyou Shasta River Comment
  CAS-BOT-BC413071  Bistorta bistortoides L. S. Smith 1915-6-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC413078  Bistorta bistortoides John Thomas Howell 1939-8-10 15277 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC413079  Bistorta bistortoides W. R. Dudley 1893-6-18 s.n. Siskiyou Sisson's Comment
  CAS-BOT-BC127937  Blepharipappus scaber Ayers; T. S. Brandegee 1887-6-1 s.n. Siskiyou unspecified Comment
  UC166207  Boechera acutina Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain 1828 Comment
  CAS-BOT-BC16024  Boechera breweri subsp. breweri Lincoln Constance; Reed Clark Rollins 1942-5-13 2901 Siskiyou Klamath-Siskiyou Region. Scott River 2 miles northwest of Scott Bar. 487 Comment
  UCD77344  Boechera lyallii Robert E. Preston 2002-7-14 1933 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1981 Comment
  JEPS93825  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1998-6-11 9179 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  CAS-BOT-BC25425  Boechera retrofracta Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16493 Siskiyou At quarry on Glass Mountain. Comment
  CAS-BOT-BC25433  Boechera retrofracta Gilbert J. Muth 1969-8-6 1253 Siskiyou Boulder Peak Ridge. 2468 Comment
  CHSC469  Boechera retrofracta M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  UC618778  Boechera sparsiflora unknown 1938-6-17 11051 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  UC1333316  Boechera stricta Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  UC165992  Boechera subpinnatifida Geo. D. Butler 1909-4-25 610 Siskiyou Quartz Valley Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC418465  Boykinia major John Thomas Howell 1939-8-3 14987 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS83833  Boykinia major Wayne Roderick July 1978 Siskiyou vicinity Cook and Green Pass (near spring w of Pass); Siskiyou Mountains, vicin Cook and Green Pass 1463 Comment
  UCD102599  Boykinia major John M. Tucker; D. V. Hemphill 1974-7-28 4332 Siskiyou 1 mile south of Haypress Meadows, between trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  HSC42934  Brickellia californica Ken Stillman 1976-8-24 434 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC127714  Brickellia greenei L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  SEINET10570660  Brodiaea George D. Butler 1910-5-27 Butler 1415 Siskiyou Wet meadow Shasta Valley Comment
  UC61169  Brodiaea coronaria subsp. coronaria W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CDA39464  Brodiaea elegans E. Hale 1984-6-19 s.n. Siskiyou Deer Meadow Road near Yreka. 0 Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  CAS-BOT-BC149058  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  CAS-BOT-BC149059  Bromus carinatus var. carinatus L. R. Short 1933-5-30 130 Siskiyou Klamath Forest. Miller Gulch. 609 Comment
  CAS-BOT-BC148797  Bromus carinatus var. marginatus Alice Eastwood 1921-7-28 10933 Siskiyou Medicine Lake. Comment
  HSC30593  Bromus carinatus var. marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, Crapo Meadow. 2134 Comment
  UCD58497  Bromus carinatus var. marginatus A. H. Murphy 1955-5-29 55 V Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CHSC91224  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12030 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA14320  Bromus marginatus Elmer I. Applegate 1923-8-20 3908 Siskiyou Medicine Lake 1982 Comment
  CAS-BOT-BC162134  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Comment
  JEPS80603  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains Wilderness Area, Marble Valley Marble Valley; Marble Mountains Wilderness Area, Marble Valley 1798 Comment
  RSA239076  Bromus orcuttianus Frederick W. Oettinger 1969-8-4 1157 Siskiyou near Halfway Spring between English Lake & Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC73779  Bromus orcuttianus W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  UCD59249  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  HSC30545  Bromus suksdorfii Frederick W. Oettinger 1969-9-2 1588 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  CAS-BOT-BC185606  Bromus tectorum William A. Dayton 1912-7-28 153 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  NY664638  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188.7 Comment
  UC204737  Bromus tectorum Geo. D. Butler 1908-6-25 475 Siskiyou near Yreka Comment
  CAS-BOT-BC185380  Bromus vulgaris Ira L. Wiggins 1955-7-29 13590 Siskiyou Along Thompson Creek, 3.5 miles above south Fork of Salmon River. 1371 Comment
  HSC31125  Bromus vulgaris J. O. Sawyer 1971-8-19 2456 Siskiyou 2012 Comment
  HSC91982  Calamagrostis breweri Jennifer Whipple 1977-7-20 2006 Siskiyou N slopes of Mt. Eddy 2287 Comment
  JEPS116610  Calamagrostis koelerioides Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -027 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2103 Comment
  UC1495303  Calamagrostis purpurascens Robert T. Clausen and Harold Trapido 1940-7-27 4972 Siskiyou w side of creek about 4 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2133 Comment
  HSC44233  Callitropsis nootkatensis A. Borden 1976-10-6 Siskiyou Elk Hole S edge 1506 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  CAS-BOT-BC85737  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 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
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  UC1163460  Calochortus persistens Marion Ownbey and S. J. Preece Jr. 1952-6-25 3341 Siskiyou w of Yreka (ridge road to Deadwood Lookout) Comment
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Nov 3 2011
  RSA120213  Calochortus uniflorus S. S. Tillett 1956-7-11 693 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  RSA0120951  Caltha biflora Frederick W. Oettinger 1968-8-3 379 Siskiyou Base of camp meadows, Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC181504  Caltha leptosepala Doris K. Kildale 1928-8-19 6546 Siskiyou Hancock Lake on trail to Marble Mountain 2133 Comment
  CAS-BOT-BC273387  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan 1068 Comment
  UCR51762  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  POM55529  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  CHSC99719  Calyptridium monospermum L. P. Janeway 2008-7-24 9481 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  HSC4431  Calyptridium umbellatum William J. Ferlatte 1966-6-22 77 Siskiyou Josephine Lake Basin 1677 Comment
  HSC4942  Calyptridium umbellatum J. O. Sawyer 1968-7-9 413 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  CAS-BOT-BC221254  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  JEPS84336  Calystegia occidentalis subsp. occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6411 Siskiyou ca 5 mi n of the town Seiad Valley (Cirque at head of Hell's Canyon); Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  CHSC88127  Camassia quamash subsp. breviflora Jenny Marr 1993-7-1 137 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA699533  Camassia quamash subsp. breviflora Jenny Marr 1993-07 137 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CAS-BOT-BC37000  Camelina microcarpa Carl B. Wolf 1934-7-6 5977 Siskiyou Southwest slope of Mount Shasta. 0.25 mile east of Mount Shasta City. 1097 Comment
  POM160660  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Medicine Lake 2134 Comment
  UC479158  Campanula prenanthoides Marcus E. Jones, A. M. 1931-7-17 29061 Siskiyou Shasta City (Session's) Comment
  SEINET10905888  Campanula prenanthoides Baker Baker s.n. Siskiyou McCloud River, 6 m below Bartles. Comment
  SEINET10463386  Campanula scabrella Muth 1978-8-2 MUTH 6762 Siskiyou Near South China Mountain, on the China Mountain quadrangle, close to the town of Callahan 2348 Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  HSC48283  Campanula scouleri J. O. Sawyer, K. Stillman 1978-7-6 3348 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  SEINET10463573  Campanula scouleri Clifton 1978-7-30 CLIFTON 2468 Siskiyou NR WHITE MTN ON SEIAD V. QUAD. NR SEIAD VALLEY EVERGREEN CONIFER FOREST 1737 Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  SEINET10463784  Campanula scouleri Setchell 1902-7-13 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  SEINET10972121  Campanula wilkinsiana Dress 1951-8-14 DRESS 3722 Siskiyou FOrming mats in short grass at edge of small spring on rocky slope on southwest side of Mt. Shasta. 2530 Comment
  UC375295  Capsella bursa-pastoris Geo. D. Butler 1909-2-26 577 Siskiyou Yreka Comment
  UC855731  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  CAS-BOT-BC18389  Carex Annie M. Alexander; Louise Kellogg 1949-7-28 5887 Siskiyou Marble Mountains. Sky High Valley. 1767 Comment
  UC1265325  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou on w shore of Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  SEINET7484119 Image available Carex abrupta Ray Tallent 1987-1 911 Siskiyou Klamath National Forest; Trail to Long Gulch Lake 1820 Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  UC1100434  Carex athrostachya Malcolm A. Nobs, Calvin McMillan 1949-6-17 806 Siskiyou Grass Lake, Hwy 97 Comment
  SEINET10644707  Carex athrostachya Edwin B. Copel 1903-9-7 Copeland 3866 Siskiyou Mt. Eddy. 2134 Comment
  CAS-BOT-BC19650  Carex brainerdii Alice Eastwood 1923-5-18 11852 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC43991  Carex brainerdii L. P. Janeway 1983-7-3 371 Siskiyou Rocky ridgetop nw of Poker Flat. 1584 Comment
  UC618743  Carex breweri W. Bridge Cooke 1938-8-18 11498 Siskiyou Horse Camp Slopes Mount Shasta 2514 Comment
  RSA91634  Carex deflexa var. boottii J. T. Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC29642  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  HSC76842  Carex fracta L. P. Janeway 1982-8-2 100 Siskiyou Upper Coon Run, 4 mi. up FS 18N30 from S fork Indian Creek 854 Comment
  CHSC109948  Carex geyeri Peter F. Zika; Julia Nelson 2012-6-21 25906 Siskiyou Klamath Range. Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19. 1665 Comment
  JEPS100914  Carex gigas Dean W. Taylor 1988-7-9 9950 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  CAS-BOT-BC20468  Carex halliana Dean William Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-6 9248 Siskiyou Extreme NE portion of county. Medicine Lake. About 300 NW of USFS guard station on road to Little Mt. Hoffman. 2039 Comment
  UC1576728  Carex halliana Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9269 Siskiyou on floor of Alcohol Crater Medicine Lake area 2072 Comment
  SEINET12649458 Image available Carex hassei Peter F. Zika, Barbara Wilson 2011-1 25675 Siskiyou 1700 Comment
  HSC76795  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CHSC96014  Carex integra L. P. Janeway 2006-7-3 8775 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  RSA211374  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  CHSC40182  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Bench above and on ne side of Bear Cr near trail. 1615 Comment
  JEPS109242  Carex lenticularis var. lipocarpa D. W. Taylor 2005-8-18 19481 Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  SEINET7566357 Image available Carex luzulina Ray Tallent 1987-8-12 907 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  JEPS109227  Carex luzulina var. luzulina D. W. Taylor 2005-8-18 19466 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  RSA237263  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Trail northeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET10850462  Carex mariposana Louis C. Wheeler 1934-7-21 Wheeler 3014 Siskiyou Loose dry soil in sheltered spot. Head of Jaynes Canyon. Siskiyou Mts. S12, T47N, R10W. Mt. Diablo Mer. 2042 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  JEPS95952  Carex mendocinensis Vernon H. Oswald and L. Ahart 1999-7-5 9818 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate 1365 Comment
  HSC39081  Carex mendocinensis D. H. Norris 1970-5-23 12235 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  UC1265431  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou nw Pine Lake (White Pine Meadow); Salmon Mountains, Marble Mountain Wilderness 1882 Comment
  CAS-BOT-BC31836  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC97418  Carex multicaulis Jennifer Whipple 1976-6-12 983 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  UCD140652  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  UC1358 Image available Carex multicostata W. H. Brewer 1375 Siskiyou Mt. Shasta 2560 Comment
  CAS-BOT-BC23420  Carex multicostata John Thomas Howell 1937-7-26 13557 A Siskiyou Caribou Meadow Comment
  CAS-BOT-BC32279  Carex multicostata J. Major 1961-7-14 644 -A Siskiyou Upland meadow along Mud Creek, Mt. Shasta 1980 Comment
  HSC77037  Carex multicostata K. T. Stillman 1976-6-17 18 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  CAS-BOT-BC119683  Carex nervina John Thomas Howell 1939-8-7 15119 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC119207  Carex pachystachya John Thomas Howell 1937-7-24 13433 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC118935  Carex pellita Elmer Ivan Applegate 1895-5-28 3304 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC119127  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along summit trail above timberline (Merriam's) Mount Shasta. 3048 Comment
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  CAS-BOT-BC118784  Carex preslii William J. Ferlatte 1968-8-23 1094 Siskiyou Head of Kedd Creek. 2133 Comment
  HSC77155  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  HSC91274  Carex scabriuscula Jennifer Whipple 1976-6-30 1216 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  RSA238965  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC96567  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 361 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC118223  Carex scopulorum var. bracteosa J. W. Stacey 1939-7-7 13616 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  CAS-BOT-BC117690  Carex simulata W. R. Dudley 1893-6-21 s.n. Siskiyou In Peter Klink's Meadow, Sisson Comment
  HSC30672  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  CAS-BOT-BC117014  Carex straminiformis Paul Clifford Hutchison 1962-8-2 929 Siskiyou Exposed S slopes, Mt. Shasta, between Panther Meadow and top of ski lift. 2743 Comment
  JEPS63767  Carex subbracteata Mrs. M. H. Goldsmith 1916-8-6 13 Siskiyou Sisson Comment
  CAS-BOT-BC115858  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  JEPS102934  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  CAS-BOT-BC115851  Carex subfusca William Bridge Cooke 1940-7-5 15272 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  HSC48042  Carex subfusca D. H. Norris 1972-6-11 22907 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  SEINET7579983 Image available Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, shore of Abbotts Lake. 1722 Comment
  JEPS95093  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  UC1409402  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou in let stream to Little Hancock Lake (boreal meadow) 2042 Comment
  HSC72454  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-15 3962 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC72576  Castilleja applegatei subsp. pinetorum J. P. Smith 1976-5-5 8702 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC82256  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6176 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS25852  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7484 Siskiyou just below road summit of Cecilville-Callahan road (new at this time) (overlooking headwaters of South Fork of Scott River) 1880 Comment
  JEPS9786  Castilleja applegatei subsp. pinetorum W. L. Jepson Jul 24 1894-Aug 10 1894 21482 Siskiyou Sisson Comment
  UC164427  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1257 Siskiyou Humbug Mountain 1219 Comment
  UC922377  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1949-7-22 5845 Siskiyou trail to Kings Castle; Marble Mountains, Paradise Lake 2072 Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  SDSU10561  Castilleja arachnoidea D. F. Howe 1962-8-6 3408 Siskiyou Mount Shasta, Shasta National Forest. 2438 Comment
  UC1408871  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2194 Comment
  HSC12268  Castilleja arachnoidea Richard Spjut 1970-7-24 891 Siskiyou Mt. Shasta above ski lodge 2591 Comment
  RSA80047  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC32640  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CHSC88112  Castilleja lacera Jenny Marr 1993-7-1 122 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  UC164373  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  JEPS84869  Castilleja miniata Steve Morgan 1987-7-28 Siskiyou 5 mi nw McCloud (s of Mt. Shasta, McGinnis Springs); Shasta-Trinity National Forest, McGinnis Springs 1767 Comment
  UC1408802  Castilleja miniata Robert F. Thorne and Fred Oettinger 1969-8-10 28968 Siskiyou Panther Creek Meadows Mt. Shasta National Forest, Mt. Shasta (s slope of Mt. Shasta) 2194 Comment
  CAS-BOT-BC254017  Castilleja miniata Wm. Bridge Cooke 1938-6-17 11059 Siskiyou Mt. Shasta 1524 Comment
  RSA165515  Castilleja miniata Clare B. Hardham 1961-6-30 7997 Siskiyou Siskiyou Mountains: White Mt. Comment
  HSC19019  Castilleja pruinosa J. O. Sawyer 1969-7-9 1243 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  UC163707  Castilleja pruinosa Geo. D. Butler 1908-6-29 425 Siskiyou Greenhorn Mountain Comment
  RSA189668  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2679 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 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
  CAS-BOT-BC48704  Ceanothus cordulatus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  CDA35569  Ceanothus cordulatus T. C. Fuller 1962-5-17 8734 Siskiyou West of Hwy. 99, 3 miles south of Mt. Shasta City. 0 Comment
  CAS-BOT-BC48389  Ceanothus cuneatus Doris K. Kildale 1929-5-12 7804 Siskiyou Sawyers Bar north fork of Salmon River Comment
  HSC45164  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2954 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  JEPS82333  Ceanothus cuneatus var. cuneatus Roger Raiche 1983-8-14 30616 Siskiyou near suumit of rd to Mt. Eddy (rd to Dead Fall Meadow) Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  CAS-BOT-BC50688  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  POM301658  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11083 Siskiyou 4 miles NE of summit of Buckhorn Mt, on the Weaverville Redding road. 732 Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  UC375367  Ceanothus prostratus Geo. D. Butler 1908-8-2 410 Siskiyou Quartz Valley Comment
  UC796434  Ceanothus prostratus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11737 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  HSC99930  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13348 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  RSA381134  Ceanothus velutinus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC52840  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson, along the Mt. Shasta trail at perhaps 5000 feet 1524 Comment
  CAS-BOT-BC52847  Ceanothus velutinus var. velutinus C. B. Wolf 1931-9-8 1269 Siskiyou 1 mile west of Summit of Grade on road from mt. Shasta City to McCloud 1219 Comment
  CDA7018  Centaurea calcitrapa C. S. Giebner 1960-7-25 Siskiyou Edson Foulke Ranch, ca. 1 mile northeast of Gazelle. 0 Comment
  HSC67031  Centaurea cyanus J. P. Smith, Steve Selva 1970-6-16 4080 Siskiyou Idlewild Campground 808 Comment
  CDA21356  Centaurea pratensis L. Wehmeyer 2001-11-8 s.n. Siskiyou Environmental Education Area off North Shore Rd. in Mt. Shasta. 0 Comment
  NY444414  Centaurea solstitialis M. L. Conrad 1973-6-1 6970 Siskiyou At the north edeg of Hornbrook 731.5 Comment
  CAS-BOT-BC489620  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S1-D Siskiyou From a property along the Klamath River Comment
  OBI55419  Centaurea stoebe subsp. micranthos David J. Keil 1992-7-20 23500 Siskiyou Klamath NF, SW of Fort Jones. 1 mi N of Kelsey crk along Scott River Rd 800 Comment
  HSC33354  Centaurea virgata subsp. squarrosa William J. Ferlatte 1974-6-27 1501 Siskiyou 0.5 mile W of Hawkinsville on Long Gulch Rd.; N side 793 Comment
  POM107576  Cephalanthera austiniae Geo D. Butler 1909-7-15 882 Siskiyou Russian Creek. 1829 Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  JEPS45536  Cercocarpus betuloides var. macrourus W. L. Jepson 1907-7-4 2810 Siskiyou Marble Mountain, Shackelford Canyon Shackelford Canyon; Marble Mountain, Shackelford Canyon Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  CHSC98746  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2007-7-29 9138 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  OBI55466  Chaenactis douglasii var. douglasii David J. Keil, Kathleen Keil 1992-7-21 23538 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) 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
  JEPS81881  Chaenactis suffrutescens Roger Raiche 1982-7-6 20556 Siskiyou near Fort Jones 822 Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  SBBG30541  Chamaebatiaria millefolium D. Myrick 1968-6-22 1987 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC85663  Chamaecyparis lawsoniana Miss Herzinger 1903-11-1 s.n. Siskiyou Scott River Valley Comment
  SEINET7342597 Image available Chamaecyparis nootkatensis Steve Selva, Roger Jensen 1974-1 40 Siskiyou T16N, R5E, Sec 6. Collected in the environs of Devils Punchbowl. Comment
  HSC81200  Chamaesaracha nana Thomas W. Nelson, Jane P. Nelson 1980-7-5 5965 Siskiyou Fowler's Campground 1006 Comment
  CDA35239  Chamaesyce glyptosperma D. H. Shaw Jul 1977 Siskiyou Near Dorris. 0 Comment
  UC642565  Chamaesyce serpyllifolia L. W. Wheeler 1930-6-30 13578 Siskiyou Howard Mount Shasta Comment
  UC873300  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackelford Creek Trail Marble Mts. Comment
  CAS-BOT-BC68241  Cheilanthes gracillima G. J. Muth 1969-8-6 1193 Siskiyou Boulder Peak 2529 Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  POM210924B  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley 8 miles northeast Gazelle 869 Comment
  HSC92339  Chenopodium atrovirens Jennifer Whipple 1977-8-6 2215 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainade into the lake. 2287 Comment
  JEPS59737  Chenopodium botrys Willis L. Jepson 1894-8-9 14859 Siskiyou near Shasta Sprs.; Region of the Upper Sacramento, Horseshoe Bend Comment
  HSC65133  Chenopodium fremontii J. P. Smith, Steve Selva 1970-6-17 4415 Siskiyou Along Klamath River 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
  UC637128  Chenopodium pumilio Edward Lee 1934-8-15 1129 Siskiyou summit of Happy Camp to Waldo (OR) road Klamath National Forest, Indian Creek watershed 1615 Comment
  HSC141  Chimaphila menziesii William J. Ferlatte 1966-8-3 270 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC452267  Chimaphila umbellata Alice Eastwood 1921-7-24 10785 Siskiyou Castle Lake Comment
  CAS-BOT-BC452280  Chimaphila umbellata Doris K. Kildale 1928-8-18 6449 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  UC164392  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-7-12 1074 Siskiyou hill w of Yreka Comment
  UC618842  Chrysolepis sempervirens unknown 1938-9-8 11645 Siskiyou n side Red Butte; Mount Shasta Comment
  CAS-BOT-BC36237  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou north side of Mt. Shasta Comment
  CAS-BOT-BC140656  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument Comment
  RSA300518  Chrysothamnus nauseosus subsp. albicaulis John Dourley, Walter Wisura 1982-10-16 3877 Siskiyou 11 mi NE of Weed along Hwy 97. 1280 Comment
  RSA14944  Chrysothamnus parryi subsp. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  POM296750  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  JEPS15749  Cicuta douglasii Geo. B. Grant Sept, 1902 5141 Siskiyou Mount Shasta, Shasta Springs, Sisson Shasta Springs; Mount Shasta, , Sisson 609 Comment
  HSC30596  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Marble Mountain Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  UC1483509  Cinna latifolia Maralyn A. Renner 1980-8-8 2436 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  JEPS69768  Circaea alpina subsp. pacifica W. B. and V. G. Cooke 1972-7-6 45455 Siskiyou along Mud Creek Dam rd. Mt. Shasta 1371 Comment
  RSA105485  Circaea alpina subsp. pacifica Douglas Barbe 1955-6-30 61 Siskiyou 1.0 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  CAS-BOT-BC105874  Cirsium G. J. Muth 1969-8-12 1369 Siskiyou Second Valley 2225 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  CDA1181  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CAS-BOT-BC278044  Cirsium cymosum Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3347 Siskiyou West of Yreka Comment
  RSA0039347  Cirsium cymosum John F. Emmel 1993-7-28 1281 Siskiyou Northwest Trinity Alps area, Salmon Mts.; slope SE above Rays Gulch, 0.8 air mile north and 0.1 air mile west of peak 4853. 1097 Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC279885  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  POM53737  Cirsium douglasii var. breweri E. B. Copeland 1903-8-14 3934 Siskiyou Sisson 1067 Comment
  CDA1273  Cirsium inamoenum T. R. Haig, F. D. Horn 1979-9-2 s.n. Siskiyou Goosenest Rd., 14 km NE of Tennant. 0 Comment
  OBI54138  Cirsium occidentale var. candidissimum David J. Keil 1992-7-20 23501 Siskiyou Klamath NF, SW of Fort Jones. Along forest Rd 46N64, 1.1 mi W of Scott River Rd Comment
  HSC34345  Cirsium remotifolium J. P. Smith, J. O. Sawyer 1973-8-14 7302 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CAS-BOT-BC286474  Cirsium scariosum A. A. Heller 1905-6-20 8077 Siskiyou Gazelle Comment
  RSA120873  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Hwy 99, 4 miles S of Gazella 915 Comment
  CDA1589  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  OBI54127  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  HSC64522  Clarkia amoena J. P. Smith, Steve Selva 1970-6-15 3927 Siskiyou 7 mi. NW of Forks of Salmon Comment
  UC796568  Clarkia gracilis subsp. gracilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11711 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  JEPS25540  Clarkia lassenensis Rimo Bacigalupi with Lincoln Constance 1959-6-17 7157 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. 97) 1066 Comment
  CAS-BOT-BC164966  Clarkia rhomboidea H. A. Thomas; J. H. Thomas 1954-7-27 4554 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  HSC46173  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2342 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC16271  Clarkia stellata R. C. Wunner 1965-6-6 198 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  JEPS43185  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  SEINET5336338  Claytonia cordifolia G. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  HSC48274  Claytonia lanceolata P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  UC1408943  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle's Lake Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1859 Comment
  CAS-BOT-BC443864  Claytonia sibirica Alice Eastwood 1917-9-2 6676 Siskiyou Shasta Springs Comment
  UCR26232  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou high ridge SW of Etna Comment
  CAS-BOT-BC500965  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA181625  Cnicus benedictus Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 851 Comment
  POM258052  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  CDA17134  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  HSC36934  Collinsia parviflora J. P. Smith 1974-5-26 7560 Siskiyou Along FS Rd. 47N03 1524 Comment
  POM43375  Collinsia parviflora Geo. D. Butler 1910-3-20 1133 Siskiyou Yreka. Comment
  JEPS6165  Collinsia rattanii Geo. D. Butler 1909-4-26 616 Siskiyou Oro Fino Comment
  POM208360  Collinsia rattanii Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  SBBG6893  Collinsia torreyi var. latifolia H. and M. Dearing 1939-7-2 3807 Siskiyou Salmon Mtn 1828 Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  UC195221  Collinsia torreyi var. latifolia Annie M. Alexander and Louise Kellogg 1911-7-16 253 Siskiyou South Fork Salmon River 914 Comment
  JEPS71029  Collomia grandiflora Geo. D. Butler 1908-8-9 106 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  RSA12614  Collomia grandiflora C. B. Wolf 1934-7-5 5971 Siskiyou 6-6/10 mi. from Dry Lake Lookout on rd. to Oak Knoll R. S. on Klamath River 1524 Comment
  HSC45798  Collomia heterophylla J. P. Smith 1976-5-4 8657 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  CAS-BOT-BC94908  Collomia tinctoria R. C. Wenk 2005-7-15 202 Siskiyou Trinity Alps, above S Fork of Salmon River, along Yellow Rose Mine Trail 1767 Comment
  HSC60958  Collomia tinctoria Ruby Van Deventer 14 Jun [year missing] Siskiyou Chicago Peak Comment
  CAS-BOT-BC230670  Collomia tracyi Alice Eastwood; John Thomas Howell 1937-6-26 5041 Siskiyou Salmon Mountains above Taylor Creek Comment
  HSC30497  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Marble Mtn. Wilderness Area, along main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin Comment
  HSC45974  Collomia tracyi J. P. Smith, Steve Selva 1970-6-15 3898 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC6131  Comandra umbellata subsp. californica C. B. Bradley 1879-1 Siskiyou Comment
  UC848988  Comandra umbellata subsp. californica W. Bridge Cooke 1941-6-7 16007 Siskiyou near Mount Shasta City (along the Abrams Lake Road); Abrams Lake Road 1066 Comment
  SEINET516295  Conium maculatum Vernon H. Oswald 1998-9-16 9644 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi E of Hwy. 97. 1244 Comment
  UC60933  Convolvulus arvensis Geo. B. Grant September, 1902 5219 Siskiyou Sisson Mount Shasta (railway bank) 914 Comment
  RSA394806  Convolvulus arvensis Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  HSC19267  Corallorhiza mertensiana J. O. Sawyer 1968-6-25 327 Siskiyou 1646 Comment
  RSA758225  Corallorhiza mertensiana Robert F. Thorne 1969-8-2 63321 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC32966  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  UC1012233 Image available Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-19 26184 Siskiyou N of Mt. Shasta City, Siskiyou Co. Comment
  HSC101187  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; along road, starting 0.6 miles east of road 20M020 and extending at least 1.2 miles. 933 Comment
  HSC74909  Cordylanthus tenuis subsp. viscidus J. P. Smith 1978-7-1 9957 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  JEPS57137  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1967-7-5 1603 Siskiyou n side Mt. Shasta (along Bolam logging road) 1524 Comment
  UCD123181  Cordylanthus tenuis subsp. viscidus K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  HSC23694  Cornus canadensis J. O. Sawyer 1969-8-5 1788 Siskiyou Along Sugar Creek. 1921 Comment
  HSC19271  Cornus nuttallii J. O. Sawyer 1968-6-19 252 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC61181  Cornus nuttallii W. A. Setchell, C. C. Dobie 1902-6-18 Siskiyou Mt. Shasta, Sisson Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  SEINET12136386  Cornus nuttallii M. Ownbey, Brown, D. H. 1941-1 2426 Siskiyou on road between Craggy Mountain & Deadwook Lookout, NW of Yreka Comment
  CAS-BOT-BC210411  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  CAS-BOT-BC210419  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  UC1040689  Corylus californica Beecher Crampton 1956-8-21 3848 Siskiyou canyon of the Sacramento River just above the north fork junction with south and middle forks 1066 Comment
  CAS-BOT-BC180202  Corylus cornuta subsp. californica Alice Eastwood 1912-7-15 1093 Siskiyou Mc. Cloud Comment
  UCR246630  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Hwy 3 on Lighthill Road south of Fort Jones 831 Comment
  HSC101827  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-7-31 13346 Siskiyou Fence row along on Collier Way in Etna. 884 Comment
  CAS-BOT-BC376448  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC376550  Crepis occidentalis subsp. conjuncta E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1932 Siskiyou About 8 mi. south of Yreka 810 Comment
  CAS-BOT-BC290861  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 2145 Comment
  CAS-BOT-BC290868  Crepis pleurocarpa Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC290869  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  CDA4439  Crepis pleurocarpa Agricultural Commissioner Aug 1951 Siskiyou Macdoel. 0 Comment
  HSC43863  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC44725  Crepis pleurocarpa J. O. Sawyer, E. Cope 1977-6-18 2904 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC455528  Crepis pleurocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  UC166183  Crocidium multicaule Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka Hills Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  HSC19011  Cryptantha affinis J. O. Sawyer 1969-7-9 1209 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC74821  Cryptantha affinis J. P. Smith, Jennifer Whipple 1978-7-2 9981 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SBBG25872  Cryptantha affinis D. Myrick 1966-8-12 1546 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC726531  Cryptantha affinis A. A. Heller 1916-6-20 12397 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  JEPS105334  Cryptantha ambigua Dean W. Taylor 1995-6-4 14964 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  JEPS69751  Cryptantha intermedia W. B. and V. G. Cooke 1972-6-30 45410 Siskiyou above Andesite crossing (Military Pass Road); Mt. Shasta 1524 Comment
  UC61113  Cryptantha intermedia T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA237233  Cryptogramma acrostichoides Frederick W. Oettinger 1967-7-8 158 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC80538  Cupressus bakeri James P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road Comment
  CAS-BOT-BC80555  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou Northwest slope of [Goose Nest] Goosenest, East of Yreka 1828 Comment
  CAS-BOT-BC80561  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava [beds] Beds, s.e. Siskiyou Co. 1036 Comment
  NY16595  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards northeast of Quarry 1109.5 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  NY16611  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA142696  Cupressus bakeri Al Hobart 1961-7-13 4 Siskiyou Mt. Preston 2134 Comment
  RSA17602  Cupressus bakeri C. B. Wolf 1934-7-8 6166 Siskiyou 1 mile NE of Timbered Butte, Modoc Lava beds on Old Stage Road from Dana Little Hot Springs Valley Comment
  JEPS25542  Cuscuta californica Rimo Bacigalupi with Lincoln Constance 1959-6-17 7159 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. Highway 97) 1066 Comment
  RSA184718  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  RSA666423  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  POM210879  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head East Fork Horse Creek. Siskiyou Mountains. 1982 Comment
  RSA70993  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-7-31 3011 Siskiyou 1 mi. E Dry Lake Lookout. 1829 Comment
  UC126701  Cycladenia humilis var. humilis Milo S. Baker 1896-6-10 101 Siskiyou Sisson Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  HSC69251  Cystopteris fragilis J. O. Sawyer, J. Cole 1980-7-20 3720 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  CDA42723  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou North side of road, 2 miles (3.2 km) east of Callahan, at Highway 3 bridge over East Fork Scott River. Comment
  RSA237513  Cystopteris fragilis Frederick W. Oettinger 1969-7-11 984 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CHSC6718  Dactylis glomerata B. Anthony 1968-6-2 573 Siskiyou Pasture of Betty Anthony, Old Etna, 2 miles from Etna. Comment
  HSC9541  Dactylis glomerata C. B. Wolf 1927-8-26 1105 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  CAS-BOT-BC192250  Danthonia californica Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  HSC103046  Danthonia unispicata J. P. Smith 2014-6-7 13904 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  CAS-BOT-BC76231  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou On side of ridge above Grouse Creek, about 1.5 mile from Carmen Lake. 1584 Comment
  HSC66259  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  RSA120753  Darlingtonia californica S. Tillett 1956-7-11 679 Siskiyou Both sides of Scott Mountain divide near campground; Siskiyou-Trinity Co. lines, 8 miles SE of Callahan [Siskiyou-Trinity counties]. 1616 Comment
  RSA698848  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  HSC58894  Dasiphora fruticosa Marvin Butler 1971-8-2 257 Siskiyou Near El Capitan, close to the town of Cave Junction 2081 Comment
  SEINET1004226  Delphinium depauperatum Mark Fishbein, Lane Greer 2006-1 5883 Siskiyou Payness Creek, at road crossing below Payness Springs, about 2 mi southeast of Medicine Lake. 1975 Comment
  JEPS23356  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou w Yreka; Humbug Divide Comment
  CAS-BOT-BC116162  Delphinium nuttallianum D. E. Breedlove 1962-6-11 3362 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range. 1127 Comment
  HSC41678  Delphinium nuttallianum Jennifer Whipple 1976-6-30 1210 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC44963  Delphinium nuttallianum J. O. Sawyer 1978-6-21 3279 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC61773  Delphinium nuttallianum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC720  Delphinium nuttallianum William J. Ferlatte 1967-7-26 743 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  SBBG2168  Delphinium nuttallianum H. and M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  UC204799  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC192460  Deschampsia cespitosa subsp. cespitosa Saxton; Canfield 1922-8-3 80 Siskiyou Klamath National Forest. Thompson Creek Comment
  SEINET10835347  Deschampsia cespitosa subsp. cespitosa Lawrence P. Janeway 1983-1 Janeway 545 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. In upper portion of the meadow; wet. 1524 Comment
  CAS-BOT-BC201633  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  CAS-BOT-BC201947  Deschampsia elongata Louis C. Wheeler 1934-6-3 2629 Siskiyou Cherry Flat, Klamath River, Siskiyou Mts. 518 Comment
  HSC19144  Deschampsia elongata J. O. Sawyer 1969-7-23 1450 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC86561  Deschampsia elongata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
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Mar 22 2012
  RSA238399  Deschampsia elongata Frederick W. Oettinger 1969-8-22 1502 Siskiyou South side of Horse's Hole near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA602388  Deschampsia elongata L. C. Wheeler 1935-7-26 3704 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  UC1265420  Deschampsia elongata Frederick W. Oettinger and R. W. Thorne 1969-8-5 1190 Siskiyou n.w. side English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  UC203930  Deschampsia elongata Geo. D. Butler 1910-7-7 1648 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC42980  Descurainia incisa subsp. incisa Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  UCD77603  Descurainia incisa subsp. incisa Robert E. Preston 2001-6-30 1639 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  CAS-BOT-BC43085  Descurainia longipedicellata Roxana S. Ferris; Laura Lorraine 1948-6-12 11829 Siskiyou Gazelle Mountain grade, Gazelle-Callahan Road. 1499 Comment
  UCD114762  Descurainia pinnata R. E. Preston 1982-5-1 275 A Siskiyou 0.75 mile south of Camp Creek campground, Irongate Reservoir. 701 Comment
  CAS-BOT-BC43518  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  CAS-BOT-BC43523  Descurainia sophia L. S. Smith 1912-7-1 s.n. Siskiyou Yreka. Comment
  HSC67584  Dicentra formosa J. P. Smith 1973-5-5 6410 Siskiyou Along Cook and Green Pass Rd. Comment
  UCSB26447  Dicentra formosa Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC402473  Dicentra formosa subsp. formosa Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  HSC91286  Dicentra pauciflora Jennifer Whipple 1976-6-12 987 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2378 Comment
  UC164157  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  UC454399  Dichelostemma capitatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  UC375189  Dichelostemma multiflorum Geo. D. Butler 1908-6-29 117 Siskiyou near Oro Fino Comment
  SD73134  Dieteria canescens Darley F. Howe 1969-8-30 Siskiyou 1.3 miles south of Weed on Highway 5. 1130 Comment
  CAS-BOT-BC290998  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291002  Dieteria canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou McCloud Comment
  CHSC99210  Dieteria canescens var. shastensis L. P. Janeway; B. Castro 2007-7-28 9126 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  CAS-BOT-BC153737  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou U. S. Highway 97, 8.3 miles north of Weed Comment
  HSC19279  Dodecatheon alpinum J. O. Sawyer 1968-6-18 248 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UCD77606  Dodecatheon alpinum Robert E. Preston 2001-6-23 1609 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  UC1733727  Dodecatheon hendersonii Kay H. Beach, Frank Gould 1940-5-15 624 Siskiyou upper Bull Meadows Bull Meadows Comment
  POM76574  Dodecatheon hendersonii Geo. D. Butler 1230 Siskiyou Pine woods, Quartz Valley Comment
  RSA215607  Dodecatheon jeffreyi Gilbert Muth 1969-8-11 1362 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  JEPS94820  Downingia insignis Vernon H. Oswald and Lowell Ahart 1998-6-11 9217 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  JEPS103651  Downingia yina T. Obrien 1996-8-9 Siskiyou Klamath National Forest. Vernal pool approximately 6.0 miles E of HWY 97 on Tennant Road, W of Tennant 1463 Comment
  UC909358  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou above Beswick; Shovel Creek Comment
  CAS-BOT-BC41311  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mountain Wilderness Area. Ridge top just north of Black Mountain. 2103 Comment
  UC1409434  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou cliffs above English Lake to Diamond Lake trail on English Lake side of pass Marble Mountain Wilderness Area, Salmon Mountains (High Lake Basins in vicin of English Peak, Western Siskiyou County) 2225 Comment
  JEPS60249  Draperia systyla L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2315 Siskiyou Near Fall Creek Inn along Gilman Road, between Sacramento and McCloud arms of Shasta Lake 396 Comment
  JEPS125885  Drosera rotundifolia Dean W. Taylor with Glenn L. Clifton 1996-7-27 15853 Siskiyou Shasta-Trinity National Forest; Lower Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  HSC29474  Drymocallis lactea var. lactea Frederick W. Oettinger 1969-7-13 1002 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  CAS-BOT-BC540709  Drymocallis pseudorupestris var. saxicola Dana York 2012-7-21 3142 A Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, a few meters below summit of Red Butte 2040 Comment
  HSC45487  Dulichium arundinaceum Maralyn O'Meara 1973-6-5 196 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC65322  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4438 Siskiyou 915 Comment
  UCD169261  Elaeagnus angustifolia T. Bruchman 1978-7-1 299 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  RSA365423  Eleocharis acicularis var. acicularis L. C. Wheeler 1934-6-29 2827 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  JEPS19409  Eleocharis bella B. C. Goldsmith 1916-9-9 22 Siskiyou Klamath Hot Springs Comment
  UC2026511  Eleocharis bella Louis C. Wheeler 1958-8-24 7428 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  RSA577567  Eleocharis bella L. C. Wheeler 1935-7-20 3677 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC113350  Eleocharis engelmannii Doris K. Kildale 1928-7-25 5890 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  HSC46340  Eleocharis macrostachya J. P. Smith, Steve Selva 1970-6-15 3918 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS19425  Eleocharis macrostachya B. C. Goldsmith 1916-9-9 26 Siskiyou Klamath Hot Springs Comment
  CAS-BOT-BC112697  Eleocharis parishii Martin Simon Jussel 1936-7-3 s.n. Siskiyou Dunsmuir. Comment
  CAS-BOT-BC112016  Eleocharis suksdorfiana Elmer Ivan Applegate 1995-5-28 s.n. Siskiyou Sacramento River below Sisson. 18th crossing of SPR Comment
  SD112901  Elymus elymoides var. brevifolius D. F. Howe 1979-6-26 5117 Siskiyou Military Pass Road, 3 miles southeast of #97 Comment
  HSC30696  Elymus elymoides var. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  RSA239023  Elymus glaucus Frederick W. Oettinger 1968-9-2 666 Siskiyou Southwest of Upper English Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC206600  Elymus glaucus subsp. glaucus Wm. Bridge Cooke; V. G. Cooke 1966-7-17 37252 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  HSC38844  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3932 Siskiyou Between Forks of Salmon and Cecilville. Comment
  UC1130623  Elymus trachycaulus H. S. Yates 1936-6-21 5819 Siskiyou 1 mi se Gazelle; Etna Quadrangle Comment
  CHSC106273  Elymus trachycaulus subsp. trachycaulus Lowell Ahart; John Dittes 2010-7-30 16968 Siskiyou About 20 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC92388  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-7-21 2025 Siskiyou Near Durney Lake 2073 Comment
  CHSC91356  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2005-6-10 12077 Siskiyou On the north side of the Shasta River, 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
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  POM248138  Epilobium anagallidifolium W. Bridge Cooke 1939-8-24 13902 Siskiyou Mount Shasta: West branch of Squaw Valley Creek in the Heather Meadow. Comment
  RSA237650  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  POM258622  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15341 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1524 Comment
  SD3238  Epilobium brevistylum Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC166836  Epilobium canum subsp. latifolium Doris K. Kildale 1925-9-7 1303 Siskiyou Mouth of Dillon Creek on Klamath River Comment
  CHSC106268  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2010-7-30 16952 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA211361  Epilobium ciliatum subsp. ciliatum William J. Ferlatte 1966-8-2 226 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  JEPS109702  Epilobium ciliatum subsp. glandulosum Dean W. Taylor 2002-7-20 18262 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  RSA264969  Epilobium ciliatum subsp. glandulosum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  HSC61776  Epilobium luteum Ruby Van Deventer 16 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  HSC43866  Epilobium minutum Maralyn O'Meara 1974-5-25 377 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SEINET3149850  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 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
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC204623  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  HSC4051  Eremogone congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mtn. Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC286702  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  UC1408800  Ericameria bloomeri Robert F. Thorne and Fred Oettinger 1969-8-10 38988 Siskiyou s slope of Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  UC455819  Ericameria bloomeri I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  CAS-BOT-BC286696  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On rd. to McCloud 1/2 mi. above junction with Pacific Highway 1097 Comment
  CAS-BOT-BC287495  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Klamath Forest 1828 Comment
  CAS-BOT-BC298251  Ericameria nauseosa var. oreophila Elmer I. Applegate 1923-8-21 3926 Siskiyou Willow Creek, S of Lower Klamath Marsh Comment
  UC87229  Ericameria nauseosa var. oreophila K. Brandegee 1887-7-1 Siskiyou Gazelle Comment
  CAS-BOT-BC294298  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC294299  Ericameria nauseosa var. speciosa K. T. Stillman 1976-9-9 482 Siskiyou Jump off point; trail to Box Camp 1950 Comment
  CHSC96728  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Mount Eddy, Klamath Mountains. Wagon Creek drainage on the east face of Mount Eddy. 2438 Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  SD249139  Erigeron aliceae David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Moutains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC917225  Erigeron aliceae R. Tofsrud and J. M. Tucker 1948-8-3 1782 Siskiyou summit of Happy Camp - Waldo (Oregon) road (on Del Norte-Siskiyou County line) 1554 Comment
  HSC96679  Erigeron bloomeri var. bloomeri Thomas W. Nelson, Susan Erwin 2004-6-3 9223 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  POM257621  Erigeron bloomeri var. pubens C. L. Hitchcock, J. S. Martin 1939-7-9 5329 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  JEPS84320  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above an w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  CAS-BOT-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  CAS-BOT-BC296951  Erigeron eatonii var. eatonii A. A. Heller 1922-7-15 13698 Siskiyou In wet soil at the western entrance to Medicine Lake 2133 Comment
  UC1299458  Erigeron eatonii var. plantagineus Freed W. Hoffman 1948-7-12 2459 Siskiyou Little Shasta to Mt. Hebron road 10 mi w Mt. Hebron 1615 Comment
  CAS-BOT-BC300476  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  CLARK-A1528-7791  Erigeron foliosus var. hartwegii John C. Roos 1948-9-1 3950 Siskiyou Etna Comment
  CAS-BOT-BC295395  Erigeron inornatus Dr. E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  SBBG25833  Erigeron inornatus D. Myrick 1966-8-13 1555 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC100277  Erigeron inornatus var. inornatus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13075 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  UC179498  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou e side Mt. Eddy 2499 Comment
  CAS-BOT-BC295806  Erigeron petrophilus var. viscidulus W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge. Salmon Mts. Comment
  CAS-BOT-BC300082  Erigeron philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1005 Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CDA4640  Erigeron strigosus Don Shaw 1978-10-1 Siskiyou D.H. Shaw property, Montague. 0 Comment
  SBBG17643  Eriodictyon californicum M. A. Piehl 1956-8-14 Siskiyou rd near Happy Camp Comment
  SBBG15739  Eriodictyon lobbii D. Myrick 1961-6-22 319 Siskiyou Hwy 89 near McCloud 914 Comment
  CDA22485  Eriogonum compositum F. D. Horn 1977-5-12 Siskiyou Highway 263, Shasta River Canyon, Yreka. 0 Comment
  CHSC75737  Eriogonum compositum var. compositum Vernon H. Oswald; Lowell Ahart 1999-7-5 9803 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn. 1158 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC635010  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  CAS-BOT-BC250073  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 s.n. Siskiyou Upper 3rd to top of ridge, Marble Valley Comment
  HSC46891  Eriogonum compositum var. compositum William J. Ferlatte 1974-7-13 1516 Siskiyou Canyon of the S Fork of Salmon River near falls 436 Comment
  HSC43405  Eriogonum douglasii var. douglasii K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  CAS-BOT-BC255728  Eriogonum elatum var. elatum Gilbert J. Muth 1969-8-6 1244 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC255729  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Klamath Forest 1828 Comment
  CAS-BOT-BC255757  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UCD19115  Eriogonum elatum var. villosum A. M. Shapiro 1986-7-16 s.n. Siskiyou Ball Mountain. 1981 Comment
  CAS-BOT-BC261212  Eriogonum hirtellum D. F. Howe 1962-8-4 s.n. Siskiyou Baldy Mt. 1432 Comment
  CAS-BOT-BC259365  Eriogonum lobbii John Thomas Howell 1937-7-24 13420 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA264975  Eriogonum lobbii var. lobbii Gilbert Muth 1975-7-31 6034 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  SEINET5330458  Eriogonum luteolum J. L. Reveal, Mark L. Reveal 1975-8-15 3949 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Daggett Creek Road on the west slope of Cedar Cove, about 2.2 miles north of California Highway 96, Comment
  UC637104  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou near Hamburg (s bank of Klamath River between McKinney and Parkouse creeks); Klamath River 609 Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  RSA766346  Eriogonum marifolium W. Bridge Cooke 1941-9-10 16290 Siskiyou In the vicinity of Horse Camp, Mt. Shasta. 2439 Comment
  HSC66406  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3793 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC261624  Eriogonum nudum var. nudum John Thomas Howell 1939-8-2 14889 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC75193  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 358 Siskiyou Marble Mountain Wilderness Area Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  CAS-BOT-BC269741  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka 807 Comment
  SEINET5330933  Eriogonum nudum var. oblongifolium G. Butler 1910-6-26 1605 Siskiyou Dry land near Yreka Comment
  JEPS56648  Eriogonum nudum var. pubiflorum W. L. Jepson 1907-7-22 2954 Siskiyou Hamburg Klamath River, Hamburg Comment
  CAS-BOT-BC252962  Eriogonum pyrolifolium var. pyrolifolium R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  SD53341  Eriogonum pyrolifolium var. pyrolifolium Darley F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta 2438 Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  SD23785  Eriogonum siskiyouense William Bridge Cooke Aug 1938 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  JEPS108711  Eriogonum ternatum Thomas W. Nelson and Jane P. Nelson 2006-8-4 9465 Siskiyou Scott Mountain S of junction of Forest service Rd. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08E side of North-South running ridge. 1670 Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  HSC66393  Eriogonum umbellatum Maralyn A. Renner 1980-6-24 1059 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  SBBG1641  Eriogonum umbellatum H. and M. Dearing 1938-6-28 2184 Siskiyou Mt Shasta 1524 Comment
  JEPS83872  Eriogonum umbellatum var. argus Wayne Roderick July 1976 Siskiyou along trail to Copper Butte (vicinity Cook and Green Pass); Siskiyou Mts. 1767 Comment
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  UC849589  Eriogonum umbellatum var. dumosum A. A. Heller 1938-7-13 15271 Siskiyou just s Bray 1402 Comment
  UC1413439  Eriogonum umbellatum var. goodmanii James L. Reveal, Caroline G. Reveal 1974-8-18 3799 Siskiyou along the road to Bolan Mountain Lookout 1.4 mi e O'Brien-Happy Camp road; Siskiyou Mountains 1645 Comment
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Nov 15 2011
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC43433  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-9 1400 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2226 Comment
  HSC43436  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-6-30 1188 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC262370  Eriogonum vimineum Gordon H. True No date on label 3295 Siskiyou Scott Valley, just west of Fort Jones 792 Comment
  RSA254926  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 Comment
  CAS-BOT-BC301105  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  HSC68416  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-9 838 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA715933  Eriophyllum lanatum var. grandiflorum L. Ahart, John Dittes 2005-6-10 12090 Siskiyou About 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC563835  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou s cinder slope of Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  RSA264987  Eriophyllum lanatum var. lanceolatum G. L. Clifton 1975-7-28 5756 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  SJSU6503  Eriophyllum lanatum var. lanceolatum R. W. Trivelpiece 1972-6-18 125 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 807 Comment
  RSA165610  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1961-6-30 8000 Siskiyou Near White Mt. Comment
  UC618618  Erodium cicutarium unknown 1938-6-24 11084 Siskiyou MacBride Springs Mount Shasta Comment
  HSC62632  Erysimum capitatum Stansell 1928-6-18 Siskiyou Youngs Valley Comment
  RSA50152  Erysimum capitatum var. capitatum E. K. Balls 1949-7-10 13958 Siskiyou 8 miles from Sawyer s Bar on road to Cecilville. 793 Comment
  UC922602  Erysimum capitatum var. capitatum Annie M. Alexander and Louise Kellogg 1948-9-7 5594 Siskiyou on road between first fork to Lookouts and second fork to Lookouts; Siskiyou Mountains, Black Bear Summit Comment
  CAS-BOT-BC55109  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  LA87409  Erysimum perenne J. M. Tucker; 1963-7-7 3717 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  CAS-BOT-BC505231  Erythronium grandiflorum D E Breedlove 1962-6-10 3292 Siskiyou Large meadow at Poker Flat, 3 miles west of Indian Creek Road, about 20 miles northwest of Happy Camp 1524 Comment
  UC375278  Eschscholzia californica Geo. D. Butler 1908-6-23 1063 Siskiyou near Yreka Comment
  HSC36720  Eschscholzia californica Brent Whiteley 1975-6-22 24 Siskiyou 220 Comment
  HSC67576  Eschscholzia californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5726 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  UC1409464  Eucephalus glabratus Frederick W. Oettinger 1968-8-16 548 Siskiyou Hancock Lake, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1935 Comment
  UC896392  Eucephalus glabratus A. A. Heller 1915-8-26 12242 Siskiyou n side Mt. Eddy 1767 Comment
  JEPS41319  Eucephalus ledophyllus Ruby Van Deventer 1938-7-31 38 Siskiyou s of, sw of Poker Flat Lookout Mountain (Twin Valley Trail) 1219 Comment
  HSC62619  Eucephalus ledophyllus var. ledophyllus Ruby Van Deventer 1962-8-15 Siskiyou Youngs Valley Comment
  JEPS24815  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou just below and n of Scott Mountain 1615 Comment
  HSC2274  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Comment
  SEINET957942  Fabaceae G. D. Butler 1910-1 1441 Siskiyou Dry banks near Guka. Comment
  HSC67573  Fallopia convolvulus J. P. Smith, Steve Selva 1970-7-17 4442 Siskiyou 915 Comment
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC283178  Festuca californica subsp. californica Clarence R. Quick 1959-6-19 59 -05 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC283179  Festuca californica subsp. californica Roxana S. Ferris; Laura Lorraine 1948-6-12 11798 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC30510  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  POM211393  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  SEINET238637 Image available Festuca idahoensis Barbara L. Wilson 1996-6-21 8153 Siskiyou Shasta National Forest ; Coonrod Flat 1.4 miles straight east of Forest Service road 13 on Forest Service road 40N12. Comment
  HSC71185  Festuca occidentalis M. A. Baker 1980-6-20 2217 Siskiyou Near Bald Mtn. 1036 Comment
  UCD66154  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC82221  Festuca pratensis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4541 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET10553347  Festuca pratensis A. Arthur Heller 1915-8-24 Heller 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. The prevalent tree is Douglas fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 1189 Comment
  SBBG82381  Festuca rubra C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  SJSU11321  Festuca subulata S. H. Casey 1981-7-4 1213 Siskiyou Seiad Creek Road near Cook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  CAS-BOT-BC278641  Festuca subulata Doris K. Kildale 1928-7-3 5453 Siskiyou Little North Fork, Salmon River on road from Forks of Salmon to Sawyers Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  HSC68992  Frangula californica Maralyn A. Renner 1980-7-28 2170 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CAS-BOT-BC53259  Frangula californica subsp. californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  SBBG26938  Frangula purshiana subsp. purshiana D. K. Kildale 1928-8-20 Siskiyou between Finleys upper camp and English Lake, Salmon Mtns 1371 Comment
  CAS-BOT-BC55721  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 mi. No. of Mt. Shasta City on the Pacific Highway 1219 Comment
  CAS-BOT-BC59597  Frangula rubra subsp. rubra Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  RSA215599  Frasera speciosa Gilbert Muth 1969-8-7 1232 Siskiyou East side of Boulder Peak Ridge. 2500 Comment
  UC1409213  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou nw of Upper English Lake (vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  POM109768  Fritillaria pudica Geo D. Butler 1910-3-11 1121 Siskiyou Dry hills near Yreka Comment
  UC75638  Fritillaria pudica Miss Anna Conau 1906-1 Siskiyou Fort Jones Comment
  RSA256611  Fritillaria recurva J. P. Smith 1974-5-25 7435 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  HSC68323  Galium aparine J. P. Smith, Steve Selva 1970-6-14 3859 Siskiyou Comment
  SD211695  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 airmiles west of Mt. Shasta City. 1890 Comment
  UCD121773  Galium grayanum Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain. 2133 Comment
  JEPS52759  Galium porrigens var. porrigens G. Ledyard Stebbins 6136 Siskiyou 2 mi w Cecilville (on road to Forks of Salmon) Comment
  JEPS25770  Galium triflorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7455 Siskiyou about 13 air mi n Happy Camp (on jeep-road along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Crk drainage from that of Illinois R., leading to Twin Valley) 1584 Comment
  HSC19066  Galium triflorum J. O. Sawyer 1969-7-26 1587 Siskiyou Along Sugar Creek 1707 Comment
  CAS-BOT-BC182245  Garrya fremontii C. B. Wolf 1931-9-2 s.n. Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC192148  Garrya fremontii L. E. Smith 1913-4-2 s.n. Siskiyou near Castle Crags Station Comment
  HSC31327  Garrya fremontii K. L. Chambers 1967-6-22 2848 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  RSA238747  Garrya fremontii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1199 Siskiyou South east facing slope by 'Willow Springs' along the trail between Abbotts Upper Cabin and English Lake; Salmon Mountains, Marble Mountain Wilderness Area. 1677 Comment
  RSA238889  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  UC1174946  Garrya fremontii P. C. Everett and E. K. Balls 1959-10-24 23947 Siskiyou on road from Sawyers Bar to Somesbar (Forks of Salmon River); Salmon River 381 Comment
  POM78079  Garrya fremontii Geo. D. Butler 1909-3-21 562 Siskiyou Oro Fino Comment
  RSA238350  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Common along the northern shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC58940  Gaultheria shallon Elmer I. Applegate 1930-8-11 6601 Siskiyou No-see-'em Camp, Cook and Greene Trail, siskiyou Mountains, Applegate River watershed. Comment
  HSC29483  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou Salmon Mtns., in front of NW face of Tom Taylor Cabin 2055 Comment
  JEPS27519  Gayophytum heterozygum W. L. Jepson Jul 17 1902-Jul 22 1902 2102 Siskiyou The Devil's Backbone; w Siskiyou Co. 1828 Comment
  UC1112874  Gayophytum heterozygum Wagnon 1957-8-11 1700 Siskiyou e slope of mt. ca 1 mi w Military Pass Rd. (along Rd. to Brewer's Cr.); Mt. Shasta Comment
  POM258620  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15340 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1372 Comment
  RSA13839  Gayophytum heterozygum Louis C. Wheeler 1934-7-5 2890 Siskiyou Hungry Creek. Siskiyou Mtns. Mt. Diablo Meridian. 1372 Comment
  HSC16395  Gayophytum humile R. C. Wunner 1965-6-7 113 Siskiyou Lava Beds N.M., 0.5 mi. from Indian Well Campground on road to Dragon Head Cave Comment
  HSC29486  Gayophytum humile Frederick W. Oettinger, R. F. Thorne 1969-8-5 1189 Siskiyou Salmon Mtns., trail, English Lake to Abbotts 1707 Comment
  SEINET8726297 Image available Gayophytum ramosissimum Lewis S. Rose 1937-1 37599 Siskiyou Shasta Springs. 914 Comment
  CHSC659  Gentiana calycosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2286 Comment
  UC123657  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou near bank McCloud R. Comment
  UC878459  Gentiana calycosa John Thomas Howell 1939-8-8 15145 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC123771  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  RSA0029594  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  RSA237947  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill north of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  JEPS84253  Gilia capitata subsp. capitata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6307 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp); rd from Takilma to Happy Camp Comment
  RSA780162  Gilia capitata subsp. capitata Brian W. Keelan 2011-8-12 s.n. Siskiyou Siskiyou Mountains, ca. 2 miles E of Cook and Green Pass and 5 miles S of the Oregon border (30 mils W of Interstate 5) 1719 Comment
  UC1409305  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Red Hill n Hancock 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 1996 Comment
  HSC26621  Glyceria elata J. P. Smith, Steve Selva 1970-6-15 3916 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC26894  Glyceria elata J. P. Smith, J. O. Sawyer 1971-9-17 4788 Siskiyou On trail up to Little Duck lake 1829 Comment
  LA86548  Glyceria elata J. M. Tucker; 1963-8-19 3774 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 Comment
  UCD85158  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CDA28233  Glyceria elata T. C. Fuller 1975-10-23 20114 Siskiyou North side of Klamath River Hwy, Hwy 96, 1 mile west of Happy Camp. 0 Comment
  HSC31072  Glyceria striata Frederick W. Oettinger 1969-8-19 1468 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak, N of English Lake. 1860 Comment
  RSA240048  Gnaphalium palustre Frederick W. Oettinger 1969-8-21 1479 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC19395  Goodyera oblongifolia J. O. Sawyer 1968-6-18 195 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC42889  Goodyera oblongifolia K. T. Stillman 1976-8-15 403 Siskiyou Along Specimen Creek 915 Comment
  UCD169266  Grayia spinosa T. Bruchman 1978-7-1 147 -A Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  POM58287  Grindelia nana E. B. Copeland 1903-8-14 3884 Siskiyou Sisson. Comment
  CAS-BOT-BC388471  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  HSC38812  Hackelia bella J. O. Sawyer 1970-7-4 2326 Siskiyou At Cedar Flat Cabin 1402 Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  UC618694  Hackelia californica W. Bridge Cooke 1938-7-1 11147 Siskiyou below Wagon Camp (meadow below the main Wagon Camp Meadow); Mount Shasta Comment
  HSC22137  Hackelia micrantha J. O. Sawyer 1969-7-3 1040 Siskiyou Near Lipstick Lake 1951 Comment
  HSC61913  Hackelia micrantha Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC722440  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou Takilma-Happy Camp Road 1676 Comment
  RSA183748  Hackelia micrantha Gilbert Muth 1965-8-17 309 Siskiyou Marble Valley, Marbles Mts. Comment
  SBBG30578  Hastingsia alba D. Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC508654  Hastingsia alba John Thomas Howell 1939-8-3 14985 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM169177  Hastingsia alba E. B. Copeland 1903-9-7 3877 Siskiyou Mount Eddy 1829 Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  CAS-BOT-BC302455  Hazardia whitneyi var. discoidea Peter H. Raven 1956-9-4 10378 Siskiyou Ridge s. of Mt. Eddy 2286 Comment
  JEPS84317  Hazardia whitneyi var. discoidea L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6327 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte) 1850 Comment
  UC637160  Helenium autumnale Edward Lee 1934-8-12 1051 Siskiyou e end Seiad Valley (near mouth of Walker Creek, a tributary of the Klamath River); Klamath River, Walker Creek 426 Comment
  CHSC351  Helenium bigelovii V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC68351  Helianthus annuus J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  POM211774  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka. (Mt. Diable Mer.) 854 Comment
  CAS-BOT-BC313467  Hemizonella minima John Thomas Howell 1937-7-21 13170 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM210916  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka. 854 Comment
  HSC69403  Heracleum maximum Maralyn A. Renner 1980-8-8 2434 Siskiyou Rattlesnake Meadow 1646 Comment
  RSA612323  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-5-1 3449 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  RSA184729  Hesperochiron pumilus Gilbert Muth 1966-7-8 368 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  CAS-BOT-BC311087  Heterotheca oregona var. rudis Annie M. Alexander; Louise Kellogg 1948-9-4 5580 Siskiyou Siskiyou Mountains. Salmon River Comment
  POM40918  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  SEINET3166440  Heterotheca oregona var. rudis Unknown 1986-8-16 8471 Siskiyou CA-96, just W of Happy Camp, at confluence of Indian Creek and Klamath River Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  CAS-BOT-BC420738  Heuchera merriamii L. R. Short 1933-8-6 24 Siskiyou Klamath Forest 1889 Comment
  JEPS74565  Heuchera merriamii W. J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge; Trinity Alps 2042 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  RSA0066186  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  UC1333337  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou above Paradise Lake; Siskiyou Moauntains, Salmon Mt 1981 Comment
  UC144318  Heuchera micrantha var. diversifolia A. A. Heller 1905-6-17 8060 Siskiyou near Sisson Comment
  UC705879  Heuchera micrantha var. diversifolia Marion Ownbey, Fred G. Meyer 1940-7-4 2175 Siskiyou nw of Hornbrook; Siskiyou Mts Comment
  CAS-BOT-BC319686  Hieracium albiflorum L. E. Smith 1913-7-1 449 Siskiyou Dunsmuir Comment
  RSA183734  Hieracium albiflorum Gilbert Muth 1965-8-11 204 Siskiyou Marble Valley. Marble Mtns. Comment
  CAS-BOT-BC318510  Hieracium bolanderi Doris K. Kildale 1929-7-20 8540 Siskiyou Trail to Preston Peak along South Fork INdian Creek 2133 Comment
  UC92059  Hieracium greenei T. S. Brandegee Siskiyou Mount Shasta Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  RSA120888  Hieracium scouleri G. D. Barbe 1957-7-13 382 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  UCD133130  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta. 2407 Comment
  CHSC71484  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1998-7-21 9349 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. 1417 Comment
  CAS-BOT-BC204676  Holodiscus discolor James R. Shevock 2012-7-19 40512 Siskiyou Klamath Range, Klamath National Forest. Along forest road 48N20, 5.8 miles north of Seiad Valley above the Klamath River toward Cook and Green Pass 716 Comment
  HSC29379  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou 1/8 mi SE of Tom Taylor Cabin 2027 Comment
  CAS-BOT-BC150130  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 5111 Siskiyou Horse Camp, Mt. Shasta 2743 Comment
  UC1100318  Hordeum jubatum Verne Grant and Irving Schneider 1947-8-26 8302 Siskiyou lower Klamath Lake; lower Klamath Lake Comment
  CAS-BOT-BC273496  Hordeum vulgare John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53378 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  HSC10229  Hordeum vulgare R. C. Wunner 1965-8-14 423 Siskiyou Lava Beds N. M. Hovey Point. Comment
  CAS-BOT-BC143948  Horkelia daucifolia Lewis S. Rose 1945-6-18 45067 Siskiyou Horse Creek & Klamath River 502 Comment
  SEINET6755777  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou Dry hill near Yreka. Comment
  SEINET8224842  Horkelia daucifolia A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle. Comment
  HSC40986  Horkelia daucifolia var. daucifolia J. O. Sawyer 1975-7-16 2700 Siskiyou 1.2 mi. N of Callahan ( Cecilville Rd. on rd. to Duck Lake) Comment
  JEPS44564  Horkelia fusca subsp. parviflora W. L. Jepson 1914-8-9 5740 Siskiyou McCloud 1036 Comment
  CAS-BOT-BC536224  Horkelia fusca var. parviflora Ella Dales Cantelow 1939-6-10 2587 Siskiyou 17.6 miles SE of McCloud on road to Burney Comment
  CAS-BOT-BC514281  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42689 Siskiyou Andesite road, 0.5 mi above US-97, Mt. Shasta. 1371 Comment
  CAS-BOT-BC514288  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  CAS-BOT-BC514289  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  CAS-BOT-BC144007  Horkelia hendersonii L. R. Heckard; J. Hickman; et al 1986-7-17 6501 Siskiyou Oak Knoll Ranger Station road to Condrey Mt., ca 15 mi from Hwy 96 (Walker) 2000 Comment
  JEPS47182  Horkelia tridentata W. L. Jepson 1940-6-30 20069 Siskiyou 6 mi e;On the McCloud River McCloud; McCloud River, Fowlers Camp, Forest Service Campground 944 Comment
  UCR38388  Horkelia tridentata G. F. Pratt, G. R. Ballmer 1985-6-20 s.n. Siskiyou Castle Lake, c. 6 air mi west of Dunsmuir, Trinity Mtns 1646 Comment
  POM208191  Horkelia tridentata Louis C. Wheeler 1934-6-29 s.n. Siskiyou Beaver Creek 1341 Comment
  CAS-BOT-BC539440  Horkelia tridentata var. tridentata R. E. Frenkel 1964-7-14 687 Siskiyou At Howard near Mount Shasta 1219 Comment
  CAS-BOT-BC312570  Hulsea nana Wm. Bridge Cooke 1939-7-26 13768 Siskiyou Mount Shasta. Along the Summit Trail below Lake Helen Comment
  HSC72351  Hulsea nana J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8959 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  UC1540215  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou n end of Burnt Lava Flow 1706 Comment
  CDA22258  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  HSC61784  Hydrophyllum occidentale Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA211320  Hydrophyllum occidentale William J. Ferlatte 1966-6-22 90 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  HSC77091  Hypericum anagalloides K. T. Stillman 1976-7-30 334 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  SBBG4755  Hypericum anagalloides H. and M. Dearing 1939-7-1 3768 Siskiyou Etna Crk, W of Etna 1219 Comment
  JEPS124800 Image available Hypericum anagalloides Laurel Loeblich 1964-7-1 75 Siskiyou East of highway 89 about 7 meters from road pavement 6 miles northwest of Dead Horse Summit. Comment
  SBBG21909  Hypericum perforatum D. Myrick 1964-7-25 973 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  OBI55432  Hypochaeris radicata David J. Keil 1992-7-20 23491 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest rd 44N45, 2 mi S of Scott River rd 1000 Comment
  UC725668  Iliamna bakeri A. A. Heller 1938-7-12 15253 Siskiyou along US Highway 49, 10 miles northeast of Weed; Upper Sonoran Life Zone Comment
  RSA172017  Iliamna bakeri F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  HSC226  Ipomopsis aggregata William J. Ferlatte 1966-7-7 209 Siskiyou NW side of Caribou Mtn. 1829 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. 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
  POM253588  Ipomopsis congesta C. L. Hitchcock, J. S. Martin 1939-7-9 5306 Siskiyou North side of Black Mt. near Marble Mt. (King's Castle) 2073 Comment
  CDA33251  Iris chrysophylla T. C. Fuller 1958-6-18 1817 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  JEPS84240  Iris innominata L. R. Heckard with J. Hickman et al. 1986-7-17 6472 Siskiyou ca 5 mi n town of Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak, e shoulder of peak); Kangaroo Peak 1940 Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  UCR247348  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Creek, 1.5 mi. west of Yreka 881 Comment
  RSA42021  Isatis tinctoria H. C. Cantelow 1936-5-20 1261 Siskiyou Near Fort Jones. Comment
  SEINET10481750  Isatis tinctoria Katherine L. Morris, David B. Dunn; Patricia L. Kenney 1973-6-3 Morris 367 Siskiyou Found in an open meadow associated with yellow pine on the s. Side of hwy 3, 22 mi. E. Of fort jones. Comment
  SEINET10481752  Isatis tinctoria Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 342 Siskiyou Found at the jct. Of shasta and klamath rivers on hwy 263. Comment
  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
  HSC22277  Isoetes bolanderi J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 Comment
  SEINET8198344  Isoetes occidentalis D. W. Taylor 2002-7-27 18282 Siskiyou Scott Mountains, small pond in Grouse Creek drainage, Scott River Watershed, Scott Mountains 1509 Comment
  UC118418  Isopyrum stipitatum Thos. Howell April 1888 18 Siskiyou Hornbrook Comment
  UC165296  Isopyrum stipitatum Geo. D. Butler 1909-2-28 584 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC135374  Ivesia gordonii K. T. Stillman 1976-6-25 60 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  CHSC30944  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. 1219 Comment
  SEINET8463956  Ivesia pickeringii D. W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains, West Fork Parks Creek (about 15 air miles West of Stewart Springs) Shasta-Trinity National Forest 1329 Comment
  JEPS116580  Juncus Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -021 Siskiyou The Eddys, west of Mt. Shasta. wet seep adjacent to unmamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N of Middle Fork crossing; Mt. Eddy 1693 Comment
  CAS-BOT-BC110016  Juncus W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CHSC40156  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath R, n side of Independence Br. Top of rock bluff overlooking the river. 289 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  JEPS117606  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinn 716 Comment
  HSC67454  Juncus effusus subsp. pacificus J. P. Smith, Steve Selva 1970-7-16 4375 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS66981  Juncus ensifolius B. C. Goldsmith 1916-6-22 1 a Siskiyou McCloud Flat Mt. Shasta 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
  HSC22472  Juncus mertensianus J. O. Sawyer 1968-7-9 440 Siskiyou W of Little Duck Lake 1936 Comment
  JEPS74127  Juncus mexicanus Geo. D. Butler 1909-5-23 859 Siskiyou near Yreka Comment
  UC1618218  Juncus nevadensis Barbara Ertter 1990-7-16 9377 Siskiyou along ridge ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) (nw side of mt., ca 8 air mi sw of Weed); Mt. Eddy 2286 Comment
  UCD141629  Juncus nevadensis J. M. Tucker 1950-7-23 1943 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  HSC30712  Juncus orthophyllus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1299 Siskiyou Sundew Bog W of English Lake Camp 1829 Comment
  HSC22104  Juncus parryi J. O. Sawyer 1969-7-10 1301 Siskiyou SE facing slope above South Sugar Lake 2165 Comment
  HSC89810  Juncus parryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  RSA21885  Juncus parryi J. T. Howell 1939-8-3 15009 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC81235  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  CAS-BOT-BC81243  Juniperus occidentalis W. R. Dudley 1899-8-21 s.n. Siskiyou Along the stage road to Callahan's (Willow Creek) Comment
  NY20171  Juniperus occidentalis A. A. Heller 1905-6-9 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM120220  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-8-16 227 Siskiyou Near Yreka 915 Comment
  RSA240064  Juniperus occidentalis var. occidentalis Frederick W. Oettinger 1969-8-25 1558 Siskiyou Ft. Jones. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  CAS-BOT-BC56358  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  HSC31492  Kalmia polifolia Steve Selva, Roger Jensen 1974-8-25 48 Siskiyou W end of Little Duck Lake Comment
  HSC4849  Kalmia polifolia J. O. Sawyer 1968-6-25 314 Siskiyou Along Horse Range Creek 1829 Comment
  UC335726  Keckiella breviflora J. G. Lemmon Oct 1889 Siskiyou near Dunsmuir (Soda Spring); Soda Spring Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  NY790303  Keckiella corymbosa D. C. Michener 1980-8-3 3772 Siskiyou Klamath Mountains. Along CA 96 and the Klamath River ca. 5.5 miles south of Happy Camp. 365.8 Comment
  HSC29325  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou High Lake Basins: NE side of the saddle between Tom's Lake Basin and Tobacco Lake Basin 1951 Comment
  CHSC86623  Koeleria macrantha Jenny Marr 1993-7-1 6 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC88409  Koeleria macrantha Jenny Marr 1993-7-1 168 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC197483  Koeleria macrantha Geo. D. Butler 1910-7-3 1625 Siskiyou Goosenest Mountain 1219 Comment
  CAS-BOT-BC340368  Kyhosia bolanderi Wm. Bridge Cooke 1940-8-2 15408 Siskiyou Mount Shasta. Throughout the lower Wagon Camp meadow Comment
  CAS-BOT-BC340369  Kyhosia bolanderi Wm. Bridge Cooke 1939-8-22 13878 Siskiyou Mount Shasta. At Wagon Camp Comment
  CAS-BOT-BC341691  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC341698  Lagophylla ramosissima D. E. Breedlove 1962-6-11 3335 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  JEPS38986  Lagophylla ramosissima W. L. Jepson 1940-6-22 19968 Siskiyou Hutton Creek 792 Comment
  JEPS94783  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald and Lowell Ahart 1998-8-3 9408 Siskiyou 11.5 mi w of Gazelle (USFS 41N03 1.0 mi e of its junction with Gazelle-Callahan Road) 1524 Comment
  POM215857  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek, Siskiyou Mts, Mt. Diablo Mer. 1006 Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  RSA3772  Lathyrus pauciflorus subsp. brownii A. A. Heller 1927-5-14 14378 Siskiyou About the base of black Butte near the western base of Mount Shasta. Comment
  CHSC106103  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 Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC4168  Lepidium campestre R. Carter 1966-5-15 399 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  CHSC91382  Leptosiphon bolanderi Lowell Ahart; John Dittes 2005-6-10 12087 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC229  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC225663  Leptosiphon rattanii Volney Rattan 1903-1-1 s.n. Siskiyou Willow Creek Mountain Comment
  CAS-BOT-BC341897  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 441 Comment
  JEPS20614  Lessingia nemaclada Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Region of the Upper Sacramento Comment
  POM361831  Lessingia nemaclada Louis C. Wheeler 1934-7-16 2907 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  SDSU4719  Lessingia nemaclada D. F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  HSC30488  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou Marble Mountain Wilderness Area, N end of Little Hancock Lake 2043 Comment
  HSC69720  Leucothoe davisiae Maralyn A. Renner 1980-7-16 1794 Siskiyou Hancock Lake inlet 1951 Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  CAS-BOT-BC444040  Lewisia cotyledon var. cotyledon Harley P. Chandler 1901-6-1 1594 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  CHSC30309  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake, in cliffs. 1767 Comment
  UC1190112  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Caribou Lake, pass at sw end Salmon-Trinity Alps Primitive Area 2072 Comment
  CAS-BOT-BC444077  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake 1767 Comment
  HSC75110  Lewisia rediviva J. P. Smith, Thomas W. Nelson 1979-6-15 10120 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  HSC65284  Lewisia triphylla Rich White 1978-7-6 251 Siskiyou Pond above Elk Hole 1524 Comment
  HSC92935  Lewisia triphylla Jennifer Whipple 1976-7-2 1279 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC162636  Lewisia triphylla Harley P. Chandler June, 1901 1607 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges 2133 Comment
  UC618650  Lewisia triphylla William Bridge Cooke 1938-9-8 11657 Siskiyou Squaw Creek Meadows Mount Shasta Comment
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Mar 31 2006
  UC7822  Lewisia triphylla Milo S. Baker 1893-8-5 501 Siskiyou Medicine Lake 1981 Comment
  UCD77823  Lewisia triphylla Robert E. Preston 2001-7-21 1725 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  HSC40983  Lewisia triphylla J. O. Sawyer 1975-7-16 2698 Siskiyou Along trail to Little Duck Lake, 1/2 mi. E of Lake 1829 Comment
  UC817326  Leymus cinereus L. E. Smith July 1915 Siskiyou Bray Comment
  POM112698  Leymus triticoides Geo D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  UC803947  Leymus triticoides G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-8 4015 Siskiyou 2.5 mi s Grenada (along railroad right-of-way) 792 Comment
  SEINET10531266  Libocedrus decurrens E. E. Stanford 1930-6-15 Stanford 1582 Siskiyou 1 mile north of Dunsmuir; roadsides. Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  HSC96299  Ligusticum grayi Gordon Leppig 1998-8-13 1003 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC96419  Ligusticum grayi Gordon Leppig, J. Kalt 1996-7-9 372 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA453854  Ligusticum grayi M. B. Dunkle 1929-8-29 2392 Siskiyou Upper Rattlesnake Creek Comment
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May 7 2013
  UC572969  Lilaeopsis occidentalis Louis C. Wheeler 1935-7-3 3645 Siskiyou 2 mi. n.w. Montague; Shasta R. 762 Comment
  CAS-BOT-BC508259  Lilium columbianum H. E. Brown 1897-6-1 344 Siskiyou Near Mt. Shasta 2133 Comment
  CAS-BOT-BC509362  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509385  Lilium kelleyanum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in moist soil in the forest 1188 Comment
  CAS-BOT-BC130817  Lilium pardalinum Doris K. Kildale 1929-7-20 8631 Siskiyou Trail up South Fork Indian Creek to Elk Lick 1219 Comment
  HSC77932  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1499 Siskiyou Near Beans Camp 1280 Comment
  JEPS84242  Lilium pardalinum subsp. wigginsii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6337 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 air mi from Red Butte) 1730 Comment
  RSA184814  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, near marble, Marble Mountain 1793 Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  CAS-BOT-BC133094  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  CHSC2297  Lilium washingtonianum subsp. washingtonianum V. Holt 1932-7-3 Siskiyou Near Mt. Shasta City. 1097 Comment
  UC163851  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  RSA139035  Linaria dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Rd. Comment
  POM319162  Linum lewisii Patricia Wilder 1965-9-29 4200 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Clear Lake Reservoir drainage area. 1372 Comment
  RSA211331  Linum lewisii William J. Ferlatte 1967-7-6 668 Siskiyou Near LeRoy Mine. Trinity Alps. 2104 Comment
  UC336569  Listera convallarioides unknown July 1878 Siskiyou near Mt. Shasta 2133 Comment
  UC484041  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-27 Siskiyou Hazelview Summit; Siskiyou Mtns. 742 Comment
  HSC36949  Lithophragma glabrum J. P. Smith 1974-5-26 7565 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC46176  Lithophragma glabrum Jennifer Whipple 1977-4-30 1876 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CHSC71327  Lithophragma tenellum Vernon H. Oswald; Lowell Ahart 1998-6-11 9209 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC317338  Lithospermum californicum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  RSA77576  Lithospermum ruderale F. W. Peirson 1923-7-20 3823 Siskiyou Whitney Creek, Shasta Region. Comment
  JEPS73750  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou Butler's Ranch along creek near Yreka; Butler's Ranch Comment
  HSC71190  Lolium perenne M. A. Baker 1980-6-20 2223 Siskiyou Near Bald Mtn. 1036 Comment
  UCD66463  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou Abrams Lake, near Sisson. Comment
  HSC61916  Lomatium californicum Ruby Van Deventer 5 May [year missing] Siskiyou Poker Flat 1585 Comment
  POM78347  Lomatium dissectum var. multifidum Geo. D. Butler 1910-5-7 1303 Siskiyou In thickets, dry hills near Yreka. Comment
  RSA237414  Lomatium dissectum var. multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1186 Siskiyou W-facing slope on E side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC211135  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, about 1.5 mi. e. of Scott Mountain road 1737 Comment
  UC106273  Lomatium macrocarpum Brandegee July 1887 Siskiyou Edgewood Comment
  UC1400365  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou s.-s.w. Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1920 Comment
  HSC68485  Lomatium nudicaule Maralyn A. Renner 1980-6-22 881 Siskiyou Slopes N of Little Shasta River 1372 Comment
  CDA38335  Lomatium nudicaule T. C. Fuller 1958-6-19 1888 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC1228815  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou roadside flat 5.2 mi. s. Yreka 792 Comment
  CDA15574  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Siskiyou Mountains; S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. Comment
  RSA610630  Lonicera ciliosa L. C. Wheeler 1934-6-22 2762 Siskiyou Cottonwood Creek. Mt. Diablo Mer. 1067 Comment
  SEINET3154549  Lonicera ciliosa G. D. Butler 1909-5-23 1395 Siskiyou Humbug mountain 1219 Comment
  HSC96411  Lonicera conjugialis Gordon Leppig, J. Kalt 1996-7-9 360 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  LA205969  Lonicera conjugialis W. B. C.; 1939-7-7 sn Siskiyou Mount Shasta, between Wagon Camp and Bear Springs 1615 Comment
  RSA184705  Lonicera conjugialis Gilbert Muth 1966-7-8 378 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  UC1608337  Lonicera conjugialis J. Kierstead 1991-5-8 90 -58 Siskiyou Lakin Dam on the McCloud River Shasta-Trinity National Forests, McCloud Ranger Dist. 1097 Comment
  HSC76875  Lonicera interrupta K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  JEPS27163  Lotus crassifolius var. crassifolius Lauramay T. Dempster 1961-7-1 1834 Siskiyou near White Mountain Comment
  RSA715637  Lotus denticulatus L. Ahart 2005-6-9 12008 Siskiyou 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 2.5 miles (air) ESE of Grenada. 775 Comment
  UC1037355  Lotus nevadensis var. nevadensis Douglas Barbe 1955-6-28 11 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
  UC454680  Lotus nevadensis var. nevadensis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  UCR94141  Lotus nevadensis var. nevadensis N. A. Alexander, N. F. McBain, J. A. Alexander 1995-6-30 423 Siskiyou Lime Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 mi. W (293 deg. ) of intersection with Interstate Hwy 5, near Clyburn home (1917-1966). 518 Comment
  UC796606  Lotus nevadensis var. nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11866 Siskiyou 1 mi w Gazelle Comment
  JEPS95289  Lotus pinnatus Vernon H. Oswald and L. Ahart 1994-7-11 6401 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir 1783 Comment
  RSA240071  Lotus unifoliolatus Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1215 Siskiyou Abbotts upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  CAS-BOT-BC140213  Luetkea pectinata G. J. Muth 1969-8-10 1330 Siskiyou Ridge w. of Boulder Peak 2346 Comment
  HSC60910  Luetkea pectinata Al Hobart Siskiyou Black Butte Comment
  HSC64941  Luetkea pectinata D. L. Goforth 1979-7-19 265 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, upper lake area 2104 Comment
  POM210967  Luetkea pectinata Louis C. Wheeler 1934-8-14 3321 Siskiyou 1 mile W White Mt. 1921 Comment
  JEPS25850  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  RSA34240  Luina hypoleuca C. B. Wolf 1927-8-27 1138 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  RSA78323  Luina hypoleuca P. A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans. 183 Comment
  RSA119492  Lupinus C. P. Smith 1947-5-13 47276 Siskiyou 6.3 miles east of Weed. Highway 97. Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 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
  SEINET10544018  Lupinus albicaulis subsp. shastensis William B. Cooke 1938-7-29 Cooke 11388 Siskiyou Mt. Shasta, chaparral 1219 Comment
  CDA27357  Lupinus albicaulis var. shastensis T. C. Fuller 1964-6-24 12245 Siskiyou Flying K Ranch, ca. 2 miles south of Mugginsville, Quartz Valley. 0 Comment
  RSA126055  Lupinus albicaulis var. shastensis I. L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  CAS-BOT-BC195956  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  CAS-BOT-BC195966  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47205 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  JEPS82676  Lupinus albifrons var. collinus Wayne Roderick 1984-6-6 Siskiyou on Highway 3, about 4 mi n Etna; n of Etna Comment
  HSC22254  Lupinus andersonii J. O. Sawyer 1969-6-12 899 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC77060  Lupinus andersonii K. T. Stillman 1976-8-7 191 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC15899  Lupinus angustiflorus Milo S. Baker 1895-8-5 Siskiyou Medicine Lake Comment
  UC711890  Lupinus angustiflorus Roxana S. Ferris and Laura Lorraine 1941-8-11 10503 Siskiyou above Medicine Lake (Shasta National Forest); , above Medicine Lake Comment
  SEINET10871218  Lupinus arbustus subsp. silvicola Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 688 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight se facing Slope; assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  CAS-BOT-BC196356  Lupinus argenteus var. argenteus M. K. Curran 1887-7-1 s.n. Siskiyou Edgewood Comment
  CAS-BOT-BC196375  Lupinus argenteus var. heteranthus Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  UC1185309  Lupinus croceus H. E. Brown June 1-10, 1897 392 Siskiyou near Sisson; near Sisson 1083 Comment
  UC1608316  Lupinus croceus J. Kierstead 1990-7-18 90 -106 Siskiyou Forest Service Rd. 40N26 w Gumboot Lake (Mt. Shasta Ranger Dist.); , w of Gumboot Lake 1950 Comment
  RSA372145  Lupinus klamathensis M. L. Conrad, David B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from Interstate 5 on Highway 3, southwest of Yreka. 915 Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  SEINET11159979  Lupinus klamathensis Morris, K. , Conrad; Dunn, D., Dunn, D. 1973-6-2 357 Siskiyou Siskiyou County Comment
  JEPS93185  Lupinus lapidicola J. Greenhouse 1997-7-4 Siskiyou along dirt road about 3 1/2 mi w of Cook and Greene Pass Comment
  CAS-BOT-BC202057  Lupinus lapidicola Marck Menke 1999-7-9 65 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  SEINET10485447  Lupinus lapidicola Thomas W. Nelson, Jane P. Nelson 1979-5-26 Nelson 4721 Siskiyou On serpentine along State Route 3 north of Scott Mountain Summit at junction with Forest Road 40N03. 1524 Comment
  SEINET10577542 Image available Lupinus lapidicola A. Arthur Heller 1920-7-9 Heller 13422 Siskiyou High up on the bare eastern slope of Mt. Eddy in coarse gravel. Hudsonian zone, the trees of Pinus albicaulis few and scattered. Comment
  HSC42941  Lupinus latifolius J. O. Sawyer, Ken Stillman 1976-7-1 2763 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC77004  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-6-25 85 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  POM24242  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  SEINET10489289  Lupinus latifolius subsp. viridifolius Joseph W. Congdon 1900-8-9 Congdon s.n. Siskiyou Near sisson. Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UC865221  Lupinus latifolius var. viridifolius W. Bridge Cooke 1941-6-7 16009 Siskiyou near the e base Mt. Eddy; near the e base of Mt. Eddy Comment
  CAS-BOT-BC8340  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  JEPS105171  Lupinus lepidus var. lobbii Dean W. Taylor 1993-7-30 14021 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  JEPS57167  Lupinus lepidus var. sellulus L. R. Heckard 1967-8-13 1706 Siskiyou Mt. Eddy 2743 Comment
  JEPS83245  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-23 20003 Siskiyou n Mt. Shasta (Andesite Station); n of Mt. Shasta, Andesite Station 975 Comment
  JEPS80547  Lupinus lepidus var. sellulus Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on backside Black Mt. (Marble Mt. Wilderness Area); , backside of Black Mt. 2133 Comment
  HSC2244  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Yreka Comment
  JEPS74336  Lupinus luteolus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 a Siskiyou about 4 air miles N of: Shasta River Bridge Yreka Comment
  POM25660  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou Dry land near Yreka. Comment
  RSA25916  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Dry land near Yreka. Comment
  HSC67777  Lupinus lyallii J. O. Sawyer, J. Cole 1980-7-21 3872 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  RSA105765  Lupinus lyallii var. lyallii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mt. Shasta 1829 Comment
  CHSC88303  Lupinus microcarpus Jenny Marr 1993-7-1 138 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC70371  Lupinus microcarpus var. densiflorus Milo S. Baker 1898-4-20 Siskiyou Taylor Mt. Comment
  UC1096808  Lupinus obtusilobus H. K. Wagnon 1957-8-11 1688 Siskiyou 3 mi w of Military Pass Rd on road to Brewer Cr. e slope Type Loc. Mt. Shasta; e slope of Mt. Shasta on road to Brewer Cr. Comment
  CAS-BOT-BC8212  Lupinus perglaber Alice Eastwood 1921-7-24 10715 Siskiyou Castle Lake Comment
  RSA414230  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-08 9294 Siskiyou Klamath National Forest Marble Mts. Comment
  UC1409329  Lupinus polyphyllus var. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou boggy area w above English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1798 Comment
  POM24578  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek. Comment
  RSA263039  Lupinus sellulus subsp. sellulus David B. Dunn, Paul Gallian 1971-6-9 17931 Siskiyou 5 mi. S of Macdoel, on U. S. Hwy 97. 1159 Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  SEINET10451480  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7256 Siskiyou Siskiyou-Trinity County line. Along west side of Forest Service Road 42N17 at summit above Daed Fall Meadow. Dry serpentine hillside. 2073 Comment
  CAS-BOT-BC25998  Lupinus viridifolius unspecified 1905-6-1 7928 Siskiyou Dunsmuir Comment
  JEPS67168  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  HSC68469  Luzula comosa Maralyn A. Renner 1980-6-26 1141 Siskiyou Flint Valley 1390 Comment
  HSC73278  Luzula comosa Gail Newton 1980-6-20 476 Siskiyou Near Bald Mtn. 1097 Comment
  HSC670  Luzula parviflora William J. Ferlatte 1967-7-9 687 Siskiyou Kidd Creek Trail 1890 Comment
  RSA238896  Luzula parviflora Frederick W. Oettinger 1968-9-7 752 Siskiyou Along inlet brook to Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCR64616  Madia bolanderi L. C. Wheeler 1934-8-10 03103 Siskiyou Dead Cow Creek 1829 Comment
  RSA237494  Madia bolanderi Frederick W. Oettinger 1967-8-21 312 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  SEINET11806038  Madia bolanderi C. G. Pringle 1882-1 s.n. Siskiyou about Mt. Shasta Comment
  JEPS24808  Madia elegans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6817 Siskiyou 7 mi e Callahan 1127 Comment
  HSC42907  Madia exigua J. O. Sawyer, Ken Stillman 1976-5-28 2726 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  UCD134273  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  CAS-BOT-BC343430  Madia gracilis Alice Eastwood 1912-7-17 1148 Siskiyou Sisson Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  UCR39792  Madia gracilis subsp. gracilis L. P. Janeway 1983-9-23 691 Siskiyou at Poker Flat 1524 Comment
  SJSU6506  Maianthemum racemosum R. W. Trivelpiece 1972-6-15 121 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC69768  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-6-26 1275 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC512767  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-23 1337 Siskiyou Cantara Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  HSC18914  Maianthemum stellatum J. O. Sawyer 1968-7-10 464 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  POM56237  Malacothrix floccifera Geo D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek. Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  UC1714366  Marrubium vulgare W. Bridge Cooke 1940-8-2 15392 Siskiyou Wagon Camp road above Howard (Mount Shasta); Mount Shasta Comment
  CHSC71583  Medicago lupulina Vernon H. Oswald; Lowell Ahart 1998-8-3 9416 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  UC16105  Medicago lupulina T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC76950  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area. Comment
  SEINET185073 Image available Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black mtn. west side of Ridge. 1829 Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  UC593537  Melica fugax E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2007 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  POM198425  Melica subulata Geo D. Butler 1910-7-12 1751 Siskiyou Shackleford Lake. 1372 Comment
  UCD88666  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On the border of Trinity County. North side of Scott Mtn. divide near campground. 8 mi. se. of Callahan. 1615 Comment
  UC637092  Mentha arvensis Edward Lee 1934-8-12 1052 Siskiyou s bank <of> Klamath River 1/4 mi w Walker Creek ((between Hamburg and Seiad Valley)); s bank Klamath Riverk w of Walker Creek 426 Comment
  CAS-BOT-BC428553  Micranthes aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi. w. of Carmen Lake 1706 Comment
  HSC104143  Micranthes aprica Dana York 2012-7-21 3136 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, Red Butte Wilderness, NE slope of Red Butte 1925 Comment
  CAS-BOT-BC322665  Microseris laciniata J. W. Congdon 1900-8-9 s.n. Siskiyou Sisson Comment
  RSA733882  Microseris laciniata subsp. detlingii K. L. Chambers 1998-6-16 6132 Siskiyou Copco Road, west of Iron Gate Reservoir, 1.2 miles north from the Klamath River bridge at Iron Gate Dam Comment
  POM53404  Microseris laciniata subsp. laciniata E. B. Copeland 1903-4-13 3818 Siskiyou Sisson 1067 Comment
  HSC837  Microseris nutans William J. Ferlatte 1967-7-9 694 Siskiyou Kidd Creek Trail 1982 Comment
  UC564178  Microseris nutans Elmer I. Applegate 1935-6-7 9417 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  UCD77864  Microseris nutans Robert E. Preston 2002-6-20 1838 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  POM35777  Microseris nutans Geo D. Butler 1909-6-22 958 Siskiyou Goosenest Foothills 1524 Comment
  UC726472  Mimulus arvensis A. A. Heller 1919-6-20 13526 Siskiyou Metcalf's Comment
  HSC78192  Mimulus breweri L. P. Janeway 1983-7-10 406 Siskiyou Poker Flat 1524 Comment
  HSC27691  Mimulus guttatus Carl W. Mize 1972-6-8 41 Siskiyou Along main trail 366 Comment
  UC446456  Mimulus guttatus Annie M. Alexander and L. Kellogg 1911-6-13 Siskiyou 6 mi nw Callahan Comment
  JEPS8188  Mimulus layneae W. L. Jepson 1940-6-30 20070 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 944 Comment
  POM43116  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills. 1524 Comment
  HSC36420  Mimulus moschatus J. O. Sawyer 1968-7-10 522 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC64881  Mimulus moschatus D. L. Goforth 1979-7-19 270 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, .5 mi. S of upper lake 2226 Comment
  HSC77028  Mimulus nanus var. nanus K. T. Stillman 1976-6-25 49 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA211425  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  UC725906  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mi s Bray 1402 Comment
  JEPS11009  Mimulus primuloides F. W. Morse July, 1886 Siskiyou near Mt. Shasta Comment
  HSC91056  Mimulus primuloides var. linearifolius Jennifer Whipple 1977-7-20 2008 Siskiyou N slopes of Mt. Eddy 2287 Comment
  UC27095  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  HSC91134  Mimulus tilingii Jennifer Whipple 1976-7-8 1345 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  CHSC57425  Minuartia douglasii L. P. Janeway 1984-6-22 868 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  CAS-BOT-BC388883  Minuartia douglasii Louis C. Wheeler 1934-6-4 2640 Siskiyou Klamath National Forest. Nigger Gulch 1066 Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  JEPS90753  Minuartia nuttallii subsp. gracilis Dean William Taylor 1972-7-4 1570 Siskiyou 3 mi w Cook and Green Pass (near Lily Pad Lake) 1981 Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  JEPS105031  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  RSA661226  Mirabilis greenei Rachel Levin 1998-5-25 98- 4 -A/B Siskiyou On Copco Road, 2.4-5 miles from jct. with I-5, head east towards the Copco Dam, plants on left side of road. Comment
  UC1459329  Mirabilis greenei George E. Pilz 1973-5-26 998 Siskiyou along Klamath River (1 mi w of Interstate Rte 5, along CA Rte 96) 700 Comment
  RSA238319  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. 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
  HSC4915  Moehringia macrophylla J. O. Sawyer 1968-7-2 375 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  CAS-BOT-BC222035  Monardella odoratissima subsp. glauca Alice Eastwood 1912-8-30 1987 Siskiyou Mount Eddy Comment
  UC1124592  Monardella odoratissima subsp. glauca H. A. Jensen 1933-9-1 345 Siskiyou Wagon Camp Shasta National Forest, Dunsmuir Quadrangle Comment
  UC164003  Monardella odoratissima subsp. glauca Geo. D. Butler 1908-7-12 168 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC220365  Monardella odoratissima subsp. pallida Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC222162  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  HSC67785  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-21 3831 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  UC618682  Monardella odoratissima subsp. pallida W. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats, Mount Shasta Comment
  RSA68919  Monardella odoratissima subsp. pallida A. E. Culbertson 1943-8-1 38 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  CAS-BOT-BC220235  Monardella sheltonii Alice Eastwood; John Thomas Howell 1940-6-14 824 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  HSC40880  Monotropa hypopitys J. O. Sawyer 1973-7-18 2549 Siskiyou Hamilton Camp Comment
  CDA23975  Montia dichotoma Vernon H. Oswald & Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  UC1101399  Montia fontana Herbert L. Mason 1948-7-18 13625 Siskiyou Grass Lake Comment
  CAS-BOT-BC540347  Montia parvifolia Dana York 2012-7-20 3123 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  UC1190110  Montia parvifolia Ira L. Wiggins 1955-7-27 13524 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC445204  Montia parvifolia W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag, region of Mt. Shasta Comment
  UCD15454  Montia parvifolia David Hart 1975-5-25 115 Siskiyou California, Siskiyou Co.; Happy Camp on Indian Creek, 3/4 mi upstream from Klamath River; 304 Comment
  UCD86501  Muhlenbergia andina R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  UC1949300  Muhlenbergia filiformis Barbara Ertter 1900-7-14 9318 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  UCD37083  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3822 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  UCD86594  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3822 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  SEINET515840  Muhlenbergia jonesii Vernon Oswald 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  UC1222235  Myosotis discolor Joseph P. Tracy 1951-6-16 19464 Siskiyou ca. ___ <no mi. given> mi. n. of summit crossing of Siskiyou Mts. (on Takilma Happy Camp Rd.); Siskiyou Mts. Comment
  POM228958  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  HSC27352  Nama lobbii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19536 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA79002  Nama lobbii E. K. Balls, P. C. Everett 1952-10-13 18190 Siskiyou 10.2 miles northeast of town of Mt. Shasta, on John Everitt Memorial Highway to Mt. Shasta. 1829 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  UCD106100  Navarretia capillaris Herbert L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake. Comment
  CAS-BOT-BC230566  Nemophila parviflora var. parviflora Roxana S. Ferris; Laura Lorraine 1948-6-12 11739 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  HSC93079  Nemophila pedunculata Jennifer Whipple 1976-7-2 1278 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA426669  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  JEPS12283  Nicotiana attenuata Geo. D. Butler 1908-7-13 19 Siskiyou near Yreka (Butler's ranch) Comment
  RSA426687  Nicotiana bigelovii Edwin Kline 1920-06 14857 Siskiyou Siskiyou Mtns. Comment
  CHSC81484  Nitrophila occidentalis Ann Willyard 2000-6-21 418 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CAS-BOT-BC60593  Noccaea fendleri subsp. glauca R. C. Wenk 2005-7-19 338 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mount Eddy. 2407 Comment
  HSC45574  Noccaea fendleri subsp. glauca Maralyn O'Meara 1974-5-25 436 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC92178  Nothocalais alpestris Jennifer Whipple 1976-7-2 1286 Siskiyou Dale Creek drainage on the N face of Mount Eddy, ridge between Dale Creek and Deadfall drainage 2195 Comment
  UC49997  Nothocalais troximoides Edward L. Greene 1876-5-15 781 Siskiyou near Yreka Comment
  HSC4879  Nothochelone nemorosa J. O. Sawyer 1968-9-9 651 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS84080  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  NY790539  Nothochelone nemorosa H. L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  UC595100  Nothochelone nemorosa David D. Keck 1938-8-6 4821 Siskiyou Poker Flat, on n slope just se of summit, Siskiyou Mountains Poker Flat; Siskiyou Mountains, Poker Flat 1402 Comment
  HSC68097  Notholithocarpus densiflorus J. P. Smith, Steve Selva 1970-7-15 4353 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC1409398  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou West of the west cove of Hancock Lake (Lily Pond (a fifty foot pond), vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC1409400  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou at n end of Horse Range Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 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
  CHSC1155  Oenothera elata subsp. hirsutissima K. Jaekel; N. Jaekel 1939-7-14 Siskiyou Near Mt. Shasta. 1097 Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  CDA7580  Onopordum tauricum J. R. Grisham 1959-12-8 Siskiyou Butte Valley; Luzzi Ranch, south of Sam s Neck ca. 15 miles southwest of Dorris. 0 Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris 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
  SEINET8245378  Oreostemma alpigenum A. A. Heller 1915-8-26 12225 Siskiyou Heather meadow near the head of Wagon creek canyon; Mt. Eddy. 2591 Comment
  JEPS109703  Oreostemma alpigenum var. andersonii Dean W. Taylor 2002-7-20 18264 Siskiyou Forest Road 17 ca. 6 miles west (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  CAS-BOT-BC458072  Orthilia secunda Maxine Wilkes 1940-8-18 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UC618901  Orthilia secunda W. B. Cooke 1938-8-5 11457 Siskiyou Sisson Southern Trail. 1828 Comment
  RSA0083188  Orthilia secunda M. B. Dunkle 1944-7-18 9154 Siskiyou Sterling Mt. 1890 Comment
  RSA0083190  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Slope leading down from Little Hancock Lake to Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1982 Comment
  HSC354  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine 1982 Comment
  HSC58956  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1975-7-31 4035 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  HSC95774  Orthocarpus cuspidatus subsp. copelandii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 170 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  UC1096815  Orthocarpus cuspidatus subsp. copelandii Barbe 1957-7-13 383 Siskiyou along entrance road to Big Flat Public Camp Big Flat Public Camp; Klamath National Forest, Big Flat Public Camp 1524 Comment
  JEPS83870  Orthocarpus cuspidatus subsp. cuspidatus Wayne Roderick July 1976 Siskiyou along trail to Copper Butte vicinity Cook and Green Pass; Siskiyou Mts., vicinity Cook and Green Pass 1767 Comment
  JEPS9882  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC7008  Orthocarpus pachystachyus Edward Lee Greene 1876-5-26 s.n. Siskiyou Near Yreka Comment
  HSC78374  Osmorhiza berteroi L. P. Janeway 1983-9-11 657 Siskiyou Poker Flat 1524 Comment
  JEPS25627  Osmorhiza berteroi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7264 Siskiyou Poker Flat 1536 Comment
  SBBG25956  Osmorhiza berteroi D. Myrick 1966-8-10 1530 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  JEPS25819  Osmorhiza occidentalis Geo. D. Butler 1908-7-20 455 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  CHSC1340  Oxyria digyna E. Willits 1943-8-11 Siskiyou Marble Mountains. 1828 Comment
  RSA211284  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC316754  Packera cana William Bridge Cooke 1939-8-10 13874 Siskiyou Scattered in a small colony along the west bank of Mud Creek Canyon. Upper Hudsonian Zone. 2895 Comment
  HSC90556  Packera cana Jennifer Whipple 1977-7-20 1992 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC28836  Paeonia brownii H. E. Brown 1897-7-15 564 Siskiyou South side of Mount Shasta 3048 Comment
  UCSC004606  Panicum acuminatum var. fasciculatum Randall Morgan 2004-5-31 4179 Siskiyou Castle Crags State Park, Sacramento River, Middle Creek Comment
  UCSC004589  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  RSA183700  Parnassia fimbriata Gilbert Muth 1965-8-17 230 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  HSC29457  Parnassia palustris Frederick W. Oettinger 1968-8-3 377 Siskiyou Marble Mountain Wilderness, base camp near Diamond Lake. 2012 Comment
  RSA459070  Pastinaca sativa L. C. Wheeler 1935-7-4 3653 Siskiyou Yreka 800 Comment
  CAS-BOT-BC202845  Paxistima myrsinites Alice Eastwood 1912-7-15 1117 Siskiyou McCloud Comment
  CAS-BOT-BC202854  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou Hills along Shasta Creek Canyon Comment
  HSC33965  Paxistima myrsinites J. P. Smith 1974-5-25 7447 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  JEPS9614  Paxistima myrsinites J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  RSA47641  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11753 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC114062  Paxistima myrsinites unknown 1900-8-1 Siskiyou Sisson Comment
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Jan 18 2012
  UC1299195  Paxistima myrsinites Freed W. Hoffman 1946-7-8 2592 Siskiyou n. of West Branch Camp (Waldo-Happy Camp Rd.); North Coast Ranges Comment
  CAS-BOT-BC266637  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6550 Siskiyou 0.25 mile from Hancock Lake on trail to Marble Mountains 2194 Comment
  HSC29252  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Marble Mtn. Wilderness Area, base camp meadow, English Lake Basin 2012 Comment
  UC618752  Pedicularis densiflora W. Bridge Cooke 1938-6-24 11098 Siskiyou Mount Shasta 1524 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  HSC4830  Pedicularis racemosa J. O. Sawyer 1968-9-10 677 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UC775207  Pellaea brachyptera W. H. Wagner Jr. 1949-4-26 4608 Siskiyou Memorial Hwy (dirt road) from Shasta Springs to Sand Flats (w side of base of Mt Shasta); Mt Shasta Comment
  HSC72948  Pellaea brachyptera M. S. Taylor, Overton 1980-7-8 3090 Siskiyou N side of 40N43 2.4 mi. W of its jct with 40N26, at W end of Lake Siskyou W of Mt. Shasta City 1341 Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  HSC61872  Penstemon anguineus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC1238944  Penstemon anguineus Freed W. Hoffman 1948-7-8 2585 Siskiyou Waldo-Happy Camp Road n West Branch Camp (western Siskiyou County); North Coast Ranges, n of West Branch Camp Comment
  RSA126289  Penstemon anguineus I. L. Wiggins 1955-7-24 13490 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks. 1494 Comment
  CHSC30325  Penstemon cinicola M. S. Taylor 1980-8-18 3259 Siskiyou Pumice Stone Well, 0.5 mi n of Pumice Stone Mt. 1950 Comment
  CHSC69094  Penstemon cinicola Vernon Oswald; Lowell Ahart 1997-7-28 8786 Siskiyou Southwest of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  HSC41815  Penstemon davidsonii Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UC27476  Penstemon davidsonii var. davidsonii Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  HSC19139  Penstemon deustus J. O. Sawyer 1969-6-13 1110 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC76743  Penstemon deustus K. T. Stillman 1976-7-15 265 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UCR37864  Penstemon deustus Mike Roantree, R. Bonning 1983-5-28 s.n. Siskiyou NW Callahan on Hwy 3, near marker 10.00 Comment
  CHSC1860  Penstemon deustus var. pedicellatus N. Jaekal; K. Jaekal 1930-7-10 Siskiyou Weed. 1056 Comment
  UCD77906  Penstemon deustus var. pedicellatus Robert E. Preston 2002-6-20 1827 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  CHSC4543  Penstemon gracilentus J. E. Bowlin 1967-7-18 49 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  HSC69372  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-19 3675 Siskiyou Near FS Rd. 45N05 2018 Comment
  JEPS85633  Penstemon gracilentus W. L. Jepson 1940-6-23 20014 Siskiyou 2 mi se of Andesite (n of Mt. Shasta) 975 Comment
  UC313695  Penstemon gracilentus David D. Keck 1927-8-17 306 Siskiyou Horse Camp s side of Mt. Shasta, Horse Camp (s side of Mt. Shasta, Timberline) 2468 Comment
  UC690305  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  POM299521  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou On east side of Mt Shasta. Comment
  RSA78992  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18181 Siskiyou 7.2 miles SW of boundary of Lava Bed Nat'l Monument on road from Indian Well Ranger Station to Tennant. 1067 Comment
  SDSU10981  Penstemon heterodoxus var. shastensis D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mtn. 1524 Comment
  HSC20971  Penstemon humilis subsp. humilis D. M. Thomson 1965-6-19 102 Siskiyou Lava Beds National Monument, 0.5 mi. S of Merril Ice Cave, on fire road Comment
  JEPS101505  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16046 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  RSA659604  Penstemon laetus subsp. sagittatus J. C. Roos 1948-9-2 3974 Siskiyou 6 miles SW of Yreka. Comment
  JEPS23765  Penstemon laetus var. sagittatus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6763 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  POM44867  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  RSA151968  Penstemon laetus var. sagittatus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3741 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 17 mi E of Montague on forest road to Mt. Hebron. 1280 Comment
  RSA339999  Penstemon laetus var. sagittatus Noel Holmgren, Patricia K. Holmgren 1980-7-1 9448 Siskiyou US Hwy 97, 8.7 km (5.4 miles) NE of Weed. 1100 Comment
  UC774517  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou on U.S. Highway #97 at junction with rd to Montague 12 mi ne Weed; sw end Little Shasta Valley, ne of Weed 914 Comment
  HSC55718  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-26 10150 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC91141  Penstemon newberryi subsp. berryi Jennifer Whipple 1976-7-7 1327 Siskiyou Dale Creek drainage on N face of Mt. Eddy 2378 Comment
  NY627425  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  UC27483  Penstemon newberryi var. berryi Harley P. Chandler Jun 1901 1599 Siskiyou near Marble Mountain North Coast Ranges 2133 Comment
  UC1408780  Penstemon newberryi var. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region Salmon Mountains, Marble Mountain Wilderness Area (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County) 2171 Comment
  UC164348  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek 1371 Comment
  HSC19131  Penstemon parvulus J. O. Sawyer 1969-7-2 1036 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  CAS-BOT-BC94403  Penstemon purpusii R. C. Wenk 2005-7-15 201 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  CAS-BOT-BC94418  Penstemon roezlii R. C. Wenk 2005-7-15 234 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  RSA211397  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine. 1982 Comment
  JEPS82505  Penstemon rupicola Todd Keeler-Wolf 1983-8-14 728 Siskiyou 1/4 mi S of Terrace lake 2087 Comment
  RSA0006225  Penstemon shastensis D. D. Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  CHSC118594  Penstemon speciosus Richard R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  UC887110  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou along U.S. Highway #97, 5 mi n Weed; n of Weed Comment
  UC1001181  Pentagramma triangularis subsp. triangularis Dorothy Parker 1953-5-24 532 Siskiyou Scott River; Siskiyou Mts, Scott River 681 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
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Jun 12 2012
  UC1389997  Perideridia oregana T. I. Chuang and R. S. Mitchell 1965-6-27 5996 Siskiyou on Hwy 97 6 mi s Macdoel Comment
  SEINET12122372  Perideridia oregana Unknown 1986-1 60331 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Rd (45N22) at int with rds to Davis Gulch, 1018 Comment
  HSC69101  Perideridia parishii subsp. latifolia Maralyn A. Renner 1980-8-4 2229 Siskiyou Flint Valley 1390 Comment
  UC1400335  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou slope of se aspect due s area bet. David Mountain and Abbots Lake Basin (and on old Tanners Peak Trail, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC330261  Petasites frigidus var. palmatus L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  HSC68576  Phacelia corymbosa Maralyn A. Renner 1980-6-23 981 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS1962  Phacelia egena Geo. D. Butler 1909-5-2 736 Siskiyou near Yreka Comment
  HSC75158  Phacelia greenei Unknown Siskiyou 1433 Comment
  SEINET7073534  Phacelia heterophylla A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 552318mN, 4598883mN. Coordinate datum: NAD27. Comment
  RSA582233  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC145046  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 Comment
  UC1187639  Phacelia leonis Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-20 3691 Siskiyou ca 5 mi sw Poker Flat; Siskiyou Mountains, Twin Valley 1554 Comment
  SJSU6059  Phacelia linearis R. W. Trivelpiece 1971-6-28 41 Siskiyou N of Alder Cr divide between Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1524 Comment
  UCD120557  Phacelia linearis Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  HSC69027  Phacelia mutabilis Maralyn A. Renner 1980-7-28 2186 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS25595  Phacelia mutabilis Rimo Bacigalupi 1959-7-2 7227 Siskiyou near north base of Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC1286475  Phacelia mutabilis W. B. and V. G. Cooke 1963-7-10 32467 Siskiyou n side Mt. Shasta (along Bolam logging rd) Comment
  UC922464  Phacelia mutabilis Annie M. Alexander and Louise Kellogg 1949-7-22 5846 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake (top of ridge) 2072 Comment
  CDA21190  Phacelia pringlei Ogden 2007-5-23 PDR 1365288 Siskiyou Northern California; McDonald Lane in Weed. 0 Comment
  HSC49932  Phacelia pringlei G. L. Clifton, Ground 1978-7-2 1810 Siskiyou Near Scott Mtn. Summit 1705 Comment
  HSC13730  Phacelia pringlei Lincoln Constance, H. L. Mason 1950-7-15 3358 Siskiyou West shoulder of Scott Mtn. above road-summit 1829 Comment
  CAS-BOT-BC265816  Phalaris arundinacea Calvin McMillan; Malcom A. Nobs 1949-6-17 802 Siskiyou Grass Lake, Highway 97 Comment
  CDA17141  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  CAS-BOT-BC77431  Philadelphus lewisii Doris K. Kildale; J. W. Gillespie 1929-6-22 8029 Siskiyou Boulder Creek, 2 mi. north of Moine and south of Dunsmuir Comment
  UC1190253  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou small gulch on Rush Creek Trail 1.5 mi above Mt. View Ranch 1036 Comment
  UCD161470  Philadelphus lewisii H. P. Olmo 1931-6-8 s.n. Siskiyou Somes Bar; junction of Salmon and Klamath Rivers. Comment
  RSA186328  Phleum alpinum Gilbert Muth 1966-10-16 19 Siskiyou Marble Mountains 1793 Comment
  SEINET516279  Phleum alpinum Vernon H. Oswald 1997-7-28 8788 Siskiyou SE of Medicine Lake on road 43N54 at a meadow 0.6 mi SE of Paynes Springs. 1920 Comment
  UC196937  Phleum alpinum Geo. D. Butler 1908-8-7 489 Siskiyou head of West Fork of Woolly Creek Comment
  HSC4821  Phlox diffusa J. O. Sawyer 1968-7-9 408 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  JEPS69943  Phlox diffusa Willis L. Jepson 1894-8-4 14990 Siskiyou Horse Camp Mt. Shasta Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  UC164140  Phlox hoodii subsp. canescens Geo. D. Butler 1909-5-15 738 Siskiyou Klamath Hills Klamath Comment
  HSC36889  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC43832  Phlox speciosa subsp. occidentalis Maralyn O'Meara 1974-5-27 486 Siskiyou Along FS Rd. 47N03 1280 Comment
  CDA40275  Phlox speciosa subsp. occidentalis T. C. Fuller 1958-4-16 4811 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC135026  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  JEPS42560  Phoradendron densum Geo. M. Pendleton 1917-1 Siskiyou Sisson Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  RSA238386  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou Inlet meadow sloping down to Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1034568  Phyllodoce empetriformis Douglas Barbe 1955-7-25 286 Siskiyou n slope of Scott Mountain Scott Mountain 1981 Comment
  UCD117721  Phyllodoce empetriformis Jack Major 1961-7-14 633 Siskiyou Panther Meadows Campground, Mount Shasta. 2270 Comment
  UC609320  Phyllodoce empetriformis Eleanor Burks Hart 1938-8-20 942 Siskiyou sw slope of Red Cap Red Cap 2255 Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CAS-BOT-BC60760  Physaria occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain. 1066 Comment
  UCD116160  Physaria occidentalis subsp. occidentalis Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  CAS-BOT-BC140605  Physocarpus capitatus L. E. Smith 1913-6-12 352 Siskiyou Road between Sisson and Castle Lake Comment
  HSC27011  Physocarpus capitatus J. P. Smith, J. O. Sawyer 1972-9-13 5779 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  HSC46767  Physocarpus capitatus William J. Ferlatte 1974-7-13 1513 Siskiyou Big Flat, steep banks of the S Fork of Salmon River just W of USFS campground 1463 Comment
  RSA68932  Physocarpus capitatus A. E. Culbertson 1943-7-16 26 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6000' eastern spur of Trinity Wts. ; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC555305  Physocarpus capitatus D. Tebbe 1929-7-15 117 Siskiyou Mt Eddy Comment
  CAS-BOT-BC73474  Picea breweriana John Thomas Howell 1939-8-2 14900 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC78171  Picea breweriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  CAS-BOT-BC73428  Picea breweriana unspecified 1912-10-1 s.n. Siskiyou Marble Mt. Comment
  JEPS35941  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  HSC19112  Picea engelmannii J. O. Sawyer 1969-8-5 1970 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  SBBG56399  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Crk, a tributary of the Scott River 1432 Comment
  HSC58929  Pinguicula macroceras Marvin Butler 1971-8-8 68 Siskiyou Near Bell Echo Camp, close to the town of Cave Jct. 1433 Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UC572792  Pinus albicaulis unknown 1937-7-28 9163 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  UC401410  Pinus attenuata Geo. D. Butler 1908-8-26 518 Siskiyou head of Russian Creek Russian Creek Comment
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna 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
  UCD70114  Pinus attenuata D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. 1650 Comment
  HSC4807  Pinus balfouriana J. O. Sawyer 1968-7-9 406 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC73261  Pinus contorta var. latifolia H. A. Thomas 1954-7-24 4516 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  NY62295  Pinus jeffreyi C. G. Pringle 1882-9-7 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73098  Pinus lambertiana Doris K. Kildale 1929-4-27 7496 Siskiyou Cecilville Comment
  CAS-BOT-BC78779  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou Side of Black Butte Comment
  UC915724  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou Miamber Trail Comment
  HSC44632  Pinus monticola Jerome Peterson 1978-5-20 19 Siskiyou Haypress Meadow, Bulk Collection # 133 Comment
  RSA237351  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Due East of Toms Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2119 Comment
  UC618594  Pinus monticola W. Bridge Cooke 1938-9-17 11705 Siskiyou slopes below Horse Camp; Mount Shasta 2133 Comment
  NY61942  Pinus monticola W. R. Dudley 1901-8-25 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC72868  Pinus ponderosa Doris K. Kildale 1929-5-31 9160 Siskiyou Cecilville, South Fork Salmon River Comment
  JEPS64472  Piperia unalascensis E. L. Greene 1876-1 Siskiyou near Yreka Comment
  RSA237643  Piperia unalascensis Frederick W. Oettinger 1967-7-30 224 Siskiyou Between Abbotts Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA46761  Plagiobothrys bracteatus L. S. Rose 1945-6-18 45101 Siskiyou Horse Creek and Klamath River. 503 Comment
  JEPS104989  Plagiobothrys hispidulus Dean W. Taylor 1996-7-27 15861 Siskiyou Grass Lake (about 15 air miles NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  SBBG28858  Plagiobothrys hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Crk, Sterling Mtn, Siskiyou Mtns 1676 Comment
  POM182432  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka Hills. Comment
  SD113745  Plantago indica Darley F. Howe 1966-8-27 4309 Siskiyou 8.5 miles north of Weed on #97. 1189 Comment
  UC456040  Plantago lanceolata I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  HSC35439  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1975-7-18 583 Siskiyou S Fork Sacramento River, FS 40N30 1372 Comment
  HSC61845  Platanthera dilatata var. leucostachys Ruby Van Deventer 1938-7-9 Siskiyou Poker Flat 1585 Comment
  RSA120506  Platanthera leucostachys S. S. Tillett 1956-7-6 657 Siskiyou Masterson Meadows, E side of Scott Mtn, Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1890 Comment
  CHSC30938  Platanthera sparsiflora T. Spira 1979-7-4 401 Siskiyou 2 mi sw of Stewart Springs, off rd 42N17. 1584 Comment
  HSC29094  Platanthera sparsiflora Frederick W. Oettinger 1969-7-29 1101 Siskiyou Marble Mountain Wilderness Area, High Lakes Basins, outlet of Uncle's Lake 1829 Comment
  UC416747  Plectritis ciliosa subsp. ciliosa F. W. Hooper 18 Siskiyou Little Shasta Comment
  SBBG30546  Plectritis congesta subsp. congesta D. Myrick 1968-6-25 2014 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  HSC36768  Plectritis macrocera J. P. Smith 1974-5-25 7412 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCD92192  Poa AHM 1955-7-27 55 E Siskiyou Klamath National Forest. Marble Mountains. Pierce's Draw Meadow. 1676 Comment
  UCD90284  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3443 Siskiyou Near Happy Camp. Bank of Klamath River near habitations. Comment
  SEINET236450 Image available Poa bolanderi Louis C. Wheeler 1935-7-26 3708 Siskiyou Klamath National Forest ; Jaynes Canyon Siskiyou mts. 1951 Comment
  UC166234  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleford Creek 1371 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
  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
  RSA238407  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA715495  Poa pratensis L. Ahart 2005-6-9 12033 Siskiyou along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/4 mile (air) south of Highway 99/97 Cuttoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  JEPS81692  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  UCD91773  Poa pringlei A. H. Murphy 1958-8-6 58 L Siskiyou Klamath National Forest. Second Valley Marble Mountains. 2255 Comment
  UCD91776  Poa pringlei Robert E. Preston 2001-6-23 1597 Siskiyou Klamath National Forest, north facing slope of Rainbow Mountain. 2042 Comment
  RSA577537  Poa secunda L. C. Wheeler 1935-5-11 3478 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA578034  Poa secunda L. C. Wheeler 1935-5-18 3498 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  RSA603830  Poa secunda L. C. Wheeler 1935-5-4 3464 Siskiyou Siskiyou Mountains; Greenhorn Creek. 854 Comment
  HSC25424  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5666 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC26127  Poa secunda subsp. secunda J. P. Smith, Steve Selva 1970-6-16 3996 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  UC1025012  Poa secunda subsp. secunda Leo Whitney 1935-7-15 3485 Siskiyou 2 mi se Medicine Lake (Bullseye Lake) Comment
  UC1579532  Poa secunda subsp. secunda Mitchell 1936-5-8 4 Siskiyou base of Schonchin Butte; Lava Beds Nat'l Monument 1371 Comment
  CAS-BOT-BC243232  Poa secunda subsp. secunda A. A. Heller 1905-6-9 8007 Siskiyou About 1 mile E of Montague Comment
  RSA126049  Polemonium californicum I. L. Wiggins 1955-7-29 13574 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC313714  Polemonium eddyense R. Stubbs 2010-7-15 015 Siskiyou Mt Eddy in the Klamath Mts. On trail leading to summit. First plants on S aspect along trail. Plants also on summit 2749 Comment
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Jul 6 2020
  UC164115  Polemonium micranthum Geo. D. Butler 1910-3-23 1137 Siskiyou near Yreka; near Yreka Comment
  UCD118481  Polemonium micranthum R. N. Raynor 1940-4-16 s.n. Siskiyou Dorris. Comment
  UC602587  Polemonium pulcherrimum W. Bridge Cooke 1938-7-28 11376 Siskiyou Mt. Shasta 2895 Comment
  SEINET12279655  Polemonium pulcherrimum H. P. Chandler 1901-1 1671 Siskiyou Marble Mountain 2438 Comment
  SBBG112732  Polemonium pulcherrimum var. pilosum E. White 1998-8-26 698 -2 Siskiyou near Helen Lake, Mt Shasta; T41N, R3W, S20, NE/4 of NE/4 3169 Comment
  CHSC48339  Polyctenium fremontii var. fremontii Vernon Oswald 1986-5-29 2073 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  JEPS93927  Polygala cornuta var. cornuta Vernon H. Oswald and Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  POM204110  Polygala cornuta var. cornuta J. T. Howell 1934-7-4 12406 Siskiyou SE corner of Siskiyou County Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  SEINET6652321 Image available Polygonum arenastrum A. A. Heller 1915-1 1753 Siskiyou Metcalfs ranch, northeast base of Mount Eddy 1189 Comment
  UCD99889  Polygonum argyrocoleon P. C. Everett; E. K. Balls 1954-10-13 20278 Siskiyou Yellow Pine Forest Community, Seiad Creek, road to Kangaroo Mt., 6.7 mi. n.e. from Hwy 96. 701 Comment
  JEPS51312  Polygonum aviculare subsp. aviculare W. L. Jepson 1894-7 Siskiyou Sisson Comment
  UC164035  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackelford Creek Comment
  UC60974  Polygonum convolvulus Geo. B. Grant September 1902 5163 Siskiyou Sisson Mount Shasta 914 Comment
  UC1215081  Polygonum davisiae Paul C. Hutchison 1962-8-2 927 Siskiyou between Panther Meadow and top of ski lift (s slopes); Mount Shasta 2438 Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  RSA105356  Polygonum douglasii G. D. Barbe 1955-7-17 214 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  JEPS84295  Polygonum douglasii subsp. douglasii L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6483 Siskiyou e Cook and Green Pass (w ridge of butte); Copper Butte 1524 Comment
  UC1409207  Polygonum douglasii subsp. douglasii Frederick W. Oettinger 1968-8-11 470 Siskiyou sw side of creek bed e Tom Taylor Cabin (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  JEPS94858  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-8-3 9405 Siskiyou 11. 5 mi w of Gazelle (junction of Gazelle-Callahan Road and USFS 41N03); junction of Gazelle-Callahan Road and USFS 41N03 1524 Comment
  JEPS50626  Polygonum lapathifolium Geo. D. Butler 1908-7-16 196 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  CHSC116260  Polygonum ramosissimum var. prolificum Barbara L. Wilson; Nick Otting 2014-6-16 18104 Siskiyou City of Weed. 1137 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-BC421081  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou North fork trail, Mount Eddy Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  SBBG27533  Polypodium glycyrrhiza L. Constance, R. C. Rollins 1942-5-13 2908 Siskiyou Klamath River, 4 mi E of Seiad 457 Comment
  SEINET193229 Image available Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 miles east of Seiad 457 Comment
  RSA129379  Polypogon monspeliensis H. S. Yates 1936-6-21 5813 Siskiyou 6 miles N of Gazelle. 793 Comment
  HSC79149  Polystichum imbricans C. J. Thomas 1983-10-1 100 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  JEPS83824  Polystichum imbricans subsp. imbricans Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  CAS-BOT-BC76766  Polystichum imbricans subsp. imbricans William Bridge Cooke 1938-9-2 11594 Siskiyou Mount Shasta - along the Sisson Southern Trail on a lava flow. Comment
  HSC79134  Polystichum kruckebergii C. J. Thomas 1983-10-1 83 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  CAS-BOT-BC72393  Polystichum lemmonii Clare B. Hardham 1961-7-1 7991 Siskiyou White Mountain, Siskiyou Mountains Comment
  POM120353  Polystichum lemmonii Geo D. Butler 1910-7-12 1757 Siskiyou Shackleford Creek 1372 Comment
  RSA60633  Polystichum lemmonii I. L. Wiggins 1950-5-28 12378 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC72407  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  LA204822  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-7 755 Siskiyou Baldy Mt (NW of Happy Camp), large bluff ca. 0.5 mi NW of lookout 1846 Comment
  UC1313058  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek; Marble Mt. Wilderness Area 1950 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
  RSA237507  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou On SE corner of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA331965  Polystichum munitum Dave Kelly, Walter Wisura 1985-7-30 4072 Siskiyou Along Middle Creek Rd (47N63), N of Horse Creek at Hwy 96. Siskiyou Mtns. Comment
  UC366561  Polystichum scopulinum unknown 1878-7-12 Siskiyou near Shasta (Mt. Eddy) Comment
  HSC79141  Polystichum scopulinum C. J. Thomas 1983-10-1 93 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  CAS-BOT-BC102763  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  POM125368  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs. Comment
  UC1265461  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou 0.7 mi ne of Abbotts Lake (in Salamander Lake, High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1790 Comment
  CAS-BOT-BC452130  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side Klamath River at Dillon Creek. 228 Comment
  UCD138308  Potamogeton gramineus Calvin McMillen; Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC453749  Potamogeton natans Alice Eastwood 1912-7-21 1284 Siskiyou Sisson Comment
  UC164068  Potentilla anserina subsp. anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Butte Valley 1280 Comment
  JEPS44463  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  RSA237619  Potentilla drummondii Frederick W. Oettinger 1967-7-26 188 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  CAS-BOT-BC143257  Potentilla flabellifolia W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  UC1409357  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou wet meadow s Upper English Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  UC609368  Potentilla fruticosa Eleanor Hart 1938-8-16 Siskiyou Edge of Lower Wright Lake, east side 2072 Comment
  UC859865  Potentilla fruticosa A. A. Heller 1915-8-26 12223 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  UC727198  Potentilla gracilis A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy 2682 Comment
  RSA237628  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC195253  Potentilla millefolia Annie M. Alexander and Louise Kellogg 1911-6-4 110 Siskiyou Mayten Comment
  CAS-BOT-BC158536  Potentilla millefolia Alice Eastwood; John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  CDA26087  Potentilla millefolia Don Shaw 1977-5-3 Siskiyou Novy Ranch, Grenada. 0 Comment
  CHSC88110  Poteridium annuum Jenny Marr 1993-7-1 120 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC44891  Prosartes hookeri Maralyn O'Meara 1974-5-25 407 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC516385  Prosartes hookeri Wm. Bridge Cooke 1941-6-7 16021 Siskiyou On the east base of Mt. Eddy 1066 Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC1408768  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou just w Horse Range Lake outlet (the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1821 Comment
  CAS-BOT-BC158202  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  HSC19188  Prunus emarginata J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC58847  Prunus emarginata Marvin Butler 1971-7-7 45 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  HSC77117  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UCD35440  Prunus emarginata Beecher Crampton 1956-8-21 3851 Siskiyou Sacramento River Canyon just above the north fork junction with the middle and south Forks. 1066 Comment
  CAS-BOT-BC158190  Prunus emarginata James McMurphy 1914-6-10 s.n. Siskiyou Hill above Ballground, Copper Mine, Kismet Comment
  RSA52440  Prunus subcordata Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley. Comment
  CAS-BOT-BC151227  Prunus virginiana var. demissa Wm. Bridge Cooke 1938-8-5 11443 Siskiyou MacBride Springs - Mount Shasta 1524 Comment
  RSA237593  Prunus virginiana var. demissa Frederick W. Oettinger 1969-7-16 1040 Siskiyou SE side of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UC1281136  Prunus virginiana var. demissa H. E. McMinn 1931-6-27 2524 Siskiyou near Gottville River (Klamath); Klamath Comment
  UC1539994  Prunus virginiana var. demissa M. Mitchell 1936-5-19 34 Siskiyou Lava Beds National Monument 1371 Comment
  UC165761  Prunus virginiana var. demissa Geo. D. Butler 1910-4-30 1248 Siskiyou Yreka Creek Comment
  RSA454202  Prunus virginiana var. melanocarpa Christopher Davidson 1975-6-5 2654 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  HSC29165  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Marble Mtn. Wilderness Area, ridge from Arrow Peak to King David Peak, English Lake Basin 1936 Comment
  OBI55411  Pseudognaphalium thermale David J. Keil, Kathleen Keil 1992-7-21 23527 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  UCD91516  Pseudoroegneria spicata W. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, 12 miles NE of Weed. Comment
  HSC36941  Pseudotsuga menziesii var. menziesii J. P. Smith 1974-5-26 7562 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  HSC68454  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-7-4 1439 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UC60896  Pseudotsuga menziesii var. menziesii W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  RSA690876  Pteridium aquilinum var. pubescens M. B. Dunkle 1944-7-26 9049 Siskiyou Siskiyou Mountains, Deer Creek Comment
  CHSC69077  Pterospora andromedea Vernon Oswald; Lowell Ahart 1997-7-28 8780 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CHSC71578  Pterospora andromedea Vernon H. Oswald; Lowell Ahart 1998-8-3 9445 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southest of Gazelle-Callahan Rd. 1676 Comment
  CAS-BOT-BC460553  Pterospora andromedea Alice Eastwood 1921-7-24 10799 Siskiyou Castle Lake Comment
  UC1409506  Pterospora andromedea F. W. Oettinger 1969-8-21 1482 Siskiyou trail from Abbott's Lake to Cold Springs (w Siskiyou Co.) 1524 Comment
  HSC97135  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  UC1738836  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9288 Siskiyou along Highway 161 8.3 mi W of Hwy 139, Lower Klamath Lake National Wildlife Refuge 1249 Comment
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Oct 8 2007
  UCD22429  Purshia tridentata Brian Vanden Heuvel 2003-4-10 190 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  CAS-BOT-BC147900  Purshia tridentata var. tridentata W. R. Dudley 1899-8-9 s.n. Siskiyou Near Sisson Comment
  HSC67754  Purshia tridentata var. tridentata J. O. Sawyer, J. Cole 1980-7-21 3862 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC462798  Pyrola dentata Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC462799  Pyrola dentata Doris K. Kildale 1929-7-21 8749 Siskiyou Elk Lick, South Fork of Indian Creek 1524 Comment
  HSC19197  Pyrola picta J. O. Sawyer 1968-6-18 202 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  SBBG25824  Pyrola picta D. Myrick 1966-8-10 1525 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC141181  Pyrola picta Dr. E. B. Copeland 1903-8-16 3921 Siskiyou Mt. Shasta 1828 Comment
  UC625499  Pyrola picta Frank W. Gould 1938-6-27 473 Siskiyou 3 mi n of town of Mount Shasta (near highway U.S. 99) 1082 Comment
  CAS-BOT-BC466128  Pyrola picta Alice Eastwood 1921-7-26 10859 Siskiyou Soda Creek Comment
  CAS-BOT-BC362386  Pyrrocoma racemosa var. racemosa Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  UCD82870  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -9 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  CAS-BOT-BC94649  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  UCD46152  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
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  HSC31513  Quercus sadleriana Steve Selva, Roger Jensen 1974-8-22 36 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  POM256457  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest. 1372 Comment
  SBBG25325  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou jct Red Rock Valley trail and Cyn Crk trail; Marble Mtn Wilderness 1341 Comment
  UC722975  Quercus sadleriana C. L. Hitchcock and J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp road 1676 Comment
  UCD83687  Quercus sadleriana J. M. Tucker 1963-8-20 3788 Siskiyou Marble Mountain Wilderness Area, trail from Marble Valley Guard Station to Lover's Camp, along Canyon Creek, ca. 2 mi up the canyon from Lover's Camp. 1432 Comment
  UCR210398  Quercus sadleriana J. R. Shevock, David Toren 2000-9-1 20099 Siskiyou Siskiyou Mountains, Rogue River National Forest, Applegate River Drainage, along trail 959 toward Bear Gulch about 100 yards north of Cook and Green Pass off of road 1055 1433 Comment
  UCSB25038  Quercus sadleriana Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass, north of Seiad Valley 1676 Comment
  UCSB3289  Quercus sadleriana Breedlove, Dennis 1962-6-10 Siskiyou Southwest slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles northwest of Happy Camp; Siskiyou Mountains 1554 Comment
  CAS-BOT-BC104630  Quercus vacciniifolia Elmer I. Applegate 1930-8-9 6598 Siskiyou Middle Fork Applegate River Comment
  HSC19225  Quercus vacciniifolia J. O. Sawyer 1968-9-28 749 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC59008  Quercus vacciniifolia Marvin Butler 1971-7-20 176 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  RSA13713  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou West Fork of Beaver Creek, Siskiyou Mountains. 1677 Comment
  CHSC63323  Raillardella pringlei Vernon H. Oswald; Lowell Ahart 1994-7-11 6400 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. Meadow. 1783 Comment
  SBBG48693  Ranunculus aquatilis var. diffusus R. N. Philbrick 1974-9-2 Siskiyou Shasta River, just E of Grenada Comment
  RSA183667  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1965-8-6 183 Siskiyou Marble Mountains; backside of Black Mountain Comment
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May 28 2009
  RSA238276  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1905 Comment
  UC61061  Ranunculus occidentalis W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  POM100037  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou Scott River. Comment
  CAS-BOT-BC6143  Ranunculus occidentalis var. dissectus Harley Pierce Chandler 1901-6-1 1691 Siskiyou Near Marble Mountain 2286 Comment
  UC118221  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee July 1887 Siskiyou Ager Comment
  RSA269271  Ranunculus testiculatus T. C. Fuller 1970-3-24 s.n. Siskiyou Juvenile Hall, S of jct of Annie and State Street, Yreka Comment
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Mar 20 2011
  CAS-BOT-BC56115  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Cottville, Klamath River, Mt. Diablo Mer. 566 Comment
  UC1409293  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou midway down the steep spillway from Diamond Lake to Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, English Peak 1920 Comment
  UC80228  Rhamnus rubra Dr. E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC22285  Rhododendron columbianum J. O. Sawyer 1969-6-13 1089 Siskiyou W of Little Duck Lake 2043 Comment
  HSC36223  Rhododendron columbianum John Rehling 1974-8-24 44 Siskiyou S end of Little Duck Lake Comment
  HSC27604  Rhododendron occidentale Carl W. Mize 1972-6-10 49 Siskiyou ca. 50 ft. above Steinacher Creek and 1/2 mi. from Wooley Creek 335 Comment
  SBBG17619  Rhododendron occidentale M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine Comment
  RSA0044691  Rhus trilobata var. quinata Geo. D. Butler 1910-6-29 1615 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC438004  Ribes L. B. Kildale 1929-5-26 9192 Siskiyou Salmon River at Hawkin Car 609 Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CHSC9494  Ribes cereum J. F. Goodwin 1971-7-3 132 Siskiyou North side of road on dry rocky bank, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  HSC76887  Ribes cereum K. T. Stillman 1976-6-27 150 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  RSA0024874  Ribes cereum var. cereum M. O'Mera 1974-5-27 471 Siskiyou Along road 47N03. 1646 Comment
  CAS-BOT-BC173291  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC173298  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  CAS-BOT-BC173299  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou Trail crossing China Creek, above S. Fork of Salmon River, south of Mountain View Ranch (7 miles aove Cecilville) 1301 Comment
  HSC69420  Ribes lacustre John Palmer 1980-8-13 775 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS86078  Ribes lacustre Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass 1371 Comment
  UC11567  Ribes lacustre Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UCR80273  Ribes lacustre L. C. Wheeler 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek off Hungry Creek. 1280 Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  RSA0021144  Ribes lobbii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1250 Siskiyou Outlet of Pine Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SJSU6064  Ribes lobbii R. W. Trivelpiece 1971-6-9 26 Siskiyou near Deadman Peak c. 8 mi E of Cecilville, Salmon R Mts 1432 Comment
  UC1181810  Ribes lobbii Dorothy Parker 1950-4-22 401 Siskiyou near French Creek; Siskiyou Mountains, Salmon Mountains 1005 Comment
  CAS-BOT-BC212483  Ribes marshallii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC219263  Ribes nevadense H. E. Brown 1897-7-15 586 Siskiyou S side of Mount Shasta 3048 Comment
  RSA0023150  Ribes nevadense John Dourley, Walter Wisura 1982-10-17 3884 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  RSA0018040  Ribes roezlii H. K. Wagnon, G. D. Barbe 1957-6-16 13127 -MSB Siskiyou Scott Mountains up to 1300. Comment
  CAS-BOT-BC199994  Ribes roezlii var. cruentum Lewis S. Rose 1945-6-18 45056 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC60105  Ribes roezlii var. cruentum M. A. Baker 1977-6-27 388 Siskiyou Happy Camp. Comment
  HSC65696  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6551 Siskiyou Scott Bar along the Scott River Comment
  JEPS49460  Ribes roezlii var. cruentum W. L. Jepson 1907-7-4 2812 Siskiyou Shackelford Canyon Marble Mt. region Comment
  JEPS49462  Ribes roezlii var. cruentum W. L. Jepson 1902-7-17 2059 Siskiyou trail to Devil's Backbone; Trinity Summit 2133 Comment
  UCD33536  Ribes roezlii var. cruentum Beecher Crampton 1969-6-18 8464 Siskiyou Siskiyou County, Quartz Hill, 5 miles west of Fort Jones (direct line), 1.5 miles N.N.W. of Oro Fino. 1219 Comment
  HSC36607  Ribes sanguineum Brent Whiteley 1975-6-28 89 Siskiyou 915 Comment
  UC165272 Image available Ribes sanguineum Geo. D. Butler 1909-4-26 671 Siskiyou Quartz Valley Comment
  RSA0019540  Ribes sanguineum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1280 Siskiyou Southeast of English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  RSA0019715  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills. Comment
  CAS-BOT-BC168805  Ribes viscosissimum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  HSC100866  Ribes viscosissimum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13062 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  JEPS84056 Image available Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6361 Siskiyou ca. 1/2 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC618601  Ribes viscosissimum W. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC75456  Ribes viscosissimum Milo S. Baker 1898-8-1 472 Siskiyou Medicine Lake Comment
  CAS-BOT-BC75022  Rorippa palustris var. hispida Louis C. Wheeler 1934-9-15 3260 Siskiyou Siskiyou Mountains. Walker, Klamath River. 518 Comment
  CAS-BOT-BC147461  Rosa californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  SEINET8986557  Rosa eastwoodiae Unknown 1912-1 2100 (15) Siskiyou Sisson, Siskiyou County. Comment
  CAS-BOT-BC146745  Rosa gymnocarpa Alice Eastwood 1923-5-23 11906 Siskiyou Cantara, S.P.R.R. Comment
  CAS-BOT-BC146754  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  HSC69002  Rosa gymnocarpa Maralyn A. Renner 1980-7-28 2195 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC96805  Rosa gymnocarpa S. Lyon 2006-6-2 2 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  RSA50227  Rosa gymnocarpa E. K. Balls 1949-7-9 13934 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC637137  Rosa gymnocarpa Edward Lee 1934-8-13 1090 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian 1463 Comment
  RSA597961  Rosa gymnocarpa Louis C. Wheeler 1963-9-3 8341 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
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Apr 8 2015
  CDA38670  Rosa multiflora Larry Livesay 2013-4-23 PDR# 470 P06027592 Siskiyou East of Montague; on the west side of Lichens Rd., 0.25 miles north of Ball Mountain Road. Comment
  UC1795618  Rosa nutkana subsp. macdougalii Barbara Ertter 2001-6-9 17659 Siskiyou Mt. Shasta City at west base of Mt. Shasta, sedge meadow at SE corner of Lake and Commercial streets [destroyed for development in 2002] 1066 Comment
  CAS-BOT-BC147061  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  CAS-BOT-BC147068  Rosa pisocarpa Alice Eastwood 1923-5-29 11997 Siskiyou Cantara Comment
  CAS-BOT-BC147069  Rosa pisocarpa A. A. Heller 1919-6-20 13254 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC58953  Rosa pisocarpa Marvin Butler 1971-7-21 198 Siskiyou Near Copper Mtn., close to the town of Cave Junction 1616 Comment
  JEPS127707  Rosa pisocarpa Dean W. Taylor 1996-7-7 15822 Siskiyou Klamath National Forest. Scott Mountains; Highway 3 about 3 miles south of Scott Mountain Pass. Comment
  UC1045314  Rosa pisocarpa W. Bridge Cooke 1940-6-20 15172 Siskiyou Klamath River near the Pacific Highway below Hornbrook 609 Comment
  UC768887  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake upper Indian Creek 1828 Comment
  UC1871379  Rosa pisocarpa subsp. pisocarpa Barbara Ertter 2006-7-30 18744 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, ca 2 mi N of intersection of Little Shasta Road, roadside meadow (same meadow system as 18742, but larger and wetter site). 1584 Comment
  CAS-BOT-BC148191  Rosa rubiginosa Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp Comment
  HSC26929  Rubus armeniacus J. P. Smith, J. O. Sawyer 1971-9-18 4835 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC1736458  Rubus lasiococcus Dean W. Taylor 1972-7-3 1651 Siskiyou Cook & Green Pass 1371 Comment
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May 5 2013
  HSC36468  Rubus leucodermis J. O. Sawyer 1969-7-11 849 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC147316  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  POM366427  Rubus parviflorus Bonnie C. Templeton 1960-6-21 8555 Siskiyou Near the summit of Scott Mtn. Comment
  UC60928  Rubus ursinus Geo. B. Grant September 1902 5280 Siskiyou Mount Shasta 0 Comment
  SJSU2579  Rudbeckia klamathensis H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of Junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  CHSC91779  Rumex acetosella G. F. Hrusa 2001-6-6 15845 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: 10S, 4649821 N, 0456023 E. 1424 Comment
  CAS-BOT-BC95037  Rumex acetosella R. C. Wenk 2005-7-16 255 Siskiyou Trinity Alps, S Fork of the Salmon River, S end of Big Flat Meadow 1499 Comment
  UC618814  Rumex crispus W. Bridge Cooke 1938-7-15 11198 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  CDA23189  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  RSA577798  Sagittaria cuneata L. C. Wheeler 1935-7-20 3669 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  RSA8226  Sagittaria cuneata Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain. Comment
  CAS-BOT-BC103536  Salix commutata John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC103464  Salix eastwoodiae Milo S. Baker 1893-8-8 s.n. Siskiyou Medicine Lake 1981 Comment
  HSC76982  Salix eastwoodiae K. T. Stillman 1976-6-25 74 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  RSA261430  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp. At base of Kings Castle on the E side. Marble Mtn Wilderness Area. 1982 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  UC1173606  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14397 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  UC5224  Salix eastwoodiae Harley P. Chandler June, 1901 1547 Siskiyou ridges and meadows near Marble Mt.; North Coast Ranges 1828 Comment
  CAS-BOT-BC107790  Salix hindsiana W. R. Dudley 1905-8-3 s.n. Siskiyou By upper Sacramento near Sissons below wood and Sheldon's Mill Comment
  RSA610755  Salix laevigata Louis C. Wheeler 1935-5-11 3472 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET12003261  Salix lasiandra H. P. Bracelin 1931-1 468 Siskiyou n side of Mt. Eddy, 21 km NW of Shasta City, below Dobkin's Lake 1770 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  POM107151  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou Yreka Creek. Comment
  UC576391  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 854 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  POM219898  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 429 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. 1200 Comment
  CAS-BOT-BC126154  Salix scouleriana L. E. Smith 1913-4-2 619 Siskiyou Sisson Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  RSA186319  Salix scouleriana Gilbert Muth 1966-10-16 1 Siskiyou Marble Mountains 1793 Comment
  RSA238030  Salix scouleriana Frederick W. Oettinger 1968-9-4 696 Siskiyou W shore line, Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1723 Comment
  SBBG57975  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  SEINET10682428  Salix scouleriana Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 179 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  CDA39589  Salix scouleriana T. C. Fuller 1960-6-3 4616 Siskiyou Four miles north of Harris Springs Guard Station, 14 miles north of Bartle. 0 Comment
  RSA238004  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou W shore of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1723 Comment
  HSC14352  Salvia dorrii var. incana R. C. Wunner 1965-7-9 357 Siskiyou Lava Beds National Monument, Black Crater Trail, 25 yds. from Hardin Butte trail jct. Comment
  UC61047  Sambucus mexicana W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC236480  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  CHSC32941  Sambucus racemosa var. microbotrys J. P. Smith; Steve Selva 1970-6-16 4066 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  UC901893  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou Little Grayback Peak near summit Little Grayback Peak 1737 Comment
  HSC46730  Sanicula graveolens William J. Ferlatte 1974-7-15 1543 Siskiyou Dorleska summit, W side of Grouse Ridge just below summit 2134 Comment
  CAS-BOT-BC94390  Sanicula tuberosa R. C. Wenk 2005-6-17 169 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  RSA45489  Saponaria officinalis J. C. Roos, L. Roos 1948-9-2 4019 Siskiyou Hills just N of Mt. Shasta (city). Comment
  UC1212565  Saponaria officinalis Francia Chisaki and Helen Sharsmith 1959-8-20 4740 Siskiyou on road from Callahan three mi before reaching Etna (Scott Valley); Inner North Coast Ranges, Scott Valley 853 Comment
  CDA8573  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 20045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  UC1190190  Saxifraga aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  RSA211112  Saxifraga ferruginea William J. Ferlatte 1967-7-25 729 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC166559  Saxifraga mertensiana Geo. D. Butler 1908-8-8 222 Siskiyou Marble Valley Comment
  RSA211110  Saxifraga nidifica William J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  JEPS47548  Saxifraga oregana W. L. Jepson July 1894 13476 Siskiyou Sisson Comment
  JEPS84192  Saxifragopsis fragarioides L. R. Heckard with J. Hickman et al. 1986-7-17 6508 Siskiyou e Condrey Mt. (slopes of Alex Hole); e of Condrey Mt., slopes of Alex Hole 1930 Comment
  POM298424  Saxifragopsis fragarioides Lester Rowntree 1937-7-21 s.n. Siskiyou Caribou Lakes. Comment
  RSA22019  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC445877  Saxifragopsis fragarioides Doris K. Kildale 1929-7-20 8595 Siskiyou South east slope Preston Peak 1950 Comment
  CAS-BOT-BC111665  Schoenoplectus pungens var. badius D. E. Breedlove 1962-6-10 3324 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  HSC69109  Scirpus congdonii Maralyn A. Renner 1980-8-6 2306 Siskiyou Cracker Meadow 1555 Comment
  HSC77192  Scirpus congdonii L. P. Janeway 1983-8-16 555 Siskiyou Poker Flat 1524 Comment
  RSA119342  Scirpus congdonii S. S. Tillett 1956-7-9 641 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  UC1265458  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-7 1271 Siskiyou sandy beach English Lake (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); , Salmon Mountains, Marble Mountain Wilderness A 1752 Comment
  CAS-BOT-BC111094  Scirpus microcarpus Alice Eastwood 1912-7-21 1289 Siskiyou Sisson Comment
  UC143719  Scirpus microcarpus Copeland 1903-8-14 3722 Siskiyou Sisson Comment
  JEPS63796  Scirpus pungens B. C. Goldsmith 1916-1 Siskiyou Castle Rock Comment
  HSC4159  Scleranthus annuus L. C. Wheeler 1935-6-15 3589 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  HSC68108  Scleranthus annuus J. P. Smith 1973-5-5 6459 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SBBG25863  Scutellaria antirrhinoides D. Myrick 1966-8-9 1507 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC164006  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  UC25793  Scutellaria antirrhinoides T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC214256  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou Road cut just S of Weed Comment
  RSA120941  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou Just south of Weed. Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  CHSC88374  Secale cereale Jenny Marr 1993-7-1 180 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC118104  Sedum kiersteadiae Peter Zika; Barbara Wilson 2011-7-31 25677 Siskiyou 0.9 mile by roadd east of summit on Highway 3 at Scott Mountain; UTM zone 10, 525847 east, 4568011 north +- 30 feet. 1547 Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC19537  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1501 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  JEPS2848 Image available Sedum purdyi Carl Purdy 1900-1 Siskiyou Etna Mills; ; Etna Mills, Siskiyou Co. Comment
Read comments
Jun 5 2007
  UC667084  Sedum spathulifolium Joseph P. Tracy 1939-4-29 16271 Siskiyou Somes Bar Somes Bar (rock bluff in shade) 182 Comment
  UC1408848  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC34089  Selaginella scopulorum J. O. Sawyer 1969-7-9 1256 Siskiyou W facing slope above Bingham Lake 2317 Comment
  CAS-BOT-BC496375  Selaginella scopulorum Louis C. Wheeler 1934-8-14 3122 Siskiyou Siskiyou Mts., 0.5 mile W White Mt. 1920 Comment
  JEPS79405  Selaginella wallacei Edward Lee 1934-8-12 1044 Siskiyou between Hamburg and Seiad Valley (n side Klamath River near mouth of Walker Creek) 426 Comment
  JEPS82268  Senecio fremontii var. fremontii Roger Raiche 1983-8-13 30600 Siskiyou near summit of Mt. Eddy; Mt. Eddy 2743 Comment
  UC163920  Senecio hydrophiloides Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest foothills Goosenest 1524 Comment
  CAS-BOT-BC363932  Senecio integerrimus var. exaltatus John Thomas Howell 1937-7-22 13309 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC166186  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain 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
  SEINET10726584  Senecio scorzonella Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  CAS-BOT-BC364433  Senecio triangularis Alice Eastwood 1921-7-24 10775 Siskiyou Castle Lake Comment
  HSC91240  Senecio triangularis Jennifer Whipple 1978-10-6 2402 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  POM255759  Senecio triangularis Marion Ownbey, Ruth Ownbey 1938-7-20 1759 Siskiyou 1 mile NW of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  OBI53780  Sericocarpus oregonensis subsp. oregonensis David J. Keil 1992-7-19 23463 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  CAS-BOT-BC240272  Setaria viridis Geo. D. Butler 1910-7-29 1796 Siskiyou Yreka Comment
  JEPS104952  Sidalcea oregana subsp. oregana Dean W. Taylor 1996-6-26 15743 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
  JEPS84215  Sidalcea oregana subsp. oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6322 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte, e slopes) 1750 Comment
  HSC46148  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-17 4476 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS25645  Silene campanulata subsp. glandulosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7285 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC181185  Silene campanulata subsp. glandulosa Lillian Mott 1976-7-8 42 LM76 Siskiyou Salt Gulch a tributary of Horse Creek, ca. 7 mi. North of Klamath River 853 Comment
  RSA48002  Silene campanulata subsp. greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing n Scott Mountain Road south of Callahan. 1524 Comment
  JEPS87358  Silene douglasii W. L. Jepson 1940-6-23 20027 Siskiyou n Mt. Shasta (Andesite station); n of Mt. Shasta, Andesite station 975 Comment
  SD98921  Silene douglasii Darley F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta. 1460 Comment
  UC1190192  Silene douglasii Ira L. Wiggins 1955-7-29 13580 Siskiyou trail to Caribou Lake , trail to Caribou Lake (Summit of ridge above Thompson Creek) 1999 Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  CAS-BOT-BC388960  Silene grayi John Thomas Howell 1937-7-26 13534 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC23547  Silene grayi J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  SJSU2571  Silene grayi H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  HSC61455  Silene laciniata subsp. californica Ruby Van Deventer 1938-6-11 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC389425  Silene lemmonii A. A. Heller 1920-6-27 13388 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CDA16173  Sisymbrium officinale G. F. Hrusa, T. D. Wilfred 1999-5-31 15072 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  RSA12575  Sisyrinchium idahoense Carl B. Wolf 1934-7-6 6011 Siskiyou 0.5 mi. south of Wagon Camp. South slope of Mt. Shasta. 1524 Comment
  JEPS941  Sium suave Willis L. Jepson July, 1894 13241 Siskiyou n of Sisson (Mount Shasta, by the stage-road); Mount Shasta Comment
  UC1409318  Smilacina stellata Frederick W. Oettinger 1968-8-6 428 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (se corner, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UC144301  Smilax californica A. A. Heller 1905-6-5 7973 Siskiyou between Shasta Retreat and Shasta Springs Comment
  HSC30444  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Salmon Mountains, High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area, outlet of Abbott's Lake. 1723 Comment
  HSC45046  Solanum parishii J. O. Sawyer 1978-6-20 3261 Siskiyou Marble Mtn. Wilderness; W of Abbot's Upper Cabin, N Fork Trail 1524 Comment
  HSC46804  Solanum parishii William J. Ferlatte 1974-7-25 1580 Siskiyou Lower slope of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  UCD126994  Solanum physalifolium var. nitidibaccatum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  RSA238032  Solanum umbelliferum Frederick W. Oettinger 1969-7-11 971 Siskiyou Approx. 0.2 mile below the 13 mile marker along the trail from English to Diamond Lake. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains. 2012 Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  UC88139  Solidago elongata K. Brandegee July 1887 Siskiyou Sisson's Comment
  HSC62028  Solidago multiradiata Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  HSC2233  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  JEPS32369  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou Quigley's Ranch , Quigley's Ranch (Oro Fino) Comment
  RSA715771  Sonchus asper subsp. asper L. Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  JEPS44984  Sorbus californica W. L. Jepson 1902-7-17 2075 a Siskiyou Salmon Summit 2286 Comment
  CAS-BOT-BC158934  Sorbus scopulina W. R. Dudley 1901-8-1 s.n. Siskiyou Salmon Mountains Comment
  HSC44932  Sorbus scopulina J. O. Sawyer 1978-6-19 3250 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UC466712  Sorbus scopulina Annie M. Alexander and Louise Kellogg 1911-8-23 341 Siskiyou Castle Lake 1656 Comment
  UCR18933  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou 10 mi. SW of Etna Comment
  JEPS96999  Sorbus scopulina var. cascadensis Dean W. Taylor 1999-8-12 17299 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CAS-BOT-BC390610  Spergularia rubra Alice Eastwood 1921-7-24 10736 Siskiyou Castle Lake Comment
  CAS-BOT-BC390713  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Miller Grade, Siskiyou Mts. 1828 Comment
  HSC68012  Spergularia rubra J. P. Smith, Steve Selva 1970-6-16 4015 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CHSC1608  Spiraea densiflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  SDSU9260  Spiraea densiflora D. F. Howe 1977-7-1 4973 Siskiyou Mountain Creek on Scott River Road. 1463 Comment
  UC722698  Spiraea densiflora C. L. Hitchcock and J. S. Martin 1939-7-7 5272 a Siskiyou ca 12 mi s Takilma, Oregon (Sanger Peak Trail, 1 mi s of Camp Chicago); Siskiyou Mts. 1432 Comment
  CAS-BOT-BC149686  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  POM210937  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  RSA105380  Spiraea douglasii G. D. Barbe 1955-7-5 102 Siskiyou 2.5 miles N of Etna on the road to Greenview. 884 Comment
  SEINET3157634  Spiraea douglasii G. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  UC618746  Spiraea douglasii unknown 1938-7-29 11400 Siskiyou above Bear Spring; Mount Shasta Comment
  JEPS95522  Spiranthes romanzoffiana Vernon H. Oswald 1994-8-10 6461 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  JEPS101600  Stachys ajugoides Dean W. Taylor 1999-8-12 17303 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  SEINET9345824  Stachys ajugoides Unknown 2002-7-12 1902 Siskiyou Klamath National Forest Comment
  CHSC106272  Stachys pilosa Lowell Ahart; John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC27628  Stachys pycnantha Carl W. Mize 1972-8-17 102 Siskiyou Above Gates Creek 488 Comment
  HSC62004  Stellaria crispa Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1524 Comment
  POM101747  Stellaria longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  CAS-BOT-BC395086  Stellaria nitens John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53395 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  UC917271  Stephanomeria lactucina R. Tofsrud and J. M. Tucker 1948-8-4 1784 Siskiyou ca 1.5 mi nw McCloud Comment
  HSC29102  Stephanomeria lactucina Frederick W. Oettinger 1968-8-7 473 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  CAS-BOT-BC375665  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  HSC38713  Stipa lemmonii J. D. Ackerman 1975-7-18 575 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  HSC91042  Streptanthus barbatus Jennifer Whipple 1976-7-13 1460 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  CAS-BOT-BC61130  Streptanthus barbatus M. S. Baker s.n. Siskiyou Sacramento River near Sisson. Comment
  CAS-BOT-BC87840  Streptanthus tortuosus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87847  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC87852  Streptanthus tortuosus A. A. Heller 1940-7-25 15769 Siskiyou Along the pathway above Horse Camp Lodge, Mount Shasta. 2438 Comment
  CAS-BOT-BC87875  Streptanthus tortuosus Louis C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains. 1798 Comment
  RSA603096  Streptanthus tortuosus L. C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains 1799 Comment
  UCD116311  Streptanthus tortuosus Robert E. Preston 1984-7-25 492 Siskiyou on summit slopes of Little Mt. Hoffman. 2196 Comment
  RSA233655  Streptanthus tortuosus R. F. Thorne, Frederick W. Oettinger 1969-8-10 39004 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC516432  Streptopus amplexifolius Doris K. Kildale 1929-8-24 9080 Siskiyou Rattlesnake Meadow, near Preston Peak, Whiskey Lake 1524 Comment
  UCD139812  Streptopus amplexifolius var. americanus John M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  UC1190159  Streptopus amplexifolius var. americanus Ira L. Wiggins 1955-7-24 13502 Siskiyou China Creek; trail at crossing, above diversion dam 1301 Comment
  HSC18882  Symphoricarpos mollis J. O. Sawyer 1968-9-11 695 Siskiyou Slopes above Twin Valley. 1463 Comment
  LA204589  Symphoricarpos mollis Wm. Bridge Cooke; 1938-7-29 11383 Siskiyou Mount Shasta, near Howard Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  POM67558  Symphoricarpos vaccinioides Edward Palmer 1892-7-13 2560 Siskiyou Mt. Shasta and vicinity. Comment
  HSC40421  Symphyotrichum ascendens J. O. Sawyer 1973-7-16 2539 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  UC223702  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3923 Siskiyou s end Lower Klamath Lake, (Willow Creek) Willow Creek Comment
  CAS-BOT-BC97617  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Dampland Edgewood Comment
  CAS-BOT-BC99034  Symphyotrichum cusickii Doris K. Kildale 1928-8-20 6619 a Siskiyou Hancock Lookout, on trail to Marble Mt. Comment
  CAS-BOT-BC97892  Symphyotrichum eatonii Alice Eastwood 1921-7-24 10735 Siskiyou Castle Lake Comment
  HSC34310  Symphyotrichum foliaceum J. P. Smith, J. O. Sawyer 1973-8-14 7323 Siskiyou West of Cliff Lake 2012 Comment
  CAS-BOT-BC98441  Symphyotrichum spathulatum Wm. Bridge Cooke 1938-9-8 11607 Siskiyou Mount Shasta, Little Red Butte 2590 Comment
  OBI55463  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-21 23541 Siskiyou Klamath NF Se of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CHSC33043  Symphyotrichum subspicatum J. P. Smith; J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Road just south of French Creek R. between Callahan and Etna. 914 Comment
  JEPS86149  Synthyris reniformis Wayne Roderick 1965-1 Siskiyou Cook & Green Pass area Cook & Green Pass 1524 Comment
  CAS-BOT-BC81347  Taxus brevifolia A. Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  HSC31985  Taxus brevifolia Steve Selva, Roger Jensen 1974-8-22 37 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  CAS-BOT-BC81340  Taxus brevifolia W. R. Dudley 1899-8-1 s.n. Siskiyou From Upper Sacramento River below Rainbow and S.W. of Sisson's Comment
  CAS-BOT-BC85234  Taxus brevifolia W. R. Dudley 1901-8-22 s.n. Siskiyou W. slope of Foxtail Ridge Salmon Mountains Comment
  HSC20424  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  UC1408864  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou s of Abbott's Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  RSA237686  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  CAS-BOT-BC88065  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  HSC91014  Thelypodium brachycarpum Jennifer Whipple 1977-8-6 2209 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  CDA25193  Thelypodium brachycarpum Don Shaw 1978-8-23 Siskiyou White Lake - Lower Klamath Refuge, Tule Lake. 0 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
  JEPS54043  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mt. Comment
  JEPS74447  Thlaspi montanum var. montanum W. J. Ferlatte 1966-6-23 122 Siskiyou Dorleska summit; Trinity Alps, Dorleska summit 2133 Comment
  RSA120207  Tofieldia glutinosa subsp. occidentalis S. S. Tillett 1956-7-11 680 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  RSA184798  Tofieldia glutinosa subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring, Marble Mountains 1793 Comment
  UCD102966  Tolmiea diplomenziesii G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3274 Siskiyou Along Klamath River, at Swillup Creek Ranger Station. 256 Comment
  JEPS104953  Torreyochloa pallida var. pauciflora Dean W. Taylor 1996-6-24 15740 Siskiyou Klamath River canyon near Oregon State Line; Klamath National Forest 1066 Comment
  CAS-BOT-BC169254  Toxicodendron diversilobum Alice Eastwood 1917-9-2 6694 Siskiyou Shasta Sprnigs Comment
  HSC69226  Triantha glutinosa Maralyn A. Renner 1980-8-31 2618 Siskiyou Twin Valley. 1494 Comment
  HSC96432  Triantha occidentalis subsp. occidentalis Tony LaBanca, Leonel Arguello, Gordon Leppig 1997-6-27 487 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC637048  Trichostema lanceolatum Edward Lee 1934-8-12 1047 Siskiyou Klamath River, S bank 1/4 mi W of Walker Creek (between Hamburg and Seiad Valley) North Coast 426 Comment
  CHSC32946  Trientalis latifolia James P. Smith; Advanced Plant Taxonomy Class 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 487 Comment
  HSC68359  Trientalis latifolia J. P. Smith, Steve Selva 1970-6-16 4051 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CHSC86676  Trifolium cyathiferum Jenny Marr 1993-7-1 59 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA237925  Trifolium cyathiferum Frederick W. Oettinger 1969-8-18 1425 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  HSC58921  Trifolium eriocephalum Marvin Butler 1971-7-11 90 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  JEPS81659  Trifolium eriocephalum var. eriocephalum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2295 Siskiyou 0.8 mi s Bray junction on U. S. 97 (Murphy Wells) 1493 Comment
  CAS-BOT-BC219034  Trifolium howellii Doris K. Kildale 1928-8-18 6426 Siskiyou North Fork on Salmon River at Finley Camp Comment
  JEPS41328  Trifolium howellii Ruby Van Deventer 1939-7-18 55 Siskiyou s Little Greyback Mtn (Poker Flat) 1524 Comment
  JEPS65928  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch) Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  RSA349096  Trifolium kingii M. B. Dunkle 1945-08 9290 Siskiyou Klamath National Forest Marble Mts. Comment
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  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  UCD78064  Trifolium productum Robert E. Preston 2001-6-23 1607 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1981 Comment
  UCD78178  Trifolium retusum Robert E. Preston 2008-5-13 2630 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River 229 Comment
  RSA582628  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3612 Siskiyou Greenview, Scott Valley. 884 Comment
  UC454709  Trifolium willdenovii I. J. Condit 1911-7-31 Siskiyou Shasta Retreat Comment
  JEPS66093  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  UCD109921  Trifolium wormskioldii A. A. Heller 1905-6-22 8094 Siskiyou Between Igerna and Weed. Comment
  SEINET10829874  Trifolium wormskioldii var. wormskioldii Louis C. Wheeler 1935-6-27 Wheeler 3620 Siskiyou Greenview, Scott Valley. Damp sunny meadow. 884 Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 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
  RSA234827  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 124 Siskiyou Englemann Spruce Forest off Music Creek logging road. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1732 Comment
  SEINET3888777  Trillium ovatum subsp. oettingeri Maralyn A. O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek loggin road, about 1/4 miles from confluence of Statute Lake Creek and Music Creek.; 0 1829 Comment
  CAS-BOT-BC200093  Trisetum canescens John Thomas Howell 1939-8-9 15199 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC2072  Triteleia crocea V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  HSC24102  Triteleia crocea J. O. Sawyer 1971-7-16 2432 Siskiyou Slope NE of Deep Lake 2165 Comment
  RSA378083  Triteleia crocea M. B. Dunkle 1944-6-25 9020 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC522337  Triteleia hyacinthina Alice Eastwood; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  POM110211  Triteleia hyacinthina Geo D. Butler 1908-8-4 108 Siskiyou Head of Shackleford Creek. Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  RSA37425  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  CHSC91368  Uropappus lindleyi Lowell Ahart; John Dittes 2005-6-10 12073 Siskiyou Rocky hillside, on the north side of the Shasta River, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SEINET10848747  Urtica dioica Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 895 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
  CHSC72243  Urtica dioica subsp. holosericea Vernon H. Oswald; Lowell Ahart 1998-9-16 9639 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  RSA262494  Vaccinium D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 miles south of Jawbone Camp, Marble Mountain Wilderness Area. 1555 Comment
  CHSC114196  Vaccinium cespitosum Loren Gehrung 1996-8-19 177 Siskiyou Russian Wilderness Area. Along Sugar Creek. 1676 Comment
  HSC91333  Vaccinium cespitosum Jennifer Whipple 1976-6-12 973 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC19352  Vaccinium membranaceum J. O. Sawyer 1968-7-2 360 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC60770  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA238837  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 764 Siskiyou East side of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238867  Vaccinium membranaceum Frederick W. Oettinger 1968-8-1 344 Siskiyou SW side of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA700700  Vaccinium scoparium L. C. Wheeler 1934-8-5 3038 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  UC2061649  Vaccinium scoparium R. F. Thorne, Frederick W. Oettinger 1969-8-4 63373 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC44966  Vaccinium uliginosum J. O. Sawyer 1978-6-20 3275 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UC28816  Valeriana californica Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  UCR219536  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  UC163749  Valerianella locusta Geo. D. Butler 1909-5-20 729 Siskiyou near Yreka Comment
  UC890166  Valerianella locusta Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek (Siskiyou Mts.); , Klamath River at Ash Creek 609 Comment
  JEPS84208  Vancouveria chrysantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6316 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  HSC73295  Vancouveria planipetala M. A. Baker 1980-6-20 2188 Siskiyou Near Bald Mtn. 1036 Comment
  RSA237909  Veratrum californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Near Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  HSC30439  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UC164384  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Shackleford Creek, Log Lake Comment
  CAS-BOT-BC527060  Veratrum viride var. eschscholzianum Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment