Search Results — 2000 specimen records retrieved (1354 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS82417  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Mt. 1792 Comment
  HSC4998  Abies lasiocarpa J. O. Sawyer 1969-8-4 1921 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  OBI36530  Abies magnifica David J. Keil 1983-7-3 17385 Siskiyou Slopes of Mt Shasta along Memorial Hwy Comment
  UC333433  Abies magnifica var. shastensis unknown Siskiyou Mt. Shasta Comment
  CAS-BOT-BC330620  Acer circinatum Alice Eastwood 1923-7-1 1346 Siskiyou Cantara Comment
  SEINET3111501  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Along trail from Doe Flat campground to Buck Lake. Comment
  UC618775  Acer glabrum var. glabrum W. Bridge Cooke 1938-6-17 11003 Siskiyou Sisson Southern Trail , Mount Shasta (a grove surrounds the spring near the trail) Comment
  CAS-BOT-BC332792  Acer macrophyllum Doris K. Kildale 1929-4-27 7843 Siskiyou Cecilville, south fork Salmon River Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  UC170342  Acer negundo Geo. D. Butler 1908-7-11 1030 Siskiyou Yreka Comment
  CAS-BOT-BC28857  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  JEPS74480  Achillea millefolium W. J. Ferlatte 1966-8-3 247 Siskiyou at, in wooded area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  HSC96834  Achillea millefolium S. Lyon, J. McIntire 2006-6-25 21 Siskiyou On FS 39N35, .25 mi. SE of intersection with Road 39N27 1341 Comment
  UC1037089  Achnatherum lemmonii Leo Whitney 1934-6-20 2221 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  CAS-BOT-BC216918  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  CAS-BOT-BC216925  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1097 Comment
  CAS-BOT-BC216929  Achnatherum occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2072 Comment
  SEINET7593408 Image available Achnatherum occidentale Frederick W. Oettinger 1969-1 1352 Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - southeast ridge of English Peak 2134 Comment
  RSA238358  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -b Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC1133081  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-8-24 343 Siskiyou Mouth of Gravel Creek Shasta National Forest, Dunsmuir Quadrangle 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
  JEPS94899  Achnatherum thurberianum Vernon H. Oswald and Lowell Ahart 1998-6-11 9192 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  POM115239  Achnatherum thurberianum Geo D. Butler, A. S. Hitchcock 1910-5-4 1277 Siskiyou Dry hill, Yreka. Comment
  UCD103804  Acmispon americanus var. americanus A. A. Heller 1916-6-23 12430 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UCD103954  Acmispon americanus var. americanus W. A. Williams 1957-7-23 57 R Siskiyou Dead Fall Creek, Shasta National Forest, e. of Mt. Eddy. 2011 Comment
  CHSC93524  Acmispon denticulatus Lowell Ahart; John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  SEINET13759128  Acmispon denticulatus R. R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road, ca 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  UC13901  Aconitum columbianum W. C. Blasdale 1894-8-1 Siskiyou Sisson Comment
  CAS-BOT-BC391513  Aconitum columbianum subsp. columbianum Alice Eastwood 1922-10-18 11544 Siskiyou Shasta Springs Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  HSC64344  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-18 4489 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC391587  Aconitum columbianum subsp. viviparum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC412910  Aconogonon davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  CAS-BOT-BC391701  Actaea rubra John Thomas Howell 1937-7-23 13340 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC618887  Actaea rubra W. Bridge Cooke 1938-8-19 11530 Siskiyou Big Bear Springs meadow and Sisson Southern Trail Spring (6500 ft) Mt. Shasta Comment
  RSA166283  Actaea rubra subsp. arguta Donald Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt. Shasta. 1677 Comment
  HSC22443  Adenocaulon bicolor J. O. Sawyer 1969-6-12 917 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  RSA17696  Agastache parvifolia Elmer I. Applegate 1935-6-7 9406 Siskiyou Indian Well, Lava Beds National Monument Comment
  SEINET7940419  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  POM208366  Agoseris grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  UC92268  Agoseris heterophylla var. heterophylla Brandegee Jul 1 1887-Jan 1 1900 Siskiyou Sissons Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  HSC69132  Agrostis exarata Maralyn A. Renner 1980-8-4 2232 Siskiyou Flint Valley 1390 Comment
  SEINET4339753  Agrostis exarata S. E. Palmer 1892-1 2644 Siskiyou Near Mount Shasta Comment
  SEINET7593589 Image available Agrostis exarata E. B. Copeland 1903-1 3903 Siskiyou Foot of Mt. Eddy 1219 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  RSA238995  Agrostis humilis Frederick W. Oettinger 1968-9-7 757 Siskiyou West shore of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA12484  Agrostis idahoensis C. B. Wolf 1934-7-4 5953 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA14318  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou West side of Medicine Lake 1982 Comment
  CAS-BOT-BC138943  Agrostis pallens Doris K. Kildale 1928-7-25 5914 Siskiyou Klamath River - Mack's Creek near Hamburg. Comment
  HSC30513  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou Midway on slope from English Lake to Dry Lake, Salmon Mountains 2134 Comment
  HSC39913  Agrostis pallens J. P. Smith, Steve Selva 1970-7-16 4391 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC65672  Agrostis pallens Donald W. Miles 1979-7-23 25 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  RSA239065  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1155 Siskiyou Above Sundew Bog, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7594101 Image available Agrostis pallens F. W. Oettinger 1969-1 1456 Siskiyou between King Davids Peak and Abbotts basin, Salmon Mountains 1905 Comment
  SEINET7594122 Image available Agrostis pallens Frederick W. Oettinger 1969-1 1411 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, northeast of Wiregrass Meadows near English Lake Basin 1676 Comment
  RSA211225  Agrostis stolonifera William J. Ferlatte 1967-8-17 952 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  RSA206889  Agrostis stolonifera Th. Holm 1903-9-6 3801 Siskiyou Capeland Comment
  SEINET7594404 Image available Agrostis stolonifera Frederick W. Oettinger 1968-1 790 Siskiyou Cliffs south of English Lake, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1646 Comment
  HSC65342  Aira caryophyllea J. P. Smith 1973-5-5 6378 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCD55774  Aira caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mts. Horse Creek. 762 Comment
  CAS-BOT-BC459433  Allium acuminatum Lewis S. Rose 1945-6-18 45069 Siskiyou Horse Creek and Klamath River 502 Comment
  HSC42108  Allium amplectens J. O. Sawyer, K. T. Stillman 1976-5-29 2751 Siskiyou Along Specimen Creek 884 Comment
  HSC75124  Allium amplectens J. P. Smith, Thomas W. Nelson 1979-6-16 10144 Siskiyou Klamath National Forest, along USFS Rd. 40N03 0.3 mi. from its junction with SR 3, 2.72 mi. from county line 1463 Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  SBBG30569  Allium campanulatum D. Myrick 1968-6-27 2049 Siskiyou Preacher's Peak above Big Flat, head of Coffee Crk 2133 Comment
  UC164160  Allium falcifolium Geo. D. Butler 1908-8-6 110 Siskiyou along trail on summit n West Fork of Woolly Creek Comment
  UC3083  Allium falcifolium C. B. Bradley 1897-1 Siskiyou Comment
  CAS-BOT-BC474287  Allium obtusum var. obtusum W. B. C. 1938-7-1 11163 Siskiyou Panther Creek Sand Flats. Sand Flats in openings, on morainal deposits in the Shata Fir forest. 1981 Comment
  CAS-BOT-BC132147  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou Hills near Yreka Comment
  UC164281  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou hill near Yreka Comment
  HSC61854  Allium validum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UCD77315  Allium validum Robert E. Preston 2001-8-26 1758 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1877 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  POM109982  Allium validum Geo D. Butler 1908-8-3 112 Siskiyou Log Lake, Shackleford Creek Comment
  UCD77317  Allotropa virgata Robert E. Preston 2001-6-23 1586 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mtn. 1920 Comment
  CAS-BOT-BC171395  Alnus incana subsp. tenuifolia Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  CAS-BOT-BC171399  Alnus incana subsp. tenuifolia John Thomas Howell 1937-7-23 13350 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC171409  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson 10 Comment
  CAS-BOT-BC171413  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  POM166506  Alnus incana subsp. tenuifolia H. P. Chandler 1901-06 1618 Siskiyou Near Marble Mountain 2134 Comment
  SBBG25321  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC169644  Alnus rhombifolia W. R. Dudley 1899-8-8 s.n. Siskiyou near Big Spring - Sisson Comment
  HSC22209  Alnus rhombifolia J. O. Sawyer 1969-7-11 865 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SEINET6890111  Alnus rhombifolia M. K. Solecki, J. B. Taft 1986-9-9 2136 Siskiyou Bank of Scotty River near Indian Scotty Campground; elevation 2,200 feet. 670 Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  RSA238554  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-24 627 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, between the flumes and Toms Lower Pond. 1890 Comment
  UC1045292  Alyssum alyssoides Reed Rollins 1940-6-7 15113 Siskiyou near Black Butte (along the Pacific Highway); Pacific Highway 1219 Comment
  CDA376  Alyssum alyssoides G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2588 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  JEPS54299  Amaranthus californicus Geo. D. Butler 1908-9-6 133 Siskiyou near Yreka (Butler's Ranch) Comment
  HSC26932  Amaranthus hybridus J. P. Smith, J. O. Sawyer 1971-9-18 4839 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC46170  Ambrosia artemisiifolia Jennifer Whipple 1978-8-22 2446 Siskiyou Scott Valley along the Island Road 793 Comment
  NY418532  Amelanchier gracilis A. A. Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC18539  Amelanchier pallida R. C. Wunner 1965-8-21 466 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC36643  Amelanchier pallida A. M. Montalvo, J. D. Ackerman 1975-7-18 578 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River 1829 Comment
  HSC68381  Amelanchier pallida Maralyn A. Renner 1980-6-26 1207 Siskiyou N edge of Flint Valley 1390 Comment
  RSA60668  Amelanchier pallida I. L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  RSA237667  Amelanchier pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou Meadow S of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC136914  Amelanchier utahensis Doris K. Kildale 1929-5-11 7761 Siskiyou Klamath River at Hornbrook Comment
  CAS-BOT-BC45210  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  POM57101  Anaphalis margaritacea Copeland, Alice Eastwood 1903-8-13 3816 Siskiyou Sisson. [old name for Mount Shasta] Comment
  CAS-BOT-BC64605  Androsace elongata subsp. acuta Louis C. Wheeler 1935-3-16 3372 Siskiyou Klamathon, Klamath River. 701 Comment
  UCD159784  Anemone G. Ledyard Stebbins 1972-7-3 9009 Siskiyou Northwest side of Red Butte, west of Cook and Green Pass. (Exact location unknown. Coordinates estimated by label maker.) 1828 Comment
  JEPS60505  Anemone deltoidea W. L. Jepson 1907-7-6 2848 Siskiyou near Marble Mtn (ridge near Budahay Valley); Marble Mtn Region Comment
  CAS-BOT-BC391800  Anemone deltoidea Doris K. Kildale 1928-7-4 5459 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  RSA211140  Anemone deltoidea William J. Ferlatte 1966-6-22 89 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC69707  Anemone drummondii Maralyn A. Renner 1980-6-26 1259 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC44  Anemone drummondii William J. Ferlatte 1966-8-4 317 Siskiyou Above Yellow Rose Mine 2134 Comment
  JEPS82704  Anemone drummondii Wayne Roderick 1984-6-7 Siskiyou on Hwy. 17 on rd. to Mt. Eddy (n. side) Comment
  SEINET12093424  Anemone lyallii H. P. Chandler 1901-1 1551 Siskiyou near Marble Mountain 1829 Comment
  HSC77116  Anemone multifida var. multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  CAS-BOT-BC391980  Anemone occidentalis Robert F. Thorne; Fred Oettinger 1969-8-10 38993 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  RSA331951  Anemone occidentalis Walter Wisura 1985-7-31 4085 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  UC375346  Anemone occidentalis Geo. D. Butler 1909-7-15 900 Siskiyou head of Taylor Creek; Salmon Range, Taylor Creek 2133 Comment
  SFV12177  Angelica arguta J. Major, M. D. Fleschner, R. H. Pemble 1966-9-5 Siskiyou Marble Mountains, east of Marble Mountain. On dry limestone ridge. 1716 Comment
  HSC68394  Angelica tomentosa Maralyn A. Renner 1980-6-26 1246 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC71992  Angelica tomentosa J. M. DiTomaso 1980-8-7 1861 Siskiyou Rattlesnake Meadow, below Preston Peak 1631 Comment
  HSC27715  Anisocarpus madioides Carl W. Mize 1972-6-8 15 Siskiyou NW slope 343 Comment
  CAS-BOT-BC59277  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Klamath Forest, Soda Creek 1767 Comment
  CAS-BOT-BC59288  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  HSC67543  Antennaria argentea J. P. Smith, J. O. Sawyer 1972-6-30 5640 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  CHSC29308  Antennaria geyeri J. D. Prouty; A. Ratcliff 1979-6-28 79 .89 Siskiyou Toad Mtn. 152 Comment
  UC336311  Antennaria geyeri unknown 1889-6-27 Siskiyou Edgwood Comment
  UC485658  Antennaria geyeri M. K. Curran Jul 1887 Siskiyou Ager Comment
  UCR51806  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  UC165971  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  HSC21993  Antennaria media J. O. Sawyer 1969-8-4 1804 Siskiyou Above Sugar Lake 2134 Comment
  POM230331  Antennaria media J. T. Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC68151  Antennaria microphylla Steve Selva, J. P. Smith 1970-6-15 3969 Siskiyou 20 mi. E of Cecilville on the road to Callahan 1646 Comment
  UC1409468  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou nnw of, vicinity of English Peak Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  CHSC71277  Antennaria rosea subsp. rosea Vernon H. Oswald; Lowell Ahart 1998-6-11 9210 Siskiyou Old State Hwy. 0.1 mi east of Tennant Rd., ca. 9 air mi east of Grass Lake located on Hwy. 97, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC84769  Antennaria umbrinella Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Around the Water Supply Spring and below Horse Camp 2468 Comment
  RSA238714  Antennaria umbrinella Frederick W. Oettinger 1968-8-5 402 -a Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC3207  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbug Creek 854 Comment
  UC164099  Apocynum androsaemifolium Geo. D. Butler 1908-7-5 75 Siskiyou dry land near Yreka Comment
  RSA120890  Apocynum androsaemifolium subsp. pumilum G. D. Barbe 1957-7-13 381 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CAS-BOT-BC397943  Aquilegia formosa Alice Eastwood 1923-5-27 11959 Siskiyou Shasta Springs Comment
  UC1037374  Aquilegia formosa Douglas Barbe 1955-7-6 133 Siskiyou se end Taylor Lake; Klamath Mts., Salmos Mtns 1950 Comment
  UC618885  Aquilegia formosa W. B. C. 1938-7-29 11424 Siskiyou Bear Springs Mount Shasta 1737 Comment
  HSC36732  Aquilegia formosa var. formosa Brent Whitely 1975-7-1 114 Siskiyou 671 Comment
  POM147867  Aquilegia formosa var. truncata J. B. Feudge 1927-7-24 1651 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  UC375285  Arabis Geo. D. Butler 1910-7-3 1635 Siskiyou Goosenest foothills Goosenest 1219 Comment
  HSC29177  Arabis divaricarpa Frederick W. Oettinger 1969-8-18 1421 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1829 Comment
  UC162638  Arabis glabra Harley P. Chandler 1901-6-1 1626 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET3899871  Arabis holboellii var. retrofracta Dorothy Parker 1951-5-10 510 Siskiyou Kidder Creek, Scott Valley.; 0 914 Comment
  HSC29175  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  HSC44946  Arabis holboellii var. retrofracta J. O. Sawyer 1978-6-18 3236 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  HSC62266  Arabis holboellii var. retrofracta Stansell 1938-6-18 Siskiyou Youngs Valley Comment
  HSC92693  Arabis modesta D. L. Goforth 1980-6-27 651 Siskiyou Klamath River at McKinney Creek 537 Comment
  CAS-BOT-BC17367  Arabis oregana Lincoln Constance; Reed Clark Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 609 Comment
  HSC27307  Arabis platysperma J. P. Smith, J. O. Sawyer 1971-9-16 4770 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  JEPS20042  Arabis subpinnatifida George D. Butler 1909-4-8 587 Siskiyou hills w Yreka Comment
  CAS-BOT-BC407727  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  POM354174  Arceuthobium abietinum Louis C. Wheeler 1934-6-18 2723 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1463 Comment
  SEINET2139750  Arceuthobium monticola R. L. Mathiasen 2008-1 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA0044721  Arctium minus L. C. Wheeler 1934-9-17 3276 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  SEINET11989681  Arctostaphylos klamathensis Unknown 1982-1 20804 Siskiyou above uppermost lake above Terrace Lake 1981 Comment
  CAS-BOT-BC39979  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou Small bog on side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake. 1584 Comment
  CAS-BOT-BC39981  Arctostaphylos nevadensis Steve Abbors 1980-7-23 s.n. Siskiyou Everitt Memorial Highway, ascending Mt. Shasta. 2286 Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1409401  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou 0.1 mi s Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Shasta R 2072 Comment
  UC154199  Arctostaphylos nevadensis Harley P. Chandler June 1901 1598 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC456164  Arctostaphylos nevadensis I. J. Condit 1911-7-22 Siskiyou Shasta trail below Horse Camp 2286 Comment
  CAS-BOT-BC46435  Arctostaphylos patula H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy. Above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46462  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mt. 1524 Comment
  CAS-BOT-BC46475  Arctostaphylos patula W. R. Dudley 1899-8-9 s.n. Siskiyou Near Black Butte. Comment
  HSC36958  Arctostaphylos patula J. P. Smith 1974-5-26 7570 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  HSC37525  Arctostaphylos patula J. P. Smith 1974-5-25 7436 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS38835  Arctostaphylos patula W. L. Jepson 1914-8-9 5743 Siskiyou McCloud 1036 Comment
  POM77330  Arctostaphylos patula Geo D. Butler 1909-3-28 586 Siskiyou Hills near Yreka. Comment
  UC1483421  Arctostaphylos patula Maralyn A. Renner 1980-7-23 1929 Siskiyou w side Upper Devil's Peak; Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1767 Comment
  UC410799  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Springs 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
  SEINET11988211  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou W of town of Gazelle near Gazelle summit 914 Comment
  CAS-BOT-BC47012  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-31 9162 Siskiyou Cecilville, s. fork Salmon River. Comment
  CAS-BOT-BC47020  Arctostaphylos viscida subsp. viscida Alice Eastwood 1912-7-20 1250 Siskiyou Horubrook. Comment
  CAS-BOT-BC47006  Arctostaphylos viscida subsp. viscida L. Toso Erna Mills 1922-4-20 s.n. Siskiyou Received at 8th California annual World Flower Show. Comment
  RSA423698  Arenaria serpyllifolia L. C. Wheeler 1934-6-3 2623 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 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
  UC1192152  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 797 Siskiyou Highway 97 Grass Lake Comment
  CAS-BOT-BC82363  Arnica cordifolia H. E. Brown 1897-6-1 364 Siskiyou Near Mt. Shasta 2133 Comment
  CAS-BOT-BC82557  Arnica discoidea Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA184714  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout Trail, Marble Mountains. 1829 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
  CHSC65616  Arnica viscosa Maria Ulloa-Cruz 1994-8-3 51 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. 2000 Comment
  RSA184691  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou North side of Black mountain, Marble Mountains. 2012 Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  UCR37828  Artemisia norvegica subsp. saxatilis K. T. Stillman 1976-7-9 220 Siskiyou Marble Mountain Wilderness Area [Kings Castle], Scott Bar 15' Q. 2141 Comment
  UCD77361  Artemisia tridentata subsp. vaseyana Robert E. Preston 2001-8-26 1771 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  RSA756943  Aruncus dioicus var. pubescens Robert F. Thorne 1969-8-2 63340 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC12124  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  HSC89615  Asarum hartwegii Brian Marston, William Kristan, Reid Storre 1988-3-27 105 Siskiyou 5 mi. S of Somes Bar, Oak Bottom Campground, on Hwy. 99 152 Comment
  SEINET191627  Asclepias cordifolia Marion Ownbey, D. H. Brown 1941-6-22 2423 Siskiyou West of Craggy Mountain, northwest of Yreka. Comment
  UC878962  Asclepias cordifolia A. A. Heller 1916-6-23 12420 Siskiyou n Sisson (near Black Butte) 1127 Comment
  UC705672  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou near Hornbrook; Ditch Creek Comment
  CHSC71561  Asclepias speciosa Vernon H. Oswald; Lowell Ahart 1998-8-3 9413 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  RSA747344  Asclepias speciosa K. M. Meyer, A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  JEPS82682  Aspidotis densa Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow) 1935 Comment
  UC1478239  Aspidotis densa Nancy Morin with J. Richards 1981-7-18 307 Siskiyou Little Castle Lake Comment
  UCD21469  Aspidotis densa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1209 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  HSC29479  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou Salmon Mtns. Marble Mtn. Wilderness Area, due E and 50 ft. below Diamond Lake 2058 Comment
  UCR30515  Aster ledophyllus John C. Roos 1948-9-1 3949 Siskiyou high ridge SW of Etna Comment
  RSA238769  Aster ledophyllus Frederick W. Oettinger 1967-8-20 292 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CDA6797  Aster novae-angliae T. C. Fuller 1966-10-6 15244 Siskiyou Etna, Scott Valley. 0 Comment
  CAS-BOT-BC178805  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  UC164024  Astragalus californicus Geo. D. Butler 1910-5-5 1284 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC178809  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath R. canyon 1/2 mi. below Hamburg 457 Comment
  HSC14570  Astragalus lentiginosus D. M. Thomson 1965-6-12 81 Siskiyou Lava Beds National Monument, Hovey Point Comment
  CAS-BOT-BC187166  Astragalus lentiginosus var. floribundus Alice Eastwood; John Thomas Howell 1940-6-14 8271 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  SEINET3127347  Astragalus purshii var. tinctus G. C. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  POM45520  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug Creek Comment
  RSA293199  Astragalus purshii var. tinctus J. P. Smith 1973-5-5 6530 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC198706  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  UC1299231  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1948-7-7 2413 Siskiyou Scott Mountain Road summit to Callaghan (Callahan?) (North Coast Ranges); , Scott Mountain Road, summit to Callaghan 1249 Comment
  CAS-BOT-BC69536  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. 2590 Comment
  HSC76657  Athyrium distentifolium var. americanum K. T. Stillman 1976-7-22 294 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA237519  Athyrium filix-femina subsp. cyclosorum Frederick W. Oettinger 1966-8-7 44 Siskiyou Below the Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  UC637169  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1032 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River) 609 Comment
  CAS-BOT-BC170611  Atriplex trinervata Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  UC165278  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  CAS-BOT-BC106548  Balsamorhiza deltoidea L. E. Smith 1913-4-14 630 Siskiyou Iron Mountain Comment
  RSA692606  Balsamorhiza hookeri var. lagocephala D. W. Taylor 1996-6-18 15696 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1250 Comment
  HSC70596  Balsamorhiza sericea J. O. Sawyer, R. J. Cole 1981-7-2 4156 Siskiyou Near Scott Mountain Campground 1585 Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  HSC78189  Barbarea orthoceras L. P. Janeway 1983-7-10 396 Siskiyou Poker Flat 1524 Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  UC1191424  Bassia hyssopifolia Verne Grant and Irving Schneider 1947-8-25 8280 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  JEPS47704  Berberis aquifolium J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  JEPS47787  Berberis aquifolium var. repens I. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC75927  Berberis piperiana Carl B. Wolf 1934-7-5 5973 Siskiyou 7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1371 Comment
  CAS-BOT-BC75947  Berberis piperiana Alice Eastwood 1912-8-28 1959 Siskiyou Cantara. Comment
  UCD127249  Berula erecta T. F. O' Sullivan 1935-9-10 s.n. Siskiyou Dorris. Comment
  CAS-BOT-BC169402  Betula occidentalis William Adams Dayton 1913-9-14 17519 Siskiyou E Fork of Scott River Range, along Rail Creek. Shasta Forest 1249 Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  HSC68580  Betula occidentalis Maralyn A. Renner 1980-6-23 972 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS58658  Betula occidentalis W. L. Jepson 1914-8-13 5794 Siskiyou swamps Sisson 1097 Comment
  HSC42937  Bidens frondosa Ken Stillman 1976-8-24 437 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CAS-BOT-BC413072  Bistorta bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  HSC68981  Bistorta bistortoides Maralyn A. Renner 1980-7-24 2060 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC127944  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou east side of Scott Valley 914 Comment
  HSC46196  Blepharipappus scaber Jennifer Whipple 1977-4-30 1875 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC68068  Blepharipappus scaber J. P. Smith 1976-5-22 8793 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  HSC2224  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Siskyou Mtns.; Yreka Creek 1220 Comment
  JEPS40348  Blepharipappus scaber W. L. Jepson 1907-7-1 Siskiyou w Siskiyou Co. Comment
  POM215870  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  JEPS82690  Boechera Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs; Cabin Meadow 1935 Comment
  JEPS60252  Boechera breweri subsp. shastaensis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2319 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Raod, on n side of McCloud River arm of Lake Shasta) 487 Comment
  UCD77344  Boechera lyallii Robert E. Preston 2002-7-14 1933 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1981 Comment
  CAS-BOT-BC14135  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mile southeast of King's Castle. 1828 Comment
  CHSC71291  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1998-6-11 9179 Siskiyou Shasta NF plantation on the west side of hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UCD114422  Boechera pinetorum James Payne Smith Jr. 1976-5-21 8774 Siskiyou Klamath National Forest, Forest Road 40N08, 12.3 miles from its junction with State Route 3. 1219 Comment
  CAS-BOT-BC14665  Boechera rectissima Alice Eastwood 1912-7-19 1231 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC14672  Boechera rectissima R. E. Frenkel 1964-7-13 670 Siskiyou On shoulder of Everitt Memorial Highway. 1493 Comment
  CAS-BOT-BC25616  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53410 Siskiyou Fort Jones. 853 Comment
  JEPS53079  Boechera retrofracta Harley P. Chandler Jun 1901 1663 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC25623  Boechera retrofracta George Dexter Butler 1909-5-1 728 Siskiyou Near Yreka. Comment
  CAS-BOT-BC25793  Boechera stricta Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  SEINET5340463  Boechera stricta G. Butler 1900-7-8 1664 Siskiyou Shackleford Creek. 1219 Comment
  CAS-BOT-BC25937  Boechera suffrutescens Ira L. Wiggins 1955-7-27 13534 Siskiyou Salmon-Trinity Alps Primitive Area. Caribou Lake. 2042 Comment
  SBBG25883  Boykinia major D. Myrick 1966-8-8 1482 Siskiyou Lake Josephine, Mountain Meadow Ranch, Big Flat 1828 Comment
  RSA602826  Boykinia major Louis C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CAS-BOT-BC36692  Brassica rapa Alice Eastwood 1912-7-17 1168 Siskiyou Sisson. Comment
  RSA44888  Brickellia greenei J. C. Roos 1948-9-2 3975 Siskiyou 5 mi SW of Yreka. Comment
  POM147663  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Mount Eddy Comment
  UC635731  Brodiaea elegans subsp. elegans D. Tebbe 1929-7-15 135 Siskiyou White's Gulch Salmon Mts. Comment
  CAS-BOT-BC148799  Bromus carinatus var. marginatus William Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  CAS-BOT-BC148795  Bromus carinatus var. marginatus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mountain Hilt. Comment
  UCR208967  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12009 Siskiyou east side of a poor rock fence, c. 300 yards east of where cattle water in the Shasta River, about 2.5 miles (air) ESE of Grenada 775 Comment
  CAS-BOT-BC162473  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek & Klamath River. 502 Comment
  UC593531  Bromus laevipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1907 Siskiyou about 7 mi sw of Yreka (s of highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  POM115034  Bromus marginatus Geo D. Butler 1910-7-3 1622 Siskiyou Goose nest foothills 1220 Comment
  HSC778  Bromus orcuttianus William J. Ferlatte 1967-8-17 953 Siskiyou Yellow Rose Mine 1982 Comment
  UC909360  Bromus racemosus Ira L. Wiggins 1950-5-27 12354 Siskiyou East Fork of Scott River, Callahan, Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  HSC39661  Bromus vulgaris J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5728 Siskiyou 0.9 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  UCD60248  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  CAS-BOT-BC273226  Cacaliopsis nardosmia Lincoln Constance; Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath--Siskiyou Region. Klamath River 4 miles east of Seiad 457 Comment
  UC1265381  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou English Peak, N slope Western Siskiyou Co., Salmon Mountains, Marble Mountain Wild (Shasta Ridge) 2072 Comment
  HSC31105  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1172 Siskiyou Salmon Mountains, Tobacco Lake, upper meadow 1890 Comment
  HSC27138  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-27 4502 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC91977  Calamagrostis koelerioides Jennifer Whipple 1976-8-20 1717 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2470 Comment
  UCD57241  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  UCD57335  Calamagrostis koelerioides Beecher Crampton 1956-8-21 3825 Siskiyou the headwater of the south fork of the Sacramento River, 1/2 mile northeast of Gumboot Lake. 1767 Comment
  SEINET10900602  Calamagrostis koelerioides A. Arthur Heller 1915-8-26 Heller 12243 Siskiyou Open gravelly places, north side of Mt. Eddy. Douglas fir and white fir are the principal trees, Ceanothus, Quercus vaccinifolia and manzanita common shrubs. Comment
  UCD56963  Calamagrostis sesquiflora Peter Kamb 1949-8-25 1487 Siskiyou southwest slope of Mt. Shasta above Horse Camp. 2621 Comment
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Apr 1 2012
  JEPS42838  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou near Oro Fino Comment
  HSC69560  Calocedrus decurrens Maralyn A. Renner 1980-8-6 2289 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC77046  Calochortus coeruleus K. T. Stillman 1976-6-25 31 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  SEINET3885020  Calochortus coeruleus Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-25 727 Siskiyou Shasta National Forest. Deep Crater Area. Lava beds. Along Forest Service Road 42N22, from Main Forest Service Road 49-Powder Hill Road.; 0 1550 Comment
  RSA0000313  Calochortus elegans var. oreophilus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 mi. NE of Dry Lake Lookout, summit of Siskiyou Mountains. Comment
  CHSC2232  Calochortus nudus N. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC40545  Calochortus nudus J. D. Jokerst 1983-6-5 1819 Siskiyou Ca. 15 air miles east of McCloud. Comment
  RSA211389  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  JEPS105051  Calochortus persistens Dean W. Taylor 1996-7-7 15800 Siskiyou Gunsight Peak (about 5 air miles northwest of Yreka); Klamath National Forest 1859 Comment
  SEINET8223993  Calochortus persistens Frank Callahan 2007-6-15 Siskiyou northeast flank of Cottonwood Peak, below road at marked point. 1607 Comment
  CAS-BOT-BC494019  Calochortus tolmiei Clarence Quick 1959-6-19 59 -09 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  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
  JEPS84229  Caltha biflora L. R. Heckard with J. Hickman 1986-7-16 6443 Siskiyou Lily Pad Lake, SE of Red Butte, ca 5 mi N of the town Seiad Valley. 1770 Comment
  RSA0120933  Caltha biflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63385 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC49832  Caltha leptosepala Maralyn O'Meara 1973-6-5 194 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC77039  Caltha leptosepala K. T. Stillman 1976-6-18 22 Siskiyou Marble Mountain Wilderness Area, Skyhigh Lakes 1707 Comment
  HSC96425  Caltha leptosepala Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 494 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC181518  Caltha leptosepala Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC273391  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  LA203132  Calycadenia truncata Louis C. Wheeler; 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  RSA381905  Calypso bulbosa J. P. Smith 1973-5-5 6468 Siskiyou Along Cook and Green Pass road. Comment
  SBBG51815  Calyptridium monospermum R. N. Philbrick 1976-7-2 Siskiyou S side of Sugar Lake, Klamath Nat Forest 1828 Comment
  UC528036  Calyptridium umbellatum Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  UC163724  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou 2 mi ne of Mount Shasta (Goosenest Foothills); Goosenest Foothills Comment
  HSC64821  Camelina microcarpa J. P. Smith 1976-5-4 8662 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  UC873944  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek Siskiyou Mts. 853 Comment
  CAS-BOT-BC160897  Camissonia tanacetifolia subsp. tanacetifolia Lewis S. Rose 1936-7-28 36701 A Siskiyou Mt. Hebron 1297 Comment
  RSA72212  Camissonia tanacetifolia subsp. tanacetifolia F. W. Peirson 1923-7-19 3794 Siskiyou Open tableland north of Bray Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  SEINET10463086  Campanula prenanthoides Kildale 1928-7-3 KILDALE 5442 Siskiyou Little North Fork of Salmon River near mouth Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10938999  Campanula prenanthoides James D. Culbertson 1943-8-1 Culbertson 42 Siskiyou CASTLE LAKE, 14 MI SW MT SHASTA, N SIDE E SPUR TRINITY MTS 5434', N FACING CIRCUE W/ ABRUPT 1000' BACKWALL 1656 Comment
  UC890554  Campanula rotundifolia John Thomas Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  POM255804  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10463678  Campanula scouleri Brown 1897-6-11 Brown 398 Siskiyou N. SIDE MT. SHASTA 1524 Comment
  SEINET10872983  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  SEINET10905942  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou NIXON'S CAMP, MT. SHASTA 671 Comment
  SEINET10972077  Campanula scouleri Hemphill 1970-8-11 HEMPHILL s.n. Siskiyou SANGER LAKE MONTANE FOREST 1524 Comment
  CAS-BOT-BC266461  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Valley Creek meadows Comment
  SEINET10463870  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou E slope of Mt. Shasta on Ash Creek. Comment
  SEINET10463889  Campanula wilkinsiana Ferlatte 1966-8-19 FERLATTE 446 Siskiyou KIDD CREEK TRAIL, STREAM BANK DENSELY WOODED CANYON. T37N R9W SEC.32 1676 Comment
  CAS-BOT-BC37193  Capsella bursa-pastoris Doris K. Kildale 1929-5-31 9166 Siskiyou Cecilville. South Fork Salmon River. Comment
  CDA24745  Capsella bursa-pastoris G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2580 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  CAS-BOT-BC37747  Cardamine californica L. E. Smith 1915-4-25 13272 Siskiyou Sisson. Comment
  CAS-BOT-BC18391  Carex John Thomas Howell 1939-8-3 14963 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  SEINET10644476  Carex A. Arthur Heller 1920-6-20 Heller 13390 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Shrubs are willow, Corylus, & Ceanothus. 1158 Comment
  CAS-BOT-BC19769  Carex abrupta John Thomas Howell 1939-8-8 15190 Siskiyou Marble Mountains. Black Mountain. Comment
  RSA237310  Carex abrupta Frederick W. Oettinger 1968-9-5 727 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA237313  Carex abrupta Frederick W. Oettinger 1968-8-11 485 Siskiyou Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC17862  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  HSC61818  Carex aquatilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC18128  Carex athrostachya D. E. Breedlove 1962-6-10 3320 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad. 411 Comment
  CAS-BOT-BC18134  Carex athrostachya Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  SEINET8258306  Carex aurea Elmer I. Applegate 1895-5-28 779 Siskiyou Sisson, Strawberry Valley, Siskiyou County Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC40185  Carex bolanderi L. P. Janeway 1982-8-21 168 Siskiyou SE-facing slope near a trickly-creeklet in Twin Valley. 1584 Comment
  CAS-BOT-BC19659  Carex brainerdii John Thomas Howell 1937-7-26 13555 Siskiyou Caribou Gulch. Comment
  UC1265324  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou above English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  CAS-BOT-BC34161  Carex breweri William Bridge Cooke 1938-8-18 11498 Siskiyou Mt. Shasta. 2499 Comment
  HSC86451  Carex breweri D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2591 Comment
  UC618743  Carex breweri W. Bridge Cooke 1938-8-18 11498 Siskiyou Horse Camp Slopes Mount Shasta 2514 Comment
  HSC85706  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UCD77468  Carex fracta Robert E. Preston 2003-7-29 2167 Siskiyou Rainbow Mountain 1785 Comment
  JEPS128455  Carex geyeri Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -056 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC20467  Carex halliana Elmer I. Applegate 1923-8-18 3880 Siskiyou Medicine Lake. Comment
  UCD77474  Carex heteroneura Robert E. Preston 2001-6-30 1667 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1853 Comment
  JEPS102967  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road 1347 Comment
  SEINET10916797  Carex interior A. Arthur Heller 1920-7-6 Heller 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in te forest. 1158 Comment
  HSC39374  Carex jonesii J. O. Sawyer 1968-7-10 510 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC505  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UC630392  Carex lenticularis var. impressa Annetta Carter 1939-8-20 1461 Siskiyou 12 mi sw Etna (nw side of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  CAS-BOT-BC28429  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC28430  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC39282  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-12 1350 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC96550  Carex luzulina Gordon Leppig, J. Kalt 1996-7-9 354 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC31628  Carex luzulina var. ablata Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC31634  Carex luzulina var. ablata R. Tallent 1987-8-16 943 Siskiyou Mt. Shasta area. Panther Meadows Trailhead area. 2219 Comment
  CAS-BOT-BC31674  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 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
  HSC76389  Carex mendocinensis L. P. Janeway 1982-6-22 19 Siskiyou 400 m NE of West Branch Guard Station along the road into Indian Creek, near small creek crossing 671 Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  JEPS25658  Carex mertensii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7301 Siskiyou 4 air-line mi n-ne of Preston Peak (just e of Del Norte County line, in Twin Valley, Siskiyou Mountains, watershed of Indian Creek); Siskiyou Mountains, Twin Valley 1493 Comment
  UCD140645  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC593523  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1927 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC32008  Carex multicaulis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road south of Callahan. Comment
  SEINET10883334  Carex multicaulis David Castaner 1989-6-19 Castaner 10243 Siskiyou Trinity Creek campground. Along highway 3 by Trinity River. North Trinity Center. Comment
  SEINET7568458 Image available Carex multicaulis E. B. Copeland 1903-8-15 3780 Siskiyou Mt. Shasta. 2134 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  CAS-BOT-BC119898  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou In wet place in abandoned roadway near the Municipal Spring above Howard. 1280 Comment
  CAS-BOT-BC119903  Carex nebrascensis James D. Jokerst 1983-7-5 1828 Siskiyou N edge of Atkin's Meadow near its ecotone with lodgepole pine forest. Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCR40057  Carex nudata L. P. Janeway 1983-6-25 441 Siskiyou West side of Klamath River just north of Ferry Point 290 Comment
  CAS-BOT-BC119207  Carex pachystachya John Thomas Howell 1937-7-24 13433 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC48072  Carex pachystachya L. P. Janeway 1983-6-25 327 Siskiyou Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. 670 Comment
  HSC76655  Carex pachystachya K. T. Stillman 1976-7-23 296 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC79087  Carex pachystachya L. P. Janeway 1983-8-26 618 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 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
  CAS-BOT-BC118783  Carex preslii Fred D. Douthitt 1923-7-13 1 Siskiyou Dry Lake Mt. 2133 Comment
  CHSC43993  Carex rossii L. P. Janeway 1983-8-7 525 Siskiyou Along S. Fk. Indian Cr. Rd (17N32) ca 17 miles from Indian Cr. Rd. 1402 Comment
  CHSC71607  Carex scabriuscula Vernon H. Oswald 1998-8-3 9442 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
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  HSC76824  Carex scabriuscula L. P. Janeway 1982-8-14 136 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC91194  Carex scabriuscula Jennifer Whipple 1977-7-21 2017 Siskiyou Near Durney Lake 2073 Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  CAS-BOT-BC117237  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou Small spring on W side of wide dray above Panther Creek Meadows. 2743 Comment
  HSC30658  Carex spectabilis Frederick W. Oettinger 1968-9-8 731 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Lake 2012 Comment
  UC1371  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mount Shasta 2133 Comment
  RSA780398  Carex straminiformis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S Slope of Mt. Shasta, [along] streamlet originating as overflow from large water tank above ski-lodge 2317 Comment
  JEPS63767  Carex subbracteata Mrs. M. H. Goldsmith 1916-8-6 13 Siskiyou Sisson Comment
  CAS-BOT-BC115857  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115862  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou Beside Cold Creek at the Military Road crossing ca 6 mi NW of Pilgrim Creek Experiment Station, Comment
  JEPS121616  Carex utriculata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Abundant in flat fen, over gabbro. China Mountain quadrangle. CLB_A Comment
  HSC86443  Carex vernacula D. K. Imper Jun 1987 Siskiyou 8 mi. E of Mt. Shasta town, Mt. Shasta Wilderness, along Squaw Creek 2134 Comment
  CAS-BOT-BC115167  Carex vesicaria A. A. Heller 1922-7-15 s.n. Siskiyou In moist meadows about Medicine Lake 2133 Comment
  HSC30550  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Marble Mtn. Wilderness Area, N shoreline of Horse Range Lake 1822 Comment
  CAS-BOT-BC59704  Cassiope mertensiana Doris K. Kildale 1929-7-20 8582 Siskiyou E. spur of Preston Peak above Rockefeller Lake. 2133 Comment
  CAS-BOT-BC59702  Cassiope mertensiana W. R. Dudley 1901-8-24 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  HSC30458  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Little Hancock Lake 2043 Comment
  RSA466945B  Cassiope mertensiana subsp. ciliolata L. C. Wheeler 1934-8-17 3178 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  HSC76906  Castilleja applegatei subsp. pallida K. T. Stillman 1976-9-10 502 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  HSC20503  Castilleja applegatei subsp. pinetorum R. C. Wunner 1965-6-7 109 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS16795  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins and C. Leroy Custer 1954-8-13 4796 Siskiyou 2.5 mi s and above Callahan to Carrville road junction with Gazelle road (lower part of grade over Scott Mtn. (road from Callahan to Carrville)); Scott Mtn. 1371 Comment
  JEPS6838  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-25 4540 Siskiyou about 8 mi e Cecilville (along Rush Creek, below Rush Creek Meadow); Salmon-Trinity Mts. Boundary, Rush Creek 1676 Comment
  CAS-BOT-BC243759  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou Caldwell Butte, Lave Beds Natjional Monument Comment
  CAS-BOT-BC243755  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-6 5229 Siskiyou Peak above and north of Divide of Siskiyou Mts., California on Takilma-Happy Camp Road 1828 Comment
  JEPS23707  Castilleja arachnoidea Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7184 Siskiyou just e Mt. Shast Ski Bowl Lodge (at upper end of Everett Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  JEPS84184  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UC705755  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-4 2190 Siskiyou ridge above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  CAS-BOT-BC33680  Castilleja arachnoidea George Dexter Butler 1908-8-6 422 Siskiyou Summit between Marble Valley and West Fork of Wooly Creek Comment
  RSA153437  Castilleja arachnoidea L. T. Dempster, Clare B. Hardham 1961-7-1 1842 Siskiyou Along ridge from Condry Peak to White Mtn., about 1.5 mi. e. of White Mtn. Siskiyou Mountains; watershed between Dutch Creek (Applegate River) and Horse Creek (Klamath River). 1890 Comment
  UC454803  Castilleja lacera I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  UC796539  Castilleja lacera Roxana S. Ferris and Laura Lorraine 1948-6 11787 Siskiyou s of Callahan (Scott Mountain Road) Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC168  Castilleja miniata William J. Ferlatte 1966-8-2 232 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA183685  Castilleja miniata Gilbert Muth 1965-7-29 136 Siskiyou Marble Mts. In meadow below Marble rim Comment
  CAS-BOT-BC254020  Castilleja miniata Doris K. Kildale 1928-8-20 6637 Siskiyou Head of north fork of Salmon River at Finley's Apple Camp 1524 Comment
  RSA183418  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  CAS-BOT-BC32556  Castilleja muscipula John Thomas Howell 1939-8-4 15060 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  JEPS28174  Castilleja pilosa A. A. Heller 1938-7-12 15261 Siskiyou near Deer Mountain eastern base (on U.S. Hwy 97) 1371 Comment
  JEPS3176  Castilleja pruinosa Geo. D. Butler 1908-6-29 425 Siskiyou Cherry Creek Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  UC164436  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  JEPS84188  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 0.5 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass, e of road) 1730 Comment
  UC722590  Castilleja schizotricha C. L. Hitchcock and J. S. Martin 1939-7-9 5330 Siskiyou 0.5 mi se King's Castle; Marble Mts. 1828 Comment
  HSC103023  Catalpa bignonioides J. P. Smith 2014-6-6 13880 Siskiyou Seiad Valley 417 Comment
  JEPS42356  Ceanothus cordulatus Willis L. Jepson July 1894 14010 Siskiyou near Mt. Shasta (Sisson) Comment
  UC338006  Ceanothus cordulatus Lemmon 1889-6-28 Siskiyou near Mt. Eddy; Shasta region 1828 Comment
  POM85997  Ceanothus cuneatus Geo. D. Butler 1910-5-28 1418 Siskiyou Yreka Comment
  CAS-BOT-BC50951  Ceanothus integerrimus Lewis S. Rose 1945-6-18 45061 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS86081  Ceanothus integerrimus Wayne Roderick 1966-6-26 Siskiyou Seiad Valley to Cook & Green Pass Comment
  RSA240090  Ceanothus integerrimus Frederick W. Oettinger 1969-8-25 1550 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UCD111994  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Siskiyou Along Highway 89, 0.5 mile east of South Mount Shasta Blvd., south of Mount Shasta. 1066 Comment
  CHSC8580  Ceanothus integerrimus var. californicus G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles N.E. of Callahan. 822 Comment
  CAS-BOT-BC53100  Ceanothus prostratus Doris K. Kildale; J. W. Gillespie 1929-6-22 8037 Siskiyou Mt. Shasta - Black Butte Comment
  HSC36947  Ceanothus prostratus J. P. Smith 1974-5-26 7587 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UCSB24688  Ceanothus prostratus Favere, R. 1968-4-21 Siskiyou on flat at foot of Black Butte; On old US 99, 3 miles north of Mount Shasta City; Scott Mountains. 1371 Comment
  SD249278  Ceanothus sanguineus David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains, Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UCR131602  Ceanothus sanguineus L. C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mtns., Sterling Mine, Bullion Mtn. 1280 Comment
  RSA463117  Ceanothus velutinus S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  UC1034042  Ceanothus velutinus W. Bridge Cooke 1941-8-21 16214 Siskiyou n side Diller Canyon (Mt. Shasta, w side of Shastina); Mt. Shasta, w side of Shastina Comment
  UCD112842  Ceanothus velutinus J. M. Tucker; L. K. Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. 1524 Comment
  OBI56382  Centaurea diffusa Paul McCanna 1999-7-20 PDR 1128385 Siskiyou Vicinity of Yreka. T45N, R7w, Sect 21 BM: M Comment
  CDA7268  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  SEINET13331149 Image available Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adjacent lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi. S. of Mugginsville Comment
  JEPS117463  Centaurea solstitialis Lowell Ahart, John Dittes 2010-7-30 16947 Siskiyou About 200 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC141206  Centaurium muehlenbergii Copeland 1903-7-14 3513 Siskiyou Klamathon Comment
  UC189123  Centaurium muehlenbergii Edward Lee Greene Jul 1876 Siskiyou Yreka Comment
  UC922390  Cerastium arvense Annie M. Alexander and Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1767 Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  CAS-BOT-BC388165  Cerastium fontanum Henry M. Pollard 1947-8-22 s.n. Siskiyou Fontana's Fishing Lodge north of Somes Bar Comment
  UC15101 Image available Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  LA47766  Cercocarpus betuloides var. macrourus Louis C. Wheeler; 1934-7-12 2901 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  UC165742  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-5-4 1274 Siskiyou near Yreka Comment
  HSC36766  Cercocarpus montanus var. glaber J. P. Smith 1974-5-25 7399 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  CAS-BOT-BC276775  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  CAS-BOT-BC106043  Chaenactis suffrutescens A. A. Heller 1922-6-22 13671 Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  JEPS52290  Chaenactis suffrutescens Wayne Roderick 1966-6-26 Siskiyou 6 mi from either Fort Jones or Etna (in Scott Valley); Scotts Valley 853 Comment
  UC193158  Chaenactis suffrutescens M. K. Curran 1887-6-1 Siskiyou Edgewood Comment
  HSC43153  Chamaesyce glyptosperma Ken Stillman 1976-8-24 430 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UC334091  Chamaesyce glyptosperma Lemmon Siskiyou near Shasta; Northern Claifornia Comment
  CDA35239  Chamaesyce glyptosperma D. H. Shaw Jul 1977 Siskiyou Near Dorris. 0 Comment
  RSA432492B  Chamaesyce serpillifolia L. C. Wheeler 1935-7-13 3659 Siskiyou Ager. 793 Comment
  RSA572328  Chamaesyce serpillifolia W. Bridge Cooke 1940-7-12 15332 Siskiyou Along the Memorial Highway. 1372 Comment
  CDA30924  Chamaesyce serpillifolia subsp. serpillifolia M. Beyers, G. F. Hrusa 2010-8-18 705 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  CAS-BOT-BC165981  Chamerion angustifolium L. R. Short 1933-8-7 114 Siskiyou Klamath National Forest. Marble Mts. 1798 Comment
  JEPS43908  Chamerion angustifolium subsp. circumvagum Geo. D. Butler 1908-8-2 158 Siskiyou Bottom's Camp Shackelford Creek 1219 Comment
  UC454600  Chamerion angustifolium subsp. circumvagum I. J. Condit 1911-7-3 Siskiyou along river Sacramento River, Shasta Retreat Comment
  CAS-BOT-BC68206  Cheilanthes gracillima Mrs. H. C. Cantelow 1936-5-20 1379 Siskiyou Summit of Salmon Mt. 1818 Comment
  HSC19022  Cheilanthes gracillima J. O. Sawyer 1969-7-10 1303 Siskiyou SE facing slope above South Sugar Lake 2165 Comment
  CAS-BOT-BC68214  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains - Head Jaynes Canyon - Mt. Diablo Mer. 2072 Comment
  CAS-BOT-BC68220  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk. Mt. Comment
  CAS-BOT-BC68240  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mts. - Head Jaynes Canyon - Mt. Dieablo Mer. 2072 Comment
  RSA685758  Cheilanthes gracillima May N. Ackley 1932-07 51 Siskiyou Casile Lake Comment
  RSA760928  Cheilanthes gracillima R. F. Thorne, Frederick W. Oettinger 1969-8-4 63382 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  JEPS59738  Chenopodium botrys W. L. Jepson 1914-8-9 5742 Siskiyou McCloud 1036 Comment
  CDA3019  Chenopodium chenopodioides R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC4389  Chenopodium leptophyllum R. C. Wunner 1965-6-30 316 Siskiyou Lava Beds National Monument, at start of Symbol Bridge Trail. 1387 Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  UCR222516  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  HSC96818  Chimaphila umbellata S. Lyon, J. McIntire 2006-6-25 22 Siskiyou On FS Rd. 39N35, 0.26 mi. SE of intersection with FS Rd. 39N27 1341 Comment
  SD73153  Chimaphila umbellata Darley F. Howe 1969-8-30 Siskiyou North Fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  UC21653  Chimaphila umbellata C. B. Bradley 1879-1 Siskiyou Comment
  UC722298  Chimaphila umbellata C. L. Hitchcock and J. S. Martin 1939-7-8 5300 Siskiyou ca. 15 mi. n. Happy Camp (on Happy Camp-Takilma Hwy.) 914 Comment
  SEINET12057288  Chlorogalum pomeridianum F. H. Utech 1978-7-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CDA3727  Chorispora tenella F. Wallier 1961-5-16 Siskiyou 1 mile northwest of Gazelle. 0 Comment
  HSC27629  Chrysolepis chrysophylla Carl W. Mize 1972-6-22 90 Siskiyou In a draw past cut block #48 1113 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  UC199532  Chrysolepis sempervirens Annie M. Alexander and L. Kellogg 1911-6-16 149 Siskiyou Jackson Lake Comment
  UC5453  Chrysolepis sempervirens Milo S. Baker 1893-6 Siskiyou Squaw Valley Mt. Mt. Shasta (s base of Mt Shasta) Comment
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Aug 25 2006
  RSA238760  Chrysothamnus nauseosus subsp. albicaulis Frederick W. Oettinger 1968-8-16 533 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
  CAS-BOT-BC100854  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer I. Applegate 1935-8-3 10001 Siskiyou Lyons Road, north boundary of Lava Beds National Monument Comment
  SEINET8734907 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-1 41427 Siskiyou Dorris 1307 Comment
  SD61049  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1964-8-5 Siskiyou 8.2 miles south of Dorris on Highway 97. 1280 Comment
  UC106567  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  CDA38293  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  SEINET8497824  Cinna latifolia D. W. Taylor 2006-8-8 19590 Siskiyou Dry Creek Peak (ridge ca. 12 air miles Northeast of Mt. Shasta summit) at headwaters Antelope Creek 2195 Comment
  RSA264971  Circaea alpina subsp. pacifica G. L. Clifton 1975-7-28 7199 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  UC454590  Circaea alpina subsp. pacifica I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake 1828 Comment
  CDA1181  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CHSC62425  Cirsium cymosum B. McAlexander 1993-7-7 Siskiyou Little Shasta Valley located E of Montague, N of Steamboat Mt. and S of Little Shasta River. 731 Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  HSC40242  Cirsium occidentale var. candidissimum J. P. Smith 1976-5-5 8701 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  CAS-BOT-BC285573  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-24 510 Siskiyou Yreka Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  OBI54136  Cirsium occidentale var. candidissimum David J. Keil, Kathleen Keil 1992-7-24 23558 Siskiyou 2.8 mi NE of Hwy 3 on Gazelle-Callahan rd Comment
  JEPS81662  Cirsium occidentale var. venustum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2316 Siskiyou Northern side of McCloud arms of Shasta Lake (15 mi from hwy 99 along Gilman Road) 487 Comment
  CAS-BOT-BC288775  Cirsium remotifolium Geo. D. Butler 1908-8-4 335 Siskiyou W Fork of Wooley Creek Comment
  CAS-BOT-BC288779  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 8 miles from Sawyer's Bar on road to Cecilville 792 Comment
  CAS-BOT-BC286476  Cirsium scariosum Peter H. Raven 1956-9-4 10404 Siskiyou South side of Mt. Eddy 2682 Comment
  UC165433  Cirsium vulgare Geo. D. Butler 1908-8-17 505 Siskiyou near Yreka Comment
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Apr 20 2009
  UCR93350  Clarkia Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  UC1949050  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Thomas J. Delendick 1987-5-17 6972 Siskiyou W side Rt. 3 N of Callahan, 1.7 mi N of S Fk Scott River bridge Comment
  HSC16270  Clarkia rhomboidea R. C. Wunner 1965-6-29 296 Siskiyou Lava Beds N. M., 0.25 mi. NW of Lower Caldwell Ice Cave 1433 Comment
  POM42677  Clarkia rhomboidea W. Bridge Cooke 1940-7-5 15221 Siskiyou Mount Shasta: along a lane near Howard. 1220 Comment
  RSA448345  Clarkia rhomboidea Louis C. Wheeler 1934-6-2 2611 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  RSA0059500  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC1046531  Claytonia cordifolia R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3443 Siskiyou Takilma-Happy Camp road; exactly at Oregon-California State line 1432 Comment
  HSC37545  Claytonia exigua subsp. exigua J. P. Smith 1974-5-27 7608 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS80486  Claytonia palustris W. B. and V. G. Cooke 1923-5-23 56458 A Siskiyou Bear Springs; Mt. Shasta Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
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Sep 27 2006
  UC165441  Claytonia parviflora subsp. parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou near Yreka Comment
  HSC64413  Claytonia perfoliata J. P. Smith 1973-5-5 6411 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC64315  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6507 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC88107  Claytonia rubra subsp. depressa Jenny Marr 1993-7-1 117 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC144454  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou between Dunsmuir and Upper Soda Springs (not far from the railroad) Comment
  UC726464  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou near Durney's Mill Comment
  HSC76978  Claytonia sibirica K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  UCR26232  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou high ridge SW of Etna Comment
  RSA211262  Claytonia sibirica William J. Ferlatte 1966-6-23 144 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  RSA386277  Clematis ligusticifolia Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UC61083  Clematis ligusticifolia W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mt. Shasta, Sisson Comment
  CAS-BOT-BC500966  Clintonia uniflora Dorothy Parker 1950-6-25 462 Siskiyou Duck Lake Creek Salmon Mountain 1524 Comment
  RSA377071  Clintonia uniflora M. B. Dunkle 1944-7-3 9065 Siskiyou Siskiyou National Forest. Comment
  UCD13225  Clintonia uniflora Clyde Byfield 1973-7-2 S 219 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23, 41 deg 30 min N, 123 deg 07 min. 1524 Comment
  CDA7435  Cnicus benedictus C. S. Giebner 1965-9-2 Siskiyou Carl Black property, Scott Valley. 0 Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  HSC68488  Collinsia rattanii Maralyn A. Renner 1980-6-9 843 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  SEINET3159394  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain 1219 Comment
  UC672466  Collinsia rattanii H. L. Mason 1929-5-18 5328 Siskiyou land s of Weed (hills along Shasta Creek Canyon); Shasta Creek Canyon Comment
  HSC29394  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake 1997 Comment
  JEPS6172  Collinsia rattanii Geo. D. Butler 1909-5-30 758 Siskiyou Hamburg rd from Yreka Comment
  UC195221  Collinsia torreyi var. latifolia Annie M. Alexander and Louise Kellogg 1911-7-16 253 Siskiyou South Fork Salmon River 914 Comment
  CHSC1227  Collomia grandiflora W. Gorsuch 1935-7-2 Siskiyou Spring Hill near Mt. Shasta City. 1158 Comment
  CHSC86642  Collomia grandiflora Jenny Marr 1993-7-1 25 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS93874  Collomia grandiflora Vernon H. Oswald and Lowell Ahart 1998-7-21 9317 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road (ne of Weed, Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC1299509  Collomia grandiflora Freed W. Hoffman 1948-7-7 2408 Siskiyou Callahan Comment
  UC637122  Collomia grandiflora Edward Lee 1934-8-14 1110 Siskiyou w-facing rocky slope below summit (Siskiyou-Del Norte County line); Little Grayback 1767 Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  HSC45975  Collomia tinctoria J. P. Smith, Steve Selva 1970-6-15 3954 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UCR80251  Collomia tinctoria L. C. Wheeler 1934-6-7 2652 Siskiyou Siskiyou Mountains, Dry open summit at Hungry Creek Lookout, Mt. Diablo Mer 1502 Comment
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC60958  Collomia tinctoria Ruby Van Deventer 14 Jun [year missing] Siskiyou Chicago Peak Comment
  UC224205  Convolvulus arvensis H. E. Brown Jun 11 1897-Jun 16 1897 409 Siskiyou Mt. Shasta; n side 1524 Comment
  UC673558  Corallorhiza maculata Dorothy Tebbe 1929-7-14 115 Siskiyou Mount Eddy Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  RSA381993  Corallorhiza maculata M. B. Dunkle 1944-8-25 9171 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  UC1177929  Corallorhiza maculata Francia Chisaki and Gene B. Newcomb 1958-6-21 1146 Siskiyou on Everitt Hill road 3.5 mi e junction with Highway 99 & 89; Everitt Hill 1447 Comment
  UC1409486  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (woods across meadow from base camp, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  HSC58885  Cordylanthus pilosus subsp. pilosus Marvin Butler 1971-8-11 310 Siskiyou Near Younga Valley 1403 Comment
  UCD123148  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-2 16186 Siskiyou road to trailhead for Black Butte trail. 1333 Comment
  CHSC105584  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16191 Siskiyou Shasta-Trinity National Forest, along road 40N26 west of Lake Siskiyou, on north side of road; Lat. and Long. indicated +/- 52 feet. 1198 Comment
  SBBG100088  Cordylanthus tenuis subsp. viscidus G. T. Robbins, C. L. Custer 1954-8-13 4795 Siskiyou lower part of grade over Scott Mtn, on rd from Callahan to Carrville, 1.2 mi above (and S of) jct with Gazelle Rd 1097 Comment
  UC1045280  Cornus glabrata W. Bridge Cooke 1940-6-20 15171 Siskiyou Klamath R. near Pacific Hwy. below Hornbrook; Klamath R. Comment
  UC166604  Cornus glabrata Geo. D. Butler 1908-8-7 84 Siskiyou bank of Lake at head of W. Fork Woolly Creek Comment
  CDA38549  Cornus glabrata T. R. Haig & F. D. Horn 1981-6-16 s.n. Siskiyou Robertson Ranch, Callahan Road, Gazelle. 0 Comment
  CAS-BOT-BC210391  Cornus sericea Edward Lee 1934-8-13 1072 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1371 Comment
  HSC29143  Cornus sericea subsp. sericea Frederick W. Oettinger 1969-7-18 1058 Siskiyou Marble Mtn. Wilderness Area, outlet of upper English Lake. 1768 Comment
  JEPS50179  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-7 84 Siskiyou border of lake at head of Wooly Creek 1676 Comment
  CAS-BOT-BC210527  Cornus sessilis Doris K. Kildale 1928-7-3 5439 Siskiyou Little North Fork Salmon River Comment
  HSC31544  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  RSA481445  Corylus cornuta var. californica M. B. Dunkle 1944-6-25 9010 Siskiyou Siskiyou National Forest. 1677 Comment
  CDA25823  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Highway 3 on Lighthill Road south of Fort Jones. 0 Comment
  JEPS19781  Crepis acuminata Rimo Bacigalupi with S. Galen Smith 1957-6-26 5943 Siskiyou along road to Gumboot Lake about 11 mi sw Mt. Shasta town; Scott Camp Ridge 1219 Comment
  JEPS107477  Crepis bakeri Lowell Ahart, John Dittes 2005-6-9 12028 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
  HSC37547  Crepis monticola J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  UC581273  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2437 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  HSC65134  Croton setiger J. P. Smith, Steve Selva 1970-7-17 4416 Siskiyou Along Klamath River. Comment
  HSC74831  Crypsis schoenoides J. P. Smith, J. O. Sawyer 1978-7-3 10000 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS87643  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  CHSC86661  Cryptantha intermedia Jenny Marr 1993-7-1 44 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM213851  Cryptantha intermedia Isabelle C. Kimber 1934-6-9 27 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
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Feb 3 2011
  CAS-BOT-BC94404  Cryptantha torreyana R. C. Wenk 2005-7-15 203 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  POM72150  Cryptantha torreyana Geo. D. Butler 1909-5-30 762 Siskiyou Near Yreka. Comment
  HSC375  Cryptogramma acrostichoides William J. Ferlatte 1966-6-22 118 Siskiyou Josephine Lake Basin 1677 Comment
  HSC99674  Cryptogramma acrostichoides Al Hobart Jul 1964 Siskiyou FS Rd. 17N04, Doe Flat, Buck Lake 1535 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
  UC42455  Cryptogramma cascadensis W. H. Brewer 1862-9-13 1394 Siskiyou Mt Shasta 2438 Comment
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Sep 12 2011
  UCD78125  Cryptogramma cascadensis Robert E. Preston 2001-6-23 1579 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CAS-BOT-BC80543  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green Region 1219 Comment
  CAS-BOT-BC80550  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-9 6170 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3.4 mi. above forks of creek 1158 Comment
  RSA256700  Cupressus bakeri J. P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  RSA40901  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC650667  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1432 Comment
  NY16598  Cupressus bakeri G. Schoolcraft 1983-9-14 1153 Siskiyou About 3 miles north of Timbered Crater 1097.3 Comment
  UC164125  Cuscuta californica Geo. D. Butler 1908-8-9 15 Siskiyou summit above Cold Spring; Wooley Creek Comment
  UC164127  Cuscuta epithymum Geo. D. Butler 1908-7-10 1015 Siskiyou near Yreka Comment
  RSA12491  Cuscuta suksdorfii var. subpedicellata C. B. Wolf 1934-7-4 5946 Siskiyou 6 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  JEPS87640  Cynoglossum officinale Vernon H. Oswald and Lowell Ahart 1994-8-10 6458 Siskiyou ca. 4 mi.(air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS 15)); Bartle Creek, Stillwater Meadows 1359 Comment
  CHSC71508  Cyperus squarrosus Vernon H. Oswald; Lowell Ahart 1998-7-21 9338 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC66260  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  HSC363  Cystopteris fragilis William J. Ferlatte 1967-7-9 699 Siskiyou Kidd Creek Trail 1677 Comment
  UC1478233  Cystopteris fragilis G. D. Barbe, J. T. Howell, and T. C. Fuller 1980-4-29 2637 Siskiyou 3.2 km e of Callahan (ca. 150 m e of Highway 3 bridge, beside Callahan/Gazelle Rd) 976 Comment
  CAS-BOT-BC70713  Cystopteris fragilis Ira L. Wiggins 1955-7-26 13514 Siskiyou banks of So. Fork fo Salmon R just above mouth of Blind Horse Creek 886 Comment
  UCSB15125  Cystopteris fragilis 1962-6-11 Siskiyou About 20 miles west of Fort James; Marble Mountains 914 Comment
  CAS-BOT-BC192253  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Klamath National Forest, Little Smoky Cr. 1280 Comment
  RSA238378  Danthonia californica var. americana Frederick W. Oettinger 1969-8-14 1372 Siskiyou English Lake Campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD61357  Danthonia unispicata L. Whitney 1935-7-15 3482 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UC1112870  Danthonia unispicata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mts. Comment
  CAS-BOT-BC76228  Darlingtonia californica W. H. Brewer 1862-9-8 1356 Siskiyou In the valley of the Upper Sacramento near 'Jim Southern's' about 30 miles south of Mount Shasta. Comment
  CAS-BOT-BC76234  Darlingtonia californica L. E. Smith 1913-7-4 81908 Siskiyou Castle Lake. Comment
  CAS-BOT-BC76248  Darlingtonia californica H. M. Hall; E. B. Babcock 1903-6-1 3400 Siskiyou Sierra Nevada Mountains. Mount Shasta. 18th Crossing Sacramento River, near Sisson. Comment
  SEINET12007447  Darlingtonia californica H. M. Hall, Babcock, E. B. 4042 Siskiyou Sierra Nevada Mountains, 18th crossing Sacramento River, near Sisson, Transition Zone, Mt. Shasta Comment
  POM266003  Darmera peltata Lincoln Constance, Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Protugese Creek. 4 miles E of Thompson Creek. 457 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  UCR142701  Datura stramonium L. C. Wheeler 1934-10-28 3350 Siskiyou Yreka 823 Comment
  HSC43141  Daucus carota K. T. Stillman 1976-8-24 418 Siskiyou Slopes on E and N sides of Williams Point 366 Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  UC1125923  Delphinium andersonii M. H. Mitchell 1936-5-9 11 Siskiyou se slope Schonchin Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  UC563968  Delphinium andersonii Elmer I. Applegate 1935-6-2 9282 Siskiyou w base Sconchin Butte; Lava Beds National Monument Comment
  CAS-BOT-BC8951  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 1391 Siskiyou Summit of Salmon Mtn. 1818 Comment
  CAS-BOT-BC8971  Delphinium depauperatum Elmer Ivan Applegate 1923-8-17 3840 Siskiyou Medicine Lake Comment
  UC165948  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou dry hills near Yreka Comment
  POM149888  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  SJSU6056  Delphinium nuttallianum R. W. Trivelpiece 1971-6-16 36 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  JEPS23390  Delphinium nuttallianum Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station (really D. L. Lookout) Siskiyou Mts., Klamath Nat. Forest (top of slope above snowbanks, n of and above Horse Creek P.O. on the Klamath River) 2062 Comment
  JEPS83989  Deschampsia cespitosa subsp. cespitosa L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6358 a Siskiyou ca. 1/2 mi. s.e. of Red Butte (ca. 7 mi. n.-n.e. of Seiad Valley, s.w of Cook and Green Pass) 1730 Comment
  RSA415968  Deschampsia cespitosa subsp. cespitosa M. B. Dunkle 1945-7-24 9265 Siskiyou Klamath National Forest, Marble Mts. Comment
  UCD61084  Deschampsia cespitosa subsp. holciformis Sami Gray; Barbara L. Wilson 1995-9-2 8071 Siskiyou Klamath National Forest; Mount Eddy; upper end of Upper Deadfall Lake. Comment
  HSC65587  Deschampsia elongata Donald W. Miles 1979-7-18 18 Siskiyou "Midway up Lookout Point, on short logging spur off of Medicine Lake Rd., 11 mi. N of Bartle." 1555 Comment
  UC1024735  Deschampsia elongata Leo Whitney 1934-6-29 3045 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  UC204770  Deschampsia elongata Geo. D. Butler 1910-7-13 1769 Siskiyou Shackleford Creek 1219 Comment
  HSC46748  Deschampsia elongata William J. Ferlatte 1974-7-26 1602 Siskiyou Big Flat and vicinity; woods N side of Mountain Meadows Ranch. 1524 Comment
Read comments
Jun 7 2012
  JEPS53412  Descurainia incisa subsp. incisa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek 1676 Comment
  CHSC33173  Descurainia pinnata subsp. halictorum R. E. Preston 1981-5-2 57 Siskiyou S side of Irongate Reservoir, ca. 32 km ne of Yreka. 732 Comment
  HSC24688  Dicentra formosa J. O. Sawyer 1969-7-18 1361 Siskiyou E of Waterdog Lake 2012 Comment
  HSC635  Dicentra pauciflora William J. Ferlatte 1967-6-29 574 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC253634  Dichanthelium acuminatum subsp. acuminatum Doris K. Kildale 1928-8-18 6473 Siskiyou Near head of N fork of Salmon River at Finbey's Upper Camp 1828 Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  UCSB13236  Dichelostemma capitatum Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC500995  Dichelostemma multiflorum L. E. Smith 1913-6-29 419 Siskiyou Rainbow Comment
  CAS-BOT-BC500999  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC290997  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291011  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  HSC92174  Dieteria canescens var. shastensis Jennifer Whipple 1976-8-20 1705 Siskiyou Summit region of Mt. Eddy 2470 Comment
  SEINET8211074  Diplacus nanus W. B. Cooke, V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station, Mt. Shasta. 1676 Comment
  UC796501  Disporum hookeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11750 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  RSA520564  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 81 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  RSA461942  Dodecatheon A. C. Life 1924-3-22 14602 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  HSC19084  Dodecatheon alpinum J. O. Sawyer 1969-8-5 1738 Siskiyou W of Little Duck Lake 2073 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  POM76574  Dodecatheon hendersonii Geo. D. Butler 1230 Siskiyou Pine woods, Quartz Valley Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC381  Dodecatheon jeffreyi William J. Ferlatte 1967-7-25 727 Siskiyou Caribou Basin 1982 Comment
  HSC61802  Dodecatheon jeffreyi Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  SJSU6531  Dodecatheon jeffreyi R. W. Trivelpiece 1973-6-21 147 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  JEPS14698  Dodecatheon jeffreyi Joseph P. Tracy 1935-8-1 14400 Siskiyou on ridge between Salmon and New Rivers (Rock Lake, at extreme head of West Fork of Knownothing Creek); West Fork of Knownothing Creek, btw Salmon and New Rivers 1889 Comment
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  JEPS84107  Draba howellii L. R. Heckard with J. Hickman et al. 1986-7-17 6462 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, Kangaroo Peak, n of Seiad Valley Comment
  CAS-BOT-BC41314  Draba pterosperma George Dexter Butler 1908-8-8 33 Siskiyou Marble Valley. Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  POM93918  Draba verna Geo. D. Butler 1910-3-23 1143 Siskiyou Shasta [River?] Comment
  UCD113085  Drymocallis glandulosa Lynette Renouf 1992-5-31 24 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along the south fork of the Sacramento River. Comment
  RSA237852  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1969-8-1 1124 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC76989  Drymocallis lactea var. lactea K. T. Stillman 1976-6-25 67 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC76772  Drymocallis lactea var. lactea K. T. Stillman 1976-8-7 372 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  HSC42935  Dysphania botrys Ken Stillman 1976-8-24 435 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UCD131238  Echinops sphaerocephalus Gene Cakin 1951-9-1 s.n. Siskiyou Tule Lake Basin. Comment
  OBI80338  Elatine chilensis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  CAS-BOT-BC113418  Eleocharis bella Doris K. Kildale 1928-8-19 6514 Siskiyou English Lake, head of north fork of Salmon River. 1676 Comment
  JEPS19409  Eleocharis bella B. C. Goldsmith 1916-9-9 22 Siskiyou Klamath Hot Springs Comment
  JEPS19411  Eleocharis bella Geo. D. Butler 1909-9-12 866 Siskiyou Oro Fino Comment
  UC642544  Eleocharis macrostachya H. K. Svenson 1939-6-23 13517 Siskiyou Bear Springs Mount Shasta 1524 Comment
  CAS-BOT-BC197360  Elymus Copeland 1903-9-7 3794 Siskiyou Mt. Eddy Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  RSA211383  Elymus elymoides William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  CHSC61569  Elymus elymoides subsp. elymoides L. P. Janeway 1983-8-26 605 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. Along the road on the north side of the meadow. 1524 Comment
  UC618876  Elymus elymoides subsp. elymoides W. Bridge Cooke 1938-7-15 11266 Siskiyou Wagon Camp Mount Shasta (around outer portions of meadows) 1737 Comment
  HSC22477  Elymus elymoides var. elymoides J. O. Sawyer 1969-8-1 1688 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76716  Elymus elymoides var. elymoides K. T. Stillman 1976-7-31 348 Siskiyou Marble Mountain Wilderness Area: E facing slope N from Black Mt. towards Jump off point. 2012 Comment
  RSA239022  Elymus glaucus Frederick W. Oettinger 1969-8-3 1147 Siskiyou Above Wiregrass Meadow above English Lake on trail to Abbott's Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  HSC31066  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-9-3 1622 Siskiyou Marble Mtn. Wilderness Area, trail on south slope of English Peak. 2073 Comment
  HSC103029  Elymus hispidus J. P. Smith 2014-6-7 13887 Siskiyou Yreka 844 Comment
  JEPS70717  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  CHSC61572  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  CHSC86458  Epilobium brachycarpum Jenny Marr 1993-7-1 75 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  POM259364  Epilobium brachycarpum J. T. Howell 1939-8-9 15237 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  SD3238  Epilobium brevistylum Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs. Comment
  CHSC114077  Epilobium ciliatum Kendra Sikes 2011-8-23 FC 1 -1 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys; UTM Zone 10N, 541673E, 4564801N. 1850 Comment
  UC1191709  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-25 8286 Siskiyou w side Tule Lake Comment
  UC164294  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek Comment
  UC637087  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou e end of valley Seiad Valley, Walker Creek (creek is a tributary of Klamath River) 457 Comment
  POM248154  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-8-22 13881 Siskiyou Mount Shasta: along the large Wagon Camp Creek. 1738 Comment
  JEPS94069  Epilobium densiflorum Vernon H. Oswald and Lowell Ahart 1998-9-8 9604 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (Julia Glover Flat on USFS 3); Julia Glover Flat 1112 Comment
  UCD77630  Epilobium glaberrimum subsp. glaberrimum Robert E. Preston 2001-8-26 1764 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  HSC78326  Epilobium hallianum L. P. Janeway 1983-7-24 450 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  JEPS43854  Epilobium hallianum W. L. Jepson 1937-7-30 18549 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat 1584 Comment
Read comments
Sep 9 2008
  CAS-BOT-BC165944  Epilobium hallianum Thomas W. Nelson; Jane P. Nelson 1980-7-19 6202 Siskiyou Along Forest Service road 40N17 ca. 1 mile from junction with Callahan-Cecilville road 1584 Comment
  HSC92786  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1977-7-21 2019 Siskiyou Near Durney Lake 2073 Comment
  UCD106497  Epilobium lactiflorum Robert E. Preston 2001-7-21 1722 a Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 2066 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
  SEINET6644393 Image available Epilobium minutum A. A. Heller 1919-1 13263 Siskiyou Comptons Prairie, N base of Mount Eddy 1158 Comment
  RSA458713  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  HSC86524  Epilobium oreganum D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  JEPS109564  Epilobium siskiyouense Dean W. Taylor 2002-7-21 18273 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CAS-BOT-BC57809  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou S. bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  HSC46757  Equisetum laevigatum William J. Ferlatte 1968-6-8 1137 Siskiyou Big Flat, near campground 1524 Comment
  POM256462  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  HSC36752  Equisetum telmateia subsp. braunii Brent Whiteley 1975-6-23 42 Siskiyou 223 Comment
  CAS-BOT-BC204510  Eragrostis cilianensis Dorothy Parker 1948-8-24 86 Siskiyou Along the road in Plowman's Valley 1188 Comment
  POM114686  Eragrostis mexicana subsp. virescens Geo D. Butler 1909-10-3 869 Siskiyou Meadow near Yreka Comment
  UC220632  Eremocarpus setiger H. E. Brown Jul 15 1897-Jul 31 1897 571 Siskiyou Mt. Shasta; s side 1524 Comment
  CAS-BOT-BC174101  Eremogone aculeata John Thomas Howell 1939-8-2 14916 a Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC168848  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  HSC77340  Eremogone congesta var. congesta L. P. Janeway 1983-8-13 533 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  RSA0119474  Eriastrum densifolium subsp. austromontanum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road 1280 Comment
  CAS-BOT-BC286714  Ericameria bloomeri Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt. Shasta Comment
  SEINET5727125 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  UC830817  Ericameria greenei Alice Eastwood 1912-8-29 2040 Siskiyou Mount Eddy Comment
  JEPS21401  Ericameria nauseosa var. speciosa W. L. Jepson 1940-6-23 20020 Siskiyou n of Mt. Shasta (Andesite station) 975 Comment
  UC598532  Ericameria nauseosa var. speciosa C. Hart Merriam 1898-8-20 183 Siskiyou Mt. Shasta Comment
  UC62938  Ericameria parryi var. latior Geo. B. Grant 1902-9-1 5152 Siskiyou Mount Shasta, Sisson 914 Comment
  POM35919  Erigeron aliceae Geo. D. Butler 1910-6-8 1653 Siskiyou Shackleford Creek Comment
  HSC49946  Erigeron bloomeri var. bloomeri G. L. Clifton 1979-8-5 12717 Siskiyou Near Twin Valley Creek close to town of Happy Camp 1592 Comment
  CAS-BOT-BC294503  Erigeron bloomeri var. bloomeri R. C. Barneby 1954-5-16 11531 Siskiyou 6 mi. s.-w. of Yreka 975 Comment
  HSC22451  Erigeron cervinus J. O. Sawyer 1969-7-25 1520 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC29207  Erigeron cervinus Frederick W. Oettinger 1968-9-1 645 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  CHSC88385  Erigeron divergens Jenny Marr 1993-7-1 144 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC725404  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou just s Bray 1402 Comment
  SEINET9332119  Erigeron filifolius Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  OBI80360  Erigeron glacialis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC19464  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-5 1741 Siskiyou W of Little Duck Lake 2073 Comment
  HSC19478  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-3 1781 Siskiyou Near Little Duck Lake 2073 Comment
  OBI80251  Erigeron inornatus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC455841  Erigeron inornatus var. inornatus I. J. Condit 1911-7-3 Siskiyou along R.R. Shasta Retreat (Shasta Retreat) Comment
  HSC69344  Erigeron klamathensis Maralyn A. Renner 1980-9-9 2758 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS104787  Erigeron klamathensis Dean W. Taylor 1996-7-7 15809 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  JEPS57159  Erigeron petrophilus var. viscidulus L. R. Heckard 1967-8-12 1662 Siskiyou ridge about 2 air miles nw Mt. Eddy summit 2255 Comment
  RSA0030732  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  SEINET10616375  Erigeron philadelphicus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20641 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Comment
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  POM65393  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka. Comment
  RSA789822  Eriogonum Rebecca Wenk 2006-9-2 545 Siskiyou Trail to Caribou Lakes from Big Flat Meadow. 1951 Comment
  HSC77564  Eriogonum compositum var. compositum L. P. Janeway 1983-9-11 661 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC248811  Eriogonum compositum var. compositum William A. Dayton 1913-6-16 278 Siskiyou Shasta National Forest. E. slope, Scott Mt., near Callahan - Gazelle stage road 1524 Comment
  HSC41055  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou Ridge N of High Lake 2360 Comment
  RSA237759  Eriogonum compositum var. compositum Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1255 Siskiyou New York Flumes between Pine Lake and Tom's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1282033  Eriogonum congdonii Louise Kellogg Aug 8 1953-Aug 9 1953 124 Siskiyou Blue Point, a serpentine outcrop near Scott Mountain Public Campground; Klamath National Forest 1630 Comment
  UC1475701  Eriogonum congdonii Clifton and Ground 1978-7-2 1800 Siskiyou near summit (close to town of Callahan); China Mt. quadrangle, Scott Mountain 1704 Comment
  CAS-BOT-BC246489  Eriogonum diclinum H. A. Thomas; J. H. Thomas 1954-7-24 4508 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC30225  Eriogonum diclinum William J. Ferlatte 1971-9-18 1378 Siskiyou Caribou Basin 2104 Comment
  HSC35789  Eriogonum diclinum J. O. Sawyer 1969-7-2 1001 Siskiyou E of Twin Lakes 2195 Comment
  HSC49939  Eriogonum diclinum G. L. Clifton, Ground 1978-7-30 2437 Siskiyou Near Big Rock 2059 Comment
  SEINET6179443  Eriogonum diclinum James L. Reveal, Mark L. Reveal 1975-8-15 3856 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mi W of Dry Lake Lookout near the Buckthorn Trail.; 0 2042 Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  JEPS56778  Eriogonum marifolium Chesnut and Drew July 1891 Siskiyou Mt. Shasta-Lassen Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  CAS-BOT-BC263180  Eriogonum marifolium var. cupulatum Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mount Shasta. Horse Camp Flats Comment
  CAS-BOT-BC267388  Eriogonum marifolium var. marifolium Peter Kamb 1949-8-25 1485 Siskiyou Southwest slope of Mt Shasta above Horse Camp 2560 Comment
  CAS-BOT-BC267393  Eriogonum marifolium var. marifolium Wm. Bridge Cooke 1939-6-23 13529 Siskiyou Mount Shasta. Along the Wagon Camp road in the vicinity of Wagon Camp Comment
  CAS-BOT-BC261673  Eriogonum nudum var. nudum Gilbert J. Muth 1969-8-8 1301 Siskiyou Boulder Peak Ridge Comment
  HSC26760  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1971-9-18 4820 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC1483512  Eriogonum nudum var. nudum Maralyn A. Renner 1980-7-24 2119 Siskiyou about 1/4 mi sw, on Pacific Crest Trail Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1493 Comment
  RSA105481  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou 0.2 mile north of Callahan. 976 Comment
  SBBG64165  Eriogonum nudum var. oblongifolium A. A. Heller 1927-8-2 14443 Siskiyou ca. 3 mi S of Yreka Comment
  CAS-BOT-BC272471  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou South bank of the Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  CAS-BOT-BC272480  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1783 Comment
  HSC43065  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-7-17 4422 Siskiyou Along Klamath River Comment
  CAS-BOT-BC272462  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1923-9-6 3943 Siskiyou Klamath River, about 20 miles below mouth of Shasta River Comment
  RSA393313  Eriogonum nudum var. pubiflorum M. B. Dunkle 1944-6-25 9025 Siskiyou Siskiyou National Forest. Comment
  UC85678  Eriogonum pyrolifolium J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  SEINET530696  Eriogonum pyrolifolium Paul Opler 2008-7-8 Siskiyou Panther Meadows. 2438 Comment
  CAS-BOT-BC252963  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1912-9-1 2075 Siskiyou Mount Shasta Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  POM105392  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1417 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  RSA601669  Eriogonum sphaerocephalum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka. 808 Comment
  CAS-BOT-BC262724  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-27 1428 Siskiyou Near Yreka Comment
  CAS-BOT-BC262758  Eriogonum strictum var. anserinum Dorothy Parker 1948-2-20 153 Siskiyou Schoolhouse Hill, Plowman's Valley 1153 Comment
  RSA0081457  Eriogonum ternatum L. R. Heckard, S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 Siskiyou Ca. 7 miles NNE of Seiad Valley, SW of Cook and Green Pass, ca. 0.5 mile SE of red Butte. 1730 Comment
  CAS-BOT-BC267972  Eriogonum umbellatum var. argus James L. Reveal; Darin S. Reveal 1978-8-8 4808 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  CAS-BOT-BC267985  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC267989  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  JEPS56191  Eriogonum umbellatum var. dumosum Geo. D. Butler 1908-7-12 215 Siskiyou w Yreka; Humbug Mt. Comment
  UC635432  Eriogonum umbellatum var. humistratum D. Tebbe 1929-7-18 129 Siskiyou Mount Eddy Comment
  UC909327  Eriogonum umbellatum var. lautum Dorothy Parker 1948-8-2 161 Siskiyou 1 1/2 mi from Etna (along Etna Creek); Scott Valley, Etna Creek 896 Comment
  LA207056  Eriogonum umbellatum var. polyanthum 1939-8-10 13854 Siskiyou MOUNT SHASTA, Mud Creek Canyon. 1828 Comment
  RSA420578  Eriogonum umbellatum var. polyanthum Bonnie C. Templeton 1960-6-21 8523 Siskiyou Between Yreka and the border checking station. Comment
  CAS-BOT-BC265203  Eriogonum umbellatum var. speciosum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1 1/2 mi. from Etna, Scott Valley 896 Comment
  CDA14218  Eriogonum vimineum G. F. Hrusa 1997-9-18 14105 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  RSA622148  Eriogonum vimineum James L. Reveal, Coroline 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
  HSC41057  Eriophorum crinigerum J. O. Sawyer 1969-7-10 1041 Siskiyou Above Lipstick Lake 1829 Comment
  UC1265449  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou just n. Tobacco Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UC1950423  Eriophorum crinigerum Barbara Ertter 1990-7-14 9349 Siskiyou just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City; E- facing hillside Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  UC643288  Eriophyllum lanatum var. achilleoides W. Bridge Cooke 1940-6-27 15207 Siskiyou n side of mountain along the logging road above Hotlum Station (on lava fields in the Lava Park); Mount shasta 1371 Comment
  CAS-BOT-BC301123  Eriophyllum lanatum var. achilleoides L. E. Smith 1914-4-25 640 Siskiyou Yreka Comment
  SEINET8687241 Image available Eriophyllum lanatum var. achilleoides G. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1070 Comment
  CAS-BOT-BC308278  Eriophyllum lanatum var. integrifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1417 Comment
  CAS-BOT-BC301702  Eriophyllum lanatum var. lanceolatum Alice Eastwood 1922-10-18 11534 Siskiyou Shasta Springs Comment
  POM301745  Eriophyllum lanatum var. lanceolatum Marion Ownbey, Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  HSC68013  Erodium cicutarium J. P. Smith 1973-5-5 6560 Siskiyou Scott Bar along the Scott River Comment
  UC1559630  Eryngium articulatum Beth Corbin 1989-8-8 530 Siskiyou ca. 15 air mi. n. Fall R. Mills (Adobe Flat); Adobe Flat 1097 Comment
  UC2043245  Eryngium articulatum Barbara Ertter 1996-7-24 15023 Siskiyou Klamath River at mouth of Dillon Creek, Route 96 ca 14 air miles N of Somes Bar/Humboldt County line. Comment
  HSC62632  Erysimum capitatum Stansell 1928-6-18 Siskiyou Youngs Valley Comment
  CAS-BOT-BC54587  Erysimum capitatum F. D. Douthitt 1919-5-17 12 Siskiyou Rattlesnake Ridge. 1066 Comment
  HSC61797  Erysimum capitatum var. capitatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS44103  Erysimum capitatum var. capitatum W. B. and V. G. Cooke 1965-7-9 35123 Siskiyou along Everett Memorial Hwy Mt. Shasta Comment
  RSA262447  Erysimum capitatum var. perenne J. M. Tucker 1963-7-7 3717 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CHSC118627  Erythranthe guttata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  HSC30414  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Marble Mtn. Wilderness Area. above Diamond Lake on ridge to English Peak 2134 Comment
  CAS-BOT-BC133303  Erythronium klamathense W. R. Dudley 1893-6-19 s.n. Siskiyou Castle Lake, near Mt. Shasta Comment
  SEINET3160625  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  SEINET3160627  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  SD75848  Eucephalus glabratus Darley F. Howe 1969-8-9 Siskiyou North entrance to Siskyou National Forest. 1525 Comment
  UC896392  Eucephalus glabratus A. A. Heller 1915-8-26 12242 Siskiyou n side Mt. Eddy 1767 Comment
  CAS-BOT-BC310460  Eucephalus ledophyllus var. ledophyllus J. P. Smith; J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1981 Comment
  HSC29205  Eucephalus ledophyllus var. ledophyllus Frederick W. Oettinger 1968-8-16 548 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NW side of Hancock Lake 1936 Comment
  HSC93864  Eucephalus ledophyllus var. ledophyllus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  UC163694  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Russian Creek, Eldredge's Corral Comment
  RSA498946  Euphorbia crenulata L. C. Wheeler 1934-6-4 2634 Siskiyou Hamburg Gulch off Horse Creek. 610 Comment
  UCD98897  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  UCD65876  Festuca californica subsp. californica A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3441 Siskiyou Near Happy Camp above the Klamath River. Comment
  CAS-BOT-BC278733  Festuca idahoensis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest, N. Hungry Creek 1219 Comment
  HSC92562  Festuca idahoensis Jennifer Whipple 1977-8-4 2150 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  JEPS107387  Festuca idahoensis Lowell Ahart, John Dittes 2005-6-10 12100 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS72961  Festuca idahoensis W. L. Jepson 1940-6-28 20059 Siskiyou McCloud 975 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  UCSC000033  Festuca idahoensis H. S. Yates 1936-6-21 5826 Siskiyou North base of Wintoon Butte 1219 Comment
  JEPS121760  Festuca occidentalis B. Castro and L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the N-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its A spur, in the old road-bed on semi-shaded red fir forest floor. Comment
  HSC30645  Festuca pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow above English Lake. 1677 Comment
  UCD66264  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  CAS-BOT-BC279073  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  HSC30647  Festuca rubra Frederick W. Oettinger 1969-9-2 1585 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  HSC30673  Festuca rubra Frederick W. Oettinger 1969-9-4 1673 Siskiyou Salmon Mtns., Tom Taylor Cabin. 2012 Comment
  SEINET10929889  Festuca rubra var. megastachys A. Arthur Heller 1921-7-17 Heller 13580 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek, in the Hudsonian zone. 2286 Comment
  CHSC118257  Festuca viridula R. E. Brainerd; N. Otting 2013-7-12 2182 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. UTM Zone 10 493406E 4603724N WGS84. 2255 Comment
  CAS-BOT-BC437076  Fragaria vesca subsp. bracteata Alice Eastwood No date on label. s.n. Siskiyou Sisson Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  CAS-BOT-BC59981  Frangula purshiana C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek. Comment
  CAS-BOT-BC60025  Frangula purshiana John Thomas Howell 1937-7-26 13541 Siskiyou Caribou Gulch. Comment
  SBBG26936  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-3 Siskiyou Little N Fork Salmon River, Sawyers Bar-Etna Mills Rd Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  CAS-BOT-BC55720  Frangula rubra subsp. obtusissima John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53558 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  SJSU6482  Frasera albicaulis R. W. Trivelpiece 1972-6-9 96 Siskiyou c. 4 mi E of Grass L 1524 Comment
  SEINET8584501  Frasera albicaulis var. nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka. 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
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  UC1076029  Fritillaria atropurpurea Herbert L. Mason 1947-5-17 14744 Siskiyou summit of Scott Mountain grade, Trinity-Siskiyou County Line Scott Mountain Comment
  HSC36945  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC43326  Fritillaria pudica Maralyn O'Meara 1974-5-26 467 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  UC75638  Fritillaria pudica Miss Anna Conau 1906-1 Siskiyou Fort Jones Comment
  CAS-BOT-BC504471  Fritillaria recurva Lincoln Constance; Reed C. Rollins 1942-5-14 2925 Siskiyou Road to Walker Post Office, 4 miles west of Yreka 1219 Comment
  JEPS25674  Galium ambiguum subsp. siskiyouense Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7319 Siskiyou on rocky ridgetop marking Del Norte-Siskiyou co. boundary Siskiyou Mts. (on steep grade just above jeep road between Poker Flat and Twin Valley) 1664 Comment
  HSC19069  Galium bolanderi J. O. Sawyer 1969-6-12 905 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC67749  Galium bolanderi John Palmer 1980-8-15 1005 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UC1170100  Galium bolanderi W. Bridge Cooke 1956-7-16 30298 Siskiyou above Hotlum Station (n side of mt.); Mount Shasta 1524 Comment
  JEPS18603  Galium bolanderi Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5962 Siskiyou about 3 1/2 mi below (ne) Gumboot Lake; Canyon of South Fork of Sacramento River 1402 Comment
  HSC70606  Galium glabrescens J. O. Sawyer, R. J. Cole 1981-7-2 4146 Siskiyou Near Scott Mtn. Campground 1585 Comment
  UC455889 Image available Galium glabrescens subsp. glabrescens I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake; Castle Lake near Sisson 1828 Comment
  HSC61214  Galium muricatum Al Hobart 1968-8-15 Siskiyou El Capitan Comment
  JEPS27650  Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan) 1828 Comment
  HSC19185  Galium triflorum J. O. Sawyer 1968-7-23 584 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC642561  Galium triflorum W. Bridge Cooke 1939-6-30 13567 Siskiyou along a spring creek Mt. Shasta, MacBride Springs Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC182233  Garrya fremontii J. H. Thomas 1954-5-14 4186 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  CAS-BOT-BC182268  Garrya fremontii Elmer I. Applegate 1898-5-15 2138 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  HSC27761  Garrya fremontii J. P. Smith, J. O. Sawyer 1972-9-13 5792 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake 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
  RSA44064  Garrya fremontii W. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road. Comment
  UCR219535  Garrya fremontii R. F. Thorne 1969-8-2 63348 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak, trail to upper English Lake along Salmon River 1159 Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  HSC30574  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  HSC34828  Gayophytum diffusum subsp. parviflorum J. P. Smith, J. O. Sawyer 1975-10-23 8487 Siskiyou 1768 Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  RSA237863  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1890 Comment
  SBBG25880  Gayophytum humile D. Myrick 1966-8-9 1505 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC726664  Gayophytum humile A. A. Heller 1916-6-20 12409 Siskiyou Metcalf Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  SEINET3150777  Gentiana calycosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  SEINET8586406  Gentiana newberryi W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  UC1024067  Gentianella amarella subsp. acuta Dorothy Parker 1953-9-18 607 Siskiyou near Cory Peak (along the banks of Cabin Meadow Creek); Siskiyou Mountains, Cabin Meadow Creek 1828 Comment
  CHSC1550  Geum macrophyllum K. Jaekel; N. Jaekel 1939-7-15 Siskiyou Mt. Shasta slope. 1097 Comment
  HSC223  Gilia capitata William J. Ferlatte 1966-8-17 403 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA96729  Gilia capitata Lee W. Lenz 1953-5-17 18312 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  UC52440  Gilia capitata subsp. capitata W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Comment
  UC163988  Gilia capitata subsp. capitata Geo. D. Butler 1908-8-6 32 Siskiyou along trail summit above Cold Spring Woolly Creek; above Cold Spring Woolly Creek Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  RSA237527  Gnaphalium palustre Frederick W. Oettinger 1969-8-31 1567 Siskiyou Weed patch at campsite, English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1829 Comment
  RSA756940  Goodyera oblongifolia Robert F. Thorne 1969-8-2 63344 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC63982  Hackelia micrantha J. P. Smith, Steve Selva 1970-6-15 3967 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC78208  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  UC375208  Hastingsia alba Geo. D. Butler 1910-6-5 1518 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504598  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC504605  Hastingsia alba W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC504609  Hastingsia alba Alice Eastwood 1912-7-24 1362 Siskiyou Castella Comment
  CAS-BOT-BC508657  Hastingsia alba Palmer no date on the lable s.n. Siskiyou Sisson Comment
  CDA39327  Hastingsia alba C. S. Giebner 1964-7-3 s.n. Siskiyou Coley property, Edgewood. 0 Comment
  HSC30795  Hastingsia alba Arthur R. Kruckeberg 1972-6-9 6204 Siskiyou Above rd. at Beaver Creek Forest Camp along Beaver Creek, Klamath River drainage Comment
  POM208384  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mountains; Mt. Diablo Meridian 1524 Comment
  RSA232529  Hastingsia alba Donald Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  CAS-BOT-BC302449  Hazardia whitneyi var. discoidea Gilbert J. Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge Comment
  HSC62043  Hazardia whitneyi var. discoidea Ruby Van Deventer 14 Aug [year missing] Siskiyou Raspberry Lake 2 mi. W of Copper Mtn. Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  CAS-BOT-BC306737  Helenium bigelovii Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road Comment
  UCD132695  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC305314  Helianthella Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  HSC92731  Helianthella californica var. shastensis Jennifer Whipple 1976-6-30 1204 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC314841  Helianthella californica var. shastensis L. E. Smith 1914-5-21 707 Siskiyou Dunsmuir Comment
  CAS-BOT-BC305577  Helianthus bolanderi Geo. B. Grant 1902-9-14 5209 Siskiyou Dunsmuir Comment
  HSC101502  Hemerocallis fulva J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12993 Siskiyou Fence row along Gazelle-Callahan Road. 3961 Comment
  JEPS84217  Hemitomes congestum L. R. Heckard with J. Hickman et al. 1986-7-17 6449 Siskiyou Cook and Green Pass ca. 5 mi N of the town of Seiad Valley 1465 Comment
  JEPS75211  Hemitomes congestum W. B. & V. G. Cooke 1975-9-3 50497 Siskiyou Ash Creek area below timberline East side of Mt. Shasta 2286 Comment
  CAS-BOT-BC313448  Hemizonella minima Elmer I. Applegate 1935-6-8 9418 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  POM360344  Hemizonia fasciculata Cora Mae Life 1923-08 14394 Siskiyou Near Horse Camp, Mt. Shasta. Comment
  JEPS93854  Hesperochiron californicus Vernon H. Oswald and Lowell Ahart 1998-6-11 9203 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC43383  Hesperochiron pumilus Maralyn O'Meara 1974-5-26 459 Siskiyou Along USFS Rd. 47N03 1524 Comment
  POM87184  Hesperolinon micranthum Geo. D. Butler 1910-6-19 1582 Siskiyou Goosenest foothills. 1220 Comment
  POM8868  Hesperolinon micranthum E. B. Copeland 1903-7-3 3561 Siskiyou Klamathon. Comment
  HSC77759  Heterocodon rariflorum L. P. Janeway 1983-9-11 672 Siskiyou Poker Flat 1524 Comment
  HSC27593  Heteromeles arbutifolia Carl W. Mize 1972-6-21 68 Siskiyou Along trail by sharp bend in trail 274 Comment
  CAS-BOT-BC312297  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  HSC22093  Heuchera merriamii J. O. Sawyer 1969-8-2 1707 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC34313  Heuchera merriamii J. P. Smith, J. O. Sawyer 1973-8-15 7328 Siskiyou N of Angel Lake 2012 Comment
  JEPS84337  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6370 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 mi e of Red Butte summit) 1900 Comment
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Jul 30 2009
  UC1190181  Heuchera merriamii Ira L. Wiggins 1955-7-29 13581 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); Trinity Alps 1999 Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  HSC27717  Heuchera micrantha Carl W. Mize 1972-6-8 16 Siskiyou Along trail on moist N slope 343 Comment
  HSC30614  Heuchera micrantha Frederick W. Oettinger 1969-8-12 1344 Siskiyou 1/4 mi. up from Abbott's Lower Cabin by rock wall 1189 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
  JEPS36598  Hieracium greenei Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  UC165421  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  CAS-BOT-BC316009  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  JEPS82132  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  HSC44720  Hieracium scouleri J. O. Sawyer, E. Cope 1977-6-18 2909 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  UC688880 Image available Hierochloe odorata Gus Hormay 1944-7-19 Siskiyou Kuck's Cabin, Ball Mountain, west of Mt. Hebron Comment
  HSC45194  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-21 2989 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  CHSC69099  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald; Lowell Ahart 1997-7-28 8787 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  UC1024787  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1934-6-29 2235 Siskiyou near Tennant (Antelope); Antelope Creek 1463 Comment
  CDA6217  Hordeum marinum subsp. gussoneanum L. Ahart, J. Dittes 2005-6-9 12000 Siskiyou 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. Comment
  UC164307  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  JEPS82693  Horkelia daucifolia Wayne Roderick 1984-6-6 Siskiyou about 5 mi s Gazelle 1021 Comment
  POM34911  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  CAS-BOT-BC514280  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke 1938-7-15 11229 Siskiyou Mount Shasta, above Bear Springs 1676 Comment
  JEPS44556  Horkelia tridentata Willis L. Jepson Jul 24 1894-Aug 10 1894 120 p Siskiyou near Sisson; Region of the Upper Sacramento Comment
  RSA119333  Horkelia tridentata subsp. flavescens S. S. Tillett 1956-7-11 696 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC185648  Horkelia tridentata subsp. tridentata Dr. E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  CAS-BOT-BC538242  Horkelia tridentata var. flavescens J. H. Thomas 1954-5-12 4123 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC539429  Horkelia tridentata var. tridentata Elmer I. Applegate 1895-5-29 s.n. Siskiyou Canyon of the Sacramento River below Sisson Comment
  HSC82352  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4525 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC312570  Hulsea nana Wm. Bridge Cooke 1939-7-26 13768 Siskiyou Mount Shasta. Along the Summit Trail below Lake Helen Comment
  JEPS16952  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou summit Mount Eddy 2758 Comment
  JEPS101370  Hymenoxys lemmonii Dean W. Taylor 1997-6-12 16054 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  CHSC30332  Hypericum anagalloides M. S. Taylor 1980-7-8 3100 Siskiyou NW side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  RSA238862  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Mid-way between the English lake main camp and 'Sundew Bog' due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA172017  Iliamna bakeri F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  JEPS25591  Ipomopsis aggregata Rimo Bacigalupi 1959-7-2 7223 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  SEINET12278833  Ipomopsis aggregata H. P. Chandler 1901-1 1624 Siskiyou near Marble Mountain 2134 Comment
  UCD118219  Ipomopsis aggregata A. H. M. 1957-7-23 57 N Siskiyou Deadfall Creek Shasta National Forest. 2011 Comment
  RSA237944  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1967-7-26 198 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC76648  Ipomopsis congesta K. T. Stillman 1976-8-7 176 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS94072  Ipomopsis congesta subsp. congesta Vernon H. Oswald and Lowell Ahart 1998-9-8 9612 Siskiyou ca. 30 air mi. n. Burney (Junction of USFS 3 & 24 ca. 2.5 mi. w.-s.w of Hambone Butte) 1310 Comment
  SEINET3875271  Iris douglasiana D. E. Bright 1961-6-15 192 Siskiyou 5 miles west of Bray, California in dry stream-bed.; 0 Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  SDSU11760  Iris missouriensis D. F. Howe 1972-7-8 4883 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  CAS-BOT-BC133696  Iris tenax Marc Baker 1980-6-20 2182 Siskiyou Near Bald Mountain 274 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  HSC99833  Iris tenax subsp. klamathensis T. Jimerson, J. Pageau 1979-6-15 557 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  HSC69705  Iris tenuissima Maralyn A. Renner 1980-6-26 1261 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC76882  Iris tenuissima K. T. Stillman 1976-6-27 142 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  UC844949  Iris tenuissima unknown 1941-6-6 16015 Siskiyou e base Mt. Eddy Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  CAS-BOT-BC88663  Isatis tinctoria Marion Ownbey; Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, southwest of Yreka. Comment
  RSA256698  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  SEINET11971706  Isatis tinctoria M. Ownbey, Meyer, F. G. 1940-1 2208 Siskiyou Soap Ridge road, SW of Yreka Comment
  SFV1479  Isatis tinctoria J. M. Tucker, L. K. Mann 1963-7-4 3688 Siskiyou Along old abandoned road 8.5 miles (by road) northeast of Fort Jones. Comment
  UCD115197  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  HSC91425  Isoetes bolanderi Jennifer Whipple 1977-8-6 2245 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC371166  Isoetes bolanderi G. D. Butler 1908-8-3 256 Siskiyou Log lake Comment
  UC400938  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 A Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  UCD78127  Isoetes bolanderi Robert E. Preston 2002-7-13 1918 Siskiyou Klamath National Forest, Rainbow Lake 1828 Comment
  HSC61923  Juncus acuminatus Ruby Van Deventer 1959-1-9 Siskiyou Poker Flat 1585 Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  HSC99317  Juncus bolanderi C. B. Wolf 1927-8-26 1096 Siskiyou Klamath River 14 mi. above Happy Camp Comment
  RSA233688  Juncus drummondii Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38953 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238900  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Along the shoreline of Tom s Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2020 Comment
  RSA238903  Juncus drummondii Frederick W. Oettinger 1969-9-4 1660 Siskiyou Just S of Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC73220  Juncus ensifolius Gail Newton 1980-6-20 504 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS66703  Juncus ensifolius Mrs. M. H. Goldsmith and B. C. Goldsmith 1916-8-7 14 Siskiyou Sisson Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  JEPS81650  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  CHSC40148  Juncus hesperius L. P. Janeway 1983-6-25 328 Siskiyou Seep area along edge of dirt road ca 350 m n of West Branch Guard Sta. 670 Comment
  UC642582  Juncus howellii F. J. Hermann 1939-7-21 13711 Siskiyou Bear Springs Mount Shasta 1524 Comment
  RSA22088  Juncus mertensianus J. T. Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UC1265306  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou Hemlock Forest, n side of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC618808  Juncus mertensianus unknown 1938-8-8 11475 Siskiyou above Horse Camp (along the Summit Trail); Mount Shasta, Horse Camp Springs, Summit Trail 2514 Comment
  CAS-BOT-BC110803  Juncus mertensianus Harry R. Saxton; Roy H. Canfield 1922-7-11 3 Siskiyou Klamath Forest. Mud Springs. 1676 Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  RSA238909  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1288 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD141629  Juncus nevadensis J. M. Tucker 1950-7-23 1943 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  UCSB63776  Juncus orthophyllus Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Kangaroo Lake Rd. (USFS 41N08); 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 4IN 10: T41N R7W ca. center Sect. 34 1554 Comment
  RSA233666  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38981 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2378 Comment
  POM256459  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou Walker Creek canyon, a tributary of the Klamath River (east end of Seiad Valley). 610 Comment
  POM110819  Juncus xiphioides Geo D. Butler 1910-7-9 1734 Siskiyou Shackleford Creek. 1220 Comment
  HSC69525  Juniperus communis var. jackii Maralyn A. Renner 1980-6-26 1283 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS48300  Juniperus occidentalis W. L. Jepson 1940-6-23 19966 Siskiyou e of Mayton (e side of Little Shasta Valley, in Juniper colony); Little Shasta Valley 883 Comment
  UC139956  Juniperus occidentalis Copeland 1909-7-4 3545 Siskiyou Klamath<a?> Pacific Coast Comment
  UC401377  Juniperus occidentalis Geo. D. Butler 1908-9-6 226 Siskiyou dry land near Yreka Comment
  SEINET5450470 Image available Juniperus occidentalis Ross C. Clark, Bob Harvey; Chris Harvey 23916 Siskiyou Interstate Hwy. 5- vicinity of Hawkinsville. Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  HSC71257  Keckiella corymbosa J. P. Smith, Steve Selva 1970-6-15 3925 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS82429  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou n side Black Mt.; Marble Mountain Wilderness Area 1981 Comment
  UC1023831  Kelloggia galioides Douglas Barbe 1955-7-26 289 Siskiyou w of Scott Mt. summit 2042 Comment
  SEINET10606857  Koeleria macrantha Louis C. Wheeler 1935-6-30 Wheeler 3630 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  UC1023729  Kyhosia bolanderi W. B. Cooke 1941-8-8 16165 Siskiyou Wagon Camp; Mount Shasta Comment
  CHSC114163  Lactuca serriola Barbara L. Wilson 2011-8-23 16860 Siskiyou Road 2M22 near Lake Siskiyou. 996 Comment
  JEPS109402  Lactuca serriola Dean W. Taylor 2004-7-19 19182 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  HSC68175  Lagophylla ramosissima J. P. Smith, J. O. Sawyer 1972-9-14 5799 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  POM30798  Lagophylla ramosissima Geo D. Butler 1910-6-2 1448 Siskiyou Yreka. Comment
  POM361466  Lagophylla ramosissima L. C. Wheeler 1934-6-2 2608 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC204983  Lathyrus jepsonii var. californicus Alice Eastwood 1921-7-30 10998 Siskiyou Soda Creek Comment
  JEPS55248  Lathyrus jepsonii var. californicus W. L. Jepson 1894-8-9 13617 Siskiyou Shasta Springs Comment
  JEPS117619  Lemna gibba Lowell Ahart, John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, 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) sou 716 Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  CAS-BOT-BC88864  Lepidium campestre Alice Eastwood 1923-5-18 11835 Siskiyou Shasta Springs. Comment
  UC375301  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  CDA3794  Lepidium latifolium J. R. Grisham 1966-7-12 Siskiyou Mt. Shasta off-ramp of Interstate Freeway at Mt. Shasta City. 0 Comment
  CAS-BOT-BC12833  Lepidium perfoliatum L. E. Smith 1915-5-1 s.n. Siskiyou Hilt. Comment
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  HSC6830  Lepidium virginicum D. M. Thomson 1965-7-10 124 Siskiyou California Lava Beds National Monument, by Information Center, next to parking lot Comment
  JEPS2687 Image available Leptodactylon pungens W. L. Jepson 1940-6-23 19994 Siskiyou (e of) Mayten; Little Shasta Valley Comment
  CHSC40747  Leptosiphon ciliatus A. A. Heller 1938-7-12 15247 Siskiyou Five miles north of Weed on U.S. Highway #97. Comment
  HSC229  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public campground 1524 Comment
  CHSC79465  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Near roadside, at intersection of Hwy 3 and Callahan/ Gazelle Rd. 1000 Comment
  CAS-BOT-BC341902  Lessingia nemaclada Elmer I. Applegate 1923-9-7 3948 Siskiyou Doggett Creek, Klamath River canyon Comment
  HSC2262  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley. Comment
  SEINET3887016 Image available Leucocrinum montanum D. E. Bright 1961-6-15 194 Siskiyou 5 miles west of Bray, California.; 0 Comment
  CAS-BOT-BC58265  Leucothoe davisiae Walter Knight; Irja Knight 1983-9-16 4934 Siskiyou Outflow at Cliff lake, upper Sacramento River watershed. 1767 Comment
  RSA211450  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  SEINET2029206 Image available Leucothoe davisiae John P. Young 1921-9-15 s.n. Siskiyou Etna Mills Comment
  HSC4438  Lewisia cotyledon William J. Ferlatte 1967-7-26 744 Siskiyou Caribou Basin 1982 Comment
  HSC76700  Lewisia cotyledon K. T. Stillman 1976-8-7 215 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  RSA464463  Lewisia cotyledon L. C. Wheeler 1934-8-2 3034 Siskiyou Head of Rocky Gulch of Jaynes Canyon. Mt. Diablo Mer. 2134 Comment
  SEINET11942479  Lewisia cotyledon H. P. Chandler 1901-1 1594 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  HSC29488  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  JEPS84275  Lewisia leeana L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6412 Siskiyou ca 5 mi n town of Seiad Valley (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  HSC22475  Lewisia leeana J. O. Sawyer 1969-7-1 979 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  SBBG124419  Lewisia leeana C. B. Hardham 1961-7-1 8011 Siskiyou White Mtn, just below summit 1981 Comment
  SEINET11942480  Lewisia leeana J. G. Lemmon n d s.n. Siskiyou above Castle Lake, near Shasta Comment
  UC52210  Lewisia rediviva W. T. Mooney 1908-5-28 Siskiyou Yreka Comment
  RSA237364  Lewisia triphylla Frederick W. Oettinger 1967-7-8 153 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-BC283817  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  RSA715805  Leymus cinereus L. Ahart, John Dittes 2005-6-10 12109 Siskiyou 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC1037117  Leymus cinereus Leo Whitney 1934-6-29 2250 Siskiyou near Tennant; Antelope Creek 1463 Comment
  JEPS68580  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou near Yreka Comment
  CAS-BOT-BC436535  Ligusticum californicum John Thomas Howell 1939-8-2 14888 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  UC572969  Lilaeopsis occidentalis Louis C. Wheeler 1935-7-3 3645 Siskiyou 2 mi. n.w. Montague; Shasta R. 762 Comment
  HSC66238  Lilium bolanderi Maralyn A. Renner 1980-9-1 2736 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  HSC67682  Lilium kelleyanum John S. Palmer 1980-7-24 623 Siskiyou Elk Hole 1503 Comment
  SEINET8377150  Lilium pardalinum L. Beane Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99. Comment
  HSC2242  Lilium pardalinum subsp. vollmeri Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  UC3744  Lilium rubescens State Survey 1800-1 1435 Siskiyou Strawberry Valley; Mount Shasta 1219 Comment
  RSA761678  Lilium washingtonianum subsp. purpurascens Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63356 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA74742  Lilium washingtonianum var. washingtonianum Albert M. Vollmer, L. Beane 1951-07 186 Siskiyou Mt. Shasta Comment
  NY319773  Lilium wigginsii L. Beane 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border W of Highway 99. Comment
  JEPS44109  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  POM252798  Linanthus pungens subsp. pulchriflorus A. A. Heller 1938-7-12 15254 Siskiyou Near the western base of Deer Mountain Comment
  RSA139020  Linaria dalmatica T. C. Fuller 1960-6-30 4646 Siskiyou Just N/Forest Service Station, Mt. Hebron. Comment
  JEPS83865  Linnaea borealis var. longiflora Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (near Spring); Siskiyou Mts., vicinity Cook and Green Pass 1463 Comment
  UC22857  Linnaea borealis var. longiflora C. B. Bradley 1879-1 Siskiyou near Mt. Shasta; near Mt. Shasta Comment
  UC4707  Listera convallarioides C. B. Bradley 1897-1 Siskiyou Comment
  SEINET12030465  Lithocarpus densiflorus M. Ownbey, Meyer, F. G. 1940-1 2163 Siskiyou 7mi NW of McCloud Comment
  CAS-BOT-BC36008  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1912-8-28 1949 Siskiyou Cantara Comment
  CAS-BOT-BC36542  Lithocarpus densiflorus var. echinoides L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  HSC64132  Lithophragma affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA25411  Lithophragma affine T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CHSC27759  Lithophragma glabrum William Frank 1978-4-1 3 Siskiyou Scattered throughout foothills facing s Lake Shastina via public fishing access road ca. 3 miles to end. Comment
  CHSC86635  Lithophragma parviflorum Jenny Marr 1993-7-1 18 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET6032583  Lithophragma parviflorum G. D. Butler 1910-5-8 1307 Siskiyou Near Yreka Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  CDA38466  Lomatium macrocarpum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2787 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  CHSC192  Lonicera ciliosa V. Holt 1932-6-26 Siskiyou Mt. Eddy 914 Comment
  UC164429  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain 1219 Comment
  LA205969  Lonicera conjugialis W. B. C.; 1939-7-7 sn Siskiyou Mount Shasta, between Wagon Camp and Bear Springs 1615 Comment
  RSA211259  Lonicera conjugialis William J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin. Broad, open basin with scattered meadows and bare rock surfaces; Trinity Alps. 1982 Comment
  UC1190106  Lonicera conjugialis Ira L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC240841  Lonicera interrupta Carl B. Wolf 1927-8-26 1029 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA610629  Lonicera interrupta L. C. Wheeler 1934-6-26 2784 Siskiyou Klamath River at Camp Lower; Siskiyou Mts. Mt. Diablo Mer. 762 Comment
  CAS-BOT-BC243924  Lonicera involucrata var. involucrata Dorothy Parker 1950-6-7 456 Siskiyou Along Scott River 853 Comment
  JEPS16020  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  POM27063  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  JEPS55517  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou along road to Goosenest Mtn. Comment
  POM27601  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest Foothills. Comment
  JEPS75659  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou Yreka Comment
  JEPS87893  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou 0.5 mi ne of Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Road 26 to Mount Shasta); Gumboot Creek, Forest Road 26 1783 Comment
  UC726478  Lotus purshianus var. purshianus A. A. Heller 1919-6-30 13288 Siskiyou near Durney's Mill Comment
  UC862222  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12116 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  POM38070  Ludwigia palustris var. pacifica Geo. D. Butler 1910-7-16 1791 Siskiyou Oro Fino Comment
  CAS-BOT-BC140208  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-22 5838 Siskiyou On trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  HSC4896  Luetkea pectinata J. O. Sawyer 1968-7-9 426 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA215614  Luetkea pectinata Gilbert Muth 1969-8-10 1330 Siskiyou Ridge W of Boulder Peak. 2348 Comment
  JEPS81101  Luina hypoleuca D. H. Norris 1970-5-23 12243 Siskiyou near Somes Bar (at Ishi Pishi Bridge, along Klamath River); Klamath River Comment
  SD53402  Lupinus Darley F. Howe 1962-8-6 3400 Siskiyou Mt. Shasta 2438 Comment
  SEINET5766877 Image available Lupinus albicaulis var. shastensis A. A. Heller 1915-1 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  UC157023  Lupinus albicaulis var. shastensis Geo. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley Comment
  SEINET11071672 Image available Lupinus albicaulis var. shastensis A. A. Heller 1905-1 8024 Siskiyou Shasta Springs Comment
  CAS-BOT-BC196327  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49133 Siskiyou Highway 99 - Chafron Auto Camp, Klamath River Canyon Comment
  HSC70489  Lupinus andersonii J. P. Smith 1973-5-5 6515 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA104556  Lupinus andersonii var. andersonii Leland S. Smith 1913-5-4 62032 Siskiyou Hornbrook Comment
  UC156981  Lupinus argenteus Geo. D. Butler 1910-8-18 1842 Siskiyou Shasta Valley Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  UC725887  Lupinus argenteus A. A. Heller 1940-7-23 15759 Siskiyou on U.S. Highway #97, 2 mi s Grass Lake; s of Grass Lake Comment
  UC1607589  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1889 Comment
  CAS-BOT-BC215187  Lupinus croceus H. E. Brown No date on label 395 Siskiyou N side of Mount Shasta Comment
  UC157009  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  HSC92404  Lupinus lapidicola Jennifer Whipple 1976-6-11 965 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC1409330  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Upper meadow near Tobacco Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  JEPS83226  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Butler's Ranch Quartz Valley; , Butler's Ranch Comment
  JEPS83242  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  OBI59149  Lupinus leucophyllus Rhonda Riggins 1993-6-17 1687 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  POM10806  Lupinus leucophyllus C. F. Baker 1903-7-14 3518 Siskiyou Klamathon 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
  SEINET10488769  Lupinus luteolus James P. Smith, Steven B. Selva 1970-8-9 Smith, Jr. 4576 Siskiyou T.46n, r.2w, sec.14. Disturbed roadside in potato fields w of macdoel. Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  UC156994  Lupinus microcarpus var. microcarpus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  UC1481908  Lupinus nanus K. Morris, Conrad and Dunn 1973-6-2 372 Siskiyou onwy 3 along roadside 0.7 mi s of junction at Etna Road Comment
  LA205154  Lupinus obtusilobus C. Smith; 1938-8-18 11508 Siskiyou Mount Shasta, in the vincinity of Horse Camp 2438 Comment
  JEPS65410  Lupinus onustus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  HSC32760  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou W of English Lake 1799 Comment
  RSA582454  Lupinus polyphyllus subsp. polyphyllus Louis C. Wheeler 1935-6-13 3572 Siskiyou Mill Creek, Quartz Valley. 884 Comment
  HSC71437  Lupinus sellulus var. artulus J. P. Smith, Steve Selva 1970-8-8 4561 Siskiyou Comment
  SEINET10490229  Lupinus sellulus var. artulus H. Dearing, M. Dearing 1939-6-5 Dearing 3552 Siskiyou Mccloud. Wet places. 1067 Comment
  HSC65585  Lupinus sellulus var. lobbii Donald W. Miles 1979-7-27 26 Siskiyou Big Sand Flat, 2 mi. E of Harris Springs Rd., 10 mi. NE of Bartle. 1393 Comment
  NY16054  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  JEPS66700  Luzula comosa var. laxa B. C. Goldsmith 1916-9-29 33 Siskiyou Medicine Lake Comment
  UC594415  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mts. 1463 Comment
  RSA105371  Luzula divaricata G. D. Barbe 1955-8-5 361 Siskiyou Growing along the trail from Big Flat to Caribou Lake at a point northwest of the summit of Caribou Mtn. Salmon Mountains. 2409 Comment
  HSC69538  Luzula parviflora Maralyn A. Renner 1980-8-6 2250 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CDA5122  Lythrum salicaria J. R. Keck Jr., J. Massey 1985-8-7 PDR# 330138 Siskiyou Tulelake Wildlife Refuge. 0 Comment
  UCD102934  Lythrum salicaria B. Meyers-Rice 2000-7-29 MR- 701 Siskiyou Lower Klamath National Wildlife Refuge. 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
  UC165406  Madia citriodora Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  CAS-BOT-BC343993  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 548 Comment
  SD76182  Madia elegans subsp. densifolia Helen V. Witham 1969-10-7 572 Siskiyou Scott River, 10 miles west of Fort Jones 700 Comment
  UC830861  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek Siskiyou Mts., Mt. Diablo Mer. 1859 Comment
  UCD134273  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  CAS-BOT-BC343429  Madia gracilis Alice Eastwood 1917-9-2 6638 Siskiyou Shasta Springs Comment
  CAS-BOT-BC343425  Madia gracilis L. E. Smith 1915-6-15 s.n. Siskiyou Sisson Comment
  RSA11146  Madia gracilis subsp. gracilis C. B. Wolf 1934-7-6 5981 Siskiyou 1/4 mile east of Mt. Shasta City 1067 Comment
  RSA237501  Madia gracilis subsp. gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA120923  Madia minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mountains Comment
  CAS-BOT-BC512761  Maianthemum racemosum subsp. amplexicaule Wm. Bridge Cooke 1938-6-17 11012 Siskiyou Mount Shasta, Sisson Southern Trail 1524 Comment
  HSC27662  Maianthemum racemosum subsp. amplexicaule Carl W. Mize 1972-6-22 92 Siskiyou Cut bank 1/2 way up Offield Mtn. 1006 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  HSC30445  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CHSC75681  Malacothrix clevelandii Vernon H. Oswald; Lowell Ahart 1999-7-5 9795 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  CAS-BOT-BC347358  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  UCD134462  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC269233  Melica aristata H. S. Yates 1936-6-21 5833 Siskiyou One mile southwest of Signal Butte 1341 Comment
  LA12116  Melica aristata J. R. Swallen; 1939-7-28 13783 Siskiyou Mount Shasta, vicinity of MacBride Springs 1523 Comment
  UCD86255  Melica aristata A. A. Heller 1921-7-5 13563 Siskiyou Chico State College grounds. North of Sisson (Mt. Shasta City). Comment
  HSC92632  Melica fugax Jennifer Whipple 1978-7-20 2357 Siskiyou SE facing slopes draining into the N fork of the Sacramento River. 2378 Comment
  UCD87367  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3438 Siskiyou Near Happy Camp. Klamath River. Comment
  UCD88285  Melica stricta AHM 1957-7-24 57 T Siskiyou On the border of Trinity County. Head of Bear Creek trail to Toad Lake Shasta National Forest, S. of Mt. Eddy. 2346 Comment
  UCD88598  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3447 Siskiyou 11 miles north of Happy Camp, banks of Indian Creek. Comment
  CDA30915  Melilotus albus M. Beyers, G. F. Hrusa 2010-8-18 704 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UCR143376  Mentha spicata L. C. Wheeler 1934-9-22 3301 Siskiyou Siskiyou Mtns, Walker, Klamath River 518 Comment
  POM83506  Mentzelia laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou Dry land near Yreka. Comment
  CAS-BOT-BC429155  Micranthes odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower Creek on trail to Blk. Mt. Comment
  UC166150  Micropus californicus var. californicus Geo. D. Butler 1909-5-30 990 Siskiyou near Yreka Comment
  CAS-BOT-BC348423  Micropus californicus var. californicus L. E. Smith 1913-4-23 s.n. Siskiyou Hornbrook Comment
  SEINET11601919 Image available Microseris laciniata G. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  CAS-BOT-BC349373  Microseris nutans L. E. Smith 1913-5-12 203 Siskiyou Castle Creek Comment
  POM229878  Microseris nutans L. C. Wheeler 1935-6-13 3574 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  RSA211479  Microseris nutans William J. Ferlatte 1967-7-9 694 Siskiyou Trinity Alps, Kidd Creek Trail. 1677 Comment
  POM208258  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mountains; Mt. Diablo Mer. Head Jaynes Canyon. 1829 Comment
  JEPS10547  Mimulus breweri Milo S. Baker 1893-6 28 Siskiyou 6 mi w (below) Bartle's; McCloud River Comment
  JEPS93896  Mimulus evanescens Vernon H. Oswald and Lowell Ahart 1998-7-21 9359 Siskiyou ne of Weed, e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant Road; Old State Highway 1417 Comment
  HSC39828  Mimulus guttatus J. O. Sawyer 1969-7-26 1570 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  POM4  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson. [old name for Mount Shasta] Comment
  RSA237239  Mimulus guttatus Frederick W. Oettinger 1967-6-28 128 Siskiyou Mouth of Kelly Gulch, tributary of Salmon River. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  SEINET12270024  Mimulus guttatus H. P. Chandler 1901-1 1694 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  SEINET8383461  Mimulus guttatus L. E. Detling 1947-6-3 6082 Siskiyou Elk Cr., 1 1/2 mi. s.e. of Happy Camp. Comment
  UC637085  Mimulus inodorus Edward Lee 1934-8-12 1042 Siskiyou tributary Klamath River (mouth of creek, e end of valley); Seiad Valley, Walker Creek 426 Comment
  UC1034004  Mimulus microphyllus Francis W. Pennell Jul 16 1940-Jul 17 1940 26163 Siskiyou 5 mi sw yreka 914 Comment
  UC125269  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC96658  Mimulus nanus Thomas W. Nelson, Susan Erwin 2004-6-3 9220 Siskiyou Along Hwy. 3 at mile post 84.14, .3 mi. from Scott Mountain Pass 1552 Comment
  POM147660  Mimulus nanus var. jepsonii Alice Eastwood 1912-7-16 1143 Siskiyou Mt. Cloud. Comment
  RSA12622  Mimulus nanus var. nanus Carl B. Wolf 1934-7-5 5963 Siskiyou 3.6 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  HSC71101  Mimulus primuloides Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4507 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1063014  Mimulus primuloides L. Whitney 1934-6-10 1 Siskiyou Antelope Creek Dorris Quadrangle, Tennant 1463 Comment
  POM5108  Mimulus primuloides var. linearifolius E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy. 2287 Comment
  UC166130  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC181110  Minuartia nuttallii var. gregaria C. L. Hitchcock; J. S. Martin 1939-7-7 5279 Siskiyou 1/2 mile below Sanger Peak Lookout 1524 Comment
  SEINET4853160  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  POM266000  Mirabilis greenei Lincoln Constance, Reed Rollins 1942-5-14 s.n. Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  POM141790  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  JEPS8484  Mitella trifida Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3448 Siskiyou near Poker Flat (near summit of Takilma - Happy Camp road over Siskiyou Mountains, Del Norte - Siskiyou County line); rd over Siskiyou Mountains 1539 Comment
  HSC4915  Moehringia macrophylla J. O. Sawyer 1968-7-2 375 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC222027  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC54605  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock June 1903 4057 Siskiyou Sisson Sierra Nevada Mts., Mt. Shasta, Sisson 1036 Comment
  CAS-BOT-BC222031  Monardella odoratissima subsp. glauca G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC220363  Monardella odoratissima subsp. pallida Alice Eastwood 1921-7-29 10978 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC222167  Monardella odoratissima subsp. pallida A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  HSC2412  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn. 2470 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
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET10582084  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 349 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  RSA0022798  Monardella villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch. 671 Comment
  CAS-BOT-BC453476  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain, east of Medicine Lake 2133 Comment
  RSA256711  Montia chamissoi J. P. Smith 1974-5-25 7469 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CAS-BOT-BC444878  Montia fontana L. R. Abrams 1926-7-4 11224 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  UC1408938  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou s of Abbott's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  HSC22223  Montia parvifolia J. O. Sawyer 1969-7-10 1293 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  RSA115546  Muhlenbergia filiformis Beecher Crampton 1956-8-22 3859 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  UCD37083  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3822 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  CAS-BOT-BC267040  Muhlenbergia filiformis Copeland 1903-9-5 s.n. Siskiyou Igerna Comment
  CAS-BOT-BC262585  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 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
  HSC22179  Muhlenbergia montana J. O. Sawyer 1969-7-10 1304 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  RSA211316  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC1265443  Muhlenbergia montana F. W. Oettinger 1968-9-7 753 Siskiyou granite slope at n end Hancock Lake; Salmon Mountains 1950 Comment
  SEINET515841  Muhlenbergia richardsonis Vernon Oswald 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1756 Comment
  POM215850  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  HSC62452  Navarretia capillaris Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley. 1524 Comment
  JEPS84255  Navarretia capillaris L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6368 Siskiyou ca 1/2 mi e Red Butte Summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass, e of Red Butt 1900 Comment
  UC648274  Navarretia capillaris John Thomas Howell 1939-8-10 15258 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) Comment
  UC908380  Navarretia divaricata W. Bridge Cooke 1938-7-29 11405 Siskiyou Mt. Shasta 1524 Comment
  CHSC86626  Navarretia intertexta subsp. intertexta Jenny Marr 1993-7-1 9 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC230560  Nemophila parviflora var. austiniae Harley P. Chandler 1901-6-1 1649 Siskiyou Marble Mountain 2286 Comment
  POM211189  Nicotiana bigelovii Louis C. Wheeler 1934-9-17 3273 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt Diablo Mer) 610 Comment
  CAS-BOT-BC60588  Noccaea fendleri subsp. glauca A. M. Vollmer 1951-5-31 23 Siskiyou Scott Mountain. Comment
  HSC23605  Nothochelone nemorosa J. O. Sawyer 1970-7-15 2349 Siskiyou Above Bear Lake 1585 Comment
  UC1238904  Nothochelone nemorosa Freed W. Hoffman 1951-7-15 4026 Siskiyou near Packers' Valley (North Coast Ranges, Marble Mountain); North Coast Ranges, Marble Mountain Comment
  JEPS84081  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6402 Siskiyou 5 mi n of town of Seiad Valley (above and w of Lily Pad Lake) 1850 Comment
  RSA238825  Nothochelone nemorosa Frederick W. Oettinger 1967-7-30 225 Siskiyou Between Abbott's Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  HSC29349  Nuphar polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou Marble Mtns. Wilderness Area, E side of English Lake 1753 Comment
  UC61691  Oenothera elata subsp. hirsutissima Geo. B. Grant September 1902 5225 Siskiyou Sisson Mt. Shasta 914 Comment
  OBI5240  Onopordum tauricum W. T. Parsons & T. C. Fuller, T. C. Fuller 1960-7-26 4878 Siskiyou Around an old barnyard, F. Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca 15 mi SW of Dorris Comment
  JEPS107393  Opuntia fragilis Lowell Ahart, John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC500192  Orobanche fasciculata A. M. Vollmer; L. Beane 1951-6-2 83 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA0059236  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mountains. 1829 Comment
  RSA164341  Orogenia fusiformis Clare B. Hardham 1961-6-30 s.n. Siskiyou [no locality information provided] 1829 Comment
  CAS-BOT-BC458072  Orthilia secunda Maxine Wilkes 1940-8-18 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC94552  Orthilia secunda R. C. Wenk 2006-9-2 554 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  HSC19210  Orthilia secunda J. O. Sawyer 1968-6-25 316 Siskiyou Along Horse Range Creek 1829 Comment
  HSC60914  Orthilia secunda Al Hobart Siskiyou Black Butte Comment
  UC1408765  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou North of English Peak on way down to Upper English Lake. 1950 Comment
  UC166594  Orthilia secunda Geo. D. Butler 1908-8-4 57 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  CAS-BOT-BC458089  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  JEPS74483  Orthocarpus cuspidatus subsp. copelandii W. J. Ferlatte 1966-8-2 238 Siskiyou Big Flat; Trinity Alps, Big Flat 1524 Comment
  JEPS84024  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from of Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 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
  UC718019  Orthocarpus cuspidatus subsp. copelandii Carl B. Wolf 1934-7-4 5938 Siskiyou 13.5 mi from Horse Creek Bridge (Horse Creek--Dry Lake Lookout); Siskiyou Mountains, Klamath River, Horse Creek, Dry Lake 1524 Comment
  UCR101775  Orthocarpus cuspidatus subsp. copelandii L. C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  RSA237568  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -b Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SJSU3582  Orthocarpus imbricatus M. D. Fleschner 1965-7-14 140 Siskiyou c. 3 mi SE of Bartle on State Rte 89 1219 Comment
  NY90857  Orthocarpus pachystachyus E. L. Greene 1876-5-26 s.n. Siskiyou Comment
  HSC4882  Osmorhiza occidentalis J. O. Sawyer 1968-7-23 617 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC73996  Osmorhiza purpurea Gail Newton 1980-6-20 510 Siskiyou Near Bald Mtn. 1097 Comment
  RSA604465  Oxalis trilliifolia Louis C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UCD127817  Oxypolis occidentalis A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's ranch, northeast base of Mount Eddy. 1188 Comment
  HSC76953  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS94100  Panicum capillare Vernon H. Oswald and Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir; Julia Glover Flat 1112 Comment
  CAS-BOT-BC253763  Panicum capillare David D. Keck 1938-8-7 4856 Siskiyou Scott Mountain Lodge, 2 miles E of Callahan, on E Fork of Scott River at junction with Mill Creek 1000 Comment
  RSA211096  Parnassia cirrata var. intermedia William J. Ferlatte 1967-8-20 1060 Siskiyou A flora of the Trinity Alps: Caribou Basin, Sawtooth Ridge; Steep north facing slope. 2043 Comment
  CHSC1647  Parnassia fimbriata V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  POM142860  Parnassia palustris var. californica E. B. Copeland 1903-9-6 s.n. Siskiyou Mt. Eddy. Comment
  UC1608338  Paxistima myrsinites J. Kierstead 1990-5-8 90 -61 Siskiyou McCloud Ranger District, Lower Falls of McCloud River Shasta-Trinity Nat'l Forests, McCloud Ranger District 975 Comment
  RSA758226  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SJSU2595  Pectiantia pentandra H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts 1219 Comment
Read comments
Jan 11 2010
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  CHSC1834  Pedicularis attollens V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1828 Comment
  UC1001155  Pedicularis attollens Dorothy Parker 1953-7-29 Siskiyou near the summit of Scott Mountain; Siskiyou Mountains, Scott Mountain 1630 Comment
  HSC806  Pedicularis bracteosa var. flavida William J. Ferlatte 1967-7-25 725 Siskiyou Caribou Basin 1982 Comment
  HSC66247  Pedicularis howellii Maralyn A. Renner 1980-7-24 2024 Siskiyou Lily Pad Lake 1768 Comment
  UC1239015  Pedicularis racemosa Freed W. Hoffman 1951-7-15 4053 Siskiyou w side of Kelsey Creek (Hammond Camp); North Coast Ranges, Marble Mountains 1524 Comment
  UC195478  Pedicularis racemosa A. A. Heller 1914-8-28 11726 Siskiyou e side Mount Eddy 1524 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  CHSC62  Pellaea brachyptera V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  UC1874951  Pellaea brachyptera Ruth Kirkpatrick 2003-8-1 1175 Siskiyou 7 air mi NNE of Seiad Valley. Along Seiad Creek Road (FS Road 48N20). East Fork of Seiad Creek. 1 air mile W of Copper Butte. 1396 Comment
  UC812362  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Trapper Creek; Siskiyou Mts 1371 Comment
  RSA686824  Pellaea breweri M. B. Dunkle 1945-1 9216 Siskiyou Canyon Creek. Klamath National Forest, Marble Mtns. Comment
  UC195210  Penstemon Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  UCR30486  Penstemon anguineus John C. Roos 1948-9-1 3945 Siskiyou 10 mi. SW of Etna Comment
  HSC30870  Penstemon anguineus Melinda F. Denton 1973-6-27 2812 Siskiyou Klamath National Forest, 1.4 mi. SE of Siskiyou-Del Norte Co. lines on Rd. 1916, 3 mi. S of OR-CA border 1476 Comment
  JEPS44100  Penstemon cinereus W. B. and V. G. Cooke 1965-7-12 35190 Siskiyou Bolam Road Mt. Shasta, Bolam Road Comment
  UC1238935  Penstemon cinereus Freed W. Hoffman 1948-7-12 2456 Siskiyou Little Shasta River 22.8 mi e Montague (Lava Flow); North Coast Ranges, Little Shasta River, Lava flow 1584 Comment
  JEPS101584  Penstemon cinicola Dean W. Taylor 1987-6-26 9068 Siskiyou meadow 0.5 miles West of west end Medicine Lake, 2042 Comment
  UC1258458  Penstemon cinicola J. Sawyer and J. Cole 1980-7-20 3782 Siskiyou s of Grouse Hill (at n base of Badger Peak, Klamath National Forest); Klamath National Forest, Badger Peak 2145 Comment
  CAS-BOT-BC265377  Penstemon davidsonii var. davidsonii Robert T. Clausen July 27 4977 Siskiyou W fork of Mountainhouse Creek, 3 miles NNE of summit of Mount Shasta 2438 Comment
  NY590160  Penstemon davidsonii var. davidsonii D. D. Keck 1927-8-17 1310 Siskiyou Horse Camp, on south side of Mount Shasta. Timberline here. 2470 Comment
  HSC40222  Penstemon deustus J. P. Smith 1976-5-22 8787 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  HSC58887  Penstemon deustus Marvin Butler 1971-7-12 117 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  HSC72491  Penstemon deustus J. P. Smith, Steve Selva 1970-6-16 4073 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UC1063376  Penstemon deustus H. S. Yates 1936-6-21 5830 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  UC1409427  Penstemon deustus var. pedicellatus Frederick W. Oettinger 1968-8-15 524 Siskiyou e Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CHSC67046  Penstemon gracilentus Marion Ownbey; Fred G. Meyer 1940-7-3 2195 Siskiyou Near the timber line on east side of Mt. Shasta. Comment
  OBI9277  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt. Shasta, along John S. Everett Memorial hwy 2134 Comment
  UC727354  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  UCD124177  Penstemon gracilentus Jack Major 1961-7-14 653 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  NY600699  Penstemon gracilentus K. A. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  CHSC97345  Penstemon heterodoxus var. shastensis Jenny Marr 2006-6-18 232 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  SBBG7166  Penstemon laetus H. and M. Dearing 1939-6-3 3537 Siskiyou near Scott Bar, Scott River Comment
  JEPS11612  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20026 Siskiyou Andesite Sta. n of Mt. Shasta, Andesite Sta. 975 Comment
  NY604550  Penstemon laetus var. sagittatus J. W. Thompson 1936-7-8 13152 Siskiyou Lava Beds National Monument Comment
  SEINET11053338  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  UC1034026  Penstemon laetus var. sagittatus Francis W. Pennell 1940-7-19 26193 Siskiyou southwestern slope Mount Shasta; sw slope of Mount Shasta 1676 Comment
  NY604574  Penstemon laetus var. sagittatus W. B. Cooke 1975-9-3 50481 Siskiyou Above Andesite Station in pine plantation, Mount Shasta Comment
  RSA300514  Penstemon laetus var. sagittatus John Dourley, Walter Wisura 1982-10-17 3881 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  HSC86631  Penstemon newberryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2134 Comment
  RSA401783  Penstemon newberryi Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  SEINET270928  Penstemon newberryi Richard J. Shaw 1963-6-10 1293 Siskiyou Old highway 99 2 miles south of Weed. Comment
  HSC4836  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-23 613 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA150583  Penstemon newberryi subsp. newberryi Lee W. Lenz 1961-6-21 24354 Siskiyou Rd to Panther Flat, Mt Shasta. 1585 Comment
  NY627428  Penstemon newberryi var. berryi F. M. Ownbey 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at Summit, Marble Mountain Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  UC335593  Penstemon newberryi var. newberryi unknown Aug. 1878 Siskiyou Shasta Comment
  UC1238926  Penstemon parvulus Freed W. Hoffman 1948-7-6 2410 Siskiyou summit of Scott Mountain road North Coast Ranges, summit Scott Mountain road 1630 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  RSA238763  Penstemon parvulus Frederick W. Oettinger 1967-8-13 263 Siskiyou 1/8 miles east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2037 Comment
  POM259368  Penstemon procerus subsp. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains: Black Mountain. Comment
  NY638941  Penstemon procerus var. brachyanthus M. F. Denton 1973-6-30 2962 Siskiyou Klamath National Forest; Young's Valley, ca. 5 m south of Sanger Lake, on trail up El Capitan 1432.6 Comment
  JEPS11515  Penstemon roezlii Geo. D. Butler 1909-6-22 933 Siskiyou Goosenest Mountain Comment
  HSC61156  Penstemon rupicola Al Hobart Siskiyou El Capitan Comment
  JEPS52293  Penstemon speciosus Wayne Roderick 1963-6-13 Siskiyou sw edge of town of Etna , sw edge of town of Etna (Scott Valley) 914 Comment
  RSA12669  Penstemon speciosus Carl B. Wolf 1934-7-6 6025 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  SBBG82056  Penstemon speciosus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  HSC21060  Penstemon speciosus R. C. Wunner 1965-6-29 291 Siskiyou California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction 1616 Comment
  HSC1096  Pentagramma triangularis R. C. Wunner 1965-8-21 461 Siskiyou Lava Beds National Mon., Valentine Cave Comment
  CHSC91237  Perideridia lemmonii Lowell Ahart; John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UCR52566  Perideridia oregana Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  UC1114763  Perideridia parishii subsp. latifolia W. Bridge Cooke 1956-7-19 30310 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  CAS-BOT-BC423363  Peritoma serrulata Elmer I. Applegate 1923-8-21 3927 Siskiyou South end of Little Klamath Lake Comment
  SEINET3924776  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek.; 0 671 Comment
  HSC13621  Phacelia bicolor D. M. Thomson 1965-8-21 207 Siskiyou California Lava Beds National Monument, top of petroglyphs section Comment
  CDA15529  Phacelia bolanderi G. F. Hrusa 1998-7-5 14697 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  HSC97703  Phacelia cookei Thomas W. Nelson, Jane Nelson 2006-7-1 9450 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  JEPS95406  Phacelia hastata subsp. hastata Vernon H. Oswald and L. Ahart 1994-8-10 6449 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  HSC13653  Phacelia hastata var. hastata R. C. Wunner 1965-7-9 371 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  JEPS82726  Phacelia humilis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2133 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  CHSC71304  Phacelia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9182 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS94264  Phacelia linearis Vernon H. Oswald and Lowell Ahart 1998-6-11 9182 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UCR93374  Phacelia linearis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  RSA59806  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, road from Schonchin Butte to Capt. Jack s Stronghold, Lava Bed National Monument. 1494 Comment
  RSA12501  Phacelia mutabilis Carl B. Wolf 1934-7-4 5935 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  RSA238836  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou Just below Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1212564  Phacelia mutabilis Francia Chisaki and Helen Sharsmith 1959-8-20 4731 Siskiyou rock outcrop on Carrigher's Summit Inner North Coast Ranges (divide between Scott River and East Fork Salmon River) 1981 Comment
  HSC27649  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 6 Siskiyou Along main trail 335 Comment
  UC1473424  Phacelia pringlei Gilbert Jerome Muth 1978-8-2 7340 Siskiyou near Cabin Meadow Creek (close to town of Callahan); China Mt. Quadrangle 1853 Comment
  UC909517  Phacelia pringlei Ira L. Wiggins 1950-5-28 12385 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  JEPS80594  Phacelia procera Gilbert Muth 1966-8-3 496 Siskiyou off trail to 4 corners Marble Mt. Wilderness Area, Marble 1792 Comment
  JEPS107962  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 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
  HSC67974  Philadelphus californicus J. P. Smith, Steve Selva 1970-6-14 3890 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  JEPS80576  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou down creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  RSA0058048  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Oak Knoll Ranger Station, on Klamath River. 671 Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  UC726850  Phlox diffusa A. A. Heller 1940-7-25 15768 Siskiyou just above Horse Camp; Mt. Shasta 2438 Comment
  RSA78684  Phlox diffusa subsp. diffusa P. A. Munz 1952-7-2 17881 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC1540012  Phlox douglasii subsp. rigida M. Mitchell 1931-5-8 1 Siskiyou Lava Beds National Monument 1432 Comment
  UC880428  Phlox douglasii subsp. rigida L. E. Smith 1913-1 Siskiyou Mt. Shasta Comment
  UC880435  Phlox douglasii subsp. rigida A. A. Heller 1915-7-15 12084 Siskiyou Mt. Eddy 2072 Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  UC1442633  Phlox hirsuta William J. Ferlatte 1978-5-28 1904 Siskiyou 0.4 mi e Interstate 5 (0.2 mi n of Hwy 3 on way to Montague, hills n of Yreka) 830 Comment
  UCSB21823  Phlox hoodii Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  JEPS69984  Phlox speciosa subsp. occidentalis J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  RSA47600  Phlox speciosa subsp. occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-12 11848 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  UCD77915  Phoenicaulis cheiranthoides Robert E. Preston 2002-6-20 1861 Siskiyou Klamath National Forest, Rainbow Mountain W ridge, on E-facing slope 1960 Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  CAS-BOT-BC171213  Phoradendron serotinum subsp. tomentosum W. R. Dudley 1901-8-26 s.n. Siskiyou W of Gazelle Comment
  CAS-BOT-BC56503  Phyllodoce empetriformis J. W. Congdon 1900-8-13 s.n. Siskiyou Mt. Shasta Comment
  UC562495  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, at extreme head of West Fork of Knownothin Creek, between Salmon and New Rivers West Fork Knownothin Creek; Rock Lake, West Fork Knownothin Creek 1889 Comment
  UC61670  Phyllodoce empetriformis Geo. B. Grant Sept, 1902 5122 Siskiyou Mount Shasta, Horse Camp Mount Shasta; , Horse Camp 2438 Comment
  SEINET7270871  Phyllodoce empetriformis H. A. Jensen 1933-9-5 s.n. Siskiyou Slope of Shastina 2591 Comment
  HSC76637  Physaria occidentalis K. T. Stillman 1976-6-25 59 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC140601  Physocarpus capitatus Doris K. Kildale 1939-8-24 9054 Siskiyou Youngs Valley, trail to Preston Peak 1371 Comment
  CAS-BOT-BC78176  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC705881  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou summit of Cayenne Ridge on w side Marble Mountain, Cayenne Ridge Comment
  SBBG33683  Picea breweriana W. Plumb 1969-9-25 Siskiyou ca. 1 mi on rd from Happy Camp to Oregon border Comment
  SEINET7368239 Image available Picea engelmannii L. E. Berriman 1940-1 Siskiyou Sugar Creek, a tributary of the Scott River (sec. 20 T 40 N R 9 W) Mount diable Meridian. 1433 Comment
  UC336825  Pinus albicaulis unknown 1988-9-11 Siskiyou Mt. Shasta Comment
  NY34644  Pinus attenuata C. G. Pringle 1881-8-17 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
  SEINET11526740  Pinus attenuata D. A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta, lower southern slopes along State Highway 89, from a few miles east of McLeod to a few miles west of Bartle. Comment
  UC1349434  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou e slope of dry ridge Siskiyou National Forest Comment
  CAS-BOT-BC78406  Pinus balfouriana W. R. Dudley 1899-8-15 s.n. Siskiyou summit of Black Butte Comment
  UC1452402  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-6-30 Siskiyou Mount Eddy; slope 2270 Comment
  UC55641  Pinus balfouriana Harley P. Chandler 1901-6-1 1683 Siskiyou Marble Mt. North Coast Ranges 2438 Comment
  CAS-BOT-BC78412  Pinus balfouriana Milo S. Baker Aug 8 246 a-'26 Siskiyou Saddle bet. Red Mt and Granite 2286 Comment
  CAS-BOT-BC73180  Pinus jeffreyi Ranger K. Fox 1939-8-22 13876 Siskiyou Mount Shasta, along the Everett Memorial Highway. 1981 Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  CAS-BOT-BC78778  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou Metcalf's [ranch] Ranch at the foot of Mt. Eddy 1188 Comment
  JEPS47927  Pinus lambertiana B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC1190124  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  CAS-BOT-BC78926  Pinus monticola W. B. C. 1938-9-17 11705 Siskiyou Slopes below Horse Camp 2133 Comment
  CAS-BOT-BC78952  Pinus monticola John Thomas Howell 1937-7-29 13666 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC78954  Pinus monticola Peter H. Raven 1956-9-5 10448 Siskiyou North Fork of Sacramento River 2194 Comment
  HSC29679  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Marble Mtn. Wilderness Area, ridge top E of Toms Upper Pond 2119 Comment
  HSC99613  Pinus monticola G. L. Clifton, Griswold 1979-6-28 6150 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC618594  Pinus monticola W. Bridge Cooke 1938-9-17 11705 Siskiyou slopes below Horse Camp; Mount Shasta 2133 Comment
  CAS-BOT-BC72870  Pinus ponderosa Doris K. Kildale 1928-7-3 5435 Siskiyou Forks of Salmon Comment
  RSA382785  Piperia elongata M. B. Dunkle 1944-7-18 9121 Siskiyou Deer Creek, Siskiyou National Forest Comment
  JEPS51259  Piperia unalascensis Al Hobart 1967-8-8 Siskiyou on the north face of El Capitan (western Siskiyou Mountains); western Siskiyou Mountains 1828 Comment
  CAS-BOT-BC231008  Plagiobothrys hispidulus A. A. Heller 1922-7-15 13712 Siskiyou Meadow at Medicine Lake 2133 Comment
  HSC29336  Plagiobothrys hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  SD64364  Plantago indica Darley F. Howe 1966-8-27 Siskiyou 8.5 miles north of Weed on Highway 97. 1189 Comment
  HSC69088  Platanthera sparsiflora Maralyn A. Renner 1980-8-6 2311 Siskiyou Cracker Meadow 1555 Comment
  HSC69399  Platanthera sparsiflora Maralyn A. Renner 1980-8-8 2443 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  CAS-BOT-BC136654  Platanthera stricta Louis C. Wheeler 1934-8-10 3092 Siskiyou Field redacted by CAS, contact the data manager for more information 1371 Comment
  JEPS69767  Pleuricospora fimbriolata W. B. and V. G. Cooke 1972-7-6 45463 Siskiyou Mount Shasta, Mud Creek Dam Road Mount Shasta; , Mud Creek Dam Road 1127 Comment
  HSC30473  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou Hill above Smith Lake , Salmon Mtns. 1418 Comment
  UC618751  Pleuricospora fimbriolata W. Bridge Cooke 1938-8-5 11460 Siskiyou Sisson Southern Trail, Canadian 1828 Comment
  RSA484227  Poa M. B. Dunkle 1945-1 9325 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  POM259586  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA239046  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCR266715  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou east side of Mt. Eddy 2439 Comment
  CAS-BOT-BC255000  Poa bulbosa Dorothy Parker 1949-4-19 75 Siskiyou McConachie Gulch, Scott Valley 883 Comment
  HSC73334  Poa compressa Gail Newton 1980-6-20 469 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS109712  Poa cusickii subsp. epilis Dean W. Taylor 2002-7-20 18265 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  CAS-BOT-BC246633  Poa howellii Alice Eastwood 1923-5-27 11950 Siskiyou Shasta Springs, on road to McCloud Comment
  UCD91091  Poa howellii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3429 Siskiyou 13 miles east of Hamburg, banks of the Klamath River. Comment
  NY431263  Poa howellii var. chandleri H. P. Chandler 06 1901 1703 Siskiyou North Coast Ranges: ridges and meadows near Marble Mountain 1524.0 Comment
  SEINET11683993  Poa howellii var. chandleri H. P. Chandler 1901-1 1703 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  CDA374  Poa pratensis G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2586 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. 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
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  RSA211236  Poa secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UCD90333  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3590 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  HSC102706  Poa secunda subsp. juncifolia J. P. Smith 2013-6-17 13739 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  UC167207  Poa secunda subsp. juncifolia Geo. D. Butler 1908-7-16 467 Siskiyou Klamath River Comment
  UCD77924  Poa secunda subsp. juncifolia Robert E. Preston 2001-6-23 1606 Siskiyou Klamath National Forest, N-facing slope of Rainbow Mtn. 2011 Comment
  HSC45896  Poa secunda subsp. juncifolia Laura Witherspoon 1978-7-13 34 Siskiyou 1 mi. SE of junction of State Hwy. 97 and F.S. Rd. 8Q01 (Tennant Rd.). 1478 Comment
  HSC41369  Poa secunda subsp. secunda J. P. Smith 1976-5-5 8708 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  CAS-BOT-BC244322  Podagrostis humilis Beecher Crampton 1956-8-21 3860 Siskiyou Panther Meadow, S slope of Mount Shasta 2316 Comment
  JEPS69921  Polemonium californicum Geo. D. Butler 1908-8-8 29 Siskiyou foot of bluff Marble Valley 1676 Comment
  UC933398  Polemonium californicum Annie M. Alexander and Louise Kellogg 1948-9-9 5608 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake 1828 Comment
  SEINET4244390 Image available Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou Paradise Lake, at base of King's Castle, east side of Marble Mountain Wilderness Area Comment
  UC107059  Polemonium carneum Thos. Howell 1889-5-10 1381 Siskiyou Hornbrook Comment
  JEPS69907  Polemonium micranthum Geo. D. Butler 1909-3-16 557 Siskiyou Yreka Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  UCD115149  Polyctenium fremontii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, southwest of Hebron summit. 1524 Comment
  CAS-BOT-BC170336  Polygala cornuta var. cornuta C. G. Pringle 1881-8-15 s.n. Siskiyou Pacific Slope Comment
  UC1034061  Polygala cornuta var. cornuta W. Bridge Cooke 1941-9-5 16259 Siskiyou along Sisson Southern Trail and Memorial Highway Mount Shasta 1371 Comment
  UC454757  Polygala cornuta var. cornuta I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  UC1408823  Polygonum bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou slope dropping down to Upper English Lake (near trail Y to English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC55513  Polygonum bistortoides Harley P. Chandler June, 1901 1708 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 1828 Comment
  JEPS74541  Polygonum davisiae W. J. Ferlatte 1966-7-6 186 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  HSC19292  Polygonum douglasii J. O. Sawyer 1969-7-24 1495 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS57136  Polygonum douglasii L. R. Heckard 1967-7-5 1603 A Siskiyou along Bolam logging rd. on n. side of Mt. Shasta 1524 Comment
  CAS-BOT-BC414596  Polygonum douglasii Louis C. Wheeler 1934-7-3 2859 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  CDA22794  Polygonum douglasii Don Shaw 1978-8-23 Siskiyou Cherry Farms, Macdoel. 0 Comment
  UC164462  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  UC171041  Polygonum douglasii subsp. spergulariiforme Dr. E. B. Copeland 1903-7-6 3499 Siskiyou Hornbrook Comment
  POM312533  Polygonum kelloggii H. L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake. Comment
  RSA237762  Polygonum kelloggii Frederick W. Oettinger 1967-8-7 1264 Siskiyou English Lake Meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC93007  Polygonum minimum Jennifer Whipple 1977-8-6 2230 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1026897  Polygonum minimum W. Bridge Cooke 1940-8-22 15486 Siskiyou Mount Shasta, Squaw Valley Creek 2438 Comment
  UC1408829  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side of creek bed, w Siskiyou Co.) 2042 Comment
  CAS-BOT-BC418588  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge; Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC418593  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  HSC32758  Polygonum minimum Frederick W. Oettinger 1968-8-11 471 Siskiyou Marble Mtn. Wilderness Area, NE side of creek bed, Tom Taylor Cabin 2043 Comment
  UC164403  Polygonum persicaria Geo. D. Butler 1908-7-8 194 Siskiyou along creek near Yreka Comment
  RSA0034881  Polygonum persicaria Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mountains. 670 Comment
  RSA237779  Polygonum persicaria Frederick W. Oettinger 1969-8-14 1565 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC1408817  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1216 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (base camp, w Siskiyou Co.) 1828 Comment
  CAS-BOT-BC109285  Polygonum shastense R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC95032  Polygonum shastense R. C. Wenk 2008-7-24 912 Siskiyou SW side of Mount Shasta, Panther Meadow 2255 Comment
  CHSC102557  Polygonum shastense L. P. Janeway 2009-8-3 9884 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CHSC1351  Polygonum shastense K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. Comment
  UC1188085  Polygonum shastense Philip A. Munz 1960-8-22 24182 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  HSC27015  Polygonum spergulariiforme J. P. Smith, J. O. Sawyer 1972-9-12 5766 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  HSC61162  Polypodium hesperium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC103017  Polypogon maritimus J. P. Smith 2014-6-6 13874 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CAS-BOT-BC237392  Polypogon monspeliensis D. H. Norris 1970-5-23 12248 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  POM215873  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  CAS-BOT-BC72394  Polystichum lemmonii Geo. D. Butler 1910-7-1 1756 Siskiyou Shackleford Creek 1371 Comment
  HSC79122  Polystichum lemmonii C. J. Thomas 1983-10-1 80 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM197154  Polystichum lemmonii J. G. Lemmon 1889-09 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC72401  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  LA204821  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-11 805 Siskiyou Kangaroo Lake (NE of Callahan), E side of lake 2133 Comment
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Oct 24 2014
  UC1597991  Polystichum munitum Alan R. Smith with Christopher Richard, C. Don MacNeill, and Bernard Stoffel 1993-5-9 2549 Siskiyou ca. 1/2 mi sw Three Sisters (Little Fern Cave, ca. 2 mi along rail to Three Sisters, n side of and immediately adjacent to trail); Lava Beds Nat'l Monument 1341 Comment
  JEPS83822  Polystichum scopulinum Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass (near Lily Pad Lake); Siskiyou Mts. 1828 Comment
  UC338398  Polystichum scopulinum unknown 1888-9-12 Siskiyou side of Shasta Comment
  HSC79142  Polystichum scopulinum C. J. Thomas 1983-10-1 92 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  HSC28674  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 1860 Comment
  CAS-BOT-BC102961  Populus trichocarpa Grant 1902-9-1 5230 Siskiyou Sisson 1127 Comment
  HSC29381  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  JEPS57173 Image available Potentilla cristae L. R. Heckard 1967-8-13 1702 Siskiyou Summit Region of Mount Eddy 2743 Comment
  UC538030 Image available Potentilla cristae David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
  HSC19187  Potentilla flabellifolia J. O. Sawyer 1968-7-9 434 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC69361  Potentilla flabellifolia Maralyn A. Renner 1980-8-19 2487 Siskiyou S side of Caribou Lake 2104 Comment
  CAS-BOT-BC143254  Potentilla flabellifolia H. A. Thomas; J. H. Thomas 1954-7-24 4494 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS93908  Potentilla fruticosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9439 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA12583  Potentilla glandulosa subsp. ashlandica Carl B. Wolf 1934-7-6 6003 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  POM88259  Potentilla glandulosa subsp. ashlandica Geo. D. Butler 1908-8-5 348 Siskiyou West Fork of Wooley Creek. 1677 Comment
  JEPS121622  Potentilla gracilis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. SW aspect. Mount Eddy quadrangle. TL04A Comment
  UC574873  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-23 13343 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC540553  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley 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
  JEPS47217  Potentilla gracilis var. gracilis Geo. D. Butler 1909-6-13 923 Siskiyou Oro Fino Comment
  SEINET13710513  Potentilla millefolia Lowell William Ahart, Lowell William Ahart 1998-1 9342 Siskiyou Me of Weed and E of Grass Lake on S Side of Tennant Rd. 0.2 Mi. of Old State Hwy. to Bray (T44N, R1W, sec 30, SE 1/4) 4600 Ft. 1402 Comment
  CHSC71326  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 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. Meadow near the edge of the lake. 1402 Comment
  RSA0021433  Prunella vulgaris Edwin Kline 1920-6-24 s.n. Siskiyou Yreka Creek Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC61041  Prunella vulgaris var. lanceolata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta Sisson; , Sisson Comment
  RSA183721  Prunella vulgaris var. lanceolata Gilbert Muth 1965-8-16 222 Siskiyou Marble Valley, Marble Mts. 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
  HSC45149  Prunus emarginata J. O. Sawyer, E. Cope 1977-6-19 2958 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  OBI36627  Prunus emarginata David J. Keil 1983-7-3 17382 Siskiyou Sloes of Mt Shasta along Memorial hwy Comment
  RSA211470  Prunus emarginata William J. Ferlatte 1966-6-22 123 Siskiyou Yellow Rose Mine. 1982 Comment
  RSA593947  Prunus emarginata Louis C. Wheeler 1963-9-3 8335 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  RSA78998  Prunus emarginata E. K. Balls 1952-10-13 18186 Siskiyou North end of Castle Lake 1585 Comment
  UC618731  Prunus emarginata W. Bridge Cooke 1938-6-17 11011 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UCD113449  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area. 1981 Comment
  UCD77961  Prunus emarginata Robert E. Preston 2001-6-30 1652 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  UC484192  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou w edge of Lava Beds National Monument, between Bartle and Lookout Lava Beds National Monument Comment
  HSC59609  Prunus virginiana var. demissa J. P. Smith, Steve Selva 1970-7-16 4411 Siskiyou Beaver Creek Campground. 823 Comment
  UC52251  Prunus virginiana var. demissa W. T. Mooney May 1903 Siskiyou Yreka Comment
  CAS-BOT-BC162039  Pseudelymus saxicola John Thomas Howell 1952-6-14 28353 Siskiyou 7 miles east of Callahan on road to Gazelle. Comment
  JEPS24016  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6877 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River); Portuguese Creek 396 Comment
  RSA17670  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  POM161491  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1904-6-27 848 Siskiyou Bluffs of Klamath River Comment
  CAS-BOT-BC80170  Pseudotsuga menziesii Carl B. Wolf 1927-8-26 1070 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  CAS-BOT-BC361902  Psilocarphus tenellus Lewis S. Rose 1945-6-18 45071 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA238574  Pterospora andromedea Frederick W. Oettinger 1968-8-17 556 Siskiyou NW of Pine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  RSA240082  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Near where trail to Cold Springs heads out of English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  LA208177  Purshia tridentata W. B. C.; 1938-6-24 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  HSC118  Purshia tridentata var. tridentata William J. Ferlatte 1967-6-29 578 Siskiyou Dorleska Summit 2134 Comment
  JEPS18589  Purshia tridentata var. tridentata W. L. Jepson Jul 1894 13843 Siskiyou Sisson Comment
  JEPS18600  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou Yreka Comment
  UCLA62314  Pycnanthemum californicum W. Bridge Cooke 1940-7-26 15358 Siskiyou meadow at the Black Butte spring Mount Shasta; , Black Butte spring Comment
  POM62291  Pycnanthemum californicum E. B. Copeland 1903-8-12 3837 Siskiyou Sisson. Comment
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Jan 23 2011
  CAS-BOT-BC460867  Pyrola aphylla G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC466136  Pyrola picta Doris K. Kildale 1929-8-24 8832 Siskiyou Preston Peak 2133 Comment
  UC165292  Pyrola picta Geo. D. Butler 1908-7-20 22 Siskiyou Head of Long Gulch Comment
  JEPS109773  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 2002-7-27 18279 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  CAS-BOT-BC68604  Quercus chrysolepis Dr. A. Kellogg; W. G. W. Harford 1868-9 915 Siskiyou Ukiah Comment
  CAS-BOT-BC68650  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  CAS-BOT-BC94664  Quercus garryana C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  HSC36686  Quercus garryana Brent Whitely 1975-6-20 5 Siskiyou 223 Comment
  HSC68205  Quercus garryana Steve Selva, J. P. Smith 1970-7-16 4338 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC8239  Quercus garryana C. B. Wolf 1927-8-27 1109 Siskiyou Klamath River at Happy Camp. Comment
  RSA237386  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Due NNW of Tobacco Lake and west of the west cove of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA237814  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-24 1540 Siskiyou Growing just SW of the brook on the W side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  CAS-BOT-BC104353  Quercus sadleriana Doris K. Kildale 1929-7-20 8641 Siskiyou trail up to South Fork Indian Creek to Elk Lick Comment
  HSC19221  Quercus sadleriana J. O. Sawyer 1968-9-13 706 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA184760  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Meadow on Black Mountain Trail, Marble Mountain. 1799 Comment
  CAS-BOT-BC104339  Quercus sadleriana Baki Kasapligil 1981-6-26 6184 Siskiyou 9 miles E of O'Brien road from Takilm to Happy Camp Comment
  SJSU444  Quercus sadleriana A. W. Jacobs 1938-10-16 Siskiyou near summit of ridge c. 4 mi SW of Clear Cr (Pick-Aw-Ish) on Klamath R 1828 Comment
  CAS-BOT-BC104643  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  JEPS94649  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  JEPS94789  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  UCR222479  Quercus vacciniifolia R. F. Thorne 1969-8-2 63399 B Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  CAS-BOT-BC328128  Raillardella pringlei W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mount Eddy Comment
  JEPS87838  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou on upstream side of Forest Road 26 (to Mt. Shasta) ca. 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  JEPS90107  Raillardella pringlei Dean W. Taylor 1988-7-9 9939 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  UC1733714  Ranunculus Frank Gould, Kay H. Beach 1940-5-15 1226 Siskiyou Bull Meadows Comment
  RSA99973  Ranunculus alismifolius var. hartwegii Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow, Goosenest Mt. 1677 Comment
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Jan 23 2011
  JEPS55174  Ranunculus californicus W. L. Jepson 1907-7-4 2814 Siskiyou Shackelford Canyon Comment
  UC165955  Ranunculus eschscholtzii var. suksdorfii Geo. D. Butler 1908-8-5 349 Siskiyou summit above Cold Spring; Wooly Creek Comment
  UC375276  Ranunculus occidentalis Geo. D. Butler 1909-3-14 567 Siskiyou near Yreka Comment
  UC61061  Ranunculus occidentalis W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  RSA60630  Ranunculus orthorhynchus I. L. Wiggins 1950-5-28 12369 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  UC165957  Ranunculus orthorhynchus var. orthorhynchus Geo. D. Butler 1910-4-21 1214 Siskiyou Oro Fino Comment
  HSC599  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-6 498 Siskiyou Along S Fork of Salmon River between campground and Carter's 1524 Comment
  POM100137  Ranunculus suksdorfii Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain. 1829 Comment
  UCR37835  Ranunculus uncinatus L. P. Janeway 1983-8-6 486 Siskiyou At Poker Flat, a meadow in a fir forest. Dry E side of meadow, near edge 1524 Comment
  POM283029  Rhamnus ilicifolia Lyman Benson 1929-3-27 1076 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  RSA12078  Rhamnus ilicifolia Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA134945  Rhamnus ilicifolia Percy C. Everett, E. K. Balls 1959-10-24 23949 Siskiyou 4.4 miles NW from Forks, along Salmon River, Sawyer's Bar to Somes Bar. 335 Comment
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  HSC36223  Rhododendron columbianum John Rehling 1974-8-24 44 Siskiyou S end of Little Duck Lake Comment
  HSC91309  Rhododendron columbianum Jennifer Whipple 1977-8-4 2160 Siskiyou Wagon Creek drainage near Wagon Creek 2226 Comment
  RSA471029  Rhododendron occidentale var. californicum B. C. Templeton 1960-6-21 8537 Siskiyou Between Callahan and the summit of Scott mts. Comment
  HSC7889  Rhododendron occidentale var. paludosum Dorothy Parker 1949-6-6 Siskiyou French Creek, Salmon Mtns. 1372 Comment
  SEINET10494636  Rhus trilobata Katherine L. Morris 1973-6-2 Morris 356 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  RSA138230  Rhus trilobata var. quinata P. C. Everett, E. K. Balls 1959-10-24 23945 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  RSA0044691  Rhus trilobata var. quinata Geo. D. Butler 1910-6-29 1615 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC438005  Ribes L. B. Kildale 1930-6-1 9862 Siskiyou Salmon River 5 miles north of Fork of Salmon Comment
  CAS-BOT-BC438009  Ribes W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  UC165928  Ribes aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CAS-BOT-BC108783  Ribes cereum Gary Schoolcraft 1984-5-22 1174 Siskiyou North slopes of Mount Dome. 1524 Comment
  UC1127414  Ribes cereum M. H. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cone (close to road); Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  UCD102136  Ribes cereum Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC6177  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  JEPS49416  Ribes inerme var. klamathense Geo. D. Butler 1909-4-13 641 Siskiyou near Yreka Comment
  CAS-BOT-BC173287  Ribes lacustre Doris K. Kildale 1928-7-4 5476 Siskiyou 3 miles from Summit - west - on Sawyers Bar - Etna Mills Road Comment
  HSC96414  Ribes lacustre Gordon Leppig, J. Kalt 1996-7-9 384 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  JEPS49362  Ribes lobbii Geo. D. Butler 1909-5-31 1442 Siskiyou Humbug Creek Comment
  JEPS82475  Ribes lobbii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  HSC44983  Ribes marshallii J. O. Sawyer 1978-6-21 3287 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  JEPS49353  Ribes marshallii W. L. Jepson 1907-7-4 2819 Siskiyou Shackelford Canyon Marble Mt. region Comment
  SEINET5339459  Ribes marshallii G. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC217882  Ribes nevadense Lester Rowntree 1937-7-23 s.n. Siskiyou Caribou Lake Comment
  CAS-BOT-BC219269  Ribes nevadense Alice Eastwood 1923-5-23 11909 Siskiyou Near Shasta Springs Comment
  CHSC1660  Ribes nevadense M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  RSA0022721  Ribes nevadense var. glaucescens Carl B. Wolf 1934-7-6 5990 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Rd. SW slopes of Mt. Shasta. 1220 Comment
  HSC68479  Ribes roezlii var. cruentum Maralyn A. Renner 1980-6-8 815 Siskiyou Slopes N of Moffett Creek 945 Comment
  RSA0024598  Ribes roezlii var. cruentum G. D. Barbe 1955-6-29 44 Siskiyou 2.1 miles east of Callahan on Trinity Center Road, about 600 feet beyond the bridge. 976 Comment
  RSA0024601  Ribes roezlii var. cruentum Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino. Comment
  CAS-BOT-BC186292  Ribes roezlii var. roezlii Wm. Bridge Cooke 1938-8-19 11516 Siskiyou Lower Bear Spring Comment
  UC1333318  Ribes sanguineum Dorothy Parker 1949-5-26 301 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  UC375359  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC144517  Ribes sanguineum var. sanguineum Alice Eastwood; John Thomas Howell 1937-6-26 5042 Siskiyou Salmon Mts. above Taylor Creek Comment
  CAS-BOT-BC168795  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  CAS-BOT-BC168799  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mts. 1813 Comment
  HSC64674  Ribes viscosissimum J. O. Sawyer 1977-7-6 3033 Siskiyou South of Little Duck Lake 2134 Comment
  UC1408855  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou e side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC166562  Ribes viscosissimum Geo. D. Butler 1908-8-5 260 Siskiyou camp below Cold Spring; West Fork of Woolly Creek 1676 Comment
  UC375408  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC74661  Rorippa curvisiliqua Louis C. Wheeler 1934-7-3 2872 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  UC1871389  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  CHSC75750  Rosa canina Vernon H. Oswald; Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. Roadside. 1508 Comment
  POM277848  Rosa eastwoodiae Alice Eastwood 1912-9-4 2100 Siskiyou Sisson. Comment
  CAS-BOT-BC146741  Rosa gymnocarpa A. A. Heller 1905-6-5 s.n. Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC61513  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  JEPS45676  Rosa gymnocarpa W. L. Jepson 1907-7-4 2811 Siskiyou near Marble Mt. (w Siskiyou Co.); Shackelford Canyon Comment
  SJSU6062  Rosa gymnocarpa R. W. Trivelpiece 1971-6-18 13 Siskiyou Little S Fork Salmon R c. 3 mi S of Cecilville, Salmon R Mts 609 Comment
  UC1871380  Rosa nutkana subsp. macdougalii Barbara Ertter 2006-7-30 18739 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  POM88096  Rosa woodsii var. ultramontana Geo. D. Butler 1908-6-20 1044 Siskiyou Near Yreka Comment
  CAS-BOT-BC147162  Rubus laciniatus Carl B. Wolf 1927-8-27 1115 Siskiyou On the Klamath River, Happy Camp Comment
  HSC19406  Rubus lasiococcus J. O. Sawyer 1968-7-2 369 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  RSA264949  Rubus parviflorus G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass. Near Seiad Valley. 1646 Comment
  UC1282030  Rudbeckia klamathensis Louise Kellogg 1953-8-8 111 Siskiyou on road between Callahan and Trinity Center; Mule Creek, Scott Mountain, Klamath National Forest 1402 Comment
  CAS-BOT-BC422226  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  HSC28668  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area, SE of Tom Taylor Cabin 2043 Comment
  CAS-BOT-BC433695  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  JEPS93961  Rumex stenophyllus Vernon H. Oswald and Lowell Ahart 1998-9-16 9647 Siskiyou 8.7 mi e of Highway 97 (Vista Point on Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Vista Point 1243 Comment
  CAS-BOT-BC454115  Ruppia cirrhosa Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39035 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of junction of Hwys 97 and 161 1280 Comment
  RSA126337  Sagina decumbens subsp. occidentalis I. L. Wiggins 1955-7-22 13445 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC1408875  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou near Abbotts; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1859 Comment
  CAS-BOT-BC445652  Sagittaria cuneata Calvin McMillan; Malcom A. Nobs 1949-6-17 799 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC103464  Salix eastwoodiae Milo S. Baker 1893-8-8 s.n. Siskiyou Medicine Lake 1981 Comment
  HSC19410  Salix eastwoodiae J. O. Sawyer 1968-7-22 540 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA201501  Salix eastwoodiae J. T. Howell 1939-8-7 15125 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA238016  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 355 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC1409264  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou near Horse's Hole Horse Range Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  UC5224  Salix eastwoodiae Harley P. Chandler June, 1901 1547 Siskiyou ridges and meadows near Marble Mt.; North Coast Ranges 1828 Comment
  POM107070  Salix exigua Geo. D. Butler 1909-9-20 1082 Siskiyou Yreka Creek. Comment
  RSA15588  Salix exigua Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  RSA0038339  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  CAS-BOT-BC107654  Salix jepsonii Alice Eastwood 1921-7-24 10716 Siskiyou Castle Lake Comment
  UC481728  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  UC482253  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125476  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson 1083 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  UC482233  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482241  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482337  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house) 1080 Comment
  CAS-BOT-BC124542  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1118 Siskiyou On the Klamath River, Happy Camp Comment
  LA208891  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-21 467 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 180 m. below Dobkin's Lake 1770.0 Comment
  UC481735  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. Shasta City (n. side Mt. Eddy, 180 m. below Dobkin's Lake); Mt. Eddy 1770 Comment
  RSA5700  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  POM107278  Salix scouleriana Geo. D. Butler 1910-5-30 1439 Siskiyou Humbug Mountain 1220 Comment
  POM219901  Salix scouleriana H. P. Bracelin 1931-6-20 446 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  RSA201313  Salix scouleriana J. T. Howell 1939-8-6 15102 -A Siskiyou Elk Peak. Marble Mtns. Comment
  RSA238266  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  UC482264  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC220738  Salvia W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  JEPS95183  Salvia virgata Liz Parsons Aug 1998 s.n. Siskiyou along Ager Beswick Road, eastern Siskiyou County Ager Beswick Road Comment
  UCD125660  Salvia virgata M. V. Maxwell 1941-6-25 s.n. Siskiyou 3 miles east of Hornbrook. 670 Comment
  HSC29279  Sambucus racemosa var. racemosa Frederick W. Oettinger 1968-8-6 423 Siskiyou Marble Mtn. Wilderness Area, SE side of Hancock Lake along trail. 1905 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  UC164236  Sanguisorba annua Geo. D. Butler 1900-6-3 1468 Siskiyou Quartz Valley Comment
  UC1037445  Sanguisorba minor subsp. muricata Douglas Barbe 1955-7-5 97 Siskiyou on French Creek 11 mi s Etna; Klamath Mountains, s of Etna on French Creek 1066 Comment
  UC585154  Sanicula bipinnatifida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2010 Siskiyou about 1 1/2 mi w of Mount Shasta City (Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  RSA790229  Sanicula tuberosa Rebecca 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. 1518 Comment
  CHSC33037  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground; sandbar and roadside. 579 Comment
  SD79816  Saponaria officinalis Helen V. Witham 1969-10-7 580 Siskiyou Along Scott River. 500 Comment
Read comments
Jul 10 2010
  HSC77496  Saponaria officinalis L. P. Janeway 1983-7-30 458 Siskiyou Along NE shore of Klamath River, 1 mi. W of Seiad Creek 412 Comment
  UCR66599  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou Siskiyou Mtns., S side of White Mtn 1738 Comment
  POM92222  Saxifraga californica Geo. D. Butler 1909-4-25 583 Siskiyou Quartz Valley. Comment
  JEPS1218  Saxifraga odontoloma Freed Hoffman 1951-7-12 4033 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, Western Siskiyou County); Marble Mountains, Kelsey Creek 1524 Comment
  JEPS47548  Saxifraga oregana W. L. Jepson July 1894 13476 Siskiyou Sisson Comment
  HSC29407  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  HSC69193  Saxifragopsis fragarioides Maralyn A. Renner 1980-9-1 2694 Siskiyou Bear Mtn. 1936 Comment
  RSA0101700  Sceptridium multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1278 Siskiyou On the east shore of English Lake. 1753 Comment
  CAS-BOT-BC283655  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, NE base of Mount Eddy 1188 Comment
  RSA598072  Scirpus L. C. Wheeler 1963-9-3 8348 Siskiyou Siskiyou Mountains. Young's Valley, head of Clear Creek 1402 Comment
  HSC19534  Scirpus congdonii J. O. Sawyer 1968-7-22 552 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC149654  Scirpus microcarpus H. M. Hall and E. B. Babcock June, 1903 4044 Siskiyou 18th crossing Mount Shasta, near Sisson (near Sisson) 1036 Comment
  CAS-BOT-BC111091  Scirpus microcarpus Louis C. Wheeler 1934-9-22 3300 Siskiyou Klamath Forest, Walker. 518 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC243490  Sclerochloa dura C. S. Giebner 1963-5-6 s.n. Siskiyou Sedge Nelson prop., opposite Game Refuge, Big Springs, Shasta Valley Comment
  SJSU7863  Sclerolinon digynum M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1219 Comment
  UC821369  Scribneria bolanderi Louis C. Wheeler 1935-5-1 3450 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  CHSC71587  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  HSC81623  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-19 6203 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS88635  Scutellaria antirrhinoides Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9860 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat); The Modoc Plateau 1097 Comment
  POM69571  Scutellaria antirrhinoides Geo. D. Butler 1910-5-23 1401 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC64647  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
  HSC59373  Sedum lanceolatum Thomas W. Nelson, J. P. Smith 1979-6-15 4808 Siskiyou Above road to Carmen Lake, 0.6 mi. from junction with State Rte. 3 1738 Comment
  JEPS40927  Sedum obtusatum subsp. boreale E. K. Balls and P. C. Everett 915 Siskiyou Indian Creek Road to O'Brien (Oregon) 20 mi nw of Route 96 at Happy Camp; nw of Route 96 at Happy Camp Comment
  HSC12  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-6-22 113 Siskiyou Josephine Lake Basin 1677 Comment
  HSC603  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  SEINET8923801  Sedum oregonense P. Zika 2011-7-19 25647 Siskiyou Klamath Range (KR), Siskiyou Mountains, near Pacific Crest Trail, 1 air mile WNW of Copper Butte. 1610 Comment
  CAS-BOT-BC61466  Sedum oregonense Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  HSC74918  Sedum radiatum J. P. Smith, Jennifer Whipple 1978-7-2 9967 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC59129  Sedum spathulifolium John Thomas Howell 1937-7-26 13565 Siskiyou Between Big Flat and Caribou Gulch. Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC369  Selaginella scopulorum William J. Ferlatte 1966-6-22 78 Siskiyou Josephine Lake Basin 1677 Comment
  SBBG19225  Selaginella scopulorum L. L. Kiefer 1963-8-8 827 Siskiyou White Mtn, N of town of Horse Crk, trail from Siskiyou Summit to White Mtn 1524 Comment
  UC371152  Selaginella wallacei G. D. Butler 1909-7-20 874 Siskiyou Highland Mine Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  CAS-BOT-BC363418  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou Near Sisson Comment
  CAS-BOT-BC363425  Senecio aronicoides Alice Eastwood 1923-5-22 11888 Siskiyou Sisson Comment
  SEINET11802863  Senecio aronicoides Unknown 1936-1 13321 Siskiyou near Castello Comment
  CAS-BOT-BC341178  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest foothills Comment
  RSA237230  Senecio sylvaticus Frederick W. Oettinger 1967-6-28 136 Siskiyou flood plain along Salmon River near Kelly Gulch, the High Lake Basings in the vicinity of English Peak, Marble Mountain Wilderness area. 613 Comment
  CAS-BOT-BC364426  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364446  Senecio triangularis Doris K. Kildale 1929-8-23 8803 Siskiyou Youngs Valley on trail to Preston Peak Comment
  CAS-BOT-BC364452  Senecio triangularis Harley P. Chandler 1901-6-1 1576 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  HSC22188  Senecio triangularis J. O. Sawyer 1969-8-5 1756 Siskiyou W of Little Duck Lake 2073 Comment
  HSC68349  Senecio triangularis J. P. Smith, J. O. Sawyer 1970-7-17 4470 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  RSA261516  Senecio triangularis J. M. Tucker, D. V. Hemphill 1974-7-26 4290 Siskiyou Let-Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  RSA183732  Senecio triangularis Gilbert Muth 1965-8-2 142 Siskiyou Meadow at Marble Valley. Marble Mountains. Comment
  RSA211197  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou North side of Caribou Mountain. 1982 Comment
  CAS-BOT-BC364786  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1922-10-18 11520 Siskiyou Shasta Springs Comment
  CAS-BOT-BC240271  Setaria viridis Catherine Best 1982-7-23 s.n. Siskiyou Along the edge of Hwy 5 near about 5 miles south of Weed Comment
  UC13069  Sibbaldia procumbens W. H. Brewer 1862-9-13 1374 Siskiyou Mount Shasta; near Camp 99 2560 Comment
  UC1299198  Sidalcea asprella subsp. nana Freed W. Hoffman 1950-7-11 3723 Siskiyou Cedar Camp road 42.5 mi n Klamath River (western Siskiyou County); n of Klamath River, Cedar Camp Road Comment
  HSC76964  Sidalcea malviflora subsp. nana K. T. Stillman 1976-7-30 326 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  JEPS67263  Sidalcea oregana subsp. spicata Geo. D. Butler 1908-7-23 62 Siskiyou Eastlick's Ranch Oro Fino, Eastlick's Ranch Comment
  POM253298  Sidalcea oregana subsp. spicata A. A. Heller 1938-7-13 15268 Siskiyou About a mile S. of Bray 1402 Comment
  JEPS50938  Silene antirrhina W. L. Jepson 1894-7 Siskiyou Sisson Comment
  SBBG2045  Silene bernardina H. and M. Dearing 1939-7-1 3787 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC174857  Silene campanulata subsp. campanulata D. E. Breedlove 1962-6-10 3304 Siskiyou Along Indian Creek Road, 13.1 miles northwest of Happy Camp; Siskiyou Mountains 670 Comment
  CAS-BOT-BC181191  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC181186  Silene campanulata subsp. glandulosa Lillian Mott 1976-7-8 46 LM76 Siskiyou Copper butte ca. 1 1/2 miles east of Cook & Green Pass 1889 Comment
  JEPS90787  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou Paynes Springs 2 mi se from Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC388957  Silene grayi John Thomas Howell 1939-8-8 15168 A Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  UC572803  Silene grayi W. Bridge Cooke 1937-7-28 9145 Siskiyou Mt. Shasta 2590 Comment
  UCD98591  Silene grayi Mary Ann Showers 1980-8-28 2051 Siskiyou along trail between old ski area and Panther Meadows on Mt. Shasta. 2377 Comment
  UC1198360  Silene hookeri Joseph P. Tracy 1939-4-29 16273 Siskiyou 3 mi n of mouth Salmon (near Somes Bar, e side Klamath River); e side Klamath River near Somes Bar, n of mouth Salmon 243 Comment
  RSA477904  Silene hookeri Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC19441  Silene lemmonii J. O. Sawyer 1969-6-11 831 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  JEPS50875  Silene menziesii Geo. D. Butler 1908-6-28 103 Siskiyou near Yreka (along creek at Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC375339  Silene menziesii Geo. D. Butler 1908-6-25 103 Siskiyou along creek near Yreka; near Yreka Comment
  UC465651  Silene menziesii Annie M. Alexander and Louise Kellogg 1911-6-13 141 Siskiyou 6 mi nw Callahan; nw Callahan Comment
  HSC59820  Silene menziesii D. H. Norris 1968-7-28 2198 Siskiyou Along Salmon River ca. 1 mi. S of Big Flat 1524 Comment
  CAS-BOT-BC75163  Sisymbrium altissimum Isabelle C. Kimber 1934-6-9 5 Siskiyou Mount Shasta north slope. 1219 Comment
  CAS-BOT-BC133703  Sisyrinchium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  HSC101708  Smilax californica J. P. Smith, J. O. Sawyer 2011-6-25 13252 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  UCSB25036  Smilax californica Keefe, Joseph 1967-7-11 Siskiyou Elk Creek Road, 6 miles south of Happy Camp 426 Comment
  HSC664  Solanum parishii William J. Ferlatte 1967-7-9 680 Siskiyou Kidd Creek Trail 1768 Comment
  UCR47901  Solidago canadensis Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CDA8727  Solidago canadensis subsp. elongata T. C. Fuller 1960-7-25 4868 Siskiyou North limits of Mt. Shasta City. 0 Comment
  UC1034035  Solidago elongata W. Bridge Cooke 1941-8-8 16154 Siskiyou along springs and creeks between Wagon Camp and Bear Springs; Mount Shasta Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  UC618666  Solidago elongata W. Bridge Cooke 1938-8-19 11510 Siskiyou Howard 1219 Comment
  OBI55412  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC217392  Solidago velutina subsp. californica H. M. Hall 1919-10-2 Siskiyou near Weed Comment
  UC164082  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Eton Creek; Salmon Mountains Comment
  CAS-BOT-BC157320  Sorbus californica 1902-7-15 1518 Siskiyou Marble Fork Comment
  UC1409333  Sorbus sitchensis var. sitchensis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1276 Siskiyou se end English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
Read comments
Aug 26 2008
  HSC29329  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  HSC29288  Sparganium angustifolium Frederick W. Oettinger 1969-8-22 1507 Siskiyou Marble Mtn. Wilderness Area, NW shore line of Horse Range Lake 1829 Comment
  RSA0097342  Spergularia rubra Frederick W. Oettinger 1968-8-23 621 Siskiyou Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Upper English Lake. 1768 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-BC149681  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC18900  Spiraea douglasii J. O. Sawyer 1968-9-11 702 Siskiyou Twin Valley 1524 Comment
  JEPS46333  Spiraea douglasii W. L. Jepson 1940-7-3 20107 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC917336  Spiraea douglasii R. Tofsrud and J. M. Tucker 1948-8-2 1751 Siskiyou outskirts McCloud Comment
  CAS-BOT-BC152553  Spiraea splendens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  UC164138  Stachys ajugoides var. rigida Geo. D. Butler 1909-6-29 174 Siskiyou near Yreka Comment
  POM69090  Stachys rigida subsp. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Yreka Creek. Comment
  POM70360  Stachys rigida subsp. rigida Geo. D. Butler 1910-7-24 1792 Siskiyou Yreka Creek. Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  CAS-BOT-BC516470  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou North side White Mt., Siskiyou Mts. 1828 Comment
  RSA237476  Stephanomeria lactucina Frederick W. Oettinger, R. F. Thorne 1969-8-5 1195 Siskiyou Dry trail on way to Abbotts. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  SEINET11262515  Stephanomeria lactucina Carl B. Wolf 1934-7-6 6027 Siskiyou W slope of Mt Shasta. Snowline Road, 3 3/10 mi from Mt Shasta City.; 0 Comment
  CDA8849  Stephanomeria paniculata T. C. Fuller 1963-8-27 11159 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  SEINET10610738  Stipa occidentalis A. Arthur Heller 1916-6-22 Heller 11427 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, elevation about 3700 feet. 1097 Comment
  HSC92556  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-14 1476 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  OBI55476  Streptanthus barbatus David J. Keil, Kathleen Keil 1992-7-21 23530 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC673193  Streptanthus tortuosus Lincoln Constance and Reed C. Rollins 1942-5-13 2901 Siskiyou metamorphic bluffs near Clear Creek (ca 8 mi s of Happy Camp); Klamath-Siskiyou Region, Klamath River 304 Comment
  UCD116311  Streptanthus tortuosus Robert E. Preston 1984-7-25 492 Siskiyou on summit slopes of Little Mt. Hoffman. 2196 Comment
  SBBG30518  Streptanthus tortuosus var. pallidus D. Myrick 1968-6-27 2044 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  OBI9067  Styrax redivivus H. E. McMinn 1931-6-26 2493 Siskiyou Pit River Bridge and hwy Comment
  HSC61795  Swertia albicaulis var. nitida Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA1889  Symphoricarpos albus var. laevigatus C. B. Wolf 1930-10-22 1010 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  CAS-BOT-BC234779  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  HSC67781  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-21 3852 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  UC1280829  Symphoricarpos mollis H. E. McMinn 1931-6-26 2507 Siskiyou near Shasta Soda Comment
  UC618777  Symphoricarpos mollis unknown 1938-7-22 11347 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CDA42311  Symphoricarpos mollis G. D. Barbe 1973-8-14 1701 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  HSC91427  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1977-7-20 2009 Siskiyou Near Durney Lake. 2073 Comment
  JEPS40843  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-12 292 Siskiyou L. Eastlick's Ranch Oro Fino Comment
  CAS-BOT-BC99036  Symphyotrichum cusickii John Thomas Howell 1939-8-7 15134 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC97874  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  CAS-BOT-BC98945  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 1970 Siskiyou Mount Eddy Comment
  UC933469  Symphyotrichum hendersonii Annie M. Alexander 1948-9-9 5617 Siskiyou meadow at start of 2 mile trail to Taylor Lake from Cook & White Mine Taylor Lake; Siskyou Mountains 1584 Comment
  JEPS81907  Symphyotrichum spathulatum Roger Raiche 1982-10-14 20825 Siskiyou Stewart Springs Road 914 Comment
  UC1222979  Symphyotrichum spathulatum Joseph P. Tracy 1949-9-16 18572 Siskiyou on rd between Callahan and Trinity Center Callahan (at the top on the n side of Scott Mtn); Scott Mountain 1615 Comment
  CAS-BOT-BC98925  Symphyotrichum spathulatum var. intermedium Wm. F. Herrin 1920-8-25 s.n. Siskiyou Road to Mt. Eddy Comment
  HSC75352  Symphyotrichum spathulatum var. spathulatum J. O. Sawyer, M. Mesler 1980-8-10 4036 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC376855  Taraxacum Doris K. Kildale 1929-4-27 7513 Siskiyou Cecilville Comment
  CHSC91244  Taraxacum officinale Lowell Ahart; John Dittes 2005-6-10 12081 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC642524  Taraxacum officinale unknown 1939-6-23 13533 Siskiyou Wagon Camp, lower meadow Mount Shasta 1737 Comment
  CDA7682  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2611 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC85232  Taxus brevifolia John Thomas Howell; Gordon H. True 1972-6-8 48862 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  UC922308  Tellima grandiflora Annie M. Alexander and Louise Kellogg 1949-7-28 5881 Siskiyou Sky High Valley; Marble Mountains 1767 Comment
  NY185763  Thelypodiopsis brachypoda H. M. Hall 06 1903 4092 Siskiyou Sierra Nevada Mountains; Mount Shasta; Shasta Valley 914.4 Comment
  CAS-BOT-BC95072  Thelypodium brachycarpum Dean William Taylor 1987-8-9 9289 Siskiyou Lower Klamath National Wildlife Refuge, along Highway 61, 8.3 mi. W from Highway 139 1249 Comment
  JEPS25169  Thelypodium brachycarpum G. Thomas Robbins 1959-6-10 4042 Siskiyou 4 mi s Gazelle (along U.S. Highway 99); Shasta Valley 914 Comment
  JEPS68262  Thelypodium brachycarpum L. R. Heckard 1972-5-31 2935 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  RSA604057  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC1440269  Thelypteris nevadensis L. L. Kiefer 1963-8-7 765 Siskiyou nw Happy Camp (Indian Creek Rd. to Baldy Mt.) 1219 Comment
  UC62776  Thelypteris nevadensis unknown 1883-1 Siskiyou Castle Lake Castle Lake Comment
  CAS-BOT-BC197375  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  CHSC88121  Thlaspi arvense Jenny Marr 1993-7-1 131 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS104854  Thlaspi arvense Dean W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  CHSC34500  Thlaspi montanum var. montanum J. D. Jokerst 1981-9-8 1468 Siskiyou Between West Park Cr. and first road to the west. 1524 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC66797  Thysanocarpus curvipes Alice Eastwood; John Thomas Howell 1936-6-13 2761 Siskiyou Junction of Klamath and Shasta rivers. Comment
  CDA25267  Thysanocarpus curvipes F. D. Horn 1978-4-9 Siskiyou Horn Ranch near Etna. 0 Comment
  UCR101152  Tiarella trifoliata var. unifoliata L. C. Wheeler 1959-7-25 7602 Siskiyou Marble Mtns, Camp Three, Rogers Creek Comment
  JEPS49719  Tolmiea menziesii W. L. Jepson 1937-7-30 18516 Siskiyou headwaters of the Illinois River, East Fork Comment
  RSA47984  Tonella tenella Roxana S. Ferris, Laura Lorraine 1948-6-12 11779 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  HSC102659  Toxicoscordion venenosum var. venenosum J. P. Smith 2009-6-1 12617 Siskiyou Road to Tenant. Comment
  SEINET7972552  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Near Yreka Comment
  RSA119376  Trifolium breweri S. S. Tillett 1956-7-11 695 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CDA4287  Trifolium eriocephalum E. Hale 1984-5-8 Siskiyou East end of Deer Meadow Road, approximately 1 miles west of R. Diaz property on Shamrock Road, south of Yreka. 0 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
  HSC61931  Trifolium howellii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS65929  Trifolium howellii Geo. D. Butler 1898-5 385 Siskiyou below Log Lake (canyo of Shackelford Cree) 1432 Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  HSC44939  Trifolium longipes J. O. Sawyer 1978-6-20 3265 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  JEPS74570  Trifolium longipes W. J. Ferlatte 1966-6-23 130 Siskiyou Rose Mine Trinity Alps 1981 Comment
  UC1607609  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca 1-2 mi from Parks Cr trailhead (=crest of Rt 17). 2286 Comment
  UC866844  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC163681  Trifolium longipes var. hansenii Geo. D. Butler 1900-6-5 1507 Siskiyou Shackleford Creek Comment
  JEPS124492  Trifolium pratense Daniel Slakey 2015-7-14 165 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  HSC15160  Trifolium pratense Mrs. H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf Ranch, N side of Mt. Eddy 915 Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  POM349113  Trifolium productum M. B. Dunkle 1945-7-19 9217 Siskiyou Marble Mts. Comment
  UCD109300  Trifolium productum A. H. Murphy 1958-8-7 58 N Siskiyou Deep Lake, Marble Mts. 1889 Comment
  JEPS80539  Trifolium repens Gilbert Muth 1965-8-16 229 Siskiyou Marble Mountain Wilderness Area, Black Mountain, next to trail and meadow Black Mountain; Marble Mountain Wilderness Area, Black Mountain 1792 Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  RSA234824  Trillium ovatum Frederick W. Oettinger 1969-8-25 1557 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UC1409210  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 124 Siskiyou off Music Creek Log rd. Salmon Mts, High Lake Basins, English Peak vicinity, Marble (ne. 1/4 of n.w. 1/4 of Sect. 23, Etna Quad.) 1731 Comment
  CAS-BOT-BC200089  Trisetum canescens Doris K. Kildale 1928-8-18 6482 Siskiyou Near head of north fork of Salmon River near Finley's Upper Camp Comment
  HSC26619  Trisetum canescens J. P. Smith, Steve Selva 1970-6-16 4054 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CAS-BOT-BC200267  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley meadow, Marble Mts. 1792 Comment
  HSC18998  Trisetum spicatum J. O. Sawyer 1969-7-9 1249 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD93739  Trisetum spicatum A. H. Murphy 1959-7-21 59 E Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  CAS-BOT-BC133488  Triteleia crocea L. E. Smith 1914-5-21 702 Siskiyou Yreka Comment
  UC15040  Triteleia crocea W. P. Gibbons May 1896 Siskiyou Comment
  HSC539  Triteleia hyacinthina William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  JEPS64224  Triteleia hyacinthina W. L. Jepson July 1894 20977 Siskiyou Sisson Comment
  SBBG30572  Triteleia hyacinthina D. Myrick 1968-6-27 2047 Siskiyou near Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk; Trinity Alps 1828 Comment
  UC454400  Triteleia hyacinthina I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA309015  Triteleia hyacinthina J. G. Lemmon 1889-6-28 s.n. Siskiyou Near Edgwood [Edgewood] Comment
  RSA68876  Triteleia hyacinthina A. E. Culbertson 1943-7-1 80 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC526140  Triteleia laxa D. H. Norris 1970-5-23 12247 Siskiyou In open oak forest along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC67794  Tsuga mertensiana J. O. Sawyer, J. Cole 1980-7-21 3898 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  RSA237586  Tsuga mertensiana Frederick W. Oettinger 1967-8-26 327 Siskiyou Trees off north eastern side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1037432  Tsuga mertensiana Douglas Barbe 1955-8-1 322 Siskiyou on Mt. Bolivar se of Craggy Lookout (n slope only); Klamath Mountains, Scott Mountains, Mt. Bolivar 2255 Comment
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Mar 6 2013
  HSC67575  Typha latifolia J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5739 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CAS-BOT-BC91274  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  HSC69430  Umbellularia californica John Palmer 1980-7-23 562 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  JEPS40107  Umbellularia californica Wm. C. Cusick 1902-7-31 2932 Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC404218  Urtica dioica subsp. holosericea Lewis S. Rose 1945-6-22 45163 Siskiyou Walker, Klamath River 533 Comment
  JEPS19728  Utricularia macrorhiza Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-27 5975 Siskiyou 20 mi. n.e. Weed (along causeway of U.S. Hwy. 97 between Weed and Klamath Falls, Grass Lake); Grass Lake 1544 Comment
  UCD121866  Utricularia minor Barry Rice 2007-7-7 BR 070701 Siskiyou Lower Cliff Lake. 1747 Comment
  HSC98336  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1893 Siskiyou Above S Sugar Lake 2043 Comment
  JEPS25577  Vaccinium cespitosum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7203 Siskiyou at upper edge of Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  UC1409419  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou n shoreline Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  HSC19355  Vaccinium membranaceum J. O. Sawyer 1968-6-25 304 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA238859  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 a Siskiyou Common around Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC199480  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River Watershed Comment
  JEPS123401  Vaccinium scoparium Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -132 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  RSA201568  Vahlodea atropurpurea Jack Major, M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain. 1976 Comment
  HSC77001  Valeriana sitchensis subsp. sitchensis K. T. Stillman 1976-6-25 87 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  JEPS80556  Valeriana sitchensis subsp. sitchensis Gilbert Muth 1965-8-6 190 Siskiyou backside of Black Mountain, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Black Mountain, Marble Mountain Wilderness Area 2042 Comment
  HSC72501  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-17 4093 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  HSC2  Veronica americana William J. Ferlatte 1966-6-23 132 Siskiyou Yellow Rose Mine, below mine 1982 Comment
  HSC41803  Veronica americana Brent Whiteley 1975-8-1 119 Siskiyou Ti Creek, Klamath National Forest 671 Comment
  SEINET3160870  Veronica scutellata T. S. Brandegee sn Siskiyou Sisson's Comment
  UC27746  Veronica serpyllifolia subsp. humifusa Milo S. Baker 1893-8-6 Siskiyou Mount Spring, Medicine Lake Medicine Lake; Mount Spring, Medicine Lake Comment
  UCR37837  Veronica serpyllifolia subsp. humifusa L. P. Janeway 1983-7-10 401 Siskiyou Poker Flat 1524 Comment
  UC887667  Veronica triphyllos Louis C. Wheeler 1935-4-18 3433 Siskiyou Yreka 822 Comment
  UC887611  Veronica wormskjoldii John Thomas Howell 1939-8-3 14959 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  HSC19091  Vicia americana var. americana J. O. Sawyer 1969-6-11 833 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  UC164015  Vicia americana var. americana Geo. D. Butler 1910-5-30 1440 Siskiyou Humbug Mountain 1219 Comment
  UC54376  Vicia americana var. americana H. M. Hall and E. B. Babcock Jun 1903 4138 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  UC726534  Vicia americana var. americana A. A. Heller 1916-6-20 12400 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC264068  Viola adunca A. A. Heller 1919-6-25 13273 Siskiyou Compton's Prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC270237  Viola adunca Doris K. Kildale 1929-4-27 7852 Siskiyou Cecilville, upper S fork of Salmon River Comment
  HSC91247  Viola adunca var. adunca Jennifer Whipple 1976-6-17 1024 Siskiyou Near Durney Lake 2073 Comment
  UC1170103  Viola bakeri W. Bridge Cooke 1956-7-15 30276 Siskiyou Wagon Camp; Mount Shasta 1737 Comment
  UC1761641  Viola bakeri W. Bridge Cooke 1946-6-17 17520 Siskiyou Wagon Camp Mt. Shasta 1737 Comment
  UCSB15820  Viola bakeri Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mo