Search Results — 2000 specimen records retrieved (1389 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77931  Abies H. A. Thomas; J. H. Thomas 1954-7-24 4517 A Siskiyou Salmon-Trinity Mts., Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville 1981 Comment
  HSC27978  Abies amabilis Gary S. Lester 1973-7-17 52 Siskiyou Diamond Lake, Marble Mtn. Wilderness Area 1951 Comment
  HSC4981  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS83903  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou e of Slaughter House Flat (n slope of Black Mt.); Black Mt. 1524 Comment
  CAS-BOT-BC73503  Abies concolor Elmer I. Applegate 1935-6-6 9368 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC73506  Abies concolor L. B. Kildale 1930-6-1 9791 Siskiyou Black Bear Trail to Sawyers Bar. Comment
  UC401382  Abies concolor Annie M. Alexander and L. Kellogg 1911-6-20 159 Siskiyou Jackson L. Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  UC705767  Abies magnifica var. shastensis Marion Ownbey, and Fred G. Meyer 1940-7-4 2183 Siskiyou meadow well below timberline on e side Mt. Shasta Comment
  JEPS84284  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  UC54490  Acer circinatum H. M. Hall and E. B. Babcock June, 1903 4150 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  JEPS109261  Acer glabrum D. W. Taylor 2002-8-7 18295 Siskiyou Trinity Mountains; Mears Creek, cirque in very highest headwaters of the creek, ca 0.5 air miles SE of Tamarack Lake. Comment
  JEPS42741  Acer glabrum W. L. Jepson 1907-7-5 2837 Siskiyou Marble Mt. Comment
  JEPS105135  Acer glabrum var. diffusum Dean W. Taylor 1996-7-12 15792 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  RSA123631  Acer glabrum var. torreyi G. D. Barbe 1955-7-9 151 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  HSC72673  Acer negundo var. californicum J. P. Smith 1973-5-5 6569 Siskiyou Weed lots of Etna 793 Comment
  UC1313046  Achillea millefolium J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3758 Siskiyou sw ridge Black Marble Mountain; Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC30430  Achillea millefolium W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mountain side Comment
  HSC69569  Achlys triphylla Maralyn A. Renner 1980-8-6 2268 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  UCD50899  Achnatherum occidentale R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up to Panther Meadow, Mt. Shasta. 1828 Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  UCD50959  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  POM207038  Achnatherum occidentale subsp. californicum E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta. 2439 Comment
  UC822000  Achnatherum occidentale subsp. occidentale A. A. Heller 1916-6-22 12427 Siskiyou near Black Butte (n of Sisson) 1097 Comment
  UC593458  Achnatherum occidentale subsp. pubescens E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1960 Siskiyou 2 mi s, on highway from Bray to Weed Sheep Rock (n slope of Mt. Shasta); Mt. Shasta 1235 Comment
  HSC71632  Acmispon micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC167238  Aconitum columbianum R. C. Wenk 2008-7-25 944 Siskiyou Lily Pad Lake, just west of Kangaroo Lake, south of the Gazelle-Callahan Rd. 1798 Comment
  JEPS80543  Aconitum columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  UC454475  Aconitum columbianum I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  UC1333335  Aconitum columbianum Dorothy Parker 1949-8-3 355 Siskiyou around edges Paradise Lake; Siskiyou Mts., Salmon Mt., Paradise Lake 1981 Comment
  CAS-BOT-BC391512  Aconitum columbianum subsp. columbianum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  CAS-BOT-BC391514  Aconitum columbianum subsp. columbianum Alice Eastwood 1917-9-2 6640 Siskiyou Shasta Springs Comment
  HSC22293  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-24 1519 Siskiyou W of Sugar Lake 1890 Comment
  HSC22294  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-4 1890 Siskiyou Above S Sugar Lake 2043 Comment
  RSA211130  Aconitum columbianum var. columbianum William J. Ferlatte 1966-8-3 291 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC412911  Aconogonon davisiae Doris K. Kildale 1928-7-2 5369 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  HSC19287  Aconogonon davisiae J. O. Sawyer 1969-7-2 999 Siskiyou E of Twin Lakes 2195 Comment
  HSC76966  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  CAS-BOT-BC412909  Aconogonon davisiae A. A. Heller 1920-7-9 13429 Siskiyou Long bare easterly slope of Mt. Eddy 2438 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  UCD98563  Aconogonon newberryi R. Tofsrud; J. M. Tucker 1948-8-2 1760 Siskiyou Panther Meadows, Mt. Shasta. 2407 Comment
  CAS-BOT-BC418812  Aconogonon phytolaccifolium G. J. Muth 1969-8-12 1372 Siskiyou Second Valley Comment
  UCD98810  Aconogonon phytolaccifolium J. M. Tucker 1974-7-28 4321 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CAS-BOT-BC418814  Aconogonon phytolaccifolium L. S. Smith 1913-7-27 507 Siskiyou McCloud Comment
  HSC61828  Aconogonon phytolaccifolium Ruby Van Deventer 1937-7-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391699  Actaea rubra K. T. Stillman 1976-6-25 84 A Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1798 Comment
  CAS-BOT-BC29320  Adenocaulon bicolor Doris Kildale 1929-7-21 8745 Siskiyou Elk Lick, south fork Indian Creek Comment
  RSA126296  Adiantum aleuticum I. L. Wiggins 1955-7-23 13477 Siskiyou China Creek 1098 Comment
  CDA1647  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou RR siding, Montague. 0 Comment
  CHSC32916  Agastache parvifolia J. P. Smith; Steve Selva 1970-8-8 4573 Siskiyou Lava Beds National Monument. Comment
  JEPS62933  Agastache urticifolia Geo. D. Butler 1908-8-6 171 Siskiyou trail beyond Whiskey Camp Whiskey Camp (Marble Mountains); , Whiskey Camp 1676 Comment
  RSA264983  Agastache urticifolia Gilbert Muth 1975-7-29 5836 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  UCLA72413  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  SEINET7940419  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  JEPS75975  Ageratina occidentalis W. J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds se of main tailings Yellow Rose Mine; Trinity Alps 2042 Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  CAS-BOT-BC29449  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  HSC77090  Ageratina occidentalis K. T. Stillman 1976-8-7 362 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  CAS-BOT-BC15477  Agoseris X dasycarpa Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  HSC62468  Agoseris aurantiaca Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  RSA14495  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  UC163887  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Comment
  JEPS36375  Agoseris grandiflora var. grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento region Comment
  UC195380  Agoseris grandiflora var. grandiflora A. A. Heller 1916-7-20 12555 Siskiyou at, ne base of Mt. Eddy Metcalf's ranch; Mt. Eddy 1188 Comment
  CAS-BOT-BC22770  Agoseris heterophylla Elmer I. Applegate 1937-5-12 11082 Siskiyou Lava Beds National Monument, near the boundary between Canby Cross and Stronghold. Comment
  HSC76761  Agoseris monticola K. T. Stillman 1976-9-9 492 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  UC618847  Agoseris retrorsa W. Bridge Cooke 1938-6-17 11031 Siskiyou Southern Trail Sisson; Mount Shasta 1371 Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  UC618636  Agrostis alba W. B. Cooke 1938-9-17 11693 Siskiyou Mount Shasta , Horse Camp Comment
  CAS-BOT-BC126989  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  HSC91587  Agrostis exarata Jennifer Whipple 1978-10-6 2426 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  UCD52131  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 1/2 mile northeast Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 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
  UCD18949  Agrostis idahoensis A. H. Murphy 1954-8-11 54 A Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  CAS-BOT-BC138935  Agrostis pallens John Thomas Howell 1939-8-9 15213 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC65670  Agrostis scabra Donald W. Miles 1979-7-23 22 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  LA10270  Agrostis stolonifera J. R. Swallen; 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  UC1265424  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou cliffs s English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 1645 Comment
  UCD53445  Agrostis stolonifera Beecher Crampton 1956-8-21 3802 Siskiyou slopes of Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. Comment
  UCD53524  Agrostis stolonifera P. B. Kennedy 1923-7-29 s.n. Siskiyou Sisson (Mount Shasta), by camp. Comment
  SEINET4342108  Agrostis stolonifera E. Palmer 1892-1 2621 Siskiyou Near Mt. Shasta Comment
  HSC65342  Aira caryophyllea J. P. Smith 1973-5-5 6378 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC1733720  Allium Frank Gould, Kay H. Beach 1940-5-15 1235 Siskiyou upper Bull Meadows Comment
  HSC58904  Allium falcifolium Marvin Butler 1971-7-5 5 Siskiyou Near El Capitan Lake 1738 Comment
  CAS-BOT-BC469233  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mountain, North Coast Ranges 1645 Comment
  HSC77149  Allium falcifolium L. P. Janeway 1983-8-27 619 Siskiyou Along Twin Valley/Poker Flat trail 1677 Comment
  UCD141852  Allium hoffmanii Alfred H. Murphy 1961-7-20 61 P Siskiyou west of Marble Valley Guard Station, Marble Mountains. 2042 Comment
  UC1299631  Allium siskiyouense Freed W. Hoffman 1951-7-12 3793 Siskiyou Packers Valley above Hammonds Camp; Marble Mountains, Packers Valley 2072 Comment
  CAS-BOT-BC478029  Allium validum Geo. D. Butler 1910-6-19 1577 Siskiyou Wet meadows, Goosenest foothills 1524 Comment
  CAS-BOT-BC478032  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  CAS-BOT-BC478034  Allium validum A C Hoofer 1926-10-12 11 Siskiyou Preston Peak District 1828 Comment
  RSA634227  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC43034  Allophyllum gilioides J. O. Sawyer, Ken Stillman 1976-7-2 2807 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC171405  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  SEINET5536248 Image available Alnus incana subsp. tenuifolia A. A. Heller 1916-1 12559 Siskiyou near Sisson 1071 Comment
  UC1045286  Alnus rhombifolia W. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to Box Canyon of the Sacramento (near Mt. Shasta City) Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC4970  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 192 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC68432  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-7-4 1447 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  JEPS94898  Alyssum alyssoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9178 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  RSA52438  Alyssum alyssoides Dorothy Parker 1948-6-12 s.n. Siskiyou Siskiyou County: Parker Ranch, Plowman s Valley Comment
  HSC65142  Amaranthus powellii J. P. Smith, Steve Selva 1970-7-17 4434 Siskiyou Parking lot behind ice machine in Ft. Jones. Comment
  RSA184728  Amelanchier pumila Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  JEPS120214  Amelanchier utahensis Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -078 Siskiyou NW side of Gumboot Lake Comment
  UC166492  Amelanchier utahensis Geo. D. Butler 1908-5-30 493 Siskiyou Humbug Mountain Comment
  SEINET12480057  Amsinckia menziesii G. D. Butler 1269 Siskiyou Yreka. Comment
  UC1178231  Amsinckia menziesii var. menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou intersection of Miner's Creek Road and Tiger Creek Road Comment
  CAS-BOT-BC45206  Anaphalis margaritacea Carl B. Wolf 1927-8-27 1148 Siskiyou On the Klamath River 10 mi above the Salmon River Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  JEPS80570  Anemone deltoidea Gilbert Muth 1965-8-3 160 Siskiyou pothole in marble, Marble Mt Wilderness Area Marble Mt Wilderness Area 1792 Comment
  HSC69438  Anemone deltoidea John Palmer 1980-8-13 797 Siskiyou Dead Cow Creek near USFS Rd. 47N44, Beaver Creek Rd. 1616 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
  RSA50230  Anemone deltoidea E. K. Balls 1949-7-9 13938 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SEINET8664276  Anemone deltoidea W. Roderick 1967-7-23 s.n. Siskiyou O'Brien-Happy Camp Road, ca 15 miles from Happy Camp. 1219 Comment
  CAS-BOT-BC391851  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC32294  Anemone drummondii J. O. Sawyer 1971-6-30 2398 Siskiyou 1677 Comment
  UCD77335  Anemone drummondii var. drummondii Robert E. Preston 2002-6-20 1858 Siskiyou Klamath National Forest, Rainbow Mountain 2255 Comment
  HSC43361  Anemone lyallii N. G. Sugihara 1977-5-28 65 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  CDA42371  Anemopsis californica Jodi Aceves 2014-7-7 PDR# 470 P06027653 Siskiyou East of Grenada, off of Highway A-12, approx. 1/2 mile east of Ralston Road, south side. 0 Comment
  JEPS16076  Angelica arguta Geo. D. Butler 1908-8-3 465 Siskiyou Log Lake, Shackleford Creek hackleford Creek; Log Lake, Shackleford Creek Comment
  JEPS22050  Angelica arguta Rimo Bacigalupi with Reino and Aloha Alava 1958-9-1 6798 Siskiyou 6.2 mi above junction with road to Gumboot Lake (sw of Mount Shasta town (formerly Sisson), headwaters Sacramento River, on road to Castle Lake, drainage of Scott Camp Creek) 1432 Comment
  UC985973  Angelica arguta T. S. Brandegee July 1887 Siskiyou Mount Shasta Comment
  UC165287  Antennaria argentea Geo. D. Butler 1908-6-29 334 Siskiyou near Oro Fino Comment
  UC454329  Antennaria argentea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  RSA416678  Antennaria argentea M. B. Dunkle 1944-7-7 9089 Siskiyou Deer Creek. 1768 Comment
  UC891579  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on highway #49) 1066 Comment
  HSC29211  Antennaria howellii Frederick W. Oettinger 1986-9-3 679 Siskiyou High Lake Basins of the Marble Mountains Wilderness Area; between Horse Range Lake and 'Horses Hole' pond 1860 Comment
  POM229877  Antennaria media L. C. Wheeler 1935-7-23 3690 Siskiyou Jaynes Canyon. Siskiyou Mts., Mt. Diablo Mer. 1951 Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC94800  Antennaria rosea R. C. Wenk 2005-6-17 171 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at S end of Big Flat Meadow 1517 Comment
  RSA238707  Antennaria rosea Frederick W. Oettinger, J. Morrison 1967-8-17 277 Siskiyou Common on Shasta Ridge, approx. 0.1 mi. SSW of Diamond Lake; e-facing slope amid granite boulders near woods edge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  RSA416677  Antennaria rosea M. B. Dunkle 1945-1 9315 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA416705  Antennaria rosea L. C. Wheeler 1934-8-2 3016 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  UC1409504  Antennaria rosea F. W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw Salmon Mountains 1676 Comment
  HSC69506  Antennaria rosea subsp. rosea John Palmer 1980-7-24 654 Siskiyou Dillon Divide 1707 Comment
  JEPS94255  Antennaria rosea subsp. rosea Vernon H. Oswald and Lowell Ahart 1998-6-11 9210 Siskiyou 22 air mi ne of Weed (9 air mi e of Grass Lake located on Highway 97, Old State Highway 0.1 mi e of Tennant Road) 1402 Comment
  HSC45048  Antennaria rosea subsp. rosea J. O. Sawyer 1978-6-19 3256 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  JEPS5337  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones (on the light hill grade) 762 Comment
  HSC100337  Apera interrupta J. P. Smith 2011-7-15 13306 Siskiyou Along the road to Bray, 0.8 mi. from its junction with Tennant Road 1419 Comment
  CHSC1171  Aphyllon purpureum M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  HSC61204  Apocynum androsaemifolium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  UC1034601  Apocynum androsaemifolium Douglas Barbe 1955-6-30 53 Siskiyou just w. of Forest camp Etna 914 Comment
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  CAS-BOT-BC394983  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-23 4476 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  UC1034609  Aquilegia formosa Douglas Barbe 1955-6-29 34 Siskiyou 1.8 mi e Callahan (south bank of Scott River); Klamath Mountains 975 Comment
  UC1483511  Aquilegia formosa Maralyn A. Renner 1980-8-21 2556 Siskiyou Kidd Creek Coffee Creek quad., Klamath National Forest 2042 Comment
  HSC58962  Aquilegia formosa var. truncata Gilbert Muth 1975-7-29 4090 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  HSC44499  Arabis breweri var. breweri K. Irwin 1977-5-22 386 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC22442  Arabis divaricarpa var. interposita J. O. Sawyer 1969-6-2 1020 Siskiyou Summit above Albert Lake 2256 Comment
  UC1034582  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 mi s Etna (at junction of Parrot Mill Rd and French Creek Rd) 944 Comment
  SEINET3899885  Arabis holboellii var. retrofracta C. Leo Hitchcock, J. P. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mt.; 0 1829 Comment
  HSC49944  Arabis modesta G. L. Clifton, Walter Overton 1979-5-28 3453 Siskiyou Near Klamath River, close to the town of Seiad Valley 488 Comment
  UC583410  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou between Hamburg and Seiad Valley; Klamath River Comment
  HSC237  Arabis puberula William J. Ferlatte 1967-7-6 608 Siskiyou Dorleska Summit 2134 Comment
  HSC90570  Arabis puberula Jennifer Whipple 1976-6-11 961 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC583383  Arabis sparsiflora Elmer I. Applegate 1932-6-13 7239 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  HSC6571  Arabis subpinnatifida Lincoln Constance, R. C. Rollins 1942-5-14 2923 Siskiyou Road to Walker Post Office, 4 mi. W of Yreka 1220 Comment
  POM143232  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou Near Yreka. Comment
  SEINET2118123  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen, C. M. Daugherty 2008-8-8 08 -23 Siskiyou Klamath National Forest. Baldy Mountain, 18.2 km W of Indian Creek on forest road 17N11 (Doolittle Creek Road) 1820 Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  UC618794  Arceuthobium campylopodum W. B. C. 1938-9-2 11593 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  SEINET2139750  Arceuthobium monticola R. L. Mathiasen 2008-1 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  SEINET2116925  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-12 2004 -32 Siskiyou Eaton Lake. Russian Wilderness Area 2000 Comment
  SEINET2140127  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness. 1730 Comment
  CAS-BOT-BC102220  Arctium minus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek Comment
  HSC65501  Arctostaphylos nevadensis R. White 1977-6-20 89 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  SEINET11990949  Arctostaphylos nevadensis W. Knight, Knight, I. 1983-1 4885 Siskiyou Terrace Lake 1890 Comment
  CAS-BOT-BC46464  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Hwy. 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC46469  Arctostaphylos patula Alice Eastwood 1917-9-2 6683 Siskiyou Shasta Springs. Comment
  LA42233  Arctostaphylos patula William Bridge Cooke; 1939-8-4 sn Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  UCSB15822  Arctostaphylos patula Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  HSC67139  Arctostaphylos viscida J. P. Smith 1973-5-5 6441 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC47022  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  CAS-BOT-BC47096  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  JEPS51409  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake 1371 Comment
  SEINET11943706  Arenaria rubella H. P. Chandler 1901-1 1673 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC82104  Arnica cernua R. C. Barneby 1954-5-16 11513 Siskiyou Klamath R. [canyon] Canyon 1/2 miles below mouth of Scott River 441 Comment
  UC1037313  Arnica chamissonis Leo Whitney 1934-6-23 1836 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC46314  Arnica discoidea J. P. Smith, Steve Selva 1970-7-15 4370 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  UC130795  Arnica discoidea Dr. Palmer Siskiyou near Sisson's Comment
  RSA237420  Arnica diversifolia Frederick W. Oettinger 1969-8-19 1441 Siskiyou 1/2 mile NNE of English Peak and within English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC82664  Arnica latifolia John Thomas Howell 1937-7-24 13380 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC82669  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SDSU6179  Arnica latifolia D. F. Howe 1972-7-5 4871 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  POM30782  Arnica mollis var. scaberrima Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek. 1220 Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET5712646  Artemisia arbuscula J. M. Tucker, L. K. Mann 1963-1 3764 Siskiyou Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain) Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2103 Comment
  SEINET215202  Artemisia campestris J. M. Tucker, Sandra L. Holloway 1963-8-18 3750 Siskiyou On decomposed marble scree, southeast-facing slope, southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2134 Comment
  HSC28251  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4816 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS94885  Artemisia ludoviciana subsp. incompta Vernon H. Oswald and Lowell Ahart 1998-7-21 9339 Siskiyou on the s side of Tennant Road 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake, on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  HSC92871  Artemisia tridentata subsp. tridentata Jennifer Whipple 1978-10-6 2412 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA598718  Asarum caudatum R. S. Woglum 1938-8-28 2077 Siskiyou Siskiyou Mountains, Bear Basin. Comment
  CAS-BOT-BC400691  Asarum hartwegii Ira L. Wiggins 1940-7-5 9480 Siskiyou 11 miles east of Sawyer's Bar on road to Etna 1011 Comment
  UC220787  Asclepias cordifolia H. E. Brown Jun 11 1897-Jun 16 1897 371 Siskiyou n side Mt. Shasta 1524 Comment
  POM130031  Asclepias fascicularis E. B. Copeland 1903-7-4 3558 Siskiyou Klamathon Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  JEPS93924  Asclepias speciosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  RSA15601  Asclepias speciosa C. B. Wolf 1927-8-26 1100 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  RSA240059  Asclepias speciosa Frederick W. Oettinger 1969-8-12 1331 Siskiyou 1 mile from Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC69560  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Head of little Soda Ck., Sterling Mt., Siskiyou Mts. Mt. Diablo Mer. 1432 Comment
  RSA686372  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountain 1433 Comment
  UC218601  Aspidotis densa C. G. Pringle 1882-9-3 Siskiyou Mts above head waters of Sacramento River Comment
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Jul 19 2010
  RSA238783  Aster alpigenus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1293 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA502325  Aster radulinus Wm. Taylor, Glenn L. Clifton 1987-8-5 9225 Siskiyou Forest Road 26N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC178821  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Road Comment
  HSC42070  Astragalus californicus Sue Sweet 1977-5-21 70 Siskiyou Junction of Miner's Creek Rd. and Rd. 8, 5.5 mi. W of Callahan on Rd. 8. 1037 Comment
  CHSC71297  Astragalus curvicarpus Vernon H. Oswald; Lowell Ahart 1998-6-11 9183 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northwest of Weed. 1066 Comment
  CDA26648  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  CDA26673  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2597 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  CDA26674  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2776 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  SEINET7040265  Astragalus newberryi var. newberryi A. G. Vestal 1963-6-1 s.n. Siskiyou 3.6 miles northwest of Route 97 on road to Darnnell Reservoir. Southeast part of the Shasta Valley. Comment
  JEPS54792  Astragalus purshii E. B. Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  UC585207  Astragalus purshii var. lagopinus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1954 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); n slopes Mt. Shasta 1249 Comment
  HSC82283  Astragalus purshii var. lectulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 4803 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  RSA47627  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], East Fork of Scott River Comment
  UC1034072  Athyrium distentifolium var. americanum W. Bridge Cooke 1941-9-10 16313 Siskiyou Horse Camp Creek; Mt Shasta Comment
  UC150679  Athyrium distentifolium var. americanum Dr. E. B. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  HSC61203  Athyrium distentifolium var. americanum Al Hobart Siskiyou El Capitan Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  CAS-BOT-BC66202  Athyrium filix-femina var. cyclosorum H. E. Brown 1897-7-15 s.n. Siskiyou South side Mt. Shasta 3048 Comment
  HSC35797  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-25 321 Siskiyou Along Horse Range Creek 1829 Comment
  UC399379  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Woolly Creek Cold Spring Comment
  CAS-BOT-BC66181  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at Marble Valley Comment
  CAS-BOT-BC66184  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  HSC23664  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along C.C.C. rd. near Horse Range Cr. 1280 Comment
  HSC29370  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin Spring 2043 Comment
  HSC36729  Athyrium filix-femina var. cyclosorum Brent Whiteley 1975-7-1 112 Siskiyou 671 Comment
  RSA245302  Atriplex rosea J. P. Smith, J. Sawyer 1972-9-14 5796 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  POM312479  Atriplex truncata Verne Grant, Irving Schneider 1947-8-26 8301 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  CAS-BOT-BC100051  Balsamorhiza hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC100104  Balsamorhiza sagittata Elmer I. Applegate 1935-6-8 9439 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC16685  Barbarea orthoceras John Thomas Howell 1939-8-10 15273 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  RSA237235  Barbarea orthoceras Frederick W. Oettinger 1968-9-10 813 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CAS-BOT-BC16805  Barbarea verna Mrs. H. C. Cantelow 1939-6-10 2584 Siskiyou 22.4 miles southwest of McCloud on road to Burney. Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  HSC5006  Berberis aquifolium var. repens J. O. Sawyer 1968-9-9 647 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC75719  Berberis nervosa H. A. Thomas; J. H. Thomas 1954-7-23 4477 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  CAS-BOT-BC75723  Berberis nervosa Alice Eastwood 1917-9-2 6685 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC75936  Berberis piperiana C. Hart Merriam 1919-10-12 s.n. Siskiyou Scott Valley (near Etna). Comment
  CAS-BOT-BC75942  Berberis piperiana John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53430 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 990 Comment
  CAS-BOT-BC169489  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Comment
  HSC68580  Betula occidentalis Maralyn A. Renner 1980-6-23 972 Siskiyou W Fork Seiad Creek 878 Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC413080  Bistorta bistortoides Doris K. Kildale 1929-8-24 9039 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UC166215  Blepharipappus scaber Geo. D. Butler 1909-4-28 590 Siskiyou Cherry Creek Comment
  UCD129460  Blepharipappus scaber Robert E. Preston 1995-6-18 884 Siskiyou Irongate Reservoir, CA. 0.6 miles NNW of dam at roadside. 731 Comment
  CAS-BOT-BC15927  Boechera arcuata Reed Rollins 1938-6-17 11051 Siskiyou Mount Shasta. Sisson Southern Trail 1371 Comment
  UC1409482  Boechera breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou between Diamond Lake and Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  CAS-BOT-BC16053  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  UC1504530  Boechera divaricarpa Dorothy Parker 1951-5-10 397 Siskiyou Kidder Creek Scott Valley 914 Comment
  UC609356  Boechera divaricarpa Eleanor Burks Hart 1938-8-15 908 Siskiyou Upper Wright Lake 2255 Comment
  UCD114320  Boechera divaricarpa A. H. Murphy 1953-7-28 KNF 10 Siskiyou Long Gulch Camp, Siskiyou-Trinity County. 1889 Comment
  JEPS53088  Boechera pauciflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka Comment
  SEINET3165707  Boechera pauciflora R. W. Spellenberg 2006-6-19 13746 Siskiyou On the Gazelle-Callahan Road, 3 km NE of junction to village of Callahan, 35 km SW of Gaselle. 1050 Comment
  CAS-BOT-BC14671  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  JEPS104001  Boechera retrofracta Geo. D. Butler 1908-8-3 128 Siskiyou near Log Lake 1524 Comment
  JEPS53084  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  SEINET3561644 Image available Boschniakia strobilacea James Montgomery 1969-7-24 80918 c Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  UC718020  Boykinia occidentalis Carl B. Wolf 1934-7-4 5928 Siskiyou 7/10 mi below mouth of Dillon Creek; Siskiyou Mountains, Klamath River, Dillon Creek 243 Comment
  UC144809  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Gazelle Comment
  RSA577539  Bromus carinatus L. C. Wheeler 1935-5-11 3476 Siskiyou Klamath River at Ash Creek 610 Comment
  CHSC61559  Bromus carinatus var. carinatus L. P. Janeway 1983-9-11 683 Siskiyou Siskiyou Mountains; at Poker Flat. In the middle of the lower part of the meadow. 1524 Comment
  CAS-BOT-BC148790  Bromus carinatus var. marginatus M. B. Dunkle 1945-7-8 9214 Siskiyou Klamath Forest. Black Marble Mountain shoulder. 2133 Comment
  HSC103020  Bromus hordeaceus J. P. Smith 2014-6-6 13877 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CAS-BOT-BC155279  Bromus inermis Hans Karstensson; Ethel Hyde 1939-7-26 s.n. Siskiyou Near Tule Lake, northeast corner of Siskiyou county. 1280 Comment
  CDA1822  Bromus inermis T. C. Fuller 1962-8-3 9494 Siskiyou Highway 139 to Stronghold, 0.2 miles southeast of the town of Tulelake. 0 Comment
  RSA211238  Bromus marginatus William J. Ferlatte 1966-6-23 138 Siskiyou along the Yellow Rose Mine Trail. 1677 Comment
  RSA238370  Bromus marginatus Frederick W. Oettinger 1969-9-4 1628 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD59078  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  JEPS69218  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  CAS-BOT-BC185602  Bromus tectorum R. E. Frenkel 1963-7-13 231 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River Railroad crossing near Mount Shasta. 1219 Comment
  UC2026512  Bulbostylis capillaris Louis C. Wheeler 1958-8-24 7432 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  CAS-BOT-BC185263  Calamagrostis koelerioides Doris K. Kildale 1928-8-20 6621 Siskiyou Hancock Lookout, on trail to Marble Mountain. 2151 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30597  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 771 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  UC1483502  Calamagrostis koelerioides Maralyn A. Renner 1980-8-7 2362 Siskiyou s Rattlesnake Meadow (ridge just to e of saddle); Klamath National Forest, Preston Peak Quad. 1798 Comment
  SEINET7584065 Image available Calliscirpus criniger Frederick W. Oettinger 1968-8-2 350 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, near Diamond Lake. 2073 Comment
  JEPS19745  Callitriche Rimo Bacigalupi with S. Galen Smith 1957-6-27 5976 Siskiyou 20 mi ne of Weed (at margins of marsh of Grass Lake, on route between Weed and Klamath Falls); Grass Lake 1544 Comment
  POM215868  Callitriche verna L. C. Wheeler 1935-6-13 3568 -1/2 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  CAS-BOT-BC487851  Calochortus coeruleus W. B. Cooke; V. G. Cooke 1946-6-17 17525 Siskiyou Along road below Wagon Camp, Mt. Shasta 1737 Comment
  SEINET10872529  Calochortus coeruleus var. fimbriatus Mary Susan Taylor 1980-7-8 Taylor 3109 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  JEPS61648  Calochortus elegans Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station Siskiyou Mts. 2062 Comment
  CAS-BOT-BC488603  Calochortus elegans var. nanus Marion Ownbey; D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains west of Yreka Comment
  SEINET5078371  Calochortus greenei Unknown 1995-7-1 25 Siskiyou near Table Mountain; east of Yreka, CA Comment
  SEINET8339364  Calochortus macrocarpus Frank Callahan 2007-6-23 Siskiyou Louie Rd. exchange off I-5 going northeast on pavement - pavement ends and road turns to gravel. Comment
  HSC44990  Calochortus nudus J. P. Smith, Steve Selva 1970-7-27 4521 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS77489  Calochortus nudus Susan Horner 1978-1 421 Siskiyou 1 mi s Sheepheaven Spring (private meadow along Sheepheaven Creek, about 4.5 mi n of Bartle); Sheepheaven Creek 1402 Comment
  CAS-BOT-BC493098  Calochortus nudus J. Aug. Kusche 1914-6-1 s.n. Siskiyou Mt. Shasta 1828 Comment
  UC1094390  Caltha biflora Rimo C. Bacigalupi with Galen Smith 1957-6-26 5955 Siskiyou Gumboot Lake, head of the South Fork of Sacramento River ca. 6 miles due south of Mt. Eddy. 1859 Comment
  UC165949  Caltha biflora Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC181508  Caltha leptosepala A. A. Heller 1915-7-15 12086 Siskiyou Mt. Eddy 2072 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
  JEPS81792  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  UC89046  Calycadenia fremontii unknown 1890-10-1 Siskiyou near Sissons Comment
  UC894270  Calycadenia truncata Alice Eastwood 1922-10-23 11552 Siskiyou Yreka Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  UC135678  Calyptridium umbellatum Dr. E. B. Copeland 1903-7-17 3507 Siskiyou Mount Shasta; Pacific Coast, Mount Shasta 2316 Comment
  SEINET7126172  Calystegia occidentalis G. D. Butler 1910-5-23 1397 Siskiyou Humbug mountain 1067 Comment
  RSA394811  Calystegia occidentalis subsp. occidentalis M. B. Dunkle 1944-7-15 9109 Siskiyou Siskiyou Natl. Forest. Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  CDA3580  Camelina microcarpa T. C. Fuller 1958-6-18 1807 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC6614  Camelina microcarpa L. C. Wheeler 1934-6-10 2672 Siskiyou Siskiyou Mtns., Hungry Creek 1098 Comment
  UC164338  Camissonia contorta Geo. D. Butler 1909-4-26 615 Siskiyou Oro Fino Comment
  RSA29661  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek, Siskiyou Mountains 854 Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  SEINET10462907  Campanula prenanthoides Davy 1899-6-27 DAVY 5889 Siskiyou WEITCHPEC, ON BANKS OF KLAMATH R. Comment
  SEINET10463072  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou KLAMATH NATL FOR ALONG HWY 96 NR SOMES BAR. T12N R6E Sec. 33 219 Comment
  HSC91399  Campanula scabrella Jennifer Whipple 1976-7-7 1334 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  SEINET10463766  Campanula scouleri Overton 1979-8-6 OVERTON 12918 Siskiyou Near Sutcliffe Creek, on the Presto Peak quadrangle, close to the town of Happy Camp, streamside, Evergreen Conifer forest. 1158 Comment
  UC61194  Campanula scouleri W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson Mount Shasta Comment
  SEINET10939071  Campanula scouleri Rimo Bacigalupi, Lincoln Constance; Lawrence R. Heckard 1960-7-20 Bacigalupi 7453 Siskiyou Along Del Norte-Siskiyou County boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River -- leading to Twin Valley 1585 Comment
  SEINET10872989  Campanula wilkinsiana Cooke 1938-9-17 COOKE 11698 Siskiyou Mount Shasta; Horse Camp Springs, on the Summit trail & Squaw Cr. Meadows. 2469 Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  UC166117  Cardamine nuttallii Geo. D. Butler 1909-3-22 566 Siskiyou Scott River <N?> <S?> Oro Fino; Scott River <?> of Oro Fino Comment
  CAS-BOT-BC18393  Carex Elmer I. Applegate 1895-5-28 782 Siskiyou Strawberry Valley. Sisson. Comment
  RSA22261  Carex abrupta J. T. Howell 1939-8-3 14962 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA237245  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1260 Siskiyou Lower pond, Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 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-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  RSA364723  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  UCD140120  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Siskiyou-Trinity County line: northwest-facing slope of Scott Mountain. 1828 Comment
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  CAS-BOT-BC19650  Carex brainerdii Alice Eastwood 1923-5-18 11852 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC40138  Carex brainerdii L. P. Janeway 1983-6-25 341 Siskiyou On rock bluff above Klamath R, e side, near Independence Cr Br. 274 Comment
  UC823366  Carex breweri A. A. Heller 1922-7-3 13679 Siskiyou Mount Eddy above the head of Wagon Creek 2560 Comment
  CAS-BOT-BC34885  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13476 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1265328  Carex echinata subsp. echinata Frederick W. Oettinger and R. F. Thorne 1969-8-7 1270 Siskiyou margin of English Lake Salmon Mts., Marble Mountain Wilderness Area, English Lake 1767 Comment
  UC1950436  Carex echinata subsp. echinata Barbara Ertter 1990-7-14 9351 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
  HSC96592  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 488 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS84180  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  HSC29642  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  UC1265343  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou sw Wiregrass Meadows (below English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC1608358  Carex gigas J. Kierstead 1991-7-3 91 -96 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  UCR52389  Carex gigas L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  CAS-BOT-BC20468  Carex halliana Dean William Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-6 9248 Siskiyou Extreme NE portion of county. Medicine Lake. About 300 NW of USFS guard station on road to Little Mt. Hoffman. 2039 Comment
  HSC89763  Carex halliana D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
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Sep 21 2012
  RSA0034288  Carex hassei Peter F. Zika, Barbara Wilson 2011-7-31 25668 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  SEINET11309837 Image available Carex hassei Unknown 2009-1 24535 Siskiyou Near Pacific Crest Trail, Route 3, Scott Mountain Summit, Klamath Range (KR). Comment
  SEINET12649458 Image available Carex hassei Peter F. Zika, Barbara Wilson 2011-1 25675 Siskiyou 1700 Comment
  CAS-BOT-BC22295  Carex hassei W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Sisson. Comment
  SEINET3902134  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  HSC76795  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC7553  Carex infirminervia John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC35523  Carex jonesii John Thomas Howell 1937-7-22 13256 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  HSC33317  Carex lanuginosa William J. Ferlatte 1974-7-14 1531 Siskiyou Big Flat, near S fork of Salmon River, 100 yds W of campground 1524 Comment
  UC1105687  Carex luzulina var. ablata S. S. Tillett 1956-7-9 639 Siskiyou ca. 8 mi se Callahan (small lake e of Scott Mtn.); Siskiyou-Trinity Co. line 1828 Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC77196  Carex multicaulis L. P. Janeway 1983-6-26 350 Siskiyou Near W Branch USFS Station 671 Comment
  CHSC96404  Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Klamath Ranges. Salmon Mountains: slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  CAS-BOT-BC32277  Carex multicostata John Thomas Howell 1939-8-8 15149 A Siskiyou Black Mt. Comment
  HSC76673  Carex multicostata K. T. Stillman 1976-7-21 282 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC85829  Carex multicostata L. P. Janeway 1983-7-2 362 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  CHSC38992  Carex nebrascensis J. D. Jokerst 1983-7-5 1828 Siskiyou N end of Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  HSC76373  Carex nebrascensis L. P. Janeway 1982-8-14 133 Siskiyou Between Hwy. 96 and Klamath River, near level of Hwy. 427 Comment
  HSC96015  Carex nigricans Juha Pykala, D. H. Norris 1987-7-7 2357 Siskiyou Mt. Shasta, Everitt Memorial Highway, Panther Meadow 2287 Comment
  CAS-BOT-BC119479  Carex nudata Alice Eastwood; John Thomas Howell 1937-6-26 5059 Siskiyou Near Forks of Salmon Comment
  POM173649  Carex nudata Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  SEINET10949630  Carex paucicostata Thomas W. Nelson, Jane P. Nelson 1979-6-16 Nelson 4862 Siskiyou China Mountain Quad. T40N, R8W, Secs. 24 & 25. Drying meadow above Mule Creek along State Route 3, 4.4 miles north of Scott Mountain Summit. 1219 Comment
  JEPS93891  Carex pellita Vernon H. Oswald and Lowell Ahart 1998-7-21 9353 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  SEINET10715701  Carex pellita A. Arthur Heller 1905-6-22 Heller 8095 Siskiyou Between Igerna and Weed. Comment
  CAS-BOT-BC119128  Carex phaeocephala William Bridge Cooke 1940-7-26 15386 Siskiyou On west side of Shastina. Mount Shasta. 2743 Comment
  RSA715932  Carex praegracilis L. Ahart, John Dittes 2005-6-10 12108 Siskiyou 30yards east of the Shasta River, about 60 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
  RSA577426  Carex praegracilis L. C. Wheeler 1935-6-30 3633 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC118770  Carex preslii John Thomas Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SEINET7572494 Image available Carex preslii Ray Tallent 1987-8-16 940 Siskiyou Mt. Shasta area, Panther Meadows Trailhead area. 2220 Comment
  RSA238934  Carex preslii Frederick W. Oettinger 1969-9-3 1620 a Siskiyou Shasta Ridge below English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CDA33140  Carex rossii D. Osterhandt 1977-6-29 Siskiyou Forest plantation, Klamath National Forest, near Weed. 0 Comment
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  HSC91375  Carex rostrata Jennifer Whipple 1977-8-6 2244 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC117909  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley lower meadow near trail, on W side of creek. 1493 Comment
  CAS-BOT-BC117911  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC49934  Carex scabriuscula Gilbert Muth 1978-8-4 7589 Siskiyou Near Big Carmen Lake, close to the town of Callahan 1707 Comment
  HSC39286  Carex spectabilis J. O. Sawyer 1969-8-4 1846 Siskiyou Above Sugar Lake 2134 Comment
  UC1265455  Carex spectabilis Frederick W. Oettinger 1969-8-6 1254 Siskiyou New York Flumes, Pine Lake Basin Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC117235  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1950 Comment
  RSA238962  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Water at south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC115843  Carex subfusca Lewis Samuel Rose 1937-7-3 37393 A Siskiyou Unspecified. 944 Comment
  HSC101889  Carex utriculata Dana York 2011-9-9 3094 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UC1265470  Carex vesicaria var. vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Salmon Mountains, the high lake basins in the vicinity of English Peak Marble Mountain wilderness area, north shoreline of Horse Range Lake; Fir Forest 1821 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  SD76146  Cassiope mertensiana Helen V. Witham 1969-10-6 550 Siskiyou On steep west slope, above Kangaroo Lake. Comment
  JEPS74435  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  RSA0036076  Cassiope mertensiana subsp. ciliolata Louis Cutter Wheeler 1934-8-17 3178 Siskiyou Siskiyou Mts., North Side White Mt. 1828 Comment
  SEINET12027445  Castanopsis chrysophylla M. Ownbey, Meyer, F. G. 1940-1 2222 Siskiyou along Indian Creek,11mi above Happy Camp Comment
  HSC20505  Castilleja applegatei R. C. Wunner 1965-6-6 93 Siskiyou Lava Beds National Monument, .2 mi. on Rd. to Caldwell Ice Cave 1402 Comment
  CAS-BOT-BC241147  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-21 13193 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC44723  Castilleja applegatei subsp. pinetorum J. O. Sawyer, Ed Cope 1977-6-18 2906 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS25852  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7484 Siskiyou just below road summit of Cecilville-Callahan road (new at this time) (overlooking headwaters of South Fork of Scott River) 1880 Comment
  JEPS84199  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  UC138771  Castilleja applegatei subsp. pinetorum Copeland 1903-8-14 3883 Siskiyou Sisson Comment
  CAS-BOT-BC243747  Castilleja applegatei var. pinetorum B. Bartholomew 1988-5-12 4087 Siskiyou 4 kkm E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  HSC19029  Castilleja arachnoidea J. O. Sawyer 1969-7-9 1261 Siskiyou W facing slope above Bingham Lake 2317 Comment
  JEPS16360  Castilleja arachnoidea Peter H. Raven 1956-9-4 10392 Siskiyou just s Mount Eddy 2438 Comment
  JEPS3786  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mt. 1828 Comment
  UC454801  Castilleja arachnoidea I. J. Condit 1911-7-22 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  JEPS3182  Castilleja attenuata Geo. D. Butler 1909-4-16 634 Siskiyou near Yreka Comment
  CAS-BOT-BC32639  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  UC164373  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  UC796539  Castilleja lacera Roxana S. Ferris and Laura Lorraine 1948-6 11787 Siskiyou s of Callahan (Scott Mountain Road) Comment
  CDA41245  Castilleja lacera G. D. Barbe, T. C. Fuller 1972-6-14 945 Siskiyou South of Oberlin Road, between Yreka and Montague. 0 Comment
  UC1096817  Castilleja lacera Milo S. Baker 1957-6-16 13164 Siskiyou near Callahan (after turn-off, trip to Scott Mt.) Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC19255  Castilleja miniata J. O. Sawyer 1969-8-1 1651 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC58883  Castilleja miniata Butler 1971-7-19 147 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  CAS-BOT-BC254009  Castilleja miniata Doris K. Kildale No date on label 9027 Siskiyou White meadow, near Young's Valley, Preston Peak [?hail?] Comment
  CAS-BOT-BC254011  Castilleja miniata Gilbert Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  CAS-BOT-BC254025  Castilleja miniata G. Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  SBBG6805  Castilleja miniata subsp. miniata H. and M. Dearing 1948-9-12 6732 Siskiyou Panther Meadow, Mt Shasta 2316 Comment
  HSC76889  Castilleja pruinosa K. T. Stillman 1976-7-7 154 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC1409379  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou ne of Diamond Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2087 Comment
  RSA184820  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -A Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  CDA41391  Castilleja tenuis Vernon H. Oswald & Lowell Ahart 1998-6-11 9207 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  CAS-BOT-BC48701  Ceanothus cordulatus Wm. Bridge Cooke 1938-6-17 11022 Siskiyou Sisson Southern Trail 1371 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
  UC79966  Ceanothus cordulatus T. S. Brandegee 1889-7-1 Siskiyou Sisson Comment
  CAS-BOT-BC49190  Ceanothus cuneatus Alice Eastwood 1912-8-30 2091 Siskiyou Mount Eddy, North Fork Trail Comment
  CAS-BOT-BC63605  Ceanothus integerrimus Lincoln Constance 1928-6-10 s.n. Siskiyou Dunsmuir. Comment
  UC164400  Ceanothus integerrimus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath Hills Comment
  RSA25704  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  CAS-BOT-BC52113  Ceanothus prostratus Donald Myrick 1961-6-20 268 Siskiyou near Mt. Shasta City Comment
  CAS-BOT-BC52121  Ceanothus prostratus L. E. Smith 1913-4-10 67 Siskiyou Weed Comment
  CAS-BOT-BC53084  Ceanothus prostratus W. R. Dudley 1899-8-27 s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC53089  Ceanothus prostratus L. B. Kildale 1930-6-1 9821 Siskiyou Etna Mills Comment
  HSC27760  Ceanothus prostratus J. P. Smith, J. O. Sawyer 1972-9-13 5793 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  HSC33967  Ceanothus prostratus J. P. Smith 1974-5-25 7433 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC164316  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley Comment
  CAS-BOT-BC53027  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Klamath Forest - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  UC163662  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mountain 1219 Comment
  SEINET12210763  Ceanothus sanguineus R. Gankin, Hildreth, R. 1967-1 1182 Siskiyou 2.6 road mi from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and 1707 Comment
  HSC99932  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13351 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  JEPS42169  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackelford Creek Log Lake 1524 Comment
  UC163729  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC52844  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6588 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC52849  Ceanothus velutinus var. velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou Ridge betw. upper reaches of China and Blind Horse Creek Comment
  HSC92158  Ceanothus velutinus var. velutinus Jennifer Whipple 1976-7-8 1369 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  UC144556  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8051 Siskiyou near Sisson; near Sisson Comment
  CDA36863  Centaurea diffusa D. B. Joley 1976-6-24 5 A Siskiyou Lake Siskiyou. 0 Comment
  RSA170310  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adj. lawn of ranch house and rangeland, W H Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville. Comment
  CDA21356  Centaurea pratensis L. Wehmeyer 2001-11-8 s.n. Siskiyou Environmental Education Area off North Shore Rd. in Mt. Shasta. 0 Comment
  NY444414  Centaurea solstitialis M. L. Conrad 1973-6-1 6970 Siskiyou At the north edeg of Hornbrook 731.5 Comment
  UCD130122  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  POM130333  Centaurium muehlenbergii E. B. Copeland 1903-7-14 3513 Siskiyou Klamathon. Comment
  CAS-BOT-BC288799  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  UC1045277  Cephalanthera austiniae W. Bridge Cooke 1940-6-6 15080 Siskiyou along Castle Lake rd. Comment
  SJSU6517  Cephalanthera austiniae R. W. Trivelpiece 1972-7-11 144 Siskiyou near Elk Creek Divide NW of Boulder Peak c. 10 mi W of Happy Camp 1402 Comment
  UCD20185  Cerastium dichotomum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  RSA211237  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-27 529 Siskiyou Big Flat; wooded area near public camp; Trinity Alps. Comment
  UC71782  Cercis occidentalis Mrs. R. W. Summers 1881-1 3103 Siskiyou base of mt. near Southern's Station; Mt. Shasta Comment
  RSA12610  Cercocarpus betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 miles from Oak Knoll RS on road to Dry Lake Lookout. 1067 Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  CAS-BOT-BC148529  Cercocarpus ledifolius var. ledifolius Ira L. Wiggins 1950-5-28 12377 Siskiyou Serpentine ridge just above Grouse Lake, headwaters of Grouse Creek 1828 Comment
  CAS-BOT-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook 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
  JEPS101368  Chaenactis suffrutescens Dean W. Taylor 1997-6-12 16051 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  JEPS95133  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  RSA480966  Chamaesyce maculata L. C. Wheeler 1935-7-4 3652 Siskiyou Yreka. 800 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
  UC1751253  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-16 Siskiyou near Yreka (Klamath River) Comment
  CAS-BOT-BC165979  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC166091  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC166096  Chamerion angustifolium subsp. circumvagum H. A. Thomas; J. H. Thomas 1954-7-23 4464 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecileville. Vicinity of Blind Horse Creek 1036 Comment
  HSC96826  Chamerion angustifolium subsp. circumvagum S. Lyon 2006-7-18 11 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  JEPS43908  Chamerion angustifolium subsp. circumvagum Geo. D. Butler 1908-8-2 158 Siskiyou Bottom's Camp Shackelford Creek 1219 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  UCD21470  Cheilanthes gracillima Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1210 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
  UC1190383  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou w side Caribou Lake; Salmon-Trinity Alps Primitive Area Comment
  CDA14200  Chenopodium botrys G. F. Hrusa 1997-9-18 14106 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  CDA3040  Chenopodium botrys T. C. Fuller 1966-10-7 15247 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  RSA0110269  Chenopodium incognitum L. C. Wheeler 1935-7-26 3709 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CHSC71575  Chimaphila umbellata Vernon H. Oswald; Lowell Ahart 1998-8-3 9433 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  RSA467021  Chimaphila umbellata subsp. occidentalis M. B. Dunkle 1944-7-15 9099 Siskiyou Deer Creek 1768 Comment
  CAS-BOT-BC39661  Chorispora tenella John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53374 Siskiyou 2 miles south of Grenada, Shasta Valley. 762 Comment
  CDA3704  Chorispora tenella T. C. Fuller 1970-3-24 19360 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  RSA105425  Chrysanthemum leucanthemum G. D. Barbe 1955-7-1 85 Siskiyou 6 mi. south of Etna at junction of the Westside Rd. and the east-west road crossing Scott Valley. 884 Comment
  CAS-BOT-BC36248  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13518 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SBBG1291  Chrysolepis sempervirens H. and M. Dearing 1948-9-12 6736 Siskiyou Mt Shasta Comment
  OBI55492  Chrysolepis sempervirens David J. Keil 1992-7-21 23554 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 4.2 mi W of Scott Mtn road (hwy 3) Comment
  UC5442  Chrysolepis sempervirens Milo S. Baker 1893-8-17 Siskiyou near mouth Sacramento Canyon; Squaw Valley Mts. Comment
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1
  POM261491  Chrysothamnus nauseosus subsp. albicaulis W. Bridge Cooke 1938-8-5 11451 Siskiyou Diller Canyon, near MacBride Springs 2439 Comment
  UCR78453  Cichorium intybus Scott D. White, Julie Greene 1993-8-24 1842 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. 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
  CDA38294  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  UCD127362  Cicuta douglasii P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  JEPS69768  Circaea alpina subsp. pacifica W. B. and V. G. Cooke 1972-7-6 45455 Siskiyou along Mud Creek Dam rd. Mt. Shasta 1371 Comment
  UC1483452  Circaea alpina subsp. pacifica Maralyn A. Renner 1980-6-24 1022 Siskiyou tributary stream to E. Fork Seiad Creek (where crossed by F.S. rd. 48N20); Klamath Nat'l Forest, Seiad Valley Quad. 1018 Comment
  CHSC91197  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12056 Siskiyou Meadow area, on the west side of a poor dirt road, about 1.6 miles (air) south of Highway 99/97 Cutoff, about 5 3/4 miles (air) east-southeast of Grenada. 799 Comment
  JEPS86289  Cirsium cymosum var. cymosum W. L. Jepson 1940-6-22 19977 Siskiyou near Hawkinsville; Shasta River 792 Comment
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 Comment
  CAS-BOT-BC278066  Cirsium douglasii var. breweri Grant 1902-9-10 5149 Siskiyou Sisson Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  UC30778  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 A Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC288008  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC288771  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC286474  Cirsium scariosum A. A. Heller 1905-6-20 8077 Siskiyou Gazelle Comment
  CAS-BOT-BC286472  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Klamath Mountains. Hiwy 99, 4 mi. S of Gazelle Comment
  SD76164  Cirsium vulgare Helen V. Witham 1969-10-9 Siskiyou McBride Springs Road, Mt. Shasta 1500 Comment
  UC1216711  Cirsium vulgare W. B. and V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway Mt. Shasta, Memorial Highway 1219 Comment
  CAS-BOT-BC228982  Cistanthe umbellata John Thomas Howell 1937-7-22 13297 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC228984  Cistanthe umbellata Alice Eastwood 1912-8-30 2016 Siskiyou Mount Eddy Comment
  JEPS43545  Clarkia amoena subsp. huntiana Willis L. Jepson July 1894 14371 Siskiyou Sissons Mt. Shasta Comment
  UC20324  Clarkia lassenensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CDA38037  Clarkia purpurea subsp. quadrivulnera T. C. Fuller 1958-6-19 1803 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC618770  Clarkia rhomboidea W. Bridge Cooke 1938-6-17 11047 Siskiyou Sisson Southern Trail Mount Shasta Comment
  JEPS25602  Clarkia rhomboidea Rimo Bacigalupi 1959-7-2 7235 Siskiyou low divide between Coffee Creek and South Fork Salmon River (at boundary of Trinity and Siskiyou counties) 1524 Comment
  RSA237658  Clarkia rhomboidea Frederick W. Oettinger 1969-7-28 1086 Siskiyou Dry open granite slope above first part of Tom s Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 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
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  HSC29462  Claytonia rubra subsp. rubra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1253 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Basin 1829 Comment
  HSC39746  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-4 2089 Siskiyou Along Sugar Creek 823 Comment
  RSA45340  Claytonia saxosa Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch E side of Scott Valley. 866 Comment
  CAS-BOT-BC443863  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  HSC64322  Claytonia sibirica J. P. Smith, Steve Selva 1970-6-15 3956 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 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
  CAS-BOT-BC92766  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  SBBG70275  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  UC35092  Cleome platycarpa G. H. Chambers 1901-9-2 Siskiyou Montague Comment
  HSC42882  Clinopodium douglasii J. O. Sawyer, Ken Stillman 1976-7-1 2787 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC500963  Clintonia uniflora I. J. Condit 1911-7-1 s.n. Siskiyou Sisson Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  CHSC31204  Collinsia linearis M. S. Taylor 1980-7-8 3115 Siskiyou On ridge s of Castle Lake, above Hearts Lake. 2016 Comment
  HSC29393  Collinsia linearis Brad Klipfel 1969-7-11 978 Siskiyou Due W of NW end of Hancock Lake 1951 Comment
  HSC61808  Collinsia parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC74914  Collinsia rattanii J. P. Smith 1978-5-28 9951 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  JEPS7273  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley Comment
  HSC91175  Collinsia rattanii Jennifer Whipple 1978-7-20 2354 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  UC643298  Collinsia rattanii W. Bridge Cooke 1930-6-27 15196 Siskiyou near the old logging road up the n side of the mountain from Hotlum Station (Mount Shasta); Mount Shasta 1371 Comment
  POM43376  Collinsia sparsiflora var. bruceae Geo. D. Butler 1909-4-4 574 Siskiyou Shasta Valley. Comment
  SEINET7096760  Collinsia torreyi A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  UC168969  Collinsia torreyi var. latifolia Harley P. Chandler Jun 1901 1620 Siskiyou near Marble Mountain (North Coast Ranges, Upper Cottei Valley (=Cuddihy Valley)); North Coast Ranges, Upper Cottei Valley 2133 Comment
  UC454129  Collinsia torreyi var. latifolia I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UC195221  Collinsia torreyi var. latifolia Annie M. Alexander and Louise Kellogg 1911-7-16 253 Siskiyou South Fork Salmon River 914 Comment
  UC164148  Collomia grandiflora Geo. D. Butler 1908-7-2 440 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC94906  Collomia grandiflora R. C. Wenk 2005-7-15 225 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  RSA48009  Collomia heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11780 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1067 Comment
  CHSC86641  Collomia tinctoria Jenny Marr 1993-7-1 24 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC74913  Collomia tracyi J. P. Smith 1978-5-28 9953 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  CAS-BOT-BC376184  Conium maculatum Andrew Townesmith; Karen M. Meyer 2007-8-3 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  JEPS64348  Corallorhiza maculata W. L. Jepson 1940-6-27 20039 Siskiyou Mt. Shasta; e slope 1828 Comment
  CDA36727  Cordylanthus tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-3 16192 Siskiyou Shasta-Trinity National Forest, along road 40N43 west of Lake Siskiyou; at first creek crossing west of junction with road 26. Comment
  JEPS70113  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1972-8-4 3150 Siskiyou ca. 4 mi nw Mt. shasta City (s of Black Butte, 0.1 mi from road parallelling old US Hwy 99, along Pony Trail Dr, near Shasta Abbey (Zen Mission)) 1188 Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  SEINET13682408  Cordylanthus tenuis subsp. tenuis B. L. Wilson, R. E> Brainerd 2010-8-4 16205 Siskiyou FR 41N26, the Eddy Creek Road, 2.8 miles above the junction with Old Stagecoach Road. 1280 Comment
  CHSC105586  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5. +/- 49 feet of Lat. and Long. indicated. 774 Comment
  UCD123183  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16234 Siskiyou at sign at border of Shasta-Trinity National Forest on Highway 89 east of McCloud. 1356 Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  CAS-BOT-BC212073  Cornus nuttallii John Thomas Howell 1937-7-26 13547 Siskiyou Caribou Gulch Comment
  HSC67733  Cornus nuttallii John Palmer 1980-8-12 704 Siskiyou SE of Ward's Gap. 1189 Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  CAS-BOT-BC210425  Cornus sericea Ira L. Wiggins 1955-7-24 13503 Siskiyou Trail at crossing of China Creek 1301 Comment
  CAS-BOT-BC180206  Corylus cornuta subsp. californica Edward Lee 1934-8-14 1111 Siskiyou Little Grayback, E-facing slope near summit. Siskiyou-Del Norte County Line 1851 Comment
  CHSC71469  Crepis acuminata Vernon H. Oswald; Lowell Ahart 1998-7-21 9319 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  HSC29224  Crepis acuminata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1263 Siskiyou Marble Mtn. Wilderness Area, along trail NNE of Tom's and Hancock Lake Basin 2165 Comment
  RSA715494  Crepis bakeri L. Ahart, John Dittes 2005-6-9 12028 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  JEPS36496  Crepis intermedia H. P. Chandler 1729 Siskiyou Shackleford Canyon Comment
  UC91846  Crepis modocensis subsp. modocensis T. S. Brandegee July, 1887 Siskiyou Ager Comment
  UC313843  Crepis monticola J. L. Collins 1927-6-8 Siskiyou Yreka Comment
  UC313844  Crepis occidentalis subsp. occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  CAS-BOT-BC290862  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 2145 Comment
  CAS-BOT-BC290875  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 a Siskiyou Cantara Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET10474591  Crepis pleurocarpa Mary Merello 1993-6-22 Merello 698 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  UC163912  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackleford Creek Log Lake Comment
  UC895344  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  HSC29342  Cryptantha affinis Frederick W. Oettinger 1969-8-6 1229 Siskiyou Marble Mtn. Wilderness Area, between large rocks on S side of Pine Lake 1921 Comment
  CHSC85763  Cryptantha flaccida G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2770 Siskiyou Klamath Ranges. At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  JEPS107318  Cryptantha intermedia Lowell Ahart, John Dittes 2005-6-10 12114 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
  HSC63983  Cryptantha milobakeri J. P. Smith, Steve Selva 1970-6-14 3862 Siskiyou Comment
  HSC63984  Cryptantha torreyana J. P. Smith 1976-5-22 8783 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC1212566  Cryptantha torreyana Francia Chisaki and Helen Sharsmith 1959-8-20 4732 Siskiyou divide between Scott River and East Fork of Salmon River; Inner North Coast Ranges, Carrigher Summit 1981 Comment
  HSC65356  Cryptogramma acrostichoides Rich White 1978-7-3 212 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC68537  Cryptogramma acrostichoides Maralyn A. Renner 1980-6-25 1102 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC69273  Cryptogramma acrostichoides Maralyn A. Renner 1980-9-1 2688 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC383126  Cryptogramma cascadensis Andrew Townesmith; Karen M. Meyer 2007-7-30 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  SEINET10754656  Cryptogramma cascadensis Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  CAS-BOT-BC80537  Cupressus bakeri O. V. Matthews 1939-7-19 39 Siskiyou N.E. slope of [Goose Nest] Goosenest 1828 Comment
  CAS-BOT-BC80554  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove, Cook and Green Region 1219 Comment
  CAS-BOT-BC80559  Cupressus bakeri John Thomas Howell 1934-7-4 12386 Siskiyou between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC85650  Cupressus bakeri Oliver V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest Grove-Goose Nest Region 1828 Comment
  POM265146  Cupressus bakeri O. V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove; Cook and Green Reg. 1067 Comment
  UC650670  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove Cook and Green Region 1066 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  JEPS47086  Cuscuta approximata George D. Butler 1908-7-10 536 Siskiyou Yreka Comment
  UC126701  Cycladenia humilis var. humilis Milo S. Baker 1896-6-10 101 Siskiyou Sisson Comment
  JEPS77490  Cymopterus terebinthinus var. californicus Susan Horner 1978-7-5 MP- 4 Siskiyou between Military Pass Rd. and Bolam Rd. within 3 to 4 mi. of Hwy. 97 Comment
  UCD127598  Cymopterus terebinthinus var. californicus K. M. Meyer; A. Townesmith 2007-8-2 185 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  UC133674  Cynoglossum occidentale A. A. Heller 1905-6-5 7984 Siskiyou Shasta Springs Comment
  UCD119151  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou W. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud. Comment
  CAS-BOT-BC114151  Cyperus squarrosus Carl B. Wolf 1927-8-26 993 Siskiyou On the Klamath River, 5 mi below Hornbrook. Comment
  UC673564  Cypripedium fasciculatum Dorothy Tebbe 1929-7-5 131 Siskiyou Mount Eddy Comment
  POM107859  Cypripedium montanum Geo D. Butler 1910-6-19 1586 Siskiyou Goosenest Foothills. 1524 Comment
  UC164390  Cypripedium montanum Geo. D. Butler 1910-6-19 Siskiyou <?> Mountain Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  UCD60991  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  SEINET10598237  Danthonia californica George D. Butler 1910-7-8 Butler 1660 Siskiyou Wet meadow, Shackleford Creek. 1219 Comment
  POM365004  Danthonia californica var. americana M. B. Dunkle 1945-7-24 9263 Siskiyou Klamath National Forest, Marble Mountains; Dad's Pocket Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UCD60527  Danthonia californica var. americana R. Tofsrud 1948-8-3 s.n. Siskiyou Summit of road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  RSA233683  Danthonia intermedia R. F. Thorne, Frederick W. Oettinger 1969-8-10 38960 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. Comment
  HSC96297  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC76240  Darlingtonia californica Carl Purdy 1897-1-1 s.n. Siskiyou Mount Shasta. Comment
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Nov 6 2019
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  UC1607536  Darlingtonia californica Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9364 Siskiyou at head of river ca 1 mi e Toad Lake (ca 8 air mi w of Mt Shasta City); Middle Fork Sacramento River 1981 Comment
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  HSC43033  Daucus carota J. O. Sawyer, K. T. Stillman 1976-7-2 2806 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC1191432  Delphinium Herbert L. Mason 1948-7-18 13626 Siskiyou Grass Lake Comment
  RSA60841  Delphinium decorum subsp. tracyi Frank W. Gould 1940-5-15 s.n. Siskiyou Bald Mtn on road from Mt. Hebron to Montague 1677 Comment
  CAS-BOT-BC8900  Delphinium glaucum Gilbert J. Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  RSA398634  Delphinium glaucum M. B. Dunkle 1945-8-2 9272 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC9884  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  HSC40241  Delphinium nudicaule J. P. Smith 1976-5-5 8693 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  RSA99311  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  CAS-BOT-BC116162  Delphinium nuttallianum D. E. Breedlove 1962-6-11 3362 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC116164  Delphinium nuttallianum John Thomas Howell 1937-7-24 13404 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1190185  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC118065  Delphinium nuttallianum Roxana S. Ferris; Laura Lorraine 1948-6-12 11885 Siskiyou About 5.5 miles from Etna on forks of the Salmon Road Comment
  CAS-BOT-BC118072  Delphinium nuttallianum George Dexter Butler 1909-6-22 901 Siskiyou Goosenest foothills Comment
  HSC67778  Delphinium nuttallianum J. O. Sawyer, J. Cole 1980-7-21 3871 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC77038  Delphinium nuttallianum K. T. Stillman 1976-6-17 19 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  RSA68853  Delphinium nuttallianum A. E. Culbertson 1943-6-26 103 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCD61220  Deschampsia cespitosa Arthur Menzies 1962-7-21 Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC192463  Deschampsia cespitosa subsp. cespitosa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC201635  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  JEPS84088  Deschampsia elongata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6389 Siskiyou ca. 1.5 mi. e. of Red Butte summit (ca. 7 mi. n.-n.e. of Seiad Valley, w. of Cook and Green Pass) 1900 Comment
  UC166617  Descurainia incana Geo. D. Butler 1908-8-4 Siskiyou Head of Shackleford Creek Comment
  CHSC93557  Descurainia incisa subsp. filipes Lowell Ahart; John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SEINET7063125  Descurainia incisa subsp. filipes A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Springs [Mayten] on the Mayten Road. UTM Zone 10, 549674mE, 4605677mN. (WGS84/NAD83). 224 Comment
  JEPS53412  Descurainia incisa subsp. incisa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek 1676 Comment
  RSA47781  Descurainia pinnata subsp. filipes Roxana S. Ferris, Laura Lorraine 11829 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  CHSC93525  Descurainia sophia Lowell Ahart; John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC48296  Dicentra formosa P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA299461  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  HSC43327  Dicentra uniflora Maralyn O'Meara 1974-5-26 468 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  UCD139161  Dichelostemma ida-maia Louis K. Mann 1963-7-5 s.n. Siskiyou South Russian Creek, around 3 miles (airline) east of Finley Camp, Salmon Mountains. Comment
  HSC5961  Dieteria canescens var. canescens R. C. Wunner 1965-8-21 453 Siskiyou California Lava Beds National Monument; on main road at Crescent Butte 1463 Comment
  CHSC102555  Dieteria canescens var. shastensis L. P. Janeway 2009-8-3 9889 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CAS-BOT-BC291000  Dieteria canescens var. shastensis Alice Eastwood 1921-7-25 10856 Siskiyou Bigelows, on the McCloud Comment
  UC562939  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger Station w end Medicine Lake (w end Medicine Lake) 1981 Comment
  CAS-BOT-BC153658  Diplacus jepsonii A. A. Heller 1922-7-15 13702 Siskiyou At Medicine Lake 2133 Comment
  CHSC57232  Diplacus layneae David M. Thompson 1989-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (Summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  CAS-BOT-BC153720  Diplacus nanus Elmer I. Applegate 1935-6-8 9412 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC1409217  Disporum hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou above Wiregrass Meadow (near English Lake, vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  UC1026909  Dodecatheon alpinum W. B. Cooke 1940-6-6 15069 Siskiyou at outlet of Castle Lake Comment
  HSC32293  Dodecatheon jeffreyi J. O. Sawyer 1971-6-29 2395 Siskiyou Elk Hole 1524 Comment
  HSC61775  Dodecatheon jeffreyi Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1520669  Downingia bacigalupii Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9449 Siskiyou 13.3 mi ssw Macdoel (U.S. Highway 97) Comment
  SD241789  Downingia elegans var. elegans Dean Wm. Taylor 1999-6-9 17240 Siskiyou Cascade Range: Agate Flat, 0.3 miles S of Oregon State Line. 1006 Comment
  CHSC71294  Downingia insignis Vernon H. Oswald; Lowell Ahart 1998-6-11 9217 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS109774  Draba carnosula Dean W. Taylor 2002-7-29 18289 Siskiyou cirque at head of Huston Creek (Huston Creek divide on USFS trail sign at summit) ca. 0.4 miles easterly of summit, South China Mounain 2325 Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC44974  Draba howellii J. O. Sawyer, E. Cope 1977-6-20 2974 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  RSA183729  Draba pterosperma Gilbert Muth 1965-8-4 170 Siskiyou Marble Mountains, Marble Valley Comment
  SEINET4852968  Draba pterosperma G. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1677 Comment
  CAS-BOT-BC41410  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka. 792 Comment
  HSC44704  Draperia systyla J. O. Sawyer, E. Cope 1977-6-18 2900 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  SBBG3019  Drymocallis glandulosa var. glandulosa H. and M. Dearing 1939-7-1 3770 Siskiyou W of Etna on Etna Crk Comment
  CAS-BOT-BC159438  Drymocallis glandulosa var. glandulosa Dorothy Parker 1950-6-15 455 Siskiyou Along Kidder Creek 914 Comment
  CAS-BOT-BC159295  Drymocallis lactea var. lactea Alice Eastwood 1921-7-28 10901 Siskiyou Medicine Lake Comment
  HSC29656  Drymocallis rhomboidea Frederick W. Oettinger, R. F. Thorne 1969-8-5 1209 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake trail 1677 Comment
  CAS-BOT-BC113787  Dulichium arundinaceum Wayne Roderick 1981-7-5 s.n. Siskiyou Cedar Lake Comment
  JEPS109699  Eleocharis decumbens Dean W. Taylor 2002-7-20 18263 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  NY51020  Eleocharis decumbens H. E. Brown 1897-6-11 424 Siskiyou North side of Mt. Shasta 1524.0 Comment
  RSA610534  Eleocharis palustris L. C. Wheeler 1935-7-13 3664 Siskiyou Ager. 793 Comment
  RSA238944  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC227919  Elymus elymoides Elmer I. Applegate 1923-8-18 3862 Siskiyou Top of Redshale Mountain, Medicine Lake region 2438 Comment
  UCD61420  Elymus elymoides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3396 Siskiyou 7 miles N of Weed. Comment
  UC1132993  Elymus elymoides subsp. elymoides H. A. Jensen 1933-9-30 359 Siskiyou Signal Butte Shasta National Forest, Dunsmuir Quadrangle 1341 Comment
  UC53735  Elymus elymoides subsp. elymoides W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UC1024710  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-20 2134 Siskiyou 35 mi sw Tennant; Shasta National Forest 1524 Comment
  HSC19240  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1553 Siskiyou S of High Lake 2210 Comment
  HSC69006  Elymus glaucus Maralyn A. Renner 1980-7-24 2131 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC206595  Elymus glaucus subsp. glaucus L. P. Janeway 1983-9-11 682 Siskiyou Poker Falt, Siskiyou Mountains 1524 Comment
  HSC31100  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  CAS-BOT-BC213810  Elymus repens R. E. Frenkel 1964-7-14 683 Siskiyou On an east shoulder of Everitt Memorial Highway near Mount Shasta, 1.0 mile north of McCloud River RR crossing. 1341 Comment
  UC203918  Elymus trachycaulus Geo. D. Butler 1909-6-27 847 Siskiyou roadside near Yreka Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA50185  Epilobium angustifolium var. macrophyllum E. K. Balls 1949-7-8 13922 Siskiyou Road from Scott Mountain to Callahan, southern Siskiyou county. 1372 Comment
  HSC215  Epilobium brachycarpum William J. Ferlatte 1966-8-2 239 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  JEPS43818  Epilobium brachycarpum Geo. D. Butler 1908-9-5 136 Siskiyou e side of High School lot Yreka Comment
  UC164268  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  POM89974  Epilobium brachycarpum L. R. Abrams 1922-8-7 9914 Siskiyou Weed. Comment
  RSA240051  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CDA38080  Epilobium ciliatum subsp. ciliatum Jennifer Whipple 1977-8-6 2242 Siskiyou Klamath Mountains; Dale Creek drainage on the north face of Mount Eddy. Comment
  HSC29132  Epilobium ciliatum subsp. ciliatum Frederick W. Oettinger, R. F. Thorne 1969-8-5 1201 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail to Abbotts 1677 Comment
  RSA8242  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-8-21 3917 Siskiyou Willow Creek, south of Lower Klamath Lake Comment
  POM171594  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1928-8-19 6560 Siskiyou Hancock Lake, on trail to Marble Mt. 2134 Comment
  HSC96312  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig 1998-8-14 1019 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC24698  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer 1969-7-26 1592 Siskiyou Along Sugar Creek 1707 Comment
  HSC19487  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-5 1951 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  UC1408904  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou stream inlet into Hancock Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC77154  Epilobium luteum L. P. Janeway 1983-9-11 679 Siskiyou Along creek edge just W of Poker Flat along the trail to Twin Valley 1524 Comment
  HSC44948  Epilobium minutum J. O. Sawyer 1978-6-17 3235 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC49637  Epilobium minutum J. P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River Comment
  SBBG25890  Epilobium minutum D. Myrick 1966-8-9 1506 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  POM38546  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek. 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
  RSA755537  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  JEPS84191  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  SBBG25889  Epilobium oreganum D. Myrick 1966-8-8 1490 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  CDA38103  Epilobium oregonense T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  UC609370  Epilobium siskiyouense Eleanor Burks Hart 1938-8-20 910 Siskiyou below Red Cap (top of ridge) 2407 Comment
  CAS-BOT-BC57204  Equisetum hyemale subsp. affine Edward Lee 1934-8-11 1035 Siskiyou Walker Creek, a tributary of the Klamath River (east end fo Seiad Valley) 609 Comment
  RSA120856  Equisetum laevigatum G. D. Barbe 1957-7-13 376 Siskiyou Big flat public camp, Klamath National Forest. 1524 Comment
  HSC26547  Eragrostis cilianensis J. P. Smith, Steve Selva 1970-7-16 4402 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  RSA591595  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  CAS-BOT-BC204627  Eragrostis mexicana subsp. virescens R. E. Frenkel 1964-10-2 901 Siskiyou Everitt Memorial Highway, 1.0 mile north of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CAS-BOT-BC168333  Eremogone congesta var. congesta Harley P. Chandler 1901-6-1 1674 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CHSC84756  Eremogone congesta var. suffrutescens L. P. Janeway 2003-8-9 7960 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake, just over north edge of the ridge. 1786 Comment
  JEPS116879  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  CAS-BOT-BC286694  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  CAS-BOT-BC286713  Ericameria bloomeri Alice Eastwood 1912-9-1 2064 Siskiyou Mount Shasta Comment
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  SEINET515864  Ericameria bloomeri Vernon H. Oswald 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  UC60982  Ericameria bloomeri Geo. B. Grant 1902-9-1 5093 Siskiyou Horse Camp Mount Shasta, Horse Camp 2133 Comment
  UC86503  Ericameria bloomeri J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  CAS-BOT-BC287492  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  CAS-BOT-BC287494  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Klamath Forest 1828 Comment
  UCR80264  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Siskiyou Mtns, Trapper Creek. 1860 Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  CHSC96728  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Mount Eddy, Klamath Mountains. Wagon Creek drainage on the east face of Mount Eddy. 2438 Comment
  CDA4407  Erigeron austiniae Vernon H. Oswald & Lowell Ahart 1998-6-11 9214 Siskiyou Klamath National Forest boundary on Old State Highway, 1.5 miles south of the railroad crossing south of Mount Hebron. Comment
  RSA261540  Erigeron bloomeri J. M. Tucker, L. K. Mann 1963-8-18 3765 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  HSC96679  Erigeron bloomeri var. bloomeri Thomas W. Nelson, Susan Erwin 2004-6-3 9223 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  UC1190272  Erigeron cervinus Ira L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1475692  Erigeron cervinus Muth and Overton 1979-8-12 13654 Siskiyou close to town of Fort Jones, near Cliff Lake; Scott Bar Quadrangle 1951 Comment
  CAS-BOT-BC294907  Erigeron chrysopsidis var. austiniae Gary Schoolcraft 1984-6-18 1227 Siskiyou NW of Mt. Dome about 7 miles. 47-2-29 1341 Comment
  HSC64663  Erigeron compositus J. O. Sawyer 1977-7-6 3029 Siskiyou South of Little Duck Lake 2134 Comment
  CAS-BOT-BC300430  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou About a mile south of Bray Comment
  CAS-BOT-BC300477  Erigeron filifolius H. M. Hall; E. B. Babcock 1903-6-1 4098 Siskiyou Sierra Nevada Mountains. Mount Shasta, Little Shasta Valley 853 Comment
  UC904778  Erigeron filifolius W. Bridge Cooke 1949-8-26 25680 Siskiyou along logging road above Bolam Station; Mount Shasta 1828 Comment
  CAS-BOT-BC296122  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine 1828 Comment
  CAS-BOT-BC296124  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  CLARK-A1528-7791  Erigeron foliosus var. hartwegii John C. Roos 1948-9-1 3950 Siskiyou Etna Comment
  JEPS75885  Erigeron glacialis var. glacialis W. J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  HSC72381  Erigeron greenei J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8965 Siskiyou 1/2 mile N of Siskiyou County line on Hwy. 3 Comment
  CDA4954  Erigeron inornatus G. C. Fleischman 1946-7-26 Siskiyou Vicinity of Mt. Shasta. 0 Comment
  SEINET8667555 Image available Erigeron inornatus G. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1067 Comment
  CHSC67477  Erigeron inornatus var. inornatus James D. Jokerst 1992-7-30 3432 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  OBI55433  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 100 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  JEPS84203  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  UC1023731  Erigeron nivalis W. Bridge Cooke 1941-8-14 16180 Siskiyou on ridges n of Horse Camp; Mount Shasta 2743 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  JEPS24438  Erigeron pumilus var. intermedius G. Thomas Robbins 1959-6-10 4041 Siskiyou 4 mi s Gazelle (U.S. Highway 99); Shasta Valley 914 Comment
  CAS-BOT-BC224137  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  CDA34233  Eriodictyon californicum Jim Rea 2010-7-6 PDR# 1414046 Siskiyou Yreka, Quail Run near Schulmeyer Road. 0 Comment
  LA88832  Eriogonum baileyi var. baileyi 1966-9-11 s.n. Siskiyou 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
  UC375311  Eriogonum elatum Geo. D. Butler 1908-8-4 210 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  JEPS57002  Eriogonum elatum var. elatum Geo. D. Butler 1908-8-6 202 Siskiyou trail beyond Whiskey Camp (Independence Creek); Marble Mt. Reg., Independence Creek Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  POM165179  Eriogonum elatum var. elatum E. B. Copeland 1903-7-8 3525 Siskiyou Klamathon Comment
  HSC77153  Eriogonum hirtellum L. P. Janeway 1983-8-7 522 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  RSA279582  Eriogonum luteolum James L. Reveal, Mark L. Reveal 1975-8-15 3949 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Daggett Creek Road on the west slope of Cedar Cove, about 0.5 mile east of the Forest Service Road 46N52, about 2.2 miles north of California Highway 96 Comment
  CAS-BOT-BC263660  Eriogonum luteolum var. luteolum Geo. D. Butler 1908-8-30 199 Siskiyou Light Hill Road near Fort Jones Comment
  CAS-BOT-BC263179  Eriogonum marifolium var. cupulatum Robert F. Thorne; Fred Oettinger 1969-8-10 38985 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC263191  Eriogonum marifolium var. cupulatum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  CHSC1326  Eriogonum marifolium var. marifolium M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC1540141  Eriogonum microthecum var. ambiguum Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9254 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  HSC24687  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-9 1203 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC43015  Eriogonum nudum var. pubiflorum J. P. Smith 1973-5-5 6440 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC61676  Eriogonum nudum var. pubiflorum Geo. B. Grant Sept. 1902 5137 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC272492  Eriogonum nudum var. pubiflorum Ella Dales Cantelow 1938-10-23 2379 Siskiyou 16 mi. n.w. of Yreka, Hy. #96, Klamath River Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  UC572791  Eriogonum pyrolifolium W. Bridge Cooke 1937-7-28 9159 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC252960  Eriogonum pyrolifolium var. pyrolifolium Susan Stokes 1938-8-18 11495 Siskiyou Horse Camp Slopes, Mount Shasta 2514 Comment
  CAS-BOT-BC267705  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River, east end of Seiad Valley Comment
  HSC43441  Eriogonum siskiyouense Jennifer Whipple 1976-9-2 1758 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  NY323541  Eriogonum siskiyouense E. L. Greene 1876-8-22 1002 Siskiyou On Scott Mountain 2743.2 Comment
  POM105392  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1417 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  RSA60792  Eriogonum strictum subsp. proliferum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill, Plowman's Valley. 1154 Comment
  CAS-BOT-BC262759  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka 807 Comment
  CAS-BOT-BC263382  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  CHSC99718  Eriogonum ternatum L. P. Janeway 2008-7-24 9483 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  CAS-BOT-BC267941  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Cr. 914 Comment
  CAS-BOT-BC267950  Eriogonum umbellatum Elmer I. Applegate 1935-6-11 9503 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC267991  Eriogonum umbellatum var. argus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC32766  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Marble Mtn. Wilderness Area, steep S side of David Mtn. S of Charmaine Lake, near ridge top 2043 Comment
  HSC98382  Eriogonum umbellatum var. argus J. O. Sawyer 1968-7-23 582 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS56191  Eriogonum umbellatum var. dumosum Geo. D. Butler 1908-7-12 215 Siskiyou w Yreka; Humbug Mt. Comment
  JEPS56199  Eriogonum umbellatum var. dumosum B. Wise Neilson 1936-10-18 Siskiyou 2 mi nw Elna Mt.; Salmon Mt. Comment
  CAS-BOT-BC268151  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 182 Siskiyou Near summit of Salmon Mountain 1813 Comment
  RSA60649  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 s.n. Siskiyou Near summit of Salmon Mountain. 1814 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 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
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  UC163830  Eriogonum umbellatum var. modocense Geo. D. Butler 1908-7-12 215 Siskiyou Humbug Mountain 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
  HSC42989  Eriogonum vimineum J. P. Smith, Steve Selva 1970-8-8 4567 Siskiyou Lava Beds National Monument Comment
  UC86007  Eriogonum vimineum T. S. Brandegee July 1887 Siskiyou Hornbrook Comment
  JEPS56126  Eriogonum vimineum W. L. Jepson 1937-6-22 18454 Siskiyou near Klamath River bridge (1st summit north of Yreka) Comment
  HSC91336  Eriophorum crinigerum Jennifer Whipple 1977-7-21 2018 Siskiyou Near Durney Lake 2073 Comment
  SEINET8850152 Image available Eriophorum gracile H. E. Brown 1897-7-15 628 Siskiyou South side of Mt. Shasta 1524 Comment
  POM302176  Eriophyllum lanatum Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka Comment
  CAS-BOT-BC301111  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1934-4-20 34229 Siskiyou Shasta River, NE. of Yreka Comment
  JEPS34629  Eriophyllum lanatum var. achilleoides Duncan Dunning 1921-6-21 Siskiyou vicinity of Tennant Antelope Creek Comment
  CAS-BOT-BC301109  Eriophyllum lanatum var. achilleoides D. H. Johnson; F. G. Palmer 1935-5-16 s.n. Siskiyou Caves eleven miles northeast of Weed 1097 Comment
  CAS-BOT-BC301447  Eriophyllum lanatum var. grandiflorum W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag [Crags], near Mt Shasta Comment
  CHSC91365  Eriophyllum lanatum var. grandiflorum Lowell Ahart; John Dittes 2005-6-10 12090 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC643287  Eriophyllum lanatum var. integrifolium unknown 1940-7-26 15368 Siskiyou in the lower part of Diller Canyon (in openings between chaparral and pine woods); Mount Shasta, Diller Canyon 1524 Comment
  CAS-BOT-BC301706  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1952-7-3 17920 Siskiyou Fort Goff Public Camp, Klamath River 365 Comment
  CAS-BOT-BC301719  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1928-7-2 5355 Siskiyou Salmon Summit via Horn Creek trail Comment
  HSC8476  Erodium cicutarium R. C. Wunner 1965-6-7 114 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground on route to Dragon Head Cave 1387 Comment
  CAS-BOT-BC54582  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-6 5216 Siskiyou Summit Siskiyou Mountains, north of Takilma-Happy Camp Road. 1676 Comment
  HSC36565  Erysimum perenne J. O. Sawyer 1969-8-4 1829 Siskiyou Above Sugar Lake 2134 Comment
  UC1037378  Erysimum perenne Douglas Barbe 1955-7-6 116 Siskiyou along ne shore Taylor Lake; Klamath Mountains, Salmon Mountains 1950 Comment
  SBBG25925  Erythranthe linearifolia D. Myrick 1966-8-12 1548 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1615 Comment
  SBBG122973  Erythranthe linearifolia B. Ertter, J. Kierstead, J. Nelson 1990-7-15 9354 Siskiyou Morgan Meadows, E side of Mt Eddy; ca. 5 mi W of Mt Shasta City 1676 Comment
  JEPS29123  Erythronium grandiflorum Lauramay T. Dempster 1961-7-1 1843 Siskiyou along ridge from Condry Peak to White Mountain (at head of Horse Creek drainage basin); Siskiyou Mts., Horse Creek 1859 Comment
  UC1409214  Erythronium grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou above Diamond Lake (on ridge to English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  HSC27347  Erythronium grandiflorum subsp. grandiflorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5699 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC16750  Eschscholzia californica R. C. Wunner 1965-6-15 191 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  CAS-BOT-BC310455  Eucephalus ledophyllus var. covillei Doris K. Kildale 1928-8-19 6577 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC69416  Eucephalus ledophyllus var. ledophyllus John S. Palmer 1980-8-13 758 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC310638  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  JEPS24788  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6796 Siskiyou 6.2 mi above and sw of junction with road to, along road to Castle Lake Gumboot Lake; Scott Creek Camp 1432 Comment
  JEPS83582  Eurybia radulina Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9225 Siskiyou forest road 36N06 at crossing of Tate Creek; McCloud River drainage (headwaters) 1484 Comment
  HSC100334  Festuca idahoensis J. P. Smith 2011-7-15 13302 Siskiyou 1427 Comment
  HSC26623  Festuca occidentalis J. P. Smith, Steve Selva 1970-6-16 3990 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC42963  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2757 Siskiyou Along Specimen Creek. 915 Comment
  UCD66286  Festuca roemeri A. A. Heller 1921-7-17 13580 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  SJSU11321  Festuca subulata S. H. Casey 1981-7-4 1213 Siskiyou Seiad Creek Road near Cook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  CDA25860  Fragaria George Dobbins 1955-3-24 Siskiyou Wheeler property, 1 miles south of McCloud, Squaw Valley Creek. 0 Comment
  CAS-BOT-BC457570  Fragaria vesca subsp. californica Doris K. Kildale 1929-4-27 7555 Siskiyou Cecilville Comment
  CHSC69831  Frangula rubra J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou East slope of Kangaroo Mtn. above Toehead Lake. 1889 Comment
  HSC25481  Frangula rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA17690  Frasera albicaulis var. modocensis Elmer I. Applegate 1935-6-6 9366 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC223582  Fraxinus latifolia Laura M. Lathrop 1903-7-1 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC223584  Fraxinus latifolia Wm. Bridge Cooke 1940-6-20 15174 Siskiyou On the banks of the Klamath River below Hornbrook Comment
  HSC46150  Fraxinus latifolia J. P. Smith, Steve Selva 1970-7-17 4424 Siskiyou Along Klamath River Comment
  RSA237918  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 575 Siskiyou Trail above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  CAS-BOT-BC504467  Fritillaria recurva Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  SEINET3886824  Fritillaria recurva James P. Smith 1974-5-26 7542 Siskiyou Copco Quad. Along Forest Service Road 47N04.; 0 1524 Comment
  UC336988  Galium aparine unknown Siskiyou near Shasta Comment
  JEPS88842  Galium arcuatum T. Howell 1886-1 137 Siskiyou Comment
  HSC60824  Galium bifolium Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA105358  Galium bifolium G. D. Barbe 1955-7-17 210 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  RSA238704  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou Above the stock gate between Willow Springs and English Lake (approx 200 ft above trail). The Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  HSC90594  Galium glabrescens subsp. glabrescens Jennifer Whipple 1977-7-22 2036 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  RSA261381  Galium grayanum var. grayanum J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3755 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  UC1334978  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
  UC164468  Galium triflorum Geo. D. Butler 1002 Siskiyou near Yreka; Humbug Gulch Comment
  HSC19066  Galium triflorum J. O. Sawyer 1969-7-26 1587 Siskiyou Along Sugar Creek 1707 Comment
  CAS-BOT-BC182270  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1066 Comment
  SEINET5765232  Garrya fremontii L. C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1067 Comment
  SEINET3150044  Gayophytum diffusum G. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  HSC34140  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-1 1659 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC114767  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou below Wagon Camp; Mt. Shasta Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  CHSC26180  Gayophytum heterozygum J. P. Kroessig 1977-8-5 51 Siskiyou At McBride Springs Campground, ca 4.5 km n of Mt Shasta City, at base of Mt Shasta. 1460 Comment
  JEPS27539  Gayophytum heterozygum Willis L. Jepson Jul 24 1894-Aug 10 1894 14437 Siskiyou sw slope half-way to Horse Camp; Region of the Upper Sacramento, Mt. Shasta Comment
  RSA211350  Gayophytum heterozygum William J. Ferlatte 1966-8-18 413 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  HSC29486  Gayophytum humile Frederick W. Oettinger, R. F. Thorne 1969-8-5 1189 Siskiyou Salmon Mtns., trail, English Lake to Abbotts 1707 Comment
  UC1409240  Gayophytum humile Frederick W. Oettinger and R. F. Thorne 1969-8-5 1189 Siskiyou trail <from> English Lake to Abbots (w Siskiyou Co. high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  JEPS50870  Gentiana calycosa Al Hobart 1967-8-8 Siskiyou n side Preston Peak (w-most Siskiyou County); Siskiyou Range 1828 Comment
  SEINET8586417  Gentiana newberryi M. J. Williams 1967-9-2 s.n. Siskiyou Mount Eddy, Deadfall Lake Trail. 1951 Comment
  CAS-BOT-BC217415  Gentiana plurisetosa C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  HSC29223  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou Marble Mtn. Wilderness Area, 'Base Camp', mid-slope between Diamond and Hancock Lake 2012 Comment
  HSC77110  Geranium richardsonii K. T. Stillman 1976-7-31 356 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off, SE of Kings Castle Comment
  RSA240078  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  SEINET3156722  Geum triflorum G. D. Butler 1910-6-19 1578 Siskiyou Goosenet foothills 1524 Comment
  LA88501  Gilia capitata O. H. Kappler; 1948-7-16 1801 Siskiyou Siskyou Mountains, on rd to Happy Camp 701 Comment
  UC125965  Gilia capitata subsp. capitata A. A. Heller 1905-6-20 8081 Siskiyou Gazelle Comment
  CAS-BOT-BC282719  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  JEPS84095  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6378 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA603021  Glyceria leptostachya L. C. Wheeler 1935-7-13 3663 Siskiyou Ager. 793 Comment
  HSC31071  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-5 1202 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  UC637148  Gnaphalium palustre Edward Lee 1934-8-15 1136 Siskiyou summit of road between Waldo (Oregon) and Happy Camp; Klamath National Forest, Indian Creek watershed 1615 Comment
  SEINET8770785 Image available Gnaphalium palustre G. D. Bulter 1910-6-12 1560 Siskiyou Yreka Creek Comment
  UC4514  Goodyera oblongifolia unknown 1862-9-16 1404 Siskiyou Mount Shasta 1219 Comment
  JEPS24021  Goodyera oblongifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6883 Siskiyou at junction of Happy Camp-Takilma Road and Poker Flat Road (Siskiyou Mountains); Siskiyou Mountains 1376 Comment
  CAS-BOT-BC314629  Grindelia hirsutula L. E. Smith 1913-8-13 514 Siskiyou Montague Comment
  CAS-BOT-BC314632  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou Near Montague Comment
  SDSU2695  Grindelia nana D. F. Howe 1961-8-3 3178 Siskiyou 26.5 miles east of Shasta on #89. 1219 Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  UC1220392  Gypsophila paniculata var. paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n limits Macdoel Comment
  CAS-BOT-BC94407  Hackelia bella R. C. Wenk 2005-7-15 209 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  HSC22162  Hackelia micrantha J. O. Sawyer 1969-7-16 1137 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  RSA211247  Hackelia micrantha W. J. Ferlatte 1966-7-7 212 Siskiyou A flora of the Trinity Alps of northern California. Northwest side of Caribou Mountain. 1829 Comment
  HSC41469  Hackelia setosa Ed Cope 1977-7-16 131 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  JEPS62096  Hastingsia alba W. L. Jepson 1902-7-19 2082 Siskiyou Forks of Salmon to Cecilville; Salmon <River> Comment
  UC119828  Hastingsia alba J. W. Congdon Aug 1900 Siskiyou Sisson , Sisson (Mt. Shasta) Comment
  CAS-BOT-BC504610  Hastingsia alba Alice Eastwood 1921-7-24 10722 Siskiyou Castle Lake Comment
  CAS-BOT-BC504623  Hastingsia alba Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC508651  Hastingsia alba Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC508656  Hastingsia alba L. E. Smith 1913-6-18 373 Siskiyou Between Sisson and Castle Lake Comment
  CAS-BOT-BC123565  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. South of Sky High Valley 1981 Comment
  CDA6451  Helenium autumnale T. C. Fuller 1958-8-13 1234 -58 Siskiyou 10 miles south of Fort Jones, Scott Valley. 0 Comment
  UC1483519  Helenium bigelovii John Palmer 1980-8-13 790 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC179527  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou Mt. Eddy 2133 Comment
  HSC81556  Helianthella californica var. nevadensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6164 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC26927  Helianthus bolanderi J. P. Smith, J. O. Sawyer 1971-9-18 4837 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC134872  Helianthus bolanderi J. W. Congdon 1910-8-9 Siskiyou near Sisson Comment
  CHSC114173  Heliotropium curassavicum var. oculatum R. E. Brainerd 2010-8-5 1731 Siskiyou Interstate Highway 5, 12.5 air miles southeast of Yreka. UTM Zone 10 541522E 4603756N 798 Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  CHSC105862  Hesperochiron californicus Julie Kierstead Nelson 2010-7-3 2010 -013 Siskiyou Scott Mountain; Road 40N08 from Hwy. 3 at summit to Carmen Lake, at Pacific Crest Trail crossing. On west-facing , rocky slope and on gravel of road. 1676 Comment
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  UC1045251  Hesperolinon micranthum W. Bridge Cooke 1940-7-12 15334 Siskiyou along the Memorial Hwy Mount Shasta Comment
  CHSC65222  Heterocodon rariflorum Julie Kierstead; Barbara Ertter 1990-7-15 Siskiyou Mt. Shasta Ranger District. Morgan Meadows, 6 miles west of Mt. Shasta city. 1584 Comment
  POM67794  Heterocodon rariflorum Geo. D. Butler 1910-7-8 1662 Siskiyou Shackleford Creek. 1220 Comment
  JEPS24029  Heterotheca oregona var. rudis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6893 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  SEINET515874  Heterotheca villosa Vernon H. Oswald 1998-9-8 9607 Siskiyou USFS 3 ca. 0.8 mi. W of Julia Glover Flat, ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  RSA261514  Heterotheca villosa var. minor J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3753 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  UCD133103  Heterotheca villosa var. minor J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3753 Siskiyou southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  HSC22091  Heuchera merriamii J. O. Sawyer 1969-8-1 1685 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1347210  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin; Salmon-Trinity Alps 1981 Comment
  HSC26104  Heuchera micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5675 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  SJSU6495  Heuchera micrantha R. W. Trivelpiece 1972-6-14 111 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1371 Comment
  CAS-BOT-BC420936  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  HSC20189  Heuchera rubescens W. Roderick, Dorothy Parker 1966-7-26 Siskiyou Edge of Kangaroo Lake, N side of Scott Mtns. 1845 Comment
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  CAS-BOT-BC424369  Heuchera rubescens C. S. Robinson 1927-7-28 107 Siskiyou Sequoia Forest. Grantie Gulch Long Mdw. 2987 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  JEPS25876  Hieracium greenei Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7461 Siskiyou above and due e of Twin Valley ((about 12 air mi nw of Happy Camp)); Siskiyou Mountains 1584 Comment
  CAS-BOT-BC318524  Hieracium greenei C. G. Pringle 1882-9-1 s.n. Siskiyou Mts. about the head waters of teh Sacramento River Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  RSA238800  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou Ridge to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC67805  Hieracium horridum J. O. Sawyer, J. Cole 1980-7-22 3962 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC316020  Hieracium nudicaule John Thomas Howell 1934-7-4 12389 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC76864  Hieracium scouleri K. T. Stillman 1976-9-9 478 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  CAS-BOT-BC320103  Hieracium triste J. M. Tucker; L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC1408806  Hieracium triste Robert F. Thorne and Fred Oettinger 1969-8-10 38975 Siskiyou s slope of Mt. Shasta, Panther Creek Meadows; Mount Shasta National Forest 2194 Comment
  CAS-BOT-BC313000  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  CDA12233  Holodiscus discolor G. F. Hrusa 1993-8-14 11401 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon, on Ca. side of state boundary. Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA760953  Holodiscus discolor Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1768 Comment
  SEINET3110979  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-23 42 Siskiyou Along road to Doe Flat; approx 1 mi W of Doe Flat campground. Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  CAS-BOT-BC150138  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  CHSC86666  Holosteum umbellatum subsp. umbellatum Jenny Marr 1993-7-1 49 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC92533  Hordeum brachyantherum Jennifer Whipple 1976-7-24 1539 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  CHSC61578  Hordeum brachyantherum subsp. californicum L. P. Janeway 1983-8-26 590 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the meadow. 1524 Comment
  SACT001350  Hordeum jubatum Verne Grant, Irving Schneider 1947-8-26 Siskiyou Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CDA16163  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges; At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 1066 Comment
  HSC40986  Horkelia daucifolia var. daucifolia J. O. Sawyer 1975-7-16 2700 Siskiyou 1.2 mi. N of Callahan ( Cecilville Rd. on rd. to Duck Lake) Comment
  JEPS113062  Horkelia fusca var. brownii Roy Buck 1987-6-3 624 Siskiyou White Deer Lake, ca 10 mi NE of Bartle on Hwy 89 Comment
  CAS-BOT-BC514283  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  CAS-BOT-BC538243  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
  HSC70599  Horkelia tridentata var. flavescens J. O. Sawyer, R. J. Cole 1981-7-2 4153 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CAS-BOT-BC539435  Horkelia tridentata var. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek, Siskiyou Mountains, Mt. Diablo Mer. 1341 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC24095  Hydrophyllum occidentale unknown Jun 1896 Siskiyou Squaw [illegible]; Mt. Diablo Base 121 W 1066 Comment
  UCSB24600  Hydrophyllum tenuipes Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  SBBG21928  Hypericum anagalloides D. Myrick 1964-7-25 969 Siskiyou Panther Meadows, Mt Shasta 2346 Comment
  UC19050  Hypericum formosum var. scouleri Milo S. Baker 1893-8-4 Siskiyou McCloud R. s. of Mt. Shasta; McCloud R. Comment
  HSC27647  Hypericum perforatum Carl W. Mize 1972-6-8 3 Siskiyou Along main trail 335 Comment
  SD46431  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  RSA120872  Ipomopsis aggregata subsp. formosissima H. K. Wagnon 1957-8-11 s.n. Siskiyou East slope of Mt. Shasta, along Brewer Cr., 6 mi. W of Military Pass Rd. Comment
  HSC76648  Ipomopsis congesta K. T. Stillman 1976-8-7 176 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  HSC101402  Ipomopsis tenuifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13070 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
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Jul 13 2018
  RSA366802  Iris hartwegii E. Yale Dawson 1948-7-16 5099 -a Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  CAS-BOT-BC133696  Iris tenax Marc Baker 1980-6-20 2182 Siskiyou Near Bald Mountain 274 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
  CAS-BOT-BC376182  Isatis tinctoria Andrew Townesmith; Karen M. Meyer 2007-8-3 896 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  NY411181  Isatis tinctoria F. M. Ownbey 1940-7-7 2208 Siskiyou Soap Ridge road, southwest of Yreka Comment
  RSA237973  Isoetes bolanderi Frederick W. Oettinger 1969-7-29 1095 Siskiyou At Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  UCD135770  Isoetes bolanderi Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Frying Pan Lake, east of Marble Mountain, Marble Mountains. 1783 Comment
  JEPS83820  Isoetes echinospora Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass (in Lily Pad Lake); Siskiyou Mts., Lily Pad Lake 1828 Comment
  UCD19434  Isoetes echinospora Charlotte K. Glenn 1967-1 201 Siskiyou Castle Lake. 1584 Comment
  SD230095  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1615 Comment
  SD249070  Isoetes occidentalis Daniel Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  UC1408840  Isoetes occidentalis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1268 Siskiyou w end English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1752 Comment
  HSC90740  Ivesia gordonii Jennifer Whipple 1976-7-1 1228 Siskiyou Near Little Crater Lake 2195 Comment
  UC538029  Ivesia gordonii David H. Johnson 1934-6-11 Siskiyou Dobkins Lake; Mt. Eddy 1828 Comment
  HSC75156  Ivesia pickeringii Kenneth M. Balk 1980-7-29 419 Siskiyou Near French Flat 1128 Comment
  UC842400  Juncus confusus John Thomas Howell 1939-8-3 15005 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  RSA759843  Juncus covillei Robert F. Thorne 1969-8-2 63397 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  JEPS124474  Juncus effusus subsp. effusus Daniel Slakey 2015-7-14 161 Siskiyou South side of Copco Lake. Along Ager-Beswick Rd. just south of junction with Patricia Ave. Comment
  CHSC40147  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou On se side of Klamath R ca 6 mi e on China Cr Rd from Happy Camp. Ca 1/2 m from water's edge. 335 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
  CAS-BOT-BC127621  Juncus mertensianus Robert F. Thorne; Fred Oettinger 1969-8-10 38954 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta, Panther Creek Meadows. 2194 Comment
  HSC92869  Juncus mertensianus Jennifer Whipple 1977-7-20 1998 Siskiyou N slopes of Mount Eddy 2500 Comment
  RSA238910  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  JEPS74127  Juncus mexicanus Geo. D. Butler 1909-5-23 859 Siskiyou near Yreka Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  HSC39808  Juncus nevadensis J. O. Sawyer 1969-8-4 1898 Siskiyou Above S Sugar Lake 2043 Comment
  HSC774  Juncus nevadensis William J. Ferlatte 1967-8-17 949 Siskiyou Yellow Rose Mine 1982 Comment
  UC1265333  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou just sw Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  HSC71132  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4496 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC30706  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1241 Siskiyou Marble Mtn. Wilderness Area, NNW of Pine Lake 1883 Comment
  LA20060  Juncus nevadensis var. nevadensis F. J. Hermann; 1940-7-5 15284 Siskiyou Mt. Shasta, Wagon Camp meadow 1737 Comment
  CHSC40144  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou NE of Preston Peak. On s side and above S Fk Indian Cr. 1463 Comment
  CHSC99697  Juncus parryi L. P. Janeway 2008-7-24 9470 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC22103  Juncus parryi J. O. Sawyer 1969-8-4 1852 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  HSC22104  Juncus parryi J. O. Sawyer 1969-7-10 1301 Siskiyou SE facing slope above South Sugar Lake 2165 Comment
  RSA739865  Juncus parryi L. P. Janeway, B. Castro 2007-7-29 9144 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  HSC74838  Juncus patens J. P. Smith, J. O. Sawyer 1978-7-3 10007 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 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
  CHSC88381  Juncus trilocularis Jenny Marr 1993-7-1 186 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC102553  Juniperus communis var. saxatilis L. P. Janeway 2009-8-4 9905 A Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  UCD133821  Juniperus communis var. saxatilis Joseph M. DiTomaso 1976-9-8 689 Siskiyou Trinity Alps. South side of upper Caribou Lake. 2103 Comment
  CAS-BOT-BC81234  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  CAS-BOT-BC81239  Juniperus occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53420 Siskiyou east side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  SD112325  Juniperus occidentalis Darley F. Howe 1961-8-3 3129 Siskiyou 56.5 miles east of Happy Camp, north of Klamath River 609 Comment
  UC401377  Juniperus occidentalis Geo. D. Butler 1908-9-6 226 Siskiyou dry land near Yreka Comment
  RSA78942  Juniperus occidentalis var. occidentalis E. K. Balls, Percy C. Everett 1952-10-12 18169 Siskiyou Indian Well Campground, Modoc Lava Beds National Monument 1402 Comment
  SEINET11056608  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2340 Siskiyou Scott Mountains, Willow Creek, on road to Callahan 5 road miles SW of Gazelle. 933 Comment
  HSC96361  Kalmia polifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 497 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC876882  Kalmia polifolia subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, [Middlehell Creek] Mud Springs; Siskiyou Mountains, , Middlehell Creek 1676 Comment
  NY790287  Keckiella corymbosa C. B. Wolf 1937-8-9 9085 Siskiyou Klamath River, 2 miles above Doolittle Creek Comment
  HSC29286  Keckiella lemmonii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1211 Siskiyou Marble Mtn. Wilderness Area, hot area on English Lake Trail above Willow Spring 1707 Comment
  NY790360  Keckiella lemmonii D. D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, (4½ miles from Mt. Shasta City on Horse Camp trail) 1828.8 Comment
  HSC23541  Kelloggia galioides J. O. Sawyer 1969-7-24 1190 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  SBBG15963  Kelloggia galioides D. Myrick 1961-6-22 317 Siskiyou Hwy 89 near McCloud 914 Comment
  UCR37844  Kelloggia galioides K. T. Stillman 1976-8-7 363 Siskiyou Marble Mountain Wilderness Area. Trail to Marble Valley Guard Station Comment
  RSA17727  Koeleria macrantha Elmer I. Applegate 1935-6-8 9435 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  OBI55444  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  CAS-BOT-BC341702  Lagophylla ramosissima H. M. Hall 1919-10-2 s.n. Siskiyou Near Weed Comment
  CAS-BOT-BC341704  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  SBBG67562  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou base of Black Butte near W base of Mount Shasta Comment
  SEINET3131408  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  CHSC35549  Lathyrus lanszwertii var. tracyi James P. Smith 1973-5-5 6415 Siskiyou Roadside and streamside along Cook and Green Pass road. Comment
  HSC2191  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River. 518 Comment
  SEINET516322  Lepidium latifolium Vernon H. Oswald 1998-9-16 9646 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  JEPS54272  Lepidium perfoliatum L. T. Dempster 1934-8-4 1006 Siskiyou Yreka Comment
  POM208354  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou Siskiyou Mts., Mt. Diablo Mer., North Hungry Creek 1220 Comment
  RSA238567  Leptosiphon nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou Open meadow in Red Fir woods, Hamilton Camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1402 Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  UC1287439  Lessingia nemaclada Willard Spence 1960-9-7 619 Siskiyou Route 99 at s city limits Dunsmuir Comment
  UC306184  Lessingia nemaclada G. B. Grant 1902-9-11 5213 Siskiyou Dunsmuir Comment
  UC1223214  Lessingia ramulosa Joseph P. Tracy 1949-9-14 18552 Siskiyou 5 mi se Cecilville (at Summerville); South Fork of Salmon River 762 Comment
  RSA157732  Leucophysalis nana T. C. Fuller 1962-6-12 8967 Siskiyou E side of Davis Road to Medicine Lake, 0.2 mi S of Road to Dorris, ca 16 mi E of Macdoel. 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
  CHSC4282  Leucothoe davisiae D. Parker 1965-7-24 894 Siskiyou At edge of Horseshoe Lake, Salmon mt. 1859 Comment
  RSA211450  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC1190122  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1312936  Lewisia Sandra L. Holloway, J. M. Tucker, and L. K. Mann 1963-7-9 76 Siskiyou near e base of Marble Mountain Marble Mountain Wilderness Area, Marble Mountain 1950 Comment
  CAS-BOT-BC444047  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  CAS-BOT-BC444089  Lewisia leeana G. J. Muth 1969-8-10 1338 Siskiyou Ridge w. of Boulder Peak Comment
  CHSC1369  Lewisia leeana M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  CHSC99714  Lewisia leeana L. P. Janeway 2008-7-24 9468 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. Plants especially a little back from the edge of the cliff - on the rocky bench. 1975 Comment
  HSC4441  Lewisia leeana William J. Ferlatte 1966-8-5 357 Siskiyou Caribou Mtn. 2470 Comment
  CDA23971  Lewisia nevadensis T. C. Fuller 1962-6-13 8985 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  RSA601899  Lewisia nevadensis L. C. Wheeler 1935-7-23 3682 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  JEPS84276  Lewisia triphylla L. R. Heckard with J. Hickman et al. 1986-7-17 6540 Siskiyou se Condrey Mt. (road end area and camp overlookin s end of Alex Hole) 1980 Comment
  POM215709  Leymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UC817464  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker Siskiyou Mts., Klamath River 518 Comment
  HSC69351  Ligusticum californicum Maralyn A. Renner 1980-8-21 2570 Siskiyou Kidd Creek 2043 Comment
  UC1400373  Ligusticum grayi Robert F. Thorne and Fred Oettinger 1969-8-10 38967 Siskiyou s. slope Mt. Shasta (Panther Creek Meadows); Mt. Shasta nat'l Forest, , Panther Creek Meadows 2194 Comment
  UC1409812  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mt. Wilderness Area, Haypress Meadows 1463 Comment
  HSC61925  Lilium bolanderi Al Hobart 1959-6-26 Siskiyou Poker Flat 1585 Comment
  RSA238846  Lilium kelleyanum Frederick W. Oettinger 1967-7-30 218 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA130325  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 Siskiyou 7 miles from Callahan on Callahan--Carrville road Comment
  SEINET8377150  Lilium pardalinum L. Beane Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99. Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  CAS-BOT-BC133021  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-2 5367 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC133026  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Green Pass 1676 Comment
  CAS-BOT-BC133095  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-8-28 1950 Siskiyou Cantara Comment
  UC880334  Linanthus ciliatus A. A. Heller 1916-6-23 12428 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC240392  Linnaea borealis subsp. longiflora W. R. Dudley 1899-8-14 s.n. Siskiyou Near McCloud Comment
  HSC22270  Linnaea borealis subsp. longiflora J. O. Sawyer 1969-7-23 1168 Siskiyou Near Horse Range Creek. 1341 Comment
  UC845693  Listera convallarioides Alice Eastwood 1912-7-17 1173 Siskiyou Sisson Comment
  UC375362  Lithophragma Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  CAS-BOT-BC432322  Lithophragma campanulatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11804 Siskiyou At Mule Creek crossing on Scott Mountain Road S of Callahan 1524 Comment
  HSC46176  Lithophragma glabrum Jennifer Whipple 1977-4-30 1876 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC91199  Lithophragma glabrum Jennifer Whipple 1976-6-11 964 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CHSC36161  Lithophragma parviflorum K. Bridwell 1978-4-15 90 Siskiyou Along Copco Rd and n bank of Irongate Reservoir (upper Klamath River), ca. 15 mi ne of Hornbrook. 762 Comment
  RSA468258  Lithophragma parviflorum Christopher Davidson 1975-6-5 2668 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  UC1239633  Lithospermum californicum Joseph P. Tracy 1939-4-29 16275 Siskiyou 3 mi n mouth of Salmon River; Klamath River 243 Comment
  CAS-BOT-BC269147  Lolium perenne Dr. Ed Palmer 1892-1-1 2646 Siskiyou Near Mt. Shasta Comment
  HSC22242  Lolium perenne J. O. Sawyer 1969-8-1 1617 Siskiyou On trail to Eaton Lakes. 1799 Comment
  SEINET4671424  Lolium perenne G. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  UC1246759  Lomatium californicum Howard Scott Gentry 1962-6-7 19753 Siskiyou near Klamath R. along Hwy. 99 609 Comment
  UC165419  Lomatium dissectum var. multifidum Geo. D. Butler 1910-5-7 1303 Siskiyou hill near Yreka Comment
  RSA237413  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou On east side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CHSC75665  Lomatium engelmannii Vernon H. Oswald 1999-7-5 9819 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit. 1569 Comment
  RSA715497  Lomatium macrocarpum L. Ahart 2005-6-9 12032 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1037477  Lomatium nudicaule Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n Etna (on the middle valley road, Klamath Mountains); Klamath Mountains 883 Comment
  UC165430  Lomatium triternatum var. macrocarpum Geo. D. Butler 1910-5-21 1380 Siskiyou Klamath hills Comment
  HSC96884  Lonicera conjugialis Gordon Leppig 1998-7-10 915 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA238542  Lonicera conjugialis Frederick W. Oettinger 1967-8-3 231 Siskiyou West side of Little Hancock Lake; Hancock Lake Basin. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  RSA602929  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek. Comment
  JEPS16301  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  CAS-BOT-BC200967  Lotus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC15553  Lotus crassifolius var. crassifolius Milo S. Baker 1893-8-18 Siskiyou McCloud River Comment
  POM27605  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou Yreka Creek Comment
  UC1299179  Lotus nevadensis var. nevadensis Freed W. Hoffman 1950-7-14 3628 Siskiyou Baldy Mountain, w Siskiyou County North Coast Ranges Comment
  RSA756209  Lotus pinnatus Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9355 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  HSC26912  Luetkea pectinata J. P. Smith 1971-9-16 4764 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  UC922372  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-29 5895 Siskiyou near Hidden Lake (above Sky High Lake); Marble Mountains, Sky High Valley 1859 Comment
  HSC57385  Luina hypoleuca Overton, Butler 1979-7-26 10112 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC342566  Luina hypoleuca Doris K. Kildale 1928-8-19 6526 Siskiyou Trail between English Lake & Hancock Lake on way to Marble Mt. 2133 Comment
  CAS-BOT-BC201285  Lupinus Charles Piper Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97 Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  UC69662  Lupinus albicaulis var. shastensis A. A. Heller 1905-6-13 8024 Siskiyou near Shasta Springs; ; near Shasta Springs, Siskiyou Co. Comment
  CDA27353  Lupinus albicaulis var. shastensis C. S. Giebner 1963-7-31 Siskiyou Kerr property, Flying K Ranch, Quartz Valley, ca. 2 miles south of Mugginsville. 0 Comment
  POM211512  Lupinus albicaulis var. shastensis Louis C. Wheeler 1934-6-11 2689 Siskiyou North Hungry Creek 1220 Comment
  RSA105764  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-07 15329 Siskiyou Near the Mount Shasta High School along Alma Street in Mount Shasta near the city limits on the way to the Memorial Highway. Comment
  RSA119549  Lupinus albicaulis var. shastensis C. P. Smith 1947-5-13 47277 Siskiyou 2.2 miles east of Weed. Comment
  HSC14927  Lupinus albifrons R. Spellenberg 1964-6-20 486 Siskiyou 10 mi. NE of Weed, Hwy. 97. Comment
  UC82285  Lupinus albifrons var. collinus Dr. E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  SEINET10837737  Lupinus andersonii var. andersonii Katherine L. Morris 1973-5-25 Morris 272 Siskiyou 20.7 miles e of mccloud on hwy 89 n an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  UC15899  Lupinus angustiflorus Milo S. Baker 1895-8-5 Siskiyou Medicine Lake Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SEINET7042784 Image available Lupinus bicolor A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  RSA47806  Lupinus bicolor subsp. tridentatus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11727 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  RSA430290  Lupinus klamathensis M. L. Conrad, David B. Dunn, LeDoux 1973-6-1 6968 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  POM24889  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  POM27188  Lupinus klamathensis Geo. D. Butler 1910-4-19 1201 Siskiyou Dry hills, Yreka. Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  CAS-BOT-BC8327  Lupinus lapidicola Amos Arthur Heller 1919-7-9 13422 Siskiyou Mt. Eddy 2438 Comment
  CHSC102566  Lupinus lepidus var. sellulus L. P. Janeway 2009-8-4 9893 Siskiyou High Cascade Range. Flat open area along Military Pass Road (43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  HSC45897  Lupinus luteolus Laura Witherspoon 1978-8-2 10 Siskiyou Klamath National Forest Comment
  POM10803  Lupinus luteolus E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  RSA583103  Lupinus luteolus Louis C. Wheeler 1935-7-3 3651 Siskiyou Yreka. 793 Comment
  SEINET10488767  Lupinus luteolus Patricia L. Kenney 1973-6-1 Kenney 380 Siskiyou Collected along roadside of i-5, 1.3 mi s of california state line. Comment
  UC70371  Lupinus microcarpus var. densiflorus Milo S. Baker 1898-4-20 Siskiyou Taylor Mt. Comment
  JEPS107668  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2005-6-9 12015 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC199283  Lupinus microcarpus var. microcarpus Annie M. Alexander and L. Kellogg 1911-6-4 112 Siskiyou Mayten Comment
  POM10714  Lupinus obtusilobus C. F. Baker 1903-8-15 3918 Siskiyou Mt. Shasta Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  UC157013  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  UC157014  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  UC201945  Lupinus polyphyllus var. polyphyllus Annie M. Alexander and Louise Kellogg 1911-6-13 139 Siskiyou 6 mi nw Callahan; nw <of> Callahan Comment
  RSA582436  Lupinus rivularis Louis C. Wheeler 1935-7-26 3707 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  HSC92405  Lupinus sellulus subsp. ursinus Jennifer Whipple 1977-7-20 1979 Siskiyou South face of Mt. Eddy. 2470 Comment
  SEINET10490229  Lupinus sellulus var. artulus H. Dearing, M. Dearing 1939-6-5 Dearing 3552 Siskiyou Mccloud. Wet places. 1067 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  SEINET10490890  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4415 Siskiyou Edgewood. Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  RSA607422  Luzula campestris L. C. Wheeler 1934-8-14 3129 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  HSC67149  Luzula comosa J. P. Smith 1973-5-5 6392 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC642583  Luzula comosa var. laxa W. Bridge Cooke 1939-7-7 13602 Siskiyou Mount Shasta. Between Bear Springs and Wagon Camp 1676 Comment
  HSC2419  Luzula divaricata William J. Ferlatte 1966-8-5 348 Siskiyou Caribou Mtn. 2470 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
  UCD141913  Luzula glabrata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  RSA0060498  Luzula macrantha Peter F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley. 730 Comment
  HSC76690  Luzula parviflora K. T. Stillman 1976-7-30 312 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  RSA758591  Luzula parviflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63402 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, to Hancock Lake & Tobacco Lake via Diamond Lake 1936 Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC1409507  Madia elegans F. W. Oettinger 1969-8-10 1328 Siskiyou Fort Jones Comment
  UC61072  Madia gracilis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
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Apr 28 2007
  CAS-BOT-BC343438  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou McBride Springs, Mount Shasta 1524 Comment
  OBI53731  Madia gracilis David J. Keil, Kathleen Keil 1992-7-19 23466 Siskiyou Klamath NF. Salmon Mountain Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  OBI55434  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  RSA11145  Madia gracilis subsp. gracilis C. B. Wolf 1934-7-4 5939 Siskiyou Horse Creek road to Dry Lake Lookout, Siskiyou Mountains, 8.4 miles by road from the Lookout Station 1524 Comment
  UCR39792  Madia gracilis subsp. gracilis L. P. Janeway 1983-9-23 691 Siskiyou at Poker Flat 1524 Comment
  SEINET10474823  Madia minima Mary Susan Taylor 1980-7-8 Taylor 3113 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  RSA48230  Mahonia aquifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC512762  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1923-5-20 11870 Siskiyou Shasta Springs Comment
  CAS-BOT-BC512764  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-15 1091 Siskiyou Mccloud Comment
  RSA262384  Maianthemum racemosum subsp. amplexicaule J. M. Tucker, L. K. Mann 1963-7-7 3720 Siskiyou Ca. 1/4 mile north of Paradise Lake, east side of King s Castle, Marble Mountain Wilderness Area 1982 Comment
  HSC18913  Maianthemum stellatum J. O. Sawyer 1968-6-18 177 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC18914  Maianthemum stellatum J. O. Sawyer 1968-7-10 464 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC73355  Maianthemum stellatum Gail Newton 1980-6-20 445 Siskiyou Near Bald Mtn. 1097 Comment
  HSC96871  Maianthemum stellatum Gordon Leppig 1998-7-10 914 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  SEINET11601695 Image available Malacothrix sonchoides G. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  JEPS109400  Melica aristata Dean W. Taylor 2004-7-20 19192 Siskiyou Mt. Shasta, slopes southwest of Squaw Valley Creek 1889 Comment
  RSA239036  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou North side of Tom Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC271105  Melica bulbosa L. R. Short 1933-6-6 75326 Siskiyou Lime Gulch 1219 Comment
  HSC76712  Melica bulbosa K. T. Stillman 1976-7-30 344 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  UCD86367  Melica bulbosa AHM 1955-7-27 55 G Siskiyou Klamath National Forest. Marble Mountains.Pierce's Draw Meadow. 1676 Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  SEINET10599386  Melica fugax George D. Butler 1910-1 Butler 1251 Siskiyou Dry hill Yreka. Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  CHSC88390  Mentzelia dispersa Jenny Marr 1993-7-1 149 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164049  Mentzelia dispersa Geo. D. Butler 1908-7-3 1026 Siskiyou Comment
  CHSC26191  Mentzelia laevicaulis J. P. Kroessig 1977-8-6 59 Siskiyou Ca 3 km sw of Mt Shasta City. 976 Comment
  SBBG40391  Mentzelia laevicaulis W. J. Dress 1951-8-15 Siskiyou Klamath River ca. 4 mi W of US Route 99 Comment
  CHSC99694  Micranthes ferruginea L. P. Janeway 2008-7-24 9472 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  CAS-BOT-BC428977  Micranthes ferruginea K. T. Stillman 1976-7-31 351 Siskiyou Marble Mountain Wilderness Area. East-facing ridge north from Black Mt. towards Jump off point. 2103 Comment
  CAS-BOT-BC428981  Micranthes ferruginea W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  HSC22304  Microseris nutans J. O. Sawyer 1969-7-11 1322 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  SJSU6479  Microseris nutans R. W. Trivelpiece 1972-6-9 93 Siskiyou c. 4 mi E of Grass L 1524 Comment
  HSC22303  Microseris nutans J. O. Sawyer 1969-7-10 1286 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  POM229878  Microseris nutans L. C. Wheeler 1935-6-13 3574 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  HSC64881  Mimulus moschatus D. L. Goforth 1979-7-19 270 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, .5 mi. S of upper lake 2226 Comment
  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
  JEPS22410  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  UC618865  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-29 11403 Siskiyou above Bear Springs; Mount Shasta Comment
  RSA12581  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi. from Mt. Shasta City on Wagon Camp Rd. S.W. slope of Mt. Shasta. 1220 Comment
  JEPS86952  Mimulus nanus var. nanus David M. Thompson 1988-6-5 934 Siskiyou near Old Station (around entrance to Subway Cave, just n of juct of Hwy 44 and Hwy 89) 1280 Comment
  UC164053  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  UC164054  Mimulus nanus var. nanus Geo. D. Butler 1909-6-29 60 Siskiyou Cherry Creek Comment
  SEINET10756245 Image available Mimulus primuloides var. linearifolius A. Arthur Heller 1915-8-26 Heller 12224 Siskiyou Heather meadow near the head of Wagon creek canon, Mt. Eddy. Pinus monticola is the only tree on the adjacent slopes. 2591 Comment
  HSC42964  Minuartia douglasii J. O. Sawyer, K. T. Stillman 1976-5-29 2754 Siskiyou Along Specimen Creek. 884 Comment
  CAS-BOT-BC174735  Minuartia nuttallii Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  HSC25490  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5718 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC77353  Minuartia nuttallii subsp. gregaria L. P. Janeway 1983-8-7 519 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  POM101138  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills. 1220 Comment
  CAS-BOT-BC540350  Minuartia rubella Dana York 2012-7-20 3127 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  CAS-BOT-BC229609  Mirabilis greenei L. E. Smith 1913-5-29 320 Siskiyou Yreka Comment
  CAS-BOT-BC229611  Mirabilis greenei John Thomas Howell 1952-6-14 28356 Siskiyou 6 miles W of Gazelle on road to Callahan Comment
  CHSC96407  Mitella caulescens L. P. Janeway 2006-7-1 8723 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC19  Mitella trifida William J. Ferlatte 1966-6-22 93 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  RSA238327  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou N side of Toms Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2104 Comment
  HSC61860  Moehringia macrophylla Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1019311  Moehringia macrophylla Dorothy Parker 1953-5-24 533 Siskiyou Scott River; Siskiyou Mountains, Scott River 681 Comment
  UC609332  Monardella Eleanor Burks Hart 1938-8-22 920 Siskiyou n. side Upper Wright Lake 2225 Comment
  SD88485  Monardella odoratissima subsp. glauca Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1707 Comment
  UC1124592  Monardella odoratissima subsp. glauca H. A. Jensen 1933-9-1 345 Siskiyou Wagon Camp Shasta National Forest, Dunsmuir Quadrangle Comment
  CAS-BOT-BC222167  Monardella odoratissima subsp. pallida A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  JEPS51857  Monardella odoratissima subsp. pallida Duncan Dunning 1921-7-20 Siskiyou about 10 air mi ne McCloud (Morrison (onetime logging camp)) Comment
  SEINET3996791 Image available Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  RSA215625  Monardella odoratissima subsp. pallida Gilbert Muth 1969-8-6 1196 Siskiyou Boulder Park. 2530 Comment
  RSA463108  Monardella odoratissima subsp. pallida 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
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  UC75187  Monardella villosa subsp. villosa Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  UC73545  Monotropa hypopitys Milo S. Baker Aug. 1897 Siskiyou Medicine Lake Mts. Comment
  CAS-BOT-BC453477  Monotropa hypopitys Ira L. Wiggins 1955-7-21 3855 Siskiyou In small gulch on Rush Creek Trail, 1.5 mi. above Mt. View Ranch 1036 Comment
  RSA604349  Monotropa hypopitys A. Sanger 1997-8-22 2608 Siskiyou Medicine Lake Highlands, along the road to Alcohol Crater plast the sump pond, south side of the road. 2146 Comment
  RSA697550  Monotropa hypopitys Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  RSA8239  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain east of Medicine Lake. 2134 Comment
  UC1101399  Montia fontana Herbert L. Mason 1948-7-18 13625 Siskiyou Grass Lake Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC445209  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  CAS-BOT-BC445211  Montia parvifolia Doris K. Kildale 1928-7-3 5420 Siskiyou Forks of Salmon, Salmon River Comment
  POM253654  Montia parvifolia C. L. Hitchcock 1939-7-7 5288 Siskiyou Sanger Peak. 1780 Comment
  JEPS87793  Muhlenbergia andina Vernon H. Oswald and Lowell Ahart 1994-8-1 6415 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  RSA239104  Muhlenbergia filiformis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1192 Siskiyou English Lake trail to Abbott's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1949300  Muhlenbergia filiformis Barbara Ertter 1900-7-14 9318 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  JEPS45831  Muhlenbergia jonesii Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mountain Comment
  UC1026901  Muhlenbergia jonesii W. B. Cooke 1940-7-5 15247 Siskiyou along Wagon Camp rd. Mt. Shasta Comment
  HSC30602  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  RSA239107  Muhlenbergia montana Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1168 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1222235  Myosotis discolor Joseph P. Tracy 1951-6-16 19464 Siskiyou ca. ___ <no mi. given> mi. n. of summit crossing of Siskiyou Mts. (on Takilma Happy Camp Rd.); Siskiyou Mts. Comment
  POM228958  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  UC1540139  Nama densa Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9251 Siskiyou Caldwell Butte Lava Beds National Monument, Caldwell Butte (on crater floor at northern interior, Lava Beds National Monument) 1499 Comment
  UCD77882  Nama densa Robert E. Preston 1997-6-1 1037 Siskiyou 100 ft n of Hwy 97. 1402 Comment
  CDA40299  Nama lobbii G. Deal 1966-7-18 s.n. Siskiyou Mt. Shasta, above Mt. Shasta City, 1/4 mile behind ski rental shop on road to ski bowl. 0 Comment
  HSC96869  Narthecium californicum Gordon Leppig, J. Cromwell 1997-7-25 582 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC230313  Navarretia heterandra H. D. Ripley; R. C. Barneby 1948-1-1 9630 Siskiyou 1 mile W of Montague Comment
  JEPS25653  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7295 Siskiyou about 4 mi nne Preston Peak (just e of Del Norte County line, Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  POM312620  Navarretia sinistra H. L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake, in forested hills Comment
  UC164096  Navarretia tagetina Geo. D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills Goosenest 1524 Comment
  HSC67574  Nicotiana acuminata var. multiflora J. P. Smith, Steve Selva 1970-7-17 4430 Siskiyou Along Klamath River Comment
  HSC77354  Nicotiana acuminata var. multiflora L. P. Janeway 1983-7-30 467 Siskiyou Near S side of Klamath River, 3 mi. E of Copco Lake (River Access No. 4) 777 Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC45574  Noccaea fendleri subsp. glauca Maralyn O'Meara 1974-5-25 436 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  JEPS82460  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Marble Gap Trail flat above Marble Valley; Marble Mt. Wilderness Area 1828 Comment
  RSA237486  Nothocalais alpestris Frederick W. Oettinger 1967-8-17 272 Siskiyou Crapo Peak Ridge where trail crosses it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  JEPS83878  Nothochelone nemorosa Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  UCR198250  Nothochelone nemorosa Dean Kelch 2007-7-25 07- 495 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  HSC76727  Nothochelone nemorosa K. T. Stillman 1976-8-8 396 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  UC582585  Nothochelone nemorosa Joseph P. Tracy 1935-8-1 14420 Siskiyou 1 mi ne of Summit Mine (3 mi se of Salmon Summit, Head of Knownothing Creek); Head of Knownothing Creek 1767 Comment
  UC375493  Nuphar lutea subsp. polysepala Geo. D. Butler 1908-8-3 525 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  RSA0013797  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Pond due W of the W cove of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 Comment
  SEINET184866 Image available Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-1 5273 Siskiyou Whiskey Lake, 0.5 mi above Camp Chicago, on Sanger Peak Trial 1463 Comment
  UC1222313  Oemleria cerasiformis Joseph P. Tracy 1951-6-16 19502 Siskiyou near State Line (at crossing of the Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  HSC16518  Oenothera cespitosa D. M. Thomson 1965-6-12 82 Siskiyou Lava Beds N.M., Hovey Point Comment
  RSA78993  Oenothera elata subsp. hirsutissima E. K. Balls, P. C. Everett 1953-10-13 18182 Siskiyou 0.7 mi S of Fish Hatchery, Mt Shasta and on road to Castle Lake. 1067 Comment
  SEINET8884740  Olsynium douglasii G. Butler 1910-3-11 1123 Siskiyou Ureka hills 914 Comment
  CDA37696  Onopordum acanthium Robin Breckenridge 2005-7-19 s.n. Siskiyou South Weed Exit, trucking parking area. 0 Comment
  UC1299157  Orobanche uniflora subsp. occidentalis Freed W. Hoffman 1950-7-13 3767 Siskiyou Baldy Lookout, western Siskiyou County. Comment
  CAS-BOT-BC458092  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 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
  UC922457  Orthilia secunda Annie M. Alexander and Louise Kellogg 1949-7-28 5877 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  UCR101272  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  CAS-BOT-BC458094  Orthilia secunda Lester Rowntree 1937-7-8 s.n. Siskiyou Happy Camp Rd. Comment
  POM15342  Orthocarpus bracteosus Copeland 1903-8-19 3897 Siskiyou Upton. N. Cal. [Siskiyou or Napa counties]. Comment
  CAS-BOT-BC266618  Orthocarpus cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest foothills Comment
  SEINET3159726  Orthocarpus cuspidatus G. D. Butler 1910-6-19 1584 Siskiyou Goosenet foothills 1524 Comment
  JEPS4543  Orthocarpus cuspidatus subsp. copelandii L. E. Smith 1913-9-1 Siskiyou Mt. Eddy Comment
  JEPS4544  Orthocarpus cuspidatus subsp. copelandii Alice Eastwood 1912-8-30 1965 Siskiyou Mount Eddy Comment
  HSC24862  Orthocarpus cuspidatus subsp. copelandii R. W. Spjut Aug 1970 1264 Siskiyou W side of ridge between Bear Lake and Turk Lake, Marble Mtn. Wilderness Area 2012 Comment
  HSC60387  Orthocarpus cuspidatus subsp. copelandii Carl Wishner 1978-8-1 555 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtns. Wilderness Area 1829 Comment
  HSC49943  Orthocarpus cuspidatus subsp. cuspidatus G. L. Clifton, Terry Griswold 1979-8-8 13066 Siskiyou Near Windy Camp, close to the town of Klamath River 2044 Comment
  JEPS4515  Orthocarpus imbricatus Alice Eastwood 1912-7-15 1066 Siskiyou McCloud Comment
  POM133073  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  RSA459027  Osmorhiza occidentalis L. C. Wheeler 1934-8-16 3166 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  UCR37815  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CHSC71285  Packera cana Vernon H. Oswald; Lowell Ahart 1998-6-11 9175 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC90556  Packera cana Jennifer Whipple 1977-7-20 1992 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC1216702  Packera cana W. B. and V. G. Cooke 1960-8-8 Siskiyou w bank Mud Creek Canyon; fell fields Mt. Shasta Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  CAS-BOT-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  HSC27221  Panicum capillare J. P. Smith, J. O. Sawyer 1971-9-18 4794 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CDA3571  Papaver rhoeas T. C. Fuller 1958-6-19 1809 Siskiyou Gazelle. 0 Comment
  POM210931  Parnassia californica Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175607  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou Klamath National Forest. N side White Mt. 1767 Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  CAS-BOT-BC259614  Pascopyrum smithii H. S. Yates 1936-6-21 5814 Siskiyou 6 miles N of Gazelle 792 Comment
  CAS-BOT-BC259743  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou S bank of Klamath River between McKinney and Parkhouse creeks. Near Hamburg 609 Comment
  UC637039  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou near Hamburg (south bank of Klamath River between McKinney and Parkerhouse creeks); s bank of Klamath River 609 Comment
  RSA459070  Pastinaca sativa L. C. Wheeler 1935-7-4 3653 Siskiyou Yreka 800 Comment
  CAS-BOT-BC202835  Paxistima myrsinites John Thomas Howell 1937-7-23 13369 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC202865  Paxistima myrsinites Wm. Bridge Cooke 1938-6-17 11046 Siskiyou Mount Shasta. Sisson Southern Trail 1432 Comment
  JEPS45932  Paxistima myrsinites Rimo Bacigalupi and L. R. Heckard 1966-6-12 9176 Siskiyou ca. 0.8 mi. n.w. of town Mt. Shasta (Sisson) (in City Park, just above Big Springs) 1097 Comment
  RSA1654  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 miles S of Mt. Shasta City. Comment
  UC604460  Paxistima myrsinites G. L. Stebbins Jr. 1936-6-13 1981 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) Comment
  UC869933  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou near Spirit Lake; Marble Mts. Comment
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  OBI55459  Pedicularis attollens David J. Keil, Kathleen Keil 1992-7-21 23544 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC266648  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  HSC19157  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-8-5 1750 Siskiyou W of Little Duck Lake 2073 Comment
  HSC65021  Pedicularis bracteosa var. flavida D. L. Goforth 1979-7-19 268 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.5 mi. S of Caribou Lake 2195 Comment
  UC1409425  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou High Lake Basins in vicinity of English Peak (in base camp meadow); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC922340  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-29 5897 Siskiyou near Hidden Lake (above Sky High Lake); Sky High Valley, Marble Mountains 1859 Comment
  HSC639  Pedicularis densiflora William J. Ferlatte 1967-6-30 596 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC66251  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC1483476  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail about .8 mi e of Cook and Green Pass; Klamath National Forest 1706 Comment
  HSC91146  Pedicularis racemosa Jennifer Whipple 1976-7-23 1528 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UCD18939  Pedicularis racemosa A. H. Murphy 1955-7-29 55 K Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  CAS-BOT-BC67681  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  UCR208089  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns, West Fork Cottonwood Creek 1238 Comment
  CAS-BOT-BC67684  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  CAS-BOT-BC67724  Pellaea brachyptera Wm. Bridge Cooke 1938-6-17 11036 Siskiyou Mount Shasta - along the Sison Southern Trail on a lava flow outcropping. 1371 Comment
  UC1408762  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou ridge between English Peak and Charmaine Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2023 Comment
  RSA211396  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou North side of Caribou Mtn. Trinity Alps. 1982 Comment
  HSC69368  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3809 Siskiyou E side of Grouse Hill 2122 Comment
  CHSC118649  Penstemon deustus Richard R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  HSC19128  Penstemon deustus J. O. Sawyer 1969-7-24 1507 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  UCSB23751  Penstemon deustus Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  HSC26186  Penstemon deustus J. P. Smith, J. O. Sawyer 1972-5-28 5380 Siskiyou Cecilville-Forks of Salmon 762 Comment
  HSC63257  Penstemon deustus M. A. Baker 1979-7-31 1098 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  CHSC110954  Penstemon deustus var. pedicellatus B. Castro; L. P. Janeway 2007-7-29 1669 Siskiyou Modoc Plateau. South of Callahan Flow but N of Medicine Lake Glass Flow, along 49 Rd (USFS Road 44N75) in vicinity of Fourmile Hill. Exact location not determined. 1981 Comment
  JEPS95925  Penstemon deustus var. suffrutescens Vernon H. Oswald and L. Ahart 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 23, 3250 ft, mixed coniferous forest 990 Comment
  CHSC30326  Penstemon gracilentus M. S. Taylor 1980-8-19 3269 A Siskiyou On se side of 42N50, on Hemlock Ridge, ca. 7.5 mi s of Tennant. 1828 Comment
  NY600753  Penstemon gracilentus A. A. Heller 1920-8-12 13514 Siskiyou Horse Camp, Mt. Shasta Comment
  UC711897  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-11 10507 Siskiyou three mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest, nr Medicine Lake Comment
  RSA408035  Penstemon gracilentus Cora Mae Life 1923-08 14590 Siskiyou Mt. Shasta Comment
  JEPS11460  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  NY604566  Penstemon laetus var. sagittatus C. L. Hitchcock 1954-6-22 20232 Siskiyou Ca. 6 miles north of Somes Bar on road to Camp Three. Comment
  CHSC4530  Penstemon newberryi J. E. Bowlin 1967-7-16 39 Siskiyou On roadside, ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  RSA401782  Penstemon newberryi Louis C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  SD53335  Penstemon newberryi Darley F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta 2438 Comment
  POM188516  Penstemon newberryi subsp. newberryi Marcus E. Jones 1931-7-17 28821 Siskiyou Shasta City (Session's). Comment
  UC618699  Penstemon newberryi var. newberryi W. Bridge Cooke 1938-6-17 11010 Siskiyou Sisson Southern Trail Mount Shasta 2438 Comment
  CAS-BOT-BC482443  Penstemon parvulus Dana York 2011-8-12 3048 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  CHSC1879  Penstemon parvulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  SEINET12291363  Penstemon procerus H. P. Chandler 1901-1 1639 Siskiyou near Marble Mtn 2134 Comment
  HSC21100  Penstemon purpusii William J. Ferlatte 1967-6-8 672 Siskiyou Yellow Rose Mine Trail 1677 Comment
  HSC91118  Penstemon roezlii Jennifer Whipple 1976-7-8 1358 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  HSC61156  Penstemon rupicola Al Hobart Siskiyou El Capitan Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  NY661038  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou Along U.S. Highway #97 1066.8 Comment
  OBI2045  Penstemon speciosus J. H. Applegarth 1969-6-19 s.n. Siskiyou W of Cow Crk, a tributary of Beaver Crk 1524 Comment
  RSA237657  Perideridia howellii Frederick W. Oettinger, R. Thorne 1969-8-8 1309 Siskiyou West of English Lake above the main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC535906  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 a Siskiyou s Lower Klamath Lake; Willow Creek Comment
  UC1390010  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5880 Siskiyou Cecilville Comment
  HSC76863  Perideridia oregana K. T. Stillman 1976-9-9 480 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  UC1114763  Perideridia parishii subsp. latifolia W. Bridge Cooke 1956-7-19 30310 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  CAS-BOT-BC423347  Peritoma platycarpa Brandegee No date on label s.n. Siskiyou Unspecified Comment
  SEINET3924776  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek.; 0 671 Comment
  CAS-BOT-BC419262  Persicaria maculosa Alice Eastwood 1912-7-22 1314 a Siskiyou Sisson Comment
  CAS-BOT-BC419264  Persicaria maculosa Elmer I. Applegate 1923-9-6 3977 Siskiyou Klamath River, mouth of Doggett Creek 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
  HSC79320  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  UC722560  Phacelia corymbosa C. L. Hitchcock and J. S. Martin 1939-7-6 5223 Siskiyou on peak above and n Divide of Siskiyou Mts. (on Takilma-Happy Camp rd) 1828 Comment
  UC1035172  Phacelia egena Dorothy Parker 1954-7-5 621 Siskiyou Scott Valley Siskiyou Mountains 855 Comment
  HSC43871  Phacelia greenei Jennifer Whipple 1977-4-30 1885 Siskiyou 915 Comment
  JEPS79424  Phacelia greenei F. D. and C. L. Horn 1980-5-31 Siskiyou Whipple Ranch Etna (nw corner of Section 25) Comment
  RSA517321  Phacelia greenei Barbara Ertter, T. Delendick 1987-5-17 6969 Siskiyou Scott Mountain Summit; 0.5 mile east of Route 3 on FR 40N08. 1707 Comment
  SD98971  Phacelia greenei Darley F. Howe 1977-7-5 4998 Siskiyou Area north of Mt. Shasta. 1463 Comment
  RSA47790  Phacelia greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11718 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  SEINET5763105  Phacelia greenei L. Constance, H. L. Moon, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Scott Mountain, summit of northwest spur. 1829 Comment
  UC147529  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  CAS-BOT-BC145046  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 Comment
  HSC97692  Phacelia linearis Thomas W. Nelson, Jane Nelson 2006-7-1 9449 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC642571  Phacelia mutabilis W. Bridge Cooke 1939-7-7 13633 Siskiyou along Wagon Camp-Horse Camp Trail Mount Shasta Comment
  UC1222906  Phacelia mutabilis Joseph P. Tracy 1951-6-16 19482 Siskiyou at crossing of the Tikilma-Happy Camp Rd summit of the Siskiyous (near OR-CA state line) Comment
  JEPS118711  Phacelia pringlei Julie Kierstead Nelson 2010-6-3 2010 -012 Siskiyou Scott Mountain; Road 40N08 from Hwy. 3 at summit to Carmen Lake, at Pacific Crest Trail crossing. Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  UCD120681  Phacelia ramosissima Robert E. Preston 1995-6-22 896 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  HSC36662  Philadelphus californicus Brent Whitely 1975-6-28 90 Siskiyou 915 Comment
  CDA17141  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  JEPS49605  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  CAS-BOT-BC77409  Philadelphus lewisii C. H. M. 1907-9-26 s.n. Siskiyou Klamath Canyon near Shovel Creek Comment
  CAS-BOT-BC250792  Phleum alpinum A. A. Heller 1922-7-15 13710 Siskiyou At Medicine Lake 2133 Comment
  UCR90864  Phlox adsurgens Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  UCSB22299  Phlox adsurgens Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  RSA135325  Phlox adsurgens Volney Rattan 1879-1 s.n. Siskiyou East slope Siskiyou Mountains Comment
  RSA495514  Phlox adsurgens Elaine Joyal, D. Mehlman 1988-6-25 1275 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  CHSC4540  Phlox caespitosa J. E. Bowlin 1967-7-18 56 Siskiyou 150 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. It is 15.5 mi. from the center of the city of Shasta. 2407 Comment
  SJSU11450  Phlox diffusa M. R. Kempf 1965-7-13 312 Siskiyou above Horse Camp W slope Mt Shasta 2438 Comment
  RSA237378  Phlox diffusa Frederick W. Oettinger 1967-7-7 156 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET12279216  Phlox diffusa H. P. Chandler 1901-1 1591 Siskiyou Ridges and meadows near Marble Mountain 2134 Comment
  POM255931  Phlox diffusa subsp. diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  RSA68854  Phlox diffusa subsp. diffusa A. E. Culbertson 1943-6-26 102 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC1540131  Phlox gracilis Dean W. Taylor 1987-6-26 9078 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  SEINET10496959  Phlox speciosa subsp. nitida Mary Merello 1993-6-22 Merello 697 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC1186127  Phlox speciosa subsp. occidentalis H. L. Mason 1931-5-9 5869 Siskiyou 3 mi s Weed Comment
  UC205784  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka hills Yreka Comment
  UC618793  Phoradendron libocedri W. Bridge Cooke 1938-8-19 11520 Siskiyou Mt. Shasta, Bear Springs Comment
  SBBG14309  Phyllodoce breweri J. Major 1961-7-14 633 Siskiyou Panther Meadows Cmpgrd, Mount Shasta 2270 Comment
  UC877014  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Marble Mountains, Elk Mountain Elk Mountain; Marble Mountains, Elk Mountain Comment
  UCD117724  Phyllodoce empetriformis R. Tofsrud; J. M. Tucker 1948-8-2 1767 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  UCR219537  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  CAS-BOT-BC60778  Physaria occidentalis Lincoln Constance; Herbert L. Mason; J. F. Davidson; J. M. Tucker 1947-5-17 3199 Siskiyou Summit of northwest spur of Scott Mountain. 1828 Comment
  CAS-BOT-BC64870  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-15 219 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. Top of pass going N along ridge towards Preacher's Peak. 2130 Comment
  HSC27011  Physocarpus capitatus J. P. Smith, J. O. Sawyer 1972-9-13 5779 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  RSA30435  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1189 Comment
  RSA666427  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  RSA68932  Physocarpus capitatus A. E. Culbertson 1943-7-16 26 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6000' eastern spur of Trinity Wts. ; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC78160  Picea breweriana Peter M. Bennett s.n. Siskiyou head of Know-Nothing Creek, Salmon Mts. near boundary of Siskiyou + Trinity Co. 2133 Comment
  CAS-BOT-BC78167  Picea breweriana Doris K. Kildale 1928-8-19 6561 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  CAS-BOT-BC78178  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  CDA492  Picea breweriana Gordon Leppig, Tony LaBanca 1998-7-11 921 Siskiyou Klamath National Forest; Duck Lakes Trail. Comment
  JEPS46723  Picea breweriana W. L. Jepson 1907-7-10 2869 Siskiyou 6 mi w Elbow Camp; Klamath Range Comment
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Nov 12 2011
  JEPS8480  Picea breweriana Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3453 Siskiyou about 1.5 mi below and se saddle at summit of Takilma - Happy Camp road Comment
  SBBG47340  Picea breweriana J. T. Howell, G. H. True 1972-6-8 Siskiyou S of summit on rd from Takilma to Happy Camp Comment
  UCSB26297  Picea breweriana Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  JEPS46916  Pinus attenuata W. L. Jepson 1907-7-11 2889 Siskiyou upper crossing to Quartz Valley; S Fork Smith River Comment
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Nov 12 2011
  SFV20775  Pinus balfouriana J. Briggs 2007-2-20 s. n. Siskiyou Salmon Trinity Alps, Preachers Peak. 2160 Comment
  NY61628  Pinus lambertiana I. L. Wiggins 1955-7-24 13496 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
  HSC67696  Pinus monticola John Palmer 1980-7-24 579 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA237351  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Due East of Toms Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2119 Comment
  CAS-BOT-BC72867  Pinus ponderosa Doris K. Kildale 1929-4-27 7494 Siskiyou Cecilville Comment
  RSA237359  Pinus washoensis Frederick W. Oettinger 1968-9-4 701 Siskiyou On a northwest-tending ridge from the peak between Abbotts Lake and Lake of the Island---just below the peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC91318  Plagiobothrys hispidulus Jennifer Whipple 1976-7-23 1528 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM228957  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1935-6-27 3613 Siskiyou Greenview, Scott Valley. 884 Comment
  POM182432  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka Hills. Comment
  POM72155  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou Yreka. Comment
  RSA47773  Plagiobothrys tenellus Roxana S. Ferris, Laura Lorraine 11891 Siskiyou 1 mile below summit of Gazelle Mt grade, W side Gazelle-Callahan Road. 1220 Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  HSC97402  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 341 Siskiyou Sacramento River drainage between Mt. Shasta City and Mt. Eddy. Off road to Deadfall Lakes and Morgan Meadows 1524 Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  POM67770  Plectritis macrocera subsp. grayi Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek. Comment
  RSA123776  Poa G. Douglas Barbe 1955-8-5 362 Siskiyou Salmon Mtns., At summit of trail from Big Flat to Caribou Lake, a point NW of Caribou Mt. 2409 Comment
  RSA184792  Poa Gilbert Muth 1966-7-17 403 Siskiyou Trail to lookout, Marble Mts. 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
  HSC100250  Poa bulbosa J. P. Smith, & J. O. Sawyer 2010-5-2 12806 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  UCD90654  Poa bulbosa Beecher Crampton 1969-6-19 8470 Siskiyou 3 miles north of Weed, along Interstate Hwy. 5. Comment
  HSC10673  Poa compressa R. C. Wunner 1965-6-6 80 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  UC1924337  Poa compressa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19743 Siskiyou 6.5 mi SW of Etna on Forest Service Rpoad 1C-01 towards Etna Summit 1424 Comment
  HSC76674  Poa glauca subsp. rupicola K. T. Stillman 1976-7-21 281 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC246634  Poa howellii Lewis S. Rose 1945-6-18 45111 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake 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
  HSC68979  Poa pratensis Maralyn A. Renner 1980-7-24 2104 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC1265428  Poa pratensis subsp. pratensis Frederick W. Oettinger and R. F. Thorne 1969-8-5 1191 Siskiyou trail English Lake to Abbotts (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  LA12614  Poa pringlei Jason Swallen; 1939-7-26 13762 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  UC1265427  Poa pringlei Frederick W. Oettinger and R. F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake (vicinity of English Peak); Salmon Mts, western Siskiyou Co, High Lake Basins, Marble Mt 1828 Comment
  UC642584  Poa pringlei Jason Swallen 1939-7-26 13755 Siskiyou lava slopes below Lake Helen (on Summit Trail); Mt Shasta Comment
  UCD91773  Poa pringlei A. H. Murphy 1958-8-6 58 L Siskiyou Klamath National Forest. Second Valley Marble Mountains. 2255 Comment
  SEINET10602273  Poa rhizomata George D. Butler 1910-4-21 Butler 1206 Siskiyou Ditch bank, Kidder Creek. Comment
  CAS-BOT-BC255012  Poa secunda K. T. Stillman 1976-8-7 174 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  CDA18408  Poa secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-28 2594 Siskiyou Cascade Range; 2.5 miles south of Grenada Station, 0 Comment
  UC167207  Poa secunda subsp. juncifolia Geo. D. Butler 1908-7-16 467 Siskiyou Klamath River Comment
  CAS-BOT-BC243240  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53409 Siskiyou Fort Jones 853 Comment
  HSC30663  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  HSC30664  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1231 Siskiyou Marble Mtn. Wilderness Area, S of Pine Lake on the face of a steep cliff, between crevices. 1921 Comment
  HSC34099  Poa secunda subsp. secunda J. O. Sawyer 1969-8-4 1844 Siskiyou Above Sugar Lake 2134 Comment
  JEPS117863  Poa secunda subsp. secunda J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -19 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  UCD90888  Poa secunda subsp. secunda P. B. Dickey 1940-5-26 942 Siskiyou South of Dwinnell Lake. Comment
  UCD91627  Poa secunda subsp. secunda A. A. Heller 1920-6-28 13402 Siskiyou Beyond Wagon Creek falls, east side of Mt. Eddy. 1524 Comment
  SEINET7873919  Poa wheeleri G. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1524 Comment
  UC1265392  Poa wheeleri Frederick W. Oettinger 1969-9-4 1666 Siskiyou s side of Tobacco Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1828 Comment
  UCD35442  Poa wheeleri Beecher Crampton 1956-8-22 3855 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  SEINET250671  Poaceae Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook and Green Road. 1036 Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS84252  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ridge e Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley) 1900 Comment
  CAS-BOT-BC232903  Polemonium carneum Lillian Mott 1976-7-7 45 LM76 Siskiyou Reeves Spring ca. 7 miles E of Cook and Green Pass 1828 Comment
  JEPS91171  Polemonium eddyense Dean W. Taylor 1988-7-10 9962 Siskiyou Summit of Mt. Eddy ridge 2750 Comment
  SEINET12203957  Polygala cornuta M. Ownbey, Meyer, F. G. 1940-1 2164 Siskiyou 7 mi NW of McCloud Comment
  JEPS93927  Polygala cornuta var. cornuta Vernon H. Oswald and Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC163819  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Oro Fino Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  SEINET10479618  Polygonum bistortoides Mary Susan Taylor 1980-6-23 Taylor 2947 Siskiyou T39N R5W se sec 19 Dunsmuir quad. Shasta-Trinity Natl Forest; ca. 100 ft S of Rd 40N26, ca. 1 mi E of its jct with road to Cedar Lake (39N05Y), near S fork of Sacramento River, ca. 10 mi SW of Mt Shasta. 1570 Comment
  JEPS50521  Polygonum convolvulus W. L. Jepson July, 1894 14804 Siskiyou Sisson Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  RSA237769  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  RSA601447  Polygonum douglasii Louis C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS25589  Polygonum douglasii Rimo Bacigalupi 1959-7-2 7221 Siskiyou near north base of Caribou Mtn. (just so of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of Salmon River, Big Flat Campground 1508 Comment
  CHSC35566  Polygonum douglasii subsp. douglasii J. P. Smith; J. Whipple 1978-7-2 9978 Siskiyou Trail from Cook and Green Pass to Copper Butte. Rock outcrops and dry meadows. 1767 Comment
  UC1034056  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1941-9-5 16266 Siskiyou MacBride Springs Mt. Shasta Comment
  UC164039  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  POM211807  Polygonum hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. Mt. Diablo Mer. 671 Comment
  UC1045311  Polygonum lapathifolium W. Bridge Cooke 1940-7-12 15323 Siskiyou along Castle Lake rd near Mount Shasta City (near irrigation ditch) 1066 Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  UC618598  Polygonum minimum W. Bridge Cooke 1938-9-8 11658 Siskiyou Squaw Creek Meadows 2590 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  RSA82767  Polygonum newberryi J. M. Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Siskiyou County. alt 7900ft. 2409 Comment
  UC1408818  Polygonum phytolaccifolium Frederick W. Oettinger and R. F. Thorne 1969-8-7 1274 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (se end, w Siskiyou Co.) 1828 Comment
  RSA184755  Polygonum phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mtns. 1860 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
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  CAS-BOT-BC421067  Polygonum spergulariiforme A. A. Heller 1916-7-20 12477 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  SBBG25881  Polygonum spergulariiforme D. Myrick 1966-8-8 1489 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  CAS-BOT-BC237390  Polypogon monspeliensis Dorothy Parker 1948-7-28 74 Siskiyou Scott Valley 853 Comment
  HSC79151  Polystichum imbricans C. J. Thomas 1983-10-1 101 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UC637174  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback 1798 Comment
  UC812658  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek; Siskiyou Mts. 1584 Comment
  UC42137  Polystichum kruckebergii unknown 1878-6-16 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC72389  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou North side of Scott Mt. Comment
  HSC81755  Polystichum lemmonii Thomas W. Nelson, Jane Nelson 1980-7-20 6184 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC92661  Polystichum lemmonii Jennifer Whipple 1976-9-3 1783 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  UC336670  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Mt. Eddy Comment
  UCD78120  Polystichum lemmonii Robert E. Preston 2001-6-30 1646 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1828 Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  POM210966  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  SD82108  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Siskiyou Mountains, Dead Cow Creek, Mt. Diablo Mer. 1890 Comment
  UCD136528  Polystichum lonchitis John M. Tucker 1963-8-19 3772 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  UC1483403  Polystichum munitum John Palmer 1980-8-15 982 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Seiad Valley Quadrangle 1097 Comment
  UC371162  Polystichum munitum G. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral; Russian Creek 1219 Comment
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Jan 13 2007
  HSC28674  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 1860 Comment
  UC375242  Populus trichocarpa Geo. D. Butler 1909-9-26 972 Siskiyou along creek near Yreka; along creek near Yreka Comment
  UCD144584  Potamogeton amplifolius Steve Orloff 2002-1 s.n. Siskiyou Cecilville, Property owned by John Riewerts. 709 Comment
  HSC30478  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-21 1473 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  HSC67610  Potamogeton crispus J. P. Smith, Steve Selva 1970-7-16 4380 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC725956  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou Abram Lake Comment
  UCR101770  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  HSC65286  Potentilla breweri Rich White 1978-7-6 253 Siskiyou Pond above Elk Hole 1524 Comment
  HSC86548  Potentilla drummondii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC143257  Potentilla flabellifolia W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  UC1409358  Potentilla flabellifolia Frederick W. Oettinger 1968-9-5 718 Siskiyou se side Hancock Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  RSA183665  Potentilla fruticosa Gilbert Muth 1965-8-12 217 Siskiyou Marble Mountains, backside of Black mountain Comment
  UC454990  Potentilla gracilis var. fastigiata I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  JEPS93880  Potentilla millefolia Vernon H. Oswald and Lowell Ahart 1998-7-21 9342 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UCD113809  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, ca. 22 miles northeast of Weed. Comment
  HSC19566  Prosartes hookeri J. O. Sawyer 1968-7-10 514 Siskiyou S side of Sugar Creek. 1616 Comment
  RSA183721  Prunella vulgaris var. lanceolata Gilbert Muth 1965-8-16 222 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC158242  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  CAS-BOT-BC158244  Prunus emarginata A. M. Vollmer; L. Beane 1951-6-2 68 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  UC1971317  Prunus emarginata Louis C. Wheeler 1952-9-17 6943 Siskiyou Comment
  UC861016  Prunus emarginata Lewis S. Rose 1937-7-25 37595 Siskiyou Mount Shasta City 1158 Comment
  JEPS80524  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, s of camp, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Marble, Marble Mountain Wilderness Area 1792 Comment
  RSA15594  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp. Comment
  UC1034612  Prunus virginiana var. demissa Douglas Barbe 1955-6-28 24 Siskiyou 0.8 mi n of Callahan; Klamath Mountains 1005 Comment
  RSA105504  Prunus virginiana var. demissa Milo S. Baker, Douglas Barbe 1955-6-28 24 Siskiyou 0.8 miles N of Callahan 1006 Comment
  RSA454202  Prunus virginiana var. melanocarpa Christopher Davidson 1975-6-5 2654 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  CAS-BOT-BC357405  Pseudognaphalium microcephalum Alice Eastwood 1921-7-26 10868 Siskiyou Soda Creek Comment
  UC896906  Pseudognaphalium thermale Alice Eastwood 1912-7-21 1297 Siskiyou Sisson Comment
  RSA724915  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC68442  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-7-4 1387 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow Comment
  CAS-BOT-BC147906  Purshia tridentata var. tridentata Alice Eastwood 1923-5-22 11898 Siskiyou Sisson, road to Mt. Shasta Comment
  POM88105  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River. Comment
  RSA59510  Purshia tridentata var. tridentata E. K. Balls 1950-5-15 14702 Siskiyou Below Indian Wells Public Camp. Lava Beds National Monument. 1402 Comment
  UC375386  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou near Shasta River (Yreka Creek); Yreka Creek Comment
  CHSC1410  Pyrola asarifolia subsp. asarifolia V. Holt 1932-6-28 Siskiyou S. S. Campus, Mt. Shasta City. 1097 Comment
  HSC30459  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1969-8-14 1364 Siskiyou Marble Mtn. Wilderness Area, inlet to Upper English Lake 1768 Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SEINET11977316  Pyrola dentata M. Ownbey, Meyer, F. G. 1940-1 2225 Siskiyou near summit of Siskiyou Mountains, 17 mi N of Happy Camp Comment
  HSC18921  Pyrola minor J. O. Sawyer 1969-8-1 1610 Siskiyou Behind Horseshoe Lake 1921 Comment
  SEINET191597  Pyrola picta Unknown 1940-7-8 2225 Siskiyou Coniferous woods near summit of Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  UC618900  Pyrola picta W. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta, along the Sisson Southern Trail Mount Shasta; , Sisson Southern Trail 1676 Comment
  CAS-BOT-BC466131  Pyrola picta Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  HSC2327  Pyrrocoma racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  HSC85676  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10344 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  RSA476553  Quercus chrysolepis Edwin Kline 1920-6-17 s.n. Siskiyou Siskiyou Mts. Comment
  UC1409457  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1252 Siskiyou lower Toms Lake Basin, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC94665  Quercus garryana L. R. Abrams 1924-8-7 9895 Siskiyou Klamath River 6 miles below Hornbrook Comment
  SACT002132  Quercus garryana Herbert Copeland 1936-6-21 Siskiyou roadside, small trees, abundant on arid hills Comment
  UC249561  Quercus garryana Joseph P. Tracy 1922-9-3 6113 Siskiyou Somes Bar Northern Coast Ranges 243 Comment
  HSC29142  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  UC1408907  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou e side, vicinity of English Peak, w Siskiyou County Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1722 Comment
  JEPS74588  Quercus garryana var. breweri William J. Ferlatte 1973-7-30 1482 Siskiyou ca 1 mi se Big Flat (Yellow Rose Mine Trail); Trinity Alps 1828 Comment
  POM106357  Quercus kelloggii Geo. D. Butler 1910-4-16 1183 Siskiyou Klamath River. Comment
  CAS-BOT-BC104357  Quercus sadleriana D. E. Breedlove 1962-6-10 3289 Siskiyou on SW slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles NW of Happy Camp 1554 Comment
  JEPS89112  Quercus sadleriana Wayne Roderick 1978-9-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1463 Comment
  POM267243  Quercus sadleriana Marion Ownbey, Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles north of Happy Camp. Comment
  SBBG115705  Quercus sadleriana G. J. Muth, J. M. Tucker 1972-8-8 1796 Siskiyou Elk Pk, Scott Bar Quad 1828 Comment
  UC1409454  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou n shore Tobacco Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Engliah P 1889 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
  CAS-BOT-BC104615  Quercus vacciniifolia L. E. Smith 1913-7-1 450 Siskiyou Rainbow Comment
  CAS-BOT-BC104626  Quercus vacciniifolia Alice Eastwood 1921-6-24 10759 Siskiyou Castle Lake Comment
  UC455271  Quercus vacciniifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  SEINET10970880  Quercus vacciniifolia Patricia L. Kenney 1973-6-4 Kenney 385 Siskiyou On steep roadbank along road from cecilville to callahan; 6.4 miles w of Callahan 1737 Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  JEPS75772  Raillardella pringlei Susan Horner 1976-10-5 49 Siskiyou along stream draining out of Toad Lake 2072 Comment
Read comments
Oct 13 2011
  JEPS49022  Ranunculus alismifolius var. alismellus Hilda W. Grinnell 1935-6-7 Siskiyou Deer Camp Ranger Station Siskiyou Mts. 1798 Comment
  POM98895  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1909-1 545 Siskiyou [No locality information on label.] Comment
  UC827725  Ranunculus eschscholtzii var. suksdorfii John Thomas Howell 1937-7-25 13439 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC165298  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  CDA3484  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  UC705886  Rhamnus californica subsp. californica Marion Ownbey and Fred G. Meyer 1940-7-8 2224 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  SEINET13946368 Image available Rhamnus rubra A. A. Heller 1916-1 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC53738  Rhododendron columbianum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou A ledum swamp just below Mumbo Lake, Trinity Mts. 1828 Comment
  UCD117874  Rhododendron columbianum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar Salmon Mountains. 1615 Comment
  CHSC86649  Rhododendron neoglandulosum Jenny Marr 1993-7-1 32 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC199742  Rhododendron occidentale var. paludosum Alice Eastwood 1923-5-29 11993 Siskiyou Shasta Springs Comment
  CAS-BOT-BC200396  Rhododendron occidentale var. paludosum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mt. Eddy Comment
  CDA34292  Rhododendron occidentale var. paludosum J. Knorr 1980-7-8 51 Siskiyou Siskiyou Mtns.; Scott Mtn., NE of Hwy 3 crossing of Pacific Crest Trail. Cabin Meadows Creek. 1828 Comment
  HSC7889  Rhododendron occidentale var. paludosum Dorothy Parker 1949-6-6 Siskiyou French Creek, Salmon Mtns. 1372 Comment
  CAS-BOT-BC200404  Rhododendron occidentale var. paludosum C. F. Rose 1930-5-1 s.n. Siskiyou Near Redding Comment
  CAS-BOT-BC438009  Ribes W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC438011  Ribes W. R. Dudley 1899-8-22 s.n. Siskiyou Near spring - Craggy Peak Comment
  CDA25521  Ribes aureum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2623 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CAS-BOT-BC92545  Ribes binominatum Saxton; Canfield 1922-8-26 87 Siskiyou Klamath Forest. Greider [Grider] Creek. 1524 Comment
  JEPS105133  Ribes binominatum Dean W. Taylor 1996-7-7 15805 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  RSA237679  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC67825  Ribes cereum J. O. Sawyer, J. Cole 1980-7-20 3764 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA0024867  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 miles north of Weed, on US Highway 97. Comment
  RSA0024869  Ribes cereum Jack Major 1961-7-14 635 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  HSC36927  Ribes cereum var. cereum J. P. Smith 1974-5-27 7595 Siskiyou Along USFS Rd. 47N03 1646 Comment
  UC144335  Ribes divaricatum A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  CAS-BOT-BC173284  Ribes lacustre John Thomas Howell 1937-7-25 13459 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC19430  Ribes lacustre J. O. Sawyer 1968-7-9 451 Siskiyou W of Little Duck Lake. 1936 Comment
  UC1222377  Ribes lacustre Joseph P. Tracy 1951-6-16 19498 Siskiyou near State Line (summit of Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  UC455590  Ribes lobbii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  RSA0021148  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC212490  Ribes marshallii Doris K. Kildale 1928-8-20 6605 Siskiyou Lily Pad Lake nera Hancock Lookout Trail to Marble Mt. 1981 Comment
  HSC61941  Ribes marshallii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  RSA167322  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
Read comments
Jul 12 2012
  UC165747  Ribes marshallii Geo. D. Butler 1908-5-4 257 Siskiyou Head of Shackleford Creek Comment
  JEPS128460  Ribes montigenum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC219261  Ribes nevadense Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  HSC64664  Ribes nevadense J. O. Sawyer 1977-7-6 3030 Siskiyou South of Little Duck Lake 2134 Comment
  JEPS24795  Ribes nevadense Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6804 Siskiyou headwaters Sacramento River (Shore of Castle Lake); Castle Lake, Sacramento River 1661 Comment
  JEPS49300 Image available Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-21 164 Siskiyou Jackson Lake Comment
  UC73099  Ribes nevadense Milo S. Baker 1898-1 Siskiyou Bear Mts. Siskiyou Mts. Comment
  RSA0023153  Ribes nevadense I. L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  RSA0023155  Ribes nevadense Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC70542  Ribes roezlii T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  UC165385  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-11 655 Siskiyou Shasta Retreat Comment
  RSA0024602  Ribes roezlii var. cruentum Geo. D. Butler 1909-7-23 780 Siskiyou [No location information on label.] Comment
  UC165272 Image available Ribes sanguineum Geo. D. Butler 1909-4-26 671 Siskiyou Quartz Valley Comment
  RSA0019537  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain. Comment
  RSA0019539  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou Northwest of Upper English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1921 Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  RSA0019711  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek and Fall Creek. 793 Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  CHSC1669  Ribes viscosissimum M. Yoder 1941-6-6 Siskiyou Castle Lake. 1981 Comment
  HSC44981  Ribes viscosissimum J. O. Sawyer 1978-6-21 3284 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC49421  Ribes viscosissimum J. O. Sawyer 1968-9-8 760 Siskiyou Below Young's Meadow on Clear Creek 1402 Comment
  HSC67792  Ribes viscosissimum J. O. Sawyer, J. Cole 1980-7-20 3747 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC74657  Rorippa curvisiliqua H. E. Brown 1897-7-15 573 Siskiyou South side of Mount Shasta. 304 Comment
  JEPS53854  Rorippa curvisiliqua Milo S. Baker 1898-8-1 486 Siskiyou shore Medicine Lake; shore of Medicine Lake Comment
  POM95538  Rorippa curvisiliqua Geo. D. Butler 1909-5-29 783 Siskiyou Near Yreka. Comment
  HSC26766  Rosa californica J. P. Smith, J. O. Sawyer 1971-9-18 4841 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC64784  Rosa californica J. P. Smith, Steve Selva 1970-6-15 3939 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC146762  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  CAS-BOT-BC146764  Rosa gymnocarpa Geo. B. Grant 1902-9-15 s.n. Siskiyou Dunsmuir Comment
  HSC59618  Rosa gymnocarpa J. P. Smith, Steve Selva 1970-6-16 3993 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  JEPS47278  Rosa gymnocarpa Ruby Van Deventer 1938-7-31 271 Siskiyou Twin Valley 1219 Comment
  RSA537276  Rosa nutkana Walter Wisura, J. Romero 1991-10-18 4603 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  POM140216  Rosa pisocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta region Comment
  RSA237808  Rosa pisocarpa Frederick W. Oettinger 1969-8-18 1434 Siskiyou Base of cliff NE of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  RSA237816  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou Just below Diamond Lake on way towards English Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2058 Comment
  HSC98452  Rosa spithamea Carl W. Mize 1972-6-22 86 Siskiyou Above U-turn on main rd. 732 Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  JEPS47797  Rubus lasiococcus W. L. Jepson 1937-7-30 18563 Siskiyou Poker Flat Siskiyou Mts., (headwaters Indian Creek) 1584 Comment
  POM208382  Rubus lasiococcus Louis C. Wheeler 1934-8-13 3116 Siskiyou Johnson Dairy. Siskiyou Mtns. 1829 Comment
  CAS-BOT-BC147987  Rubus leucodermis Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  HSC99688  Rubus leucodermis G. L. Clifton, Terry Griswold 1979-6-27 6092 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  RSA245274  Rubus macropetalus Carl W. Mize 1972-6-8 37 Siskiyou Forks of Salmon quad. By Wooley Creek. 335 Comment
  CAS-BOT-BC147310  Rubus parviflorus M. S. Baker 1897-7-1 163 Siskiyou Mayfield Road near Bartlis Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  UC1483553  Rubus ursinus John Palmer 1980-8-12 713 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  RSA92514  Rudbeckia occidentalis L. C. Wheeler 1934-8-2 3024 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1829 Comment
  UC224171  Rumex acetosella H. E. Brown Jun 1 1897-Jun 10 1897 304 Siskiyou near Sisson; ; separated from UC224172, coll H. E. Brown in Idaho, Aug 1896, #22 1083 Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  RSA68896  Rumex acetosella A. E. Culbertson 1943-7-12 61 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  UCD101600  Rumex salicifolius Rolf Y. Berg 1964-7-15 8269 Siskiyou Seiad Valley. W of Cook and Green Pass and above Lily Pad Lake. Comment
  UC1072719  Rumex salicifolius var. salicifolius Douglas Barbe 1955-6-29 49 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  UC375324  Rumex salicifolius var. salicifolius Geo. D. Butler 1908-7-6 512 Siskiyou near Yreka Comment
  UC166122  Sagina saginoides Geo. D. Butler 1908-8-7 48 Siskiyou lake at head of W. Fork Woolly Creek Comment
  UC935739  Sagittaria cuneata Calvin McMillan and Malcolm A. Nobs 1949-6-17 799 Siskiyou Grass Lake; Highway 97 Comment
  JEPS80493  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS80592  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  UC1173604  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14396 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  RSA105507  Salix laevigata G. D. Barbe 1955-6-28 6 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  RSA610753  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET4471747 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 bis Siskiyou Yreka Comment
  LA208808  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 411 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  HSC28673  Salix lasiandra var. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou Marble Mtn. Wilderness Area, W of Hancock Lake 1890 Comment
  POM219891  Salix lasiolepis H. P. Bracelin 1931-6-19 412 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC375232  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek Comment
  CAS-BOT-BC128348  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 613 Siskiyou Weed Comment
  CAS-BOT-BC124899  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC124902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1455 Comment
  UCR133525  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  HSC22232  Salix scouleriana J. O. Sawyer 1968-9-13 708 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC28681  Salix scouleriana Frederick W. Oettinger 1968-9-8 784 Siskiyou Marble Mtn. Wilderness Area, E shore of English Lake 1738 Comment
  POM219899  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  UC481711  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 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
  UC481724  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base Mt. Eddy); n. base Mt. Eddy 1110 Comment
  JEPS84287  Salix sitchensis L. R. Heckard with S. D'Alcamo, J. Hickman, and W. Roderick 1986-7-16 6396 Siskiyou ca. 5.5 mi n Seiad Valley town (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1740 Comment
  HSC4806  Salsola tragus R. C. Wunner 1965-7-21 407 Siskiyou Lava Beds National Monument, near Captain Jack's Stronghold. 1220 Comment
  UCD125656  Salvia virgata C. S. Giebner 1968-7-29 s.n. Siskiyou E. H. Marlow property, Greenhorn Valley, around 2 miles west of Yreka. Comment
  RSA105379  Sambucus caerulea G. D. Barbe 1955-7-5 96 Siskiyou 5.7 miles south of Etna on French Creek Road 884 Comment
  RSA238532  Sambucus caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Just west of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1037474  Sambucus mexicana Douglas Barbe 1955-7-5 96 Siskiyou 5.7 mi s Etna (on French Creek Road); Klamath Mountains 883 Comment
  CAS-BOT-BC238877  Sambucus nigra subsp. caerulea Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley, Marble Mts. 1795 Comment
  CAS-BOT-BC238881  Sambucus nigra subsp. caerulea John Thomas Howell 1934-7-4 12409 Siskiyou Unspecified Comment
  HSC674  Sambucus racemosa var. melanocarpa William J. Ferlatte 1967-7-26 747 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  JEPS45510  Sanguisorba annua W. L. Jepson July 1894 13862 Siskiyou Sisson Comment
  JEPS93899  Sanguisorba annua Vernon H. Oswald and Lowell Ahart 1998-7-21 9344 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  HSC39211  Sanicula bipinnatifida J. P. Smith 1976-5-4 8654 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  RSA78810  Sanicula graveolens P. A. Munz 1952-7-2 17884 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC735125  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  HSC46730  Sanicula graveolens William J. Ferlatte 1974-7-15 1543 Siskiyou Dorleska summit, W side of Grouse Ridge just below summit 2134 Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  RSA303574  Saponaria officinalis J. R. Shevock 1972-7-26 2228 Siskiyou Along the Klamath River. 518 Comment
  SD112461  Sarcobatus vermiculatus Darley F. Howe 1966-8-27 4310 Siskiyou 2.1 miles east of Highway 97 on Highway 161. 1280 Comment
  UCD101779  Sarcobatus vermiculatus Collector unknown 1950-1 s.n. Siskiyou Siskiyou County. Comment
  LA203910  Saussurea americana Louis Wheeler; 1934-8-14 3146 Siskiyou Siskiyou Mountains, S side White Mountain 1737 Comment
  POM211804  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  JEPS13972 Image available Saxifraga fragarioides C. G. Pringle 1881-8-14 Siskiyou cliffs of Castle Lake; Mountains about headwaters of the Sacramento River; Sacramento River 1828 Comment
  UC722711  Saxifraga mertensiana C. L. Hitchcock, J. S. Martin 1939-7-9 5316 Siskiyou between King's Castle and Black Mountain 1828 Comment
  RSA211114  Saxifragopsis fragarioides William J. Ferlatte 1967-7-25 730 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC722724  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-9 5316 a Siskiyou between King's Castle and Black Mountain 1828 Comment
  CAS-BOT-BC445876  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Wooley Pocket, Klamath Forest 2133 Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  CAS-BOT-BC111098  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1976-10-19 53832 Siskiyou In spring area Jessie St, Mt. Shasta City. 1082 Comment
  UCR70884  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mtns, Yreka Creek 854 Comment
  CDA32674  Scribneria bolanderi J. T. Howell 1980-4-3 Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  RSA181616  Scribneria bolanderi Dorothy Parker 1950-6-4 445 Siskiyou Salmon Mt. range. Alt. 6300 feet. Comment
  CHSC795  Scutellaria antirrhinoides 1936-12-7 Siskiyou Castle Lake. 1981 Comment
  RSA64691  Scutellaria siphocampyloides Albert M. Vollmer, L. Beane 1951-6-2 42 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CDA16164  Secale cereale G. F. Hrusa 1998-5-25 14470 Siskiyou Klamath Ranges; +- 1 mi S of Weed, on frontage Rd. along I-5. Common between road & fence, possibly planted. 0 Comment
  JEPS83984  Sedum divergens L. R. Heckard with J. Hickman et al. 1986-7-17 6521 Siskiyou e Condrey Mt. (Alex Hole, n facing cliffs); e of Condrey Mt., Alex Hole 1960 Comment
  RSA297051  Sedum lanceolatum John F. Emmel 1974-7-22 523 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  RSA0104951  Sedum laxum subsp. laxum John F. Emmel 1974-7-16 512 Siskiyou 0.3 air miles WSW of Cyclone Gap; Siskiyou Mts. 1616 Comment
  CAS-BOT-BC64639  Sedum obtusatum subsp. boreale Robert Theodore Clausen; Harold Trapido 1940-7-26 4952 Siskiyou East side of Mud Creek Canyon, Mt. Shasta. 1706 Comment
  HSC26103  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC64657  Sedum oregonense H. A. Thomas; J. H. Thomas 1954-7-24 4509 Siskiyou Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. 9 mi. E of Cecilville. 1828 Comment
  CAS-BOT-BC59094  Sedum spathulifolium L. B. Kildale 1930-6-1 9733 Siskiyou Salmon River between Oak Bottom and Soames Bar. Comment
  CAS-BOT-BC496370  Selaginella scopulorum Louis C. Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2090 Comment
  HSC91209  Senecio fremontii Jennifer Whipple 1978-10-6 2391 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC363940  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  UC53947  Senecio integerrimus var. major Harley P. Chandler Jun 1901 1606 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  CAS-BOT-BC364427  Senecio triangularis John Thomas Howell 1939-8-8 15150 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC364448  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 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
  HSC19472  Senecio triangularis J. O. Sawyer 1968-7-9 432 Siskiyou W of Little Duck Lake. 1936 Comment
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  HSC73257  Sidalcea malviflora M. A. Baker 1980-6-20 2186 Siskiyou Near Bald Mtn. 1036 Comment
  HSC46145  Sidalcea malviflora subsp. nana J. P. Smith, Steve Selva 1970-7-15 4356 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  JEPS67293  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20061 Siskiyou McCloud 975 Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  RSA518677  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud. 976 Comment
  UC108900  Sidalcea oregana subsp. spicata T. S. Brandegee 1887-7-1 Siskiyou Sisson's Comment
  CDA24102  Silene campanulata G. Deal 1992-6-21 Siskiyou Behind businesses in Etna. 0 Comment
  HSC44703  Silene campanulata subsp. glandulosa J. O. Sawyer, E. Cope 1977-6-18 2901 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  SBBG2016  Silene campanulata subsp. glandulosa H. and M. Dearing 1939-6-3 3530 Siskiyou Spring Flat, Klamath Nat Forest Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet Hancock Lake, high lake basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  RSA48582  Silene campanulata subsp. greenei P. A. Munz 1949-5-18 13306 Siskiyou 4 miles south of Callahan on road to Trinity Center. 1524 Comment
  SEINET182278  Silene douglasii L. C. Wheeler 1935-6-27 3602 Siskiyou Head Etna Creek Marble Mountains. 1798 Comment
  CAS-BOT-BC388956  Silene grayi John Thomas Howell 1937-7-26 13535 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC96163  Silene grayi L. P. Janeway 2006-7-3 8769 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  HSC68047  Silene grayi J. P. Smith, Steve Selva 1970-7-17 4462 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC74921  Silene grayi J. P. Smith, Jennifer Whipple 1978-7-2 9964 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  SD113391  Silene grayi Darley F. Howe 1962-8-6 3404 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  CAS-BOT-BC389421  Silene lemmonii Peter H. Raven 1956-9-5 10447 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC389426  Silene lemmonii Wm. Bridge Cooke 1938-7-1 11126 Siskiyou Mount Shasta. Near Bear Springs Comment
  UC1185943  Silene lemmonii L. E. Detling 1950-6-9 6601 Siskiyou Hwy 99 Black Butte Summit (Hwy 99) (Black Butte Summit) 1188 Comment
  SEINET3155778  Silene menziesii G. D. Butler 1910-6-1 1445 Siskiyou locality illegible Comment
  CDA3895  Sinapis arvensis T. C. Fuller 1958-4-17 4823 Siskiyou 1 mile south of Montague. 0 Comment
  HSC43826  Sisymbrium altissimum Maralyn O'Meara 1974-5-27 481 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC536  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC618732  Sisyrinchium bellum W. Bridge Cooke 1938-7-15 11230 Siskiyou above Bear Spring (Also at Wagon Camp); Mount Shasta 1584 Comment
  CDA39481  Sisyrinchium douglasii T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  SEINET3992515  Smilacina stellata var. sessilifolia Unknown 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  HSC61170  Smilax californica Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC144301  Smilax californica A. A. Heller 1905-6-5 7973 Siskiyou between Shasta Retreat and Shasta Springs Comment
  RSA96931  Smilax californica Percy C. Everett, E. K. Balls 1954-10-12 20273 Siskiyou Along Beaver Creek, N of Walker, 4.8 mi S from Beaver Creek Forest Service. 335 Comment
  HSC30444  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Salmon Mountains, High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area, outlet of Abbott's Lake. 1723 Comment
  HSC42902  Solanum parishii J. O. Sawyer, Ken Stillman 1976-5-29 2730 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  NY821291  Solanum physalifolium A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  POM89973  Solanum physalifolium var. nitidibaccatum L. R. Abrams 1922-8-7 9918 Siskiyou 1 mi S of Weed. Comment
  CAS-BOT-BC157012  Solanum umbelliferum E. I. Applegate 1898-5-15 2137 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  POM208273  Solanum umbelliferum Louis C. Wheeler 1934-7-3 2853 Siskiyou Head of Soda Creek. Sterling Mt. 1768 Comment
  RSA211244  Solanum umbelliferum W. J. Ferlatte 1967-7-9 680 Siskiyou Kidd Creek Trail 1768 Comment
  POM58755  Solidago canadensis subsp. elongata Copeland 1903-8-12 3823 Siskiyou Sisson. Comment
  JEPS32370  Solidago elongata Geo. D. Butler 1908-8-10 308 Siskiyou Oro Fino , Oro Fino (Eastlick's Ranch) Comment
  UCD78006  Solidago elongata Robert E. Preston 2002-7-14 1937 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1877 Comment
  CAS-BOT-BC365249  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  OBI55541  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-24 23566 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  HSC90601  Sorbus californica Jennifer Whipple 1976-7-9 1390 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC520389  Sparganium angustifolium Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  CHSC1987  Sphenosciadium capitellatum V. Holt 1943-8-14 Siskiyou Marble Mountains 1828 Comment
  HSC18901  Spiraea douglasii J. O. Sawyer 1968-7-23 572 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  POM140065  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek. 1220 Comment
  RSA463116  Spiraea douglasii 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
  RSA68956  Spiraea douglasii A. E. Culbertson 1943-8-8 2 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC152559  Spiraea splendens John Thomas Howell 1937-7-29 13671 Siskiyou North side of Scott Mt. Comment
  UC164138  Stachys ajugoides var. rigida Geo. D. Butler 1909-6-29 174 Siskiyou near Yreka Comment
  UC416580  Stachys ajugoides var. rigida H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  HSC2401  Stachys rigida William J. Ferlatte 1966-8-18 414 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's 1524 Comment
  UC642569  Stellaria calycantha unknown 1939-7-27 13746 Siskiyou above Panther Creek Meadows (w boreal spring); Mount Shasta Comment
  CHSC97382  Stellaria longipes var. longipes Jenny Marr 2006-6-18 233 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  UC454236  Stellaria longipes var. longipes I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  UC8681  Stellaria longipes var. longipes C. B. Bradley 1879-1 Siskiyou Comment
  HSC61988  Stenanthium occidentale Ruby Van Deventer 25 Jul [year missing] Siskiyou Rattlesnake Meadow 1524 Comment
  POM210939  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  CAS-BOT-BC375638  Stephanomeria lactucina W. R. Dudley 1899-8-9 s.n. Siskiyou Mesa above Upton, south of Black Butte Comment
  CAS-BOT-BC375668  Stephanomeria paniculata unspecified 1902-9-13 5064 Siskiyou Dunsmuir Comment
  HSC6234  Stephanomeria virgata R. C. Wunner 1965-9-8 511 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC18976  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-20 1568 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  HSC30689  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-13 1352 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  CAS-BOT-BC87865  Streptanthus tortuosus Margaret M. Hanna 1956-6-6 s.n. Siskiyou Glass Mountain. 2316 Comment
  HSC69120  Streptanthus tortuosus Maralyn A. Renner 1980-8-7 2388 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA603096  Streptanthus tortuosus L. C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains 1799 Comment
  CHSC30242  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 A Siskiyou Little Mt. Hoffman, w side. 2225 Comment
  SDSU1282  Streptanthus tortuosus var. orbiculatus D. F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  CAS-BOT-BC516431  Streptopus amplexifolius Doris K. Kildale 1929-7-21 8734 Siskiyou Elk Lick, south Fork Indian Creek Comment
  HSC30443  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Marble Mtn. Wilderness Area, inlet to Hancock Lake 1936 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  HSC60776  Suksdorfia ranunculifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC62451  Swertia albicaulis var. nitida Ruby Van Deventer 27 Jul [year missing] Siskiyou Twin Valley Comment
  CAS-BOT-BC269619  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  JEPS12878  Symphoricarpos albus var. laevigatus Geo. D. Butler 1908-7-3 92 Siskiyou near Yreka (Butler's Ranch) Comment
  HSC18881  Symphoricarpos mollis J. O. Sawyer 1968-9-13 722 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC18890  Symphoricarpos mollis J. O. Sawyer 1968-6-25 334 Siskiyou 1646 Comment
  CHSC34502  Symphyotrichum ascendens J. D. Jokerst 1981-9-8 1473 Siskiyou Along side creek draining Caldwell Lakes. Comment
  CAS-BOT-BC97886  Symphyotrichum eatonii Alice Eastwood 1922-10-18 11513 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97871  Symphyotrichum eatonii Geo. D. Butler 1908-8-11 292 Siskiyou near Oro Fino Comment
  CAS-BOT-BC97874  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  CAS-BOT-BC98956  Symphyotrichum foliaceum var. parryi Saxton; Canfield 1922-8-21 63 Siskiyou Poker Flat - Klamath Forest Comment
  CAS-BOT-BC98434  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9025 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC98439  Symphyotrichum spathulatum C. Edward Graves 1944-8-1 s.n. Siskiyou Mt. Shasta Comment
  UC75826  Symphyotrichum spathulatum Milo S. Baker 1898-8-22 Siskiyou Bear Valley Mts. along stream Bear Valley Mts. Comment
  JEPS72982  Taeniatherum caput-medusae W. L. Jepson 1940-6-22 19965 Siskiyou near Hilt (Hilt to Hawkinsville); Quarantine Station 914 Comment
  UCD86093  Taeniatherum caput-medusae A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3426 Siskiyou 3 miles north of Yreka. Comment
  SEINET3194866 Image available Taeniatherum caput-medusae Rimo Bacigalupi, S. Galen Smith 1957-1 5938 Siskiyou About 2 1/2 miles northwest of Weed, close to U.S. Highway 99. 1010 Comment
  HSC43425  Taraxacum officinale Maralyn O'Meara 1974-5-26 451 Siskiyou Chandler Glade on F.S. road 47N03 Comment
  NY17617  Taxus brevifolia W. R. Dudley 1901-8-20 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA184727  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  UC165954  Thalictrum fendleri Geo. D. Butler 1908-8-9 359 Siskiyou near Shackelford divide; Wooly Creek Comment
  JEPS80527  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 M Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  JEPS80528  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 F Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC399880  Thalictrum polycarpum G. Muth 1966-7-17 408 Siskiyou Marble Valley Comment
  HSC90989  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1240 Siskiyou Slope on E shore of Durney Lake 2073 Comment
  SJSU6502  Thermopsis macrophylla R. W. Trivelpiece 1972-6-18 126 Siskiyou 3 mi W of Klamath R, c. 12 mi SW of Happy Camp 944 Comment
  CHSC96601  Thlaspi montanum var. montanum L. P. Janeway 2006-7-2 8732 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  JEPS81878  Thlaspi montanum var. montanum Roger Raiche 1982-7-3 20525 Siskiyou ne slope Mt. Eddy (Mt. Eddy); nw slope Mt. Eddy 1981 Comment
  CAS-BOT-BC66796  Thysanocarpus curvipes Alice Eastwood 1923-5-29 11990 Siskiyou Shasta Springs. Comment
  HSC36872  Thysanocarpus curvipes J. P. Smith 1974-5-25 7517 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA605353  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  HSC73319  Tolmiea diplomenziesii Gail Newton 1980-6-20 500 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC88389  Tragopogon dubius Jenny Marr 1993-7-1 148 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS25581  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  RSA474741  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between CA State line and the Agricultural Inspection Station. Comment
  CAS-BOT-BC377155  Tragopogon porrifolius L. B. Kildale 1930-5-31 9815 Siskiyou Island in Klamath River near Hornbrook Comment
  CHSC30093  Triantha occidentalis subsp. occidentalis M. S. Taylor 1980-7-22 3173 Siskiyou Ca. 0.1 mi sw of Big Carmen Lake, on s side of 40N08, ca. 2.3 mi ne of its jct with Hwy 3 at Scott Mt. Summitt. 1737 Comment
  CDA40990  Trichostema lanceolatum F. D. Horn 1977-10-4 s.n. Siskiyou Bogus Area east of Hornbrook. 0 Comment
  HSC68304  Trientalis latifolia Maralyn A. Renner 1980-7-4 1422 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  POM28721  Trifolium cyathiferum Edward Palmer 1892-7-13 2475 Siskiyou Mount Shasta and vicinity Comment
  RSA293201  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  RSA78688  Trifolium eriocephalum Philip A. Munz 1952-7-2 17883 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  HSC61931  Trifolium howellii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS48898  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou below Log Lake (canyon, Shackleford Creek) Comment
  POM349628  Trifolium howellii J. O. Sawyer, K. Stillman 1976-7-1 2782 Siskiyou Along the Little North Fork of the Salmon River 732 Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  HSC49915  Trifolium longipes Maralyn O'Meara 1974-5-25 409 Siskiyou On Rd. 8, 4.7 mi W of junction with Hwy. 3 1159 Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  JEPS125882  Trifolium longipes subsp. elmeri Dean W. Taylor 1996-7-26 15841 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  UC968630  Trifolium longipes var. elmeri C. L. Hitchcock and J. S. Martin 1939-7-7 5275 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  UC1409230  Trifolium longipes var. hansenii Frederick W. Oettinger 1968-8-17 553 Siskiyou nne Pine Lake (vicinity of English Peak); salmon Mtns, Marble Mtn Wilderness Area 1950 Comment
  POM20470  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou Yreka. Comment
  CAS-BOT-BC133471  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mt. northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC18873  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 513 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC18874  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-6-18 185 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC19419  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 482 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC60803  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-25 240 Siskiyou Tributary to N Russian Creek, 1/2 mi. S of Etna Summit on rd. from Sawyer's Bar to Etna 1707 Comment
  RSA234820  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 962 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1299348  Trillium ovatum subsp. oettingeri Freed W. Hoffman 1950-7-13 3638 Siskiyou S. Fork Indian Creek Rd. to Baldy Mt. (1.1 mi. before reaching Lookout) Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  HSC30531  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou Salmon Mtns., Salamander Pond near Abbott Lake. 1677 Comment
  RSA238355  Trisetum canescens Frederick W. Oettinger 1969-8-4 1158 Siskiyou Halfway Spring, trail from English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC49899  Triteleia crocea Maralyn O'Meara 1974-5-25 434 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC15048  Triteleia crocea Harley P. Chandler June, 1901 1695 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 2133 Comment
  HSC58903  Triteleia hyacinthina Marvin Butler 1971-7-21 188 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  CAS-BOT-BC522339  Triteleia hyacinthina Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  RSA666433  Triteleia hyacinthina Barbara Ertter 1990-7-15 9369 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  UC635730  Triteleia ixioides subsp. anilina D. Tebbe 1929-6-7 143 Siskiyou Mt. Eddy Comment
  RSA378074  Triteleia ixioides subsp. anilina A. Sandig 1917-05 s.n. Siskiyou Mt. Shasta region [possibly also Shasta Co.] Comment
  HSC44629  Tsuga mertensiana Jerome Peterson 1978-5-20 17 Siskiyou Haypress Meadow, Bulk Collection 130 Comment
  HSC69238  Tsuga mertensiana Maralyn A. Renner 1980-9-1 2707 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC718126  Tsuga mertensiana Carl B. Wolf 1934-7-5 5970 Siskiyou 2.8 mi from Dry Lake Lookout (on road to Horse Creek); Siskiyou Mts. Comment
  CAS-BOT-BC80260  Tsuga mertensiana subsp. grandicona Gilbert Muth 1966-7-29 131 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  JEPS40107  Umbellularia californica Wm. C. Cusick 1902-7-31 2932 Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  JEPS93955  Urtica dioica subsp. holosericea Vernon H. Oswald and Lowell Ahart 1998-9-16 9639 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Highway 161 1243 Comment
  UC5982 Image available Urtica dioica subsp. holosericea Edward L. Greene 1870-8-25 1028 Siskiyou near Etna Comment
  CDA42169  Utricularia vulgaris P. Zedeker 1964-7-28 s.n. Siskiyou Orr Lake, northwest of Bray. 0 Comment
  RSA238861  Vaccinium Frederick W. Oettinger 1969-07 14 Siskiyou Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC199183  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson's Lake, Salmon Mts. Comment
  HSC19108  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1653 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC19529  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1627 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  HSC7936  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou Near Paradise Lake, Salmon Mtn. 1982 Comment
  UC22196  Vaccinium membranaceum Harley P. Chandler Jun 1901 1577 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SD230222  Vaccinium parvifolium Louis C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC199482  Vaccinium scoparium Doris K. Kildale 1928-8-19 6552 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC199484  Vaccinium scoparium John Thomas Howell 1939-8-6 15109 Siskiyou Elk Mt., Marble Mts. Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC199794  Vahlodea atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area. Trail from Jump off to Paradise Lake Comment
  HSC69168  Veratrum californicum var. californicum Maralyn A. Renner 1980-8-6 2325 Siskiyou Cracker Meadow 1555 Comment
  HSC34260  Veratrum viride J. P. Smith, J. O. Sawyer 1973-8-14 7310 Siskiyou Around Cliff Lake 1860 Comment
  RSA50160  Verbascum blattaria E. K. Balls 1949-7-10 13952 Siskiyou Eddy's Gulch, 2 miles from Sawyer's Bar on road to Cecilville. 762 Comment
  UC984825  Verbascum blattaria A. M. Vollmer and L. Beane 1951-6-2 48 Siskiyou Klamath River Highway betw U.S. 99 and Gottville; Klamath River Highway Comment
  UC1045319  Verbena bracteata W. Bridge Cooke 1940-7-26 15356 Siskiyou near Black Butte; Pacific Highway Comment
  HSC97143  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 Siskiyou Depression near dirt road, 80 yds. N of pump house along the Shasta River, 1.9 mi. S of Hwy. 99/97 Cutoff, 6 mi. ESE of Grenada 777 Comment
  CDA42020  Veronica peregrina var. xalapensis L. Ahart 2005-6-1 12059 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  HSC44973  Veronica serpyllifolia subsp. humifusa J. O. Sawyer 1978-6-20 3266 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC43379  Vicia americana var. americana Maralyn O'Meara 1974-5-26 456 Siskiyou Along USFS Rd. 47N03 1524 Comment
  HSC71462  Vicia americana var. americana J. P. Smith 1973-5-5 6383 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC618756  Vicia americana var. americana unknown 1938-6-24 11072 Siskiyou MacBridge Springs; Mount Shasta Comment
  UC796616  Vicia americana var. americana Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11733 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  NY50659  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UC1733827  Viola Frank Gould, Kay Beach 1940-5-15 1240 Siskiyou Between Mt. Hebron and Montague Lower Bull Meadows Comment
  CAS-BOT-BC264065  Viola adunca A. A. Heller 1915-7-15 12086 Siskiyou Mount Eddy 2072 Comment
  CAS-BOT-BC270235  Viola adunca W. B. C. 1940-6-6 15041 Siskiyou Along a creek near the Castle Lake Road Comment
  RSA402172  Viola adunca Christopher Davidson 1975-6-5 2674 Siskiyou Ca 2 mi from gate on special service road branching SE of rd from Gazelle to Callahan,ca 9.3 mi W of Gazelle. 1593 Comment