Search Results — 2000 specimen records retrieved (1368 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SISKIYOU; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73508  Abies concolor Doris K. Kildale 1929-4-27 7481 Siskiyou Cecilville Comment
  CHSC27314  Abies concolor T. B. Devine 1976-10-23 362 Siskiyou Little Duck Lake. 1950 Comment
  RSA184700  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  HSC41957  Abies magnifica Sue Sweet 1977-5-21 66 Siskiyou Off Road 8 on the Sugar Creek Trail along Sugar Creek 1585 Comment
  HSC69242  Abies magnifica Maralyn A. Renner 1980-9-1 2701 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS5100  Abies magnifica var. shastensis W. L. Jepson Jul 17 1902-Jul 22 1902 2079 Siskiyou Salmon Forks Trail western Siskiyou 2286 Comment
  RSA0091809  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11332 Siskiyou Mount Shasta, near Panther Meadows. 2835 Comment
  UCR30522  Abies magnifica var. shastensis John C. Roos 1948-9-1 s.n. Siskiyou high ridge SW of Etna Comment
  JEPS84283  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
  CAS-BOT-BC330619  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou Sisson Comment
  CAS-BOT-BC331044  Acer glabrum var. glabrum L. R. Short 1933-8-6 75400 Siskiyou Klamath Forest 1920 Comment
  CAS-BOT-BC330990  Acer glabrum var. glabrum Elmer I. Applegate 1923-9-7 3969 Siskiyou Siskiyou Mountains, Klamath River Watershed. Comment
  HSC65098  Acer macrophyllum J. P. Smith 1973-5-5 6446 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC30438  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC890994  Achillea millefolium unknown 1915-8-26 Siskiyou Mt. Eddy 1828 Comment
  HSC69569  Achlys triphylla Maralyn A. Renner 1980-8-6 2268 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC1409393  Achlys triphylla subsp. triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou near gap between Tom's Lake Basin and Tobacco Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  UC593526  Achnatherum lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1947 Siskiyou 8 mi s Yreka 822 Comment
  UCD50622  Achnatherum lemmonii Robert E. Preston 2002-6-20 1829 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  JEPS104958  Achnatherum nelsonii subsp. dorei Dean W. Taylor 1996-6-28 15760 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  SEINET7593425 Image available Achnatherum occidentale A. S. Hitchcock 1934-1 12390 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA238977  Achnatherum occidentale subsp. californicum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1156 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
  CDA18406  Achnatherum occidentale subsp. pubescens G. D. Barbe, P. Hiatt & M. Keffer 1980-6-5 2809 Siskiyou Cascade Range; Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  UCD51189  Achnatherum occidentale subsp. pubescens P. B. Dickey 1940-5-26 943 Siskiyou South of Dwinnell Lake. Comment
  RSA17730  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Bed National Monument Comment
  RSA603843  Achnatherum thurberianum L. C. Wheeler 1935-5-7 3470 Siskiyou Klamath River at Ash Creek. 610 Comment
  RSA416308  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  CAS-BOT-BC391528  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-8-18 6460 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC391538  Aconitum columbianum subsp. columbianum Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  CAS-BOT-BC391524  Aconitum columbianum subsp. columbianum H. E. Brown 1897-6-15 514 Siskiyou On the North side of Mt. Shasta 2743 Comment
  HSC17995  Aconitum columbianum subsp. columbianum Dorothy Parker 1949-8-3 355 Siskiyou Edges of Paradise Lake, Salmon Mtn. 1982 Comment
  HSC69335  Aconitum columbianum subsp. columbianum John Palmer 1980-8-13 771 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC412919  Aconogonon davisiae Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  CAS-BOT-BC391709  Actaea rubra Donald Myrick 1961-6-20 290 Siskiyou Area at Bear Springs on south slope of Mt. Shasta Comment
  SEINET5718353 Image available Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-1 3719 Siskiyou Ca. 0.25 mile down the trail (north of) from the lake, to a lesser extent on open slopes, Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  JEPS33918  Adenocaulon bicolor Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson; Upper Sacramento Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  SEINET3153138  Adiantum aleuticum G. B. Grant 25 Siskiyou Shasta Springs, No. Cent. Cal. Comment
  UCD137057  Adiantum aleuticum B. Crampton 1956-8-21 3836 Siskiyou White Ridge, canyon of the South Fork of the Sacramento River. 1371 Comment
  CDA36800  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. 0 Comment
  CAS-BOT-BC29451  Ageratina occidentalis Alice Eastwood 1912-8-30 1972 Siskiyou Mount Eddy Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  UC1212567  Ageratina occidentalis Francia Chisaki and Helen K. Sharsmith 1959-8-20 4743 Siskiyou between Forks of Salmon and Somes Bar (several miles from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  UCSB7930  Ageratina occidentalis Hardham, Clare 1965-8-20 Siskiyou Near the Cudahy Lakes; on the Granite Trail; Marble Mountains 1524 Comment
  UC163886  Agoseris X dasycarpa Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest, foothills of Goosenest 1524 Comment
  HSC29261  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Marble Mountain Wilderness area; midway between Tom Taylor Cabin and English Peak Lookout 1997 Comment
  RSA211195  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou Wooded slope on the north side of Caribou Mtn. 1921 Comment
  JEPS97916  Agoseris aurantiaca var. aurantiaca R. Raiche, H. Forbes, K Zadnik 1989-4-10 61 Siskiyou W of Weed, 5.4 km. on Parks Creek Rd. toward Mt. Eddy from Stewart Springs Rd. 1506 Comment
  UC609358  Agoseris aurantiaca var. aurantiaca Eleanor Burks Hart 1938-8-21 Siskiyou Upper Wright Lake Upper Wright Lake 2225 Comment
  JEPS109708  Agoseris glauca var. glauca Dean W. Taylor 2002-7-20 18258 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  CAS-BOT-BC22782  Agoseris heterophylla Roxana S. Ferris; Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mountain Grade, road between Gazelle and Callahan 1499 Comment
  UC61075  Agoseris heterophylla W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  UCD77306  Agoseris heterophylla Robert E. Preston 2002-6-20 1850 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  CAS-BOT-BC13187  Agoseris monticola Alice Eastwood 1921-7-28 10922 Siskiyou Medicine Lake Comment
  HSC46233  Agoseris retrorsa Jennifer Whipple 1978-6-5 2345 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SEINET5335956  Agrostis alba B. Cooke 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp Transition Zone 1737 Comment
  UC65107  Agrostis capillaris E. Palmer 1892-1 2659 Siskiyou near Mt. Shasta Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  JEPS83986  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  CAS-BOT-BC138943  Agrostis pallens Doris K. Kildale 1928-7-25 5914 Siskiyou Klamath River - Mack's Creek near Hamburg. Comment
  RSA239064  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCD53399  Agrostis scabra R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  UCD53609  Agrostis stolonifera Mr. Roseman 1913-1 1 Siskiyou Butte Valley Comment
  RSA384933  Agrostis variabilis M. B. Dunkle 9317 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  UCD53731  Agrostis variabilis L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-eye. Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CHSC75650  Allium falcifolium Vernon H. Oswald; Kenneth Beatty 1999-6-27 9792 Siskiyou Little Shasta Valley ca. 11 air mi north of Grass Lake, ca. 9 air mi southwest of Meiss lake. 1828 Comment
  SEINET10839450  Allium falcifolium Mary Susan Taylor 1980-7-8 Taylor 3111 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  SEINET10899662  Allium falcifolium Worley 1985-6-1 WORLEY 85 Siskiyou Shast-trinity national forest. Scott mountain, t40n,r7w,sec.33 h.m. Esposed Slope and summit 1829 Comment
  UCR11966  Allium obtusum var. obtusum William B. Cooke 1941-8-28 16249 Siskiyou Mt. Shasta, along Squaw Valley Creek 2800 Comment
Read comments
May 7 2014
  CAS-BOT-BC132143  Allium siskiyouense Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mts. 1737 Comment
  CAS-BOT-BC132146  Allium siskiyouense Harley P. Chandler 1901-6-1 1647 Siskiyou Marble Mountain 2438 Comment
  RSA237370  Allium siskiyouense Frederick W. Oettinger 1967-6-24 112 Siskiyou Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1299631  Allium siskiyouense Freed W. Hoffman 1951-7-12 3793 Siskiyou Packers Valley above Hammonds Camp; Marble Mountains, Packers Valley 2072 Comment
  HSC25682  Allium validum J. O. Sawyer 1969-8-5 1758 Siskiyou W of Little Duck Lake 2073 Comment
  HSC69158  Allium validum Maralyn A. Renner 1980-8-4 2210 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC478028  Allium validum Geo. D. Butler 1908-8-3 109 Siskiyou Log Lake Shackleford Creek Comment
  CAS-BOT-BC478034  Allium validum A C Hoofer 1926-10-12 11 Siskiyou Preston Peak District 1828 Comment
  UC1220372  Allotropa virgata H. G. Baker 1963-7-4 4435 Siskiyou Idylwild Campground about 6 miles east of Sawyer's Bar Comment
  CAS-BOT-BC171402  Alnus incana subsp. tenuifolia Elmer I. Applegate 1923-9-7 3972 Siskiyou Doggett Ridge, near head of Doggett Creek, S slope of the Siskiyou Mountains 1524 Comment
  JEPS123400  Alnus incana subsp. tenuifolia Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -131 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC169636  Alnus rhombifolia Alice Eastwood 1921-7-30 11010 Siskiyou Shasta Springs, along river Comment
  RSA452797  Alnus rhombifolia E. E. Stanford 1930-6-15 1585 Siskiyou 1 mile north of Dunsmuir. Comment
  HSC62447  Alnus viridis subsp. sinuata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  UC141954  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC138101  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Klamath Forest. Cottonwood Creek. 838 Comment
  CDA1713  Alopecurus pratensis William J. Ferlatte 1988-5-26 Siskiyou Larry Moran property, French Creek Road, Etna. 0 Comment
  CAS-BOT-BC18597  Alyssum alyssoides A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3400 Siskiyou 5 miles west of Gazelle. Canyon north of Willow Creek. Comment
  CHSC27776  Alyssum desertorum William F. Frank 1978-4-1 1 Siskiyou Foothills facing lake. Ca. 3 miles in to end of public access road at s Lake Shastina. 914 Comment
  UCD20184  Alyssum desertorum 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
  HSC2904  Amaranthus blitoides D. M. Thomson 1965-7-21 158 Siskiyou Lava Beds National Monument, Telephone Line Rd., 0.5 mi. S of dump Comment
  HSC26758  Amaranthus californicus J. P. Smith, J. O. Sawyer 1971-9-18 4822 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS95323  Ambrosia artemisiifolia Vernon H. Oswald and L. Ahart 1994-8-10 6448 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  HSC46170  Ambrosia artemisiifolia Jennifer Whipple 1978-8-22 2446 Siskiyou Scott Valley along the Island Road 793 Comment
  HSC41460  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1973-5-5 6554 Siskiyou Scott Bar along the Scott River Comment
  HSC44953  Amelanchier pallida J. O. Sawyer 1978-6-15 3210 Siskiyou Marble Mtn. Wilderness Area, ridge NE of Cash Lake on Stanshaw-Sandy Ridge Trail 1793 Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  CAS-BOT-BC136895  Amelanchier utahensis D. E. Breedlove 1962-6-11 3363 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UC1034591  Amsinckia lycopsoides Douglas Barbe 1955-7-1 71 Siskiyou 0.6 mi e Etna (on s side of the road); Klamath Mountains 853 Comment
  CAS-BOT-BC45213  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  JEPS21784  Anaphalis margaritacea unknown Siskiyou Comment
Read comments
Jul 22 2010
  JEPS80570  Anemone deltoidea Gilbert Muth 1965-8-3 160 Siskiyou pothole in marble, Marble Mt Wilderness Area Marble Mt Wilderness Area 1792 Comment
  UC165941  Anemone deltoidea Geo. D. Butler 1908-8-9 354 Siskiyou Marble Valley Comment
  CAS-BOT-BC391792  Anemone deltoidea Clarence R. Quick 1959-6-19 59 -20 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  RSA760538  Anemone deltoidea Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63362 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  JEPS82703  Anemone drummondii Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs; Cabin Meadow 1935 Comment
  CHSC91352  Anemopsis californica Lowell Ahart; John Dittes 2005-6-9 12024 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC76747  Angelica arguta K. T. Stillman 1976-7-15 259 Siskiyou Marble Mountain Wilderness Area. 1951 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
  UC1167722  Angelica arguta Peter H. Raven 1956-9-4 10376 Siskiyou s of Mount Eddy 2286 Comment
  UC1356635  Angelica arguta J. F. Emmel 1968-7-22 90 Siskiyou Trinity Alps, Caribou Lake Caribou Lake; Trinity Alps, Caribou Lake 2103 Comment
  CAS-BOT-BC221415  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  JEPS19765  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  RSA416678  Antennaria argentea M. B. Dunkle 1944-7-7 9089 Siskiyou Deer Creek. 1768 Comment
  RSA48004  Antennaria dimorpha Roxana S. Ferris, Laura Lorraine 1948-6-12 11831 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CHSC30243  Antennaria geyeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 Siskiyou Little Mt. Hoffman, W side, between road and lookout. 2225 Comment
  JEPS13375  Antennaria geyeri Duncan Dunning 1921-7-16 Siskiyou nw of Hambone; Toad Mountain Comment
  HSC27477  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-28 5372 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC21992  Antennaria media J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC79904  Antennaria microphylla Douglas Barbe 1955-8-1 327 Siskiyou Summit of Mt. Bolivar, Scott Mts. 2468 Comment
  UC1409467  Antennaria racemosa Frederick W. Oettinger 1968-9-1 654 Siskiyou above, vicinity of English Peak Abbott's Lake Basin; The Salmon Mountains, Marble Mountain Wilderness Area, Engli 1981 Comment
  JEPS83421  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-1 362 Siskiyou 1.9 mi from Quartz Valley Rd. (not East Q.V.R) jct. with Scott River Rd. (down Quartz Valley Rd, e side of road, 1.0 mi from bridge over Mill Creek); Fort Jones Quad. (15', 1955) 853 Comment
  HSC3211  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou Butler Ranch, near Yreka. Comment
  UC164102  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbry Creek Comment
  RSA68918  Apocynum androsaemifolium subsp. pumilum A. E. Culbertson 1943-8-1 40 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  CAS-BOT-BC395148  Aquilegia formosa Alice Eastwood 1912-7-16 1128 Siskiyou McCloud Comment
  JEPS55089  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Mountain Comment
  UCD95560  Aquilegia formosa J. M. Tucker; D. V. Hemphill 1974-7-26 4288 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CAS-BOT-BC397947  Aquilegia formosa Gilbert Muth 1965-8-5 s.n. Siskiyou Stream behind Blk. Mt. Comment
  HSC22425  Aquilegia formosa var. formosa J. O. Sawyer 1969-7-16 1153 Siskiyou W of Waterdog Lake 2073 Comment
  CHSC1431  Aquilegia formosa var. truncata K. Jaekel 1939-6-30 Siskiyou Mt. Shasta 1219 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC29179  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Hancock Lake 1936 Comment
  HSC90564  Arabis divaricarpa Jennifer Whipple 1977-7-22 2045 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC57403  Arabis drummondii G. L. Clifton, Griswold 1979-7-26 10155 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA0125767  Arabis glabra Frederick W. Oettinger, R. F. Thorne 1969-8-9 1309 Siskiyou Abbott s Upper Cabin. Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  RSA0125827  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 miles S of Etna at junction of Parrot Mill Road and French Creek Road. 945 Comment
  RSA0125828  Arabis glabra R. F. Thorne 1969-8-2 63331 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  HSC76766  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 379 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  POM94625  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  RSA237238  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou SW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC673130  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2915 Siskiyou 10 mi sw Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  CAS-BOT-BC17367  Arabis oregana Lincoln Constance; Reed Clark Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 609 Comment
  HSC90274  Arabis oregana D. L. Goforth 1980-6-27 645 Siskiyou Scott River, S of Deep Creek 732 Comment
  POM266029  Arabis oregana Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  RSA0129717  Arabis platysperma var. howellii R. F. Thorne, Frederick W. Oettinger 1969-8-10 38991 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA0129718  Arabis platysperma var. platysperma Gilbert Muth 1969-8-10 1336 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  HSC76885  Arabis puberula K. T. Stillman 1976-6-27 145 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  RSA60657  Arabis puberula I. L. Wiggins 1950-5-28 12376 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  HSC82564  Arabis subpinnatifida Thomas W. Nelson, Jane P. Nelson 1979-5-26 4724 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC46182  Arabis subpinnatifida Jennifer Whipple 1977-4-29 1867 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC238  Arabis suffrutescens William J. Ferlatte 1967-7-6 609 Siskiyou Dorleska summit. 2134 Comment
  HSC67800  Arabis suffrutescens J. O. Sawyer, J. Cole 1980-7-22 3989 Siskiyou Little Horse Peak 1720 Comment
  SBBG5139  Aralia californica H. and M. Dearing 1939-6-19 3686 Siskiyou French Crk 731 Comment
  CAS-BOT-BC171027  Aralia californica Doris K. Kildale 1925-9-6 1299 Siskiyou Rodger Creek bridge, Klamath River Comment
  HSC67761  Arbutus menziesii John Palmer 1980-8-15 961 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  SEINET2471280  Arceuthobium abietinum R. L. Mathiasen 2007-8-9 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  SEINET2471293  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -46 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  UC1037436  Arceuthobium campylopodum Douglas Barbe 1955-7-29 314 Siskiyou 3/4 mi e Scott Mtn Rd (on private rd to Big Carmen Lake); Scott Mtns 1706 Comment
  SEINET8530038  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -42 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  CAS-BOT-BC102215  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Klamath National Forest. Dutch Creek 701 Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC40025  Arctostaphylos nevadensis Mrs. H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, above Metcalf ranch house, N. of Shasta City about 8 miles. 1249 Comment
  CAS-BOT-BC45442  Arctostaphylos nevadensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. A dammed lake. 1828 Comment
  JEPS82684  Arctostaphylos nevadensis Wayne Roderick 1984-6-5 Siskiyou above Castle Lake (ca. 12 air km sw of Mt. Shasta City) 1981 Comment
  UC876445  Arctostaphylos nevadensis Geo. L. Fisher 1920-6-28 60 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC46467  Arctostaphylos patula Alice Eastwood 1912-9-1 s.n. Siskiyou Sisson. Comment
  CAS-BOT-BC46496  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  HSC67779  Arctostaphylos patula J. O. Sawyer, J. Cole 1980-7-21 3864 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC7702  Arctostaphylos patula D. M. Thomson 1965-8-14 190 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC91294  Arctostaphylos patula Jennifer Whipple 1976-7-1 1223 Siskiyou Wagon Creek drainage on E face of Mount Eddy 2226 Comment
  JEPS20041  Arctostaphylos patula George D. Butler 1909-3-28 586 Siskiyou hill w Yreka Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  JEPS38840  Arctostaphylos patula W. L. Jepson 1914-8-14 6163 Siskiyou Dunsmuir 670 Comment
  RSA138579  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou Just above the trail marker to Diamond and Hancock Lakes from English Lake area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 183 Comment
  UC1483494  Arctostaphylos patula J. Sawyer and J. Cole 1980-7-21 3906 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  CAS-BOT-BC47021  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1945-6-22 45162 Siskiyou Walker, Klamath River. 533 Comment
  UC166124  Arenaria congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest foothills Comment
  JEPS51409  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake 1371 Comment
  SD113379  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 4868 Siskiyou Sanger Peak Road;Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  UC726140  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake 1561 Comment
  UC166179  Arnica cordifolia Geo. D. Butler 1909-4-14 643 Siskiyou Humbug road Comment
  UC34177  Arnica cordifolia Harley P. Chandler 1901-6-1 1615 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  CAS-BOT-BC295874  Arnica dealbata J. O. Sawyer; R. J. Cole 1980-7-21 3823 Siskiyou .2 miles east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  HSC73221  Arnica discoidea Gail Newton 1980-6-20 505 Siskiyou Near Bald Mtn. 1097 Comment
  HSC60833  Arnica discoidea Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Young's Valley; 1 mile south of Bell Echo 1372 Comment
  HSC22143  Arnica latifolia J. O. Sawyer 1969-7-18 1367 Siskiyou E of Waterdog Lake 2012 Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  UC1072716  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (above se shore) Klamath Mountains, Salmon Mountains 1950 Comment
  JEPS80517  Arnica nevadensis Gilbert Muth 1966-7-19 431 Siskiyou Lookout Trail Marble Mt. Wilderness Area 1828 Comment
  JEPS82425  Arnica ovata Gilbert Muth 1966-7-31 476 Siskiyou Black Mt. (n side of) Black Mt., Marble Mt. Wilderness Area 2057 Comment
  JEPS80515  Artemisia borealis subsp. borealis Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim Marble Mountain Wilderness Area 2194 Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  POM67289  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  UC1755271  Asarum caudatum D. W. Taylor 2004-6-10 19094 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  HSC28657  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Marble Mtns. Wilderness Area, along Pine Lake outlet stream 1829 Comment
  RSA416099  Asarum hartwegii Anonymous 1907-1 s.n. Siskiyou Near Dunsmuir Comment
  JEPS8487  Asarum marmoratum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriquez, and S. Carlquist 1951-6-16 3447 Siskiyou Poker Flat, near summit of Takilma - Happy Camp road over Siskiyou County line 1630 Comment
  UC878962  Asclepias cordifolia A. A. Heller 1916-6-23 12420 Siskiyou n Sisson (near Black Butte) 1127 Comment
  SEINET6833731  Asclepias cordifolia G. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  CDA15398  Asclepias speciosa G. F. Hrusa 1997-9-18 14109 Siskiyou Shasta Valley. 1 mi. S of Gazelle on Old Hwy. 99. Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  HSC19423  Aspidotis densa J. O. Sawyer 1968-7-23 618 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  HSC69164  Aspidotis densa Maralyn A. Renner 1980-8-8 2468 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  POM210963  Aspidotis densa L. C. Wheeler 1934-8-26 3224 Siskiyou Trapper Creek, Siskiyou Mountains 1982 Comment
  CDA42728  Aspidotis densa D. Janssen & F. D. Horn 1978-6-5 s.n. Siskiyou Summit of Indian Creek to O Brien Road, near Happy Camp. 0 Comment
  UCD137313  Aspidotis densa Dorothy Tebbe 1929-6-7 142 Siskiyou Mt. Eddy. Comment
  RSA238765  Aster radulinus Frederick W. Oettinger 1969-8-29 1563 Siskiyou Above 'Willow Springs' between Abbotts Upper Calvin and English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD105521  Astragalus Geo. W. King 1926-4-25 s.n. Siskiyou Montague, thru Mt. Elwood. Comment
  POM16255  Astragalus accidens var. hendersonii E. B. Copeland 1903-7-6 3512 Siskiyou Hornbrook. Comment
Read comments
Jan 23 2011
  HSC71337  Astragalus californicus J. P. Smith 1976-5-21 8771 Siskiyou F.S. Rd. 40N08, 10.8 mi. from its junction with S.R. 3. 1280 Comment
  POM24211  Astragalus californicus Geo. D. Butler 1910-5-4 1284 Siskiyou Hamburg Mountain 1067 Comment
  RSA111078  Astragalus filipes R. C. Barneby 1954-5-15 11503 Siskiyou 2.5 miles n. of Gazelle. 838 Comment
  UC1731130  Astragalus inversus Dean Wm. Taylor with Glenn L. Clifton, Rexford E. Palmer, Roy Buck 1987-6-24 9049 Siskiyou vicinity of Mud Well, McCloud River headwaters 1402 Comment
  HSC101156  Astragalus purshii var. lectulus Dana York 2011-8-12 3050 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  CAS-BOT-BC193068  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  HSC100275  Astragalus whitneyi J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13073 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  JEPS81879  Astragalus whitneyi Roger Raiche 1982-7-4 20531 Siskiyou Mt. Eddy Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  CDA26766  Astragalus whitneyi var. siskiyouensis Don Shaw 1977-5-13 Siskiyou Orr Ranch, Yreka. 0 Comment
  RSA94036  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  UCD105505  Astragalus whitneyi var. siskiyouensis Bill Howard 1957-7-24 57 V Siskiyou Head of Middle Fork Sacramento River (south of Mt. Eddy). 1981 Comment
  UCD78115  Athyrium alpestre var. americanum Robert E. Preston 2002-7-14 1935 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  RSA333467  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4070 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek. Comment
  UCD78116  Athyrium filix-femina var. californicum Robert E. Preston 2001-6-30 1630 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  CAS-BOT-BC66202  Athyrium filix-femina var. cyclosorum H. E. Brown 1897-7-15 s.n. Siskiyou South side Mt. Shasta 3048 Comment
  CAS-BOT-BC66199  Athyrium filix-femina var. cyclosorum Louis C. Wheeler 1934-8-10 3094 Siskiyou Jaynes Canyon, Siskiyou Mts. 1371 Comment
  CDA23336  Atriplex triangularis R. Pederson, G. Pederson 1979-9-26 112 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  UC166161  Balsamorhiza Geo. D. Butler 1910-5-10 1337 Siskiyou Shasta Valley Comment
  CAS-BOT-BC106542  Balsamorhiza deltoidea Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42693 Siskiyou Roadside turnoff, 1 mi. w. of Bolam road, along SR-97, Mt. Shasta 1158 Comment
  HSC36816  Balsamorhiza deltoidea J. P. Smith 1974-5-27 7617 Siskiyou Along FS Rd. 47N03 1280 Comment
  OBI55453  Balsamorhiza deltoidea David J. Keil 1992-7-20 23510 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  CDA16165  Balsamorhiza lanata G. F. Hrusa 1998-5-25 14472 Siskiyou Klamath Ranges; at +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 0 Comment
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  CAS-BOT-BC400049  Berberis Doris K. Kildale 1928-7-25 5908 Siskiyou Klamath River - Mack's Creek near Hamburg Comment
  HSC58852  Berberis aquifolium var. aquifolium Marvin Butler 1971-7-11 93 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC69429  Berberis aquifolium var. repens John Palmer 1980-7-23 569 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC77494  Berberis aquifolium var. repens L. P. Janeway, J. L. Ramstedt 1983-7-9 395 Siskiyou E of Preston Peak 1402 Comment
  CAS-BOT-BC75934  Berberis piperiana Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  UC1001148  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou Low hillsides on Quartz Valley (Mill Creek) 883 Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  CHSC63503  Betula occidentalis Vernon H. Oswald; Lowell Ahart 1994-8-1 6443 Siskiyou Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed. 1706 Comment
  CAS-BOT-BC102064  Bidens frondosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC413074  Bistorta bistortoides D. E. Breedlove 1962-6-11 3370 Siskiyou Along State Hwy. 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  CAS-BOT-BC127943  Blepharipappus scaber W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Mt. Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  POM208286  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  CAS-BOT-BC15793  Boechera acutina John Thomas Howell 1939-8-9 15193 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  UC673146  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2910 Siskiyou 2 mi nw Scott Bar; Klamath-Siskiyou Region, Scott River 487 Comment
  JEPS53051  Boechera breweri subsp. breweri Geo. D. Butler 1909-7-15 892 Siskiyou Highland Mine Comment
  JEPS82521  Boechera lyallii Gilbert Muth 1966-8-3 493 Siskiyou Marble Valley Marble Mountain Wilderness Area 1792 Comment
  CAS-BOT-BC65366  Boechera platysperma R. C. Wenk 2008-7-23 906 Siskiyou SW side of Mount Shasta, below Panther Meadow. 2269 Comment
  CAS-BOT-BC25614  Boechera retrofracta John Thomas Howell 1939-8-3 14952 Siskiyou Marble Mountains. Spriit Lake. 1828 Comment
  CAS-BOT-BC25627  Boechera retrofracta Gilbert Muth 1966-7-8 370 Siskiyou Marble Mountains. Marble Valley. 1792 Comment
  SEINET3132274  Boechera retrofracta G. D. Butler 1163 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  HSC29124  Boschniakia strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area, on the N side of Charmaine Lake 1921 Comment
  HSC65509  Boykinia major Rich White 1977-7-7 107 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA602826  Boykinia major Louis C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  UC375291  Brassica rapa Geo. D. Butler 1908-6-20 1053 Siskiyou yards around Yreka Yreka Comment
  HSC69142  Brickellia greenei Maralyn A. Renner 1980-8-8 2475 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SEINET5707332 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UC375188  Brodiaea elegans subsp. elegans Geo. D. Butler 1908-6-28 Siskiyou flats Oro Fino Comment
  CAS-BOT-BC144102  Bromus Arthur Menzies 1962-7-26 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CAS-BOT-BC149495  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Shasta Valley. Gazelle. Comment
  JEPS69151  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC148799  Bromus carinatus var. marginatus William Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  SEINET229957 Image available Bromus ciliatus Leila M. Shultz, John S Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument ca 20 mi S of Tulelake; western extension of the Great Basin in California 1341 Comment
  HSC9169  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Cottonwood Creek. 915 Comment
  UC618657  Bromus hordeaceus W. Bridge Cooke 1938-7-15 11216 Siskiyou above Bear Springs (Mount Shasta); Mount Shasta 1676 Comment
  HSC94048  Bromus japonicus G. Fred Hrusa 1998-7-5 14685 Siskiyou S side of Pass on Happy Camp-O'Brien Rd., CA side of state boundary, above Indian Creek Camp 750 Comment
  JEPS94892  Bromus japonicus Vernon H. Oswald and Lowell Ahart 1998-7-21 9326 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake 1524 Comment
  UCR37855  Bromus marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC204802  Bromus racemosus Geo. D. Butler 1910-5-20 1370 Siskiyou near Yreka Comment
  SACT000689  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou Abundant but thin stand. Chaparral. Comment
  HSC22860  Bromus suksdorfii J. O. Sawyer, D. E. Anderson 1969-7-9 1270 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  HSC65333  Bromus suksdorfii J. P. Smith, J. O. Sawyer 1973-8-15 7327 Siskiyou N of Angel Lake 2012 Comment
  UC1495324  Bromus suksdorfii Robert T. Clausen and Harold Trapido 1940-7-26 4950 Siskiyou Mount Shasta, along e side of canyon of Mud Creek, Sacramento River Basin Mount Shasta; Pacific Slope, S Cascade Mountains, Sacramento River Basin 1584 Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  POM363991  Bromus tectorum M. B. Dunkle 1945-7-19 9232 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC144810  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  SEINET10520765  Calamagrostis canadensis Louis C. Wheeler 1935-7-26 Wheeler 3716 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. T47N R10W S12. Mt. Diablo Mer. 1951 Comment
  HSC22197  Calamagrostis koelerioides J. O. Sawyer 1968-7-9 419 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC27138  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-27 4502 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  RSA237963  Callitriche heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Inlet meadow to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  HSC39918  Callitropsis nootkatensis J. O. Sawyer 1970-7-15 2350 Siskiyou Above Bear Lake 1585 Comment
Read comments
Jun 9 2017
  HSC65409  Callitropsis nootkatensis Rich White 1978-7-3 204 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC85729  Calocedrus decurrens Doris K. Kildale 1927-11-28 4234 Siskiyou Quartz Valley, Scott River Comment
  HSC33963  Calocedrus decurrens J. P. Smith 1974-5-25 7431 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA604462  Calocedrus decurrens L. C. Wheeler 1959-7-21 7587 Siskiyou Salmon Mountains: Dry Gulch Mine off Crawford Creek off South Fork Salmon River. 1219 Comment
  UC1076355  Calocedrus decurrens D. Tebbe 1930-3-28 60 Siskiyou near Weed Comment
  UC922507  Calochortus coeruleus Annie M. Alexander and Louise Kellogg 1949-7-21 5823 Siskiyou near Paradise Lake; Marble Mountains 1920 Comment
  RSA261444  Calochortus elegans var. nanus J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-7-7 3712 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC26265  Calochortus elegans var. oreophilus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  SEINET1783209  Calochortus elegans var. oreophilus Unknown 1938-7-19 1748 Siskiyou 2 1/2 mi NE of Dry Lake Lookout, summit of Siskiyou Mountains. Comment
  CHSC2232  Calochortus nudus N. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC493090  Calochortus nudus W. R. Dudley 1893-6-19 s.n. Siskiyou Woods near Sisson Comment
  HSC75123  Calochortus nudus J. P. Smith, Thomas W. Nelson 1979-6-16 10143 Siskiyou Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line 1463 Comment
  UC423005  Calochortus nudus Annie M. Alexander and Louise Kellogg 1911-7-16 249 Siskiyou South Fork Salmon River 1524 Comment
  JEPS86146  Calochortus persistens Mr. L. P. Crocker 1890-1 Siskiyou near Yreka Comment
Read comments
Jan 10 2020
  HSC44915  Calochortus tolmiei J. P. Smith 1973-5-5 6483 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC73051  Calochortus tolmiei M. A. Baker 1980-6-20 2216 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC494019  Calochortus tolmiei Clarence Quick 1959-6-19 59 -09 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC132630  Calochortus uniflorus Wm. Bridge Cooke 1938-7-15 11219 Siskiyou In lower Wagon Camp Comment
  CAS-BOT-BC132631  Calochortus uniflorus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC609324  Caltha biflora Eleanor Burks Hart 1938-8-21 908 Siskiyou Upper Wright Lake. Comment
  UC9024  Caltha biflora Harley P. Chandler June, 1901 1571 Siskiyou Near Marble Mountain; North Coast Ranges. 1828 Comment
  CAS-BOT-BC181515  Caltha leptosepala H. A. Thomas; J. H. Thomas 1954-7-24 4498 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  HSC69352  Caltha leptosepala Maralyn A. Renner 1980-8-21 2572 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC273393  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  UC1971694  Calycadenia fremontii 1978-8-21 2159 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Road (=GDC 783) 194 Comment
  HSC31620  Calypso bulbosa Gleen McGourty 1974-5-25 53 Siskiyou Near junction of Road 8 and French Creek Rd. 1280 Comment
  JEPS52542  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Horse Camp Horse Camp; Mount Shasta, Horse Camp Comment
  UCD35433  Calystegia malacophylla Beecher Crampton 1956-8-21 3834 Siskiyou Canyon of the south fork of the Sacramento River. 1524 Comment
  UC725675  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, nr Wagon Creek Falls 1524 Comment
  SEINET7126172  Calystegia occidentalis G. D. Butler 1910-5-23 1397 Siskiyou Humbug mountain 1067 Comment
  CDA39905  Calystegia occidentalis subsp. occidentalis G. C. Fleischman 1946-7-26 s.n. Siskiyou Vicinity of Mt. Shasta. 0 Comment
  JEPS84334  Calystegia occidentalis subsp. occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6411 Siskiyou ca 5 mi n of the town Seiad Valley (Cirque at head of Hell's Canyon); Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  UC873944  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek Siskiyou Mts. 853 Comment
  SD88317  Campanula prenanthoides Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1705 Comment
  SEINET10463103  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou Near Kelley Lake, on the Preston Peak quadrangle, close to the town of Happy Camp 1371 Comment
  SEINET3142707  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  RSA456183  Campanula prenanthoides M. B. Dunkle 1944-7-15 9097 Siskiyou Siskiyou Natl. Forest Comment
  SEINET10463093  Campanula prenanthoides Ground 1970-7-15 GROUND 594 Siskiyou Preston Peak, Klamath National Forest: slope northwest edge of Rattlesnake Meadow Montane Scrub 1646 Comment
  RSA456188  Campanula rotundifolia M. B. Dunkle 1945-1 9353 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  SEINET10873043  Campanula rotundifolia Edwin B. Copel 1903-9-7 Copeland 3852 Siskiyou Mount Eddy Comment
  SEINET10972070  Campanula scabrella George Engelmann 1880-8-30 Engelmann s.n. Siskiyou SCOTTS MOUNTAIN UNDER PINUS ALBICAULIS & P. BALFOURIANA 2134 Comment
  SD88346  Campanula scouleri Darley F. Howe 1972-7-6 4877 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp. 1645 Comment
  SEINET10463787  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou Near Copper Butte; Seiad Valley quadrangle near Seiad Valley 1414 Comment
  UC890575  Campanula scouleri Alice Eastwood 1912-7-21 1283 Siskiyou Sisson Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  JEPS57208  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou canyon above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  LA204513  Campanula wilkinsiana Wm. Bridge Cooke; 1938-8-8 11665 Siskiyou Mount Shasta, along the streams in Squaw Valley Creek meadows 2438 Comment
  SEINET10840064  Campanula wilkinsiana Kohmannsm KOHMANNSM s.n. Siskiyou Mount Shasta Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  UCD114169  Cardamine bellidifolia Dean Wm. Taylor 1975-8-14 5456 Siskiyou Mt. Shasta, between Shasta Ski area and Green Butte. 2590 Comment
  CHSC102551  Cardamine bellidifolia var. pachyphylla L. P. Janeway 2009-8-3 9886 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 780 Comment
  UCD77455  Cardamine breweri Robert E. Preston 2001-6-30 1669 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1767 Comment
  HSC68475  Cardamine californica Maralyn A. Renner 1980-6-26 1218 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC37795  Cardamine nuttallii George Dexter Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  CDA16166  Cardaria draba G. F. Hrusa 1998-5-25 14473 Siskiyou Klamath Ranges; Along Klamath R. at Yreka (Hwy 96 rest area) on N side of entrance rd. 632 Comment
  RSA531014  Cardaria pubescens B. C. Templeton 1960-6-21 8529 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  CDA38722  Carduus acanthoides Tanya Chapple 2012-7-26 PDR# 470 P06027587 Siskiyou Dillon watershed, west of Dillon Mountain. Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  HSC62615  Carex amplifolia Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  HSC76853  Carex amplifolia L. P. Janeway 1982-6-22 20 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  POM211398  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  SEINET7549680 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC18124  Carex athrostachya William Bridge Cooke 1940-6-8 15124 Siskiyou In Mount Shasta City. 1082 Comment
  CHSC98584  Carex brainerdii Thomas W. Nelson; Jane P. Nelson 1983-7-29 7506 Siskiyou Along Forest road 41N14 5 miles north of junction with Callaghan-Cecileville county road at crossing over Sugar Creek. 1432 Comment
  CAS-BOT-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 Comment
  SEINET10856290  Carex breweri Thorne 1969-8-10 THORNE 38982 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta; at base of boulders on dry, sunny volcanic slopes above ski-logde. 2377 Comment
  POM80802  Carex densa Geo D. Butler 1909-6-10 809 Siskiyou Yreka Creek. Comment
  CHSC88400  Carex dudleyi Jenny Marr 1993-7-1 159 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 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
  CAS-BOT-BC19920  Carex epapillosa Alice Eastwood 1921-7-28 10955 Siskiyou Medicine Lake. Comment
  HSC76839  Carex exsiccata L. P. Janeway 1982-8-1 97 Siskiyou Curve of FS Rd. 17N32 at FS Rd. 17N32A, 5 mi. from Indian Creek Rd. 793 Comment
  SEINET10650516  Carex feta George D. Butler Butler 1785 Siskiyou Oro Fino, in damp meadow. Comment
  CAS-BOT-BC20747  Carex fracta William Bridge Cooke 1938-6-24 11085 Siskiyou Mt. Shasta. 1524 Comment
  HSC48100  Carex fracta D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19537 Siskiyou Along Hwy. 96 about 8 mi. W of junction with I-5 Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 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
  CHSC82811  Carex halliana L. P. Janeway 2002-7-13 7638 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  CHSC40188  Carex hassei Lawrence Janeway 1983-8-6 489 Siskiyou At Poker Flat. 1524 Comment
  CHSC40195  Carex hoodii L. P. Janeway 1983-8-6 496 Siskiyou At Poker Flat. 1524 Comment
  JEPS109847  Carex inops subsp. inops Dean W. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  RSA0069322  Carex inops subsp. inops Dean Wm. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta; southeastern flank of the base of the mountain, Squaw Valley Creek watershed. 1664 Comment
  RSA0091009  Carex inops subsp. inops Dean Wm. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  HSC85835  Carex integra L. P. Janeway 1983-8-6 491 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  HSC103665  Carex integra Thomas W. Nelson, Jane Nelson 1984-7-28 7700 Siskiyou Along west side of Gumboot Lake 1860 Comment
  CAS-BOT-BC7579  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Long Gulch Lake. Klamath National Forest. 1940 Comment
  CHSC95090  Carex laeviculmis L. P. Janeway 2006-7-2 8743 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61, at alder-shaded creek on steep north-facing slope. Along seepy road side-drainage to the creek. 1554 Comment
  HSC60901  Carex lenticularis var. impressa Al Hobart Siskiyou Black Butte Comment
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  SEINET7564660 Image available Carex lenticularis var. lipocarpa L. P. Janeway 2006-7-1 8716 Siskiyou Klamath Rages, Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. Comment
  CHSC96165  Carex luzulina L. P. Janeway 2006-7-1 8719 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  SEINET10711162  Carex luzulina A. Arthur Heller 1920-7-6 Heller 13410 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy, in open places in the forest. The original growth of Yellow Pine has been replaced by White Fir, Douglas Fir and Incense Cedar. Shrubs are Willow, Corylus and Ceanothus. 1158 Comment
  RSA577422  Carex mariposana L. C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon. Siskiyou Mountains. 1677 Comment
  HSC59011  Carex mertensii Marvin Butler 1971-7-21 179 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  RSA237317  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC40197  Carex microptera L. P. Janeway 1983-8-6 490 Siskiyou At Poker Flat, a meadow in a fir forest. 1524 Comment
  CAS-BOT-BC32002  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC32005  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou Margins of Carmen Lake, ca 1.5 mi E of Scott Mountain Road. 1737 Comment
  JEPS63685  Carex multicaulis W. L. Jepson July, 1894 52 a Siskiyou Upton Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  CAS-BOT-BC32013  Carex multicaulis R. E. Frenkel 1964-7-13 697 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 0.4 mi N of McCloud River RR crossing. 1176 Comment
  SEINET10713500  Carex multicaulis William B. Cooke 1941-8-28 Cooke 16237 Siskiyou Scattered through the dry Shasta Fir woods in the vicinity of Squaw Valley Creek, Mt. Shasta. 2286 Comment
  RSA739623  Carex multicostata L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges, Siskiyou Mtns, 3.2 air km SW of cook and Green Pass, 0.4km SE of Red Butte 1737 Comment
  SEINET7568490 Image available Carex multicostata Ray Tallent 1987-8-13 915 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  HSC76654  Carex multicostata K. T. Stillman 1976-7-23 297 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UC1265326  Carex pachystachya Frederick W. Oettinger 1968-8-11 485 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area 1981 Comment
  UC1265429  Carex pachystachya Frederick W. Oettinger 1968-8-10 458 Siskiyou trail from Base Camp Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1973 Comment
  UC1256430  Carex pachystachya Frederick W. Oettinger 1968-9-6 735 Siskiyou on trail ne Tom's Lake - Salmon Mountains, Marble Mountain Wilderness Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  CAS-BOT-BC117912  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC91194  Carex scabriuscula Jennifer Whipple 1977-7-21 2017 Siskiyou Near Durney Lake 2073 Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
Read comments
Dec 24 2010
  CHSC44945  Carex serratodens L. P. Janeway 1983-5-29 317 Siskiyou Drainage ditch on N side of Scott River Rd, on N side of Scott River; opposite Indian Scotty USFS campground. 762 Comment
  CAS-BOT-BC117689  Carex simulata Frank Walton Gould 1940-5-14 12325 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  UC922497  Carex spectabilis Annie M. Alexander and Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  HSC7173  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mtns. 1829 Comment
  SEINET4292103 Image available Carex straminiformis Unknown 2006-1 8776 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Comment
  CAS-BOT-BC115849  Carex subfusca William Bridge Cooke 1938-9-17 11690 Siskiyou Mt Shasta Spring. 2438 Comment
  CHSC106465  Carex subfusca Peter F. Zika 2009-8-16 24599 Siskiyou Cascade Range Highlands (CaRH). Damp meadows near north end of Juanita Lake, Forest Service Road 46N04. 1550 Comment
  UCD140918  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1280 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
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  CAS-BOT-BC115168  Carex vesicaria R. Tallent 1987-8-12 897 a Siskiyou Klamath National Forest. Long Gulch Lake. 1939 Comment
  SEINET7579992 Image available Carex vesicaria Veva Stansell 1995-10-1 3013 Siskiyou Whiskey Lake, south of Takilma, OR. 1463 Comment
  RSA237251  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC241143  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-29 13642 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC241146  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-7-17 1185 Siskiyou Sisson Comment
  UC725307  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou along trail to Horse Camp; Mt. Shasta 2286 Comment
  RSA120313  Castilleja applegatei subsp. pinetorum S. S. Tillett 1956-7-9 667 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  JEPS26032  Castilleja arachnoidea Lauramay T. Dempster with Clare B. Hardham 1961-7-1 1842 Siskiyou 1.5 mi e White Mtn. (along ridge from Condrey Peak to White Mtn, watershed between Dutch Creek (Applegate River) and Horse Creek (Klamath River)); Siskiyou Mtns., Dutch Creek, Horse Creek 1889 Comment
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  UC1094394  Castilleja lacera Rimo C. Bacigalupi with Galen Smith 1957-6-26 5939 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  HSC61814  Castilleja miniata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UCR61243  Castilleja miniata Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC253622  Castilleja miniata L. R. Abrams 1926-7-4 11232 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  SBBG6805  Castilleja miniata subsp. miniata H. and M. Dearing 1948-9-12 6732 Siskiyou Panther Meadow, Mt Shasta 2316 Comment
  CAS-BOT-BC32551  Castilleja pilosa Amos Arthur Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  RSA0005952  Castilleja pinetorum var. fragilis E. B. Copeland 1903-8-14 3883 Siskiyou Sisson. Comment
  HSC69502  Castilleja pruinosa John S. Palmer 1980-7-24 646 Siskiyou Dillon Divide 1707 Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC76975  Castilleja pruinosa K. T. Stillman 1976-6-25 71 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  UCD123043  Castilleja pruinosa J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3752 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  HSC29389  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Marble Mtn. Wilderness Area, NE of Diamond Lake 2088 Comment
  RSA184820  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -A Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  CAS-BOT-BC241082  Castilleja schizotricha Annie M. Alexander; Louise Kellogg 1949-7-22 5840 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 2072 Comment
  CAS-BOT-BC48652  Ceanothus cordulatus L. E. Detling 1950-6-8 6588 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC48655  Ceanothus cordulatus Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  HSC31491  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  JEPS82333  Ceanothus cuneatus var. cuneatus Roger Raiche 1983-8-14 30616 Siskiyou near suumit of rd to Mt. Eddy (rd to Dead Fall Meadow) Comment
  UC375370  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-30 667 Siskiyou near Yreka Comment
  SD42406  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento river Canyon, 1 mi. below Dunsmuir 671 Comment
  CAS-BOT-BC50243  Ceanothus integerrimus J. Cromwell; A. Thoele; J. Schneider 1994-5-16 077 Siskiyou 5 mi. W of Seiad Valley on Hwy 96 390 Comment
  CAS-BOT-BC50691  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1923-5-20 11869 Siskiyou Shasta Springs Comment
  RSA1132  Ceanothus lemmonii B. D. Stark 1929-7-25 1393 Siskiyou 1 miles S of Dunsmuir. 671 Comment
  HSC40208  Ceanothus prostratus J. P. Smith 1976-5-21 8760 Siskiyou Klamath National Forest, USFS Rd. 40N08 6.2 mi from its junction with Hwy. 3 1463 Comment
  RSA399820  Ceanothus prostratus H. E. McMinn 1931-6-27 2520 Siskiyou Shasta City. Comment
  UC796434  Ceanothus prostratus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11737 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  RSA23631  Ceanothus sanguineus O. V. Matthews 1939-6-7 9512 Siskiyou Mohawk Mine, Frog Pond trail, 2 miles S of Oregon-California line, alt 4000ft, siskiyou County 1220 Comment
  SBBG83931  Ceanothus sanguineus R. Gankin, R. Hildreth 1967-10-27 1182 Siskiyou 2.6 Rd mi from Lafayette Pt on USFS Rd 39N04 off Black Bear Rd between Sawyers Bar and Cecilville 1706 Comment
  CAS-BOT-BC63157  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  HSC18354  Ceanothus velutinus R. C. Wunner 1965-6-7 106 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  JEPS674  Ceanothus velutinus Willis L. Jepson Jul 24 1894-Aug 10 1894 14865 Siskiyou Sisson Upper Sacramento region Comment
  RSA120637  Ceanothus velutinus G. D. Barbe 1955-8-1 320 Siskiyou SE of Craggy lookout on Mt Bolivar. 2195 Comment
Read comments
Mar 6 2013
  RSA398977  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou open slopes S of Little Duck Lake 2134 Comment
  UC1409314  Ceanothus velutinus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1228 Siskiyou on se side Pine Lake (at edge of a talus boulder side area (high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  UC1483459  Ceanothus velutinus Maralyn A. Renner 1980-7-23 1921 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  UCR136775  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  CDA37898  Centaurea squarrosa J. L. Johnson 1980-7-1 s.n. Siskiyou Hawkinsville. 0 Comment
  JEPS38136  Centromadia fitchii Geo. D. Butler 1908-7-23 507 Siskiyou Yreka Comment
  HSC30469  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little N Fork Trail, Salmon Mountains 2012 Comment
  RSA381929  Cephalanthera austiniae Louis C. Wheeler 1934-6-4 2638 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mountains 762 Comment
  CAS-BOT-BC384967  Cerastium arvense A. A. Heller 1921-7-17 13572 Siskiyou On the south slope of Mt. Eddy 1828 Comment
  HSC103178  Cerastium arvense subsp. strictum Dana York 2011-9-8 3088 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  UCD97998  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC4754  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-5 491 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  HSC65312  Ceratophyllum demersum J. P. Smith, Steve Selva 1970-7-16 4381 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  RSA576947  Ceratophyllum demersum L. C. Wheeler 1934-6-3 22625 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. Mt. Diablo Mer. 518 Comment
  CAS-BOT-BC207627  Cercis occidentalis Doris K. Kildale 1929-4-27 7848 Siskiyou Cecilville, south fork of Salmon River. Comment
  HSC18572  Cercocarpus ledifolius D. M. Thomson 1965-7-10 122 Siskiyou California Lava Beds National Monument, by Information Center parking lot Comment
  RSA120777  Cercocarpus ledifolius G. D. Barbe 1955-7-29 315 Siskiyou below a serpentine outcropping on a Knott NW of Scott Mtn. 1738 Comment
  HSC63032  Cercocarpus montanus var. glaber J. P. Smith 1973-5-5 6506 Siskiyou Along Cook and Green Pass Rd. Comment
  SD88331  Chaenactis douglasii var. achilleifolia Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 1220 Comment
  CAS-BOT-BC276765  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC276780  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 1999 Siskiyou Mount Eddy Comment
  CAS-BOT-BC276781  Chaenactis douglasii var. douglasii K. T. Stillman 1976-7-21 279 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River 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
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
Read comments
Feb 10 2013
  RSA23949  Chamaebatiaria millefolium O. V. Matthews 1939-7-13 35 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  UC1127954  Chamaebatiaria millefolium M. H. Mitchell 1936-5-21 24 Siskiyou Modoc Lava Beds National Monument, Frozen River Cave Frozen River Cave; Modoc Lava Beds National Monument, Frozen River Cave 1348 Comment
  UCD102288  Chamaebatiaria millefolium Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  CAS-BOT-BC85660  Chamaecyparis lawsoniana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  RSA593940  Chamaecyparis lawsoniana L. C. Wheeler 1963-9-5 8350 Siskiyou Siskiyou Mountains. Sanger Lake. Comment
  POM138054  Chamaesyce serpillifolia M. S. Baker 1897-08 147 Siskiyou On road to Medicine Lake. Comment
  UC1751253  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-16 Siskiyou near Yreka (Klamath River) Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  CAS-BOT-BC165981  Chamerion angustifolium L. R. Short 1933-8-7 114 Siskiyou Klamath National Forest. Marble Mts. 1798 Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  JEPS85081  Chenopodium W. B. and V. G. Cooke with Ted Graves 1988-8-29 64227 Siskiyou along Andesite Rd (Shasta NF FS-11) Mount Shasta, Shasta National Forest (n side of mt) 1463 Comment
  RSA0072902  Chenopodium chenopodioides R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39033 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  SEINET5765050 Image available Chenopodium pumilio A. A. Heller 1915-1 12210 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1189 Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna Comment
  UC618904  Chimaphila menziesii W. Bridge Cooke 1938-8-5 11458 Siskiyou along Sisson Southern Trail Mt. Shasta Comment
  RSA127125  Chimaphila umbellata subsp. occidentalis I. L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  SEINET7075526  Chlorogalum angustifolium A. G. Vestal 1955-5-16 s.n. Siskiyou About 6.2 miles northwest of Weed. 41? deg. 28' 27" North Latitude, -122? deg. 28' 53" West Longitude. UTM Zone 10, 543291mE, 4591309mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC252661  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek adn Deadman Gulch, Siskiyoui Mts. 670 Comment
  POM267300  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  CAS-BOT-BC36387  Chrysolepis chrysophylla W. R. Dudley 1907-8-20 s.n. Siskiyou Along Salmon River above mouth of trail creek Comment
  OBI55439  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  UC5454  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  JEPS83581  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 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
  SEINET13943617 Image available Cicuta occidentalis G. D. Butler 1910-1 1788 Siskiyou Oro Fino Creek Comment
  SEINET8497824  Cinna latifolia D. W. Taylor 2006-8-8 19590 Siskiyou Dry Creek Peak (ridge ca. 12 air miles Northeast of Mt. Shasta summit) at headwaters Antelope Creek 2195 Comment
  HSC19173  Circaea alpina subsp. pacifica J. O. Sawyer 1969-8-4 1889 Siskiyou Above S Sugar Lake 2043 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  HSC69340  Circaea alpina subsp. pacifica John Palmer 1980-8-13 787 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  CHSC35684  Cirsium andersonii Thomas Nelson; Jane Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3 just north of Scott Mountain Summit. 1584 Comment
  UC1211912  Cirsium cymosum var. cymosum Roy L. Taylor 1960-6-12 4445 Siskiyou 1 mi w junction of Hwy 96 and Hwy 99 (n of Yreka); Klamath River Comment
  JEPS59123  Cirsium douglasii var. breweri Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou meadows at Sissons Region of the Upper Sacramento, Strawberry Valley, Sissons Comment
  CAS-BOT-BC32806  Cirsium drummondii subsp. lanatum Alice Eastwood 1912-8-30 2054 a Siskiyou Mount Eddy Comment
  HSC68225  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS44095  Cirsium occidentale var. candidissimum W. B. and V. G. Cooke 1965-7-12 35167 Siskiyou at turnout n of Whitney Creek (bank of US 97); Mt/ Shasta Comment
  UC454286  Cirsium occidentale var. candidissimum I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  OBI54136  Cirsium occidentale var. candidissimum David J. Keil, Kathleen Keil 1992-7-24 23558 Siskiyou 2.8 mi NE of Hwy 3 on Gazelle-Callahan rd Comment
  CAS-BOT-BC288767  Cirsium remotifolium John Thomas Howell 1939-8-7 15112 Siskiyou Sky High Valley, Marble Mts 1828 Comment
  RSA0070878  Cirsium remotifolium M. B. Dunkle 1945-1 9338 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC5382  Cirsium vulgare D. M. Thomson 1965-8-14 196 Siskiyou California Lava Beds National Monument; Tichner Rd., 2 mi. from the SE entrance Comment
  CAS-BOT-BC228965  Cistanthe umbellata Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC228980  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228981  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  UC903388  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 Siskiyou Yreka Comment
  CAS-BOT-BC164970  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC164971  Clarkia rhomboidea A. A. Heller 1928-6-9 14599 Siskiyou Along the railroad embankment at Shasta Retreat 762 Comment
  CAS-BOT-BC94894  Clarkia rhomboidea R. C. Wenk 2005-7-15 196 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 1645 Comment
  JEPS116581  Clarkia rhomboidea Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -017 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N84, 4 miles NE of town of Weed. Mt. Shasta 1249 Comment
  POM46297  Clarkia rhomboidea Geo. D. Butler 1900-5-30 1436 Siskiyou Near Hawkinsville Comment
  RSA458875  Clarkia rhomboidea M. B. Dunkle 1944-6-25 9030 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC439104  Claytonia cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC58961  Claytonia cordifolia Gilbert Muth 1976-7-28 5195 Siskiyou Near Kuntz Creek, close to the town of Seiad Valley 1830 Comment
  HSC64295  Claytonia parviflora subsp. parviflora J. P. Smith 1973-5-5 6376 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS69765  Claytonia rubra W. B. and V. G. Cooke 1972-6-30 45422 Siskiyou Military Pass Road; Mt. Shasta Comment
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC69574  Clintonia uniflora Maralyn A. Renner 1980-8-6 2260 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  HSC61808  Collinsia parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC68497  Collinsia parviflora Maralyn A. Renner 1980-6-22 887 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC1114145  Collinsia parviflora Gene B. Newcomb, H. G. Baker Mar 28 1959-Mar 29 1959 232 Siskiyou 4.5 mi n of city limits of Yreka (on US Highway 99); US Highway 99 914 Comment
  CDA41377  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2600 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC90174  Collinsia parviflora Andrew Enberg, Brad Penkala and Dan Scofield 1990-4-4 33 Siskiyou E side of Hwy. 3, about 8 mi. N of Scott River Ranger Station 1159 Comment
  HSC74926  Collinsia rattanii J. P. Smith, Jennifer Whipple 1978-7-2 9979 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  UC195221  Collinsia torreyi var. latifolia Annie M. Alexander and Louise Kellogg 1911-7-16 253 Siskiyou South Fork Salmon River 914 Comment
  JEPS80584  Collomia grandiflora Gilbert Muth 1965-7-29 137 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 1895 Comment
  UC164129  Collomia grandiflora Geo. D. Butler 1910-5-19 1366 Siskiyou dry land near Yreka Comment
  UC718486  Collomia grandiflora Carl B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  HSC19057  Collomia heterophylla J. O. Sawyer 1969-7-1 959 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  UC648287  Collomia tinctoria John Thomas Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail Marble Mts. Comment
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  CAS-BOT-BC180420  Comandra umbellata subsp. californica Alice Eastwood 1923-5-20 11879 Siskiyou Shasta Springs Comment
  CAS-BOT-BC180421  Comandra umbellata subsp. californica A. A. Heller 1905-6-1 7937 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  CAS-BOT-BC133721  Corallorhiza Mrs. Gay 1893-6-1 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CHSC30248  Corallorhiza maculata M. S. Taylor 1980-7-8 3106 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC497  Corallorhiza maculata William J. Ferlatte 1966-8-5 324 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1177929  Corallorhiza maculata Francia Chisaki and Gene B. Newcomb 1958-6-21 1146 Siskiyou on Everitt Hill road 3.5 mi e junction with Highway 99 & 89; Everitt Hill 1447 Comment
  HSC19267  Corallorhiza mertensiana J. O. Sawyer 1968-6-25 327 Siskiyou 1646 Comment
  HSC104273  Corallorhiza striata Samantha E. Andres 2016-6-5 19 Siskiyou About 2.5 mi. on the Doe Flat Trail from the parking lot 1229 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  HSC42895  Cordylanthus tenuis subsp. viscidus Ken Stillman 1976-8-15 411 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 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
  HSC89859  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, G. Thomas Robbins, T. W. Custer 1954-8-12 4791 Siskiyou Along highway following the Klamath River, 1/2 mi. W of Hamburg 457 Comment
  CAS-BOT-BC101078  Coreopsis lanceolata John H. Thomas 1969-9-7 15466 Siskiyou near railroad tracks, McCloud Comment
  RSA105468  Cornus glabrata Milo S. Baker 1955-6-27 13090 Siskiyou Road Gazelle to Callahan. Comment
Read comments
Oct 9 2014
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UCSB15565  Cornus nuttallii Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 18.1 miles northwest of Happy Camp; Siskiyou Mountains 1280 Comment
  CAS-BOT-BC212052  Cornus nuttallii Carl B. Wolf 1927-8-26 1071 Siskiyou On the Klamath River, 5 mi. above Hamburg Comment
  HSC19034  Cornus sericea subsp. sericea J. O. Sawyer 1969-8-4 1928 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  SFV5169  Cornus sericea subsp. sericea B. C. Templeton 1960-6-21 8557 Siskiyou Klamath Mountains 2 miles below the summit of Scott Mountain. 1430 Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS124698 Image available Corylus cornuta subsp. californica B. Corwin 1964-7-1 131 Siskiyou Above lower falls of McCloud River. Fowler Public Camp, off rte. 89. Comment
  CDA25819  Crataegus douglasii var. suksdorfii F. D. Horn 1976-5-21 Siskiyou Lighthill Grade Road near Fort Jones. 0 Comment
  HSC99922  Crataegus suksdorfii J. O. Sawyer, & R. J. Cole 2010-6-26 4609 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  CAS-BOT-BC290478  Crepis acuminata Geo. D. Butler 1910-7-4 1639 Siskiyou Goosenest foothills 1219 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
  POM356326  Crepis acuminata M. B. Dunkle 1945-8-6 9329 Siskiyou Big ridge, Marble Mountain Comment
  UCD130939  Crepis monticola G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3261 Siskiyou 3 miles south of Yreka. 822 Comment
  JEPS36407  Crepis occidentalis W. L. Jepson 1940-6-23 19981 Siskiyou hillslope e Montague 822 Comment
  CAS-BOT-BC310333  Crepis occidentalis subsp. conjuncta R. C. Wenk 2005-7-19 333 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  RSA13766  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  UC857037  Cryptantha affinis Lewis S. Rose 1937-7-25 37589 Siskiyou s slope Mt. Shasta 1767 Comment
  HSC29335  Cryptantha affinis Frederick W. Oettinger 1969-9-1 1581 Siskiyou Marble Mtn. Wilderness Area, inlet area to Dry Lake 2027 Comment
  RSA0070857  Cryptantha hendersonii E. B. Copeland 1903-7-5 3550 Siskiyou Klamathon. Comment
  HSC49928  Cryptantha subretusa Gilbert Muth 1978-8-2 6760 Siskiyou Near S China Mtn. close to the town of Cassel 2439 Comment
  HSC69121  Cryptogramma acrostichoides Maralyn A. Renner 1980-8-7 2387 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA237233  Cryptogramma acrostichoides Frederick W. Oettinger 1967-7-8 158 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SD76175  Cryptogramma cascadensis Helen V. Witham 1969-10-9 611 Siskiyou Panther Meadow, Mt. Shasta 2400 Comment
  UC813438  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek; Siskiyou Mts., Mt. Diablo Mer., Seiad Creek 1158 Comment
  POM211465  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  JEPS80596  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture Marble Mt. Wilderness Area 1792 Comment
  HSC3221  Cycladenia humilis R. C. Wunner 1965-6-15 185 Siskiyou Lava Beds National Monument, Caldwell Butte SE side. 1463 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  UC838425  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W. Fork Beaver Creek Siskiyou Mts., W. Fork Beaver Creek, Lund Ranch 1066 Comment
  UC183884  Cyperus erythrorhizos Geo. D. Butler 1909-9-5 868 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC133745  Cypripedium californicum William R. Dudley 1899-7-5 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CHSC2338  Cypripedium fasciculatum M. Yoder 1932-6-20 Siskiyou Castle Lake. ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  UC164390  Cypripedium montanum Geo. D. Butler 1910-6-19 Siskiyou <?> Mountain Comment
  UC1408835  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou nw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  UC1478233  Cystopteris fragilis G. D. Barbe, J. T. Howell, and T. C. Fuller 1980-4-29 2637 Siskiyou 3.2 km e of Callahan (ca. 150 m e of Highway 3 bridge, beside Callahan/Gazelle Rd) 976 Comment
  POM120356  Cystopteris fragilis Geo D. Butler 1910-7-9 1694 Siskiyou Shackleford Creek. 1220 Comment
  RSA59499  Cystopteris fragilis E. K. Balls 1950-5-17 14714 Siskiyou By Schebchin Butte, Lava Beds National Monument 1402 Comment
  HSC39657  Dactylis glomerata J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-4 5738 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  RSA239099  Dactylis glomerata Frederick W. Oettinger 1968-9-6 739 Siskiyou Tom's Lake region . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  HSC58836  Danthonia californica Butler 1971-7-21 186 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction. 1433 Comment
  HSC82384  Danthonia californica Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4538 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD37076  Danthonia californica Beecher Crampton 1956-8-21 3807 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  POM365004  Danthonia californica var. americana M. B. Dunkle 1945-7-24 9263 Siskiyou Klamath National Forest, Marble Mountains; Dad's Pocket Comment
  RSA239120  Danthonia californica var. americana Frederick W. Oettinger 1969-9-4 1657 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC76228  Darlingtonia californica W. H. Brewer 1862-9-8 1356 Siskiyou In the valley of the Upper Sacramento near 'Jim Southern's' about 30 miles south of Mount Shasta. Comment
  CAS-BOT-BC76230  Darlingtonia californica Doris K. Kildale 1929-8-25 9019 Siskiyou Near Youngs Valley on trail to Preston Peak. 1524 Comment
  CHSC29775  Darlingtonia californica M. S. Taylor; W. Roderick, B. Williams 1980-5-4 2786 Siskiyou Bog around Cedar Lake, peat mounds at lake edge an ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  CHSC30181  Darlingtonia californica M. S. Taylor 1980-7-8 3102 Siskiyou On nw side of Castle Lake, along edge of lake, in ... Field redacted by CHSC, contact the data manager for more information 1615 Comment
  UC1483486  Darlingtonia californica Maralyn A. Renner 1980-7-4 1382 Siskiyou near trail about 1/4 mi below Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1584 Comment
  SEINET10480116  Darlingtonia californica Mary Susan Taylor 1980-6-23 Taylor 2942 Siskiyou T39N R5W sw sec 28 Dunsmuir quad; Shasta Trinity Natl Forest. Soapstone Gulch, on E side of Rd 39N45, ca. 2 mi S of its jct with Hwy 26, ca. 8 mi SW of Mt Shasta City. With B. Williams. (Meadows 0.3, .55 and .05 mi from end of road have Darlingtonia). 1676 Comment
  POM71157  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka. Comment
  UC1125923  Delphinium andersonii M. H. Mitchell 1936-5-9 11 Siskiyou se slope Schonchin Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  CAS-BOT-BC116158  Delphinium nuttallianum L. E. Smith 1913-5-14 210 Siskiyou Yreka Comment
  CAS-BOT-BC116176  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  CHSC71319  Delphinium nuttallianum Vernon H. Oswald; Lowell Ahart 1998-6-11 9205 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow, bordering the lake. 1402 Comment
  HSC41688  Delphinium nuttallianum J. P. Smith 1976-5-5 8704 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  CAS-BOT-BC116173  Delphinium nuttallianum Dorothy Inez Parker 1945-7-19 98 Siskiyou Bear Creek 1828 Comment
  JEPS75887  Deschampsia atropurpurea William J. Ferlatte 1971-9-18 1377 Siskiyou lower slope of Sawtooth Ridge; Trinity Alps, Caribou Basin 2194 Comment
  UCD61159  Deschampsia cespitosa Beecher Crampton 1956-8-21 3820 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  CAS-BOT-BC192462  Deschampsia cespitosa subsp. cespitosa Thomas W. Nelson; Jane P. Nelson 1980-7-20 6171 Siskiyou On hillside above and to southeast of Big Carmen Lake 1737 Comment
  UCD21468  Deschampsia cespitosa subsp. holciformis Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1208 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
  CAS-BOT-BC201638  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  HSC75105  Deschampsia danthonioides J. P. Smith, Thomas W. Nelson 1979-6-16 10131 Siskiyou Hwy. 3, 4.4 mi. from the Scott Mt. summit. 1220 Comment
  RSA86765  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  UC203920  Deschampsia danthonioides Geo. D. Butler 1910-4-22 1218 Siskiyou Oro Fino Comment
  HSC92279  Deschampsia elongata Jennifer Whipple 1978-10-6 2409 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  RSA238402  Deschampsia elongata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1190 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD63489  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3435 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  CAS-BOT-BC201932  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  POM369568  Descurainia incana subsp. viscosa M. B. Dunkle 1944-7-7 9081 Siskiyou Deer Creek 1768 Comment
  POM94894  Descurainia incana subsp. viscosa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek. Comment
  CAS-BOT-BC43119  Descurainia pinnata subsp. brachycarpa William Bridge Cooke 1941-6-12 16036 Siskiyou Mount Shasta. Along the Military Pass road above Andesite Station. 1524 Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  HSC91288  Dicentra pauciflora Jennifer Whipple 1976-6-17 1016 Siskiyou N face of Mt. Eddy 2226 Comment
  HSC98458  Dicentra uniflora J. P. Smith 1974-5-26 7593 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC41069  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-3-4 2075 Siskiyou N of Idlewild Campground 762 Comment
  UC144626  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC502677  Dichelostemma multiflorum V. Rattan 1879-6-1 s. n. Siskiyou Klamath Comment
  HSC44875  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-16 4022 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  HSC5960  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 206 Siskiyou California Lava Beds National Monument; Devil's Homestead Lava Flow Comment
  CAS-BOT-BC153303  Diplacus kelloggii J. H. Thomas 1954-5-13 4156 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek 1127 Comment
  SEINET210157  Diplacus layneae Noel H. Holmgren, Liew Fah Seong 1969-1 3617 Siskiyou CA 89, 23 mi E of McCloud, 1.3 mi from Shasta Co. line Comment
  SEINET260462 Image available Diplacus nanus David M. Thompson 1989-1 1022 Siskiyou 10.0 mi NE of Weed along Hwy 97 NW side of rd 1150 Comment
  UC163725  Disporum hookeri Geo. D. Butler 1910-4-22 1222 Siskiyou Kidder Creek Comment
  UC375204  Disporum hookeri Geo. D. Butler 1909-4-27 690 Siskiyou Quartz Valley Comment
  UCD77606  Dodecatheon alpinum Robert E. Preston 2001-6-23 1609 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  CAS-BOT-BC33306  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  RSA181958  Downingia montana John Weiler, Lincoln Constance, E. Moleseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy 99 just N of the bridge over the Sacramento River at the N end of Lake Shasta (Antler Resort area.) Comment
  CAS-BOT-BC41843  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  CAS-BOT-BC41763  Draba howellii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Summit of Marble Mountain. Comment
  JEPS20039  Draba nemorosa George D. Butler 1909-4-4 575 Siskiyou Butcher Hill near Yreka; Butcher Hill near Yreka Comment
  CAS-BOT-BC41309  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  CAS-BOT-BC41319  Draba pterosperma G. J. Muth 1969-8-6 1191 Siskiyou Boulder Peak. 2529 Comment
  RSA66145  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1006 Comment
  UC1094386  Draperia systyla Rimo C. Bacigalupi with Galen Smith 1957-6-26 5965 Siskiyou Ca. 4 miles SW of junction with the North Fork. Along road to Gumboot Lake, South Fork of the Sacramento River west of the town of Mount Shasta 1371 Comment
  HSC18765  Drymocallis glandulosa D. M. Thomson 1965-8-21 201 Siskiyou California Lave Beds N.M., Devil's Homestead Lava Flow Comment
  CAS-BOT-BC159434  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1928-7-1 5330 Siskiyou Forks of Salmon, Salmon River 365 Comment
  JEPS47209  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Comment
  UC165749  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  UC154518  Drymocallis lactea var. austiniae Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC90600  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-23 1106 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC45487  Dulichium arundinaceum Maralyn O'Meara 1973-6-5 196 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  JEPS98785  Eleocharis engelmannii Sue Pappalardo 1993-7-19 508 A Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  POM111783  Eleocharis radicans Geo D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek. 1220 Comment
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC618597  Eleocharis suksdorfiana W. Bridge Cooke 1938-7-21 11293 Siskiyou Panther Creek Middle Meadow, upper meadow 2286 Comment
  JEPS84001  Elymus X aristatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6433 Siskiyou Hell's Canyon Kangaroo Mountain (cirque at head, e slope of mt., ca 5 mi n of town of Seiad Valley) 1828 Comment
  HSC22087  Elymus X hansenii J. O. Sawyer 1968-7-9 420 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UCD61420  Elymus elymoides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3396 Siskiyou 7 miles N of Weed. Comment
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  HSC48284  Elymus glaucus J. O. Sawyer, K. T. Stillman 1978-7-6 3303 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC69221  Elymus glaucus Maralyn A. Renner 1980-8-31 2623 Siskiyou Twin Valley. 1494 Comment
  HSC76907  Elymus glaucus K. T. Stillman 1976-9-10 501 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC77089  Elymus glaucus K. T. Stillman 1976-7-30 333 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC197107  Elymus glaucus Geo. D. Butler 1909-6-19 836 Siskiyou along creek near Yreka Comment
  RSA126910  Elymus glaucus H. S. Yates 1936-6-20 5807 Siskiyou Siskiyou Summit 1372 Comment
  CAS-BOT-BC235223  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  CAS-BOT-BC235226  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  POM198623  Elymus multisetus Geo D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC101396  Elymus spicatus J. P. Smith, J.0. Sawyer, R. J. Cole 2010-8-7 13052 Siskiyou Kalmath National Forest. Forest Service Road 40N24 to Crater Lake 1768 Comment
  HSC9739  Elymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River 518 Comment
  HSC77244  Epilobium brachycarpum L. P. Janeway 1983-9-11 666 Siskiyou Poker Flat 1524 Comment
  HSC208  Epilobium ciliatum subsp. ciliatum William J. Ferlatte 1966-8-2 226 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  SD88342  Epilobium ciliatum subsp. ciliatum Darley F. Howe 1972-7-6 4873 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  POM171585  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-7-3 5423 Siskiyou Forks of Salmon, Salmon River 366 Comment
  POM171587  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-8-18 6479 Siskiyou Near head of north fork of Salmon River at English Lake 1524 Comment
  POM261009  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1941-9-5 16276 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  UC642587  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13718 Siskiyou meadow at Bear Springs Mount Shasta 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
  RSA258625  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-7-5 15285 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  HSC91965  Epilobium hallianum Jennifer Whipple 1976-7-2 1280 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1408912  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (upper side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  POM171593  Epilobium hallianum Doris K. Kildale 1929-7-20 8609 Siskiyou Southeast slope of Preston Peak 1951 Comment
  JEPS123399  Epilobium luteum Julie Kierstead Nelson with Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS84342  Epilobium minutum L. R. Heckard with J. Hickman et al. 1986-7-17 6461 Siskiyou trail up Kangaroo Peak s Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  RSA237396  Epilobium minutum Frederick W. Oettinger 1969-8-12 1340 Siskiyou Below metal bridge, 1 mile down from Etna Summit on trail between Yellow Dog Creek and Abbotts Lake Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS39282  Epilobium oreganum W. L. Jepson 1914-8-14 6162 Siskiyou Dunsmuir 792 Comment
  SEINET10632312  Epilobium oreganum A. Arthur Heller 1914-8-25 Heller 11712 Siskiyou Granite sand near Deetz station opposite Black Butte, wet grassy place 1140 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
  POM213942B  Epilobium paniculatum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  SEINET3149850  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  SD61057  Epilobium paniculatum Darley F. Howe 1964-8-5 3940 Siskiyou 3.7 miles south of north entrance to Klamouth National Forest on Highway 97. 1584 Comment
  RSA264944  Epilobium siskiyouense Gilbert Muth 1975-7-30 s.n. Siskiyou Near Kangaroo Mountain near Red Bluff. 1951 Comment
  UC922407  Epilobium siskiyouense Annie M. Alexander and Louise Kellogg 1949-7-29 5891 Siskiyou top of ridge above Sky High Lake; Marble Mountains, Sky High Valley 1920 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  UC637055  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou watershed of W Branch of Indian Creek (Happy Camp - Waldo (Oregon) Rd.); Klamath Nat'l Forest 1371 Comment
  RSA715774  Equisetum laevigatum L. Ahart, John Dittes 2005-6-10 12107 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  POM256462  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  SEINET10831618  Eragrostis mexicana subsp. virescens Henry M. Pollard 1956-10-7 Pollard s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  HSC29469  Eremogone congesta var. congesta Frederick W. Oettinger 1969-9-3 1621 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo ridge by trail crossing 2134 Comment
  CAS-BOT-BC286707  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou Near crest of peak above south-east end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  JEPS31333  Ericameria bloomeri Willis L. Jepson 1894-8-4 Siskiyou sw slope Mt. Shasta (Neil's Camp); Region of the Upper Sacramento, Mt. Shasta Comment
  UC1223100  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou near top, on road between Cecilville and Sawyer's Bar Blue Ridge 1584 Comment
  UC501626  Ericameria bloomeri Frank W. Peirson 1923-7-19 3890 Siskiyou w base Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  POM56931  Ericameria greenei E. B. Copeland 1903-9-8 2868 Siskiyou Mt. Eddy 1768 Comment
  UC637126  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1868 Comment
  SD98956  Ericameria nauseosa var. speciosa Darley F. Howe Oct 1977 Siskiyou Route 3, 7.7 miles south of Aetna. Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  HSC61779  Erigeron aliceae Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC69028  Erigeron aliceae Maralyn A. Renner 1980-7-28 2185 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC127574  Erigeron aliceae Harley P. Chandler 1901-6-1 1628 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  POM357569  Erigeron aliceae M. B. Dunkle 1944-7-18 9138 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  CAS-BOT-BC294497  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 179 Siskiyou Marble Mountain Wilderness Area Comment
  CHSC63595  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  UC1409465  Erigeron cervinus F. W. Oettinger 1968-8-23 608 Siskiyou rock-crevices on Shasta Ridge, se of Diamond Lake; Salmon Mts., English Peak area, Red Fir Forest 2072 Comment
  CAS-BOT-BC297109  Erigeron compositus Edward Stuhl 1928-8-6 s.n. Siskiyou Horse Camp, Mount Shasta 2438 Comment
  HSC39833  Erigeron compositus J. O. Sawyer 1969-7-9 1263 Siskiyou N slope of Grizzly Peak. 2378 Comment
  CAS-BOT-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  UC1483472  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-7 2426 Siskiyou ridge s Preston Peak; Preston Peak Quad. 1950 Comment
  HSC19477  Erigeron glacialis var. glacialis J. O. Sawyer 1969-9-12 2013 Siskiyou Hanging valley N of Wildcat Peak 2012 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
  CDA4952  Erigeron inornatus T. C. Fuller 1967-8-14 16258 Siskiyou Road to McCloud Reservoir, 2 miles south of McCloud. 0 Comment
  RSA0091003  Erigeron inornatus var. calidipetris Dean Wm. Taylor 2005-7-13 19396 Siskiyou Big Sand Flat (ca. 8 air miles N of Bartle on Highway 89), along Forest Road 40N17 road leaving SW corner of the flat. 1402 Comment
  HSC100277  Erigeron inornatus var. inornatus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13075 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  HSC2323  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mtn. 1067 Comment
  OBI55539  Erigeron inornatus var. inornatus David J. Keil, Kathleen Keil 1992-7-24 23565 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  SEINET515873  Erigeron inornatus var. inornatus Vernon H. Oswald 1998-9-8 9609 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
  RSA777991  Erigeron inornatus var. inornatus C. B. Wolf 1934-7-7 6031 Siskiyou 2 miles north of Shasta Springs 945 Comment
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  JEPS41523  Erigeron klamathensis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine 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
  HSC92619  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-6 2221 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  CAS-BOT-BC300087  Erigeron philadelphicus A. Eastwood 1921-7-30 s.n. Siskiyou Shasta Springs Comment
  JEPS41368  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-7-20 326 Siskiyou Humbug Creek Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA15653  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC255434  Eriogonum alpinum Peter H. Raven 1956-9-4 10405 Siskiyou South side of Mt. Eddy 2682 Comment
  HSC61800  Eriogonum compositum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC248811  Eriogonum compositum var. compositum William A. Dayton 1913-6-16 278 Siskiyou Shasta National Forest. E. slope, Scott Mt., near Callahan - Gazelle stage road 1524 Comment
  HSC49951  Eriogonum congdonii G. L. Clifton, Ground 1978-7-2 1800 Siskiyou Near Scott Mtn. Summit 1705 Comment
  HSC81549  Eriogonum congdonii Thomas W. Nelson, Jane P. Nelson 1980-7-21 6156 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  SEINET11937883  Eriogonum congdonii Unknown 1953-1 124 Siskiyou Blue Point, Scott Mt. Public Campground, Klamath Nat'l Forest 1631 Comment
  SEINET4855037  Eriogonum diclinum Louis C. Wheeler 1934-9-1 75542 Siskiyou Klamath Forest, Jaynes Canyon. 1951 Comment
  JEPS84297  Eriogonum douglasii var. douglasii L. R. Heckard with J. Hickman et al. 1986-7-17 6544 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  CHSC71591  Eriogonum elatum var. villosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 B Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  JEPS116875  Eriogonum hirtiflorum David Gowen 2007-7-12 780 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
  JEPS125891  Eriogonum libertini Dean W. Taylor Jun 181996 15694 Siskiyou Shasta Trinity National Forest; Scott Mountains, bordering Shasta Valley, hillslopes about 4 miles S of Gazelle. Comment
  LA206908  Eriogonum luteolum var. luteolum Louis C. Wheeler; 1934-6-28 2811 Siskiyou Siskiyou Mountains, Beaver Creek at West Fork 701 Comment
  RSA233650  Eriogonum maculatum Robert F. Thorne 1969-8-10 38985 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC86628  Eriogonum marifolium D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1829 Comment
  RSA393650  Eriogonum marifolium George B. Grant 1902-9-7 5091 Siskiyou Mt. Shasta 2439 Comment
  UC598749  Eriogonum marifolium C. Hart Merriam 1898-7-19 4 Siskiyou Mt. Shasta Comment
  HSC19505  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-7 1075 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC19506  Eriogonum nudum var. nudum J. O. Sawyer 1969-9-12 2005 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC98384  Eriogonum nudum var. nudum J. O. Sawyer 1968-7-23 579 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC375312  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou near Yreka Comment
  SD22512  Eriogonum nudum var. oblongifolium Susan G. Stokes July 14 Siskiyou Near Yreka Comment
  JEPS56649  Eriogonum nudum var. pubiflorum W. L. Jepson 1940-6-22 19978 Siskiyou near Hawkinsville; Shasta River 792 Comment
  UC637103  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou near Hamburg (s bank of the Klamath River between McKinney and Parkhouse Creeks); Klamath River 609 Comment
  UC1505835  Eriogonum pyrolifolium Robert T. Clausen and Harold Trapido 1940-7-27 4968 Siskiyou 3 mi nne summit of Mt. Shasta (w side of w fork of Mountainhouse Creek); So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2438 Comment
  CHSC102571  Eriogonum pyrolifolium var. pyrolifolium L. P. Janeway 2009-8-4 9905 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead along a small creeklet. 2783 Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  SEINET7459646 Image available Eriogonum sulphureum Unknown 1927-1 14443 Siskiyou 5 mi. S. of Yreka. The type region. Comment
  UC1483469  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2431 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  HSC66355  Eriogonum umbellatum Maralyn A. Renner 1980-7-24 2022 Siskiyou Lily Pad Lake 1768 Comment
  RSA463120  Eriogonum umbellatum 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
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  RSA237778  Eriogonum umbellatum var. argus Frederick W. Oettinger 1968-8-4 398 Siskiyou Ridge south of English Peak Lookout. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mtn Wilderness Area. 2226 Comment
  UC922357  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1949-7-29 5900 Siskiyou above Sky High L. (trail to Hidden L.); Marble Mountains, Sky High Valley 1767 Comment
  HSC43435  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-7 1328 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  HSC43436  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-6-30 1188 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  JEPS56219  Eriogonum umbellatum var. nelsoniorum W. L. Jepson 1937-7-30 18542 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat, Indian Creek 1584 Comment
Read comments
Sep 9 2008
  SEINET11938393  Eriogonum umbellatum var. polyanthum Unknown 1953-1 114 Siskiyou Scott Mountain Public Campound, Klamath National Forest 1631 Comment
  CAS-BOT-BC262374  Eriogonum vimineum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahans Comment
  RSA50196  Eriogonum vimineum E. K. Balls 1949-7-8 13908 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  UC164458  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Comment
  HSC96544  Eriophorum crinigerum Gordon Leppig 1997-7-25 586 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS83994  Eriophorum crinigerum L. R. Heckard with J. Hickman et al. 1986-7-17 6467 Siskiyou s Lily Pad Lake (trail up peak, ca 5 mi n of town of Seiad Valley); Kangaroo Peak 2011 Comment
  UC1108531  Eriophorum crinigerum Ira L. Wiggins 1955-7-27 13553 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC301111  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1934-4-20 34229 Siskiyou Shasta River, NE. of Yreka Comment
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  POM358072  Eriophyllum lanatum var. achilleoides L. C. Wheeler 1934-6-2 2618 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  UC144325  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301108  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou West of Yreka Comment
  CAS-BOT-BC301110  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the west base of Deer Mountain on U. S. Highway #97 Comment
  JEPS34745  Eriophyllum lanatum var. integrifolium Geo. D. Butler 1908-8-3 344 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 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
  CDA33631  Eriophyllum lanatum var. integrifolium R. A. Price 2010-7-3 1661 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  POM30802  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-29 1394 Siskiyou Humbug Mountain. 1220 Comment
  UC1483418  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-23 1840 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  UC195258  Eriophyllum lanatum var. lanceolatum Annie M. Alexander and Louise Kellogg 1911-7-16 254 Siskiyou S. Fk. Salmon River Comment
  RSA715954  Erodium cicutarium L. Ahart, John Dittes 2005-6-10 12058 Siskiyou On 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. 777 Comment
  UC375288  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-7-14 1049 Siskiyou Yreka, field near Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  CAS-BOT-BC55112  Erysimum perenne William Bridge Cooke 1938-8-24 11583 Siskiyou Mount Shasta. Near North Gate, west of Grey Butte. 2133 Comment
  CAS-BOT-BC55113  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-9 34218 Siskiyou Mount Shasta. Near McBride Springs in dry Cascade Gulch. 1524 Comment
  CAS-BOT-BC55115  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34275 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 2286 Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  SEINET3160627  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  CAS-BOT-BC403674  Eschscholzia californica Doris K. Kildale 1929-6-25 8368 Siskiyou 6 miles north of Klamath River at Hornbrook on Pacific Highway Comment
  JEPS41319  Eucephalus ledophyllus Ruby Van Deventer 1938-7-31 38 Siskiyou s of, sw of Poker Flat Lookout Mountain (Twin Valley Trail) 1219 Comment
  UCD77363  Eucephalus ledophyllus Robert E. Preston 2001-7-21 1705 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1920 Comment
Read comments
Nov 7 2014
  HSC68331  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-6-26 1238 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  UC1190257  Euonymus occidentalis var. occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch Comment
  CDA34223  Euphorbia oblongata Jodi Aceves 2010-8-3 PDR# 1414045 Siskiyou At Klamath River, upstream from Somesbar. 0 Comment
  CAS-BOT-BC310635  Eurybia radulina Alice Eastwood 1921-7-24 10786 Siskiyou Castle Lake 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
  CAS-BOT-BC413905  Fallopia convolvulus R. E. Frenkel 1964-7-14 682 Siskiyou On shoulder of Everitt Memorial Highway near Mount Shasta, 0.4 mile north of McCloud River RR crossing 1176 Comment
  CAS-BOT-BC94540  Festuca californica R. C. Wenk 2006-7-24 531 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  POM211393  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  CAS-BOT-BC278873  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC278876  Festuca occidentalis Alice Eastwood 1923-5-27 11951 Siskiyou Shasta Springs, on road to McCloud Comment
  HSC39910  Festuca occidentalis J. P. Smith, Steve Selva 1970-7-16 4400 Siskiyou Blue Mtn. Comment
  SEINET10559315  Festuca occidentalis A. Arthur Heller 1915-7-18 Heller 249 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. 1189 Comment
  UC651084  Festuca pratensis A. A. Heller 1915-8-24 12214 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 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
  UC1265442  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou e side Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC92060  Floerkea proserpinacoides Jennifer Whipple 1976-7-2 1282 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC454005  Fragaria vesca I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  CAS-BOT-BC437077  Fragaria vesca subsp. bracteata G. P. Rixford No date on label. s.n. Siskiyou Hilt Comment
  CAS-BOT-BC457569  Fragaria vesca subsp. californica Alice Eastwood 1923-5-27 11939 Siskiyou Shasta Springs Comment
  CHSC29777  Fragaria virginiana M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2783 Siskiyou Bog around Cedar Lake, at lake edge. 1737 Comment
  UC166619  Fragaria virginiana subsp. platypetala Geo. D. Butler 1910-5-10 1315 Siskiyou Goosenest foothills; Goosenest 1524 Comment
  CAS-BOT-BC53263  Frangula californica subsp. californica Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  HSC69738  Frangula californica subsp. californica Maralyn A. Renner 1980-6-26 1279 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC59978  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Forest: Klamath. Cottonwood Cr. 944 Comment
  CAS-BOT-BC60010  Frangula purshiana Wm. F. Herrin 1920-1-1 s.n. Siskiyou Shasta Springs. Comment
  SEINET10495780  Frasera albicaulis David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17939 Siskiyou 9 mi N of Weed, on US Hwy 97, at Whitney Creek. Sw-facing slope; volcanic (pumice) some sedimentary loamy soil; assoc. with Pinus ponderosa, Artmisia, Bromus, and Arctostaphylos. 1250 Comment
  JEPS116627  Fritillaria atropurpurea J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -11 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  JEPS61886  Fritillaria atropurpurea W. L. Jepson 1907-7-5 2831 Siskiyou Marble Mountain Comment
  CAS-BOT-BC502839  Fritillaria atropurpurea Lillian Mott 1976-7-4 3 OLM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  RSA237919  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 582 Siskiyou North end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  UC1076048  Fritillaria pudica Herbert L. Mason 1947-5-17 14778 Siskiyou summit of Scott Mountain grade Scott Mountain Comment
  HSC96831  Galium aparine S. Lyon 2006-6-3 3 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  JEPS93919  Galium bolanderi Vernon H. Oswald and Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  SBBG18847  Galium bolanderi C. B. Hardham 1961-7-2 8050 Siskiyou Scott River Comment
  UCD121615  Galium bolanderi J. P. Smith; Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River. 1127 Comment
  UCD121617  Galium boreale P. B. Schultz 1967-7-12 83 Siskiyou 8 miles north of Siskiyou-Shasta county line on State Highway 89. 1219 Comment
  POM253613  Galium glabrescens subsp. glabrescens C. Leo Hitchcock, J. S. Martin 1939-7-6 5228 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  JEPS25703  Galium parisiense P. C. Hutchison 1961-5-22 2038 Siskiyou 2.7 mi n Clear Creek (on hwy US 299, w side of river, 5.7 mi s of Happy Camp); Klamath River Comment
  HSC69745  Garrya buxifolia John Palmer 1980-7-23 571 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  CAS-BOT-BC182277  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  HSC27595  Garrya fremontii Carl W. Mize 1972-6-21 66 Siskiyou Along main trail 305 Comment
  RSA44064  Garrya fremontii W. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road. Comment
  RSA485909  Garrya fremontii G. Dahling 1973-06 1270 Siskiyou About 21.5 miles southwest of Cave Junction. Comment
  HSC27971  Gaultheria shallon Carl W. Mize 1972-9-23 109 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC19495  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-4 1879 Siskiyou S of S Sugar Lake 2104 Comment
  RSA68901  Gayophytum diffusum subsp. parviflorum A. E. Culbertson 1943-7-21 56 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi. S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts. 2000 ft. above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  UC1409236  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou on English Lake Trail above Willow Spring (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCR52565  Gayophytum heterozygum Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC19496  Gayophytum humile J. O. Sawyer 1969-8-1 1648 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC726664  Gayophytum humile A. A. Heller 1916-6-20 12409 Siskiyou Metcalf Ranch Mt. Eddy (ne base of mt.) 1188 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
  UC1122595  Gayophytum racemosum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Dorris Quadrangle Comment
  JEPS47720  Gayophytum ramosissimum W. B. and V. G. Cooke 1966-7-16 37219 Siskiyou above Bolam Station (along old road); Mt. Shasta 1524 Comment
  HSC91291  Gentiana newberryi Jennifer Whipple 1976-9-4 1792 Siskiyou Mt. Eddy, SW of Dobkins Lake along the drainage into the lake 2226 Comment
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC123769  Gentianella amarella subsp. acuta Copeland 1903-9-6 s.n. (= no. 3849 of C.F. Baker's distribution) Siskiyou Mt. Eddy Comment
  UCD102203  Gentianella amarella subsp. acuta Daniel Sanchez-Mata; Tomas Santamaria 2008-8-1 s.n. Siskiyou Stewarts Springs Road to Parks Road. 1720 Comment
  UC35458  Gentianopsis simplex W. C. Blasdale 1894-7-30 Siskiyou Sissons Comment
  HSC91280  Gentianopsis simplex Jennifer Whipple 1976-9-4 1791 Siskiyou Mt. Eddy, SW of Dobkins Lake along the drainage into the lake 2226 Comment
  CAS-BOT-BC459624  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  JEPS60241  Geum triflorum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2301 Siskiyou 0.8 mi s Bray junction (on U.S. Hwy 97, Murphy Wells); Murphy Wells 1493 Comment
  UC375378  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  JEPS98787  Gilia Sue Pappalardo 1993-7-19 504 A Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  HSC27596  Gilia capitata Carl W. Mize 1972-6-21 61 Siskiyou 0.25 mi. from main rd. 274 Comment
  RSA237953  Gilia capitata Frederick W. Oettinger 1968-9-3 675 Siskiyou Western bank of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1791 Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC1409305  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Red Hill n Hancock Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  RSA582093  Glyceria L. C. Wheeler 1934-6-14 2710 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  SBBG29118  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Crk 838 Comment
  CAS-BOT-BC282719  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  HSC101471  Glyceria elata J. P. Smith, J. O. Sawyer 2011-7-21 13037 Siskiyou Near Dillon Camp 1358 Comment
  CAS-BOT-BC282849  Glyceria striata Doris K. Kildale 1929-7-21 8752 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  UC1608322  Glyceria striata J. Kierstead 1990-8-23 90 -138 Siskiyou Cold Creek Shasta-Trinity National Forests, Mt. Shasta (e slope of Mt. Shasta, McCloud Ranger Dist) 1615 Comment
  HSC77418  Gnaphalium palustre L. P. Janeway 1983-9-11 664 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  HSC29161  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Marble Mtn. Widerness Area, Dry Lake 2027 Comment
  JEPS34001  Gnaphalium palustre George D. Butler 1908-7-16 314 Siskiyou Klamath River near Anderson's Ferry; Klamath River Comment
  RSA150572  Goodyera oblongifolia Lee W. Lenz 1961-6-22 24362 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  SJSU3570  Grindelia nana G. R. Ostrander 1965-7-14 78 Siskiyou by state Rte 89, 10 mi E of McCloud 1219 Comment
  UCR93354  Hackelia californica Kathy Harper, D. Karr 1994-6-15 s.n. Siskiyou State Hwy 89 about 5 mi west of Bartle 1159 Comment
  HSC86549  Hackelia californica D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar; N of Haypress Meadow 1372 Comment
  UCD18306  Hackelia californica Joe Ditomaso 2001-6-12 s.n. Siskiyou Buck Mtn., near McCloud, off Pilgrim Creek Rd. 1828 Comment
  CAS-BOT-BC94460  Hackelia micrantha R. C. Wenk 2005-7-19 317 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  HSC29348  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Marble Mtn. Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  UC429302  Hastingsia alba Annie M. Alexander and Louise Kellogg 1911-6-13 120 Siskiyou 6 mi nw Callahan Comment
  UC569476  Hastingsia alba H. S. Yates 1936-6-21 5882 Siskiyou 1 mi se Gazelle; Etna Quad. 792 Comment
  CAS-BOT-BC504617  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Klamath Forest, Soda Creek 1524 Comment
  CAS-BOT-BC504623  Hastingsia alba Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CHSC118632  Hastingsia serpentinicola Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -007 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  RSA237499  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Above Horse's Hole near Horse Range Lake . The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC892017  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Mt. Diablo Mer Siskiyou Mts., Condrey Mt. 2164 Comment
  JEPS16962  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of the Sacramento River 2194 Comment
  SEINET10758262  Helenium bigelovii Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26). T39N R5W S16. 1441 Comment
  POM66661  Helenium bigelovii Geo D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek. Comment
  JEPS872  Helianthella californica subsp. californica Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River North Coast Ranges 426 Comment
  UC1076043  Helianthella californica subsp. nevadensis Herbert L. Mason 1947-5-17 14761 Siskiyou on Scott Mountain Road five mi s Callahan Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  UCD132901  Helianthus bolanderi Morris Halperin 1930-7-11 s.n. Siskiyou Along main highway, between Montague and Yreka. Comment
  JEPS67982  Heliotropium curassavicum Geo. D. Butler 1909-6-23 942 Siskiyou 2 mi. e. Montague Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  POM30673  Hemizonia fitchii Geo D. Butler 1910-7-31 1805 Siskiyou Near Yreka. Comment
  CHSC71488  Hesperolinon micranthum Vernon H. Oswald; Lowell Ahart 1998-7-21 9315 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC29091  Heterocodon rariflorum Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
Read comments
Sep 4 2007
  SEINET10460606  Heterocodon rariflorum Willis L. Jepson Jepson 20116 Siskiyou BIG BEAR FLAT 5 MI SE OF BARTLE Comment
  CAS-BOT-BC311092  Heterotheca oregona var. rudis Louis C. Wheeler 1934-9-15 3265 Siskiyou Klamath National Forest. Walker 518 Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  UC1557835  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-15 8462 Siskiyou w end Fort Jones (on CA-3 (about #600 Main St.)) 853 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  HSC61971  Heuchera merriamii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  HSC64836  Heuchera micrantha J. P. Smith, Steve Selva 1970-6-14 3880 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 Comment
  CAS-BOT-BC319695  Hieracium albiflorum Alice Eastwood 1921-7-30 10995 Siskiyou Soda Creek Comment
  UC637125  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou watershed of West Branch of Indian Creek, Happy camp to Waldo (Oregon) road Klamath National Forest 1463 Comment
  RSA215623  Hieracium greenei Gilbert Muth 1969-8-7 1268 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC375382  Holodiscus discolor Geo. D. Butler 1908-7-12 1100 Siskiyou Humbug Mountain Comment
  SD61022  Holodiscus discolor var. glabrescens Darley F. Howe 1964-8-4 Siskiyou Dry hillside. 9 mi. south of Lava Bed Nat. Monument on road to Medicine Lake, Modoc 2042 Comment
  CAS-BOT-BC150142  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-5 9337 a Siskiyou Lyons road, north boundary of Lava Beds National Monument Comment
  HSC26577  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow 2012 Comment
  SDSU9087  Holodiscus microphyllus var. glabrescens D. F. Howe 1964-8-4 3933 Siskiyou Probably Modoc or Shasta National Forest., 9.0 miles from entrance to Lava Bed National Monument. 2042 Comment
  CAS-BOT-BC388567  Holosteum umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada 822 Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  CAS-BOT-BC284741  Hordeum jubatum Verne Grant; Irving Schneider 1947-8-26 8302 Siskiyou By Interstate Highway, Lower Klamath Lake Comment
  HSC91101  Hordeum murinum subsp. leporinum J. P. Smith 1973-5-5 6547 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC143959  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  UC618833  Horkelia fusca subsp. parviflora W. Bridge Cooke 1938-7-15 11229 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  UCD77781  Horkelia fusca subsp. parviflora Robert E. Preston 2001-7-21 1702 Siskiyou Klamath National Forest, near south end of Antelope Creek Meadow, T42N R1W ne 1/4 Section 12 1633 Comment
  RSA451645  Horkelia fusca subsp. pseudocapitata E. Yale Dawson 1948-7-16 5099 c Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  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
  RSA31651  Horkelia fusca var. brownii A. A. Heller 1938-7-12 15258 Siskiyou Flat place near the summit of Deer Mtn on the Hwy 97. 1738 Comment
  HSC27406  Horkelia fusca var. parviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19533 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  SJSU6484  Horkelia fusca var. parviflora R. W. Trivelpiece 1972-6-9 98 Siskiyou c. 4 mi E of Grass L 1524 Comment
  CAS-BOT-BC539437  Horkelia tridentata var. tridentata Wm. F. Herrin; L. E. Smith 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  HSC69051  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-8-6 2307 Siskiyou Cracker Meadow 1555 Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  SBBG30555  Hosackia oblongifolia var. oblongifolia D. Myrick 1968-6-29 2057 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  JEPS16952  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou summit Mount Eddy 2758 Comment
  JEPS79757  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  SEINET10475155  Hulsea nana Mary Susan Taylor 1980-8-19 Taylor 3265 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  SEINET5500028  Hydrophyllum capitatum var. alpinum G. D. Butler 1910-5-10 1324 Siskiyou Bulls Meadows, Goosnest Mountain 1676 Comment
  SEINET3156130  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  UC585172  Hydrophyllum occidentale E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2003 Siskiyou 1.5 mi w Mt. Shasta City (above Sulloway Creek, spur of Rainbow Ridge, e and ne slope); Rainbow Ridge 1188 Comment
  UC666569  Hydrophyllum occidentale A. A. Beetle with G. L. Stebbins Jr. 1942-6-1 3418 Siskiyou 5 mi w Gazelle (canyon n of Willow Creek) Comment
  RSA211320  Hydrophyllum occidentale William J. Ferlatte 1966-6-22 90 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  POM211776  Hymenoxys lemmonii L. C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  JEPS5827  Idahoa scapigera J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  POM211385  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  UC166054  Idahoa scapigera Geo. D. Butler 1910-3-21 1136 Siskiyou near Yreka Comment
  CDA35743  Iliamna bakeri D. H. Shaw 1971-8-4 Siskiyou Spring Hill, Mt. Shasta. 0 Comment
  CAS-BOT-BC94923  Ipomopsis aggregata R. C. Wenk 2005-7-19 340 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  UCD77784  Ipomopsis aggregata Robert E. Preston 2002-7-12 1910 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  UC1409307  Ipomopsis aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Pine Trail Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  HSC92773  Ipomopsis aggregata subsp. aggregata Jennifer Whipple 1976-7-9 1391 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  JEPS799  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1940-6-27 20050 Siskiyou e slope Mt. Shasta 1676 Comment
  HSC77019  Ipomopsis congesta K. T. Stillman 1976-6-25 58 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC1540153  Ipomopsis congesta subsp. palmifrons Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9252 Siskiyou Caldwell Butte Lava Beds National Monument (on crater floor at n interior) 1499 Comment
  POM258031  Iris bracteata C. L. Hitchcock 1939-7-7 5270 Siskiyou Sanger Peak Trail, CA. 13 miles south of Takilma, Oregon 1067 Comment
  JEPS17220  Iris chrysophylla J. W. Blankinship 1909-11-6 Siskiyou Dunsmuir Comment
  SEINET4898742  Iris chrysophylla J. Seely s.n. Siskiyou Klamath National Forest Comment
  SEINET4170699  Iris hartwegii C. L. Hitchcock, J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail , ca. 13 miles south of Takilma , Oregon 1067 Comment
  UC127335  Iris missouriensis H. M. Hall and E. B. Babcock 1903-6-18 4140 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  RSA366842  Iris missouriensis Christopher Davidson 1975-6-5 2667 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
  SD88327  Iris missouriensis Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  CAS-BOT-BC133695  Iris tenax Gail Newton 1980-6-20 438 Siskiyou Near Bald Mountain 1096 Comment
  CHSC32704  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  HSC47618  Isatis tinctoria J. P. Smith 1977-5-15 9071 Siskiyou Rd. 8, 1 mi. from junction with Hwy. 3 Comment
  SD98938  Isatis tinctoria Darley F. Howe 1977-7-2 4983 Siskiyou 7.0 miles west of Fort Jones. 669 Comment
  SEINET13762155 Image available Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Roadside and hillslope, Greenhorn Creek, 1.5 mi. W. Yreka Comment
  UC371167  Isoetes bolanderi G. D. Butler 1908-8-4 255 Siskiyou head of Shackelford Creek 1524 Comment
  CAS-BOT-BC69856  Isoetes occidentalis Charlotte K. Glenn 1967-9-6 201 Siskiyou Castle Lake; Siskiyou Mts. 1584 Comment
  HSC76668  Ivesia gordonii var. alpicola K. T. Stillman 1976-7-22 288 Siskiyou Marble Mtn. Wilderness Area Comment
  SEINET8463956  Ivesia pickeringii D. W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains, West Fork Parks Creek (about 15 air miles West of Stewart Springs) Shasta-Trinity National Forest 1329 Comment
  UC114527  Ivesia pickeringii T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  CDA39574  Juglans hindsii D. H. Shaw &Q. L. Holdeman 1977-9-26 s.n. Siskiyou Klamath River Lodge, Klamath River. 0 Comment
  CAS-BOT-BC110022  Juncus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan. 1066 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  UC618744  Juncus balticus unknown 1938-9-8 11660 Siskiyou Squaw Creek Meadows lower, in the largest meadow Mount Shasta, Squaw Creek Meadows Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  UC1601866  Juncus ensifolius W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  UC421842  Juncus ensifolius Geo. B. Grant Sep 1902 5229 Siskiyou Horse Camp Mount Shasta 2438 Comment
  HSC60812  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCD141524  Juncus ensifolius A. A. Heller 1920-8-11 13492 Siskiyou Sisson. 1079 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  HSC96562  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-10 375 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC127619  Juncus mertensianus W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Camp) Craggy Peak. 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
  JEPS100751  Juncus nevadensis Dean W. Taylor 1997-6-12 16060 Siskiyou mouth of Willow Creek (ca. 4 miles west of Gazelle); Scott Mountains; hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  JEPS91255  Juncus orthophyllus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9871 Siskiyou ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Abobe Flat 1097 Comment
  UC618859  Juncus orthophyllus unknown 1938-8-18 11470 Siskiyou Horse Camp Springs, along the Summit Trail Mount Shasta 2514 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
  HSC4852  Juniperus communis var. jackii J. O. Sawyer 1968-7-23 591 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  SBBG18884  Juniperus grandis F. E. Clements 1918-1 Siskiyou 6 mi from Yreka Comment
  CAS-BOT-BC81223  Juniperus occidentalis Anderson 1925-10-1 s.n. Siskiyou 10 miles north of Edgewood Comment
  CHSC75660  Juniperus occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. On road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  CAS-BOT-BC56358  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  LA41201  Kalmia polifolia Wm. Bridge Cooke; 1938-9-8 11668 Siskiyou Mount Shasta, upper Heather Meadows along Squaw Valley Creek 2438 Comment
  HSC42896  Keckiella lemmonii Ken Stillman 1976-8-15 406 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UCSB24792  Keckiella lemmonii Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass north of Seiad Valley 1524 Comment
  HSC82202  Kelloggia galioides Thomas W. Nelson, Jane P. Nelson 1980-7-5 5967 Siskiyou Fowler's Campground 1006 Comment
  RSA82883  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Beside Hwy 89. 7.5 miles E of McCloud. Comment
  CHSC86623  Koeleria macrantha Jenny Marr 1993-7-1 6 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA17727  Koeleria macrantha Elmer I. Applegate 1935-6-8 9435 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  UCD86007  Koeleria macrantha L. Whitney 1934-6-29 2293 Siskiyou Tennant. 1524 Comment
  CAS-BOT-BC499654  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  UC1190134  Kopsiopsis strobilacea Ira L. Wiggins 1955-7-23 13479 Siskiyou Ridge west of China Creek. Comment
  CAS-BOT-BC341705  Lagophylla ramosissima Margaret M. Hanna 1958-6-22 s.n. Siskiyou 18 miles east of Redding Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  CHSC63597  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6454 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. Roadside. 1097 Comment
  RSA215847  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek, Siskiyou Mts, Mt. Diablo Mer. 1006 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  RSA78689  Lathyrus P. A. Munz 1952-7-2 17878 Siskiyou Road to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1463 Comment
  SEINET3131408  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  RSA48211  Lathyrus lanszwertii var. brownii Roxana S. Ferris, Laura Lorraine 1948-6-12 11828 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  UCD106389  Lathyrus nevadensis Alfred H. Murphy 1961-7-19 61 F Siskiyou Marble Mtns. Klamath National Forest, Sky High Valley, north end. 1584 Comment
  POM29213  Lathyrus pauciflorus subsp. brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain. Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  HSC39994  Lathyrus tracyi J. P. Smith 1973-5-5 6517 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA238362  Ledum glandulosum var. californicum Frederick W. Oettinger 1968-8-2 349 Siskiyou S & W sides of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC2191  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River. 518 Comment
  RSA299472  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Weed lots of Etna. 793 Comment
  CAS-BOT-BC88925  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  JEPS53649  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Grenada Station Comment
  NY76303  Lepidium montanum subsp. canescens A. A. Heller 1928-6-9 14610 Siskiyou Along the railroad between Gazelle and Grenada in the Shasta Valley Comment
  CAS-BOT-BC12835  Lepidium perfoliatum A. A. Heller 1928-6-9 14609 Siskiyou Near Gazelle. In the Shasta Valley, a treeless region first noticed here in 1925. Comment
  CHSC114921  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. Comment
  CAS-BOT-BC12997  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  JEPS88951  Lepidium virginicum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  SEINET14160959  Leptosiphon bolanderi D. W. Taylor 2003-5-21 18579 Siskiyou Mount Shasta, Weed ca. 2 miles west of downtown, situated just south of Interstate 5, 1.6 miles west from the North Weed exit, Shasta National Forest. 982 Comment
  HSC78250  Leptosiphon harknessii L. P. Janeway 1983-7-31 475 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  HSC30429  Leptosiphon harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  POM298649  Lesquerella occidentalis Lincoln Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  RSA183657  Lesquerella occidentalis Gilbert Muth 1965-8-12 219 Siskiyou Behind Black Mtn, Marble Mtns. Comment
  JEPS20613  Lessingia nemaclada W. L. Jepson 1907-7-25 2960 Siskiyou Scott Valley Comment
  SD53408  Lessingia nemaclada Darley F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96 519 Comment
  UC165403  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  CHSC33044  Lessingia ramulosa J. O. Sawyer Jr.; James Payne Smith Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch, roadside. Comment
Read comments
Sep 15 2015
  CAS-BOT-BC58261  Leucothoe davisiae Doris K. Kildale 1928-8-19 6571 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  HSC96499  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC4868  Lewisia cotyledon J. O. Sawyer 1968-9-9 665 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA237464  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 746 Siskiyou Ridge trail E of Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC68543  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-6-24 1077 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC444083  Lewisia leeana Doris K. Kildale 1928-7-4 5525 Siskiyou Summit of divide between Salmon River & Scott Valley Comment
  UC1045300  Lewisia pygmaea W. B. Cooke 1940-8-22 15484 Siskiyou Squaw Valley Creek meadows Mount Shasta, Squaw Valley Creek Comment
  CDA15521  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 1 of 2 Comment
  HSC69402  Ligusticum californicum Maralyn A. Renner 1980-8-8 2437 Siskiyou Rattlesnake Meadow 1646 Comment
  UCD77824  Ligusticum grayi Robert E. Preston 2001-7-21 1727 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  CAS-BOT-BC509383  Lilium kelleyanum John Thomas Howell 1937-7-21 13191 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC509386  Lilium kelleyanum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house. 1341 Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  UCSB22058  Lilium pardalinum Keefe, Joseph 1967-7-11 Siskiyou North edge of the town of Mt. Shasta 1085 Comment
  RSA12670  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  CAS-BOT-BC133025  Lilium washingtonianum subsp. purpurascens G. P. Rixford s.n. Siskiyou Hilt Comment
  HSC77518  Lilium washingtonianum subsp. purpurascens L. P. Janeway 1983-6-25 333 Siskiyou NE facing slope above Indian Creek and below dirt rd. 0.5 mi. N of W Branch USFS Station 671 Comment
  HSC76660  Lilium washingtonianum subsp. washingtonianum K. T. Stillman 1976-7-22 291 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA600380  Limnanthes alba Louis C. Wheeler 1935-5-18 3501 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  JEPS58444  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  CDA6304  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-3 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just east of Rock School Road. 0 Comment
  CAS-BOT-BC240385  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  RSA105458  Linum lewisii M. S. Baker 1955-6-27 13084 Siskiyou Hwy. 99, 4 mi. S of Gazelle. 915 Comment
  CAS-BOT-BC36544  Lithocarpus densiflorus var. echinoides P. C. Everett; E. K. Balls 1954-10-10 20262 Siskiyou road to Castle Lake from town to Mt. Shasta, 0.5 mi s. of jct to Ney Springs 1127 Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  UC1222383  Lithophragma campanulatum Joseph P. Tracy 1951-6-16 19485 Siskiyou near State line summit of the Siskiyous at crossing Takilma-Happy Camp Road; summit of the Siskiyous Comment
  UCSB13237  Lithospermum californicum Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  RSA592535  Lomatium californicum S. O. Mattoon, Ken Hansen 1978-6-16 4 Siskiyou Humbug Creek, 3 miles S of Klamath River, north slopes of Scott Bar Mountains 640 Comment
  HSC29158  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, Hancock Lake 1951 Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  HSC22243  Lomatium macrocarpum J. O. Sawyer 1969-7-9 1250 Siskiyou W facing slope above Bingham Lake 2317 Comment
  UC165425  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou hills near Yreka Comment
  UC165426  Lomatium macrocarpum Geo. D. Butler 1909-5-9 744 Siskiyou hills near Yreka Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  JEPS25670  Lomatium macrocarpum Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7313 Siskiyou jeep rd. between Poker Flat and Twin Valley (ridge top marking Del Norte-Siskiyou Co. boundary); Siskiyou Mts., Del Norte-Siskiyou Co. boundary 1664 Comment
  SD98968  Lomatium marginatum Darley F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada 1220 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
  CAS-BOT-BC217792  Lomatium peckianum Alice Eastwood; John Thomas Howell 1934-4-20 1785 Siskiyou 4 miles N. of Weed Comment
  UC640623  Lomatium peckianum Alice Eastwood and John Thomas Howell 1934-4-20 1785 Siskiyou 4 mi. n. Weed Comment
  JEPS17002  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou Yreka Comment
  UC195242  Lonicera conjugialis Annie M. Alexander and L. Kellogg 1911-6-26 127 Siskiyou Jackson Lake 1798 Comment
  RSA150569  Lonicera conjugialis Lee W. Lenz 1961-6-23 24363 Siskiyou Summit of Siskiyou Mts., road from Happy Camp and O'Brien. Comment
  HSC65084  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3885 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  HSC65101  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3868 Siskiyou Comment
  UC1045270  Lonicera interrupta W. Bridge Cooke 1940-6-20 15161 Siskiyou along the Pacific Highway Klamath River Gorge Comment
  CAS-BOT-BC243923  Lonicera involucrata var. involucrata Geo. D. Butler 1910-7-9 1700 Siskiyou Margin of Shackleford Creek 1219 Comment
  JEPS55465  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  SEINET7042842  Lotus incanus A. G. Jones 1955-5-17 s.n. Siskiyou A serpentine unatanable mountain slope, ca. 3500 feet elevation 6.5 miles sputhwest of Yreka on Route 3. Yreka quadrangle UTM Zone 10, 523738mE, 4613250mN. 1066 Comment
  JEPS95289  Lotus pinnatus Vernon H. Oswald and L. Ahart 1994-7-11 6401 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir 1783 Comment
  UC725960  Lotus purshianus var. purshianus A. A. Heller 1925-7-21 13899 Siskiyou near Edgewood; Shasta Valley Comment
  UC75216  Lotus purshianus var. purshianus Copeland 1903-7-6 3495 Siskiyou Hornbrook Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  CAS-BOT-BC140208  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-22 5838 Siskiyou On trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  CAS-BOT-BC140210  Luetkea pectinata R. F. Thorne; Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  RSA451617  Luetkea pectinata M. B. Dunkle 1945-8-2 9279 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC342564  Luina hypoleuca Philip A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans 182 Comment
  HSC73995  Lupinus albicaulis Gail Newton 1980-6-20 511 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS116628  Lupinus albicaulis J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -12 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  JEPS85697  Lupinus albicaulis Geo. D. Butler 1909-6-23 913 Siskiyou Goose Nest Comment
  POM26756  Lupinus albicaulis var. shastensis Geo. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley. Comment
  HSC14927  Lupinus albifrons R. Spellenberg 1964-6-20 486 Siskiyou 10 mi. NE of Weed, Hwy. 97. Comment
  HSC43827  Lupinus albifrons Maralyn O'Meara 1974-5-27 483 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC195967  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47204 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  UC173902  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-2 1268 Siskiyou dry land around Yreka; dry land around Yreka Comment
Read comments
May 16 2007
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  HSC27655  Lupinus andersonii Carl W. Mize 1972-6-8 8 Siskiyou 351 Comment
  SEINET10871218  Lupinus arbustus subsp. silvicola Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 688 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight se facing Slope; assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  UC1303128  Lupinus argenteus A. A. Heller 1928-6-9 14607 Siskiyou near the creamery at Montague Montague Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  CAS-BOT-BC215181  Lupinus croceus Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy 2529 Comment
  CAS-BOT-BC215192  Lupinus croceus Doris K. Kildale 1928-7-2 5343 Siskiyou Salmon Summit Trail, Horn Creek Trail 1981 Comment
  CAS-BOT-BC215200  Lupinus croceus John Thomas Howell 1937-7-29 13667 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  UC1090384  Lupinus croceus Milo S. Baker 1957-6-16 13146 Siskiyou Forested Canyon rd side North Coast Ranges 1219 Comment
  UC157008  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  HSC82558  Lupinus lapidicola Thomas W. Nelson, Jane P. Nelson 1979-5-26 4721 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  NY15921  Lupinus lapidicola A. A. Heller 1920-7-9 13422 Siskiyou Near the little lake above the head of Wagon creek, Mt. Eddy....in the Hudsonian zone 2590.8 Comment
  SEINET10577542 Image available Lupinus lapidicola A. Arthur Heller 1920-7-9 Heller 13422 Siskiyou High up on the bare eastern slope of Mt. Eddy in coarse gravel. Hudsonian zone, the trees of Pinus albicaulis few and scattered. Comment
  HSC31141  Lupinus latifolius subsp. latifolius J. O. Sawyer 1971-8-19 2457 Siskiyou 2012 Comment
  HSC63293  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, .8 k. SE of Tickner (Peak) 2100 Comment
  JEPS86069  Lupinus lepidus var. sellulus Wayne Roderick 1966-6-26 Siskiyou just e Cook and Green Pass; e of Cook and Green Pass area 1371 Comment
  UC1332444  Lupinus lepidus var. sellulus Ralph K. Gierisch 1968-8-6 3366 Siskiyou Elk Flat; Shasta-Trinity National Forest, Elk Flat 1310 Comment
  SBBG15740  Lupinus leucophyllus D. Myrick 1961-6-21 314 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1737 Comment
  HSC41182  Lupinus leucophyllus John Rehling 1976-5-29 406 Siskiyou Near Etna in Scott Valley. Comment
  RSA414436  Lupinus leucophyllus M. B. Dunkle 1944-7-15 9096 Siskiyou Siskiyou Nat'l Forest Comment
  UCD107955  Lupinus leucophyllus Freed W. Hoffman 1948-7-8 2417 Siskiyou Scott Bar Lodge, Scott River. Comment
  UC157000  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou near Yreka; near Yreka Comment
  HSC45900  Lupinus luteolus Laura Witherspoon 1978-8-24 107 Siskiyou Klamath National Forest 1646 Comment
  RSA52463  Lupinus nanus var. apricus Dorothy Parker 1948-4-21 s.n. Siskiyou Callahan 952 Comment
  SEINET10450723  Lupinus obtusilobus Thorne 1969-8-10 THORNE 38990 Siskiyou Mt. Shasta national forest. S slope of mt shasta. At base of boulders of dry, Sunny, volcanic slopes above the ski-lodge. 2408 Comment
  CDA27472  Lupinus onustus T. C. Fuller 1974-9-24 20020 Siskiyou Reeves Ranch Spring, south slope of the Siskiyou Mountains. 0 Comment
  CDA27572  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  UC157014  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  SEINET10451480  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7256 Siskiyou Siskiyou-Trinity County line. Along west side of Forest Service Road 42N17 at summit above Daed Fall Meadow. Dry serpentine hillside. 2073 Comment
  RSA50195  Lupinus sellulus var. artulus E. K. Balls 1949-7-8 13909 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  UC1223256  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (Del Norte County) in Flint Valley 1432 Comment
  CAS-BOT-BC7539  Lupinus ursinus Alice Eastwood 1912-8-30 2018 Siskiyou Mount Eddy Comment
  CAS-BOT-BC436602  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC436699  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC436707  Luzula comosa var. laxa Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Hwy. 96, between Ridge and Humbug roads 1371 Comment
  HSC288  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Caribou Basin, ridge W of Big Caribou Lake, Sawtooth Ridge 2134 Comment
  HSC36660  Lysichiton americanus Brent Whiteley 1975-6-29 105 Siskiyou 976 Comment
  RSA605516  Lysichiton americanus L. C. Wheeler 1959-7-25 7592 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  HSC74925  Lythrum hyssopifolia J. P. Smith 1978-7-1 9960 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  POM362225  Madia bolanderi L. C. Wheeler 1934-8-10 3103 Siskiyou Siskiyou Mountains: Dead Cow Creek 1829 Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  HSC26750  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4827 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC67034  Madia elegans J. P. Smith, Steve Selva 1970-6-15 3906 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC73949  Madia elegans T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC344006  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Cr. 914 Comment
  CDA8243  Madia exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2773 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  HSC36815  Madia gracilis J. P. Smith 1974-5-27 7619 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC334707  Madia gracilis G. R. Kleeberger 1880-7-9 s.n. Siskiyou Mt. Bally 1524 Comment
  OBI58649  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
  RSA0034413  Madia gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  UCR39792  Madia gracilis subsp. gracilis L. P. Janeway 1983-9-23 691 Siskiyou at Poker Flat 1524 Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  RSA377698  Maianthemum racemosum M. B. Dunkle 1944-7-7 9082 Siskiyou Siskiyou National Forest Comment
  RSA120635  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-8-1 323 Siskiyou Klamath Mountains: Summit of Mt. Bolivar 2470 Comment
  RSA105431  Maianthemum racemosum subsp. amplexicaule Milo S. Baker 1955-7-4 91 Siskiyou Klamath Mountains: 11 miles south of Etna on the North Fork of French Creek, about 1000 from Parrot Mill Rd. 976 Comment
  RSA377693  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass road. Comment
  RSA377706  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  RSA211116  Malva neglecta W. J. Ferlatte 1966-8-3 261 Siskiyou Siskiyou Co., Mountain Meadow Ranch 1524 Comment
  UCR143037  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mtns., Shasta River, 2 miles below Yreka Creek 671 Comment
  UC1157302  Melica aristata W. Bridge Cooke and V. G. Cooke 1966-7-17 37251 Siskiyou Widow Springs Mt. Shasta (Mt. Shasta) 1524 Comment
  UC673173  Melica californica Lincoln Constance and Reed C. Rollins 1942-5-14 2934 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  CAS-BOT-BC282072  Melica fugax L. P. Janeway 1983-8-28 630 Siskiyou Siskiyou Mountains: at Poker Flat, W side of the lower part of the meadow 1524 Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  SEINET8880644 Image available Mertensia ciliata Unknown 1991-5-30 Siskiyou Klamath National Forest; West branch, a Forest Service campground; 2200 feet. Comment
  CAS-BOT-BC322659  Microseris laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  HSC27506  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC76976  Microsteris gracilis K. T. Stillman 1976-6-25 43 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC60799  Mimulus breweri Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  HSC61898  Mimulus breweri Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  RSA237540  Mimulus breweri Frederick W. Oettinger 1967-8-20 296 Siskiyou Stream about 100 yards below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  POM43687  Mimulus floribundus Edward Palmer 1892-7-13 2453 Siskiyou Mt. Shasta and vicinity. Comment
  UC609342  Mimulus guttatus Eleanor Burks Hart 1938-8-25 947 Siskiyou Upper Wright Lake 2225 Comment
  LA209361  Mimulus guttatus W. B. C.; 1938-8-19 11526 Siskiyou Mount Shasta, Along the lower Bear Spring Creek 1523 Comment
  RSA447946  Mimulus guttatus M. B. Dunkle 1944-6-25 9005 Siskiyou Siskiyou National Forest. 1677 Comment
  UC1409387  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou near Horse Range Lake (n side of Horse's Hole); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC164274  Mimulus inodorus Geo. D. Butler 1908-8-24 448 Siskiyou Eldredge's Corral Russian Creek Comment
  HSC34312  Mimulus lewisii J. P. Smith, J. O. Sawyer 1973-8-15 7325 Siskiyou N of Angel Lake 2012 Comment
  UC1034004  Mimulus microphyllus Francis W. Pennell Jul 16 1940-Jul 17 1940 26163 Siskiyou 5 mi sw yreka 914 Comment
  HSC445  Mimulus moschatus William J. Ferlatte 1967-8-22 1104 Siskiyou Kidd Creek Trail 1951 Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  UCD122797  Mimulus moschatus Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou near head of Canyon Creek, east of Marble Mountain, Marble Mountains. 1645 Comment
  UC445195  Mimulus nanus var. jepsonii Milo S. Baker Aug. 1896 125 Siskiyou near Medicine Lake Comment
  UC1063560  Mimulus nanus var. nanus M. H. Mitchell 1936-5-22 51 Siskiyou Black Crater Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  HSC444  Mimulus nanus var. nanus William J. Ferlatte 1966-6-23 137 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  UC1409385  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou near Tom's Lake (Bear Meadow, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2179 Comment
  POM5108  Mimulus primuloides var. linearifolius E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy. 2287 Comment
  UCD122891  Mimulus primuloides var. linearifolius Dean William Taylor 1972-7-3 1603 Siskiyou At Cook and Green Pass. 1371 Comment
  UC922334  Mimulus tilingii var. corallinus Annie M. Alexander and Louise Kellogg 1949-7-22 5833 Siskiyou edge of small stream which arises from spring at lower end of Paradise Lake; Marble Mountains, Paradise Lake 2072 Comment
  POM208272  Minuartia nuttallii subsp. gregaria L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  CAS-BOT-BC181159  Minuartia rubella John Thomas Howell 1939-8-8 15171 Siskiyou Black Mt., Marble Mts. Comment
  HSC90442  Minuartia stolonifera Thomas W. Nelson, Jane Nelson 1985-6-19 7839 Siskiyou Along S side of Hwy. 3, 3.1 mi. N of Scott Mtn. Pass 1220 Comment
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  UC1045284  Mirabilis greenei W. Bridge Cooke 1940-6-20 15155 Siskiyou Klamath River Gorge along Pacific Hwy Klamath River Gorge Comment
  UC1459329  Mirabilis greenei George E. Pilz 1973-5-26 998 Siskiyou along Klamath River (1 mi w of Interstate Rte 5, along CA Rte 96) 700 Comment
  CAS-BOT-BC433018  Mitella diversifolia Antone Q. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  HSC86449  Mitella diversifolia D. K. Imper 1987-6-5 Siskiyou Marble Mtn. Wilderness Area, 8 mi. E of Somes Bar 1372 Comment
  HSC61890  Mitella pentandra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC433077  Mitella trifida T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1066 Comment
  UC637056  Mitella trifida Edward Lee 1934-8-13 1082 Siskiyou Happy Camp-Waldo (Oregon) Road Klamath Nat. For., West Branch of Indian Creek watershed 1463 Comment
  RSA238328  Mitella trifida Frederick W. Oettinger 1969-8-12 1346 Siskiyou Below Abbotts Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  RSA468285  Mitella trifida M. B. Dunkle 1944-6-26 9054 Siskiyou Deer Creek. 1829 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  CAS-BOT-BC220368  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-8 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  CAS-BOT-BC222165  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1950 Comment
  LA54285  Monardella odoratissima subsp. pallida Carl Epling; 1940-7-26 15376 Siskiyou Mount Shasta, Diller Canyon Comment
  CAS-BOT-BC222180  Monardella odoratissima subsp. pallida W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar, McCloud Comment
  CAS-BOT-BC222181  Monardella odoratissima subsp. pallida Elmer I. Applegate 1923-8-18 3874 Siskiyou Near summit of Redshale [Red Shale] Mountain, East of Medicine Lake 2438 Comment
  RSA0022805  Monardella villosa Edward Palmer 1892-7-13 2508 Siskiyou Mt. Shasta and vicinity. Comment
  HSC30571  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Marble Mountains Wilderness Area. Trail between Diamond Lake and Hancock Lake 2012 Comment
  JEPS84216  Monotropa hypopitys L. R. Heckard with J. Hickman et al. 1986-7-17 6450 Siskiyou ca 5 mi n Seiad Valley; Cook and Green Pass 1465 Comment
  RSA240084  Monotropa hypopitys Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA697550  Monotropa hypopitys Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  JEPS94256  Montia dichotoma Vernon H. Oswald and Lowell Ahart 1998-6-11 9220 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  JEPS43286  Montia parvifolia W. L. Jepson 1907-7-11 2880 Siskiyou Klamath Range near Putnam Peak (between Cedar Camp and divide); Klamath Range 1981 Comment
  CAS-BOT-BC262679  Muhlenbergia asperifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10502 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  CAS-BOT-BC267045  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  CAS-BOT-BC267050  Muhlenbergia filiformis H. E. Brown 1897-6-11 425 Siskiyou N side, Mount Shasta 2743 Comment
  CAS-BOT-BC267051  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains: at Poker Flat, in upper portion of meadow 1524 Comment
  HSC22176  Muhlenbergia montana J. O. Sawyer 1969-8-4 1881 Siskiyou SE slope above S Sugar Lake 2165 Comment
  HSC100332  Muhlenbergia richardsonis J. P. Smith 2011-7-15 13300 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  HSC82521  Nama lobbii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5973 Siskiyou Fowler's Campground 1006 Comment
  UC13723  Narthecium californicum W. C. Blasdale July 1899 1074 Siskiyou Siskiyou Mts. California, Siskiyou Mts. Comment
  UC908380  Navarretia divaricata W. Bridge Cooke 1938-7-29 11405 Siskiyou Mt. Shasta 1524 Comment
  JEPS70320  Navarretia intertexta W. L. Jepson 1940-7-3 20102 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  RSA148670  Navarretia sinistra Clare B. Hardham 1961-7-3 8114 Siskiyou Scott Mountain south of Calahan. Comment
  JEPS109401  Nepeta cataria Dean W. Taylor 2004-7-19 19183 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 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
  UC904783  Nicotiana attenuata unknown 1949-8-26 25656 Siskiyou near Bolam Station (along old logging road); Mount Shasta Comment
  RSA15791  Nicotiana bigelovii Carl B. Wolf 1927-8-26 1019 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC34294  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer 1973-8-14 7288 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  CAS-BOT-BC60578  Noccaea fendleri subsp. glauca W. R. Dudley 1893-6-20 s.n. Siskiyou Along upper part of Castle Lake Trail near Mount Shasta. Comment
  HSC75106  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-16 10136 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  UC1238904  Nothochelone nemorosa Freed W. Hoffman 1951-7-15 4026 Siskiyou near Packers' Valley (North Coast Ranges, Marble Mountain); North Coast Ranges, Marble Mountain Comment
  UC164292  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou at head of West Fork Wooley Creek, s of lake West Fork Wooley Creek Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  JEPS84081  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6402 Siskiyou 5 mi n of town of Seiad Valley (above and w of Lily Pad Lake) 1850 Comment
  UC1409398  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou West of the west cove of Hancock Lake (Lily Pond (a fifty foot pond), vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UCD127737  Oenanthe P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  UC1733730  Oenothera Kay H. Beach, Frank Gould 1940-5-15 622 Siskiyou Bull Meadows Comment
  UC61691  Oenothera elata subsp. hirsutissima Geo. B. Grant September 1902 5225 Siskiyou Sisson Mt. Shasta 914 Comment
  OBI5240  Onopordum tauricum W. T. Parsons & T. C. Fuller, T. C. Fuller 1960-7-26 4878 Siskiyou Around an old barnyard, F. Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca 15 mi SW of Dorris Comment
  JEPS88631  Orcuttia tenuis Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9861 Siskiyou ca 5 mi n Timbered Crater (ca 1 mi e of Adobe Flat); Modoc Plateau, Fall River Mills 15' Quadrangle 1097 Comment
  SEINET8225553  Oreostemma alpigenum J. Kierstead 1990-7-18 90 -103 Siskiyou Mt. Shasta Ranger Dist.; Gumboot Creek, south side of Mt. Eddy, 100 yards wouth of Forest Service Rd. 40N26. 1676 Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC29319  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou Marble Mtn. Wilderness Area, N of English Peak on way down to Upper English Lake 1951 Comment
  UC1333300  Orthilia secunda Dorothy Parker 1949-6-26 Siskiyou Etna Creek, Salmon Mountains Range 1207 Comment
  RSA0083190  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Slope leading down from Little Hancock Lake to Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1982 Comment
  RSA0083195  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  CAS-BOT-BC266622  Orthocarpus cuspidatus James L. Reveal; Mark L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road, Forest Service Road 40S01, 0.6 mile N of the turnoff to Deep Camp and about 2.7 miles SE of Dry Lake Lookout Comment
  JEPS84025  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  HSC29250  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1295 Siskiyou Marble Mtn. Wilderness Area, English Lake region 1829 Comment
  HSC65359  Orthocarpus cuspidatus subsp. copelandii R. White 1977-8-3 140 Siskiyou W side of pond above Elk Hole 1616 Comment
  UCSB21963  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mts. south of Calahan Comment
  JEPS84027  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6498 Siskiyou ca 14.5 mi from Hwy 96 (Walker) near Dry Lake (Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  SJSU3582  Orthocarpus imbricatus M. D. Fleschner 1965-7-14 140 Siskiyou c. 3 mi SE of Bartle on State Rte 89 1219 Comment
  UC1034070  Orthocarpus imbricatus unknown 1941-8-16 Siskiyou in areas below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  JEPS101144  Orthocarpus pachystachyus Dean W. Taylor 1996-6-18 15721 Siskiyou Scott Mountains; bordering Shasta Valley, base of hillslopes about 4 miles south of Gazelle, about 100 meters upslope from the Yreka Ditch 960 Comment
  CAS-BOT-BC94388  Osmorhiza occidentalis R. C. Wenk 2005-6-17 167 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  HSC58840  Osmorhiza occidentalis Butler 1971-7-7 42 Siskiyou Near El Capitan 1464 Comment
  HSC73996  Osmorhiza purpurea Gail Newton 1980-6-20 510 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC318449  Packera cana Elmer Ivan Applegate 1935-6-10 9491 Siskiyou South slope of Caldwell Butte, Lava Beds national Monument Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. 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-BC28833  Paeonia brownii A. A. Heller 1905-6-8 7994 Siskiyou Yreka Comment
  JEPS94100  Panicum capillare Vernon H. Oswald and Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir; Julia Glover Flat 1112 Comment
  HSC74834  Panicum capillare var. capillare J. P. Smith, J. O. Sawyer 1978-7-3 10003 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UC455369  Parnassia californica I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork North Fork; Sisson, North Fork Comment
  JEPS24797  Parnassia californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6806 Siskiyou at sw end of Castle Lake, headwaters of Sacramento River Sacramento River; Castle Lake, Sacramento River 1661 Comment
  POM210931  Parnassia californica Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC202843  Paxistima myrsinites Doris K. Kildale 1928-7-4 5465 Siskiyou 3 miles west of summit on Sawyers Bar - Etna Mills road Comment
  CAS-BOT-BC202846  Paxistima myrsinites Dorothy Parker 1950-6-4 446 Siskiyou Salmon Mt. 1920 Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  HSC69746  Paxistima myrsinites Maralyn A. Renner 1980-8-6 2246 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  OBI17366  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Shasta City Comment
  RSA237261  Paxistima myrsinites Frederick W. Oettinger 1968-8-24 626 Siskiyou By New York Flumes about 10 min. down-stream from Tom's Lower Pond; Tom's Lake Basin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1185941  Paxistima myrsinites L. E. Detling 1950-6-9 6598 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  UC719806  Paxistima myrsinites Rogers McVaugh 1941-8-4 6235 Siskiyou banks of Sacramento R. n. of Shasta Retreat Comment
  RSA68859  Pedicularis aurantiaca A. E. Culbertson 1943-6-29 97 Siskiyou Castle Lake, 5434', in a north facing cirque with and abrupt 1000' backwall; 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC266652  Pedicularis bracteosa var. flavida W. R. Dudley 1899-8-24 s.n. Siskiyou On Craggy Peak Comment
  HSC4827  Pedicularis contorta J. O. Sawyer 1968-7-23 586 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC20918  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek, Salmon Mtns. range 1677 Comment
  HSC36885  Pedicularis densiflora J. P. Smith 1974-5-26 7547 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC164398  Pedicularis densiflora Geo. D. Butler 1910-5-10 1324 Siskiyou Goosenest Foothills Comment
  UC220831  Pedicularis densiflora H. E. Brown Jun 11 1897-Jun 16 1897 356 Siskiyou northside Mount Shasta 1524 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  HSC4831  Pedicularis racemosa J. O. Sawyer 1968-7-22 523 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UCR131622  Pedicularis racemosa L. C. Wheeler 1934-6-7 2659 Siskiyou Siskiyou Mountains, North Hungry Creek 1311 Comment
  POM43427  Pedicularis racemosa Geo. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek. 1220 Comment
  POM299020  Pellaea brachyptera Marion Ownbey, Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  UC705509  Pellaea brachyptera Marion Ownbey and Fred G. Meyer 1940-7-6 2198 Siskiyou near summit Cayenne Ridge (s side Marble Mt); Marble Mt Comment
  CAS-BOT-BC67683  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  CAS-BOT-BC67668  Pellaea breweri Geo. D. Butler 1908-8-8 240 Siskiyou Marble Valley Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  POM42969  Penstemon anguineus Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake, Shackleford Creek. 1372 Comment
  HSC62465  Penstemon azureus Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley, 2 mi. from Poker Flat Comment
  CHSC71331  Penstemon cinereus Vernon H. Oswald 1998-6-11 9190 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
  CAS-BOT-BC265379  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  UC60947  Penstemon davidsonii var. davidsonii Geo. B. Grant Sep 1902 5095 Siskiyou Mount Shasta Comment
  HSC19127  Penstemon deustus J. O. Sawyer 1969-7-9 1262 Siskiyou Summit above S Sugar Lake. 2378 Comment
  SFV5160  Penstemon deustus var. suffrutescens B. C. Templeton 1960-6-21 8527 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC105069  Penstemon gracilentus R. C. Wenk 2008-7-23 901 Siskiyou SW side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) 2316 Comment
  CHSC1862  Penstemon gracilentus V. Holt 1932-7-23 Siskiyou Mt. Shasta Flats. 1219 Comment
  HSC69264  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3737 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  SEINET3160391  Penstemon gracilentus G. B. Grant 933 Siskiyou Mt. Shasta, S California 2438 Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  JEPS23804  Penstemon laetus var. sagittatus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7291 Siskiyou Poker Flat 1536 Comment
  JEPS44097  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1965-7-12 35188 Siskiyou Bolam Road , Bolam Road (Mt. Shasta) 1706 Comment
  JEPS69755  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1972-6-30 45409 Siskiyou Andesite-Military Pass Road Mt. Shasta 1524 Comment
  NY604560  Penstemon laetus var. sagittatus A. A. Heller 1905-6-13 8019 Siskiyou Shasta Springs. Comment
  UC454778  Penstemon laetus var. sagittatus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near summit; Mt. Bradley near summit, Shasta Retreat 1828 Comment
  UC585180  Penstemon laetus var. sagittatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1953 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on highway from Bray to Weed); n slope Mt. Shasta, s of Sheep Rock 1249 Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  NY604568  Penstemon laetus var. sagittatus N. H. Holmgren 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 miles) northeast of Weed. 1100 Comment
  CHSC26183  Penstemon newberryi J. P. Kroessing 1977-8-5 54 Siskiyou Ca 13 km e on Everitt Memorial Hwy, ca 12 km ssw of Mt Shasta Peak. 1660 Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  SEINET270928  Penstemon newberryi Richard J. Shaw 1963-6-10 1293 Siskiyou Old highway 99 2 miles south of Weed. Comment
  CDA41850  Penstemon newberryi T. C. Fuller 1962-6-28 8952 Siskiyou Highway 99, 0.7 mile north of Black Butte Summit, 4.6 miles south of Weed. 0 Comment
  HSC4838  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-22 538 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA238833  Penstemon newberryi subsp. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  CHSC65848  Penstemon newberryi var. newberryi Maria Ulloa-Cruz 1994-8-3 47 Siskiyou Mount Shasta Ranger District. On slope above Panther Creek tributary. 2000 Comment
  JEPS6891  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  UC609350  Penstemon parvulus Eleanor Burks Hart 1938-8-15 914 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  RSA238767  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou west side of Red Hill near Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA238755  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1967-7-20 178 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  RSA420384  Penstemon rattanii subsp. rattanii M. B. Dunkle 1945-1 9330 Siskiyou Big Ridge. Klamath National Forest. Marble Mountains. Comment
  UC163815  Penstemon roezlii Geo. D. Butler 1901-6-23 1601 Siskiyou Yreka Creek Comment
  UC335599  Penstemon roezlii J. G. Lemmon Sept. 1879 Siskiyou Mt. Shasta Comment
  HSC91118  Penstemon roezlii Jennifer Whipple 1976-7-8 1358 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  HSC26146  Penstemon rupicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5687 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS82505  Penstemon rupicola Todd Keeler-Wolf 1983-8-14 728 Siskiyou 1/4 mi S of Terrace lake 2087 Comment
  RSA60882  Penstemon shastensis Frank W. Gould 1938-6-28 486 Siskiyou Near and north of Mt Shasta (where Hwy 97 crosses Butte Creek). 1418 Comment
  CAS-BOT-BC27142  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  RSA120854  Penstemon speciosus M. S. Baker 1957-6-15 13111 Siskiyou Just S of Weed. Comment
  RSA47610  Penstemon speciosus Roxana S. Ferris, Laura Lorraine 1948-6-12 11729 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET5329863 Image available Penstemon speciosus G. Butler 1910-5-18 1360 Siskiyou near Yreka Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  RSA14390  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  SEINET3860793  Perideridia leptocarpa L. Constance, T. I. Chuang; et al. 1966-6-15 3768 Siskiyou Above Trinity River 5 mi NW of Cecilville.; 0 762 Comment
  UC1595826  Perideridia leptocarpa Wayne Rolle 1991-7-25 466 Siskiyou above road less than 1/4 mi s Butcher Gulch (above river); Rogue River National Forest, S Fork Salmon River Comment
  CAS-BOT-BC222757  Perideridia leptocarpa H. A. Thomas; J. H. Thomas 1954-7-23 4455 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  UCR52566  Perideridia oregana Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  LA32473  Perideridia parishii subsp. latifolia Wm. Bridge Cooke; 1939-7-21 13731 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  UC1400335  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou slope of se aspect due s area bet. David Mountain and Abbots Lake Basin (and on old Tanners Peak Trail, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC423355  Peritoma platycarpa L. E. Smith 1912-8-1 s.n. Siskiyou Pitt River, Montague Comment
  HSC43049  Persicaria lapathifolia K. T. Stillman 1976-8-24 440 Siskiyou Along the Klamath River at Williams Point 366 Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  UC1442843  Phacelia cookei W. B. and V. G. Cooke 1965-7-12 35182 Siskiyou Bolam Rd Mt. Shasta Comment
  HSC68991  Phacelia corymbosa Maralyn A. Renner 1980-7-28 2171 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UCR93351  Phacelia egena Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  UC24397  Phacelia hastata Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  JEPS94266  Phacelia hastata subsp. hastata Vernon H. Oswald and Lowell Ahart 1998-6-11 9181 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  HSC76997  Phacelia hastata var. compacta K. T. Stillman 1976-6-25 92 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley trail 2073 Comment
  JEPS2076  Phacelia heterophylla subsp. virgata W. L. Jepson July, 1894 21058 Siskiyou Sisson Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  JEPS105288  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC1286475  Phacelia mutabilis W. B. and V. G. Cooke 1963-7-10 32467 Siskiyou n side Mt. Shasta (along Bolam logging rd) Comment
  UC1483413  Phacelia mutabilis Maralyn A. Renner 1980-7-23 1842 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  CHSC105865  Phacelia pringlei Julie Kierstead Nelson 2010-7-3 2010 -012 Siskiyou Scott Mountain; Road 40N08 from hwy 3 at summit to Carment Lake, at Pacific Crest Trail crossing. 1676 Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  JEPS101029  Phacelia thermalis Dean Wm. Taylor with Glenn Clifton 1990-6-11 10871 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UCD162322  Philadelphus lewisii Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Marble Mountains, east of Marble Mountain. 1716 Comment
  RSA0058053  Philadelphus lewisii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1200 Siskiyou Above Willow Spring, on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC10588  Phleum alpinum D. E. Anderson 1962-8-5 2301 Siskiyou Mt. Shasta, Panther Meadows. 2287 Comment
  RSA21890  Phleum alpinum J. T. Howell 1939-8-9 15224 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  UCD37075  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC61881  Phleum pratense Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA105397  Phleum pratense G. D. Barbe 1955-7-5 109 Siskiyou At Greenview city limit on Highway to Fort Jones; Klamath Mountains 884 Comment
  SJSU2560  Phlox adsurgens H. L. Buckalew 1962-7-7 Siskiyou junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts Comment
  UCD118238  Phlox adsurgens Dean William Taylor 1972-7-3 1590 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC43548  Phlox adsurgens Pete Karp 1975-7-10 Siskiyou Happy Camp Forest Campground Comment
  JEPS124892 Image available Phlox diffusa Himayat H. Naqvi 1965-7-14 113 Siskiyou 100 feet north of ski bowl building, Mount Shasta. Comment
  POM301670  Phlox diffusa subsp. diffusa Marion Ownbey, Fred G. Meyer 1940-7-4 2191 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  POM75602  Phlox douglasii subsp. rigida Geo D. Butler 1910-3-13 1127 Siskiyou Klamath Hills. Comment
  UC1540131  Phlox gracilis Dean W. Taylor 1987-6-26 9078 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  CDA40286  Phlox gracilis T. C. Fuller 1970-5-27 19586 Siskiyou Interstate 5, truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  CDA40285  Phlox hoodii subsp. canescens T. C. Fuller 1958-4-17 4826 Siskiyou 3 miles south of Gazelle. 0 Comment
  HSC82561  Phlox speciosa subsp. nitida Thomas W. Nelson, Jane P. Nelson 1979-5-26 4718 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  RSA431456  Phoenicaulis cheiranthoides L. C. Wheeler 1934-8-9 3078 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. (Mt. Diablo Mer.) 1921 Comment
  CAS-BOT-BC135020  Phoradendron bolleanum G. T. Benson 1921-12-23 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC135021  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  CAS-BOT-BC56484  Phyllodoce empetriformis G. J. Muth 1969-8-10 1324 Siskiyou Ridge w. of Boulder Peak 2286 Comment
  CAS-BOT-BC56497  Phyllodoce empetriformis A. A. Heller 1915-8-26 12227 Siskiyou Heather meadow near the head of Wagon creek canyon, Mt. Eddy 2590 Comment
  RSA237315  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SEINET11998673  Phyllodoce empetriformis Unknown 1986-1 60401 Siskiyou Kangaroo Mountain, SW of Cook & Green Pass 1920 Comment
  UCR182951  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement Ranch, 5 miles north of Montague Comment
  CDA5830  Physalis longifolia T. C. Fuller, Don Shaw 1977-8-3 20221 Siskiyou South of Willow Creek Road, 10 km northeast of Montague. 0 Comment
  HSC76637  Physaria occidentalis K. T. Stillman 1976-6-25 59 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC140525  Physocarpus Alice Eastwood 1912-7-21 1273 Siskiyou Sisson Comment
  CAS-BOT-BC140593  Physocarpus capitatus Grant 1902-9-13 5182 Siskiyou Dunsmuir Comment
  CAS-BOT-BC140596  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC140600  Physocarpus capitatus Carl B. Wolf 1927-8-26 1072 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC140601  Physocarpus capitatus Doris K. Kildale 1939-8-24 9054 Siskiyou Youngs Valley, trail to Preston Peak 1371 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
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  NY29987  Picea breweriana W. R. Dudley 1901-8-18 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
  SEINET10530614  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill UMO 107773 Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. 1890 Comment
  CAS-BOT-BC73437  Picea engelmannii Dorothy Parker 1962-9-19 s.n. Siskiyou Siskiyou Mountains - Horse Range Creek, Salmon Mountains. 1676 Comment
  JEPS22770  Picea engelmannii B. C. Goldsmith 1930-9-3 Siskiyou on bank where road crosses French Creek (tributary to Scott Valley); Scott Valley, French Creek 1066 Comment
  SD75843  Picea engelmannii Darley F. Howe 1969-9-12 Siskiyou Blake's Creek, North Fork of Salmon River, 20 miles southwest of Aetna 1830 Comment
  SDSU1544  Picea engelmannii D. F. Howe 1969-8-30 4680 Siskiyou Blake Creek, north fork of Salmon River, about 20 miles southwest of Aetna. 1829 Comment
  HSC30652  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou S side of E Boulder Lake in the Scott Mtns. 2043 Comment
  JEPS47880  Pinus albicaulis W. L. Jepson 1940-6-27 20047 Siskiyou e slope Mt. Shasta (timberline); Mt. Shasta timberline 2133 Comment
  UC1045296  Pinus albicaulis W. B. Cooke 1940-8-8 15454 Siskiyou on the ridge e Horse Camp; Mount Shasta 2590 Comment
  RSA639071  Pinus attenuata L. C. Wheeler 1958-8-18 7396 Siskiyou West Fork Seiad Creek. Comment
  NY34629  Pinus attenuata F. M. Ownbey 1940-7-7 2219 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
  NY34644  Pinus attenuata C. G. Pringle 1881-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC1364  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy near Deadfall Lake, Bulk Collection # 93 2226 Comment
  UC1313008  Pinus balfouriana J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3769 Siskiyou sw ridge Black Marble Mountain; Marble Mountain Wilderness Area, Black Marble Mountain 2133 Comment
  CAS-BOT-BC73306  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of teh Marble rim, Marble Mts. Comment
  CAS-BOT-BC73180  Pinus jeffreyi Ranger K. Fox 1939-8-22 13876 Siskiyou Mount Shasta, along the Everett Memorial Highway. 1981 Comment
  JEPS120218  Pinus jeffreyi Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -074 Siskiyou NW side of Gumboot Lake Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  CAS-BOT-BC78779  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou Side of Black Butte Comment
  POM281976  Pinus monticola Lyman Benson 1929-3-26 1067 Siskiyou Shoulder of Mt. Shasta near the limit of pine trees. Comment
  HSC67814  Pinus ponderosa J. O. Sawyer, J. Cole 1980-7-20 3789 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  JEPS48189 Image available Pinus ponderosa W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  JEPS32026  Plagiobothrys hispidus W. B. and V. G. Cooke 1963-7-10 34273 Siskiyou n side Mt. Shasta (in Bolam logging road); , Bolam 2133 Comment
  RSA105308  Plantago eriopoda Milo S. Baker 1955-7-26 13079 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  UC2012950  Platanthera hyperborea Barbara Ertter 1990-7-14 9343 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 air miles W of Mt. Shasta City, Comment
  UC375218  Platanthera hyperborea Geo. D. Butler 1909-7-20 Siskiyou Highland Mine Comment
  HSC4861  Platanthera sparsiflora J. O. Sawyer 1968-6-18 240 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  SJSU6500  Platanthera sparsiflora R. W. Trivelpiece 1972-6-15 115 Siskiyou Vann Creek near Bear Peak, SW of Happy Camp 1280 Comment
  HSC34011  Plectritis macrocera J. P. Smith 1974-5-25 7507 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC164461  Plectritis macrocera Geo. D. Butler 1910-3-24 1139 Siskiyou Shasta River hills Comment
  UC796534  Plectritis macrocera Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11827 Siskiyou 1 mi below summit of Gazelle Mountain (Gazelle-Callahan Road); Gazelle-Callahan Road 1219 Comment
  JEPS69767  Pleuricospora fimbriolata W. B. and V. G. Cooke 1972-7-6 45463 Siskiyou Mount Shasta, Mud Creek Dam Road Mount Shasta; , Mud Creek Dam Road 1127 Comment
  RSA184792  Poa Gilbert Muth 1966-7-17 403 Siskiyou Trail to lookout, Marble Mts. 1829 Comment
  HSC34104  Poa bolanderi J. O. Sawyer 1969-7-9 1222 Siskiyou Along trail to Sugar Lake. 1768 Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  SBBG30565  Poa bulbosa D. Myrick 1968-6-25 2009 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UCD90665  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Montague. Right off railroad station. Comment
  UCD90666  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Montague. On railroad deposit. Comment
  POM112585  Poa nervosa Geo D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1677 Comment
  CAS-BOT-BC256020  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53415 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC256021  Poa pratensis John Thomas Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1535350  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2106 Siskiyou between Siskiyou Blvd and S.P.R.R. Grenada (2 mi s of intersection of Hwy A-12 and Siskiyou Blvd, 10-30' s of Truttman Lane); Yreka Quadrangle 783 Comment
  RSA184780  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou North side of Black Mountain, Marble Mountains 2043 Comment
  RSA578037  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UCD90325  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3399 Siskiyou 7 miles N of Weed. Comment
  CAS-BOT-BC243227  Poa secunda subsp. secunda H. A. Thomas; J. H. Thomas 1954-7-24 4512 Siskiyou Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC27167  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-7 5285 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  CAS-BOT-BC244179  Poa trivialis Roxana S. Ferris; Laura Lorraine 1948-6-12 11747 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  UCD91740  Poa wheeleri Dean Wm. Taylor 1975-8-14 5462 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  UCD18948  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  CAS-BOT-BC244325  Podagrostis humilis W. B. C. 1938-9-17 11695 Siskiyou Mount Shasta. Water Supply Spring, Horse Camp, Hudsonian Comment
  UC933398  Polemonium californicum Annie M. Alexander and Louise Kellogg 1948-9-9 5608 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake 1828 Comment
  UC52664  Polemonium occidentale subsp. occidentale W. C. Blasdale 1894-7-28 Siskiyou Sissons Comment
  RSA215628  Polemonium pulcherrimum Gilbert Muth 1969-8-7 1273 Siskiyou Boulder Peak Ridge. 2470 Comment
  UC484058  Polygala cornuta var. cornuta Carl B. Wolf 1930-10-22 1756 Siskiyou along Pacific Highway 3 mi n Mt. Shasta City 1219 Comment
  UC55513  Polygonum bistortoides Harley P. Chandler June, 1901 1708 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 1828 Comment
  CDA22763  Polygonum bistortoides T. C. Fuller, Don Shaw 1974-9-24 20023 Siskiyou Siskiyou Mountains; Reeves Ranch Springs, east of White Mountain. 0 Comment
  UCR64597  Polygonum californicum L. C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns 1006 Comment
  UC164033  Polygonum convolvulus Geo. D. Butler 1908-7-17 1068 Siskiyou along creek near Yreka Comment
  JEPS69757  Polygonum douglasii W. B. and V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Rd. above Andesite crossing; Mt. Shasta 1524 Comment
  JEPS84295  Polygonum douglasii subsp. douglasii L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6483 Siskiyou e Cook and Green Pass (w ridge of butte); Copper Butte 1524 Comment
  JEPS79755  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-7-23 192 Siskiyou lot w Catholic Cemetary; Yreka Comment
  UC1540158  Polygonum douglasii subsp. spergulariiforme Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; small vernal depression in indurate lava flow 1304 Comment
  UC164464  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-11-15 1103 Siskiyou dry hill near Yreka Comment
  RSA237773  Polygonum douglasii var. latifolium Frederick W. Oettinger 1969-8-14 1378 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  RSA0005197  Polygonum greenei Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC418596  Polygonum minimum Wm. Bridge Cooke 1938-9-8 11658 Siskiyou Mount Shasta. Squaw Creek Meadows Comment
  UCD77948  Polygonum minimum Robert E. Preston 2001-7-21 1751 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  CAS-BOT-BC418587  Polygonum minimum Alice Eastwood 1912-8-22 1821 Siskiyou Trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC418593  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC419872  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1925-7-25 13901 Siskiyou Along the Pacific highway near Edgewood. Comment
  CAS-BOT-BC420071  Polygonum polygaloides subsp. kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  CAS-BOT-BC420070  Polygonum polygaloides subsp. kelloggii Gilbert Muth 1966-7-19 425 Siskiyou Marble Mts. 1798 Comment
  CAS-BOT-BC420225  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC109288  Polygonum shastense G. A. Coleman 1901-8-17 s.n. Siskiyou Mount Shasta. 2529 Comment
  RSA142622  Polygonum shastense P. A. Munz 1960-8-22 24182 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC572794  Polygonum shastense W. Bridge Cooke 1937-7-28 9157 Siskiyou Mt. Shasta 2590 Comment
  HSC46074  Polypodium californicum J. P. Smith, Steve Selva 1970-6-14 3877 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC25462  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5658 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC150381  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou near Sisson Comment
  CHSC31246  Polystichum lemmonii B. Williams 1980-8-27 385 Siskiyou Shasta Forest/Trinity NF Expt. Area. Mt. Eddy. Comment
  HSC27332  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5712 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC72377  Polystichum lemmonii Doris K. Kildale 1929-8-23 8821 Siskiyou Preston Peak 396 Comment
  HSC79125  Polystichum lemmonii C. J. Thomas 1983-10-1 77 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  HSC79126  Polystichum lemmonii C. J. Thomas 1983-10-1 76 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  LA204821  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-11 805 Siskiyou Kangaroo Lake (NE of Callahan), E side of lake 2133 Comment
Read comments
Oct 24 2014
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  RSA240096  Polystichum munitum Frederick W. Oettinger 1969-8-25 1554 Siskiyou At the little N Fork stream crossing along the new trail that goes from the end of the logging road to the Devil's Canyon Trail. 1220 Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  UC1134798  Populus tremuloides H. A. Jensen 1933-9-27 356 Siskiyou Widow Spring; Shasta National Forest, Dunsmuir Quad., Widow Spring Comment
  UCSB22575  Populus trichocarpa Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  RSA105419  Potamogeton foliosus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 miles southeast of Etna on the Eastside Road. 915 Comment
  CHSC71497  Potentilla biennis Vernon H. Oswald; Lowell Ahart 1998-7-21 9341 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  UCD113827  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC37144  Potentilla drummondii A. M. Montalvo, J. D. Ackerman 1974-7-2 346 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  UC375272  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  CAS-BOT-BC540550  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1939-7-7 13591 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  CAS-BOT-BC540551  Potentilla gracilis var. fastigiata Geo. D. Butler 1909-6-13 923 Siskiyou Meadow near Oro Fino Comment
  HSC126  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC78221  Potentilla gracilis var. fastigiata L. P. Janeway 1983-8-28 628 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  RSA211183  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow ranch, weedy area around buildings. 1524 Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  HSC19563  Prosartes hookeri J. O. Sawyer 1968-6-19 250 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  UCLA49270  Prunella vulgaris W. Bridge Cooke 1939-7-7 13600 Siskiyou along the road between Bear Springs and Wagon Camp Mount Shasta; , between Bear Springs and Wagon Camp Comment
  UC1282022  Prunella vulgaris var. lanceolata Louise Kellogg Aug 8 1953-Aug 9 1953 121 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  UC1408768  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou just w Horse Range Lake outlet (the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1821 Comment
  SEINET3157224  Prunus demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  SEINET3157235  Prunus demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  CAS-BOT-BC158202  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC158224  Prunus emarginata D. E. Breedlove 1962-7-14 3925 Siskiyou On steep slope on ridge between Liebel Peak and Piute Peak, 12.4 miles southwest of Bodfish-Havilah Road; Piute Mountains 2164 Comment
  CAS-BOT-BC158238  Prunus emarginata Elmer I. Applegate 1895-5-30 154 Siskiyou Sisson Comment
  OBI36627  Prunus emarginata David J. Keil 1983-7-3 17382 Siskiyou Sloes of Mt Shasta along Memorial hwy Comment
  POM89362  Prunus emarginata Edward Palmer 1892-7-13 2564 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC158190  Prunus emarginata James McMurphy 1914-6-10 s.n. Siskiyou Hill above Ballground, Copper Mine, Kismet Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  CAS-BOT-BC154679  Prunus subcordata Lincoln Constance; Reed C. Rollins 1942-5-14 2922 Siskiyou Road to Walker Post Office, 3 miles west of Yreka 1219 Comment
  HSC100863  Prunus subcordata J. P. Smith, J. O. Sawyer 2010-5-6 12815 Siskiyou Along Road 9KO2, N of Irongate Reservoir. 755 Comment
  UC164300  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  CAS-BOT-BC151229  Prunus virginiana var. demissa L. E. Smith 1913-7-27 493 Siskiyou McCloud Comment
  JEPS24783  Prunus virginiana var. demissa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6791 Siskiyou just sw of Mount Shasta Town ((Sisson) and road to Castle Lake, at junction old Hwy 99) 1036 Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC162039  Pseudelymus saxicola John Thomas Howell 1952-6-14 28353 Siskiyou 7 miles east of Callahan on road to Gazelle. Comment
  JEPS24617  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6770 Siskiyou in the 1.5 mi stretch between Shasta Retreat (n outskirts of Dunsmiur) ro Mossbrae Falls and Shasta Springs; Sacramento River Canyon, S. P.(Shasta Route) railwayi 731 Comment
  UC618634  Pseudognaphalium thermale unknown 1938-8-5 11452 Siskiyou near MacBride Spring; Mount Shasta 1524 Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  CAS-BOT-BC239810  Pseudoroegneria spicata David D. Keck 1949-7-19 6354 Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  CAS-BOT-BC239811  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1066 Comment
  JEPS96674  Pseudoroegneria spicata subsp. spicata Dean W. Taylor 1997-6-12 16062 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC203951  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1909-6-27 848 Siskiyou Klamath River Comment
  CAS-BOT-BC80168  Pseudotsuga menziesii Louis C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1371 Comment
  SEINET3875502  Pseudotsuga menziesii Alv Dan Youngberg 1964-8-17 51 Siskiyou Growing at West Branch Guard Station.; 0 671 Comment
  UC42931  Pteridium aquilinum var. pubescens Marshall A. Howe 1894-8-8 Siskiyou Shasta Soda Springs Comment
  HSC67724  Pterospora andromedea John S. Palmer 1980-8-12 680 Siskiyou SE of Wards Gap. 1189 Comment
  SD104903  Purshia tridentata Darley Howe 1979-6-26 Siskiyou Military Pass Rd, 3 mi. SE of Ca. Hwy 97, near Granada Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC27238  Pycnanthemum californicum J. P. Smith, J. O. Sawyer 1971-9-18 4814 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC460859  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  RSA68910  Pyrola californica A. E. Culbertson 1943-8-5 48 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. with 10 air miles of its headwaters to the west. Comment
  HSC30474  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Salmon Mts., before Hen Creek along main N Fork Trail between Fivemile Stockgate and Abbott's Upper Cabin 1098 Comment
  HSC69258  Pyrola picta J. Sawyer, J. Cole 1980-7-20 3742 Siskiyou 2 mi. N of Little Glass Mtn., on rd connecting F.S. Rd. 45N05 with F.S. Rd. 47N75 1875 Comment
  UC456157  Pyrola picta I. J. Condit 1911-7-22 Siskiyou Mt. Shasta, trail to Horse Camp 1524 Comment
  CAS-BOT-BC466143  Pyrola picta W. R. Dudley 1893-6-23 s.n. Siskiyou Trail from Castle Crags to Tavern near Sissons Comment
  CAS-BOT-BC466146  Pyrola picta Lester Rowntree 1937-8-8 s.n. Siskiyou Happy Camp Road Comment
  CAS-BOT-BC68648  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 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
  UCD40475  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1220 -5 Siskiyou Next to Klamath River, past Horse Creek. 500 Comment
  CAS-BOT-BC94647  Quercus garryana Doris K. Kildale 1928-7-25 5871 Siskiyou Klamath River - Clyborne's Ranch - between Gottville and Brown's Resort. Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA623528  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UCD14453  Quercus kelloggii John M. Tucker 1972-8-8 4244 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  LA205301  Quercus kelloggii W. B. C.; 1939-7-28 13778 Siskiyou along the MacBride Springs Rd 1371 Comment
  CAS-BOT-BC104345  Quercus sadleriana Oliver V. Matthews 1939-7-3 22 Siskiyou from upper limits of Sullivan Mine Grove of the Bakers Cypress region, Cook & Green Region 1219 Comment
  CAS-BOT-BC104367  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou E of Cook & Green Pass 1524 Comment
  HSC73348  Quercus sadleriana Gail Newton 1980-6-20 440 Siskiyou Near Bald Mtn. 1097 Comment
  SFV17814  Quercus sadleriana J. M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UC1046526  Quercus sadleriana R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3454 Siskiyou about 1.5 mi below and se saddle at summit of Takilma-Happy Camp Road Comment
  UCD47230  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 C Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  UCD47245  Quercus sadleriana Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1376 Comment
  UCD47246  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp-Waldo (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  UC1409455  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou ne side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  UC338543  Quercus vacciniifolia unknown 1888-8-24 Siskiyou near Castle Lake (near Sisson's) Comment
  SEINET11805954  Raillardella pringlei C. G. Pringle 1882-1 s.n. Siskiyou head of Sacramento River Comment
  SEINET3159741  Ranunculus alismifolius G. D. Butler 1910-5-10 1322 Siskiyou Goosenest; Bulls meadows 1676 Comment
  RSA715780  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2005-6-9 12040 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  RSA240070  Ranunculus uncinatus var. parviflorus Frederick W. Oettinger 1969-8-9 1313 Siskiyou Along trail near Youngs cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  RSA30429  Rhamnus purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, NE base of Mt. Eddy in moist soil in the forest. 1189 Comment
  UCSB16775  Rhododendron macrophyllum Muller, Katherine 1954-6-23 Siskiyou Siskiyou Mt., 1 mi. below Hazel View Summit, 3 mi. NE of Idlewild 742 Comment
  HSC36726  Rhododendron occidentale var. paludosum Brent Whiteley 1975-6-28 81 Siskiyou 915 Comment
  CHSC27782  Rhus aromatica K. Bridwell 1978-4-14 84 Siskiyou Along Klamath River, ca. 3 mi s of Hornbrook. 670 Comment
  POM92673  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC92408  Ribes aureum var. aureum L. E. Smith 1913-5-4 250 Siskiyou Hornbrook. Comment
  CAS-BOT-BC168867  Ribes inerme var. klamathense John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53408 Siskiyou Fort Jones 853 Comment
  CDA25538  Ribes inerme var. klamathense G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2622 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  RSA0021095  Ribes inerme var. klamathense G. D. Barbe 1955-6-29 42 Siskiyou 1.8 miles east of Callahan, south bank of Scott River. 976 Comment
  CAS-BOT-BC173302  Ribes lacustre W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, southern Siskiyou County Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA0021107  Ribes lacustre Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1263 Siskiyou Stream at Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  RSA0021108  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11752 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC65659  Ribes lobbii J. P. Smith, Steve Selva 1970-6-16 4077 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC99339  Ribes lobbii G. L. Clifton 1979-7-1 6195 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  LA97625  Ribes lobbii J. M. Tucker; 1974-7-28 4324 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, adjacent to camp 1462 Comment
  UC1736425  Ribes lobbii Dean W. Taylor 1999-6-10 17249 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  HSC40049  Ribes marshallii J. O. Sawyer 1970-7-4 2323 Siskiyou At Cedar Flat Cabin 1402 Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  JEPS105050  Ribes montigenum Dean W. Taylor 1996-7-12 15791 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC217878  Ribes nevadense Elmer I. Applegate 1895-5-29 s.n. Siskiyou Mount Shasta 1828 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
  RSA0023150  Ribes nevadense John Dourley, Walter Wisura 1982-10-17 3884 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC1096802  Ribes roezlii H. K. Wagnon and Douglas Barbe 1957-6-16 13127 Siskiyou Scott Mts. Klamath Mountains 1920 Comment
  UC857963  Ribes roezlii A. A. Heller 1915-7-15 11970 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  SBBG27523  Ribes roezlii var. cruentum L. C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Crk, Sterling Mtn 1066 Comment
  UC165922  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackleford Creek Comment
  CAS-BOT-BC144513  Ribes sanguineum var. sanguineum Doris K. Kildale 1928-7-2 5341 Siskiyou Salmon Summit nr [?] Home Creek trail 1981 Comment
  CAS-BOT-BC144516  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  JEPS49257  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Yreka Comment
  CAS-BOT-BC168797  Ribes viscosissimum H. A. Thomas; J. H. Thomas 1954-7-24 4488 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  UCD78095  Ribes viscosissimum Robert E. Preston 2001-6-23 1622 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W ne 1/4 Section 15 1706 Comment
  CAS-BOT-BC362933  Rigiopappus leptocladus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53423 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  RSA238851  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou Due SSW of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  CAS-BOT-BC74657  Rorippa curvisiliqua H. E. Brown 1897-7-15 573 Siskiyou South side of Mount Shasta. 304 Comment
  JEPS80504  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Marble Mt. Wilderness Area 1798 Comment
  RSA761680  Rorippa curvisiliqua R. F. Thorne, Frederick W. Oettinger 1969-8-4 63353 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC147470  Rosa californica Annie M. Alexander; Louise Kellogg 1911-6-13 128 Siskiyou 6 miles N.W. of Callahan Comment
  CAS-BOT-BC146753  Rosa gymnocarpa Doris K. Kildale 1929-8-24 9065 Siskiyou Trail to Preston Peak, between Young's Valley & Rattlesnake Meadow 1524 Comment
  CAS-BOT-BC146756  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  HSC19383  Rosa gymnocarpa J. O. Sawyer 1968-6-25 338 Siskiyou 1646 Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  HSC99791  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-6-15 566 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  CAS-BOT-BC147052  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  CAS-BOT-BC147066  Rosa pisocarpa E. K. Balls; P. C. Everett 1952-10-13 18185 Siskiyou 3.6 mi. s.w. of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake 1524 Comment
  JEPS94391  Rotala ramosior Vernon Oswald and Lowell Ahart 1997-7-28 8807 Siskiyou 10.9 mi n of Highway 89 (on e side of Forest Route 15); Forest Route 15 1383 Comment
  HSC26929  Rubus armeniacus J. P. Smith, J. O. Sawyer 1971-9-18 4835 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  POM91434  Rubus glaucifolius Geo. D. Butler 1910-6-17 1566 Siskiyou Humbug[?] Mtn 1220 Comment
  UCD113787  Rubus lasiococcus J. M. Tucker; D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  UC164308  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC147310  Rubus parviflorus M. S. Baker 1897-7-1 163 Siskiyou Mayfield Road near Bartlis Comment
  CAS-BOT-BC147311  Rubus parviflorus D. K. Noyes 1911-9-29 728 Siskiyou Klamath National Forest Comment
  CAS-BOT-BC157164  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC157168  Rubus ursinus D. E. Breedlove 1962-6-11 3351 Siskiyou On bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC48290  Rubus ursinus J. O. Sawyer, K. Stillman 1978-7-6 3295 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CAS-BOT-BC6026  Rudbeckia californica var. intermedia L. E. Smith 1913-9-1 557 Siskiyou Mt. Eddy Comment
  HSC67721  Rudbeckia occidentalis John Palmer 1980-8-15 971 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  CAS-BOT-BC422224  Rumex acetosella Doris K. Kildale 1928-7-4 5497 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  HSC98390  Rumex acetosella J. O. Sawyer 1969-7-16 1143 Siskiyou W of Waterdog Lake 2073 Comment
  OBI48772  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Dunsmuir Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC71495  Rumex crispus Vernon H. Oswald; Lowell Ahart 1998-7-21 9345 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC31036  Rumex crispus Frederick W. Oettinger 1969-8-13 1362 Siskiyou Marble Mtn. Wilderness Area, English Lake 1753 Comment
  UC441328  Sagittaria cuneata H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  POM107341  Salix boothii Geo. D. Butler 1908-8-7 152 Siskiyou Lake at head of W fork of Wooley Creek. 1829 Comment
  CAS-BOT-BC103536  Salix commutata John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  RSA211241  Salix jepsonii William J. Ferlatte 1967-7-9 683 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  UCSB10874  Salix lasiandra Bracelin, H. 1931-6-21 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City; Flat beside creek, at bridge, about 1.3km east of Burny Mill 1110 Comment
  CAS-BOT-BC419729  Salix lasiandra var. lasiandra Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -083 Siskiyou Upper Parks Creek watershed, 2 miles NE of China Mountain, eastern Klamath Ranges. Along road/trail 41N73A. 2011 Comment
  JEPS77667  Salix lasiandra var. lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou near S. Fork Salmon River Big Flat (banks of river below campground); Trinity Alps 1508 Comment
  CAS-BOT-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC576383  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  LA208891  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-21 467 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 180 m. below Dobkin's Lake 1770.0 Comment
  RSA238010  Salix lucida subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou W of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC125933  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou [Glazier] Glacier/Glaser along McCloud Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  POM219901  Salix scouleriana H. P. Bracelin 1931-6-20 446 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  SD878  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km northwest of Shasta City, above stream in Wagon Creek Canyon, about 1 km up from Metcalf Ranch House 1170 Comment
  UC481715  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 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
  UC481716  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  HSC27031  Salsola tragus J. P. Smith, J. O. Sawyer 1972-9-14 5800 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  UC618882  Salvia sonomensis unknown 1938-6-17 11027 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  CAS-BOT-BC235044  Sambucus W. R. Dudley 1901-8-21 s.n. Siskiyou Rush Creek, Meadows, Salmon Mts. Comment
  POM210953  Sambucus microbotrys L. C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  CAS-BOT-BC238887  Sambucus nigra subsp. caerulea Doris K. Kildale 1928-8-18 6446 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC238893  Sambucus nigra subsp. caerulea Alice Eastwood 1917-9-2 6662 Siskiyou Shasta Springs Comment
  CAS-BOT-BC236479  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  HSC29279  Sambucus racemosa var. racemosa Frederick W. Oettinger 1968-8-6 423 Siskiyou Marble Mtn. Wilderness Area, SE side of Hancock Lake along trail. 1905 Comment
  HSC70592  Sanguisorba annua J. O. Sawyer, J. Cole 1981-7-2 4144 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CDA36167  Sanguisorba minor C. Pirosko 2002-5-14 s.n. Siskiyou Jones Valley 0 Comment
  UC923143  Sanicula graveolens Freed W. Hoffman 1950-7-13 3291 Siskiyou 1.1 mi from Baldy Lookout to Baldy Mountain (on South Fork Road); North Coast Ranges Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  HSC4154  Saponaria officinalis C. B. Wolf 1927-8-27 1131 Siskiyou On Klamath River, 7 mi. below Happy Camp Comment
  UC1212565  Saponaria officinalis Francia Chisaki and Helen Sharsmith 1959-8-20 4740 Siskiyou on road from Callahan three mi before reaching Etna (Scott Valley); Inner North Coast Ranges, Scott Valley 853 Comment
  UC1190142  Saxifraga ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  POM141796  Saxifraga howellii H. P. Chandler 1901-06 1613 Siskiyou Near Marble Mountain 2134 Comment
  JEPS47522  Saxifraga nidifica var. nidifica Harley P. Chandler 1901-6-25 1612 Siskiyou Salmon-Marble Mts. Upper Cuddihy Valley (Klamath River to Marble Mt.); , Klamath River to Marble Mt. 1524 Comment
  UC1190129  Saxifragopsis fragarioides Ira L. Wiggins 1955-7-27 13552 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC445877  Saxifragopsis fragarioides Doris K. Kildale 1929-7-20 8595 Siskiyou South east slope Preston Peak 1950 Comment
  CHSC106106  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS117616  Scirpus acutus var. occidentalis Lowell Ahart, John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC110851  Scirpus congdonii Doris K. Kildale 1928-8-19 6516 Siskiyou English Lake, head of the north fork of Salmon River Comment
  RSA167320  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou Flint Valley, about 5 miles southeast of Elk Valley 1433 Comment
  UC1152064  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou in swamp about 5 mi se Elk Valley (Flint Valley); se of Elk Valley, Flint Valley 1432 Comment
  CHSC86628  Scirpus microcarpus Jenny Marr 1993-7-1 11 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC111093  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Unspecified Comment
  CAS-BOT-BC111096  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1977-9-22 54824 Siskiyou Along small stream near Deter Camp, Mt. Shasta. 1676 Comment
  HSC101742  Scleranthus annuus subsp. annuus J. P. Smith, J. O. Sawyer 2010-5-2 12803 Siskiyou Oak Bottom River Access Road 175 Comment
  CAS-BOT-BC243490  Sclerochloa dura C. S. Giebner 1963-5-6 s.n. Siskiyou Sedge Nelson prop., opposite Game Refuge, Big Springs, Shasta Valley Comment
  SJSU7863  Sclerolinon digynum M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1219 Comment
  POM112204  Scribneria bolanderi Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  SEINET3160652  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  CHSC86652  Scutellaria antirrhinoides Jenny Marr 1993-7-1 35 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD69139  Scutellaria antirrhinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  JEPS62886  Scutellaria galericulata M. A. Howe August, 1894 Siskiyou Sisson Comment
  JEPS94880  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); along Old State Highway on the w side of Bray 1417 Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  UC1299473  Scutellaria siphocampyloides Freed W. Hoffman 1948-7-8 2563 Siskiyou s of Scott Bar (along Scott River); North Coast Ranges, Scott River Comment
  CAS-BOT-BC64656  Sedum kiersteadiae Wm. Bridge Cooke 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. 1676 Comment
  CAS-BOT-BC278769  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25641 Siskiyou FS Road 1040, 3.7-3.8 road miles (5.9 km) above junction with FS Road 10 at mouth of Carberry Creek, along Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains, Klamath Range (KR) 610 Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  UC630383  Sedum obtusatum subsp. boreale Annetta Carter 1939-8-21 1467 Siskiyou 12 mi sw Etna (steep slope above se end Taylor Lake, Salmon Mountains); Salmon Mountains, Taylor Lake, sw of Etna 2164 Comment
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  UCR37579  Sedum obtusatum subsp. boreale L. P. Janeway 1983-7-3 374 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  JEPS93953  Sedum obtusatum subsp. obtusatum Vernon H. Oswald and Lowell Ahart 1998-8-3 9429 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC64082  Sedum oregonense Annetta Carter 1939-8-21 1467 Siskiyou Slope about SE end of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. Comment
  JEPS82427  Sedum rosea subsp. integrifolium Gilbert Muth 1966-7-31 474 Siskiyou n side Black Mt. (Marble Mt. Wilderness Area); , n side Black Mt. 2057 Comment
  UC1410117  Sedum spathulifolium H. M. Wheeler Siskiyou Highway 96, 26 mi n Orleans (bridge at junction with Dillon Creek Road, steep exposed rocky wall); n of Orleans Comment
  CAS-BOT-BC59181  Sedum stenopetalum subsp. stenopetalum Dorothy Parker 1950-8-3 484 Siskiyou Little Mill Creek, Mount Bolivar 1828 Comment
  UCR143035  Selaginella densa var. scopulorum L. C. Wheeler 1934-8-3 3036 Siskiyou Klamath Ranges; Siskiyou Mountains, Big Rock, Dog Fork, Middlehell Creek 2091 Comment
  RSA13725  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2091 Comment
  CAS-BOT-BC363425  Senecio aronicoides Alice Eastwood 1923-5-22 11888 Siskiyou Sisson Comment
  CAS-BOT-BC363945  Senecio integerrimus var. exaltatus Alice Eastwood 1912-7-19 1236 Siskiyou Mount Shasta Comment
  JEPS101379  Senecio integerrimus var. exaltatus Dean W. Taylor 1997-6-12 16057 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  RSA0125031  Senecio integerrimus var. exaltatus Philip A. Munz 1952-7-2 17882 Siskiyou Road to Baldy Mt. northwest of Happy Camp. 1494 Comment
  CAS-BOT-BC364043  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1274 Siskiyou North Coast Ranges. Hupa Indian Reservation 1036 Comment
  CAS-BOT-BC364046  Senecio integerrimus var. major J. H. Thomas 1954-5-13 4137 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  HSC74441  Senecio jacobaea M. A. Baker 1980-6-20 2193 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS82730  Senecio triangularis Wayne Roderick 1983-7-10 Siskiyou near Del Norte County line; Doe Flat 1143 Comment
  HSC69336  Senecio triangularis John Palmer 1980-8-13 780 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA211197  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou North side of Caribou Mountain. 1982 Comment
  UC1557912  Sericocarpus oregonensis J. Semple, S. Heard 1986-8-16 8479 Siskiyou nw of Salmon Forks (along Salmon River, For. Hwy. 93); Salmon River Comment
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  HSC44609  Sidalcea malviflora Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  RSA183655  Sidalcea malviflora subsp. asprella Gilbert Muth 1965-8-12 212 Siskiyou Marble Valley, Marble Mountains Comment
  JEPS82481  Sidalcea oregana subsp. oregana Gilbert Muth 1965-8-12 212 Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1798 Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  RSA68870  Sidalcea oregana subsp. spicata A. E. Culbertson 1943-7-1 86 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  CAS-BOT-BC181194  Silene campanulata subsp. glandulosa Roxana S. Ferris; Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan 1524 Comment
  JEPS25645  Silene campanulata subsp. glandulosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7285 Siskiyou Poker Flat 1536 Comment
  HSC68056  Silene campanulata subsp. greenei J. P. Smith 1976-5-5 8684 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC388955  Silene grayi Alice Eastwood 1912-8-30 2007 Siskiyou Mount Eddy Comment
  POM151379  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  CAS-BOT-BC388941  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou To the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest 2377 Comment
  RSA477904  Silene hookeri Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC41680  Silene marmorensis J. O. Sawyer, Ken Stillman 1976-7-1 2762 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  SEINET10574541 Image available Silene menziesii var. viscosa Edward L. Greene 1876-6-29 Greene 900 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC389910  Silene vulgaris R. S. Richards 1967-6-15 s.n. Siskiyou Hwy 3, 1 mi. s. of Etna Comment
  CAS-BOT-BC75161  Sisymbrium altissimum Henry M. Pollard 1947-8-20 s.n. Siskiyou Spinks' Ranch, Roger's Creek near Gomes Bar. Comment
  UC164450  Smilacina racemosa Geo. D. Butler 1910-6-19 1587 Siskiyou Goosenest foothills 1524 Comment
  UC375210  Smilax californica Geo. D. Butler 1908-7-7 147 Siskiyou along creek near Yreka Comment
  RSA12707  Smilax californica Carl B. Wolf, E. R. Johnson 1934-10-10 6171 Siskiyou Along the Klamath River, 1/2 mile below Clear Creek. 305 Comment
  UC163726  Smilax jamesii Geo. D. Butler 1910-6-6 1466 Siskiyou Quartz Valley Comment
  JEPS93958  Solanum dulcamara Vernon H. Oswald and Lowell Ahart 1998-9-16 9637 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  JEPS12118  Solanum rostratum W. L. Kleaver 1921-7-30 Siskiyou Yreka Comment
  JEPS12113  Solanum triflorum W. L. Jepson 1940-6-23 19990 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  RSA428804B  Solanum triflorum Louis C. Wheeler 1935-7-13 3655 Siskiyou Ager. 793 Comment
  RSA50223  Solanum umbelliferum E. K. Balls 1949-7-9 13930 Siskiyou 8.1 Miles from Etna, road to Sawyer's Bar. 915 Comment
  SEINET7262072 Image available Solanum villosum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's Ranch, NE base of Mount Eddy Comment
  CAS-BOT-BC365551  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  SBBG25842  Solidago elongata D. Myrick 1966-8-11 1531 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC163885  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  UC185524  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  UC60957  Solidago elongata Geo. B. Grant Sept 1902 5191 Siskiyou Dunsmuir Dunsmuir (North California) 609 Comment
  UC36211  Solidago velutina subsp. californica State Survey c. 1889 Siskiyou Shasta Region Comment
  JEPS44988  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Etna Creek 1676 Comment
  HSC18907  Sorbus scopulina J. O. Sawyer 1968-6-18 203 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC29471  Sorbus scopulina Frederick W. Oettinger 1969-8-25 1556 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  UCD114046  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou Vicinity of Paradise Lake, at base of King's Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA237454  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-9-2 1607 Siskiyou N end of English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  CAS-BOT-BC390723  Spergularia rubra C. L. Hitchcock; J. S. Martin 1939-7-9 5334 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  UC454960  Spiraea densiflora I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  POM148451  Spiraea densiflora var. splendens J. B. Feudge 1927-7-22 1684 Siskiyou Trail. Mt. Shasta City to Mt. Eddy. 1372 Comment
  POM257755  Spiraea densiflora var. splendens C. Leo Hitchcock, J. S. Martin 1939-7-7 5272 -a Siskiyou Sanger Peak Trail. 1 mile S of Camp Chicago. Siskiyou Mtns ca 12 miles S of Takilma, Orgeon. 1433 Comment
  CAS-BOT-BC149684  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  CAS-BOT-BC149688  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mts., Siskiyou Mts. 1737 Comment
  UCD21460  Spiraea splendens Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1201 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  HSC62275  Spiraea splendens var. splendens Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC62276  Spiraea splendens var. splendens Ruby Van Deventer 5 Aug [year missing] Siskiyou Youngs Valley Comment
  HSC97382  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1974-8-16 420 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  RSA211188  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  HSC102661  Sporobolus cryptandrus J. P. Smith 2009-6-1 12619 Siskiyou Gazelle to Callahan Road. Comment
  RSA238549  Stachys rigida subsp. rivularis Frederick W. Oettinger 1969-8-19 1461 Siskiyou Salmon Mountains, High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness area. 1860 Comment
  CAS-BOT-BC202882  Staphylea bolanderi C. H. M. 1919-11-10 s.n. Siskiyou Baird, McCloud River Comment
  RSA610003  Stellaria calycantha L. C. Wheeler 1935-7-26 3697 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS128457  Stellaria crispa Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -058 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  HSC29619  Stellaria crispa Frederick W. Oettinger 1969-8-4 1166 Siskiyou Marble Mtn. Wilderness Area, above inlet to Hancock Lake 1951 Comment
  UCD99324  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake. Comment
  UC917271  Stephanomeria lactucina R. Tofsrud and J. M. Tucker 1948-8-4 1784 Siskiyou ca 1.5 mi nw McCloud Comment
  SEINET11262515  Stephanomeria lactucina Carl B. Wolf 1934-7-6 6027 Siskiyou W slope of Mt Shasta. Snowline Road, 3 3/10 mi from Mt Shasta City.; 0 Comment
  UC60926  Stephanomeria paniculata Geo. B. Grant Sept 1902 5064 Siskiyou Dunsmuir Mount Shasta 609 Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC18975  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1428 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC13360  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-22 246 Siskiyou Lava Beds National Monument, Canby Cross. 1220 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
  SJSU11314  Stipa occidentalis var. occidentalis S. H. Casey 1981-7-4 1207 Siskiyou Siskiyou Pass, Siskiyou Mts. 2 mi W of Cook & Green Pass, c. 7 mi N of Seiad Valley 1706 Comment
  CAS-BOT-BC87839  Streptanthus tortuosus Alice Eastwood 1912-7-23 1342 Siskiyou Cantara. Comment
  CAS-BOT-BC87862  Streptanthus tortuosus Carl B. Wolf 1934-7-4 5924 Siskiyou Klamath River, 3 miles below the Bar Creek. 213 Comment
  CAS-BOT-BC87865  Streptanthus tortuosus Margaret M. Hanna 1956-6-6 s.n. Siskiyou Glass Mountain. 2316 Comment
  HSC6948  Streptanthus tortuosus Lincoln Constance, R. C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 mi. S of Happy Camp 305 Comment
  JEPS54009  Streptanthus tortuosus Willis L. Jepson Jul 24 1894-Aug 10 1894 13406 Siskiyou beyond Sisson; Region of the Upper Sacramento, Upton Plateau Comment
  SEINET3149309  Streptanthus tortuosus L. S. Rose 1937-7-3 37386 Siskiyou Black Butte, N of Mt. Shasta City 1006 Comment
  UC710894  Streptanthus tortuosus var. orbiculatus C. L. Hitchcock and J. P. Martin 1939-7-7 5281 Siskiyou on side Sanger Peak 1645 Comment
  UC30072  Streptopus amplexifolius var. americanus unknown Jan 1896 C 2 Siskiyou Siskiyou Comment
  HSC45155  Swertia albicaulis var. nitida J. O. Sawyer, E. Cope 1977-6-19 2951 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  UC585194  Swertia albicaulis var. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1890 Siskiyou about 2 mi s Yreka 822 Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC164059  Symphoricarpos mollis var. acutus Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC245769  Symphoricarpos rotundifolius Elmer I. Applegate 1935-6-10 9482 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  JEPS40845  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou L. Eastlicks Ranch Oro Fino Comment
  UC223707  Symphyotrichum bracteolatum Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Creek 1737 Comment
  CAS-BOT-BC97879  Symphyotrichum eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara Comment
  CAS-BOT-BC97886  Symphyotrichum eatonii Alice Eastwood 1922-10-18 11513 Siskiyou Shasta Springs Comment
  CHSC72226  Symphyotrichum frondosum Vernon H. Oswald; Lowell Ahart 1998-9-16 9645 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC98442  Symphyotrichum spathulatum E. B. Copeland 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC98445  Symphyotrichum spathulatum Alice Eastwood 1921-7-25 10844 Siskiyou Bigelows, McCloud River Comment
  UC135424  Symphyotrichum spathulatum C. F. Baker 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC98854  Symphyotrichum spathulatum var. intermedium Milo S. Baker 1926-8-8 230 b-'26 Siskiyou Between Red Mt. and Grants Peak 2194 Comment
  HSC26764  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer 1971-9-18 4842 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC72274  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  JEPS109707  Symphyotrichum spathulatum var. yosemitanum Dean W. Taylor 2002-7-20 18256 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  UC1446411  Tauschia howellii Marla Shapiro 1979-8-21 446 Siskiyou Marble Mountain Wilderness, Sawyers Bar Quad, where the English Peak-Diamond Lake trail crosses the saddle on Crapo Ridge Klamath National Forest 2194 Comment
  CAS-BOT-BC85237  Taxus brevifolia H. E. Brown 1897-6-1 311 Siskiyou Near Sisson 1082 Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  UC902021  Taxus brevifolia Joseph P. Tracy 1949-9-14 18553 Siskiyou 6 mi ne Cecilville; Shadow Creek 914 Comment
  UCD135162  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  SJSU6490  Tellima grandiflora R. W. Trivelpiece 1972-6-4 106 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  CAS-BOT-BC332879  Tetradymia canescens J. William Thompson 1936-7-8 13164 Siskiyou Lava Beds National Monument Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  UC1560409  Thelypodium flexuosum E. Joyal and D. Mehlman 1988-6-25 1278 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
Read comments
Jan 14 2009
  HSC43111  Thysanocarpus curvipes Maralyn O'Meara 1974-5-25 366 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC46212  Thysanocarpus curvipes Jennifer Whipple 1976-5-2 903 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  JEPS83830  Tofieldia occidentalis subsp. occidentalis Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake Siskiyou Mts., vicinity Cook and Green Pass Comment
  HSC73319  Tolmiea diplomenziesii Gail Newton 1980-6-20 500 Siskiyou Near Bald Mtn. 1097 Comment
  SJSU6508  Tolmiea diplomenziesii R. W. Trivelpiece 1972-6-15 119 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC70529  Tonella tenella J. P. Smith 1973-5-5 6509 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC519573  Triantha occidentalis subsp. occidentalis H. E. Brown 1897-6-11 641 Siskiyou Mt.Shasta Comment
  NY444545  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Comment
  SEINET13710780  Trichostema oblongum Lowell William Ahart, Lowell William Ahart 1998-1 9358 Siskiyou NE of Weed, E of Grass Lake, and West of Bray on Old Stste Hwy. 0.8 Mi. E of Tennent Rd. (T44N, R1W, sec 20, SW 1/4) 4650 Ft. 1417 Comment
  SBBG25902  Trifolium cyathiferum D. Myrick 1966-8-9 1513 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CHSC71483  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1998-7-21 9340 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CHSC88102  Trifolium eriocephalum subsp. eriocephalum Jenny Marr 1993-7-1 112 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC555597  Trifolium eriocephalum var. eriocephalum H. L. Mason 1929-5-18 5332 Siskiyou s Yreka Comment
  HSC58924  Trifolium howellii Marvin Butler 1971-8-11 282 Siskiyou Near Marv's Meadow 1464 Comment
  HSC32292  Trifolium longipes J. O. Sawyer 1971-6-29 2396 Siskiyou Elk Hole 1524 Comment
  HSC44939  Trifolium longipes J. O. Sawyer 1978-6-20 3265 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UC1607584  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou ca 4 air mi due w Mt. Shasta City (at end of FR 41N53 ca 1 mi n of Morgan Meadows); east side of Mt. Eddy; w center Comment
  UC618762  Trifolium longipes var. hansenii W. B. Cooke 1938-7-1 11151 Siskiyou below Wagon Camp; Mt. Shasta 1676 Comment
  JEPS128458  Trifolium productum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -059 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  HSC73335  Trifolium repens Gail Newton 1980-6-20 468 Siskiyou Near Bald Mtn. 1097 Comment
  HSC18997  Trifolium repens J. O. Sawyer 1969-7-26 1585 Siskiyou Along Sugar Creek 1707 Comment
  CHSC91362  Trifolium retusum Lowell Ahart; John Dittes 2005-6-10 12124 Siskiyou Northeast of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  POM20470  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou Yreka. Comment
  JEPS47266  Trillium albidum Edward Lee Greene 1876-4-24 Siskiyou near Yreka Comment
  POM170287  Trillium albidum Geo D. Butler 1910-4-25 1242 Siskiyou Along shady thicket at Scott River. Comment
  HSC48298  Trillium ovatum P. Stekel, K. T. Stillman May 1977 233 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC30088  Trillium ovatum Harley P. Chandler June, 1901 1550 Siskiyou Ridges and meadows near Marble Mountain, 10 ft from melting snow 1828 Comment
  HSC73336  Trisetum spicatum Gail Newton 1980-6-20 464 Siskiyou Near Bald Mtn. 1097 Comment
  RSA184774  Trisetum spicatum Gilbert Muth 1966-8-3 491 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  RSA238975  Trisetum spicatum Frederick W. Oettinger 1969-7-28 1084 Siskiyou SSW of Little Hancock Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC133484  Triteleia crocea Geo. D. Butler 1910-5-5 1287 Siskiyou Humbug Mt. Comment
  RSA378084  Triteleia crocea M. B. Dunkle 1944-7-18 9139 Siskiyou Siskiyou National Forest Comment
  CAS-BOT-BC80256  Tsuga mertensiana subsp. grandicona L. E. Smith 1913-8-1 545 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  CAS-BOT-BC404213  Urtica dioica subsp. holosericea Carl B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek 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
  HSC24792  Vaccinium cespitosum J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  HSC67683  Vaccinium cespitosum John Palmer 1980-7-24 624 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA238838  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou N. shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC19332  Vaccinium membranaceum J. O. Sawyer 1969-8-4 1800 Siskiyou Above Sugar Lake 2134 Comment
  UCD118068  Vaccinium membranaceum D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  HSC27974  Vaccinium ovatum Carl W. Mize 1972-9-24 127 Siskiyou 732 Comment
  CAS-BOT-BC199476  Vaccinium parvifolium Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC98192  Vaccinium scoparium J. O. Sawyer 1969-8-3 1725 Siskiyou W of Little Duck Lake 2195 Comment
  HSC30619  Vaccinium uliginosum Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake, Salmon Mountains 1418 Comment
  CAS-BOT-BC199528  Vaccinium uliginosum W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar and Warm Castle, near McCloud Comment
  LA44769  Vaccinium uliginosum subsp. occidentale Wm. Bridge Cooke; 1939-7-7 13606 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  RSA433754  Valeriana capitata subsp. californica Unspecified 9201 Siskiyou Marble Valley, Marble Mountains. Comment
  UC890166  Valerianella locusta Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek (Siskiyou Mts.); , Klamath River at Ash Creek 609 Comment
  JEPS84208  Vancouveria chrysantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6316 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  UC637032  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Happy Camp to Waldo (Oregon) road watershed of West Branch of Indian Creek; Klamath National Forest, watershed West Branch Indian Crk 1463 Comment
  UC164384  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Shackleford Creek, Log Lake Comment