Search Results — 2000 specimen records retrieved (1365 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SISKIYOU; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

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.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78125  Abies X shastensis Doris K. Kildale 1928-8-20 6602 Siskiyou Lily Pad Lake near Hancock Lookout, Trail to Marble Mt. 2072 Comment
  JEPS83903  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou e of Slaughter House Flat (n slope of Black Mt.); Black Mt. 1524 Comment
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC67827  Abies concolor J. O. Sawyer, J. Cole 1980-7-20 3762 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC401382  Abies concolor Annie M. Alexander and L. Kellogg 1911-6-20 159 Siskiyou Jackson L. Comment
  HSC96306  Abies lasiocarpa var. lasiocarpa Gordon Leppig 1998-8-14 1031 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SEINET5432355 Image available Abies magnifica Ross C. Clark, Bob Harvey; Chris Harvey 23915 Siskiyou Mt. Shasta. Comment
  JEPS42681  Acer glabrum Geo. D. Butler 1908-8-5 531 Siskiyou Wooley Creek Comment
  CAS-BOT-BC331025  Acer glabrum var. glabrum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  CAS-BOT-BC331048  Acer glabrum var. glabrum Wm. Bridge Cooke 1938-6-17 11003 Siskiyou Mount Shasta; Sisson Southern Trail. 1981 Comment
  CAS-BOT-BC331050  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  CAS-BOT-BC332794  Acer macrophyllum Doris K. Kildale 1928-7-3 5452 Siskiyou Little North Fork, Salmon River Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  CAS-BOT-BC376180  Acer negundo Andrew Townesmith; Karen M. Meyer 2007-8-3 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC18869  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou Mount Shasta, on upper flats along the Mud Creek Canyon on its west side. 2895 Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC36896  Achillea millefolium J. P. Smith 1974-5-25 7513 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC30431  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  CAS-BOT-BC400004  Achlys triphylla A. M. Vollmer; L. Beane 1951-6-2 87 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC210866  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-6 15095 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC210873  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon Camp-Horse Camp Trail Comment
  SEINET203569  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs; Mt Shasta 1524 Comment
  CAS-BOT-BC218018  Achnatherum thurberianum John Thomas Howell 1952-6-14 28352 Siskiyou Serpentine Knoll, 7 miles E of Callahan on road to Gazelle Comment
  POM115239  Achnatherum thurberianum Geo D. Butler, A. S. Hitchcock 1910-5-4 1277 Siskiyou Dry hill, Yreka. Comment
  RSA716055  Achnatherum thurberianum L. Ahart, John Dittes 2005-6-9 12018 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  HSC71631  Acmispon micranthus J. P. Smith 1973-5-5 6504 Siskiyou Along Cook and Green Pass Rd. Comment
  UCD104265  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  UCD77302  Aconitum columbianum Robert E. Preston 2001-7-20 1682 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1712 Comment
  RSA608668  Aconitum columbianum Louis C. Wheeler 1963-9-11 8382 Siskiyou Siskiyou Mountains: Dillon Creek. 1494 Comment
  CAS-BOT-BC391517  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-16 1129 Siskiyou McCloud Comment
  CAS-BOT-BC412908  Aconogonon davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC418809  Aconogonon phytolaccifolium K. T. Stillman 1976-7-7 164 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC418812  Aconogonon phytolaccifolium G. J. Muth 1969-8-12 1372 Siskiyou Second Valley Comment
  HSC86554  Aconogonon phytolaccifolium D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC160923  Actaea rubra Harley P. Chandler June, 1901 1560 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 1828 Comment
  CAS-BOT-BC29319  Adenocaulon bicolor H. A. Thomas; J. H. Thomas 1954-7-21 4396 Siskiyou Salmon-Trinity Mtns, about 6 mi SE of Cecilville, west side of Rush Creek. 1036 Comment
  HSC4989  Adenocaulon bicolor J. O. Sawyer 1968-6-18 197 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA264984  Adenocaulon bicolor Gilbert Muth 1975-8-1 s.n. Siskiyou Near Sutcliffe Creek, near Happy Camp 1341 Comment
  UC1409501  Adenocaulon bicolor F. W. Oettinger 1969-8-9 1317 Siskiyou toward 5 mile Stock Gate along main North Fork trail Abbott's Upper Cabin; Salmon Mountains 1356 Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC42043  Adiantum aleuticum Marshall A. Howe 1894-8-7 Siskiyou Mossbrae Falls Shasta Soda Springs Comment
  JEPS62947  Agastache urticifolia Ruby Van Deventer 1938-7-31 188 Siskiyou Poker Flat 1219 Comment
  UC1408770  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou margins of Bear Meadow between English Peak and Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  RSA31957  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  CAS-BOT-BC29452  Ageratina occidentalis Alice Eastwood 1912-8-28 1944 Siskiyou Cantara Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  UC642578  Agoseris aurantiaca var. aurantiaca W. B. Cooke 1939-7-26 13638 Siskiyou lower portion of the meadow area Panther Creek; Mount Shasta Comment
  RSA14497  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CHSC98747  Agoseris glauca var. monticola L. P. Janeway; B. Castro 2007-7-29 9139 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  JEPS116612  Agoseris grandiflora Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -008 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73,Hotlum Fire area burned in Feb 2006, 4 miles NE of towm of Weed Mt. Shasta 1090 Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  HSC73346  Agoseris heterophylla Gail Newton 1980-6-20 455 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC13187  Agoseris monticola Alice Eastwood 1921-7-28 10922 Siskiyou Medicine Lake Comment
  HSC92335  Agoseris monticola Jennifer Whipple 1976-8-20 1726 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  POM33138  Agoseris retrorsa Geo. D. Butler 1910-5-15 1347 Siskiyou Greenhorn Mountain 1067 Comment
  RSA184778  Agrostis Gilbert Muth 1966-7-31 478 Siskiyou North side of Black Mountain, Marble Mountains. 2073 Comment
  CAS-BOT-BC126982  Agrostis exarata Louis C. Wheeler 1934-7-2 2843 Siskiyou Klamath Forest. Little Smoky Creek. 1280 Comment
  HSC77085  Agrostis exarata K. T. Stillman 1976-7-30 330 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UCD52094  Agrostis exarata Beecher Crampton 1956-8-21 3804 Siskiyou slope above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  SEINET7593589 Image available Agrostis exarata E. B. Copeland 1903-1 3903 Siskiyou Foot of Mt. Eddy 1219 Comment
  CAS-BOT-BC139574  Agrostis gigantea Wm. Bridge Cooke 1938-9-17 11693 Siskiyou Mount Shasta. Horse Camp. 2438 Comment
  HSC65673  Agrostis gigantea Donald W. Miles 1979-7-23 24 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  RSA129196  Agrostis gigantea H. S. Yates 1936-6-21 5824 Siskiyou one mile southeast of Gazelle. 793 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
  UC535955  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou w side Medicine Lake; w side Medicine Lake 1981 Comment
  CAS-BOT-BC138931  Agrostis pallens Louis C. Wheeler 1934-8-14 3144 Siskiyou Siskiyou Mountains. East end White Mountain. 1767 Comment
  HSC30557  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  RSA239087  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 a Siskiyou near Upper English Lake? The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET7594120 Image available Agrostis pallens Annie M. Alexander, Louise Kellogg 1949-1 5818 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC138698  Agrostis scabra Copeland 1903-9-5 3799 Siskiyou Igerna. Comment
  HSC30583  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  POM7417  Agrostis scabra Copeland 1903-9-5 3799 Siskiyou Igerma, N. Cal Comment
  RSA126057  Agrostis scabra I. L. Wiggins 1955-7-22 13448 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  HSC91586  Agrostis thurberiana Jennifer Whipple 1977-8-6 2214 Siskiyou SW of Dobkins Lake, along drainage into lake. 2256 Comment
  UC1265423  Agrostis thurberiana Frederick W. Oettinger 1969-9-4 1645 Siskiyou Tobacco Lake meadows, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  HSC271  Agrostis variabilis William J. Ferlatte 1967-8-20 1074 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  RSA47814  Allium amplectens Roxana S. Ferris, Laura Lorraine 11720 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  CAS-BOT-BC462990  Allium bolanderi C. L. Hitchcock; J. S. Martin 1939-7-9 5309 Siskiyou 1 mile above Bucher's Ranch, Canyon Creek, ca. 3 miles west of Turner's Camp 1219 Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC465426  Allium campanulatum Wm. Bridge Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  CHSC6569  Allium falcifolium R. Carter 1966-5-15 407 Siskiyou 1.7 mi. SE of Calahan, 1.1 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd. Comment
  HSC91449  Allium falcifolium Jennifer Whipple 1976-6-17 1017 Siskiyou N face of Mt. Eddy 2226 Comment
  RSA48580  Allium falcifolium Philip A. Munz 1949-5-18 13304 Siskiyou Divide, south of Callahan on road to Trinity Center. 1524 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
  CAS-BOT-BC132144  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  UCD138603  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  UC454416  Allium validum I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork 1371 Comment
  UC803883  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4020 Siskiyou 10 mi w Weeds (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  HSC41797  Allotropa virgata Brent Whiteley 1975-6-28 102 Siskiyou Irving sale of the Klamath National Forest 915 Comment
  CAS-BOT-BC171404  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  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
  RSA0044689  Alnus incana subsp. tenuifolia Geo. D. Butler 1316 Siskiyou Goosenest foothills. 1524 Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  CAS-BOT-BC138105  Alopecurus aequalis var. aequalis Dorothy Parker 1950-6-21 460 Siskiyou Along the edges of a slough in Scott Valley. 853 Comment
  JEPS52986  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  CAS-BOT-BC17202  Alyssum alyssoides L. E. Smith 1913-5-27 299 Siskiyou Weed. Comment
  UCD114086  Alyssum alyssoides John Thomas Howell 1952-6-14 2 Siskiyou Between Gazelle and Callahan. Comment
  SEINET3155432  Amaranthus blitoides G. D. Butler 1910-8-5 1812 Siskiyou Yuka Comment
  CHSC27774  Amelanchier pallida K. Bridwell 1978-4-15 92 Siskiyou PP and L waterfall ca. 300 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  HSC41461  Amelanchier pallida J. P. Smith 1973-5-5 6510 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC98  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat, near public camp 1524 Comment
  RSA237659  Amelanchier pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1483468 Image available Amelanchier utahensis Maralyn A. Renner 1980-8-7 2432 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
Read comments
Dec 20 2007
  UC796487  Amelanchier utahensis Roxana S. Ferris and Laura Lorraine 1948-6-12 11844 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); Gazelle Mountain 1499 Comment
  JEPS61146  Amsinckia intermedia Geo. D. Butler 1904-4-20 600 Siskiyou near Yreka Comment
  POM72147  Amsinckia intermedia Geo. D. Butler 1910-5-3 1296 Siskiyou Yreka Comment
  SEINET12480057  Amsinckia menziesii G. D. Butler 1269 Siskiyou Yreka. Comment
  CDA40468  Amsinckia menziesii T. C. Fuller 1962-5-17 8743 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  UC134306  Anaphalis margaritacea Copeland 1903-8-13 3816 Siskiyou Sisson Comment
  CAS-BOT-BC391802  Anemone deltoidea Roxana S. Ferris; Laura Lorraine 1948-6-12 11740 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC1409279  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  UC609311  Anemone drummondii Eleanor Burks Hart 1938-8-20 944 Siskiyou below Red Cap 2407 Comment
  HSC58912  Anemone multifida Marvin Butler, J. L. Kraemer 1971-7-11 91 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC391968  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  JEPS74555  Angelica arguta W. J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps, Big Flat, area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  UC1356635  Angelica arguta J. F. Emmel 1968-7-22 90 Siskiyou Trinity Alps, Caribou Lake Caribou Lake; Trinity Alps, Caribou Lake 2103 Comment
  UC1360403  Angelica arguta J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mi ne of Marble Valley Guard Station (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1920 Comment
  HSC70542  Angelica arguta Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UCD127110  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  HSC38896  Angelica tomentosa J. P. Smith, Steve Selva 1970-7-15 4369 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC71954  Angelica tomentosa J. M. DiTomaso 1980-8-4 1847 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. 1341 Comment
  UCD127195  Angelica tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou around 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  RSA183708  Angelica tomentosa var. tomentosa Gilbert Muth 1965-8-18 233 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  JEPS22832  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls; Mt. Eddy. 1371 Comment
  UC1409471  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou between Charmaine Lake and Abbott's Lake; The Salmon Mountains, Marble Mountain Wilderness Area, Engli 1859 Comment
  HSC62588  Antennaria microphylla Al Hobart Siskiyou Youngs Valley Comment
  HSC92260  Antennaria microphylla Jennifer Whipple 1976-7-2 1271 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  SBBG30513  Antennaria rosea D. Myrick 1968-6-26 2031 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA211485  Antennaria rosea William J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA238710  Antennaria rosea Frederick W. Oettinger 1969-9-3 1615 Siskiyou On the bedrock slopes of Shasta Ridge between English Peak and Diamond Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA238716  Antennaria rosea Frederick W. Oettinger 1968-8-5 402 -b Siskiyou Shasta ridge between Diamond lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC84758  Antennaria rosea subsp. rosea K. T. Stillman 1976-8-7 213 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 1950 Comment
  UC902212  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1949-9-14 18551 Siskiyou 5 mi w Cecilville (along South Fork of Salmon River) 670 Comment
  CHSC91247  Apera interrupta Lowell Ahart; John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC65308  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-7-15 4371 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC91437  Apocynum androsaemifolium Jennifer Whipple 1977-8-5 2179 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  RSA183745  Apocynum androsaemifolium subsp. pumilum Gilbert Muth 1965-8-6 191 Siskiyou Marble mts, trail to backside of Black Mt. Comment
  UC1190163  Aquilegia formosa Ira L. Wiggins 1955-7-24 13499 Siskiyou above diversion dam (trail at crossing of China Creek) 1301 Comment
  UC375263  Aquilegia formosa Geo. D. Butler 1908-8-3 358 Siskiyou Shackleford Creek Log Lake Comment
  HSC44591  Aquilegia formosa var. truncata Laura Witherspoon 1977-6-30 Siskiyou Dillon Camp 1494 Comment
  HSC29157  Arabis divaricarpa Frederick W. Oettinger 1969-7-15 1030 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Bear Meadows, near Tom's Lake 2188 Comment
  RSA0126147  Arabis divaricarpa Frederick W. Oettinger 1968-9-10 814 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  HSC95693  Arabis drummondii Juha Pykala, D. H. Norris 1987-7-26 2009 Siskiyou Klamath National Forest, N of Sulphur Springs between Doolittle Creek and Stanza Creek, eastern tributaries of Elk Creek 1372 Comment
  UC1408892  Arabis glabra F. W. Oettinger and R. F. Thorne 1969-8-5 1309 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  RSA0125826  Arabis glabra Frederick W. Oettinger 1969-8-17 1413 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 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
  HSC39216  Arabis modesta J. P. Smith 1976-5-5 8698 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  UC583410  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou between Hamburg and Seiad Valley; Klamath River 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
  RSA0129720  Arabis platysperma George B. Grant 1902-9-7 5097 Siskiyou Mt. Shasta. Comment
  UC1299655  Arabis rectissima var. rectissima Freed W. Hoffman 1948-7-8 2588 Siskiyou 7.5 mi n West Branch Camp (Waldo-Happy Camp Road); North Coast Ranges 1402 Comment
  UC165958  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou near Yreka Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  CDA40892  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 2 of 2 Comment
  JEPS40140  Arceuthobium campylopodum Milo S. Baker 1923-8-17 303 Siskiyou near Camp 6 Siskiyou Ntional Forest Comment
  UCD78114  Arceuthobium campylopodum Robert E. Preston 2003-7-31 2175 Siskiyou N slope of Rainbow Mountain 1706 Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCR51807  Arctium minus L. C. Wheeler 1934-9-17 03276 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 703 Comment
  CAS-BOT-BC102218  Arctium minus Lewis S. Rose 1945-6-18 45052 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC39978  Arctostaphylos nevadensis W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake by Mt. Shasta. Comment
  CAS-BOT-BC45441  Arctostaphylos nevadensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 Siskiyou At Mile Creek crossing on Scott Mt. Rd. s. of Callahan. 1493 Comment
  HSC4921  Arctostaphylos nevadensis J. O. Sawyer 1968-9-9 660 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC68313  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1228 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC740  Arctostaphylos nevadensis William J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake Basin 1677 Comment
  HSC92274  Arctostaphylos nevadensis Jennifer Whipple 1976-6-11 968 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  JEPS83893  Arctostaphylos nevadensis Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  CAS-BOT-BC46454  Arctostaphylos patula C. Hart Merriam 1919-9-23 s.n. Siskiyou Weed. Comment
  CAS-BOT-BC46462  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mt. 1524 Comment
  CAS-BOT-BC46480  Arctostaphylos patula Doris K. Kildale 1928-7-2 5340 Siskiyou Salmon Summit, on the Horn Creek Trail. 1981 Comment
  CAS-BOT-BC46482  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  CAS-BOT-BC46521  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20820 Siskiyou On road to Mt. Eddy. 1524 Comment
  LA42233  Arctostaphylos patula William Bridge Cooke; 1939-8-4 sn Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  CDA38689  Arctostaphylos patula T. C. Fuller 1962-5-17 8733 Siskiyou East of Hwy. 99, 3 miles south of Mt. Shasta City. 0 Comment
  CDA38690  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  RSA238585  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Mt. Chaparral element due E. of Uncles Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET11990947  Arctostaphylos patula Unknown 1983-1 4887 Siskiyou Terrace Lake 1898 Comment
  CAS-BOT-BC47007  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1927-8-26 1028 Siskiyou On the Klamath River, 5 mi. below Hornbrook. Comment
  POM163880  Arenaria congesta var. suffrutescens E. B. Copeland 1903-8-18 3908 Siskiyou Mt. Eddy. 2073 Comment
  UC1282011  Arenaria congesta var. suffrutescens Louise Kellogg Aug 5 1953-Aug 7 1953 107 Siskiyou 1 mi n Cory Peak ((11 mi e of Callahan on road to Gazzelle, then s 5.8 mi on loggin road).); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  UC8104  Arenaria congesta var. suffrutescens Harley P. Chandler 1901-6-1 1674 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  CDA10114  Arnica chamissonis subsp. foliosa T. C. Fuller 1960-6-3 4615 Siskiyou Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  UC166178  Arnica cordifolia Geo. D. Butler 1910-4-21 1216 Siskiyou Oro Fino Comment
  HSC92328  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou N facing slopes in Mt. Eddy region on Deadfall Mtn. 2226 Comment
  HSC22142  Arnica latifolia J. O. Sawyer 1968-6-18 207 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UC166159  Arnica mollis Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek 1219 Comment
  UC1190275  Arnica nevadensis Ira L. Wiggins 1955-7-27 13562 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC29297  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; NE-facing slope NW above Upper English Lake 2012 Comment
  CAS-BOT-BC85048  Arnica spathulata Volney Rattan 1876-6-1 s.n. Siskiyou Siskiyou Mts. Comment
  HSC63613  Arnica viscosa Richard Spjut, Emelia Russell 1979-8-28 5510 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  JEPS93964  Artemisia biennis Vernon H. Oswald and Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath National Wildlife Refuge 3 mi s of Highway 161; Lower Klamath National Wildlife Refuge 1243 Comment
  CAS-BOT-BC172863  Artemisia douglasiana J. K. Nelson; J. P. Nelson; Soren Nelson 2004-8-29 2004 -095 Siskiyou South side Mt. Shasta, at unnamed springs west of Mud Creek Dam, along Road 31 1584 Comment
  CAS-BOT-BC97250  Artemisia ludoviciana J. P. Smith; J. O. Sawyer 1973-8-14 7324 Siskiyou Hillside west of Cliff Lake 2011 Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 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
  CAS-BOT-BC93710  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1470 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  UC1190087  Artemisia tridentata subsp. tridentata George H. Ward and Ann Ward 1949-7-14 828 Siskiyou 15 mi ne Weed Comment
  CAS-BOT-BC447714  Aruncus dioicus var. vulgaris Carl B. Wolf 1927-8-27 1139 Siskiyou On the Klamath River at the mouth of Crawford Creek Comment
  RSA96622  Aruncus sylvester Percy C. Everett, E. K. Balls 1954-10-13 20280 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC400697  Asarum hartwegii Doris K. Kildale 1929-5-12 7785 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  CHSC71848  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  SEINET515877  Asclepias fascicularis Vernon H. Oswald 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  SEINET12283214  Asclepias fascicularis M. Ownbey, Meyer, F. G. 1940-1 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook Comment
  JEPS82682  Aspidotis densa Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow) 1935 Comment
  CAS-BOT-BC99230  Aster Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  RSA351096  Aster frondosus L. C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek. 1220 Comment
  CDA6798  Aster novae-angliae T. C. Fuller 1966-10-6 15244 Siskiyou Etna, Scott Valley. 0 Comment
  UCD105521  Astragalus Geo. W. King 1926-4-25 s.n. Siskiyou Montague, thru Mt. Elwood. Comment
  CAS-BOT-BC178813  Astragalus californicus L. E. Smith 1914-5-14 697 Siskiyou Yreka Comment
  JEPS117871  Astragalus curvicarpus var. curvicarpus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -15 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  RSA715776  Astragalus filipes L. Ahart 2005-6-10 12092 Siskiyou About 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC187305  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Near Grenada Station 822 Comment
  HSC36940  Astragalus lentiginosus var. lentiginosus J. P. Smith 1974-5-27 7611 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC81985  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-16 4872 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  CHSC32932  Asyneuma prenanthoides J. P. Smith; Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 228 Comment
  HSC65311  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-15 4340 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC67631  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-16 4396 Siskiyou Blue Mtn. Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  CAS-BOT-BC66186  Athyrium filix-femina var. cyclosorum W. B. C. 1939-7-21 13700 Siskiyou outlet of the Municipal Spring above Howard 1280 Comment
  CDA2951  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CDA2942  Atriplex rosea T. C. Fuller 1963-8-27 11164 Siskiyou North shore of Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  HSC4354  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  UC164030  Atriplex rosea Geo. D. Butler 1909-9-20 1066 Siskiyou damp fields near Yreka; damp fields near Yreka Comment
  CAS-BOT-BC106544  Balsamorhiza deltoidea J. H. Thomas 1954-5-14 4183 Siskiyou Salmon Muontains, Klamath National Forest. Near South Fork of Salmon river, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC100049  Balsamorhiza hookeri Dorothy Parker 1951-5-20 s.n. Siskiyou on the summit of Scott Mountain 1630 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
  HSC203  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA237235  Barbarea orthoceras Frederick W. Oettinger 1968-9-10 813 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  UCR101150  Berberis aquifolium var. aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Saloman and Marble Mtns, Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  UC1190258  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou 2 mi above Mt View Ranch (Rush Creek Trail) 1097 Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  UCR64607  Betula occidentalis L. C. Wheeler 1934-6-27 02808 Siskiyou Siskiyou Mtns., Cottonwood Creek 976 Comment
Read comments
Feb 12 2013
  HSC82358  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS22624  Blepharipappus scaber George D. Butler 1909-4-28 590 Siskiyou 9 mi nne of Fort Jones (Cherry Creek, tributary of McAdams Creek, vicinity of site of settlement of Deadwood); Cherry Creek, McAdams Creek, Deadwood 1005 Comment
  UC595077  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou near Mill Creek (on hillside .4 mi s of Scott Mt. Lodge, Scott Mts.); Scott Mts. 1036 Comment
  HSC2224  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Siskyou Mtns.; Yreka Creek 1220 Comment
  POM261245  Blepharipappus scaber H. C. Cantelow 1936-5-21 s.n. Siskiyou 12 miles from Etna on road to Callahan. Comment
  UCD129599  Blepharipappus scaber Daryl Koutnik; Martha Townsend 1979-9-10 593 Siskiyou Five miles southwest of Yreka on Fort Jones Road. 914 Comment
  CHSC36131  Boechera breweri K. Bridwell 1978-4-15 95 Siskiyou Irongate Reservoir at Jenny Creek, ca. 20 mi ne of Hornbrook. 762 Comment
  SEINET193231  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles north of Yreka. 762 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
  CAS-BOT-BC16046  Boechera breweri subsp. shastaensis J. H. Thomas 1954-5-14 4175 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  CAS-BOT-BC16053  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  JEPS84108  Boechera divaricarpa L. R. Heckard with J. Hickman et al. 1986-7-17 6549 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  CAS-BOT-BC25423  Boechera retrofracta L. E. Smith 1913-4-26 127 Siskiyou Dunsmuir. Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  CHSC96093  Boechera retrofracta L. P. Janeway 2006-7-3 8752 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  CAS-BOT-BC25612  Boechera retrofracta John Thomas Howell 1937-7-26 13570 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25691  Boechera sparsiflora John Thomas Howell 1937-7-26 13567 Siskiyou Salmon River Canyon. Between Big Flat and Caribou Gulch. Comment
  JEPS53188  Boechera subpinnatifida J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  UC1159805  Bolboschoenus maritimus Edward J. O'Neill 1965-9-18 Siskiyou Tulelake Fish and Game Wildlife Refuge Comment
  HSC67713  Boykinia major John Palmer 1980-7-24 613 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC418462  Boykinia major Douglas Barbe 1955-7-4 093 Siskiyou 11 miles south of Etna on the North Fork of French Creek, about 1000' from Parrot Mill Rd.; Klamath Mountains 975 Comment
  HSC86545  Boykinia major D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC1211915  Boykinia occidentalis Roy L. Taylor 1960-6-12 4449 Siskiyou on Hwy 96, 46.5 mi sw of Happy Camp bridge over Klamath River; sw of bridge over Klamath River Comment
  JEPS18783  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou along creek near Yreka Comment
  CHSC29303  Brickellia greenei J. D. Prouty 1979-8-6 79 .95 Siskiyou Near summit of Stud Hill. 1767 Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  UCD70189  Brickellia greenei D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  SEINET10570676  Brodiaea A. Arthur Heller 1919-6-25 Heller 13265 Siskiyou Compton's parairie, north base of Mt. Eddy in the yellow pine belt, 3800 feet. An almost treeless grassy area, well watered by the small streams forming the Shasta River. Comment
  CAS-BOT-BC484384  Brodiaea elegans subsp. elegans Clarice Nye 1940-7-1 s.n. Siskiyou Near Copco, Green Springs Mountain, California-Oregon border Comment
  HSC101478  Bromus carinatus var. carinatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12992 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  UC1265357  Bromus carinatus var. carinatus F. W. Oettinger 1968-8-6 453 Siskiyou Salmon Mountains, Crapo Meadow, w Siskiyou County Crapo Meadow; Salmon Mountains, Crapo Meadow 2133 Comment
  UCD58497  Bromus carinatus var. marginatus A. H. Murphy 1955-5-29 55 V Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  HSC36753  Bromus hordeaceus J. P. Smith 1974-5-25 7405 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCSB63786  Bromus japonicus Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Hwy 97 between Weed and Macdoel at W end of Grass Lake (T44N R3W NE1/4 Sect 28) 1524 Comment
  CAS-BOT-BC162136  Bromus orcuttianus R. E. Frenkel 1963-7-13 229 Siskiyou On Everitt Memorial Highway 4.7 miles north of McCloud River Railroad crossing. Along both sides of road. 1545 Comment
  HSC39663  Bromus orcuttianus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5736 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  RSA239076  Bromus orcuttianus Frederick W. Oettinger 1969-8-4 1157 Siskiyou near Halfway Spring between English Lake & Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1265362  Bromus orcuttianus F. W. Oettinger 1968-9-2 664 Siskiyou Salmon Mountains, sw side of Upper English Lake, w Siskiyou County Upper English Lake; Salmon Mountains, Upper English Lake 1868 Comment
  HSC101710  Bromus sterilis J. P. Smith, J. O. Sawyer 2011-6-25 13258 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  RSA239070  Bromus suksdorfii Frederick W. Oettinger 1969-9-2 1588 Siskiyou Above Bear meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD59847  Bromus tectorum R. Tofsrud 1947-6-24 37 Siskiyou Near Gazelle. Comment
  RSA60714  Bromus tectorum var. glabratus I. L. Wiggins 1950-5-27 12356 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  CAS-BOT-BC185263  Calamagrostis koelerioides Doris K. Kildale 1928-8-20 6621 Siskiyou Hancock Lookout, on trail to Marble Mountain. 2151 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC92434  Calamagrostis koelerioides Jennifer Whipple 1977-7-22 2028 Siskiyou Near Dobkins Lake 2073 Comment
  UC166502  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek 1371 Comment
  UCD57331  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC85739  Calocedrus decurrens Doris K. Kildale 1929-7-20 8679 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  OBI55418  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  UC202645  Calocedrus decurrens Geo. D. Butler 1910-1-15 1109 Siskiyou Forest House Mountain Comment
  UC60898  Calocedrus decurrens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  CHSC2232  Calochortus nudus N. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC493093  Calochortus nudus Alice Eastwood 1912-7-15 1109 Siskiyou vic. Cloud Comment
  CAS-BOT-BC493097  Calochortus nudus Frank Callahan 1994-8-15 s.n. Siskiyou SE of Bartle both side of Hwy 89 in open to nearly closed canopy meadows with Salix and Pinus contorta. 1493 Comment
  UC454387  Calochortus tolmiei I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1828 Comment
  JEPS80502  Caltha biflora Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mt. Wilderness Area. 1792 Comment
  RSA0120945  Caltha biflora Frederick W. Oettinger 1967-7-6 151 Siskiyou Statue Creek just below the highest clear out block of the Music Creek Logging Sale (block M). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC181509  Caltha leptosepala J. C. Chastain 1917-6-1 s.n. Siskiyou North fork, Trinity River Comment
  CAS-BOT-BC181512  Caltha leptosepala Annie M. Alexander; Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC43363  Caltha leptosepala N. G. Sugihara 1977-5-28 63 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  JEPS103199  Calycadenia fremontii G. Schoolcraft 1995-7-19 2505 Siskiyou Wiley Ranch area 1158 Comment
  UC562934  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou mouth of Salmon River Klamath River, Salmon River Comment
  POM30674  Calycadenia truncata subsp. microcephala Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  HSC58959  Calyptridium monospermum Gilbert Muth 1976-7-26 Siskiyou Near Poker Flat, close to the town of Happy Camp 1561 Comment
  SBBG16542  Calyptridium monospermum D. Myrick 1961-6-20 272 Siskiyou near Mt Shasta City 1066 Comment
  CAS-BOT-BC94429  Calyptridium umbellatum R. C. Wenk 2005-7-16 259 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
Read comments
Sep 19 2006
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  CAS-BOT-BC221256  Calystegia malacophylla subsp. malacophylla Wm. Bridge Cooke 1940-6-7 15098 Siskiyou Along the Pacific Highway near Black Butte Comment
  UC164126  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1910-5-23 1397 Siskiyou Humbug Mountain 1066 Comment
  POM208190  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1934-6-28 2817 Siskiyou Little Soda Creek, Sterling Mt. 1067 Comment
  CAS-BOT-BC37003  Camelina microcarpa A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3409 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  UC1181813  Camissonia contorta Dorothy Parker 1950-4-26 406 Siskiyou Scott Valley Siskiyou Mountains 883 Comment
  POM160660  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Medicine Lake 2134 Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  SEINET10463110  Campanula prenanthoides Kildale 1929-7-20 KILDALE 8650 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  SEINET10463333  Campanula prenanthoides Mize 1972-8-17 MIZE 103 Siskiyou FORKS OF SALMON R QUAD, S OF GATES CREEK. T12N R7E Sec. 20 488 Comment
  SEINET10905935  Campanula prenanthoides Alice Eastwood 1912-7-23 Eastwood 1334 Siskiyou Cantara Comment
  SEINET10463787  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou Near Copper Butte; Seiad Valley quadrangle near Seiad Valley 1414 Comment
  RSA456191  Campanula scouleri M. B. Dunkle 1944-7-15 9102 Siskiyou Siskiyou Natl. Forest Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 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
  RSA238957  Carex Frederick W. Oettinger 1969-8-13 1355 Siskiyou North side of Crapo Ridge trail to Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC19765  Carex abrupta John Thomas Howell 1939-8-9 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19773  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  POM254197  Carex abrupta J. T. Howell 1939-8-9 15192 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA22261  Carex abrupta J. T. Howell 1939-8-3 14962 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA237249  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou West shore of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7484119 Image available Carex abrupta Ray Tallent 1987-1 911 Siskiyou Klamath National Forest; Trail to Long Gulch Lake 1820 Comment
  UCR66606  Carex amplifolia L. C. Wheeler 1934-6-14 02711 Siskiyou Siskiyou Mountains, Arrastre Creek off Hungry Creek. 1280 Comment
  CAS-BOT-BC17866  Carex amplifolia Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  UC827030  Carex bolanderi John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake Marble Mountains 1828 Comment
  JEPS109522  Carex brainerdii Dean W. Taylor 1988-7-9 9949 Siskiyou Castle Lake, in cirque and ridgetop above heart lake 1950 Comment
  UCR52393  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road c. 0.5 mi north of West Branch USFS Station. 671 Comment
  CAS-BOT-BC34161  Carex breweri William Bridge Cooke 1938-8-18 11498 Siskiyou Mt. Shasta. 2499 Comment
  RSA91634  Carex deflexa var. boottii J. T. Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC29643  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Marble Mountains Wilderness Area, High Lake Basins, at 'Base Camp Meadow,' midway down Diamond Lake- Hancock Lake Trail 2012 Comment
  UC195520  Carex feta Geo. D. Butler 1909-6-13 807 Siskiyou Oro Fino Comment
  CAS-BOT-BC20748  Carex fracta W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains. Comment
  UC1265343  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou sw Wiregrass Meadows (below English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CAS-BOT-BC9328  Carex fracta Wm. Bridge Cooke 1939-7-7 13621 Siskiyou Mount Shasta. Lower Wagon Camp springs 1737 Comment
  JEPS105060  Carex gigas Dean W. Taylor 1996-7-11 15777 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 Comment
  JEPS25940  Carex halliana B. C. Goldsmith 1916-9-29 29 a Siskiyou Medicine Lake Comment
  CAS-BOT-BC22294  Carex hassei William Bridge Cooke 1940-6-8 15116 Siskiyou Mount Shasta City. 1082 Comment
  JEPS102967  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road 1347 Comment
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  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
  UCD77463  Carex inops subsp. inops Robert E. Preston 1999-7-16 1226 Siskiyou McCloud River, at Fowler's Campground and along trail to Middle Falls. 999 Comment
  HSC61817  Carex interior Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS100906  Carex interior Dean W. Taylor 1988-7-8 9936 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  HSC76815  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1646 Comment
  HSC76371  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Springy bench above and on NE side of Bear Creek, along the trail 1616 Comment
  CAS-BOT-BC28428  Carex lenticularis var. lipocarpa William Bridge Cooke 1939-7-7 13613 Siskiyou In the bog formed by the lower Wagon Camp springs. 1737 Comment
  HSC39300  Carex luzulina J. O. Sawyer 1969-7-18 1417 Siskiyou Head of S Russian Creek 1829 Comment
  HSC29680  Carex luzulina Frederick W. Oettinger 1969-8-22 1504 Siskiyou Marble Mtn. Wilderness Area, S end of Horse's Hole, near Horse Range Lake 1829 Comment
  UC1105687  Carex luzulina var. ablata S. S. Tillett 1956-7-9 639 Siskiyou ca. 8 mi se Callahan (small lake e of Scott Mtn.); Siskiyou-Trinity Co. line 1828 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  CAS-BOT-BC31782  Carex mertensii Doris K. Kildale 1929-8-25 9086 Siskiyou Whisky Lake, trail to Preston Peak. 1524 Comment
  CHSC40197  Carex microptera L. P. Janeway 1983-8-6 490 Siskiyou At Poker Flat, a meadow in a fir forest. 1524 Comment
  UC1540263  Carex microptera Dean W. Taylor 1987-6-26 9069 Siskiyou meadow about 0.5 mi W of W end of Medicine Lake 2057 Comment
  HSC45958  Carex multicaulis J. P. Smith 1973-5-5 6406 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC32007  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou On dry gravelly slopes along Wagon creek in the Canadian zone. 2225 Comment
  CAS-BOT-BC32049  Carex multicaulis Alice Eastwood; John Thomas Howell 1940-6-10 7900 Siskiyou Hatchet Mt. Comment
  RSA48007  Carex multicaulis Roxana S. Ferris, Laura Lorraine 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road, south of Callahan. Comment
  UC1359 Image available Carex multicostata W. H. Brewer 1862-9-13 1398 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC32221  Carex multicostata B. Clear 1938-7-13 s.n. Siskiyou Manzanita Lake. Comment
  CAS-BOT-BC32278  Carex multicostata Lewis Samuel Rose 37593 Siskiyou S slope of Mt. Shasta 1767 Comment
  RSA237226  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC119897  Carex nebrascensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11818 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  CAS-BOT-BC119902  Carex nebrascensis George Dexter Butler 1909-6-13 858 Siskiyou Damp meadow near Oro Frio. Comment
  JEPS101086  Carex nervina Dean W. Taylor 1987-8-5 9222 Siskiyou Tate Creek, at crossing of Forest Road 36N06 1484 Comment
  HSC79282  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the E Fork Scott River at Hwy. 3 bridge just E of Callahan 988 Comment
  UCR45816  Carex nudata L. P. Janeway 1983-7-30 461 Siskiyou Condrey Mtn. Q., North side of Klamath River at the Walker Bridge 518 Comment
  HSC79087  Carex pachystachya L. P. Janeway 1983-8-26 618 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  CAS-BOT-BC118932  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou Swamp, 2 mi W of Montague. Comment
  CAS-BOT-BC119129  Carex phaeocephala P. M. Kamb 1949-8-25 1498 Siskiyou SW slope of Mt. Shasta, above Horse Camp 3169 Comment
  RSA768927  Carex praegracilis L. Ahart, John Dittes 2010-7-30 16953 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CDA33132  Carex praegracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2593 Siskiyou 2.5 miles south of Grenada Station between old highway and railroad right-of-way, Grenada. Comment
  RSA577426  Carex praegracilis L. C. Wheeler 1935-6-30 3633 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CHSC86630  Carex preslii Jenny Marr 1993-7-1 13 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC62584  Carex scabriuscula V. Stansell 1968-6-13 Siskiyou Youngs Valley Comment
  HSC82381  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4535 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC39280  Carex scopulorum J. O. Sawyer 1969-7-25 1562 Siskiyou Above High Lake 2104 Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC40201  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou At Poker Flat. Dampish part of e arm of meadow. 1524 Comment
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  CAS-BOT-BC117690  Carex simulata W. R. Dudley 1893-6-21 s.n. Siskiyou In Peter Klink's Meadow, Sisson Comment
  CAS-BOT-BC117246  Carex spectabilis Annie M. Alexander; Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  UC1147787  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  RSA238962  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Water at south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7575749 Image available Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, trail southeast of Tom's Lake. 2012 Comment
  JEPS63767  Carex subbracteata Mrs. M. H. Goldsmith 1916-8-6 13 Siskiyou Sisson Comment
  CAS-BOT-BC115836  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC115844  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Mt Shasta. 1981 Comment
  POM81966  Carex subfusca Geo D. Butler 1910-5-29 1426 Siskiyou Slough near Yreka. Comment
  RSA238971  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS121616  Carex utriculata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Abundant in flat fen, over gabbro. China Mountain quadrangle. CLB_A Comment
  CHSC90361  Carex whitneyi Martin J. Lenz 2004-7-2 222 Siskiyou In old skid trail; Miller Mtn.; approx. 1.8 mi. (2.9 km) 334 degree T from Herd Peak. UTM: 10 562848 E 4611169 N. 2110 Comment
  CHSC592  Cassiope mertensiana V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2438 Comment
  HSC67784  Castilleja applegatei J. O. Sawyer, J. Cole 1980-7-21 3832 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC19024  Castilleja applegatei J. O. Sawyer 1969-7-17 1129 Siskiyou S facing upper slope E of Waterdog Lake 2165 Comment
  CAS-BOT-BC241138  Castilleja applegatei subsp. pinetorum John Thomas Howell 1939-8-4 15037 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CHSC69836  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-30 1203 Siskiyou Mount Eddy, Klamath Mountains. Southeast slope of Mount Eddy draining into the North Fork of the Sacramento River. 2225 Comment
  HSC19229  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-8-4 1871 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  JEPS16795  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins and C. Leroy Custer 1954-8-13 4796 Siskiyou 2.5 mi s and above Callahan to Carrville road junction with Gazelle road (lower part of grade over Scott Mtn. (road from Callahan to Carrville)); Scott Mtn. 1371 Comment
  JEPS19690  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1957-6-26 5960 Siskiyou immediately s Mt. Eddy (at source of South Fork of the Sacramento River, along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon of the South Fork of the Sacramento River 1645 Comment
  JEPS8024  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lincoln Constance, Joe Tracy et al. 1951-7-16 3452 Siskiyou along trail ascending Little Grayback from summit of the Takilma-happy Camp road; Little Grayback 1706 Comment
  CAS-BOT-BC94481  Castilleja applegatei subsp. pinetorum R. C. Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the N, heading towards Mt. Shasta 2029 Comment
  CAS-BOT-BC243769  Castilleja applegatei var. pinetorum Gilbert J. Muth 1969-8-6 1205 Siskiyou Boulder Peak 2529 Comment
  HSC91235  Castilleja arachnoidea Jennifer Whipple 1976-6-30 1207 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  UC164329  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1828 Comment
  JEPS13484  Castilleja arachnoidea Douglas Barbe 1955-7-26 285 Siskiyou n slope below the summit Scott Mountain; Klamath Mountains, Scott Mountain 1981 Comment
  RSA488704  Castilleja arachnoidea James L. Reveal, Mark L. Reveal 1975-8-15 3954 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile southwest of the Dead Cow Creek Road and about 1 mile southeast of Dry Lake Lookout. Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  JEPS66322  Castilleja lacera L. R. Heckard with T. I. Chuang 1971-6-16 2586 Siskiyou ca 2 mi n Weed (along U.S. Highway 97) Comment
  CAS-BOT-BC253615  Castilleja miniata Doris K. Kildale 1928-8-18 6411 Siskiyou North Fork Salmon River at Finley Camp 1524 Comment
  CAS-BOT-BC254005  Castilleja miniata J. H. Thomas; H. A. Thomas 1954-7-25 4533 Siskiyou Salmon-Trinity Mts. Vicinity of Rush lake and Rush Creek meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC22089  Castilleja miniata J. O. Sawyer 1969-8-4 1869 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  UC637086  Castilleja miniata Edward Lee 1934-8-15 1128 Siskiyou summit of Happy Camp to Waldo (Oregon) road (Indian Creek watershed); Klamath National Forest, Indian Creek 1615 Comment
  UCD122990  Castilleja miniata J. M. Tucker; D. V. Hemphill 1974-7-27 4304 Siskiyou Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CHSC86625  Castilleja pilosa Jenny Marr 1993-7-1 8 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC144528  Castilleja pilosa A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  CHSC71329  Castilleja pruinosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9189 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
  HSC19019  Castilleja pruinosa J. O. Sawyer 1969-7-9 1243 Siskiyou W facing slope above Bingham Lake 2317 Comment
  CDA41398  Castilleja pruinosa Vernon H. Oswald & Lowell Ahart 1998-6-11 9189 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  HSC72571  Castilleja pruinosa J. P. Smith 1976-5-4 8668 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  POM266874  Castilleja pruinosa Marion Ownbey, Fred G. Meyer 1940-7-7 2218 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC48647  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 mi. E. of McCloud on Calif. Highway #89 1219 Comment
  UC61166  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC49194  Ceanothus cuneatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11812 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  CAS-BOT-BC63602  Ceanothus integerrimus D. M. Traugh 1933-5-30 75403 Siskiyou Klamath Forest. 579 Comment
  SEINET5339320  Ceanothus integerrimus G. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  RSA399887  Ceanothus integerrimus var. californicus Bonnie C. Templeton 1957-6-23 7733 Siskiyou Between Callahan and Gazelle Comment
  CAS-BOT-BC52120  Ceanothus prostratus Alice Eastwood 1912-7-18 1218 Siskiyou Sisson Comment
  CAS-BOT-BC52122  Ceanothus prostratus L. E. Smith 1913-5-12 201 Siskiyou Dunsmuir Comment
  CAS-BOT-BC53095  Ceanothus prostratus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  HSC67830  Ceanothus prostratus J. O. Sawyer, J. Cole 1980-7-22 3974 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UCD123997  Ceanothus prostratus D. O. Burge 2009-5-13 1165 c Siskiyou Scott Mountains, The Eddys, Parks Creek watershed, west of Tamarack Flat, and south-east of Caldwell Lakes, roadside on FR 17, parking 11.4 road miles (18.3 km) south-west of Old Hwy 99 via Stewart Springs Road and FR 17, 17.2 km 188 deg. (True) SSW of Gazelle. 1950 Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  RSA233696  Ceanothus prostratus Robert F. Thorne 1969-8-10 38946 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  UC163692  Ceanothus sanguineus Geo. D. Butler 1909-5-30 771 Siskiyou Humbug Mountains Comment
  HSC18345  Ceanothus velutinus D. M. Thomson 1965-6-11 77 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  HSC30669  Ceanothus velutinus Frederick W. Oettinger, R. F. Thorne 1969-8-6 1228 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  HSC4478  Ceanothus velutinus William J. Ferlatte 1967-7-25 718 Siskiyou Caribou Mtn., W slope 2439 Comment
  RSA398981  Ceanothus velutinus Bonnie C. Templeton 1960-6-16 8544 Siskiyou Between Bartle and McCloud Comment
  UCD112841  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, south slope of Mt. Shasta. 1524 Comment
  HSC69563  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-6 2282 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  CDA21356  Centaurea pratensis L. Wehmeyer 2001-11-8 s.n. Siskiyou Environmental Education Area off North Shore Rd. in Mt. Shasta. 0 Comment
  UCD108105  Centaurea solstitialis Steve Orloff 2011-9-1 SPK 471141 S1-D Siskiyou Collins Baldy. Mountains of S. Klamath River in the Klamath River area. Comment
  UC1776773  Centaurea stoebe subsp. micranthos Steelman 1996-7-10 s.n. Siskiyou Mott Road exit from I-5, north of Dunsmuir Comment
  CAS-BOT-BC281205  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adjacent lawn of ranch house and rangeland, W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville Comment
  CAS-BOT-BC384968  Cerastium arvense Annie M. Alexander; Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CDA3355  Cerastium dichotomum M. V. Maxwell 1961-5-1 Siskiyou 5 miles east of Montague. Comment
  POM88245  Cercocarpus betuloides Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River Comment
  CAS-BOT-BC147684  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-5-30 1435 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC148511  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  UC1539981  Cercocarpus ledifolius var. ledifolius M. H. Mitchell 1936-5-21 Siskiyou Modoc Lava Beds National Monument, s of the road to Devil's Gate Modoc Lava Beds National Monument 1310 Comment
  SEINET6921078  Cercocarpus montanus var. glaber M. K. Solecki, J. B. Taft 1986-9-9 2150 Siskiyou About 15 miles southwest of Grenada, near lava tube cave. Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  HSC92683  Chaenactis douglasii var. douglasii Jennifer Whipple 1977-8-6 2219 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  CAS-BOT-BC276761  Chaenactis douglasii var. douglasii Geo. D. Butler 1909-6-12 332 Siskiyou Greenhorn Mountain Comment
  RSA215647  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-7 1252 Siskiyou Boulder Peak Ridge. 2470 Comment
  UC229957  Chaenactis suffrutescens H. E. Brown Jun 11 1897-Jun 16 1897 411 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC141578  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near south shore of Tule Lake Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  SEINET515847  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC46341  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC67707  Chamaecyparis lawsoniana John Palmer 1980-7-24 607 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69036  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-7 2366 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC160569  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  UCD103638  Chamerion angustifolium Steve. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  UC873180  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC1037384  Chamerion angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 105 Siskiyou on Greenview Rd 5 mi n Etna (e side of rd); Klamath Mountains 883 Comment
  CAS-BOT-BC68206  Cheilanthes gracillima Mrs. H. C. Cantelow 1936-5-20 1379 Siskiyou Summit of Salmon Mt. 1818 Comment
  UC1597994  Cheilanthes gracillima Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2555 Siskiyou e rim Mammoth Crater; Lava Beds Nat'l Monument 1645 Comment
  CAS-BOT-BC68242  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk Mt. Comment
  HSC29473  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  SEINET8671711 Image available Cheilanthes gracillima W. Bridge Cooke 1937-1 9094 Siskiyou Mt. Shasta, horse camp 2438 Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna Comment
  CAS-BOT-BC451439  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  CAS-BOT-BC451442  Chimaphila menziesii J. H. Thomas 1954-5-14 4174 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville 1219 Comment
  UC21639  Chimaphila menziesii Brewer 1862-9-16 1413 Siskiyou Camp 98 1828 Comment
  CAS-BOT-BC452280  Chimaphila umbellata Doris K. Kildale 1928-8-18 6449 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC19322  Chimaphila umbellata J. O. Sawyer 1968-9-9 661 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC69313  Chimaphila umbellata Maralyn A. Renner 1980-7-24 1970 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1043391  Chimaphila umbellata P. C. Everett and E. K. Balls 1954-10-11 20266 Siskiyou s.w. Mt. Shasta town (forest service camp, Castle Lake); Castle Lake 1249 Comment
  UC32701  Chimaphila umbellata I. W. Morse Jul 1886 Siskiyou Shasta Comment
  UCR222516  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  CAS-BOT-BC452274  Chimaphila umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC36697  Chimaphila umbellata Brent Whitely 1975-6-28 95 Siskiyou 915 Comment
  SD73153  Chimaphila umbellata Darley F. Howe 1969-8-30 Siskiyou North Fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  POM146273  Chimaphila umbellata subsp. occidentalis J. B. Feudge 1927-7-22 1728 Siskiyou Trail to Mt. Eddy. 1128 Comment
  CHSC91253  Chorispora tenella Lowell Ahart; John Dittes 2005-6-10 12120 Siskiyou East side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  CDA3725  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson property, 3.5 miles northwest of Gazelle. 0 Comment
  HSC68400  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-4 1449 Siskiyou Clear Creek Trail, N of Trout Camp 1037 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
  HSC4935  Chrysolepis sempervirens J. O. Sawyer 1968-6-18 230 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  POM270406  Chrysolepis sempervirens Lyman Benson 1929-3-26 1069 Siskiyou Shoulder of Mt. Shasta. Comment
  UC141881  Chrysolepis sempervirens Dr. E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  UCD78129  Chrysolepis sempervirens Robert E. Preston 2001-6-23 1565 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC5442  Chrysolepis sempervirens Milo S. Baker 1893-8-17 Siskiyou near mouth Sacramento Canyon; Squaw Valley Mts. Comment
Read comments
1
  CDA10789  Chrysothamnus viscidiflorus subsp. viscidiflorus F. D. Horn 1977-10-5 Siskiyou 12 miles northeast of Weed; Shasta Vista Estates. 0 Comment
  LA28602  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose; 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  RSA78945  Chrysothamnus viscidiflorus subsp. viscidiflorus E. K. Balls, Percy C. Everett 1952-10-12 18172 Siskiyou 1.8 miles south of turn off to Medicine Lake, on road from Indian Well Ranger Station, Modoc Lava Beds National Monument. 1372 Comment
  JEPS25821  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou Oro Fino, L. Eastlick's Ranch Oro Fino; , L. Eastlick's Ranch Comment
  UC1598730  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Sisson Comment
  CDA38307  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  POM82888  Cicuta douglasii Geo. D. Butler 1918-7-15 1788 Siskiyou [Unspecified] Comment
  JEPS109395  Cinna latifolia Dean W. Taylor 2004-7-20 19196 Siskiyou Bear Spring, Mt. Shasta 1554 Comment
  CDA1027  Cirsium andrewsii M. R. Pryor 1950-7-26 s.n.-B Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  UC1550271  Cirsium ciliolatum W. J. Ferlatte 1988-6-28 2114 Siskiyou ne corner at intersection of York Rd. and Mulloy Rd. 813 Comment
  CDA20747  Cirsium cymosum M. Wetherwax 2002-5-25 s.n. Siskiyou Near Gazelle, northwest of Weed. Comment
  CHSC62425  Cirsium cymosum B. McAlexander 1993-7-7 Siskiyou Little Shasta Valley located E of Montague, N of Steamboat Mt. and S of Little Shasta River. 731 Comment
  CHSC91197  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12056 Siskiyou Meadow area, on the west side of a poor dirt road, about 1.6 miles (air) south of Highway 99/97 Cutoff, about 5 3/4 miles (air) east-southeast of Grenada. 799 Comment
  OBI60939  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Hawkinsville, Humbug Rd about 2 mi W of Hwy 263, BLM land Comment
  CAS-BOT-BC279880  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest 1981 Comment
  UC30779  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 B Siskiyou Sisson Mount Shasta, Sisson Comment
  OBI54138  Cirsium occidentale var. candidissimum David J. Keil 1992-7-20 23501 Siskiyou Klamath NF, SW of Fort Jones. Along forest Rd 46N64, 1.1 mi W of Scott River Rd Comment
  CAS-BOT-BC288777  Cirsium remotifolium J. R. Grisham 1960-7-14 s.n. Siskiyou US Rangeland, 15 miles N/Cecilville Comment
  CAS-BOT-BC286462  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CAS-BOT-BC228981  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228988  Cistanthe umbellata Mrs. H. P. Bracelin 1931-6-21 454 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  CAS-BOT-BC228975  Cistanthe umbellata Dorothy Parker 1959-6-28 726 Siskiyou Summit of Scott Mt. 1630 Comment
  POM204516  Clarkia heterandra Louis C. Wheeler 1934-6-4 2636 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mts. 701 Comment
  HSC97706  Clarkia modesta Thomas W. Nelson, Jane Nelson 2006-7-1 9452 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  CAS-BOT-BC164970  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC64528  Clarkia rhomboidea J. P. Smith, Steve Selva 1970-6-16 3998 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  UC164469  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  HSC46174  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2348 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS116876  Clarkia rhomboidea David Gowen 2007-7-11 779 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  POM259602  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC163721  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou near Oro Fino Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC78390  Claytonia perfoliata subsp. intermontana L. P. Janeway 1983-9-11 655 Siskiyou Poker Flat 1524 Comment
  UC224198  Claytonia rubra subsp. rubra H. E. Brown Jun 1 1897-Jun 10 1897 325 Siskiyou near Sisson 1083 Comment
  HSC17703  Claytonia rubra subsp. rubra D. M. Thomson 1965-7-10 123 Siskiyou Lava Beds National Monument, by headquarters and information office Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  SFV1150  Claytonia sibirica D. Parker 1949-5-26 122 Siskiyou Salmon Mountains. Along the banks of Wildcat Creek. 1220 Comment
  CAS-BOT-BC92760  Clematis ligusticifolia H. A. Thomas; J. H. Thomas 1954-7-23 4460 Siskiyou Salmon-Trinity Mountains, about 6 miles southeast of Cecilville. 883 Comment
  POM149886  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  HSC60116  Clinopodium douglasii M. A. Baker 1977-5-14 275 Siskiyou Karok garden in Happy Camp Comment
  JEPS80533  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout Marble Mountain Wilderness Area 1805 Comment
  JEPS82733  Clintonia uniflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat near Del Norte County Boundary; Doe Flat 1143 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  CHSC88115  Collinsia grandiflora Jenny Marr 1993-7-1 125 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC94402  Collinsia linearis R. C. Wenk 2005-7-15 199 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  HSC86558  Collinsia linearis D. K. Imper 1987-6-5 Siskiyou 8 mi. E of Somes Bar 1220 Comment
  POM258051  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5232 Siskiyou Road to Bollan Lake 6 mi. from junction with Takilma-Happy Camp Road. 1768 Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  RSA47996  Collinsia parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11734 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SJSU6507  Collinsia rattanii R. W. Trivelpiece 1972-6-15 120 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp Comment
  JEPS6163  Collinsia rattanii W. L. Jepson 1937-7-30 18540 Siskiyou near Poker Flat (summit of Siskiyou Mtns); Siskiyou Mtns. 1554 Comment
  CHSC86642  Collomia grandiflora Jenny Marr 1993-7-1 25 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS80584  Collomia grandiflora Gilbert Muth 1965-7-29 137 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 1895 Comment
  RSA105487  Collomia grandiflora G. D. Barbe 1955-7-1 067 Siskiyou 0.5 mile east of Etna at a burned lumber mill. 854 Comment
  RSA183688  Collomia grandiflora Gilbert Muth 1965-7-29 139 Siskiyou Marble Mts. In meadow below Marble rim Comment
  UC879755  Collomia grandiflora A. A. Heller 1916-6-23 12436 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC164012  Collomia heterophylla Geo. D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek Comment
  UC133731  Collomia tinctoria Katharine Brandegee July 1887 Siskiyou Sissons Comment
  CDA40003  Collomia tinctoria T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  HSC19052  Collomia tinctoria J. O. Sawyer 1969-7-16 1134 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  RSA120685  Collomia tracyi S. Tillett 1956-7-9 636 Siskiyou E-facing slope of Scott Mountain, 8 miles SE of Callahan; Siskiyou-Trinity Co. line 2073 Comment
  RSA240080  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott's Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC180414  Comandra umbellata subsp. californica Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs 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
  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
  UC673558  Corallorhiza maculata Dorothy Tebbe 1929-7-14 115 Siskiyou Mount Eddy Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 Comment
  UC1607574  Cordylanthus tenuis Barbara Ertter 1990-7-14 9348 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W. of Mt Shasta City 1767 Comment
  UC196059  Cordylanthus tenuis subsp. tenuis A. A. Heller 1914-8-28 11744 Siskiyou e side Mt. Eddy 1371 Comment
  UCD123167  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service road 41N26, the Eddy Creek Road, 0.6 mile above the junction with Old Stagecoach Road. 1039 Comment
  JEPS77505  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4873 Siskiyou 15 air mi e Montague (Ball Mt. Road, nw of Goosenest Mt) 1158 Comment
  RSA523462  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  CAS-BOT-BC212278  Cornus glabrata C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon, near Klamath Hot Springs Comment
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  HSC31733  Cornus nuttallii Glenn McGourty 1974-5-25 56 Siskiyou 1402 Comment
  POM78076  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC40092  Cornus sericea subsp. sericea A. A. Heller 1920-6-20 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  RSA68927  Cornus sericea subsp. sericea A. E. Culbertson 1943-7-12 30 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SACT002823  Corylus rostrata var. californica G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River Comment
  HSC101716  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13266 Siskiyou Along the Oregon Stage Road, south of the bridge with its intersection with Callahan-Gazelle Road. 823 Comment
  RSA96961  Crataegus suksdorfii Percy C. Everett, E. K. Balls 1954-10-12 20275 Siskiyou along Klamath River, Hwy 96, 5.8 miles NW from Hamburg. 366 Comment
  CAS-BOT-BC291527  Crepis intermedia John Thomas Howell 1939-8-4 15041 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  UC581262  Crepis monticola G. L. Stebbins Jr. and E. B. Babcock 1936-6-13 1973 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1 1/2 mi w of Mt. Shasta City); Rainbow Ridge 1180 Comment
  UC165408  Crepis occidentalis Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  UC581315  Crepis occidentalis subsp. costata E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1934 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  CAS-BOT-BC290838  Crepis occidentalis subsp. pumila Roxana S. Ferris; Laura Lorraine 1948-6-12 11786 Siskiyou Scott Mountain Road south of Callahan Comment
  UC455528  Crepis pleurocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  UC604171  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou 4 mi s Oregon line (on road from Waldo to Happy Camp, summit of mts., at Del Norte Co. line); Siskiyou Mts., Poker Flat 1555 Comment
  CAS-BOT-BC290872  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  POM31901  Crocidium multicaule Geo. D. Butler 1909-3-7 553 Siskiyou Dry hills Yreka. Comment
  RSA591655  Crypsis vaginiflora L. C. Wheeler 1934-10-14 3322 Siskiyou Siskiyou Mts.; Shasta River 2 mi. below Yreka Creek 671 Comment
  UC1042564  Cryptantha flaccida John Thomas Howell 1952-6-14 28342 Siskiyou 9.5 mi from Ft. Jones (on road to Callahan) 853 Comment
  CHSC93544  Cryptantha intermedia Lowell Ahart; John Dittes 2005-6-10 12114 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC33977  Cryptantha muricata var. jonesii J. P. Smith 1974-5-25 7441 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UCD120091  Cryptantha sobolifera A. H. Murphy 1959-7-22 59 K Siskiyou Trinity-Siskiyou County, Shasta National Forest, summit between Bear Creek and Toad Lake. 2346 Comment
  POM72150  Cryptantha torreyana Geo. D. Butler 1909-5-30 762 Siskiyou Near Yreka. Comment
  UC1188320  Cryptogramma cascadensis Philip A. Munz 1960-8-22 24192 Siskiyou Panther Meadows; Mt Shasta 2529 Comment
  CAS-BOT-BC80559  Cupressus bakeri John Thomas Howell 1934-7-4 12386 Siskiyou between Timbered Crater and Little Hot Springs Valley Comment
  NY16595  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards northeast of Quarry 1109.5 Comment
  RSA22766  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1433 Comment
  RSA22773  Cupressus bakeri O. V. Matthews 1939-7-22 42 Siskiyou North side of Lava Road near Salt Lick about 3.2 miles E of jct with Co. Road for Day. 1220 Comment
  UC1507230  Cupressus nootkatensis Stephen W. Edwards 1983-7-11 SWE- 83 -21 Siskiyou s end Buck Lake (Klamath Natl. For.); , s end of Buck Lake 1310 Comment
Read comments
Jan 30 2011
  UCSB23221  Cuscuta cephalanthi Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  JEPS24800  Cuscuta howelliana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6809 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  HSC57389  Cycladenia humilis G. L. Clifton, Griswold 1979-7-26 10122 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS49767  Cycladenia humilis var. humilis W. L. Jepson 1902-7-17 2072 Siskiyou w. Siskiyou, The Devil's Backbone 1828 Comment
  UC22935  Cycladenia humilis var. humilis Milo S. Baker 1893-8-5 Siskiyou Medicine Lake 1828 Comment
  UC572799  Cycladenia humilis var. humilis unknown 1937-9-3 9340 Siskiyou Mt. Shasta Comment
  CHSC71273  Cymopterus terebinthinus var. californicus Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 .1 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UCD77585  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-6-20 1834 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  CDA38287  Cymopterus terebinthinus var. californicus Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 .1 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  RSA190704  Cynoglossum occidentale T. C. Fuller 1967-6-27 16034 Siskiyou Siskiyou County, W side of road to McCloud Reservoir, 0.3 mile S of McCloud Comment
  CHSC96784  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou In fencerow and adj. pasture, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  CDA5636  Cynoglossum officinale G. Deal 1969-8-1 Siskiyou 0.25 mile northwest of Barnum Flat Reservoir, southeast Siskiyou County. 0 Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC618801  Cystopteris fragilis W. Bridge Cooke 1938-7-29 11421 Siskiyou Wagon Camp spring creek Wagon Camp; Mt. Shasta Comment
  RSA183739  Cystopteris fragilis Gilbert Muth 1965-8-3 162 Siskiyou Pothole in Marble, Marble Valley, Marble Mountains. Comment
  RSA115694  Danthonia intermedia Beecher Crampton 1956-8-22 3861 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 Comment
  SJSU11324  Danthonia unispicata S. H. Casey 1981-7-4 1216 Siskiyou Seiad Creek Road near Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley 1511 Comment
  HSC66253  Darlingtonia californica Maralyn A. Renner 1980-7-4 1382 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC1483489  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1066 Comment
  UCD119063  Darlingtonia californica Ray F. Evert 1957-9-2 s.n. Siskiyou Along U.S. Highway 99, south of Dunsmuir. Comment
  RSA60637  Darlingtonia californica I. L. Wiggins 1950-5-28 12370 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  CAS-BOT-BC420659  Darmera peltata Alice Eastwood 1923-5-20 11860 Siskiyou Shasta Springs Comment
  HSC2241  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  JEPS94261  Delphinium andersonii Vernon H. Oswald and Lowell Ahart 1998-6-11 9227 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
  POM216197  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  UC854164  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek Siskiyou Mts. 914 Comment
  HSC24998  Delphinium nudicaule R. C. Wunner 1965-6-6 77 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  RSA17734  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou S base of Caldwell Butte, Lava Beds National Monument Comment
  SEINET5338041  Delphinium nudicaule G. Butler 1910-5-7 1299 Siskiyou in thickets, dry hills near Yreks. Comment
  CAS-BOT-BC116158  Delphinium nuttallianum L. E. Smith 1913-5-14 210 Siskiyou Yreka Comment
  UC467719  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1911-6-26 193 Siskiyou Jackson L. 1798 Comment
  CAS-BOT-BC192468  Deschampsia cespitosa subsp. cespitosa Doris K. Kildale 1929-7-20 8703 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  CHSC60569  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 601 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the meadow. 1524 Comment
  UCD62395  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  CAS-BOT-BC201949  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC92278  Deschampsia elongata Jennifer Whipple 1978-10-6 2429 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  RSA591530  Deschampsia elongata L. C. Wheeler 1934-6-3 2629 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  RSA757370  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC1950437  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou where several forks join before a steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  HSC6707  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-6 64 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  CHSC86663  Descurainia pinnata subsp. halictorum Jenny Marr 1993-7-1 46 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC43521  Descurainia sophia Wm. Bridge Cooke 1941-7-11 16044 Siskiyou Mount Shasta. In the vicinity of MacBride Springs and along the Memorial Highway. 1524 Comment
  UCD114792  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. Comment
  HSC19283  Dicentra formosa J. O. Sawyer 1968-7-23 605 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  HSC26101  Dicentra pauciflora J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5684 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC246543  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89 1310 Comment
  HSC71076  Dichelostemma ida-maia M. A. Baker 1980-6-20 2197 Siskiyou Near Bald Mtn. 1036 Comment
  HSC30435  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Marble Mtns. Wilderness Area, just above Willow Springs on trail between Abbott's Upper Cabin and English Lake 1692 Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  HSC5961  Dieteria canescens var. canescens R. C. Wunner 1965-8-21 453 Siskiyou California Lava Beds National Monument; on main road at Crescent Butte 1463 Comment
  CHSC69072  Dieteria canescens var. shastensis Vernon Oswald; Lowell Ahart 1997-7-28 8778 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  UC1096784  Dieteria canescens var. shastensis Wagnon 1957-8-11 1701 Siskiyou ca. 1 mi w, along rd. to Brewer's Creek Military Pass Rd.; North Coast Ranges, e slope of Mt. Shasta, Brewer's Creek Comment
  CAS-BOT-BC291022  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  HSC103635  Dieteria canescens var. shastensis Thomas W. Nelson, Jane Nelson 1983-8-12 7591 Siskiyou Along Forest Service Rd. 40N08, ~ 1 mi. from junction with State Route 3 at Scott Mountain summit 1646 Comment
  JEPS90949  Dimeresia howellii Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9250 Siskiyou Lava Beds National Monument, Caldwell Butte, at northern interior Caldwell Butte; Lava Beds National Monument, Caldwell Butte 1499 Comment
  CAS-BOT-BC153302  Diplacus kelloggii L. B. Kildale 1930-6-1 9709 Siskiyou Salmon River between Somes Bar and Forks of Salmon Comment
  CAS-BOT-BC153456  Diplacus layneae Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC153725  Diplacus nanus Rodney Gregg 1948-8-4 s.n. Siskiyou On Gazelle Mountain 1310 Comment
  UCD137482  Dipsacus M. V. Maxwell 1958-9-1 s.n. Siskiyou Fort Jones. Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  JEPS82702  Dodecatheon alpinum Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (Castle Lake); , sw of Mt. Shasta city 1828 Comment
  JEPS25654  Dodecatheon jeffreyi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7297 Siskiyou about 4 mi nne Preston Peak (watershed of Indian Creek, Twin Valley, Siskiyou Mts., just e of Del Norte County line); Siskiyou Mts., Twin Valley, Indian Creek watershed 1493 Comment
  JEPS84210  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  RSA68858  Dodecatheon jeffreyi A. E. Culbertson 1943-6-29 98 Siskiyou In creek below Castle Lake; in 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 Mrs.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS100727  Downingia cuspidata Dean W. Taylor 1991-6-12 11897 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  HSC77118  Draba pterosperma K. T. Stillman 1976-6-25 62 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC722619  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5302 Siskiyou n. side of Black Mt. near Marble Mt. (King's Castle); Black Mt. 2072 Comment
  CAS-BOT-BC41415  Draba verna A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3419 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  HSC64754  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-7-17 4460 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA237854  Drymocallis glandulosa Frederick W. Oettinger 1969-8-5 1209 Siskiyou Dry hillside, Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC69253  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3724 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  LA208033  Drymocallis pseudorupestris Wm. Bridge Cooke; 1940-7-26 15372 Siskiyou Mount Shasta, on the W side of Shastina, Hudesonian zone 2743 Comment
  HSC60892  Echinochloa crus-galli Ken Stillman 1976-8-24 438 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CHSC107139  Eleocharis decumbens R. E. Brainerd 2009-7-21 1536 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  JEPS121618  Eleocharis decumbens Kendra Sikes 2011-9-12 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SE aspect, over gabbro. China Mountain quadrangle. CLS_1A Comment
  SEINET7586924 Image available Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  POM208264  Elodea canadensis L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  UCR101238  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CHSC91371  Elymus cinereus Lowell Ahart; John Dittes 2005-6-10 12109 Siskiyou Steep slope, 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. 776 Comment
  CAS-BOT-BC227910  Elymus elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  RSA715960  Elymus elymoides subsp. californicus L. Ahart, John Dittes 2005-6-9 12019 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  POM112865  Elymus elymoides subsp. hordeoides Geo D. Butler 1910-5-4 1278 Siskiyou Dry hill, Yreka. Comment
  HSC4775  Elymus elymoides var. californicus William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  HSC19240  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1553 Siskiyou S of High Lake 2210 Comment
  HSC103013  Elymus multisetus J. P. Smith 2014-6-6 13870 Siskiyou Roadside along State Route 96 at access to the Klamath River 306 Comment
  HSC69346  Elymus trachycaulus subsp. trachycaulus Maralyn A. Renner 1980-8-21 2543 Siskiyou Kidd Creek 2043 Comment
  UCD62653  Elymus trachycaulus subsp. trachycaulus Robert E. Preston 2002-7-14 1926 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1754 Comment
  CDA15519  Elytrigia intermedia subsp. intermedia G. F. Hrusa 1998-7-5 14687 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Clumping perennial on roadside. Open dry site. Comment
  UC1408902  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Horse Range Lake Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1790 Comment
  RSA15686  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1066 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  SEINET6637243 Image available Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-1 12213 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  POM256464  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 457 Comment
  POM259015  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-8-8 15419 Siskiyou Mount Shasta: Along the lower Squaw Valley Creek just below the McCloud intake along a lane Comment
  RSA22181  Epilobium ciliatum subsp. glandulosum J. T. Howell 1939-8-3 14961 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM251087  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1938-8-19 11530 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  RSA237577  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1305 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  JEPS38189  Epilobium densiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14391 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC454594  Epilobium densiflorum I. J. Condit 1911-7-13 Siskiyou along S.P.R.R. Dunsmuir Comment
  HSC82257  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6175 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  RSA237580  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -b Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  CHSC32903  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River. Comment
  JEPS82422  Epilobium oreganum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  RSA237393  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Near Tobacco Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1890 Comment
  HSC34222  Equisetum arvense J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  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
  JEPS107687  Equisetum laevigatum Lowell Ahart, John Dittes 2005-6-10 12107 Siskiyou Steep slope, 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 776 Comment
  CAS-BOT-BC57811  Equisetum laevigatum W. B. C. 1940-6-7 15088 Siskiyou Just n. of Mount Shasta City along US99. 1082 Comment
  CAS-BOT-BC204508  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  CAS-BOT-BC174223  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 2072 Comment
  HSC69204  Eremogone congesta var. congesta Maralyn A. Renner 1980-9-1 2684 Siskiyou Bear Mtn. 1936 Comment
  HSC2325  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mtns. 1220 Comment
  OBI55535  Ericameria bloomeri David J. Keil, Kathleen Keil 1992-7-24 23563 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  RSA237450  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  OBI55457  Ericameria greenei David J. Keil, Kathleen Keil 1992-7-21 23547 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 3.6 mi W of Scott Mountain rd (Hwy 3). Comment
  HSC27008  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5772 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  HSC5325  Ericameria nauseosa D. M. Thomson 1965-7-31 160 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  CAS-BOT-BC294301  Ericameria nauseosa var. speciosa A. A. Heller 1920-8-13 13524 Siskiyou Near Upton Comment
  CAS-BOT-BC294308  Ericameria nauseosa var. speciosa Alice Eastwood 1912-8-28 1938 Siskiyou Cantara Comment
  CHSC96728  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Mount Eddy, Klamath Mountains. Wagon Creek drainage on the east face of Mount Eddy. 2438 Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. Comment
  UC303534  Ericameria parryi var. latior unknown 1903-9-9 5152 Siskiyou Sisson Comment
  CAS-BOT-BC293377  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  HSC76938  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCD131601  Erigeron aliceae R. Tofsrud; J. M. Tucker 1948-8-3 1782 Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  CAS-BOT-BC297111  Erigeron compositus W. R. Dudley 1899-8-26 s.n. Siskiyou Mt. Eddy Comment
  HSC44956  Erigeron compositus J. O. Sawyer 1978-6-16 3229 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  JEPS101163  Erigeron compositus Dean W. Taylor 1996-6-19 15708 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC618656  Erigeron compositus unknown 1938-8-22 11558 Siskiyou s slope Diller Canyon; Mount Shasta, Diller Canyon 2743 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  UC87695  Erigeron filifolius Mrs. T. S. Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC300475  Erigeron filifolius W. B. Cooke; V. G. Cooke 1966-7-16 37217 Siskiyou Above Bolam Station, Mt. Shasta 1676 Comment
  CAS-BOT-BC300862  Erigeron glacialis var. glacialis John Thomas Howell 1937-7-25 13466 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC92365  Erigeron glacialis var. glacialis Jennifer Whipple 1976-7-9 1385 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC295391  Erigeron inornatus Alice Eastwood 1912-7-15 1118 Siskiyou McCloud Comment
  LA203587  Erigeron inornatus Edward Lee; 1934-8-14 1113 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County line 1828 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  CAS-BOT-BC295363  Erigeron petrophilus R. C. Wenk 2006-9-2 551 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1950 Comment
  UC198762  Erigeron petrophilus var. petrophilus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2286 Comment
  HSC41051  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  UC336095  Erigeron petrophilus var. viscidulus unknown Siskiyou side of Mt. Shasta Comment
  RSA0030732  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  CAS-BOT-BC300086  Erigeron philadelphicus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  JEPS57185  Erigeron tener L. R. Heckard 1967-8-13 1689 Siskiyou near summit of Mt. Eddy 2712 Comment
  CAS-BOT-BC224136  Eriodictyon californicum Doris K. Kildale; J. W. Gillespie 1929-6-25 8355 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  SBBG15417  Eriodictyon californicum D. Myrick 1961-6-21 297 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  UC101836  Eriogonum alpinum Dr. E. B. Copeland 1903-8-18 3813 Siskiyou Mt. Eddy 2651 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC637153  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou summit of road from Happy Camp to Waldo (Oregon); Klamath National Forest, Indian Creek watershed 1615 Comment
  HSC43397  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 201 Siskiyou Marble Mtn. Wilderness Area, W side of Marble Gap and Ridge 1982 Comment
  UC1282033  Eriogonum congdonii Louise Kellogg Aug 8 1953-Aug 9 1953 124 Siskiyou Blue Point, a serpentine outcrop near Scott Mountain Public Campground; Klamath National Forest 1630 Comment
  JEPS93929  Eriogonum elatum var. elatum Vernon H. Oswald and Lowell Ahart 1998-8-3 9409 A Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 1.0 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  RSA393293  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CHSC97394  Eriogonum hirtiflorum Jenny Marr 2006-6-18 230 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  HSC30293  Eriogonum lobbii J. O. Sawyer 1970-8-5 2356 Siskiyou Near Caribou Lake 2073 Comment
  CAS-BOT-BC263655  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou South bank of Klamath River between McKinney and Parkhouse Creeks, near Hamburg 609 Comment
  UC637104  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou near Hamburg (s bank of Klamath River between McKinney and Parkouse creeks); Klamath River 609 Comment
  RSA215591  Eriogonum marifolium Gilbert Muth 1969-8-7 1263 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  SD23786  Eriogonum marifolium Wm. Bridge Cooke 1938-8-18 11489 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  SJSU9507  Eriogonum marifolium M. D. Fleschner 1965-7-23 Siskiyou above Horse Camp on SW side Mt Shasta 2438 Comment
  CAS-BOT-BC263194  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-7-19 1238 Siskiyou Mount Shasta Comment
  RSA393649  Eriogonum marifolium var. marifolium Cora Mae Life 1923-08 s.n. Siskiyou Near Horse Camp, Mt. Shasta. Comment
  POM316726  Eriogonum microtheca var. laxiflorum Patricia Wilder 1965-9-29 4194 Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  CHSC32977  Eriogonum nudum var. nudum J. P. Smith; J. O. Sawyer 1972-5-28 5366 Siskiyou 2.7 miles north of road 8 and Sugar Creek on State Route 3; hillside and roadside ditch. 914 Comment
  HSC43402  Eriogonum nudum var. nudum K. T. Stillman 1976-7-30 315 Siskiyou Marble Mountain Wilderness Area, ridge top just N of Black Mt. 2104 Comment
  UC1408819  Eriogonum nudum var. nudum Frederick W. Oettinger 1968-8-16 532 Siskiyou n Hancock Lake (summit of Red Hill); Salmon Mountains, Marble Mountain Wilderness Area 2087 Comment
  CAS-BOT-BC261679  Eriogonum nudum var. nudum Louis C. Wheeler No date on label 2738 Siskiyou Klamath National Forest. North Hungry Cr. 1097 Comment
  CDA22631  Eriogonum nudum var. oblongifolium E. Hale 1983-7-19 Siskiyou Yreka vicinity. 0 Comment
  POM105615  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills. 1220 Comment
  SEINET10924428 Image available Eriogonum nudum var. oblongifolium Edward L. Greene 1876-7-8 Greene 923 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC272495  Eriogonum nudum var. pubiflorum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  POM105412  Eriogonum nudum var. pubiflorum George B. Grant 1902-9-10 3500 Siskiyou Sissons [town of Mount Shasta] Comment
  UC585079  Eriogonum nudum var. pubiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1924 Siskiyou sw Yreka (s of highway); Forest House Mt. 1363 Comment
  CAS-BOT-BC272486  Eriogonum nudum var. pubiflorum L. R. Abrams 1926-7-4 11235 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC258742  Eriogonum ovalifolium var. ovalifolium Elmer I. Applegate 1935-6-11 9493 Siskiyou Upper Ice Cave Area, Lava Beds National Monument Comment
  CAS-BOT-BC252958  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1881-8-24 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC267711  Eriogonum roseum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  CHSC67582  Eriogonum strictum var. greenei James D. Jokerst 1992-7-30 3414 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of interstate 5? V. Oswald] Comment
  HSC103626  Eriogonum strictum var. greenei Thomas W. Nelson, Jane Nelson 1983-8-12 7587 Siskiyou Along Forest Service Rd. 40N02, ~ 1 mile north of junction with State Route 3 at Scott Mountain Summit 1646 Comment
  CAS-BOT-BC263396  Eriogonum strictum var. proliferum G. J. Muth 1969-8-6 1194 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC267949  Eriogonum umbellatum Alice Eastwood; John Thomas Howell 1940-6-14 8257 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  CAS-BOT-BC124189  Eriogonum umbellatum var. argus J. L. Reveal; Mark Lee Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01) 2042 Comment
  CAS-BOT-BC267971  Eriogonum umbellatum var. argus Elmer I. Applegate 1923-9-7 3961 Siskiyou Dry Lake Lookout Station, Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC267985  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC267996  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  HSC39819  Eriogonum umbellatum var. argus J. O. Sawyer 1969-8-1 1687 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS108714  Eriogonum umbellatum var. argus Thomas W. Nelson and Jane P. Nelson 2006-8-4 9472 Siskiyou Scott Mountain S of junction of Forest Service Rds. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08 E side of North-South running ridge. 1670 Comment
  RSA12619  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
Read comments
Mar 29 2012
  CAS-BOT-BC105078  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 931 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  RSA183428  Eriogonum umbellatum var. nevadense J. M. Tucker, L. K. Mann 1963-8-18 3761 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  RSA11905  Eriogonum umbellatum var. speciosum Elmer I. Applegate 1923-9-7 3961 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  HSC54725  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10128 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UC55398  Eriogonum vimineum Harley P. Chandler 1732 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  CAS-BOT-BC262382  Eriogonum vimineum L. R. Abrams 1927-9-11 12143 Siskiyou Fork of Shasta and Klamath Rivers Comment
  RSA423135  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  CAS-BOT-BC443953  Eriophorum crinigerum Dana York 2012-7-20 3122 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  CAS-BOT-BC300354  Eriophyllum Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  SEINET10953204  Eriophyllum lanatum Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6966 Siskiyou Oak-Juniper Woodland at margin of Klamath River, 2 miles south of Hornbrook. 701 Comment
  SEINET10919980  Eriophyllum lanatum Billy Joe Cox 1971-6-9 Cox 3200 Siskiyou 11 mi. N of Weed, on U.S. Hwy. 97; decomposing lava, sandy, on slight S-E facing slope. 1250 Comment
  CAS-BOT-BC301107  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  UC1035411  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou 3.5 mi s of Grass Lake (Deer Mountain Service Station) Comment
  UC195257  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-4 111 Siskiyou Mayten Comment
  CAS-BOT-BC301123  Eriophyllum lanatum var. achilleoides L. E. Smith 1914-4-25 640 Siskiyou Yreka Comment
  UC1483521  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-10 863 Siskiyou ridge 1 mi s of Greenhorn Road (1 mi e of Mill Creek); Yreka Quadrangle 1341 Comment
  CAS-BOT-BC308279  Eriophyllum lanatum var. integrifolium J. R. Hall 1912-7-3 73 H Siskiyou Klamath Forest 1219 Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  SEINET8687384 Image available Eriophyllum lanatum var. lanceolatum G. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  NY168706  Eriophyllum rixfordii S. P. Rixford 1913-1 s.n. Siskiyou South side of Shaft Rock Mountain, near Hilt Comment
  CHSC91383  Erodium cicutarium Lowell Ahart; John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC198755  Eruca vesicaria subsp. sativa Annie M. Alexander and L. Kellogg 1911-6-6 117 Siskiyou Gazelle Comment
  CAS-BOT-BC54573  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  UC375297  Erysimum capitatum Geo. D. Butler 1908-6-27 41 Siskiyou Forest Home Mountain Comment
  HSC194  Erysimum perenne William J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. 2470 Comment
  SDSU10772  Erythranthe guttata D. F. Howe 1972-7-5 4872 Siskiyou 0.6 mile from Oregon State line on road to Happy Camp. 1707 Comment
  CAS-BOT-BC389661  Erythranthe linearifolia Andrew Townesmith; Karen M. Meyer 2007-8-1 881 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  SEINET14375314  Erythranthe primuloides D. Paraker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  JEPS103790  Erythronium klamathense Martin J. Lenz 2003-5-1 3 Siskiyou North Fork Bear Creek, 3.1 mi (air) NW of Pondosa 1276 Comment
  CAS-BOT-BC403678  Eschscholzia californica Geo. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  HSC16750  Eschscholzia californica R. C. Wunner 1965-6-15 191 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  SEINET5339918  Eschscholzia californica G. Butler 1910-5-7 1301 Siskiyou Dry land yreka Comment
  UC1114142  Eschscholzia californica Gene B. Newcomb and H. G. Baker 1959-3-28 229 Siskiyou w side of Hwy 99 just opposite Noltas Airport (just s of Walker Creek, on State Hwy gravel pile) 1219 Comment
  CAS-BOT-BC5886  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  SEINET4854345  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon. Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  SEINET5708610 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  HSC42938  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-7-1 2772 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA105401  Euonymus occidentalis Douglas Barbe 1955-6-30 060 Siskiyou 0.8 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  JEPS69764  Euphorbia crenulata W. B. and V. G. Cooke 1972-7-6 45461 Siskiyou Mud Creek Dam Road Mt. Shasta (Mt. Shasta) Comment
  RSA120927  Euphorbia crenulata Milo S. Baker, Douglas Barbe, H. K. Wagnon 1957-6-15 13104 Siskiyou Just south of Weed. Comment
  POM138028  Euphorbia spathulata E. B. Copeland 1903-7-3 3523 Siskiyou Klamathon. Comment
Read comments
Jan 23 2011
  JEPS81789  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n Scott Mountain road summit; just below and n of Scott Mountain road summit 1615 Comment
  UCD98905  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  CAS-BOT-BC418829  Fallopia japonica var. japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir Comment
  CAS-BOT-BC278727  Festuca idahoensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 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
  HSC157  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Big Flat 1524 Comment
  HSC68492  Festuca idahoensis Maralyn A. Renner 1980-6-9 858 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA239117  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1584 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA582088  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  SEINET238827 Image available Festuca idahoensis Barbara L. Wilson 1996-6-21 8151 Siskiyou Shasta-Trinity National Forest; Coonrod Flat 1.4 miles straight east of Forest Service road 13 on Forest Service road 4 Comment
  UCD66152  Festuca occidentalis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  HSC30647  Festuca rubra Frederick W. Oettinger 1969-9-2 1585 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  JEPS44878  Fragaria virginiana W. L. Jepson Jul 1894 13876 Siskiyou Sisson Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC60025  Frangula purshiana John Thomas Howell 1937-7-26 13541 Siskiyou Caribou Gulch. Comment
  HSC100303  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13272 Siskiyou Along Sugar Creek Rd., 1.8 mi. E of Hwy. 3. 968 Comment
  CAS-BOT-BC55719  Frangula rubra subsp. obtusissima A. A. Heller 1905-6-1 s.n. Siskiyou Between Upper Soda Spring and Shasta Retreat 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
  POM208196  Frasera albicaulis var. nitida Louis C. Wheeler 1934-6-21 2742 Siskiyou West Fork Cottonwood Creek, Siskiyou Mountains. 1372 Comment
  RSA24286  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3.5 miles below mouth of Shasta River 610 Comment
  RSA74739  Fraxinus latifolia Albert M. Vollmer, L. Beane 1951-6-2 46 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
Read comments
Aug 20 2012
  HSC76991  Fritillaria atropurpurea K. T. Stillman 1976-6-25 69 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC502836  Fritillaria atropurpurea R. C. Barneby 1954-5-17 11538 Siskiyou Scott Mountains 8 miles above Callahan Comment
  CAS-BOT-BC502844  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12382 -A Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  LA97840  Fritillaria atropurpurea J. M. Tucker; L. K. Mann 1963-7-7 3721 Siskiyou Paradise Lake, Marble Mountain Wilderness Area, ca. 0.25 mi. down the trail (N of) from the lake at the base of Kings Castle on the E side 1981 Comment
  UC15017  Fritillaria pudica F. W. Hooper 1897-3-27 Siskiyou Litttle Shasta Comment
  HSC36901  Fritillaria recurva J. P. Smith 1974-5-26 7542 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC40220  Fritillaria recurva J. P. Smith 1976-5-21 8775 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  UCD121596  Galium bifolium G. J. Muth 1975-7-29 5878 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1755 Comment
  HSC67746  Galium bifolium J. O. Sawyer, J. Cole 1980-7-21 3818 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  CHSC71603  Galium bolanderi Vernon Oswald; Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  HSC19303  Galium bolanderi J. O. Sawyer 1969-6-10 806 Siskiyou S face near Sugar Lake 1829 Comment
  HSC67859  Galium bolanderi J. P. Smith, Steve Selva 1970-6-16 3994 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  UC1094388  Galium bolanderi Rimo C. Bacigalupi with Galen Smith 1957-6-26 5962 Siskiyou w town of Mount Shasta (along road to Gumboot Lake, ca 4 mi sw of junction with the North Fork); South Fork of the Sacramento River 1432 Comment
  UC618721  Galium bolanderi W. Bridge Cooke 1938-9-2 11595 Siskiyou Sisson Southern Trail Mount Shasta Comment
  SBBG18844  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou banks of Scott River S of Steelhead Comment
  HSC81665  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6073 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC455889 Image available Galium glabrescens subsp. glabrescens I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake; Castle Lake near Sisson 1828 Comment
  JEPS74702  Galium grayanum J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3755 Siskiyou se-facing slope on sw ridge of mt. Marble Mountain Wilderness Area, Black Mountain (Black Marbl 2133 Comment
  UC220540  Galium grayanum H. E. Brown Jun 11 1897-Jun 16 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  UCD121822  Galium muricatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Callahan on Cecilville Road. 975 Comment
  CAS-BOT-BC223192  Galium serpenticum subsp. scotticum Alice Eastwood; John Thomas Howell 1937-6-25 5021 Siskiyou Scott Mts. s. of Callahan Comment
  JEPS104959  Galium serpenticum subsp. scotticum Dean W. Taylor 1996-6-26 15759 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  UC1334978  Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan) 1828 Comment
  HSC19065  Galium triflorum J. O. Sawyer 1969-7-23 1177 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC61157  Galium triflorum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA629725  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  UC876012  Garrya fremontii Alice Eastwood 1912-8-28 1945 Siskiyou Cantara Comment
  UCD117428  Gaultheria humifusa Dean William Taylor 1972-7-3 1613 Siskiyou Near Little Duck Lake. 1981 Comment
  CAS-BOT-BC56290  Gaultheria ovatifolia Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC68456  Gaultheria ovatifolia Maralyn A. Renner 1980-7-4 1441 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  RSA374499  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  HSC29482  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Salmon Mtns., E side of Hancock Lake 1890 Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  RSA34393  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17791 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  POM38653  Gayophytum heterozygum Geo. D. Butler 1910-7-3 1630 Siskiyou Goosenest Foothills 1220 Comment
  RSA22179  Gentiana calycosa J. T. Howell 1939-8-8 15145 Siskiyou Marble Mountains: Black Mountain. Comment
  CAS-BOT-BC217413  Gentiana plurisetosa Doris K. Kildale 1928-8-19 6508 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  NY297643  Gentiana plurisetosa C. C. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  JEPS123405  Gentianella amarella subsp. acuta Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -125 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  UC224194  Geranium oreganum Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2518 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  POM65721  Gilia capitata Geo D. Butler 1910-5-8 1311 Siskiyou Near Yreka. Comment
  UC879897  Gilia capitata subsp. capitata Alice Eastwood 1912-7-17 1165 Siskiyou Sisson Comment
  HSC30424  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Marble Mtn. Wilderness Area, Red Hill N of Hancock Lake 2058 Comment
  JEPS105005  Gilia leptomeria Dean W. Taylor 1995-6-4 14967 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  CAS-BOT-BC282716  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  RSA238374  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1284 Siskiyou Sundew Bog in English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC165256  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  HSC69384  Goodyera oblongifolia Maralyn A. Renner 1980-8-31 2669 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA381795  Goodyera oblongifolia Louis C. Wheeler 1934-8-14 3118 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  POM58287  Grindelia nana E. B. Copeland 1903-8-14 3884 Siskiyou Sisson. Comment
  CAS-BOT-BC123669  Grindelia nana var. nana Amos Arthur Heller 1917-9-7 12979 Siskiyou Shasta valley, ten miles S of Gazelle 914 Comment
  JEPS116878  Gypsophila paniculata var. paniculata David Gowen 2007-7-11 777 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Comment
  SEINET10969142  Hackelia bella Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6984 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi ne of Cecilville store, on road to callahan. 2073 Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  HSC22134  Hackelia micrantha J. O. Sawyer 1969-7-9 1200 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC1222251  Hackelia micrantha Joseph P. Tracy 1951-6-16 19495 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of the Siskiyous) Comment
  JEPS84096  Hackelia setosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  HSC98369  Hastingsia alba G. L. Clifton, Griswold 1979-6-28 6102 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS62093  Hastingsia alba W. L. Jepson 1937-7-30 18543 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains, headwaters Indian Creek, Poker Flat 1584 Comment
  HSC19549  Hastingsia serpentinicola J. O. Sawyer 1969-7-24 1505 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC62043  Hazardia whitneyi var. discoidea Ruby Van Deventer 14 Aug [year missing] Siskiyou Raspberry Lake 2 mi. W of Copper Mtn. Comment
  CAS-BOT-BC306740  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  JEPS16962  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of the Sacramento River 2194 Comment
  UC456025  Helenium bigelovii I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  HSC44710  Helianthella californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  RSA68881  Helianthella californica var. shastensis A. E. Culbertson 1943-7-1 75 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. within 10 air miles of its headwaters to the west. Comment
  HSC68351  Helianthus annuus J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  HSC26927  Helianthus bolanderi J. P. Smith, J. O. Sawyer 1971-9-18 4837 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC305574  Helianthus bolanderi Ynez W. Winblad 1936-8-13 s.n. Siskiyou Dunsmuir Comment
  JEPS24806  Helianthus bolanderi Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6815 Siskiyou about 13 mi w Gazelle (just w of summit of grade on road between Gazelle and Callahan (Gazelle Mtn. summit); Gazelle Mtn. 1371 Comment
  HSC48341  Hemizonella minima Maralyn O'Meara 1974-5-25 413 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC313449  Hemizonella minima Wm. Bridge Cooke 1940-6-4 15006 Siskiyou Old Bolam Road, Mount Shasta 1219 Comment
  RSA11163  Hemizonia fitchii C. B. Wolf 1927-8-26 1003 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SD40681  Hesperocyparis bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Siskiyou Modoc lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  UC1045250  Hesperolinon micranthum W. Bridge Cooke 1940-7-5 15225 Siskiyou along and old lane near Municipal Spring; Mount Shasta Comment
  UC642530  Hesperolinon micranthum W. B. Cooke 1939-7-14 13686 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  POM8869  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-07 8422 Siskiyou Mt. Shasta, at Sisson. Comment
  JEPS16282  Heterocodon rariflorum A. A. Heller 1916-6-20 12410 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  POM67794  Heterocodon rariflorum Geo. D. Butler 1910-7-8 1662 Siskiyou Shackleford Creek. 1220 Comment
  JEPS50862  Heuchera merriamii Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on El Capitan, Siskiyou Mountains, westernmost Siskiyou County); Siskiyou Mountains, El Capitan, just s of Youngs Valley 1828 Comment
  HSC59101  Heuchera micrantha Clark L. Miller 1979-4-28 1108 Siskiyou 10 mi. SE along Salmon River Comment
  JEPS49752  Heuchera rubescens Geo. D. Butler 1908-7-4 216 Siskiyou Shasta River near Reeders; Shasta River Comment
  CHSC1637  Heuchera rubescens var. glandulosa M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC319679  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC319687  Hieracium albiflorum L. E. Smith 1913-7-12 477 Siskiyou Mt. Eddy Comment
  SBBG25850  Hieracium albiflorum D. Myrick 1966-8-8 1493 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  POM360468  Hieracium albiflorum Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC81198  Hieracium bolanderi Thomas W. Nelson, Jane P. Nelson 1980-7-5 5966 Siskiyou Fowler's Campground 1006 Comment
  RSA237532  Hieracium gracile Frederick W. Oettinger 1968-8-8 448 Siskiyou Ridge above Upper English Lake near trail to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC318538  Hieracium greenei John Thomas Howell 1939-8-6 15097 Siskiyou Elk Mt., Marble Mts. Comment
  HSC69167  Hieracium horridum Maralyn A. Renner 1980-8-7 2379 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC598534  Hieracium horridum C. Hart Merriam 1898-9-23 91 Siskiyou Head of Squaw Creek Mt. Shasta, Head of Squaw Creek 2804 Comment
  JEPS84328  Hieracium nudicaule L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC1408933  Hieracium nudicaule Frederick W. Oettinger 1969-8-9 1257 Siskiyou Toms Lake Basin, w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area Salmon Mountains, Toms Lake Basin 1889 Comment
  UC897832  Hieracium nudicaule Lewis S. Rose 1937-7-25 37590 Siskiyou s slope Mt. Shasta 1767 Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  UC165399  Hieracium parryi Geo. D. Butler 1910-6-3 1470 Siskiyou Quartz Valley Comment
  CAS-BOT-BC320109  Hieracium triste R. H. Bohmannson 1926-7-16 s.n. Siskiyou Mt. Shasta Comment
  UCD133130  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta. 2407 Comment
  CAS-BOT-BC152383  Holodiscus discolor var. discolor John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  UC1025006  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1935-7-15 3469 Siskiyou 2 mi SE of Medicine Lake (Bullseye Lake) Comment
  UCD85768  Hordeum jubatum R. Tofsrud 1947-6-25 40 Siskiyou Near Gazelle. Comment
  CDA2189  Hordeum marinum subsp. gussoneanum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2782 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC143966  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53442 Siskiyou 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC143954  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley divide Comment
  RSA14934  Horkelia daucifolia J. T. Howell 1934-4-20 1752 Siskiyou Near Yreka on Fort Jones Road Comment
  SEINET10483363  Horkelia fusca subsp. parviflora Mary Merello 1993-6-25 Merello 724 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  SEINET6758854  Horkelia fusca subsp. parviflora A. Sanger 1996-7-16 2425 Siskiyou Approximately 200 yards north of road 42N56 along road 42N12. 1695 Comment
  SBBG2951  Horkelia fusca var. tenella H. and M. Dearing 1938-6-27 2173 Siskiyou bank of McCloud River, near Bartle Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  UC12375  Horkelia tridentata subsp. tridentata C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC538243  Horkelia tridentata var. flavescens J. H. Thomas 1954-5-12 4123 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC539741  Horkelia tridentata var. flavescens Roxana S. Ferris; Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC539435  Horkelia tridentata var. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek, Siskiyou Mountains, Mt. Diablo Mer. 1341 Comment
  HSC71399  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-7-27 4514 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  JEPS25569  Hulsea nana Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7194 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (sw slopes of mountain); Mt. Shasta 2834 Comment
  HSC69307  Hydrophyllum occidentale Maralyn A. Renner 1980-7-24 1982 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1426022  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou slope due nw Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  UC1483420  Hydrophyllum occidentale Maralyn A. Renner 1980-7-23 1829 Siskiyou about 1 mi e Cook and Green Pass (Pacific Crest Trail, near ridge); Klamath National Forest, Seiad Valley Quad. 1752 Comment
  HSC62600  Hydrophyllum occidentale Al Hobart 1968-6-26 Siskiyou Youngs Valley Comment
  CHSC106092  Hymenoxys lemmonii Lowell Ahart; John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  UCD78092  Hypericum anagalloides Robert E. Preston 2001-6-23 1576 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC400990  Hypericum anagalloides W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  RSA211252  Hypericum formosum var. scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  HSC631  Hypericum scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  RSA31633  Idahoa scapigera A. A. Heller 1929-5-4 14864 Siskiyou Near Edgewood. Comment
  SEINET5342445  Idahoa scapigera G. Butler 1910-3-21 1136 Siskiyou Near Yreka. Comment
  HSC100273  Iliamna bakeri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13067 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1838 Comment
  SD42408  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles northeast of Weed along U. S. Highway 97. 914 Comment
  RSA12665  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC933392  Ipomopsis aggregata Annie M. Alexander and L. Kellogg 1948-9-9 5616 Siskiyou meadow at start of a 2 mi trail to Taylor Lake from Cook and White MIne Siskiyou Mtns 1584 Comment
  JEPS87631  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca 5 mi (air) nw McCloud (FS Rd 31, 0.6 mi e of Ski Park Hwy (FS Rd 88)) 1584 Comment
  RSA238795  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger, R. F. Thorne 1969-8-8 1282 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC67521  Iris tenuissima J. P. Smith 1973-5-5 6377 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC10592  Isatis tinctoria J. H. Gilbert June 1899 Siskiyou Scott Valley Comment
  HSC91420  Isoetes bolanderi Jennifer Whipple 1978-10-6 2435 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC371168  Isoetes bolanderi G. D. Butler 1908-8-8 254 Siskiyou Wooly Creek 1524 Comment
  CAS-BOT-BC135372  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou Ridge of Marble Mountain - Marble Mts. 2194 Comment
  UC1265334  Juncus Frederick W. Oettinger and R. F. Thorne 1969-8-8 1299 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 Comment
  CHSC106109  Juncus balticus subsp. ater Lowell Ahart; John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC85851  Juncus balticus subsp. ater L. P. Janeway 1983-8-28 639 Siskiyou Poker Flat 1529 Comment
  UCD77266  Juncus balticus subsp. ater Robert E. Preston 2002-7-12 1904 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  RSA15459  Juncus bufonius var. bufonius Carl B. Wolf 1927-8-26 1088 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  RSA186331  Juncus drummondii Gilbert Muth 1966-10-16 23 Siskiyou Marble Mountains 1793 Comment
  HSC22405  Juncus ensifolius J. O. Sawyer 1969-7-23 1444 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC61118  Juncus ensifolius Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 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
  JEPS25661  Juncus ensifolius Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7304 Siskiyou 4 air mi nne Preston Peak (at Twin Valley, just e of Del Norte County line, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1219 Comment
  RSA14323  Juncus ensifolius Elmer I. Applegate 1895-5-28 s.n. Siskiyou Sisson, Strawberry Valley. Near Sesson s Tavern. Comment
  HSC58879  Juncus mertensianus Marvin Butler 1971-8-31 311 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC1265306  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou Hemlock Forest, n side of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  POM119126  Juncus mexicanus Geo D. Butler 1910-5-26 1409 Siskiyou Yreka. Comment
  CHSC40149  Juncus nevadensis L. P. Janeway 1983-9-11 685 Siskiyou At Poker Flat, on s side of meadow. 1524 Comment
  UC618818  Juncus nevadensis F. J. Hermann 1938-7-1 11162 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  POM312822  Juncus nevadensis H. L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  HSC30712  Juncus orthophyllus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1299 Siskiyou Sundew Bog W of English Lake Camp 1829 Comment
  HSC77129  Juncus tenuis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt road 350 m N of W Branch Guard Station 671 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
  RSA159440  Juniperus communis var. montana G. A. Coleman 1901-8-16 s.n. Siskiyou Rocky ridge near head of Paulters Creek 2515 Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  CAS-BOT-BC81242  Juniperus occidentalis Elmer I. Applegate 1904-6-15 3082 Siskiyou Laird, Shasta Valley Comment
  UC726032  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou about 2 mi n Bray Comment
  CAS-BOT-BC81238  Juniperus occidentalis F. P. Keen 1929-10-17 s.n. Siskiyou Mayfield Ice Cave near Modoc-Siskiyou County line Comment
  RSA240064  Juniperus occidentalis var. occidentalis Frederick W. Oettinger 1969-8-25 1558 Siskiyou Ft. Jones. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  RSA105315  Juniperus occidentalis var. occidentalis Milo S. Baker 1955-6-26 13071 Siskiyou Highway 99, 2 miles south of Gazelle 915 Comment
  HSC4844  Kalmia polifolia J. O. Sawyer 1968-7-22 541 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CHSC30111  Kalmia polifolia subsp. microphylla M. S. Taylor 1980-6-4 2789 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  UC887149  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  UC625520  Kelloggia galioides Frank W. Gould 1938-6-27 477 Siskiyou 3 mi n Mt. Shasta (town) (near the highway) 1082 Comment
  RSA0084174  Kopsiopsis strobilacea Frederick W. Oettinger 1967-8-21 299 Siskiyou Salmon Mountains: The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Appox. 20 yards S. off the Tom Taylor Cabin - Pine Lake trail just after one leaves the first patch of Red Fir forest (heading towards Pine Lake). 2073 Comment
  RSA0104248  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-16 537 Siskiyou Near the summit of Little Medicine Mountain N of Hancock Lake. 2057 Comment
  RSA0107897  Kopsiopsis strobilacea Thomas H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground, north of Happy Camp on Indian Creek Road. 1219 Comment
  CAS-BOT-BC340375  Kyhosia bolanderi Wm. Bridge Cooke 1939-8-22 13878 Siskiyou Mount Shasta. Below the Wagon Camp Sedge Swamp Comment
  CAS-BOT-BC341691  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC43857  Lagophylla ramosissima Maralyn O'Meara 1974-5-25 367 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC68175  Lagophylla ramosissima J. P. Smith, J. O. Sawyer 1972-9-14 5799 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  UC375398  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1908-8-10 398 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC274357  Leersia oryzoides Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  RSA105500  Lepidium campestre G. D. Barbe 1955-6-29 31 Siskiyou 1 mile east of Callahan 976 Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  HSC47621  Lepidium perfoliatum J. P. Smith 1977-5-15 9068 Siskiyou Yreka Comment
  CAS-BOT-BC60146  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-26 1095 Siskiyou On the Klamath River, 14 miles above Happy Camp. Comment
  CAS-BOT-BC341891  Lessingia nemaclada Elmer I. Applegate 1923-9-7 3948 Siskiyou Doggett Creek 1524 Comment
  HSC43145  Lessingia nemaclada Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  JEPS20613  Lessingia nemaclada W. L. Jepson 1907-7-25 2960 Siskiyou Scott Valley Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  RSA151805  Lessingia nemaclada H. K. Sharsmith, Francia Chisaki 1959-8-20 4738 Siskiyou Wildcat Canyon road ca. 4 miles west of Callahan. 1067 Comment
  HSC22284  Leucothoe davisiae J. O. Sawyer 1969-7-11 1335 Siskiyou S Sugar Creek 1829 Comment
  POM255861  Lewisia cotyledon Marion Ownbey, Ruth Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  UC922366  Lewisia cotyledon var. cotyledon Annie M. Alexander and Louise Kellogg 1949-7-20 5816 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  UC7802  Lewisia leeana Harley P. Chandler June, 1901 1609 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2286 Comment
  UC1334016  Lewisia leeana Dorothy Parker 1949-7-10 341 Siskiyou 2 mi from summit Salmon Mt.; Siskiyou Mountains 1828 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  CAS-BOT-BC444577  Lewisia triphylla C. L. Hitchcock; J. S. Martin 1939-7-9 5337 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  HSC77041  Lewisia triphylla K. T. Stillman 1976-6-25 24 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC197190  Leymus triticoides Geo. D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  UC803924  Leymus triticoides G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-8 4016 Siskiyou 3 mi s Grenada (along RR right of way) 792 Comment
  HSC61927  Ligusticum californicum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1619909  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  UC630405  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou 12 mi. s.w. Etna (above s.e. end of Taylor Lake); Salmon Mts. 2194 Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  CAS-BOT-BC508259  Lilium columbianum H. E. Brown 1897-6-1 344 Siskiyou Near Mt. Shasta 2133 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
  UC164415  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  HSC68307  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-4 1411 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA184814  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, near marble, Marble Mountain 1793 Comment
  RSA237220  Lilium washingtonianum subsp. purpurascens Frederick W. Oettinger 1967-7-6 152 Siskiyou Music Creek Road, 2 miles up from Finley Camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SD257342  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou I-5 southbound, one road mile N of (and above) exit 724 for Castella, Cascade Range Highlands (CaRH) 665 Comment
  JEPS104990  Limosella aquatica Dean W. Taylor 1996-7-27 15862 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  SD98972  Linanthus pungens Darley F. Howe 1977-7-5 5002 Siskiyou 15 mi. SE of Granada 4000 Comment
  CDA6301  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  CAS-BOT-BC240390  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-8-8 15421 Siskiyou Moutn Shasta. Along Squaw Valley Creek below the McCloud intake Comment
  HSC4867  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-6-18 170 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA0087559  Linnaea borealis subsp. longiflora Douglas Barbe 1955-7-5 101 Siskiyou Klamath Mountains, about 12 miles south of Etna on French Creek. 1097 Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta Comment
  RSA12570  Linum lewisii Carl B. Wolf 1934-7-6 6016 Siskiyou Around Wagon Camp, So. slope of Mt. Shasta. 1677 Comment
  JEPS84237  Listera caurina L. R. Heckard with J. Hickman et al. 1986-7-17 6523 Siskiyou e Condrey Mt.; Alex Hole region 1980 Comment
  RSA382534  Listera convallarioides M. B. Dunkle 1944-7-4 9068 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  SEINET13954119 Image available Lithocarpus densiflorus A. A. Heller 1915-1 12248 Siskiyou Wagon creek at foot of Mt. Eddy 1128 Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy 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
  JEPS24622  Lithocarpus densiflorus var. echinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6775 Siskiyou directly opposite Mossbrae Falls (on bank of Sacramento River, between Shasta Retreat and Shasta Springs); Sacramento River 731 Comment
  POM90134  Lithocarpus densiflorus var. echinoides S. B. Grout 1902-9-15 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC432319  Lithophragma campanulatum Alice Eastwood 1923-5-22 11886 Siskiyou Sisson Comment
  HSC64823  Lithophragma campanulatum J. P. Smith 1976-5-21 8770 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS25672  Lithophragma campanulatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7317 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  UC570871  Lithophragma glabrum Dorothy Tebbe 1930-3-28 67 Siskiyou near Weed; near Weed Comment
  CHSC105872  Lithospermum ruderale Julie Kierstead Nelson 2008-7-12 2008 -005 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  RSA77576  Lithospermum ruderale F. W. Peirson 1923-7-20 3823 Siskiyou Whitney Creek, Shasta Region. Comment
  CAS-BOT-BC269146  Lolium perenne Geo. D. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  HSC76688  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-30 319 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA237414  Lomatium dissectum var. multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1186 Siskiyou W-facing slope on E side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA452573  Lomatium engelmannii Christopher Davidson 1975-6-5 2680 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  UC1473423  Lomatium engelmannii Gilbert Jerome Muth 1978-8-4 7757 Siskiyou near Scott Mountain (close to town of Callahan) 2080 Comment
  CHSC42618  Lomatium macrocarpum Vernon Oswald 1986-5-29 2071 Siskiyou Hwy 97 between Dorris and Macdoel, 46.2 mi ne of Weed. 121 Comment
  HSC69021  Lomatium macrocarpum Maralyn A. Renner 1980-7-24 2013 Siskiyou Lily Pad Lake 1768 Comment
  JEPS17111  Lomatium macrocarpum W. L. Jepson Jul 17 1902-Jul 22 1902 2103 Siskiyou The Devil's Backbone w. Siskiyou Co., The Devil's Backbone 1828 Comment
  HSC29129  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou Marble Mountain Wilderness Area, SSW of Upper English Lake 1921 Comment
  POM82364  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou Dry hill, Yreka. Comment
  SDSU2237  Lomatium macrocarpum D. F. Howe 1972-7-4 4867 Siskiyou Sanger Peak road just south of Del Norte. Marker, Stoney hillside near Youngs Valley. 1737 Comment
  POM265882  Lomatium peckianum Lincoln Constance, Reed Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
  RSA30660  Lomatium peckianum Lincoln Constance, R. Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
Read comments
Apr 26 2007
  SEINET3143888  Lomatium triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  JEPS12870  Lonicera ciliosa Dorothy Boedecker 1937-6-10 Siskiyou Etna Comment
  UC61163  Lonicera ciliosa W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  HSC22213  Lonicera conjugialis J. O. Sawyer 1969-7-18 1159 Siskiyou E of Waterdog Lake 2012 Comment
  HSC4902  Lonicera conjugialis J. O. Sawyer 1968-7-22 527 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC58854  Lonicera conjugialis Marvin Butler 1971-7-19 158 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  JEPS109701  Lonicera conjugialis Dean W. Taylor 2002-7-20 18260 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  RSA68930  Lonicera conjugialis A. E. Culbertson 1943-7-12 28 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC1408787  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  CAS-BOT-BC243920  Lonicera involucrata var. involucrata M. S. Baker 1925-9-7 120 a Siskiyou Near Soda Sp. Range. Sta. Comment
  JEPS16020  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  UC52219  Lonicera tatarica W. T. Mooney 1828-5-21 Siskiyou Yreka Comment
  POM27063  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  JEPS101139  Lotus nevadensis var. nevadensis Dean W. Taylor 1996-6-20 15720 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) Comment
  UC1025034  Lotus purshianus var. purshianus Leo Whitney 1934-6-23 1542 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  RSA406294  Lotus unifoliolatus J. P. Smith, Steve Selva 1970-7-15 4351 Siskiyou Klamath National Forest; road to Happy Camp. 732 Comment
  UC164340  Ludwigia palustris Geo. D. Butler 1910-7-16 1791 Siskiyou Oro Fino Comment
  JEPS84261  Luetkea pectinata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6429 Siskiyou ca 5 mi n Seiad Valley (town) (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  UC860313  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. 1981 Comment
  UCR110581  Luetkea pectinata L. C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge 2134 Comment
  UC2026964  Luina hypoleuca Anthony Baniaga 2011-7-8 429 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  UC157016  Lupinus albicaulis var. shastensis Geo. D. Butler 1909-6-23 913 Siskiyou foothills Goosenest; Goosenest foothills Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  RSA430396  Lupinus albicaulis var. shastensis P. Kenney, Conrad, LeDoux, O. Kenney 1973-6-4 386 Siskiyou Along west side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  HSC42148  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  SEINET10488389  Lupinus albifrons Charles Piper Smith 1947-5-13 Smith 47270 Siskiyou 9.2 miles e of weed. Hwy 97 Comment
  CAS-BOT-BC196042  Lupinus albifrons var. collinus Alice Eastwood; John Thomas Howell 1934-4-21 1800 A Siskiyou Shasta City Comment
  SD116273  Lupinus albifrons var. collinus D. B. Dunn, B. J. Cox 1971-6-9 17937 Siskiyou 9.0 miles north of Weed, on U. S. Highway 97, at Whitney Creek. 1250 Comment
  UC1401212  Lupinus albifrons var. collinus K. Morris, LeDoux and Dunn 1973-6-2 336 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  CAS-BOT-BC196320  Lupinus albifrons var. flumineus K. Morris; LeDoux; Dunn 1973-6-2 336 Siskiyou On Hornbrook to Montague road, about 1 mi SE of Hornbrook Comment
  HSC30774  Lupinus albifrons var. flumineus J. P. Smith, J. O. Sawyer 1972-5-28 5374 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC63295  Lupinus andersonii M. A. Baker 1979-7-30 1083 Siskiyou Marble Mtn. Wilderness, Tickner Summit. 695 Comment
  UC144577  Lupinus argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague; ; Montague, Siskiyou Co. Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  UC725887  Lupinus argenteus A. A. Heller 1940-7-23 15759 Siskiyou on U.S. Highway #97, 2 mi s Grass Lake; s of Grass Lake Comment
  RSA12624  Lupinus breweri var. breweri Carl B. Wolf 1934-7-5 5961 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
Read comments
Mar 29 2012
  RSA256013  Lupinus breweri var. breweri Marion Ownbey, Ruth P. Ownbey, Findley Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  CAS-BOT-BC196696  Lupinus breweri var. breweri Jessie P. Rose 1908-7-1 193 Siskiyou Near summit of Ashland Butte, Siskiyou Mountains Comment
  CAS-BOT-BC215169  Lupinus croceus Clarence R. Quick 1958-6-17 58 -26 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC215195  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 1524 Comment
  HSC22251  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM24889  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley 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
  RSA32788  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  UC1034068  Lupinus lepidus var. sellulus W. Bridge Cooke 1941-8-18 16189 Siskiyou Mount Shasta Comment
  UC598570  Lupinus lepidus var. sellulus C. Hart Merriam 1898-9-30 Siskiyou Mt. Shasta Comment
  SEINET10485529  Lupinus leucophyllus var. belliae Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6978 Siskiyou Wester yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  JEPS74336  Lupinus luteolus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 a Siskiyou about 4 air miles N of: Shasta River Bridge Yreka Comment
  SEINET10490188  Lupinus polyphyllus var. grandifolius Katherine L. Morris 1973-6-2 Morris 371 Siskiyou Found in the ditch along roadside of hwy. 3 In scot river valley. Comment
  HSC49940  Lupinus tracyi G. L. Clifton, Ground 1978-7-13 2116 Siskiyou Near Flint Valley, close to Orleans 1418 Comment
  RSA607422  Luzula campestris L. C. Wheeler 1934-8-14 3129 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  RSA233690  Luzula subcongesta Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38951 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD77847  Luzula subcongesta Robert E. Preston 2001-6-23 1554 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  POM261536  Machaeranthera canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou Mt. Cloud. Comment
  CAS-BOT-BC342601  Madia R. E. Frenkel 1965-6-14 943 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing near Mount Shasta 1290 Comment
  SEINET11806038  Madia bolanderi C. G. Pringle 1882-1 s.n. Siskiyou about Mt. Shasta Comment
  HSC67033  Madia citrigracilis J. P. Smith, Steve Selva 1970-6-15 3895 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC165404  Madia citriodora Geo. D. Butler 1909-5-14 698 Siskiyou Klamath River Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC94820  Madia gracilis R. C. Wenk 2008-7-25 945 Siskiyou Lily Pad Lake, just W of Kangaroo Lake, S of the Gazelle-Callahan Road 1798 Comment
  OBI55429  Madia gracilis David J. Keil 1992-7-20 23488 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  SEINET10474823  Madia minima Mary Susan Taylor 1980-7-8 Taylor 3113 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  POM224453  Mahonia aquifolium H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mt. Eddy, 11 miles N.W. of Mt. Shasta City; about 2 miles E. of Burney Mill; flat beside creek at bridge. 1128 Comment
  RSA96734  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-13 20285 Siskiyou Indian Creek Road, 8 mi. n.w. of Happy Camp, Hwy 96. 457 Comment
  SEINET5339049  Mahonia nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  POM97669  Mahonia repens Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC512762  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1923-5-20 11870 Siskiyou Shasta Springs Comment
  HSC18916  Maianthemum stellatum J. O. Sawyer 1968-6-18 205 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  CHSC93528  Malvella leprosa Lowell Ahart; John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 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
  HSC1870  Medicago lupulina L. C. Wheeler 1934-10-7 3313 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  LA12116  Melica aristata J. R. Swallen; 1939-7-28 13783 Siskiyou Mount Shasta, vicinity of MacBride Springs 1523 Comment
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  UC1738814  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-5 9239 Siskiyou Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  UCD86259  Melica aristata P. B. Kennedy 1923-7-29 s.n. Siskiyou S. West of Sisson. Comment
  CHSC36113  Melica californica K. Bridwell 1978-4-14 83 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  HSC2190  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River, 6 mi. N of Yreka. 762 Comment
  CDA32507  Melica californica F. D. Horn 1978-5-8 Siskiyou I-5 at Collier Rest Area, Hornbrook. 0 Comment
  POM114782  Melica fugax Geo D. Butler 1909-5-26 824 Siskiyou Hill near Yreka. Comment
  HSC49216  Melica harfordii J. O. Sawyer, K. T. Stillman Jul 1977 2796 Siskiyou Mid slopes and ridges E of the Little N Fork Trail. 732 Comment
  UCD87367  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3438 Siskiyou Near Happy Camp. Klamath River. Comment
  UC197189  Melica subulata Geo. D. Butler 1910-7-12 1751 Siskiyou Shackleford Creek 1219 Comment
  POM83506  Mentzelia laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou Dry land near Yreka. Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  CAS-BOT-BC428553  Micranthes aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi. w. of Carmen Lake 1706 Comment
  CAS-BOT-BC428557  Micranthes aprica Gilbert Muth 1966-7-31 475 Siskiyou North side of Black Mountain, Marble Mts. 2057 Comment
  UCSB24988  Micranthes californica Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  SEINET3416626 Image available Micranthes ferruginea Rimo Bacigalupi, Lincoln Constance & L. Heckard 1960-7-20 7448 Siskiyou Siskiyou Mountains; Poker Flat (about 12 air miles northwest of Happy Camp) 1524 Comment
  CAS-BOT-BC429150  Micranthes odontoloma Freed Hoffman 1951-7-12 4033 Siskiyou Western Siskiyou County, Marble Mountains. Hammond's Stock-raising Camp, on Kelsey Creek, about 8 mi. above Scott River 1524 Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC322664  Microseris laciniata Alice Eastwood 1912-7-17 1153 Siskiyou Sisson Comment
  HSC22304  Microseris nutans J. O. Sawyer 1969-7-11 1322 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  HSC58930  Microsteris gracilis Marvin Butler 1971-8-9 82 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  HSC60800  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS5710  Mimulus breweri Dorothy Parker 1953-8-9 577 Siskiyou Salmon Mountain 1920 Comment
  HSC72392  Mimulus cardinalis J. P. Smith, Steve Selva 1970-7-16 4372 Siskiyou Along FS Rd. 19N01 Comment
  HSC39828  Mimulus guttatus J. O. Sawyer 1969-7-26 1570 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  RSA60479  Mimulus guttatus John H. Thomas 1949-6-16 947 Siskiyou 0.25 mile north of Beaver Creek Public Camp; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  RSA237551  Mimulus guttatus Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1310 Siskiyou Along trail near Young's Cabin near Abbott's Upper Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  JEPS94384  Mimulus jepsonii Vernon Oswald and Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  HSC421  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin 1982 Comment
  UC196161  Mimulus moniliformis A. A. Heller 1914-8-25 11714 Siskiyou opposite Black Butte (near Deetz station) 1158 Comment
  HSC72488  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-16 4059 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD122800  Mimulus moschatus J. M. Tucker; R. Tofsrud 1948-8-3 1778 Siskiyou 3 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  HSC72407  Mimulus moschatus J. P. Smith, Steve Selva 1970-7-27 4510 Siskiyou Gumboot Lake 1768 Comment
  RSA535614  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8 mile E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89. Oposite Hwy 89 from USFS Road 40N16, 2.4 miles W of turnoff for Cattle Camp (Cattle Camp Road) 2 miles W of USFS Ash Creek Station. 1098 Comment
  SEINET12336912  Mimulus nanus var. jepsonii D. M. Thompson 1988-1 932 Siskiyou 8 mi E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Rd & Hwy 89, opposite Hwy 89 1100 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
  HSC29398  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou High Lake Basins: site NW of Lower English Lake 1829 Comment
  UC125155  Mimulus pilosus Dr. E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon Comment
  SDSU5486  Mimulus primuloides D. F. Howe 1964-8-4 3930 Siskiyou Medicine Lake, probably Shasta or Modoc National Forest. 2012 Comment
  UC1584289  Mimulus primuloides J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -73 Siskiyou Gumboot Creek Crossing Shasta-Trinity NF, Mt. Shasta RD (s side of FS Rd 26) 1767 Comment
  UC164372  Mimulus primuloides Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek 1219 Comment
  UC718167  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 1/2 mi s Wagon Camp (s slope of mt.); Mt. Shasta 1524 Comment
  HSC91001  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-8-20 1729 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  JEPS22411  Mimulus pulsiferae Francia Chisaki, Gene B. Newcomb 1958-6-21 1150 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  UC27122  Mimulus torreyi F. W. Morse 1886-1 Siskiyou Shasta Comment
  HSC34012  Minuartia douglasii J. P. Smith 1974-5-25 7511 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC42964  Minuartia douglasii J. O. Sawyer, K. T. Stillman 1976-5-29 2754 Siskiyou Along Specimen Creek. 884 Comment
  UCD105961  Minuartia douglasii Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CAS-BOT-BC174731  Minuartia nuttallii Doris K. Kildale 1929-8-24 8817 Siskiyou Preston Peak 2225 Comment
  HSC25490  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5718 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC166130  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  LA45327  Minuartia nuttallii var. gregaria Louis Wheeler; 1934-6-29 2828 Siskiyou Sskiyou Mountains, Sterling Mountain, Soda Creek 1066 Comment
  UC1459328  Mirabilis greenei George E. Pilz 1973-5-25 993 Siskiyou 4 mi n Yreka (above Shasta River) 700 Comment
  CAS-BOT-BC433063  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC4889  Mitella pentandra J. O. Sawyer 1968-6-18 242 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC78186  Mitella trifida L. P. Janeway 1983-8-6 501 Siskiyou Poker Flat 1524 Comment
  SEINET6645733  Mollugo verticillata L. C. Wheeler 1935-7-20 3676 Siskiyou Scott River, 1 1/2 mi. W. of Ft. Jones 823 Comment
  HSC22246  Monardella glauca J. O. Sawyer 1969-7-8 1095 Siskiyou SW slope above Music Creek 2360 Comment
  RSA120862  Monardella odoratissima H. K. Wagnon 1957-8-11 1702 Siskiyou East slope of Mt. Shasta ca. 1 mile west of Military Pass Road, along road to Brewer Creek Comment
  CAS-BOT-BC222035  Monardella odoratissima subsp. glauca Alice Eastwood 1912-8-30 1987 Siskiyou Mount Eddy Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  CAS-BOT-BC222169  Monardella odoratissima subsp. pallida Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  SEINET10582084  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 349 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC456091  Monardella villosa subsp. villosa I. J. Condit 1911-7-13 Siskiyou Along R. R. Dunsmuir 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
  UC166061  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou flats e of Oro Fino Comment
  UC796626  Montia dichotoma Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11845 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); Gazelle Mountain grade 1499 Comment
  CAS-BOT-BC445108  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Oro Fino Comment
  UC375331  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou near Yreka Comment
  CAS-BOT-BC445215  Montia parvifolia Alice Eastwood 1923-5-20 11858 Siskiyou Shasta Springs Comment
  SEINET10674985 Image available Montia parvifolia A. Arthur Heller 1905-6-1 Heller 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  UCD15454  Montia parvifolia David Hart 1975-5-25 115 Siskiyou California, Siskiyou Co.; Happy Camp on Indian Creek, 3/4 mi upstream from Klamath River; 304 Comment
  UC1265409  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Katharine Lake Salmon Mountains, Marble Mountain Wilderness Area (along sandy margin) 2026 Comment
  SEINET515840  Muhlenbergia jonesii Vernon Oswald 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  HSC100332  Muhlenbergia richardsonis J. P. Smith 2011-7-15 13300 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  RSA611431  Myosotis discolor L. C. Wheeler 1935-6-27 3615 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS1364  Nama lobbii W. L. Jepson 1894-8-4 21002 Siskiyou half-way up Mt. Shasta from Sisson to Horse Camp; half-way up Mt. Shasta fr Sisson to Horse Camp 1828 Comment
  HSC44992  Narthecium californicum J. P. Smith, Steve Selva 1970-7-18 4498 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC515775  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1828 Comment
  RSA68912  Narthecium californicum A. E. Culbertson 1943-8-4 46 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET8501736  Narthecium californicum W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  UC1001154  Narthecium californicum Dorothy Parker 1953-7-29 Siskiyou summit Scott Mt.; Siskiyou Mts., Scott Mt. Comment
  RSA105499  Nasturtium officinale G. D. Barbe 1955-6-29 30 Siskiyou 1 mile east of Callahan 976 Comment
  UCD48387  Navarretia divaricata John M. Tucker 1974-7-28 4329 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1463 Comment
  UC23429  Navarretia leptalea subsp. leptalea F. W. Morse July, 1886 Siskiyou at Shasta Comment
  POM75061  Navarretia pubescens Geo D. Butler 1909-5-10 740 Siskiyou Near Yreka. Comment
  UC796661  Nemophila parviflora var. austiniae Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11739 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  CDA40352  Nemophila pedunculata F. D. Horn 1978-3-1 s.n. Siskiyou Shasta River Canyon, Yreka. 0 Comment
  JEPS81665  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  HSC81568  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6075 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  RSA120724  Noccaea fendleri subsp. glauca S. S. Tillett 1956-7-9 660 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 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
  HSC61504  Nothochelone nemorosa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC29331  Nuphar polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou Marble Mtn. Wilderness Area, N end of Horse Range Lake 1829 Comment
  SD61051  Oenothera tanacetifolia D. F. Howe 1964-8-5 Siskiyou 4.4 mi. south of Dorris on #97. 1280 Comment
  CHSC26182  Oenothera villosa subsp. strigosa J. P. Kroessig 1977-8-5 47 Siskiyou Along e margin of Everitt Memorial Hwy., between hwy entrance and Penny Pines Plantation, ca. 3 km n of Mt. Shasta City. 1220 Comment
  CDA20567  Onopordum tauricum C. Pirosko 2005-7-29 PDR 1303860 Siskiyou Klamath Ranges; Schoolhouse Rd in eastern Siskiyou County, near Hwy 97. 0 Comment
  RSA530118  Orcuttia tenuis D. W. Taylor 1988-6-23 9861 Siskiyou 5 miles north of Timbered Crater, 1 mile SE of Adobe Flat. 1098 Comment
  CAS-BOT-BC355598  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  UC1619965  Oreostemma alpigenum var. andersonii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9357 Siskiyou ca. 5 airmi. due w. Shasta City (Morgan Meadows on e. side of Mt. Eddy); Mt. Eddy, Morgan Meadows 1676 Comment
  CAS-BOT-BC355591  Oreostemma alpigenum var. andersonii W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  HSC29118  Orobanche fasciculata Frederick W. Oettinger, R. F. Thorne 1969-8-4 1176 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  CAS-BOT-BC500191  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  HSC78323  Orogenia fusiformis L. P. Janeway 1983-7-17 419 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC458093  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  HSC19214  Orthilia secunda J. O. Sawyer 1968-7-10 507 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC65561  Orthilia secunda R. White 1977-7-21 130 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  SD230221  Orthilia secunda Louis C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UCSB24414  Orthilia secunda Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC458097  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA0083199  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC266620  Orthocarpus cuspidatus C. G. Pringle 1882-9-1 s.n. Siskiyou Mountains about the headwaters of the Sacramento River 2133 Comment
  JEPS116587  Orthocarpus cuspidatus subsp. copelandii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -029 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  JEPS29106  Orthocarpus cuspidatus subsp. copelandii Lauramay T. Dempster 1961-7-1 1823 Siskiyou along ridge from Condry Peak to White Mountain (main ridge, Siskiyou Mts., n of Horse Creek drainage); Siskiyou Mts., Horse Creek drainage, fr Condry Peak to White Comment
  RSA120883  Orthocarpus cuspidatus subsp. copelandii G. D. Barbe 1957-7-13 384 Siskiyou Big Flat Public Camp, Klamath National Forest. Along the entrance road into camp. 1524 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
  HSC22168  Osmorhiza berteroi J. O. Sawyer 1969-7-12 1355 Siskiyou Edge of Sugar Lake 1799 Comment
  RSA126288  Osmorhiza berteroi I. L. Wiggins 1955-7-21 13428 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  HSC22170  Osmorhiza occidentalis J. O. Sawyer 1969-7-18 1384 Siskiyou Near South Russian Creek 1890 Comment
  UCR101291  Oxalis trilliifolia L. C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  CAS-BOT-BC413219  Oxyria digyna Annie M. Alexander; Louise Kellogg 1949-7-22 5836 Siskiyou Trail to Kings Castle. Paradise Lake, Marble Mountains 1920 Comment
  UC1045303  Packera cana W. B. Cooke 1940-8-22 15478 Siskiyou along w rim Mud Creek Canyon; Mount Shasta, w rim Mud Creek Canyon Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  UC705692  Packera cana Marion Ownbey and Fred G. Meyer 1940-7-4 2184 Siskiyou on ridge above the head Brewer Creek; e side Mt. Shasta Comment
  UC618692  Packera streptanthifolia W. Bridge Cooke 1938-8-23 11572 Siskiyou n slope of Shastina near timberline (Mount Shasta); , n slope of Shastina 2590 Comment
  CAS-BOT-BC28836  Paeonia brownii H. E. Brown 1897-7-15 564 Siskiyou South side of Mount Shasta 3048 Comment
  HSC27221  Panicum capillare J. P. Smith, J. O. Sawyer 1971-9-18 4794 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  JEPS84272  Parnassia californica L. R. Heckard with J. Hickman 1986-7-16 6442 Siskiyou 5 mi n of the town of Seiad Valley (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  HSC76869  Parnassia fimbriata K. T. Stillman 1976-9-9 474 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn. Comment
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC175613  Parnassia palustris Wm. Bridge Cooke 1939-8-24 13898 Siskiyou Throughout the area of Squaw Valley Creek meadows Comment
  RSA47641  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11753 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1299195  Paxistima myrsinites Freed W. Hoffman 1946-7-8 2592 Siskiyou n. of West Branch Camp (Waldo-Happy Camp Rd.); North Coast Ranges Comment
  UC1408911  Paxistima myrsinites Frederick W. Oettinger and R. F. Thorne 1969-8-7 1281 Siskiyou e. side English Lake Outlet; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1767 Comment
  UC869933  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou near Spirit Lake; Marble Mts. Comment
  SEINET6646339  Paxistima myrsinites G. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  UCD77869  Pectiantia pentandra Robert E. Preston 2001-6-23 1551 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  UC796536  Pectocarya penicillata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11785 Siskiyou outskirts Etna Comment
  SEINET3152895  Pectocarya pusilla G. D. Butler 1910-5-8 1306 Siskiyou Dry land near Yreka Comment
  HSC91018  Pedicularis attollens Jennifer Whipple 1977-7-21 2014 Siskiyou Near Durney Lake 2073 Comment
  HSC300  Pedicularis bracteosa var. flavida William J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin 1982 Comment
  CHSC1836  Pedicularis contorta V. Holt 1942-9-6 Siskiyou Caribou Lake, Trinity Alps. 2286 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  RSA238827  Pedicularis flavida Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1269 Siskiyou Southeast of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC48178  Pedicularis howellii Rich White 1978-7-3 217 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC77927  Pedicularis howellii L. P. Janeway 1983-8-6 514 Siskiyou 100 m SW of Poker Flat near trail to Twin Valley/Kelly Lake 1524 Comment
  UC1239015  Pedicularis racemosa Freed W. Hoffman 1951-7-15 4053 Siskiyou w side of Kelsey Creek (Hammond Camp); North Coast Ranges, Marble Mountains 1524 Comment
  POM299020  Pellaea brachyptera Marion Ownbey, Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  SEINET8671726 Image available Pellaea brachyptera William Bridge Cooke 1937-1 9110 Siskiyou Mount Shasta 1524 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  HSC63266  Penstemon anguineus M. A. Baker 1979-7-31 1088 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  POM256802  Penstemon cinereus D. D. Keck 1940-6-13 5174 Siskiyou 9 miles S of Macdoel, on Hwy 97 between Dorris and Weed 1463 Comment
  CHSC110960  Penstemon davidsonii B. Castro; L. P. Janeway 2007-7-28 1663 Siskiyou High Cascade Range. SE shoulder of Glass Mountain, along trail ca 0.3 mi N of Modoc NF Rd43N99. 2145 Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  NY590188  Penstemon davidsonii var. davidsonii F. M. Ownbey 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  UC70415  Penstemon davidsonii var. davidsonii Milo S. Baker Aug 1894 Siskiyou Medicine Lake Comment
  HSC67812  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-21 3826 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  RSA412527  Penstemon deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  UC614856  Penstemon deustus var. deustus Beryl O. Schreiber 1932-7-18 446 Siskiyou road nw of Weed Comment
  CHSC69095  Penstemon deustus var. pedicellatus Vernon Oswald 1997-7-28 8775 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  CHSC99720  Penstemon deustus var. suffrutescens L. P. Janeway 2008-7-24 9489 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. A little over the edge, southeast-facing slope, next to rock outcrop. 2050 Comment
  CHSC67046  Penstemon gracilentus Marion Ownbey; Fred G. Meyer 1940-7-3 2195 Siskiyou Near the timber line on east side of Mt. Shasta. Comment
  SBBG21884  Penstemon gracilentus D. Myrick 1964-8-25 950 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta Comment
  SEINET3160391  Penstemon gracilentus G. B. Grant 933 Siskiyou Mt. Shasta, S California 2438 Comment
  UCR47887  Penstemon heterodoxus 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
  NY601603  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou 5 miles southeast of Bartle, Big Bear Flat 1219.2 Comment
  UC164254  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou foothills of Goosenest Mountain Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS101505  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16046 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  RSA0006172  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-11 360 Siskiyou North side, Mt. Shasta. 1524 Comment
  CHSC99994  Penstemon laetus var. sagittatus L. P. Janeway 2008-7-25 9501 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass; 0.4 km southeast of Red Butte. 1736 Comment
  JEPS11612  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20026 Siskiyou Andesite Sta. n of Mt. Shasta, Andesite Sta. 975 Comment
  UC1034026  Penstemon laetus var. sagittatus Francis W. Pennell 1940-7-19 26193 Siskiyou southwestern slope Mount Shasta; sw slope of Mount Shasta 1676 Comment
  UC163818  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  UC54634  Penstemon laetus var. sagittatus H. M. Hall and E. B. Babcock June, 1903 4030 Siskiyou Sacramento River near Dunsmuir; Upper Sacramento Valley, Sacramento River 609 Comment
  NY604563  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 -a Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  HSC91141  Penstemon newberryi subsp. berryi Jennifer Whipple 1976-7-7 1327 Siskiyou Dale Creek drainage on N face of Mt. Eddy 2378 Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  NY629979  Penstemon parvulus D. D. Keck 1938-8-6 4820 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line, on road from Waldo to Happy Camp. 1554.5 Comment
  RSA23282  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 mi. NE of Dry Lake Lookout, summit of Siskiyou Mountains. Comment
  CHSC114659  Penstemon parvulus J. Kierstead 1990-7-18 90 -108 Siskiyou Shasta-Trinity National Forests. Forest Service Rd. 40N26 at Gumboot/Mumbo Basin pass. 1950 Comment
  HSC19133  Penstemon parvulus J. O. Sawyer 1969-7-3 1052 Siskiyou SE facing slope above Horse Range Creek 1799 Comment
  UC1238923  Penstemon parvulus Freed W. Hoffman 1950-7-11 3485 Siskiyou Cedar Camp road 19.5 mi from Klamath Highway (western Siskiyou County); North Coast Ranges Comment
  HSC99984  Penstemon roezlii Thomas W. Nelson, & Sydney Carothers 2005-7-17 9383 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  JEPS11376  Penstemon roezlii W. L. Jepson 1894-8-9 21429 Siskiyou Horseshoe Bend* Horseshoe Bend, Upper Sacramento River (Upper Sacramento River, *near Shasta Springs - bend in rr., not in river) Comment
  UC1045256  Penstemon roezlii W. Bridge Cooke 1940-7-26 15389 Siskiyou along the junction of the Memorial Highway and the Wagon Camp Road; Mount Shasta 1828 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  POM42981  Penstemon roezlii Geo. D. Butler 1910-6-23 1601 Siskiyou Yreka Creek. Comment
  RSA60783  Penstemon roezlii Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman's Valley. 1189 Comment
  RSA463106  Penstemon shastensis 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
  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
  JEPS11387  Penstemon speciosus Geo. D. Butler 1908-6-25 430 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  JEPS11509  Penstemon speciosus Milo S. Baker Aug. 1897 150 Siskiyou Top of Medicine Lake Mts. Comment
  UC726669  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  UC696832  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
  UC1090395  Perideridia bolanderi subsp. bolanderi Milo S. Baker 1957-6-16 13158 Siskiyou trip to Scott Mt. aftern turn-off near Callahan; North Coast Ranges Comment
  RSA14390  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC76731  Perideridia oregana K. T. Stillman 1976-8-7 391 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  CAS-BOT-BC423363  Peritoma serrulata Elmer I. Applegate 1923-8-21 3927 Siskiyou South end of Little Klamath Lake Comment
  CAS-BOT-BC419261  Persicaria maculosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch, at Roger's Creek, Somes Bar Comment
  JEPS81095  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Ishi Pishi Bridge Klamath River (near Somes Bar) Comment
  HSC49957  Phacelia cookei G. L. Clifton, Ground 1978-6-14 1040 Siskiyou Near Andesite, close to the town of Weed 1464 Comment
  UCD77221  Phacelia cookei Robert E. Preston 1997-6-1 1038 Siskiyou in sandy flats 100 ft n of Hwy 97. 1402 Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  HSC68576  Phacelia corymbosa Maralyn A. Renner 1980-6-23 981 Siskiyou W Fork Seiad Creek 878 Comment
  HSC92793  Phacelia corymbosa Jennifer Whipple 1978-7-20 2355 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  JEPS81016  Phacelia egena James Payne Smith Jr. 1976-5-22 8784 Siskiyou Callahan Rd along e side of valley Scott Valley 1036 Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  HSC33996  Phacelia heterophylla subsp. virgata J. P. Smith 1974-5-25 7500 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC60793  Phacelia leonis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC1034049  Phacelia mutabilis W. Bridge Cooke 1941-9-10 16308 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  SBBG122789  Phacelia pringlei B. Ertter 1990-7-14 9338 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1828 Comment
  HSC29263  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Salmon Mtns., due E of Diamond Lake, 50 ft. below the lake 2058 Comment
  HSC75498  Phacelia procera K. T. Stillman 1976-8-7 216 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  RSA166761  Phacelia procera H. Dearing, M. Dearing 1939-7-1 3777 Siskiyou Salmon Mts. 1829 Comment
  HSC13679  Phacelia ramosissima R. C. Wunner 1965-6-15 181 Siskiyou Lava Beds National Monument, E side of Caldwell Butte 1494 Comment
  HSC77101  Phleum alpinum K. T. Stillman 1976-7-30 339 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC642574  Phleum alpinum W. Bridge Cooke 1939-7-26 13750 Siskiyou above Panther Creek Meadows Mount Shasta; , above Panther Creek Meadows Comment
  HSC61881  Phleum pratense Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC682099  Phlox adsurgens G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3268 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  SEINET7041249  Phlox adsurgens Barbara L. Wilson 1994-5-27 6916 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  UCSB27391  Phlox diffusa Wilken, Dieter 1969-7-26 Siskiyou Above smnmit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  HSC110  Phlox diffusa William J. Ferlatte 1967-6-27 536 Siskiyou Big Flat, near public campground 1524 Comment
  UC1080548  Phlox diffusa S. S. Tillett 1956-7-9 630 Siskiyou ca 8 mi se Callahan (e-facing slope of Scott Mtn., Siskiyou-Trinity Co. line); Scott Mtn. 2072 Comment
  HSC30428  Phlox diffusa subsp. diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, English Peak Gap 2134 Comment
  CAS-BOT-BC60686  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman's Valley. 1158 Comment
  CAS-BOT-BC135338  Phoradendron juniperinum Alice Eastwood 1922-10-18 11543 Siskiyou Shasta Springs Comment
  CDA5888  Physalis longifolia B. Pitman 1965-7-22 Siskiyou Clement ranch, Montague. 0 Comment
  CAS-BOT-BC60766  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC60774  Physaria occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Summit of Mount Eddy. Comment
  HSC27011  Physocarpus capitatus J. P. Smith, J. O. Sawyer 1972-9-13 5779 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  HSC31543  Physocarpus capitatus Steve Selva, Roger Jensen 1974-8-23 38 Siskiyou Along trail to Devils Punchbowl Comment
  CAS-BOT-BC78167  Picea breweriana Doris K. Kildale 1928-8-19 6561 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  UC1349380  Picea breweriana H. A. Thomas 1943-7-7 8693 Siskiyou 1645 Comment
  UCD133125  Picea breweriana 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
  JEPS35941  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  RSA31098  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  HSC103157  Pinus albicaulis Michael Kauffmann 2013-8-8 21 Siskiyou The Whaleback 2541 Comment
  UC336825  Pinus albicaulis unknown 1988-9-11 Siskiyou Mt. Shasta Comment
  UCD134319  Pinus albicaulis Robert E. Preston 2001-6-30 1649 d Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC78322  Pinus attenuata M. P. Anderson 1902-2-16 s.n. Siskiyou Seiad Valley, Post Office, forks of Seiad Creek Comment
  RSA1660  Pinus attenuata C. B. Wolf 1930-10-19 1747 Siskiyou Modoc Lava Beds; 1 mile W of Timbered Butte, on old road from C. W. Hill farm to Little Hot Springs Valley. 1220 Comment
  UC1713756  Pinus balfouriana Mastrogiuseppe 1967-1-30 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC78494  Pinus contorta subsp. murrayana W. R. Dudley 1899-8-15 s.n. Siskiyou Near Glazier Comment
  HSC31498  Pinus contorta var. murrayana Steve Selva, Roger Jensen 1974-8-16 20 Siskiyou N shore of Sugar Lake. Comment
  HSC92116  Pinus contorta var. murrayana Jennifer Whipple 1978-10-6 2416 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  HSC37526  Pinus lambertiana J. P. Smith 1974-5-25 7436 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC73093  Pinus lambertiana William R. Dudley 1893-6-23 s.n. Siskiyou Near the top of the Castle Crags. Comment
  CAS-BOT-BC78950  Pinus monticola Doris K. Kildale 1929-8-24 8840 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC78952  Pinus monticola John Thomas Howell 1937-7-29 13666 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC78964  Pinus monticola Doris K. Kildale 1928-7-4 5480 Siskiyou summit of Divide between Salmon River + Scott Valley Comment
  UCD134814  Pinus monticola J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
Read comments
Mar 6 2015
  CAS-BOT-BC72864  Pinus ponderosa Doris K. Kildale 1927-11-20 4174 Siskiyou Klamath River at Hornbrook Comment
  HSC1540  Pinus ponderosa R. C. Wunner 1965-7-9 377 Siskiyou Lava Beds National Monument, Upper Ice Cave Junction with Tichner Rd. 1555 Comment
  RSA237359  Pinus washoensis Frederick W. Oettinger 1968-9-4 701 Siskiyou On a northwest-tending ridge from the peak between Abbotts Lake and Lake of the Island---just below the peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  RSA47773  Plagiobothrys tenellus Roxana S. Ferris, Laura Lorraine 11891 Siskiyou 1 mile below summit of Gazelle Mt grade, W side Gazelle-Callahan Road. 1220 Comment
  HSC68388  Plantago lanceolata Maralyn A. Renner 1980-6-26 1252 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC61845  Platanthera dilatata var. leucostachys Ruby Van Deventer 1938-7-9 Siskiyou Poker Flat 1585 Comment
  UC336576  Platanthera leucostachys unknown 1889-6-8 Siskiyou near Edgewood Comment
  UC642559  Platanthera sparsiflora W. Bridge Cooke 1939-7-7 13612 Siskiyou Sedge Bog at Wagon Camp Mount Shasta 1737 Comment
  CAS-BOT-BC136654  Platanthera stricta Louis C. Wheeler 1934-8-10 3092 Siskiyou Field redacted by CAS, contact the data manager for more information 1371 Comment
  HSC41084  Plectritis congesta J. O. Sawyer 1970-3-4 2070 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC261038  Poa Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 1981 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 Comment
  UC1212590  Poa bolanderi Francia Chisaki and Helen Sharsmith 1959-8-20 4733 Siskiyou divide between Scott River and East Fork Salmon River Carrigher's Summit; Inner N coast Ranges 1981 Comment
  CAS-BOT-BC254998  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou Schumacher's (Geo Gray's) Ranch Comment
  HSC100250  Poa bulbosa J. P. Smith, & J. O. Sawyer 2010-5-2 12806 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  UC450473  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Yreka (Schulmeyer's (Geo. Gray's) Ranch) Comment
Read comments
May 9 2008
  SEINET10660678  Poa laevigata A. Arthur Heller 1905-6-19 Heller 8070 Siskiyou Grenada Station. Comment
  CDA2375  Poa palustris Bill Huse 1960-8-8 Siskiyou Tulelake. 0 Comment
  UCD91851  Poa pratensis Geo. D. Butler 1908-6-25 478 Siskiyou near Greka. Comment
  CAS-BOT-BC247529  Poa pringlei Wm. Bridge Cooke 1939-7-26 13755 Siskiyou Mount Shasta. Below Lake Helen on the Summit Trail 3048 Comment
  JEPS81691  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  SEINET10659353  Poa scabrella Louis C. Wheeler 1935-5-11 Wheeler 3478 Siskiyou Low, sunny, formerly wet site Klamath River at Ash Creek, Siskiyou County. S13, T46N, R7W. Mt. Diablo Mer. 610 Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  RSA602815  Poa secunda L. C. Wheeler 1935-6-9 3561 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  UC167207  Poa secunda subsp. juncifolia Geo. D. Butler 1908-7-16 467 Siskiyou Klamath River Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC243224  Poa secunda subsp. secunda C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  HSC69009  Poa secunda subsp. secunda Maralyn A. Renner 1980-7-24 2034 Siskiyou Lily Pad Lake 1768 Comment
  JEPS84090  Poa secunda subsp. secunda L. R. Heckard with S. D'Alcamo, and J. Hickman 1986-7-16 6388 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UC196956  Poa secunda subsp. secunda Geo. D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  UCD77925  Poa secunda subsp. secunda Robert E. Preston 2002-6-20 1828 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  UCD37094  Podagrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  SEINET13763051  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  UC796566  Polemonium micranthum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11836 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); , rd btw Callahan and Gazelle 1499 Comment
  CAS-BOT-BC231357  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  UC602587  Polemonium pulcherrimum W. Bridge Cooke 1938-7-28 11376 Siskiyou Mt. Shasta 2895 Comment
  POM301665  Polemonium pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  RSA105327  Polemonium pulcherrimum var. pilosum G. D. Barbe 1955-8-1 325 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  HSC27592  Polygala cornuta Carl W. Mize 1972-6-21 69 Siskiyou Along trail about 3/8 mi. from corner 343 Comment
  SEINET11263756  Polygala cornuta George Neville Jones 1967-6-29 45675 Siskiyou Near Dunsmuir, lower slopes of Mt. Shasta.; 0 914 Comment
  OBI55528  Polygala cornuta var. cornuta David J. Keil, Kathleen Keil 1992-7-21 23517 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  RSA749253  Polygala cornuta var. cornuta K. M. Meyer, A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  UC163656  Polygonum bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  UCD77938  Polygonum californicum Robert E. Preston 2002-6-22 1883 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS51268  Polygonum douglasii Geo. D. Butler 1908-7-20 195 Siskiyou Humbug Creek Comment
  CAS-BOT-BC414597  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 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
  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
  RSA65857  Polygonum minimum Louis C. Wheeler 1934-8-13 11430 Siskiyou Johnson Dairy, Siskiyou Mts. 1829 Comment
  RSA237779  Polygonum persicaria Frederick W. Oettinger 1969-8-14 1565 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  RSA184755  Polygonum phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  JEPS109979  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 2005-7-13 19393 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89) 1402 Comment
  CAS-BOT-BC420069  Polygonum polygaloides subsp. kelloggii Wm. Bridge Cooke 1939-7-13 13653 Siskiyou Mount Shasta. Portion of Squaw Valley Creek Meadows Comment
  HSC30501  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1216 Siskiyou Marble Mtn. Wilderness Area, base camp at English Lake 1829 Comment
  RSA659528  Polygonum shastense Gary D. Wallace 1990-7-1 2948 Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2256 Comment
  UC6736  Polygonum shastense W. H. Brewer 1862-9-13 1382 Siskiyou near Camp 99; Mt. Shasta 2438 Comment
  CAS-BOT-BC420989  Polygonum spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  POM145045  Polygonum spergulariiforme E. B. Copeland 1903-8-18 3906 Siskiyou Mt. Eddy. 2134 Comment
  SBBG25881  Polygonum spergulariiforme D. Myrick 1966-8-8 1489 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  RSA211298  Polygonum spergulariiforme William J. Ferlatte 1966-8-18 431 Siskiyou Willow Creek Trail. 1707 Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  UC70718  Polypogon monspeliensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SBBG28173  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou 2 mi E of White Mtn 1920 Comment
  HSC79148  Polystichum imbricans C. J. Thomas 1983-10-1 99 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC79155  Polystichum imbricans C. J. Thomas 1983-10-1 105 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  RSA237503  Polystichum imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below that section of the English Peak-Hancock Lake trail that is due NE of Tom's Lake. West facing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA693318  Polystichum imbricans B. C. Templeton 1957-6-22 s.n. Siskiyou Near the summit of Scott Mt. Comment
  HSC58845  Polystichum imbricans subsp. imbricans Marvin Butler 1971-7-20 169 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  UC150381  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou near Sisson Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  HSC81755  Polystichum lemmonii Thomas W. Nelson, Jane Nelson 1980-7-20 6184 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC909350  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  CAS-BOT-BC72377  Polystichum lemmonii Doris K. Kildale 1929-8-23 8821 Siskiyou Preston Peak 396 Comment
  POM210966  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  RSA602827  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  RSA693359  Polystichum lemmonii M. B. Dunkle 1945-1 9310 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  JEPS50871  Polystichum lonchitis Al Hobart 1967-8-8 Siskiyou n face Preston Peak; Siskiyou Range, westernmost Siskiyou County 1828 Comment
  CAS-BOT-BC76680  Polystichum munitum Doris K. Kildale 1928-7-3 5450 Siskiyou Little North Fork Salmon River Comment
  UC185199  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldredge's Canal; Russian Creek Comment
  HSC45878  Polystichum scopulinum J. P. Smith, J. O. Sawyer 1972-9-13 5788 Siskiyou 2 mi. W of Cook and Green Pass on the rd. to Lily Pad Lake Comment
  HSC19176  Populus tremuloides J. O. Sawyer 1968-6-18 215 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  UC202562  Potamogeton illinoensis Geo. D. Butler 1910-8-21 1853 Siskiyou Shasta River Comment
  CAS-BOT-BC334233  Potamogeton pusillus Dana York 2011-9-9 3097 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  JEPS94254  Potentilla anserina subsp. anserina Vernon H. Oswald and Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway 0.5 mi w of Bray (10 air mi e of Grass Lake located on Highway 97, 23 air mi ne of Weed); Old State Highway 1414 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
  CAS-BOT-BC143182  Potentilla breweri David D. Keck 1938-8-8 4870 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  RSA237618  Potentilla breweri var. breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake trail. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  HSC90588  Potentilla cristae Jennifer Whipple 1976-7-1 1222 Siskiyou Wagon Creek drainage near Wagon Creek 2409 Comment
  JEPS109787  Potentilla cristae Dean W. Taylor 2002-7-29 18290 Siskiyou cirque as easterly base of summit ridge, South China Mounain 2423 Comment
  UC166112  Potentilla flabellifolia Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain 1828 Comment
  UC903055  Potentilla fruticosa Mrs. H. P. Bracelin 1931-6-21 456 Siskiyou above Dobkins Lake (n side of Mount Eddy); above Dobkins Lake, n side Mount Eddy 2133 Comment
  CHSC86636  Potentilla gracilis Jenny Marr 1993-7-1 19 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS98790  Potentilla gracilis var. fastigiata Sue Pappalardo 1993-7-19 494 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
  CAS-BOT-BC540575  Potentilla gracilis var. fastigiata W. B. Cooke; V. G. Cooke 1968-7-1 39229 Siskiyou Military pass Road at US-97, Mount Shasta 1371 Comment
  HSC126  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mtn. Meadow Ranch 1524 Comment
  RSA114763  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  UCD113806  Potentilla millefolia M. V. Maxwell 1941-6-25 s.n. Siskiyou 14 mi. E. of Montague. 914 Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  CAS-BOT-BC158204  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Mts. 1127 Comment
  CAS-BOT-BC158240  Prunus emarginata Doris K. Kildale 1928-8-20 6625 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CDA26147  Prunus emarginata M. S. Bergseng 1959-5-12 2362 Siskiyou North of Dunsmuir, Mt. Shasta region. 0 Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  JEPS44942  Prunus emarginata Willis L. Jepson 1894-8-4 13836 Siskiyou Mount Shasta, Niel's Camp Mount Shasta; , Niel's Camp Comment
  UC618857  Prunus emarginata W. Bridge Cooke 1938-7-22 11318 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  CAS-BOT-BC158199  Prunus emarginata Paul F. Covel 1939-8-13 1652 Siskiyou Lava Beds Nat. Monument, Modoc-Siskiyou Co's Comment
  HSC19575  Prunus subcordata J. F. Knezevich 1967-6-3 180 Siskiyou W of McCloud to Signal Butte Comment
  HSC29409  Prunus virginiana var. demissa Frederick W. Oettinger 1969-7-16 1040 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbotts lake 1860 Comment
  UCD113531  Prunus virginiana var. demissa Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  UCR152042  Prunus virginiana var. demissa P. V. Wells 1967-1-7 s.n. Siskiyou Mt. Shasta, At Mcbryde Spring 1524 Comment
  CAS-BOT-BC357577  Pseudognaphalium stramineum Carl B. Wolf 1927-8-26 1061 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UCD91496  Pseudoroegneria spicata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3397 Siskiyou 7 miles N of Weed. Comment
  UC593550  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1908 Siskiyou about 7 mi sw of Yreka (s of Highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  HSC81762  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-20 6169 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC903496  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 Siskiyou Plowman's Valley Rail Creek; , Rail Creek 1203 Comment
  JEPS47273  Pseudotrillium rivale Milo S. Baker 1923-8-14 243 b Siskiyou Siskiyou Nat'l Forest, Smith R. Division, Camp 6 Comment
  LA6346  Pseudotsuga menziesii var. menziesii Louis C. Wheeler; 1934-9-4 3243 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1371 Comment
  CHSC71869  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald; Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  RSA240086  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Trail from Abbott's Lake to Cold Springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  SEINET7238921  Pterospora andromedea W. Roderick 1967-7-27 s.n. Siskiyou High Road, S of Etna 1676 Comment
  CAS-BOT-BC147901  Purshia tridentata var. tridentata L. R. Abrams; J. T. Benson 1924-5-9 10173 Siskiyou Near Black Butte Comment
  CAS-BOT-BC147908  Purshia tridentata var. tridentata G. P. Rixford s.n. Siskiyou South side of Shaft Rock, Mt. Hilt Comment
  RSA449668  Purshia tridentata var. tridentata H. E. McMinn 1931-6-27 2517 Siskiyou Shasta City. Comment
  JEPS82485  Pyrola crypta Gilbert Muth 1965-8-10 198 Siskiyou Along either trail, Black Mt., Marble Mt 1828 Comment
  UC21700  Pyrola picta W. H. Brewer 1411 Siskiyou Mount Shasta Comment
  CAS-BOT-BC466131  Pyrola picta Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  SD88340  Pyrola picta Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  SDSU9900  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake Creek, north fork of Slamon River, about 20 miles southwest of Aetna, Siskiyou Co. 1829 Comment
  UC86685  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou [illeg.] Mt. Eddy Comment
  JEPS24007  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  CAS-BOT-BC362389  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 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
  UCD82871  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -13 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  CAS-BOT-BC94653  Quercus garryana W. R. Dudley 1901-8-26 s.n. Siskiyou W of Willow Creek Slope, Salmon Mountains Comment
  CDA21914  Quercus garryana E. Hale 1983-10-24 Siskiyou Guy s Gulch near Yreka. Comment
  RSA639548  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6940 Siskiyou [No location information on label.] Comment
  UC705928  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou 21 mi n Happy Camp; Summit of Siskiyou Mountains Comment
  UCD46170  Quercus garryana var. breweri J. M. Tucker 1948-8-3 1780 D Siskiyou Summit of Happy Camp-O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  CAS-BOT-BC105467  Quercus kelloggii Lewis S. Rose 1925-7-12 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC105476  Quercus kelloggii H. A. Thomas; J. H. Thomas 1954-7-22 4453 Siskiyou Salmon - Trinity Mts. About 6 mi SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of 975 Comment
  CAS-BOT-BC104347  Quercus sadleriana Reino Olavi 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
  LA86551  Quercus sadleriana Sandra L. Holloway; 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction Red Rock Valley trail and Canyon Creek trail 1341 Comment
  SFV895  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area. Junction of Red Rock Valley Trail and Canyon Creek Trail. 1341 Comment
  UCD47243  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-12 20274 Siskiyou Horse Creek to Dry Lake Lookout, 2 miles west of Lookout, Siskiyou County. 1920 Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  SEINET12029178  Quercus sadleriana S. L. Holloway 1963-1 77 Siskiyou jct Red Rock Valley Trail and Canyon Creek trail, Marble Mountain Wilderness Area Comment
  CAS-BOT-BC104640  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  RSA622138  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo road. Comment
  UC848338  Quercus vacciniifolia unknown 1941-9-16 16320 Siskiyou along the Castle Lake Road Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  UC1658345  Raillardella pringlei J. Kierstead 1990-7-18 90 -102 Siskiyou Gumboot Creek Shasta-Trinity National Forests, Mt. Eddy, Mt. Shasta Ranger (s side of mt., 100 yd s of Forest Service Rd 40N26) 1676 Comment
  RSA733905  Ranunculus J. M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake. 1982 Comment
  JEPS60658  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-10-16 545 Siskiyou creek below L. Eastlick Ranch; Oro Fino Comment
  UC52256  Ranunculus aquatilis var. capillaceus W. T. Mooney May 1903 Siskiyou Yreka Comment
  RSA399378  Ranunculus aquatilis var. capillaceus M. B. Dunkle 1929-8-26 2337 Siskiyou Golden Trout Creek. 2744 Comment
  RSA13286  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8571 Siskiyou Trail up S Fork of Indian Creek. 457 Comment
  UC61094  Rhamnus californica subsp. occidentalis Milo S. Baker 1899-7-31 Siskiyou e slope Mt. Shasta (on Ash Creek); , Ash Creek Comment
  RSA12078  Rhamnus ilicifolia Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA7703  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SEINET4855298  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson. 1098 Comment
  RSA7807  Rhamnus purshiana Doris K. Kildale 1928-7-25 5912 Siskiyou Klamath River Comment
Read comments
Jan 24 2013
  RSA7819  Rhamnus purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  UC1121928  Rhamnus rubra H. S. Yates 1936-6-21 5829 Siskiyou n base Wintoon Butte; Dunsmuir Quad. 1219 Comment
  RSA34039  Rhamnus rubra subsp. obtusissima A. A. Heller 1920-8-13 13525 Siskiyou Upton. Comment
  CAS-BOT-BC109791  Rhodiola integrifolia subsp. integrifolia G. J. Muth 1969-8-8 1289 Siskiyou Gap Meadow, Boulder Peak Ridge. 2286 Comment
  HSC100078  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-7 1079 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  UC1608351  Rhus trilobata J. Kierstead 1991-4-23 91 -1 Siskiyou 2 mi sw of Haystack Rock (n side of Mt. Shasta, n of Hwy. 97); Mt Shasta Comment
Read comments
Jun 1 2007
  UC61673  Ribes W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC438001  Ribes Alice Eastwood 1912-7-19 1226 Siskiyou Mount Shasta Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  CAS-BOT-BC92533  Ribes binominatum W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains. Comment
  CAS-BOT-BC108770  Ribes cereum Alice Eastwood 1912-8-28 1937 Siskiyou Sisson. Comment
  LA205407  Ribes cereum Wm. Bridge Cooke; 1938-8-22 11564 Siskiyou Diller Canyon Comment
  UC858417  Ribes cereum Frank W. Gould 1940-5-15 1254 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  CAS-BOT-BC108784  Ribes cereum M. S. Baker 1957-6-1 13101 Siskiyou Trip to Scott Mountain. Comment
  RSA0024876  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou SW end Little Shasta Valley, 12 miles NE. US Highway 97 at junction with rd. to Montague. 884 Comment
  JEPS95064  Ribes cereum var. cereum Vernon Oswald and Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat (3.9 mi s of Medicine Lake Road); Forest Route 15 1700 Comment
  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
  HSC99339  Ribes lobbii G. L. Clifton 1979-7-1 6195 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CAS-BOT-BC173381  Ribes lobbii Milo S. Baker 1926-7-22 107 -'26 Siskiyou S. Fork Mt. - 5 miles from highway Comment
  RSA0021146  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou Saddle along ridge between Charmaine Lake and Abbotts Lake. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1890 Comment
  RSA0021148  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC212489  Ribes marshallii Harley P. Chandler 1901-6-1 1549 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  CDA25541  Ribes marshallii T. C. Fuller 1958-6-18 1794 Siskiyou At summit of Siskiyou Mountains. 0 Comment
  RSA167322  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
Read comments
Jul 12 2012
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  SEINET13942695 Image available Ribes nevadaense Alice Eastwood 2012-1 1324 Siskiyou Cantara Comment
  CAS-BOT-BC217876  Ribes nevadense Ira L. Wiggins 1950-5-28 12372 Siskiyou On side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  CAS-BOT-BC219269  Ribes nevadense Alice Eastwood 1923-5-23 11909 Siskiyou Near Shasta Springs Comment
  HSC64664  Ribes nevadense J. O. Sawyer 1977-7-6 3030 Siskiyou South of Little Duck Lake 2134 Comment
  SD76163  Ribes nevadense Helen V. Witham 1969-10-7 548 Siskiyou Northwest face, granite cliffs above Kangaroo Lake, Scott Mts. 2100 Comment
  UC618600  Ribes nevadense W. Bridge Cooke 1938-6-17 11006 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0024594  Ribes roezlii var. cruentum Marion Ownbey, Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  CAS-BOT-BC186289  Ribes roezlii var. roezlii Alice Eastwood 1921-7-30 11008 Siskiyou Soda Creek Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  UC375409  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CAS-BOT-BC65007  Rorippa curvipes R. F. Thorne; Frederick W. Oettinger 1969-8-4 63353 Siskiyou High lake basins in the vicinity of English Pk, above Tobacco Lake. Klamath National Forest, Marble Mountain Wilderness Comment
  SBBG30531  Rorippa curvisiliqua D. Myrick 1968-6-26 2032 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC165305  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou near Yreka Comment
Read comments
Feb 18 2009
  HSC76684  Rorippa curvisiliqua K. T. Stillman 1976-7-30 324 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1871387  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  POM277848  Rosa eastwoodiae Alice Eastwood 1912-9-4 2100 Siskiyou Sisson. Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  RSA50227  Rosa gymnocarpa E. K. Balls 1949-7-9 13934 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC60952  Rosa gymnocarpa Geo. B. Grant Sept. 1902 5283 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CAS-BOT-BC147052  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  HSC90551  Rosa pisocarpa Jennifer Whipple 1977-8-6 2203 Siskiyou W side of Dobkins Lake 2073 Comment
  RSA237810  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237816  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou Just below Diamond Lake on way towards English Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2058 Comment
  SEINET10628439 Image available Rosa pisocarpa Cyrus G. Pringle 1882-1 Pringle 14501 Siskiyou By streams. Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  JEPS125884  Rotala ramosior Dean W. Taylor 1996-7-27 15864 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  POM366399  Rubus discolor Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CAS-BOT-BC147135  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Klamath National Forest, Bear Creek 1767 Comment
  CDA15528  Rubus leucodermis G. F. Hrusa 1998-7-5 14696 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  HSC59616  Rubus parviflorus J. P. Smith, Steve Selva 1970-6-16 4048 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  POM366427  Rubus parviflorus Bonnie C. Templeton 1960-6-21 8555 Siskiyou Near the summit of Scott Mtn. Comment
  CAS-BOT-BC363171  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  POM57582  Rudbeckia klamathensis E. B. Copeland 1903-9-8 3862 Siskiyou Mt. Eddy 1524 Comment
  CDA17131  Rumex acetosella G. F. Hrusa 2001-6-6 15845 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  JEPS3040  Rumex occidentalis Willis L. Jepson Jul 24 1894-Aug 10 1894 14852 Siskiyou Sisson Upper Sacramento Region, Strawberry Valley Comment
  UC618782  Sagina saginoides W. Bridge Cooke 1938-7-1 11153 Siskiyou Wagon Camp - upper meadow Mt. Shasta; , Wagon Camp Comment
  HSC29616  Sagina saginoides Frederick W. Oettinger 1969-8-22 1495 Siskiyou Marble Mtn. Wilderness Area, SE of Horse's Hole, near Horse Range Lake 1820 Comment
  UC1408875  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou near Abbotts; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1859 Comment
  CAS-BOT-BC445652  Sagittaria cuneata Calvin McMillan; Malcom A. Nobs 1949-6-17 799 Siskiyou Grass Lake, Highway 97 Comment
  RSA759838  Salix Robert F. Thorne 1969-8-2 63399 -b Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  CAS-BOT-BC103536  Salix commutata John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC103544  Salix commutata John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM208526  Salix eastwoodiae Louis C. Wheeler 1934-8-9 3083 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  RSA238026  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC1173604  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14396 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  RSA105506  Salix exigua G. D. Barbe 1955-6-28 7 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  CHSC35572  Salix exigua var. hindsiana J. P. Smith; J. O. Sawyer 1978-7-3 9999 Siskiyou Klammath National Forest. Williams Point along the Klammath River, south of State Route 96. Comment
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  RSA0038286  Salix lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1425 Comment
  JEPS13070  Salix lasiandra var. lasiandra Geo. D. Butler 1908-7-9 523 Siskiyou Butler Ranch Yreka Comment
  CAS-BOT-BC107061  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City 1650 Comment
  CAS-BOT-BC107343  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km. northwest of Shasta City 1080 Comment
  CAS-BOT-BC124895  Salix lemmonii Alice Eastwood 1921-7-29 10965 Siskiyou Medicine Lake Comment
  CHSC26605  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  CAS-BOT-BC125687  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou Near Sisson Comment
  UC481731  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CAS-BOT-BC126154  Salix scouleriana L. E. Smith 1913-4-2 619 Siskiyou Sisson Comment
  CAS-BOT-BC126166  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1080 Comment
  CAS-BOT-BC129028  Salix scouleriana Arthur L. Menzies 1962-7-1 s.n. Siskiyou Copper Butte near Cook & Green Pass north of Seiad Valley, Siskiyou Mts. Comment
  CAS-BOT-BC129045  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  HSC19448  Salix scouleriana J. O. Sawyer 1969-6-10 796 Siskiyou S face near Sugar Lake 1829 Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  POM362922  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  UCR142841  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City, about 1.3 km east of Burney Mill 1110 Comment
  CAS-BOT-BC220738  Salvia W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  CAS-BOT-BC220804  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-7 9408 Siskiyou Indian Well, Lava Beds National Monument Comment
  UCD125667  Salvia dorrii var. incana Robert E. Preston 1995-6-18 888 Siskiyou ca. 4 miles east of Hornbrook, on rock outcrop on north side of road to Irongate Reservoir. 670 Comment
  CAS-BOT-BC235043  Sambucus A. M. Vollmer; L. Beane 1953-7-1 111 Siskiyou Junction, Horse Creek-Klamath River Comment
  SEINET9287629  Sambucus canadensis var. canadensis 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
  UC60941  Sambucus mexicana Geo. B. Grant September, 1902 5243 Siskiyou Shasta Springs Mount Shasta 609 Comment
  CAS-BOT-BC238890  Sambucus nigra subsp. caerulea Elmer I. Applegate 1935-6-5 9304 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC236483  Sambucus racemosa subsp. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2042 Comment
  UC54364  Sanguisorba annua H. M. Hall and E. B. Babcock June, 1903 4046 Siskiyou at 18th crossing near Sisson (Mount Shasta); Sierra Nevada Mountains, , at 18th crossing 1036 Comment
  SEINET11912599  Sanguisorba annua Unknown 1986-1 60333 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Road (Rd 45N22) at intersection with roads 1018 Comment
  CDA36167  Sanguisorba minor C. Pirosko 2002-5-14 s.n. Siskiyou Jones Valley 0 Comment
  UC1733770  Sanicula Kay H. Beach 1940-5-15 631 Siskiyou Bull Meadows Comment
  HSC19455  Sanicula graveolens J. O. Sawyer 1969-7-11 1324 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  HSC27476  Sarcodes sanguinea J. P. Smith, J. O. Sawyer 1972-5-28 5375 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  RSA13890  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  UC1190142  Saxifraga ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC722383  Saxifraga ferruginea C. L. Hitchcock, J. S. Martin 1939-7-7 5287 Siskiyou Sanger Peak 1780 Comment
  UC858772  Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou near Gasquet; Siskiyou lowlands Comment
  HSC69193  Saxifragopsis fragarioides Maralyn A. Renner 1980-9-1 2694 Siskiyou Bear Mtn. 1936 Comment
  SEINET5717258 Image available Schoenoplectus acutus var. occidentalis Philip E. Hyatt 2002-1 11138 Siskiyou Happy Camp community, Along Klamath River. north riverbank of Klamath River within 10 feet of water. 41 deg. 47' 36.1'' 123 deg. 22. 05'.3''. Comment
  CAS-BOT-BC35551  Scirpus congdonii John Thomas Howell 1939-8-7 15130 Siskiyou Sky High Valley, Marble Mtns. 1828 Comment
  UCD77991  Scirpus microcarpus Robert E. Preston 2002-7-13 1921 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  RSA238943  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Where inlet stream to Upper English Lake breaks out of woods and heads into open wet meadow. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1768 Comment
  HSC40237  Scleranthus annuus J. P. Smith 1976-5-5 8670 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  HSC659  Scutellaria antirrhinoides William J. Ferlatte 1967-7-8 674 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  UCR37579  Sedum obtusatum subsp. boreale L. P. Janeway 1983-7-3 374 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  HSC19537  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1501 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  CAS-BOT-BC64084  Sedum oregonense Ira L. Wiggins 1955-7-27 13521 Siskiyou Caribou lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC205173  Sedum spathulifolium Lewis C. Rosenbaum June 1916 Siskiyou Shasta Springs Comment
  RSA0035471  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  CAS-BOT-BC496375  Selaginella scopulorum Louis C. Wheeler 1934-8-14 3122 Siskiyou Siskiyou Mts., 0.5 mile W White Mt. 1920 Comment
  UC904780  Senecio fremontii var. occidentalis W. Bridge Cooke 1949-8-22 25559 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  CAS-BOT-BC363745  Senecio hydrophilus T. C. Fuller 1958-9-12 s.n. Siskiyou 5 mi. s. of Yreka Comment
  CAS-BOT-BC363939  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-9 629 Siskiyou Humbug road Comment
  RSA0125032  Senecio integerrimus var. exaltatus 1934-7-5 s.n. Siskiyou 3 6/10 mi from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1981 Comment
  RSA0125046  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest Meadows. Comment
  CAS-BOT-BC364044  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1606 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1981 Comment
  CDA7665  Senecio sylvaticus D. Osterhandt, Don Shaw 1979-8-17 Siskiyou Near Forks of Salmon. 0 Comment
  HSC96401  Senecio triangularis Gordon Leppig, J. Kalt 1996-7-9 351 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC364431  Senecio triangularis L. R. Short 1933-8-5 106 Siskiyou Klamath National Forest. Big ridge N. of Marble Mts. 1981 Comment
  RSA473095  Senecio triangularis M. B. Dunkle 1944-7-18 9143 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  SD88378  Senecio triangularis Darley F. Howe 1972-7-6 Siskiyou 5 miles south of Oregon state line on road to Happy Camp 1220 Comment
  SEINET10918409  Shepherdia canadensis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 175 Siskiyou Shasta-Trinity National Forest. 5.4 mi. on NF Rd. 17, off US Hwy. 97. 1294 Comment
  JEPS57210  Sibbaldia procumbens L. R. Heckard 1967-8-14 1729 Siskiyou above Horse Camp (on sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  JEPS105152  Sidalcea asprella Dean W. Taylor 1993-7-30 13987 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 mi E of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  HSC46130  Sidalcea malviflora subsp. nana J. P. Smith 1976-5-5 8703 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC76964  Sidalcea malviflora subsp. nana K. T. Stillman 1976-7-30 326 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC205785  Sidalcea oregana David D. Keck 1938-8-6 4815 Siskiyou At Del NOrte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  UC18929  Sidalcea oregana subsp. spicata State Survey 1800-1 1434 Siskiyou Strawberry Valley Mt. Shasta, Strawberry Valley Comment
  UCD39820  Sidalcea oregana subsp. spicata A. H. Murphy 1955-7-27 D- 2 Siskiyou Klamath National Forest. Marble Mountains, Cold Springs Meadow. 1676 Comment
  SEINET185062  Silene C. L. Hitchcock, J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1829 Comment
  JEPS94897  Silene antirrhina Vernon H. Oswald and Lowell Ahart 1998-6-11 9180 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  UC852816  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  CAS-BOT-BC181199  Silene campanulata subsp. glandulosa R. C. Barneby 1954-5-16 11508 Siskiyou Klamath R. canyon 10 1/2 mi. below Klamath River P.O. 472 Comment
  JEPS51030  Silene douglasii W. L. Jepson 1940-6-23 20027 Siskiyou n Mt. Shasta; n of Mt. Shasta, Andesite station 975 Comment
  CAS-BOT-BC388949  Silene grayi A. A. Heller 1920-6-29 13403 Siskiyou Near Wagon Creek falls, east side of Mt. Eddy Comment
  HSC101158  Silene grayi Dana York 2011-8-12 3051 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  HSC76646  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  UC1409290  Silene grayi Frederick W. Oettinger 1968-8-22 592 Siskiyou high lake basins in vicinity English Peak (n slope of English Peak, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2222 Comment
  UC1602154  Silene grayi Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 20 Siskiyou Mt. Shasta 2438 Comment
  UCD98593  Silene grayi M. A. Showers 1981-8-8 2017 mas Siskiyou between Shastina and Mt. Shasta at head of Cascade Gulch. 2804 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CAS-BOT-BC389534  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  CAS-BOT-BC175120  Silene suksdorfii Mary Ann Showers 1980-8-28 2071 Siskiyou On vertical n and ne-facing slopes of Red Butte, on lower slope of Mt. Shasta, Shasta-Trinity Natl Forest 2468 Comment
  UC618766  Sisymbrium altissimum W. Bridge Cooke 1938-8-19 11525 Siskiyou Mount Shasta, Lower Bear Spring Lower Bear Spring; Mount Shasta, Lower Bear Spring 1524 Comment
  POM109018  Sisyrinchium bellum Geo D. Butler 1909-6-22 885 Siskiyou Goose nest meadows 1524 Comment
  RSA238754  Sisyrinchium bellum Frederick W. Oettinger 1969-8-1 1125 Siskiyou Wiregrass Meadow below English Lake, Elnglish Lake Basin. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1677 Comment
  UC166216  Sisyrinchium idahoense Geo. D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  HSC69082  Sium suave Maralyn A. Renner 1980-8-4 2219 Siskiyou Flint Valley 1390 Comment
  UC429239  Smilacina racemosa Annie M. Alexander and L. Kellogg 1911-6-21 167 Siskiyou Jackson L. 2194 Comment
  UC164383  Smilacina stellata Geo. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  UCD126987  Solanum physalifolium var. nitidibaccatum R. C. Bacigalupi; S. Galen Smith 1957-6-27 5967 Siskiyou about 1.5 miles west of Weed, along U.S. Highway 99. 1074 Comment
  CAS-BOT-BC94461  Solanum umbelliferum R. C. Wenk 2005-7-19 318 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
  SEINET10614387  Solidago David B. Dunn 1971-8-15 Dunn 18144 Siskiyou 1/2 mi. east of McCloud Ranger Station on Hwy. 89. Comment
  SEINET516275  Solidago californica Vernon H. Oswald 1997-7-28 8791 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 Comment
  RSA298136  Solidago canadensis subsp. elongata J. P. Smith, J. O. Sawyer 1971-9-17 4781 Siskiyou At Little Duck Lake Comment
  UCR37811  Solidago canadensis subsp. elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  CAS-BOT-BC365571  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  UC1034035  Solidago elongata W. Bridge Cooke 1941-8-8 16154 Siskiyou along springs and creeks between Wagon Camp and Bear Springs; Mount Shasta Comment
  HSC76968  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  HSC61978  Solidago multiradiata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  SEINET5709652 Image available Solidago multiradiata Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7697 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
  OBI53777  Solidago velutina subsp. californica David J. Keil 1992-7-20 23477 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  CDA7673  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CDA7676  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CAS-BOT-BC157322  Sorbus californica John Thomas Howell 1939-8-3 14979 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC18905  Sorbus californica J. O. Sawyer 1968-7-23 590 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC157319  Sorbus californica W. R. Dudley 1901-8-23 s.n. Siskiyou 1st ravine north of Amphitheatre below Caribou Glacier Comment
  RSA597967  Sorbus californica Louis C. Wheeler 1963-8-31 8319 Siskiyou Siskiyou Mountains. Devil's Punch Bowl. 1479 Comment
  CAS-BOT-BC158936  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou W. Fork Beaver Cr., Klamath National Forest 1676 Comment
  HSC69211  Sorbus scopulina Maralyn A. Renner 1980-7-24 2082 Siskiyou Lily Pad Lake 1768 Comment
  HSC30220  Spergularia rubra William J. Ferlatte 1968-6-8 1126 Siskiyou Mountain Meadow Ranch. 1524 Comment
  RSA0097339  Spergularia rubra C. L. Hitchcock, J. S. Martin 1939-7-9 5334 Siskiyou Paradise Lake, near Kings Castle. 1768 Comment
  CHSC1987  Sphenosciadium capitellatum V. Holt 1943-8-14 Siskiyou Marble Mountains 1828 Comment
  UC164074  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooley Creek 1676 Comment
  CAS-BOT-BC149677  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC149689  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  HSC18898  Spiraea splendens var. splendens J. O. Sawyer 1968-7-23 596 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA211188  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC416580  Stachys ajugoides var. rigida H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  HSC164  Stachys rigida William J. Ferlatte 1966-8-2 242 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  RSA183648  Stachys rigida subsp. quercetorum Gilbert Muth 1965-8-16 221 Siskiyou On trail behind Blk. Mt., Marble Mts. Comment
  HSC78209  Stachys rigida var. rigida L. P. Janeway 1983-8-16 546 Siskiyou Poker Flat 1524 Comment
  HSC68021  Stellaria borealis subsp. sitchana J. P. Smith, Steve Selva 1970-6-16 4036 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  JEPS51153  Stellaria calycantha Milo S. Baker 1898-8-1 487 Siskiyou 1 mi s Medicine Lake Comment
  UC922494  Stenanthium occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  UCD139813  Stenanthium occidentale G. L. Clifton 1975-7-29 6042 Siskiyou near Copper Butte and Seiad Valley. 1328 Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  RSA237481  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou On English Lake trail, below Willow Spring. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  CAS-BOT-BC375670  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  HSC30477  Stephanomeria virgata Frederick W. Oettinger 1969-8-10 1330 Siskiyou At Ft. Jones Comment
  SEINET10523037  Stipa occidentalis Patricia L. Kenney 1973-6-4 Kenney 387 Siskiyou Manzanita and yellow pine habitat near Freeman Lane, off Hwy 5 toward Abrams Lake. 1067 Comment
  HSC13360  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-22 246 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  CAS-BOT-BC61130  Streptanthus barbatus M. S. Baker s.n. Siskiyou Sacramento River near Sisson. Comment
  CAS-BOT-BC87859  Streptanthus tortuosus Marion Ownbey; Fred G. Meyer 1940-7-4 2194 Siskiyou Along Brewer Creek, 1 mile below timber line, east side of Mount Shasta. Comment
  HSC69120  Streptanthus tortuosus Maralyn A. Renner 1980-8-7 2388 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  POM266084  Streptanthus tortuosus C. L. Hitchcock, J. P. Martin 1939-7-7 5281 Siskiyou On side of Sanger Pk. 1646 Comment
  UC130672  Streptanthus tortuosus var. orbiculatus H. M. Hall July 1909 8673 Siskiyou Salmon River 1645 Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  HSC62005  Streptopus amplexifolius Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS80511  Streptopus amplexifolius var. americanus Gilbert Muth 1966-7-24 443 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  RSA577888  Stuckenia pectinata L. C. Wheeler 1935-6-23 3592 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  UC1561398  Swertia albicaulis Barbara Ertter 1985-5-30 5759 Siskiyou 2.5 mi n Scott Mt. Summit (on Hwy 3, se of Callahan) 1402 Comment
  CAS-BOT-BC269627  Symphoricarpos albus var. laevigatus D. K. Noyes 1911-9-29 30 Siskiyou Klamath National Forest Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS12887  Symphoricarpos mollis W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  UC164059  Symphoricarpos mollis var. acutus Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest foothills 1524 Comment
  SBBG7655  Symphyotrichum ascendens H. and M. Dearing 1948-9-12 7631 Siskiyou Panther Crk, Mt Shasta 2316 Comment
  CAS-BOT-BC99035  Symphyotrichum cusickii Louis C. Wheeler 1934-8-14 3130 Siskiyou Siskiyou Mts. - North side White Mt. - Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC97871  Symphyotrichum eatonii Geo. D. Butler 1908-8-11 292 Siskiyou near Oro Fino Comment
  UC165285  Symphyotrichum frondosum Geo. D. Butler 1910-9-11 1884 Siskiyou near Gazelle Comment
  CAS-BOT-BC98439  Symphyotrichum spathulatum C. Edward Graves 1944-8-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC221960  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon. North slope of Round Mountain Comment
  SEINET10861042  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 Stanford 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  SBBG25856  Tanacetum vulgare D. Myrick 1966-8-13 1552 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  CAS-BOT-BC85235  Taxus brevifolia Louis C. Wheeler 1934-8-14 3138 Siskiyou West end White Mt., Siskiyou Mts., Mt. Diablo Mer. 1767 Comment
  POM210933  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Siskiyou Mountains, west end of White Mountain 1768 Comment
  NY17405  Taxus brevifolia E. P. Lee 1934-8-11 1039 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
  UCSB16646  Tellima grandiflora Breedlove, Dennis 1962-6-11 Siskiyou about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  UC165954  Thalictrum fendleri Geo. D. Butler 1908-8-9 359 Siskiyou near Shackelford divide; Wooly Creek Comment
  CAS-BOT-BC95072  Thelypodium brachycarpum Dean William Taylor 1987-8-9 9289 Siskiyou Lower Klamath National Wildlife Refuge, along Highway 61, 8.3 mi. W from Highway 139 1249 Comment
  HSC49929  Thelypodium brachycarpum Gilbert Muth 1978-8-2 7326 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 1853 Comment
  CAS-BOT-BC88072  Thelypodium brachycarpum Dorothy Parker 1947-6-9 194 Siskiyou Along Highway 99 between Gazelle and Yreka. 914 Comment
  UCD93360  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  JEPS105430  Thlaspi arvense Dean W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC165981  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mountain Comment
  SD230295  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA237924  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-21 311 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA275403  Tofieldia glutinosa subsp. occidentalis J. P. Smith, Steve Selva 1970-7-18 4481 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC163801  Tofieldia occidentalis subsp. occidentalis Geo. D. Butler 1910-7-9 1702 Siskiyou pond, Shackleford Creek 1219 Comment
  HSC30615  Tolmiea diplomenziesii Frederick W. Oettinger 1969-8-9 1320 Siskiyou Along main North Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  CAS-BOT-BC447625  Tolmiea menziesii Ira L. Wiggins 1955-7-23 13475 Siskiyou Banks of China Creek 1097 Comment
  HSC36819  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC377157  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  RSA625170  Trautvetteria caroliniensis var. occidentalis Louis C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC38753  Triantha occidentalis subsp. occidentalis A. M. Montalvo, J. D. Ackerman 1975-7-18 579 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River Comment
  UC1258455  Trientalis latifolia Maralyn A. Renner 1980-6-24 1039 Siskiyou Tributary stream to East Fork Seiad Creek, where crossed by F.S. Road. 48N20 East Fork Seiad Creek; Klamath National Forest, East Fork Seiad Creek 1021 Comment
  UC22507  Trientalis latifolia Milo S. Baker 1893-6 Siskiyou 6 m below Bartles (McCloud River); McCloud River Comment
  POM28036  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 918 Siskiyou Goosenest Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC219041  Trifolium howellii Doris K. Kildale 1929-8-24 9081 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  HSC2319  Trifolium howellii Geo. D. Butler 1910-7-8 1689 Siskiyou Shackleford Creek 1220 Comment
  UC163857  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka Comment
Read comments
Nov 25 2011
  CHSC63511  Trifolium longipes subsp. elmeri Vernon H. Oswald; Lowell Ahart 1994-8-1 6423 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  UC164161  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Dry hill Yreka 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
  JEPS66081  Trifolium wormskioldii W. L. Jepson July 1894 13650 Siskiyou Sisson Comment
  JEPS74422  Trifolium wormskioldii W. J. Ferlatte 1966-8-2 228 Siskiyou Big Flat hillside Trinity Alps (betw campground and Sout Fork Salmon River) Comment
  JEPS75658  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  POM20470  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou Yreka. Comment
  RSA211093  Trifolium wormskioldii William J. Ferlatte 1966-8-2 228 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  CAS-BOT-BC520839  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  HSC32295  Trillium ovatum J. O. Sawyer 1971-6-29 2397 Siskiyou Elk Hole 1524 Comment
  CHSC95119  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8744 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  HSC76925  Trillium ovatum subsp. oettingeri William J. Ferlatte 1983-6-29 2102 Siskiyou Near confluence of Cow Creek and McCloud River, E of Rd. 39N93 1220 Comment
  HSC96418  Trillium ovatum subsp. oettingeri Gordon Leppig, J. Kalt 1996-7-9 381 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA234825  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 953 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC200272  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  UC15048  Triteleia crocea Harley P. Chandler June, 1901 1695 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 2133 Comment
  UC1326232  Triteleia crocea var. modesta Theodore F. Niehaus 1966-6-20 711 Siskiyou n-facing slope above Castle Lake Comment
  CAS-BOT-BC522338  Triteleia hyacinthina Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  SEINET200218  Triteleia ixioides subsp. anilina Francia Chisaki, Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek on road to ice cavesnorth of McCloud 1158 Comment
  RSA237586  Tsuga mertensiana Frederick W. Oettinger 1967-8-26 327 Siskiyou Trees off north eastern side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  SD88529  Turritis glabra Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State Line on road to Happy Camp 1645 Comment
  CAS-BOT-BC91278  Umbellularia californica Doris K. Kildale 1928-4-2 4408 Siskiyou Klamath River at Somes Bar. Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  CAS-BOT-BC199194  Vaccinium cespitosum Wm. Bridge Cooke 1938-7-21 11302 Siskiyou Panther Creek Comment
  CHSC69749  Vaccinium cespitosum Loren Gehrung 1996-9-20 109 Siskiyou Jackson Lake. 1 airmile south of Russian Wilderness Area. 1901 Comment
  HSC761  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin 1982 Comment
  UC1190117  Vaccinium cespitosum Ira L. Wiggins 1955-7-27 13542 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  CAS-BOT-BC199479  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8725 Siskiyou Trail from Elk Lick to Raspberry Lake, Indian Creek 1828 Comment
  HSC7926  Vaccinium parvifolium Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail Comment
  CAS-BOT-BC199483  Vaccinium scoparium Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lake, Salmon Alps Comment
  CAS-BOT-BC199487  Vaccinium scoparium Wm. Bridge Cooke 1940-6-6 15033 Siskiyou Along the Castle Lake road Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  UC28816  Valeriana californica Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  POM128296  Valeriana capitata subsp. californica M. S. Baker 1898-8-1 480 Siskiyou Medicine Lake. Comment
  SD219128  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1935 Comment
  UCD137622  Valeriana sitchensis Alfred H. Murphy 1961-7-19 61 E Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 Comment
  POM67761  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek. 1220 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
  HSC27688  Vancouveria planipetala Carl W. Mize 1972-6-10 47 Siskiyou 100 yds. above Steinacher Creek 305 Comment
  CAS-BOT-BC529106  Veratrum californicum Doris K. Kildale 1928-8-19 6501 Siskiyou English Lake, head of north Fork of Salmon River 1828 Comment
  RSA69511  Veratrum californicum Frank W. Peirson 1923-7-20 3674 Siskiyou Just north of Sisson Comment
  CAS-BOT-BC135747  Veratrum insolitum Ira L. Wiggins 1955-7-24 13484 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1280 Comment
  HSC86427  Veratrum viride D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  UC1409323  Veratrum viride Frederick W. Oettinger 1969-8-1 346 Siskiyou s side Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  JEPS62213  Veratrum viride Geo. D. Butler 1908-8-9 535 Siskiyou Salmon Mts., M. M. Camp Comment
  CAS-BOT-BC527061  Veratrum viride var. eschscholzianum Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  POM211274  Verbascum blattaria Louis C. Wheeler 1934-10-24 3347 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mtns. 671 Comment
  POM128338  Veronica alpina var. alterniflora M. S. Baker 1898-8-1 489 Siskiyou Medicine Lake. Comment
  JEPS25767  Veronica americana Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7467 Siskiyou at edge of Twin Valley Meadows Twin Valley Meadows; Siskiyou Mountains, Twin Valley Meadows 1524 Comment
  UCR70829  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2781 Siskiyou Under and east of bridge across Shasta River, about 5 mi north of Yreka on Old U.S. Hwy 99 732 Comment
  RSA517033  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2781 Siskiyou Under and east of bridge across Shasta River, ca 5 mi N of Yreka on old US Hwy 99. 732 Comment
  RSA29915  Veronica triphyllos Louis C. Wheeler 1935-4-18 3433 Siskiyou Yreka. 823 Comment
  UCD124785  Veronica triphyllos Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 914 Comment
  SBBG15608  Vicia americana subsp. americana D. Myrick 1961-6-20 282 Siskiyou meadow at Bear Springs, S slope of Mt Shasta 1676 Comment
  JEPS121726  Vicia americana subsp. americana Julie Kierstead Nelson with Jordan Rainbow 2014-5-21 2011 -020 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. Comment
  HSC15245  Vicia americana var. americana D. M. Thomson 1965-6-19 94 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC81748  Vicia americana var. americana Thomas W. Nelson, Jane P. Nelson 1980-7-19 6194 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  UC796573  Vicia villosa subsp. villosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11722 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  CAS-BOT-BC270231  Viola adunca D. E. Breedlove 1962-6-11 3369 Siskiyou Along State Highway 89, 17.6 miles E of McCloud, Cascade Mountains 1219 Comment
  HSC4487  Viola adunca William J. Ferlatte 1967-6-30 588 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC49914  Viola glabella Maralyn O'Meara 1973-6-5 193 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC69716  Viola glabella Maralyn A. Renner 1980-7-15 1767 Siskiyou English Lake inlet 1780 Comment
  CAS-BOT-BC536517  Viola glabella Gilbert Muth 1966-7-8 353 Siskiyou Marble Valley, Marble Mtns. 1792 Comment
  CAS-BOT-BC536914  Viola glabella Doris K. Kildale 1929-4-27 7487 Siskiyou Cecilville Comment
  CAS-BOT-BC536926  Viola glabella Mrs. H. P. Bracelin 1936-5-11 836