Search Results — 2000 specimen records retrieved (1388 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1409510  Abies Frederick W. Oettinger 1969-8-25 1547 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2048 Comment
  HSC4975  Abies X shastensis J. O. Sawyer 1968-6-18 175 Siskiyou Above S Russian Creek on W side. 1463 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
  JEPS82417  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Mt. 1792 Comment
  RSA593944  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  UC915714  Abies magnifica W. L. Jepson July, 1907 Siskiyou trail from Shackelford Canyon to Cudahay Valley (on side of mt.); Marble Mountain, Whiskey Camp Comment
  RSA0091811  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11330 Siskiyou Along road to castle Lake, ca. 7 mi. s.w. of Mt. Shasta. 2073 Comment
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  UC138080  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UC1045246  Acer glabrum var. glabrum W. Bridge Cooke 1940-7-12 15348 Siskiyou near lower end of the Sisson Southern Trail springs Mount Shasta, Sisson Southern Trail springs Comment
  CAS-BOT-BC332782  Acer macrophyllum Carl B. Wolf 1927-8-26 1037 Siskiyou On the Klamath River, 4 mi N of Gottville Comment
  POM87431  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shakleford Creek Comment
  UC1045289  Acer macrophyllum W. Bridge Cooke 1940-7-12 15306 Siskiyou near Mount Shasta City (near the Box Canyon of the Sacramento); Box Canyon of the Sacramento, near Mount Shasta City 914 Comment
  SEINET10692762  Acer negundo var. californicum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 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. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  HSC160  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Big Flat, near public campground 1524 Comment
  JEPS82499  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou top of Marble Mountain Lookout; Marble Mtn. Wilderness Area 1975 Comment
  CAS-BOT-BC18874  Achillea millefolium Elmer I. Applegate 1935-6-6 9353 Siskiyou Near and south of Indian Well, Lava Beds National Monument Comment
  RSA183724  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou On top of Marble Mt. Lookout, Marble Mts. Comment
  RSA237216  Achillea millefolium var. occidentalis Frederick W. Oettinger 1969-7-29 1094 Siskiyou On bedrock ridge above Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1483563  Achnatherum lemmonii Maralyn A. Renner 1980-6-26 1148 Siskiyou Flint Valley Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
Read comments
Jun 8 2012
  CAS-BOT-BC216919  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  CAS-BOT-BC210862  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-29 10949 Siskiyou Medicine Lake Comment
  UC822000  Achnatherum occidentale subsp. occidentale A. A. Heller 1916-6-22 12427 Siskiyou near Black Butte (n of Sisson) 1097 Comment
  JEPS107475  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12018 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 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
  UCD51424  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy. 97, 12 miles northeast of Weed. Comment
  UC61081  Aconitum columbianum W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mt. Shasta, McCloud R., The Bend Comment
  UC61662  Aconitum columbianum Geo. B. Grant September 1902 5262 Siskiyou Shasta Springs Mt. Shasta, Shasta Springs 609 Comment
  CAS-BOT-BC391509  Aconitum columbianum subsp. columbianum John Thomas Howell 1939-8-5 15074 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC64353  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-17 4453 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC78224  Aconitum columbianum subsp. columbianum L. P. Janeway 1983-8-26 594 Siskiyou Poker Flat, wet upper part of lower portion of meadow 1524 Comment
  RSA183668  Aconitum columbianum var. columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC412907  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CHSC99992  Aconogonon davisiae L. P. Janeway 2008-7-26 9504 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  HSC61847  Aconogonon davisiae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC98375  Aconogonon davisiae J. O. Sawyer 1968-7-22 555 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  CAS-BOT-BC391702  Actaea rubra John Thomas Howell 1939-8-3 14957 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC29317  Adenocaulon bicolor L. E. Smith 1914-6-24 717 Siskiyou Sisson Comment
  CAS-BOT-BC29323  Adenocaulon bicolor Edward Lee 1934-8-13 1091 Siskiyou Watershed of west branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  JEPS33919  Adenocaulon bicolor George D. Butler 1908-7-20 339 Siskiyou Humbug Creek Comment
  UC88424  Adenocaulon bicolor Dr. E. B. Copeland 1903-9-5 3925 Siskiyou at foot of mountain Mt. Eddy; Pacific Coast, Mt. Eddy 1188 Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  UC336685  Adiantum aleuticum unknown July 1881 Siskiyou near Shasta Comment
  UC399476  Adiantum aleuticum Geo. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  RSA237840  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CHSC69080  Agastache parvifolia Vernon Oswald; Lowell Ahart 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  HSC49956  Agastache parvifolia G. L. Clifton, Ground 1978-6-19 1310 Siskiyou Near Bray, close to the town of Macdoel 1403 Comment
  UC1408771  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou due nww English Lake outlet (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1805 Comment
  UC160398  Ageratina occidentalis I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  CAS-BOT-BC15481  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-11 10506 A Siskiyou Slopes above Medicine Lake, Shasta National Forest Comment
  UCD77307  Agoseris aurantiaca var. aurantiaca Robert E. Preston 2002-7-12 1906 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1712 Comment
  HSC2258  Agoseris glauca var. glauca Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills; elev. 5000 ft 1524 Comment
  SEINET6709771 Image available Agoseris glauca var. glauca G. D. Butler 1910-6-19 1589 Siskiyou Darry Land, Goosenest Foothills 1524 Comment
  HSC46195  Agoseris heterophylla Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CAS-BOT-BC13471  Agoseris retrorsa L. E. Smith 1913-5-27 287 Siskiyou Weed Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  JEPS80662  Agrostis alba W. B. and V. G. Cooke 1977-9-20 54806 Siskiyou along dry spring creek Mt. Shasta, Little Bear Springs Comment
  CAS-BOT-BC126979  Agrostis exarata Wm. Bridge Cooke 1938-7-29 11410 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  CAS-BOT-BC126995  Agrostis exarata Louis C. Wheeler 1934-7-2 2843 Siskiyou Siskiyou Mountains. Little Smoky Creek, Sterling Mountain. 1280 Comment
  CAS-BOT-BC126996  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  UCD35429  Agrostis exarata Beecher Crampton 1956-8-21 3818 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD52131  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 1/2 mile northeast Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  HSC65332  Agrostis gigantea J. P. Smith, J. O. Sawyer 1973-8-15 7329 Siskiyou N of Angel Lake 2012 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC76656  Agrostis idahoensis K. T. Stillman 1976-7-23 295 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC138934  Agrostis pallens Annie M. Alexander; Louise Kellogg 1949-7-20 5818 Siskiyou Marble Mountains. Paradise Lake. 1920 Comment
  HSC39913  Agrostis pallens J. P. Smith, Steve Selva 1970-7-16 4391 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCD37084  Agrostis pallens Beecher Crampton 1956-8-21 3827 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  SEINET7594405 Image available Agrostis stolonifera Frederick W. Oettinger 1969-1 1527 Siskiyou Upper English Lake, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1798 Comment
  HSC30450  Agrostis thurberiana Frederick W. Oettinger, R. F. Thorne 1969-8-6 1243 Siskiyou Marble Mtn. Wilderness Area, Pine Lake 1883 Comment
  HSC30451  Agrostis thurberiana Frederick W. Oettinger 1969-8-19 1457 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  UC201705  Alisma plantago-aquatica Geo. D. Butler 1910-8-21 1854 Siskiyou Shasta River Comment
  UC1037382  Alisma plantago-aquatica Douglas Barbe 1955-7-5 108 Siskiyou e limit Greenview (on road to Fort Jones, s side of road); Klamath Mountains, Greenview 883 Comment
  POM109874  Allium acuminatum Geo D. Butler s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC462372  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SEINET3883771  Allium amplectens D. E. Bright 1961-6-15 190 Siskiyou 5 miles west of Bray, California.; 0 Comment
  UC1560907  Allium bolanderi Hannah C. Aase 1940-7-6 Siskiyou 2.5 mi w Hilt Comment
Read comments
Jun 18 2011
  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
  HSC58904  Allium falcifolium Marvin Butler 1971-7-5 5 Siskiyou Near El Capitan Lake 1738 Comment
  JEPS47600  Allium falcifolium W. L. Jepson 1902-7-17 2069 Siskiyou Devil's Backbone, on boundary between Humboldt and Trinity County Devil's Backbone 1828 Comment
  UC1076030  Allium falcifolium Herbert L. Mason 1947-5-17 14764 Siskiyou on Scott Mountain road 5 mi s Callahan Comment
  CAS-BOT-BC469233  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mountain, North Coast Ranges 1645 Comment
  HSC82586  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-5-26 4715 Siskiyou Along SR 3 N of Scott Mtn. Summit at junction with USFS Rd. 40N03 1524 Comment
  POM110166  Allium falcifolium Geo D. Butler 1908-8-6 110 Siskiyou Marble Mountain. 2134 Comment
  JEPS47605  Allium siskiyouense Geo. D. Butler 1909-5-3 791 Siskiyou Yreka hills Yreka Comment
  HSC22395  Allium validum J. O. Sawyer 1969-7-9 1063 Siskiyou NE shore of Little Duck Lake 2043 Comment
  UCD141859  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  UCD77315  Allium validum Robert E. Preston 2001-8-26 1758 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1877 Comment
  HSC78219  Allium validum L. P. Janeway 1983-8-6 512 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  RSA237880  Allium validum Frederick W. Oettinger 1968-8-1 343 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC72612  Allotropa virgata Gail Newton 1980-6-20 543 Siskiyou Near Bald Mtn. 1326 Comment
  HSC48724  Allotropa virgata J. Pageau, E. Toth 1979-6-5 495 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14, Bulk Collection 173 799 Comment
  CAS-BOT-BC171419  Alnus incana subsp. tenuifolia H. A. Thomas; J. H. Thomas 1954-7-24 4505 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC169638  Alnus rhombifolia L. E. Smith 1914-5-21 705 Siskiyou Weed Comment
  CAS-BOT-BC169640  Alnus rhombifolia Lewis S. Rose 1945-6-22 45182 Siskiyou Beaver Creek & Klamath River 548 Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  UC1045286  Alnus rhombifolia W. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to Box Canyon of the Sacramento (near Mt. Shasta City) Comment
  HSC29280  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC4968  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-25 344 Siskiyou Along Horse Range Creek 1646 Comment
  CAS-BOT-BC138103  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  SEINET7073536  Alyssum alyssoides A. G. Vestal 1963-6-1 s.n. Siskiyou Grassy slope with oak. About 4.6 miles southeast of Hornbrook on the Hornbrook - Ager Road. UTM Zone 10, 542900mN, 4366613mN. Coordinate datum: NAD27. Comment
  HSC27226  Amaranthus powellii J. P. Smith, J. O. Sawyer 1971-9-18 4801 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC86362  Amelanchier alnifolia J. O. Sawyer 1983-7-7 4233 Siskiyou Top of Medicine Mtn. 2085 Comment
  CAS-BOT-BC136716  Amelanchier alnifolia var. pumila Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  RSA756942  Amelanchier alnifolia var. pumila Robert F. Thorne 1969-8-2 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  NY418532  Amelanchier gracilis A. A. Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC18534  Amelanchier pallida R. C. Wunner 1965-8-21 465 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  HSC29351  Amelanchier pallida Frederick W. Oettinger 1968-8-2 361 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  RSA60668  Amelanchier pallida I. L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  SEINET10628528 Image available Amelanchier pallida A. Arthur Heller 1905-6-5 Heller 7979 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC136892  Amelanchier utahensis Wm. Bridge Cooke 1938-8-5 11434 Siskiyou [MacBride Spring] McBride Springs Road Comment
  CAS-BOT-BC136903  Amelanchier utahensis L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  CHSC69085  Amelanchier utahensis Vernon Oswald; Lowell Ahart 1997-7-28 8793 Siskiyou Southeast of Medicine Lake at Paynes Springs. Paynes Creek Canyon north of the campground. 1981 Comment
  CHSC96025  Amelanchier utahensis L. P. Janeway 2006-7-4 8799 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC63987  Amsinckia intermedia J. P. Smith 1973-5-5 6533 Siskiyou Scott Bar along the Scott River Comment
  RSA696901  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  CHSC96098  Anemone deltoidea L. P. Janeway 2006-7-3 8758 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  UCSB24735  Anemone deltoidea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA120810  Anemone deltoidea G. D. Barbe 1957-7-13 388 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  UCD95451  Anemone deltoidea Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou Along Canyon Creek, east of Marble Mountain, Marble Mountains. 1584 Comment
  CAS-BOT-BC391856  Anemone drummondii A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  UC1094391  Anemone drummondii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5952 Siskiyou ca. 6 mi. due s. Mt. Eddy (slope above s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  UC165301  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mt. 1676 Comment
  CAS-BOT-BC391861  Anemone drummondii C. L. Hitchcock; J. S. Martin 1939-7-9 5315 Siskiyou North side of Black Mt. near Marble Mt. 2072 Comment
  HSC77077  Anemone multifida var. multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS40860  Anemone occidentalis Paul C. Hutchison 1962-8-2 943 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta 2895 Comment
  RSA625525  Anemone occidentalis Louis C. Wheeler 1963-8-25 8273 Siskiyou South slope, Preston Peak: South summit. 2134 Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  POM365638  Anemone occidentalis M. B. Dunkle 1945-1 9231 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CHSC91352  Anemopsis californica Lowell Ahart; John Dittes 2005-6-9 12024 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC630390  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  UC630391  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  JEPS19764  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  HSC27715  Anisocarpus madioides Carl W. Mize 1972-6-8 15 Siskiyou NW slope 343 Comment
  JEPS33953  Antennaria argentea George D. Butler 1908-6-29 334 Siskiyou Oro Fino Comment
  UC127735  Antennaria argentea Harley P. Chandler 1901-6-1 1714 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  POM211801  Antennaria argentea L. C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
  SEINET2040128  Antennaria argentea Roxanna S. Ferris, Lorraine, Laura 1948-6-12 11724 Siskiyou French Creek Logging Road, west of Callahan, altitude 1070 Comment
  JEPS13177  Antennaria geyeri W. L. Jepson 1894-1 Siskiyou Sisson Comment
  POM253189  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  JEPS125860  Antennaria racemosa Dean W. Taylor 1996-6-26 15748 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley Comment
  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
  SEINET10474093  Antennaria rosea Mary Susan Taylor 1980-7-8 Taylor 3098 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  CAS-BOT-BC84759  Antennaria rosea subsp. rosea John Thomas Howell 1939-8-8 15183 Siskiyou Black Mts., Marble Mts. Comment
  RSA240060  Antennaria umbrinella Frederick W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC102226  Anthemis cotula Alice Eastwood 1912-7-22 1309 Siskiyou Sisson Comment
  CAS-BOT-BC102275  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  HSC26736  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 2019 Siskiyou NW facing slope above Duck Lake Creek. 1616 Comment
  JEPS24019  Apocynum androsaemifolium Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6880 Siskiyou 16 mi above and nw Happy Camp (Happy Camp - Takilma road, in drainage of Indian Creek); Siskiyou Mts., drainage of Indian Creek 1097 Comment
  RSA211337  Apocynum androsaemifolium subsp. pumilum William J. Ferlatte 1966-8-18 408 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA68918  Apocynum androsaemifolium subsp. pumilum A. E. Culbertson 1943-8-1 40 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  RSA366903  Aquilegia formosa Bonnie C. Templeton 1960-6-21 8541 Siskiyou Near summit of Scott Mt. Comment
  UC618885  Aquilegia formosa W. B. C. 1938-7-29 11424 Siskiyou Bear Springs Mount Shasta 1737 Comment
  UCD77343  Aquilegia formosa Robert E. Preston 2001-6-23 1601 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  POM95067A  Arabis breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  HSC22440  Arabis divaricarpa J. O. Sawyer 1969-7-16 1122 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  RSA0126136  Arabis divaricarpa var. interposita Frederick W. Oettinger 1969-7-15 1030 Siskiyou South of Bear Meadows, below Tom Taylor Cabin - English Peak Trail; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  HSC22437  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-2 1013 Siskiyou Slope above Big Blue Lake 2256 Comment
  CAS-BOT-BC16715  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2911 Siskiyou Klamath-Siskiyou Region. Scott River 2 miles northwest of Scott Bar. 487 Comment
  HSC49944  Arabis modesta G. L. Clifton, Walter Overton 1979-5-28 3453 Siskiyou Near Klamath River, close to the town of Seiad Valley 488 Comment
  RSA0128944  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  RSA0128992  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC76885  Arabis puberula K. T. Stillman 1976-6-27 145 Siskiyou Marble Mtn. Wilderness Area 2073 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
  POM354174  Arceuthobium abietinum Louis C. Wheeler 1934-6-18 2723 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1463 Comment
  CAS-BOT-BC24161  Arctostaphylos Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Brushy, sunny, rocky W slope. Comment
  SEINET11996228  Arctostaphylos klamathensis F. T. Callahan 1982-1 6045 Siskiyou intersection of main rd into wilderness area & spur rd ca 1.5 mi W of Scott Mt Campground 1829 Comment
  CAS-BOT-BC40021  Arctostaphylos nevadensis Doris K. Kildale 1928-8-19 6570 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC76972  Arctostaphylos nevadensis K. T. Stillman 1976-6-25 46 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS86119  Arctostaphylos nevadensis Wayne Roderick 1966-6-26 Siskiyou just e Pass; Cook and Green Pass area 1371 Comment
  UC1190121  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC46464  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Hwy. 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  HSC745  Arctostaphylos patula William J. Ferlatte 1967-6-5 492 Siskiyou Big Flat, near public camp 1524 Comment
  HSC83429  Arctostaphylos patula Dave Read 1975-5-26 40 Siskiyou 1 mi. S of Box Canyon Dam on Castle Lake Rd. 1067 Comment
  POM77135  Arctostaphylos patula Geo D. Butler 794 Siskiyou Dry hills near Yreka. Comment
  UC1034044  Arctostaphylos patula W. Bridge Cooke 1941-8-21 16220 Siskiyou w side Shastina (n side of canyon); Mt. Shasta, Diller Canyon 2438 Comment
  SEINET11988211  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou W of town of Gazelle near Gazelle summit 914 Comment
  HSC68579  Arctostaphylos viscida Maralyn A. Renner 1980-6-23 695 Siskiyou Ridge S of Pacific Crest Trail 1463 Comment
  RSA782327  Arctostaphylos viscida subsp. pulchella R. W. Spjut, Paul Burchstead 2008-6-12 16342 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  RSA138229  Arctostaphylos viscida subsp. viscida P. C. Everett, E. K. Balls, George B. Everett 1959-10-24 23944 Siskiyou 6.1 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. 488 Comment
  JEPS81883  Arenaria congesta var. congesta Roger Raiche 1982-7-7 20567 Siskiyou Condrey Mt. 2164 Comment
  RSA183738  Arenaria congesta var. suffrutescens Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Blk. Mt. Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  RSA34970  Arnica chamissonis subsp. foliosa Roxana S. Ferris, Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on US Hwy 97 1555 Comment
  HSC22129  Arnica cordifolia J. O. Sawyer 1969-7-9 1236 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  HSC46314  Arnica discoidea J. P. Smith, Steve Selva 1970-7-15 4370 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC62592  Arnica discoidea Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC60833  Arnica discoidea Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Young's Valley; 1 mile south of Bell Echo 1372 Comment
  UC1409500  Arnica discoidea F. W. Oettinger 1969-8-9 1323 Siskiyou along, (between Fivemile Stockgate & Abbott's Upper Cabin, main trail) North Fork Trail; Salmon Mts. 1097 Comment
  UC1540193  Arnica lanceolata subsp. prima Dean W. Taylor 1987-6-26 9062 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  CAS-BOT-BC82661  Arnica latifolia Doris K. Kildale 1928-8-19 6549 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  RSA718800  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. 1561 Comment
  SJSU6541  Arnica latifolia R. W. Trivelpiece 1973-6-28 155 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan, southwestern Siskiyou County 2042 Comment
  CAS-BOT-BC82659  Arnica latifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5233 Siskiyou on road to Bolan Lake, 5 mi. from cut-off at junction with Takilma-Happy Camp road 1767 Comment
  HSC22156  Arnica latifolia J. O. Sawyer 1969-7-2 1035 Siskiyou Near summit above Lipstick Lake 2226 Comment
  JEPS95049  Arnica longifolia Vernon Oswald and Lowell Ahart 1997-7-28 8790 Siskiyou se of Medicine Lake (at Paynes Springs, on the walls of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  CAS-BOT-BC465595  Arnica mollis Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2197 Comment
  HSC92873  Arnica mollis Jennifer Whipple 1977-8-6 2235 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA238811  Arnica nevadensis Frederick W. Oettinger 1969-8-6 1221 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC90085  Arnica viscosa Morton D'Evelyn 1931-8-12 s.n. Siskiyou Near Wagon Camp, Mt. Shasta 1524 Comment
  CAS-BOT-BC90133  Artemisia biennis R. Pederson; G. Pederson 1979-9-26 113 Siskiyou Lower Klamath National Wildlife Refuge 1237 Comment
  RSA186317  Artemisia campestris subsp. borealis Gilbert Muth 1966-7-22 186317 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  CAS-BOT-BC90483  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  UC60985  Artemisia douglasiana Geo. B. Grant 1902-9-1 5206 Siskiyou Mount Shasta 609 Comment
  CAS-BOT-BC93889  Artemisia dracunculus Geo. D. Butler 1910-9-16 1874 Siskiyou Yreka Flat Comment
  JEPS37045  Artemisia dracunculus Geo. D. Butler 1909-9-20 953 Siskiyou near Yreka (along creek) Comment
  CAS-BOT-BC90743  Artemisia ludoviciana subsp. incompta John Thomas Howell 1939-8-8 15186 Siskiyou Black Mt., Marble Mt. Comment
  HSC2270  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  JEPS45627  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon below Log Lake; Shackleford Creek 1463 Comment
  CAS-BOT-BC447716  Aruncus dioicus var. vulgaris Doris K. Kildale 1928-8-18 6425 Siskiyou North Fork Salmon River at Finley Camp Comment
  CAS-BOT-BC400596  Asarum caudatum W. R. Dudley 1901-8-22 s.n. Siskiyou E. slope of Foxtail Ridge, Salmon Mountains Comment
  RSA416094  Asarum caudatum M. B. Dunkle 1945-1 s.n. Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  RSA416099  Asarum hartwegii Anonymous 1907-1 s.n. Siskiyou Near Dunsmuir Comment
  SEINET10928327  Asclepias cordifolia A. Arthur Heller 1916-6-23 Heller 12420 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, The prevalent undershrubs are Ceanothus and Uva-ursi 1128 Comment
  UC164151  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  CDA15398  Asclepias speciosa G. F. Hrusa 1997-9-18 14109 Siskiyou Shasta Valley. 1 mi. S of Gazelle on Old Hwy. 99. Comment
  SD53385  Asclepias speciosa Darley F. Howe 1962-8-4 3393 Siskiyou Near summit of Baldy Mountain 1735 Comment
  SEINET10950966  Asclepias speciosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  UC164150  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  UCD121379  Asclepias speciosa H. P. Olmo 1931-6-1 s.n. Siskiyou Scott Creek. Comment
  HSC71077  Aspidotis densa M. A. Baker 1980-6-20 2198 Siskiyou Near Bald Mtn. 1036 Comment
  POM210962  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  CAS-BOT-BC69551  Aspidotis densa Louis C. Wheeler 1934-8-13 3112 Siskiyou E. Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1981 Comment
  RSA60664  Aspidotis densa I. L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta Comment
  RSA671867  Aster F. R. Schallert 1953-8-10 16999 Siskiyou near Mt. Shasta Comment
  UCR139080  Aster ledophyllus Jennifer Whipple 1977-8-4 2158 D Siskiyou Klamath Mountains, Wagon Creek drainagee on the E face of Mount Eddy 2226 Comment
  CAS-BOT-BC178811  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou N.E. of Weed 1386 Comment
  HSC99986  Astragalus californicus Thomas W. Nelson 2005-7-16 9377 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  NY658494  Astragalus filipes E. L. Greene 1876-6-14 847 Siskiyou Near Yreka Comment
  HSC43830  Astragalus lentiginosus var. lentiginosus Maralyn O'Meara 1974-5-27 485 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA143714  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou Near Bray. Comment
  CAS-BOT-BC193065  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka Comment
  CAS-BOT-BC193066  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka Comment
  UC54368  Astragalus purshii var. tinctus H. M. Hall and E. B. Babcock June, 1903 4083 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  UC862792  Astragalus whitneyi L. E. Smith 1913-7-2 Siskiyou Rainbow Comment
  RSA237518  Athyrium americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou On the southeast bank of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA692501  Athyrium americanum M. B. Dunkle 1945-7-19 9230 Siskiyou Cliff above Sky High Lake Comment
  HSC58846  Athyrium filix-femina var. cyclosorum Marvin Butler 1971-7-29 229 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Juntion 1403 Comment
  UC1333324  Athyrium filix-femina var. cyclosorum Dorothy Parker 1949-6-30 Siskiyou stream that empties into Etna Creek; Salmon Mts 1176 Comment
  HSC29370  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin Spring 2043 Comment
  HSC27768  Atriplex rosea J. P. Smith, J. O. Sawyer 1972-9-14 5796 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  RSA245302  Atriplex rosea J. P. Smith, J. Sawyer 1972-9-14 5796 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  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
  UC165277  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou Yreka Comment
  RSA59494  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument. 1585 Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  UC165952  Berberis aquifolium var. aquifolium Geo. D. Butler 1910-4-1 1807 Siskiyou Yreka Creek Comment
  UCD95066  Berberis aquifolium var. aquifolium Sandra L. Holloway 1963-5-19 55 Siskiyou 2 miles E of forks of Big Humbug Creek, W of Hawkinsville. 1066 Comment
  CAS-BOT-BC75717  Berberis nervosa J. H. Thomas 1954-5-13 4133 Siskiyou Salmon Mountains. Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC75723  Berberis nervosa Alice Eastwood 1917-9-2 6685 Siskiyou Shasta Springs. Comment
  HSC30650  Berberis nervosa Frederick W. Oettinger 1969-8-25 1551 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  CAS-BOT-BC75925  Berberis piperiana Doris K. Kildale 1929-7-20 8653 Siskiyou Trail up South Fork Indian's Creek to Elk Lick. Comment
  CAS-BOT-BC169397  Betula C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Canyon, near Shovel Creek Comment
  CAS-BOT-BC169474  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy, W of Sisson, on open southeastern gravelly and stony slope 1524 Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  UC166583  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou near Oro Fino Comment
  UCR51790  Bidens cernua L. C. Wheeler 1934-10-21 03337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  HSC64428  Bistorta bistortoides J. P. Smith, Steve Selva 1970-7-17 4478 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC127950  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  UC1112866  Blepharipappus scaber Milo S. Baker 1957-6-16 3125 Siskiyou Scott Mt. 1615 Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC15795  Boechera acutina H. A. Thomas; J. H. Thomas 1954-7-24 4480 Siskiyou Salmon-Trinity Mountains vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 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-BC16149  Boechera covillei R. E. Frenkel 1963-7-13 248 Siskiyou Mount Shasta, vicinity of rain guage below Horse Camp. 2255 Comment
  CAS-BOT-BC14065  Boechera lyallii Gilbert J. Muth 1969-8-6 1228 Siskiyou Boulder Peak Ridge. 2468 Comment
  JEPS101151  Boechera pauciflora Dean W. Taylor 1996-6-19 15711 B Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  SEINET3165707  Boechera pauciflora R. W. Spellenberg 2006-6-19 13746 Siskiyou On the Gazelle-Callahan Road, 3 km NE of junction to village of Callahan, 35 km SW of Gaselle. 1050 Comment
  CAS-BOT-BC14463  Boechera platysperma Alice Eastwood 1921-7-28 10897 Siskiyou Medicine Lake. Comment
  UC1483443  Boechera platysperma J. Sawyer and J. Cole 1980-7-20 3783 Siskiyou s of Grouse Hill (at n base of Badger Peak); Klamath National Forest, Medicine Lake Quad., Badger Peak 2145 Comment
  UCD77345  Boechera puberula Robert E. Preston 2001-7-21 1745 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  CAS-BOT-BC25414  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25433  Boechera retrofracta Gilbert J. Muth 1969-8-6 1253 Siskiyou Boulder Peak Ridge. 2468 Comment
  CAS-BOT-BC25608  Boechera retrofracta Reed Rollins 1940-7-26 15365 Siskiyou Mount Shasta. Along Diller Canyon. 1828 Comment
  JEPS104001  Boechera retrofracta Geo. D. Butler 1908-8-3 128 Siskiyou near Log Lake 1524 Comment
  CHSC30252  Boschniakia strobilacea M. S. Taylor; B. Williams 1980-6-23 2944 Siskiyou N side in the forest of Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC65509  Boykinia major Rich White 1977-7-7 107 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  UC2026462  Boykinia major Louis C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CAS-BOT-BC418419  Boykinia occidentalis Doris K. Kildale 1929-7-20 8547 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  RSA537373  Boykinia occidentalis W. Wisura, J. Romero 1991-10-18 4600 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. 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
  CAS-BOT-BC100471  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Klamath National Forest, Walker 518 Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  SJSU6077  Brickellia grandiflora R. W. Trivelpiece 1971-8-11 67 Siskiyou near Grass Lake, 4.5 mi N of Sheep Rock, eastern Siskiyou County 1905 Comment
  UCD77426  Brickellia grandiflora Robert E. Preston 2001-7-21 1711 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2026 Comment
  CAS-BOT-BC383117  Brickellia greenei Andrew Townesmith; Karen M. Meyer 2007-7-28 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  UCR108347  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mtns, South fork Indian Creek, near Happy Camp 333 Comment
  SEINET10514368  Briza maxima A. Arthur Heller 1905-6-20 Heller 8075 Siskiyou Gazelle. Comment
  UC164282  Brodiaea elegans subsp. elegans Geo. D. Butler 1910-5-29 1421 Siskiyou meadow near Yreka Comment
  UCD58305  Bromus carinatus L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-Eye Lake. Comment
  CAS-BOT-BC149056  Bromus carinatus var. carinatus Clarence R. Quick 1959-6-19 59 -03 Siskiyou 3 miles south of Four Corners on ridge southeast of Seiad Valley. Comment
  UCD58774  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3392 Siskiyou 7 miles N of Weed. Comment
  UC204777  Bromus madritensis subsp. rubens Geo. D. Butler 1910-5-4 1270 Siskiyou near Yreka Comment
  UC144490  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs Comment
  SEINET3923251  Bromus orcuttianus R. E. Frenkel 1963-7-13 227 Siskiyou On Everitt Memorial Hwy. 4.7 miles north of McCloud River RR crossing. Along both sides of road.; 0 1545 Comment
  CAS-BOT-BC185597  Bromus tectorum Ira L. Wiggins 1950-5-27 12356 Siskiyou Callahan. Banks of east fork of Scott River, at Callahan Ranger Station. 975 Comment
  UCD60229  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N of Happy Camp. Comment
  HSC69362  Calamagrostis breweri Maralyn A. Renner 1980-8-19 2506 Siskiyou S side of Caribou Lake 2104 Comment
  SEINET10520765  Calamagrostis canadensis Louis C. Wheeler 1935-7-26 Wheeler 3716 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. T47N R10W S12. Mt. Diablo Mer. 1951 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC91977  Calamagrostis koelerioides Jennifer Whipple 1976-8-20 1717 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2470 Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC61966  Callitropsis nootkatensis Al Hobart 1961-7-20 Siskiyou Preston Peak 2134 Comment
  HSC65345  Callitropsis nootkatensis Rich White 1978-7-18 257 Siskiyou Steep headwall at shoulder of NW ridge of Preston Peak 1905 Comment
  CHSC9501  Calochortus coeruleus J. F. Goodwin 1971-7-3 147 Siskiyou Southeast of Castle Lake, 0.1 mi south on Lookout Trail on east side of trail; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  CHSC96100  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  SEINET12047246  Calochortus longebarbatus E. F. Heinitz 1980-1 27 Siskiyou at Tom Young Flat ca 2 mi NW of Pondosa 1292 Comment
  HSC15364  Calochortus macrocarpus R. C. Wunner 1965-7-20 401 Siskiyou Lava Beds National Monument, Indian Wells near N prefab 1433 Comment
  CAS-BOT-BC493095  Calochortus nudus Frank Callahan 2007-7-5 s.n. Siskiyou Methodist Camp meadows above or west of Scott Camp Creek 1482 Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  UC1037377  Caltha biflora Douglas Barbe 1955-7-6 124 Siskiyou Klamath Mountains. Boggy area at southeast shore of Taylor Lake; Salmon Mountains. 1950 Comment
  RSA0120951  Caltha biflora Frederick W. Oettinger 1968-8-3 379 Siskiyou Base of camp meadows, Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC181517  Caltha leptosepala Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC134365  Calycadenia truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  SEINET7379699 Image available Calycadenia truncata L. C. Wheeler 1934-6-26 2787 Siskiyou Klamath River, Siskiyou Mountains 762 Comment
  UC1971695  Calycadenia truncata 1974-9-12 2160 Siskiyou 0.4 mi E of Somesbar on Salmon River Road 195 Comment
  UCR51762  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  POM55529  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  CDA39905  Calystegia occidentalis subsp. occidentalis G. C. Fleischman 1946-7-26 s.n. Siskiyou Vicinity of Mt. Shasta. 0 Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 Comment
  SEINET3992092  Camassia quamash Unknown 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC37004  Camelina microcarpa R. E. Frenkel 1963-7-15 259 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RailRoad crossing near Mount Shasta. 1290 Comment
  HSC64821  Camelina microcarpa J. P. Smith 1976-5-4 8662 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  CAS-BOT-BC160905  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3893 Siskiyou West side of Medicine Lake Comment
  SEINET10840322  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou Near Kuntz Creek, on the Seiad Valley Quadrangle; close to the town of Seiad Valley 1829 Comment
  SEINET10840344  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou NR KUNTZ CR, SEIAD V. QUAD, NR SEIAD VALLEY 6001', FOREST FLOOR, COBBLY SOIL Comment
  UC1037435  Campanula prenanthoides Douglas Barbe 1955-7-28 317 Siskiyou on n slope of mountain 1/4 mi sw Big Carmen Lake; Klamath Mountains, Scott Mountain 1737 Comment
  UC479158  Campanula prenanthoides Marcus E. Jones, A. M. 1931-7-17 29061 Siskiyou Shasta City (Session's) Comment
  SEINET10462923  Campanula prenanthoides Cooke 1940-7-12 COOKE 15307 Siskiyou NR RD IN BOX CNYN OF SACRAMENTO R NR MT SHASTA CITY 3000 Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10972061  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-6-15 Smith, Jr. 3899 Siskiyou OAK BOTTOM CAMPGROUND NR SOMES BAR. T11N R6E SEC. 2 229 Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  SEINET10972072  Campanula scabrella Muth 1978-8-1 MUTH 6957 Siskiyou Near Cory Peak, on the China Mountain quadrangle, close to the town of Callahan 2195 Comment
  UC195255  Campanula scabrella Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt Eddy Comment
  UC1473430  Campanula scabrella Gilbert Jerome Muth 1978-8-3 7403 Siskiyou close to town of Callahan (near China Mountain, China Mt. quadrangle); China Mt. quadrangle 2603 Comment
  RSA264953  Campanula scouleri G. L. Clifton 1975-7-29 5043 Siskiyou Copper Butte. Near Seiad Valley. 1415 Comment
  SEINET10872980  Campanula scouleri Muth 1975-8-1 MUTH s.n. Siskiyou Near Sutcliffe Creek; Preston Peak quadrangle near Happy Camp 1341 Comment
  UC705614  Campanula scouleri Marion Ownbey and Fred G. Meyer 1940-7-8 2226 Siskiyou 18 mi n Happy Camp (stream bank near summit of Siskiyou Mountains) Comment
  RSA233659  Cardamine bellidifolia R. F. Thorne, Frederick W. Oettinger 1969-8-10 39009 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  JEPS53394  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  CHSC66537  Carduus nutans Vernon H. Oswald 1996-7-12 7998 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  CAS-BOT-BC18393  Carex Elmer I. Applegate 1895-5-28 782 Siskiyou Strawberry Valley. Sisson. Comment
  CHSC40136  Carex abrupta L. P. Janeway 1982-8-15 140 Siskiyou On steep ne-facing slope above Echo Lake. 1798 Comment
  SEINET10585933  Carex abrupta Louis C. Wheeler 1935-7-26 Wheeler 3719 Siskiyou Siskiyou Mts. S12, T47N, R10W. Mt Diablo Mer. Jaynes Canyon. Wet sunny meadow. 1951 Comment
  NY25627  Carex amplectens W. B. Cooke 1940-1 15123 Siskiyou Mount Shasta City 1082.0 Comment
  CAS-BOT-BC17961  Carex angustata William Bridge Cooke 1939-7-7 13613 Siskiyou Mount Shasta. In the Wagon Camp Sedge Swamp. 1737 Comment
  HSC39285  Carex angustata J. O. Sawyer 1969-6-12 889 Siskiyou Sugar Creek 1515 Comment
  UCD77479  Carex athrostachya Robert E. Preston 2001-6-30 1656 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  UCD77462  Carex aurea Robert E. Preston 2002-7-12 1915 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  CAS-BOT-BC19402  Carex bolanderi J. W. Stacey 1940-8-8 15422 Siskiyou Mount Shasta. Along the cascade below the big Squaw Valley Creek Spring. 1463 Comment
  CHSC40139  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt rd ca 1/2 mi n of West Branch USFS Sta. 670 Comment
  CAS-BOT-BC34156  Carex breweri Peter Kamb 1949-8-25 1497 Siskiyou Southwest slope of Mt. Shasta, above Horse Camp. 3169 Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  HSC82004  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4848 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  SEINET8355497  Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River NF: low on the New London, between the first and second acute corners, near the trailhead, between Rd 1050 and the creek. Comment
  UC1950436  Carex echinata subsp. echinata Barbara Ertter 1990-7-14 9351 Siskiyou just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City; E- facing hillside Comment
  CAS-BOT-BC20132  Carex feta George Dexter Butler 1909-6-13 807 Siskiyou Oro Fino. Comment
  UC55223  Carex feta H. M. Hall and E. B. Babcock June, 1903 4061 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CAS-BOT-BC20747  Carex fracta William Bridge Cooke 1938-6-24 11085 Siskiyou Mt. Shasta. 1524 Comment
  HSC48100  Carex fracta D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19537 Siskiyou Along Hwy. 96 about 8 mi. W of junction with I-5 Comment
  JEPS84060  Carex gigas L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6377 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CHSC40195  Carex hoodii L. P. Janeway 1983-8-6 496 Siskiyou At Poker Flat. 1524 Comment
  SEINET7561745 Image available Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Deadman Peak 7.5' quad. Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  RSA0089764  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
  HSC61817  Carex interior Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC35524  Carex jonesii John Thomas Howell 1937-7-23 13337 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  HSC69338  Carex jonesii John S. Palmer 1980-8-13 784 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  RSA783707  Carex klamathensis Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest: along road 41N03, 1.5 mi from road 2H001. 1591 Comment
  CHSC62595  Carex lenticularis var. lipocarpa L. P. Janeway 1993-8-31 4573 Siskiyou Northeast side of Cliff Lake; headwaters of South Fork Sacramento River. 1758 Comment
  UC1265340  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou at lower meadow, Tom's Lake Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC37422  Carex leptopoda J. O. Sawyer 1968-7-10 493 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  SEINET7566381 Image available Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC39767  Carex mendocinensis J. P. Smith, Steve Selva 1970-7-15 4346 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC76312  Carex mertensii L. P. Janeway 1982-8-15 145 Siskiyou Below Echo Lake 1646 Comment
  HSC60835  Carex microptera Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC593522  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1985 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  HSC76810  Carex multicostata L. P. Janeway 1982-8-13 130 Siskiyou Along trail S from Bear Lake 1890 Comment
  HSC101149  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CHSC40159  Carex nudata L. P. Janeway 1983-7-2 355 Siskiyou Along northwest shore of Klamath River ca 1 mile west of Seiad Creek. 411 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
  CAS-BOT-BC119472  Carex nudata L. P. Janeway 1983-7-30 457 Siskiyou Happy Camp quad. Along N shore Klamath River ca 2.5 mi W of Fort Goff. 396 Comment
  UC1265432  Carex pachycarpa Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC31055  Carex pachycarpa K. T. Stillman 1976-7-14 231 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC119128  Carex phaeocephala William Bridge Cooke 1940-7-26 15386 Siskiyou On west side of Shastina. Mount Shasta. 2743 Comment
  HSC285  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Caribou Basin, Sawtooth ridge W of Big Caribou Lake 2134 Comment
  LA17781  Carex phaeocephala J. W. Stacey; 1940-7-26 15386 Siskiyou Mount Shasta, in the vicinity of Merriam's timberline on the W side of Shastina 2743 Comment
  SBBG125479  Carex praegracilis L. Ahart, J. Dittes 2010-7-30 16953 Siskiyou grassy meadow ca. 30 yards W of the Shasta River, ca. 50 yards W of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam 5.7 mi SE of Grenada 716 Comment
  CAS-BOT-BC118794  Carex preslii William Bridge Cooke 1939-7-13 13666 Siskiyou Above Panther Creek Meadows. 2499 Comment
  RSA238934  Carex preslii Frederick W. Oettinger 1969-9-3 1620 a Siskiyou Shasta Ridge below English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238956  Carex preslii Frederick W. Oettinger 1969-8-19 1465 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 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
  HSC39283  Carex scopulorum J. O. Sawyer 1969-6-13 944 Siskiyou W of Little Duck Lake 2043 Comment
  SEINET7575020 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1968-9-5 710 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble, Mountain Wilderness Area, south end of Diamond 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-BC117258  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC76665  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UC1147787  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  SEINET7575726 Image available Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, north of Tom's Lake. 2012 Comment
  UC196158  Carex stipata var. stipata Geo. D. Butler 1909-6-13 805 Siskiyou Oro Fino Comment
  UC70598  Carex straminiformis Geo. B. Grant September, 1902 5116 Siskiyou Horse Camp Mount Shasta 2438 Comment
  SEINET7576422 Image available Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  CHSC106465  Carex subfusca Peter F. Zika 2009-8-16 24599 Siskiyou Cascade Range Highlands (CaRH). Damp meadows near north end of Juanita Lake, Forest Service Road 46N04. 1550 Comment
  JEPS84065  Carex subfusca L. R. Heckard with J. Hickman et al. 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  CAS-BOT-BC115856  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Cr. 1280 Comment
  HSC86443  Carex vernacula D. K. Imper Jun 1987 Siskiyou 8 mi. E of Mt. Shasta town, Mt. Shasta Wilderness, along Squaw Creek 2134 Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  CHSC40190  Carex vulpinoidea L. P. Janeway 1983-7-30 464 Siskiyou Along n shoreline of Iron Gate Reservoir. 731 Comment
  CHSC592  Cassiope mertensiana V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2438 Comment
  UC1408870  Castilleja applegatei Frederick W. Oettinger 1968-8-22 603 Siskiyou above English Lake trail (on English Lake side of pass to Diamond Lake, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC1540025  Castilleja applegatei M. Mitchell 1936-5-21 26 Siskiyou Fleppe Chimney; Lava Beds National Monument 1478 Comment
  CAS-BOT-BC249374  Castilleja applegatei K. L. Chambers 1967-6-22 2866 Siskiyou Siskiyou Mountains. About 500 ft. above and east of the freeway (Hwy. 5) at Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC241137  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-24 13375 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 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
  JEPS23766  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6785 Siskiyou a little above and e McBride Springs (s slopes of Mt. Shasta); Mt. Shasta 1432 Comment
  JEPS25852  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7484 Siskiyou just below road summit of Cecilville-Callahan road (new at this time) (overlooking headwaters of South Fork of Scott River) 1880 Comment
  JEPS80490  Castilleja applegatei subsp. pinetorum Gilbert Muth 1966-7-17 386 Siskiyou near Lookout; Marble Mt. Wilderness Area 2042 Comment
  JEPS55948  Castilleja applegatei subsp. pinetorum T. I. Chuang and L. R. Heckard 1968-7-3 6448 Siskiyou s of Black Butte Comment
  CAS-BOT-BC243754  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  UC1561055  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave (Medicine Lake highland); Upper Modoc Plateau 1798 Comment
  POM15507  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  RSA237567  Castilleja arachnoidea Frederick W. Oettinger 1967-8-4 270 Siskiyou Trail from English Peak Lookout on southwest ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  CAS-BOT-BC253619  Castilleja miniata Doris K. Kildale 1928-8-18 6480 Siskiyou head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC254013  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CAS-BOT-BC254020  Castilleja miniata Doris K. Kildale 1928-8-20 6637 Siskiyou Head of north fork of Salmon River at Finley's Apple Camp 1524 Comment
  HSC61198  Castilleja miniata subsp. elata Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CDA41399  Castilleja pilosa County Ag. Dept. - Yreka 1959-5-25 s.n. Siskiyou Farm of Clint Jackson, Edgewood. 0 Comment
  CAS-BOT-BC32646  Castilleja pinetorum var. fragilis Copeland 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  HSC72442  Castilleja pruinosa J. P. Smith, Steve Selva 1970-7-15 4363 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  UC1187076  Castilleja pruinosa David D. Keck 1940-6-13 5175 Siskiyou 9 mi s Macdoel (on U.S. Hwy 97, between Dorris and Weed) 1463 Comment
  UC585167  Castilleja pruinosa E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1881 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  POM42908  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC241082  Castilleja schizotricha Annie M. Alexander; Louise Kellogg 1949-7-22 5840 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 2072 Comment
  HSC24865  Castilleja schizotricha R. W. Spjut Aug 1970 1166 Siskiyou Near Box Camp, 2 mi. N of Marble Valley Guard Station on Black Mt. 2043 Comment
  CHSC71330  Castilleja tenuis Vernon H. Oswald; Lowell Ahart 1998-6-11 9207 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC49191  Ceanothus cuneatus Doris K. Kildale 1929-6-25 8370 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  JEPS103784  Ceanothus cuneatus var. cuneatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near South Fork of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  HSC27671  Ceanothus integerrimus Carl W. Mize 1972-6-8 27 Siskiyou Along main trail near Deer Lick Creek 351 Comment
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Feb 21 2013
  RSA399890  Ceanothus integerrimus E. E. Stanford 1930-6-15 1588 Siskiyou 1 mile north of Dunsmuir. Comment
  RSA25704  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  HSC100190  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13410 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  HSC67830  Ceanothus prostratus J. O. Sawyer, J. Cole 1980-7-22 3974 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC98196  Ceanothus prostratus R. C. Wunner 1965-6-7 112 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  JEPS42175  Ceanothus prostratus W. L. Jepson 1940-7-1 20074 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  JEPS82685  Ceanothus pumilus Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow, on South China Mtn.); South China Mtn., above Cabin Meadow, sw of Stewart Springs 2286 Comment
  HSC100195  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-5 13418 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  RSA85995  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC63152  Ceanothus velutinus Alice Eastwood 1921-7-31 11020 Siskiyou Shasta Springs. Comment
  JEPS674  Ceanothus velutinus Willis L. Jepson Jul 24 1894-Aug 10 1894 14865 Siskiyou Sisson Upper Sacramento region Comment
  JEPS89110  Ceanothus velutinus W. L. Jepson 1940-6-23 20018 Siskiyou 1 mi s Andesite (n of Mt. Shasta) 975 Comment
  RSA184762  Ceanothus velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mtns. 1793 Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC276996  Centaurea diffusa R. E. Frenkel 1964-10-2 875 Siskiyou On the south side of Everitt Memorial Highway in a pulloff area near McBride Springs turnoff, near Mount Shasta 1493 Comment
  CDA7262  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou North side of Highway 97 (Weed to MacDoel), west of railroad spur at Grass Lake. 0 Comment
  SEINET10798231  Centaurea solstitialis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6970 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  POM130658  Centaurium muehlenbergii E. B. Copeland 1903-7-14 2513 Siskiyou Klamathon. Comment
  CDA3358  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  UC1777715  Cerastium dichotomum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  UCD20185  Cerastium dichotomum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  UCD98003  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  UC375377  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River, near the mouth Shasta River Comment
  POM88109  Cercocarpus ledifolius Geo. D. Butler 1910-4-10 1166 Siskiyou Yreka. Comment
  HSC90618  Cercocarpus ledifolius var. ledifolius Jennifer Whipple 1976-9-4 1794 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  CAS-BOT-BC148521  Cercocarpus ledifolius var. ledifolius Mrs. Marian Campbell 1916-7-15 s.n. Siskiyou From Moraine Lake to Arroya Comment
  HSC18559  Cercocarpus montanus var. glaber C. B. Wolf 1927-8-26 1032 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC100653  Chaenactis douglasii var. alpina Wm. Bridge Cooke 1938-9-8 11662 Siskiyou Mount Shasta, near Squaw Creek Meadows 2590 Comment
  CAS-BOT-BC106032  Chaenactis suffrutescens Lester Rowntree 1937-8-5 s.n. Siskiyou Etna Mills & Fort Jones Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  UC128643  Chaenactis suffrutescens Harley P. Chandler 1731 Siskiyou Etna Mills North Coast Ranges 914 Comment
  HSC1190  Chamaecyparis lawsoniana W. R. Oxner 1966-4-5 130 Siskiyou Mt. Shasta 1037 Comment
  RSA697385  Chamaecyparis lawsoniana Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. 915 Comment
  RSA314999  Chamaecyparis nootkatensis Stephen Edwards 1983-7-11 SWE- 83 -21 Siskiyou Klamath National Forest, south end of Buck Lake 1311 Comment
  JEPS52331  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 71 Siskiyou near Yreka; McNulty Ranch Comment
  UC1034062  Chamaesyce serpyllifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou along Memorial Hwy; Mount Shasta 1371 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  CAS-BOT-BC70224  Cheilanthes gracillima Alice Eastwood 1912-9-1 2061 Siskiyou Mount Shasta Comment
  UC371155  Cheilanthes gracillima G. D. Butler 1908-8-5 237 Siskiyou Wooly Creek below Cold Spring Comment
  CAS-BOT-BC68238  Cheilanthes gracillima Robert T. Clausen; Harold Trapido 1940-7-26 4953 Siskiyou Sacramento River Basin - Mt. Shasta - east side of canyon on Mud Creek 1584 Comment
  UCSB51233  Cheilanthes gracillima Almanza, Ed 1976-7-14 Siskiyou Castle Crags, Trinity Mountains 2438 Comment
  UCR143039  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  UC851002  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA233695  Chenopodium botrys R. F. Thorne, Frederick W. Oettinger 1969-8-10 38949 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  JEPS59720  Chenopodium foliosum Willis L. Jepson 1894-8-1 14861 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  HSC61509  Chimaphila menziesii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC585193  Chimaphila menziesii E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1992 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  UC876095  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  CAS-BOT-BC451441  Chimaphila menziesii L. B. Kildale 1930-6-1 9782 Siskiyou Black Bear Trail to Sawyer Bar 609 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  RSA758592  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  CAS-BOT-BC30101  Chrysolepis L. B. Kildale 1930-6-1 9823 Siskiyou Etna Mills Comment
  CAS-BOT-BC36381  Chrysolepis chrysophylla W. R. Dudley 1907-8-27 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC36391  Chrysolepis chrysophylla G. P. Rixford no date s.n. Siskiyou Hilt Comment
  HSC4939  Chrysolepis chrysophylla J. O. Sawyer 1968-7-10 461 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  HSC33958  Chrysolepis sempervirens J. P. Smith 1974-5-25 7429 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC8066  Chrysolepis sempervirens Dorothy Parker 1949-8-12 365 Siskiyou Near Duck Lake Creek, Salmon Mtn. 1524 Comment
  UC455273  Chrysolepis sempervirens I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 2133 Comment
  UC618841  Chrysolepis sempervirens unknown 1938-7-22 11330 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  POM261491  Chrysothamnus nauseosus subsp. albicaulis W. Bridge Cooke 1938-8-5 11451 Siskiyou Diller Canyon, near MacBride Springs 2439 Comment
  HSC68242  Cichorium intybus J. P. Smith, Steve Selva 1970-7-17 4425 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC105874  Cirsium G. J. Muth 1969-8-12 1369 Siskiyou Second Valley 2225 Comment
  CDA1135  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -C Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  CDA1179  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou Near Weed; Shasta Valley; Slough Rd about 2 miles south of Louie Rd. 0 Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC285553  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  HSC40242  Cirsium occidentale var. candidissimum J. P. Smith 1976-5-5 8701 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC152  Cirsium remotifolium William J. Ferlatte 1966-8-3 263 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  RSA0070872  Cirsium remotifolium David J. Keil, Kathleen Keil, Mary Faustini 1990-7-28 s.n. Siskiyou Klamath National Forest. Marble Mountain Wilderness, Rye Creek Trail. Comment
  UCD130676  Cirsium remotifolium var. odontolepis A. H. Murphy 1956-8-16 56 AA Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC286476  Cirsium scariosum Peter H. Raven 1956-9-4 10404 Siskiyou South side of Mt. Eddy 2682 Comment
  CDA1579  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CAS-BOT-BC439049  Cistanthe monosperma Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  RSA715806  Clarkia lassenensis L. Ahart, John Dittes 2005-6-10 12099 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 Comment
  CAS-BOT-BC163283  Clarkia mildrediae subsp. mildrediae A. A. Heller 1928-6-10 14611 Siskiyou Along the Pacific Highway on a shale bank between Salt Creek and Pollock Comment
  POM37807  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1910-5-21 1375 Siskiyou Klamath hills Comment
  UC164439  Clarkia rhomboidea Geo. D. Butler 1909-7-15 926 Siskiyou Highland Mine Comment
  CAS-BOT-BC439143  Claytonia exigua subsp. exigua Lewis S. Rose 1945-6-18 45103 Siskiyou Horse Creek & Klamath River 502 Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  CAS-BOT-BC439631  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53434 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  SEINET5336363  Claytonia parviflora subsp. parviflora G. Butler 1910-5-8 1305 Siskiyou Damp shaded soil near Yreka Comment
  UCD100771  Claytonia perfoliata subsp. intermontana P. Quentin Tomich 1954-6-29 434 Siskiyou At mouth of cave. Caldwell Caves, Lava Beds National Monument. 1402 Comment
  RSA469310  Claytonia rubra M. B. Dunkle 1944-7-15 906 Siskiyou Siskiyou Nart l Forest. 1768 Comment
  CAS-BOT-BC443828  Claytonia rubra subsp. rubra J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  HSC4456  Claytonia rubra subsp. rubra William J. Ferlatte 1966-6-22 107 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC22228  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 994 Siskiyou Above Paynes Lake Creek 1951 Comment
  SEINET7042821  Claytonia rubra subsp. rubra A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  HSC64322  Claytonia sibirica J. P. Smith, Steve Selva 1970-6-15 3956 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  JEPS43311  Claytonia sibirica Willis L. Jepson Jul 1894 14872 Siskiyou Sisson; Mt. Shasta Region Comment
  RSA262514  Claytonia sibirica J. M. Tucker 1974-7-28 4318 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  CAS-BOT-BC443865  Claytonia sibirica F. J. Kirby 1958-7-1 1199 Siskiyou Swillup Campground, 25 miles s. of Happy Camp 609 Comment
  UCD22744  Clematis ligusticifolia Allison R. Holzer 1980-7-20 28 Siskiyou Approximately 8 miles south of Etna along Hwy 3. 883 Comment
  HSC67679  Clintonia uniflora John Palmer 1980-7-24 620 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1299331  Clintonia uniflora Freed W. Hoffman 1948-7-9 2569 Siskiyou 4.1 mi n of West Branch Public Camp (Waldo-Happy Camp Road); North Coast Ranges, Waldo-Happy Camp Road Comment
  UC375201  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou near Cold Spring (Wooley Creek); Wooley Creek Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CHSC57456  Collinsia linearis L. P. Janeway 1984-6-22 876 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. Comment
  HSC42972  Collinsia linearis J. O. Sawyer, Ken Stillman 1976-5-29 2743 Siskiyou Along Specimen Creek 915 Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  RSA261378  Collinsia linearis J. M. Tucker, L. K. Mann 1963-7-4 3691 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC36426  Collinsia parviflora J. O. Sawyer 1969-7-18 1406 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC169329  Collinsia parviflora Harley P. Chandler Jun 1901 1686 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  JEPS26522  Collinsia torreyi var. latifolia Lauramay T. Dempster 1961-7-2 1853 Siskiyou sw Etna (ridge w of Salmon Mtn. Summit) 1828 Comment
  RSA50221  Collomia grandiflora E. K. Balls 1949-7-9 13928 Siskiyou 4.3 miles from Etna on road to Sawyer's Bar Comment
  CAS-BOT-BC229523  Collomia larsenii Mary Ann Showers 1980-7-23 1917 Siskiyou At summit of Little Mount Hoffman, W facing slope Comment
  SEINET10496958  Collomia larsenii Mary Susan Taylor 1980-8-18 Taylor 3264 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  JEPS105136  Collomia tinctoria Dean W. Taylor 1996-7-11 15788 Siskiyou Scott Mountains; ridge dividing West Fork Parks Creek drainage from Willow Creek drainage (about 15 air miles west of Weed & 3 air miles west of Stewart Springs); Shasta-Trinity National Forest 1828 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
  RSA50137  Collomia tracyi E. K. Balls 1949-7-10 13965 Siskiyou 9.5 miles from Sawyers Bar on way to Cecilville. 732 Comment
  CAS-BOT-BC180418  Comandra umbellata subsp. californica Alice Eastwood 1912-7-23 1315 Siskiyou Dunsmuir Comment
  JEPS64348  Corallorhiza maculata W. L. Jepson 1940-6-27 20039 Siskiyou Mt. Shasta; e slope 1828 Comment
  HSC19041  Corallorhiza maculata J. O. Sawyer 1969-7-25 1554 Siskiyou SW facing slope S of High Lake 2149 Comment
  SEINET4854286  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City. 1159 Comment
  JEPS57397  Cordylanthus tenuis subsp. pallescens L. R. Heckard with T. I. Chuang 1968-7-3 1972 Siskiyou w Mt. Shasta City (se of Black Butte, along garbage disposal road just off hwy 5 (old 99)) 1173 Comment
  UCD123165  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16191 Siskiyou Shasta-Trinity National Forest, along road 40N26 west of Lake Siskiyou. On north side of road. 1198 Comment
  JEPS77479  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4973 Siskiyou sw Weed (s of Edgewood, road below Stewart Springs) 975 Comment
  CAS-BOT-BC212070  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou Walker Creek, a tributary of the Klamath River, east end of Seiad Valley 609 Comment
  SBBG15786  Cornus nuttallii D. Myrick 1961-6-21 300 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  CAS-BOT-BC210406  Cornus sericea W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  CHSC99702  Cornus sericea subsp. sericea L. P. Janeway 2008-7-23 8463 Siskiyou Klamath Ranges. The Eddys/Scott Mountains; along small tributary from the west of Parks Creek; above Road 17 8.0 road km south of Stewart Springs Road. Along small creeklet flowing down a east-northeast facing slope, 1747 Comment
  RSA397707  Cornus stolonifera B. C. Templeton 1960-6-21 8557 Siskiyou 2 miles below the summit of Scott Mt. Comment
  POM106652  Corylus cornuta var. californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain. Comment
  UCR246630  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Hwy 3 on Lighthill Road south of Fort Jones 831 Comment
  CAS-BOT-BC290541  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  UC1041113  Crepis intermedia J. W. Congdon 1900-8-16 Siskiyou Castle Lake Trail Comment
  CAS-BOT-BC299655  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou Near Yreka Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  UC581286  Crepis monticola G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1937 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  CAS-BOT-BC290739  Crepis occidentalis subsp. conjuncta Peter H. Raven 1956-9-4 10398 Siskiyou South side of Mt. Eddy 2560 Comment
  CAS-BOT-BC376493  Crepis occidentalis subsp. conjuncta Lewis S. Rose 1937-7-3 37388 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  HSC61805  Crepis pleurocarpa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS36456  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackelford Creek Log Lake 1524 Comment
  HSC67966  Croton setiger J. P. Smith, J. O. Sawyer 1971-9-18 4808 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  HSC19011  Cryptantha affinis J. O. Sawyer 1969-7-9 1209 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC857037  Cryptantha affinis Lewis S. Rose 1937-7-25 37589 Siskiyou s slope Mt. Shasta 1767 Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  JEPS101588  Cryptantha milobakeri Dean W. Taylor 1999-6-9 17235 Siskiyou Agate Flat, 0.3 mi S of Oregon Sate Line 1005 Comment
  SDSU20238  Cryptantha subretusa Ronald B. Kelley 2005-9-5 962 Siskiyou On south-southwest facing slope of Mt. Eddy on unofficial peak trail, on upslope side of trail. 2560 Comment
  RSA237233  Cryptogramma acrostichoides Frederick W. Oettinger 1967-7-8 158 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC383126  Cryptogramma cascadensis Andrew Townesmith; Karen M. Meyer 2007-7-30 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CAS-BOT-BC70533  Cryptogramma cascadensis Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC80550  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-9 6170 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3.4 mi. above forks of creek 1158 Comment
  NY16600  Cupressus bakeri J. P. Carson 1978-1-12 273 Siskiyou Lassen National Forest, Hat Creek Ranger District. Timbered Crater, 16 miles north of Fall River Mills Comment
  RSA17602  Cupressus bakeri C. B. Wolf 1934-7-8 6166 Siskiyou 1 mile NE of Timbered Butte, Modoc Lava beds on Old Stage Road from Dana Little Hot Springs Valley Comment
  RSA352344  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 61167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  SEINET10531421 Image available Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-9 Wolf 2130 Siskiyou Siskiyou Mts. above W. Fork of Seiad Creek, 3/4 mi above forks of creek. Arid transition:- Yellow Pines, Douglas Firs. Sun. S slope in red rock/ 1160 Comment
  CAS-BOT-BC85554  Cupressus macnabiana Thos. H. Harris 1951-6-1 s.n. Siskiyou On Klamath River 3 miles west of bridge on Highway 99 Comment
  RSA792359  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tule Lake. Growing in potato field. Comment
  UC164127  Cuscuta epithymum Geo. D. Butler 1908-7-10 1015 Siskiyou near Yreka Comment
  RSA292911  Cuscuta howelliana Reino Alava 1958-9-2 2392 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. Comment
  RSA237964  Cuscuta occidentalis Frederick W. Oettinger 1967-8-10 243 Siskiyou 0.1 mi SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  UC1045271  Cycladenia humilis var. humilis unknown 1940-6-7 15110 Siskiyou along Pacific Hwy. near Black Butte Comment
  UC1950079  Cymopterus terebinthinus var. californicus Barbara Ertter with Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 97 NE of Weed Comment
  UCD77586  Cymopterus terebinthinus var. californicus Robert E. Preston 2000-6-23 1380 Siskiyou East edge of Juniper Flat, north of Yellow Butte, along A12, 2.1 mi n of Hwy 97. 1100 Comment
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC133737  Cypripedium californicum L. E. Smith 1913-6-19 371 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC19326  Cypripedium montanum J. O. Sawyer 1968-6-25 317 Siskiyou Along Horse Range Creek 1829 Comment
  HSC61803  Cystopteris fragilis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC192262  Danthonia californica Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  RSA239120  Danthonia californica var. americana Frederick W. Oettinger 1969-9-4 1657 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA239125  Danthonia intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC103046  Danthonia unispicata J. P. Smith 2014-6-7 13904 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC96297  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC76227  Darlingtonia californica J. H. Miller 1886-7-1 s.n. Siskiyou Mount Shasta. Comment
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Nov 6 2019
  CAS-BOT-BC76234  Darlingtonia californica L. E. Smith 1913-7-4 81908 Siskiyou Castle Lake. Comment
  RSA422668  Darlingtonia californica Christopher Davidson 1975-6-5 2676 Siskiyou 3.3 miles from gate on special service road branching to SE of road from Gazelle to Callahan 9.3 miles W of Gazelle; Klamath Nat'l Forest. 1623 Comment
  SEINET5728399 Image available Darlingtonia californica Lowell E. Urbatsch, Vensa Karaman 2000-1 7696 Siskiyou Collected along Road 17, 8.8 mi. SW from the jct. of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UC144313  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC141830  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  RSA32275  Delphinium andersonii Alice Eastwood, Donna Howell 1937-6-26 5036 Siskiyou Salmon Mts, 10 miles SW of Etna. Comment
  CAS-BOT-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  JEPS123411  Delphinium glaucum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -133 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS24033  Delphinium glaucum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6897 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  HSC76663  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  CAS-BOT-BC9849  Delphinium nudicaule Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  SEINET3159328  Delphinium nudicaule G. D. Butler 1910-5-7 1299 Siskiyou near Yreka Comment
  CAS-BOT-BC116171  Delphinium nuttallianum Ira L. Wiggins 1950-5-28 12382 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek). 1737 Comment
  HSC44952  Delphinium nuttallianum J. O. Sawyer 1978-6-16 3217 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  UC54272  Delphinium nuttallianum H. M. Hall and E. B. Babcock June 1903 4124 Siskiyou near head of McCloud River (se Siskiyou Co.); Sierra Nevada Mountains 1524 Comment
  HSC39877  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  HSC86445  Deschampsia cespitosa D. K. Imper 1989-7-21 Siskiyou 8 mi. E of Somes Bar. 1372 Comment
  CAS-BOT-BC192465  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 601 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC103044  Deschampsia danthonioides J. P. Smith 2014-6-7 13902 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  JEPS73746  Deschampsia danthonioides Geo. D. Butler 1908-6-25 477 Siskiyou along creek near Yreka (Butler's Ranch); Butler's Ranch Comment
  RSA582089  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  CAS-BOT-BC201949  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  RSA184789  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trial, Meadow above Marble valley; Marble Mountains 183 Comment
  UCD114762  Descurainia pinnata R. E. Preston 1982-5-1 275 A Siskiyou 0.75 mile south of Camp Creek campground, Irongate Reservoir. 701 Comment
  CAS-BOT-BC402476  Dicentra formosa subsp. formosa L. E. Smith 1912-7-1 s.n. Siskiyou Between Castella & Dunsmuir railroad track Comment
  POM210949  Dicentra formosa subsp. formosa Louis C. Wheeler 1934-8-2 3013 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  CHSC9499  Dicentra pauciflora J. F. Goodwin 1971-7-3 144 Siskiyou Southeast side of Castle Lake, 0.5 mi. south on Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 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
  JEPS82680  Dicentra pauciflora Wayne Roderick 1984-6-7 Siskiyou Cabin Meadow s.w. Stewart Springs (camp site) 1798 Comment
  JEPS86114  Dicentra pauciflora Wayne Roderick 1966-7-23 Siskiyou Castle Lake; and higher up trail to Little Castle Lake 1676 Comment
  RSA297049  Dicentra pauciflora John F. Emmel 1974-7-19 517 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  UC164474  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou near Yreka Comment
  UC454399  Dichelostemma capitatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC144626  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  UC375155  Dichelostemma multiflorum Geo. D. Butler 1909-7-20 887 Siskiyou Highland Mine Salmon Range 1828 Comment
  SEINET4899747  Dichelostemma pulchellum Jack Seely 1991-5-30 s.n. Siskiyou Klamath National Forest; West Branch Comment
  CAS-BOT-BC290997  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  JEPS19525  Dieteria canescens var. shastensis Peter H. Raven 1956-9-4 10395 Siskiyou pass just s Mt. Eddy 2438 Comment
  UC904782  Dieteria canescens var. shastensis W. Bridge Cooke 1949-8-26 25663 Siskiyou old logging rd above Bolam Station; Mount Shasta Comment
  UC991121  Dieteria canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou 7.5 mi e McCloud (beside Highway 89) Comment
  HSC92173  Dieteria canescens var. shastensis Jennifer Whipple 1978-10-6 2392 Siskiyou N-facing slopes in the Eddy Creek Drainage 2378 Comment
  CAS-BOT-BC208974  Digitaria ischaemum Carl B. Wolf 1927-8-26 1089 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  HSC5468  Dimeresia howellii R. C. Wunner 1965-6-15 194 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  CAS-BOT-BC153653  Diplacus jepsonii Alice Eastwood 1912-7-16 1143 Siskiyou [Mc Cloud] McCloud Comment
  CAS-BOT-BC153303  Diplacus kelloggii J. H. Thomas 1954-5-13 4156 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek 1127 Comment
  CAS-BOT-BC153449  Diplacus layneae L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  CAS-BOT-BC153726  Diplacus nanus Clare B. Hardham 1961-6-30 8030 Siskiyou Mud Springs 1981 Comment
  CAS-BOT-BC153738  Diplacus nanus Wm. Bridge Cooke 1940-6-4 15005 Siskiyou Along the Bolam Road Comment
  JEPS8800  Dipsacus fullonum W. L. Kleaver 1915-5-31 1 Siskiyou Yreka Comment
  HSC29232  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: midway between Tom Taylor Cabin and English Peak Summit 1997 Comment
  RSA238737  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 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
  HSC19085  Dodecatheon jeffreyi J. O. Sawyer 1969-7-3 1039 Siskiyou Near Lipstick Lake 1951 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC19083  Dodecatheon jeffreyi J. O. Sawyer 1969-6-12 940 Siskiyou On trail to Duck Lakes 1890 Comment
  CDA42337  Downingia bacigalupii Ed Hale 1986-7-15 s.n. Siskiyou Intersection of 97 and road to Tenant. 0 Comment
  HSC197  Draba carnosula William J. Ferlatte 1967-7-26 757 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  POM370129  Draba howellii M. B. Dunkle 9206 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  CAS-BOT-BC41308  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5302 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  RSA183729  Draba pterosperma Gilbert Muth 1965-8-4 170 Siskiyou Marble Mountains, Marble Valley Comment
  RSA186335  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  JEPS1616  Draperia systyla W. L. Jepson Jul 17 1902-Jul 22 1902 2070 Siskiyou Devil's Backbone; western Siskiyou 1828 Comment
  HSC18930  Drymocallis glandulosa J. O. Sawyer 1969-7-3 1043 Siskiyou Above Lipstick Lake 1951 Comment
  HSC69379  Drymocallis glandulosa J. O. Sawyer, J. Cole 1980-7-19 3689 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  HSC74867  Drymocallis glandulosa J. P. Smith, Jennifer Whipple 1978-7-2 9987 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC18765  Drymocallis glandulosa D. M. Thomson 1965-8-21 201 Siskiyou California Lave Beds N.M., Devil's Homestead Lava Flow Comment
  CAS-BOT-BC159440  Drymocallis glandulosa var. glandulosa David D. Keck 1938-8-6 4809 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. 1554 Comment
  CAS-BOT-BC159438  Drymocallis glandulosa var. glandulosa Dorothy Parker 1950-6-15 455 Siskiyou Along Kidder Creek 914 Comment
  SEINET6652792  Drymocallis glandulosa var. glandulosa G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  CAS-BOT-BC527346  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC1190237  Drymocallis lactea var. austiniae Ira L. Wiggins 1955-7-27 13525 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC158419  Drymocallis rhomboidea Edward Lee 1934-8-14 1114 Siskiyou Little Grayback Peak, Siskiyou Mountains, Siskiyou-Del Norte County 1798 Comment
  UC1593362  Dryopteris expansa Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2540 Siskiyou at base of entrance pit Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  HSC65313  Dysphania botrys J. P. Smith, Steve Selva 1970-7-16 4378 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  HSC30715  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Marble Mtn. Wilderness Area, vernal pool at Upper English Lake 1768 Comment
  RSA120499  Eleocharis decumbens S. Tillett 1956-7-9 640 Siskiyou E. of Scott Mtn., Siskiyou-Trinity county line, ca 8 mi. SE of Callahan. 1829 Comment
  CAS-BOT-BC112014  Eleocharis suksdorfiana Henry Knut[e] Svenson 1938-9-8 11664 Siskiyou Squaw Creek Meadows, Hudsonian, Openings in the meadows. Comment
  POM208264  Elodea canadensis L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC227929  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  POM205432  Elymus elymoides Copeland 1903-9-6 3786 Siskiyou Mt. Eddy 1829 Comment
  POM359940  Elymus elymoides M. B. Dunkle 1945-07 9241 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA233654  Elymus elymoides R. F. Thorne, Frederick W. Oettinger 1969-8-10 38999 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on dry, sunny, volcanic slopes above ski-lodge. 2378 Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  UCD61537  Elymus elymoides L. Whitney 1935-7-15 3472 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UC197112  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-12 1762 Siskiyou Shackleford Creek 1371 Comment
  HSC38384  Elymus elymoides var. elymoides A. M. Montalvo, J. D. Ackerman 1974-7-2 344 Siskiyou E slope of Eddy Mtn., on rd. to Deadfall Lakes and Morgan Meadows. 1524 Comment
  UCD61889  Elymus glaucus Geo. D. Butler 1908-6-25 479 Siskiyou Along Creek near Yreka. Comment
  CAS-BOT-BC235225  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC102711  Elymus multisetus J. P. Smith 2013-6-17 13744 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  UCR142760  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  CAS-BOT-BC213812  Elymus repens Dorothy Parker 1945-9-9 121 Siskiyou Fields on Parker Ranch, Plowman's Valley 1097 Comment
  SDSU8792  Epilobium brachycarpum D. F. Howe 1969-8-31 4674 Siskiyou 7 miles north of Weed on road to Yreka. 1006 Comment
  UC618663  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou along the road near end of Sisson Southern Trail; Mount Shasta Comment
  HSC29172  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1791 Comment
  SD3238  Epilobium brevistylum Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs. Comment
  JEPS39262  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1894-7 14462 Siskiyou Sisson region of Mt. Shasta Comment
  JEPS39271  Epilobium ciliatum subsp. ciliatum Willis L. Jepson Jul 24 1894-Aug 10 1894 14450 Siskiyou Sisson Region of the Upper Sacramento Comment
  UCR66519  Epilobium densiflorum L. C. Wheeler 1934-6-22 2755 Siskiyou Siskiyou Mtns., Cottonwood Creek 915 Comment
  UCD80891  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2001-6-23 1585 Siskiyou Klamath National Forest, N slope of Rainbow Mountain, at Hemlock Lake. 1889 Comment
  SEINET6637348 Image available Epilobium glaberrimum subsp. glaberrimum C. G. Pringle 1881-8-16 s.n. Siskiyou Siskiyou County Comment
  SEINET9073962 Image available Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-1 1150 Siskiyou Halway Spring, English to Diamond Lake. Trail 1829 Comment
  RSA237576  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou Between King David Mountain and Abbotts. The Salmon Mountains. The high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area 1860 Comment
  RSA237579  Epilobium hallianum Frederick W. Oettinger 1967-8-13 254 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  POM251086  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  UC873286  Epilobium lactiflorum Alice Eastwood 1912-9-1 2058 Siskiyou Mount Shasta Comment
  RSA237391  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 -a Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA458713  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  HSC69083  Epilobium oreganum Maralyn A. Renner 1980-8-4 2218 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC171860  Epilobium septentrionale C. G. Pringle 1881-8-19 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  HSC216  Epilobium siskiyouense William J. Ferlatte 1966-8-4 303 Siskiyou Dorleska summit 2134 Comment
  UC637176  Equisetum hyemale subsp. affine Edward Lee 1934-8-11 1035 Siskiyou e end Siead Valley (Walker Creek - a tributary of Klamath River) 609 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
  JEPS68261  Equisetum laevigatum L. R. Heckard 1972-5-31 2934 Siskiyou se Montague (along road at Shasta River R.R. Bridge) 822 Comment
  CAS-BOT-BC57235  Equisetum laevigatum Alice Eastwood 1923-5-22 11885 Siskiyou Sisson Comment
  HSC46757  Equisetum laevigatum William J. Ferlatte 1968-6-8 1137 Siskiyou Big Flat, near campground 1524 Comment
  UCSC004623  Eragrostis Randall Morgan 2004-5-31 4176 Siskiyou Castle Crags State Park, shore of Sacramento River Comment
  UCR142758  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Siskiyou Mtns, Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC4916  Eremogone congesta J. O. Sawyer 1968-6-25 298 Siskiyou NE of N Horse Range Lake 2012 Comment
  CAS-BOT-BC174228  Eremogone congesta var. congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek 1219 Comment
  HSC26574  Ericameria bloomeri J. P. Smith 1972-8-17 5747 Siskiyou Medicine Lake 2012 Comment
  OBI5766  Ericameria bloomeri Carl B. Wolf 1931-9-2 5766 Siskiyou On road to McCloud, 1/2 mi above jctn with Pacific hwy 1097 Comment
  UC163915  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou old field near road n Goosenest Mountain Comment
  UCD131319  Ericameria bloomeri Joseph M. DiTomaso 1976-9-7 686 Siskiyou Big Flat. Trinity Alps. 1524 Comment
  UCD77638  Ericameria bloomeri Robert E. Preston 2001-8-26 1767 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2011 Comment
  CAS-BOT-BC287492  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  HSC24683  Ericameria greenei J. O. Sawyer 1969-9-11 2001 Siskiyou On E-facing slope above Duck Lake Creek 1905 Comment
  CAS-BOT-BC298250  Ericameria nauseosa var. oreophila W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC294299  Ericameria nauseosa var. speciosa K. T. Stillman 1976-9-9 482 Siskiyou Jump off point; trail to Box Camp 1950 Comment
  JEPS16963  Ericameria nauseosa var. speciosa Peter H. Raven 1956-9-5 10464 Siskiyou North Fork of the Sacramento River 1828 Comment
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Feb 10 2006
  JEPS24785  Ericameria nauseosa var. speciosa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6793 Siskiyou below and se of Mt. Shasta town Sisson (between the debouchements of Wagon and Scott Camp Creeks, along South Fork of Sacramento River); South Fork of Sacramento River 944 Comment
  RSA790000  Ericameria nauseosa var. speciosa Rebecca Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  SD76145  Ericameria nauseosa var. speciosa Helen V. Witham 1969-10-4 452 Siskiyou Black Butte Summit, 4I(c) miles south of Weed. 1000 Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  CHSC36118  Erigeron K. Bridwell 1978-7-6 169 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  UCR266169  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  POM253603  Erigeron aliceae C. L. Hitchcock, J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  UC1333338  Erigeron aliceae Dorothy Parker 1968-7-18 1024 Siskiyou Salmon Cut Siskiyou Mountains, Salmon Cut 1828 Comment
  JEPS109715  Erigeron aphanactis var. aphanactis Dean W. Taylor 2002-7-21 18271 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CAS-BOT-BC294498  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on road 40N08 1645 Comment
  HSC75806  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-15 10122 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  CAS-BOT-BC33466  Erigeron bloomeri var. pubens C. L. Hitchcock; J. S. Martin 1939-7-9 5329 Siskiyou 0.5 mile SE of King's Castle; Marble Mts. 1828 Comment
  UC163907  Erigeron cervinus Geo. D. Butler 1910-6-5 1515 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC294908  Erigeron chrysopsidis var. austiniae Gilbert J. Muth 1969-8-6 1216 Siskiyou Boulder Peak Comment
  CAS-BOT-BC294910  Erigeron chrysopsidis var. austiniae Annie M. Alexander; Louise Kellogg 1949-7-22 5842 Siskiyou Trail to Kings Castle, top of ridge. Paradise Lake, Marble Mountains 2072 Comment
  CAS-BOT-BC297111  Erigeron compositus W. R. Dudley 1899-8-26 s.n. Siskiyou Mt. Eddy Comment
  HSC72365  Erigeron compositus J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8957 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  UC618656  Erigeron compositus unknown 1938-8-22 11558 Siskiyou s slope Diller Canyon; Mount Shasta, Diller Canyon 2743 Comment
  JEPS107396  Erigeron divergens Lowell Ahart, John Dittes 2005-6-10 12080 Siskiyou South edge of irrigated pasture, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA78831  Erigeron foliosus var. hartwegii P. A. Munz 1952-7-2 17909 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  HSC19464  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-5 1741 Siskiyou W of Little Duck Lake 2073 Comment
  HSC19468  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1860 Siskiyou Slope SW of Sugar Lake 2195 Comment
  HSC69334  Erigeron glacialis var. glacialis John Palmer 1980-8-13 770 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC295389  Erigeron inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC295390  Erigeron inornatus L. E. Smith 1913-7-24 490 Siskiyou McCloud Comment
  HSC68173  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1972-9-12 5776 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS84318  Erigeron inornatus var. inornatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6330 Siskiyou ca 0.5 air mi. from Red Butte, w of Cook and Green Pass. ca 7 mi nne of Seiad Valley 1730 Comment
  UC1409451  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou along trail above Willow Springs (between Abbott's Upper Cabin and English Lake, in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  SEINET11859479  Erigeron inornatus var. inornatus Unknown 1953-1 123 Siskiyou Blue Point, Scott Mountain Public Campground, Klamath National Forest, Scott Mountains 1631 Comment
  HSC74916  Erigeron klamathensis J. P. Smith, Jennifer Whipple 1978-7-2 9969 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  JEPS109830  Erigeron nivalis Dean W. Taylor 2006-8-8 19578 Siskiyou Dry Creek Peak (ridge ca. 12 air miles NE of Mt Shasta summit, at headwaters Antelope Creek 2194 Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  RSA238715  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-7-13 1008 Siskiyou Slope N of Upper English Lake 1799 Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  CHSC67468  Erigeron petrophilus var. viscidulus James D. Jokerst 1992-7-30 3432 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS24438  Erigeron pumilus var. intermedius G. Thomas Robbins 1959-6-10 4041 Siskiyou 4 mi s Gazelle (U.S. Highway 99); Shasta Valley 914 Comment
  CAS-BOT-BC224138  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CAS-BOT-BC224140  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CHSC8614  Eriodictyon californicum G. Smalley 1967-6-7 Siskiyou Collected ca. 9 miles w of Fort Jones on Quartz Mt. 1280 Comment
  UC101836  Eriogonum alpinum Dr. E. B. Copeland 1903-8-18 3813 Siskiyou Mt. Eddy 2651 Comment
  CDA11920  Eriogonum compositum G. F. Hrusa 1990-4-2 7840 Siskiyou Klamath Ranges; 3 miles N of Yreka along Old Shasta River Rd. Between Yreka and Hwy 96 intersection. Comment
  JEPS80552  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou upper third to top of ridge, Marble Mt. Wilderness Area Marble Mt. Wilderness Area 2011 Comment
  UC922358  Eriogonum compositum var. compositum Annie M. Alexander and Louise Kellogg 1949-7-29 5901 Siskiyou Campbell L. trail to Hidden L. (above Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC124204  Eriogonum congdonii Joseph Whipple Congdon 1900-8-18 s.n. Siskiyou Mt. Eddy Trail Comment
  JEPS98387  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its jct. with Kangaroo Lake Road 1737 Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS84197  Eriogonum diclinum L. R. Heckard with J. Hickman et al. 1986-7-17 6495 Siskiyou Oak Knoll Ranger Station road to Condrey Mt ca 14.5 mi from. Hwy 96 (Walker) (near Dry Lake) 2000 Comment
  RSA237982  Eriogonum diclinum Frederick W. Oettinger 1969-9-4 1643 Siskiyou Little Medicine Mountain, north of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC263656  Eriogonum luteolum var. luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CAS-BOT-BC263661  Eriogonum luteolum var. luteolum Elmer I. Applegate 1923-9-6 3941 Siskiyou Along the Klamath River about 20 miles below the Pacific Highway Comment
  HSC43459  Eriogonum marifolium Jennifer Whipple 1976-6-30 1183 Siskiyou S face of Mt. Eddy draining into the N fork of the Sacramento River 2500 Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  RSA19311  Eriogonum marifolium L. S. Rose 1937-7-25 37588 Siskiyou South slope of Mt. Shasta. 1768 Comment
  UCD100399  Eriogonum marifolium Dean Wm. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta; between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC263177  Eriogonum marifolium var. cupulatum A. A. Heller 1920-8-12 13522 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  CHSC30841  Eriogonum marifolium var. marifolium M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3267 Siskiyou Paint Pot Crater. 1920 Comment
  CAS-BOT-BC261617  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 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
  SEINET11262471  Eriogonum nudum var. nudum D. W. McNeal 1978-6-2 2157 Siskiyou Along shoulder of Hwy #96, 6.8 mi s of Happy Camp.; 0 Comment
  CAS-BOT-BC261676  Eriogonum nudum var. nudum Milo S. Baker 1926-7-17 63 -'26 Siskiyou Summit S. Fork Mt. 5 mi. N. of Highway Comment
  SD22553  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  CDA30918  Eriogonum nudum var. oblongifolium M. Beyers, G. F. Hrusa 2010-8-18 695 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UC164231  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills 1219 Comment
  SD22707  Eriogonum nudum var. oblongifolium Susan G. Stokes none given Siskiyou Lava Butte Comment
  CAS-BOT-BC272476  Eriogonum nudum var. pubiflorum Doris K. Kildale 1929-6-25 8358 Siskiyou 6 miles north of Klamath River at Hornbrook 609 Comment
  CAS-BOT-BC272480  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1783 Comment
  CAS-BOT-BC272499  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-11 9501 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  UC454351  Eriogonum nudum var. pubiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UCD77662  Eriogonum nudum var. pubiflorum Robert E. Preston 2001-6-23 1566 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-BC272468  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou About three miles south of Yreka Comment
  CAS-BOT-BC272475  Eriogonum nudum var. pubiflorum Laura M. Lathrop 1908-7-10 s.n. Siskiyou Shasta Retreat Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  POM211515  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Hot dry south slope. Oak Knoll Ranger Station. Klamath River. 671 Comment
  JEPS82246  Eriogonum siskiyouense Roger Raiche 1983-8-14 30614 Siskiyou fell-field slope near summit of road to Mt. Eddy (<road> A.K.A. road to Dead Fall Meadow, Park Creek Rd. or Forest Rd. 42N17) 2133 Comment
  CAS-BOT-BC268578  Eriogonum siskiyouense J. D. Jokerst 1981-8-18 1463 Siskiyou East of USFS logging road in the S1/2 of the SW1/4 Section 2 1249 Comment
  CAS-BOT-BC262726  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1915-7-1 s.n. Siskiyou Yreka Comment
  RSA734379  Eriogonum strictum subsp. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna Mills and Ft. Jones. Comment
  HSC77292  Eriogonum ternatum L. P. Janeway 1983-8-7 515 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  CAS-BOT-BC267930  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  SBBG1641  Eriogonum umbellatum H. and M. Dearing 1938-6-28 2184 Siskiyou Mt Shasta 1524 Comment
  CAS-BOT-BC267948  Eriogonum umbellatum Dorothy Parker 1948-7-11 107 Siskiyou Upper Shovel Creek near Beswick 1011 Comment
  HSC62449  Eriogonum umbellatum Ruby Van Deventer 1939-7-19 Siskiyou Twin Valley Comment
  RSA181627  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 460 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  RSA237776  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC85976  Eriogonum umbellatum var. dumosum T. S. Brandegee July 1889 Siskiyou Coles Comment
  RSA238990  Eriogonum umbellatum var. goodmanii Frederick W. Oettinger 1966-6-27 30 Siskiyou About 600 yds up road from Crawford Creek, Guard Station, Salmon River District, Klamath Nat. Forrest, Cevilville. Comment
  CAS-BOT-BC268145  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1938-8-24 11581 Siskiyou Mount Shasta. Near Bolam Creek Comment
  CAS-BOT-BC268146  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1940-7-26 15369 Siskiyou Mount Shasta. Along Diller Canyon Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  RSA420695  Eriogonum umbellatum var. modocense M. B. Dunkle 1945-08 9276 Siskiyou Paradise Lake, rocky ledge. Comment
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  RSA739868  Eriogonum umbellatum var. nevadense L. P. Janeway, B. Castro 2007-7-28 9128 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  CAS-BOT-BC262378  Eriogonum vimineum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC912832  Eriogonum vimineum Lewis S. Rose 1941-8-28 41429 Siskiyou Macdoel 1219 Comment
  HSC91303  Eriophorum crinigerum Jennifer Whipple 1976-6-17 1026 Siskiyou Near Durney Lake 2073 Comment
  UC184614  Eriophorum crinigerum Geo. D. Butler 1910-7-9 1703 Siskiyou Shackleford Creek, Log Lake 1219 Comment
  UCSB15884  Eriophyllum lanatum Breedlove, Dennis 1962-6-10 Siskiyou Grassy road- bank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  CAS-BOT-BC301115  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301127  Eriophyllum lanatum var. achilleoides Alice Eastwood; John Thomas Howell 1934-4-20 1763 Siskiyou Near Yreka along Shasta River Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC308281  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  CAS-BOT-BC308279  Eriophyllum lanatum var. integrifolium J. R. Hall 1912-7-3 73 H Siskiyou Klamath Forest 1219 Comment
  POM30802  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-29 1394 Siskiyou Humbug Mountain. 1220 Comment
  RSA14500  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-9-7 3952 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  RSA238888  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Northeast of Horse Range Lake. Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1822 Comment
  CAS-BOT-BC124135  Eriophyllum rixfordii G. P. Rixford s.n. Siskiyou South side of Shaft Rock Mt., near Hilt Comment
  JEPS107286  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
  UC618618  Erodium cicutarium unknown 1938-6-24 11084 Siskiyou MacBride Springs Mount Shasta Comment
  HSC8476  Erodium cicutarium R. C. Wunner 1965-6-7 114 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground on route to Dragon Head Cave 1387 Comment
  UC1565572  Eryngium mathiasiae Beth Corbin 1989-8-28 546 Siskiyou ca. 14 air mi. n. Fall River Mills (ca. 1/4 mi. s. of Adobe Flat Reservoir) 1097 Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  RSA264997  Erysimum capitatum Gilbert Muth 1975-7-29 5366 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  UC585098  Erysimum capitatum var. capitatum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1916 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  SEINET8390058  Erythranthe linearifolia Christine C. Lorain 1994-8-14 2267 Siskiyou on trail along Deadfall Creek near Lower Deadfall Lake at eastern base of Mt. Eddy; Shasta National Forest. 2134 Comment
  CAS-BOT-BC133273  Erythronium citrinum Elmer I. Applegate 1932-4-16 7062 Siskiyou 6 miles down the Klamath River from the mouth of Doggett Creek, just above Hamburg Comment
  JEPS61854  Erythronium grandiflorum W. L. Jepson 1907-7-5 2826 Siskiyou Marble Mt. Comment
  JEPS61856  Erythronium hendersonii Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  HSC62120  Eucephalus ledophyllus var. ledophyllus Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1890 Comment
  HSC62619  Eucephalus ledophyllus var. ledophyllus Ruby Van Deventer 1962-8-15 Siskiyou Youngs Valley Comment
  HSC61117  Euchiton gymnocephalus Ruby Van Deventer Siskiyou F.S. Rd. 17N04; Doe Flat Comment
  UC1190257  Euonymus occidentalis var. occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch Comment
  HSC27670  Euphorbia crenulata Carl W. Mize 1972-6-8 23 Siskiyou Along main trail 335 Comment
  RSA47787  Euphorbia crenulata Roxana S. Ferris, Laura Lorraine 1948-6-12 11849 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  CDA4824  Euphorbia cyparissias Don Shaw 1972-5-24 Siskiyou Brookside Avenue, Weed. 0 Comment
  HSC42923  Eurybia radulina Ken Stillman 1976-8-31 463 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC418830  Fallopia japonica var. japonica T. C. Fuller 1968-8-1 17452 Siskiyou Corner of Siskiyou Ave. & Interstate 5 freeway Comment
  SEINET10560462  Festuca californica A. Arthur Heller 1905-6-1 Heller 7944 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  CHSC91228  Festuca idahoensis Lowell Ahart; John Dittes 2005-6-10 12100 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC76644  Festuca idahoensis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC92559  Festuca idahoensis Jennifer Whipple 1977-8-4 2154 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  UCD66110  Festuca idahoensis Mr. Roseman 1913-1 18 Siskiyou Butte Valley. Comment
  CHSC105879  Festuca occidentalis Julie Kierstead Nelson 2008-7-12 2008 -003 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UCD66277  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  SEINET10929889  Festuca rubra var. megastachys A. Arthur Heller 1921-7-17 Heller 13580 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek, in the Hudsonian zone. 2286 Comment
  SJSU11321  Festuca subulata S. H. Casey 1981-7-4 1213 Siskiyou Seiad Creek Road near Cook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  CAS-BOT-BC437075  Fragaria vesca subsp. bracteata Alice Eastwood 1922-10-18 11517 Siskiyou Shasta Springs Comment
  CAS-BOT-BC447518  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  CAS-BOT-BC502839  Fritillaria atropurpurea Lillian Mott 1976-7-4 3 OLM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  UCD139666  Fritillaria atropurpurea J. M. Tucker; L. K. Mann 1963-7-7 3721 Siskiyou ca. 1/4 mile down the trail (north of) from the lake. Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UC164478  Fritillaria pudica Geo. D. Butler 1909-5-3 1089 Siskiyou near Yreka Comment
  RSA256590  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along Forest Service road 47N03, 1.4 mile northeast of Chandler Glade 1768 Comment
  SEINET3886831  Fritillaria recurva James F. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass road.; 0 Comment
  HSC68357  Galium aparine J. P. Smith 1973-5-5 6503 Siskiyou Along Cook and Green Pass Rd. Comment
  POM367777  Galium aparine M. B. Dunkle 1944-6-25 9016 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS25704  Galium bolanderi P. C. Hutchison 1961-5-22 2037 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  JEPS52697  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6138 Siskiyou 4.7 mi sw Callahan (on road to Cecilville, s-facing slope) Comment
  RSA756845  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 miles west of Mt. Shasta City Comment
  CAS-BOT-BC223194  Galium serpenticum subsp. scotticum L. B. Kildale 1930-6-1 9844 Siskiyou Mill Creek near Etna Mills 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
  POM358717  Gamochaeta ustulata Edwin Kline 1920-7-19 s.n. Siskiyou Siskiyou Mts. Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC876008  Garrya fremontii unknown 1941-9-16 16319 Siskiyou along Castle Lake Road Comment
  JEPS66603  Gaultheria ovatifolia J. G. Lemmon 1879-1 Siskiyou Sisson Comment
  CHSC88383  Gayophytum diffusum subsp. parviflorum Jenny Marr 1993-7-1 142 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC19481  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-7-24 1515 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  POM258618  Gayophytum heterozygum W. Bridge Cooke 1940-7-5 15293 Siskiyou Mount Shasta: along the road between Wagon Camp and Bear Springs. 1524 Comment
  HSC78249  Gayophytum humile L. P. Janeway 1983-7-3 367 Siskiyou NW of Poker Flat 1585 Comment
  JEPS83888  Gentiana calycosa Wayne Roderick Sep 1978 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mts. 1706 Comment
  SD76147  Gentiana calycosa Helen Witham 1969-10-4 546 Siskiyou Kangaroo Lake, Granite Cliffs, west face Comment
  SEINET8586245  Gentiana calycosa W. Roderick 1967-9-2 s.n. Siskiyou Mount Eddy, above Dead Fall Lakes. 2591 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
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  HSC530  Gentianopsis simplex William J. Ferlatte 1966-8-16 368 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  UC61084  Geranium oreganum W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC459352  Geum aleppicum Donald Myrick 1961-6-20 277 Siskiyou On road to Bear Springs, east of Mt. Shasta City 1371 Comment
  RSA237278  Gilia capitata Frederick W. Oettinger 1967-6-28 144 Siskiyou Along road 1/2 mile south of Kelly Gulch toward Sawyers. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 625 Comment
  RSA469337  Gilia capitata M. B. Dunkle 1945-1 9328 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  JEPS69526  Gilia capitata subsp. capitata W. L. Jepson 1907-7-5 2832 Siskiyou Marble Mt. Marble Mt. (w Siskiyou Co.) 2133 Comment
  HSC101471  Glyceria elata J. P. Smith, J. O. Sawyer 2011-7-21 13037 Siskiyou Near Dillon Camp 1358 Comment
  HSC90811  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  UCD85108  Glyceria elata AHM 1955-7-29 55 T Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  RSA239000  Glyceria striata Frederick W. Oettinger 1969-8-19 1468 Siskiyou Southwest of Arrow Peak, north of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1265380  Glyceria striata F. W. Oettinger and R. F. Thorne 1969-8-5 1202 Siskiyou Willow Spring Salmon Mountains (on trail from English Lake to Abbotts Upper Cabin, w Siskiyou County) 1676 Comment
  UC74051  Gnaphalium palustre T. H. Gilbert June 15 1899 - July 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC303202  Gnaphalium palustre Copeland 1903-10-5 3840 Siskiyou Igerma Comment
  POM56236  Gnaphalium palustre Geo D. Butler 1910-6-12 1560 Siskiyou Yreka Creek. Comment
  RSA237523  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  POM211383  Gnaphalium thermale L. C. Wheeler 1934-7-24 2958 Siskiyou Long John Creek, Siskiyou Mts. Mt. Diablo Meridian. 1402 Comment
  HSC29152  Goodyera oblongifolia Frederick W. Oettinger 1968-8-5 416 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  CAS-BOT-BC314630  Grindelia hirsutula L. E. Smith 1915-7-1 s.n. Siskiyou Montague Comment
  CDA37677  Gypsophila paniculata R. Breckenridge/D. Kratville 2002-6-2 s.n. Siskiyou Weed; College Ave. 0 Comment
  RSA167324  Hackelia micrantha Joseph P. Tracy 1951-6-16 19494 Siskiyou Summit of the Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line. Comment
  UC1190143  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC30106  Hastingsia alba Harley P. Chandler June 1901 1616 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  POM208384  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mountains; Mt. Diablo Meridian 1524 Comment
  RSA211315  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  JEPS84247  Hastingsia serpentinicola L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6362 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne Seiad Valley, e of Red Butte summit, w Cook and Green Pa 1900 Comment
  CAS-BOT-BC302428  Hazardia whitneyi Louis C. Wheeler 1934-8-5 3045 Siskiyou Klamath National Forest. Condrey Mt. 2164 Comment
  JEPS116588  Hazardia whitneyi var. discoidea Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake, headwaters of Middle Fork of upper Sacramento River Mt. Eddy 2103 Comment
  HSC69085  Helenium bigelovii Maralyn A. Renner 1980-8-4 2216 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC306754  Helenium bigelovii Ira L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  CAS-BOT-BC314842  Helianthella californica var. shastensis L. E. Smith 1913-6-12 361 Siskiyou Sisson Comment
  OBI55529  Helianthus bolanderi David J. Keil, Kathleen Keil 1992-7-21 23516 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC313461  Hemizonella minima Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  CAS-BOT-BC94810  Hemizonella minima R. C. Wenk 2005-6-17 165 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Cmpgrd. at S end of Big Flat Meadow 1517 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
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  HSC69727  Heracleum maximum Maralyn A. Renner 1980-7-15 1765 Siskiyou English Lake inlet 1780 Comment
  RSA237822  Heracleum maximum Frederick W. Oettinger 1967-8-3 237 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC86379  Hesperochiron californicus J. O. Sawyer 1983-6-20 4224 Siskiyou .1 mi. E of Scott Mtn. summit on Pacific Coast Trail Comment
  RSA256713  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  CDA15536  Heteromeles arbutifolia G. F. Hrusa 1998-7-5 14704 Siskiyou Siskiyou Mountains; Hwy 96 17.6 mi. W of Happy Camp. Comment
  CAS-BOT-BC311034  Heterotheca oregona var. compacta Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC311087  Heterotheca oregona var. rudis Annie M. Alexander; Louise Kellogg 1948-9-4 5580 Siskiyou Siskiyou Mountains. Salmon River Comment
  UC1557835  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-15 8462 Siskiyou w end Fort Jones (on CA-3 (about #600 Main St.)) 853 Comment
  CHSC71863  Heterotheca villosa var. minor Vernon H. Oswald; Lowell Ahart 1998-9-8 9607 Siskiyou USFS 3 ca. 0.1 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1127 Comment
  JEPS82435  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim; Marble Mt. Wilderness Area, Marble Mt. 2072 Comment
  UCD133103  Heterotheca villosa var. minor J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3753 Siskiyou southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC420738  Heuchera merriamii L. R. Short 1933-8-6 24 Siskiyou Klamath Forest 1889 Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  HSC42969  Heuchera micrantha J. O. Sawyer, Ken Stillman 1976-5-29 2747 Siskiyou Along Specimen Creek 1433 Comment
  CAS-BOT-BC420937  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC897800  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC67805  Hieracium horridum J. O. Sawyer, J. Cole 1980-7-22 3962 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC618648  Hieracium horridum unknown 1938-9-17 11703 Siskiyou canyon w Horse Camp (canyon below Horse Camp); Mount Shasta 2133 Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC897833  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  UC922284  Hieracium parryi Annie M. Alexander and Louise Kellogg 1949-7-20 5812 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  UC134363  Hieracium scouleri unknown 1892-6-28 Siskiyou Jaynesville Comment
  CDA12233  Holodiscus discolor G. F. Hrusa 1993-8-14 11401 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon, on Ca. side of state boundary. Comment
  RSA237610  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak. Salmon Mountains. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC4859  Holodiscus microphyllus var. glabrescens J. O. Sawyer 1968-6-18 227 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  CHSC91254  Hordeum murinum subsp. leporinum Lowell Ahart; John Dittes 2005-6-10 12067 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  NY436002  Horkelia brownii H. E. Brown 1897-7-15 530 Siskiyou South side Mt. Shasta. 1524.0 Comment
  CAS-BOT-BC143962  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1791 Siskiyou 4 miles n. of Weed Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  UC54352  Horkelia daucifolia H. M. Hall and E. B. Babcock June, 1903 4085 Siskiyou near Edgewood; Sierra Nevada, Mt. Shasta 1158 Comment
  JEPS25597  Horkelia fusca subsp. parviflora Rimo Bacigalupi 1959-7-2 7229 Siskiyou South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS95044  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8804 Siskiyou Forest Rte. 15 ca. 1 mi. s. Harris Spring 1463 Comment
  CAS-BOT-BC514289  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  JEPS69758  Horkelia tridentata W. B. and V. G. Cooke 1972-7-6 45457 Siskiyou along Mud Creek Dam Road Mt. Shasta 10 Comment
  CHSC882  Hosackia oblongifolia var. oblongifolia V. Holt 1937-5-8 Siskiyou Below Dunsmuir. 609 Comment
  SBBG25908  Hosackia oblongifolia var. oblongifolia D. Myrick 1966-8-10 1545 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC618665  Hulsea nana W. Bridge Cooke 1938-7-28 11363 Siskiyou North Ridges Comment
  POM260543  Hulsea nana W. Bridge Cooke 1939-7-26 s.n. Siskiyou Mount Shasta: scattered through the lava talus along the Summit Trail below Lake Helen Comment
  UC1046527  Hydrophyllum fendleri var. albifrons R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3451 Siskiyou Poker Flat Siskiyou Mountains (near summit of Takilma-Happy Camp Road over Siskiyou Mountains, at Del Norte-Siskiyou County line) 1630 Comment
  CHSC9500  Hydrophyllum occidentale J. F. Goodwin 1971-7-3 145 Siskiyou Southeast side of Castle Lake, 0.5 mi. south of Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  JEPS74524  Hydrophyllum occidentale W. J. Ferlatte 1966-6-22 90 Siskiyou South Fork of the Salmon River Trinity Alps (between the campground and Carter's) 1524 Comment
  RSA238848  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou NW of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1799 Comment
  HSC68559  Hypericum anagalloides Maralyn A. Renner 1980-6-26 1167 Siskiyou Flint Valley. 1390 Comment
  JEPS66821  Hypericum formosum var. scouleri Geo. D. Butler 1908-8-2 6 Siskiyou Log Lake 1371 Comment
  CAS-BOT-BC401283  Hypericum perforatum Carl B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp Comment
  JEPS5827  Idahoa scapigera J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  JEPS105408 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest. 1645 Comment
  RSA25624  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  HSC61922  Ipomopsis aggregata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC44589  Ipomopsis aggregata Laura Witherspoon 1977-7-13 Siskiyou 1/2 mi. before Flint Valley on the G-O Rd. 1220 Comment
  UCD118361  Ipomopsis aggregata subsp. aggregata K. M. Meyer; A. Townesmith 2007-7-29 172 Siskiyou Shasta-Trinity National Forest, 0.3 mile on 40N25 Road, off Siskiyou County Road, A10/Everitt Memorial Highway. 1805 Comment
  JEPS95608  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and L. Ahart 1994-8-10 6463 Siskiyou T40N R3W center Sec. 16, 5200 ft, Montane Chaparral. FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud 1584 Comment
  POM75574  Ipomopsis aggregata subsp. formosissima Geo D. Butler 1910-7-12 1744 Siskiyou Shackleford Creek. 1220 Comment
  HSC76648  Ipomopsis congesta K. T. Stillman 1976-8-7 176 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  UC722674  Ipomopsis congesta C. L. Hitchcock and J. S. Martin 1939-7-9 5306 Siskiyou n side Black Mtn (near Marble Mt. (King's Castle)) 2072 Comment
  UCD118372  Ipomopsis congesta J. M. Tucker 1963-8-18 3759 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC133543  Iris hartwegii W. R. Dudley 1893-6-12 s.n. Siskiyou Wm. Creek Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  CAS-BOT-BC133696  Iris tenax Marc Baker 1980-6-20 2182 Siskiyou Near Bald Mountain 274 Comment
  SEINET6373100  Isatis tinctoria Barbara L. Wilson, Richard E. Brainerd 2010-1 16199 Siskiyou closed road near south edge of Black Butte, north of the dump. Comment
  CAS-BOT-BC88664  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  CDA3764  Isatis tinctoria T. C. Fuller, W. T. Parsons 1960-7-25 4870 Siskiyou 2 miles northwest of Ft. Jones, Scott Valley. 0 Comment
  UC165296  Isopyrum stipitatum Geo. D. Butler 1909-2-28 584 Siskiyou near Yreka; near Yreka Comment
  RSA161166  Ivesia gordonii var. ursinorum Peter H. Raven 1956-9-4 10422 Siskiyou Summit of Mt. Eddy. 2759 Comment
  JEPS116580  Juncus Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -021 Siskiyou The Eddys, west of Mt. Shasta. wet seep adjacent to unmamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N of Middle Fork crossing; Mt. Eddy 1693 Comment
  CAS-BOT-BC110017  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  JEPS66923  Juncus bufonius Geo. D. Butler 1908-7-9 8 Siskiyou near Yreka (Butler Ranch) Comment
  UC75259  Juncus bufonius Copeland 1903-7-7 3555 Siskiyou Hornbrook Comment
  RSA44498  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  JEPS24611  Juncus ensifolius Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6764 Siskiyou in the 1.5 mi stretch between Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs (along S.P. (Shasta Route) railway grade); Upper Sacramento River Canyon 731 Comment
  HSC60812  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS63841  Juncus exiguus B. C. Goldsmith 1916-10-10 36 Siskiyou Widow Creek Mt. Shasta 1341 Comment
  RSA597972  Juncus mertensianus L. C. Wheeler 1963-8-31 8317 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC30707  Juncus nevadensis var. nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou Sundew Bog, W of English Lake 1829 Comment
  RSA238913  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UCD77271  Juncus parryi Robert E. Preston 2001-6-23 1580 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  RSA240065  Juncus xiphioides Frederick W. Oettinger 1969-8-12 1335 Siskiyou Near The Cedars on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  UC618883  Juniperus communis unknown 1938-9-8 11644 Siskiyou n side of Red Butte Mt. Shasta, Red Butte (just below timberline in an Arctic-Alpine habitat) Comment
  CAS-BOT-BC81243  Juniperus occidentalis W. R. Dudley 1899-8-21 s.n. Siskiyou Along the stage road to Callahan's (Willow Creek) Comment
  POM21709  Juniperus occidentalis var. occidentalis E. B. Copeland 1903-7-4 3545 Siskiyou Klamathon Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  CAS-BOT-BC56350  Kalmia microphylla subsp. microphylla Dorothy Parker 1950-6-4 445 Siskiyou in the Salmon Mountain Range 1920 Comment
  UCR39769  Kalmia polifolia subsp. microphylla J. O. Sawyer 1968-7-2 366 Siskiyou Upper drainage of Joe Creek 1738 Comment
  UC335726  Keckiella breviflora J. G. Lemmon Oct 1889 Siskiyou near Dunsmuir (Soda Spring); Soda Spring Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  RSA239005  Keckiella corymbosa Frederick W. Oettinger 1966-7-19 31 Siskiyou North river bank of South Fork of Salmon River, 100 yards downstream from rock cut by river. Comment
  HSC8130  Kelloggia galioides Richard Spjut 1970-7-17 464 Siskiyou 16 mi. W of Mt. Shasta Lake, in campground at lake 1829 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  UC625520  Kelloggia galioides Frank W. Gould 1938-6-27 477 Siskiyou 3 mi n Mt. Shasta (town) (near the highway) 1082 Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  UC1037107  Koeleria macrantha Leo Whitney 1934-6-29 2293 Siskiyou Tennant 1524 Comment
  CAS-BOT-BC340365  Kyhosia bolanderi Doris K. Kildale 1928-8-18 6488 Siskiyou Head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  HSC29125  Kyhosia bolanderi Frederick W. Oettinger 1968-8-11 484 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: At Tom Taylor Cabin spring. 2043 Comment
  JEPS25832  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  CAS-BOT-BC340612  Lactuca serriola Lewis S. Rose 1926-7-29 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC341702  Lagophylla ramosissima H. M. Hall 1919-10-2 s.n. Siskiyou Near Weed 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
  UC2026967  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  SEINET5327268  Lathyrus jepsonii var. californicus R. McKee 1915-6-29 s.n. Siskiyou Dunsmuir Comment
  HSC71346  Lathyrus lanszwertii var. lanszwertii J. P. Smith 1976-5-21 8778 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  RSA0069323  Lathyrus nevadensis subsp. nevadensis Dean Wm. Taylor, Tom Engstrom 2005-7-12 19384 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  POM253569  Lathyrus polyphyllus C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5209 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  SEINET7042781  Lepidium campestre A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  HSC6831  Lepidium perfoliatum R. C. Wunner 1965-6-13 153 Siskiyou California Lava Beds National Monument, across Devil's Homestead 1296 Comment
  UCD77251  Leptosiphon ciliatus Robert E. Preston 2002-6-20 1848 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  UCSB7737  Leptosiphon ciliatus Hardham, Clare 1961-6-30 Siskiyou White Mt. 1828 Comment
  HSC17105  Leptosiphon harknessii L. C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek, Sterling Mtn. 1677 Comment
  RSA237969  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC40875  Leptosiphon nuttallii J. O. Sawyer 1973-7-18 2548 Siskiyou Little N Fork trail 1890 Comment
  CAS-BOT-BC225663  Leptosiphon rattanii Volney Rattan 1903-1-1 s.n. Siskiyou Willow Creek Mountain Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  HSC8217  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1972-9-14 5801 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC306184  Lessingia nemaclada G. B. Grant 1902-9-11 5213 Siskiyou Dunsmuir Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  HSC2262  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley. Comment
  POM256458  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  UC1557830  Lessingia nemaclada J. Semple, S. Heard 1986-8-16 8467 Siskiyou 1.6 km w Horse Creek (CA-96, before CA-3) Comment
  CAS-BOT-BC342103  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  SEINET2030161 Image available Leucothoe davisiae Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lakes Comment
  CAS-BOT-BC229453  Lewisia cotyledon Mrs. A. E. Stonehouse 1917-6-1 s.n. Siskiyou Hilts [Hilt] Comment
  RSA183694  Lewisia cotyledon Gilbert Muth 1965-8-5 306 Siskiyou Steep alpine slope, N slope of Marble Rim, near Black Mtn Comment
  JEPS17291  Lewisia leeana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  RSA65683  Lewisia leeana Dorothy Tebbe 1929-7-22 10902 Siskiyou Rocky summits just above Crater Lake, Mt. Eddy. 1982 Comment
  CAS-BOT-BC283731  Leymus condensatus Louis C. Wheeler 1934-9-22 3292 Siskiyou Klamath National Forest 518 Comment
  UCD65583  Leymus triticoides August L. Hormay 1932-7-15 s.n. Siskiyou Weed Valley. Comment
  UCD65623  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou Low land near Yreka. Comment
  RSA237214  Ligusticum californicum Frederick W. Oettinger 1968-8-3 381 Siskiyou Forest at Base Camp Meadow midway down Diamond Lake-Hancock Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  JEPS61988  Lilium columbianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC508257  Lilium columbianum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch,northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC509366  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC130818  Lilium pardalinum Ira L. Wiggins 1955-7-21 13425 Siskiyou Along ditch bank near Mt. View ranch 7 mi. above Cecilville on S Fork Salmon River 975 Comment
  SEINET8263373  Lilium pardalinum Frank Callahan 1990-7-14 Siskiyou south slope of Mt. Shasta, Wagon Camp Meadows below lower McGinnis springs. 1762 Comment
  HSC2242  Lilium pardalinum subsp. vollmeri Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  RSA12671  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  SEINET8480955  Lilium washingtonianum W. Roderick 1967-7-28 s.n. Siskiyou SW side of Mount Shasta. 1372 Comment
  CAS-BOT-BC133098  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC133106  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1917-9-2 6706 Siskiyou Shasta Springs Comment
  JEPS62032  Lilium washingtonianum subsp. washingtonianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  UC23467  Linanthus ciliatus Harley P. Chandler Jun 1901 1643 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  JEPS58437  Linanthus harknessii W. L. Jepson 1940-7-3 20115 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC1299614  Linanthus harknessii Freed W. Hoffman 1951-7-15 4036 Siskiyou w side Kelsey Creek (at Hammond Camp, w Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  CDA6297  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-3 4645 Siskiyou Juniper Lodge, Highway 97, ca. 6 miles south of Macdoel. 0 Comment
  JEPS125848  Linaria vulgaris Dean W. Taylor 1996-6-24 15742 Siskiyou Klamath River canyon near Oregon State line Comment
  UC535885  Linum lewisii Elmer I. Applegate 1923-8-20 3898 Siskiyou Medicine Lake Comment
  RSA761684  Linum lewisii Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63354 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC22236  Listera convallarioides J. O. Sawyer 1969-8-4 1886 Siskiyou Above S Sugar Lake 2043 Comment
  UC336569  Listera convallarioides unknown July 1878 Siskiyou near Mt. Shasta 2133 Comment
  CAS-BOT-BC36009  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CHSC27759  Lithophragma glabrum William Frank 1978-4-1 3 Siskiyou Scattered throughout foothills facing s Lake Shastina via public fishing access road ca. 3 miles to end. Comment
  UC1167563  Lithophragma glabrum Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 244 Siskiyou on US Highway 99, 4.5 mi n Yreka City limits 914 Comment
  HSC41474  Lithophragma heterophyllum Ed Cope 1977-7-16 129 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  CAS-BOT-BC317338  Lithospermum californicum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC27650  Lithospermum californicum Carl W. Mize 1972-6-8 13 Siskiyou Along Wooley Creek Trail 328 Comment
  SEINET10497325  Lithospermum californicum Mary Susan Taylor 1980-7-8 Taylor 3088 Siskiyou T40N R4W sec 32, Weed quad; Shastan Trinity Natl Forest; on N side of Castle Laek Rd (39N24), ca. 0.9 mi W of its jct with 40N26 at SE side of Lake Siskiyou. 1036 Comment
  UCD66463  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou Abrams Lake, near Sisson. Comment
  UC165429  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  JEPS16239  Lomatium dissectum var. dissectum Geo. D. Butler 1909-5-8 746 Siskiyou Yreka hills Comment
  UC1731419  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  CAS-BOT-BC211136  Lomatium engelmannii A. A. Heller 1922-7-3 13676 Siskiyou West of Wagon Creek 2286 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  CDA38464  Lomatium macrocarpum T. C. Fuller 1958-6-19 1799 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS25670  Lomatium macrocarpum Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7313 Siskiyou jeep rd. between Poker Flat and Twin Valley (ridge top marking Del Norte-Siskiyou Co. boundary); Siskiyou Mts., Del Norte-Siskiyou Co. boundary 1664 Comment
  UC21098  Lomatium nudicaule W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mt. Shasta, Sisson Comment
  JEPS17003  Lomatium piperi J. W. Kisling March, 1910 Siskiyou Edgewood Comment
  HSC4901  Lonicera conjugialis J. O. Sawyer 1968-7-10 467 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC4904  Lonicera conjugialis J. O. Sawyer 1968-6-25 291 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC58854  Lonicera conjugialis Marvin Butler 1971-7-19 158 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  UC1408786  Lonicera conjugialis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1275 Siskiyou se side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  UC1174943  Lonicera hispidula var. vacillans P. C. Everett and E. K. Balls 1959-10-24 23943 Siskiyou 3 mi sw Red Bank F.S. Camp (along road from Sawyers Bar to Somesbar) 518 Comment
  SEINET3154559  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou margin of Shackleford creek 1219 Comment
  CAS-BOT-BC243922  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  JEPS75367  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-2 394 Siskiyou Shackleford Creek Quartz Valley Comment
  UC917242  Lotus nevadensis var. nevadensis R. Tofsrud and J. M. Tucker 1948-8-2 1756 Siskiyou outskirts of McCloud McCloud Comment
  RSA211170  Lotus oblongifolius William J. Ferlatte 1966-8-18 412 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA756209  Lotus pinnatus Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9355 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  RSA273325  Lotus unifoliolatus J. P. Smith, J. O. Sawyer 1972-9-14 5805 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  HSC76969  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 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
  POM257741  Luetkea pectinata C. Leo Hitchcock 1939-7-9 5328 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  UC1360423  Luetkea pectinata Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e of Marble Mountain (along trail from Marble Mountain to Sky High Lake); Marble Mountains 1975 Comment
  UCD113635  Luetkea pectinata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  SD87754  Luina hypoleuca Frank W. Peirson 1926-7-10 7021 Siskiyou Yreka; mountain range west of Yreka 1370 Comment
  HSC29123  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NE of Diamond Lake 2082 Comment
  UC725972  Lupinus A. A. Heller 1929-5-4 14860 Siskiyou Yreka Shasta River (Shasta River) Comment
  OBI53778  Lupinus David J. Keil 1992-7-20 23476 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  HSC71652  Lupinus adsurgens J. P. Smith, Steve Selva 1970-6-16 4004 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS85699  Lupinus albicaulis Geo. D. Butler 1908-8-3 372 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  CDA27358  Lupinus albicaulis T. C. Fuller 1974-9-24 20030 Siskiyou Summit of Siskiyou Mountains above Reeves Ranch Spring. 0 Comment
  UC1481906  Lupinus albifrons K. Morris, Dunn and Kenney 1973-6-2 370 Siskiyou on s side of Hwy 3, 22 mi e Fort Jones; e of Fort Jones Comment
  UC157010  Lupinus albifrons var. albifrons Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka Comment
  CAS-BOT-BC195957  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Near Fort Jones Comment
  CHSC900  Lupinus albifrons var. collinus V. Holt 1937-5-5 Siskiyou Below Dunsmuir. 609 Comment
  POM10798  Lupinus albifrons var. flumineus E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  SEINET10871220  Lupinus arbustus subsp. silvicola Charles Piper Smith 1947-5-13 Smith 47276 Siskiyou 6.3 miles e of weed. Hwy 97 Comment
  UC156981  Lupinus argenteus Geo. D. Butler 1910-8-18 1842 Siskiyou Shasta Valley Comment
  RSA91209  Lupinus argenteus var. argenteus F. W. Peirson 1923-7-19 3609 Siskiyou Lairds Landing. Comment
  CAS-BOT-BC196692  Lupinus breweri var. breweri Marion Ownbey; Ruth P. Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  CAS-BOT-BC215101  Lupinus croceus John Thomas Howell 1937-7-1 13314 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  JEPS93185  Lupinus lapidicola J. Greenhouse 1997-7-4 Siskiyou along dirt road about 3 1/2 mi w of Cook and Greene Pass Comment
  SDSU4985  Lupinus lapidicola D. F. Howe 1972-7-4 4869 Siskiyou Ranger Peak road, stoney hilltop just south of Del Norte, marker near Youngs Valley. 1737 Comment
  HSC2367  Lupinus latifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek 2134 Comment
  HSC63294  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1068 Siskiyou 1900 Comment
  UC865221  Lupinus latifolius var. viridifolius W. Bridge Cooke 1941-6-7 16009 Siskiyou near the e base Mt. Eddy; near the e base of Mt. Eddy Comment
  SEINET194957  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou Border of a meadow east of Deer Mountain on the old U.S. Highway 97, toward Bray. 1402 Comment
  SBBG47507  Lupinus lepidus var. lobbii M. B. Dunkle -Aug-1945 9285 Siskiyou Kings Castle, Marble Mtns Comment
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Jul 11 2010
  CHSC48564  Lupinus lepidus var. sellulus Vernon Oswald 1986-5-29 2072 Siskiyou Hwy 97 between Macdoel and Hebron Summit, 31.5 mi ne of Weed. 1219 Comment
  SBBG10909  Lupinus lepidus var. sellulus H. and M. Dearing 1939-6-28 2180 Siskiyou McCloud Comment
  UC146924  Lupinus lepidus var. sellulus Harley P. Chandler June, 1901 1727 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  UC157002  Lupinus leucophyllus Geo. D. Butler 1908-7-16 365 Siskiyou Klamath River Comment
  UC1401211  Lupinus luteolus K. Morris, LeDoux and Dunn 1973-6-2 337 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  UC82247  Lupinus luteolus Dr. E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  HSC45900  Lupinus luteolus Laura Witherspoon 1978-8-24 107 Siskiyou Klamath National Forest 1646 Comment
  SBBG45486  Lupinus obtusilobus H. and M. Dearing 1948-9-12 6728 Siskiyou Mount Shasta 2316 Comment
  UCD109316  Lupinus obtusilobus E. Whitney 1934-6-17 s.n. Siskiyou Mt. Shasta. 2133 Comment
  CAS-BOT-BC7542  Lupinus onustus Amos Arthur Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  CDA27472  Lupinus onustus T. C. Fuller 1974-9-24 20020 Siskiyou Reeves Ranch Spring, south slope of the Siskiyou Mountains. 0 Comment
  SEINET11072098 Image available Lupinus onustus A. A. Heller 1905-1 21994 Siskiyou Near Sisson Comment
  HSC71358  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-7-17 4441 Siskiyou 915 Comment
  RSA414231  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-7-24 9247 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  CHSC71482  Lupinus polyphyllus var. burkei Vernon H. Oswald; Lowell Ahart 1998-7-21 9330 Siskiyou Northeast of Weed on Tennant Rd. 4.5 mi east of Hwy. 97, 0.5 mi west of the Old State Hwy. to Bray. In a meadow. 1417 Comment
  SD88330  Lupinus sellulus Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 4000 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  HSC41639  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-9-2 1760 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  RSA296805  Lupinus subvexus var. subvexus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills near Yreka. Comment
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  HSC660  Luzula comosa William J. Ferlatte 1967-7-8 675 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  HSC92875  Luzula comosa Jennifer Whipple 1978-7-20 2362 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  CAS-BOT-BC540705  Luzula comosa var. laxa Dana York 2012-7-21 3137 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  RSA605980  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  HSC68526  Luzula parviflora Maralyn A. Renner 1980-6-24 1021 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  HSC2378  Luzula piperi William J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mtn. 2470 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
  HSC81980  Madia elegans Thomas W. Nelson, Jane P. Nelson 1979-6-16 4859 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC344008  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath National Forest. Klamath River 548 Comment
  CAS-BOT-BC344010  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  JEPS15376  Madia elegans Douglas Barbe 1955-7-7 141 Siskiyou e side Forest Camp; Klamath Mountains, Etna 883 Comment
  JEPS94784  Madia exigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9355 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CAS-BOT-BC344542  Madia exigua L. E. Smith 1913-6-12 353 Siskiyou Sulloway Creek Comment
  OBI55544  Madia glomerata David J. Keil, Kathleen Keil 1992-7-24 23569 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  POM30810  Madia minima Geo D. Butler 1909-4-25 620 Siskiyou Quartz Valley. Comment
  RSA21196  Mahonia aquifolium C. B. Wolf 1937-8-9 9084 Siskiyou Siskiyou Mts., 4 7/10 mi. from Oak Knoll Ranger Station on road to Dry Lake Lookout. 1220 Comment
  RSA96933  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mi. north of Walker. 549 Comment
  POM97711  Mahonia nervosa Geo. D. Butler 1910-5-5 1287 .5 Siskiyou Humbug Mountain. Comment
  HSC18917  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-6-18 173 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CHSC2310  Maianthemum stellatum M. Yoder 1941-7-21 Siskiyou Castle Lake. 1950 Comment
  UC1714366  Marrubium vulgare W. Bridge Cooke 1940-8-2 15392 Siskiyou Wagon Camp road above Howard (Mount Shasta); Mount Shasta Comment
  CHSC71466  Marsilea vestita subsp. vestita Vernon H. Oswald; Lowell Ahart 1998-7-21 9337 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  RSA602387  Melica spectabilis L. C. Wheeler 1935-7-26 3701 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  RSA45309  Mentha canadensis Dorothy Parker 1946-9-3 s.n. Siskiyou Plowman s Valley 1189 Comment
  UC1368674  Mentzelia albicaulis W. B. and V. G. Cooke 1968-7-1 39231 Siskiyou n side Mt. Shasta (Along Andesite Road) 1524 Comment
  UCR143059  Mentzelia dispersa L. C. Wheeler 1934-7-5 2884 Siskiyou Siskiyou Mtns., Hungry Creek 976 Comment
  CAS-BOT-BC428546  Micranthes aprica H. E. Brown 1897-6-15 467 Siskiyou North side Mt. Shasta 3048 Comment
  CDA8393  Microseris nutans T. C. Fuller 1962-6-13 8979 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  HSC22304  Microseris nutans J. O. Sawyer 1969-7-11 1322 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  RSA755951  Microseris nutans R. F. Thorne 1969-8-2 63352 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC60800  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC726472  Mimulus arvensis A. A. Heller 1919-6-20 13526 Siskiyou Metcalf's Comment
  SFV8317  Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area. Haypress Meadows. 1463 Comment
  UC1409383  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou vicinity English Peak (English Lake, main camp site); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD122461  Mimulus breweri John M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  HSC29399  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou High Lake Basins: main camp site, English Lake 1829 Comment
  HSC61898  Mimulus breweri Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  POM43496  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek. Comment
  RSA447947  Mimulus guttatus M. B. Dunkle 1944-7-18 9137 Siskiyou Siskiyou National Forest. Comment
  SEINET8383461  Mimulus guttatus L. E. Detling 1947-6-3 6082 Siskiyou Elk Cr., 1 1/2 mi. s.e. of Happy Camp. Comment
  UC164369  Mimulus layneae Geo. D. Butler 1910-9-11 1865 Siskiyou Weed Comment
  JEPS95062  Mimulus mephiticus Vernon Oswald and Lowell Ahart 1997-7-28 8774 Siskiyou 16 mi. s. Medicine Lake (Forest Rte. 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte)) 1365 Comment
  UC27060  Mimulus moniliformis F. W. Morse July, 1886 Siskiyou Shasta Comment
  HSC61894  Mimulus moschatus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  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
  JEPS47723  Mimulus nanus var. nanus W. B. and V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station; Mt. Shasta 1676 Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  UC164372  Mimulus primuloides Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek 1219 Comment
  JEPS82494  Mimulus primuloides subsp. primuloides Gilbert Muth 1965-8-3 156 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  SEINET10756245 Image available Mimulus primuloides var. linearifolius A. Arthur Heller 1915-8-26 Heller 12224 Siskiyou Heather meadow near the head of Wagon creek canon, Mt. Eddy. Pinus monticola is the only tree on the adjacent slopes. 2591 Comment
  RSA237541  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1969-7-29 1099 Siskiyou Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1982 Comment
  UC618709  Mimulus tilingii W. Bridge Cooke 1938-8-18 11483 Siskiyou above Horse Camp (on Summit Trail); Mount Shasta, Horse Camp Springs Comment
  UC144462  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou between Igerna and Weed Comment
  CHSC71571  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1998-8-3 9450 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. On slope below the road. 1767 Comment
  HSC101484  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13001 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  UC584339  Minuartia nuttallii subsp. gregaria G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2457 Siskiyou along road from Callahan to Carrville (s side of mt., about 1 1/2 mi s of summit); Scott Mt. 1515 Comment
  CAS-BOT-BC181107  Minuartia nuttallii var. gregaria Gilbert J. Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge 2316 Comment
  CDA36063  Mirabilis greenei CDFA Staff 1985-5-8 Siskiyou Copco Lake Road. 0 Comment
  POM266000  Mirabilis greenei Lincoln Constance, Reed Rollins 1942-5-14 s.n. Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  HSC4893  Mitella diversifolia J. O. Sawyer 1968-6-19 251 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  CAS-BOT-BC433017  Mitella diversifolia D. E. Breedlove 1962-6-11 3350 Siskiyou Bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS1217  Mitella pentandra Freed Hoffman 1951-7-12 4034 c Siskiyou Hammond's Stock-raising Camp Marble Mountains, Kelsey Creek (about 8 mi above Scott River, w Siskiyou Co.) 1524 Comment
  RSA238321  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Midway between Diamon Lake and Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2012 Comment
  CAS-BOT-BC433076  Mitella trifida John Thomas Howell 1937-7-22 13261 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  UCD125283  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1920 Comment
  CHSC766  Monardella odoratissima subsp. glauca M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC220369  Monardella odoratissima subsp. pallida A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC222172  Monardella odoratissima subsp. pallida W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  JEPS63390  Monardella odoratissima subsp. pallida Geo. D. Butler 1908-8-3 167 Siskiyou near Log Lake; Shackelford Creek 1524 Comment
  JEPS63424  Monardella odoratissima subsp. pallida W. L. Jepson 1894-8-4 59 f Siskiyou Mt. Shasta Comment
  SEINET10582083  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 348 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
  SEINET10582085  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 350 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
  UCSB63904  Monardella odoratissima subsp. pallida Oswald, Vernon; Ahart, Lowell 1997-7-28 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: T42N R4E NE1/4 NE1/4 Sect. 6, Yellow Pine Forest 1755 Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  RSA238383  Monotropa hypopitys Frederick W. Oettinger 1969-8-19 1469 Siskiyou Between Charmain Lake and Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA604349  Monotropa hypopitys A. Sanger 1997-8-22 2608 Siskiyou Medicine Lake Highlands, along the road to Alcohol Crater plast the sump pond, south side of the road. 2146 Comment
  CHSC71317  Montia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9204 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Common in low scrub bordering the lake. 1402 Comment
  HSC138  Montia parvifolia William J. Ferlatte 1966-8-3 274 Siskiyou Josephine Lake basin 1677 Comment
  HSC22224  Montia parvifolia J. O. Sawyer 1969-7-10 1302 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  POM253654  Montia parvifolia C. L. Hitchcock 1939-7-7 5288 Siskiyou Sanger Peak. 1780 Comment
  CAS-BOT-BC445204  Montia parvifolia W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag, region of Mt. Shasta Comment
  UCD37088  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Siskiyou County, southeast base of White Ridge, canyon of south fork of Sacramento River. 1371 Comment
  CAS-BOT-BC267049  Muhlenbergia filiformis Doris K. Kildale 1928-8-18 6469 Siskiyou Near head of N Fork of Salmon River at Finley's Upper Camp Comment
  CHSC61580  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  RSA115546  Muhlenbergia filiformis Beecher Crampton 1956-8-22 3859 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  HSC22176  Muhlenbergia montana J. O. Sawyer 1969-8-4 1881 Siskiyou SE slope above S Sugar Lake 2165 Comment
  UCR21088  Muilla transmontana T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CHSC71288  Myosotis discolor Vernon H. Oswald; Lowell Ahart 1998-6-11 9211 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  CDA34725  Myosotis laxa L. Ahart, John Dittes 2010-7-3 16944 Siskiyou About 30 yards south 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. Comment
  JEPS20036  Myosurus minimus George D. Butler 1909-4-4 551 Siskiyou Block 5, Yreka Yreka Comment
  JEPS32025  Nama densa W. B. and V. G. Cooke 1963-7-10 34266 Siskiyou in Bolam logging Road , Bolam logging Road (n side Mt. Shasta) 1828 Comment
  UCD77882  Nama densa Robert E. Preston 1997-6-1 1037 Siskiyou 100 ft n of Hwy 97. 1402 Comment
  CHSC4554  Nama lobbii J. E. Bowlin 1967-7-18 41 Siskiyou On roadside, ca. 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  JEPS70297  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou Woolly Creek (at head of, near lake) Woolly Creek 1676 Comment
  POM74489  Navarretia intertexta Edward Palmer 1892-7-13 2451 Siskiyou Mt. Shasta and vicinity. Comment
  UC23429  Navarretia leptalea subsp. leptalea F. W. Morse July, 1886 Siskiyou at Shasta Comment
  JEPS81654  Navarretia leucocephala subsp. leucocephala L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  HSC13616  Nemophila heterophylla L. C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek 854 Comment
  POM216006  Nemophila parviflora var. austiniae Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  POM73591  Nemophila parviflora var. austiniae Geo. D. Butler 1910-04 1231 Siskiyou Quartz Valley. Comment
  HSC43147  Nicotiana acuminata Ken Stillman 1976-8-24 423 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC77354  Nicotiana acuminata var. multiflora L. P. Janeway 1983-7-30 467 Siskiyou Near S side of Klamath River, 3 mi. E of Copco Lake (River Access No. 4) 777 Comment
  SEINET6174145  Nicotiana attenuata G. D. Butler 1910-7-1 1618 Siskiyou Dry field near Yreka. Comment
  UCSB24730  Noccaea fendleri Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of the city of Mt. Shasta 1828 Comment
  CAS-BOT-BC60567  Noccaea fendleri subsp. glauca Alice Eastwood 1912-7-23 1330 Siskiyou Cantara. Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 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
  HSC23605  Nothochelone nemorosa J. O. Sawyer 1970-7-15 2349 Siskiyou Above Bear Lake 1585 Comment
  HSC58839  Nothochelone nemorosa Marvin Butler 1971-7-29 228 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  NY790540  Nothochelone nemorosa J. P. Tracy 1935-8-1 14420 Siskiyou Head of Knownothing Creek. 1 mile northeast of Summit Mine, 3 miles southeast of Salmon Summit. 1767.8 Comment
  UC582585  Nothochelone nemorosa Joseph P. Tracy 1935-8-1 14420 Siskiyou 1 mi ne of Summit Mine (3 mi se of Salmon Summit, Head of Knownothing Creek); Head of Knownothing Creek 1767 Comment
  RSA0013797  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Pond due W of the W cove of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC140350  Oemleria cerasiformis A. M. Vollmer; L. Beane 1951-6-2 88 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA60643  Oenothera deltoides subsp. piperi Dorothy Parker 1948-6-22 27 Siskiyou Between Dorris and Macdoel, Butte Valley 1220 Comment
  SEINET3150351  Oenothera hookeri G. D. Butler 1910-7-30 1799 Siskiyou Yneka Creek Comment
  UCD134658  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou along road Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  CHSC91259  Opuntia fragilis Lowell Ahart; John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA64022  Opuntia fragilis C. B. Wolf 1944-10-28 11477 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague). Comment
  HSC96420  Oreostemma alpigenum Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC355593  Oreostemma alpigenum var. andersonii Doris K. Kildale 1929-8-24 9108 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC24897  Oreostemma alpigenum var. andersonii Richard Spjut 1970-7-17 449 Siskiyou Edges of Gumboot Lake, Scott Mtns. 1829 Comment
  SD211534  Oreostemma alpigenum var. andersonii Barbara Ertter, Julie Kierstead et al 1990-7-15 9357 Siskiyou Morgan Meadows on East side of Mount Eddy circa 5 airmiles due West of Mount Shasta City 1676 Comment
  SEINET5708888 Image available Oreostemma alpigenum var. andersonii Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7704 Siskiyou Scott Mts. Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Springs road.; Scott Mountains 2036 Comment
  JEPS24818  Oreostemma alpigenum var. andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6834 Siskiyou just below and n of Scott Mtn. Road summit; Scott Mtn. 1615 Comment
  UC139217  Orobanche fasciculata R. M. Austin Aug 1878 251 Siskiyou Mount Eddy. Comment
  RSA0066440  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Along trail from Tom Taylor cabin to Pine Lake. 2004 Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  HSC19206  Orthilia secunda J. O. Sawyer 1968-6-18 236 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC803  Orthilia secunda William J. Ferlatte 1967-7-25 714 Siskiyou N side of Caribou Mtn. 1982 Comment
  RSA0083187  Orthilia secunda L. C. Wheeler 1934-6-23 2772 Siskiyou Hungry Creek, Siskiyou Mts. 1128 Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  HSC95774  Orthocarpus cuspidatus subsp. copelandii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 170 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  JEPS84024  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from of Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  RSA182028  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg 1953-8-8 116 Siskiyou Scott Mountain Public Campground, Klamath National Forest. 1631 Comment
  RSA259555  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  JEPS84026  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  RSA749251  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  UC199367  Orthocarpus imbricatus H. W. Furlong Sept 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  UC110977  Orthocarpus pachystachyus H. E. Brown Jun 1-15 1897 449 Siskiyou n side Mt. Shasta Comment
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Jun 23 2016
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  POM133073  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  CAS-BOT-BC413214  Oxyria digyna Gilbert J. Muth 1969-8-6 1225 Siskiyou Boulder Peak Ridge Comment
  JEPS13482  Packera streptanthifolia Milo S. Baker 1955-6-26 13076 Siskiyou 4 mi w Gazelle (on Highway 99); Klamath Mountains, Great Basin 914 Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  CAS-BOT-BC253766  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles SW of Mount Shasta City Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  UC858265  Parnassia californica Alice Eastwood 1912-8-30 2045 Siskiyou Mount Eddy Comment
  RSA211096  Parnassia cirrata var. intermedia William J. Ferlatte 1967-8-20 1060 Siskiyou A flora of the Trinity Alps: Caribou Basin, Sawtooth Ridge; Steep north facing slope. 2043 Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC175605  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  CDA34723  Pastinaca sativa L. Ahart, John Dittes 2010-7-3 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south the Shasta River, about 300 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. Comment
  HSC48275  Paxistima myrsinites P. Stekel, K. Stillman May 1977 232 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  SBBG4073  Paxistima myrsinites K. K. Muller 1954-6-23 647 Siskiyou Siskiyou Mtns 1.8 mi below summit, 3.5 mi S of Oregon line on rd to Happy Camp Comment
  SBBG4075  Paxistima myrsinites H. and M. Dearing 1939-7-2 3802 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC202863  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  HSC91018  Pedicularis attollens Jennifer Whipple 1977-7-21 2014 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC266658  Pedicularis contorta H. A. Thomas; J. H. Thomas 1954-7-24 4491 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS82130  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  UC1483483  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley; Klamath National Forest 1524 Comment
  RSA12627  Pedicularis racemosa Carl B. Wolf 1934-7-5 5958 Siskiyou 6.8 miles from Dry Lake Lookout on rd to Horse Creek, Siskiyou Mts. 1829 Comment
  POM237116  Pedicularis racemosa Lester Rowntree 1937-8-9 7648 Siskiyou Summit of Happy Camp Rd. Comment
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Feb 3 2011
  RSA183699  Pedicularis racemosa Gilbert Muth 1965-8-3 159 Siskiyou Marble Valley, Marble Mtns. Comment
  RSA184652  Pedicularis racemosa Clare B. Hardham 1965-8-20 13025 Siskiyou Marble Mountains. Granite [trail]. Near Cudahy Lakes. 1220 Comment
  RSA425342  Pedicularis racemosa M. B. Dunkle 1944-8-25 9175 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  UC618697  Pellaea brachyptera W. Bridge Cooke 1938-6-17 11036 Siskiyou Mt Shasta along Sisson Southern Trail Mt Shasta 1371 Comment
  HSC69289  Penstemon anguineus Maralyn A. Renner 1980-7-24 1948 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS125  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  UC1408762  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou ridge between English Peak and Charmaine Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2023 Comment
  UC922585  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-8 5597 Siskiyou top of grade between Sawyers Bar and Etna; between Sawyers Bar and Etna Comment
  CAS-BOT-BC27115  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Indian Creek Comment
  RSA138224  Penstemon anguineus Percy C. Everett, E. K. Balls 1959-10-23 23941 Siskiyou 4.6 miles SW from Etna on rd from Callaban to Somesbar. Salmon Mtns. 1768 Comment
  RSA165522  Penstemon anguineus Clare B. Hardham 1961-7-2 8061 Siskiyou Ridge west of Etha. Comment
  HSC49948  Penstemon cinicola G. L. Clifton, Terry Griswold 1979-7-22 8920 Siskiyou Near Little Mt. Hoffman, close to the town of Macdoel 613 Comment
  RSA233656  Penstemon davidsonii Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39005 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC265368  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  CAS-BOT-BC265376  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  HSC67817  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3781 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  NY600721  Penstemon gracilentus E. I. Applegate 1923-8-17 3831 Siskiyou About 10 miles northwest of Medicine Lake Comment
  SBBG7148  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  SEINET10880486  Penstemon gracilentus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 870 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  SBBG30586  Penstemon heterodoxus var. cephalophorus D. Myrick 1968-6-27 2046 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  JEPS93872  Penstemon heterodoxus var. shastensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9329 Siskiyou Highway 97 between Weed and Macdoel (at the e end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  SD53390  Penstemon heterodoxus var. shastensis Darley F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., damp hillside 1524 Comment
  SEINET5329750 Image available Penstemon heterodoxus var. shastensis G. Butler 1910-6-19 1591 Siskiyou Goosenest foothills 1524 Comment
  UC1538955  Penstemon heterodoxus var. shastensis W. J. Ferlatte 1987-7-7 2110 Siskiyou U.S. F.S. Rd 31 ca 0.5 mi w Ski Park Hwy; Shasta Quad. 1584 Comment
  UCR93376  Penstemon humilis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  UCR24850  Penstemon laetus John C. Roos 1948-9-2 3974 Siskiyou 6 mi SW of Yreka 1300 Comment
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Aug 13 2007
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  JEPS44097  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1965-7-12 35188 Siskiyou Bolam Road , Bolam Road (Mt. Shasta) 1706 Comment
  NY604580  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5176 Siskiyou 9 miles south of Macdoel, on U.S. 97, between Dorris and Weed. 1463.0 Comment
  NY604564  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  POM203121  Penstemon laetus var. sagittatus Alice Eastwood, John T. Howell 1934-4-20 1793 Siskiyou 4 miles N of Weed. Comment
  RSA668198  Penstemon laetus var. sagittatus Karl Vincent 1987-6-28 4440 Siskiyou Cacade Range, Mt Shasta; old roadbed in lava flow area along E side of US 97 ca 5.1 mi NE of jct I-5 Bus. Loop in Weed. 1159 Comment
  RSA211463  Penstemon newberryi William J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  SD42556  Penstemon newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou SW. side of Mt. Shasta, I(c) mi. S. of trail to horse camp 1524 Comment
  HSC19161  Penstemon newberryi subsp. berryi J. O. Sawyer 1969-6-13 947 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC63247  Penstemon newberryi subsp. newberryi M. A. Baker 1979-7-31 1086 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2100 Comment
  RSA68889  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-7-10 67 Siskiyou Castle Lake, 5434', 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. Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  POM42967  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek. 1372 Comment
  UC163964  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou foothills of the Goosenest Mountains 1386 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  CAS-BOT-BC239416  Penstemon rupicola Doris K. Kildale 1929-7-20 8577 Siskiyou East spur Preston Peak above Rockefeller Lake 1950 Comment
  HSC45203  Penstemon rupicola J. O. Sawyer, E. Cope 1977-6-20 2976 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  UC722171  Penstemon rupicola C. L. Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak Comment
  CAS-BOT-BC239415  Penstemon rupicola C. L. Hitchcock; J. S. Martin 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  UC1278812  Penstemon rydbergii var. oreocharis David D. Keck 1940-6-13 5172 Siskiyou Grass Lake; ; Grass Lake, Siskiyou Co. 1539 Comment
  JEPS52293  Penstemon speciosus Wayne Roderick 1963-6-13 Siskiyou sw edge of town of Etna , sw edge of town of Etna (Scott Valley) 914 Comment
  UC54622  Penstemon speciosus H. M. Hall and E. B. Babcock June, 1903 4071 Siskiyou near Sisson (Mount Shasta); Sierra Nevada Mountains, Mt. Shasta 1066 Comment
  UC618811  Penstemon speciosus W. Bridge Cooke 1938-6-24 11095 Siskiyou near MacBride Springs; Mount Shasta Comment
  UC726669  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  HSC75652  Penstemon speciosus J. O. Sawyer, R. J. Cole 1980-7-22 3868 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  SBBG25821  Perideridia gairdneri D. Myrick 1966-8-13 1550 Siskiyou below Mountain Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  HSC4832  Perideridia gairdneri subsp. gairdneri J. O. Sawyer 1968-9-10 688 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA237657  Perideridia howellii Frederick W. Oettinger, R. Thorne 1969-8-8 1309 Siskiyou West of English Lake above the main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET3860793  Perideridia leptocarpa L. Constance, T. I. Chuang; et al. 1966-6-15 3768 Siskiyou Above Trinity River 5 mi NW of Cecilville.; 0 762 Comment
  HSC65426  Perideridia leptocarpa D. Reed 1980-8-19 306 Siskiyou Below switchback in FS 46N64 Comment
  SEINET13945007 Image available Perideridia leptocarpa L. Constance, T. I. Chuang 1967-1 3802 Siskiyou West-facing slope above Trinity River, 5 mi NW of Cecilville, alt. 2500 ft 762 Comment
  HSC72363  Perideridia oregana J. P. Smith, J. O. Sawyer, Jane & Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  UC166021  Perideridia oregana Geo. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain 1219 Comment
  SEINET13944986 Image available Perideridia oregana L. Constance, T. I. Chuang, Fei, Mei Chuang, and M. Sousa S. 1966-1 3767 Siskiyou US Hwy 99W, 1.5 mi N of Edgewood turnoff, open rocky adobe pastured flat, alt. 300 ft 91 Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  HSC64424  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-16 4389 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  UC1051790  Phacelia L. R. Heckard 1952-6-18 307 Siskiyou about 0.5 mi w Panther Creek Guard Station (16 mi e of Montague on rd to Mt. Hebron) Comment
  HSC23000  Phacelia corymbosa William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  HSC97684  Phacelia corymbosa Thomas W. Nelson, Jane Nelson 2006-7-1 9454 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  POM265888  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  POM127632  Phacelia hastata subsp. hastata A. M. Alexander, Elizabeth A. Kellogg 1911-8-12 309 Siskiyou Near Toad Lake. 2073 Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  CAS-BOT-BC145047  Phacelia leonis Rimo Bacigalupi; Mr. Van Deventer; Mrs. Van Deventer; Don Liles 1959-7-10 7296 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles n.ne. of Preston Peak; watershed of Indian Creek 1493 Comment
  HSC97692  Phacelia linearis Thomas W. Nelson, Jane Nelson 2006-7-1 9449 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  RSA12501  Phacelia mutabilis Carl B. Wolf 1934-7-4 5935 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  UC1034049  Phacelia mutabilis W. Bridge Cooke 1941-9-10 16308 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  HSC64584  Phacelia pringlei J. O. Sawyer 1979-5-26 3361 Siskiyou Along Hwy. 3, N side of Scott Mountain. 1341 Comment
  HSC75096  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-15 10118 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  RSA715804  Phacelia ramosissima var. ramosissima L. Ahart, John Dittes 2005-6-10 12084 Siskiyou About 50 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UCD88499  Phalaris arundinacea Ken Baghott 1960-8-3 s.n. Siskiyou Tulelake area. Comment
  HSC36662  Philadelphus californicus Brent Whitely 1975-6-28 90 Siskiyou 915 Comment
  CAS-BOT-BC77418  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-26 5055 Siskiyou Near Sawyers Bar Comment
  CAS-BOT-BC77436  Philadelphus lewisii John Thomas Howell 1937-7-26 13560 Siskiyou Between Big Flat and Caribou Gulch Comment
  UC165387  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek Comment
  UC922623  Philadelphus lewisii Annie M. Alexander and Louise Kellogg 1948-9-9 5613 Siskiyou on trail to Taylor Lake Siskiyou Mountains Comment
  SEINET6917951  Philadelphus lewisii M. K. Solecki, J. B. Taft 1986-9-9 2145 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC58858  Phleum alpinum Marvin Butler 1971-7-19 284 Siskiyou Near Mary's Meadow, close to the town of Cave Junction. 1464 Comment
  RSA186330  Phleum alpinum Gilbert Muth 1966-10-16 25 Siskiyou Marble Mountains 1793 Comment
  CAS-BOT-BC250951  Phleum pratense Doris K. Kildale 1928-8-18 6487 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1828 Comment
  HSC23553  Phlox adsurgens J. O. Sawyer 1970-7-3 2310 Siskiyou W of Camp 3 Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  HSC61882  Phlox adsurgens Al Hobart, V. S. 1969-6-18 Siskiyou Poker Flat 1585 Comment
  HSC30427  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou Marble Mtn. Wilderness Area, S of Upper English Lake 1921 Comment
  HSC46348  Phlox diffusa J. P. Smith 1973-5-5 6424 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC94939  Phlox diffusa R. C. Wenk 2005-7-15 239 Siskiyou Trinity Alps above South Fork of the Salmon River, along the Yellow Rose Mine 2042 Comment
  RSA262361  Phlox douglasii subsp. rigida Sandra Holloway 1963-4-10 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville 915 Comment
  HSC93351  Phlox hirsuta Daine Elam, Ken Fuller 1997-5-14 Siskiyou Soap Creek Ridge, upslope from Hwy. 3, SW of Yreka Comment
  SEINET10638272  Phlox hirsuta Edward L. Greene 1876-1 Siskiyou Comment
  CDA40285  Phlox hoodii subsp. canescens T. C. Fuller 1958-4-17 4826 Siskiyou 3 miles south of Gazelle. 0 Comment
  HSC49965  Phlox speciosa subsp. nitida Maralyn O'Meara 1974-5-25 435 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  SEINET10496959  Phlox speciosa subsp. nitida Mary Merello 1993-6-22 Merello 697 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  HSC34002  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-25 7502 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  UC1039907  Phoradendron pauciflorum Geo. M. Pendleton 1917-1 Siskiyou Sisson Comment
  RSA215631  Phyllodoce empetriformis Gilbert Muth 1969-8-10 1324 Siskiyou Ridge west of Boulder Peak. 2287 Comment
  CAS-BOT-BC140491  Physocarpus Alice Eastwood 1921-7-24 10743 Siskiyou Castle Lake Comment
  CAS-BOT-BC140598  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC140600  Physocarpus capitatus Carl B. Wolf 1927-8-26 1072 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC78158  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, headwaters of Applegate River Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  JEPS25675  Picea breweriana Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7320 Siskiyou on steep grade just above jeep road between Poker Flat and Twin Valley (on rocky ridge-top marking Del Norte-Siskiyou County boundary); Siskiyou Mts. 1664 Comment
  RSA237209  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Cliffs above Hellhole, near Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET10666399  Picea breweriana Peter W. Fritsch, James R. Shevock 2012-6-20 Fritsch 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14. 1755 Comment
  CDA494  Picea breweriana Don Shaw, T. C. Fuller 1974-9-24 20035 Siskiyou Siskiyou Mountains, E of White Mt.; by Pacific Crest Trail. Comment
  RSA593949  Picea breweriana L. C. Wheeler 1963-8-31 8316 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  CAS-BOT-BC73394  Pinus albicaulis W. R. Dudley 1899-8-26 s.n. Siskiyou Near Mt. Eddy. Comment
  RSA105393  Pinus albicaulis G. D. Barbe 1955-8-5 360 Siskiyou Growing along a ridge NW of the summit of Caribou Mtn in the Salmon Mtns. 2409 Comment
  CAS-BOT-BC78325  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC78405  Pinus balfouriana Maralyn O'Mera 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose [mine] Mine Comment
  CAS-BOT-BC78498  Pinus contorta subsp. murrayana Alice Eastwood s.n. Siskiyou bet. Shasta Sprgs. + Cantara Comment
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC78779  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou Side of Black Butte Comment
  HSC36706  Pinus lambertiana Brent Whitely 1975-6-28 103 Siskiyou 915 Comment
  HSC69521  Pinus monticola Maralyn A. Renner 1980-6-26 1287 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SD76165  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou Scott Mountains, steep west slope above Kangaroo Lake 2100 Comment
  SEINET5462048 Image available Pinus ponderosa Ross C. Clark, Bob Harvey; Chris Harvey 23914 Siskiyou Mt. Shasta. Comment
  POM229184  Plagiobothrys greenei L. C. Wheeler 1938-5-18 3502 Siskiyou Siskiyou Mts.: Mt. Diablo Mer. Yreka Creek 854 Comment
  JEPS68106  Plagiobothrys nothofulvus Geo. D. Butler 1909-5-2 694 Siskiyou Yreka Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  RSA237615  Plantago lanceolata Frederick W. Oettinger 1967-8-3 239 Siskiyou Along Hancock Lake trail near the eastern most campsite along NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SEINET999812  Platanthera dilatata var. leucostachys Mark Fishbein, Lane Greer 2006-1 Siskiyou Comment
  HSC58908  Platanthera sparsiflora Marvin Butler 1971-7-12 116 Siskiyou Near Copper Camp, close to the town of Cave Junction 1372 Comment
  UC642559  Platanthera sparsiflora W. Bridge Cooke 1939-7-7 13612 Siskiyou Sedge Bog at Wagon Camp Mount Shasta 1737 Comment
  SBBG30546  Plectritis congesta subsp. congesta D. Myrick 1968-6-25 2014 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  HSC34011  Plectritis macrocera J. P. Smith 1974-5-25 7507 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC63298  Pleuricospora fimbriolata M. A. Baker 1979-7-31 1094 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  CAS-BOT-BC261036  Poa Melissa A. Berry 1957-7-7 s.n. Siskiyou China Mt. divide, near Gazelle-Callahan Road 2286 Comment
  JEPS80532  Poa bolanderi Gilbert Muth 1966-7-17 402 Siskiyou trail to Lookout Marble Mt Wilderness Area 1828 Comment
  POM259586  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UCD90582  Poa bolanderi A. H. Murphy 1956-8-15 56 H Siskiyou Klamath National Forest. Tangle Blue Creek. 1767 Comment
  UCD90666  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Montague. On railroad deposit. Comment
  CHSC61585  Poa compressa L. P. Janeway 1983-8-26 600 Siskiyou Siskiyou Mountains; at Poker Flat, front edge of upper part of a meadow. 1524 Comment
  HSC63  Poa compressa William J. Ferlatte 1966-6-23 139 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  JEPS109712  Poa cusickii subsp. epilis Dean W. Taylor 2002-7-20 18265 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  CAS-BOT-BC246829  Poa leptocoma John Thomas Howell 1939-8-10 15263 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC256019  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53383 Siskiyou 2.5 miles south of Grenada, Shata Valley 762 Comment
  RSA715495  Poa pratensis L. Ahart 2005-6-9 12033 Siskiyou along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/4 mile (air) south of Highway 99/97 Cuttoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  CHSC86460  Poa pratensis subsp. pratensis Jenny Marr 1993-7-1 77 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC618614  Poa pratensis subsp. pratensis W. Bridge Cooke 1938-6-24 11066 Siskiyou MacBride Springs; Mt Shasta Comment
  UCD91764  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  UCD91768  Poa pringlei A. H. Murphy 1959-7-21 59 A Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  HSC31099  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou Salmon Mountains, ridge above Horse's Hole Pond near Horse Range Lake. 1982 Comment
  HSC41369  Poa secunda subsp. secunda J. P. Smith 1976-5-5 8708 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  UCD91627  Poa secunda subsp. secunda A. A. Heller 1920-6-28 13402 Siskiyou Beyond Wagon Creek falls, east side of Mt. Eddy. 1524 Comment
  UCD91743  Poa wheeleri R. Tofsrud 1948-8-1 s.n. Siskiyou Pather Meadow, Mt. Shasta. 2438 Comment
  UC922452  Polemonium californicum Annie M. Alexander and Louise Kellogg 1949-7-20 5819 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  POM75059  Polemonium carneum Geo D. Butler 1909-4-28 737 Siskiyou McAdams Creek. Comment
  UC538028  Polemonium chartaceum David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
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Jul 22 2018
  UC52664  Polemonium occidentale subsp. occidentale W. C. Blasdale 1894-7-28 Siskiyou Sissons Comment
  SEINET4335521 Image available Polemonium pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou Ridge above head of Brewer Creek, E side of Mt. Shasta Comment
  CHSC71292  Polyctenium fremontii var. fremontii Vernon H. Oswald; Lowell Ahart 1998-6-11 9200 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  POM211510  Polygonum argyrocoleon Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  UC144332  Polygonum bistortoides E. B. Copeland 1903-4-7 3854 Siskiyou Mt. Eddy Comment
  UC454280  Polygonum bistortoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  RSA184744  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  POM104466  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek. 1829 Comment
  HSC58967  Polygonum douglasii G. L. Clifton 1975-7-28 5156 Siskiyou Near Cook and Green Pass 1646 Comment
  CAS-BOT-BC414593  Polygonum douglasii Alice Eastwood 1921-7-24 10774 Siskiyou Castle Lake Comment
  UCD100248  Polygonum douglasii Herbert L. Mason 1948-7-17 13598 Siskiyou Eastern Grass Lake. Comment
  RSA759844  Polygonum douglasii subsp. austiniae Robert F. Thorne 1969-8-2 63401 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC163820  Polygonum douglasii subsp. douglasii Geo. D. Butler 1908-8-3 185 Siskiyou Log Lake Shackleford Creek Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  SEINET3405925 Image available Polygonum douglasii var. johnstonii J. M. Tucker, L. K. Mann 1963-8-17 3742 Siskiyou beside trail fro Red Rock Valley to top of ridge to the sout, Marble Mountain Wilderness Area 1859 Comment
  JEPS19769  Polygonum persicaria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5969 Siskiyou about 1 1/2 mi w Weed (along U.S. Hwy 99) 992 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
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  CAS-BOT-BC421085  Polygonum spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CAS-BOT-BC421070  Polygonum spergulariiforme Doris K. Kildale 1928-7-25 5879 Siskiyou Klamath River near Hamburg 471 Comment
  HSC19289  Polystichum imbricans J. O. Sawyer 1969-7-10 1295 Siskiyou Ridges E of Russian Peak 2256 Comment
  UC338387  Polystichum imbricans subsp. imbricans unknown 1888-9-12 Siskiyou Mt. Shasta 3657 Comment
  UC812658  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek; Siskiyou Mts. 1584 Comment
  CAS-BOT-BC72385  Polystichum lemmonii Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  CAS-BOT-BC94466  Polystichum lemmonii R. C. Wenk 2005-7-19 327 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  POM22933  Polystichum lemmonii E. B. Copeland 1903-8-18 3813 Siskiyou Mount Eddy 1677 Comment
  UC2026484  Polystichum lemmonii Louis C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. Comment
  UC922425  Polystichum lemmonii Annie M. Alexander and Louise Kellogg 1949-7-29 5892 Siskiyou top of ridge above Sky High Lake; Marble Mts., Sky High Valley 1920 Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  HSC79127  Polystichum lemmonii C. J. Thomas 1983-10-1 75 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  OBI1445  Polystichum lonchitis Lawrence L. Kiefer 1963-8-7 755 Siskiyou Baldy Mtn (W of Happy Camp) 1/2 mi NW of L.O. Comment
  RSA237508  Polystichum lonchitis Frederick W. Oettinger 1968-9-1 656 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC19184  Polystichum munitum J. O. Sawyer 1968-7-2 367 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC185199  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldredge's Canal; Russian Creek Comment
  JEPS89830  Polystichum scopulinum Dean W. Taylor 1975-8-14 5461 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  CAS-BOT-BC108545  Populus balsamifera Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  CAS-BOT-BC102964  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs Comment
  UC201703  Potamogeton illinoensis Geo. D. Butler 1916-8-21 1853 Siskiyou Shasta River Comment
  UC1023838  Potamogeton pectinatus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  SEINET3893295  Potamogeton richardsonii Louis C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek.; 0 Comment
  HSC61830  Potentilla breweri Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS109787  Potentilla cristae Dean W. Taylor 2002-7-29 18290 Siskiyou cirque as easterly base of summit ridge, South China Mounain 2423 Comment
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  UCD113872  Potentilla gracilis A. A. Heller 1918-7-16 13030 Siskiyou Well up on the bare eastern slope leading to Mt. Eddy. 2438 Comment
  JEPS96961  Potentilla gracilis var. elmeri Dean W. Taylor 1997-6-12 16059 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  CHSC71498  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow along the road. 1417 Comment
  POM250747  Potentilla gracilis var. fastigiata W. Bridge Cooke 1938-7-29 11395 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  RSA237845  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou Along trail midway between English Lake and drift fence. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC106097  Potentilla millefolia Lowell Ahart; John Dittes 2010-7-30 16938 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC195253  Potentilla millefolia Annie M. Alexander and Louise Kellogg 1911-6-4 110 Siskiyou Mayten Comment
  CAS-BOT-BC158533  Potentilla millefolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53379 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  HSC83923  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC516387  Prosartes hookeri Doris K. Kildale 1929-4-27 7572 Siskiyou Cecilville, South Fork Salmon River Comment
  UC1034608  Prunella vulgaris var. lanceolata Douglas Barbe 1955-6-29 40 Siskiyou on the s bank of Scott River 1.8 mi e Callahan; Klamath Mountains, bank of Scott River 975 Comment
  UC1282022  Prunella vulgaris var. lanceolata Louise Kellogg Aug 8 1953-Aug 9 1953 121 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  CAS-BOT-BC158200  Prunus emarginata Alice Eastwood 1923-5-18 11823 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158218  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  CAS-BOT-BC158237  Prunus emarginata Doris K. Kildale 1928-7-2 5347 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC19188  Prunus emarginata J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  UC144434  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Sisson Comment
  UC144438  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou between Shasta Retreat and Shasta Springs Comment
  SEINET7412306  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  JEPS24016  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6877 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River); Portuguese Creek 396 Comment
  UC1185303  Pseudostellaria jamesiana H. E. Brown June 1-10, 1897 330 Siskiyou near Sisson; near Sisson 1083 Comment
  RSA24182  Pseudotsuga menziesii C. B. Wolf 1940-12-11 9795 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  JEPS107956  Puccinellia distans Lowell Ahart, John Dittes 2005-6-9 12002 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC147895  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UC860303  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC27238  Pycnanthemum californicum J. P. Smith, J. O. Sawyer 1971-9-18 4814 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC140049  Pycnanthemum californicum Copeland 1903-8-12 3837 Siskiyou Sisson Comment
  JEPS66564  Pyrola crypta W. L. Jepson 1940-6-27 20038 Siskiyou East slope of Mt. Shasta 1828 Comment
  HSC44709  Pyrola dentata J. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC69415  Pyrola dentata John Palmer 1980-7-23 565 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  SD112140  Pyrola picta Darley F. Howe 1962-8-4 3390 Siskiyou Baldy Mt. 1524 Comment
  UC876270  Pyrola picta Alice Eastwood 1912-7-15 1116 Siskiyou McCloud Comment
  HSC36690  Quercus chrysolepis Brent Whitely 1975-6-21 15 Siskiyou 223 Comment
  JEPS37935  Quercus garryana W. L. Jepson 1907-7-22 2955 Siskiyou Hamburg, w Siskiyou County Klamath River Comment
  CDA21914  Quercus garryana E. Hale 1983-10-24 Siskiyou Guy s Gulch near Yreka. Comment
  CAS-BOT-BC62754  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou lava beds between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62758  Quercus garryana var. breweri John Thomas Howell 1939-8-2 14918 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA639547  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6941 Siskiyou [No location information on label.] Comment
  RSA96850  Quercus garryana var. breweri Percy C. Everett, E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, at summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp. 1555 Comment
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  RSA82773  Quercus garryana var. garryana J. M. Tucker 1948-8-3 1772 Siskiyou Ca. 0.6 mile west of Happy Camp. 335 Comment
  CAS-BOT-BC105462  Quercus kelloggii Marion Ownbey; Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC104356  Quercus sadleriana W. J. Ferlatte 1988-8-24 2118 Siskiyou near Des Moines Cr. on road 18N30, 0.1 miles from road to O'Brien; 17 miles N of Happy Camp 1066 Comment
  CAS-BOT-BC104361  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mts. 1859 Comment
  HSC62285  Quercus sadleriana Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  SEINET13953860 Image available Quercus sadleriana D. K. Bailey 1972-1 Siskiyou Understory shrubs beneath Picea breweriana, cf. NE slope above O'Brien to Happy Camp road 1311 Comment
  CAS-BOT-BC104480  Quercus vacciniifolia W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail near Mt. Shasta Comment
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC104633  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou 6.77 mi (bi road) below the summit of Happy Camp-Waldo road Comment
  JEPS94789  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  UCSB1267  Quercus vacciniifolia Muller, Cornelius 1954-6-24 Siskiyou 4.8 mi. below summit of Salmon Mt. pass, 6 mi. SW of Etna Comment
  UC5830  Quercus wislizeni var. frutescens W. H. Brewer 1862-8-21 1330 Siskiyou near Shasta 914 Comment
  UCD77973  Raillardella argentea Robert E. Preston 2001-7-21 1714 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CHSC63323  Raillardella pringlei Vernon H. Oswald; Lowell Ahart 1994-7-11 6400 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. Meadow. 1783 Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  JEPS60727  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley Camp 1524 Comment
  UC688900  Ranunculus eschscholtzii var. suksdorfii Vesta Holt 1943-8-7 M- 1 Siskiyou Marble Mountains Comment
  JEPS60678  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Log Lake Shackelford Creek Comment
  POM149885  Ranunculus occidentalis var. eisenii Geo. D. Butler 1910-4-19 1199 Siskiyou Yreka Comment
  HSC62283  Ranunculus populago Stansell 1968-8-12 Siskiyou Youngs Valley 1524 Comment
  RSA604933  Ranunculus uncinatus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  RSA237977  Raphanus sativus Frederick W. Oettinger 1969-8-14 1367 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  RSA7780  Rhamnus californica Carl B. Wolf 1927-8-27 1153 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  RSA134945  Rhamnus ilicifolia Percy C. Everett, E. K. Balls 1959-10-24 23949 Siskiyou 4.4 miles NW from Forks, along Salmon River, Sawyer's Bar to Somes Bar. 335 Comment
  SEINET4855298  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson. 1098 Comment
  UCSB24750  Rhododendron macrophyllum Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass, north of Seiad Valley 1676 Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CHSC30334  Rhododendron neoglandulosum M. S. Taylor 1980-7-1 3101 Siskiyou On nw side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  JEPS58751  Rhododendron occidentale Willis L. Jepson 1894-8-9 14671 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  JEPS95667  Rhododendron occidentale Vernon H. Oswald and L. Ahart 1999-7-5 9825 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callahan: T39N R7W Sect. 5, 5400 ft, mixed coniferous forest, serpentine substrate 1645 Comment
  CAS-BOT-BC200399  Rhododendron occidentale var. paludosum Elmer I. Applegate 1895-5-29 299 Siskiyou Sacramento River below Sisson Comment
  HSC27471  Rhus aromatica J. P. Smith, J. O. Sawyer 1972-5-28 5368 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  HSC40233  Rhus aromatica J. P. Smith 1976-5-4 8664 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  UC165925  Ribes Geo. D. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  CAS-BOT-BC438010  Ribes W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Springs - Sisson Comment
  CAS-BOT-BC92403  Ribes aureum var. aureum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53407 Siskiyou Fort Jones. 853 Comment
  RSA459476  Ribes binominatum M. B. Dunkle 1944-7-18 9150 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  UC725465  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 mi n Weed (on Highway 97) Comment
  HSC46796  Ribes lacustre William J. Ferlatte 1974-7-15 1539 Siskiyou Yellow Rose Mine Trail 1646 Comment
  RSA0021100  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  RSA0021108  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11752 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  RSA0021150  Ribes lobbii J. T. Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC212483  Ribes marshallii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CDA25541  Ribes marshallii T. C. Fuller 1958-6-18 1794 Siskiyou At summit of Siskiyou Mountains. 0 Comment
  SEINET13942692 Image available Ribes nevadaense A. A. Heller 2015-1 12244 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  CAS-BOT-BC219266  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  UC54301  Ribes nevadense H. M. Hall and E. B. Babcock June 1903 4131 Siskiyou Head of McCloud River Sierra Nevada Mountains, Mount Shasta 1524 Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC199991  Ribes roezlii var. cruentum John Thomas Howell 1939-8-11 15286 Siskiyou Near mouth of Canyon Creek Comment
  CAS-BOT-BC200001  Ribes roezlii var. cruentum Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC200012  Ribes roezlii var. cruentum Elmer I. Applegate 1895-5-28 598 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson Comment
  HSC20328  Ribes roezlii var. cruentum Geo. D. Butler 1909-5-31 780 Siskiyou Humbug Comment
  UC204030  Ribes roezlii var. cruentum H. E. Brown June 1-10 1897 309 Siskiyou near Sisson 1083 Comment
  RSA0024593  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Next basin east of Salamander Pond, Abbotts Lake basin. High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1768 Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  CDA25583  Ribes sanguineum var. sanguineum T. C. Fuller 1958-6-18 1790 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC168792  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  HSC47  Ribes viscosissimum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin 1982 Comment
  POM30110  Rigiopappus leptocladus Geo D. Butler 1910-5-16 1354 Siskiyou Near Yreka. Comment
  UC375409  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  JEPS1247  Romanzoffia californica Joseph P. Tracy 1939-4-29 16269 Siskiyou Somes Bar 182 Comment
  POM265892  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  CAS-BOT-BC147463  Rosa californica L. B. Kildale 1930-5-31 9816 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC146754  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  HSC69390  Rosa gymnocarpa Maralyn A. Renner 1980-8-31 2660 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA184749  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley,.Marble Mtns. 1829 Comment
  RSA237781  Rosa gymnocarpa Frederick W. Oettinger 1969-7-29 1098 Siskiyou Along stream above Uncle's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  CAS-BOT-BC147065  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou Scott Mt. near summit on road from Scott Valley to Trinity Center 1615 Comment
  CAS-BOT-BC147078  Rosa pisocarpa Doris K. Kildale 1929-7-20 8634 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC6005  Rosa pisocarpa Alice Eastwood 1912-9-4 2100 Siskiyou Sisson Comment
  UC329938  Rosa pisocarpa unknown Sept. 1889 Siskiyou Sisson's Meadows Comment
  HSC32289  Rosa rubiginosa J. O. Sawyer 1970-6-15 2200 Siskiyou Slopes N of Sugar Creek 976 Comment
  UCSB63909  Rotala ramosior Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou On the east side of Forest Route 15, 10.9 mi north of Hwy. 89: T41N R2E Sect. 18 1383 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
  HSC19407  Rubus lasiococcus J. O. Sawyer 1968-9-13 714 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC147979  Rubus leucodermis Wm. Bridge Cooke 1939-7-14 13698 Siskiyou Along the Sisson Southern Trail - Mount Shasta 1981 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River 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
  UC1409343  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou e side Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  POM208282  Rubus vitifolius Louis C. Wheeler 1934-6-29 2824 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  JEPS87795  Rudbeckia glaucescens Vernon H. Oswald and Lowell Ahart 1994-8-1 6418 Siskiyou 9 mi. s.w. of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 0.3 mi. e. of Forest Rd. 40N43) 1438 Comment
  UC133445  Rudbeckia klamathensis Dr. E. B. Copeland 1903-9-8 3862 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC422225  Rumex acetosella Doris K. Kildale 1928-7-2 5409 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC422226  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  HSC19445  Rumex acetosella J. O. Sawyer 1969-7-16 1119 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  JEPS117466  Rumex conglomeratus Lowell Ahart, John Dittes 2010-7-30 16935 Siskiyou Along the west bank 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 716 Comment
  JEPS93887  Rumex crispus Vernon H. Oswald and Lowell Ahart 1998-7-21 9345 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  SEINET10733756  Rumex maritimus Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 897 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  CAS-BOT-BC454115  Ruppia cirrhosa Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39035 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of junction of Hwys 97 and 161 1280 Comment
  UC1190183  Sagina saginoides Ira L. Wiggins 1955-7-22 13445 Siskiyou 9.5 mi. above Cecilville (S. Fork Salmon R.); S. Fork Salmon R. 1066 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
  SDSU11444  Sagittaria cuneata D. F. Howe 1972-7-8 4882 Siskiyou Grass Lake, 21 mies north of Weed on #97 1524 Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  JEPS38483  Salix exigua W. L. Jepson 1907-7-22 2953 Siskiyou Burhart's Ranch Hamburg; Klamath River Comment
  CAS-BOT-BC107784  Salix hindsiana L. B. Kildale 1930-5-31 9792 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC107662  Salix jepsonii Ira L. Wiggins 1955-7-27 13565 Siskiyou Margin of Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA610755  Salix laevigata Louis C. Wheeler 1935-5-11 3472 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET4471747 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 bis Siskiyou Yreka Comment
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  UC1409263  Salix lasiandra subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou lake shore w. of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1889 Comment
  CAS-BOT-BC125451  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  CAS-BOT-BC125465  Salix lasiandra var. lasiandra L. B. Kildale 1930-5-31 9794 Siskiyou Island in Klamath River near Hornbrook Comment
  UC1034618  Salix lasiandra var. lasiandra unknown 1955-6-28 6 Siskiyou 0.8 mi. n. of Callahan (in dredgings near Hjertagers' Mill) 975 Comment
  CAS-BOT-BC125466  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-23 s.n. Siskiyou [Callahans] Callahan Comment
  CAS-BOT-BC107069  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  UC375233  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou along creek near Yreka Comment
  UC482246  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1515 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-BC124545  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  SBBG57902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  SEINET10682432  Salix lemmonii Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 188 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  UC481733  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. of Shasta City (meadow 180 m. below Dobkin's Lake); n. side Mt. Eddy 1770 Comment
  UC481735  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. Shasta City (n. side Mt. Eddy, 180 m. below Dobkin's Lake); Mt. Eddy 1770 Comment
  RSA201420  Salix lucida subsp. lasiandra J. T. Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  CAS-BOT-BC126157  Salix scouleriana L. E. Smith 1914-3-1 s.n. Siskiyou Sisson near water tank of McCloud R.R. Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA238270  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou Margin of Dry Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1845 Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  SEINET12003151  Salix sessilifolia Unknown 1936-1 13444 Siskiyou Klamath river Comment
  JEPS84287  Salix sitchensis L. R. Heckard with S. D'Alcamo, J. Hickman, and W. Roderick 1986-7-16 6396 Siskiyou ca. 5.5 mi n Seiad Valley town (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1740 Comment
  HSC65315  Salsola tragus J. P. Smith, Steve Selva 1970-8-9 4585 Siskiyou In potato fields W of Macdoel. Comment
  CAS-BOT-BC220801  Salvia dorrii var. dorrii Alice Eastwood; John Thomas Howell 1940-6-14 8268 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  UC1252124  Salvia dorrii var. dorrii Garrett Smathers 1964-7-16 Siskiyou Black Crater Trail; Lava Beds National Monument Comment
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Nov 22 2007
  UC25742  Salvia sonomensis Milo S. Baker 1893-8-19 Siskiyou s base Mt. Shasta (Squaw Valley); , Squaw Valley Comment
  CDA5770  Salvia virgata C. S. Giebner 1968-7-29 Siskiyou E.H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka Comment
  UC441306  Sambucus melanocarpa Annie M. Alexander and Louise Kellogg 1911-6-17 155 Siskiyou Jackson L. 1798 Comment
  HSC19413  Sambucus racemosa var. melanocarpa J. O. Sawyer 1968-7-23 592 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC3984  Sambucus racemosa var. racemosa Dorothy Parker 1949-8-12 364 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  POM90116  Sanguisorba annua Geo. D. Butler 1910-6-3 1468 Siskiyou [??] Valley Comment
  HSC39211  Sanicula bipinnatifida J. P. Smith 1976-5-4 8654 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  UC735044  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  HSC61953  Sanicula graveolens Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  HSC26222  Sanicula tuberosa J. P. Smith, J. O. Sawyer 1972-5-27 5347 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  SEINET3240057  Santalaceae R. L. Mathiasen 2003-1 2003 -47 Siskiyou On trail to Eaton Lake, Russian Peak Wilderness Area; -1700 Comment
  UCD98487  Saponaria officinalis Francia Chisaki; Helen Sharsmith 1959-8-20 4740 Siskiyou in Scott Valley, 3 miles before reaching Etna on road from Callahan. 853 Comment
  HSC61955  Sarcodes sanguinea Ruby Van Deventer 1938-7-14 Siskiyou Poker Flat 1585 Comment
  JEPS43051  Saxifraga ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Camp at Marble Mountain Valley 1676 Comment
  RSA760542  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63366 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  JEPS13972 Image available Saxifraga fragarioides C. G. Pringle 1881-8-14 Siskiyou cliffs of Castle Lake; Mountains about headwaters of the Sacramento River; Sacramento River 1828 Comment
  RSA47992  Saxifraga nidifica Roxana S. Ferris, Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  CAS-BOT-BC445873  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Canyon; Klamath Forest 1889 Comment
  UCD126471  Schedonorus arundinaceus P. B. Kennedy 1923-8-29 s.n. Siskiyou Mt. Shasta City. By Camp Cold Water, Sisson. Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  RSA238936  Scirpus congdonii Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1271 Siskiyou Lake Shore SE side English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  POM70364  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek. 1220 Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  UC1211910  Scutellaria siphocampyloides Roy L. Taylor 1960-6-12 4442 Siskiyou above the Klamath River (1 mi w of jct Hwy 96 (Klamath River Road) and Hwy 99 n of Yreka) Comment
  CAS-BOT-BC64654  Sedum kiersteadiae H. E. Brown 1897-6-15 440 Siskiyou North Side Mt. Shasta, 3048 Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  CAS-BOT-BC59184  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Jaynes Canyon 1920 Comment
  CAS-BOT-BC59188  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Janyes Canyon 1920 Comment
  HSC100079  Sedum oblanceolatum G. L. Clifton, Griswold 1979-6-28 6139 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CHSC459  Sedum obtusatum subsp. boreale M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  JEPS19782  Sedum obtusatum subsp. boreale Rimo Bacigalupi with S. Galen Smith 1957-6-26 5942 Siskiyou along road to Gumboot Lake about 11 mi sw Mt. Shasta town (serpentine slopes in the canyon of the South Fork Sacramento River between White Ridge and Scott Camp Ridge); canyon South Fork Sacramento River, White Ridge, Scott Camp 1219 Comment
  HSC19432  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-22 537 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC69041  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-8-7 2354 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC64084  Sedum oregonense Ira L. Wiggins 1955-7-27 13521 Siskiyou Caribou lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC64431  Sedum oregonense J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5676 Siskiyou Kangaroo Mtn. Above Toehead Lake. 1889 Comment
  UCSB25866  Sedum stenopetalum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  UC1971489  Selaginella wallacei Louis C. Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  CAS-BOT-BC363418  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou Near Sisson Comment
  HSC43380  Senecio aronicoides Maralyn O'Meara 1974-5-26 457 Siskiyou Along FS road 47N03 1524 Comment
  RSA14499  Senecio canus Elmer I. Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CAS-BOT-BC363645  Senecio fremontii var. occidentalis Alice Eastwood 1912-8-30 2021 Siskiyou Mount Eddy Comment
  UCR93348  Senecio integerrimus Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  CDA8647  Senecio integerrimus var. exaltatus T. C. Fuller 1962-6-12 8965 Siskiyou Road to Medicine Lake, ca. 3 miles southeast of Dorris. 0 Comment
  HSC68396  Senecio integerrimus var. major Maralyn A. Renner 1980-6-26 1244 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC364421  Senecio triangularis Marion Ownbey; Ruth P. Ownbey 1938-7-20 1759 Siskiyou 1 mile northwest of Dry Lake Lookout, summit of the Siskiyou Mts. Comment
  CAS-BOT-BC364449  Senecio triangularis H. A. Thomas; J. H. Thomas 1954-7-24 4501 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC69184  Senecio triangularis Maralyn A. Renner 1980-8-31 2636 Siskiyou Twin Valley. 1494 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  CAS-BOT-BC240271  Setaria viridis Catherine Best 1982-7-23 s.n. Siskiyou Along the edge of Hwy 5 near about 5 miles south of Weed Comment
  HSC83925  Sibbaldia procumbens K. Berg, Stephanie Bennett 1986-8-25 642 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC114369  Sibbaldia procumbens Thomas Howell May 1889 1383 Siskiyou Hornbrook Comment
  UC726537  Sidalcea asprella subsp. nana A. A. Heller 1916-6-22 12423 Siskiyou near Sisson; near Sisson 1066 Comment
  RSA183655  Sidalcea malviflora subsp. asprella Gilbert Muth 1965-8-12 212 Siskiyou Marble Valley, Marble Mountains Comment
  HSC82364  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1299200  Sidalcea oregana subsp. oregana Freed W. Hoffman 1951-7-15 4032 Siskiyou on w side Kelsey Creek (Hammond Camp, Marble Mountains, western Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  HSC172  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-18 419 Siskiyou Along the S fork of the Salmon River between the campground and Carter's 1524 Comment
  UC140823  Sidalcea oregana subsp. spicata Dr. E. B. Copeland 1903-8-12 3822 Siskiyou Sisson Comment
  UC454910  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  POM84657  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-6 1643 Siskiyou Quartz Valley Comment
  CAS-BOT-BC181188  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-8-19 6558 Siskiyou Hancock Lake on trail to Marble Mountain Comment
  HSC19443  Silene douglasii J. O. Sawyer 1969-8-4 1884 Siskiyou SE slope above S Sugar Lake 2165 Comment
  CAS-BOT-BC388951  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  CAS-BOT-BC388966  Silene grayi Robert F. Thorne; Fred Oettinger 1969-8-10 39001 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC389420  Silene lemmonii W. B. Cooke; V. G. Cooke 1972-7-6 45462 Siskiyou Mud Creek Dam Road, Mt. Shasta Comment
  UC1185943  Silene lemmonii L. E. Detling 1950-6-9 6601 Siskiyou Hwy 99 Black Butte Summit (Hwy 99) (Black Butte Summit) 1188 Comment
  UC585108  Silene lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1999 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); , above Sulloway Creek 1188 Comment
  UCR51823  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  SEINET11572877  Sisymbrium altissimum E. K. Balls 1950-5-17 14723 Siskiyou Lava Beds National Monument, New Lava Flow, along road from Schochin Butte to Captain Jacks Stronghold. 1463 Comment
  JEPS80495  Smilacina stellata Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  RSA12707  Smilax californica Carl B. Wolf, E. R. Johnson 1934-10-10 6171 Siskiyou Along the Klamath River, 1/2 mile below Clear Creek. 305 Comment
  RSA237942  Smilax jamesii Frederick W. Oettinger 1968-9-8 780 Siskiyou Outlet of English Peak. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UCD40897  Solanum dulcamara R. Rhode 1983-5-26 22 Siskiyou At Highway 96 and Interstate 5 on the banks of the Klamath River. 701 Comment
  CHSC1941  Solanum parishii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  NY821267  Solanum physalifolium A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  CHSC72242  Solanum physalifolium var. nitidibaccatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9638 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. At roadside. 1243 Comment
  UC884969  Solanum umbelliferum John Thomas Howell 1939-8-9 15234 Siskiyou Marble Mountains, Shackleford Creek Trail Shackleford Creek Trail; Marble Mountains, Shackleford Creek Trail Comment
  RSA237487  Solidago canadensis subsp. elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou Tobacco Lake Meadow, The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC365572  Solidago elongata G. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  HSC67438  Solidago elongata J. P. Smith, J. O. Sawyer 1971-9-17 4781 Siskiyou Little Duck Lake Comment
  JEPS32370  Solidago elongata Geo. D. Butler 1908-8-10 308 Siskiyou Oro Fino , Oro Fino (Eastlick's Ranch) Comment
  CHSC63502  Solidago multiradiata Vernon H. Oswald; Lowell Ahart 1994-8-1 6419 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  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
  UC166585  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou near Oro Fino Comment
  RSA96942  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-10 20264 Siskiyou E shore of Castle Lake. SW of town of Mt. Shasta. 1585 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  HSC45150  Sorbus scopulina J. O. Sawyer, E. Cope 1977-6-19 2957 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  HSC67491  Sparganium angustifolium J. P. Smith, Steve Selva 1970-6-15 3915 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA68914  Sparganium angustifolium A. E. Culbertson 1943-8-4 44 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
  CAS-BOT-BC390717  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC61147  Sphenosciadium capitellatum Al Hobart 1967-10-26 Siskiyou El Capitan Comment
  RSA593946  Spiraea densiflora Louis C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC149689  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  CAS-BOT-BC149690  Spiraea douglasii Alice Eastwood 1921-7-24 10717 Siskiyou Castle Lake Comment
  RSA68956  Spiraea douglasii A. E. Culbertson 1943-8-8 2 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  UC212917  Spiraea douglasii Geo. L. Fisher 1920-6-29 56 Siskiyou Mt. Shasta 1066 Comment
  UC572795  Spiraea douglasii unknown 1937-8-6 9188 Siskiyou Bear Spring; Mt. Shasta 1524 Comment
  UCD21460  Spiraea splendens Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1201 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CHSC71586  Stachys ajugoides var. rigida Vernon H. Oswald; Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  JEPS63053  Stachys ajugoides var. rigida Geo. D. Butler 1908-8-8 172 Siskiyou near lake at head Woolly Creek 1676 Comment
  RSA289945  Stachys rigida subsp. rigida Geo. D. Butler 1908-6-29 174 Siskiyou Butler s ranch near Yreka. Comment
  RSA237302  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-6-28 138 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  CAS-BOT-BC175331  Stellaria borealis subsp. sitchana Wm. Bridge Cooke 1938-7-29 11426 Siskiyou Wagon Camp Comment
  UCD78016  Stellaria calycantha Robert E. Preston 2001-7-20 1695 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  HSC41086  Stellaria nitens J. O. Sawyer 1970-3-4 2072 Siskiyou N of Idlewild Campground 762 Comment
  RSA0018473  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage. 1433 Comment
  HSC101542  Stipa lemmonii var. lemmonii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12995 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC38392  Stipa occidentalis var. californica J. D. Ackerman, A. M. Montalvo 1975-7-19 587 Siskiyou 3 mi. E of McCloud, off Hwy. 89, on FS Rd. 39N13 1067 Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  CAS-BOT-BC87868  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou Black Butte, north of Mount Shasta City. 1005 Comment
  UC455749  Streptanthus tortuosus I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  UC956608  Streptanthus tortuosus Freed W. Hoffman 1948-7-9 2287 Siskiyou along road to O'Brien from Happy Camp 4.5 mi n West Branch Forest Camp (3.8 mi s of Siskiyou Mountains summit); North Coast Ranges Comment
  HSC43270  Streptanthus tortuosus var. tortuosus K. Irwin 1977-5-22 392 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  HSC62006  Streptopus amplexifolius Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  JEPS74529  Suksdorfia ranunculifolia W. J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps, Josephine Lake basin 1676 Comment
  JEPS105228  Swertia albicaulis var. albicaulis Dean W. Taylor 1995-6-25 15115 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SEINET10500902  Symphoricarpos albus var. laevigatus Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6965 Siskiyou Road cut, 0.1 mi N of Hornbrook. 732 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
  LA204589  Symphoricarpos mollis Wm. Bridge Cooke; 1938-7-29 11383 Siskiyou Mount Shasta, near Howard Comment
  CDA42311  Symphoricarpos mollis G. D. Barbe 1973-8-14 1701 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  CAS-BOT-BC97617  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Dampland Edgewood Comment
  CAS-BOT-BC97887  Symphyotrichum eatonii L. E. Smith 1912-8-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC98429  Symphyotrichum spathulatum A. A. Heller 1939-7-31 15432 Siskiyou Among grasses in Panther Meadows Mt. Shasta. 2438 Comment
  UC1482562  Tauschia howellii Laurie Andrews 1981-6-10 15 Siskiyou at the top of the ridge by Crapo Peak (English Peak meadows, Marble Mtn Wilderness Area, Salmon River District); Marble Mtn Wilderness Area, Sawyers Bar Quad., Salmon River 2194 Comment
  RSA605357  Taxus brevifolia L. C. Wheeler 1959-7-25 7596 a Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  SEINET3876109 Image available Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest; road to Happy Camp.; 0 732 Comment
  UC1037369  Taxus brevifolia Douglas Barbe 1955-7-9 158 Siskiyou s side Kangaroo Lake; Scott Mountains, Kangaroo Lake 1828 Comment
  UC224017  Taxus brevifolia H. E. Brown Jun 1 1897-Jun 10 1897 323 Siskiyou near Sisson 1083 Comment
  UC902021  Taxus brevifolia Joseph P. Tracy 1949-9-14 18553 Siskiyou 6 mi ne Cecilville; Shadow Creek 914 Comment
  CAS-BOT-BC81340  Taxus brevifolia W. R. Dudley 1899-8-1 s.n. Siskiyou From Upper Sacramento River below Rainbow and S.W. of Sisson's Comment
  HSC44387  Tellima grandiflora Maralyn O'Meara 1973-6-25 239 Siskiyou Music Creek 1463 Comment
  HSC91014  Thelypodium brachycarpum Jennifer Whipple 1977-8-6 2209 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  POM148439  Thelypodium brachycarpum J. B. Feudge 1927-7-24 1670 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  UCD108595  Thermopsis gracilis A. A. Heller 1919-6-20 13250 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  SJSU6502  Thermopsis macrophylla R. W. Trivelpiece 1972-6-18 126 Siskiyou 3 mi W of Klamath R, c. 12 mi SW of Happy Camp 944 Comment
  JEPS19777  Thlaspi montanum var. montanum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5951 Siskiyou meadows at s. end Gumboot Lake (head of S. Fork Sacramento R., close to Trinity Co. line); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  SEINET12476655  Thysanocarpus curvipes G. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  RSA378166  Tofieldia glutinosa subsp. occidentalis M. B. Dunkle 1945-7-24 9251 Siskiyou Klamath National Forest, Marble Mountains; Dad s Pocket Comment
  SEINET10937952  Tofieldia glutinosa subsp. occidentalis Mary Susan Taylor 1980-7-22 Taylor 3173 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  JEPS9889  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  CDA41910  Tonella tenella G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2601 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CDA7719  Tragopogon dubius T. C. Fuller 1959-10-14 3127 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  CAS-BOT-BC377098  Tragopogon dubius Alice Eastwood; John Thomas Howell 1936-6-13 2742 Siskiyou Weed Comment
  HSC18875  Triantha occidentalis subsp. occidentalis J. O. Sawyer 1968-7-22 528 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC69161  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-4 2206 Siskiyou Flint Valley 1390 Comment
  CHSC91234  Tribulus terrestris Lowell Ahart; John Dittes 2005-6-10 12076 Siskiyou Overflow area, on the north side of the Shasta River, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS94744  Trichostema oblongum Vernon H. Oswald and Lowell Ahart 1998-7-21 9358 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  JEPS24009  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6870 Siskiyou about 3 mi n (below) Scott Mtn. (road summit, on road to Callahan) 1219 Comment
  SBBG3819  Trifolium eriocephalum H. and M. Dearing 1939-6-3 3528 Siskiyou Spring Flat Public Camp, Klamath Nat Forest 731 Comment
  JEPS81659  Trifolium eriocephalum var. eriocephalum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2295 Siskiyou 0.8 mi s Bray junction on U. S. 97 (Murphy Wells) 1493 Comment
  HSC61459  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  JEPS48903  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch, along creek) Comment
  UC163857  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka Comment
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Nov 25 2011
  UC637129  Trifolium hybridum Edward Lee 1934-8-10 1016 Siskiyou near Hamburg (s bank of Klamath River betw Mckinney and Parkhouse Creeks) 609 Comment
  RSA183650  Trifolium hybridum Gilbert Muth 1965-8-16 228 Siskiyou Marble Valley Comment
  RSA237885  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake. the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1707 Comment
  HSC69188  Trifolium longipes Maralyn A. Renner 1980-8-31 2630 Siskiyou Twin Valley. 1494 Comment
  JEPS109714  Trifolium longipes subsp. oreganum Dean W. Taylor 2002-7-21 18275 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes. Shasta-Trinity National Forest. 2316 Comment
  HSC71623  Trifolium microcephalum J. P. Smith 1973-5-5 6559 Siskiyou Scott Bar along the Scott River Comment
  UC1045249  Trifolium pratense W. B. Cooke 1940-7-5 15235 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
  HSC71541  Trifolium pratense J. P. Smith, Steve Selva 1970-6-15 3894 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  HSC36434  Trifolium productum J. O. Sawyer 1969-7-24 1478 Siskiyou SW of Sugar Lake 1890 Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  UC1409227  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou near Young's Cabin (above trail in region of Upper Abbott's Cabin); Salmon Mtns 1828 Comment
  POM20461  Trifolium variegatum E. B. Copeland 1903-7-7 3554 Siskiyou Hornbrook. Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs 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
  RSA607098  Triglochin maritima L. C. Wheeler 1934-10-21 3327 Siskiyou Shasta Valley 4 miles east of Grenada 869 Comment
  CAS-BOT-BC519099  Trillium chloropetalum var. chloropetalum J. H. Thomas 1949-6-16 946 Siskiyou 1/4 mile north of Beaver Creek Public Camp along Beaver Creek, 5 miles north of junction of Beaver Creek and Klamath River, Klamath National Forest Comment
  UC30088  Trillium ovatum Harley P. Chandler June, 1901 1550 Siskiyou Ridges and meadows near Marble Mountain, 10 ft from melting snow 1828 Comment
  UCD139915  Trillium ovatum J. M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3718 Siskiyou Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  HSC18873  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 513 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  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
  RSA234818  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-6 149 Siskiyou Off Music Creek logging road, Statue Creek spur along Statue Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA184784  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  POM198622  Trisetum canescens Geo D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek. Comment
  HSC61491  Trisetum spicatum Ruby Van Deventer 19 Jul [year missing] Siskiyou Lookout Mtn. Comment
  JEPS82430  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou n side Black Mt.; Marble Mt. Wilderness Area 1981 Comment
  CAS-BOT-BC133494  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 914 Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  RSA78679  Triteleia crocea Philip A. Munz 1952-7-2 17872 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC44629  Tsuga mertensiana Jerome Peterson 1978-5-20 17 Siskiyou Haypress Meadow, Bulk Collection 130 Comment
  HSC68998  Tsuga mertensiana Maralyn A. Renner 1980-7-28 2200 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 Comment
  SBBG25348  Tsuga mertensiana J. M. Tucker 1963-7-5 3708 Siskiyou lower Blake's Fk of S Russian Crk (tributary of Salmon River) ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  UC572793  Tsuga mertensiana W. Bridge Cooke 1937-8-17 9295 Siskiyou lava slopes Mt. Shasta 2590 Comment
  UC1240171  Typha latifolia Verne Grant and Irving Schneider 1947-8-25 8284 Siskiyou near road to Lava Beds w side Tule Lake; w side of Tule Lake near road to Lava Beds Comment
  CAS-BOT-BC91273  Umbellularia californica Berta B. Kessel 1959-10-24 s.n. Siskiyou Pick-a-wish Forest Camp, about 8 miles south of Happy Camp. Comment
  SEINET10848747  Urtica dioica Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 895 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC404217  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  HSC18866  Vaccinium cespitosum J. O. Sawyer 1968-7-23 589 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS58731  Vaccinium cespitosum W. L. Jepson 1907-7-6 2851 Siskiyou near Cuddihy Valley Comment
  POM77558  Vaccinium cespitosum Geo D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake. 1677 Comment
  UCD118045  Vaccinium cespitosum D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp. Marble Mountain Wilderness Area. 1554 Comment
  CAS-BOT-BC199184  Vaccinium cespitosum W. R. Dudley 1901-8-13 s.n. Siskiyou Moraine of Jackson's Lake, Salmon Mts. Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  CAS-BOT-BC199227  Vaccinium membranaceum Doris K. Kildale 1929-7-20 8592 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CHSC88623  Vaccinium membranaceum Gail A. Newton 1981-8-1 2347 Siskiyou Klamath National Forest. On (very near) the Kelsey Trail. 1493 Comment
  HSC19334  Vaccinium membranaceum J. O. Sawyer 1969-7-3 1050 Siskiyou Near Lipstick Lake 1951 Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC19362  Vaccinium membranaceum J. O. Sawyer 1968-7-2 376 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC48273  Vaccinium membranaceum P. Stekel, K. Stillman May 1977 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC19415  Vaccinium scoparium J. O. Sawyer 1968-7-9 429 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC19521  Vaccinium scoparium J. O. Sawyer 1969-7-11 1536 Siskiyou S Sugar Creek 1829 Comment
  SJSU6511  Vancouveria hexandra R. W. Trivelpiece 1972-6-15 116 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 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
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  JEPS62206  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Log Lake Comment