Search Results — 2000 specimen records retrieved (1392 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
  UC1267077  Abies Alan Bell July 1962 Siskiyou Tangle Blue Creek Trinity-Salmon Primitive Area, Scott Mountains, Mosquito Lak (headwaters, tributary of Trinity River) 1981 Comment
  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
  HSC4976  Abies X shastensis J. O. Sawyer 1968-9-13 715 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA237368  Abies amabilis Frederick W. Oettinger 1967-8-26 331 Siskiyou Around Diamond Lake; tree at south side of lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC31506  Abies concolor Steve Selva, Roger Jensen 1974-8-16 17 Siskiyou Above Sugar Lake trail Comment
  HSC49827  Abies lasiocarpa D. A. Thornburgh Aug 1978 Siskiyou Junction of Sky lake and Main Rim trails 1921 Comment
  HSC41957  Abies magnifica Sue Sweet 1977-5-21 66 Siskiyou Off Road 8 on the Sugar Creek Trail along Sugar Creek 1585 Comment
  JEPS84283  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  CAS-BOT-BC330617  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  HSC27600  Acer circinatum Carl W. Mize 1972-6-10 53 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  UC1043450  Acer circinatum P. C. Everett and E. K. Balls 1954-10-11 20270 Siskiyou on road to Castle Lake 3 mi sw from town Mt. Shasta; S Fork Sacramento River, on road to Castle Lake 883 Comment
  CAS-BOT-BC331045  Acer glabrum var. glabrum Milo S. Baker 1926-8-22 295 b-26 Siskiyou Mineral to Sulphur Springs 1767 Comment
  JEPS80656  Acer glabrum var. torreyi W. B. and V. G. Cooke 1977-9-25 54884 Siskiyou on roadside bank above Mud Creek Dam Road Mt. Shasta (Mt. Shasta) 1676 Comment
  SEINET12765809  Acer glabrum var. torreyi J. P. Smith 1970-6-16 4064 Siskiyou 8 miles west of Etna on road to Sawyers Bar.; 0 1372 Comment
  CAS-BOT-BC332784  Acer macrophyllum L. R. Short 1933-6-16 46 Siskiyou Klamath Forest. 762 Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  UC170342  Acer negundo Geo. D. Butler 1908-7-11 1030 Siskiyou Yreka Comment
  CAS-BOT-BC28855  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  HSC4996  Achillea millefolium J. O. Sawyer 1968-7-23 609 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  SD104870  Achillea millefolium Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of California Highway 97 1830 Comment
  UC1045301  Achillea millefolium W. Bridge Cooke 1904-7-7 15480 Siskiyou along west rim near upper limits of Hudsonian Zone Mud Creek Canyon; Mount Shasta 2743 Comment
Read comments
Oct 9 2007
  UC61076  Achillea millefolium W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson; Mount Shasta Comment
  HSC4564  Achillea millefolium R. C. Wunner 1965-6-22 257 Siskiyou California Lava Beds National Monument, Canby Bay. 1220 Comment
  HSC96834  Achillea millefolium S. Lyon, J. McIntire 2006-6-25 21 Siskiyou On FS 39N35, .25 mi. SE of intersection with Road 39N27 1341 Comment
  UC1483542  Achlys triphylla subsp. triphylla Maralyn A. Renner 1980-6-26 1184 Siskiyou Klamath National Forest, at n edge of Flint Valley Flint Valley; Klamath National Forest, Flint Valley 1389 Comment
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Aug 4 2012
  CHSC83256  Achnatherum occidentale subsp. californicum L. P. Janeway 2002-7-13 7643 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  SEINET203569  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs; Mt Shasta 1524 Comment
  UCD51039  Achnatherum occidentale subsp. californicum L. Whitney 1935-7-15 3475 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  RSA17732  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  CAS-BOT-BC29150  Achyrachaena mollis George Dexter Butler 1909-5-1 666 Siskiyou Block 5, Yreka Comment
  SBBG25819  Acmispon americanus D. Myrick 1966-8-8 1494 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA608668  Aconitum columbianum Louis C. Wheeler 1963-9-11 8382 Siskiyou Siskiyou Mountains: Dillon Creek. 1494 Comment
  HSC22296  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-23 1186 Siskiyou Along road near Horse Range Creek. 1341 Comment
  CAS-BOT-BC412910  Aconogonon davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  CAS-BOT-BC412915  Aconogonon davisiae John Thomas Howell 1937-7-24 13376 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC78418  Aconogonon davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  UCD77946  Aconogonon davisiae Robert E. Preston 2001-6-23 1594 Siskiyou Klamath National Forest, n-facing ridge of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2103 Comment
  UCD98559  Aconogonon newberryi R. Tofsrud 1948-8-2 s.n. Siskiyou Near Panther Meadow, Mt. Shasta. Comment
  CAS-BOT-BC418813  Aconogonon phytolaccifolium Annie M. Alexander; Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  RSA68866  Actaea rubra subsp. arguta A. E. Culbertson 1943-6-23 90 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  HSC69392  Adenocaulon bicolor Maralyn A. Renner 1980-8-31 2641 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  JEPS95063  Agastache parvifolia Vernon Oswald and Lowell Ahart 1997-7-28 8771 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1365 Comment
  HSC76710  Agastache urticifolia K. T. Stillman 1976-7-14 229 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1212567  Ageratina occidentalis Francia Chisaki and Helen K. Sharsmith 1959-8-20 4743 Siskiyou between Forks of Salmon and Somes Bar (several miles from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  UC454302  Ageratina occidentalis I. J. Condit 1909-8-23 55 Siskiyou summit of ridge near Sisson,; Castle Lake 2133 Comment
  HSC29227  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake 1951 Comment
  RSA50159  Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp, road from Etna to Sawyer's Bar. 817 Comment
  HSC92582  Agoseris aurantiaca Jennifer Whipple 1977-8-6 2212 Siskiyou Mt. Eddy; SW of Dobkins Lake along drainage into the lake 2195 Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC922269  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5832 Siskiyou se, in meadow Paradise Lake; Marble Mountains 1920 Comment
  JEPS93824  Agoseris heterophylla Vernon H. Oswald and Lowell Ahart 1998-6-11 9196 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC110758  Agropyron cristatum T. C. Fuller 1963-8-26 11161 Siskiyou North limits of Macdoel, Butte Valley. Comment
  CAS-BOT-BC126990  Agrostis exarata Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  UC1190233  Agrostis exarata Ira L. Wiggins 1955-7-22 13453 Siskiyou 9.5 mi above Cecilville (South Fork Salmon River); South Fork Salmon River 1066 Comment
  UCD35431  Agrostis exarata Beecher Crampton 1956-8-21 3826 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD52547  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou 1/2 mile northeast of Gumboot Lake, headwaters of the south fork of the Sacramento River. 1767 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  JEPS84089  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6387 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  RSA239098  Agrostis idahoensis Frederick W. Oettinger 1968-9-7 765 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC138935  Agrostis pallens John Thomas Howell 1939-8-9 15213 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC30515  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 Siskiyou Marble Mtn. Wilderness Area, rocky slope facing meadow near Upper English Lake 1768 Comment
  HSC30536  Agrostis pallens Frederick W. Oettinger 1969-8-24 1537 Siskiyou Marble Mtn. Wilderness Area, on slope NW of English Peak near the trail. 1753 Comment
  RSA239085  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Shasta Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC65669  Agrostis scabra Donald W. Miles 1979-7-21 21 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  SEINET3916651  Agrostis scabra J. P. Smith, J. O. Sawyer; Maralyn A. O'Meara 1972-7-4 5732 Siskiyou 1.4 miles south of sugar creek on Parrott Mill Road.; 0 1341 Comment
  CAS-BOT-BC162059  Agrostis stolonifera Elmer I. Applegate 1895-8-23 801 Siskiyou West side of Klamath Lake, near Pelican Bay. Comment
  HSC91586  Agrostis thurberiana Jennifer Whipple 1977-8-6 2214 Siskiyou SW of Dobkins Lake, along drainage into lake. 2256 Comment
  UC1059002  Agrostis thurberiana Beecher Crampton 1956-8-22 3856 Siskiyou Panther Meadow, s slope of Mt. Shasta Mt. Shasta 2316 Comment
  CAS-BOT-BC138480  Agrostis variabilis John Thomas Howell 1937-7-24 13419 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC459428  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou near Yreka Comment
  UC1560907  Allium bolanderi Hannah C. Aase 1940-7-6 Siskiyou 2.5 mi w Hilt Comment
Read comments
Jun 18 2011
  SEINET12048086  Allium bolanderi Unknown 1942-1 52 Siskiyou 2.5 mi W of Hilt Comment
  JEPS15031  Allium falcifolium E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1913 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC1090392  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mt. 1645 Comment
  SEINET12053509  Allium falcifolium H. P. Chandler 1901-1 1647 Siskiyou Marble Mountain 2438 Comment
  JEPS47605  Allium siskiyouense Geo. D. Butler 1909-5-3 791 Siskiyou Yreka hills Yreka Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
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Mar 27 2015
  HSC39473  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
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Apr 23 2015
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1133842  Allium validum H. A. Jensen 1933-6-25 331 Siskiyou near Wagon Camp; Shasta National Forest, Dunsmuir Quadrangle Comment
  POM109982  Allium validum Geo D. Butler 1908-8-3 112 Siskiyou Log Lake, Shackleford Creek 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
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  UC1409505  Allotropa virgata F. W. Oettinger 1973-8-23 1515 Siskiyou Chimney Rock and Smith Lake, Salmon Mountains 1417 Comment
  CAS-BOT-BC171400  Alnus incana subsp. tenuifolia Doris K. Kildale 1928-8-18 6493 Siskiyou head of N Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC171405  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  HSC27461  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1972-5-28 5376 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  CAS-BOT-BC169646  Alnus rhombifolia W. R. Dudley 1901-8-26 s.n. Siskiyou By East Fork of Scotts Creek, Salmon Mountains Comment
  HSC45043  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-21 3288 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  UC1313037  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yd from Deep Creek (and 1/4 mi n of Deep Lake); Marble Mountain Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  HSC65316  Amaranthus powellii J. P. Smith, Steve Selva 1970-8-9 4584 Siskiyou In potato fields W of Macdoel. Comment
  JEPS123517  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-7-3 13 -147 Siskiyou SkiPark Highway, Pierce Comment
  UC1505822  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-26 4948 Siskiyou canyon of Mud Creek canyon of Mud Creek, Mt. Shasta; So. Cascade Mts., Mt. Shasta, Sacramento River Basin 1524 Comment
  HSC4959  Amelanchier pallida J. O. Sawyer 1968-7-22 529 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC65538  Amelanchier pallida R. White 1977-6-20 88 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  JEPS123617  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -351 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  SEINET10736916 Image available Amelanchier pallida Cyrus G. Pringle 1882-9-5 Pringle 14506 Siskiyou 1829 Comment
  CAS-BOT-BC136882  Amelanchier utahensis Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC28270  Amphiscirpus nevadensis Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39044 Siskiyou Ca 2 mi W of Lower Klamath National Wildlife Refuge 1295 Comment
  UC174986 Image available Amsinckia intermedia E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon; ; Klamathon, Siskiyou Co. Comment
  SEINET3151698  Amsinckia intermedia G. D. Butler 1910-5-3 1269 Siskiyou Dry land Yuka Comment
  CDA40472  Amsinckia menziesii T. C. Fuller 1966-5-26 14714 Siskiyou Quartz Valley, 2 miles west of Greenview. 0 Comment
  JEPS41791  Anagallis linifolia Maxine Gibeson 1966-2-21 Siskiyou edge of Carlton Pasture, Elliott Creek Canyon Elliott Creek Canyon; Rogue R. Nat'l Forest, Elliott Creek Canyon (tributary of Ap Comment
  HSC23641  Anaphalis margaritacea J. O. Sawyer 1969-8-4 1912 Siskiyou Above S Sugar Lake 2043 Comment
  UC134306  Anaphalis margaritacea Copeland 1903-8-13 3816 Siskiyou Sisson Comment
  UC179644  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou Mt. Eddy 2133 Comment
  UCD77331  Anaphalis margaritacea Robert E. Preston 2003-7-29 2166 Siskiyou S slope of Rainbow Mountain 1785 Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  RSA501140  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  JEPS20406  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek Siskiyou Mountains, Greenhorn Creek 944 Comment
  HSC44378  Anemone deltoidea Maralyn O'Meara 1973-6-25 234 Siskiyou Music Creek 1463 Comment
  HSC4934  Anemone deltoidea J. O. Sawyer 1968-9-13 719 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  SJSU6489  Anemone deltoidea R. W. Trivelpiece 1972-6-14 105 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC8902  Anemone drummondii Harley P. Chandler June 1901 1676 Siskiyou Marble Mt. North Coast Ranges, Marble Mt. Comment
  JEPS82704  Anemone drummondii Wayne Roderick 1984-6-7 Siskiyou on Hwy. 17 on rd. to Mt. Eddy (n. side) Comment
  SEINET12098580  Anemone multifida H. P. Chandler 1901-1 1657 Siskiyou North Coast Ranges 2438 Comment
  JEPS40860  Anemone occidentalis Paul C. Hutchison 1962-8-2 943 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta 2895 Comment
  HSC35774  Angelica tomentosa J. O. Sawyer 1969-9-12 2009 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  UCD127177  Angelica tomentosa Joseph DiTomaso 1980-8-5 1853 Siskiyou Baldy Mt. Lookout, 6 miles west of Happy Camp. 200 m north of lookout. 1706 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  CAS-BOT-BC69168  Antennaria dioica John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS13177  Antennaria geyeri W. L. Jepson 1894-1 Siskiyou Sisson Comment
  CAS-BOT-BC84791  Antennaria racemosa Doris K. Kildale 1929-7-20 8588 Siskiyou Southeast spur of Preston Peak 1950 Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC909318  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 Siskiyou near Sniktaw Creek (along road at Quartz Valley); Quartz Valley 914 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  HSC91437  Apocynum androsaemifolium Jennifer Whipple 1977-8-5 2179 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  UC1282014  Apocynum androsaemifolium Louise Kellogg 1953-8-8 110 Siskiyou on rd. between Callahan and Trinity Center (n.w. slope Scott Mt.); Klamath Nat'l Forest, Scott Mts., Mule Creek 1402 Comment
  RSA403114  Apocynum androsaemifolium subsp. pumilum M. B. Dunkle 1944-6-25 9029 Siskiyou Siskiyou Natl. Forest Comment
  CAS-BOT-BC395146  Aquilegia formosa Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC397942  Aquilegia formosa Doris K. Kildale 1928-7-2 5398 Siskiyou Salmon Summit, Horn Creek Trail 1981 Comment
  UC618885  Aquilegia formosa W. B. C. 1938-7-29 11424 Siskiyou Bear Springs Mount Shasta 1737 Comment
  HSC37161  Aquilegia formosa var. formosa A. M. Montalvo, J. D. Ackerman 1974-7-2 347 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC22411  Arabis divaricarpa var. interposita J. O. Sawyer 1969-7-25 1550 Siskiyou West of High Lake 2256 Comment
  CAS-BOT-BC17356  Arabis eschscholtziana John Thomas Howell 1937-7-21 13202 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA52143  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  JEPS53064  Arabis glabra Geo. D. Butler 1908-8-3 123 Siskiyou Log Lake Shackelford Creek Comment
  HSC92694  Arabis modesta D. L. Goforth 1980-4-26 499 Siskiyou Klamath River at McKinney Creek 537 Comment
  RSA0129718  Arabis platysperma var. platysperma Gilbert Muth 1969-8-10 1336 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  JEPS104823  Arabis subpinnatifida Dean W. Taylor 1996-5-29 15642 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  JEPS20042  Arabis subpinnatifida George D. Butler 1909-4-8 587 Siskiyou hills w Yreka Comment
  UCR37603  Arabis subpinnatifida K. Faber, Scott LaChance, Mike Rekart 1984-5-26 51 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  SBBG5139  Aralia californica H. and M. Dearing 1939-6-19 3686 Siskiyou French Crk 731 Comment
  HSC67761  Arbutus menziesii John Palmer 1980-8-15 961 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  SEINET2471287  Arceuthobium abietinum R. L. Mathiasen 2007-9-15 2007 -40 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  CHSC97967  Arceuthobium californicum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake. Shasta-Trinity National Forest. 1330 Comment
  JEPS84178  Arceuthobium campylopodum L. R. Heckard with J. Hickman et al. 1986-7-17 6489 Siskiyou ca 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station rd to Condrey Mt.) 1480 Comment
  SEINET2471246  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-21 2007 -57 Siskiyou Summit of Black Butte 1900 Comment
  SEINET2140110  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte). 1530 Comment
  JEPS81758  Arctostaphylos klamathensis Albert Seneres, Stephen Edwards, and Nigel Harold 1982-10-5 Siskiyou Terrace Lake 1920 Comment
  SEINET11989649  Arctostaphylos klamathensis A. Seneres, Edwards, S.; Harold, N. 1982-1 s.n. Siskiyou Terrace Lake 1920 Comment
  CAS-BOT-BC40019  Arctostaphylos nevadensis Gilbert Muth 1969-8-10 1335 Siskiyou Ridge w. of Boulder Peak 2377 Comment
  HSC67697  Arctostaphylos nevadensis John Palmer 1980-7-24 581 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69205  Arctostaphylos nevadensis Maralyn A. Renner 1980-9-1 2680 Siskiyou Bear Mtn. Comment
  HSC76972  Arctostaphylos nevadensis K. T. Stillman 1976-6-25 46 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  UC21874  Arctostaphylos nevadensis W. H. Brewer 1862-9-13 1381 Siskiyou Mount Shasta 1828 Comment
  CAS-BOT-BC46435  Arctostaphylos patula H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy. Above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46463  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mts. Comment
  CAS-BOT-BC46480  Arctostaphylos patula Doris K. Kildale 1928-7-2 5340 Siskiyou Salmon Summit, on the Horn Creek Trail. 1981 Comment
  HSC29317  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou Marble Mountain Wilderness Area: High Lake Basins, N end of Hancock Lake 1936 Comment
  HSC67779  Arctostaphylos patula J. O. Sawyer, J. Cole 1980-7-21 3864 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC7700  Arctostaphylos patula Unknown Siskiyou Lava Beds N.M. Island Butte on Black Lava Flow 1646 Comment
  JEPS38840  Arctostaphylos patula W. L. Jepson 1914-8-14 6163 Siskiyou Dunsmuir 670 Comment
  RSA238582  Arctostaphylos patula Frederick W. Oettinger 1969-7-14 1018 Siskiyou On the ridge between David Montain (peak S.W. of Charmaine Lake) and the peak due S. of Abbotts lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC165732  Arctostaphylos patula Geo. D. Butler 1909-5-30 794 Siskiyou hills near Yreka Comment
  UCD53302  Arctostaphylos patula Roman Gankin; Chas. Lamoureux and Lalit Srivastava 1957-11-4 260 Siskiyou U.S. Hwy 199; east side of hwy; approximately 2 miles north of Weed. Comment
  SEINET11988295  Arctostaphylos patula C. Lamoureux, Srivastava, L.; Gankin, R. 1957-1 260 Siskiyou US 199, E side of hwy, approximately 2 mi N of Weed Comment
  SEINET5460632 Image available Arctostaphylos patula Ross C. Clark, Bob Harvey; Chris Harvey 23912 Siskiyou Town of Mt. Shasta Comment
  CAS-BOT-BC47014  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-7-1 5323 Siskiyou Forks of Salmon. Comment
  JEPS38756  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-3-21 659 Siskiyou Oro Fino Comment
  JEPS105628  Arenaria congesta var. suffrutescens L. P. Janeway 2003-8-9 7960 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake, just over north edge of the ridge 1786 Comment
  UC454233  Arenaria congesta var. suffrutescens I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  JEPS84346  Arnica L. R. Heckard with J. Hickman et al. 1986-7-17 6539 Siskiyou Alex Hole (s end) Condrey Mt. 1980 Comment
  RSA417122  Arnica cernua J. P. Smith 1973-5-5 6486 Siskiyou Along Cook and Green Pass road. Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  HSC92328  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou N facing slopes in Mt. Eddy region on Deadfall Mtn. 2226 Comment
  CAS-BOT-BC295874  Arnica dealbata J. O. Sawyer; R. J. Cole 1980-7-21 3823 Siskiyou .2 miles east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC22482  Arnica diversifolia J. O. Sawyer 1969-7-24 1483 Siskiyou SW of Sugar Lake 1890 Comment
  CAS-BOT-BC82606  Arnica lanceolata subsp. prima Doris K. Kildale 1929-8-24 9082 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CHSC95117  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. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  UC468980  Arnica latifolia Annie M. Alexander and Louise Kellogg 1911-6-24 183 Siskiyou Jackson L. 1798 Comment
  HSC29103  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou Marble Mtn. Wilderness Area, about 0.2 mile due NE of Charmaine Lake 1890 Comment
  HSC46239  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  UCD129152  Arnica mollis Joseph M. DiTomaso 1975-9-10 319 Siskiyou meadow on slope; Caribou side of Sawtooth Ridge. Trinity Alps. 2194 Comment
  UC1072716  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (above se shore) Klamath Mountains, Salmon Mountains 1950 Comment
  UC1408812  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou nw above Upper English Peak; Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  UC1409369  Arnica ovata Frederick W. Oettinger 1969-8-19 1441 Siskiyou 1/2 mi nne of, English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English L 1950 Comment
  CAS-BOT-BC85041  Arnica spathulata Doris K. Kildale 1929-7-20 8706 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC90088  Arnica viscosa A. A. Heller 1920-8-12 13519 Siskiyou near Horse Camp, Mt. Shasta Comment
  HSC63613  Arnica viscosa Richard Spjut, Emelia Russell 1979-8-28 5510 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  UCD56028  Arrhenatherum elatius A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3442 Siskiyou Near Happy Camp. On sandy banks of Klamath River. Comment
  UC179528  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou along the railroad embankment near Deetz <railroad> station (opposite Black Butte) 1158 Comment
  UCD129319  Artemisia douglasiana Collector Unknown Date Unknown s.n. Siskiyou Exact location unknown. Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  RSA416094  Asarum caudatum M. B. Dunkle 1945-1 s.n. Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CAS-BOT-BC400699  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou On the plateau just above Shasta Springs Comment
  UC164124  Asclepias cordifolia Geo. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  SEINET10829548  Asclepias cordifolia F. Marion Ownbey, D. H. Brown 1941-6-22 Ownbey 2423 Siskiyou Gravelly ridge W of Craggy Mountain, NW of Yreka 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
  SEINET3158762  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  CHSC71561  Asclepias speciosa Vernon H. Oswald; Lowell Ahart 1998-8-3 9413 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  JEPS6285  Asclepias speciosa W. L. Jepson 1940-6-22 19971 Siskiyou Hornbrook 670 Comment
  UC1037352  Asclepias speciosa Douglas Barbe 1955-6-28 22 Siskiyou 0.8 mi n Callahan; Klamath Mountains 975 Comment
  SEINET7120959  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou Near Yreka Comment
  HSC69164  Aspidotis densa Maralyn A. Renner 1980-8-8 2468 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC71077  Aspidotis densa M. A. Baker 1980-6-20 2198 Siskiyou Near Bald Mtn. 1036 Comment
  HSC92678  Aspidotis densa Jennifer Whipple 1976-8-20 1725 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  RSA792295  Aspidotis densa Rebecca Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93/Cecilville Road to Hidden Lake. 1890 Comment
  CDA42728  Aspidotis densa D. Janssen & F. D. Horn 1978-6-5 s.n. Siskiyou Summit of Indian Creek to O Brien Road, near Happy Camp. 0 Comment
  POM193509  Aster oregonensis J. B. Feudge 1928-8-11 1912 Siskiyou Mt. Shasta City 1037 Comment
  CAS-BOT-BC178821  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Road Comment
  JEPS116601  Astragalus californicus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -14 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  CAS-BOT-BC182966  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mts. from Turn off near Callahan, area 5-6 mi beyond Turn off Comment
  CHSC91348  Astragalus gambelianus Lowell Ahart; John Dittes 2005-6-9 12013 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC186920  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA26469  Astragalus lentiginosus var. salinus Alice Eastwood, J. T. Howell 1940-6-14 8271 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  HSC76923  Astragalus purshii var. lectulus K. T. Stillman 1976-6-26 137 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  POM259608  Astragalus purshii var. tinctus J. T. Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC200849  Astragalus utahensis Geo. D. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  UC1333511  Astragalus whitneyi John F. Davidson 1947-5-17 4635 Siskiyou 5 mi from Callahan (27 mi from Trinity Center, in draw on first summit Scott Mt. Road on n slope Scott Mt.); n slope Scott Mt., <nr> Callahan, 27 mi fr Trinity Center Comment
  UC726555  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou e side Mt. Eddy Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  HSC30653  Asyneuma prenanthoides Frederick W. Oettinger 1969-8-5 1198 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mtn. Wilderness Area, on slope along trail between Abbott's Upper Cabin and English Lake, just above Willow Springs. 1677 Comment
  HSC44583  Asyneuma prenanthoides Laura Witherspoon 1977-8-10 Siskiyou 2 mi. up FS Rd. 12N13 W of Bald Butte 610 Comment
  HSC35798  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-7-2 356 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC150686  Athyrium filix-femina var. cyclosorum Copeland 1903-9-5 3848 Siskiyou Mt. Eddy 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
  POM211519  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  UC203922  Avena fatua Geo. D. Butler 1909-9-26 870 Siskiyou along creek near Yreka Comment
  UCD56306  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3395 Siskiyou 7 miles N of Weed. Comment
  UC573160  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 Siskiyou 1/4 mi e of Symbol Bidge 1417 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  UC9755  Berberis nervosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC75916  Berberis piperiana Doris K. Kildale 1928-7-25 5915 Siskiyou At Humboldt-Siskiyou county line near Somes Bar. Comment
  CAS-BOT-BC76009  Berberis pumila Doris K. Kildale 1929-7-20 8610 Siskiyou Elk Lick, South Fork of Inidan Creek. 1524 Comment
  UC1001148  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou Low hillsides on Quartz Valley (Mill Creek) 883 Comment
  POM82480  Berula erecta Geo. D. Butler 1910-7-17 1725 Siskiyou [Unspecified] Comment
  CAS-BOT-BC169480  Betula occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11823 Siskiyou East Fork of Scott River drainage, Parker Ranch, Plowman's [Noyes] Valley 1203 Comment
  JEPS58658  Betula occidentalis W. L. Jepson 1914-8-13 5794 Siskiyou swamps Sisson 1097 Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC413080  Bistorta bistortoides Doris K. Kildale 1929-8-24 9039 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC44242  Blepharipappus scaber M. A. Baker 1977-5-22 325 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  JEPS95284  Blepharipappus scaber Vernon H. Oswald and L. Ahart 1994-8-1 6444 Siskiyou T41N R6W NW1/4 Sec. 22, 3760 ft, Yellow Pine Forest. Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed 1146 Comment
  CDA10529  Blepharipappus scaber G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2641 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  POM261245  Blepharipappus scaber H. C. Cantelow 1936-5-21 s.n. Siskiyou 12 miles from Etna on road to Callahan. Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  UC1090387  Blepharipappus scaber Milo S. Baker 1957-6-16 13167 Siskiyou turn off near Callahan (Scott Mt.); Scott Mt. Comment
  CAS-BOT-BC16892  Boechera Vesta Holt 1943-8-13 M- 16 Siskiyou Marble Mountains. Comment
  JEPS105132  Boechera breweri subsp. breweri Dean W. Taylor 1996-5-29 15640 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  CAS-BOT-BC16050  Boechera breweri subsp. shastaensis Lincoln Constance; Reed Clark Rollins 1942-5-14 2930 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  UC609356  Boechera divaricarpa Eleanor Burks Hart 1938-8-15 908 Siskiyou Upper Wright Lake 2255 Comment
  UCD114342  Boechera howellii Robert E. Preston 1984-7-26 495 Siskiyou Green Butte, on s slope of Mt. Shasta. Comment
  JEPS53088  Boechera pauciflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka Comment
  UC673129  Boechera pauciflora Lincoln Constance and Reed C. Rollins 1942-5-13 2905 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  CAS-BOT-BC14275  Boechera pinetorum Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  CAS-BOT-BC14536  Boechera puberula A. A. Heller 1920-7-9 13434 Siskiyou Long bare easterly slope of Mount Eddy. 2438 Comment
  CAS-BOT-BC14670  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25422  Boechera retrofracta L. E. Smith 1913-6-12 s.n. Siskiyou Road between Sisson and Castle Lake. Comment
  CAS-BOT-BC25426  Boechera retrofracta Alice Eastwood 1923-5-29 11989 Siskiyou Cantara. Comment
  CAS-BOT-BC25427  Boechera retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mountain Wilderness Area. Comment
  SEINET5340254  Boechera retrofracta G. Butler 1663 Siskiyou Lay Lake - Shackleford Creek. 1219 Comment
  CAS-BOT-BC25689  Boechera sparsiflora Elmer I. Applegate 1932-6-13 7239 Siskiyou Modoc Lave Beds. Captain Jack's Stronghold. Comment
  SEINET5340463  Boechera stricta G. Butler 1900-7-8 1664 Siskiyou Shackleford Creek. 1219 Comment
  CAS-BOT-BC418457  Boykinia major W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  RSA211104  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC375289  Brassica nigra Geo. D. Butler 1909-6-23 1051 Siskiyou Fields near Yreka. Comment
  CAS-BOT-BC172821  Brickellia grandiflora J. K. Nelson; J. R. Nelson; Soren Nelson 2004-8-29 2004 -096 Siskiyou South side Mt. Shasta, south side of McKenzie Butte, along Road 31 1584 Comment
  RSA238756  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou Base of cliff due ENE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC27803  Brickellia greenei Edward Lee Greene 1876-8-24 s.n. Siskiyou Scott Mountains Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  UC204738  Bromus carinatus var. carinatus Geo. D. Butler 1910-7-3 1622 Siskiyou Goosenest Foothills 1219 Comment
  HSC30593  Bromus carinatus var. marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, Crapo Meadow. 2134 Comment
  UCD59216  Bromus carinatus var. marginatus R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  CDA15578  Bromus japonicus G. F. Hrusa 1998-7-5 14685 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Gravelly, +- compacted pullout along side rd. Dense colony, not seen elsewhere in local area. Annual. Comment
  UC204777  Bromus madritensis subsp. rubens Geo. D. Butler 1910-5-4 1270 Siskiyou near Yreka Comment
  RSA239136  Bromus marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC162131  Bromus orcuttianus L. E. Smith 1914-7-6 747 Siskiyou Sisson. Comment
  RSA239074  Bromus orcuttianus Frederick W. Oettinger 1969-9-4 1639 Siskiyou On south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1190229  Bromus orcuttianus Ira L. Wiggins 1955-7-24 13497 Siskiyou between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  UCD59078  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  CAS-BOT-BC185093  Bromus pumpellianus A. A. Heller 1905-6-1 7935 Siskiyou Along the Sacramento River near Shasta Retreat. Between Upper Soda Spring and Shasta Retreat. 3048 Comment
  UCD59704  Bromus sterilis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3389 Siskiyou At Weed near habitations. Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  HSC103037  Bromus tectorum J. P. Smith 2014-6-7 13895 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC65420  Bromus tectorum J. P. Smith 1973-5-5 6548 Siskiyou Scott Bar along the Scott River Comment
  JEPS69222  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  HSC48285  Bromus vulgaris J. O. Sawyer, K. Stillman 1978-7-6 3302 Siskiyou Along Happy Camp-O'Brien Rd., above Louse Creek Comment
  HSC31054  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  RSA238380  Calamagrostis canadensis Frederick W. Oettinger 1969-8-6 1235 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  CAS-BOT-BC185271  Calamagrostis koelerioides Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -030 Siskiyou The Eddys, west of Mount Shasta. East of Toad Lake Trailhead, terminus of Forest Service Road 40N64, headwaters of Middle FOrk of upper Sacramento River. 2051 Comment
  HSC30642  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake, NW of Horse's Hole Pond 1921 Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  SBBG28166  Callitriche heterophylla var. bolanderi L. C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview, Scott Valley 883 Comment
  JEPS42838  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou near Oro Fino Comment
  CAS-BOT-BC85734  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy 1188 Comment
  JEPS24784  Calocedrus decurrens Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-1 6792 Siskiyou below and sw Mt. Shasta town (Sisson) (along South Fork of Sacramento River, between debouchements of Wagon and Scott Camp Creeks); Sacramento River 944 Comment
  RSA352871  Calocedrus decurrens B. C. Templeton 1969-9-5 11425 Siskiyou About 2 miles northwest of the town of Mt. Shasta 1090 Comment
  SEINET13289850 Image available Calocedrus decurrens D. K. Bailey 1972-1 72 -36 Siskiyou Happy Camp, 7 mi. NW Comment
  HSC26554  Calochortus coeruleus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19526 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  UC1076028  Calochortus coeruleus Herbert L. Mason 1947-5-17 14765 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  SEINET8201963  Calochortus elegans Unknown 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  UCD63043  Calochortus nudus Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  CAS-BOT-BC493097  Calochortus nudus Frank Callahan 1994-8-15 s.n. Siskiyou SE of Bartle both side of Hwy 89 in open to nearly closed canopy meadows with Salix and Pinus contorta. 1493 Comment
  CAS-BOT-BC132455  Calochortus persistens Frank Callahan 2007-6-15 s.n. Siskiyou Northeast flank of Cottonwood Peak, below road at marked point 1606 Comment
  CAS-BOT-BC132632  Calochortus uniflorus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 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
  UC609324  Caltha biflora Eleanor Burks Hart 1938-8-21 908 Siskiyou Upper Wright Lake. Comment
  HSC61821  Caltha leptosepala Al Hobart 1968-6-21 Siskiyou Poker Flat 1585 Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  CAS-BOT-BC273389  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  UC894270  Calycadenia truncata Alice Eastwood 1922-10-23 11552 Siskiyou Yreka Comment
  POM55529  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  HSC42976  Calystegia occidentalis subsp. occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  JEPS31612  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou near Yreka; near Yreka Comment
  POM89723  Campanula prenanthoides H. E. Brown 1897-7-15 527 Siskiyou South side Mt. Shasta. 1524 Comment
  SEINET11262424  Campanula prenanthoides Alv Dan Youngberg 1964-7-19 49 Siskiyou West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  SEINET10462859  Campanula prenanthoides Butler 1908-7-20 BUTLER 37 Siskiyou HEAD OF LONG GULCH NEAR YREKA Comment
  SEINET10463148  Campanula prenanthoides Ownbey 1940-7-4 OWNBEY 2171 Siskiyou Dry north slope, Siskiyou Mountains, northwest of Hornbrook Comment
  SEINET10463249  Campanula prenanthoides Thomas 1954-7-21 Thomas 4384 Siskiyou SALMON-TRINITY MTS CA 6 MI SE OF CECILVILLE, W SIDE RUSH CREEK. 975 Comment
  SEINET8037769  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain. 1219 Comment
  HSC75343  Campanula rotundifolia J. O. Sawyer, M. Mesler 1980-8-11 4039 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  RSA456187  Campanula rotundifolia M. B. Dunkle 1945-7-19 9220 Siskiyou Klamath Natl. Forest. Marble Mts. Southern exposure, Marble ledge Comment
  SEINET10464347  Campanula rotundifolia Albert Kellogg 1853-8-5 Kellogg 108 Siskiyou Cabin Meados, 1 miles north of Cory Peak, Klamath NAtional Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road) 1844 Comment
  SEINET10463371  Campanula scabrella Alice Eastwood 1912-8-30 Eastwood 2010 Siskiyou Mt. Eddy Comment
  SEINET10463783  Campanula scouleri Setchell 1902-7-12 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10463793  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou Nixon's Camp, Mount Shasta 671 Comment
  SEINET10463887  Campanula wilkinsiana Cooke 1947-8-20 COOKE 17822 Siskiyou Common in the meadow area around the water supply spring above Harse Camp, Mount Shasta 2515 Comment
  SEINET10463891  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou CREEK BED NEAR RED CAP, SCARCE 2438 Comment
  UC375295  Capsella bursa-pastoris Geo. D. Butler 1909-2-26 577 Siskiyou Yreka Comment
  CAS-BOT-BC263278  Cardamine R. C. Wenk 2005-6-17 166 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  CAS-BOT-BC37748  Cardamine californica J. H. Thomas 1954-5-13 4140 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River 5 to 9 miles southeast of Cecilville. 1066 Comment
  JEPS53394  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  RSA237262  Cardamine californica var. integrifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1247 Siskiyou Below Pine Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS80501  Carex Gilbert Muth 1966-7-8 357 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC18387  Carex A. A. Heller 1920-6-27 13390 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC19766  Carex abrupta John Thomas Howell 1939-8-3 14962 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC35808  Carex abrupta J. O. Sawyer 1969-7-12 1346 Siskiyou Edge of Sugar Lake 1799 Comment
  UC618716  Carex abrupta J. W. Stacey 1938-8-15 11258 Siskiyou Wagon Camp, in the meadow near the springs Mount Shasta, Wagon Camp Comment
  RSA237241  Carex abrupta Frederick W. Oettinger 1969-8-22 1505 Siskiyou Sandy bed of dry inlet into Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  SEINET7548183 Image available Carex abrupta Frederick W. Oettinger 1969-9-1 1577 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, sandy margin of Katherine Lake. 2027 Comment
  UC1738777  Carex amplifolia Dean W. Taylor 1993-7-30 13986 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
Read comments
Feb 9 2009
  CAS-BOT-BC17866  Carex amplifolia Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  SEINET10343551  Carex angustata Philip E. Hyatt 2002-8-6 11142 Siskiyou Ft. Goff Recreation Area along Klamath River Comment
  CAS-BOT-BC17966  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta. Near Spring. Comment
  CAS-BOT-BC17967  Carex angustata L. E. Smith 1914-5-12 691 Siskiyou Sisson. Comment
  HSC33303  Carex angustata William J. Ferlatte 1974-7-26 1594 Siskiyou Big Flat, near S fork of the Salmon River. Bottom of meadow W of campground 1509 Comment
  CAS-BOT-BC64987  Carex atherodes Peter F. Zika 2009-8-16 24601 Siskiyou On north side of route 97, 0.4 road miles ENE of Grass Lake Rest Area 1540 Comment
  JEPS63764  Carex athrostachya B. C. Goldsmith 1916-9-29 32 Siskiyou Lava ash-pumice, Medicine Lake. Comment
  SEINET13329598  Carex aurea D. W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog along unnamed creek between Grouse Creek and Little Carmen Creek along Forest Road 40N08 1189 Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS109271  Carex bolanderi D. W. Taylor 2005-7-14 19401 Siskiyou Wagon Camp, along Forest road 40N25, Panther Creek drainage, Mount Shasta Comment
  HSC61112  Carex bolanderi Ruby Van Deventer Aug 1955 Siskiyou FS 17N04, road to Doe Flat 1220 Comment
  CHSC70771  Carex brainerdii A. Francis 1996-7-17 3642 Siskiyou Medicine Lake Highlands, just E of 49 road, NE of Medicine Lake Glass Flow. 2225 Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  HSC76384  Carex concinnoides L. P. Janeway 1982-6-22 21 Siskiyou 400 m NE of West Branch Guard Station near road to Indian Creek, 15 m below road, near creek 671 Comment
  SEINET7557883 Image available Carex echinata Robert F. C. Naczi 1993-7-13 3267 Siskiyou Ca 7.5 mi SE of Callahan, along W side of route 3, 0.3 mi N of Trinity Co border. 1615 Comment
  UC1265344  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou midway on trail between Diamond Lake and Hancock Lake (at Base Camp); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC63480  Carex echinata subsp. echinata M. A. Baker 1979-7-31 1090 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  UC55223  Carex feta H. M. Hall and E. B. Babcock June, 1903 4061 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  SEINET11309789 Image available Carex fracta Unknown 2009-1 24603 Siskiyou Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. Cascade Range Highlands (CaRH). Comment
  CAS-BOT-BC9328  Carex fracta Wm. Bridge Cooke 1939-7-7 13621 Siskiyou Mount Shasta. Lower Wagon Camp springs 1737 Comment
  JEPS63657  Carex fracta B. C. Goldsmith 1916-10-10 38 Siskiyou Willow Creek, Mount Shasta Comment
  HSC91224  Carex geyeri Jennifer Whipple 1976-6-17 1019 Siskiyou N face of Mount Eddy 2134 Comment
  CHSC82813  Carex halliana L. P. Janeway 2002-7-13 7634 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  JEPS95092  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  SEINET515838  Carex halliana Vernon Oswald 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  HSC81979  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-16 4860 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC77213  Carex hassei L. P. Janeway 1983-8-6 489 Siskiyou At Poker Flat, near seep drainage at front edge of upper portion of meadow. 1524 Comment
  SEINET10916252  Carex illota Louis C. Wheeler 1935-7-26 Wheeler 3720 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. 1951 Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  HSC59014  Carex integra Marvin Butler 1971-7-7 40 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction 2073 Comment
  RSA783704  Carex integra Barbara L. Wilson, Richard E. Brainerd 2010-8-8 16263 Siskiyou Gumboot Lake. 1875 Comment
  SEINET4292186 Image available Carex integra Unknown 2006-1 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Moutain Summit. Scott Mountain 7.5' quad. Comment
  CAS-BOT-BC35478  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou near lower Wagon Camp Springs 1737 Comment
  HSC505  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  SEINET7563602 Image available Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. Deadman Peak 7.5' quad. 1579 Comment
  HSC45542  Carex lanuginosa J. P. Smith, Steve Selva 1970-7-16 4373 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC76377  Carex lenticularis var. lipocarpa L. P. Janeway 1982-6-25 24 Siskiyou 300 m. SE of No Mans Creek, 600 m. up Creek from the Clear Creek Rd. 610 Comment
  UCD77472  Carex luzulina Robert E. Preston 2001-7-21 1747 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC99657  Carex luzulina Jennifer Whipple 1976-7-2 1248 Siskiyou Slopes and meadows near Durney Lake, along stream draining lake 2073 Comment
  CAS-BOT-BC31633  Carex luzulina var. ablata Peter H. Raven 1956-9-4 10381 Siskiyou Ridge S of Mt. Eddy. 2286 Comment
  JEPS109246  Carex luzulina var. ablata D. W. Taylor 2005-8-18 19481 b Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  HSC68461  Carex mendocinensis Maralyn A. Renner 1980-7-4 1455 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CHSC96404  Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Klamath Ranges. Salmon Mountains: slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  CAS-BOT-BC23420  Carex multicostata John Thomas Howell 1937-7-26 13557 A Siskiyou Caribou Meadow Comment
  CAS-BOT-BC119470  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC119291  Carex occidentalis John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC119202  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  SEINET10949630  Carex paucicostata Thomas W. Nelson, Jane P. Nelson 1979-6-16 Nelson 4862 Siskiyou China Mountain Quad. T40N, R8W, Secs. 24 & 25. Drying meadow above Mule Creek along State Route 3, 4.4 miles north of Scott Mountain Summit. 1219 Comment
  CHSC86629  Carex praegracilis Jenny Marr 1993-7-1 12 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC91376  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12083 Siskiyou West edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC53659  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-20 1056 A Siskiyou On cinder cone SW of Undertakers Camp. 2087 Comment
  HSC68504  Carex rossii Maralyn A. Renner 1980-6-22 935 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  UCR52392  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, at bottom of the break between the upper & lower portions of the meadow 1524 Comment
  HSC61816  Carex rostrata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SEINET3908064  Carex scopulorum K. Morris, Conrad; Dunn 1973-6-2 346 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263.; 0 Comment
  CAS-BOT-BC117241  Carex spectabilis Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38949 Siskiyou S slope Mt. Shasta, Panther Creek Meadows. Mt. Shasta National Forest. 2194 Comment
  CAS-BOT-BC117254  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  HSC39292  Carex spectabilis J. O. Sawyer 1969-8-2 1720 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC1265455  Carex spectabilis Frederick W. Oettinger 1969-8-6 1254 Siskiyou New York Flumes, Pine Lake Basin Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC30702  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak and N of English Peak 1936 Comment
  HSC76307  Carex spectabilis L. P. Janeway 1982-8-15 150 Siskiyou SW side of Echo Lake 1677 Comment
  UC1265478  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou trail se Tom's Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC1265479  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou se Arrow Peak (n of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC33155  Carex straminiformis William Henry Brewer 1397 Siskiyou Pyramid Peak Comment
  HSC37418  Carex subfusca J. O. Sawyer 1969-7-11 1328 Siskiyou S Sugar Creek 1829 Comment
  SEINET10750082  Carex subfusca William B. Cooke 1941-9-10 Cooke 16309 Siskiyou In the vicinity of Horse Camp, Mt. Shasta. 2438 Comment
  UC194549  Carex vesicaria Geo. D. Butler 1910-7-8 1666 Siskiyou Log Lake Shackleford Creek 1219 Comment
  HSC76829  Carex vesicaria L. P. Janeway 1982-7-2 38 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  HSC29628  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  HSC19026  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-7-9 1202 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  JEPS16626  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-28 311 Siskiyou 1 mi w Scott Mt. Camp (near the Siskiyou-Trinity County line); Klamath Mountains 1676 Comment
  UC1034030  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 18 1940-Jul 19 1940 26185 Siskiyou 2-3 mi n Mount Shasta City (Route 99) 1158 Comment
  JEPS4830  Castilleja arachnoidea W. L. Jepson 1894-8-4 21470 Siskiyou Horse Camp Mount Shasta Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  UC705755  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-4 2190 Siskiyou ridge above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  RSA211406  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mountain. 2470 Comment
  RSA488704  Castilleja arachnoidea James L. Reveal, Mark L. Reveal 1975-8-15 3954 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile southwest of the Dead Cow Creek Road and about 1 mile southeast of Dry Lake Lookout. Comment
  CAS-BOT-BC32640  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  JEPS19007  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  UC922473  Castilleja miniata Annie M. Alexander and Louise Kellogg 1949-7-20 5811 Siskiyou slope above Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC253625  Castilleja miniata Wm. Bridge Cooke 1939-7-7 13590 Siskiyou Bear Springs. Flora of Mount Shasta 1524 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
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  JEPS46074  Castilleja pruinosa L. R. Heckard, and R. Bacigalupi, Ed Stuhl 1966-6-20 1526 a Siskiyou n side Mt. Shasta (along Bolam logging road) 1828 Comment
  UC1034001  Castilleja pruinosa Francis W. Pennell 1940-7-17 26172 Siskiyou w of Etna (ne slope of Salmon Mountains); Salmon Mountains 1859 Comment
  JEPS26517  Castilleja pruinosa Lauramay T. Dempster 1961-6-1 1839 Siskiyou from Condry Peak to White Mountain (along ridge) Comment
  UC164276  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woody Creek Comment
  CHSC57458  Castilleja tenuis L. P. Janeway 1984-6-21 863 Siskiyou Garvey Bar, south side Klamath River just east of humbug Point. 594 Comment
  CAS-BOT-BC48651  Ceanothus cordulatus B. D. Stark 1929-7-25 1392 Siskiyou 8 mi. no. of Dunsmuir 609 Comment
  UC618735  Ceanothus cordulatus W. B. C. 1938-6-17 11021 Siskiyou Sisson Southern Trail Mt. Shasta 1219 Comment
  CAS-BOT-BC49190  Ceanothus cuneatus Alice Eastwood 1912-8-30 2091 Siskiyou Mount Eddy, North Fork Trail Comment
  POM121382  Ceanothus cuneatus G. D. Barbe 1955-6-28 14 Siskiyou 0.4 mile N of Callahan 1006 Comment
  POM332457  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River. Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  SFV5242  Ceanothus integerrimus B. C. Templeton 1957-6-23 7733 Siskiyou Between Callahan and Gazelle. Comment
  UC164400  Ceanothus integerrimus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath Hills Comment
  UC80020  Ceanothus integerrimus T. S. Brandegee July 1889 Siskiyou Sisson's Comment
  SEINET5339318  Ceanothus integerrimus G. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  HSC33967  Ceanothus prostratus J. P. Smith 1974-5-25 7433 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC52170  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  CAS-BOT-BC53029  Ceanothus sanguineus W. R. Dudley 1899-8-25 s.n. Siskiyou West of Gazelle - on grade, Willow Creek Comment
  UC375372  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackleford Creek Log Lake, Shackleford Creek Comment
  CAS-BOT-BC52802  Ceanothus velutinus var. velutinus A. A. Heller 1919-6-20 13252 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC52807  Ceanothus velutinus var. velutinus Wm. Bridge Cooke 1938-6-24 11104 Siskiyou Mount Shasta - Sisson Southern Trail, in Diller Canyon 2743 Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC99610  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-28 6149 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CDA20009  Centaurea jacea M. Bagley 2002-8-1 PDR P 087837 -A Siskiyou Northern California; Vicinity of Mt Shasta. 0 Comment
  CAS-BOT-BC123551  Centromadia pungens subsp. septentrionalis Harvey Monroe Hall 1930-9-27 12907 Siskiyou Shasta Valley, 1.8 miles S of Montague. Comment
  CAS-BOT-BC384986  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC388236  Cerastium glomeratum Wm. Bridge Cooke 1938-7-29 11412 Siskiyou Mount Shasta. Above Bear Springs Comment
  CAS-BOT-BC207626  Cercis occidentalis Doris K. Kildale 1929-5-31 9123 Siskiyou Cecilville, south fork of Salmon River. Comment
  HSC71542  Cercis occidentalis J. P. Smith, Steve Selva 1970-6-15 3948 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  CAS-BOT-BC148518  Cercocarpus ledifolius var. ledifolius Dorothy Parker 1947-4-5 166 Siskiyou Plowman's Valley 1219 Comment
  HSC29199  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou Marble Mtn. Wilderness Area: Near summit of 'Little Medicine Mtn.' (N of Hancock Lake) 2104 Comment
  HSC76723  Chaenactis douglasii var. douglasii K. T. Stillman 1976-8-7 384 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC5247  Chaenactis douglasii var. douglasii R. C. Wunner 1965-7-9 366 Siskiyou California Lava Beds National Monument; Start of trail to Black Crater 1341 Comment
  UCD130440  Chaenactis suffrutescens M. V. Maxwell 1941-6-26 s.n. Siskiyou 14 miles east of Montague. 670 Comment
  CAS-BOT-BC141584  Chamaebatiaria millefolium Wm. Bridge Cooke 1938-8-24 11579 Siskiyou In a small canyon west of Bolam Creek - Mount Shasta 2133 Comment
  HSC65290  Chamaecyparis lawsoniana Rich White 1978-7-18 258 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  HSC68409  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1413 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC68435  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-5 1530 Siskiyou Doe Flat 1220 Comment
  SBBG16538  Chamaesaracha nana D. Myrick 1961-6-19 265 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  UCD126575  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  JEPS52331  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 71 Siskiyou near Yreka; McNulty Ranch Comment
  UC637121  Chamaesyce serpyllifolia Edward Lee 1934-8-12 1048 Siskiyou 1/4 mi w mouth of Walker Creek (a tributary of the Klamath River (e side of Seiad Valley)) 426 Comment
  HSC19497  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-1 1670 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC68208  Cheilanthes gracillima Marion Ownbey; Ruth P. Ownbey 1938-7-19 1754 Siskiyou Summit of the siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC68244  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  JEPS82487  Cheilanthes gracillima Gilbert Muth 1965-8-6 192 Siskiyou trail backside of Black Mt; Marble Mt Wilderness Area 1920 Comment
  RSA12618  Cheilanthes gracillima C. B. Wolf 1934-7-5 5967 Siskiyou 3 6/10 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  RSA237844  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC68205  Cheilanthes gracillima L. F. Henderson 1926-4-22 5940 Siskiyou Bluffs of the East Illinois R. near Beer's Bridge Comment
  CHSC72234  Chenopodium album Vernon H. Oswald; Lowell Ahart 1998-9-16 9651 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy 161. 1243 Comment
  UC922550  Chenopodium botrys Annie M. Alexander and Louise Kellogg 1948-9-15 5621 Siskiyou Canyon Creek Siskiyou Mountains (branch of Scott River) 762 Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  SD88341  Chimaphila umbellata Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  CAS-BOT-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  SBBG113470  Chrysolepis chrysophylla D. Wilken with E. Painter 2000-8-10 15853 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  CAS-BOT-BC36202  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  HSC91334  Chrysolepis sempervirens Jennifer Whipple 1976-9-4 1796 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2348 Comment
  UCD110136  Chrysolepis sempervirens A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Cr. SW of Castle Lake. Turn-off near Methodist. Comment
  UCR143370  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Siskiyou Mtns, Camp Lowe, Klamath River, Mt. Diablo Meridian 732 Comment
  JEPS25821  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou Oro Fino, L. Eastlick's Ranch Oro Fino; , L. Eastlick's Ranch Comment
  UCD127362  Cicuta douglasii P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  HSC16252  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou Salmon Mtn. Range, Etna Creek 1177 Comment
  HSC19173  Circaea alpina subsp. pacifica J. O. Sawyer 1969-8-4 1889 Siskiyou Above S Sugar Lake 2043 Comment
  UC164412  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC32848  Cirsium botrys L. E. Smith 1913-6-25 397 Siskiyou Montague Comment
  CAS-BOT-BC277924  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  CDA20747  Cirsium cymosum M. Wetherwax 2002-5-25 s.n. Siskiyou Near Gazelle, northwest of Weed. Comment
  HSC81847  Cirsium cymosum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6089 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC279878  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  POM195504  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  HSC40242  Cirsium occidentale var. candidissimum J. P. Smith 1976-5-5 8701 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS59328  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  OBI54127  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  CAS-BOT-BC285894  Cirsium vulgare Doris K. Kildale 1928-7-1 5321 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC164164  Clarkia concinna L. B. Kildale 1930-6-1 9717 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC43856  Clarkia gracilis Maralyn O'Meara 1974-5-25 376 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC163462  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 Comment
  CAS-BOT-BC164929  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC164973  Clarkia rhomboidea Doris K. Kildale 1929-5-26 9199 Siskiyou Salmon River at Hawkins Bar 609 Comment
  UC930719  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou n Sisson (near Black Butte) 1127 Comment
  CAS-BOT-BC164979  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Dry land near Hawkinsville Comment
  CAS-BOT-BC439101  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  RSA48006  Claytonia parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11886 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  UC163721  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou near Oro Fino Comment
  SEINET5336363  Claytonia parviflora subsp. parviflora G. Butler 1910-5-8 1305 Siskiyou Damp shaded soil near Yreka Comment
  UC224198  Claytonia rubra subsp. rubra H. E. Brown Jun 1 1897-Jun 10 1897 325 Siskiyou near Sisson 1083 Comment
  UC618651  Claytonia rubra subsp. rubra unknown 1938-7-1 11122 Siskiyou Bear Spring; Mount Shasta Comment
  CAS-BOT-BC443818  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-6-24 11063 Siskiyou Mount Shasta. MacBride [McBride] Springs Comment
  JEPS24435  Claytonia saxosa Dorothy Boedecker 1941-3-6 Siskiyou e side Scott Valley 762 Comment
  CLARK-A1528-7828  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou Etna Comment
  RSA60492  Claytonia sibirica John H. Thomas 1949-6-16 943 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CAS-BOT-BC92761  Clematis ligusticifolia W. R. Dudley 1901-8-25 s.n. Siskiyou Jackson Creek. Comment
  UC454411  Clintonia uniflora I. J. Condit July 1911 Siskiyou Sisson Comment
  CAS-BOT-BC500964  Clintonia uniflora Doris K. Kildale 1928-7-4 5460 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  POM169464  Clintonia uniflora E. B. Copeland 1903-8-19 3839 Siskiyou Mt. Eddy 1524 Comment
  RSA237956  Clintonia uniflora Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1277 Siskiyou Salmon Mountains, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; at southeast end of English Lake. 1768 Comment
  RSA237561  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou Due west of northwest end of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1951 Comment
  CHSC88111  Collinsia parviflora Jenny Marr 1993-7-1 121 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SJSU6507  Collinsia rattanii R. W. Trivelpiece 1972-6-15 120 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp Comment
  HSC29394  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake 1997 Comment
  RSA237358  Collinsia torreyi Frederick W. Oettinger 1967-6-24 115 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC628  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 217 Siskiyou N side of Caribou Mtn. 1982 Comment
  SBBG6891  Collinsia torreyi var. torreyi H. and M. Dearing 1939-7-1 3778 Siskiyou Etna-Salmon Divide 1828 Comment
  CHSC71490  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1998-7-21 9317 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  HSC76757  Collomia grandiflora K. T. Stillman 1976-7-21 270 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC602584  Collomia grandiflora W. Bridge Cooke 1938-8-19 11522 Siskiyou near spring creek; Mt. Shasta, Bear Springs 1524 Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  UC1347199  Collomia linearis John Thomas Howell 1937-7-22 13262 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC1059038  Collomia tinctoria W. Bridge Cooke 1956-7-16 30306 Siskiyou along old logging road above Hotlum Station (n side of mountain); Mount Shasta Comment
  HSC19054  Collomia tinctoria J. O. Sawyer 1969-7-1 968 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC44488  Collomia tracyi K. Irwin 1977-5-22 385 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC1282020  Convolvulus arvensis Louise Kellogg Aug 8 1953-Aug 9 1953 118 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  CDA32137  Convolvulus arvensis M. Beyers, G. F. Hrusa 2010-8-18 693 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  UC163921  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek Comment
  JEPS64348  Corallorhiza maculata W. L. Jepson 1940-6-27 20039 Siskiyou Mt. Shasta; e slope 1828 Comment
  UC673558  Corallorhiza maculata Dorothy Tebbe 1929-7-14 115 Siskiyou Mount Eddy Comment
  UC1409486  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (woods across meadow from base camp, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  UC196060  Cordylanthus tenuis A. A. Heller 1914-8-26 11723 Siskiyou Weed 975 Comment
  CAS-BOT-BC26796  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  CHSC105579  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16255 Siskiyou On road 26 between Lake Siskiyou and Gumboot Lake, at a junction, about 3/4 mile uphill of road 40N43. Lat. and Long. indicated +/- 46 feet. 1509 Comment
  JEPS60491  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6742 Siskiyou 1/2 mi w Hamburg (on Hwy 96 above the Klamath River) 426 Comment
  HSC43056  Cordylanthus tenuis subsp. viscidus Ken Stillman 1976-8-24 447 Siskiyou E and N slopes of Williams Point 366 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  CAS-BOT-BC212284  Cornus glabrata Elmer I. Applegate 1923-9-5 3937 Siskiyou 12 miles down the Klamath River from the mouth of Shasta River Comment
  HSC27681  Cornus nuttallii Carl W. Mize 1972-6-10 46 Siskiyou 0.75 mi. from bridge on Steinacher Creek Rd. 366 Comment
  CAS-BOT-BC212052  Cornus nuttallii Carl B. Wolf 1927-8-26 1071 Siskiyou On the Klamath River, 5 mi. above Hamburg Comment
  RSA397468  Cornus nuttallii M. B. Dunkle 1944-7-15 9107 Siskiyou Siskiyou National Forest. 1768 Comment
  CAS-BOT-BC210417  Cornus sericea Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  HSC69542  Cornus sericea subsp. sericea Maralyn A. Renner 1980-8-6 2245 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS83889  Cornus sericea subsp. sericea Wayne Roderick August 1975 Siskiyou vicinity of Cook and Green Pass (w. of summit); Siskiyou Mts. 1463 Comment
  SEINET10453317  Cornus sericea subsp. sericea Mary Merello 1993-6-22 Merello 691 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  RSA397707  Cornus stolonifera B. C. Templeton 1960-6-21 8557 Siskiyou 2 miles below the summit of Scott Mt. Comment
  UC1419839  Coronilla varia T. C. Fuller, G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from Interstate 5 north of Dunsmuir (driveway to Dunsmuir Elementary School); driveway to Dunsmuir Elementary School Comment
  UCD105669  Coronilla varia T. C. Fuller; G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I 5 north of Dunsmuir; driveway to Dunsmuir Elementary School. Comment
  HSC31544  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  HSC36606  Corylus cornuta subsp. californica Brent Whitely 1975-7-3 130 Siskiyou 1220 Comment
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  HSC43824  Crepis monticola Maralyn O'Meara 1974-5-27 478 Siskiyou Along Rd. 47N03 Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  CAS-BOT-BC290838  Crepis occidentalis subsp. pumila Roxana S. Ferris; Laura Lorraine 1948-6-12 11786 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC290843  Crepis occidentalis subsp. pumila A. M. Vollmer; L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  JEPS101150  Crepis pleurocarpa Dean W. Taylor 1996-6-19 15710 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  JEPS16944  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou pass just s Mount Eddy 2438 Comment
  SEINET9459397  Croton setiger G. D. Butler 1910-7-28 1794 Siskiyou Near Yreka. Comment
  HSC19011  Cryptantha affinis J. O. Sawyer 1969-7-9 1209 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC164155  Cryptantha flaccida Geo. D. Butler 1910-5-7 1298 Siskiyou Yreka Comment
  HSC68493  Cryptantha milobakeri Maralyn A. Renner 1980-6-10 866 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  JEPS95669  Cryptantha torreyana Vernon H. Oswald and L. Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest. In disturbed gravelly soil. 914 Comment
  SEINET11711703  Cryptogramma acrostichoides C. G. Pringle 1881-1 s.n. Siskiyou Mount Shasta 2286 Comment
  CAS-BOT-BC80541  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  RSA22762  Cupressus bakeri O. V. Matthews 1939-7-22 41 Siskiyou North side of Lava Road . About 3.3 miles from junction with county road for Day 1220 Comment
  UC484051  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou 1 mi e of Timbered Butte (on old road from C. W. Hill Farm at Dana to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  RSA96962  Cupressus bakeri Percy C. Everett, E. K. Balls 1954-10-13 20276 Siskiyou Seiad Creek, road to Kangaroo Mountain, 7.2 miles NE from Hwy 96. 823 Comment
  HSC3221  Cycladenia humilis R. C. Wunner 1965-6-15 185 Siskiyou Lava Beds National Monument, Caldwell Butte SE side. 1463 Comment
  UC1540019  Cycladenia humilis var. humilis M. Mitchell 1936-5-9 10 Siskiyou s.e. slope of Schonchin Butte; Lava Beds Nat'l Monument, Schonchin Butte Comment
  UC455926  Cycladenia humilis var. humilis I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta 1524 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS45924  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Siskiyou Mountains, Klamath River, Oak Knoll Ranger Station Oak Knoll Ranger Station; Siskiyou Mountains, Klamath River 670 Comment
  POM211261  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  UC1483490  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad 1066 Comment
  RSA382008  Cypripedium montanum Robert Kessler 1921-6-19 s.n. Siskiyou Siskiyou. Comment
  SBBG30575  Cypripedium montanum D. Myrick 1968-6-29 2060 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC192258  Danthonia californica L. P. Janeway 1983-8-26 595 B Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  UC165451  Danthonia californica var. americana Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  SEINET10904063  Darmera peltata Mary Merello 1993-6-25 Merello 721 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  HSC30498  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  RSA126347  Datisca glomerata I. L. Wiggins 1955-7-21 13426 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  UC88927  Deinandra kelloggii unknown 1893-7-1 Siskiyou Quartz Mountain Comment
  RSA32275  Delphinium andersonii Alice Eastwood, Donna Howell 1937-6-26 5036 Siskiyou Salmon Mts, 10 miles SW of Etna. Comment
  CAS-BOT-BC9570  Delphinium antoninum J. H. Thomas 1954-5-13 4150 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1127 Comment
  CAS-BOT-BC8971  Delphinium depauperatum Elmer Ivan Applegate 1923-8-17 3840 Siskiyou Medicine Lake Comment
  RSA714940  Delphinium depauperatum M. E. Fishbein, Lane Greer 2006-8-3 5883 Siskiyou Paynes Creek, at road crossing below Paynes Springs, 2 miles SE of Medicine Lake. 1975 Comment
  CAS-BOT-BC10145  Delphinium menziesii L. R. Short 1933-5-22 54 Siskiyou Klamath National Forest 609 Comment
  SEINET10833584  Delphinium nudicaule Mary Merello 1993-6-22 Merello 687 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC1409277  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou sw English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC118069  Delphinium nuttallianum H. E. Brown 1897-6-11 s.n. Siskiyou North side Mt. Shasta 2743 Comment
  HSC19082  Delphinium nuttallianum J. O. Sawyer 1969-7-11 1320 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  RSA238281  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 b Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET5338058  Delphinium nuttallianum G. Butler 1910-3-24 1142 Siskiyou Shasta River hills. Comment
  CAS-BOT-BC192463  Deschampsia cespitosa subsp. cespitosa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  JEPS84194  Deschampsia cespitosa subsp. cespitosa L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6358 a Siskiyou ca. 1/2 mi. s.e. of Red Butte (ca. 7 mi. n.-n.e. of Seiad Valley, s.w of Cook and Green Pass) 1730 Comment
  SEINET10835347  Deschampsia cespitosa subsp. cespitosa Lawrence P. Janeway 1983-1 Janeway 545 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. In upper portion of the meadow; wet. 1524 Comment
  UC651085  Deschampsia cespitosa subsp. cespitosa L. Whitney 1933-8-2 Siskiyou Slate Creek Comment
  UCD62957  Deschampsia danthonioides Robert E. Preston 2002-6-20 1852 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1968 Comment
  CAS-BOT-BC201936  Deschampsia elongata Doris K. Kildale 1928-8-20 6595 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC201942  Deschampsia elongata Lewis S. Rose 1945-6-18 45122 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC92277  Deschampsia elongata Jennifer Whipple 1976-7-2 1259 Siskiyou SW of Dobkins Lake, along the drainage to the lake. 2134 Comment
  JEPS84088  Deschampsia elongata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6389 Siskiyou ca. 1.5 mi. e. of Red Butte summit (ca. 7 mi. n.-n.e. of Seiad Valley, w. of Cook and Green Pass) 1900 Comment
  POM161565  Deschampsia elongata Geo D. Butler 1909-6-20 840 Siskiyou Damp land near Yreka Comment
  RSA184789  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trial, Meadow above Marble valley; Marble Mountains 183 Comment
  HSC90911  Descurainia incisa subsp. incisa Jennifer Whipple 1976-7-9 1381 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CHSC93525  Descurainia sophia Lowell Ahart; John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC402546  Dicentra pauciflora Lillian Mott 1976-7-9 52 LM76 Siskiyou Base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  UCD150601  Dicentra pauciflora Rolf Y. Berg 1964-7-4 s.n. Siskiyou Scott Mountain Pass ESE of Callahan. Just north of pass. Comment
  UC572807  Dieteria canescens var. shastensis W. Bridge Cooke 1937-8-6 9172 Siskiyou Mt. Shasta 2133 Comment
  UC86848  Dieteria canescens var. shastensis J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  HSC92172  Dieteria canescens var. shastensis Jennifer Whipple 1977-8-4 2142 Siskiyou S Face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  CAS-BOT-BC208974  Digitaria ischaemum Carl B. Wolf 1927-8-26 1089 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  CHSC1778  Diplacus jepsonii V. Holt 1932-6-23 Siskiyou McCloud river. 914 Comment
  CAS-BOT-BC153300  Diplacus kelloggii Harley P. Chandler 1901-6-1 1480 Siskiyou Ridges and meadows near Marble Mountain 426 Comment
  CAS-BOT-BC153448  Diplacus layneae L. E. Smith 1913-7-4 s.n. Siskiyou Castle Crags Comment
  CAS-BOT-BC153719  Diplacus nanus Elmer I. Applegate 1935-6-6 9364 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CDA6684  Dipsacus fullonum J. R. Grisham 1958-1 2241 Siskiyou Ft. Jones. 0 Comment
  UC796501  Disporum hookeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11750 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  UC1951261  Disporum hookeri Robert F. Thorne 1969-8-23 63349 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  SEINET10929825  Distichlis spicata var. stricta George D. Butler 1910-8-21 Butler 1844 Siskiyou Saline flats, Shasta Valley. Comment
  HSC92948  Dodecatheon alpinum Jennifer Whipple 1977-7-20 1985 Siskiyou N slopes of Mount Eddy 2500 Comment
  UCD77606  Dodecatheon alpinum Robert E. Preston 2001-6-23 1609 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  HSC67572  Dodecatheon jeffreyi J. P. Smith, Steve Selva 1970-7-17 4467 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC165970  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Loy Lake Shackleford Creek, Loy Lake Comment
  UC1243987  Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou 2.7 mi sw California-Oregon border (at the side of Dorris-Beswick road) Comment
  HSC75120  Downingia yina J. P. Smith, Thomas W. Nelson 1979-6-16 10140 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  CAS-BOT-BC41755  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC61985  Draba howellii Al Hobart Siskiyou Preston Peak Comment
  RSA237375  Draba howellii Frederick W. Oettinger 1969-8-25 1544 Siskiyou Near English Peak Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC29186  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, cliffs above English Lake to Diamond Lake trail on English Lake side of pass 2226 Comment
  UC722618  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5317 Siskiyou King's Castle Comment
  UC1094386  Draperia systyla Rimo C. Bacigalupi with Galen Smith 1957-6-26 5965 Siskiyou Ca. 4 miles SW of junction with the North Fork. Along road to Gumboot Lake, South Fork of the Sacramento River west of the town of Mount Shasta 1371 Comment
  UC72698  Drosera rotundifolia Milo S. Baker 1899-8-4 555 Siskiyou Dead Horse Canyon Comment
  HSC42906  Drymocallis glandulosa J. O. Sawyer, Ken Stillman 1976-5-28 2724 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC61835  Drymocallis glandulosa Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SBBG3019  Drymocallis glandulosa var. glandulosa H. and M. Dearing 1939-7-1 3770 Siskiyou W of Etna on Etna Crk Comment
  JEPS47176  Drymocallis lactea var. austiniae W. L. Jepson 1937-7-30 18554 Siskiyou Poker Flat Siskiyou Mts., , Poker Flat (headwaters of Indian Creek) 1584 Comment
  CAS-BOT-BC159282  Drymocallis lactea var. lactea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC76772  Drymocallis lactea var. lactea K. T. Stillman 1976-8-7 372 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  UCSB17782  Dysphania botrys Breedlove, Dennis 1962-6-11 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  JEPS73747  Echinochloa crus-galli Geo. D. Butler 1908-8-28 490 Siskiyou near Oro Fino (Wright & Fletcher's Ranch); Wright & Fletcher's Ranch Comment
  CHSC88376  Eleocharis acicularis Jenny Marr 1993-7-1 182 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC184357  Eleocharis bella Geo. D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek 1219 Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  HSC45949  Eleocharis parishii J. P. Smith, Steve Selva 1970-6-15 3917 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC112698  Eleocharis parishii Martin Simon Jussel 1936-7-3 s.n. Siskiyou Dunsmuir. Comment
  CAS-BOT-BC112233  Eleocharis rostellata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  UC1037162  Elymus X hansenii Leo Whitney 1935-7-15 3472 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  CAS-BOT-BC227912  Elymus elymoides Louis C. Wheeler 1934-8-6 3057 Siskiyou Klamath National Forest. Rock Gulch 1828 Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  UCD61427  Elymus elymoides S. S. Tillett 1956-7-11 699 Siskiyou Just N. of campground, Scott Mtn. divide 8 mi. se. of Callahan. 1630 Comment
  UC1265446  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou at junction of trail to English Peak and trail to Uncle's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC4775  Elymus elymoides var. californicus William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  HSC26989  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1971-9-16 4768 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC69018  Elymus elymoides var. elymoides Maralyn A. Renner 1980-7-24 2019 Siskiyou Lily Pad Lake 1768 Comment
  UCD61889  Elymus glaucus Geo. D. Butler 1908-6-25 479 Siskiyou Along Creek near Yreka. Comment
  CHSC6711  Elymus multisetus B. Anthony 1968-6-2 560 Siskiyou 4 miles N. of Fort Jones. 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
  HSC39665  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5734 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  UCD62653  Elymus trachycaulus subsp. trachycaulus Robert E. Preston 2002-7-14 1926 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1754 Comment
  HSC9739  Elymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River 518 Comment
  HSC22465  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1446 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1524 Comment
  JEPS39262  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1894-7 14462 Siskiyou Sisson region of Mt. Shasta Comment
  RSA8244  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-9-6 s.n. Siskiyou Doggett Creek, Klamath River Comment
  RSA22181  Epilobium ciliatum subsp. glandulosum J. T. Howell 1939-8-3 14961 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC96323  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 474 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC94897  Epilobium glaberrimum subsp. fastigiatum R. C. Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2164 Comment
  UC1096797  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou along crk. 1 mi n junction with Military Pass Rd; North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  POM251081  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  RSA264965  Epilobium hallianum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Siskiyou Mountains near Seiad Valley. 1634 Comment
  POM258626  Epilobium hallianum W. Bridge Cooke 1940-7-5 15238 Siskiyou Mt. Shasta: in the meadow at Bear Springs. 1524 Comment
  HSC19488  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-4 1798 Siskiyou Above Sugar Lake 2134 Comment
  RSA0004442  Epilobium jucundum Edward L. Greene 1876-08 s.n. Siskiyou Scott Valley. Comment
  HSC36894  Epilobium minutum J. P. Smith 1974-5-25 7512 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC60819  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM213942A  Epilobium minutum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  UC164470  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou near Yreka Comment
  SEINET10632309  Epilobium oreganum Willis L. Jepson 1914-8-14 Jepson 6162 Siskiyou Dunsmuir 780 Comment
  HSC29173  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  SBBG21871  Epilobium oregonense D. Myrick 1964-7-25 967 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  CHSC1127  Epilobium siskiyouense V. Holt 1936-7-18 Siskiyou Mt. Eddy. 2438 Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC399181  Equisetum hyemale subsp. affine Geo. D. Butler 1908-8-2 251 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC57235  Equisetum laevigatum Alice Eastwood 1923-5-22 11885 Siskiyou Sisson Comment
  UCD135540  Equisetum laevigatum Allison R. Holzer 1980-7-19 15 Siskiyou Along Kelsey Creek 1/4 mi. upstream from junction with Scott River. 731 Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC204623  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC204629  Eragrostis mexicana subsp. virescens Dorothy Parker 1949-7-24 84 Siskiyou McConahue Gulch, Scott Valley 914 Comment
  CDA31774  Eragrostis mexicana subsp. virescens D. H. Shaw 1973-8-23 Siskiyou Cherry Farms, Macdoel 0 Comment
  CAS-BOT-BC94419  Eremogone congesta R. C. Wenk 2005-7-15 237 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  HSC36423  Eremogone congesta J. O. Sawyer 1969-6-12 935 Siskiyou Along Duck Lake trail 1905 Comment
  HSC16948  Eriastrum sparsiflorum R. C. Wunner 1965-7-13 388 Siskiyou Lava Bed National Monument, along fire rd. around Crescent Butte-Lone Pine Flat Rd. 1479 Comment
  CAS-BOT-BC286707  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou Near crest of peak above south-east end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  JEPS24626  Ericameria bloomeri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6779 Siskiyou near beginning of road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt. Shasta); Mt. Shasta 1737 Comment
  RSA168828  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou Near top, Blue Ridge, on road between Cecilville and Sawyer's Bar 1585 Comment
  RSA3385  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On road to McCloud 0.5 mile above junction with Pacific Highway 793 Comment
  CAS-BOT-BC286697  Ericameria bloomeri Walter Knight; Irja Knight 1979-9-9 3433 Siskiyou On Evertt Memorial Highway. Mt. Shasta Comment
  CAS-BOT-BC287493  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  CAS-BOT-BC287499  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt Shasta on the headwater of the Sacramento River Comment
  CAS-BOT-BC298251  Ericameria nauseosa var. oreophila Elmer I. Applegate 1923-8-21 3926 Siskiyou Willow Creek, S of Lower Klamath Marsh Comment
  UC894742  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou 2 mi s of Grenada; Shasta Valley 914 Comment
  HSC35787  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-13 759 Siskiyou Baldy Mtn. W of Happy Camp 1768 Comment
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  JEPS41575  Erigeron aliceae W. L. Jepson 1937-7-30 18567 Siskiyou headwaters Indian Creek; Siskiyou Mts., , Poker Flat 1584 Comment
  UCD131601  Erigeron aliceae R. Tofsrud; J. M. Tucker 1948-8-3 1782 Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  CHSC57412  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  POM35931  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka. Comment
  JEPS104816  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  RSA715807  Erigeron divergens L. Ahart, John Dittes 2005-6-10 12080 Siskiyou South edge of irrigation pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  CAS-BOT-BC300431  Erigeron elegantulus L. E. Smith 1915-7-29 s.n. Siskiyou Bray Comment
  HSC5518  Erigeron filifolius R. C. Wunner 1965-6-20 230 Siskiyou Lava Beds National Monument near Thunderbolt Cave entrance 1463 Comment
  CAS-BOT-BC295383  Erigeron inornatus Wm. Bridge Cooke 1938-7-22 11326 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC295397  Erigeron inornatus Annetta Carter 1939-8-21 1474 Siskiyou Near crest of peak above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  UC163916  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug <?> Mountain 1066 Comment
  UC1299252  Erigeron klamathensis Freed W. Hoffman 1950-7-13 3552 Siskiyou W Siskiyou County Baldy Mountain Comment
  CAS-BOT-BC295510  Erigeron linearis M. B. Dunkle 1945-7-22 9244 Siskiyou Klamath National Forest. Wooly Pockets [Wooley Creek Pocket] 2133 Comment
  UC198762  Erigeron petrophilus var. petrophilus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2286 Comment
  CAS-BOT-BC295803  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  HSC92789  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-13 1462 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  HSC29865  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19538 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  CAS-BOT-BC300090  Erigeron philadelphicus William M. Hiesey 1947-8-23 554 a Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 mi. north of the Klamath River (10 miles N.W. of Gottville) 701 Comment
  SEINET10616375  Erigeron philadelphicus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20641 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Comment
  UCD77639  Erigeron tener Robert E. Preston 2001-7-21 1715 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  HSC13522  Eriodictyon californicum C. B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC67523  Eriodictyon californicum J. P. Smith, Steve Selva 1970-6-15 3931 Siskiyou Between Forks of Salmon and Cecilville. Comment
  HSC24104  Eriogonum compositum var. compositum J. O. Sawyer 1970-7-15 2352 Siskiyou Above Bear Lake 1585 Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  CAS-BOT-BC124204  Eriogonum congdonii Joseph Whipple Congdon 1900-8-18 s.n. Siskiyou Mt. Eddy Trail Comment
  CAS-BOT-BC246493  Eriogonum diclinum James L. Reveal; Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  HSC32165  Eriogonum diclinum J. O. Sawyer 1970-7-5 2329 Siskiyou Ukanom Lake, E of Cuddiky Lakes, Plot 330 1738 Comment
  CAS-BOT-BC259364  Eriogonum lobbii Clare B. Hardham 1965-8-20 13033 Siskiyou Marble Mountains, Cudahy Lakes Comment
  RSA237798  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou 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
  JEPS56173  Eriogonum luteolum var. luteolum W. L. Jepson 1907-7-22 2957 Siskiyou Miamber Trail from Scott Bar to Scott Valley 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
  HSC43461  Eriogonum marifolium Jennifer Whipple 1976-6-24 1130 Siskiyou N slopes of Mt. Eddy 2439 Comment
  UC604097  Eriogonum marifolium W. Bridge Cooke 1938-7-1 11137 Siskiyou Mt. Shasta 1676 Comment
  RSA0049748  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest 1210 Comment
  CAS-BOT-BC263195  Eriogonum marifolium var. cupulatum R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  HSC67822  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3771 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  CAS-BOT-BC261675  Eriogonum nudum var. nudum Doris K. Kildale 1928-7-3 5431 Siskiyou Forks of Salmon, Salmon River 365 Comment
  HSC19506  Eriogonum nudum var. nudum J. O. Sawyer 1969-9-12 2005 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC26760  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1971-9-18 4820 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  SEINET7064409  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. (NAD83/WGS84). UTM Zone 10, 531857mE, 4623863mN. Comment
  UC849640  Eriogonum nudum var. nudum A. A. Heller 1915-4-26 12246 Siskiyou Wagon Creek at foot of Mt. Eddy Mt. Eddy, Wagon Creek 1127 Comment
  RSA105481  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou 0.2 mile north of Callahan. 976 Comment
  CAS-BOT-BC269738  Eriogonum nudum var. oblongifolium John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53570 Siskiyou Yreka 822 Comment
  CAS-BOT-BC272473  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-7 9411 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC272479  Eriogonum nudum var. pubiflorum L. B. Kildale 1930-6-1 9837 Siskiyou Mill Creek near Etna Mills Comment
  HSC17320  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-29 301 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  RSA19313  Eriogonum nudum var. pubiflorum L. S. Rose 1937-7-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  CAS-BOT-BC252955  Eriogonum pyrolifolium var. pyrolifolium G. A. Coleman 1901-8-18 s.n. Siskiyou Head of Panther Creek, Mt. Shasta Comment
  JEPS96721  Eriogonum siskiyouense Dean W. Taylor 1997-6-12 16055 Siskiyou mouth of Willow Creek (ca. 4 miles west of Gazelle); Scott Mountains; hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  RSA215654  Eriogonum sphaerocephalum Gilbert Muth 1969-8-6 1194 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC262755  Eriogonum strictum var. anserinum Gilbert J. Muth 1969-8-7 1263 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC267930  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  SEINET244751 Image available Eriogonum umbellatum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC267994  Eriogonum umbellatum var. argus A. A. Heller 1940-7-24 15762 Siskiyou Shore of Castle Lake Comment
  RSA237774  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-13 1353 Siskiyou Near English Peak Lookout. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt. Wilderness Area. 2210 Comment
  SD62064  Eriogonum umbellatum var. argus Darley F. Howe 1965-8-8 4123 Siskiyou South side of Little Gray Back, Klamath National Forest 1463 Comment
  SDSU7196  Eriogonum umbellatum var. argus D. F. Howe 1965-8-8 4123 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  UC61059  Eriogonum umbellatum var. dumosum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing Mount Shasta, Sisson Comment
  UC6562  Eriogonum umbellatum var. dumosum C. B. Bradley 1897-1 Siskiyou Comment
  CAS-BOT-BC268143  Eriogonum umbellatum var. goodmanii E. K. Balls 1949-7-9 13945 Siskiyou Rd. from Etna to Sawyer's Bar. Summit of pass over Salmon Mts. 1478 Comment
  CAS-BOT-BC268155  Eriogonum umbellatum var. humistratum John Thomas Howell 1939-8-8 15169 Siskiyou Black Mt., Marble Mts. Comment
  HSC43435  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-7 1328 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  HSC43436  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-6-30 1188 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  HSC43409  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-7-15 267 Siskiyou Marble Mountain Wilderness Area, ridge above Elk Valley W side 1951 Comment
  UC1185944  Eriogonum umbellatum var. modocense L. E. Detling 1950-6-10 6625 Siskiyou nr. Dry Gulch; Shasta R. Canyon 777 Comment
  CAS-BOT-BC265197  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  RSA50236  Eriogonum umbellatum var. polyanthum E. K. Balls 1949-7-9 13945 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  HSC30404  Eriogonum umbellatum var. stellatum Frederick W. Oettinger 1968-8-4 398 Siskiyou Marble Mtn. Wilderness Area, ridge S of English Peak Lookout 2226 Comment
  CAS-BOT-BC262369  Eriogonum vimineum L. E. Smith 1913-7-7 s.n. Siskiyou Yreka Comment
  RSA622148  Eriogonum vimineum James L. Reveal, Coroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 Comment
  UCD101530  Eriogonum vimineum Robert E. Preston 1966-7-24 984 Siskiyou Shafter Campground. 1328 Comment
  UCD19437  Eriophorum crinigerum Charlotte K. Glenn 1967-1 165 Siskiyou Castle Lake. 1584 Comment
  UC507117  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 85 Siskiyou 9 m n Weed Comment
  UC90283  Eriophyllum lanatum var. grandiflorum T. S. Brandegee 1890-7-1 Siskiyou Sisson Comment
  HSC36774  Eriophyllum lanatum var. lanatum J. P. Smith 1974-5-25 7401 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CHSC99704  Eriophyllum lanatum var. lanceolatum L. P. Janeway 2008-7-24 9486 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC25459  Eriophyllum lanatum var. lanceolatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5654 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  HSC21486  Eryngium articulatum C. B. Wolf 1927-8-27 1144 Siskiyou Klamath River at mouth of Dillon Creek Comment
  POM133498  Eryngium articulatum E. B. Copeland 1903-8-13 3819 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC55114  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34276 Siskiyou North side of Mount Shasta. East side of Bolam Canyon. 2438 Comment
  CHSC31215  Erythranthe breweri M. S. Taylor 1980-7-8 3103 Siskiyou On nw side of Castle Lake. 1615 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  UC1107165  Erythronium citrinum Dorothy Parker 1950-4-7 388 Siskiyou in forest near Scott Bar; Siskiyou Mountains, Scott River 515 Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  CAS-BOT-BC133301  Erythronium hendersonii Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville Comment
  RSA281174  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  UC165317  Eschscholzia californica Geo. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  CAS-BOT-BC403674  Eschscholzia californica Doris K. Kildale 1929-6-25 8368 Siskiyou 6 miles north of Klamath River at Hornbrook on Pacific Highway Comment
  SEINET10476279  Eschscholzia californica David B. Dunn, Katherine L. Morris; Melvin L. Conrad 1973-6-2 Dunn 361 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263. Comment
  UC166575  Eucephalus glabratus Geo. D. Butler 1908-8-7 295 Siskiyou Whiskey Camp Independence Creek Comment
  JEPS109885  Eucephalus tomentellus Dean W. Taylor 2005-8-18 19474 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  CAS-BOT-BC202763  Euonymus occidentalis Doris K. Kildale 1928-7-3 5456 Siskiyou 8 miles east of Forks of Salmon on road to Little North Fork Salmon River Comment
  HSC27670  Euphorbia crenulata Carl W. Mize 1972-6-8 23 Siskiyou Along main trail 335 Comment
  JEPS51868  Euphorbia crenulata Geo. D. Butler 1909-4-28 909 Siskiyou Cherry Creek Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  POM138028  Euphorbia spathulata E. B. Copeland 1903-7-3 3523 Siskiyou Klamathon. Comment
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Jan 23 2011
  UCSB37071  Euphorbia virgata Clark, Dell 1970-6-23 Siskiyou 2 1/2 miles northwest of Dorris, on east side of Mathews Rd., 1 1/2 miles north of Picards Rd. Comment
  JEPS31881  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CAS-BOT-BC310628  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  JEPS31916  Eurybia radulina H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  UC572797  Eurybia radulina W. Bridge Cooke 1937-8-6 9177 Siskiyou Mt. Shasta 1219 Comment
  CAS-BOT-BC413902  Fallopia convolvulus R. E. Frenkel 1963-7-13 249 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  CHSC91727  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway, on roadsides and in yards along Siskiyou Ave., n. limits of Dunsmuir. Comment
  UCD98897  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC68574  Festuca idahoensis Maralyn A. Renner 1980-6-23 977 Siskiyou W Fork Seiad Creek 878 Comment
  RSA121317  Festuca idahoensis H. A. Jensen 1933-9-30 357 Siskiyou Signal Butte. 1341 Comment
  SBBG575  Festuca microstachys var. microstachys J. M. Tucker 1947-5-17 1557 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  HSC22454  Festuca occidentalis J. O. Sawyer 1969-6-11 841 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  UCD66152  Festuca occidentalis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  UC1034046  Festuca pratensis W. Bridge Cooke 1941-7-18 16056 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UC817929  Festuca pratensis Louis C. Wheeler 1934-6-22 2750 Siskiyou Cottonwood Creek Siskiyou Mts., Mt. Diablo Mer. 914 Comment
  CAS-BOT-BC279075  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; ridge just north-west behind West Branch Guard Station 701 Comment
  RSA239112  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC437073  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  HSC67688  Frangula californica John Palmer 1980-7-24 634 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC60011  Frangula purshiana Lewis S. Rose 1925-7-25 s.n. Siskiyou Shasta Springs. Comment
  SEINET7417474 Image available Frangula purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  RSA183727  Frasera speciosa Gilbert Muth 1965-8-6 176 Siskiyou Backside of Black Mountain, Marble Mountains. Comment
  HSC36746  Fraxinus latifolia Brent Whitely 1975-6-22 25 Siskiyou 220 Comment
  UC166185  Fraxinus latifolia Geo. D. Butler Jul 15 1908-Jan 1 1909 1076 Siskiyou near Yreka Comment
  SBBG994  Fritillaria atropurpurea H. and M. Dearing 1939-6-28 2185 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC69734  Fritillaria atropurpurea Heidi Daetwyler 1981-5-18 1 Siskiyou Elk Flat, logged area, 11 mi. NE of McCloud 1524 Comment
  HSC45206  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-20 2972 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CAS-BOT-BC504465  Fritillaria recurva L. E. Smith 1913-4-26 124 Siskiyou Dunsmuir Comment
  RSA289933  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Comment
  SEINET3886824  Fritillaria recurva James P. Smith 1974-5-26 7542 Siskiyou Copco Quad. Along Forest Service Road 47N04.; 0 1524 Comment
  SEINET8480257  Fritillaria recurva G. D. Butler 1910-4-17 1191 Siskiyou Near Yreka. Comment
  UC618721  Galium bolanderi W. Bridge Cooke 1938-9-2 11595 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA240094  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Along trail entering Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  HSC70606  Galium glabrescens J. O. Sawyer, R. J. Cole 1981-7-2 4146 Siskiyou Near Scott Mtn. Campground 1585 Comment
  HSC90533  Galium glabrescens subsp. glabrescens Jennifer Whipple 1976-6-30 1192 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  RSA78828  Galium glabrescens subsp. glabrescens Philip A. Munz 1952-7-2 17906 Siskiyou Ridge W of Baldy Mtn. About 6 air miles W of Happy Camp. 1738 Comment
  UCD121822  Galium muricatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Callahan on Cecilville Road. 975 Comment
  JEPS101156  Galium serpenticum subsp. scotticum Dean W. Taylor 1996-6-18 15701 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  JEPS83624  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 940 Siskiyou e FS Rd. 40N03 (on s side of creek, slope facing nw at creek crossing); Klamath National Forest, Scott River District, China Mtn. SW 1188 Comment
  HSC19065  Galium triflorum J. O. Sawyer 1969-7-23 1177 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC68360  Galium triflorum J. P. Smith, Steve Selva 1970-6-14 3879 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC69567  Galium triflorum Maralyn A. Renner 1980-8-6 2270 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC637135  Galium triflorum Edward Lee 1934-8-11 1030 Siskiyou Walker Creek (tributary of Klamath River) Seiad Valley (e side of valley) 609 Comment
  RSA238875  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Along the trail on the E side of Hancock Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UCD121956  Galium triflorum J. P. Smith; Steve Selva 1970-7-16 4397 Siskiyou Blue Mountain. Comment
  JEPS51840  Garrya buxifolia Geo. D. Butler 1908-8-5 40 Siskiyou Wooley Creek; Marble Mts. 1645 Comment
  CAS-BOT-BC182232  Garrya fremontii Edward Lee 1934-8-13 1058 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1219 Comment
  RSA44064  Garrya fremontii W. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road. Comment
  SEINET5765235  Garrya fremontii G. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain. Comment
  SEINET5740315 Image available Gayophytum diffusum J. M. Tucker 1974-1 4311 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area.; Haypress Meadows 1463 Comment
  JEPS27556  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou near Log Lake and Shackelford Creek ((south of Red Mountain)) 1524 Comment
  JEPS27538  Gayophytum heterozygum Willis L. Jepson 1894-8-4 14436 Siskiyou Horse Camp Upper Sacramento, Mt. Shasta Comment
  UC454603  Gayophytum heterozygum I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley Comment
  POM38653  Gayophytum heterozygum Geo. D. Butler 1910-7-3 1630 Siskiyou Goosenest Foothills 1220 Comment
  RSA34385  Gayophytum heterozygum W. Bridge Cooke 1947-7-18 17682 Siskiyou In the dryer sandy meadows at Wagon Camp, Mount Shasta 1738 Comment
  RSA600377  Gayophytum humile Louis C. Wheeler 1935-6-27 3594 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  HSC96302  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1012 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA238868  Gentiana plurisetosa Frederick W. Oettinger 1969-8-8 1302 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET8234664  Gentiana plurisetosa Unknown 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  CAS-BOT-BC459622  Geum macrophyllum L. E. Smith 1913-6-12 396 Siskiyou Road from Sissson to Castle Lake Comment
  RSA240078  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  CAS-BOT-BC143589  Geum triflorum A. H. Kramer 1933-1-1 s.n. Siskiyou Lassen National Park Comment
  HSC45988  Gilia capitata J. P. Smith 1973-5-5 6545 Siskiyou Scott Bar along the Scott River Comment
  JEPS25651  Gilia capitata subsp. capitata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7293 Siskiyou at Poker Flat 1536 Comment
  CAS-BOT-BC282718  Glyceria elata Wm. Bridge Cooke 1938-6-24 11083 Siskiyou MacBride Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC282848  Glyceria striata Geo. D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek 1219 Comment
  HSC92565  Glyceria striata Jennifer Whipple 1978-10-6 2425 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA238998  Glyceria striata Frederick W. Oettinger 1969-8-16 1403 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SDSU1119  Glyceria striata D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., in pool of water. 1524 Comment
  UC1265401  Glyceria striata F. W. Oettinger 1969-9-4 1403 Siskiyou English Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC19394  Goodyera oblongifolia J. O. Sawyer 1968-6-18 176 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC1034055  Goodyera oblongifolia W. Bridge Cooke 1941-8-28 16231 Siskiyou Mount Shasta, along Squaw Valley Creek Squaw Valley Creek; Mount Shasta, Squaw Valley Creek 1524 Comment
  HSC42889  Goodyera oblongifolia K. T. Stillman 1976-8-15 403 Siskiyou Along Specimen Creek 915 Comment
  JEPS41882  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  SEINET8196611  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far W end of town along the old highway to Yreka. 1036 Comment
  SEINET10497304  Hackelia bella Mary Merello 1993-6-23 Merello 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. Mixed conifer-hardwood forest. 1800 Comment
  SEINET10969142  Hackelia bella Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6984 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi ne of Cecilville store, on road to callahan. 2073 Comment
  SD46642  Hackelia californica E. K. Balls, L. W. Lenz 1956-6-18 21800 Siskiyou 5.0 miles west of McCloud, State Highway 89. 1340 Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC86549  Hackelia californica D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar; N of Haypress Meadow 1372 Comment
  RSA12592  Hackelia californica C. B. Wolf 1934-7-6 5994 Siskiyou 4 miles from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC94460  Hackelia micrantha R. C. Wenk 2005-7-19 317 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  RSA184764  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  HSC30446  Hastingsia alba Frederick W. Oettinger, R. F. Thorne 1969-8-8 1301 Siskiyou Marble Mountain Wilderness Area, Sundew Bog in English Lake Basin 1829 Comment
  HSC69219  Hastingsia alba Maralyn A. Renner 1980-8-31 2626 Siskiyou Twin Valley. 1494 Comment
  UC221682  Hastingsia alba H. E. Brown Jun 15 1897-Jun 30 1897 412 Siskiyou n side Mount Shasta; n side Mt. Shasta 1524 Comment
  CAS-BOT-BC504594  Hastingsia alba L. Beane; A. M. Vollmer 1951-5-31 35 Siskiyou On scree near highway, Scott Mountain Comment
  CAS-BOT-BC504613  Hastingsia alba A. A. Heller 1928-6-23 14648 Siskiyou Along the Pacific Highway near Edgewood in the Shasta valley Comment
  CAS-BOT-BC504619  Hastingsia alba Peter H. Raven 1956-9-5 10443 Siskiyou Near North Fork of the Sacramento River 2194 Comment
  POM109513  Hastingsia alba Geo D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  RSA377543  Hastingsia alba M. B. Dunkle 1945-7-24 9260 Siskiyou Klamath National Forest. Marble Mtns. Comment
  CAS-BOT-BC123566  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. Shackleford Creek Trail south of Sky High Valley 1828 Comment
  CAS-BOT-BC306749  Helenium bigelovii Geo. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC306750  Helenium bigelovii David D. Keck 1938-8-8 4867 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  JEPS80579  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS93925  Helenium bigelovii Vernon H. Oswald and Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  CAS-BOT-BC306743  Helenium bigelovii D. M. Traugh 1933-8-4 2 Siskiyou Shackelford [Shackleford] Creek near Dry Lake Comment
  CAS-BOT-BC306755  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
  OBI55478  Helenium bigelovii David J. Keil, Kathleen Keil 1992-7-21 23529 Siskiyou Klamath Natl Forest sE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  JEPS109554  Helianthus exilis Dean W. Taylor 2002-7-20 18251 Siskiyou West Fork Parks Creek, along Forest Road 1310 Comment
  JEPS75211  Hemitomes congestum W. B. & V. G. Cooke 1975-9-3 50497 Siskiyou Ash Creek area below timberline East side of Mt. Shasta 2286 Comment
  CAS-BOT-BC313461  Hemizonella minima Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  HSC5987  Hemizonella minima R. C. Wunner 1965-6-6 100 Siskiyou California Lava Beds National Monument; 0.1 mi. on the road to Caldwell Ice Cave from SW entrance road. 1402 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
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  HSC36946  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC133548  Hesperolinon micranthum Dr. E. B. Copeland 1903-7-8 3561 Siskiyou Klamathon Comment
  HSC75653  Heuchera cylindrica J. O. Sawyer, R. J. Cole 1980-7-22 3876 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  RSA0063198  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 1921 Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City Comment
  SEINET10530975  Heyderia decurrens A. Arthur Heller 1915-8-26 Heller 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy. The principle tree is now Pseudotsuga with white fir. The original stand was Jeffrey pine. Common undershrubs are manzanita, Ceanothus and Pasania.3900 feet. 1190 Comment
  CAS-BOT-BC319693  Hieracium albiflorum Lewis S. Rose 1945-6-18 45086 Siskiyou Horse Creek and Klamath River 502 Comment
  CAS-BOT-BC319699  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  RSA183734  Hieracium albiflorum Gilbert Muth 1965-8-11 204 Siskiyou Marble Valley. Marble Mtns. Comment
  RSA758219  Hieracium albiflorum R. F. Thorne 1969-8-2 66328 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  JEPS104845  Hieracium greenei Dean W. Taylor 1996-6-28 15754 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  UC455911  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou beginning of Shasta trail, near box factory; Sisson Comment
  UC642532  Hieracium greenei W. Bridge Cooke 1939-8-25 13919 Siskiyou above MacBride Springs; Mount Shasta 1676 Comment
  RSA238745  Hieracium horridum Frederick W. Oettinger 1967-8-14 268 Siskiyou English Peak Look-out. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  CAS-BOT-BC316018  Hieracium nudicaule Alice Eastwood 1912-8-30 2080 Siskiyou Mount Eddy Comment
  UC1096804  Hieracium nudicaule Barbe 1957-7-13 382 Siskiyou Big Flat Public Camp, along the path to the spring, W side of camp Klamath National Foreset 1524 Comment
  HSC2411  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mtn. 2470 Comment
  HSC36472  Hieracium scouleri J. O. Sawyer 1969-8-1 1692 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC320106  Hieracium triste John Thomas Howell 1937-7-24 13392 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UCD133129  Hieracium triste J. M. Tucker; Louis K. Mann 1963-8-19 3783 Siskiyou Canyon Creek, Marble Mountain Wilderness Area. 1920 Comment
  HSC22097  Holodiscus discolor J. O. Sawyer 1969-8-5 1949 Siskiyou Along S Sugar Creek 1921 Comment
  HSC29378  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou S of English Lake 1784 Comment
  HSC31488  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-23 42 Siskiyou 1 mi. W of Doe Flat campground Comment
  RSA591657  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  UC1601385  Hordeum jubatum H. S. Yates 1936-6-21 5812 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  NY436002  Horkelia brownii H. E. Brown 1897-7-15 530 Siskiyou South side Mt. Shasta. 1524.0 Comment
  JEPS81058  Horkelia daucifolia J. P. Smith and T. W. Nelson 1979-6-15 10125 Siskiyou Road to Carmen Lake 0.6 mi from its junction State Route 3; China Mtn. Quad., Klamath National Forest. 1645 Comment
  JEPS96960  Horkelia daucifolia Dean W. Taylor 1997-6-12 16052 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  UC116852  Horkelia daucifolia K. Brandegee July 1887 Siskiyou near Klamath River (Ager) Comment
  UC585215  Horkelia daucifolia E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1942 Siskiyou ca 8 mi s Yreka 822 Comment
  JEPS44564  Horkelia fusca subsp. parviflora W. L. Jepson 1914-8-9 5740 Siskiyou McCloud 1036 Comment
  JEPS77496  Horkelia fusca subsp. parviflora Susan Horner 1978-6-30 397 Siskiyou About 4 mi s-se Hambone (on road between 40N05 and Sand Flat Well) 1280 Comment
  SD215712  Horkelia fusca subsp. pseudocapitata E. K. Balls, L. W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1219 Comment
  CAS-BOT-BC514288  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
  SD231130  Horkelia hendersonii James R. Shevock, B. Williams. 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01. 2012 Comment
  RSA166288  Horkelia tridentata Donald Myrick 1961-6-22 315 Siskiyou On Hwy 89 near McCloud. 915 Comment
  CAS-BOT-BC201128  Hosackia crassifolia Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UCD77837  Hosackia oblongifolia Robert E. Preston 2002-7-11 1897 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  HSC4898  Hosackia oblongifolia var. oblongifolia J. O. Sawyer 1968-7-10 518 Siskiyou S side of Sugar Creek. 1616 Comment
  JEPS81069  Hulsea nana J. P. Smith, L. Barker, J. Cole, and J. Whipple 1976-7-28 Siskiyou summit Mt. Eddy (Siskiyou-Trinity County line) 2751 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
  CHSC96087  Hydrophyllum occidentale L. P. Janeway 2006-7-3 8759 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  HSC61785  Hydrophyllum occidentale Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UCR37834  Hydrophyllum occidentale L. P. Janeway 1983-6-27 446 Siskiyou At Poker Flat 1524 Comment
  UC177234  Hymenoxys lemmonii Geo. D. Butler Siskiyou Comment
  HSC34148  Hypericum anagalloides J. O. Sawyer 1969-8-18 1988 Siskiyou S Sugar Lake Creek 1829 Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  SBBG21928  Hypericum anagalloides D. Myrick 1964-7-25 969 Siskiyou Panther Meadows, Mt Shasta 2346 Comment
  UC1483537  Hypericum anagalloides Maralyn A. Renner 1980-8-21 2567 Siskiyou Klamath Nat'l Forest, s. corner boundary Coffee Creek Quad., Kidd Creek Klamath Nat'l Forest, Coffee Creek Quad., Kidd Creek 2042 Comment
  UCD78092  Hypericum anagalloides Robert E. Preston 2001-6-23 1576 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  SEINET6178738  Hypericum perforatum Alv Dan Youngberg 1964-6-15 20 Siskiyou Growing in a grass and brush cover. Humbolt Meridian.; 0 366 Comment
  RSA239013  Hypericum perforatum Frederick W. Oettinger 1966-7-30 s.n. Siskiyou Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  CAS-BOT-BC88618  Idahoa scapigera L. E. Smith 1913-4-22 89 Siskiyou Yreka. Comment
  JEPS104998 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
  UC774467  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 914 Comment
  HSC45997  Ipomopsis aggregata J. P. Smith, Steve Selva 1970-7-18 4490 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UCD118219  Ipomopsis aggregata A. H. M. 1957-7-23 57 N Siskiyou Deadfall Creek Shasta National Forest. 2011 Comment
  CHSC66543  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald 1996-7-12 7999 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. Roadside. 1554 Comment
  RSA120872  Ipomopsis aggregata subsp. formosissima H. K. Wagnon 1957-8-11 s.n. Siskiyou East slope of Mt. Shasta, along Brewer Cr., 6 mi. W of Military Pass Rd. Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  UCD118368  Ipomopsis congesta A. H. Murphy 1958-8-6 58 J Siskiyou Klamath National Forest, Red Mountain (Boulder Peak), Marble Mountains. 2346 Comment
  SEINET12049833  Iris chrysophylla F. H. Utech 1986-1 86 -476 Siskiyou Klamath National Forest, West Branch Recreation Area, ca 12 mi NE of Happy Camp 1000 Comment
  RSA366828  Iris macrosiphon M. B. Dunkle 1944-6-25 9024 Siskiyou Beaver Creek, Siskiyou National Forest, Sierra Nevada Comment
  RSA135892  Iris missouriensis Lee W. Lenz 1953-5-15 18306 Siskiyou 1 mile from Fort Jones, road to Etna 838 Comment
  JEPS93197  Iris tenuissima Carol A. Wilson 1992-5-19 92 -25 Siskiyou 4.4 mi s of Happy Camp (on Highway 96); Highway 96 518 Comment
  RSA136360  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21801 Siskiyou 1.5 mile east of McCloud, State Highway 89 1006 Comment
  RSA138998  Iris tenuissima Lee W. Lenz 1958-6-22 23531 Siskiyou 18 miles from Happy Camp, road to Cave Junction Comment
  SEINET3875938  Iris tenuissima Alv Dan Youngberg 1964-6-17 27 Siskiyou Humbolt Meridian.; 0 579 Comment
  JEPS95828  Isatis tinctoria Vernon H. Oswald and L. Ahart 1999-7-5 9804 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn.: T42N R6W Sect. 34, 3900 ft, mixed oak-conifer woodland 1188 Comment
  SD76157  Isatis tinctoria Helen V. Witham 1969-10-7 587 Siskiyou Naturalized along Scott River at bridge to Indian Scotty Campground. 700 Comment
  OBI4718  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Crk, 1.5 mi W of Yreka Comment
  RSA237966  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou W side of Horse Range Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1822 Comment
  RSA237970  Isoetes bolanderi Frederick W. Oettinger 1969-9-1 1573 Siskiyou At Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  HSC28735  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou Marble Mtn. Wilderness Area, above Diamond Lake 2073 Comment
  JEPS83821  Isoetes occidentalis Wayne Roderick 1984-8-7 Siskiyou vicinity of Cook & Green pass (near Lily Pad Lake in Little Duck Lake); Siskiyoyu Mts., Little Duck Lake 1981 Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  JEPS98784  Juncus Sue Pappalardo 1993-7-19 505 B Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  CAS-BOT-BC110019  Juncus Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  HSC77295  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath River, N side of Independence Cr. Br. 290 Comment
  JEPS117606  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinn 716 Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  CHSC91349  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2005-6-9 12055 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
  JEPS66991  Juncus ensifolius Geo. D. Butler 1910-6-21 1596 Siskiyou Yreka Creek Comment
  JEPS25661  Juncus ensifolius Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7304 Siskiyou 4 air mi nne Preston Peak (at Twin Valley, just e of Del Norte County line, watershed of Indian Creek); Siskiyou Mts., Twin Valley, Indian Creek 1219 Comment
  HSC96559  Juncus mertensianus Gordon Leppig 1998-7-10 919 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  RSA233686  Juncus mexicanus Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38955 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS100301  Juncus nevadensis Dean W. Taylor 2001-8-28 17909 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  JEPS88728  Juncus nevadensis B. C. Goldsmith 1916-9-29 35 a Siskiyou Medicine Lake Comment
  UC1026899  Juncus nevadensis F. J. Hermann 1940-8-8 15444 Siskiyou near Squaw Valley Creek; Mount Shasta Comment
  UC1100989  Juncus nevadensis Calvin McMillan and Malcolm A. Nobs 1949-6-17 804 Siskiyou Highway 97 Grass Lake 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
  UC1601838  Juncus parryi W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  HSC74837  Juncus patens J. P. Smith, J. O. Sawyer 1978-7-3 10006 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 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
  CAS-BOT-BC81136  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  NY21384  Juniperus communis W. B. Cooke 1939-7-26 13743 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC81241  Juniperus occidentalis M. P. Anderson 1902-3-4 s.n. Siskiyou Between Yreka and Humbug Creek Comment
  NY19866  Juniperus occidentalis E. B. Copeland 1903-7-4 3545 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  RSA659518  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2955 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  CAS-BOT-BC246180  Keckiella lemmonii Wm. Bridge Cooke 1940-8-8 15424 Siskiyou Lower canyon of Squaw Valley Creek above the big spring, Mount Shasta 1524 Comment
  HSC42896  Keckiella lemmonii Ken Stillman 1976-8-15 406 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC90596  Kelloggia galioides Jennifer Whipple 1976-7-23 1522 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  RSA747342  Kelloggia galioides K. M. Meyer, A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC1177930  Kelloggia galioides Francia Chisaki and Gene B. Newcomb 1958-6-22 1153 Siskiyou base of Black Butte (Highway 99, e of the road) Comment
  CAS-BOT-BC273775  Koeleria pyramidata Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  CAS-BOT-BC340402  Lactuca Alice Eastwood 1912-8-28 1943 Siskiyou Sisson Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  CAS-BOT-BC341697  Lagophylla ramosissima K. L. Chambers 1967-6-22 2851 Siskiyou Siskiyou Mountains. Knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1005 Comment
  OBI55437  Lagophylla ramosissima David J. Keil 1992-7-20 23496 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  UCR52609  Lathyrus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  SBBG67562  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou base of Black Butte near W base of Mount Shasta Comment
  CAS-BOT-BC204987  Lathyrus jepsonii var. californicus W. R. Dudley 1905-8-3 s.n. Siskiyou By Sacramento River Comment
  UC673249  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2898 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  JEPS82463  Lathyrus nevadensis var. nevadensis Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture Marble Mt. Wilderness Area 1798 Comment
  UC162610  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1629 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  RSA594185  Lathyrus polyphyllus S. O. Mattoon 1977-6-26 60 Siskiyou Gooseneast District; Klamath North Fork; Forest Road 2 miles S of Surveyors Glade; 12 air miles W of MacDoel. 1829 Comment
  RSA768774  Lemna gibba Lowell Ahart, John Dittes 2010-7-30 16959 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  RSA715934  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  HSC81873  Lepidium campestre Barry Silver 1986-5-24 603 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  UCD115871  Lepidium virginicum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1074 Comment
  JEPS74410  Lepidium virginicum var. pubescens W. B. and V. G. Cooke 1974-8-20 49242 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  UC198722  Lesquerella occidentalis subsp. occidentalis Annie M. Alexander and L. Kellogg 1911-8-14 331 Siskiyou Mt. Eddy Comment
  POM361831  Lessingia nemaclada Louis C. Wheeler 1934-7-16 2907 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 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
  RSA157732  Leucophysalis nana T. C. Fuller 1962-6-12 8967 Siskiyou E side of Davis Road to Medicine Lake, 0.2 mi S of Road to Dorris, ca 16 mi E of Macdoel. Comment
  UC1190122  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC229452  Lewisia cotyledon James Payne Smith, Jr. 1978-5-28 9955 Siskiyou Klamath National Forest. Forest Service Road 39N27, 3.1 miles south of Sawyers Bar 1219 Comment
  RSA464464  Lewisia cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Marble Valley Summit; rocky ridge. Comment
  HSC29488  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  JEPS17291  Lewisia leeana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  CAS-BOT-BC444235  Lewisia pygmaea John Thomas Howell 1937-7-25 13448 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  POM112699  Leymus cinereus Geo D. Butler 1910-6-13 1561 Siskiyou Fence runs near Yreka Comment
  CAS-BOT-BC283815  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  HSC69244  Ligusticum californicum Maralyn A. Renner 1980-8-6 2340 Siskiyou Cracker Meadow 1555 Comment
  JEPS121617  Ligusticum grayi Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  UC1619909  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  POM82381  Ligusticum grayi Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek Comment
  CAS-BOT-BC509361  Lilium kelleyanum Albert M. Vollmer; L. Beane 1953-7-1 109 Siskiyou Foot of Mt. Shasta Comment
  CAS-BOT-BC509386  Lilium kelleyanum Mrs. H. P. Bracelin 1931-6-19 406 Siskiyou North side of Mt. Eddy up from Metcalf's ranch house. 1341 Comment
  LA22067  Lilium pardalinum William Bridge Cooke; 1938-7-15 11197 Siskiyou Mount Shasta, along the creeks at Bear Springs 1523 Comment
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  CAS-BOT-BC438792  Lilium pardalinum subsp. wigginsii Dana York; Jim Shevock 2012-7-20 3116 Siskiyou Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, moist slope above Lily Pad Lake. 1780 Comment
  RSA68900  Lilium washingtonianum A. E. Culbertson 1943-7-2 57 Siskiyou Along Castle Lake road from town of Shasta; lower n. slopes of 6600 eastern spur of Trinity Mts., about 10 air miles from headwaters of Sacramento R., to west and 12 miles s.w. of Mt. Shasta. 1220 Comment
  SJSU6496  Lilium washingtonianum subsp. purpurascens R. W. Trivelpiece 1972-6-24 129 Siskiyou near Slater Butte 3 mi E of Klamath River c. 7 mi N of Happy Camp 1158 Comment
  CAS-BOT-BC133093  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC133099  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3 1/2 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC26045  Lilium wigginsii L. Beane; Albert M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99 Comment
  CAS-BOT-BC278075  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou I-5 southbound, near exit 730 for central Dunsmuir, Klamath Range (KR) 750 Comment
  JEPS58259  Linanthus bolanderi Geo. D. Butler 1909-4-27 611 Siskiyou Oro Fino Comment
  UC56698  Linanthus ciliatus Harley P. Chandler Jun 1901 1671 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CDA6298  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-6-11 8955 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  RSA0087559  Linnaea borealis subsp. longiflora Douglas Barbe 1955-7-5 101 Siskiyou Klamath Mountains, about 12 miles south of Etna on French Creek. 1097 Comment
  SEINET4039768  Linnaea borealis var. longiflora O. M. Clark 1947-1 14400 Siskiyou Myrtle Creek, Siskiyou Mountains. Comment
  HSC30487  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou Salmon Mountains, at the Cedars, along Main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin 960 Comment
  CAS-BOT-BC36542  Lithocarpus densiflorus var. echinoides L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  POM267232  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud. Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 Comment
  HSC45038  Lithophragma campanulatum J. O. Sawyer 1978-6-19 3258 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  UC375363  Lithophragma glabrum Geo. D. Butler 1909-3-14 558 Siskiyou near Yreka; near Yreka Comment
  HSC41474  Lithophragma heterophyllum Ed Cope 1977-7-16 129 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  SBBG30540  Lithophragma parviflorum D. Myrick 1968-6-25 2010 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  POM92055  Lithophragma parviflorum Geo. D. Butler 1910-5-8 1307 Siskiyou Near Yreka. Comment
  SEINET10661434  Lolium perenne Lowell Ahart, John Dittes 2005-6-10 Ahart 12064 Siskiyou T43N, R5W, northwest 1/4 Section 5. East of a poor dirt roaod, 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. 777 Comment
  SEINET4671424  Lolium perenne G. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  HSC77051  Lomatium dissectum var. multifidum K. T. Stillman 1976-6-26 139 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  UC909516  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou margins Carmen Lake (ca. 1.5 mi. e.of Scott Mt. rd.) 1737 Comment
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  OBI8923  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou On Montague Rd. 5 mi W of Mt Hebron town 1554 Comment
  JEPS109788  Lomatium tracyi Dean W. Taylor 2002-7-27 18282 b Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  SEINET8056605  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain. 1219 Comment
  HSC22213  Lonicera conjugialis J. O. Sawyer 1969-7-18 1159 Siskiyou E of Waterdog Lake 2012 Comment
  HSC42234  Lonicera conjugialis J. D. Mastrogiuseppe 1974-9-2 161 Siskiyou Above Kidd Creek. 1951 Comment
  HSC69301  Lonicera conjugialis Maralyn A. Renner 1980-7-24 1988 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC96411  Lonicera conjugialis Gordon Leppig, J. Kalt 1996-7-9 360 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UCR101765  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  RSA138228  Lonicera hispidula var. vacillans P. C. Everett, E. K. Balls 1959-10-24 23943 Siskiyou 3 miles SW from Red Bank F.S. Camp along road from Sawyers Bar to Somes Bar. 518 Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  JEPS75660  Lotus crassifolius var. crassifolius Geo. D. Butler 1909-5-31 775 Siskiyou Humbug Creek Comment
  UC33400  Lotus crassifolius var. crassifolius W. C. Blasdale Aug 1894 Siskiyou Sisson Comment
  UC60885  Lotus crassifolius var. crassifolius W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  RSA715778  Lotus humistratus L. Ahart, John Dittes 2005-6-10 12115 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
  RSA716052  Lotus humistratus L. Ahart, John Dittes 2005-6-9 12014 Siskiyou 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 2.5 miles (air) ESE of Grenada. 775 Comment
  RSA105331  Lotus nevadensis G. D. Barbe 1955-6-28 011 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  RSA406231  Lotus oblongifolius var. nevadensis Bonnie C. Templeton 1957-6-21 7749 Siskiyou Near the summit of Mt. Scott. Comment
  UC454686  Lotus oblongifolius var. oblongifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  RSA406444  Lotus unifoliolatus M. B. Dunkle 1944-9-15 9112 Siskiyou Siskiyou National Park. Comment
  HSC43143  Lotus unifoliolatus var. unifoliolatus Ken Stillman 1976-8-24 420 Siskiyou E and N slopes of Williams Point 366 Comment
  POM11364  Lupinus albicaulis var. shastensis C. P. Smith 1922-8-9 3728 Siskiyou Sisson, Mt. Shasta. 2287 Comment
  UC727082  Lupinus albicaulis var. shastensis A. A. Heller 1938-7-13 15274 Siskiyou on U.S. Highway #97 on the hill on the n outskirts Weed; n outskirts of Weed Comment
  CAS-BOT-BC195968  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47203 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  UC1401212  Lupinus albifrons var. collinus K. Morris, LeDoux and Dunn 1973-6-2 336 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  CAS-BOT-BC196328  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49135 Siskiyou Highway 99 - Klamath River Bridge, 3.9 miles south - Shasta River Canyon Comment
  SEINET10484557  Lupinus albifrons var. flumineus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20643 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  SEINET10903806  Lupinus arbustus subsp. silvicola David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17952 Siskiyou 5 miles n of weed, on us hwy 97; in artemisia, prushia, pinus ponderosa, in Volcanic soil Comment
  UC144577  Lupinus argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague; ; Montague, Siskiyou Co. Comment
  SDSU4656  Lupinus bicolor D. F. Howe 1977-4-2 4985 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  UC796571  Lupinus bicolor Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11727 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  HSC22260  Lupinus breweri J. O. Sawyer 1969-7-11 1341 Siskiyou Se facing slope above S Sugar Creek 1753 Comment
  CAS-BOT-BC215169  Lupinus croceus Clarence R. Quick 1958-6-17 58 -26 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  UC1608316  Lupinus croceus J. Kierstead 1990-7-18 90 -106 Siskiyou Forest Service Rd. 40N26 w Gumboot Lake (Mt. Shasta Ranger Dist.); , w of Gumboot Lake 1950 Comment
  UC454943  Lupinus croceus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Mt. Bradley; Mt. Bradley near Shasta Retreat 1371 Comment
  SEINET10838173  Lupinus croceus Herbert L. Mason 1947-5-17 Mason 14759 Siskiyou In woods along scott mt. Rd., 5 Mi. S of callahan. 1463 Comment
  SEINET10490747  Lupinus croceus var. croceus James P. Smith, Steven B. Selva 1970-6-15 Smith, Jr. 3971 Siskiyou 20 mi. E of cecilville on the rd. To callahan; mixed conifer forest. 1646 Comment
  SEINET7040263 Image available Lupinus densiflorus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  SEINET8042186  Lupinus formosus G. D. Butler 1910-4-19 1201 Siskiyou Near Yreka Comment
  JEPS64895  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  SEINET10485422  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6964 Siskiyou Road cut, 0.1 mi. N of hornbrook. 732 Comment
  UC157008  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  HSC41642  Lupinus lapidicola Jennifer Whipple 1976-6-12 975 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC1607590  Lupinus lapidicola Barbara Ertter 1990-7-14 9325 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1950 Comment
  UC725978 Image available Lupinus lapidicola A. A. Heller 1919-7-9 13422 Siskiyou long e-w ridge Mt. Eddy; ; Mt. Eddy, Siskiyou Co. 2438 Comment
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  RSA237938  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  RSA749105  Lupinus leucophyllus R. Riggins 1993-6-17 1687 Siskiyou Loose gravelly loam along CA 263, ca. 1 mi N jct. CA 96, 0.5 mi. S jct. I5 Comment
  POM179120  Lupinus luteolus Lester Rowntree 1937-8-7 s.n. Siskiyou Happy Camp Road. Comment
  UC126997  Lupinus nanus Thos. Howell 1889-4-14 1345 Siskiyou Hornbrook Comment
  RSA104328  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou A short distance below Horse Camp, Mt. Shasta. Comment
  UC454622  Lupinus obtusilobus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  SEINET10490222  Lupinus sellulus var. artulus James P. Smith, John O. Sawyer 1972-6-30 Smith, Jr. 5639 Siskiyou Jct. Of french creek and sugar creek rd, 1/2 mi w of parrot mill rd. Mixed Conifer forest. 1250 Comment
  SEINET13095207  Lupinus shastensis A. A. Heller 1905-6-13 8024 Siskiyou Near Shasta Springs. Comment
  SEINET10490992  Lupinus vallicola subsp. vallicola Katherine L. Morris 1973-6-2 Morris s.n. Siskiyou Found along roadside .7 mi s of jct at etna rd on hwy 3. Comment
  SEINET3881818  Luzula campestris Rimo C. Bacigalupi, Mr. Van Deventer; Mrs. Van Deventer 1959-7-9 7257 Siskiyou Poker Flat.; 0 622 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
  RSA299464  Luzula comosa var. laxa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass road. Comment
  HSC22088  Luzula divaricata J. O. Sawyer 1968-7-9 428 Siskiyou W of Little Duck Lake 1936 Comment
  HSC68436  Luzula parviflora Maralyn A. Renner 1980-7-5 1531 Siskiyou Doe Flat 1220 Comment
  UC843144  Luzula parviflora John Thomas Howell 1939-8-3 15000 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  HSC30723  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Marble Mtn. Wilderness Area, stream running from Tom's Upper Pond to Tom's Lower Pond 2012 Comment
  UC872891  Lythrum hyssopifolia Louis C. Wheeler 1934-10-11 3316 Siskiyou Siskiyou Mts., Klamath River, Oak Knoll Ranger Station Oak Knoll Ranger Station; Siskiyou Mts., Klamath River, Oak Knoll Ranger Station 670 Comment
  UCD102934  Lythrum salicaria B. Meyers-Rice 2000-7-29 MR- 701 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  SEINET2121893  Machaeranthera canescens M. L. Carson 1968-12-8 1293 Siskiyou US Highway 97, 1.4 mi N of Macdoel and 8.5 mi S of Dorris, between the highway and the railroad 1250 Comment
  POM211821  Machaeranthera canescens var. shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
  HSC2256  Madia elegans Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  UC73949  Madia elegans T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC43138  Madia elegans Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  SD76182  Madia elegans subsp. densifolia Helen V. Witham 1969-10-7 572 Siskiyou Scott River, 10 miles west of Fort Jones 700 Comment
  POM208255  Madia exigua L. C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC343425  Madia gracilis L. E. Smith 1915-6-15 s.n. Siskiyou Sisson Comment
  HSC24692  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-7-16 1142 Siskiyou W of Waterdog Lake 2073 Comment
  RSA264978  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  CAS-BOT-BC512766  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-23 13372 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18916  Maianthemum stellatum J. O. Sawyer 1968-6-18 205 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  CAS-BOT-BC514182  Maianthemum stellatum H. E. Brown 1897-6-1 340 Siskiyou Near Mount Shasta 2133 Comment
  RSA237945  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  POM56237  Malacothrix floccifera Geo D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek. Comment
  HSC176  Malva neglecta William J. Ferlatte 1966-8-3 261 Siskiyou Mtn. Meadow Ranch 1524 Comment
  JEPS107485  Malvella leprosa Lowell Ahart, John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Gren 774 Comment
  CAS-BOT-BC269232  Melica aristata W. B. Cooke; V. G. Cooke 1966-7-17 37251 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  JEPS69296  Melica aristata Geo. D. Butler 811 Siskiyou Highland Mine 1828 Comment
  JEPS83577  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9239 Siskiyou Porcupine Lake 1304 Comment
  UC1265396  Melica aristata F. W. Oettinger 1969-9-4 1662 Siskiyou n side Tom Lake Basin; Salmon Mts. Comment
  CAS-BOT-BC271105  Melica bulbosa L. R. Short 1933-6-6 75326 Siskiyou Lime Gulch 1219 Comment
  CAS-BOT-BC271214  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area Comment
  HSC76702  Melica bulbosa K. T. Stillman 1976-7-14 221 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2073 Comment
  CAS-BOT-BC269363  Melica californica Lincoln Constance; Reed C. Rollins 1942-5-14 2934 Siskiyou Klamath--Siskiyou Region. Shasta River 6 miles north of Yreka 762 Comment
  RSA403522  Melica fugax M. B. Dunkle 1945-1 9361 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  UCD87297  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road, near State Line, south about 3 miles. Comment
  CAS-BOT-BC282118  Melica geyeri Geo. D. Butler 1904-5-26 824 Siskiyou Near Yreka Comment
  CAS-BOT-BC281386  Melica harfordii Marion Ownbey; Fred G. Meyer 1940-7-7 2217 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC264196  Melica subulata John Thomas Howell 1939-8-3 14953 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM198425  Melica subulata Geo D. Butler 1910-7-12 1751 Siskiyou Shackleford Lake. 1372 Comment
  UCD88597  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3436 Siskiyou 5 miles northeast of Happy Camp. Above Klamath River. Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  UCD117380  Mentzelia montana Dorothy Parker 1967-5-14 s.n. Siskiyou McConahue Gulch, Scott Valley. 1127 Comment
  CAS-BOT-BC428546  Micranthes aprica H. E. Brown 1897-6-15 467 Siskiyou North side Mt. Shasta 3048 Comment
  CAS-BOT-BC428984  Micranthes ferruginea Doris K. Kildale 1929-7-20 8591 Siskiyou Southeast spur of Preston Peak 1950 Comment
  SJSU6538  Micranthes ferruginea R. W. Trivelpiece 1973-6-28 158 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC429261  Micranthes oregana Alice Eastwood 1923-5-22 11890 Siskiyou Sissons [Sisson] Comment
  HSC67936  Micropus californicus var. californicus J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  RSA393763  Micropus californicus var. californicus L. C. Wheeler 1934-6-2 2615 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CAS-BOT-BC322662  Microseris laciniata K. L. Chambers 1969-5-26 2933 Siskiyou Salmon River, between Somes Bar and Forks of the Salmon, 1.3 miles east of Lewis Creek Comment
  HSC22302  Microseris nutans J. O. Sawyer 1969-6-13 1099 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC44958  Microsteris gracilis J. O. Sawyer 1978-6-16 3221 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  POM65022  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  POM75051  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  JEPS10547  Mimulus breweri Milo S. Baker 1893-6 28 Siskiyou 6 mi w (below) Bartle's; McCloud River Comment
  UCD122627  Mimulus floribundus Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC39828  Mimulus guttatus J. O. Sawyer 1969-7-26 1570 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  RSA237551  Mimulus guttatus Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1310 Siskiyou Along trail near Young's Cabin near Abbott's Upper Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC164369  Mimulus layneae Geo. D. Butler 1910-9-11 1865 Siskiyou Weed Comment
  HSC22289  Mimulus lewisii J. O. Sawyer 1968-7-10 502 Siskiyou Above Sugar Lake 2012 Comment
  UC27016  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  SBBG30584  Mimulus moschatus D. Myrick 1968-6-26 2028 Siskiyou Coffee Crk; Trinity Alps 1463 Comment
  HSC42944  Mimulus moschatus var. moniliformis J. O. Sawyer, Ken Stillman 1976-7-1 2780 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UCD77261  Mimulus nanus var. jepsonii Robert E. Preston 2002-6-21 1873 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1709 Comment
  JEPS4010  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  HSC82378  Mimulus primuloides Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4531 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1063014  Mimulus primuloides L. Whitney 1934-6-10 1 Siskiyou Antelope Creek Dorris Quadrangle, Tennant 1463 Comment
  SEINET10756233  Mimulus primuloides subsp. linearifolius Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 881 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC164371  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek 1219 Comment
  HSC91002  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-8 1338 Siskiyou N slope of Mt. Eddy 2439 Comment
  RSA237542  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1967-8-5 241 Siskiyou About 0.5 mile north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC388887  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC174735  Minuartia nuttallii Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  CHSC31054  Minuartia nuttallii subsp. gregaria M. S. Taylor 1980-6-22 3170 Siskiyou On e side of 40N08, ca. 0.3 mi n of its jct with Hwy 3 at Scott Mt Summit. 1615 Comment
  JEPS51478  Minuartia nuttallii subsp. gregaria W. L. Jepson 1907-7-10 2871 Siskiyou near Putnam Peak; Klamath Range Comment
  UCD63244  Minuartia nuttallii subsp. gregaria Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  CAS-BOT-BC7297  Minuartia stolonifera T. W. Nelson; James L. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 miles N of Scott Mountain Pass Comment
  CAS-BOT-BC433016  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC433020  Mitella diversifolia Clarence R. Quick 1958-6-17 58 -24 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC433065  Mitella pentandra Doris K. Kildale 1928-8-19 6553 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC433070  Mitella trifida Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Blk. Mt. Comment
  RSA184754  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout. Marble Mtns. 1799 Comment
  HSC67502  Moehringia macrophylla J. P. Smith 1973-5-5 6371 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  HSC22248  Monardella glauca J. O. Sawyer 1969-7-9 1219 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC75133  Monardella odoratissima J. P. Smith, Thomas W. Nelson 1979-6-16 10134 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  IRVC16377  Monardella odoratissima Jerry A. Powell 1974-6-13 1158 Siskiyou Ash Creek Ranger Station. Sierra Mountains Comment
  CAS-BOT-BC222027  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  CAS-BOT-BC222163  Monardella odoratissima subsp. pallida John Thomas Howell 1939-8-2 14933 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC222169  Monardella odoratissima subsp. pallida Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  CAS-BOT-BC222173  Monardella odoratissima subsp. pallida H. A. Thomas; J. H. Thomas 1954-7-24 4511 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UC25518  Monardella odoratissima subsp. pallida W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  RSA83364  Monardella odoratissima subsp. pallida F. W. Peirson 1923-7-19 3834 Siskiyou 16 miles S of Bray. Comment
  CAS-BOT-BC220225  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath National Forest. Klamath R. near Dutch Cr. 670 Comment
  JEPS63378  Monardella villosa subsp. villosa Geo. D. Butler 1908-7-19 169 Siskiyou Humbug Creek Comment
  HSC4883  Monotropa hypopitys J. O. Sawyer 1968-7-22 560 Siskiyou Between Handcock and Diamond Lakes, near Handcock Lake 1951 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
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  POM253654  Montia parvifolia C. L. Hitchcock 1939-7-7 5288 Siskiyou Sanger Peak. 1780 Comment
  JEPS121620  Muhlenbergia andina Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. SW aspect. Mount Eddy quadrangle. TL04A Comment
  JEPS87793  Muhlenbergia andina Vernon H. Oswald and Lowell Ahart 1994-8-1 6415 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  UC1132354  Muhlenbergia asperifolia H. S. Yates 1936-6-21 5815 Siskiyou 6 mi n Gazelle; Yreka Quadrangle Comment
  CAS-BOT-BC267045  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  POM206719  Muhlenbergia filiformis Copeland 1903-8-12 1084 Siskiyou Sisson. Comment
  UCD86594  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3822 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  CAS-BOT-BC267040  Muhlenbergia filiformis Copeland 1903-9-5 s.n. Siskiyou Igerna Comment
  LA9644  Muhlenbergia filiformis J. R. Swallen; 1939-7-7 13604 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  UC1266286  Muhlenbergia jonesii John R. Reeder and Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 mi sse Bartle 1219 Comment
  SEINET515861  Muhlenbergia richardsonis Vernon H. Oswald 1998-9-8 9605 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. west of Mosquito Lake and Whitehorse Flat Reservoir 1113 Comment
  CDA5594  Myosotis micrantha G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2625 Siskiyou 0.4 km northeast of Oro Fino. Comment
  RSA695876  Myosurus minimus D. W. Taylor 1995-6-1 14963 Siskiyou 2 miles SE of Montague, Shasta Valley Wildlife Management area, Little Shasta River 854 Comment
  RSA12569  Nama lobbii Carl B. Wolf 1934-7-6 s.n. Siskiyou Southwest side of Mt. Shasta about 1 mile northwest of Wagon Camp. 1524 Comment
  SEINET515857  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  UC1409218  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou boggy meadow w. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  RSA68912  Narthecium californicum A. E. Culbertson 1943-8-4 46 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC60323  Nasturtium officinale William Bridge Cooke 1940-7-12 15321 Siskiyou Near the Box Canyon of the Sacramento near Mount Shasta City. 914 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  CAS-BOT-BC230313  Navarretia heterandra H. D. Ripley; R. C. Barneby 1948-1-1 9630 Siskiyou 1 mile W of Montague Comment
  UC164018  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou near Oro Fino Comment
  JEPS81653  Navarretia leucocephala subsp. minima 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
  UC1114141  Nemophila pedunculata Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 230 Siskiyou on the road to Callahan 11.9 mi w Gazelle; w of Gazelle 1219 Comment
  RSA120724  Noccaea fendleri subsp. glauca S. S. Tillett 1956-7-9 660 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  CAS-BOT-BC60580  Noccaea fendleri subsp. glauca Geo. D. Butler 1908-8-5 129 Siskiyou Summit above Cold Spring Wooley Creek. Comment
  RSA237490  Nothocalais alpestris Frederick W. Oettinger 1968-8-17 563 Siskiyou Crapo Ridge trail crossover at Gap; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2012 Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  UCD106834  Oenothera cespitosa Geo C. Wood 1940-4-29 s.n. Siskiyou Butte Valley. Comment
  CDA37696  Onopordum acanthium Robin Breckenridge 2005-7-19 s.n. Siskiyou South Weed Exit, trucking parking area. 0 Comment
  HSC4911  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-22 549 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC62121  Oreostemma alpigenum var. andersonii Al Hobart 13 Aug [year missing] Siskiyou Preston Peak 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
  CAS-BOT-BC499826  Orobanche corymbosa subsp. corymbosa Peter H. Raven 1956-8-11 10066 Siskiyou 9.6 mi S of turnoff to Bray on US Hwy \97 Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  UC630384  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Canadian Zone above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164 Comment
  CAS-BOT-BC458096  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Above SE end of Taylor Lake, 12 mies SW of Etna, Salmon Mountains 2164 Comment
  UC70300  Orthilia secunda Milo S. Baker 1898-8-1 131 Siskiyou on hillside SW of Medecine Lake Comment
  CAS-BOT-BC266622  Orthocarpus cuspidatus James L. Reveal; Mark L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road, Forest Service Road 40S01, 0.6 mile N of the turnoff to Deep Camp and about 2.7 miles SE of Dry Lake Lookout Comment
  HSC58956  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1975-7-31 4035 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  JEPS26530  Orthocarpus cuspidatus subsp. copelandii Lauramay T. Dempster 1961-7-3 1874 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain, se of Callahan Comment
  UC1408869  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou e Tom Taylor Cabin spring (high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UC1736255  Orthocarpus cuspidatus subsp. copelandii Dean W. Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles W of Cook & Green Pass 1767 Comment
  RSA165525  Orthocarpus cuspidatus subsp. copelandii Clare B. Hardham 1961-7-3 8066 Siskiyou Scott Mts. south of Calahan. Comment
  UC195192  Orthocarpus cuspidatus subsp. copelandii Annie M. Alexander and Louise Kellogg 1911-7-16 256 Siskiyou S Fk Salmon River Comment
  RSA52493  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 s.n. Siskiyou Shovel Creek, near Beswick. 1012 Comment
  UCD77894  Osmorhiza depauperata Robert E. Preston 2001-7-20 1684 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1712 Comment
  HSC90560  Packera cana Jennifer Whipple 1976-7-1 1226 Siskiyou Near Little Crater Lake 2195 Comment
  UC1216702  Packera cana W. B. and V. G. Cooke 1960-8-8 Siskiyou w bank Mud Creek Canyon; fell fields Mt. Shasta Comment
  CAS-BOT-BC316753  Packera cana William Bridge Cooke 1940-8-22 15478 Siskiyou A medium sized colony occurs near the upper limits of the Hudsonian Zone along the west rim of Mud Creek Canyon 2743 Comment
  UC618862  Packera streptanthifolia W. Bridge Cooke 1938-7-28 11369 Siskiyou north ridges Mount Shasta; , on exposed ridge tops, north ridges 2895 Comment
  RSA155856  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  UCD37092  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou Siskiyou County, 1.5 miles southwest of city of Mount Shasta, Castle Lake Road. 1036 Comment
  CAS-BOT-BC422851  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  UCD96008  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle. Comment
  CHSC1648  Parnassia palustris N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 2286 Comment
  CAS-BOT-BC202861  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near jct. of Boulder Creek and N. Fork Salmon River, along trail to English Peak Comment
  HSC43360  Paxistima myrsinites N. G. Sugihara 1977-5-28 67 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  SBBG4074  Paxistima myrsinites H. and M. Dearing 1939-7-1 3774 Siskiyou W of Etna on Etna Crk 1219 Comment
  UC133560  Paxistima myrsinites A. A. Heller 1905-6-5 7976 Siskiyou between Shasta Retreat Shasta Springs Comment
  UC796618  Paxistima myrsinites Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11772 Siskiyou ca. 7 mi. from Etna (on Forks of Salmon Rd.) 1818 Comment
  UC869933  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou near Spirit Lake; Marble Mts. Comment
  SJSU2595  Pectiantia pentandra H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts 1219 Comment
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Jan 11 2010
  RSA0025075  Pectocarya penicillata L. C. Wheeler 1934-6-7 2654 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  CAS-BOT-BC266634  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  JEPS74437  Pedicularis attollens W. J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  CAS-BOT-BC266647  Pedicularis bracteosa var. flavida Edna Kelsey 1961-8-1 s.n. Siskiyou Sky High Lake, Marble Mountains Comment
  HSC29253  Pedicularis bracteosa var. flavida Frederick W. Oettinger, R. F. Thorne 1969-8-7 1269 Siskiyou Marble Mtn. Wilderness Area, SE of English Lake 2012 Comment
  CAS-BOT-BC228584  Pedicularis densiflora Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1924 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  LA209462  Pedicularis densiflora Joseph Andorfer Ewan; 1939-6-30 13558 Siskiyou Mount Shasta, Long the MacBride Springs Road Comment
  CAS-BOT-BC266672  Pedicularis howellii Lillian Mott 1976-7-4 39 LM76 Siskiyou Lily Pad Lake ca 3 miles W of Cook and Green Pass 2011 Comment
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Feb 22 2021
  CHSC1846  Pedicularis racemosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 1981 Comment
  HSC2366  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail 1890 Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  HSC72409  Pedicularis racemosa J. P. Smith, Steve Selva 1970-7-27 4513 Siskiyou Gumboot Lake 1768 Comment
  HSC67793  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-20 3746 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCD77904  Pedicularis semibarbata Robert E. Preston 2001-6-30 1668 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1798 Comment
  POM126840  Pedicularis semibarbata Milo S. Baker 1898-8-9 482 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  POM120360  Pellaea breweri Geo D. Butler 1910-7-9 1718 Siskiyou Marble Mtn. 1677 Comment
  RSA0006214  Penstemon W. C. Cusick 1902-1 2928 Siskiyou Siskiyou Mts., Waldo-Crescent City rd., 1/4 mi. S. of Cal. Line [Siskiyou or Del Norte counties]. Comment
  CAS-BOT-BC6574  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  UC722785  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou open hillside on Takilma-Happy Camp Road 1676 Comment
  HSC69369  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3790 Siskiyou E side of Grouse Hill 2134 Comment
  UCSB51240  Penstemon davidsonii Almanza, Ed 1976-7-13 Siskiyou The "Gate" pass; Mt. Shasta 2438 Comment
  CAS-BOT-BC265365  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  CAS-BOT-BC265370  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  CHSC102568  Penstemon davidsonii var. davidsonii L. P. Janeway 2009-8-4 9903 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  UC139723  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3048 Comment
  JEPS80546  Penstemon deustus Gilbert Muth 1965-8-12 214 Siskiyou common around the Marble , Marble (Marble Mt. Wilderness Area) 1792 Comment
  SBBG82196  Penstemon deustus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  UC1409427  Penstemon deustus var. pedicellatus Frederick W. Oettinger 1968-8-15 524 Siskiyou e Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CHSC91350  Penstemon deustus var. suffrutescens Lowell Ahart; John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north 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-BC105069  Penstemon gracilentus R. C. Wenk 2008-7-23 901 Siskiyou SW side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) 2316 Comment
  HSC86439  Penstemon gracilentus D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  POM299521  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou On east side of Mt Shasta. Comment
  UCR47887  Penstemon heterodoxus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CHSC1887  Penstemon heterodoxus var. shastensis N. Jaekal 1939-7-8 Siskiyou Near Horse Camp on Mt. Shasta. 2133 Comment
  JEPS100297  Penstemon heterodoxus var. shastensis Dean W. Taylor 2001-8-28 17905 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  NY601594  Penstemon heterodoxus var. shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along U.S. Highway 97, just south of Bray 1402.1 Comment
  HSC91119  Penstemon laetus subsp. sagittatus Jennifer Whipple 1976-6-30 1187 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  SEINET5328851 Image available Penstemon laetus var. leptosepalus K. Vincent 1987-6-27 4437 Siskiyou Sierra Nevada, Big Bear Flat; logging area in coniferous forest along N side of CA 89 just E of Dead Horse Summit, ca. 5.4 mi SE of Bartle, 1250 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  POM252934  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 Siskiyou Along HS Hwy 97, 16 miles northeast of Weed. Comment
  HSC21040  Penstemon newberryi R. Spellenberg 1965-6-20 1172 Siskiyou Edge of cinder cone, Black Butte Pass, 5 mi. S of Weed Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  NY627382  Penstemon newberryi var. newberryi R. W. Spellenberg 1965-6-20 1172 Siskiyou Black Butte Pass about 5 miles south of Weed Comment
  JEPS104858  Penstemon parvulus Dean W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  POM259370  Penstemon parvulus J. T. Howell 1939-8-2 14899 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC1238922  Penstemon parvulus Freed W. Hoffman 1950-7-13 3490 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) 1828 Comment
  UC887236  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  UC595134  Penstemon parvulus David D. Keck 1938-8-8 4876 Siskiyou between Scott Mtn. and Craggy Peak (Siskiyou Co. at Trinity Co. line); Scott Mountain Divide 1676 Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  CHSC57459  Penstemon roezlii L. P. Janeway 1984-6-22 869 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC239431  Penstemon rydbergii var. oreocharis Peter Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Hwy 97 Comment
  HSC36808  Penstemon speciosus J. P. Smith 1974-5-27 7629 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC454777  Penstemon speciosus I. J. Condit July 1911 Siskiyou Sisson Comment
  RSA189808  Penstemon speciosus Noel Holmgren, James L. Reveal 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  HSC1096  Pentagramma triangularis R. C. Wunner 1965-8-21 461 Siskiyou Lava Beds National Mon., Valentine Cave Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
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Jun 12 2012
  CHSC91237  Perideridia lemmonii Lowell Ahart; John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS81802  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6832 Siskiyou [road from Callahan to Trinity Center] road summit 1/4 mi n Scott Mtn. road summit; n of Scott Mtn., below Darlingtonia bog 1615 Comment
  UC1114763  Perideridia parishii subsp. latifolia W. Bridge Cooke 1956-7-19 30310 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  CAS-BOT-BC423352  Peritoma platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley, near the Klamath River Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  CAS-BOT-BC330281  Petasites frigidus var. palmatus Dorothy Parker 1961-6-4 883 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  UC165414  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  HSC76892  Phacelia corymbosa K. T. Stillman 1976-7-7 159 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  POM65428  Phacelia corymbosa E. B. Copeland 1903-8-18 3831 Siskiyou Mt. Eddy. Comment
  CHSC4289  Phacelia dalesiana D. Parker 1965-6-1 640 Siskiyou Scott Mt. 1630 Comment
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Jul 5 2017
  SD98971  Phacelia greenei Darley F. Howe 1977-7-5 4998 Siskiyou Area north of Mt. Shasta. 1463 Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  CHSC36171  Phacelia heterophylla subsp. virgata K. Bridwell 1978-7-6 173 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  HSC60795  Phacelia leonis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  JEPS2132  Phacelia linearis Geo. D. Butler 1909-5-4 742 Siskiyou near (n of) Yreka; Klamath River Comment
  UC144629  Phacelia linearis A. A. Heller 1905-6-22 8089 Siskiyou Igerna Comment
  SBBG20780  Phacelia linearis A. I. Richardson 1961-6-8 15 Siskiyou Big Springs Rd NE of jct with Hwy 97 Comment
  SEINET12280270  Phacelia magellanica H. M. Hall, Babcock, E. B. 1903-1 4087 Siskiyou Shasta Valley, Mount Shasta 914 Comment
  HSC19147  Phacelia mutabilis J. O. Sawyer 1969-8-1 1667 Siskiyou SE facing slope above Duck Lake Creek 1951 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
  RSA238770  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  SD211619  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City, along creek, where several forks join before steep drop. 1829 Comment
  SBBG16265  Phacelia procera H. and M. Dearing 1939-7-1 3777 Siskiyou Salmon Mtn 1828 Comment
  HSC75498  Phacelia procera K. T. Stillman 1976-8-7 216 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  RSA238840  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Base of sheer cliff just due east of Diamond Lake and 50 feet below the lake in elevation. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness. 2058 Comment
  CAS-BOT-BC77412  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou Along Klamath River 1 mile above Hamburg 243 Comment
  CAS-BOT-BC77417  Philadelphus lewisii Carl B. Wolf 1927-8-26 1044 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC77434  Philadelphus lewisii L. E. Detling 1950-6-10 6623 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CHSC91624  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  JEPS49605  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  RSA759840  Philadelphus lewisii Robert F. Thorne 1969-8-2 63398 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  UC1034620  Philadelphus lewisii unknown 1955-6-27 4 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  UC329950  Philadelphus lewisii unknown 1889-6-26 Siskiyou Edgwood Comment
  RSA0058049  Philadelphus lewisii Albert M. Vollmer, L. Beane 1951-6-2 38 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CAS-BOT-BC250792  Phleum alpinum A. A. Heller 1922-7-15 13710 Siskiyou At Medicine Lake 2133 Comment
  HSC694  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail, densely wooded canyon. 2134 Comment
  RSA467441  Phleum alpinum M. B. Dunkle 1945-7-24 9259 Siskiyou Klamath National Forest, Marble Mts. Comment
  SJSU2560  Phlox adsurgens H. L. Buckalew 1962-7-7 Siskiyou junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  HSC69275  Phlox diffusa Maralyn A. Renner 1980-9-1 2681 Siskiyou Bear Mtn. 1936 Comment
  HSC92076  Phlox diffusa Jennifer Whipple 1976-6-12 979 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC45797  Phlox diffusa J. P. Smith 1976-5-21 8758 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  JEPS71115  Phlox gracilis J. W. Kisling Mar 1910 Siskiyou Edgewood Comment
  UC1734049  Phlox gracilis Frank Gould, Kay H. Beach 1940-5-15 1249 Siskiyou Bald Mountain. Comment
  CDA40293  Phlox gracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2604 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  SEINET7042831  Phlox speciosa A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  SD114157  Phlox speciosa subsp. nitida Darley F. Howe 1977-7-5 5001 Siskiyou Area north of Mt. Shasta. 1463 Comment
  CDA40279  Phlox speciosa subsp. nitida R. P. Allen 1952-5-15 s.n. Siskiyou Dunsmuir. 0 Comment
  CAS-BOT-BC60684  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  LA11637  Phragmites australis Louis C. Wheeler; 1934-10-21 3335 Siskiyou Shasta Valley 4 mi E Grenada 868 Comment
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Feb 17 2015
  CAS-BOT-BC56508  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC56486  Phyllodoce empetriformis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC140603  Physocarpus capitatus Wm. Bridge Cooke 1940-7-12 15315 Siskiyou In the Box Canyon of the Sacramento near Mount Shasta City Comment
  CAS-BOT-BC140609  Physocarpus capitatus C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  RSA666427  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  JEPS83901  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-23 Siskiyou ridge e Hello Lake (nw of Red Butte) Comment
  UC496180  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou headwaters of Applegate River; Siskiyou Mountains, Fruit Mountain Comment
  JEPS35941  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  RSA237340  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou South side of East Boulder Lake in the Scott Mountains, Salmon-Trinity Alps Wilderness. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC78325  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  HSC1411  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-21 Siskiyou Ridge above Yellow Rose and Dorleska Mine, Bulk Collection # 92 2058 Comment
  JEPS46803  Pinus balfouriana James B. Roof, Irja Knight 1962-10-23 Siskiyou 6 mi e of Callahan (between Mill Creek Lake and Washbasin Lakes, Salmon-Trinity Alps Primitive Area); Klamath National Forest, Salmon-Trinity Alps, Scott Mountain 1828 Comment
  CAS-BOT-BC78437  Pinus contorta subsp. murrayana Elmer I. Applegate 1935-6-12 9519 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  JEPS46822  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou from Scott Bar to Scott Valley (Miamber Trail); Miamber Trail Comment
  HSC69371  Pinus monticola J. O. Sawyer, J. Cole 1980-7-19 3673 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  RSA572072  Pinus monticola L. C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek (Mt. Diablo Mer.) 1860 Comment
  JEPS48189 Image available Pinus ponderosa W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  RSA237359  Pinus washoensis Frederick W. Oettinger 1968-9-4 701 Siskiyou On a northwest-tending ridge from the peak between Abbotts Lake and Lake of the Island---just below the peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UCD120771  Plagiobothrys bracteatus K. L. Chambers; C. G. Carlbom 1962-4-21 2109 Siskiyou Hwy. 99, 5.6 mi. s. of the center of Yreka. Comment
  CHSC93543  Plagiobothrys tenellus Lowell Ahart; John Dittes 2005-6-10 12089 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
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  CHSC106107  Plantago eriopoda Lowell Ahart; John Dittes 2010-7-30 16967 Siskiyou About 10 yards south of the Shasta River, about 40 yards west of the pipe crossing 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. 716 Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  HSC26933  Plantago major J. P. Smith, J. O. Sawyer 1971-9-18 4838 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC375220  Platanthera Geo. D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  HSC95707  Platanthera dilatata Juha Pykala, D. H. Norris 1987-6-26 2037 Siskiyou Marble Mtn. Wilderness Area, above Bear Lake 1951 Comment
  HSC22310  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-26 1584 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  HSC68348  Plectritis ciliosa J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  UC416751  Plectritis macrocera F. N. Hooper 20 Siskiyou Little Shasta Comment
  RSA121890  Plectritis macrocera M. H. Mitchell 1936-5-8 s.n. Siskiyou 2 miles E of Schonchin Butte. 1372 Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  HSC73288  Pleuricospora fimbriolata Gail Newton 1980-6-20 517 Siskiyou Near Bald Mtn. 1326 Comment
  HSC92163  Poa bolanderi Jennifer Whipple 1977-7-22 2040 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC1025004  Poa bolanderi Leo Whitney 1935-7-15 3467 Siskiyou 2 mi se Medicine Lake (near Bullseye Lake) Comment
  SEINET8221444  Poa bolanderi Harley P. Chandler 1901-1 1703 Siskiyou Shackleford Canon; near Marble Mountain. 1829 Comment
  UC450465  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Geo. Gray's Ranch Yreka Comment
  UCD90667  Poa bulbosa Morris Halperin 1930-7-11 310 a Siskiyou outskirts of Eureka. Comment
  HSC30561  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  UCD91090  Poa howellii A. A. Beetle 1942-5-31 3420 Siskiyou north of Willow Creek, 5 miles west of Gazelle. Comment
  HSC30579  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  HSC73356  Poa pratensis Gail Newton 1980-6-20 448 Siskiyou Near Bald Mtn. 1097 Comment
  SACT001940  Poa pratensis G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River. Comment
  UC618614  Poa pratensis subsp. pratensis W. Bridge Cooke 1938-6-24 11066 Siskiyou MacBride Springs; Mt Shasta Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  JEPS81692  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  RSA186325  Poa pringlei Gilbert Muth 1966-10-16 12 Siskiyou Marble Mountains 1793 Comment
  UCD91770  Poa pringlei A. H. Murphy 1959-7-22 59 M Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  CAS-BOT-BC243218  Poa secunda subsp. secunda A. A. Heller 1919-6-25 13266 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC1132850  Poa secunda subsp. secunda M. H. Mitchell 1936-5-8 4 Siskiyou base of Schonchin Butte; Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  UC820882  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou head Jaynes Canyon; Siskiyou Mts 1920 Comment
  UCD18948  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  UC1112247  Pogogyne zizyphoroides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5940 Siskiyou ca. 2 miles North of Weed along Highway 99 1036 Comment
  CHSC96026  Polemonium californicum L. P. Janeway 2006-7-3 8754 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead near upper Music Creek. 1893 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  CAS-BOT-BC232898  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdam Creek Comment
  CAS-BOT-BC74167  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner's ranch on old road to Lava Beds, near north boundary of the National Monument. Comment
  JEPS60240  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou on U.S. Highway 97 0.8 mi s Bray junction; Murphy Wells, s of Bray junction 1493 Comment
  JEPS25541  Polygala cornuta var. cornuta Rimo Bacigalupi with Lincoln Constance 1959-6-17 7158 Siskiyou slopes across from junction of Big Springs Road with US 97 (4 mi ne of Weed) 1066 Comment
  JEPS43019  Polygala cornuta var. cornuta W. L. Jepson August, 1894 13575 Siskiyou Shasta Springs Comment
  UCD109722  Polygala cornuta var. cornuta K. M. Meyer; A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  UC642558  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Springs Mount Shasta (meadow) Comment
  SEINET3160303  Polygonum bistortoides G. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC414394  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  RSA211290  Polygonum davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  UC558482  Polygonum davisiae W. B. Cooke 1936-8-9 7241 Siskiyou Panther Creek Meadows Mount Shasta (avalanche flat) 2286 Comment
  RSA466317A  Polygonum davisiae M. B. Dunkle 1945-8-4 9268 Siskiyou Klamath National Forest, Mrable Mts, Paradise Lake Comment
  CAS-BOT-BC414590  Polygonum douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1735923  Polygonum douglasii Dean W. Taylor 1987-8-6 9242 Siskiyou Porcupine Lake; ; Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  POM104495  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Summer Fallow Fish near Yreka Comment
  UC850088  Polygonum douglasii subsp. douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake Marble Mts. Comment
  CAS-BOT-BC418586  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  RSA65857  Polygonum minimum Louis C. Wheeler 1934-8-13 11430 Siskiyou Johnson Dairy, Siskiyou Mts. 1829 Comment
  SEINET3399368 Image available Polygonum minimum J. M. Tucker, L. K. Mann 1963-8-17 3743 Siskiyou Red Rock Valley, near top of ridge, Marble Mountain Wilderness Area Comment
  UC55508  Polygonum phytolaccifolium Harley P. Chandler June, 1901 1627 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  JEPS85597  Polygonum polygaloides subsp. confertiflorum W. Robert Powell 1989-7-19 3535 Siskiyou 16 air mi n of Fall River Mills (and 6 air mi w of Day, 1.2 mi e of Spring Creek Road) 1097 Comment
  RSA82768  Polygonum shastense R. Tofsrud, J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows, S slope of Mt. Shasta. 2409 Comment
  SEINET3404053 Image available Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  UC77393  Polygonum shastense Dr. E. B. Copeland 1903-8-16 3892 Siskiyou Mt. Shasta 2438 Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  POM2370  Polygonum spergulariiforme Geo. D. Butler 1910-7-31 1803 Siskiyou Near Yreka Comment
  RSA466410  Polygonum spergulariiforme Robert Gustafson 1985-10-19 3306 Siskiyou Gazelle Callahan Road 1372 Comment
  HSC79158  Polystichum imbricans C. J. Thomas 1983-10-1 108 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC45877  Polystichum imbricans subsp. curtum J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  CAS-BOT-BC76740  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  UC1495276  Polystichum imbricans subsp. imbricans Robert T. Clausen and Harold Trapido 1940-7-26 4961 Siskiyou Mud Creek, e side of canyon Mt. Shasta; So. Cascade Mts., Sacramento River Basin 1706 Comment
  UC42154  Polystichum imbricans subsp. imbricans Marshall A. Howe 1897-8-8 Siskiyou near Shasta Soda Springs Comment
  JEPS95341  Polystichum lemmonii Vernon H. Oswald and Lowell Ahart 1994-7-11 6404 Siskiyou W of Dunsmuir (Gumboot Lake Rd (40N37) just off Forest Rd (to Mt Shasta)) 1777 Comment
  UC338377  Polystichum lemmonii J. G. Lemmon and wife Sep 1889 Siskiyou s slope Mt. Eddy (near Mt. Shasta) Comment
  UCR101154  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains, south side of Red Butte. 1738 Comment
  UCR110585  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou S side of Preston Peak at the head of Rattlesnake Creek. 1829 Comment
  HSC76642  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  POM212871  Polystichum lemmonii L. C. Wheeler 1934-8-14 11415 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  RSA60633  Polystichum lemmonii I. L. Wiggins 1950-5-28 12378 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  HSC26110  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5681 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  HSC79132  Polystichum scopulinum C. J. Thomas 1983-10-1 97 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  CAS-BOT-BC102399  Populus fremontii Grant 1902-9-15 5257 Siskiyou Dunsmuir 609 Comment
  HSC19882  Populus fremontii subsp. fremontii R. C. Wunner 1965-8-14 424 Siskiyou Lava Beds National Monument, Hovey Pt. 1220 Comment
  JEPS104988  Porterella carnosula Dean W. Taylor 1996-7-27 15860 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  SEINET10906094  Porterella carnosula Noel H. Holmgren 1980-7-1 Holmgren 9449 a Siskiyou U.S. Highway 97, 21.4 km (13.3 miles) south-southwest of Macdoel 1524 Comment
  HSC43152  Portulaca oleracea Ken Stillman 1976-8-24 428 Siskiyou Along the Klamath River at Williams Point 366 Comment
  HSC29337  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou Marble Mtn. Wilderness Area, Salamander Lake, 0.7 mi. NE of Abbotts Lake 1791 Comment
  HSC90589  Potentilla breweri Jennifer Whipple 1976-7-1 1241 Siskiyou Near Durney Lake 2073 Comment
  RSA237618  Potentilla breweri var. breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake trail. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  UC1409358  Potentilla flabellifolia Frederick W. Oettinger 1968-9-5 718 Siskiyou se side Hancock Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  JEPS84267  Potentilla fruticosa L. R. Heckard with J. Hickman et al. 1986-7-17 6542 Siskiyou se Condrey Mt. (Alex Hole); se of Condrey Mt., Alex Hole 1960 Comment
  UC726471  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's Comment
  HSC69007  Potentilla gracilis var. fastigiata Maralyn A. Renner 1980-7-24 2051 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC540555  Potentilla gracilis var. fastigiata A. A. Heller 1915-8-26 12232 Siskiyou North side of Mt. Eddy 1981 Comment
  CHSC38997  Potentilla millefolia J. D. Jokerst 1983-7-5 1821 Siskiyou Portions of the east edge of Atkin's Meadow, ca 15 air miles E of McCloud. Comment
  UCR66582  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Shasta Valley. Between Weed and Gazelle 915 Comment
  CAS-BOT-BC158527  Potentilla millefolia A. A. Heller 1905-6-20 8074 Siskiyou Gazelle Station Comment
  CAS-BOT-BC158536  Potentilla millefolia Alice Eastwood; John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  CAS-BOT-BC143315  Potentilla newberryi David D. Keck 1940-6-13 5173 Siskiyou Grass Lake 1540 Comment
  CAS-BOT-BC516383  Prosartes hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  HSC67709  Prunella vulgaris subsp. lanceolata John Palmer 1980-7-24 609 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC25760  Prunus emarginata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19532 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC68389  Prunus emarginata Maralyn A. Renner 1980-6-26 1251 Siskiyou SE edge of Flint Valley. 1390 Comment
  SBBG15938  Prunus emarginata D. Myrick 1961-6-21 311 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station on Klamath River 19 mi W of Hwy 99 1981 Comment
  UC454977  Prunus emarginata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mount Bradley); Mount Bradley Comment
  CDA26201  Prunus subcordata T. C. Fuller 1961-5-16 6953 Siskiyou Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  SBBG27199  Prunus subcordata L. Constance, R. C. Rollins 1942-5-14 2922 Siskiyou rd to Walker Post Office, 3 mi W of Yreka 1219 Comment
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Mar 27 2013
  UC164301  Prunus subcordata Geo. D. Butler 644 Siskiyou Humbug Divide Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  CAS-BOT-BC80175  Pseudotsuga menziesii Doris K. Kildale 1929-3-12 7812 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  HSC73297  Pteridium aquilinum var. pubescens M. A. Baker 1980-6-20 2194 Siskiyou Near Bald Mtn. 1036 Comment
  UC933382  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1948-9-9 5614 Siskiyou near start of 2-mi trail from Cook & White Mine to Taylor Lake; Siskiyou Mountains Comment
  RSA749207  Purshia tridentata K. M. Meyer, A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  UCD22430  Purshia tridentata Brian Vanden Heuvel 2003-4-10 191 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  CAS-BOT-BC147901  Purshia tridentata var. tridentata L. R. Abrams; J. T. Benson 1924-5-9 10173 Siskiyou Near Black Butte Comment
  JEPS18600  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou Yreka Comment
  UCLA62308  Pycnanthemum californicum Francis Drouet and Donald Richards 1941-9-15 4223 Siskiyou canyon of the Sacramento River Dunsmuir; canyon of the Sacramento River 670 Comment
  HSC26566  Pyrola aphylla J. P. Smith, J. O. Sawyer 1972-8-20 5757 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UC1408766  Pyrola asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Willderness Area, Tabacco Lake 1889 Comment
  RSA238344  Pyrola californica Frederick W. Oettinger 1969-8-14 1364 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC19199  Pyrola crypta J. O. Sawyer 1968-7-23 623 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  CAS-BOT-BC462803  Pyrola dentata W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  HSC30474  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Salmon Mts., before Hen Creek along main N Fork Trail between Fivemile Stockgate and Abbott's Upper Cabin 1098 Comment
  RSA0080486  Pyrola dentata E. K. Balls 1949-7-8 13921 Siskiyou Road from Scott Mountain to Callahan. 1372 Comment
  HSC18921  Pyrola minor J. O. Sawyer 1969-8-1 1610 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC94554  Pyrola picta R. C. Wenk 2006-9-2 560 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  CAS-BOT-BC462544  Pyrola picta Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC60913  Pyrola picta Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC362270  Pyrrocoma carthamoides var. cusickii Louis C. Wheeler No date on label 2830 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. Comment
  OBI55547  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  CAS-BOT-BC362386  Pyrrocoma racemosa var. racemosa Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  POM270211  Quercus chrysolepis George B. Grant 1902-09 s.n. Siskiyou Dunsmuir, N. California. Comment
  CAS-BOT-BC94650  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  UCD46153  Quercus garryana Edward Lee 1934-8-15 1126 Siskiyou Summit of Happy Camp- Waldo (one) Road. Indian Creek watershed. Klamath National Forest. 1615 Comment
  HSC29147  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Marble Mtn. Wilderness Area, NNW of Tobacco Lake and W of W cove of Hancock Lake 1921 Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCSB60633  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  HSC30228  Quercus garryana var. breweri William J. Ferlatte 1973-7-30 1482 Siskiyou Yellow Rose Mine Trail 1.0 mi SE of Big Flat 1829 Comment
  CAS-BOT-BC105465  Quercus kelloggii Alice Eastwood 1923-5-20 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC105470  Quercus kelloggii Carl B. Wolf 1927-8-26 1027 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC104364  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  HSC68333  Quercus sadleriana Maralyn A. Renner 1980-6-26 1237 Siskiyou SE edge of Flint Valley. 1390 Comment
  SBBG83415  Quercus sadleriana R. Gankin, H. Brewer, D. Hildreth, K. Milam 1965-8-11 607 Siskiyou Indian Crk Rd, 5.6 mi S of Californica- Oregon state line Comment
  UCD47242  Quercus sadleriana D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1524 Comment
  UCD47253  Quercus sadleriana J. M. Tucker 1963-7-9 3735 Siskiyou Ca. 3/4 mile east of Marble Valley Guard Station, upper Canyon Creek, Marble Mountain Wilderness Area, Siskiyou County, California. 1615 Comment
  UCSB15541  Quercus sadleriana D. Breedlove 1962-6-10 3289 Siskiyou ALONG INDIAN CREEK RD LITTLE GREYBACK MOUNTAIN (FROM O'BRIEN TO HAPPY CAMP) 1554 Comment
  HSC98331  Ranunculus alismifolius var. alismellus G. L. Clifton 1979-7-1 6161 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS60658  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-10-16 545 Siskiyou creek below L. Eastlick Ranch; Oro Fino Comment
  SEINET7042790  Ranunculus californicus A. G. Vestal 1955-5-17 s.n. Siskiyou Meadow at Oxbow west of Scott River. 9.5 miles south of Fort Jones. Etna quadrangle UTM Zone 10 508671mE, 4590390mN. Comment
  UC922305  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-29 5902 Siskiyou Trail to Hidden Lake Marble Mountains, Sky High Valley (by way of Campbell Lake trail, facing n to Marble Ridge) 1767 Comment
  UCR37849  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 A Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  UC827780  Ranunculus flammula Alice Eastwood 1912-7-15 1087 Siskiyou McCloud Comment
  UC220629  Raphanus raphanistrum H. E. Brown June 1-10 1897 343 Siskiyou near Sisson 1083 Comment
  RSA746507  Rhamnus californica subsp. occidentalis K. M. Meyer, A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  UC637070  Rhamnus californica subsp. occidentalis Edward Lee 1934-8-13 1060 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath Mountains, West Branch of Indian Creek 1219 Comment
  RSA238023  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Mid way down the steep spillway from Diamond Lake to upper English Lake and along the spillway stream. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1921 Comment
  UC1409293  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou midway down the steep spillway from Diamond Lake to Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, English Peak 1920 Comment
  JEPS41972  Rhamnus rubra Willis L. Jepson Jul 1894 13982 Siskiyou plateau about Muir's Peak Upper Sacramento Region, Black Butte Comment
  JEPS42059  Rhamnus rubra W. L. Jepson 1940-7-3 20090 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  HSC4878  Rhododendron columbianum J. O. Sawyer 1968-6-25 289 Siskiyou NE of N Horse Range Lake 2012 Comment
  CAS-BOT-BC200402  Rhododendron occidentale var. paludosum Alice Eastwood 1921-7-24 10750 Siskiyou Castle Lake Comment
  UC635215  Rhus trilobata H. L. Mason 1931-5-9 5864 Siskiyou Shasta Creek Comment
  UC1408859  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou between Diamond Lake and Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  SFV10392  Ribes cereum M. L. Vincent 1967-6-29 720 Siskiyou On Mount Shasta. 2134 Comment
  UC1540006  Ribes cereum M. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cave (close to road); Lava Beds National Monument 1402 Comment
  SEINET13942420 Image available Ribes cereum Frank W. Gould 1940-1 1254 Siskiyou Bald Mountain on road from Mt. Hebron to Montague,in pine woods. 5,500 ft. 152 Comment
  UC165267  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  HSC633  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  JEPS84054  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6352 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1730 Comment
  CAS-BOT-BC173390  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  HSC40026  Ribes marshallii J. O. Sawyer 1971-7-24 2422 Siskiyou Just N of Summit Lake 1860 Comment
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Dec 6 2013
  RSA237677  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CHSC1660  Ribes nevadense M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  HSC98215  Ribes nevadense J. O. Sawyer 1969-7-24 1459 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC98216  Ribes nevadense J. O. Sawyer 1969-7-11 1339 Siskiyou S Sugar Creek 1829 Comment
  UC921814 Image available Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC46734  Ribes roezlii William J. Ferlatte 1976-9-22 1862 Siskiyou W side of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  RSA0018040  Ribes roezlii H. K. Wagnon, G. D. Barbe 1957-6-16 13127 -MSB Siskiyou Scott Mountains up to 1300. Comment
  HSC68479  Ribes roezlii var. cruentum Maralyn A. Renner 1980-6-8 815 Siskiyou Slopes N of Moffett Creek 945 Comment
  UC455589  Ribes roezlii var. cruentum I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  RSA47629  Ribes roezlii var. roezlii Roxana S. Ferris, Laura Lorraine 1948-6-12 11775 Siskiyou 5.5 miles from Etna on forks of Salmon Road Comment
  HSC29414  Ribes sanguineum Frederick W. Oettinger, R. F. Thorne 1969-8-7 1280 Siskiyou SE of English Lake 1829 Comment
  UC1333318  Ribes sanguineum Dorothy Parker 1949-5-26 301 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  CAS-BOT-BC144509  Ribes sanguineum var. sanguineum Annetta Carter 1934-8-13 707 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  HSC63074  Ribes velutinum David Wheeler 1979-4-8 33 Siskiyou N facing slope Comment
  CAS-BOT-BC168793  Ribes viscosissimum Doris K. Kildale 1928-7-2 5344 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC168799  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mts. 1813 Comment
  CAS-BOT-BC168802  Ribes viscosissimum W. R. Dudley 1901-8-8 s.n. Siskiyou Jackson Lake, southern Siskiyou County Comment
  HSC33927  Ribes viscosissimum J. O. Sawyer 1968-7-23 594 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC61947  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  LA205491  Ribes viscosissimum W. B. C.; 1939-6-30 13570 Siskiyou Mount Shasta, near the source of MacBride Springs 1523 Comment
  SEINET13942855 Image available Ribes viscosissimum W. M. Bridge Cooke 1941-1 16047 Siskiyou along the Sisson Southern Trail in creeks and fir woods, Mt. Shasta elev 5500 Comment
  JEPS84200  Romanzoffia sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6519 Siskiyou e. Condrey Mt. (Alex Hole); Alex Hole 1960 Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD77974  Rorippa curvisiliqua Robert E. Preston 2002-7-14 1928 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1763 Comment
  HSC29185  Rorippa curvisiliqua Frederick W. Oettinger 1969-8-18 1416 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1820 Comment
  CHSC91251  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2005-6-10 12079 Siskiyou 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
  RSA1919  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 miles above Happy Camp. 183 Comment
  UC768890  Rosa eglanteria Doris K. Kildale 1930-5-31 9805 Siskiyou island in river near Hornbrook; Klamath River 609 Comment
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Jan 25 2013
  CAS-BOT-BC146757  Rosa gymnocarpa Doris K. Kildale 1928-7-4 5469 Siskiyou 3 miles west of Summit of divide between Sawyers Bar and Etna Mills 1828 Comment
  HSC29497  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake 1951 Comment
  POM140217  Rosa gymnocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  RSA237785  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Between English Lake and Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  RSA597961  Rosa gymnocarpa Louis C. Wheeler 1963-9-3 8341 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
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Apr 8 2015
  RSA537276  Rosa nutkana Walter Wisura, J. Romero 1991-10-18 4603 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  UC1409336  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou talus below shore cliff just below Diamond Lake (on way toward English Lake); Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  SEINET10628439 Image available Rosa pisocarpa Cyrus G. Pringle 1882-1 Pringle 14501 Siskiyou By streams. Comment
  RSA11800  Rosa pisocarpa subsp. ahartii Elmer I. Applegate 1898-5-15 21280 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  POM88096  Rosa woodsii var. ultramontana Geo. D. Butler 1908-6-20 1044 Siskiyou Near Yreka Comment
  JEPS94391  Rotala ramosior Vernon Oswald and Lowell Ahart 1997-7-28 8807 Siskiyou 10.9 mi n of Highway 89 (on e side of Forest Route 15); Forest Route 15 1383 Comment
  POM366399  Rubus discolor Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  UCSB16645  Rubus leucodermis Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  UC375391  Rubus parviflorus Geo. D. Butler 1908-7-12 1043 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC422221  Rumex acetosella Gilbert Muth 1966-7-18 414 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC98390  Rumex acetosella J. O. Sawyer 1969-7-16 1143 Siskiyou W of Waterdog Lake 2073 Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  HSC17612  Rumex triangulivalvis R. C. Wunner 1965-6-22 266 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  CAS-BOT-BC103537  Salix commutata Doris K. Kildale 1928-8-20 6583 Siskiyou Lily Pad Lake near Hancock Lookout Trail to Marble Mt. 2133 Comment
  CAS-BOT-BC103544  Salix commutata John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA261430  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp. At base of Kings Castle on the E side. Marble Mtn Wilderness Area. 1982 Comment
  POM106928  Salix exigua Geo. D. Butler 1910-5-20 1369 Siskiyou Near Yreka. Comment
  CAS-BOT-BC107779  Salix hindsiana Lewis S. Rose 1945-6-22 45172 Siskiyou Beaver Creek & Klamath River 548 Comment
  POM362652  Salix laevigata E. E. Stanford 1930-6-16 1604 Siskiyou Near Hornbrook. Comment
  CAS-BOT-BC125465  Salix lasiandra var. lasiandra L. B. Kildale 1930-5-31 9794 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC125470  Salix lasiandra var. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1371 Comment
  SD1000  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City, flat beside creek, at bridge, about 1.3 km east of Burney Mill 1110 Comment
  CAS-BOT-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC375233  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou along creek near Yreka 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
  UC481717  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, Wagon Creek Canyon ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  RSA5700  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  UCR66565  Salix lucida subsp. lasiandra L. C. Wheeler 1934-7-5 2893 Siskiyou Siskiyou Mtns., Hungry Creek 1372 Comment
  CAS-BOT-BC125684  Salix melanopsis Doris K. Kildale 1928-8-18 6416 Siskiyou North Fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC126148  Salix scouleriana John Thomas Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC19449  Salix scouleriana J. O. Sawyer 1969-8-4 1814 Siskiyou Above Sugar Lake 2134 Comment
  SEINET12003151  Salix sessilifolia Unknown 1936-1 13444 Siskiyou Klamath river Comment
  CAS-BOT-BC220806  Salvia dorrii var. dorrii Elmer I. Applegate 1932-6-13 7242 Siskiyou Lava Beds National Monument. Captain Jack's Stronghold, north of the monument area, near old shoreline of Tule Lake Comment
  SBBG30559  Salvia dorrii var. dorrii D. Myrick 1968-6-22 1986 Siskiyou Lava Beds Nat Monument 1371 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
  RSA31143  Salvia sonomensis A. A. Heller 1905-6-16 s.n. Siskiyou Near Sisson Comment
  SEINET3154867  Sambucus canadensis G. D. Butler 1910-5-29 1425 Siskiyou Dry thicket near Yreka Comment
  UC441306  Sambucus melanocarpa Annie M. Alexander and Louise Kellogg 1911-6-17 155 Siskiyou Jackson L. 1798 Comment
  SEINET8057832  Sambucus nigra G. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
  CAS-BOT-BC238884  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  CAS-BOT-BC236478  Sambucus racemosa subsp. racemosa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek 1828 Comment
  SEINET11918953  Sanguisorba annua H. M. Hall, Babcock, E. B. 1903-1 4046 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1036 Comment
  JEPS1000  Sanicula graveolens W. L. Jepson July 17 - 22, 1902 2068 Siskiyou Devil's Backbone, Western Siskiyou County Devil's Backbone 1828 Comment
  UC1222752  Sanicula graveolens Joseph P. Tracy 1951-6-16 19481 Siskiyou at crossing of Takilma-Happy Camp Road (Summit of the Siskiyous); Summit of Siskiyous Comment
  HSC409  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC34487  Sarcodes sanguinea A. Montalvo, J. D. Ackerman 1974-8-17 426 Siskiyou W slope of Preston Peak, W Siskiyou Mtns. 1524 Comment
  CAS-BOT-BC436883  Saxifraga bronchialis subsp. austromontana Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mts. 1981 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
  UC630404  Saxifraga ferruginea Annetta Carter 1939-8-21 1473 Siskiyou 12 mi sw of Etna (above ne end of Taylor Lake); Salmon Mountains 2194 Comment
  JEPS82426  Saxifraga integrifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow; Marble Mountain Wilderness Area, Marble Valley Meadow 1792 Comment
  JEPS47485  Saxifraga nidifica var. nidifica Geo. D. Butler 1909-4-25 781 Siskiyou at lower end of Shackleford Creek (Quartz Valley, an arm of Scott Valley); Quartz Valley, arm of Scott Valley, Shackleford Creek 853 Comment
  RSA238322  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 1037 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  JEPS13971  Saxifragopsis fragarioides C. G. Pringle 1882-9-5 Siskiyou cliffs overhanging Castle Lake Comment
  POM354594  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Marble Mts., Klamath National Forest. Comment
  UCD126453  Schedonorus arundinaceus Roseman 1913-1 36 Siskiyou Butte Valley. Comment
  JEPS124491  Schoenoplectus acutus var. occidentalis Daniel Slakey 2015-7-14 164 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  CAS-BOT-BC111412  Schoenoplectus acutus var. occidentalis L. B. Kildale 1930-5-31 9802 Siskiyou Island in Klamath River near Hoenbrook Comment
  CAS-BOT-BC30750  Scirpus congdonii J. H. Thomas; H. A. Thomas 1954-7-24 4489 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  SBBG30568  Scirpus congdonii D. Myrick 1968-6-29 2056 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  JEPS63976  Scirpus microcarpus Mrs. B. C. Goldsmith 1916-9-19 24 Siskiyou Sisson Comment
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Gr 716 Comment
  JEPS94857  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  POM69573  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek. Comment
  UC1040695  Scutellaria antirrhinoides A. H. Murphy 1956-8-16 56 J Siskiyou Klamath National Forest 1981 Comment
  RSA105428  Scutellaria siphocampyloides Douglas Barbe 1955-7-1 80 Siskiyou Steep rocky hill just behind Callahan to the north. 976 Comment
  HSC101404  Sedum lanceolatum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13072 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  RSA0076354  Sedum lanceolatum C. L. Hitchcock, J. S. Martin 1939-7-9 5331 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  HSC63300  Sedum lanceolatum var. lanceolatum M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  CHSC118103  Sedum oblanceolatum Peter Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range. 1610 Comment
  HSC19539  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1918 Siskiyou South Sugar Creek 2043 Comment
  HSC19544  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-13 1109 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS121410  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC94958  Sedum oregonense R. C. Wenk 2005-7-15 214 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  LA209666  Selaginella scopulorum Lawrence L. Kiefer; 1963-8-11 804 Siskiyou Kangaroo Lake (NE of Callahan), E side of lake 2133 Comment
Read comments
Oct 24 2014
  CAS-BOT-BC363426  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  CHSC33066  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  HSC91183  Senecio fremontii Jennifer Whipple 1977-7-20 1990 Siskiyou N slopes of Mount Eddy 2500 Comment
  CDA8621  Senecio hydrophilus David Van Baren 2007-8-27 PDR# 1278072 Siskiyou Butte Valley Wildlife Area; Pond 8A-Z. Comment
  CDA8623  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  HSC76910  Senecio integerrimus K. T. Stillman 1976-6-26 122 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  JEPS94761  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC29122  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1890 Comment
  HSC68396  Senecio integerrimus var. major Maralyn A. Renner 1980-6-26 1244 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC364425  Senecio triangularis John Thomas Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC62000  Senecio triangularis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC76653  Senecio triangularis K. T. Stillman 1976-7-23 298 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC91256  Senecio triangularis Jennifer Whipple 1977-7-20 2005 Siskiyou N slopes of Mt. Eddy 2287 Comment
  HSC96289  Senecio triangularis Gordon Leppig 1998-8-14 1010 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC96431  Senecio triangularis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 475 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  RSA0011836  Shepherdia canadensis K. M. Meyer, A. Townesmith 2007-7-31 175 Siskiyou Shasta-Trinity National Forest, 5.4 mi. on NF rd. 17, off US Hwy. 97 1294 Comment
  CHSC102564  Sibbaldia procumbens L. P. Janeway 2009-8-4 9901 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  JEPS44595  Sibbaldia procumbens Willis L. Jepson 1894-8-4 14169 Siskiyou above snow-line Mt. Shasta Comment
  UC163716  Sidalcea oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  CDA36497  Sidalcea oregana J. R. Grisham 1961-6-14 Siskiyou Yreka 0 Comment
  JEPS84215  Sidalcea oregana subsp. oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6322 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte, e slopes) 1750 Comment
  UC164432  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mountain foothills of Goosenest Mountain Comment
  UC60961  Sidalcea oregana subsp. spicata Geo. B. Grant September 1902 5216 b Siskiyou Mount Shasta Comment
  CDA24093  Silene antirrhina Vernon H. Oswald & Lowell Ahart 1998-6-11 9180 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA610006  Silene campanulata L. C. Wheeler 1935-6-9 3554 Siskiyou Siskiyou Mountains; Yreka Creek (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC181191  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  HSC68056  Silene campanulata subsp. greenei J. P. Smith 1976-5-5 8684 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  HSC68107  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6495 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA48582  Silene campanulata subsp. greenei P. A. Munz 1949-5-18 13306 Siskiyou 4 miles south of Callahan on road to Trinity Center. 1524 Comment
  SEINET182278  Silene douglasii L. C. Wheeler 1935-6-27 3602 Siskiyou Head Etna Creek Marble Mountains. 1798 Comment
  CHSC69076  Silene douglasii var. douglasii Vernon Oswald; Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CAS-BOT-BC388947  Silene grayi Wm. Bridge Cooke 1938-8-18 11494 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  HSC23547  Silene grayi J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  UC454248  Silene grayi I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); , near Sisson 1981 Comment
  HSC61456  Silene grayi Ruby Van Deventer 1938-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA237803  Silene grayi Frederick W. Oettinger 1969-7-29 1110 Siskiyou North of upper English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1586858  Silene invisa Juha Pykala and D. H. Norris 1987-7-7 2338 Siskiyou e China Mountain (beside a trail from Deadfall Creek Meadow to Stewart Springs); Shasta National Forest, fr Deadfall Crk Mdws to Stewart Spri 1889 Comment
  HSC61455  Silene laciniata subsp. californica Ruby Van Deventer 1938-6-11 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC389419  Silene lemmonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC32246  Silene lemmonii J. O. Sawyer 1970-6-17 2210 Siskiyou Along CCC Rd. 1433 Comment
  CAS-BOT-BC175120  Silene suksdorfii Mary Ann Showers 1980-8-28 2071 Siskiyou On vertical n and ne-facing slopes of Red Butte, on lower slope of Mt. Shasta, Shasta-Trinity Natl Forest 2468 Comment
  CDA3895  Sinapis arvensis T. C. Fuller 1958-4-17 4823 Siskiyou 1 mile south of Montague. 0 Comment
  HSC64805  Sisymbrium altissimum J. P. Smith 1974-5-26 7388 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC6909  Sisymbrium altissimum D. M. Thomson 1965-6-19 89 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CHSC2211  Sisyrinchium bellum M. Yoder 1941-7-12 Siskiyou Castle Lake 1981 Comment
  UC375213  Sisyrinchium idahoense var. idahoense Geo. D. Butler 1908-6-29 532 Siskiyou Cherry Creek Comment
  HSC61170  Smilax californica Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC1409252  Solanum umbelliferum Frederick W. Oettinger 1969-7-15 1033 Siskiyou along trail from English to Diamond Lake (Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  CAS-BOT-BC365565  Solidago elongata Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC365570  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  UC163885  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC339855  Solidago multiradiata C. F. Baker 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCD136123  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -a Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  CDA7677  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CAS-BOT-BC374524  Sonchus asper W. B. Cooke; V. G. Cooke 1961-7-17 32626 Siskiyou Along logging road near Howard, Mt. Shasta Comment
  CAS-BOT-BC157324  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  HSC44932  Sorbus scopulina J. O. Sawyer 1978-6-19 3250 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC29506  Sorbus sitchensis var. sitchensis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1276 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1799 Comment
  SEINET3157632  Spiraea discolor G. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC149683  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC149689  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  LA208260  Spiraea douglasii A. A. Heller; 1916-6-20 Siskiyou Metcalf's Ranch, Metcalf's ranch NE of Mt. Eddy in openings in the forest 1188 Comment
  CAS-BOT-BC149697  Spiraea splendens A. M. Vollmer; L. Beane 1951-6-1 158 Siskiyou Road to Elk Valley Comment
  CAS-BOT-BC421466  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  RSA184657  Stachys emersonii Clare B. Hardham 1965-8-20 13013 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  POM208265  Stachys rigida subsp. rigida Louis C. Wheeler 1934-6-4 2631 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  CAS-BOT-BC391217  Stellaria longipes subsp. longipes Wm. Bridge Cooke 1937-8-6 9184 Siskiyou Mount Shasta. Bear Springs Comment
  CAS-BOT-BC375643  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 a Siskiyou Sisson Comment
  UC584352  Stephanomeria paniculata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2444 Siskiyou about 1 mi n Scott River (at Wicks Ranch, 2 mi below Quartz Valley) 914 Comment
  UC830517  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  HSC6233  Stephanomeria virgata D. M. Thomson 1965-8-14 184 Siskiyou California Lava Beds National Monument; Caldwell Butte Comment
  HSC19122  Stipa occidentalis var. californica J. O. Sawyer 1969-8-4 1842 Siskiyou Above Sugar Lake 2134 Comment
  HSC19242  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1427 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  POM143368  Streptanthus tortuosus George B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2439 Comment
  UC1190144  Streptanthus tortuosus Ira L. Wiggins 1955-6-27 13523 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC648312  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  HSC69714  Streptopus amplexifolius Maralyn A. Renner 1980-7-15 1770 Siskiyou English Lake inlet 1780 Comment
  CAS-BOT-BC516436  Streptopus amplexifolius Ira L. Wiggins 1955-7-24 13502 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  HSC620  Suksdorfia ranunculifolia William J. Ferlatte 1966-7-7 200 Siskiyou Caribou Basin 1982 Comment
  HSC65266  Suksdorfia ranunculifolia Rich White 1977-7-7 114 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  RSA238303  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Meadow north of Upper English Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1921 Comment
  UC1190180  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1565731  Swertia perennis W. J. Ferlatte 1980-9-1 2033 Siskiyou ca 0.5 mi n China Mountain (n 70 degrees e of Crater Lake) 2316 Comment
  UC166199  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC234796  Symphoricarpos mollis Alice Eastwood 1912-9-4 2102 a Siskiyou Sisson Comment
  HSC18885  Symphoricarpos mollis J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC46797  Symphoricarpos mollis William J. Ferlatte 1976-9-22 1864 Siskiyou Yellow Rose Mine trail. 1615 Comment
  HSC77248  Symphoricarpos mollis L. P. Janeway 1983-7-18 432 Siskiyou Near Rd. 19N07, ca. 6 mi. from Indian Creek Rd. 1220 Comment
  UC28686  Symphoricarpos mollis var. acutus C. B. Bradley 1879-1 Siskiyou Comment
  OBI55494  Symphyotrichum bracteolatum David J. Keil, Kathleen Keil 1992-7-21 23551 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  UC166162  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Edgewood Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  SBBG25841  Symphyotrichum foliaceum D. Myrick 1966-8-9 1509 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC135424  Symphyotrichum spathulatum C. F. Baker 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  HSC75352  Symphyotrichum spathulatum var. spathulatum J. O. Sawyer, M. Mesler 1980-8-10 4036 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  UC1131546  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou 1/2 mi ne of Hilt 1036 Comment
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Jun 18 2011
  HSC67634  Tamarix parviflora J. P. Smith 1976-5-4 8665 Siskiyou Hwy. 96, 1 mi. E of Klamath National Forest Boundary, along Klamath River. 610 Comment
  CAS-BOT-BC376787  Tanacetum parthenium Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka Comment
  CAS-BOT-BC85239  Taxus brevifolia Doris K. Kildale 1928-7-4 5475 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Mills Comment
  CAS-BOT-BC85246  Taxus brevifolia Doris K. Kildale 1929-5-11 7719 Siskiyou Cecilville, South fork of Salmon River Comment
  HSC68415  Taxus brevifolia Maralyn A. Renner 1980-7-4 1404 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC73324  Taxus brevifolia Gail Newton 1980-6-20 481 Siskiyou Near Bald Mtn. 1097 Comment
  NY17448  Taxus brevifolia I. L. Wiggins 1955-7-24 13482 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  UC144226  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague Comment
  RSA60794  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake 1280 Comment
  UC1408836  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou sw shore line Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1722 Comment
  HSC29434  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Marble Mtn. Wilderness Area, SW shoreline of Abbotts Lake 1723 Comment
  UC165981  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mountain Comment
  UC530060  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork Beaver Creek; Siskiyou Mts., West Fork Beaver Creek 1066 Comment
  UC1483561  Tofieldia occidentalis subsp. occidentalis Maralyn A. Renner 1980-6-26 1164 Siskiyou Klamath National Forest 1389 Comment
Read comments
Feb 9 2009
  CAS-BOT-BC377096  Tragopogon dubius Wm. Bridge Cooke 1939-6-30 13553 Siskiyou Mount Shasta. Along the lower part of the MacBride Springs Road Comment
  HSC788  Triantha occidentalis subsp. occidentalis William J. Ferlatte 1966-8-16 369 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  CAS-BOT-BC519565  Triantha occidentalis subsp. occidentalis W. R. Dudley 1907-8-18 s.n. Siskiyou Near Jackson lake Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  SBBG3819  Trifolium eriocephalum H. and M. Dearing 1939-6-3 3528 Siskiyou Spring Flat Public Camp, Klamath Nat Forest 731 Comment
  POM27526  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1910-6-6 1457 Siskiyou Quartz Valley Comment
  HSC58924  Trifolium howellii Marvin Butler 1971-8-11 282 Siskiyou Near Marv's Meadow 1464 Comment
  HSC69400  Trifolium howellii Maralyn A. Renner 1980-8-8 2440 Siskiyou Rattlesnake Meadow 1646 Comment
  UC1152151  Trifolium howellii Joseph P. Tracy 1950-7-20 19210 Siskiyou Flint Valley 1402 Comment
  HSC65282  Trifolium longipes Rich White 1978-7-6 254 Siskiyou Pond above Elk Hole 1524 Comment
  RSA582434  Trifolium longipes Louis C. Wheeler 1935-7-26 3706 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CHSC63511  Trifolium longipes subsp. elmeri Vernon H. Oswald; Lowell Ahart 1994-8-1 6423 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  JEPS125882  Trifolium longipes subsp. elmeri Dean W. Taylor 1996-7-26 15841 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 Comment
  UC630757  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy Comment
  UCD111328  Trifolium macrocephalum J. G. Ferrell 1941-4-1 s.n. Siskiyou Near Edgewood. Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  RSA183661  Trifolium repens Gilbert Muth 1965-8-16 229 Siskiyou Marble Valley Guard Station, Marble Mountains Comment
  UC630702  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  CAS-BOT-BC451782  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  HSC75148  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5705 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  HSC86281  Trillium ovatum J. O. Sawyer 1983-7-6 4225 Siskiyou E of Cedar Flat on trail to Bunn's Basin 1372 Comment
  RSA234824  Trillium ovatum Frederick W. Oettinger 1969-8-25 1557 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CHSC95088  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8734 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Shady flat bench above the creek. 1585 Comment
  HSC30710  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; West of Statue Creek near the point where the Music Creek logging road makes hairpin turn 1756 Comment
  HSC66231  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-15 1761 Siskiyou English Lake inlet 1780 Comment
  HSC780  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-7-9 691 Siskiyou Kidd Creek Trail 1890 Comment
  RSA211419  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  UC1409312  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou along n.e. shore of Taylor fLake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble Comment
  CAS-BOT-BC200088  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou Meadow below Marble Rim, Marble Mts. 2011 Comment
  CAS-BOT-BC200094  Trisetum canescens John Thomas Howell 1939-8-2 14922 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC4310  Trisetum cernuum D. Parker 1965-7-24 897 Siskiyou Near Horse Range Creek, Salmon Mt. 1828 Comment
  HSC34133  Trisetum spicatum J. O. Sawyer 1969-8-5 1779 Siskiyou Near Little Duck Lake 2073 Comment
  HSC69380  Trisetum spicatum J. O. Sawyer, Jane Cole 1980-7-19 3693 Siskiyou Near FS Rd. 45N05 2018 Comment
  RSA238974  Trisetum spicatum Frederick W. Oettinger 1968-8-22 593 Siskiyou between English Peak and Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC133495  Triteleia crocea Clarence R. Quick 1959-6-19 59 -02 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UCSB24892  Triteleia crocea Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  SJSU6067  Triteleia crocea R. W. Trivelpiece 1971-6-6 10 Siskiyou E Fork Horse Creek between White Mt & White Cloud Mt c. 5 mi S of Oregon border 944 Comment
  JEPS64224  Triteleia hyacinthina W. L. Jepson July 1894 20977 Siskiyou Sisson Comment
  UC333367  Triteleia hyacinthina unknown 1889-6-27 Siskiyou near Edgewood Comment
  UC161221  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1828 Comment
  HSC96310  Tsuga mertensiana Gordon Leppig 1998-8-14 1032 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS46774  Tsuga mertensiana W. L. Jepson 1907-7-1 Siskiyou near Marble Mt. Comment
  CAS-BOT-BC74092  Turritis glabra A. A. Heller 1916-6-23 12437 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC74101  Turritis glabra Marion Ownbey; Fred G. Meyer 1940-7-7 2207 Siskiyou Along Soap Ridge road, southwest of Yreka. Comment
  CAS-BOT-BC74097  Turritis glabra Wm. Bridge Cooke 1941-7-11 16040 Siskiyou Around MacBride Springs, Mount Shasta. 1524 Comment
  CAS-BOT-BC91276  Umbellularia californica Carl B. Wolf 1927-8-27 1135 Siskiyou On the Klamath River at mouth of Crawford Creek. Comment
  UC5982 Image available Urtica dioica subsp. holosericea Edward L. Greene 1870-8-25 1028 Siskiyou near Etna Comment
  UCD168825  Utricularia macrorhiza Barry Rice 2015-9-6 BR 150904 Siskiyou Caldwell Fen. 2068 Comment
  CHSC69749  Vaccinium cespitosum Loren Gehrung 1996-9-20 109 Siskiyou Jackson Lake. 1 airmile south of Russian Wilderness Area. 1901 Comment
  HSC19103  Vaccinium cespitosum J. O. Sawyer 1969-7-9 1231 Siskiyou S of South Sugar Lake 1951 Comment
  HSC19350  Vaccinium cespitosum J. O. Sawyer 1968-7-23 575 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS25577  Vaccinium cespitosum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7203 Siskiyou at upper edge of Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  CAS-BOT-BC199235  Vaccinium membranaceum Harley P. Chandler 1901-6-1 1577 Siskiyou Near Marble Mountain 2133 Comment
  HSC29308  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou Marble Mountain Wilderness Area, E side of Tobacco Lake 1890 Comment
  RSA238859  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 a Siskiyou Common around Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCR38387  Vaccinium uliginosum subsp. occidentale G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  RSA201568  Vahlodea atropurpurea Jack Major, M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain. 1976 Comment
  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
  RSA238573  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou NW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC19090  Veratrum californicum var. californicum J. O. Sawyer 1969-8-4 1824 Siskiyou Above Sugar Lake 2134 Comment
  HSC44854  Veratrum californicum var. californicum J. P. Smith, Steve Selva 1970-6-16 4029 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC72493  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4070 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS16838  Veronica americana W. L. Jepson July, 1894 21321 Siskiyou Sisson Comment
  HSC72504  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4024 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  SD76150  Veronica anagallis-aquatica Helen V. Witham 1969-10-7 585 Siskiyou At bridge to Indian Scotty Campground, Scott River, 10 Mi. west of Ft. Jones 700 Comment
  UCR143209  Veronica persica L. C. Wheeler 1935-4-17 3425 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  CDA6417  Veronica persica T. C. Fuller 1962-5-17 8740 Siskiyou El Rancho Motel, Yreka. 0 Comment
  CAS-BOT-BC94405  Veronica serpyllifolia subsp. humifusa R. C. Wenk 2005-7-15 204 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  UC1223736  Veronica triphyllos Iris Coonrod 1963-4-1 Siskiyou Montague, Coonrod Ranch Montague; , Coonrod Ranch 914 Comment
  HSC19337  Veronica wormskjoldii J. O. Sawyer 1969-7-9 1225 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC4803  Veronica wormskjoldii William J. Ferlatte 1966-6-5 488 Siskiyou Big Flat, between campground and S Fork of Salmon River 1524 Comment
  SBBG15262  Vicia americana subsp. americana D. Myrick 1961-6-21 301 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment