Search Results — 2000 specimen records retrieved (1399 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC4979  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CHSC27314  Abies concolor T. B. Devine 1976-10-23 362 Siskiyou Little Duck Lake. 1950 Comment
  HSC29673  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Marble Mtn. Wilderness Area, NE of English Lake outlet 1921 Comment
  HSC39922  Abies lasiocarpa J. O. Sawyer 1971-7-16 2431 Siskiyou Slopes NE of Deep Lake, Bulk Collection 115 2165 Comment
  HSC67823  Abies magnifica J. O. Sawyer, J. Cole 1980-7-20 3767 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC330619  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou Sisson Comment
  HSC31545  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  UC454749  Acer circinatum I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  UC452616  Acer glabrum var. glabrum Annie M. Alexander and Louise Kellogg 1911-6-23 178 Siskiyou Jackson Lake Comment
  HSC61841  Acer glabrum var. torreyi Al Hobart 1969-7-7 Siskiyou Poker Flat 1646 Comment
  HSC672  Acer glabrum var. torreyi William J. Ferlatte 1967-7-9 689 Siskiyou Kidd Creek 1890 Comment
  POM85906  Acer negundo subsp. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek. Comment
Read comments
Jan 23 2011
  CAS-BOT-BC30440  Achillea millefolium A. A. Heller 1915-8-26 12241 Siskiyou Mt. Eddy 1828 Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC81664  Achillea millefolium Thomas W. Nelson, Jane P. Nelson 1980-7-17 6077 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC92585  Achillea millefolium Jennifer Whipple 1978-10-6 2404 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  CAS-BOT-BC30443  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness 1950 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  HSC68426  Achlys triphylla Maralyn A. Renner 1980-6-26 1219 Siskiyou SE edge of Flint Valley. 1390 Comment
  CDA28100  Achnatherum lemmonii J. R. Grisham 1965-5-19 s.n. Siskiyou Yreka. At C.H. Haley property in yard, Rte 1 box 131-A. 0 Comment
  CAS-BOT-BC216924  Achnatherum occidentale Alice Eastwood 1921-7-28 10931 Siskiyou Medicine Lake Comment
  UCD50959  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  CAS-BOT-BC210869  Achnatherum occidentale subsp. californicum H. S. Yates 1936-6-4 5837 Siskiyou One mile southwest of Signal Butte 1341 Comment
  CHSC30753  Achnatherum occidentale subsp. californicum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  JEPS76056  Achnatherum occidentale subsp. californicum W. L. Jepson 1937-7-22 18453 Siskiyou Dunsmuir Comment
  UC1133074  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 Siskiyou Grey Butte Dunsmuir Quadrangle Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  UC593458  Achnatherum occidentale subsp. pubescens E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1960 Siskiyou 2 mi s, on highway from Bray to Weed Sheep Rock (n slope of Mt. Shasta); Mt. Shasta 1235 Comment
  UC593457  Achnatherum thurberianum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1959 Siskiyou 2 mi s on highway from Bray to Weed Sheep Rock; Mt. Shasta 1235 Comment
  HSC100269  Aconitum columbianum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13059 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  JEPS111345  Aconitum columbianum Petra Foerster 2007-7-7 Siskiyou Scott Mountain summit forest campground; ; At Summit of Hiway 3, about 3 mi South of Callahan 1645 Comment
  UC618886  Aconitum columbianum W. Bridge Cooke 1938-7-29 11420 Siskiyou Wagon Camp Meadow and at Bear Springs Wagon Camp; Mt. Shasta, Wagon Camp Comment
  CAS-BOT-BC391527  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-7-2 5401 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  HSC96298  Aconitum columbianum subsp. columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC391524  Aconitum columbianum subsp. columbianum H. E. Brown 1897-6-15 514 Siskiyou On the North side of Mt. Shasta 2743 Comment
  POM365538  Aconitum columbianum var. columbianum M. B. Dunkle 1945-8-2 9274 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC418814  Aconogonon phytolaccifolium L. S. Smith 1913-7-27 507 Siskiyou McCloud Comment
  CAS-BOT-BC29319  Adenocaulon bicolor H. A. Thomas; J. H. Thomas 1954-7-21 4396 Siskiyou Salmon-Trinity Mtns, about 6 mi SE of Cecilville, west side of Rush Creek. 1036 Comment
  UC637150  Adenocaulon bicolor Edward Lee 1934-8-13 1091 Siskiyou watershed of West Branch Indian Creek (on Happy Camp to Waldo (Oregon) rd; Klamath National Forest, Indian Creek 1463 Comment
  CAS-BOT-BC68951  Adiantum aleuticum Gilbert J. Muth 1969-8-10 1346 Siskiyou Ridge west of Boulder Peak Comment
  CAS-BOT-BC68958  Adiantum aleuticum Lemmon 1881-7-1 s.n. Siskiyou Near Shasta Comment
  CHSC71558  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1998-8-3 9452 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. East of Kangaroo Lake. 1920 Comment
  HSC36730  Adiantum aleuticum Brent Whiteley 1975-7-1 113 Siskiyou 671 Comment
  SEINET14139455 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  RSA211330  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Trinity Alps of Northern California, Willow Creek Trail. 1707 Comment
  UCD124992  Agastache urticifolia A. H. Murphy 1958-8-4 58 D Siskiyou Klamath National Forest, Little Elk Lake. 1676 Comment
  JEPS75975  Ageratina occidentalis W. J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds se of main tailings Yellow Rose Mine; Trinity Alps 2042 Comment
  HSC5645  Ageratina occidentalis D. M. Thomson 1965-8-21 200 Siskiyou California Lave Beds N.M.; by main road, Devil's Homestead Lava Flow Comment
  HSC76873  Ageratina occidentalis K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  JEPS116612  Agoseris grandiflora Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -008 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73,Hotlum Fire area burned in Feb 2006, 4 miles NE of towm of Weed Mt. Shasta 1090 Comment
  SEINET6738522 Image available Agoseris grandiflora G. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC15335  Agoseris heterophylla Wm. Bridge Cooke 1938-6-24 11069 Siskiyou MacBride Spring 1524 Comment
  POM33139  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  RSA48237  Agoseris heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  UC1125484  Agoseris heterophylla var. heterophylla M. H. Mitchell 1936-5-14 Siskiyou Canby's Cross; Doris Quad. 1234 Comment
  UC144337  Agoseris heterophylla var. heterophylla A. A. Heller 1905-6-15 8030 Siskiyou near Sisson Comment
  RSA0037257  Agrostis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38979 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2316 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
  UC203952  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek Comment
  SEINET7593586 Image available Agrostis exarata F. W. Oettinger 1969-1 1499 Siskiyou north side of Horse's Hole meadows, Horse Range Lake, Salmon Mountains 1859 Comment
  CAS-BOT-BC139573  Agrostis gigantea Wm. Bridge Cooke 1938-7-29 11409 Siskiyou Mount Shasta. Above Bear Springs. 1645 Comment
  HSC39909  Agrostis gigantea J. P. Smith, Steve Selva 1970-7-16 4376 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  RSA129612  Agrostis hallii A. Simontacchi 1937-6-21 175 Siskiyou Hunter Point Comment
  RSA238363  Agrostis humilis Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1285 Siskiyou SE of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA12484  Agrostis idahoensis C. B. Wolf 1934-7-4 5953 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  SEINET7594039 Image available Agrostis idahoensis F. W. Oettinger 1968-9-7 765 Siskiyou W. Siskiyou County, Tobacco Lake, Salmon Mountains 1890 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  HSC39813  Agrostis pallens J. O. Sawyer 1969-8-4 1836 Siskiyou Above Sugar Lake 2134 Comment
  HSC70732  Agrostis pallens Ruby Van Deventer 1955-8-1 Siskiyou Forest Service Road 17N04 Comment
  RSA239081  Agrostis pallens Frederick W. Oettinger 1969-8-24 1537 Siskiyou NW of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  SEINET7594122 Image available Agrostis pallens Frederick W. Oettinger 1969-1 1411 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, northeast of Wiregrass Meadows near English Lake Basin 1676 Comment
  CAS-BOT-BC138483  Agrostis variabilis A. A. Heller 1922-7-15 13697 Siskiyou On the edge of the small lake at Medicine Lake. 2133 Comment
  CAS-BOT-BC138485  Agrostis variabilis Alice Eastwood 1912-8-30 1986 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  SEINET8112105  Allium amplectens G. D. Butler 1910-5-17 1358 Siskiyou Yreka. Comment
  UCSB18160  Allium bolanderi 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  SBBG835  Allium campanulatum H. and M. Dearing 1939-6-3 3529 Siskiyou Klamath Public Camp, Scott River Comment
  RSA78820  Allium crenulatum Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  UC796664  Allium falcifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11716 Siskiyou Schoolhouse Hill, e. fork of Scott River Scott River, Plowman's (Noyes) Valley, Schoolhouse Hill Comment
  CAS-BOT-BC469234  Allium falcifolium R. C. Barneby 1954-5-16 11529 Siskiyou 6 miles SW of Yreka 975 Comment
  RSA131708  Allium siskiyouense Lee W. Lenz 1958-6-22 23298 Siskiyou Crest of Siskiou on road from Happy Camp to Cave Jct. (Ore) 1555 Comment
  CAS-BOT-BC478033  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  HSC60887  Allium validum Al Hobart Siskiyou Black Butte Comment
  RSA233699  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC43034  Allophyllum gilioides J. O. Sawyer, Ken Stillman 1976-7-2 2807 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC171411  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  RSA183479  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC4969  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 234 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC69717  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-7-15 1762 Siskiyou English Lake inlet 1780 Comment
  UCD114087  Alyssum alyssoides Chandler V. Jensen 1962-5-21 s.n. Siskiyou Yreka. Comment
  JEPS93966  Amaranthus blitoides Vernon H. Oswald and Lowell Ahart 1998-9-16 9642 Siskiyou 5.9 mi e of Highway 97 (Highway 161 at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  HSC44719  Amelanchier alnifolia var. pumila J. O. Sawyer, E. Cope 1977-6-18 2910 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC36661  Amelanchier alnifolia var. semiintegrifolia Brent Whitely 1975-7-5 143 Siskiyou 213 Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  UCD169265  Amelanchier pallida T. Bruchman 1978-7-1 297 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CAS-BOT-BC136889  Amelanchier utahensis Dorothy Parker 1947-5-23 182 Siskiyou Northeast slopes of the Gazelle Mountains 1493 Comment
  UC1483540 Image available Amelanchier utahensis John Palmer 1980-7-24 638 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
  UCR17262  Amelanchier utahensis Frank C. Vasek 1975-6-29 750629- 06 Siskiyou Gazelle Summit, 11.6 mi SW of Gazelle Comment
  HSC23641  Anaphalis margaritacea J. O. Sawyer 1969-8-4 1912 Siskiyou Above S Sugar Lake 2043 Comment
  UC468799  Anaphalis margaritacea H. W. Furlong Sep 1901 Siskiyou summit to Ager Comment
  UC642540  Anaphalis margaritacea W. B. Cooke 1939-8-10 13863 Siskiyou Mud Creek Canyon; Mount Shasta 2133 Comment
  CAS-BOT-BC45205  Anaphalis margaritacea William Bridge Cooke 1939-7-10 13863 Siskiyou Mount Shasta. West bank of Mud Creek Canyon. 2133 Comment
  CAS-BOT-BC391802  Anemone deltoidea Roxana S. Ferris; Laura Lorraine 1948-6-12 11740 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC391806  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 Comment
  UC165942  Anemone deltoidea Geo. D. Butler 1910-7-9 1713 Siskiyou Marble Mtn 1676 Comment
  RSA50230  Anemone deltoidea E. K. Balls 1949-7-9 13938 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SEINET12087307  Anemone deltoidea J. T. Howell 1939-1 14927 Siskiyou Marble Mountains, Spirit Lake Comment
  CAS-BOT-BC391859  Anemone drummondii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  POM270535  Anemone drummondii C. L. Hitchcock 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  UC1090391  Anemone drummondii Douglas Barbe and H. K. Wagnon 1957-6-16 13135 Siskiyou near summit Scott Mt. 1920 Comment
  UCD127109  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  HSC71954  Angelica tomentosa J. M. DiTomaso 1980-8-4 1847 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. 1341 Comment
  UCD127194  Angelica tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou around 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  HSC44892  Antennaria argentea Maralyn O'Meara 1974-5-25 406 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  UCR51803  Antennaria argentea L. C. Wheeler 1934-7-3 02852 Siskiyou Siskiyou Mtns., Head of Soda Creek, Sterling Mt. Mt. Diablo Meridian. 1768 Comment
  POM253189  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  HSC21993  Antennaria media J. O. Sawyer 1969-8-4 1804 Siskiyou Above Sugar Lake 2134 Comment
  RSA238725  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Between Charmaine Lake and Abbot's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  CHSC259  Antennaria rosea subsp. confinis V. Holt 1943-8-10 Siskiyou Marble mountains. 1524 Comment
  HSC21990  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-9 1252 Siskiyou W facing slope above Bingham Lake 2317 Comment
  CAS-BOT-BC84758  Antennaria rosea subsp. rosea K. T. Stillman 1976-8-7 213 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 1950 Comment
  CHSC1686  Antirrhinum vexillo-calyculatum subsp. breweri V. Holt 1943-8-5 Siskiyou Scott Valley. 1158 Comment
  UC566936  Apocynum androsaemifolium Dorothy Tebbe 1929-7-7 7 Siskiyou Donkey Camp Mt. Eddy Comment
  UCR47855  Apocynum androsaemifolium 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
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  UCSB6038  Apocynum androsaemifolium Myrick, Donald 1964-7-25 Siskiyou Along Shasta Ski Bowl Highway 1219 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  UC635102  Aquilegia formosa Dorothy Tebbe 1929-6-25 24 Siskiyou Mount Eddy Comment
  HSC44499  Arabis breweri var. breweri K. Irwin 1977-5-22 386 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  HSC95693  Arabis drummondii Juha Pykala, D. H. Norris 1987-7-26 2009 Siskiyou Klamath National Forest, N of Sulphur Springs between Doolittle Creek and Stanza Creek, eastern tributaries of Elk Creek 1372 Comment
  HSC69257  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-20 3741 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC57505  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-26 10157 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC66261  Arabis modesta Maralyn A. Renner 1980-6-22 897 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC35792  Arabis platysperma var. howellii J. O. Sawyer 1969-8-4 835 Siskiyou Slopes S of S Sugar Lake 2134 Comment
  POM144225  Arabis platysperma var. howellii M. S. Baker 1898-8-7 484 Siskiyou Medicine Lake. 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
  CDA24666  Arabis subpinnatifida Doug Horn 1978-4-9 Siskiyou Horn Ranch, Etna. Comment
  HSC100148  Arabis suffrutescens J. O. Sawyer 1969-8-1 1639 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1190174  Aralia californica Ira L. Wiggins 1955-7-22 13455 Siskiyou S. Fork Salmon R. 9.5 mi. above Cecilville; S. Fork Salmon R. Comment
  SEINET2471351  Arceuthobium abietinum R. L. Mathiasen 2007-9-18 2007 -49 Siskiyou 41.6 km N. of St. Rte. 96 on forest road 15N01 1420 Comment
  UC1078862  Arceuthobium campylopodum Job Kuijt 1957-5-22 1370 Siskiyou 3.5 mi w Mcloud Comment
  SEINET11990950  Arctostaphylos klamathensis Unknown 1983-1 4886 Siskiyou Terrace Lake 1881 Comment
  CAS-BOT-BC40016  Arctostaphylos nevadensis Albert Seneres; Nigel Harold; Stephen W. Edwards 1982-10-2 s.n. Siskiyou On southwest grassy spur of Deadwood Peak Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  CAS-BOT-BC46428  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 a Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46460  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 1000 Siskiyou Glass Mt. 2316 Comment
  CAS-BOT-BC46463  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mts. Comment
  CAS-BOT-BC46471  Arctostaphylos patula Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46478  Arctostaphylos patula L. R. Abrams 1922-8-7 9917 Siskiyou 1 mi. s. of Weed. Comment
  CAS-BOT-BC46513  Arctostaphylos patula C. Hart Merriam 1929-9-15 s.n. Siskiyou Sawyers Bar, Salmon River. Comment
  HSC29306  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Marble Mountain Wilderness Area: High Lake Basins, due E of Uncle's Lake 1829 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
  HSC37525  Arctostaphylos patula J. P. Smith 1974-5-25 7436 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC92272  Arctostaphylos patula Jennifer Whipple 1976-6-11 967 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  JEPS101962  Arctostaphylos patula Dean W. Taylor 1999-6-9 17229 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  CHSC33287  Arctostaphylos patula subsp. patula M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC47007  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1927-8-26 1028 Siskiyou On the Klamath River, 5 mi. below Hornbrook. Comment
  POM367491  Arctostaphylos viscida subsp. viscida Geo L. Moxley 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  UC198692  Arenaria congesta var. suffrutescens Annie M. Alexander and L. Kellogg 1911-7-28 203 Siskiyou Wildcat Peak 2194 Comment
  UCR200667  Arenaria nuttallii subsp. gregaria Daniel Sanchez-Mata, Thomas Santamaria 2006-7-26 s.n. Siskiyou Scott Mountains, Klamath National Forest; Weed, Rail Creek Road from Gazelle-Callahan Road, Kangaroo Lake, Kangaroo Lake Botanical Area 1900 Comment
  HSC29302  Arnica amplexicaulis Frederick W. Oettinger 1968-9-1 648 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  JEPS22842  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  UC1192152  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 797 Siskiyou Highway 97 Grass Lake Comment
  CAS-BOT-BC82369  Arnica cordifolia Geo. D. Butler 1910-4-21 1216 Siskiyou Oro Fino Comment
  UC585145  Arnica cordifolia E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1998 Siskiyou ca 1.5 mi w, (e and ne slope of spur of Rainbow Ridge above Sulloway Creek) Mt. Shasta City; Sulloway Creek, Rainbow Ridge 1180 Comment
  RSA50233  Arnica cordifolia E. K. Balls 1949-7-9 13942 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CAS-BOT-BC82669  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC95131  Arnica latifolia L. P. Janeway 2006-7-2 8749 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  HSC61824  Arnica latifolia Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC61886  Arnica latifolia Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC82658  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout trail, Marble Mts. 1828 Comment
  RSA253490  Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 mile from cut off at jct with Takilma Happy Camp road 1768 Comment
  SEINET3098740 Image available Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 miles from cut-off at junction with Takilma-Happy Camp road. 1770 Comment
  CAS-BOT-BC82758  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  UCD129170  Arnica mollis J. M. Tucker 1974-7-28 4322 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  POM30782  Arnica mollis var. scaberrima Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek. 1220 Comment
  JEPS2529 Image available Arnica viscosa Willis L. Jepson 1894-8-4 59 i Siskiyou Horse Camp Mt. Shasta Comment
  UCD56024  Arrhenatherum elatius S. D. Nelson 1947-5-24 s.n. Siskiyou Scott Valley. Comment
  SEINET5712646  Artemisia arbuscula J. M. Tucker, L. K. Mann 1963-1 3764 Siskiyou Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain) Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2103 Comment
  CAS-BOT-BC85024  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1966-8-7 504 Siskiyou Marble Mts. 2057 Comment
  CAS-BOT-BC93890  Artemisia dracunculus Carl B. Wolf 1927-8-27 1130 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  CAS-BOT-BC90772  Artemisia ludoviciana subsp. ludoviciana G. J. Muth 1969-8-10 1331 Siskiyou Ridge w. of Boulder Peak 2377 Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC85901  Aruncus dioicus var. acuminatus Barry Silver 1986-5-26 658 Siskiyou Elk Creek Rd., 11 mi. S of Happy Camp, base of bridge 7-1949 Comment
  CHSC100006  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9491 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  CAS-BOT-BC447719  Aruncus dioicus var. vulgaris C. A. Chamberlain 1934-8-17 3179 Siskiyou Siskiyou Mts.; N side White Mt. 1828 Comment
  POM210882  Aruncus sylvester Louis C. Wheeler 1934-8-17 3179 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  RSA238012  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC103546  Asarum hartwegii Thomas W. Nelson 2005-5-24 9319 Siskiyou Shoeinhorse Mountain, along Forest Service Rd. 11, just west of Butcherknife Creek 880 Comment
  SEINET10580346  Asclepias cordifolia E. E. Stanford 1930-6-15 Stanford 1594 Siskiyou Near Shasta City Comment
  SEINET3158762  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  POM130031  Asclepias fascicularis E. B. Copeland 1903-7-4 3558 Siskiyou Klamathon Comment
  JEPS117565  Asclepias speciosa Lowell Ahart, John Dittes 2010-7-30 16965 Siskiyou About 10 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC164149  Asclepias speciosa Geo. D. Butler 1908-8-13 1019 Siskiyou near Yreka Comment
  UC566932  Asclepias speciosa Dorothy Tebbe 1929-7-3 8 Siskiyou Stewart's Springs Mount Eddy Comment
  SDSU2732  Asclepias speciosa D. F. Howe 1979-6-26 5112 Siskiyou 0.3 mile south of #3 on Little Shasta road near Yreka. Comment
  CAS-BOT-BC478847  Asparagus officinalis W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between high school and Howard, Mt. Shasta 1219 Comment
  CAS-BOT-BC69556  Aspidotis densa Lewis S. Rose 1945-6-18 45126 Siskiyou Horse Creek & Klamath River. 502 Comment
  HSC69706  Aspidotis densa Maralyn A. Renner 1980-6-26 1260 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  POM145516  Aspidotis densa J. B. Feudge 1927-7-22 1614 Siskiyou Trail to Mountain Eddy. 1067 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
  UC1282034  Aspidotis densa Louise Kellogg Aug 5 1953-Aug 7 1953 103 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on rd to Gazelle, then s 5.8 mi on logging rd, Cabin Meadow); Scott Mts, Klamath Nat'l Forest 1844 Comment
  UC218601  Aspidotis densa C. G. Pringle 1882-9-3 Siskiyou Mts above head waters of Sacramento River Comment
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Jul 19 2010
  RSA238765  Aster radulinus Frederick W. Oettinger 1969-8-29 1563 Siskiyou Above 'Willow Springs' between Abbotts Upper Calvin and English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  POM58124  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  CAS-BOT-BC178804  Astragalus californicus T. Howell 1889-5-12 s.n. Siskiyou Hornbrook Comment
  JEPS87067  Astragalus inversus Dean Wm. Taylor and Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater, Modoc Plateau); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  CDA26744  Astragalus purshii Bob Hunter 1948-7-14 Siskiyou Yreka. 0 Comment
  UC164061  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou dry hills near Yreka; near Yreka Comment
  HSC81985  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-16 4872 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  RSA237522  Athyrium americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  CAS-BOT-BC66190  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon - Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  CAS-BOT-BC66193  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  CAS-BOT-BC17617  Athysanus pusillus Alice Eastwood 1920-5-18 11820 Siskiyou Shasta Springs. Comment
  RSA210852  Atriplex subspicata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39031 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  RSA768925  Azolla microphylla Lowell A. Ahart, John Dittes 2010-7-30 16955 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
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  POM350743  Balsamorhiza terebinthacea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy 3 on moist south-facing bank of road to Little Duck Lake and Sugar Lake. Comment
  HSC34001  Barbarea orthoceras J. P. Smith 1974-5-25 7487 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  SEINET182272  Beckmannia syzigachne L. C. Wheeler 1935-6-27 3621 Siskiyou Greenview Scott Valley 884 Comment
  JEPS47704  Berberis aquifolium J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC472297  Berberis aquifolium var. dictyota H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  HSC5012  Berberis aquifolium var. repens J. O. Sawyer 1968-7-23 578 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  CHSC10132  Berberis nervosa Geo. D. Butler 1908-8-22 Siskiyou Eldredge's [looks like 'Eeldredgis' on label] Corral Russian Creek. Comment
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1
  HSC36763  Berberis nervosa Brent Whiteley 1975-6-28 76 Siskiyou 915 Comment
  HSC69087  Berberis nervosa Maralyn A. Renner 1980-7-24 2120 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  JEPS82698  Berberis nervosa Wayne Roderick 1984-6-7 Siskiyou sw Streart Springs (Cabin Meadow) 1935 Comment
  UC1280799  Berberis nervosa H. E. McMinn 1931-6-27 2532 Siskiyou Seiad Valley to Clear Creek (Klamath River road) Comment
  CAS-BOT-BC75939  Berberis piperiana W. R. Dudley 1901-8-16 s.n. Siskiyou Willow Creek Grade near summit, west of Gazelle. Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. Comment
  HSC4950  Betula occidentalis J. O. Sawyer 1968-10-8 752 Siskiyou Rd. to Kangaroo Lake E of Callahan along Rock Fence Creek Comment
  HSC68580  Betula occidentalis Maralyn A. Renner 1980-6-23 972 Siskiyou W Fork Seiad Creek 878 Comment
  RSA30437  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou Metcalf s ranch, NE base of Mt. Eddy. 1189 Comment
  RSA47635  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-16 11823 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowmans (Noyes) Valley. 1204 Comment
  POM211250  Bidens cernua L. C. Wheeler 1934-10-21 3337 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  CAS-BOT-BC413072  Bistorta bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC413076  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UCSB15840  Bistorta bistortoides Breedlove, Dennis 1962-6-11 Siskiyou along State Highway 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  CAS-BOT-BC127943  Blepharipappus scaber W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Mt. Comment
  CAS-BOT-BC127945  Blepharipappus scaber L. B. Kildale 1930-6-1 9826 Siskiyou Mill Creek near Etna Mills Comment
  UC1278816  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains Siskiyou Mountains, Cottonwood Creek 914 Comment
  CAS-BOT-BC127937  Blepharipappus scaber Ayers; T. S. Brandegee 1887-6-1 s.n. Siskiyou unspecified Comment
  CAS-BOT-BC127948  Blepharipappus scaber L. E. Smith 1913-5-1 266 Siskiyou Edgewood Comment
  CHSC30061  Boechera breweri Harritta Gaussoin 1980-3-26 6 Siskiyou Ca. .25 miles NE of rest stop of jct. of Interstate % N and Highway 96 E. 91 Comment
  CAS-BOT-BC16052  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  JEPS60252  Boechera breweri subsp. shastaensis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2319 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Raod, on n side of McCloud River arm of Lake Shasta) 487 Comment
  UC1586875  Boechera divaricarpa Juha Pykala and D. H. Norris 1987-6-26 2041 Siskiyou above Bear Lake; Marble Mountain Wilderness Area 1950 Comment
  UCD77350  Boechera divaricarpa Robert E. Preston 2001-7-21 1703 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of se 1/4 Section 15 1859 Comment
  CHSC470  Boechera lyallii V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2133 Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD77351  Boechera platysperma Robert E. Preston 2001-6-23 1563 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC14412  Boechera platysperma William Bridge Cooke 1941-8-18 16192 Siskiyou Mount Shasta. Along the Memorial Highway. 1981 Comment
  JEPS104933  Boechera retrofracta Dean W. Taylor 1996-6-18 15726 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  CAS-BOT-BC25690  Boechera sparsiflora L. B. Kildale 1930-6-1 9853 Siskiyou Summit between Sawyers Bar and Etna Mill. Comment
  CAS-BOT-BC25926  Boechera suffrutescens Thomas W. Nelson; Jane P. Nelson 1980-7-17 6094 Siskiyou Along Forest Service road 17, 0.5 mile north of summit at county line. Comment
  CHSC1632  Boykinia major M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC27675  Boykinia occidentalis Carl W. Mize 1972-6-8 34 Siskiyou Along main trail near Deer Lick Creek 351 Comment
  HSC64832  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-14 3886 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  UCD102610  Boykinia occidentalis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-15 s.n. Siskiyou Forks of Salmon-Somes Bar. Klamath National Forest. Salmon River Road near Butter Creek. 265 Comment
  SEINET10514368  Briza maxima A. Arthur Heller 1905-6-20 Heller 8075 Siskiyou Gazelle. Comment
  RSA68950  Brodiaea multiflora A. E. Culbertson 1943-7-1 8 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  RSA603847  Bromus berteroanus L. C. Wheeler 1935-5-11 3486 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  SEINET10933496  Bromus berteroanus Louis C. Wheeler 1935-5-11 Wheeler 3486 Siskiyou Dry rocky brush south slope. Klemath River at Ash Creek. Siskiyou Mts. Comment
  CHSC60567  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 591 Siskiyou Siskiyou Mountains; at Poker Flat. Front edge of the upper part of the meadow. 1524 Comment
  CHSC61558  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 604 Siskiyou Siskiyou Mountains; at Poker Flat. Along the road on the north side of the meadow. 1524 Comment
  JEPS73754  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-2 814 Siskiyou near Yreka Comment
  JEPS74567  Bromus carinatus var. carinatus W. J. Ferlatte 1966-6-23 138 Siskiyou Trinity Alps, along the Yellow Rose Mine Trail Yellow Rose Mine Trail; Trinity Alps, Yellow Rose Mine Trail 1676 Comment
  UC618691  Bromus carinatus var. carinatus W. Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta, MacBride Spring MacBride Spring; Mount Shasta, MacBride Spring 1524 Comment
  CAS-BOT-BC148788  Bromus carinatus var. marginatus H. A. Thomas; J. H. Thomas 1954-7-21 4432 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1219 Comment
  CAS-BOT-BC148792  Bromus carinatus var. marginatus Elmer I. Applegate 1935-6-10 9480 Siskiyou South slope of Caldwell Butte. Lava Beds National Monument. Comment
  CAS-BOT-BC148796  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14930 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD59192  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-25 843 Siskiyou Near Yreka. Comment
  CAS-BOT-BC155981  Bromus diandrus Dorothy Parker 1949-6-16 91 Siskiyou Along the road at the edge of a field entrance to McConahue Gulch. Scott Valley. 853 Comment
  POM112543  Bromus hordeaceus Geo D. Butler 1910-5-20 1370 Siskiyou Damp land, Yreka Comment
  JEPS107375  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12030 Siskiyou Hill, south of a rock fence, about 100 yards northeast 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
  RSA239071  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Northeast of Crapo Ridge above Tom Taylor cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1265363  Bromus suksdorfii F. W. Oettinger 1969-9-2 1588 Siskiyou above Bear Meadow (near Tom Taylor Cabin, Salmon Mountains); Salmon Mountains 2026 Comment
  CAS-BOT-BC185602  Bromus tectorum R. E. Frenkel 1963-7-13 231 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River Railroad crossing near Mount Shasta. 1219 Comment
  HSC36781  Bromus tectorum J. P. Smith 1974-5-27 7625 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS73745  Bromus tectorum George D. Butler 1908-6-25 474 Siskiyou Butler's Ranch near Yreka Comment
  NY664637  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  NY664638  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188.7 Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  HSC91979  Calamagrostis breweri Jennifer Whipple 1977-8-5 2183 Siskiyou Slopes near Little Crater Lake 2195 Comment
  UC1265381  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou English Peak, N slope Western Siskiyou Co., Salmon Mountains, Marble Mountain Wild (Shasta Ridge) 2072 Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC520388  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  HSC22235  Calamagrostis koelerioides J. O. Sawyer 1968-9-9 664 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC22853  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1831 Siskiyou Above Sugar Lake 2134 Comment
  HSC65688  Calamagrostis stricta subsp. stricta Donald W. Miles 1979-7-23 23 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  CAS-BOT-BC112319  Calliscirpus criniger Peter H. Raven 1956-8-4 10383 Siskiyou Ridge S of Mt Eddy. 2286 Comment
  SEINET7584063 Image available Calliscirpus criniger John Thomas Howell 1937-7-24 13411 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1981 Comment
  UC1265403  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 b Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2072 Comment
  CAS-BOT-BC80330  Callitropsis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N. W. Siskiyou Co. 152 Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  HSC65345  Callitropsis nootkatensis Rich White 1978-7-18 257 Siskiyou Steep headwall at shoulder of NW ridge of Preston Peak 1905 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
  OBI7407  Calocedrus decurrens Bernard Smith 1965-10-2 s.n. Siskiyou McCloud River drainage. 1/2 mi N of McCloud near old CCC camp 1372 Comment
  UC1299340  Calochortus elegans Freed W. Hoffman 1950-7-13 3766 Siskiyou Baldy Lookout, w Siskiyou County Baldy Lookout Comment
  RSA37455  Calochortus elegans var. nanus Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains W of Yreka. Comment
  HSC581  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC493092  Calochortus nudus W. B. C. 1938-7-15 11219 Siskiyou Wagon camp 1706 Comment
  HSC49930  Calochortus persistens G. L. Clifton, Ground 1978-6-18 1270 Siskiyou Near Humbug close to the town of Yreka 1353 Comment
  JEPS80557  Calochortus tolmiei Gilbert Muth 1965-8-6 189 Siskiyou backside Black Mountain; Marble Mountain Wilderness Area 2072 Comment
  HSC29439  Caltha leptosepala Frederick W. Oettinger 1968-8-3 379 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Base Camp Meadow at mid-trail between Diamond and Hancock Lakes 2012 Comment
  CAS-BOT-BC273387  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan 1068 Comment
  UC165963  Calycadenia truncata Geo. D. Butler 1910-7-30 1801 Siskiyou near Comment
  HSC22850  Calyptridium monospermum J. O. Sawyer 1969-7-2 1000 Siskiyou E of Twin Lakes 2195 Comment
  HSC22851  Calyptridium monospermum J. O. Sawyer 1969-7-9 1269 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC2414  Calyptridium monospermum William J. Ferlatte 1966-8-5 337 Siskiyou Caribou Mtn. 2470 Comment
  JEPS80573  Calyptridium umbellatum Gilbert Muth 1965-8-3 155 Siskiyou Marble Valley, Marble Mountain Wilderness Area Marble Valley; , Marble Mountain Wilderness Area 1798 Comment
  UC528036  Calyptridium umbellatum Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  UC725361  Calyptridium umbellatum A. A. Heller 1940-7-25 15771 Siskiyou about Horse Camp (Mount Shasta); Mount Shasta 2438 Comment
  UCD77435  Calyptridium umbellatum Robert E. Preston 2001-6-23 1561 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  SBBG30597  Calystegia malacophylla subsp. malacophylla D. Myrick 1968-6-27 2033 Siskiyou Big Flat Public Camp, head of Coffee Crk, Trinity Alps 1524 Comment
  CAS-BOT-BC221263  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1912-8-30 2030 Siskiyou Mount Eddy Comment
  HSC27110  Calystegia occidentalis subsp. occidentalis Carl W. Mize 1972-6-8 26 Siskiyou Along main trail 335 Comment
  OBI55473  Camassia quamash David J. Keil, Kathleen Keil 1992-7-21 23533 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd 9hwy 3) Comment
  CAS-BOT-BC36991  Camelina microcarpa L. E. Smith 1913-6-12 351 Siskiyou Sisson. Comment
  CAS-BOT-BC36998  Camelina microcarpa Bellue 1933-7-1 s.n. Siskiyou Dunsmuir and Yreka. Comment
  CAS-BOT-BC160905  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3893 Siskiyou West side of Medicine Lake Comment
  CAS-BOT-BC160903  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17900 Siskiyou U. S. Highway 97, 14 miles south of Macdoel Comment
  CAS-BOT-BC160908  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3881 Siskiyou West end of Medicine Lake Comment
  SEINET10463103  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou Near Kelley Lake, on the Preston Peak quadrangle, close to the town of Happy Camp 1371 Comment
  SEINET10463177  Campanula prenanthoides Heckard 1969-7-25 HECKARD 2313 Siskiyou NR FALL CREEK INN ALONG GILMAN RD., BTWN SACRAMENTO & MCCLOUD ARMS OF SHASTA LAKE, 1300 Comment
  SEINET10972404  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou Shasta Retreat Comment
  HSC49931  Campanula scabrella Gilbert Muth 1978-8-1 6957 Siskiyou Near Cory Peak, close to the town of Callahan. 2195 Comment
  HSC91399  Campanula scabrella Jennifer Whipple 1976-7-7 1334 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  CAS-BOT-BC266447  Campanula scabrella C. G. Pringle 1882-9-3 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  SEINET10463570  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou STREAMSIDE, NR. COPPER BUTTE, SEIAD V. QUAD. NR SEIAD V. 1414 Comment
  UC890603  Campanula scouleri A. A. Heller 1915-7-18 12106 Siskiyou Metcalf's Ranch Mt. Eddy (ne slope of mountain) 1188 Comment
  HSC31121  Campanula scouleri J. O. Sawyer 1971-8-19 2452 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  SEINET10463468  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou SISSON, NR. MT. SHASTA Comment
  SEINET10463604  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou SISSON, MT. SHASTA Comment
  SEINET10463789  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou Near Sisson Comment
  SEINET10463794  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou Near Sisson 1067 Comment
  SEINET10463873  Campanula wilkinsiana A. Arthur Heller 1920-8-12 Heller 13518 Siskiyou WET SOIL AT SPRING ABOVE HORSE CAMP, MT SHASTA Comment
  UC618906  Cardamine breweri Reed Rollins 1938-7-15 11203 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  CAS-BOT-BC37744  Cardamine californica A. A. Heller 1921-7-7 13565 Siskiyou On Mount Eddy. 1828 Comment
  RSA237256  Cardamine californica var. integrifolia Frederick W. Oettinger 1967-7-26 184 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC28095  Cardamine pachystigma J. D. Ackerman, A. M. Montalvo 1973-5-20 60 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail to Bear Lake 1524 Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  RSA757863  Carex atherodes P. F. Zika 2009-8-16 24601 Siskiyou Forest Servic eRoad 46N04, about 1 air mile south of Juanita Lake. 1540 Comment
  POM79948  Carex athrostachya E. B. Copeland 1903-9-7 2151 Siskiyou Mt. Eddy. 2134 Comment
  JEPS63754  Carex barbarae W. L. Jepson Jul 1894 57 a Siskiyou Sisson Comment
  CAS-BOT-BC19662  Carex brainerdii J. Major 1961-7-14 646 Siskiyou Mount Shasta. Along Mud Creek. 1828 Comment
  CHSC102554  Carex breweri L. P. Janeway 2009-8-4 9900 Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  CAS-BOT-BC34382  Carex cusickii W. J. Ferlatte 1966-8-2 234 Siskiyou Trinity Alps. Big Flat Hillside. Between campground and South Fork of the Salmon River. 1524 Comment
  CAS-BOT-BC34943  Carex densa George Dexter Butler 1909-6-10 809 Siskiyou Along creek near Yreka. Comment
  HSC7059  Carex douglasii Robert C. Wunner 1965-8-21 462 Siskiyou Lava Beds National Monument, 1/4 mi. S of Caldwell Cinder Pit, near base of Caldwell Butte Comment
  HSC85830  Carex echinata subsp. echinata L. P. Janeway 1983-7-31 473 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  HSC89537  Carex exsiccata K. Berg, Stephanie Bennett 1986-8-25 652 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC82003  Carex gracilior Thomas W. Nelson, Jane P. Nelson 1979-6-16 4849 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  JEPS109250  Carex hassei D. W. Taylor 2005-9-28 19494 Siskiyou Scott Camp Creek Comment
  UC1584274  Carex hoodii Julia Kierstead Nelson 1990-5-8 90 -60 Siskiyou Lower Falls McCloud River 975 Comment
  UCD140450  Carex hoodii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CHSC86243  Carex inops subsp. inops Martin J. Lenz 2003-6-9 18 Siskiyou 0.3 mi. up 100R1 logging road from Tom Young Rd. approx. 1 mi. WNW of Pondosa. UTM: Zone 10 608838N 4562152N. 1255 Comment
  JEPS102966  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  CHSC40203  Carex jonesii L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat. 1524 Comment
  SEINET10713534  Carex lenticularis var. impressa Annetta M. Carter 1939-8-20 Carter 1461 Siskiyou Forming dense clumps; moist sandy lakeshore, Canadian Zone; northwest side of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains. 2027 Comment
  CAS-BOT-BC31436  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  SEINET3903104  Carex luzulina Wayne Rolle 1993-7-10 630 Siskiyou Poker Flat.; 0 1524 Comment
  CAS-BOT-BC31622  Carex luzulina var. luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  CAS-BOT-BC31838  Carex microptera William Bridge Cooke 1939-7-21 13732 Siskiyou In small bog around lower Wagon Camp Springs. 1737 Comment
  CAS-BOT-BC32050  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  HSC86630  Carex multicaulis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  HSC48022  Carex multicostata D. H. Norris 1972-6-12 22917 Siskiyou Along road to Jackson Lake, 3.5 mi. W of Callahan to Cecilville Hwy. Comment
  CHSC86681  Carex nebrascensis Jenny Marr 1993-7-1 63 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA237285  Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237290  Carex nigricans Frederick W. Oettinger 1968-8-2 359 Siskiyou East end of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC119480  Carex nudata Alice Eastwood 1923-5-27 11947 Siskiyou Shasta Springs. Comment
  SEINET4292080 Image available Carex pachycarpa Unknown 2006-1 8738 Siskiyou Klamath Ranges. Salmon Mountains; slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit Deadman Peak 7.5' quad. Comment
  SEINET8989727 Image available Carex pachystachya Unknown 2006-1 8728 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Deadman Peak 7.5' quad. 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
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  CAS-BOT-BC118774  Carex preslii John Thomas Howell 1937-7-25 13485 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1265433  Carex preslii Frederick W. Oettinger 1969-8-13 1357 Siskiyou on trail from Diamond Lake to Crapo View Gap Salmon Mountains, Marble Mountain Wilderness Area (the high lake basins in the vicinity of English Peak) 2438 Comment
  RSA0079917  Carex rossii D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19529 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud. Comment
  HSC85842  Carex rostrata L. P. Janeway 1983-7-24 452 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  RSA0089579  Carex scabriuscula Dean Wm. Taylor 2002-8-7 18296 Siskiyou Logging road below Tamarack Lake, East Fork Trinity River; seepage area ca. 300 m south of area shown on topographic maps as 4991T. 0.2 mi N of the creek crossing. 1546 Comment
  RSA238965  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  UC642543  Carex spectabilis J. W. Stacey 1939-7-26 13748 Siskiyou in west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA238925  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Slope southeast of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  RSA186337  Carex straminiformis Gilbert Muth 1966-10-16 26 Siskiyou Marble Mountains 1793 Comment
  HSC30551  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Marble Mtn. Wilderness Area, W shore of Abbotts Lake 1723 Comment
  CHSC82856  Carex whitneyi L. P. Janeway 2002-7-13 7635 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 road. 2067 Comment
  HSC91215  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-11 963 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC138771  Castilleja applegatei subsp. pinetorum Copeland 1903-8-14 3883 Siskiyou Sisson Comment
  RSA425927  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-8-25 9174 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  HSC61196  Castilleja arachnoidea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS79758  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou sw flank Mt. Shasta (above Horse Camp); sw flank of Mt. Shasta 2560 Comment
  UC1408871  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2194 Comment
  POM15507  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  RSA184650  Castilleja arachnoidea subsp. schizotricha Clare B. Hardham 1965-8-20 13042 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  CDA41245  Castilleja lacera G. D. Barbe, T. C. Fuller 1972-6-14 945 Siskiyou South of Oberlin Road, between Yreka and Montague. 0 Comment
  HSC61115  Castilleja miniata Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  JEPS80583  Castilleja miniata Gilbert Muth 1965-7-29 136 Siskiyou below Marble Rim; Marble Mt. Wilderness Area 2042 Comment
  UC163709  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  UC885340  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou near Wagnon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CAS-BOT-BC253622  Castilleja miniata L. R. Abrams 1926-7-4 11232 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  RSA237564  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou Southeast corner of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA43901  Castilleja miniata H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. Comment
  SBBG25941  Castilleja miniata subsp. miniata D. Myrick 1966-8-12 1544 Siskiyou Big Flat, Mountain Meadow Ranch; Trinity Alps 1676 Comment
  HSC45159  Castilleja pruinosa J. O. Sawyer, E. Cope 1977-6-19 2947 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  JEPS26523  Castilleja pruinosa Lauramay T. Dempster 1961-7-2 1860 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit) 1828 Comment
  SBBG40128  Castilleja pruinosa C. B. Hardham 1961-6-30 7997 Siskiyou White Mtn Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  HSC76870  Castilleja pruinosa K. T. Stillman 1976-9-9 468 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  JEPS60245  Castilleja pruinosa L. R. Heckard with R. Ornduff 1969-6-24 2310 Siskiyou just w road fork to Copco Lake (along Klamath River); Klamath River Comment
  POM282972  Ceanothus cordulatus Lyman Benson 1929-3-26 1071 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  RSA25623  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 miles E of McCloud on Hwy 89 1220 Comment
  RSA68925  Ceanothus cordulatus A. E. Culbertson 1943-7-12 32 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  RSA1354  Ceanothus cuneatus B. D. Stark 1929-7-25 594 Siskiyou 2 miles S of Yreka. 793 Comment
  CAS-BOT-BC63601  Ceanothus integerrimus Alice Eastwood; John Thomas Howell 1937-6-26 5050 Siskiyou Salmon Mts. near Taylor Creek. Comment
  HSC60307  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-14 3891 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  JEPS2518 Image available Ceanothus integerrimus Willis L. Jepson 1894-8-1 Siskiyou near Sisson; Shasta Springs Comment
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May 9 2008
  RSA399890  Ceanothus integerrimus E. E. Stanford 1930-6-15 1588 Siskiyou 1 mile north of Dunsmuir. Comment
  UC455336  Ceanothus integerrimus I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat Mt. Bradley Comment
  UC455340  Ceanothus integerrimus I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake) Comment
  CAS-BOT-BC51170  Ceanothus leucodermis C. G. Pringle August 13 s.n. Siskiyou unspecified 914 Comment
  CAS-BOT-BC63160  Ceanothus velutinus L. E. Smith 1913-7-1 s.n. Siskiyou Mt. Shasta. Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC52810  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  HSC69370  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-19 3672 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  HSC99816  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-27 6088 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  RSA190692  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou 3 roadside plants, W side of Hwy 97 to weed, 3 miles S of Macdoel, Butte Valley Comment
  CDA38734  Centaurea solstitialis Steve Orloff Sep 2011 SPK 471141 S1-D Siskiyou Collins Baldy, Mountains of the South Klamath River in the Klamath River area. 0 Comment
  UC1776773  Centaurea stoebe subsp. micranthos Steelman 1996-7-10 s.n. Siskiyou Mott Road exit from I-5, north of Dunsmuir Comment
  UCD130123  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  UC897714  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou 2 mi se Yreka (Mt. Diablo Mer.); Shasta Valley 853 Comment
  CAS-BOT-BC288802  Centromadia fitchii L. E. Smith 1913-6-25 405 Siskiyou Yreka Comment
  UC165423  Centromadia pungens subsp. pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  CAS-BOT-BC384969  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  UC1586856  Cerastium arvense Juha Pykala and D. H. Norris 1987-6-26 2006 Siskiyou n. of Sulphur Springs (between Doolittle Creek and Stanza Creek - eastern tributaries of Elk Creek); Klamath Nat'l Forest 1400 Comment
  HSC22478  Cerastium fontanum subsp. vulgare J. O. Sawyer 1969-7-16 1155 Siskiyou W of Lower Russian Lake along trail 2073 Comment
  UC165930  Cercocarpus betuloides var. macrourus Geo. D. Butler 1910-5-30 1435 Siskiyou Humbug Mountain 1066 Comment
  RSA749206  Cercocarpus ledifolius var. intermontanus K. M. Meyer, A. Townesmith 2007-8-2 183 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
  CAS-BOT-BC148511  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  CAS-BOT-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  CAS-BOT-BC276782  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Between Squaw Valley Creek and Mud Creek Canyon Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  HSC68409  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1413 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC618773  Chamaesaracha nana unknown 1938-6-17 11054 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  HSC377  Cheilanthes gracillima William J. Ferlatte 1967-6-30 601 Siskiyou Josephine Lake basin 1677 Comment
  UC71521  Cheilanthes gracillima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson; Mt Shasta Comment
  JEPS85081  Chenopodium W. B. and V. G. Cooke with Ted Graves 1988-8-29 64227 Siskiyou along Andesite Rd (Shasta NF FS-11) Mount Shasta, Shasta National Forest (n side of mt) 1463 Comment
  HSC4387  Chenopodium leptophyllum D. M. Thomson 1965-8-6 167 Siskiyou Lava Beds National Monument, S side of Cauldwell Butte Comment
  HSC4389  Chenopodium leptophyllum R. C. Wunner 1965-6-30 316 Siskiyou Lava Beds National Monument, at start of Symbol Bridge Trail. 1387 Comment
  HSC141  Chimaphila menziesii William J. Ferlatte 1966-8-3 270 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC29318  Chimaphila menziesii Frederick W. Oettinger 1968-8-7 432 Siskiyou Base Camp Meadow, midway down Diamond--Hancock Lake trail 2012 Comment
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC19324  Chimaphila umbellata J. O. Sawyer 1968-6-18 172 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC452284  Chimaphila umbellata Annie M. Alexander; Louise Kellogg 1948-9-8 5598 Siskiyou Siskiyou Mountains, East side, top of grade between Sawyers Bar and Etna 1737 Comment
  RSA245292  Chimaphila umbellata subsp. occidentalis Carl W. Mize 1972-6-22 87 Siskiyou Forks of Salmon quad. 1113 Comment
  RSA68953  Chimaphila umbellata subsp. occidentalis A. E. Culbertson 1943-7-17 5 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE. 1524 Comment
  RSA96940  Chimaphila umbellata subsp. occidentalis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20266 Siskiyou Castle Lake, Foresst service camp, s.w. of town of Mt. Shasta. 1250 Comment
  RSA697617  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  CAS-BOT-BC36241  Chrysolepis sempervirens W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte top of highest peak Comment
  CAS-BOT-BC36248  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13518 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC22114  Chrysolepis sempervirens J. O. Sawyer 1969-8-1 1669 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC618841  Chrysolepis sempervirens unknown 1938-7-22 11330 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC711898  Chrysolepis sempervirens Roxana S. Ferris and Laura Lorraine 1941-8-11 10508 Siskiyou about 7 mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  UC60955  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  CDA38293  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  UCD127278  Cicuta douglasii P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  HSC95469  Circaea alpina subsp. pacifica G. Fred Hrusa 1998-7-5 14698 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Comment
  CDA1029  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-D Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  UC1584312  Cirsium andersonii Julie Kierstead 1990-7-18 90 -107 Siskiyou w of Gumboot Lake (on FS Rd. 40N26, Mt. Shasta R.D.); Mt. Shasta 1950 Comment
  CAS-BOT-BC285347  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt., southern Siskiyou County 1524 Comment
  CDA1027  Cirsium andrewsii M. R. Pryor 1950-7-26 s.n.-B Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC32849  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  CAS-BOT-BC279881  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  JEPS109403  Cirsium occidentale var. candidissimum Dean W. Taylor 2004-7-20 19193 Siskiyou Mt. Shasta, slopes southwest of Squaw Valley Creek 1889 Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  SBBG18918  Cirsium occidentale var. candidissimum F. E. Clements 1918-1 Siskiyou 2 mi from Hornbrook Comment
  CAS-BOT-BC288770  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC26708  Cirsium remotifolium William J. Ferlatte 1971-9-18 1373 Siskiyou Big Flat near public campground 1524 Comment
  UCD130676  Cirsium remotifolium var. odontolepis A. H. Murphy 1956-8-16 56 AA Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  UCR93364  Clarkia concinna Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 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-BC172045  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott Valley Comment
  CAS-BOT-BC163461  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-18 45094 Siskiyou Horse Creek & Klamath River 502 Comment
  UC618770  Clarkia rhomboidea W. Bridge Cooke 1938-6-17 11047 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC909475  Clarkia rhomboidea J. H. Thomas 1949-6-16 948 Siskiyou 1/2 mi n Beaver Creek Public Camp (5 mi n of junction of Beaver Creek and Klamath River); Klamath National Forest Comment
  POM259226  Clarkia rhomboidea W. Bridge Cooke 1940-7-12 15339 Siskiyou Mount Shasta: Near MacBride Springs along the Memorial Highway. 1524 Comment
  SEINET10689277  Clarkia rhomboidea Edward L. Greene 1876-6-20 Greene 874 Siskiyou Collected near Yreka, California. Comment
  CAS-BOT-BC439103  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC439105  Claytonia cordifolia G. J. Muth 1969-8-12 1380 Siskiyou Second Valley Comment
  CAS-BOT-BC439108  Claytonia cordifolia K. T. Stillman 1976-6-25 72 B Siskiyou Marble Mountain Wilderness Area. 1798 Comment
  SFV1158  Claytonia exigua subsp. exigua J. R. Swanson 1961-3-27 670 Siskiyou 1 mile south of Fort Jones, west side of Scott Valley. Comment
  RSA0080497  Claytonia lanceolata P. A. Munz 1952-7-2 17896 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  HSC64413  Claytonia perfoliata J. P. Smith 1973-5-5 6411 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC439811  Claytonia perfoliata Elmer I. Applegate 1935-6-7 9390 Siskiyou Old Sheepherders' road, Lava Beds National Monument Comment
  CAS-BOT-BC443830  Claytonia rubra subsp. rubra Alice Eastwood; John Thomas Howell 1934-4-20 1745 Siskiyou Near Yreka on Ft. Jones road Comment
  UC164031  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  UC454256  Claytonia sibirica I. J. Condit 1911-7-31 Siskiyou Shasta Springs; along railroad Comment
  RSA96932  Clematis ligusticifolia Percy C. Everett, E. K. Balls 1954-10-12 20272 Siskiyou N of Walker along Beaver Creek, 3.8 miles S from Beaver Creek Forest Service camp Comment
  CAS-BOT-BC499972  Clintonia uniflora A. A. Heller 1919-6-20 13251 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC500955  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains 1805 Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  RSA184801  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains. 1806 Comment
  RSA145169  Collinsia grandiflora Dorothy Parker 1960-5-23 751 Siskiyou Salmon River between Finley Camp and Sawyers Bar, Comment
  RSA237562  Collinsia linearis Frederick W. Oettinger 1968-9-5 705 Siskiyou Near spring half way up trail from English Lake to Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  HSC69373  Collinsia parviflora J. O. Sawyer, J. Cole 1980-7-19 3677 Siskiyou Near FS Rd. 45N0 2018 Comment
  UC1213758  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou area along roadcut between Gazelle and Callahan Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  RSA412241  Collinsia torreyi Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  RSA724917  Collinsia torreyi var. latifolia L. P. Janeway 2006-7-3 8751 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  UC1409406  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou meadow s of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness 2026 Comment
  UC1299509  Collomia grandiflora Freed W. Hoffman 1948-7-7 2408 Siskiyou Callahan Comment
  HSC29284  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Little English Lake 1890 Comment
  RSA411147  Collomia grandiflora B. C. Templeton 1960-6-21 8532 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  SBBG36715  Collomia grandiflora D. H. Wilken with C. Donahue 1976-7-17 12709 Siskiyou 3.3 mi SE of Forks of Salmon along rd to Cecilville 396 Comment
  HSC45798  Collomia heterophylla J. P. Smith 1976-5-4 8657 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  UC1191642  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake Comment
  UC648287  Collomia tinctoria John Thomas Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail Marble Mts. Comment
  POM75193  Collomia tinctoria Geo D. Butler 1910-5-30 1424 Siskiyou Humbug Creek, Siskiyou County Comment
  CAS-BOT-BC180419  Comandra umbellata subsp. californica Alice Eastwood 1917-9-2 6646 Siskiyou Shasta Springs Comment
  UC163664  Comandra umbellata subsp. californica Geo. D. Butler 1909-6-22 1069 Siskiyou Goosnest Foothills Comment
  HSC23624  Corallorhiza maculata J. O. Sawyer 1970-7-3 2314 Siskiyou Plot 321 1402 Comment
  CHSC110173  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte Trail. (Study site 25). 1353 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
  UCD123170  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 junction, about 3/4 mile uphill of road 40N43. 1509 Comment
  SD129738  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction dried vernal meadow W of road 1372 Comment
  JEPS77480  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4974 Siskiyou s Edgewood (road above Stewart Springs, on Deadfall Meadow-Mt. Eddy Rd.) 1371 Comment
  HSC60674  Cornus canadensis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  UC166603  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC212062  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  CAS-BOT-BC212066  Cornus nuttallii Wm. Bridge Cooke 1939-8-4 13804 Siskiyou Along the Sisson Southern Trail, Mount Shasta 1371 Comment
  CDA9701  Cornus nuttallii D. G. Kelch 2007-7-25 7 .501 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  POM78081  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  HSC19269  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 488 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  SFV5169  Cornus sericea subsp. sericea B. C. Templeton 1960-6-21 8557 Siskiyou Klamath Mountains 2 miles below the summit of Scott Mountain. 1430 Comment
  UC165420  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  HSC36742  Corylus cornuta subsp. californica Brent Whitely 1975-7-5 144 Siskiyou 213 Comment
  CDA25823  Crataegus douglasii G. D. Barbe 1984-6-8 4167 Siskiyou Confluence of Kidder Creek with Scott River, 0.7 mile north of Highway 3 on Lighthill Road south of Fort Jones. 0 Comment
  UC1408881  Crepis acuminata F. W. Oettinger 1969-8-6 1263 b Siskiyou nne Toms Lake (near gap between Toms and Hancock Lake basins, in English Peak area); Salmon Mountains 2164 Comment
  RSA238881  Crepis acuminata Frederick W. Oettinger 1967-7-26 197 Siskiyou Northeastern end of Crapo Peak ridge. Salmon Mountains: High lake basins in the vicinity of English Peak, Marble Mountains wilderness area; ca 2195 Comment
  UC581299  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1885 Siskiyou flat about 2 mi s Yreka 810 Comment
  UC581315  Crepis occidentalis subsp. costata E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1934 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  HSC36780  Crepis occidentalis subsp. pumila J. P. Smith 1974-5-25 7409 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC290842  Crepis occidentalis subsp. pumila Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  CAS-BOT-BC290880  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  POM147907  Crepis pleurocarpa J. B. Feudge 1927-7-24 1803 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  SEINET11840723  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou about the head waters of Sacramento River 2438 Comment
  HSC65134  Croton setiger J. P. Smith, Steve Selva 1970-7-17 4416 Siskiyou Along Klamath River. Comment
  HSC44642  Crypsis schoenoides K. T. Stillman 1976-8-24 431 Siskiyou Along the Klamath River at Williams Point 366 Comment
  JEPS105334  Cryptantha ambigua Dean W. Taylor 1995-6-4 14964 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC726047  Cryptantha intermedia A. A. Heller 1938-7-12 15250 a Siskiyou 5 mi n Weed (along U.S. Highway 97) 1066 Comment
  UC857144  Cryptantha intermedia Milo S. Baker 1936-6-12 8285 Siskiyou about 42 mi n Weed (Highway 97) Comment
  HSC33977  Cryptantha muricata var. jonesii J. P. Smith 1974-5-25 7441 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC1473428  Cryptantha subretusa Gilbert Jerome Muth 1978-8-3 7501 Siskiyou near Houston Creek (close to town of Callahan); China Mt. Quad. 2346 Comment
  CHSC75685  Cryptantha torreyana Vernon H. Oswald; Lowell Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  SEINET3152345  Cryptantha torreyana G. D. Butler 1910-5-8 310 Siskiyou Dry Land near Yreka Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC19422  Cryptogramma acrostichoides J. O. Sawyer 1968-9-9 666 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  SBBG81349  Cryptogramma acrostichoides R. N. Philbrick 1976-7-2 Siskiyou just above S side of Sugar Lake 1981 Comment
  CAS-BOT-BC80545  Cupressus bakeri Oliver V. Matthews 1939-7-19 39 Siskiyou North-easterly Grove, [Goose Nest] Goosenest Region 1828 Comment
  CAS-BOT-BC80561  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava [beds] Beds, s.e. Siskiyou Co. 1036 Comment
  RSA142696  Cupressus bakeri Al Hobart 1961-7-13 4 Siskiyou Mt. Preston 2134 Comment
  RSA352345  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  RSA0008966  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6169 Siskiyou Above west fork Seiad Creek, 3/4 mile above forks of creek. Siskiyou Mountains [ridge between the west and east forks of Seiad Creek, south slope hillside] 1159 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
  JEPS24621  Cupressus lawsoniana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6774 Siskiyou on river bank directly opposite Mossbrae Falls (between Shasta Retreat and Shasta Springs); Sacramento River 731 Comment
  RSA38304  Cycladenia humilis H. D. Ripley, R. Barneby 1948-7-6 s.n. Siskiyou Black Butte 1220 Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  JEPS104992  Cyperus squarrosus Dean W. Taylor 1996-7-27 15866 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  JEPS52317  Cypripedium fasciculatum Wayne Roderick 1963-6-12 Siskiyou about 15 road mi n Seiad Valley (n slope on ridge to e of pass); Siskiyou Mountains, Cook and Green Pass 1524 Comment
  HSC103854  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-20 2767 Siskiyou 2 mi. east of Callahan at Hwy. 3 bridge over the East Fork Scott River. 988 Comment
  UCSB15125  Cystopteris fragilis 1962-6-11 Siskiyou About 20 miles west of Fort James; Marble Mountains 914 Comment
  CAS-BOT-BC189807  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  HSC19074  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-5 1753 Siskiyou W of Little Duck Lake 2073 Comment
  HSC25463  Danthonia unispicata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5659 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC96297  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  RSA239121  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CHSC30181  Darlingtonia californica M. S. Taylor 1980-7-8 3102 Siskiyou On nw side of Castle Lake, along edge of lake, in ... Field redacted by CHSC, contact the data manager for more information 1615 Comment
  HSC38594  Darlingtonia californica J. P. Smith, J. O. Sawyer 1972-9-12 5768 Siskiyou Scott Mtn., E of Big Carmen Lake. 1677 Comment
  UC1185279  Darlingtonia californica H. E. Brown June 1-10 1897 389 Siskiyou near Sisson 1083 Comment
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Nov 6 2019
  UCD119059  Darlingtonia californica Collector unknown Date unknown s.n. Siskiyou Mt. Shasta. Comment
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Nov 6 2019
  UC455366  Darmera peltata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CHSC1457  Delphinium M. Yoder 1941-7-19 Siskiyou Castle Lake. 1981 Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 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
  HSC28666  Delphinium depauperatum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  CAS-BOT-BC116174  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC44952  Delphinium nuttallianum J. O. Sawyer 1978-6-16 3217 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  HSC61773  Delphinium nuttallianum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1409278  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou base of cliff se Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC54272  Delphinium nuttallianum H. M. Hall and E. B. Babcock June 1903 4124 Siskiyou near head of McCloud River (se Siskiyou Co.); Sierra Nevada Mountains 1524 Comment
  RSA78823  Delphinium nuttallianum P. A. Munz 1952-7-2 17902 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  UCD96160  Delphinium nuttallianum Sandy Holloway 1963-5-19 58 Siskiyou 1 mile east of Humbug Creek. 853 Comment
  RSA273076  Delphinium trolliifolium Alice Eastwood, John T. Howell 1937-6-26 5036 Siskiyou Salmon Mts, 10 miles SW of Etna. Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  UCD63530  Deschampsia elongata Beecher Crampton 1956-8-21 3812 Siskiyou Headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City, around Gumboot Lake. 1920 Comment
  JEPS80519  Descurainia incana Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountain Wilderness Area; meadow above horse pasture 1804 Comment
  POM369568  Descurainia incana subsp. viscosa M. B. Dunkle 1944-7-7 9081 Siskiyou Deer Creek 1768 Comment
  CAS-BOT-BC43085  Descurainia longipedicellata Roxana S. Ferris; Laura Lorraine 1948-6-12 11829 Siskiyou Gazelle Mountain grade, Gazelle-Callahan Road. 1499 Comment
  CAS-BOT-BC43135  Descurainia pinnata subsp. brachycarpa Lincoln Constance; Reed Clark Rollins 1942-5-14 2932 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UC673281  Descurainia pinnata subsp. halictorum Lincoln Constance and Reed C. Rollins 1942-5-14 2932 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  CAS-BOT-BC43524  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Banks of east fork of Scott River, at Callahan Ranger Station, Callahan. 975 Comment
  JEPS84039  Dicentra formosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6303 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC455332  Dicentra formosa I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (tollroad) Comment
  HSC635  Dicentra pauciflora William J. Ferlatte 1967-6-29 574 Siskiyou Yellow Rose Mine 1982 Comment
  UCD150605  Dicentra pauciflora Rolf Y. Berg 1964-7-3 8204 Siskiyou Soapstone Trail, in Castle Crags area. Comment
  HSC41069  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-3-4 2075 Siskiyou N of Idlewild Campground 762 Comment
  UC1409326  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou just above Willow Springs (on trail between Abbott's Cabin and English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1691 Comment
  CAS-BOT-BC502187  Dichelostemma ida-maia Clarence R. Quick 1958-6-17 58 -18 Siskiyou Occasional on brushy slope near Black Bear SUmmit south of Sawyer's Bar, on ridge road to Cecilville 1356 Comment
  POM109856  Dichelostemma ida-maia Geo D. Butler 1909-7-15 s.n. Siskiyou Russian Creek. 1829 Comment
  JEPS40709  Dieteria canescens var. shastensis W. L. Jepson 1940-7-1 20082 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  HSC5468  Dimeresia howellii R. C. Wunner 1965-6-15 194 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  CAS-BOT-BC153649  Diplacus jepsonii Elmer I. Applegate 1923-8-19 3887 Siskiyou Medicine Lake Comment
  JEPS8800  Dipsacus fullonum W. L. Kleaver 1915-5-31 1 Siskiyou Yreka Comment
  CHSC30092  Disporum hookeri M. S. Taylor; J. Prouty 1980-6-26 2985 Siskiyou On e side of Grizzley Peak Rd (39N06.3), ca. 6 mi due s of Algoma campground and Hwy 89. 1554 Comment
  HSC32293  Dodecatheon jeffreyi J. O. Sawyer 1971-6-29 2395 Siskiyou Elk Hole 1524 Comment
  HSC29234  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: on 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  JEPS108483  Downingia pulcherrima Lisa Schultheis 1999-6-6 580 -99 Siskiyou Outside of Weed. Trrailer Lane, just W of ramp to I-5 S. Comment
  RSA516617  Downingia yina R. C. Bacigalupi, Lincoln Constance, M. Hiroe 1956-6-9 5696 Siskiyou Along U.S. Hwy 99, 1.5 mile N of Weed, Shasta Valley. 976 Comment
  HSC44783  Draba aureola S. Horner 1977-7-19 209 Siskiyou Siskiyou-Trinity county line Comment
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Jul 7 2020
  CAS-BOT-BC41843  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  RSA237275  Draba howellii Frederick W. Oettinger 1968-8-24 630 Siskiyou above Tom s Lake and just below Crapo Peak. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA0006623  Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1677 Comment
  CAS-BOT-BC41411  Draba verna L. E. Smith 1915-3-15 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  CAS-BOT-BC159439  Drymocallis glandulosa var. glandulosa David D. Keck 1938-8-6 4809 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  HSC58950  Drymocallis lactea var. lactea Marvin Butler 1979-7-8 66 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC67838  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3787 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC76741  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area. Comment
  HSC90741  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-17 1034 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  CAS-BOT-BC158423  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8716 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  UC1409282  Drymocallis rhomboidea Frederick W. Oettinger 1968-8-15 526 Siskiyou e side Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC158425  Drymocallis rhomboidea Elmer I. Applegate 1935-6-6 9357 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC158428  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi. S. of Macdoel, on U.S. 97 between Dorris and Weed 1465 Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  CAS-BOT-BC113419  Eleocharis bella Alice Eastwood 1921-7-25 10849 Siskiyou Bigelows, McCloud River. Comment
  UC839227  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek Siskiyou Mountains 1036 Comment
  CAS-BOT-BC112013  Eleocharis suksdorfiana William Bridge Cooke 1940-7-5 15270 Siskiyou Common in the sedge swamp at Wagon Camp, Mount Shasta Comment
  CAS-BOT-BC227918  Elymus elymoides Geo. D. Butler 1910-7-3 1932 Siskiyou Goosenest foothills 1219 Comment
  SEINET4135472  Elymus elymoides subsp. brevifolius Jennifer J. Whipple 1976-7-8 1339 Siskiyou North slopes of Mount Eddy.; 0 2438 Comment
  HSC10945  Elymus elymoides var. elymoides D. M. Thomson 1965-6-12 79 Siskiyou Lava Beds National Monument, Hovey Point, along N boundary Comment
  HSC22477  Elymus elymoides var. elymoides J. O. Sawyer 1969-8-1 1688 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76951  Elymus elymoides var. elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  RSA239023  Elymus glaucus Frederick W. Oettinger 1968-9-2 666 Siskiyou Southwest of Upper English Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 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
  HSC68563  Elymus multisetus Maralyn A. Renner 1980-6-8 827 Siskiyou Slopes N of Moffett Creek 945 Comment
  CAS-BOT-BC165905  Epilobium Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo Summit, Trinity Mts. 1889 Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC49652  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-17 4443 Siskiyou 915 Comment
  UC873155  Epilobium densiflorum A. A. Heller 1916-7-20 12478 Siskiyou ne base of mt. Mt. Eddy, Metcalf's Ranch 1188 Comment
  RSA790243  Epilobium glaberrimum subsp. fastigiatum Rebecca Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2165 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
  HSC32273  Epilobium hallianum J. O. Sawyer 1969-8-5 1742 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC165944  Epilobium hallianum Thomas W. Nelson; Jane P. Nelson 1980-7-19 6202 Siskiyou Along Forest Service road 40N17 ca. 1 mile from junction with Callahan-Cecilville road 1584 Comment
  UCD80892  Epilobium hallianum Robert E. Preston 2001-7-21 1720 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  RSA183681  Epilobium latifolium Gilbert Muth 1965-8-12 210 Siskiyou 2/3 up meadow on back of Black Mountain, Marble Mountains 2134 Comment
  HSC33998  Epilobium minutum J. P. Smith 1974-5-25 7486 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC60820  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS84342  Epilobium minutum L. R. Heckard with J. Hickman et al. 1986-7-17 6461 Siskiyou trail up Kangaroo Peak s Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  UC164471  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek Comment
  UC726396  Epilobium minutum A. A. Heller 1919-6-25 13263 Siskiyou Compton's Prairie Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  UC609370  Epilobium siskiyouense Eleanor Burks Hart 1938-8-20 910 Siskiyou below Red Cap (top of ridge) 2407 Comment
  UC909314  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou East Fork of Scott River Plowman's Valley; , Plowman's Valley 1188 Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC69702  Eremogone congesta Maralyn A. Renner 1980-6-26 1264 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  HSC29469  Eremogone congesta var. congesta Frederick W. Oettinger 1969-9-3 1621 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo ridge by trail crossing 2134 Comment
  CHSC99710  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-22 9450 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; top of slope overlooking Little Castle Lake from the southwest; 0.6 air km southwest of Little Castle Lake. 1896 Comment
  UCD77353  Eremogone kingii var. glabrescens Robert E. Preston 2001-6-23 1596 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2042 Comment
  CAS-BOT-BC286703  Ericameria bloomeri L. E. Smith 1913-7-24 488 Siskiyou McCloud Comment
  CAS-BOT-BC286705  Ericameria bloomeri Doris K. Kildale 1928-8-20 6614 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  CAS-BOT-BC286708  Ericameria bloomeri L. R. Abrams 1922-8-7 9915 Siskiyou One mile south of Weed Comment
  HSC67821  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3772 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  JEPS94097  Ericameria bloomeri Vernon H. Oswald and Lowell Ahart 1998-9-8 9608 Siskiyou ca. 2 air mi. n.w. Indian Spring Mt. (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 6 air mi. w. of Mosquito Lake & Whitehorse Flat Reservoir) 1127 Comment
  LA203672  Ericameria bloomeri Wm. Bridge Cooke; 1939-8-8 13842 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC166600  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  HSC29099  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou High Lake Basins near English Peak, Marble Mtn. Wilderness Area; at Gap, English Peak 2134 Comment
  JEPS97193  Ericameria greenei Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95033 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UCR80264  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Siskiyou Mtns, Trapper Creek. 1860 Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  CAS-BOT-BC294301  Ericameria nauseosa var. speciosa A. A. Heller 1920-8-13 13524 Siskiyou Near Upton Comment
  CAS-BOT-BC299473  Ericameria nauseosa var. speciosa Gilbert J. Muth 1966-8-7 503 Siskiyou Lookout trail along ridge, Marble Mts. 2057 Comment
  UCD131603  Erigeron aliceae J. M. Tucker 1974-7-28 4323 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  SJSU6079  Erigeron aliceae R. W. Trivelpiece 1971-8-22 74 Siskiyou upper Tompkins Creek on west side Scott River about 6 miles SW of Scott Bar, Marble Mts 1524 Comment
  HSC49946  Erigeron bloomeri var. bloomeri G. L. Clifton 1979-8-5 12717 Siskiyou Near Twin Valley Creek close to town of Happy Camp 1592 Comment
  CAS-BOT-BC297111  Erigeron compositus W. R. Dudley 1899-8-26 s.n. Siskiyou Mt. Eddy Comment
  CHSC86671  Erigeron divergens Jenny Marr 1993-7-1 54 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD77643  Erigeron eatonii var. plantagineus Robert E. Preston 2002-6-20 1833 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  HSC19464  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-5 1741 Siskiyou W of Little Duck Lake 2073 Comment
  UCD77640  Erigeron glacialis var. glacialis Robert E. Preston 2001-7-21 1725 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  OBI55471  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  JEPS41427  Erigeron inornatus var. inornatus Duncan Dunning 1921-7-16 Siskiyou nw of Hambone; Mt. Shasta, Toad Mountain Comment
  UC60966  Erigeron inornatus var. inornatus Geo. B. Grant 1902-9-3 5173 Siskiyou Mount Shasta, Sisson Comment
  CAS-BOT-BC295459  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  POM35918  Erigeron petrophilus var. viscidulus Geo. D. Butler 1910-7-9 1786 Siskiyou Shackleford Creek 1372 Comment
  HSC60051  Eriodictyon californicum M. A. Baker 1977-6-6 364 Siskiyou S of Happy Camp along Hwy. 96 Comment
  SBBG115567  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou Eaton-Duck Lakes trailhead, Russian Wilderness 1524 Comment
  CAS-BOT-BC255434  Eriogonum alpinum Peter H. Raven 1956-9-4 10405 Siskiyou South side of Mt. Eddy 2682 Comment
  JEPS83816  Eriogonum alpinum L. R. Heckard 1967-8-13 1687 Siskiyou Mt. Eddy; near summit 2712 Comment
  CDA22485  Eriogonum compositum F. D. Horn 1977-5-12 Siskiyou Highway 263, Shasta River Canyon, Yreka. 0 Comment
  UC163877  Eriogonum compositum var. compositum Geo. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC637153  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou summit of road from Happy Camp to Waldo (Oregon); Klamath National Forest, Indian Creek watershed 1615 Comment
  RSA0004986  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  SD62051  Eriogonum elatum var. elatum Darley F. Howe 1965-8-8 4124 Siskiyou South side Little Gray Back, Klamath Netional Forest 1524 Comment
  HSC49942  Eriogonum hirtellum G. L. Clifton 1979-8-5 12500 Siskiyou Near Twin Valley 1646 Comment
  CHSC1325  Eriogonum lobbii A. Anderson 1962-9-15 Siskiyou Salmon Summit. 2164 Comment
  HSC49420  Eriogonum marifolium J. O. Sawyer 1968-7-23 583 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC86628  Eriogonum marifolium D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1829 Comment
  POM165485  Eriogonum marifolium George B. Grant 1902-9-7 5091 Siskiyou Mt. Shasta 2439 Comment
  SBBG1445  Eriogonum marifolium H. and M. Dearing 1948-9-12 6429 Siskiyou Mt Shasta 2316 Comment
  SBBG21293  Eriogonum marifolium D. Myrick 1964-7-25 958 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  SD23787  Eriogonum marifolium Wm. Bridge Cooke 1938-9-8 11614 Siskiyou Mt. Shasts, glacial meadow 2438 Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  CAS-BOT-BC263180  Eriogonum marifolium var. cupulatum Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mount Shasta. Horse Camp Flats Comment
  HSC66395  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3770 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC268694  Eriogonum microthecum var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  UC1032176  Eriogonum microthecum var. laxiflorum M. H. Mitchell 1936-5-9 12 Siskiyou se slope of Schonchin Butte Modoc Lava Beds Natl. Monument, Dorris Quadrangle, Schonchin Comment
  CAS-BOT-BC94474  Eriogonum nudum R. C. Wenk 2005-7-19 342 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC43064  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-27 4519 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC75192  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 380 Siskiyou Marble Mtn. Wilderness Area 2195 Comment
  RSA495516  Eriogonum nudum var. nudum Elaine Joyal, D. Mehlman 1988-6-25 1279 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  SEINET10924428 Image available Eriogonum nudum var. oblongifolium Edward L. Greene 1876-7-8 Greene 923 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC272484  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou Near Yreka Comment
  CAS-BOT-BC272487  Eriogonum nudum var. pubiflorum Carl B. Wolf 1927-8-26 1024 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UCD77662  Eriogonum nudum var. pubiflorum Robert E. Preston 2001-6-23 1566 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC258743  Eriogonum ovalifolium var. ovalifolium A. A. Heller 1938-7-13 15272 Siskiyou About a mile south of Bray 1402 Comment
  UCD100863  Eriogonum pyrolifolium var. pyrolifolium Jack Major 1961-7-14 650 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  JEPS108710  Eriogonum siskiyouense Thomas W. Nelson and Jane P. Nelson 1980-7-20 6154 Siskiyou Along Forest Service road 40N08, Carmen Lake Rd., ca .6 mi from junction witht State Route 3. 1645 Comment
  RSA120778  Eriogonum siskiyouense G. D. Barbe 1955-7-28 316 Siskiyou NW of Scott Mountain 1738 Comment
  UC1324597  Eriogonum spergulinum var. reddingianum W. B. and V. G. Cooke 1966-7-17 37249 Siskiyou vicinity Inconstance Creek (meadow openings along Military Pass Road); Mt. Shasta 1828 Comment
  RSA601669  Eriogonum sphaerocephalum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka. 808 Comment
  CAS-BOT-BC262763  Eriogonum strictum var. anserinum Geo. D. Butler 1910-5-27 1417 Siskiyou Yreka hills Comment
  CAS-BOT-BC262765  Eriogonum strictum var. anserinum Wayne Roderick 1967-7-28 s.n. Siskiyou West side of Scott Valley, half way between Etna and Fort Jones 914 Comment
  JEPS57226  Eriogonum strictum var. greenei L. R. Heckard 1967-8-13 1714 Siskiyou near summit; Mt. Eddy 2712 Comment
  UC164080  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Yreka Comment
  CAS-BOT-BC263444  Eriogonum ternatum Geo. D. Butler 1908-8-5 204 Siskiyou Summit above Cold Spring Wooly Creek Comment
  UC1483469  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2431 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  RSA423129  Eriogonum ternatum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC267929  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  HSC60823  Eriogonum umbellatum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69393  Eriogonum umbellatum Maralyn A. Renner 1980-9-9 2761 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  CAS-BOT-BC267931  Eriogonum umbellatum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC267993  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-21 13169 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC267998  Eriogonum umbellatum var. argus Doris K. Kildale 1928-7-2 5359 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  NY323619  Eriogonum umbellatum var. argus J. L. Reveal 1975-8-15 3955 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 2042.2 Comment
  CAS-BOT-BC267995  Eriogonum umbellatum var. argus Gordon H. True 1966-9-9 3293 Siskiyou 20 miles south east of Obrien on Happy Camp Road 1524 Comment
  JEPS56218  Eriogonum umbellatum var. dumosum W. L. Jepson 1940-6-23 19995 Siskiyou e Mayten (east side, Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC268153  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CAS-BOT-BC268155  Eriogonum umbellatum var. humistratum John Thomas Howell 1939-8-8 15169 Siskiyou Black Mt., Marble Mts. Comment
  HSC24103  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-8-2 1713 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  JEPS84206  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6496 Siskiyou ca 14.5 mi Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.; near Dry Lake); Oak Knoll Ranger Station road 2000 Comment
  HSC17354  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 187 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  UC1540140  Eriogonum umbellatum var. nevadense Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9265 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  SD23789  Eriogonum umbellatum var. polyanthum Wm. Bridge Cooke 1938-8-24 11581 Siskiyou Mt. Shasta 2133 Comment
  HSC96736  Eriogonum ursinum var. erubescens James L. Reveal, Julie Knorr 2002-8-5 8371 Siskiyou Scott Bar Mtns., N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest 1675 Comment
  NY803664  Eriogonum ursinum var. erubescens J. L. Reveal 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  SEINET10680303 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 Reveal 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest, on metasedimentary (chert) soils associated with Ericameria nauseosa var. speciosa (and scattered Pseudotsuga menziesii). T.45N, R8W, secs 6 SE 1/4 of SW 1/4 and 7 NW1/4. 1675 Comment
  SEINET4856202  Eriogonum ursinum var. erubescens Unknown 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  HSC19531  Eriophorum crinigerum J. O. Sawyer 1969-8-4 1874 Siskiyou S of S Sugar Lake 2104 Comment
  HSC71184  Eriophyllum lanatum M. A. Baker 1980-6-20 2195 Siskiyou Near Bald Mtn. 1036 Comment
  POM358071  Eriophyllum lanatum Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC301111  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1934-4-20 34229 Siskiyou Shasta River, NE. of Yreka Comment
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  CAS-BOT-BC301106  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou W. base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC301448  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-22 12438 Siskiyou Near Black Butte north of Sisson 1097 Comment
  CHSC91365  Eriophyllum lanatum var. grandiflorum Lowell Ahart; John Dittes 2005-6-10 12090 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS116615  Eriophyllum lanatum var. integrifolium Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -011 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N73 Mt. Shasta (Hotlum Fire area burned Feb 2006 ca. 4 mi NE of town of Weed.) 1090 Comment
  UC1190273  Eriophyllum lanatum var. integrifolium Ira L. Wiggins 1955-7-29 13585 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  HSC58871  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-8-31 332 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  HSC58873  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-7-21 187 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  HSC76891  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-7-7 157 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SJSU6503  Eriophyllum lanatum var. lanceolatum R. W. Trivelpiece 1972-6-18 125 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 807 Comment
  CAS-BOT-BC54576  Erysimum capitatum L. E. Smith 1914-5-21 701 Siskiyou Yreka. Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  CDA33622  Erysimum capitatum R. A. Price 2010-7-3 1655 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  RSA238403  Erysimum capitatum var. perenne Frederick W. Oettinger 1968-8-17 564 Siskiyou Bear Meadows, Pine Lake Basin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  HSC195  Erysimum perenne William J. Ferlatte 1966-7-7 214 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC19561  Erysimum perenne J. O. Sawyer 1969-7-18 1156 Siskiyou E of Waterdog Lake 2012 Comment
  CAS-BOT-BC505231  Erythronium grandiflorum D E Breedlove 1962-6-10 3292 Siskiyou Large meadow at Poker Flat, 3 miles west of Indian Creek Road, about 20 miles northwest of Happy Camp 1524 Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  CAS-BOT-BC516179  Eucephalus breweri Dana York; Jim Shevock 2011-9-8 3079 Siskiyou Marble Mountain Wilderness: Klamath National Forest, along Kelsey Creek Trail, ca 290 m E of Paradise Lake 1900 Comment
  SD126059  Eucephalus breweri Steve Morgan 1987-7-28 Siskiyou Shasta-Trinity National Forest. McGinnis Springs, 5 miles north of McCloud, south of Mt. Shasta Comment
  UC1409464  Eucephalus glabratus Frederick W. Oettinger 1968-8-16 548 Siskiyou Hancock Lake, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1935 Comment
  UC896392  Eucephalus glabratus A. A. Heller 1915-8-26 12242 Siskiyou n side Mt. Eddy 1767 Comment
  CAS-BOT-BC310480  Eucephalus tomentellus Alice Eastwood 1912-8-30 1984 Siskiyou Mount Eddy Comment
  UC1190257  Euonymus occidentalis var. occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch Comment
  HSC41525  Euphorbia marginata Linda M. Barker 1976-9-6 1698 Siskiyou Scott Valley, in flood plain near the dredge. 945 Comment
  UC1034614  Euphorbia palmeri Douglas Barbe 1955-6-29 10 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
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Mar 8 2012
  UC166590  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  JEPS31913  Eurybia radulina Geo. D. Butler 1908-7-22 293 Siskiyou roadside w of Forest House Mountain Comment
  JEPS81789  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n Scott Mountain road summit; just below and n of Scott Mountain road summit 1615 Comment
  CAS-BOT-BC278727  Festuca idahoensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC103047  Festuca idahoensis J. P. Smith 2014-6-7 13905 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  RSA47658  Festuca idahoensis Roxana S. Ferris, Laura Lorraine 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  RSA582088  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  HSC43047  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2774 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UCD66263  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  HSC30499  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  UC1108537  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou 3.5 mi above South Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  UC154512  Fragaria vesca Harley P. Chandler Jun 1901 1558 Siskiyou near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  CAS-BOT-BC60017  Frangula purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N. Fork Salmon River at Finley Camp. Comment
  HSC99921  Frangula purshiana subsp. purshiana J. O. Sawyer, & R. J. Cole 2010-6-26 4608 Siskiyou Along Beaver Creek Road, Klamath National Forest. 1011 Comment
  HSC25481  Frangula rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC55720  Frangula rubra subsp. obtusissima John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53558 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  SEINET8584493  Frasera albicaulis var. nitida L. C. Wheeler 1934-6-21 2742 Siskiyou Siskiyou Mountains, West Fork Cottonwood Creek. 1372 Comment
  CAS-BOT-BC223578  Fraxinus latifolia Lewis S. Rose 1945-6-18 45073 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC36746  Fraxinus latifolia Brent Whitely 1975-6-22 25 Siskiyou 220 Comment
  HSC39326  Fritillaria atropurpurea J. P. Smith 1974-5-26 7378 Siskiyou Along FS Rd. 47N03 1524 Comment
  UCD77732  Fritillaria atropurpurea Robert E. Preston 2002-6-20 1862 Siskiyou Klamath National Forest, Rainbow Mountain. 1910 Comment
  CAS-BOT-BC502841  Fritillaria atropurpurea Elmer I. Applegate 1895-5-29 714 Siskiyou West base of Mount Shasta, near Sisson Comment
  LA97840  Fritillaria atropurpurea J. M. Tucker; L. K. Mann 1963-7-7 3721 Siskiyou Paradise Lake, Marble Mountain Wilderness Area, ca. 0.25 mi. down the trail (N of) from the lake at the base of Kings Castle on the E side 1981 Comment
  RSA256590  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along Forest Service road 47N03, 1.4 mile northeast of Chandler Glade 1768 Comment
  UC1001152  Fritillaria pudica Dorothy Parker 1949-4-4 212 Siskiyou Siskiyou Mountains, e side of Scott Valley, near Hartsval Gulch Scott Valley; Siskiyou Mountains, Scott Valley 859 Comment
  CAS-BOT-BC504466  Fritillaria recurva Elmer I. Applegate 1895-5-28 713 Siskiyou Sisson, Strawberry Valley, Mt. Shasta region Comment
  UC28171  Galium aparine T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC61793  Galium bifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS6508  Galium bifolium W. L. Jepson 1937-7-30 18553 Siskiyou Poker Flat Indian Creek 1584 Comment
  CHSC32939  Galium bolanderi J. P. Smith; Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River. 1127 Comment
  HSC43048  Galium bolanderi J. O. Sawyer, Ken Stillman 1976-7-1 2771 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC72354  Galium bolanderi J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8972 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS26667  Galium bolanderi Lauramay T. Dempster 1961-7-3 1876 Siskiyou se Callahan (w face of mt.); Scott Mtn. Comment
  UC416643  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou Hearst Castle Comment
  SBBG18851  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-7-3 8073 Siskiyou Scott Mtns, S of Calahan Comment
  CAS-BOT-BC210238  Galium grayanum var. grayanum Dana York 2011-8-12 3039 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  JEPS105027  Galium grayanum var. grayanum Dean W. Taylor 1996-7-7 15811 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  UCD121822  Galium muricatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Callahan on Cecilville Road. 975 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
  HSC35796  Galium triflorum J. O. Sawyer 1968-7-10 469 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC99812  Galium triflorum C. B. Wolf 1927-8-26 1065 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  UC1971397  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC182226  Garrya fremontii Doris K. Kildale 1928-8-19 6528 Siskiyou trail from English Lake to Hancock Lake - trail to Marble [?] Mt. Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC182276  Garrya fremontii John Thomas Howell 1937-7-23 13346 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC75719  Garrya fremontii Vernon H. Oswald; Lowell Ahart 1999-7-5 9802 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn. 1158 Comment
  LA40344  Garrya fremontii Louis C. Wheeler; 1934-6-22 2764 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  POM78080  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. Comment
  UC876009  Garrya fremontii unknown 1941-6-11 16031 Siskiyou along Castle Lake Road Comment
  UCR219535  Garrya fremontii R. F. Thorne 1969-8-2 63348 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak, trail to upper English Lake along Salmon River 1159 Comment
  RSA96943  Garrya fremontii Percy C. Everett, E. K. Balls 1954-10-10 20263 Siskiyou Road from town of Mt. Shasta to Castle Lake, one mile south of turn off to Ney Springs. 1159 Comment
  UCD117428  Gaultheria humifusa Dean William Taylor 1972-7-3 1613 Siskiyou Near Little Duck Lake. 1981 Comment
  CHSC1133  Gayophytum heterozygum V. Holt 1932-7-15 Siskiyou S.S. Campus, Mt. Shasta City. 1097 Comment
  SBBG30545  Gayophytum humile D. Myrick 1968-6-28 2051 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA237805  Gayophytum humile Frederick W. Oettinger 1969-8-5 1189 Siskiyou Trail from English Lake to Abbott s. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  RSA600334  Gayophytum humile Louis C. Wheeler 1935-7-24 3691 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  UC123657  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou near bank McCloud R. Comment
  HSC29222  Gentiana calycosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Marble Mtn. Wilderness Area, SE side of Wire Grass Meadow and bordering on English Lake outlet brook. 1677 Comment
  UC1608325  Gentiana newberryi var. newberryi J. Kierstead 1990-8-9 90 130 A Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyone end of Forest Service rd 40N42); Shasta-Trinity National Forests, Shasta Ranger Dist. 1828 Comment
  RSA238871  Gentiana plurisetosa Frederick W. Oettinger 1967-8-5 242 Siskiyou North of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  UC35204  Geranium carolinianum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC77007  Geranium richardsonii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  POM91453  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  HSC61790  Gilia capitata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  LA88501  Gilia capitata O. H. Kappler; 1948-7-16 1801 Siskiyou Siskyou Mountains, on rd to Happy Camp 701 Comment
  UCSB10071  Gilia capitata subsp. capitata Hardham, Clare 1965-8-1 Siskiyou Cudahy Lakes; Marble Mountains 1219 Comment
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  JEPS84094  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6378 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  HSC92565  Glyceria striata Jennifer Whipple 1978-10-6 2425 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SDSU1119  Glyceria striata D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., in pool of water. 1524 Comment
  HSC2268  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  UC134940  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon Pacific Coast, Klamathon Comment
  UC1409288  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou se side Hancock Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1950 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
  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
  HSC63982  Hackelia micrantha J. P. Smith, Steve Selva 1970-6-15 3967 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC61917  Hackelia micrantha Ruby Van Deventer 1937-7-24 Siskiyou Poker Flat 1585 Comment
  UC1222246  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou near Oregon-California State Line (on the Takilma-Happy Camp Road); Takilma-Happy Camp Road Comment
  UC166573  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  RSA184797  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou Ridge, near lookout, Marble Mountains. 2043 Comment
  CDA6183  Hazardia whitneyi var. discoidea T. C. Fuller, Don Shaw 1974-9-24 20032 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  CAS-BOT-BC306365  Helenium autumnale Edward Lee 1934-8-12 1051 Siskiyou Near mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC306735  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  CAS-BOT-BC306747  Helenium bigelovii John Thomas Howell 1937-7-23 13344 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC69055  Helenium bigelovii Maralyn A. Renner 1980-8-6 2313 Siskiyou Cracker Meadow 1555 Comment
  UC1282032  Helenium bigelovii Louise Kellogg Aug 8 1953-Aug 9 1953 122 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  UC1408925  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Tobacco Lake trail Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC306733  Helenium bigelovii Doris K. Kildale 1929-8-25 9028 Siskiyou White's Meadow, trail to Preston Peak 1371 Comment
  JEPS24819  Helenium bigelovii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6835 Siskiyou just below and n Scott Mtn. road summit 1615 Comment
  RSA183489  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  CAS-BOT-BC305470  Helianthus annuus W. B. Cooke; V. G. Cooke 1974-8-20 49243 Siskiyou Memorial Highway, Mt. Shasta Comment
  UC195378  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou treeless plains near Yreka Comment
  CAS-BOT-BC313447  Hemizonella minima Elmer I. Applegate 1935-6-8 9418 Siskiyou Bear Paw Caves, Lava Beds National Monument Comment
  CAS-BOT-BC314952  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  SD90460  Hesperolinon micranthum Robert F. Thorne, Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  JEPS78486  Heterocodon rariflorum W. L. Jepson 1940-7-3 20116 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  POM59065  Heterocodon rariflorum E. B. Copeland 1903-9-6 3847 Siskiyou Igerna. 1159 Comment
  JEPS81941  Heterotheca villosa var. minor Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7982 Siskiyou about 7 1/2 mi ne Weed (along US Hwy 97) 1127 Comment
  CAS-BOT-BC312303  Heterotheca villosa var. minor G. Muth 1966-7-25 453 Siskiyou Marble Valley Comment
  HSC39810  Heuchera merriamii J. O. Sawyer 1969-8-4 1873 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  UC1190182  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  HSC101874  Heuchera micrantha R. D. Whittlesey 2013-8-3 15 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  HSC26104  Heuchera micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5675 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC64836  Heuchera micrantha J. P. Smith, Steve Selva 1970-6-14 3880 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  JEPS83828  Heuchera micrantha var. erubescens Wayne Roderick July 1978 Siskiyou vicinity Cook and Green Pass; Siskiyou Mts 1463 Comment
  HSC58951  Heuchera rubescens Gilbert Muth 1975-7-31 4649 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  UC637125  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou watershed of West Branch of Indian Creek, Happy camp to Waldo (Oregon) road Klamath National Forest 1463 Comment
  HSC60907  Hieracium albiflorum Al Hobart Siskiyou Black Butte Comment
  HSC76732  Hieracium albiflorum K. T. Stillman 1976-8-7 390 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  CHSC69070  Hieracium greenei Vernon Oswald; Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  UC642532  Hieracium greenei W. Bridge Cooke 1939-8-25 13919 Siskiyou above MacBride Springs; Mount Shasta 1676 Comment
  UC1299259  Hieracium greenei Freed W. Hoffman 1948-7-12 2492 Siskiyou between Cinnabar Springs and Bear Creek; Beaver Creek 914 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  JEPS82132  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC618673  Hieracium nudicaule unknown 1938-7-29 11407 Siskiyou below Wagon Camp; Mount Shasta 1676 Comment
  CAS-BOT-BC316037  Hieracium scouleri Volney Rattan 1879-6-1 s.n. Siskiyou Unspecified Comment
  UC1313023  Hieracium triste J. M. Tucker and L. K. Mann 1963-8-19 3783 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1920 Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  HSC45194  Holodiscus discolor J. O. Sawyer, E. Cope 1977-6-21 2989 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  JEPS45038  Holodiscus discolor Geo. D. Butler 1908-7-19 494 Siskiyou Humbug Comment
  RSA297038  Holodiscus discolor John F. Emmel 1974-7-19 515 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  UCSB40246  Holodiscus discolor var. microphyllus McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  CAS-BOT-BC150141  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  RSA273401  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow. 2012 Comment
  CDA6217  Hordeum marinum subsp. gussoneanum L. Ahart, J. Dittes 2005-6-9 12000 Siskiyou 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. Comment
  JEPS107284  Hordeum marinum subsp. gussoneanum Lowell Ahart, John Dittes 2005-6-9 12000 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC143943  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  CAS-BOT-BC143945  Horkelia daucifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11709 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC143962  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1791 Siskiyou 4 miles n. of Weed Comment
  CAS-BOT-BC143966  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53442 Siskiyou 7 miles east of Callahan on road to Gazelle 1173 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  RSA611292  Horkelia daucifolia Louis C. Wheeler 1935-5-26 3528 Siskiyou Siskiyou Mts. 854 Comment
  UC398680  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou near Gazelle (Shasta Valley); Shasta Valley Comment
  UC726315  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley Comment
  UC163747  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou 1219 Comment
  UCSB12365  Horkelia daucifolia Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scotts Bar Comment
  CHSC70479  Horkelia fusca subsp. parviflora A. Sanger 1996-7-16 2425 Siskiyou 200 yds N of road to Burnt Lava Flow, on Rd 56. On E side of road. 1804 Comment
  JEPS74530  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-6-22 69 Siskiyou near public camp; Big Flat 1524 Comment
  SEINET515837  Horkelia fusca subsp. parviflora Vernon Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1905 Comment
  UCSB63906  Horkelia fusca var. parviflora Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31 1463 Comment
  UCR38388  Horkelia tridentata G. F. Pratt, G. R. Ballmer 1985-6-20 s.n. Siskiyou Castle Lake, c. 6 air mi west of Dunsmuir, Trinity Mtns 1646 Comment
  CAS-BOT-BC538241  Horkelia tridentata var. flavescens Roxana S. Ferris; Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan Comment
  UCD106083  Hosackia crassifolia R. Tofsrud; J. M. Tucker 1948-8-2 1754 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  LA47886  Hosackia crassifolia var. crassifolia Wm. Bridge Cooke; 1940-7-26 15360 Siskiyou Mount Shasta, around the Black Butte Spring 1219 Comment
  HSC61503  Hosackia oblongifolia var. oblongifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  LA203776  Hulsea nana Wm. Bridge Cooke; 1939-7-26 13769 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  POM54129  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mount Shasta 3201 Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC22100  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1969-8-4 1927 Siskiyou South Sugar Creek 2043 Comment
  HSC69572  Hydrophyllum occidentale Maralyn A. Renner 1980-8-6 2265 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC99201  Hydrophyllum occidentale G. L. Clifton 1979-7-1 6180 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  RSA238849  Hydrophyllum occidentale Frederick W. Oettinger 1969-8-19 1442 Siskiyou Due northwest of saddle in ridge between English Peak and David Mountain. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1936 Comment
  SD46777  Hymenoxys lemmonii E. K. Balls, L. W. Lenz 1956-6-18 21723 Siskiyou 5.7 miles southeast of Gazelle, U. S. Highway 99, Yreka to Dunsmiur. 885 Comment
  HSC41039  Hypericum anagalloides J. O. Sawyer 1969-8-4 1911 Siskiyou N of High Lake 2043 Comment
  CAS-BOT-BC401286  Hypericum perforatum W. B. Cooke; V. G. Cooke 1962-8-19 33549 Siskiyou Near Memorial Highway, Mt. Shasta Comment
  SEINET3157535  Hypericum scouleri G. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  JEPS20040  Idahoa scapigera George D. Butler 1909-2 571 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  UC725319  Idahoa scapigera A. A. Heller 1929-5-4 Siskiyou near Edgewood Comment
  CAS-BOT-BC206832  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along the Memorial Highway, Mount Shasta. 1524 Comment
  UC1576732 Image available Iliamna bakeri Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9244 Siskiyou About 100 m s Lava Tank (extreme northeastern portion of County, Hambone Island region. 1219 Comment
  UC23327  Ipomopsis aggregata unknown 1862-9-13 1368 Siskiyou near Mt. Shasta Upper Sacramento Comment
  RSA463113  Ipomopsis aggregata S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  UC23329  Ipomopsis aggregata C. B. Bradley 1879-1 Siskiyou Siskiyou Comment
  RSA237941  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1968-8-17 551 Siskiyou On Pine Lake Trail. Salmon Mtns. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCR37902  Ipomopsis congesta K. T. Stillman 1976-8-9 219 Siskiyou Marble Moutian Wilderness area 2134 Comment
  UC1540153  Ipomopsis congesta subsp. palmifrons Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9252 Siskiyou Caldwell Butte Lava Beds National Monument (on crater floor at n interior) 1499 Comment
  RSA181799  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -26 Siskiyou Callahan, ca. 2 miles east in creek bottom Comment
  RSA181800  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -27 Siskiyou Gazelle, 14 miles east in the drainage of the Scott River 1707 Comment
  SDSU11760  Iris missouriensis D. F. Howe 1972-7-8 4883 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  SEINET3875941  Iris tenuissima Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 694 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  RSA136359  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21805 Siskiyou 1.4 mile west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1220 Comment
  CAS-BOT-BC88667  Isatis tinctoria Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. Comment
  CHSC96007  Isatis tinctoria L. P. Janeway 2006-7-3 8777 Siskiyou Klamath Ranges. Salmon Mountains; along the main road across steep slope north above upper Carter Meadows. 1847 Comment
  CDA3764  Isatis tinctoria T. C. Fuller, W. T. Parsons 1960-7-25 4870 Siskiyou 2 miles northwest of Ft. Jones, Scott Valley. 0 Comment
  CAS-BOT-BC57772  Isoetes Clare B. Hardham 1965-8-20 13022 Siskiyou Cudahy Lakes, Marble Lakes. Comment
  CAS-BOT-BC57677  Isoetes bolanderi John Thomas Howell 1939-8-9 15194 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC28732  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1822 Comment
  HSC101884  Isoetes occidentalis Dana York 2011-9-9 3096 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC28736  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou Marble Mtn. Wilderness Area, on the NW side of Pine Lake 1921 Comment
  RSA237979  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou NW side of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  UC1116794  Isoetes occidentalis Robert G. Wetzel 1961-9-13 Siskiyou Castle Lake Comment
  UC185649  Ivesia gordonii Dr. E. B. Copeland 1903-8-18 3900 Siskiyou Mt. Eddy 2743 Comment
  CAS-BOT-BC110023  Juncus Morris Halperin 1930-5-17 s.n. Siskiyou Schumacher Gulch, near Montague. Comment
  CAS-BOT-BC110025  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  HSC78394  Juncus balticus subsp. ater L. P. Janeway 1983-9-11 675 Siskiyou Poker Flat 1524 Comment
  HSC30719  Juncus confusus Frederick W. Oettinger 1968-9-10 812 Siskiyou Vicinity of English peak Marble Mtns., just SW above Horse Range Lake 1845 Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  HSC77133  Juncus effusus subsp. pacificus L. P. Janeway 1983-9-23 694 Siskiyou Along edge of FS Rd. 18N33, 6 mi. from the Grayback Rd. 1433 Comment
  UC1748283  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou about 3.5 mi NE of McCloud District Ranger Station, McCloud ( at Mud Creek Meadows, along Road 42N13 (Pilgrim Creek Road)) 1097 Comment
  HSC77130  Juncus exiguus L. P. Janeway 1983-9-23 695 Siskiyou Along edge of FS Rd. 18N33, 6 mi. from the Grayback Rd. 1433 Comment
  CAS-BOT-BC127620  Juncus mertensianus H. A. Thomas; J. H. Thomas 1954-7-24 4518 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  CHSC38989  Juncus nevadensis J. D. Jokerst 1983-7-5 1825 Siskiyou Atkins meadow along east margin. Ca 15 air miles east of McCloud. Comment
  UCD141624  Juncus nevadensis Jack Major 1961-7-14 641 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  SBBG27960  Juncus occidentalis L. C. Wheeler 1934-8-17 3185 Siskiyou N side of White Mtn, Siskiyou Mtns 1828 Comment
  JEPS67056  Juncus orthophyllus Geo. D. Butler 1909-6-22 872 Siskiyou Goosenest foothills Goosenest Comment
  HSC22103  Juncus parryi J. O. Sawyer 1969-8-4 1852 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  JEPS40885  Juncus parryi Paul C. Hutchison 1962-8-2 934 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2621 Comment
  RSA233666  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38981 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2378 Comment
  UC637098  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou e end Seiad Valley (Walker Creek canyon, a tributary of Klamath River); Klamath River, Walker Creek 609 Comment
  HSC30628  Juncus xiphioides Frederick W. Oettinger 1969-8-12 1335 Siskiyou Marble Mtns. Wilderness Area, near the Cedars on Salmon River (N Fork) 915 Comment
  SBBG33704  Juniperus communis W. M. Plumb 1969-9-23 Siskiyou China Mtn above Caldwell Lakes 2438 Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  CHSC109716  Juniperus occidentalis Copeland 1903-7-4 3545 Siskiyou Klamatha. Comment
  SEINET11056490  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2345 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey Station. 677 Comment
  CAS-BOT-BC56351  Kalmia microphylla subsp. microphylla G. J. Muth 1969-8-11 1367 Siskiyou Near Second Valley Lake 2194 Comment
  RSA760543  Kalmia polifolia R. F. Thorne, Frederick W. Oettinger 1969-8-4 63367 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  POM210970  Kalmia polifolia subsp. microphylla L. C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek. 2011 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
  UC1034063  Keckiella lemmonii unknown 1941-8-28 16228 Siskiyou above McCloud (bluff above big Squaw Valley Creek Spring); Mt. Shasta Comment
  UCSB23746  Keckiella lemmonii Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  JEPS12472  Kelloggia galioides Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Upper Sacramento Region Comment
  JEPS12484  Kelloggia galioides Duncan Dunning 1921-7-18 Siskiyou 5-6 mi w Medicine Lake (extreme e Siskiyou County); Pumice Stone Mountain Comment
  JEPS82321  Kelloggia galioides Roger Raiche 1982-7-8 20589 A Siskiyou above Lily Pad Lake (Cook and Green Pass); above Lily Pad Lake, Cook and Green Pass 1828 Comment
  JEPS82429  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou n side Black Mt.; Marble Mountain Wilderness Area 1981 Comment
  POM68801  Kelloggia galioides Geo. D. Butler 1910-7-9 1707 Siskiyou Shackleford Creek. 1220 Comment
  SBBG7335  Kelloggia galioides H. and M. Dearing 1938-6-27 2177 Siskiyou 5 mi E of McCloud, (Fowler Public Camp) Comment
  SEINET10703681  Kelloggia galioides Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  JEPS94847  Kochia scoparia Vernon H. Oswald and Lowell Ahart 1998-9-16 9634 Siskiyou Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97) 1243 Comment
  RSA0107897  Kopsiopsis strobilacea Thomas H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground, north of Happy Camp on Indian Creek Road. 1219 Comment
  CAS-BOT-BC340366  Kyhosia bolanderi T. S. Brandegee 1887-6-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC340612  Lactuca serriola Lewis S. Rose 1926-7-29 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC341699  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  POM361466  Lagophylla ramosissima L. C. Wheeler 1934-6-2 2608 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  HSC68343  Lathyrus delnorticus Maralyn A. Renner 1980-7-4 1425 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC61918  Lathyrus nevadensis var. nevadensis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC162610  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1629 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  RSA78674  Lathyrus polyphyllus P. A. Munz 1952-7-1 17867 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  HSC61500  Lathyrus tracyi Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  CAS-BOT-BC274357  Leersia oryzoides Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  JEPS96803  Lepidium densiflorum var. macrocarpum Dean W. Taylor 1999-8-12 17302 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CDA5625  Lepidium perfoliatum L. Ahart, J. Dittes 2005-6-9 11998 Siskiyou 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. Comment
  HSC41630  Lepidium perfoliatum Barbara Kelly 1977-5-21 432 Siskiyou Parking lot at Callahan, next to grocery store Comment
  UC637078  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou near Hamburg (between McKinney and Parkhouse Creeks, s bank of Klamath River); Klamath River 609 Comment
  HSC6830  Lepidium virginicum D. M. Thomson 1965-7-10 124 Siskiyou California Lava Beds National Monument, by Information Center, next to parking lot Comment
  RSA238567  Leptosiphon nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou Open meadow in Red Fir woods, Hamilton Camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1402 Comment
  CAS-BOT-BC341890  Lessingia nemaclada Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC341901  Lessingia nemaclada W. R. Dudley 1899-8-23 s.n. Siskiyou Near Callahan's Comment
  POM256458  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  CAS-BOT-BC508377  Leucocrinum montanum W. B. Cooke; V. G. Cooke 1979-6-1 s.n. Siskiyou South end of Shasta Valley, north of US-97 1143 Comment
  HSC4874  Leucothoe davisiae J. O. Sawyer 1968-6-18 209 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  SEINET3107004  Leucothoe davisiae Steve Selva, Roger Jensen 1974-8-16 15 Siskiyou West end of Sugar Lake. Comment
  RSA12625  Lewisia cotyledon Anonymous 1934-7-5 5960 Siskiyou 3.6 mile from Dry Lake lookout on raod to Horse Creek, Siskiyou Mts. 1982 Comment
  CAS-BOT-BC444049  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  JEPS74489  Lewisia cotyledon var. heckneri W. J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  CAS-BOT-BC444583  Lewisia triphylla John Thomas Howell 1937-7-24 13407 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  POM257761  Lewisia triphylla C. L. Hitchcock 1939-7-9 5337 Siskiyou Paradise Lake, near Kings Castle. 1768 Comment
  UCD64247  Leymus cinereus Geo. D. Butler 1908-6-25 483 Siskiyou Near Yreka. Comment
  RSA105444  Leymus condensatus Milo S. Baker 1955-6-27 13087 Siskiyou Klamath Mountains; Highway 99 4 mi. S of Gazelle 915 Comment
  UC197482  Leymus triticoides Geo. D. Butler 1910-6-25 1603 Siskiyou Yreka Comment
  UCD65621  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou Along creek near Yreka. Comment
  CAS-BOT-BC436533  Ligusticum apiifolium Alice Eastwood 1912-7-23 1322 Siskiyou Dunsmuir Comment
  CAS-BOT-BC436535  Ligusticum californicum John Thomas Howell 1939-8-2 14888 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC58925  Ligusticum californicum Butler 1971-8-27 203 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  UC1409812  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mt. Wilderness Area, Haypress Meadows 1463 Comment
  HSC29247  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  UC1190146  Lilium pardalinum Ira L. Wiggins 1955-7-21 13425 Siskiyou 7 mi above Cecilville on South Fork Salmon River (near Mt. View Ranch); South Fork Salmon River 975 Comment
  CAS-BOT-BC130824  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  SEINET8370192  Lilium pardalinum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch, northeast base of Eddy in moist soil in the forest. 1189 Comment
  HSC66400  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow 1646 Comment
  CAS-BOT-BC133022  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC133026  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Green Pass 1676 Comment
  CHSC2297  Lilium washingtonianum subsp. washingtonianum V. Holt 1932-7-3 Siskiyou Near Mt. Shasta City. 1097 Comment
  UC1334271  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer and Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 mi ne Mount Shasta (town) 1402 Comment
  CAS-BOT-BC123093  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  JEPS58259  Linanthus bolanderi Geo. D. Butler 1909-4-27 611 Siskiyou Oro Fino Comment
  UC796734  Linanthus bolanderi Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11758 Siskiyou w of Callahan (French Creek logging road) 1066 Comment
  SEINET12279054  Linanthus ciliatus H. P. Chandler 1901-1 1671 Siskiyou Marble Mountain 2438 Comment
  UC1409304  Linanthus harknessii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1294 Siskiyou near English Lake (Sundew bog, vicinity of English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC1222727  Linanthus harknessii Joseph P. Tracy 1951-6-16 19476 Siskiyou near Oregon-California State line (Summit of the Siskiyous at the crossing of Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  UCD118736  Linanthus pungens P. Quentin Tomich 1954-6-29 437 Siskiyou Schonchin Well, Lava Beds National Monument. 1356 Comment
  RSA215603  Linanthus pungens subsp. hookeri Gilbert Muth 1969-8-6 1186 Siskiyou Boulder Peak. 2530 Comment
  HSC4864  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 519 Siskiyou S side of Sugar Creek. 1616 Comment
  CHSC4736  Linum lewisii var. lewisii R. Carter 1966-5-15 412 Siskiyou 5.3 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd., growing on E side of road on serpentine slope above road in open area. Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  CAS-BOT-BC36528  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-6-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  CAS-BOT-BC432319  Lithophragma campanulatum Alice Eastwood 1923-5-22 11886 Siskiyou Sisson Comment
  CAS-BOT-BC435474  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley 786 Comment
  HSC61906  Lithophragma heterophyllum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC35065  Lithophragma heterophyllum J. P. Smith 1974-5-25 7646 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CHSC31062  Lithospermum californicum M. S. Taylor 1980-7-8 3088 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou. 1036 Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  POM265895  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  UC1299480  Lithospermum californicum Freed W. Hoffman 1950-7-11 3759 Siskiyou 12.1 mi Klamath River (at n end of road); Ceder Creek Road Comment
  CDA40611  Lithospermum ruderale Vernon H. Oswald & Lowell Ahart 1998-6-11 9176 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
  UCD66312  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS89920  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9015 Siskiyou Upper Modoc Plateau, Egg lake 1298 Comment
  SEINET8589441  Lomatium dissectum G. D. Butler 1910-5-7 1303 Siskiyou Near Yreka Comment
  HSC18971  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-6-28 6148 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC36166  Lomatium macrocarpum J. P. Smith 1974-5-27 7609 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC76724  Lomatium macrocarpum K. T. Stillman 1976-8-7 382 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  SEINET13944547 Image available Lomatium macrocarpum Clarence R. Quick 1959-1 59 -12 Siskiyou 3 mi S of Four Corners on ridge SE of Seiad Valley Comment
  HSC68484  Lomatium triternatum Maralyn A. Renner 1980-6-22 879 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC1565567  Lomatium vaginatum W. J. Ferlatte 1989-5-16 2125 Siskiyou intersection of York & Malloy rds. 813 Comment
  POM67575  Lonicera ciliosa Geo. D. Butler 1910-8-1 1808 Siskiyou Yreka Creek. Comment
  JEPS13679  Lonicera conjugialis W. L. Jepson 1907-7-6 2858 Siskiyou Cudahay Trail to Klamath River (from Marble Mt.); Marble Mt., Klamath River Comment
  SEINET3106104  Lonicera conjugialis Steve Selva, Roger Jensen 1974-8-16 13 Siskiyou North shore of Sugar Lake. Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  CHSC51217  Lonicera interrupta L. P. Janeway 1984-6-21 857 Siskiyou South side of Klamath River just E of Humbug Point; Garvey Bar. 594 Comment
  POM27063  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  POM27604  Lotus douglasii Geo. D. Butler 1909-5-23 777 Siskiyou Near Yreka Comment
  UC60886  Lotus oblongifolius var. oblongifolius W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  JEPS75373  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek 1676 Comment
  UC1023843  Lotus purshianus var. purshianus Douglas Barbe 1955-6-28 25 Siskiyou 1.8 mi n Callahan; Klamath Mountains 1005 Comment
  UC454612  Lotus stipularis I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  HSC4895  Luetkea pectinata J. O. Sawyer 1968-7-22 551 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1409366  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou se corner Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UC922372  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-29 5895 Siskiyou near Hidden Lake (above Sky High Lake); Marble Mountains, Sky High Valley 1859 Comment
  UCD113635  Luetkea pectinata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  LA205031  Lupinus albicaulis Wm. Bridge Cooke; 1938-8-12 11464 Siskiyou Mount Shasta, along the Wagon Camp-Horse Camp Trail 1828 Comment
  UCD105875  Lupinus albicaulis W. A. Williams 1957-7-23 57 S Siskiyou Siskiyou-Trinity County line. Deadfall Creek Shasta National Forest (e. of Mt. Eddy). 2011 Comment
  SEINET10931722  Lupinus albicaulis subsp. shastensis Charles Piper Smith 1947-5-13 Smith 47277 Siskiyou 2.2 miles e of weed Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 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
  RSA3846  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou On the banks of the Sacramento, a short distance above Shasta Springs. Comment
  UC82285  Lupinus albifrons var. collinus Dr. E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  HSC65687  Lupinus albifrons var. flumineus J. P. Smith 1974-5-26 7390 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  SEINET5766850 Image available Lupinus albifrons var. flumineus D. B. Dunn, B. J. Cox 1971-1 17937 Siskiyou 9 mi N of Weed, US 97 at Whitney Creek 1250 Comment
  HSC32764  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Salmon Mountains: High Lake Basins, Crapo View Gap, English Peak. 2134 Comment
  SD61048  Lupinus argenteus Darley F. Howe 1964-8-5 3936 Siskiyou 3 miles south of Dorris on Hwy 97 1219 Comment
  RSA178639  Lupinus argenteus var. argenteus A. A. Heller 1928-6-9 14607 Siskiyou Near the creamery at Montague. Comment
  CAS-BOT-BC215170  Lupinus croceus R. C. Barneby 1954-5-17 11533 Siskiyou 5 miles above Callahan, Scott Mountains 1249 Comment
  JEPS93902  Lupinus croceus var. croceus Vernon H. Oswald and Lowell Ahart 1998-8-3 9434 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SD106943  Lupinus croceus var. croceus M. L. Conrad, LeDoux, Kenney 1973-6-2 6981 Siskiyou 6 miles SW of Callahan 1524 Comment
  RSA300986  Lupinus croceus var. pilosellus M. L. Conrad 1973-6-2 6988 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan 2073 Comment
  SD106936  Lupinus croceus var. pilosellus M. L. Conrad, D. B. Dunn, P. Kenney 1973-6-2 6988 Siskiyou 17.4 miles NE of Cecilville Store on the road to Callahan 2073 Comment
  CAS-BOT-BC26622  Lupinus klamathensis Alice Eastwood; John Thomas Howell 1934-4-20 1775 Siskiyou Junction of Klamath and Shasta Rivers 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
  CAS-BOT-BC202057  Lupinus lapidicola Marck Menke 1999-7-9 65 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  HSC61902  Lupinus latifolius Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SEINET10489289  Lupinus latifolius subsp. viridifolius Joseph W. Congdon 1900-8-9 Congdon s.n. Siskiyou Near sisson. Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC1332444  Lupinus lepidus var. sellulus Ralph K. Gierisch 1968-8-6 3366 Siskiyou Elk Flat; Shasta-Trinity National Forest, Elk Flat 1310 Comment
  HSC41182  Lupinus leucophyllus John Rehling 1976-5-29 406 Siskiyou Near Etna in Scott Valley. Comment
  UC83100  Lupinus luteolus Katharine Brandegee July 1887 Siskiyou Hornbrook Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  SEINET11071976 Image available Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  JEPS83248  Lupinus microcarpus var. microcarpus W. L. Jepson 1940-6-23 19982 Siskiyou ca 2 mi e Montague; e <of> Montague 822 Comment
  RSA104328  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou A short distance below Horse Camp, Mt. Shasta. Comment
  RSA32811  Lupinus obtusilobus A. A. Heller 15765 Siskiyou About Horse Camp, Mt. Shasta. 2439 Comment
  SEINET10737372  Lupinus obtusilobus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 872 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC60976  Lupinus obtusilobus Geo. B. Grant Sept. 1902 5090 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  RSA0064517  Lupinus onustus Daisie Huang 2006-8-4 06080406 Siskiyou Castle Lake Road. 1326 Comment
  RSA109355  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  UC922392  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1949-7-20 5821 Siskiyou Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  CHSC930  Lupinus polyphyllus var. pallidipes K. Jaekel 1939-7-7 Siskiyou Mt. Shasta. 1219 Comment
  POM23553  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek Comment
  POM24915  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Quartz Valley Comment
  SEINET10490239  Lupinus sellulus subsp. ursinus Smith 1978-7-2 Smith 9971 Siskiyou Seiad valley quadrangle. Klamath national forest. Ridge trail to the e of Cook and green pass. Montane chaparral. Sections 8 and 9. 1341 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  SD46405  Lupinus sellulus var. ursinus E. K. Balls, L. W. Lenz 1956-6-18 21799 Siskiyou 7.5 miles southeast of Weed, U. S. Highway 99. 1219 Comment
  CAS-BOT-BC436602  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  JEPS25623  Luzula comosa var. laxa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7257 Siskiyou Poker Flat 1536 Comment
  HSC22088  Luzula divaricata J. O. Sawyer 1968-7-9 428 Siskiyou W of Little Duck Lake 1936 Comment
  HSC22265  Luzula divaricata J. O. Sawyer 1969-7-10 1298 Siskiyou Slope above S Sugar Lake 2287 Comment
  HSC59902  Luzula parviflora D. L. Goforth 1979-7-19 254 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin N of upper lake 2134 Comment
  POM215860  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  RSA758591  Luzula parviflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63402 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, to Hancock Lake & Tobacco Lake via Diamond Lake 1936 Comment
  HSC96556  Luzula subcongesta Gordon Leppig 1998-8-14 1026 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC21257  Lycium barbarum R. C. Wunner 1965-7-10 380 Siskiyou Lava Beds National Monument, Indian Well Ranger Station and around superintendent residence 1454 Comment
  HSC36660  Lysichiton americanus Brent Whiteley 1975-6-29 105 Siskiyou 976 Comment
  UCD102934  Lythrum salicaria B. Meyers-Rice 2000-7-29 MR- 701 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  JEPS33806  Madia citriodora E. L. Greene June 1876 Siskiyou Yreka Comment
  CAS-BOT-BC344018  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  SEINET11601350 Image available Madia elegans G. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  JEPS94784  Madia exigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9355 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CDA15522  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Comment
  HSC36815  Madia gracilis J. P. Smith 1974-5-27 7619 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS25849  Madia gracilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7477 Siskiyou 0.2 mi w Rogers Creek crossing (along Calif. Highway 96, on e side of Klamath River canyon); Klamath River 228 Comment
  JEPS69752  Madia gracilis W. B. and V. G. Cooke 1972-7-6 45454 Siskiyou along Mud Creek Dam road Mt. Shasta 1066 Comment
  JEPS74479  Madia gracilis W. J. Ferlatte 1966-8-3 248 Siskiyou wooded area near public campground; Trinity Alps, Big Flat 1524 Comment
  UC830825  Madia gracilis Lewis S. Rose 1937-7-26 37607 Siskiyou McCloud 1005 Comment
  HSC29115  Madia gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between Lower Pond and Tobacco Lake 1921 Comment
  OBI55493  Madia gracilis David J. Keil 1992-7-21 23552 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  CDA15526  Madia madioides G. F. Hrusa 1998-7-5 14694 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  UCR66722  Madia minima L. C. Wheeler 1934-6-1 02601 Siskiyou Siskiyou Mtns., Mt. Diablo mer. 2058 Comment
  RSA15597  Mahonia aquifolium C. B. Wolf 1927-8-27 1110 Siskiyou Happy Camp, Klamath River. Comment
  RSA21196  Mahonia aquifolium C. B. Wolf 1937-8-9 9084 Siskiyou Siskiyou Mts., 4 7/10 mi. from Oak Knoll Ranger Station on road to Dry Lake Lookout. 1220 Comment
  HSC99338  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1979-7-1 6192 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA68871  Maianthemum racemosum subsp. amplexicaule A. E. Culbertson 1943-6-19 85 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC96871  Maianthemum stellatum Gordon Leppig 1998-7-10 914 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  CAS-BOT-BC347359  Malacothrix floccifera Roxana S. Ferris; Laura Lorraine 1948-6-12 11756 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  UC109027  Malva neglecta Brandegee 1887-7-1 Siskiyou Edgewood Comment
  HSC46144  Malva neglecta J. P. Smith, Steve Selva 1970-8-9 4580 Siskiyou In potato fields W of Macdoel. Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  CAS-BOT-BC348080  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UCD86259  Melica aristata P. B. Kennedy 1923-7-29 s.n. Siskiyou S. West of Sisson. Comment
  UCR37824  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UCD87010  Melica californica A. H. Murphy 1953-7-29 KNF 13 Siskiyou Klamath National Forest. Steavale Canyon, 1524 Comment
  HSC49216  Melica harfordii J. O. Sawyer, K. T. Stillman Jul 1977 2796 Siskiyou Mid slopes and ridges E of the Little N Fork Trail. 732 Comment
  JEPS48636  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  CAS-BOT-BC428542  Micranthes aprica Harley P. Chandler 1901-6-1 1675 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC428546  Micranthes aprica H. E. Brown 1897-6-15 467 Siskiyou North side Mt. Shasta 3048 Comment
  JEPS93851  Microseris nutans Vernon H. Oswald and Lowell Ahart 1998-6-11 9198 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
  HSC36956  Microsteris gracilis J. P. Smith 1974-5-26 7567 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC427  Mimulus guttatus William J. Ferlatte 1966-6-22 97 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC27111  Mimulus layneae Carl W. Mize 1972-6-21 62 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  SEINET515851  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC1190172  Mimulus moniliformis Ira L. Wiggins 1955-7-22 13451 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  RSA104143  Mimulus moschatus var. longiflorus H. E. Brown 1897-6-1 405 Siskiyou Near Mt. Shasta. 1829 Comment
  RSA12581  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi. from Mt. Shasta City on Wagon Camp Rd. S.W. slope of Mt. Shasta. 1220 Comment
  UC1063560  Mimulus nanus var. nanus M. H. Mitchell 1936-5-22 51 Siskiyou Black Crater Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  UC722669  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  HSC426  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA161100  Mimulus nanus var. nanus Peter H. Raven 1962-5-30 17902 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  UC1034023  Mimulus nasutus Francis W. Pennell 1940-7-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  RSA233700  Mimulus primuloides Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38969 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS16327  Mimulus primuloides subsp. linearifolius Peter H. Raven 1956-9-5 10453 Siskiyou North Fork of the Sacramento River 2011 Comment
  JEPS93918  Mimulus primuloides subsp. linearifolius Vernon H. Oswald and Lowell Ahart 1998-8-3 9419 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 1554 Comment
  HSC101476  Mimulus primuloides var. linearifolius J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12991 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  HSC72399  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-17 4469 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC91002  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-8 1338 Siskiyou N slope of Mt. Eddy 2439 Comment
  HSC446  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin 2226 Comment
  HSC91134  Mimulus tilingii Jennifer Whipple 1976-7-8 1345 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  JEPS32673  Mimulus tilingii Paul C. Hutchison 1962-8-2 930 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2743 Comment
  HSC77353  Minuartia nuttallii subsp. gregaria L. P. Janeway 1983-8-7 519 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  SBBG122860  Minuartia nuttallii var. gregaria B. Ertter 1990-7-14 9308 Siskiyou streamlet near end of USFS Rd 41N53, ca. 1 mi N of Morgan Meadows, E side of Mt Eddy; 4 air mi W of Mt Shasta City 1676 Comment
  HSC104140  Minuartia rubella Dana York 2011-8-13 3067 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  JEPS109602  Minuartia stolonifera Dean W. Taylor 2002-6-29 18207 Siskiyou Forest Road 40N08 7 miles NE from Scott Mountain summit (ca. 2.75 mi N of Big Carmen Lake) 1524 Comment
  SEINET10874551 Image available Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 Nelson 7839 Siskiyou T40N, R8W, Sec. 24. Along south side of State Route 3 3.1 miles north of Scott Mountain Pass. Rocky openings in Jeffrey pine woodland on serpentine. 1219 Comment
  HSC86553  Mitella pentandra D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  RSA184752  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA184754  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout. Marble Mtns. 1799 Comment
  HSC75247  Moehringia macrophylla J. P. Smith 1973-5-5 6412 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1019311  Moehringia macrophylla Dorothy Parker 1953-5-24 533 Siskiyou Scott River; Siskiyou Mountains, Scott River 681 Comment
  HSC14277  Monardella glauca R. C. Wunner 1965-6-29 299 Siskiyou Lava Beds National Monument, below upper Caldwell Ice Cave 1433 Comment
  CAS-BOT-BC221809  Monardella odoratissima Alice Eastwood 1912-7-19 1233 Siskiyou Mount Shasta Comment
  IRVC16377  Monardella odoratissima Jerry A. Powell 1974-6-13 1158 Siskiyou Ash Creek Ranger Station. Sierra Mountains Comment
  CHSC67842  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3431 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  UC883623  Monardella odoratissima subsp. pallida Lewis S. Rose 1937-7-25 37587 Siskiyou S. slope of Mt. Shasta. 1767 Comment
  LA54226  Monardella sheltonii Annetta M. Carter; 1934-8-12 695 Siskiyou N side of Klamath River near mouth of Walker Creek (E end of Seiad Valley) 426 Comment
  SEINET10582373  Monardella siskiyouensis A. Graff 1993-7-24 Graff 356 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  CAS-BOT-BC453479  Monotropa hypopitys H. A. Thomas; J. H. Thomas 1954-7-21 4387 Siskiyou Salmon-Trinity Mts., about 6 iles SE of Cecilville. West side of Rush Creek. 1036 Comment
  HSC33978  Montia chamissoi J. P. Smith 1974-5-25 7469 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA601896  Montia linearis L. C. Wheeler 1935-4-18 3431 Siskiyou Greenhorn Creek, Siskiyou Mountains. 944 Comment
  UC164028  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Oro Fino Comment
  CAS-BOT-BC445112  Montia linearis W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows, near Mt. Shasta Comment
  RSA789821  Montia parvifolia Rebecca Wenk 2005-7-16 258 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  HSC100201  Morus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13170 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  UC711878  Muhlenbergia asperifolia Roxana S. Ferris and Laura Lorraine 1941-8-11 10502 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  UCD86525  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Shasta Valley between Gazelle and Edgwood. Comment
  SEINET10960335  Muhlenbergia asperifolia A. Arthur Heller 1918-7-25 Heller 13082 Siskiyou Shasta Valley between Gazelle and Edgwood on the border of a meadow in alkaline soil. Comment
  CAS-BOT-BC267043  Muhlenbergia filiformis John Thomas Howell 1937-7-25 13445 Siskiyou Caribou Basin, Salmon - Trinity Alps 2286 Comment
  CAS-BOT-BC267045  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  CAS-BOT-BC267048  Muhlenbergia filiformis A. A. Heller 1914-8-25 11704 Siskiyou Near Deetz station, near Black Butte 6 miles N of Sisson 1158 Comment
  CAS-BOT-BC275340  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  RSA239109  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC711877  Muhlenbergia richardsonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10497 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  HSC33997  Myosotis micrantha J. P. Smith 1974-5-25 7478 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC65668  Nama lobbii Donald W. Miles 1979-7-28 28 Siskiyou Jct. of logging spur rd. and Harris Springs Rd., 12 mi. NE of Bartle 1439 Comment
  RSA68891  Nama lobbii A. E. Culbertson 1943-7-10 66 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  RSA601498  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  JEPS70297  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou Woolly Creek (at head of, near lake) Woolly Creek 1676 Comment
  RSA238014  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC455653  Navarretia intertexta I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  HSC79091  Navarretia intertexta Paul Wilson 1984-9-1 377 Siskiyou Juanita Lake Reservoir 1555 Comment
  POM65167  Navarretia sinistra E. B. Copeland 1903-7-3 3560 Siskiyou Klamathon. Comment
  POM216006  Nemophila parviflora var. austiniae Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  POM73769  Nemophila pedunculata Geo. D. Butler 1910-5-7 1302 Siskiyou Fields near Yreka. Comment
  JEPS87825  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1994-8-1 6445 Siskiyou near Weed (Old Highway 99, just s of Stewart Springs Rd) 923 Comment
  RSA43881  Nepeta cataria H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  HSC60774  Noccaea fendleri subsp. glauca Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC707026  Nothocalais troximoides G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3255 Siskiyou 5 mi w Gazelle Comment
  UC1409428  Nothochelone nemorosa Frederick W. Oettinger 1968-8-5 408 Siskiyou n of English Peak leading down to Upper English Lake (High Lake Basins, Salmon Mountains, Marble Mountain Wilderness Area); High Lake Basins, Salmon Mts., Marble Mountain Wilderness Ar 1950 Comment
  UCR80886  Nothochelone nemorosa G. Fred Hrusa 1993-8-14 11399 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
Read comments
1
  POM250708  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just SE of summit. Siskiyou Mts. 1402 Comment
  RSA0013795  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou N. end of Horse Range Lake. Salmon Mountains, High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC61691  Oenothera elata subsp. hirsutissima Geo. B. Grant September 1902 5225 Siskiyou Sisson Mt. Shasta 914 Comment
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  UCD77891  Orobanche uniflora Robert E. Preston 2002-6-20 1849 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1968 Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  HSC29192  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou High Lakes Basins, Marble Mountain Wilderness Area, Upper English Lake campsite at NE corner 1768 Comment
  HSC19204  Orthilia secunda J. O. Sawyer 1968-7-22 561 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19211  Orthilia secunda J. O. Sawyer 1968-9-9 670 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC1408765  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou North of English Peak on way down to Upper English Lake. 1950 Comment
  RSA0083187  Orthilia secunda L. C. Wheeler 1934-6-23 2772 Siskiyou Hungry Creek, Siskiyou Mts. 1128 Comment
  CAS-BOT-BC238407  Orthocarpus Margaret M. Hanna 1956-6-7 s.n. Siskiyou East side, Glass Mt., 4 mi. Comment
  HSC91017  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1976-7-9 1394 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  UC164397  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1908-8-4 53 Siskiyou head of Shackleford Creek Comment
  RSA237568  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -b Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  POM43391  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest Foothills. 1524 Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  SEINET10483819  Osmaronia cerasiformis David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20648 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
  HSC69285  Osmorhiza berteroi Maralyn A. Renner 1980-7-24 1952 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC78374  Osmorhiza berteroi L. P. Janeway 1983-9-11 657 Siskiyou Poker Flat 1524 Comment
  UC61183  Osmorhiza berteroi W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC94388  Osmorhiza occidentalis R. C. Wenk 2005-6-17 167 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  HSC34357  Osmorhiza occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7306 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  UCD111336  Oxalis trilliifolia J. M. Tucker 1974-7-28 4331 Siskiyou 1 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC316758  Packera cana John William Thompson 1936-7-8 13150 Siskiyou Lava Slopes of Lava Beds Nat. Monument 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
  CAS-BOT-BC316755  Packera cana William Bridge Cooke 1940-8-22 15475 Siskiyou along the west rim of Mud Creek Canyon 2743 Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  CAS-BOT-BC28832  Paeonia brownii Bruce Bartholomew 1994-5-27 6708 Siskiyou Whitehorse Mountains near the Modoc County line 1600 Comment
  UCD96007  Papaver rhoeas Beecher Crampton 1969-6-19 8467 Siskiyou Gazelle; Interstate Highway 5 southbound. Comment
  UCD96008  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle. Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC175618  Parnassia palustris Milo S. Baker 1926-8-8 254 -'26 Siskiyou Meadow bet. Red Mt. & Granite Peak 2194 Comment
  UC572973  Pastinaca sativa Louis C. Wheeler 1935-7-4 3653 Siskiyou Yreka; creek bed 800 Comment
  CAS-BOT-BC202854  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou Hills along Shasta Creek Canyon Comment
  HSC4835  Paxistima myrsinites J. O. Sawyer 1968-6-18 169 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC163985  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat Comment
  JEPS124778 Image available Paxistima myrsinites P. L. Billings 1965-7-12 116 Siskiyou Fowlers Campground near McCloud on the McCloud River 1 mi. from Hwy 89. Comment
  HSC91018  Pedicularis attollens Jennifer Whipple 1977-7-21 2014 Siskiyou Near Durney Lake 2073 Comment
  HSC91147  Pedicularis attollens Jennifer Whipple 1976-7-15 1486 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  HSC91148  Pedicularis attollens Jennifer Whipple 1976-7-23 1525 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SEINET10549151  Pedicularis attollens Mary Susan Taylor 1980-7-22 Taylor 3172 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  RSA401964B  Pedicularis aurantiaca Christopher Davidson 1975-6-5 2684 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  UC1409424  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou ridge below Diamond Lake on way to English Peak (High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  UC164398  Pedicularis densiflora Geo. D. Butler 1910-5-10 1324 Siskiyou Goosenest Foothills Comment
  JEPS3363  Pedicularis howellii W. L. Jepson 1907-7-10 2876 Siskiyou Kelsey Trail near Preston Peak (Onion Patch) 1828 Comment
  JEPS84021  Pedicularis howellii L. R. Heckard with R. Raiche 1986-7-16 6357 Siskiyou 7 mi nne of Seiad Valley (sw of Cook and Green Pass, 1/2 mi se of Red Butte) 1730 Comment
  HSC12277  Pedicularis racemosa R. W. Spjut 1970-7-17 448 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake, NW corner of lake 1829 Comment
  RSA686812  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou West of town of Mount Shasta, county road off road to Castle Lake, between Wagon and Deer Creek bridges 1220 Comment
  RSA237835  Pellaea brachyptera Frederick W. Oettinger 1968-8-6 538 Siskiyou South facing rather steep slope of Little Medicine Mountain due north of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  UC1408849  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou due n of Hancock Lake (near summit of Little Medicine Mt); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2087 Comment
  OBI80247  Penstemon David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  JEPS23803  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  JEPS84083  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6294 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line); Indian Creek Road fr Takilma to Happy Camp 1420 Comment
  JEPS94895  Penstemon cinereus Vernon H. Oswald and Lowell Ahart 1998-6-11 9190 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation, Highway 97 1066 Comment
  UC1586909  Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  SEINET3160250  Penstemon confertus G. D. Butler 1909-6-22 934 Siskiyou Gooseness Mts. Comment
  HSC41815  Penstemon davidsonii Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  UC696751  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou crest of Red Shale Mountain [Red Shale Butte] Medicine Lake Region 2438 Comment
  HSC662  Penstemon deustus William J. Ferlatte 1967-7-9 678 Siskiyou Kidd Creek Trail 1768 Comment
  JEPS18959  Penstemon deustus Rimo Bacigalupi with L. Constance and M. Hiroe 1956-6-9 5695 Siskiyou 1.5 mi nw Weed (along U.S. Highway 99, southern limits of Shasta Valley); southern limits of Shasta Valley 975 Comment
  CHSC75761  Penstemon deustus var. suffrutescens Vernon H. Oswald 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy. 990 Comment
  UC164253  Penstemon deustus var. suffrutescens Geo. D. Butler 1910-5-25 1404 Siskiyou dry land near Yreka; Dry land near Yreka Comment
  NY605088  Penstemon deustus var. suffrutescens R. C. F. Bacigalupi 1956-6-9 5695 Siskiyou Along U.S. Highway No. 99, southern limits of Shasta Valley, 1.5 miles northwest of Weed. 975.4 Comment
  NY600753  Penstemon gracilentus A. A. Heller 1920-8-12 13514 Siskiyou Horse Camp, Mt. Shasta Comment
  SBBG16535  Penstemon gracilentus D. Myrick 1961-6-20 269 Siskiyou near Mt Shasta City 1066 Comment
  UC711897  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-11 10507 Siskiyou three mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest, nr Medicine Lake Comment
  UC887038  Penstemon gracilentus Alice Eastwood 1912-7-19 1229 Siskiyou Mount Shasta Comment
  POM251095  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11547 Siskiyou Mt Shasta. Lava flats at Horse camp. 2439 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
  UCSB11850  Penstemon humilis Haller, John 1961-6-23 Siskiyou near U.S. Highway 97; 3.8 mi S of Hebron Summit; about 27 mi NE of Weed 1493 Comment
  CDA41856  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou About 100 yards northeast 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. Comment
  JEPS83891  Penstemon laetus var. sagittatus Wayne Roderick Jul 1976 Siskiyou along Copper Butte Trail Siskiyou Mountains Comment
  UC1187075  Penstemon laetus var. sagittatus David D. Keck 1940-6-13 5176 Siskiyou 9 mi s MacDoel (on U.S. 97 between Dorris and Weed); s of MacDoel 1463 Comment
  NY604547  Penstemon laetus var. sagittatus F. W. Pennell 1940-7-20 26198 Siskiyou Fowlers Camp, 5-6 miles southeast of McCloud 1005.8 Comment
  UC1238952  Penstemon laetus var. sagittatus Freed W. Hoffman 1948-7-8 2566 Siskiyou on Klamath River road 19.7 mi e Happy Camp; North Coast Ranges, Klamath River Road Comment
  CHSC26183  Penstemon newberryi J. P. Kroessing 1977-8-5 54 Siskiyou Ca 13 km e on Everitt Memorial Hwy, ca 12 km ssw of Mt Shasta Peak. 1660 Comment
  HSC86631  Penstemon newberryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2134 Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  NY627426  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  CHSC99700  Penstemon parvulus L. P. Janeway 2008-7-24 9488 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  NY629979  Penstemon parvulus D. D. Keck 1938-8-6 4820 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line, on road from Waldo to Happy Camp. 1554.5 Comment
  CHSC114659  Penstemon parvulus J. Kierstead 1990-7-18 90 -108 Siskiyou Shasta-Trinity National Forests. Forest Service Rd. 40N26 at Gumboot/Mumbo Basin pass. 1950 Comment
  SEINET10865390  Penstemon parvulus F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1749 Siskiyou Rocky knoll, 2 1/2 mi nw of dry lake lookout, summit of the siskiyou mtns. Comment
  HSC65006  Penstemon procerus var. brachyanthus D. L. Goforth 1979-7-19 256 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  NY638942  Penstemon procerus var. brachyanthus J. T. Howell 1937-7-24 13390 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  NY639254  Penstemon procerus var. formosus H. P. Chandler 06 1901 1639 Siskiyou Near Marble Mountain 2133.6 Comment
  UC2046559  Penstemon purpusii William J. Ferlatte 1974-7-15 1537 Siskiyou Yellow Rose Mine Trail Comment
  HSC82000  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-16 4853 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  HSC101872  Penstemon rupicola R. D. Whittlesey 2013-6-4 2 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1187 Comment
  JEPS94267  Penstemon rydbergii var. oreocharis Vernon H. Oswald and Lowell Ahart 1998-6-11 9208 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  JEPS69754  Penstemon speciosus W. B. and V. G. Cooke 1972-7-6 45458 Siskiyou along Mud Creek Dam Road (Mt. Shasta); , along Mud Creek Dam Road 1066 Comment
  HSC29411  Perideridia howellii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1309 Siskiyou Marble Mountain Wilderness Area, W of English Lake above main campsite 1799 Comment
  UCR37514  Perideridia oregana L. P. Janeway 1983-8-28 642 Siskiyou Poker Flat 1529 Comment
  SEINET13944986 Image available Perideridia oregana L. Constance, T. I. Chuang, Fei, Mei Chuang, and M. Sousa S. 1966-1 3767 Siskiyou US Hwy 99W, 1.5 mi N of Edgewood turnoff, open rocky adobe pastured flat, alt. 300 ft 91 Comment
  HSC69101  Perideridia parishii subsp. latifolia Maralyn A. Renner 1980-8-4 2229 Siskiyou Flint Valley 1390 Comment
  CHSC725  Phacelia linearis V. Holt 1932-6-23 Siskiyou Lava beds NW of Shasta. Comment
  UC1540000  Phacelia linearis M. Mitchell 1936-5-14 19 Siskiyou Captain Jack's Stronghold Lava Beds National Monument 1554 Comment
  UC1034049  Phacelia mutabilis W. Bridge Cooke 1941-9-10 16308 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  HSC29264  Phacelia mutabilis Frederick W. Oettinger 1969-8-13 1354 Siskiyou Marble Mountains Wilderness Area: Trail heading up to English Peak Lookout 2172 Comment
  RSA211417  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat. Wooded area near public camp. 1524 Comment
  HSC27649  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 6 Siskiyou Along main trail 335 Comment
  UC909517  Phacelia pringlei Ira L. Wiggins 1950-5-28 12385 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  JEPS80594  Phacelia procera Gilbert Muth 1966-8-3 496 Siskiyou off trail to 4 corners Marble Mt. Wilderness Area, Marble 1792 Comment
  HSC29248  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou Salmon Mtns., cliffs SW of Upper English Lake 1829 Comment
  HSC20256  Philadelphus californicus C. B. Wolf 1927-8-26 1044 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  RSA782328  Philadelphus californicus R. W. Spjut, Paul Burchstead 2008-6-12 16343 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  CAS-BOT-BC77425  Philadelphus lewisii Gilbert Muth 1965-8-3 s.n. Siskiyou Down creek from Marble Valley Comment
  RSA0058050  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou Down creek from Marble Valley, Marble Mts. Comment
  HSC61882  Phlox adsurgens Al Hobart, V. S. 1969-6-18 Siskiyou Poker Flat 1585 Comment
  HSC46003  Phlox diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1409302  Phlox diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  POM65609  Phlox diffusa subsp. diffusa E. B. Copeland 1903-7-17 3511 Siskiyou Mt. Shasta 2317 Comment
  JEPS71115  Phlox gracilis J. W. Kisling Mar 1910 Siskiyou Edgewood Comment
  UC1442633  Phlox hirsuta William J. Ferlatte 1978-5-28 1904 Siskiyou 0.4 mi e Interstate 5 (0.2 mi n of Hwy 3 on way to Montague, hills n of Yreka) 830 Comment
  JEPS26563  Phlox speciosa subsp. occidentalis Lauramay T. Dempster 1961-7-3 1872 Siskiyou se of Callahan (w face of Scott Mountain); Scott Mountain Comment
  CAS-BOT-BC135027  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Hornbrook 731 Comment
  UC141920  Phoradendron densum Copeland 1903-7-7 3542 Siskiyou Hornbrook Comment
  CAS-BOT-BC135341  Phoradendron juniperinum Wm. Bridge Cooke 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the Mountain. Howard 1219 Comment
  UC618793  Phoradendron libocedri W. Bridge Cooke 1938-8-19 11520 Siskiyou Mt. Shasta, Bear Springs Comment
  CAS-BOT-BC56493  Phyllodoce empetriformis W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak - Lunch Creek Comment
  HSC19152  Phyllodoce empetriformis J. O. Sawyer 1969-8-5 1767 Siskiyou W of Little Duck Lake 2073 Comment
  HSC60912  Phyllodoce empetriformis Al Hobart Siskiyou Black Butte Comment
  RSA211460  Phyllodoce empetriformis William J. Ferlatte 1966-8-5 352 Siskiyou Caribou Mtn. 2470 Comment
  RSA237315  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1409436  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou inlet to Little Hancock Lake (in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  HSC4818  Physocarpus capitatus J. O. Sawyer 1968-9-10 760 Siskiyou Young's Meadow on Clear Creek 1402 Comment
  POM139827  Physocarpus capitatus E. B. Copeland 1903-6-9 3858 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  POM139966  Physocarpus capitatus M. S. Baker 1899-07 s.n. Siskiyou East slope of Mt. Shasta near Sisson on Ask Creek. Comment
  HSC4813  Picea breweriana J. O. Sawyer 1968-9-13 711 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  POM267223  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou Marble Mountain, summit of Cayenne Ridge on W side. Comment
  UC1223745  Picea breweriana G. L. Stebbins Jr. 1963-7-5 Siskiyou ca 7 mi (airline) e Sawyer's Bar (creek is a tributary of Salmon River); Salmon Mountains, Blake's Fork of South Russian Creek 1615 Comment
  SEINET10530614  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill UMO 107773 Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. 1890 Comment
  HSC1552  Pinus albicaulis J. F. Knezevich 1967-6-3 182 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  LA6021  Pinus albicaulis Wm. Bridge Cooke; 1939-8-22 13884 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  RSA105393  Pinus albicaulis G. D. Barbe 1955-8-5 360 Siskiyou Growing along a ridge NW of the summit of Caribou Mtn in the Salmon Mtns. 2409 Comment
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  HSC45575  Pinus balfouriana Maralyn O'Meara 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose Mine Comment
  HSC103160  Pinus contorta subsp. murrayana Michael Kauffmann 2013-8-7 20 Siskiyou South China Mountain 2395 Comment
  HSC44631  Pinus contorta var. murrayana Jerome Peterson 1978-5-20 18 Siskiyou Haypress Meadow, Bulk Collection # 132 Comment
  CAS-BOT-BC73180  Pinus jeffreyi Ranger K. Fox 1939-8-22 13876 Siskiyou Mount Shasta, along the Everett Memorial Highway. 1981 Comment
  HSC29670  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Marble Mtn. Wilderness Area, near top of 'Rusty Ridge' where it grades into Frany Peak to the W of Horse Range Lake 2012 Comment
  UC618790  Pinus lambertiana W. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC1190184  Piperia transversa Ira L. Wiggins 1955-7-24 13483 Siskiyou between upper reaches of China and Blind Horse Creeks 1234 Comment
  UC618670  Piperia unalascensis W. Bridge Cooke 1938-7-22 11309 Siskiyou Wagon Camp meadow Mount Shasta, Wagon Camp 1737 Comment
  POM72137  Plagiobothrys Geo. D. Butler 1910-5-10 1321 Siskiyou Goosenest Meadow. 1677 Comment
  SEINET15345844  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Yreka Creek, Siskiyou Mts. 853 Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC231002  Plagiobothrys hispidulus Alice Eastwood 1921-7-25 s.n. Siskiyou Near Pigrim Creek nursery Comment
  POM72138  Plagiobothrys tenellus Geo. D. Butler 1909-4-13 654 Siskiyou Yreka. Comment
  JEPS107650  Plantago eriopoda Lowell Ahart, John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CDA6624  Plantago lanceolata G. D. Barbe 1973-8-14 1706 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  RSA237605  Plantago lanceolata Frederick W. Oettinger 1969-8-13 1363 Siskiyou Where stock are kept at English Lake main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA237615  Plantago lanceolata Frederick W. Oettinger 1967-8-3 239 Siskiyou Along Hancock Lake trail near the eastern most campsite along NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC86551  Platanthera dilatata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows region 1372 Comment
  UC61188  Platanthera leucostachys W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  CDA39508  Platanthera leucostachys T. C. Fuller 1966-5-26 14715 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  HSC68340  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1429 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC69088  Platanthera sparsiflora Maralyn A. Renner 1980-8-6 2311 Siskiyou Cracker Meadow 1555 Comment
  SJSU6500  Platanthera sparsiflora R. W. Trivelpiece 1972-6-15 115 Siskiyou Vann Creek near Bear Peak, SW of Happy Camp 1280 Comment
  RSA249349  Platanthera stricta A. Montalvo, J. D. Akerman 1974-8-17 423 Siskiyou West slope of Preston Peak, 5 miles north of Rattlesnake Meadow 1646 Comment
  UC999839  Plectritis congesta S. C. Dyal 1938-6-12 716 Siskiyou California Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  CAS-BOT-BC254779  Poa bolanderi John Thomas Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC254782  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleton Creek 1371 Comment
  CAS-BOT-BC255003  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53402 Siskiyou Forest Mountain Summit, 6 miles SW of Yreka on road to Fort Jones 1249 Comment
  UCD90666  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Montague. On railroad deposit. Comment
  UCD90950  Poa cusickii subsp. epilis A. H. M. 1955-7-29 5500 Siskiyou Klamath National Forest, Marble Mountains. Clear Lake. 1798 Comment
  JEPS84092  Poa grandis L. R. Heckard with J. Hickman et al. 1986-7-17 6525 Siskiyou e Condrey Mt; Alex Hole region 1980 Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  HSC58891  Poa pratensis Marvin Butler 1971-7-21 193 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  CAS-BOT-BC256010  Poa pratensis Doris K. Kildale 1928-7-4 5513 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  UCD91768  Poa pringlei A. H. Murphy 1959-7-21 59 A Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  POM112569  Poa rhizomata Geo D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  POM353038  Poa secunda E. Yale Dawson 1948-7-16 5096 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  RSA126059  Poa secunda I. L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  UCD90325  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3399 Siskiyou 7 miles N of Weed. Comment
  SDSU2782  Poa secunda subsp. juncifolia D. F. Howe 1977-7-1 4977 Siskiyou 10 miles north of Weaverville on #3 792 Comment
  CAS-BOT-BC243239  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53435 Siskiyou Along E Fork Scott River 2 miles E of Callahan on road to Gazelle 990 Comment
  HSC39635  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-6-30 5644 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  HSC92029  Poa secunda subsp. secunda Jennifer Whipple 1976-6-23 1107 Siskiyou Mount Eddy, drainage into the N Fork of the Sacramento River. 2256 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UCD77925  Poa secunda subsp. secunda Robert E. Preston 2002-6-20 1828 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  SEINET4244390 Image available Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou Paradise Lake, at base of King's Castle, east side of Marble Mountain Wilderness Area Comment
  CAS-BOT-BC231355  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC231358  Polemonium pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  CAS-BOT-BC231353  Polemonium pulcherrimum M. S. Clemens No date on label s.n. Siskiyou Mt. Shasta Comment
  UCD37089  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  UC868238  Polygala cornuta var. cornuta Alice Eastwood 1912-7-19 1209 Siskiyou Sisson Comment
  CAS-BOT-BC170342  Polygala cornuta var. cornuta Annie M. Alexander; Louise Kellogg 1948-9-4 5581 Siskiyou On bank above road, half way between Somersbar and Forks of the Salmon, Salmon River - Siskyou Mountains Comment
  JEPS93926  Polygonum bistortoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9436 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CDA22762  Polygonum bistortoides T. C. Fuller 1962-6-13 8995 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  RSA273321  Polygonum buxiforme J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UC375154  Polygonum californicum Geo. D. Butler 1908-7-23 192 Siskiyou dry land near Yreka Comment
  JEPS50520  Polygonum convolvulus W. L. Jepson 1894-7 14805 Siskiyou Sisson Comment
  SEINET10624421  Polygonum convolvulus Smith Smith s.n. 1915 Siskiyou Sisson Comment
  HSC92999  Polygonum douglasii Jennifer Whipple 1977-8-6 2197 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  JEPS51268  Polygonum douglasii Geo. D. Butler 1908-7-20 195 Siskiyou Humbug Creek Comment
  UCD77951  Polygonum douglasii Robert E. Preston 2001-7-21 1752 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  JEPS49633  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-7-26 3700 Siskiyou Jaynes Canyon Siskiyou Mts. 1950 Comment
  JEPS105006  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1995-6-4 14966 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC375322  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 189 Siskiyou near Yreka Comment
  UC850385  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  RSA598060  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1963-9-2 8331 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  JEPS74500  Polygonum minimum W. J. Ferlatte 1966-8-18 417 Siskiyou between campground Carter's; Trinity Alps, South Fork of the Salmon River 1524 Comment
  RSA237779  Polygonum persicaria Frederick W. Oettinger 1969-8-14 1565 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  JEPS50641  Polygonum phytolaccifolium W. L. Jepson 1937-7-30 18565 Siskiyou Poker Flat Siskiyou Mts. (headwaters Indian Creek) 1584 Comment
  UC1540245  Polygonum sawatchense subsp. oblivium Dean W. Taylor 1987-6-26 9075 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  CAS-BOT-BC420224  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CHSC1351  Polygonum shastense K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. Comment
  JEPS40856  Polygonum shastense Paul C. Hutchison 1962-8-2 935 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2621 Comment
  CAS-BOT-BC421072  Polygonum spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  CAS-BOT-BC421076  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Creek 1005 Comment
  HSC76893  Polygonum spergulariiforme K. T. Stillman 1976-9-9 489 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  SEINET10937598  Polygonum spergulariiforme Lowell Ahart, Peter Ahart 1983-9-13 Ahart 4411 Siskiyou Near Hwy 96, near the Klamath River, ca. 5 mi w of Interstate 5. Yellow Pine Forest; 1000 m. 1000 Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CAS-BOT-BC237390  Polypogon monspeliensis Dorothy Parker 1948-7-28 74 Siskiyou Scott Valley 853 Comment
  UC70718  Polypogon monspeliensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley 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
  RSA237506  Polystichum imbricans Frederick W. Oettinger 1968-9-1 657 Siskiyou Just SSW of Abbot's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wildernes Area. 1799 Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  HSC79135  Polystichum kruckebergii C. J. Thomas 1983-10-1 84 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC376179  Polystichum lemmonii Andrew Townesmith; Karen M. Meyer 2007-8-1 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC26113  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5680 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS89828  Polystichum lemmonii Dean W. Taylor 1988-7-9 9930 Siskiyou divide between Fawn Creek and headwaters S. Fork Sacramento R. (Bear Ridge); N. Coast Ranges, Seven Lakes Basin 7 1/2 Quad., Bear Ridge 2072 Comment
  UC205092  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  CAS-BOT-BC72375  Polystichum lemmonii Lillian Mott 1976-7-18 56 LM76 Siskiyou base of Kangaroo Mt. near Cook and Green Pass 1828 Comment
  HSC92767  Polystichum lemmonii Jennifer Whipple 1976-7-23 1521 Siskiyou Dale Cr. drainage on N face of Mt. Eddy 2317 Comment
  UCSB28070  Polystichum lemmonii Bacciu, Eugene 1961-6-1 Siskiyou Mt. Eddy Creek, near Weed. 1524 Comment
  CAS-BOT-BC72399  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 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
  HSC34293  Polystichum lonchitis J. P. Smith, J. O. Sawyer 1973-8-14 7287 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC72513  Polystichum scopulinum Louis C. Wheeler 1934-8-16 3172 Siskiyou 2 miles east of White Mt., Siskiyou Mts. 1920 Comment
  RSA184758  Populus tremuloides Gilbert Muth 1966-7-19 420 Siskiyou Black Mountain Trail. Meadow above Marble Valley. Marble Mountains. 1860 Comment
  CAS-BOT-BC102761  Populus tremuloides W. B. C. 1938-8-25 11586 Siskiyou Along Pilgrim Creek, forest along Pilgrim Creek east of Widow Spring 1371 Comment
  CHSC32957  Potamogeton crispus J. P. Smith 1970-7-16 4380 Siskiyou Along Klamath River 2 miles west of Seiad Creek. 518 Comment
  UC201703  Potamogeton illinoensis Geo. D. Butler 1916-8-21 1853 Siskiyou Shasta River Comment
  CAS-BOT-BC143183  Potentilla breweri John Thomas Howell 1937-7-25 13468 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA215633  Potentilla breweri var. breweri Gilbert Muth 1969-8-8 1275 Siskiyou Boreal meadow, Boulder Peak ridge in subalpine forest. 2287 Comment
  UC1538958 Image available Potentilla cristae Marla A. Knight, Julie D. Knorr 1987-8-3 951 Siskiyou near summit Cory Peak; China Mt. Quad., near summit Cory Peak 2133 Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  JEPS44166  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  UC555306  Potentilla fruticosa D. Tebbe 1929-7-15 124 Siskiyou Mt. Eddy Comment
  RSA184696  Potentilla glandulosa Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  JEPS47175  Potentilla gracilis var. fastigiata W. L. Jepson 1937-7-30 18550 Siskiyou Poker Flat Siskiyou Mts., headwaters of Indian Creek, Poker Flat 1584 Comment
  RSA119332  Potentilla gracilis var. fastigiata S. S. Tillett 1956-7-11 684 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  CAS-BOT-BC540548  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Along a creek near the Castle Lake Road 1524 Comment
  CAS-BOT-BC540566  Potentilla gracilis var. fastigiata Dorothy Parker 1950-7-2 467 Siskiyou Scott Valley 853 Comment
  UC60973  Potentilla gracilis var. flabelliformis Geo. B. Grant September 1902 5086 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  POM253374  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About 1 mile S of Bray. 1402 Comment
  UC1368673  Potentilla recta W. B. and V. G. Cooke 1968-7-1 39229 Siskiyou in cleared area in highway equipment turnout Jct. US 97 and Andesite Road 1524 Comment
  UC1034608  Prunella vulgaris var. lanceolata Douglas Barbe 1955-6-29 40 Siskiyou on the s bank of Scott River 1.8 mi e Callahan; Klamath Mountains, bank of Scott River 975 Comment
  RSA238551  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-1 1126 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC158213  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158215  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  JEPS82469  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountain Wilderness Area Marble Valley Meadow; , Marble Mountain Wilderness Area 1792 Comment
  RSA48221  Prunus emarginata Roxana S. Ferris 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  RSA531258  Prunus emarginata Walter Wisura 1991-9-3 4574 Siskiyou Along road to Castle Lake, W of town of Mt. Shasta. Comment
  UC60888  Prunus emarginata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  UC719804  Prunus emarginata Rogers McVaugh 1941-8-4 6231 Siskiyou 1 mi s of Mount Shasta City Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  HSC100863  Prunus subcordata J. P. Smith, J. O. Sawyer 2010-5-6 12815 Siskiyou Along Road 9KO2, N of Irongate Reservoir. 755 Comment
  CAS-BOT-BC151240  Prunus virginiana var. demissa L. B. Kildale 1930-5-31 9795 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC159452  Prunus virginiana var. demissa L. R. Short 1933-5-24 131 Siskiyou Klamath Forest 548 Comment
  JEPS44609  Prunus virginiana var. demissa W. L. Jepson 1940-7-3 20093 Siskiyou 6 mi e of McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp 944 Comment
  LA208173  Prunus virginiana var. demissa Wm. Bridge Cooke; 1938-8-5 11443 Siskiyou Mount Shasta 1523 Comment
  UC1034612  Prunus virginiana var. demissa Douglas Barbe 1955-6-28 24 Siskiyou 0.8 mi n of Callahan; Klamath Mountains 1005 Comment
  JEPS25881  Pseudognaphalium stramineum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7479 Siskiyou 4 mi above Oak Bottom guard station ((or 5 mi above and se of Somes Bar)); Salmon River gorge 274 Comment
  HSC30661  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou Marble Mountain Wilderness Area, near Tom Taylor Cabin 2027 Comment
  CAS-BOT-BC460557  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4428 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  SEINET7238921  Pterospora andromedea W. Roderick 1967-7-27 s.n. Siskiyou High Road, S of Etna 1676 Comment
  RSA176490  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 s.n. Siskiyou Located on Spring Hill near Sisson. Comment
  CAS-BOT-BC147898  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC147904  Purshia tridentata var. tridentata Alice Eastwood 1912-7-19 1232 Siskiyou Mount Shasta Comment
  CAS-BOT-BC147907  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  UC1037458  Purshia tridentata var. tridentata Douglas Barbe 1955-6-28 13 Siskiyou 0.4 mi n Callahan (Great Basin, hills to right of road); Klamath Mountains 1005 Comment
  JEPS19283  Pycnanthemum californicum Willis L. Jepson Jul 24 1894-Aug 10 1894 14895 Siskiyou near Sissons (Region of the Upper Sacramento); Upper Sacramento Region, near Sissons Comment
  UC1282004  Pycnanthemum californicum Louise Kellogg 1953-8-4 96 Siskiyou near Scott River n Callahan (edge of Scott Valley, Scott Mountains); Scott Mountains, near Scott River Comment
  RSA0082800  Pyrola aphylla Frederick W. Oettinger 1969-8-9 1324 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  CAS-BOT-BC462797  Pyrola dentata L. E. Smith 1913-6-29 438 Siskiyou Mt. Eddy Comment
  HSC69258  Pyrola picta J. Sawyer, J. Cole 1980-7-20 3742 Siskiyou 2 mi. N of Little Glass Mtn., on rd connecting F.S. Rd. 45N05 with F.S. Rd. 47N75 1875 Comment
  UC166593  Pyrola picta Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  UC618902  Pyrola picta W. Bridge Cooke 1938-5-8 11454 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1828 Comment
  UCR93347  Pyrola picta Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  CAS-BOT-BC466141  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS109773  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 2002-7-27 18279 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  SEINET9005431  Quercus chrysolepis G. D. Butler 1910-6-7 1530 Siskiyou Greenhorn mountain Comment
  CAS-BOT-BC62764  Quercus garryana var. breweri H. E. Brown 1897-7-15 597 Siskiyou on the south side of Mt. Shasta 3048 Comment
  UCD14457  Quercus garryana var. breweri Dean W. Taylor 1972-7-1 1565 Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; T 47N, R 11W, Sect. 8, NE quarter of NE quarter; 1371 Comment
  CDA16169  Quercus garryana var. garryana G. F. Hrusa, T. D. Wilfred 1999-5-31 15068 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka area 640 Comment
  RSA15598  Quercus garryana var. garryana Carl B. Wolf 1927-8-27 1109 Siskiyou Happy Camp, Klamath River. Comment
  UC338624  Quercus kelloggii unknown Siskiyou near Shasta Comment
  CAS-BOT-BC104337  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  CAS-BOT-BC104343  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  CAS-BOT-BC104345  Quercus sadleriana Oliver V. Matthews 1939-7-3 22 Siskiyou from upper limits of Sullivan Mine Grove of the Bakers Cypress region, Cook & Green Region 1219 Comment
  CAS-BOT-BC104348  Quercus sadleriana John Thomas Howell; Gordon H. True 1972-6-8 48854 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  SBBG47322  Quercus sadleriana J. T. Howell, G. H. True 1972-6-8 Siskiyou S of summit on rd from Takilma to Happy Camp Comment
  SD75845  Quercus sadleriana Darley F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback 1524 Comment
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Jul 11 2010
  UC1222293  Quercus sadleriana Joseph P. Tracy 1950-7-18 19215 Siskiyou the whole route from Flint Valley to Prospect Hill Comment
  UCD14458  Quercus sadleriana G. L. Stebbins 1972-7-3 s.n. Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; north of Seiad Valley, T 47N, R 11W, Sect. 9, Seiad Valley Quadrangle; Comment
  UCD47273  Quercus sadleriana G. L. Stebbins 1972-7-3 s.n. Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass: T. 47N, R 11W, Sect. 8, NE quarter of NE quarter. 1371 Comment
  RSA477130  Quercus sadleriana M. B. Dunkle 1944-7-18 9153 Siskiyou Siskiyou National Forest Comment
  CAS-BOT-BC104616  Quercus vacciniifolia L. E. Smith 1913-6-29 417 Siskiyou Rainbow Comment
  CAS-BOT-BC104629  Quercus vacciniifolia John Thomas Howell 1939-8-2 14880 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC104640  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  RSA237789  Quercus vacciniifolia Frederick W. Oettinger 1969-8-16 1399 Siskiyou Southwest of Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC595073  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou 3 mi se Scott Mountain Lodge (ridge between Mill Creek and Mule Creek); Scott Mts. 1402 Comment
  HSC28662  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1683 Siskiyou Marble Mtn. Wilderness Area, Salamander Pond near Abbott's Lake 1768 Comment
  HSC28740  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-8-24 1541 Siskiyou Marble Mtn. Wilderness Area, outlet of Upper English Lake 1921 Comment
  UC165946  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley Comment
  HSC77008  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  CHSC1485  Ranunculus glaberrimus S. Friday 1935-4-14 Siskiyou Scott Valley. 1158 Comment
  CDA24325  Ranunculus glaberrimus F. D. Horn 1979-4-13 Siskiyou Grasslake, summit, Highway 97, northeast of Weed. 0 Comment
  UC9495  Ranunculus gormanii Harley P. Chandler June, 1901 1552 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  HSC62284  Ranunculus orthorhynchus Al Hobart 1971-7-14 Siskiyou Youngs Valley 1220 Comment
  UC1025102  Ranunculus uncinatus Leo Whitney 1934-6-24 1851 Siskiyou near Tennant; Antelope Creek 1463 Comment
  POM268994  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  POM134115  Rhamnus purshiana John H. Thomas 1954-7-22 4452 Siskiyou Salmon-Trinity Mts, 6 miles SE of Cecilville betw Rush and Big Bend Creek, 0.25-0.5 miles N of S Fork of Salmon River. 945 Comment
  RSA390633  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  HSC36760  Rhododendron macrophyllum Brent Whiteley 1975-6-28 77 Siskiyou 915 Comment
  UCSB16775  Rhododendron macrophyllum Muller, Katherine 1954-6-23 Siskiyou Siskiyou Mt., 1 mi. below Hazel View Summit, 3 mi. NE of Idlewild 742 Comment
  CHSC86649  Rhododendron neoglandulosum Jenny Marr 1993-7-1 32 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC68581  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-6-23 976 Siskiyou W Fork Seiad Creek 878 Comment
  HSC26749  Rhus aromatica J. P. Smith, J. O. Sawyer 1971-9-18 4824 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC92405  Ribes aureum var. aureum Doris K. Kildale 1929-3-11 7762 Siskiyou Klamath River at Hornbrook. Comment
  HSC23686  Ribes binominatum J. O. Sawyer 1971-7-16 2433 Siskiyou Slope NE of Deep Lake 2165 Comment
  RSA0024870  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou East slope of Mt. Shasta, 1 mile W of Military Pass Rd., along rd. to Brewer s Cr. Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  HSC100038  Ribes inerme var. klamathense J. P. Smith, & J. O. Sawyer 2010-5-6 12824 Siskiyou Along Rd. 92K02, E of Copco. 823 Comment
  RSA0021105  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA0021150  Ribes lobbii J. T. Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC219272  Ribes nevadense John Thomas Howell 1937-7-22 13310 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC162061  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou near Shasta Springs Comment
  UC195251  Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 164 Siskiyou Jackson Lake 1798 Comment
  OBI2051  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  CDA25569  Ribes roezlii F. D. Horn 1977-4-21 Siskiyou Van Horn Creek, McAdams Creek Road, Fort Jones. 0 Comment
  RSA0018040  Ribes roezlii H. K. Wagnon, G. D. Barbe 1957-6-16 13127 -MSB Siskiyou Scott Mountains up to 1300. Comment
  CAS-BOT-BC200004  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Klamath National Forest. Little Soda Creek 1066 Comment
  HSC60105  Ribes roezlii var. cruentum M. A. Baker 1977-6-27 388 Siskiyou Happy Camp. Comment
  UC165933  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino Comment
  CAS-BOT-BC144514  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-24 8608 Siskiyou Southeast spur Preston Peak 1950 Comment
  CAS-BOT-BC144517  Ribes sanguineum var. sanguineum Alice Eastwood; John Thomas Howell 1937-6-26 5042 Siskiyou Salmon Mts. above Taylor Creek Comment
  RSA605519  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville. 1372 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-BC168795  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  CAS-BOT-BC168798  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  JEPS84057  Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6351 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  LA205491  Ribes viscosissimum W. B. C.; 1939-6-30 13570 Siskiyou Mount Shasta, near the source of MacBride Springs 1523 Comment
  CHSC111305  Robinia hispida Nick Otting; Dick Brainerd 2012-6-5 3375 Siskiyou Weed, Old Highway 99 at south end of town. Habitat: Disturbed soils in opening in mixed conifer forest. 1120 Comment
  JEPS109873  Rorippa columbiae Dean W. Taylor 2005-7-13 19395 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89); growing on USFS Road D that crosses the flat 0.2 road miles E of the Volcanic Scenic Byway 1402 Comment
  SBBG25913  Rorippa curvisiliqua D. Myrick 1966-8-9 1477 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC637097  Rosa Annetta Carter 1934-8-13 705 Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian (at edge of dry creek) 1371 Comment
  POM88252  Rosa californica Geo. D. Butler 1909-9-26 973 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC146750  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  HSC19382  Rosa gymnocarpa J. O. Sawyer 1968-6-25 347 Siskiyou Along Horse Range Creek 1646 Comment
  HSC19386  Rosa gymnocarpa J. O. Sawyer 1968-9-28 737 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC61514  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  HSC69390  Rosa gymnocarpa Maralyn A. Renner 1980-8-31 2660 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC60890  Rosa gymnocarpa W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC914728  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC58953  Rosa pisocarpa Marvin Butler 1971-7-21 198 Siskiyou Near Copper Mtn., close to the town of Cave Junction 1616 Comment
  RSA11802  Rosa pisocarpa Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC149736  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-16 1147 Siskiyou Sisson Comment
  POM366399  Rubus discolor Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  CAS-BOT-BC147325  Rubus parviflorus Alice Eastwood 1923-5-27 11943 Siskiyou Shasta Springs, on road to McCloud Comment
  CAS-BOT-BC157160  Rubus ursinus Doris K. Kildale 1929-8-23 8809 Siskiyou Young's Valley, on trail to Preston Peak Comment
  UC1483553  Rubus ursinus John Palmer 1980-8-12 713 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  UC163748  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River near mouth; Shasta River near mouth Comment
  UC829536  Rudbeckia klamathensis Alice Eastwood 1912-8-30 2047 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC363210  Rudbeckia occidentalis William M. Hiesey 1947-8-23 554 Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 miles north of the Klamath River (10 miles N.W. of Gottville). Along streamcourse of Beaver Creek 701 Comment
  UCD19426  Rudbeckia occidentalis J. DiTomaso 2001-7-24 s.n. Siskiyou N of Hwy 96 near Happy Camp. Comment
  JEPS74413  Rumex acetosella W. B. and V. G. Cooke 1974-8-20 49244 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  RSA105486  Rumex acetosella G. D. Barbe 1955-6-29 41 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  UC375326  Rumex acetosella Geo. D. Butler 1908-7-23 515 Siskiyou Yreka Comment
  UCR46263  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Disturbed roadside at Dunsmuir Comment
  HSC19447  Rumex acetosella J. O. Sawyer 1969-7-1 981 Siskiyou Above Paynes Lake Creek 1951 Comment
  UC164027  Rumex maritimus Geo. D. Butler 1910-9-12 1877 Siskiyou Butte Valley 1280 Comment
  RSA8226  Sagittaria cuneata Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain. Comment
  JEPS80592  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  RSA186320  Salix eastwoodiae Gilbert Muth 1966-10-16 4 Siskiyou Marble Mountains 1793 Comment
  UC1173606  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14397 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  CAS-BOT-BC107789  Salix hindsiana Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  CAS-BOT-BC107656  Salix jepsonii W. R. Dudley 1907-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mountains Comment
  RSA610753  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC481727  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  UC481728  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  UC576374  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1937-7-22 869 Siskiyou beyond head of Big Flat (near S. Fork Salmon R.) 1615 Comment
  UC481719  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  UC576394  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 833 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  UC481731  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  HSC19448  Salix scouleriana J. O. Sawyer 1969-6-10 796 Siskiyou S face near Sugar Lake 1829 Comment
  RSA238269  Salix scouleriana Frederick W. Oettinger 1969-8-22 1487 Siskiyou Between Pierce's Draw and Horse Range Lake lower meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Mable Mtn Wilderness. 1829 Comment
  SBBG57986  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City, at bridge, ca. 1.3 km E of Burney Mill 1110 Comment
  CAS-BOT-BC128971  Salix sitchensis John Thomas Howell 1937-7-25 13465 Siskiyou Caribout Basin, Salmon-Trinity Alps 2286 Comment
  RSA238008  Salix sitchensis Frederick W. Oettinger 1968-9-4 697 Siskiyou Slope SE of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1768 Comment
  RSA17699  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-5 9343 Siskiyou Capt. Jack s Ice Cave, Lava Beds National Monument Comment
  CAS-BOT-BC220803  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-8 9450 Siskiyou Summit of Sconchin [Schonchin] Butte, Lava Beds National Monument Comment
  CAS-BOT-BC220805  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-12 9533 Siskiyou Three Sisters, Lava Beds National Monument Comment
  UC618882  Salvia sonomensis unknown 1938-6-17 11027 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC642562  Sambucus mexicana W. Bridge Cooke 1939-6-30 13566 Siskiyou near outlet of MacBride Springs; Mount Shasta Comment
  CAS-BOT-BC238891  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1938-6-24 11087 Siskiyou Mount Shasta. MacBride Springs Comment
  JEPS45510  Sanguisorba annua W. L. Jepson July 1894 13862 Siskiyou Sisson Comment
  RSA47665  Sanguisorba annua Roxana S. Ferris, L. Lorraine 1948-6-12 11816 Siskiyou E fork of Scott River Drainage. Parker Ranch. Plowman's [Noyes] Valley. 1204 Comment
  SEINET11918953  Sanguisorba annua H. M. Hall, Babcock, E. B. 1903-1 4046 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1036 Comment
  UC165381  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  UCR37841  Sanicula graveolens L. P. Janeway 1983-8-6 493 Siskiyou Poker Flat. W part of lower portion of meadow 1529 Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  RSA42328  Sanicula graveolens Lincoln Constance, R. Shan 1946-5-31 3059 Siskiyou East bank of Sacramento river at Dunsmuir 701 Comment
  UC991120  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on the outskirts Mount Shasta town; town of Mount Shasta Comment
  HSC27476  Sarcodes sanguinea J. P. Smith, J. O. Sawyer 1972-5-28 5375 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  JEPS13174  Saussurea americana Louis C. Wheeler 1934-8-14 3146 Siskiyou s side White Mt.; Siskiyou Mts., White Mt. 1737 Comment
  UCR66599  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou Siskiyou Mtns., S side of White Mtn 1738 Comment
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  UC722711  Saxifraga mertensiana C. L. Hitchcock, J. S. Martin 1939-7-9 5316 Siskiyou between King's Castle and Black Mountain 1828 Comment
  RSA238323  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice S of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  JEPS25649  Saxifraga odontoloma Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7289 Siskiyou beside rill at Poker Flat 1536 Comment
  UCR52361  Saxifraga tolmiei K. Berg, Stephanie Bennett 1986-8-25 648 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  CAS-BOT-BC445883  Saxifragopsis fragarioides C. G. Pringle 1909-7-15 897 Siskiyou Highland Mine 1828 Comment
  UC530061  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole; Siskiyou Mts., Alex Canyon 1889 Comment
  CDA32669  Schedonnardus paniculatus Don Shaw 1980-8-5 Siskiyou Don Shaw Property, Ager Road, Montague 0 Comment
  RSA239119  Schedonorus pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS63801  Scirpus acutus var. occidentalis B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley, Gazelle Comment
  HSC30683  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1290 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog due E of English Lake outlet 1829 Comment
  POM116868  Scirpus congdonii Geo D. Butler 1910-7-9 1696 Siskiyou Shackleford Creek. 1220 Comment
  SEINET7592335 Image available Scirpus congdonii Frederick W. Oettinger 1968-1 357 Siskiyou Common on E side of Diamond Lake near outlet. High lake basins in the vicinity of English Peak Marble Mountain Wilderness area. 2073 Comment
  HSC71109  Scirpus microcarpus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4501 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  HSC30680  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Upper English Lake 1768 Comment
  RSA14332  Scirpus microcarpus Elmer I. Applegate 1895-5-28 764 Siskiyou Sisson, Strawberry Valley. Comment
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  POM43114  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  CHSC62563  Scutellaria antirrhinoides L. P. Janeway 1993-8-30 4571 Siskiyou Along Gumboot Creek just below Gumboot Lake. 1844 Comment
  JEPS62910  Scutellaria antirrhinoides Geo. D. Butler 1908-6-29 175 Siskiyou Cherry Creek Comment
  POM69573  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek. Comment
  CHSC71486  Scutellaria galericulata Vernon H. Oswald; Lowell Ahart 1998-7-21 9350 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  JEPS94880  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); along Old State Highway on the w side of Bray 1417 Comment
  UC1112881  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou road cut just s of Week Comment
  CAS-BOT-BC64656  Sedum kiersteadiae Wm. Bridge Cooke 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. 1676 Comment
  RSA0078509  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy. 2134 Comment
  CAS-BOT-BC59186  Sedum lanceolatum John Thomas Howell 1966-7-25 15170 A Siskiyou Black Mt., Marble Mts. Comment
  HSC76641  Sedum lanceolatum var. lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  JEPS105134  Sedum laxum subsp. flavidum Dean W. Taylor 1996-7-12 15794 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC61473  Sedum laxum subsp. laxum G. P. Rixford s.n. Siskiyou Hilt Comment
  UCD77119  Sedum obtusatum Robert E. Preston 2001-6-30 1648 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1828 Comment
  CHSC459  Sedum obtusatum subsp. boreale M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  UC630383  Sedum obtusatum subsp. boreale Annetta Carter 1939-8-21 1467 Siskiyou 12 mi sw Etna (steep slope above se end Taylor Lake, Salmon Mountains); Salmon Mountains, Taylor Lake, sw of Etna 2164 Comment
  UC831036  Sedum obtusatum subsp. boreale W. B. Cooke 1942-7-2 16366 Siskiyou near base Mud Creek Canyon; Mount Shasta, near base Mud Creek Canyon 1676 Comment
  CAS-BOT-BC64639  Sedum obtusatum subsp. boreale Robert Theodore Clausen; Harold Trapido 1940-7-26 4952 Siskiyou East side of Mud Creek Canyon, Mt. Shasta. 1706 Comment
  SEINET10449669  Sedum obtusatum subsp. boreale Mary Susan Taylor 1980-7-8 Taylor 3116 A Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  HSC19546  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1850 Siskiyou S of Sugar Lake 2134 Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  UC1258460  Sedum radiatum Maralyn A. Renner 1980-7-23 1822 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  JEPS81635  Sedum rosea subsp. integrifolium Roger Raiche 1982-7-7 20576 Siskiyou Alex Hole Siskiyou Mts., Alex Hole (at center of hole near campground, Siskiyou Mts.) 1950 Comment
  UC166614  Sedum spathulifolium Geo. D. Butler 1908-8-21 498 Siskiyou Etna Creek Comment
  HSC76686  Sedum stenopetalum K. T. Stillman 1976-7-30 321 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA0035471  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  JEPS19024  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Salmon Range 1828 Comment
  RSA629724  Selaginella wallacei Louis Cutter Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  RSA641068  Selaginella wallacei Louis Cutter Wheeler 1963-9-11 8388 Siskiyou Siskiyou Mountains: Elk Hole, Dillon Creek. . Comment
  UC128665  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou near Sisson Comment
  CDA8579  Senecio aronicoides T. C. Fuller 1962-6-11 8958 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  CAS-BOT-BC363742  Senecio hydrophilus T. C. Fuller 1958-9-12 s.n. Siskiyou 5 mi. s. of Yreka Comment
  UCR93348  Senecio integerrimus Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  HSC82291  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1979-6-15 4824 Siskiyou Trinity-Siskiyou county line; at the head of Scott Mt. Creek at Scott Mt. Campground 1646 Comment
  CAS-BOT-BC364441  Senecio triangularis Doris K. Kildale 1929-8-24 9040 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UC618693  Senecio triangularis W. Bridge Cooke 1938-9-8 11678 Siskiyou along the creek and lower meadow below the middle meadow Panther Creek Meadow (Mount Shasta); , Panther Creek Meadow 2286 Comment
  JEPS25663  Senecio triangularis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7306 Siskiyou 4 air mi nne Preston Peak (just e of Del Norte County line, watershed of Indian Creek, meadow at Twin Valley); Siskiyou Mts., Twin Valley, Indian Creek 1493 Comment
  UC34808  Sericocarpus oregonensis subsp. oregonensis Brewer 1432 Siskiyou Strawberry Hill Mt. Shasta 1066 Comment
  UC196948  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Dooryand> Comment
  CHSC99727  Shepherdia canadensis L. P. Janeway 2008-7-23 9462 Siskiyou Klamath Ranges. The Eddys/Scott Mountains; along small tributary from the west to Parks Creek; above Road 17 8.0 road km south of Stewart Springs Road. 1747 Comment
  RSA448559  Sidalcea Chadwick, Mrs. Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  JEPS105152  Sidalcea asprella Dean W. Taylor 1993-7-30 13987 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 mi E of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  HSC69023  Sidalcea malviflora Maralyn A. Renner 1980-7-24 2009 Siskiyou Lily Pad Lake Comment
  OBI55470  Sidalcea oregana subsp. spicata David J. Keil, Kathleen Keil 1992-7-21 23535 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  UCD77297  Sidalcea oregana subsp. spicata Robert E. Preston 2003-7-28 2163 Siskiyou ca. 17.3 mi NE of McCloud, at Trout Creek Campground 1486 Comment
  HSC67837  Silene bernardina J. O. Sawyer, J. Cole 1980-7-22 3915 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS84224  Silene bernardina L. R. Heckard with J. Hickman et al. 1986-7-17 6499 Siskiyou ca 14.5 mi from Hwy 96 Walker (near Dry Lake, Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  CAS-BOT-BC181197  Silene campanulata subsp. glandulosa L. B. Kildale 1930-6-1 9778 Siskiyou Black Bear Trail to Sawyers Bar Comment
  JEPS84222  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  UC1096831  Silene campanulata subsp. glandulosa Milo S. Baker 1957-6-16 13151 Siskiyou Trip to Scott Mts. from Turn off near Callahan; North Coast Ranges, trip to Scott Mts. Comment
  CAS-BOT-BC387059  Silene douglasii W. B. Cooke; V. G. Cooke 1965-7-12 35180 Siskiyou Bolam road, Mt Shasta 1524 Comment
  JEPS44102  Silene douglasii W. B. and V. G. Cooke 1965-7-12 35180 Siskiyou Mt. Shasta Mt. Shasta (Bolam Road) 1524 Comment
  SD61046  Silene douglasii Darley F. Howe 1964-8-4 3935 Siskiyou 9.0 miles south from entrance to Modoc National Forest on road to Medicine Lake. 2040 Comment
  UC1540254  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou 2 mi se from Medicine Lake (moist meadow margin near head of easternmost spring); Paynes Springs, se from Medicine Lake 1996 Comment
  CAS-BOT-BC388951  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  HSC92644  Silene grayi Jennifer Whipple 1976-7-9 1398 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 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
  CAS-BOT-BC389422  Silene lemmonii Roxana S. Ferris; Laura Lorraine 1948-6-12 11735 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC389426  Silene lemmonii Wm. Bridge Cooke 1938-7-1 11126 Siskiyou Mount Shasta. Near Bear Springs Comment
  UC144461  Silene lemmonii A. A. Heller 1905-6-15 8036 Siskiyou near Sisson; near Sisson Comment
  HSC99987  Silene lemmonii Thomas W. Nelson 2005-7-16 9379 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  UC8481  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  UC165960  Silene noctiflora Geo. D. Butler 1910-8-12 1825 Siskiyou Yreka Creek Comment
  CAS-BOT-BC175054  Silene suksdorfii Wm. Bridge Cooke 1938-9-8 11648 Siskiyou North side of Red Butte 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
  HSC44727  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  SEINET10589337  Sitanion A. Arthur Heller 1920-6-20 Heller 13387 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. 1158 Comment
  UC666974  Smilacina racemosa Joseph P. Tracy 1935-8-1 14408 Siskiyou on ridge between Salmon River and New River (at extreme head of creek); Rock Lake, Knownothing Creek 1889 Comment
  UC1409318  Smilacina stellata Frederick W. Oettinger 1968-8-6 428 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (se corner, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  JEPS62161  Smilax californica W. L. Jepson 1914-8-14 6173 Siskiyou Dunsmuir 670 Comment
  JEPS107961  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCD40897  Solanum dulcamara R. Rhode 1983-5-26 22 Siskiyou At Highway 96 and Interstate 5 on the banks of the Klamath River. 701 Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  CAS-BOT-BC157012  Solanum umbelliferum E. I. Applegate 1898-5-15 2137 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  UC36240  Solidago elongata State Survey 1426 Siskiyou Probably on Mt. Shasta Comment
  UC637151  Solidago elongata Edward Lee 1934-8-12 1046 Siskiyou 1/4 mi w of mouth Walker Creek (a tributary of the Klamath River (e end of Seiad Valley)) 426 Comment
  HSC6196  Solidago multiradiata D. M. Thomson 1965-8-14 193 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  CAS-BOT-BC365247  Solidago velutina subsp. californica Edward Lee 1934-8-12 1046 Siskiyou 1/4 mile west of mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 426 Comment
  CDA7673  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CDA7676  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  JEPS107656  Sonchus asper subsp. asper Lowell Ahart, John Dittes 2005-6-10 12117 Siskiyou At 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-BC157323  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  RSA300519  Sorbus californica John Dourley, Walter Wisura 1982-10-16 3876 Siskiyou Castle Lake. SW of the town of Mt. Shasta. 1646 Comment
  UC154508  Sorbus californica Harley P. Chandler June, 1901 1633 Siskiyou near Marble Mountain (Klamath River to); North Coast Ranges 2133 Comment
  CAS-BOT-BC158939  Sorbus scopulina Doris K. Kildale 1928-8-18 6453 Siskiyou Lead of north fork of Salmon River at Finley's Upper Camp Comment
  HSC29500  Sorbus scopulina Frederick W. Oettinger 1968-8-13 501 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  SEINET11919140  Sorbus scopulina J. P. Tracy 19478 Siskiyou in openings in woods,summit of the Siskiyous at crossing of the Takilma-Happy Camp Road 244 Comment
  UC1409334  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1968-8-13 501 Siskiyou Lake shore south inlet to Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  HSC29329  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  RSA145150  Sparganium angustifolium Dorothy Parker 1960-9-10 791 Siskiyou Trail to Gulch Lake, Salmon Mountains. 2012 Comment
  UCD170026  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Siskiyou Mountains, Miller Glade. 1828 Comment
  JEPS84262  Spiraea densiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6356 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  CAS-BOT-BC149682  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between/near Igerna and Weed Comment
  CAS-BOT-BC149686  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  CHSC26173  Spiraea douglasii J. P. Kroessig 1977-8-6 60 Siskiyou Big Castle Lake, ca 8.8 km wnw of Dunsmuir. 1700 Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  CAS-BOT-BC152559  Spiraea splendens John Thomas Howell 1937-7-29 13671 Siskiyou North side of Scott Mt. Comment
  HSC81747  Spiraea splendens var. splendens Thomas W. Nelson, Jane P. Nelson 1980-7-20 6187 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC85692  Spiranthes romanzoffiana J. P. Smith 1980-8-24 10341 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  JEPS84073  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6367 Siskiyou ca. 1/2 mi e Red Butte Summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  HSC2401  Stachys rigida William J. Ferlatte 1966-8-18 414 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's 1524 Comment
  CAS-BOT-BC391220  Stellaria longipes subsp. longipes A. A. Heller 1920-6-27 13397 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UCR131615  Stenanthium occidentale L. C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  RSA202368  Stenanthium occidentale J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  UC917271  Stephanomeria lactucina R. Tofsrud and J. M. Tucker 1948-8-4 1784 Siskiyou ca 1.5 mi nw McCloud Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC19239  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1545 Siskiyou West of High Lake 2256 Comment
  HSC92557  Stipa occidentalis var. occidentalis Jennifer Whipple 1977-7-20 2004 Siskiyou Mt. Eddy, N slopes 2317 Comment
  CHSC4552  Streptanthus J. E. Bowlin 1967-7-18 70 Siskiyou Beside road, ca. 2.7 mi w of Mount Shasta Ski Bowl. 2194 Comment
  UC1282026  Streptanthus barbatus Louise Kellogg Aug 8 1953-Aug 9 1953 127 Siskiyou serpentine outcrop near Scott Mountain Public Campground; Scott Mountains, Klamath National Forest, Blue Point 1630 Comment
  CAS-BOT-BC87839  Streptanthus tortuosus Alice Eastwood 1912-7-23 1342 Siskiyou Cantara. Comment
  CAS-BOT-BC87856  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Above Horse Camp and around the Horse Camp fountain overflow. 2438 Comment
  POM266084  Streptanthus tortuosus C. L. Hitchcock, J. P. Martin 1939-7-7 5281 Siskiyou On side of Sanger Pk. 1646 Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  UCD116312  Streptanthus tortuosus Robert E. Preston 1984-7-26 496 Siskiyou Mt. Shasta Ski Bowl. 2316 Comment
  HSC99988  Streptanthus tortuosus var. oblongus Thomas W. Nelson 2005-7-16 9376 Siskiyou Along Etna-Forks of Salmon Rd., 1.5 mi. from Forks of the Salmon. 399 Comment
  UC1601623  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-7-23 1342 Siskiyou Cantara Comment
  HSC61929  Streptopus amplexifolius Ruby Van Deventer 14 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  HSC69576  Streptopus amplexifolius Maralyn A. Renner 1980-8-6 2258 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC92954  Stuckenia filiformis subsp. alpina Jennifer Whipple 1977-8-6 2199 Siskiyou Dobkins Lake 2058 Comment
  CAS-BOT-BC245835  Symphoricarpos C. Hart Merriam 1919-10-12 s.n. Siskiyou Etna, Scott Valley Comment
  CAS-BOT-BC245847  Symphoricarpos W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains Comment
  RSA498175  Symphoricarpos Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC18990  Symphoricarpos mollis J. O. Sawyer 1969-7-24 1460 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  CAS-BOT-BC245769  Symphoricarpos rotundifolius Elmer I. Applegate 1935-6-10 9482 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  RSA507782  Symphyotrichum J. C. Semple, S. Heard 1986-8-14 8450 Siskiyou Siskiyou A-10 on Mt. Shasta 2256 Comment
  CAS-BOT-BC97886  Symphyotrichum eatonii Alice Eastwood 1922-10-18 11513 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97891  Symphyotrichum eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara, Sisson Comment
  CAS-BOT-BC97948  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  HSC77012  Symphyotrichum hendersonii K. T. Stillman 1976-7-7 167 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  UC562937  Symphyotrichum spathulatum Elmer I. Applegate 1923-8-19 3896 Siskiyou Medicine Lake, margin of lake Comment
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  UCD78036  Taraxacum officinale Robert E. Preston 2001-6-30 1634 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  CAS-BOT-BC81346  Taxus brevifolia Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  HSC36733  Taxus brevifolia Brent Whitely 1975-6-28 84 Siskiyou 915 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
  UC667974  Taxus brevifolia Joseph P. Tracy 1935-8-1 14418 Siskiyou 1 mi e Salmon Summit Mine (cirque at head of Knownothing Creek); Knownothing Creek 1767 Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC18991  Tellima grandiflora J. O. Sawyer 1969-7-18 1386 Siskiyou Near South Russian Creek 1890 Comment
  UC169418  Tetrapteron graciliflorum Thomas Howell May 1889 Siskiyou Hornbrook Comment
  SEINET10735477 Image available Thelypodium brachycarpum Harvey M. Hall, Ernest B. Babcock Hall 4092 Siskiyou Shasta Valley 914 Comment
  UCD93359  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  CHSC71476  Thlaspi arvense Vernon H. Oswald; Lowell Ahart 1998-7-21 9322 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Roadside. 1524 Comment
  JEPS82673  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow, Campsite); Cabin Meadow (sw of Stewart Springs) 1798 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC165981  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mountain Comment
  RSA757026  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  SD211498  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City; damp ground in partial shade along creek, where several forks join before steep drop 1829 Comment
  UC642566  Tofieldia occidentalis subsp. occidentalis W. Bridge Cooke 1939-7-7 13611 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC1951319  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne and Fred Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Wet meadow 0.2 miles N of Tobacco Lake. Comment
  UCD102966  Tolmiea diplomenziesii G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3274 Siskiyou Along Klamath River, at Swillup Creek Ranger Station. 256 Comment
  RSA141252  Tolmiea menziesii G. Ledyard Stebbins, A. A. Beetle 1942-6-1 3274 Siskiyou Along Klamath River, at Swillup Creek Ranger Station. 256 Comment
  JEPS31007  Tonella tenella D. E. Breedlove 1962-6-10 3283 Siskiyou 22.0 mi nw Happy Camp (on sw slope of Little Grayback Mountain, along Indian Creek Road from O'Brien to Happy Camp); Siskiyou Mountains, Little Grayback Mountain 1524 Comment
  RSA47984  Tonella tenella Roxana S. Ferris, Laura Lorraine 1948-6-12 11779 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  OBI81674  Torilis arvensis Tracey Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath river 1/4 mile east of mouth of Beaver Creek Comment
  POM198423  Torreyochloa pallida var. pauciflora Geo D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek. 1220 Comment
  HSC6298  Tragopogon dubius R. C. Wunner 1965-7-1 318 Siskiyou California Lava Beds National Monument; near the top of Gillems Bluff Trail 1372 Comment
  UCD78041  Trichostema simulatum Robert E. Preston 2002-6-22 1886 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89 958 Comment
  SEINET3164071  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  POM28069  Trifolium cyathiferum Geo. D. Butler 1910-6-3 1473 Siskiyou Quartz Valley. Comment
  CHSC4556  Trifolium dubium J. E. Bowlin 1967-7-18 60 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CAS-BOT-BC219041  Trifolium howellii Doris K. Kildale 1929-8-24 9081 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  RSA349096  Trifolium kingii M. B. Dunkle 1945-08 9290 Siskiyou Klamath National Forest Marble Mts. Comment
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  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  RSA184745  Trifolium longipes var. shastense Gilbert Muth 1966-8-3 s.n. Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  JEPS75361  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka (McNutty's field) Comment
  HSC794  Trifolium productum William J. Ferlatte 1967-7-9 697 Siskiyou Kidd Creek Trail 1982 Comment
  UC631206  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC866984  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  POM28356  Trifolium siskiyouense Edward Palmer 1892-7-13 2510 Siskiyou Mt. Shasta and vicinity. Comment
  SEINET10829874  Trifolium wormskioldii var. wormskioldii Louis C. Wheeler 1935-6-27 Wheeler 3620 Siskiyou Greenview, Scott Valley. Damp sunny meadow. 884 Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  HSC66231  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-15 1761 Siskiyou English Lake inlet 1780 Comment
  RSA183649  Trillium ovatum subsp. oettingeri Gilbert Muth 1965-8-12 213 Siskiyou Marble Mountain; trail to Black Mountain 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-BC200090  Trisetum canescens W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. 1981 Comment
  POM352884  Trisetum spicatum Anonymous 1908-07 9205 Siskiyou Marble Mountains. Black Marble Mtns. Comment
  UCD78066  Trisetum spicatum Robert E. Preston 2001-8-26 1769 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  UC1586939  Triteleia Juha Pykala and D. H. Norris 1987-6-26 2117 Siskiyou 0 to 3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Area Comment
  HSC69718  Tsuga mertensiana Maralyn A. Renner 1980-7-16 1795 Siskiyou Hancock Lake inlet 1951 Comment
  RSA571786  Tsuga mertensiana L. C. Wheeler 1934-9-1 3237 Siskiyou Mud Springs, Middlehell Creek. 1890 Comment
  CAS-BOT-BC74105  Turritis glabra Milo S. Baker 1925-4-8 254 a Siskiyou Highway East Blue Lakes. Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  SEINET7040104  Vaccaria hispanica A. G. Vestal 1963-6-1 s.n. Siskiyou 2.8 miles north of Montague. Hawkinsville Quad. UTM Zone 10, 539617mE, 4625157mN. Comment
  CHSC608  Vaccinium cespitosum M. Yoder 1941-6-28 Siskiyou Castle Lake. 2133 Comment
  HSC19519  Vaccinium cespitosum J. O. Sawyer 1969-7-7 1068 Siskiyou NE facing lower slope above Little Duck Lake 2049 Comment
  HSC19528  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1728 Siskiyou W of Little Duck Lake 2195 Comment
  HSC68332  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1239 Siskiyou SE edge of Flint Valley. 1390 Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  CAS-BOT-BC199234  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Johnson Dairy, Siskiyou Mts. 1645 Comment
  HSC98189  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1769 Siskiyou W of Little Duck Lake 2073 Comment
  CHSC32719  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  RSA8228  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River watershed. Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  HSC19341  Vaccinium scoparium J. O. Sawyer 1969-7-9 1277 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  HSC19527  Vaccinium scoparium J. O. Sawyer 1969-8-5 1735 Siskiyou W of Little Duck Lake 2073 Comment
  HSC30619  Vaccinium uliginosum Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake, Salmon Mountains 1418 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
  RSA238823  Valeriana sitchensis subsp. scouleri Frederick W. Oettinger 1968-8-6 425 Siskiyou At the SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA237913  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou Bear Meadow near Tom Tyler [Taylor] Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UCSB14918  Verbascum blattaria Breedlove, Dennis 1962-6-11 Siskiyou Scott River, 3.5 miles south of Scott Bar 609 Comment
  UC882795  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Oak Knoll Ranger Station; Siskiyou Mts, Klamath River 670 Comment
  POM69590  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1910-7-2 1621 Siskiyou Near Yreka. Comment
  UCR70828  Veronica catenata L. R. Heckard 1971-8-28 2782 Siskiyou Under and east of bridge across Shasta River, about 5 mi north of Yreka on Old U.S. Hwy 99 732 Comment
  HSC90873  Veronica catenata L. R. Heckard, Peter Rubtzoff 1971-8-2 2699 Siskiyou Grain field area along Meese Lake-Sams Nech Rd., 2.2 mi. W of Macdoel 1280 Comment
  HSC49933  Veronica copelandii Gilbert Muth 1978-8-2 7064 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 2048 Comment
  JEPS84019  Veronica copelandii L. R. Heckard with J. Hickman et al. 1986-7-17 6459 Siskiyou 5 mi n of the town of Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake) 1940 Comment
  UC138882 Image available Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy; ; Mt. Eddy, Siskiyou Co. Comment
  UCR143209  Veronica persica L. C. Wheeler 1935-4-17 3425 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 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
  SEINET7367337  Vicia americana G. D. Butler 1910-5-30 1440 Siskiyou Humbug Mountain 1219 Comment
  HSC68542  Vicia americana var. americana Maralyn A. Renner 1980-6-25 1086 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  SFV5179  Vicia americana var. americana B. C. Templeton 1960-6-21 8651 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment