Search Results — 2000 specimen records retrieved (1373 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78129  Abies X shastensis G. B. Grant 1902-7-16 s.n. Siskiyou Alta Meadow Comment
  RSA0091807  Abies concolor Bonnie C. Templeton 1968-6-13 11329 Siskiyou Near Castle lake. 1981 Comment
  RSA0091810  Abies concolor Bonnie C. Templeton 1968-6-13 11333 Siskiyou About 5 miles s.w. of Mt. Shasta. Scott Camp Creek. 1585 Comment
  HSC24054  Abies lasiocarpa J. O. Sawyer 1971-7-14 2423 Siskiyou Junction of Sky High Lake and Shackleford trails 1921 Comment
  HSC4984  Abies lasiocarpa J. O. Sawyer 1968-7-9 754 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  HSC4999  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou N of Russian Lake 2149 Comment
  HSC81891  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-20 Siskiyou E side of Virginia Lake Comment
  RSA537381  Acer circinatum Walter Wisura, J. Romero 1991-10-16 4591 Siskiyou 3.8 miles from north end of Dusmuir along old road to town of Mt. Shasta Comment
  UC618775  Acer glabrum var. glabrum W. Bridge Cooke 1938-6-17 11003 Siskiyou Sisson Southern Trail , Mount Shasta (a grove surrounds the spring near the trail) Comment
  CAS-BOT-BC331018  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Watershed of West Branch of Indian Ceek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  JEPS80656  Acer glabrum var. torreyi W. B. and V. G. Cooke 1977-9-25 54884 Siskiyou on roadside bank above Mud Creek Dam Road Mt. Shasta (Mt. Shasta) 1676 Comment
  RSA237829  Acer glabrum var. torreyi Frederick W. Oettinger 1968-8-7 435 Siskiyou On east side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC165964  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek Comment
  UC933376  Acer macrophyllum Annie M. Alexander and Louise Kellogg 1948-9-14 5619 Siskiyou Canyon Creek , branch of Scott River (branch of Scott River) 914 Comment
  CDA35547  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2621 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  HSC160  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Big Flat, near public campground 1524 Comment
  UC890994  Achillea millefolium unknown 1915-8-26 Siskiyou Mt. Eddy 1828 Comment
  RSA211508  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin. 1982 Comment
  HSC29268  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Marble Mtn. Wilderness Area, near gap between Tom's Lake Basin and Tobacco Lake Basin 1829 Comment
  SEINET12093091  Achlys triphylla F. H. Utech 1986-1 86 -477 Siskiyou Klamath National Forest, West Branch Recreation Area, ca 12 mi NE of Happy Camp 1000 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC60168  Achnatherum occidentale subsp. californicum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  RSA603758  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1935-6-27 3606 Siskiyou Head Etna Creek, Marble Mts. 1799 Comment
  UC563985  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave Lava Beds National Monument Comment
  UCD51439  Achnatherum thurberianum L. Whitney 1934-6-27 s.n. Siskiyou 30 miles SW of Tennant. 1371 Comment
  SEINET11696160  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou State Hwy 97, 12 mi NE of Weed Comment
  SEINET6700613 Image available Achyrachaena mollis G. D. Butler 1910-5-8 1312 Siskiyou Near Yreka Comment
  CHSC75712  Acmispon nevadensis var. nevadensis Vernon H. Oswald; Lowell Ahart 1999-7-5 9812 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy. 1524 Comment
  UCD104269  Acmispon nevadensis var. nevadensis R. Tofsrud; J. M. Tucker 1948-8-2 1756 Siskiyou Outskirts of McCloud. Comment
  JEPS60369  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackelford Creek, Log Lake 1524 Comment
  UC635110  Aconitum columbianum Dorothy Tebbe 1929-7-7 14 Siskiyou Mt. Eddy just above Dobkins; Mt. Eddy 1219 Comment
  HSC35  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-19 436 Siskiyou Kidd Creek Trail 1890 Comment
  CAS-BOT-BC391533  Aconitum columbianum subsp. columbianum A. A. Heller 1927-8-1 14433 Siskiyou At the State Teachers College, near Shasta City (Sisson) 1074 Comment
  RSA238290  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1967-8-17 28 Siskiyou Alder thicket along trail on SE side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC61848  Aconogonon davisiae Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC413843  Aconogonon davisiae J. M. Tucker 1948-8-2 1760 Siskiyou Panther Meadows, Mt. Shasta 2407 Comment
  SJSU10647  Aconogonon newberryi C. L. Kline 1965-7-13 201 Siskiyou above Horse Camp on S slope Mt Shasta 2468 Comment
  HSC67676  Aconogonon phytolaccifolium John Palmer 1980-7-24 597 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC30406  Aconogonon phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  UC618887  Actaea rubra W. Bridge Cooke 1938-8-19 11530 Siskiyou Big Bear Springs meadow and Sisson Southern Trail Spring (6500 ft) Mt. Shasta Comment
  HSC58867  Adenocaulon bicolor Marvin Butler 1971-7-29 234 Siskiyou Near Copper Mountain Mines, close to the town of Cave Junction 1464 Comment
  UC1483405  Adiantum aleuticum Maralyn A. Renner 1980-6-24 1005 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by FS Rd 48N20); Klamath Nat'l Forest, Seiad Valley Quadrangle 1021 Comment
  UC160809  Adiantum aleuticum Dr. E. B. Copeland 1903-9-6 3859 Siskiyou Mt Eddy 1463 Comment
  UCD69126  Adiantum aleuticum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  CHSC91255  Aegilops cylindrica Lowell Ahart; John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  HSC102716  Aegilops cylindrica J. P. Smith 2013-6-18 13749 Siskiyou S. Main Street in Yreka. 838 Comment
  OBI4708  Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Ca. 4 mi E of Montague Comment
  SEINET515849  Agastache parvifolia Vernon Oswald 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  JEPS83873  Agastache urticifolia Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Vicinity Cook and Green Pass 1706 Comment
  POM252837  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  RSA183725  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Valley. Marble Mtns. Comment
  UCD35438  Ageratina occidentalis Beecher Crampton 1956-8-21 3843 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  CAS-BOT-BC29450  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Siskiyou Mountains 1981 Comment
  UCD128554  Ageratina occidentalis H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  HSC4755  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou N side of Caribou Mtn. 1921 Comment
  JEPS74564  Agoseris aurantiaca var. aurantiaca W. J. Ferlatte 1966-8-5 322 Siskiyou slope on n side Caribou Mtn.; Trinity Alps, Caribou Mtn. 1920 Comment
  POM56238  Agoseris glauca var. dasycephala Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills. 1524 Comment
  HSC2258  Agoseris glauca var. glauca Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills; elev. 5000 ft 1524 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
  UC163883  Agoseris grandiflora var. grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Yreka Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UC904779  Agoseris monticola W. Bridge Cooke 1949-8-22 25604 Siskiyou South Gate (Mt. Shasta) Mount Shasta 2590 Comment
  UC891276  Agoseris retrorsa Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC126998  Agrostis exarata John Thomas Howell 1939-8-10 15250 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239096  Agrostis exarata Frederick W. Oettinger 1969-8-22 1499 Siskiyou North side of Horse's Hole Meadows, Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD35435  Agrostis exarata Beecher Crampton 1956-8-21 3838 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  POM207150  Agrostis hallii E. B. Copeland 1903-8-17 3903 Siskiyou Mount Eddy. 1220 Comment
  UCSB51223  Agrostis humilis Almanza, Ed 1976-7-13 Siskiyou McBride Campground; Mt Shasta 1493 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UCD18949  Agrostis idahoensis A. H. Murphy 1954-8-11 54 A Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  CAS-BOT-BC138941  Agrostis pallens Doris K. Kildale 1928-8-19 6515 Siskiyou English Lake, head of north fork of Salmon River. 1828 Comment
  CHSC69847  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Salmon Mountains Western Siskiyou County. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Bear Meadow near Tom Taylor's Cabin. 2164 Comment
  HSC22420  Agrostis pallens J. O. Sawyer 1969-8-2 1723 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  SEINET7594101 Image available Agrostis pallens F. W. Oettinger 1969-1 1456 Siskiyou between King Davids Peak and Abbotts basin, Salmon Mountains 1905 Comment
  UC1265384  Agrostis scabra Frederick W. Oettinger and R. F. Thorne 1969-8-4 1169 Siskiyou vincinity English Peak (outlet to Hancock Lake); Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1889 Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  HSC30451  Agrostis thurberiana Frederick W. Oettinger 1969-8-19 1457 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  CAS-BOT-BC138476  Agrostis variabilis Elmer I. Applegate 1923-8-17 3838 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC459434  Allium acuminatum L. R. Short 1933-6-16 31 Siskiyou Klamath Forest 762 Comment
  RSA577792  Allium acuminatum L. C. Wheeler 1935-5-11 3489 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET3883864  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Above the dirt rd. running nw. from Hilt, 4.8 mi. nw. of Interstate #5 at the HIlt exit.; 0 Comment
  UCD77310  Allium campanulatum Robert E. Preston 2002-6-20 1835 Siskiyou Klamath National Forest, Rainbow Mountain, 1911 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  HSC91453  Allium falcifolium Jennifer Whipple 1976-7-1 1225 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC469238  Allium falcifolium Alice Eastwood 1923-5-29 12003 Siskiyou Cantara [historical town] Comment
  CAS-BOT-BC469247  Allium falcifolium Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  RSA367096  Allium falcifolium Christopher Davidson 1975-6-5 2663 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC132142  Allium siskiyouense L. E. Smith 1914-4-20 637 Siskiyou Yreka Comment
  HSC61855  Allium validum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  SEINET3879909  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Etna quad. Meadow behind Horseshoe Lake.; 0 1920 Comment
  HSC27686  Allotropa virgata Carl W. Mize 1979-6-8 43 Siskiyou 335 Comment
  CAS-BOT-BC171413  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  RSA299414  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson. 1098 Comment
  SEINET231470  Alnus incana subsp. tenuifolia E. P. Boyle 1946-8-9 45 Siskiyou W Carson Sorensen's 2134 Comment
  CAS-BOT-BC171415  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton Comment
  CAS-BOT-BC169379  Alnus viridis subsp. sinuata Wm. Bridge Cooke 1939-8-10 13862 Siskiyou around springs on the walls of the Mud Creek Canyon from the Hudsonian to the Transition Zones. Mount Shasta 2133 Comment
  HSC45042  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-20 3274 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  SEINET3917663  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River 2 miles west of Seiad Creek.; 0 518 Comment
  CHSC38086  Alyssum alyssoides R. E. Preston; L. E. Preston 1983-6-9 391 Siskiyou Grass Lake Rest Area. 1542 Comment
  JEPS96808  Alyssum alyssoides Dean W. Taylor 1999-6-9 17243 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC18593  Alyssum alyssoides Dorothy Parker 1948-6-12 s.n. Siskiyou Parker Ranch, Plowman's Valley. Comment
  RSA477429  Alyssum alyssoides Edwin Kline 1920-6-24 14849 Siskiyou Siskiyou Mts. Comment
  HSC26758  Amaranthus californicus J. P. Smith, J. O. Sawyer 1971-9-18 4822 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  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
  HSC101840  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13177 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC136904  Amelanchier utahensis Ella Dales Cantelow 1936-5-20 1397 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC136907  Amelanchier utahensis L. E. Smith 1913-5-27 284 Siskiyou Weed Comment
  SEINET10898751  Amelanchier utahensis Katherine L. Morris 1973-5-25 Morris 268 Siskiyou 20.7 miles e of mccloud on hwy 89 in an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  CDA40467  Amsinckia menziesii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2582 Siskiyou Around abandoned railroad station building and tracks, Grenada. Comment
  JEPS21784  Anaphalis margaritacea unknown Siskiyou Comment
Read comments
Jul 22 2010
  SEINET8379680  Andersonglossum occidentale L. E. Detling 1947-6-3 6058 Siskiyou Hapy Camp, Klamth National Forest. 335 Comment
  CHSC95118  Anemone deltoidea L. P. Janeway 2006-7-2 8745 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  JEPS60503  Anemone deltoidea W. L. Jepson 1937-7-30 18568 Siskiyou Poker Flat Siskiyou Mtns (headwaters Indian Creek) 1584 Comment
  JEPS8482  Anemone deltoidea Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3450 Siskiyou at Poker Flat (near summit of Takilma-Happy Camp rd over Siskiyou Mtns, Del Norte-Siskiyou Co. line); Siskiyou Mtns 1630 Comment
  UC853527  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou near Big Flat (South Fork Salmon River); South Fork Salmon River 1524 Comment
  SBBG2105  Anemone drummondii J. F. Davidson, J. M. Tucker 1947-5-17 1566 Siskiyou summit of Scott Mtn 2072 Comment
  RSA78842  Anemone lyallii P. A. Munz 1952-7-2 17891 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  UC8901  Anemone multifida Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  POM365636  Anemone multifida M. B. Dunkle 1945-1 9312 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC55712  Anemone occidentalis G. L. Clifton, Griswold 1979-7-26 10123 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC58915  Anemone occidentalis Marvin Butler 1971-7-14 137 Siskiyou Near El Capitan 2073 Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  UC8932  Anemone occidentalis unknown 1862-9-16 1419 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC391964  Anemone occidentalis L. R. Short 1933-8-8 108 Siskiyou Klamath National Forest. Boulder Creek 2514 Comment
  HSC28741  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  JEPS50866  Anemone occidentalis Al Hobart 1967-8-8 Siskiyou n. side Preston Peak; westernmost Siskiyou Co., Preston Peak 1950 Comment
  HSC45482  Anemone oregana var. oregana Maralyn O'Meara 1973-6-5 195 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  UCD127109  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  RSA296046  Angelica tomentosa var. tomentosa J. M. DiTomaso 1980-8-5 1854 Siskiyou Baldy Mountain Lookout, 6 miles west of Happy Camp, 200 meters north of lookout in moist serpentine soil near spring 1707 Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  CAS-BOT-BC59286  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  UC1114144  Antennaria dimorpha Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 237 Siskiyou 4.5 mi n of city limits on US Hwy 99 Yreka 914 Comment
  JEPS94738  Antennaria geyeri Vernon H. Oswald and Lowell Ahart 1998-7-21 9312 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  UC579119  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC58716  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Five miles north of Weed along Highway 97 Comment
  HSC4659  Antennaria geyeri W. L. Jepson Jul 1894 Siskiyou Sisson (now the town called Mt. Shasta) Comment
  RSA106205  Antennaria geyeri D. D. Keck 1953-7-31 6534 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  CAS-BOT-BC69100  Antennaria media Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Horse Camp Springs Comment
  RSA238723  Antennaria media Frederick W. Oettinger 1969-9-2 1598 Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Moist, rocky sedge meadow of late snow hold area on the N side of English Peak. Comment
  UC1475694  Antennaria racemosa Clifton and Griswold 1979-8-12 13993 Siskiyou close to Fort Jones; Scott Bar Quad., Isinglass Creek 1951 Comment
  CAS-BOT-BC84768  Antennaria umbrinella John M. Tucker 1948-8-2 1770 Siskiyou Mt. Shasta Panther Meadows 2407 Comment
  RSA237457  Anthemis cotula Frederick W. Oettinger 1968-9-5 719 Siskiyou Along Hancock Lake on a flat, sandy, open area, along the trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS83446  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 410 Siskiyou 8.1 mi nw jct of Indian Creek Road and Hwy 96 in Happy Camp (Happy Camp vicinity, junction of Indian Creek Road and Mt. Baldy Lookout Road, n side of ICR e of jct and se roadbank at jct); Happy Camp Quad. (15', 1956) 463 Comment
Read comments
Apr 24 2015
  UC909318  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 Siskiyou near Sniktaw Creek (along road at Quartz Valley); Quartz Valley 914 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC22434  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1987 Siskiyou Along S Sugar Creek 1921 Comment
  HSC3208  Apocynum androsaemifolium R. C. Wunner 1965-7-9 367 Siskiyou Lava Beds N.M., 1 mi. from Mammoth Crater Jct. on Tichner Rd. to Upper Ice Cave. 1555 Comment
  UC853767  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley Marble Mtns Comment
  CAS-BOT-BC394988  Aquilegia formosa Gilbert Muth 1965-8-5 s.n. Siskiyou Stream behind Blk. Mt. Comment
  POM99545  Aquilegia formosa var. truncata Geo. D. Butler 1908-7-12 1062 Siskiyou Hundrey Mtn Comment
  POM95067A  Arabis breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  HSC6556  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mi. E of Dry Lake Lookout, summit of Siskiyou Mtns. Comment
  HSC29180  Arabis divaricarpa Frederick W. Oettinger 1968-8-18 568 Siskiyou High Lake basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: E side of Hancock Lake 1936 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC42158  Arabis holboellii var. retrofracta S. Saufferer 1973-5-6 152 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  HSC90272  Arabis oregana D. L. Goforth 1980-6-27 647 Siskiyou Scott River at Sugarpine Gulch 650 Comment
  JEPS53186  Arabis subpinnatifida Geo. D. Butler ca. 1909 587 Siskiyou Yreka Comment
  CAS-BOT-BC171618  Aralia californica Alice Eastwood 1917-9-2 6703 Siskiyou Shasta Springs Comment
  RSA138227  Aralia californica P. C. Everett, E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. W from Red Bank F. S. Camp, on road to Somesbar from Sawyers Bar Comment
  SBBG5139  Aralia californica H. and M. Dearing 1939-6-19 3686 Siskiyou French Crk 731 Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  UC375255  Arceuthobium americanum Geo. D. Butler 1908-7-19 271 Siskiyou Comment
  SEINET2471193  Arceuthobium campylopodum R. L. Mathiasen 2009-8-14 2009 -45 Siskiyou 1 km N. of State Route 89 on Shasta Ski Park Rd. 1411 Comment
  UC1409472  Arceuthobium campylopodum Frederick W. Oettinger 1968-9-5 712 Siskiyou between Diamond and Hancock Lakes Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC163739  Arceuthobium campylopodum Geo. D. Butler 1908-8-5 272 Siskiyou West Fork of Moorly Creek Comment
  UCD51964  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  RSA463685  Arctostaphylos manzanita subsp. manzanita S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CAS-BOT-BC39992  Arctostaphylos nevadensis Alice Eastwood 1921-7-29 10987 Siskiyou Pumice Mt. Comment
  CAS-BOT-BC45434  Arctostaphylos nevadensis Doris K. Kildale 1929-7-20 8710 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  CAS-BOT-BC45438  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC45442  Arctostaphylos nevadensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. A dammed lake. 1828 Comment
  HSC65419  Arctostaphylos nevadensis Rich White 1978-7-3 202 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  UC154199  Arctostaphylos nevadensis Harley P. Chandler June 1901 1598 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UCD52861  Arctostaphylos nevadensis subsp. knightii Roger Raiche; Kurt Zadnik 1982-7-6 20558 Siskiyou Deadwood Lookout northwest of Yreka. 1676 Comment
  CAS-BOT-BC46483  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  CAS-BOT-BC46496  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  CAS-BOT-BC46500  Arctostaphylos patula Alice Eastwood 1917-9-2 6682 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  HSC18974  Arctostaphylos patula G. L. Clifton, Griswold 1979-6-28 6151 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC73302  Arctostaphylos patula Gail Newton 1980-6-20 530 Siskiyou Near Bald Mtn. 1326 Comment
  HSC92374  Arctostaphylos patula Jennifer Whipple 1976-7-2 1275 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  POM367402  Arctostaphylos patula B. C. Templeton 1964-6-10 10067 Siskiyou Moutain slope of Mt. Shasta. Comment
  RSA238575  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou At n. end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC165732  Arctostaphylos patula Geo. D. Butler 1909-5-30 794 Siskiyou hills near Yreka Comment
  UC410799  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Springs Comment
  CAS-BOT-BC47012  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-31 9162 Siskiyou Cecilville, s. fork Salmon River. Comment
  UCD37073  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, 0.5 mile south Dunsmuir, along U.S. Highway 99. 701 Comment
  POM312502  Arnica Calvin McMillan, Malcom A. Nobs 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  HSC29104  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  RSA105404  Arnica cordifolia G. D. Barbe 1955-7-4 092 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC61861  Arnica discoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS35690  Arnica mollis Geo. D. Butler 1908-8-4 336 Siskiyou Shackleford Creek (head of) Shackleford Creek 1676 Comment
  UC572796  Arnica mollis W. Bridge Cooke 1937-8-17 9297 Siskiyou Panther Creek Meadow Mt. Shasta 2438 Comment
  POM30782  Arnica mollis var. scaberrima Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek. 1220 Comment
  JEPS105131  Arnica ovata Dean W. Taylor 1996-7-11 15783 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  HSC29299  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou High Lake Basins near English Peak, marble Mountain Wilderness Area; N facing slope SSW of Upper English Lake 1860 Comment
  JEPS57207  Arnica viscosa L. R. Heckard 1967-8-14 1732 Siskiyou above Horse Camp; Mt. Shasta 2560 Comment
  CAS-BOT-BC84978  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-8 15167 Siskiyou Marble Mts., Black Mt. Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  CAS-BOT-BC172863  Artemisia douglasiana J. K. Nelson; J. P. Nelson; Soren Nelson 2004-8-29 2004 -095 Siskiyou South side Mt. Shasta, at unnamed springs west of Mud Creek Dam, along Road 31 1584 Comment
  RSA126344  Artemisia douglasiana I. L. Wiggins 1955-7-26 13511 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 887 Comment
  UCR37828  Artemisia norvegica subsp. saxatilis K. T. Stillman 1976-7-9 220 Siskiyou Marble Mountain Wilderness Area [Kings Castle], Scott Bar 15' Q. 2141 Comment
  UCD77361  Artemisia tridentata subsp. vaseyana Robert E. Preston 2001-8-26 1771 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 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
  RSA756943  Aruncus dioicus var. pubescens Robert F. Thorne 1969-8-2 63340 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  SEINET11165203 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  HSC48291  Asarum caudatum J. O. Sawyer, K. T. Stillman 1978-7-6 3294 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  RSA416094  Asarum caudatum M. B. Dunkle 1945-1 s.n. Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CAS-BOT-BC400704  Asarum hartwegii John Thomas Howell 1937-7-26 13542 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC400707  Asarum hartwegii G. D. Hanna; M. M. Hanna 1956-6-3 s.n. Siskiyou Forest Camp, Hatchet Mt. 39.8 E. of Redding Comment
  UC164124  Asclepias cordifolia Geo. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  JEPS94694  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  HSC71077  Aspidotis densa M. A. Baker 1980-6-20 2198 Siskiyou Near Bald Mtn. 1036 Comment
  UC909315  Aspidotis densa Ira L. Wiggins 1950-5-28 12379 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  CDA42728  Aspidotis densa D. Janssen & F. D. Horn 1978-6-5 s.n. Siskiyou Summit of Indian Creek to O Brien Road, near Happy Camp. 0 Comment
  CAS-BOT-BC178813  Astragalus californicus L. E. Smith 1914-5-14 697 Siskiyou Yreka Comment
  CAS-BOT-BC178815  Astragalus californicus L. E. Smith 1913-5-9 197 Siskiyou Weed Comment
  RSA415582  Astragalus lentiginosus var. platyphyllidius M. O'Mera 1974-5-27 485 Siskiyou Along road 47N03 1280 Comment
  UC83869  Astragalus purshii var. tinctus Katharine Brandegee July 1887 Siskiyou near Mt. Shasta (Edgewood); near Mt. Shasta, Edgewood Comment
  POM259608  Astragalus purshii var. tinctus J. T. Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC198717  Astragalus whitneyi var. siskiyouensis G. J. Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge 2468 Comment
  CHSC67491  Astragalus whitneyi var. siskiyouensis James D. Jokerst 1992-7-30 3428 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  CAS-BOT-BC198714  Astragalus whitneyi var. siskiyouensis Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 2 miles up Scott Mt. grade. Comment
  UCD105505  Astragalus whitneyi var. siskiyouensis Bill Howard 1957-7-24 57 V Siskiyou Head of Middle Fork Sacramento River (south of Mt. Eddy). 1981 Comment
  HSC65311  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-15 4340 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC41795  Asyneuma prenanthoides Brent Whiteley 1975-6-22 37 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  UC1190382  Athyrium distentifolium var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA692541  Athyrium filix-femina subsp. cyclosorum M. B. Dunkle 1944-7-7 9078 Siskiyou Deer Creek 1768 Comment
  HSC35800  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-7-10 495 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC4340  Atriplex prostrata L. C. Wheeler 1934-10-21 3331 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  UC165278  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  CAS-BOT-BC100059  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1936-6-13 2749 Siskiyou 6 miles n. of Weed Comment
  RSA121103  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 s.n. Siskiyou 0.25 mile east of Symbol Bridge on Road 1418 Comment
  HSC103648  Balsamorhiza sericea Thomas W. Nelson, Jane Nelson 1985-6-19 7818 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  UC796482  Balsamorhiza sericea Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11713 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), e fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  CAS-BOT-BC16690  Barbarea orthoceras L. E. Smith 1914-5-5 653 Siskiyou Dunsmuir. Comment
  UC472297  Berberis aquifolium var. dictyota H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  HSC39319  Berberis aquifolium var. repens J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  CAS-BOT-BC75731  Berberis nervosa William Bridge Cooke 1940-8-8 15415 Siskiyou Mount Shasta. Below the McCloud intake along Squaw Valley Creek. 1371 Comment
  CAS-BOT-BC75931  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CDA38215  Berula erecta Carrick 1943-1 s.n. Siskiyou Weed. 0 Comment
  CHSC110508  Betula occidentalis Julie Kierstead Nelson; R. Posey, P. Zika, T. Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  CHSC78497  Betula occidentalis Vernon H. Oswald 2000-8-28 9952 Siskiyou Kangaroo Lake Road ca. 0.5 mi north of the road to Rock Fence Creek Lake. 1487 Comment
  UC1051397  Betula occidentalis Herbert L. Mason 1953-7-30 14580 Siskiyou just n Weed; Shasta River Comment
  JEPS24015  Bidens frondosa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6876 Siskiyou 2 mi w, in canyon of Portugese Creek Seiad Valley; Klamath River, Portugeuese Creek 396 Comment
  CAS-BOT-BC413073  Bistorta bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC413075  Bistorta bistortoides D. E. Breedlove 1962-6-11 3370 Siskiyou Along State Hwy. 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  UCSB24981  Bistorta bistortoides Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  HSC68063  Blepharipappus scaber J. P. Smith, Steve Selva 1970-6-15 3982 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC85694  Blepharipappus scaber J. P. Smith 1980-8-24 10346 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  SEINET193233  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Scott River 2 miles northwest of Scott Bar. 488 Comment
  CHSC102558  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  UCD114343  Boechera howellii Robert E. Preston 1996-7-23 980 Siskiyou 1 mi e of Medicine Lake. 2072 Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD77345  Boechera puberula Robert E. Preston 2001-7-21 1745 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  CAS-BOT-BC25424  Boechera retrofracta Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  CAS-BOT-BC25428  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  SEINET3132274  Boechera retrofracta G. D. Butler 1163 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25730  Boechera sparsiflora Ira L. Wiggins 1955-7-22 13446 -A Siskiyou In South Fork of Salmon River, above Cecilville 9.5 miles. 1066 Comment
  UC618778  Boechera sparsiflora unknown 1938-6-17 11051 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  SEINET3132288  Boechera stricta G. D. Butler 1900-7-8 1164 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25873  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2923 Siskiyou Klamath-Siskiyou Region. Road to Walker Post Office, 4 miles west of Yreka. 1219 Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC25930  Boechera suffrutescens John Thomas Howell 1937-7-21 13204 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC62621  Botrychium multifidum Ruby Van Deventer 1957-8-4 Siskiyou Youngs Valley 1768 Comment
  UC1925601  Botrychium simplex Alan R. Smith with Joan Smith 2008-7-27 2922 Siskiyou Mount Shasta, Upper Panther Meadows; N 41.21.355, W 122.11.974 to N 41.21.374, W 122.11.955 Comment
  CAS-BOT-BC418461  Boykinia major Wayne Roderick 1967-7-23 s.n. Siskiyou Horse Tail Falls on road to Cook & Green Pass, N of Seiad Valley. 304 Comment
  HSC86545  Boykinia major D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC418419  Boykinia occidentalis Doris K. Kildale 1929-7-20 8547 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  CAS-BOT-BC36692  Brassica rapa Alice Eastwood 1912-7-17 1168 Siskiyou Sisson. Comment
  CAS-BOT-BC127862  Brickellia grandiflora D. M. Traugh 1933-8-6 7 Siskiyou Klamath (National) Forest 1828 Comment
  UC894186  Brickellia grandiflora Alice Eastwood 1912-7-26 1459 Siskiyou Pitt to Kennet Sisson Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UC3257  Brodiaea coronaria subsp. coronaria Miss Edmonds 1890-7-8 Siskiyou Comment
  SEINET8399968  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  UCD58256  Bromus carinatus R. Tofsrud 1948-8-1 s.n. Siskiyou From Happy Camp to O'Brien, Oregon. Comment
  HSC76729  Bromus carinatus var. marginatus K. T. Stillman 1976-8-8 393 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  CAS-BOT-BC155962  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Klamath National Forest. Cottonwood Creek. 914 Comment
  HSC65265  Bromus hordeaceus J. P. Smith 1973-5-5 6396 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCD58799  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou Field near Yreka. Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  JEPS69218  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  HSC30544  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Marble Mountain Wilderness Area, NE of Crapo Ridge above Tom Taylor Cabin 1890 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
  RSA60714  Bromus tectorum var. glabratus I. L. Wiggins 1950-5-27 12356 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  HSC22197  Calamagrostis koelerioides J. O. Sawyer 1968-7-9 419 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC1265354  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 771 Siskiyou n.w. slope on ridge above Tobacco lake (Salmon Mts.); W. Siskiyou Co., Salmon Mts. 2011 Comment
  CAS-BOT-BC85743  Calocedrus decurrens Alice Eastwood 1928-8-1 1939 Siskiyou Cantara Comment
  HSC33963  Calocedrus decurrens J. P. Smith 1974-5-25 7431 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA184686  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  UC718145  Calocedrus decurrens C. B. Wolf and E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds Modoc Lava Beds (14.3 mi e of Fall Riveron Rd. from Dana to Little Hot Springs Valley) 1219 Comment
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Mar 29 2012
  RSA120214  Calochortus coeruleus S. S. Tillett 1956-7-11 703 Siskiyou Just N of campground, Scott Mtn. divide, ca. 8 mi. SE of Callahan. 1631 Comment
  SEINET10971608 Image available Calochortus greenei Edward L. Greene 1876-7-6 Greene 914 Siskiyou on Table Rock, Little Shasta River. Comment
  HSC15364  Calochortus macrocarpus R. C. Wunner 1965-7-20 401 Siskiyou Lava Beds National Monument, Indian Wells near N prefab 1433 Comment
  JEPS105051  Calochortus persistens Dean W. Taylor 1996-7-7 15800 Siskiyou Gunsight Peak (about 5 air miles northwest of Yreka); Klamath National Forest 1859 Comment
  RSA237354  Calochortus tolmiei Frederick W. Oettinger 1967-6-24 120 Siskiyou Ridge near Etna Summit on road from Etna to Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  CAS-BOT-BC132630  Calochortus uniflorus Wm. Bridge Cooke 1938-7-15 11219 Siskiyou In lower Wagon Camp Comment
  JEPS19773  Caltha biflora Rimo Bacigalupi with S. Galen Smith 1957-6-26 5955 Siskiyou Springy bog at west end Gumboot Lake, head of South Fork Sacramento River, close to Trinity County line. 1859 Comment
  CAS-BOT-BC181504  Caltha leptosepala Doris K. Kildale 1928-8-19 6546 Siskiyou Hancock Lake on trail to Marble Mountain 2133 Comment
  CAS-BOT-BC181507  Caltha leptosepala L. E. Smith 1913-9-1 556 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC273392  Calycadenia fremontii Carl B. Wolf 1927-8-27 1152 Siskiyou On the Klamath River 1 mile above the Salmon River Comment
  LA203132  Calycadenia truncata Louis C. Wheeler; 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  UC164385  Calypso bulbosa Geo. D. Butler 1910-6-5 1512 Siskiyou Shackleford Creek Comment
  UC1090385  Calyptridium monospermum Milo S. Baker 1957-6-15 13116 Siskiyou road cut just s of Weed Comment
  RSA699533  Camassia quamash subsp. breviflora Jenny Marr 1993-07 137 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CAS-BOT-BC36990  Camelina microcarpa Alice Eastwood 1923-5-22 11893 Siskiyou Sisson. Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. Comment
  CAS-BOT-BC160910  Camissonia tanacetifolia subsp. tanacetifolia V. June Wetherell 1961-8-9 490 Siskiyou Lava Beds National Monument Comment
  JEPS11748  Campanula prenanthoides Geo. D. Butler 1908-8-10 145 Siskiyou Shackleford Creek 1219 Comment
  SEINET10463325  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou NR KELLEY LAKE, PRESTON PK QUAD, NR HAPPY CAMP 4498', COBBLY SOIL Comment
  SEINET10462907  Campanula prenanthoides Davy 1899-6-27 DAVY 5889 Siskiyou WEITCHPEC, ON BANKS OF KLAMATH R. Comment
  SEINET10462923  Campanula prenanthoides Cooke 1940-7-12 COOKE 15307 Siskiyou NR RD IN BOX CNYN OF SACRAMENTO R NR MT SHASTA CITY 3000 Comment
  SEINET10463148  Campanula prenanthoides Ownbey 1940-7-4 OWNBEY 2171 Siskiyou Dry north slope, Siskiyou Mountains, northwest of Hornbrook Comment
  SEINET10463333  Campanula prenanthoides Mize 1972-8-17 MIZE 103 Siskiyou FORKS OF SALMON R QUAD, S OF GATES CREEK. T12N R7E Sec. 20 488 Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  UC642519  Campanula wilkinsiana W. Bridge Cooke 1939-8-24 13894 Siskiyou along creeks Mount Shasta, Squaw Valley Creek meadows Comment
  SEINET10463872  Campanula wilkinsiana Lawrence R. Heckard 1967-8-14 Heckard 1731 Siskiyou SECOND PRINGS ON SIDE CANYON ABOVE HORSE CAMP, SW FLANK OF MT. SHASTA 2560 Comment
  SEINET10463892  Campanula wilkinsiana Alice Eastwood 1912-9-1 Eastwood 2063 Siskiyou Mount Shasta Comment
  SEINET10840066  Campanula wilkinsiana Cooke 1938-8-18 COOKE 11447 Siskiyou Mount Shasta; common around the water supply spring turf above Horse Camp 2469 Comment
  RSA592543  Cardamine cordifolia var. lyallii S. O. Mattoon 1978-7-22 22 Siskiyou Lower Wright Lake, Marble Mountains Wilderness Area; 13 air miles W of Fort Jones. 2378 Comment
  UC166117  Cardamine nuttallii Geo. D. Butler 1909-3-22 566 Siskiyou Scott River <N?> <S?> Oro Fino; Scott River <?> of Oro Fino Comment
  UC909340  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou on ridge between Carmen Lake and headwaters Grouse Creek; ridge btwn Carmen Lake and headwaters Grouse Creek Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  HSC76856  Carex amplifolia L. P. Janeway 1982-8-1 96 Siskiyou Meadow on curve of FS 17N32 at FS 17N32A 793 Comment
  POM81701  Carex angustata Geo D. Butler 1909-6-22 855 Siskiyou Goosenest Foothills 1524 Comment
  CHSC40170  Carex aquatilis var. dives L. P. Janeway 1982-7-2 36 Siskiyou At Poker Flat, at end of rd 18N33. 1524 Comment
  UCD143811  Carex athrostachya Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16259 Siskiyou on road 26 near Gumboot Lake. 1828 Comment
  CAS-BOT-BC19097  Carex aurea William Bridge Cooke 1939-7-7 13614 Siskiyou The Lower Wagon Camp springs. 1737 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  HSC43381  Carex bolanderi Marylyn O'Meara 1974-5-25 383 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC144466  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou near Shasta Springs Comment
  HSC76803  Carex bolanderi L. P. Janeway 1982-8-15 148 Siskiyou Below Echo Lake 1646 Comment
  UC642557  Carex brainerdii J. W. Stacey 1939-8-10 13819 Siskiyou in the bed of Mud Creek Canyon Mud Creek Canyon Comment
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Mar 22 2008
  HSC77171  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road, 0.5 mi. N of W Branch USFS Station 671 Comment
  JEPS116609  Carex brainerdii Julie Kierstead 1997-5-13 97009 Siskiyou Mt. Shasta Rnger District. Parks Creek Road 1 mile above junction with 42N19, 6 miles west of Weed. 1463 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC77165  Carex densa L. P. Janeway 1983-7-30 464 Siskiyou Along N shoreline of Iron Gate Reservoir 732 Comment
  UC1738896  Carex deweyana subsp. leptopoda Dean W. Taylor 1993-7-30 13985 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  CHSC88398  Carex dudleyi Jenny Marr 1993-7-1 157 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC19872  Carex echinata subsp. echinata Louis C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  CHSC52866  Carex echinata subsp. echinata L. P. Janeway 1983-8-16 558 Siskiyou At Poker Flat, a large meadow. 1524 Comment
  HSC76839  Carex exsiccata L. P. Janeway 1982-8-1 97 Siskiyou Curve of FS Rd. 17N32 at FS Rd. 17N32A, 5 mi. from Indian Creek Rd. 793 Comment
  HSC61113  Carex fracta Ruby Van Deventer 1955-7-31 Siskiyou FS 17N04, Mt. Bog near Doe Flat Comment
  UCD140363  Carex halliana S. S. Tillett 1956-7-11 690 Siskiyou Siskiyou - Trinity County: County line, north side Scott Mountain divide near campground; ca. 8 miles SE of Callahan. 1615 Comment
  HSC68516  Carex hassei Maralyn A. Renner 1980-6-26 1172 Siskiyou Flint Valley. 1390 Comment
  SEINET10504761  Carex hoodii Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6986 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 miles ne of Cecilville store, on road to callahan 2073 Comment
  LA17569  Carex inops J. W. Stacey; 1940-7-12 15344 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  CHSC98374  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7701 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  HSC76846  Carex integra L. P. Janeway 1982-8-13 129 Siskiyou 50 m from SW edge of Bear Lake 1829 Comment
  CAS-BOT-BC35476  Carex jonesii A. A. Heller 1922-7-15 13708 Siskiyou Medicine Lake 2133 Comment
  RSA783707  Carex klamathensis Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest: along road 41N03, 1.5 mi from road 2H001. 1591 Comment
  SEINET7563602 Image available Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. Deadman Peak 7.5' quad. 1579 Comment
  UC1608361  Carex laeviculmis J. Kierstead 1991-7-3 91 -94 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  CAS-BOT-BC31308  Carex lenticularis var. impressa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC28429  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC101883  Carex lenticularis var. lipocarpa Dana York 2011-9-9 3092 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CAS-BOT-BC31633  Carex luzulina var. ablata Peter H. Raven 1956-9-4 10381 Siskiyou Ridge S of Mt. Eddy. 2286 Comment
  UC642547  Carex luzulina var. ablata W. Bridge Cooke 1939-7-7 13619 Siskiyou Sedge Swamp at Wagon Camp Mount Shasta 1737 Comment
  CDA33108  Carex luzulina var. luzulina Gordon Leppig 1998-7-1 911 Siskiyou Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  HSC29664  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Marble Mtn. Wilderness Area, dry meadow below Tobacco Lake 1890 Comment
  HSC60835  Carex microptera Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC76794  Carex microptera L. P. Janeway 1982-8-15 147 Siskiyou Below Echo Lake 1646 Comment
  SD130933  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  HSC97433  Carex multicaulis Jennifer Whipple 1976-6-18 1040 Siskiyou Near Little Crater Lake 2470 Comment
  POM81432  Carex multicaulis Geo D. Butler 1909-7-15 853 Siskiyou Russian Creek. 1829 Comment
  CAS-BOT-BC23420  Carex multicostata John Thomas Howell 1937-7-26 13557 A Siskiyou Caribou Meadow Comment
  HSC77037  Carex multicostata K. T. Stillman 1976-6-17 18 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  HSC85797  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  HSC101149  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  SEINET7568940 Image available Carex nigricans Unknown 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  HSC71131  Carex pachystachya Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4497 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS102965  Carex pachystachya L. P. Janeway 2002-7-12 7624 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
  CDA33132  Carex praegracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2593 Siskiyou 2.5 miles south of Grenada Station between old highway and railroad right-of-way, Grenada. Comment
  CAS-BOT-BC118771  Carex preslii John Thomas Howell 1937-7-25 13482 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC30554  Carex preslii Frederick W. Oettinger 1969-8-19 1465 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1860 Comment
  SEINET7572539 Image available Carex preslii Ray Tallent 1987-8-12 909 Siskiyou Klamath National Forest, trail to Long Gulch Lake. 1939 Comment
  SD61024  Carex raynoldsii Darley F. Howe 1964-8-4 Siskiyou Modoc National Forest; Medicine Lake; meadow. 2012 Comment
  HSC90440  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  HSC470  Carex rostrata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin 1677 Comment
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC117910  Carex scabriuscula G. Douglas Barbe 1955-7-28 301 Siskiyou Small, moist meadow just W of Scott Mtn. Forest Camp, near Trinity County line. 1615 Comment
  CHSC96434  Carex scopulorum var. bracteosa Gordon Leppig; Jennifer Kalt 1996-7-9 368 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  UC922504  Carex scopulorum var. bracteosa Annie M. Alexander and Louise Kellogg 1949-7-28 5885 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  UCD78182  Carex serratodens Robert E. Preston 2008-5-15 2634 Siskiyou Ca. 2 mi N of Somes Bar, along Hwy 96, at Davis Creek 229 Comment
  HSC39291  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  HSC30523  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Marble Mtn. Wilderness Area, on trail SE of Tom's Lake 2012 Comment
  CHSC99590  Carex straminiformis L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. 1737 Comment
  SEINET4152285  Carex straminiformis Unknown 1939-8-6 15108 Siskiyou Elk Mountain, Marble Mountains Comment
  UC143647  Carex straminiformis Dr. E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta 2438 Comment
  JEPS102934  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  CAS-BOT-BC115168  Carex vesicaria R. Tallent 1987-8-12 897 a Siskiyou Klamath National Forest. Long Gulch Lake. 1939 Comment
  CAS-BOT-BC59707  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Pass at sw. end of Caribou L., Salmon-Trinity Alps Primitive Area. 2072 Comment
  HSC22111  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-7 1080 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  HSC63263  Castilleja applegatei M. A. Baker 1979-7-31 1101 Siskiyou Johnson's Hunting Grounds, near border of wilderness Comment
  HSC91232  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1977-7-20 2007 Siskiyou N slopes of Mt. Eddy 2287 Comment
  JEPS16795  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins and C. Leroy Custer 1954-8-13 4796 Siskiyou 2.5 mi s and above Callahan to Carrville road junction with Gazelle road (lower part of grade over Scott Mtn. (road from Callahan to Carrville)); Scott Mtn. 1371 Comment
  JEPS46015  Castilleja applegatei subsp. pinetorum L. R. Heckard 1956-8-7 829 Siskiyou 10.5 mi ne Weed (along U.S. Hwy 97, n of Mt. Shasta) Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC94481  Castilleja applegatei subsp. pinetorum R. C. Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the N, heading towards Mt. Shasta 2029 Comment
  HSC69005  Castilleja arachnoidea Maralyn A. Renner 1980-7-28 2152 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  JEPS76189  Castilleja arachnoidea T. I. Chuang with Fei-Mei Chuang 1977-7-22 7633 Siskiyou Panther Meadow Mt. Shasta 2194 Comment
  UC1483513  Castilleja arachnoidea John Palmer 1980-7-24 667 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
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May 25 2011
  HSC45204  Castilleja hispida subsp. brevilobata J. O. Sawyer, E. Cope 1977-6-20 2975 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  CAS-BOT-BC254114  Castilleja miniata A. A. Heller 1914-8-26 11716 Siskiyou Deetz Station near Black Butte 1158 Comment
  HSC19256  Castilleja miniata J. O. Sawyer 1969-7-18 1423 Siskiyou E of Russian Lake 2043 Comment
  JEPS84012  Castilleja miniata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6401 Siskiyou ca 5 mi n Seiad Valley town (above and w of Lily Pad Lake) 1770 Comment
  POM42523  Castilleja miniata Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest. Comment
  CAS-BOT-BC32557  Castilleja muscipula var. angustifolia John Thomas Howell 1939-8-4 15059 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CDA41399  Castilleja pilosa County Ag. Dept. - Yreka 1959-5-25 s.n. Siskiyou Farm of Clint Jackson, Edgewood. 0 Comment
  JEPS83825  Castilleja pruinosa Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  CAS-BOT-BC241083  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  CAS-BOT-BC241085  Castilleja schizotricha G. J. Muth 1969-8-6 1209 Siskiyou Boulder Peak 2529 Comment
  CHSC1700  Castilleja schizotricha V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  JEPS79523  Castilleja tenuis L. R. Heckard 1980-7-12 5406 Siskiyou ca 10 air mi ne Weed (meadow border at sw end of Grass Lake, ne of state highway maintenance station); Grass Lake Comment
  CAS-BOT-BC48655  Ceanothus cordulatus Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  CHSC1498  Ceanothus cordulatus V. Keeler 1935-5-9 Siskiyou Near Mt. Shasta City. 1097 Comment
  JEPS42357  Ceanothus cordulatus W. L. Jepson Aug. 1894 14011 Siskiyou Sisson Comment
  JEPS103784  Ceanothus cuneatus var. cuneatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near South Fork of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  UC375370  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-30 667 Siskiyou near Yreka Comment
  UC796510  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11812 Siskiyou at Mule Creek crossing, Scitt Mt. Rd. 1524 Comment
  CAS-BOT-BC63605  Ceanothus integerrimus Lincoln Constance 1928-6-10 s.n. Siskiyou Dunsmuir. Comment
  CAS-BOT-BC50691  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1923-5-20 11869 Siskiyou Shasta Springs Comment
  RSA399891  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-6-25 9006 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  CAS-BOT-BC53094  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11813 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC53098  Ceanothus prostratus Elmer I. Applegate 1895-5-29 82 Siskiyou Sisson Comment
  JEPS19771  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5957 Siskiyou e shore of Gumboot Lake, head of South Fork Sacramento River, close to Trinity Co. line 1859 Comment
  POM85998  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley. Comment
  RSA256581  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along Forest Service Road 47N03. 1524 Comment
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Feb 26 2013
  RSA659520  Ceanothus prostratus Gary D. Wallace 1990-7-1 2957 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1829 Comment
  UC1076019  Ceanothus prostratus Herbert L. Mason 1947-5-17 14766 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  JEPS42104  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Mt. Comment
  OBI6050  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 mi W of summit of grade on road from Mt. Shasta City to McCloud 1219 Comment
  SD76170  Ceanothus velutinus Helen V. Witham 1969-10-9 594 a Siskiyou lower slopes of Mt. Shasta 1500 Comment
  UC1071459  Ceanothus velutinus H. A. Jensen 1933-9-25 355 Siskiyou Spring Hill Dunsmuir Quad. 1188 Comment
  UC1409314  Ceanothus velutinus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1228 Siskiyou on se side Pine Lake (at edge of a talus boulder side area (high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  RSA398980  Ceanothus velutinus Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  CAS-BOT-BC52804  Ceanothus velutinus var. velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  SEINET13331149 Image available Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adjacent lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi. S. of Mugginsville Comment
  UCD108105  Centaurea solstitialis Steve Orloff 2011-9-1 SPK 471141 S1-D Siskiyou Collins Baldy. Mountains of S. Klamath River in the Klamath River area. Comment
  CAS-BOT-BC106027  Centaurea virgata subsp. squarrosa R. E. Frenkel 1964-7-14 685 Siskiyou On a southern shoulder of Everitt Memorial Highway just east of a point 3.7 miles north of McCloud River RR crossing. 1493 Comment
  SEINET10741267 Image available Centaurium trichanthum Edward L. Greene 1876-8-5 Greene 964 Siskiyou Collected near Yreka. Comment
  RSA381928  Cephalanthera austiniae M. B. Dunkle 1944-7-18 9140 Siskiyou Sterling Mountains, Siskiyou National Forest. Comment
  CAS-BOT-BC384968  Cerastium arvense Annie M. Alexander; Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CDA3352  Cerastium dichotomum C. S. Giebner 1963-4-3 Siskiyou Chili Hammond property, halfway between Yreka and Montague. 0 Comment
  HSC4754  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-5 491 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  CDA3344  Cerastium glomeratum T. C. Fuller 1962-5-17 8742 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  RSA576947  Ceratophyllum demersum L. C. Wheeler 1934-6-3 22625 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. Mt. Diablo Mer. 518 Comment
  UC71782  Cercis occidentalis Mrs. R. W. Summers 1881-1 3103 Siskiyou base of mt. near Southern's Station; Mt. Shasta Comment
  CAS-BOT-BC135450  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  UC165261  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  HSC76915  Cercocarpus ledifolius K. T. Stillman 1976-6-26 127 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  CAS-BOT-BC148511  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  CAS-BOT-BC148520  Cercocarpus ledifolius var. ledifolius Elmer I. Applegate 1935-6-7 9407 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC148524  Cercocarpus ledifolius var. ledifolius L. E. Smith 1913-4-10 65 Siskiyou Bray Comment
  CAS-BOT-BC148527  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Summit of Sterling Mt. - Siskiyou Mts. 2127 Comment
  CAS-BOT-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  UC144397  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  UC618707  Chaenactis douglasii var. douglasii unknown 1938-8-12 11462 Siskiyou just below Horse Camp (along Wagon Camp-Horse Camp Trail); Mount Shasta 2438 Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  HSC5257  Chaenactis douglasii var. douglasii R. C. Wunner 1965-7-9 365 Siskiyou California Lava Beds National Monument; Start of trail to Black Crater 1341 Comment
  CAS-BOT-BC106032  Chaenactis suffrutescens Lester Rowntree 1937-8-5 s.n. Siskiyou Etna Mills & Fort Jones Comment
  CHSC83136  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. At edge of Kidder Creek. Comment
  JEPS101368  Chaenactis suffrutescens Dean W. Taylor 1997-6-12 16051 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  RSA105314  Chaenactis suffrutescens Milo S. Baker 1955-6-26 13072 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  CAS-BOT-BC141586  Chamaebatiaria millefolium V. June Wetherell 1961-8-9 492 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC85661  Chamaecyparis lawsoniana W. R. Dudley 1905-7-7 s.n. Siskiyou Shasta Springs Comment
  RSA314999  Chamaecyparis nootkatensis Stephen Edwards 1983-7-11 SWE- 83 -21 Siskiyou Klamath National Forest, south end of Buck Lake 1311 Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  RSA499041  Chamaesyce serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Creek. 671 Comment
  RSA499043  Chamaesyce serpillifolia L. C. Wheeler 2613 Siskiyou Oak knoll Ranger Station, Klamath River. 671 Comment
  JEPS52331  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 71 Siskiyou near Yreka; McNulty Ranch Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  UC1037385  Chamerion angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 104 Siskiyou on Greenview Rd 5 mi n Etna; Klamath Mountains 883 Comment
  JEPS82482  Chamerion latifolium Gilbert Muth 1965-8-11 205 Siskiyou along trail to four corners Marble Mt. Wilderness Area, Black Mt. 1874 Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  HSC69196  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2691 Siskiyou Bear Mtn. Comment
  CAS-BOT-BC68219  Cheilanthes gracillima J. H. Thomas 1954-5-14 4173 Siskiyou Salmon Mountains, Klamath National Forest - Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  HSC43148  Chenopodium album Ken Stillman 1976-8-24 424 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC61509  Chimaphila menziesii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC452263  Chimaphila umbellata Wm. Bridge Cooke 1938-8-5 11459 Siskiyou Mount Shasta: Sisson Southern Trail 1981 Comment
  HSC27634  Chimaphila umbellata Carl W. Mize 1972-6-22 87 Siskiyou In a draw past cut block #48 1113 Comment
  UCR52373  Chimaphila umbellata Barry Silver 1986-5-24 621 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  CAS-BOT-BC452265  Chimaphila umbellata L. E. Smith 1912-8-1 s.n. Siskiyou Mt. Shasta Comment
  UC412891  Chimaphila umbellata Annie M. Alexander and L. Kellogg 1911-7-16 243 Siskiyou S. Fork Salmon R. 1524 Comment
  POM132085  Chimaphila umbellata subsp. occidentalis E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 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
  RSA237460  Chrysanthemum leucanthemum Frederick W. Oettinger 1968-9-6 742 Siskiyou Bear Meadow' midway between Tom Taylor Cabin and English Peak Summit (as the crow flies). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC36380  Chrysolepis chrysophylla W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC36387  Chrysolepis chrysophylla W. R. Dudley 1907-8-20 s.n. Siskiyou Along Salmon River above mouth of trail creek Comment
  CAS-BOT-BC36241  Chrysolepis sempervirens W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte top of highest peak Comment
  UC5452  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  CDA38307  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC64524  Circaea alpina subsp. pacifica J. P. Smith, Steve Selva 1970-6-15 3900 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC105781  Cirsium ciliolatum T. C. Fuller; D. M. Shaw 1977-8-30 20220 Siskiyou South side of Willow Creek road, west slope of Willow Creek Mtn., 21 km. northeast of Montague 1370 Comment
  CAS-BOT-BC279878  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC32850  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  CAS-BOT-BC288014  Cirsium occidentale var. candidissimum Doris K. Kildale 1928-7-25 5865 Siskiyou Klamath River between Gottville and Brown's Resort Comment
  POM127133  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 miles below Hornbrook Comment
  HSC77095  Cirsium remotifolium K. T. Stillman 1976-7-30 336 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  SEINET8198345 Image available Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca. 1 mile North from Carter Meadow Summit (8 miles Southwest of Callahan) 1981 Comment
  CAS-BOT-BC228988  Cistanthe umbellata Mrs. H. P. Bracelin 1931-6-21 454 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  CAS-BOT-BC164164  Clarkia concinna L. B. Kildale 1930-6-1 9717 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CHSC93539  Clarkia lassenensis Lowell Ahart; John Dittes 2005-6-10 12099 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC163455  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-22 45157 Siskiyou Walker, Klamath River 533 Comment
  POM259602  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM164049  Claytonia parviflora Geo. D. Butler 1909-4-16 675 Siskiyou [Unspecified] Comment
  UCD77231  Claytonia rubra Robert E. Preston 2002-6-20 1851 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1968 Comment
  HSC37544  Claytonia rubra subsp. rubra J. P. Smith 1974-5-27 7607 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  CAS-BOT-BC451757  Claytonia serpenticola W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, by Mt. Shasta Comment
  HSC67725  Claytonia sibirica John Palmer 1980-8-12 681 Siskiyou SE of Ward's Gap. 1189 Comment
  UC198766  Claytonia sibirica Annie M. Alexander and L. Kellogg 1911-6-26 188 Siskiyou Jackson Lake Comment
  HSC4460  Claytonia sibirica William J. Ferlatte 1966-8-18 411 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS60556  Clematis ligusticifolia W. L. Jepson July 1894 Siskiyou Sisson Comment
  RSA537379  Clematis ligusticifolia Walter Wisura, J. Romero 1991-10-17 4593 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  HSC30589  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  CAS-BOT-BC500956  Clintonia uniflora L. E. Smith 1913-6-12 359 Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC500970  Clintonia uniflora A. A. Heller 1919-6-27 13251 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1158 Comment
  POM109340  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  RSA237927  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET8472238  Clintonia uniflora W. Roderick 1967-7-22 s.n. Siskiyou N of Happy Camp on road to O'Brien. 1219 Comment
  HSC72466  Collinsia greenei J. P. Smith, Steve Selva 1970-6-16 4046 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CHSC31204  Collinsia linearis M. S. Taylor 1980-7-8 3115 Siskiyou On ridge s of Castle Lake, above Hearts Lake. 2016 Comment
  JEPS31008  Collinsia linearis D. E. Breedlove 1962-6-10 3305 Siskiyou 11.7 mi nw Happy Camp (along Indian Creek Rd); Siskiyou Mtns 594 Comment
  HSC86558  Collinsia linearis D. K. Imper 1987-6-5 Siskiyou 8 mi. E of Somes Bar 1220 Comment
  JEPS59014  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou below Sawyers Bar; Salmon River Comment
  SEINET7073598  Collinsia parviflora A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  UC54657  Collinsia parviflora H. M. Hall and E. B. Babcock Jun 1903 4703 Siskiyou near Upton (Sierra Nevada Mountains, Mount Shasta); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  UC672465  Collinsia parviflora Dorothy Tebbe 1930-3-28 66 Siskiyou Weed Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC68488  Collinsia rattanii Maralyn A. Renner 1980-6-9 843 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC91182  Collinsia rattanii Jennifer Whipple 1976-6-30 1189 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS15386  Collinsia torreyi var. latifolia Douglas Barbe 1955-7-6 131 Siskiyou above se shore Taylor Lake (on slope); Klamath Mtns, Salmon Mtns 1950 Comment
  JEPS70999  Collomia grandiflora W. L. Jepson 1940-6-23 20025 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  HSC45818  Collomia grandiflora J. P. Smith, Steve Selva 1970-6-14 3864 Siskiyou Comment
  CAS-BOT-BC94909  Collomia tinctoria R. C. Wenk 2005-7-16 251 Siskiyou Trinity Alps, above S Fork of Salmon River, S end of Big Flat Meadow 1493 Comment
  CAS-BOT-BC180420  Comandra umbellata subsp. californica Alice Eastwood 1923-5-20 11879 Siskiyou Shasta Springs Comment
  UC848988  Comandra umbellata subsp. californica W. Bridge Cooke 1941-6-7 16007 Siskiyou near Mount Shasta City (along the Abrams Lake Road); Abrams Lake Road 1066 Comment
  UC165248  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou near Yreka Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC61807  Corallorhiza maculata Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA755949  Corallorhiza maculata Robert F. Thorne 1969-8-2 63343 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC19267  Corallorhiza mertensiana J. O. Sawyer 1968-6-25 327 Siskiyou 1646 Comment
  SEINET8733336 Image available Cordylanthus pilosus var. bolanderi Herbert L. Mason 1950-1 14064 Siskiyou 5 miles south of summit of road from Happy Camp, California, to Waldo, Oregon Comment
  CHSC65840  Cordylanthus tenuis subsp. pallescens Maria Ulloa-Cruz 1994-8-2 42 Siskiyou Shasta-Trinity National Forests. Southeast of County Dump site. 1200 Comment
  SBBG55406  Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City; ISOTYPE: C. pallescens 1158 Comment
  SEINET10913361 Image available Cordylanthus tenuis subsp. pallescens Francis W. Pennell 1940-7-18 Pennell 26184 Siskiyou Route 99. Gravelly andesitic slope. 2-3 miles north of Mount Shasta City. 1158 Comment
  UCD123181  Cordylanthus tenuis subsp. viscidus K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  UCD123183  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16234 Siskiyou at sign at border of Shasta-Trinity National Forest on Highway 89 east of McCloud. 1356 Comment
  JEPS32996  Cordylanthus tenuis subsp. viscidus Freed W. Hoffman 1950-7-11 3720 Siskiyou 17.2 mi n of Klamath River, western Cedar Camp road Comment
  OBI59411  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, C. L. Custer & G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and SE of ) summit of the road between Takilma, OR and Happy Camp-Klamath Natl Forest, Siskiyou Mts; drainage of the West Branch of Indian Creek 914 Comment
  CAS-BOT-BC212284  Cornus glabrata Elmer I. Applegate 1923-9-5 3937 Siskiyou 12 miles down the Klamath River from the mouth of Shasta River Comment
  UC165258  Cornus glabrata Geo. D. Butler 1908-7-1 89 Siskiyou Yreka Creek Comment
  UC165401  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212280  Cornus glabrata C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Hot Springs Comment
  CAS-BOT-BC209879  Cornus nuttallii Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC376183  Cornus nuttallii Andrew Townesmith; Karen M. Meyer 2007-8-3 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  UC142946  Cornus nuttallii Dr. E. B. Copeland 1903-9-8 3850 Siskiyou foot of Mt. Eddy 1219 Comment
  CAS-BOT-BC210411  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC210427  Cornus sericea Alice Eastwood 1921-7-24 10726 Siskiyou Castle Lake Comment
  JEPS83889  Cornus sericea subsp. sericea Wayne Roderick August 1975 Siskiyou vicinity of Cook and Green Pass (w. of summit); Siskiyou Mts. 1463 Comment
  CDA4038  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  RSA269285  Coronilla varia T. C. Fuller, G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. Comment
  UC375261  Corylus californica Geo. D. Butler 1908-11-2 1076 Siskiyou Forest House road Comment
  HSC36742  Corylus cornuta subsp. californica Brent Whitely 1975-7-5 144 Siskiyou 213 Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  CAS-BOT-BC290474  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area Comment
  UCR37825  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC290477  Crepis acuminata G. L. Stebbins, Jr.; E. B. Babcock 1936-6-12 1968 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  HSC29224  Crepis acuminata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1263 Siskiyou Marble Mtn. Wilderness Area, along trail NNE of Tom's and Hancock Lake Basin 2165 Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 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
  CAS-BOT-BC291527  Crepis intermedia John Thomas Howell 1939-8-4 15041 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  UC796545  Crepis occidentalis subsp. conjuncta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11712 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  HSC29230  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-13 1031 Siskiyou Salmon Mtns.; between English Peak and 'Bear Meadow Comment
  SEINET2142064 Image available Crepis occidentalis subsp. conjuncta Unknown 1644 Siskiyou Marble Mountain 2440 Comment
  UC895344  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  CDA34521  Crocidium multicaule B. Villegas, Jodi Aceves 2011-5-24 s.n. Siskiyou Klamath National Forest, USFS Road 45N01 off USFS Road 45N11Y. 0 Comment
  HSC43838  Crocidium multicaule Maralyn O'Meara 1974-5-27 494 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 1159 Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  HSC74831  Crypsis schoenoides J. P. Smith, J. O. Sawyer 1978-7-3 10000 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UC857037  Cryptantha affinis Lewis S. Rose 1937-7-25 37589 Siskiyou s slope Mt. Shasta 1767 Comment
  HSC29335  Cryptantha affinis Frederick W. Oettinger 1969-9-1 1581 Siskiyou Marble Mtn. Wilderness Area, inlet area to Dry Lake 2027 Comment
  RSA715496  Cryptantha flaccida L. Ahart 2005-6-9 12022 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC164153  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  JEPS69751  Cryptantha intermedia W. B. and V. G. Cooke 1972-6-30 45410 Siskiyou above Andesite crossing (Military Pass Road); Mt. Shasta 1524 Comment
  JEPS67672  Cryptantha intermedia T. H. Gilbert 1899-7-1 25 Siskiyou Scott River Valley Comment
  RSA695874  Cryptantha intermedia D. W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  JEPS95669  Cryptantha torreyana Vernon H. Oswald and L. Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest. In disturbed gravelly soil. 914 Comment
  UC857280  Cryptantha torreyana John Thomas Howell 1937-7-29 13655 Siskiyou between Trinity and Siskiyou County; Scott Mountain Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS24793  Cryptogramma acrostichoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6802 Siskiyou shore of Castle Lake (headwater of Sacramento River) 1661 Comment
  CAS-BOT-BC80558  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  CAS-BOT-BC85650  Cupressus bakeri Oliver V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest Grove-Goose Nest Region 1828 Comment
  RSA22764  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  UC758450  Cupressus bakeri Oliver V. Matthews 1939-7-11 32 Siskiyou Seiad Grove 853 Comment
  JEPS47092  Cuscuta cephalanthi George B. Grant 1902-9-4 5217 Siskiyou Sisson 914 Comment
  JEPS85596  Cuscuta howelliana W. Robert Powell 1989-7-19 3533 Siskiyou 16 air mi n Fall River Mills (and 6 air mi w of Day, Modoc County, 1.2 mi e of Springs Creek Rd); Timbered Crater 7.5' Quad. 1097 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  POM72146  Cynoglossum grande Geo. D. Butler 1909-4-14 594 Siskiyou Humbug Road. Comment
  HSC103019  Cynosurus echinatus J. P. Smith 2014-6-6 13876 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  SBBG26901  Cyperus acuminatus L. C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC114691  Cyperus bipartitus Louis C. Wheeler 1934-8-12 1049 Siskiyou 1/4 mi W of mouth of Walker Creek, a tributary of the Klamath River 426 Comment
  UC838417  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W. Fork Beaver Creek Siskiyou Mts., W. Fork Beaver Creek, Lund Ranch 1066 Comment
  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
  UC184030  Cyperus squarrosus Geo. D. Butler 1910-8-13 1835 Siskiyou Oro Fino Comment
  JEPS128836  Cypripedium californicum Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -053 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  CAS-BOT-BC133738  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136478  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou Field redacted by CAS, contact the data manager for more information 1219 Comment
  HSC1032  Cystopteris fragilis R. C. Wunner 1965-6-20 231 Siskiyou Lava Beds N.M., entrance of Thunderbolt Cave 1463 Comment
  RSA692794  Cystopteris fragilis L. C. Wheeler 1934-7-5 2879 Siskiyou Deer creek, Serling Mountain Comment
  HSC69133  Danthonia californica Maralyn A. Renner 1980-8-4 2231 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC192260  Danthonia californica W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  HSC68569  Danthonia unispicata Maralyn A. Renner 1980-6-24 1054 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC76235  Darlingtonia californica L. E. Smith 1913-6-29 s.n. Siskiyou Mount Eddy. Comment
  HSC67646  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-27 4522 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC70416  Darlingtonia californica Milo S. Baker 1888-1 Siskiyou Castle Lake Comment
  CAS-BOT-BC141837  Dasiphora fruticosa Peter H. Raven 1956-9-4 10417 Siskiyou On the summit of Mt. Eddy 2758 Comment
  SEINET4890503  Datisca glomerata G. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  RSA15800  Datura stramonium Carl B. Wolf 1927-8-26 1051 Siskiyou Klamath River. 3 miles below Gottenville P.O. Comment
  CAS-BOT-BC2183  Delphinium andersonii subsp. cognatum Elmer Ivan Applegate 1935-6-8 9453 Siskiyou West cinder slope of Sconchin Butte, Lava Beds National Monument Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  UC454019  Delphinium depauperatum I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  HSC27493  Delphinium depauperatum J. P. Smith, J. O. Sawyer 1972-5-27 5343 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA30376  Delphinium depauperatum Lincoln Constance, R. C. Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  CAS-BOT-BC8756  Delphinium glaucum John Thomas Howell 1937-7-22 13292 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC116169  Delphinium nuttallianum Elmer Ivan Applegate 1923-8-20 3904 Siskiyou Medicine Lake, Comment
  HSC41686  Delphinium nuttallianum J. P. Smith 1976-5-21 8753 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  RSA238284  Delphinium nuttallianum Frederick W. Oettinger 1968-9-8 786 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UCD96160  Delphinium nuttallianum Sandy Holloway 1963-5-19 58 Siskiyou 1 mile east of Humbug Creek. 853 Comment
  RSA13910  Deschampsia cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  SEINET10834708  Deschampsia danthonioides A. Arthur Heller 1915-7-18 Heller 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaces Jeffrey pine. Comment
  HSC19144  Deschampsia elongata J. O. Sawyer 1969-7-23 1450 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC86561  Deschampsia elongata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
Read comments
Mar 22 2012
  RSA12630  Deschampsia elongata C. B. Wolf 1934-7-4 5955 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  SJSU11313  Deschampsia elongata S. H. Casey 1981-7-4 1206 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 8 mi N of Seiad Valley 1524 Comment
  SEINET10524249  Deschampsia elongata A. Arthur Heller 1915-7-18 Heller 12134 Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CHSC118610  Dianthus armeria Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 201610 Siskiyou Lower Parks Creek watershed, E Klamath Range; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  UCD95492  Dicentra formosa Rolf Y. Berg 1964-7-15 8264 Siskiyou Seiad Valley. W of Cook and Green Pass and above Lily Pad Lake. Comment
  RSA433580  Dicentra formosa subsp. formosa Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA433582  Dicentra formosa subsp. formosa Donald Myrick 1968-6-26 2007 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps, alt 4800ft. 1463 Comment
  CAS-BOT-BC500904  Dichelostemma capitatum Mrs. H. C. Cantelow 1936-5-21 1329 Siskiyou North slope Scott Mountain above Callahan 1127 Comment
  CAS-BOT-BC500907  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka Comment
  CAS-BOT-BC502557  Dichelostemma congestum A. M. Vollmer; L. Beane 1951-5-31 34 Siskiyou Scott Mountain Comment
  RSA120196  Dichelostemma multiflorum S. S. Tillett 1956-7-11 701 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC164280  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  UC13853  Dichelostemma multiflorum C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC291010  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou Weed 1524 Comment
  UC444348  Dieteria canescens var. shastensis E. L. Greene 1876-1 Siskiyou Shasta River Comment
  CAS-BOT-BC291014  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2074 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC153450  Diplacus layneae H. D. Ripley; R. C. Barneby 1948-7-6 9634 Siskiyou Black Butte 1219 Comment
  CAS-BOT-BC153454  Diplacus layneae Alice Eastwood 1912-7-17 1271 Siskiyou Sisson Comment
  CAS-BOT-BC153457  Diplacus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  RSA237900  Disporum hookeri var. hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou White fir woods above Wiregrass Meadow, near English Lake. High Lake Basins in the vicinity of English Peak; Marble Mtn Wilderness Area. 1707 Comment
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  HSC86555  Dodecatheon alpinum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  UC1409478  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou high lake basins in the vicinity English Peak (sw side of Upper English Lake); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  HSC19085  Dodecatheon jeffreyi J. O. Sawyer 1969-7-3 1039 Siskiyou Near Lipstick Lake 1951 Comment
  HSC96403  Dodecatheon jeffreyi Gordon Leppig, J. Kalt 1996-7-9 353 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS82488  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou backside of Black Mt. Marble Mt. Wilderness Area, Black Mt. 2042 Comment
  HSC30792  Dodecatheon jeffreyi Melinda F. Denton 1973-6-30 2939 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  JEPS94821  Downingia cuspidata Vernon H. Oswald and Lowell Ahart 1998-6-11 9225 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  HSC3851  Downingia montana John H. Weiler, Lincoln Constance, E. Molseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy. 99, just N of the bridge over the Sacramento River at the N end of Lake Shasta. 396 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  CHSC88122  Downingia pulcherrima Jenny Marr 1993-7-1 132 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC59900  Draba howellii D. L. Goforth 1979-7-19 248 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  JEPS84107  Draba howellii L. R. Heckard with J. Hickman et al. 1986-7-17 6462 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, Kangaroo Peak, n of Seiad Valley Comment
  SEINET5342823  Draba nemorosa G. Butler 1910-4-10 1162 Siskiyou Dry thickets near Yreka. Comment
  CAS-BOT-BC41310  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  SEINET4852968  Draba pterosperma G. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1677 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 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
  UCSB17782  Dysphania botrys Breedlove, Dennis 1962-6-11 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  CHSC107139  Eleocharis decumbens R. E. Brainerd 2009-7-21 1536 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  CAS-BOT-BC112978  Eleocharis macrostachya D. E. Breedlove 1962-6-10 3325 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CHSC86646  Eleocharis macrostachya Jenny Marr 1993-7-1 29 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC113319  Eleocharis montevidensis David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr head of Yreka Creek at first spring. 1127 Comment
  RSA238951  Eleocharis palustris Frederick W. Oettinger 1968-9-5 716 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  RSA0037180  Eleocharis rostellata Lowell A. Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC197360  Elymus Copeland 1903-9-7 3794 Siskiyou Mt. Eddy Comment
  HSC103026  Elymus caput-medusae J. P. Smith 2014-6-7 13884 Siskiyou Yreka 844 Comment
  CAS-BOT-BC227918  Elymus elymoides Geo. D. Butler 1910-7-3 1932 Siskiyou Goosenest foothills 1219 Comment
  RSA210772  Elymus elymoides Jim Henrickson, C. W. Tilforth 1969-9-3 39037 Siskiyou Margin of desiccated alkali flat along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 mi. E of junction of Hwys 97 and 161l with Chenopodium rubrum, Atriplex argentea expansa. etc. Comment
  UC1483411  Elymus elymoides subsp. elymoides Maralyn A. Renner 1980-8-7 2418 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  HSC42161  Elymus elymoides var. californicus R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  HSC25414  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5661 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC69327  Elymus glaucus John S. Palmer 1980-8-12 739 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  LA14810  Elymus glaucus Louis C. Wheeler; 1934-4-14 3143 Siskiyou Siskiyou Mountains, E end White Mt 1767 Comment
  POM2058603  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  RSA239025  Elymus glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Edge of talus 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
  SEINET3379090  Elymus multisetus G. D. Butler 1910-1 1412 Siskiyou Yreka. Comment
  HSC91443  Elymus spicatus Jennifer Whipple 1977-8-6 2220 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  SEINET10566639  Elytrigia dasystachya subsp. dasystachya Louis C. Wheeler 1935-6-30 Wheeler 3627 Siskiyou Shasts Valley, 3 miles S of Grenada. Dry subsaline abobe flat. 792 Comment
  CAS-BOT-BC392231  Enemion stipitatum L. E. Smith 1913-3-26 22 Siskiyou Yreka, back of Catholic Cemetery Comment
  HSC16333  Epilobium brachycarpum D. M. Thomson 1965-7-31 159 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  HSC42919  Epilobium brachycarpum Ken Stillman 1976-8-31 458 Siskiyou E and N sides of Williams Point 366 Comment
  HSC67811  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-21 3833 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  SD88496  Epilobium ciliatum subsp. ciliatum Darley F. Howe 1972-7-5 Siskiyou 0.6 mile south iof Oregon state line on road to Happy Camp. 1707 Comment
  UC637087  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou e end of valley Seiad Valley, Walker Creek (creek is a tributary of Klamath River) 457 Comment
  RSA264969  Epilobium ciliatum subsp. glandulosum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  HSC68572  Epilobium glaberrimum Maralyn A. Renner 1980-6-23 696 Siskiyou W Fork Seiad Creek 878 Comment
  SEINET9073962 Image available Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-1 1150 Siskiyou Halway Spring, English to Diamond Lake. Trail 1829 Comment
  HSC19492  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-11 1314 Siskiyou Above S Sugar Creek 2012 Comment
  RSA237390  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1966-8-7 42 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC61787  Epilobium luteum Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  UC204402  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou near Deetz station (opposite Black Butte) 1158 Comment
  CAS-BOT-BC94899  Epilobium siskiyouense R. C. Wenk 2008-7-24 933 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road, below top of ridge at SE end of lake 1965 Comment
  HSC92073  Epilobium siskiyouense Jennifer Whipple 1976-7-24 1558 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  UC42526  Equisetum arvense Marshall A. Howe 1894-8-8 Siskiyou Shasta Springs Comment
  CAS-BOT-BC56945  Equisetum arvense G. B. Grant 1902-9-13 Z 3700 Siskiyou Sisson, N. Cal Comment
  UC371170  Equisetum laevigatum G. D. Butler 1909-5-22 879 Siskiyou Yreka Comment
  CAS-BOT-BC57804  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou Klamath National Forest, Big Flat Public Camp. W. side of Camp. 1524 Comment
  CAS-BOT-BC57808  Equisetum laevigatum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  HSC36752  Equisetum telmateia subsp. braunii Brent Whiteley 1975-6-23 42 Siskiyou 223 Comment
  UC197186  Eragrostis hypnoides Geo. D. Butler 1910-8-13 1836 Siskiyou Oro Fino Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  HSC81999  Eremogone congesta var. congesta Thomas W. Nelson, Jane P. Nelson 1979-6-16 4854 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC299470  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou Near Yreka Comment
  CHSC96728  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Mount Eddy, Klamath Mountains. Wagon Creek drainage on the east face of Mount Eddy. 2438 Comment
  UC637126  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1868 Comment
  UC205549  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mt. Eddy Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  POM357569  Erigeron aliceae M. B. Dunkle 1944-7-18 9138 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  CDA4409  Erigeron annuus F. D. Horn 1980-7-2 Siskiyou Indian Creek Road, just above Catholic Church, Happy Camp. 0 Comment
  CAS-BOT-BC294501  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-8 9446 Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  POM257621  Erigeron bloomeri var. pubens C. L. Hitchcock, J. S. Martin 1939-7-9 5329 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  HSC29206  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; on 'Shasta Ridge, SE of Diamond Lake 2073 Comment
  HSC67541  Erigeron compositus J. P. Smith, J. O. Sawyer 1972-6-30 5646 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  JEPS107396  Erigeron divergens Lowell Ahart, John Dittes 2005-6-10 12080 Siskiyou South edge of irrigated pasture, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC300431  Erigeron elegantulus L. E. Smith 1915-7-29 s.n. Siskiyou Bray Comment
  CAS-BOT-BC300476  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  HSC5515  Erigeron filifolius R. C. Wunner 1965-6-29 304 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  JEPS109824  Erigeron inornatus var. calidipetris Dean W. Taylor 2005-7-13 19396 Siskiyou Big Sand Flat (ca. 8 air miles N of Bartle on Highway 89), along Forest Road 40N17 road leaving SW corner of the flat 1402 Comment
  JEPS29180  Erigeron klamathensis Lauramay Dempster 1961-7-1 1832 Siskiyou slopes se White Mountains Comment
  JEPS89705  Erigeron klamathensis Dean William Taylor 1972-7-3 1599 Siskiyou at Cook and Green Pass Cook and Green Pass 1371 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  HSC92788  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-9 1359 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  RSA715773  Erigeron philadelphicus L. Ahart, John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, irrigated pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 air miles S of Highway 99/97 cutoff, about 6 air miles ESE of Grenada 777 Comment
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UC1034642  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou between Weed and Gazelle; Shasta Valley 914 Comment
  SEINET202018  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou Open slope in forest clearing on Wildcat Creek Road ca. 4 miles west of Callahan 1067 Comment
  HSC35112  Eriogonum compositum var. compositum J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  CAS-BOT-BC255731  Eriogonum elatum var. elatum Edward Lee 1934-8-14 1096 Siskiyou Near summit of Little Grayback 1828 Comment
  CAS-BOT-BC255757  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC261217  Eriogonum hirtellum James L. Reveal; Darin S. Reveal 1978-8-9 4813 Siskiyou Along the dirt road to Baldy Mountain Lookout (USFS #17N11), 0.6 mile south of the junction of 17N23 on a ridge dividing Doolittle Creek and Little south Fork about 3.5 miles north-northeast of the lookout 1341 Comment
  UC637104  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou near Hamburg (s bank of Klamath River between McKinney and Parkouse creeks); Klamath River 609 Comment
  SEINET11938095  Eriogonum marifolium W. B. Cooke 1941-1 16290 Siskiyou near Horse Camp, Mt. Shasta 2438 Comment
  CHSC110786  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest. 1210 Comment
  CAS-BOT-BC267387  Eriogonum marifolium var. marifolium Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mount Shasta. Horse Camp Flats 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
  HSC17301  Eriogonum microthecum var. laxiflorum R. C. Wunner 1965-8-21 457 Siskiyou Lava Beds National Monument, 1.5 mi. from NW ranger station along rd. at base of Gillem's Bluff 1250 Comment
  CAS-BOT-BC261621  Eriogonum nudum var. nudum Alice Eastwood 1912-7-17 1194 Siskiyou Sisson Comment
  SEINET7064409  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. (NAD83/WGS84). UTM Zone 10, 531857mE, 4623863mN. Comment
  UC54705  Eriogonum nudum var. nudum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SD22707  Eriogonum nudum var. oblongifolium Susan G. Stokes none given Siskiyou Lava Butte Comment
  CAS-BOT-BC272490  Eriogonum nudum var. pubiflorum Doris K. Kildale 1928-7-25 5874 Siskiyou Klamath River, between Brown's Resort & Gottville 579 Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  CHSC98694  Eriogonum ovalifolium var. eximium L. P. Janeway; B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. 2067 Comment
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Mar 28 2018
  RSA142605  Eriogonum pyrolifolium var. pyrolifolium P. A. Munz 1960-8-22 24195 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  JEPS56446  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou near Shackelford Creek; Quartz Valley Comment
  UC637180  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou e mouth of Walker Creek (a tributary of the Klamath River) (e end of Seiad Valley); Seiad Valley 441 Comment
  CHSC71594  Eriogonum siskiyouense Vernon H. Oswald; Lowell Ahart 1998-8-3 9406 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside opening. 1524 Comment
  HSC43444  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2188 Siskiyou Slopes near Little Crater Lake 2195 Comment
  HSC43454  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  UC727196  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy 2682 Comment
  CAS-BOT-BC267928  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Creek 914 Comment
  CAS-BOT-BC267965  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  RSA181627  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 460 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  UC163829  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  JEPS57171  Eriogonum umbellatum var. humistratum L. R. Heckard 1967-8-13 1704 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  SEINET3860108  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mi WSW of California Hwy 3, about 6.1 air mi SW of Fort Jones and 5.7 air mi N of Etna.; 0 869 Comment
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  HSC54725  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10128 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC77563  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-11 660 Siskiyou Poker Flat 1524 Comment
  SEINET5332086  Eriogonum vimineum G. Butler 1910-6-17 1572 Siskiyou Dry hill near Yreka. Comment
  HSC91336  Eriophorum crinigerum Jennifer Whipple 1977-7-21 2018 Siskiyou Near Durney Lake 2073 Comment
  RSA238940  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou Common around small pools in wet boreal meadow that feeds Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA238942  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou Just N of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCSB15884  Eriophyllum lanatum Breedlove, Dennis 1962-6-10 Siskiyou Grassy road- bank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  SEINET10672044  Eriophyllum lanatum Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 684 Siskiyou 11 mi. N of Weed, on U.S. Hwy. 97; decomposed lava, sandy on slight S-E facing slope. 1250 Comment
  UC195374  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou near Wagon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CAS-BOT-BC301128  Eriophyllum lanatum var. achilleoides Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka Comment
  RSA302656  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-7-25 2222 Siskiyou Hwy. 97, near Mt. Shasta 1524 Comment
  HSC65397  Eriophyllum lanatum var. lanceolatum R. White 1977-7-7 112 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  POM30802  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-29 1394 Siskiyou Humbug Mountain. 1220 Comment
  UC1409449  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou ne Horse Range Lake (w Siskiyou County, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  UC718155  Eriophyllum lanatum var. lanceolatum Carl B. Wolf 1934-7-4 5943 Siskiyou 13.5 mi from Horse Creek Bridge (Dry Lake Lookout); Siskiyou Mountains, Klamath River, Horse Creek, Dry Lake 1524 Comment
  CAS-BOT-BC301722  Eriophyllum lanatum var. lanceolatum Lester Rowntree 1935-6-6 s.n. Siskiyou Klamath River Comment
  SDSU4103  Eriophyllum lanatum var. lanceolatum D. F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp on #96. 549 Comment
  HSC21490  Eryngium articulatum Doris K. Kildale 1925-9-7 1301 Siskiyou Klamath between Somes Bar and Happy Camp Comment
  RSA59507  Erysimum capitatum E. K. Balls 1950-5-16 14707 Siskiyou About Caldwell Caves, Lava Beds Nat l Monument. 1555 Comment
  CAS-BOT-BC55116  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34269 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 1828 Comment
  SEINET13694516 Image available Erythranthe alsinoides Sandra Holloway 1963-1 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  CHSC118627  Erythranthe guttata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  SD61025  Erythranthe primuloides Darley F. Howe 1964-8-4 Siskiyou Meadow, Medicine Lake, Modoc Nat. Forest 2012 Comment
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  SEINET12044932  Erythronium citrinum E. I. Applegate 1932-1 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  UC375278  Eschscholzia californica Geo. D. Butler 1908-6-23 1063 Siskiyou near Yreka Comment
  RSA445608  Eschscholzia californica subsp. californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC310449  Eucephalus engelmannii J. F. Emmel 1968-7-23 93 Siskiyou Caribou Lake, Trinity Alps 2072 Comment
  UC1557892  Eucephalus glabratus J. Semple, S. Heard 1986-8-16 8492 Siskiyou sW of Etna (Etna Summit on Forest HWY 93) Comment
  UCD77363  Eucephalus ledophyllus Robert E. Preston 2001-7-21 1705 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1920 Comment
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Nov 7 2014
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC42977  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2736 Siskiyou Along Specimen Creek 915 Comment
  UCR66546  Euphorbia lathyris L. C. Wheeler 1934-11-4 03358 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  RSA0036537  Eurhynchiastrum pulchellum James R. Shevock, Ken Kellman 2012-10-6 41162 Siskiyou Above Sugar Lake accessed via trailhead off of FS road 41N14. 1821 Comment
  CAS-BOT-BC310638  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  UC166191  Eurybia radulina Geo. D. Butler 1908-7-22 293 Siskiyou on Fort Jones and Yreka Road Fort Jones, Yreka Road Comment
  UCD98900  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  HSC103039  Festuca arundinacea J. P. Smith 2014-6-7 13897 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  CAS-BOT-BC94540  Festuca californica R. C. Wenk 2006-7-24 531 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  CAS-BOT-BC278733  Festuca idahoensis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest, N. Hungry Creek 1219 Comment
  CAS-BOT-BC278735  Festuca idahoensis Elmer I. Applegate 1935-6-10 9463 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC103047  Festuca idahoensis J. P. Smith 2014-6-7 13905 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC42966  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-5-29 2752 Siskiyou Along Specimen Creek. 884 Comment
  HSC74870  Festuca idahoensis J. P. Smith, Jennifer Whipple 1978-7-2 9970 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC92559  Festuca idahoensis Jennifer Whipple 1977-8-4 2154 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  HSC92562  Festuca idahoensis Jennifer Whipple 1977-8-4 2150 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  RSA239115  Festuca idahoensis Frederick W. Oettinger 1969-8-16 1410 Siskiyou Northeast Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA184785  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  SBBG575  Festuca microstachys var. microstachys J. M. Tucker 1947-5-17 1557 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  UC817929  Festuca pratensis Louis C. Wheeler 1934-6-22 2750 Siskiyou Cottonwood Creek Siskiyou Mts., Mt. Diablo Mer. 914 Comment
  UC922370  Festuca roemeri Annie M. Alexander and Louise Kellogg 1949-7-22 5844 Siskiyou trail to Kings Castle, top of ridge Marble Mountains, Paradise Lake 2072 Comment
  UCD66266  Festuca roemeri A. H. Murphy 1959-7-22 59 I Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  UCD66277  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  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
  CHSC99977  Festuca viridula L. P. Janeway 2008-7-26 9510 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southeast of Heart Lake and about 0.8 km south of Castle Lake. 1922 Comment
  RSA47798  Fragaria californica Roxana S. Ferris, Laura Lorraine 1948-6-12 11741 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  CAS-BOT-BC457569  Fragaria vesca subsp. californica Alice Eastwood 1923-5-27 11939 Siskiyou Shasta Springs Comment
  UCD113261  Fragaria virginiana Wm. E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. Comment
  CAS-BOT-BC53419  Frangula californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley 883 Comment
  CAS-BOT-BC59984  Frangula purshiana John Thomas Howell 1939-8-9 15238 Siskiyou Shackleford Creek Trail. Marble Mts. Comment
  CAS-BOT-BC59988  Frangula purshiana Elmer I. Applegate 1895-5-30 s.n. Siskiyou Sisson, w. base of Mt. Shasta. Comment
  SBBG26935  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-25 Siskiyou Mack's Crk near Hamburg along Klamath River Comment
  CAS-BOT-BC59597  Frangula rubra subsp. rubra Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  SEINET8584501  Frasera albicaulis var. nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka. Comment
  UC375207  Fritillaria atropurpurea Geo. D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  POM109736  Fritillaria atropurpurea Geo D. Butler 1910-4-24 1235 Siskiyou Kidder Creek Comment
  HSC45199  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-21 2981 Siskiyou Near Prescott Peak 1677 Comment
  JEPS25698  Galium aparine P. C. Hutchison 1961-5-22 2034 Siskiyou US 299 at Browns Creek (3.7 mi s of Clear Creek, on w side of river, s of Happy Camp); Klamath River Comment
  JEPS18603  Galium bolanderi Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5962 Siskiyou about 3 1/2 mi below (ne) Gumboot Lake; Canyon of South Fork of Sacramento River 1402 Comment
  SBBG18757  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou Scott River near Mill Crk 1219 Comment
  UCSB7781  Galium bolanderi Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Marble Mountains 1219 Comment
  UCD121617  Galium boreale P. B. Schultz 1967-7-12 83 Siskiyou 8 miles north of Siskiyou-Shasta county line on State Highway 89. 1219 Comment
  CHSC63611  Galium boreale subsp. septentrionale Vernon Oswald; Lowell Ahart 1994-8-10 6459 Siskiyou 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
  SBBG18787  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-6-30 8012 Siskiyou White Mtn Comment
  POM253613  Galium glabrescens subsp. glabrescens C. Leo Hitchcock, J. S. Martin 1939-7-6 5228 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  UC1586850  Galium trifidum var. pusillum Juha Pykala and D. H. Norris 1987-7-8 2454 Siskiyou n shore Medicine Lake 2040 Comment
  HSC400  Galium triflorum William J. Ferlatte 1967-8-19 1033 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's, near 'Riverside 1524 Comment
  CAS-BOT-BC56237  Gaultheria humifusa Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lake, Salmon Alps 2133 Comment
  HSC38129  Gaultheria humifusa J. O. Sawyer 1976-10-23 2826 Siskiyou W of Little Duck Lake Comment
  HSC30574  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  RSA12606  Gayophytum heterozygum Carl B. Wolf 1934-7-6 5979 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  UC1409239  Gayophytum humile Frederick W. Oettinger 1969-8-14 1379 Siskiyou English Salmon Mountains, Marble Mountainb Wilderness Area (campsite, w Siskiyou Co., high lake basins in vicinity of English Peak) 1737 Comment
  UC1360457  Gentiana calycosa J. M. Tucker and L. K. Mann 1963-8-18 3746 Siskiyou open sunny slope ca 1/2 mi ne Marble Valley Guard Station; Marble Mountain Wilderness area, Upper Canyon Creek 1920 Comment
  HSC60905  Gentiana calycosa Al Hobart Siskiyou Black Butte Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  UC185731  Gentianella amarella subsp. acuta Copeland 1903-9-6 3849 Siskiyou Mt. Eddy Comment
  SEINET8567382  Geranium oreganum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC1299120  Geum macrophyllum Freed W. Hoffman 1951-7-15 4032 Siskiyou Marble Mountains, Hammond Camp, western Siskiyou County Hammond Camp; North Coast Ranges, Marble Mountains, Hammond Camp 1524 Comment
  UC165263  Geum triflorum Geo. D. Butler 1909-6-20 922 Siskiyou Goosenest Foothills Comment
  CAS-BOT-BC143592  Geum triflorum Dorothy Parker 1948-7-11 96 Siskiyou Sam's Neck, near Dorris 1371 Comment
  RSA436245  Githopsis specularioides James Payne Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River. Comment
  HSC67728  Glyceria elata John S. Palmer 1980-8-12 692 Siskiyou SE of Wards Gap. 1189 Comment
  UC819300  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1158 Comment
  UCD85119  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  HSC31080  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1234 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  POM229180  Glyceria striata L. C. Wheeler 1935-7-24 3693 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1950 Comment
  CDA6026  Gnaphalium palustre T. C. Fuller 1962-8-3 9511 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  JEPS34001  Gnaphalium palustre George D. Butler 1908-7-16 314 Siskiyou Klamath River near Anderson's Ferry; Klamath River Comment
  HSC19395  Goodyera oblongifolia J. O. Sawyer 1968-6-18 195 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC19398  Goodyera oblongifolia J. O. Sawyer 1968-9-13 718 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC13544  Goodyera oblongifolia W. C. Blasdale 1894-8-8 Siskiyou Shasta Springs Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  RSA69946  Grayia spinosa F. W. Peirson 1923-7-19 3716 Siskiyou About 2 miles S of Oregon line, Lowest Klamath Lake. Comment
  UC166149  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  HSC29273  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: 30 yds. SE of Tom Taylor Cabin 2027 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  HSC22135  Hackelia micrantha J. O. Sawyer 1969-6-13 949 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC22138  Hackelia micrantha J. O. Sawyer 1969-8-1 1675 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76635  Hackelia micrantha K. T. Stillman 1976-6-25 35 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC1186470  Hackelia setosa John Weiler, A. P. Nelson 1960-6-26 60222 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  RSA495512  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  CHSC71612  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Rd: (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  SBBG111489  Hastingsia alba J. M. Tucker, L. K. Mann 1963-7-7 3722 Siskiyou ca. 0.25 mi N of Paradise Lake, Marble Mtn Wilderness 1981 Comment
  SD46490  Hastingsia alba E. K. Balls, L. W. Lenz 1956-6-18 21720 Siskiyou In boggy meadows and ditches. 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir. 883 Comment
  RSA68941  Hastingsia alba A. E. Culbertson 1943-7-6 17 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  RSA183695  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Mountains, Marble Valley Comment
  HSC4760  Helenium bigelovii William J. Ferlatte 1966-8-2 231 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  UC165255  Helenium bigelovii Geo. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC306732  Helenium bigelovii Wm. Bridge Cooke 1940-7-5 15260 Siskiyou Mount Shasta. Throughout Wagon Camp 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
  SEINET11196739 Image available Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon River, just above mouth of Blind Horse Creek 887 Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  HSC26927  Helianthus bolanderi J. P. Smith, J. O. Sawyer 1971-9-18 4837 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC313463  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  SFV4041  Hemizonella minima J. M. Tucker 1963-7-4 3695 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  POM360344  Hemizonia fasciculata Cora Mae Life 1923-08 14394 Siskiyou Near Horse Camp, Mt. Shasta. Comment
  HSC69511  Heracleum maximum Maralyn A. Renner 1980-7-14 1735 Siskiyou Near road at switchback, headwaters of Etna Creek 1707 Comment
  RSA184729  Hesperochiron pumilus Gilbert Muth 1966-7-8 368 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  UC1212419  Hesperolinon micranthum Herbert L. Mason 1937-5-15 Siskiyou 1 mi s Boulder Creek (between Lemoine and Dunsmuir) Comment
  RSA435709  Hesperolinon micranthum Louis C. Wheeler 1934-6-2 2614 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CHSC71480  Heterocodon rariflorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9357 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  UC164322  Heterocodon rariflorum Geo. D. Butler 1910-7-8 1662 Siskiyou Shackleford Creek 1219 Comment
  JEPS5823  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou near Yreka (McNulty's field) Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC424371  Heuchera rubescens Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jayne canyon, Siskiyou Mts. 2042 Comment
  CAS-BOT-BC319680  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  HSC59899  Hieracium horridum D. L. Goforth 1979-7-19 255 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  UC455914  Hieracium nudicaule I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC2411  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC320110  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta 2407 Comment
  HSC29126  Hieracium triste Frederick W. Oettinger 1968-8-8 448 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Ridge above Upper English Lake near trail to English Peak 2165 Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  HSC44982  Holodiscus discolor J. O. Sawyer 1978-6-21 3286 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  RSA760953  Holodiscus discolor Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1768 Comment
  CAS-BOT-BC150141  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  RSA597964  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-8-31 8324 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  JEPS107663  Hordeum depressum Lowell Ahart, John Dittes 2005-6-9 12001 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-BC143956  Horkelia daucifolia L. B. Kildale 1930-6-1 9825 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC143959  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan Comment
  UC186573  Horkelia daucifolia J. G. Lemmon and Mrs. J. G. Lemmon 1889-6-28 Siskiyou near Edgewood (n California); U. S. Pacific Slope; near Edgewood Comment
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Mar 14 2015
  RSA3817  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Siskiyou County: Klamath and Shasta Valley, near Gazelle Comment
  JEPS82345  Horkelia fusca subsp. parviflora L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2302 Siskiyou .8 mi s Bray (junction of U. S. 97); Murphy Wells 1493 Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  CAS-BOT-BC536224  Horkelia fusca var. parviflora Ella Dales Cantelow 1939-6-10 2587 Siskiyou 17.6 miles SE of McCloud on road to Burney Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  UC221640  Horkelia tridentata subsp. tridentata H. E. Brown Jul 1 1897-Jul 15 1897 479 Siskiyou n side Mt. Shasta 1524 Comment
  UC481099  Horkelia tridentata subsp. tridentata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC539431  Horkelia tridentata var. tridentata Wm. Bridge Cooke 1940-7-6 15097 Siskiyou Dry openings in pine woods along the Pacific Highway, US99, between Mount Shasta City and Black Butte Comment
  CAS-BOT-BC55496  Hornungia procumbens John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53377 Siskiyou Shasta Valley. 2 miles south of Grenada. 762 Comment
  CAS-BOT-BC201136  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15090 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  HSC98313  Hosackia oblongifolia D. E. Anderson 1962-8-5 2312 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  JEPS81069  Hulsea nana J. P. Smith, L. Barker, J. Cole, and J. Whipple 1976-7-28 Siskiyou summit Mt. Eddy (Siskiyou-Trinity County line) 2751 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC164143  Hydrophyllum occidentale Geo. D. Butler 1909-4-25 691 Siskiyou Quartz Valley Comment
  UC169012  Hydrophyllum occidentale Harley P. Chandler 1901-6-24 1588 Siskiyou near Marble Mountain (between Haypress Meadow and Cottei Meadow); North Coast Ranges 2133 Comment
  CAS-BOT-BC312849  Hymenoxys lemmonii Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 mi. E Grenada 853 Comment
  SBBG4755  Hypericum anagalloides H. and M. Dearing 1939-7-1 3768 Siskiyou Etna Crk, W of Etna 1219 Comment
  UC454936  Hypericum anagalloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  SEINET6178738  Hypericum perforatum Alv Dan Youngberg 1964-6-15 20 Siskiyou Growing in a grass and brush cover. Humbolt Meridian.; 0 366 Comment
  CAS-BOT-BC401288  Hypericum perforatum Doris K. Kildale 1928-7-1 5320 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC401471  Hypericum scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  POM211385  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  CAS-BOT-BC88626  Idahoa scapigera George Dexter Butler 1910-3-21 1136 Siskiyou Drylands near Yreka. Comment
  CAS-BOT-BC206826  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  LA40958  Iliamna bakeri Lincoln Constance; 1940-6-28 15193 Siskiyou Memorial Highway, Mount Shasta 1523 Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  HSC58931  Ipomopsis aggregata Marvin Butler 1971-8-13 126 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1555 Comment
  UCD77784  Ipomopsis aggregata Robert E. Preston 2002-7-12 1910 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  UC1409307  Ipomopsis aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Pine Trail Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  CHSC1231  Ipomopsis aggregata subsp. formosissima V. Holt 1932-6-21 Siskiyou Black Butte meadow. 1158 Comment
  RSA211092  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-6-22 86 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  CHSC88128  Iris missouriensis Jenny Marr 1993-7-1 139 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS17240  Iris tenuissima W. L. Jepson 1940-7-3 20094 Siskiyou Bartle 1188 Comment
  UC4296  Iris tenuissima Harley P. Chandler Jun 1901 1570 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CDA12116  Isatis tinctoria G. F. Hrusa 1990-4-2 7841 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  HSC64148  Isatis tinctoria J. P. Smith 1973-5-5 6404 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC400937  Isoetes bolanderi Geo. D. Butler 1908-8-4 255 Siskiyou lake at head of Shackleford Creek Comment
  UCD135770  Isoetes bolanderi Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Frying Pan Lake, east of Marble Mountain, Marble Mountains. 1783 Comment
  CAS-BOT-BC324837  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1219 Comment
  HSC76638  Ivesia gordonii var. alpicola K. T. Stillman 1976-6-25 60 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  HSC76933  Juncus drummondii K. T. Stillman 1976-8-8 397 Siskiyou Marble Mtn. Wilderness Area, trail from Jump off to Paradise Lake Comment
  HSC74815  Juncus dubius J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  HSC36769  Juncus dubius Brent Whitely 1975-6-28 93 Siskiyou 915 Comment
  HSC67454  Juncus effusus subsp. pacificus J. P. Smith, Steve Selva 1970-7-16 4375 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CHSC78937  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. Comment
  JEPS66991  Juncus ensifolius Geo. D. Butler 1910-6-21 1596 Siskiyou Yreka Creek Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 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
  JEPS109262  Juncus howellii D. W. Taylor 2002-8-7 18297 Siskiyou Trinity Mountains; logging road below Tamarack Lake, E Fork Trinity River, seepage area ca 300 m S of area shown on topographic maps as 499IT, 0.2 mi N of the creek crossing. Comment
  CAS-BOT-BC110804  Juncus mertensianus Wm. Bridge Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  UC1026899  Juncus nevadensis F. J. Hermann 1940-8-8 15444 Siskiyou near Squaw Valley Creek; Mount Shasta Comment
  CHSC71610  Juncus orthophyllus Vernon H. Oswald; Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along roadside drainage. 1554 Comment
  RSA211377  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  UC1190203  Juncus tenuis Ira L. Wiggins 1955-7-21 13429 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  CAS-BOT-BC81234  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  CAS-BOT-BC81242  Juniperus occidentalis Elmer I. Applegate 1904-6-15 3082 Siskiyou Laird, Shasta Valley Comment
  CAS-BOT-BC81238  Juniperus occidentalis F. P. Keen 1929-10-17 s.n. Siskiyou Mayfield Ice Cave near Modoc-Siskiyou County line Comment
  NY20171  Juniperus occidentalis A. A. Heller 1905-6-9 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1034640  Juniperus occidentalis Milo S. Baker 1955-6-26 13071 Siskiyou 2 mi s Gazelle (Hwy. 99) 914 Comment
  RSA240064  Juniperus occidentalis var. occidentalis Frederick W. Oettinger 1969-8-25 1558 Siskiyou Ft. Jones. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  POM120190  Juniperus occidentalis var. occidentalis Geo D. Butler 1909-12-10 1102 Siskiyou Klamath hills Comment
  SEINET11056608  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2340 Siskiyou Scott Mountains, Willow Creek, on road to Callahan 5 road miles SW of Gazelle. 933 Comment
  CAS-BOT-BC56357  Kalmia microphylla subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek 1676 Comment
  CAS-BOT-BC56361  Kalmia microphylla subsp. microphylla Doris K. Kildale 1928-8-19 6511 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC44964  Kalmia polifolia J. O. Sawyer 1978-6-20 3277 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  CHSC30111  Kalmia polifolia subsp. microphylla M. S. Taylor 1980-6-4 2789 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  UC335726  Keckiella breviflora J. G. Lemmon Oct 1889 Siskiyou near Dunsmuir (Soda Spring); Soda Spring Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  JEPS12462  Kelloggia galioides W. L. Jepson 1940-6-28 20055 Siskiyou McCloud 975 Comment
  RSA105437  Kelloggia galioides G. D. Barbe 1955-7-26 289 Siskiyou W of the summit of Scott Mtn. Near a grove of Abies magnifica. 2043 Comment
  CAS-BOT-BC273776  Koeleria pyramidata Elmer I. Applegate 1935-6-8 9435 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  RSA0104505  Kopsiopsis strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness area. On the north side of Charmaine Lake. 1920 Comment
  CAS-BOT-BC340364  Kyhosia bolanderi Annie M. Alexander; Louise Kellogg 1949-7-30 5903 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC340367  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC341694  Lagophylla ramosissima Doris K. Kildale 1928-7-25 5866 Siskiyou Klamath River between Gottville & Brown's Resort Comment
  CAS-BOT-BC341697  Lagophylla ramosissima K. L. Chambers 1967-6-22 2851 Siskiyou Siskiyou Mountains. Knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1005 Comment
  RSA215847  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek, Siskiyou Mts, Mt. Diablo Mer. 1006 Comment
  CAS-BOT-BC204985  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek Comment
  JEPS96695  Lathyrus lanszwertii var. aridus Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15984 Siskiyou ca. 4 air mi. s.w. Gazelle; Scott Mts., Yreka Ditch, Shasta Valley; ca. 4 air mi. s.w.; hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley 960 Comment
  HSC39994  Lathyrus tracyi J. P. Smith 1973-5-5 6517 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA183459  Ledum glandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  CAS-BOT-BC89183  Lepidium draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka. Comment
  CDA3796  Lepidium latifolium J. R. Grisham 1967-9-25 Siskiyou Indian Tom Lake, Dorris. 0 Comment
  HSC59843  Lepidium pinnatifidum Clark L. Miller 1979-4-28 1107 Siskiyou 12 mi. E of Hwy. 96 along road to Forks of Salmon Comment
  POM230550  Leptosiphon ciliatus J. T. Howell 1937-7-22 s.n. Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA31680  Leptosiphon ciliatus A. A. Heller 1938-7-12 s.n. Siskiyou Along US Hwy. 97, 5 miles north of Weed Comment
  HSC36772  Leptosiphon harknessii J. P. Smith 1974-5-25 7416 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  JEPS20610  Lessingia nemaclada W. L. Jepson 1914-8-14 6168 Siskiyou Dunsmuir 670 Comment
  UC306184  Lessingia nemaclada G. B. Grant 1902-9-11 5213 Siskiyou Dunsmuir Comment
  OBI55427  Lessingia nemaclada David J. Keil 1992-7-20 23486 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  POM41722  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Oro Fino Comment
  POM56235  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  SEINET3887016 Image available Leucocrinum montanum D. E. Bright 1961-6-15 194 Siskiyou 5 miles west of Bray, California.; 0 Comment
  CAS-BOT-BC228829  Leucothoe davisiae Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1928 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  CAS-BOT-BC58262  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  RSA238389  Leucothoe davisiae Frederick W. Oettinger 1967-8-3 230 Siskiyou Borner at the N. end of Diamond Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  SEINET2029206 Image available Leucothoe davisiae John P. Young 1921-9-15 s.n. Siskiyou Etna Mills Comment
  UC1409437  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou at n end of Little Hancock Lake, in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Little Ha 2042 Comment
  CDA23972  Lewisia cotyledon D. L. Janssen, F. D. Horn 1978-5-19 Siskiyou Scott Bar Mountain Lookout, approximately 20 km west of Fort Jones. 0 Comment
  HSC86280  Lewisia cotyledon J. O. Sawyer 1983-7-7 4234 Siskiyou On trail from Bunn's Basin to Medicine Mtn. 1707 Comment
  RSA756941  Lewisia cotyledon R. F. Thorne 1969-8-2 63342 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC444046  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  HSC4442  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin 1982 Comment
  UC1190112  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Caribou Lake, pass at sw end Salmon-Trinity Alps Primitive Area 2072 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC77042  Lewisia nevadensis K. T. Stillman 1976-6-25 25 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC444578  Lewisia triphylla Ira L. Wiggins 1955-7-27 13539 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC283814  Leymus cinereus L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC283817  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  RSA261387  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC76876  Ligusticum californicum K. T. Stillman 1976-9-9 465 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  JEPS25813  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek 1219 Comment
  UC630405  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou 12 mi. s.w. Etna (above s.e. end of Taylor Lake); Salmon Mts. 2194 Comment
  RSA105417  Lilium kelleyanum G. D. Barbe 1955-6-29 47 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  RSA12590  Lilium kelleyanum Carl B. Wolf 1934-7-6 5996 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  RSA761679  Lilium pardalinum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63355 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  JEPS105029  Lilium pardalinum subsp. shastense Dean W. Taylor 1996-7-23 15815 Siskiyou Patterson Creek headwaters (about 6 air miles northwest of Etna); Klamath National Forest 1493 Comment
  JEPS96802  Lilium pardalinum subsp. shastense Dean W. Taylor 1999-8-12 17305 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  RSA0000361  Lilium pardalinum subsp. wigginsii L. Beane, A. M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border, west of highway 99. Comment
  UC618680  Lilium washingtonianum unknown 1938-7-22 11328 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC133092  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  JEPS58261  Linanthus bolanderi Geo. D. Butler 1909-4-26 617 Siskiyou Oro Fino Comment
  JEPS58437  Linanthus harknessii W. L. Jepson 1940-7-3 20115 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  RSA73296  Linanthus pungens subsp. hookeri F. W. Peirson 1923-7-19 3809 Siskiyou Road crossing over Whitney Creek, foot of Mt. Shasta Comment
  UCR131613  Lindernia dubia var. dubia L. C. Wheeler 1934-9-15 3261 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC240387  Linnaea borealis subsp. longiflora Doris K. Kildale 1928-7-3 5441 Siskiyou Little North Fork Salmon River near mouth Comment
  HSC53278  Linnaea borealis subsp. longiflora Butler 1971-7-29 238 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Junction. 1464 Comment
  CAS-BOT-BC240384  Linnaea borealis subsp. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill Comment
  UC912441  Linnaea borealis var. longiflora D. Tebbe 1929-7-15 137 Siskiyou Salmon Mountains Comment
  HSC43835  Linum lewisii Maralyn O'Meara 1974-5-27 489 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  HSC62309  Listera convallarioides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  POM301573  Lithocarpus densiflorus var. densiflorus Marion Ownbey, F. G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CHSC619  Lithocarpus densiflorus var. echinoides V. Holt 1936-7-3 Siskiyou Shasta City. 1097 Comment
  HSC27484  Lithophragma affine J. P. Smith, J. O. Sawyer 1972-5-27 5355 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  POM92054  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Yreka. Comment
  SJSU6066  Lithophragma heterophyllum R. W. Trivelpiece 1971-6-1 4 Siskiyou East Fork of Horse Cr between White Mt & White Cloud Mt c. 5 mi from Oregon border 1219 Comment
  CAS-BOT-BC435632  Lithophragma heterophyllum Gilbert Muth 1966-7-14 385 Siskiyou Slopes above Marble Vally, Marble Gap Trail, Marble Mts. 1813 Comment
  CAS-BOT-BC443351  Lithophragma parviflorum Alice Eastwood; John Thomas Howell 1931-4-20 1755 Siskiyou Near Yreka, on Ft. Jones road Comment
  JEPS98786  Lolium Sue Pappalardo 1993-7-19 508 B Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  CAS-BOT-BC269146  Lolium perenne Geo. D. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  UC166092  Lolium perenne Geo. D. Butler 1910-6-15 1563 Siskiyou near Yreka Comment
  SEINET3143862  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC78321  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  UC1473423  Lomatium engelmannii Gilbert Jerome Muth 1978-8-4 7757 Siskiyou near Scott Mountain (close to town of Callahan) 2080 Comment
  UC1037451  Lomatium macrocarpum Milo S. Baker 1955-6-25 13070 Siskiyou Hwy. 99 2 mi. s. Gazelle 914 Comment
  UC595106  Lomatium macrocarpum David D. Keck 1938-8-6 4810 Siskiyou at Del Norte Co. line Poker Flat (summit of Siskiyou Mts., 4 mi. s. of Oregon line, on rd. from Waldo to Happy Camp); Siskiyou Mts., Poker Flat 1555 Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  HSC46187  Lomatium nevadense Jennifer Whipple 1977-4-30 1883 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC68485  Lomatium nudicaule Maralyn A. Renner 1980-6-22 881 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  CAS-BOT-BC240846  Lonicera interrupta C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  CAS-BOT-BC240849  Lonicera interrupta Lewis S. Rose 1945-6-18 45128 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA610629  Lonicera interrupta L. C. Wheeler 1934-6-26 2784 Siskiyou Klamath River at Camp Lower; Siskiyou Mts. Mt. Diablo Mer. 762 Comment
  UC1045270  Lonicera interrupta W. Bridge Cooke 1940-6-20 15161 Siskiyou along the Pacific Highway Klamath River Gorge Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  UC454695  Lotus crassifolius var. crassifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat, along S.P.R.R. Comment
  UC1037355  Lotus nevadensis var. nevadensis Douglas Barbe 1955-6-28 11 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
  UC375403  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-4 395 Siskiyou Cold Spring Wooley Creek Comment
  UC618758  Lotus oblongifolius var. oblongifolius unknown 1938-7-1 11115 Siskiyou along the creeks from Bear Springs Mount Shasta, Bear Springs 1524 Comment
  RSA756209  Lotus pinnatus Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9355 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  HSC29397  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  SBBG3501  Lupinus albicaulis H. and M. Dearing 1939-6-30 3763 Siskiyou Callahan-Trinity Alps Rd Comment
  RSA519115  Lupinus albicaulis var. albicaulis 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
  UC1190235  Lupinus albicaulis var. shastensis Ira L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi above Mt. View Ranch; Rush Creek Trail, above Mt. View Ranch 1097 Comment
  CDA27353  Lupinus albicaulis var. shastensis C. S. Giebner 1963-7-31 Siskiyou Kerr property, Flying K Ranch, Quartz Valley, ca. 2 miles south of Mugginsville. 0 Comment
  RSA60787  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  HSC42148  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  CHSC900  Lupinus albifrons var. collinus V. Holt 1937-5-5 Siskiyou Below Dunsmuir. 609 Comment
  UC796507  Lupinus albifrons var. collinus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11725 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  RSA237946  Lupinus andersonii var. andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Crapo View Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS95135  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  CAS-BOT-BC196376  Lupinus argenteus var. heteranthus Elmer I. Applegate 1923-9-17 3830 Siskiyou South end of Lower Klamath Lake Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA12624  Lupinus breweri var. breweri Carl B. Wolf 1934-7-5 5961 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
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Mar 29 2012
  UC1094387  Lupinus croceus Rimo C. Bacigalupi with Galen Smith 1957-6-26 5963 Siskiyou South Fork of the Sacramento River w of the town Mount Shasta (along road to Gumboot Lake); South fork Sacramento River, rd to Gumboot Lake 1767 Comment
  CAS-BOT-BC215102  Lupinus croceus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou N slope of Scott Mountain 1158 Comment
  SD88546  Lupinus lapidicola Darley F. Howe 1972-7-4 4869 Siskiyou Sanger Pass Road, stoney hilltop south of marker for Del Norte-Siskiyou county line on the road to Youngs Valley Comment
  HSC92500  Lupinus latifolius subsp. latifolius Jennifer Whipple 1977-7-22 2049 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  HSC99337  Lupinus latifolius subsp. viridifolius G. L. Clifton 1979-7-1 6191 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC63292  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-31 1089 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2000 Comment
  JEPS65069  Lupinus lepidus var. lobbii Willis L. Jepson 1894-8-11 9 t Siskiyou near Sisson; Mt. Shasta, Muir Peak (now Sugar Loaf), next Black Butte Comment
  UC598750  Lupinus lepidus var. lobbii C. Hart Merriam 1900-1 130 Siskiyou Squaw Creek Mt. Shasta (Mt. Shasta); , Squaw Creek Comment
  CHSC48564  Lupinus lepidus var. sellulus Vernon Oswald 1986-5-29 2072 Siskiyou Hwy 97 between Macdoel and Hebron Summit, 31.5 mi ne of Weed. 1219 Comment
  UC922412  Lupinus lepidus var. sellulus Annie M. Alexander and Louise Kellogg 1949-7-22 5841 Siskiyou trail to Kings Castle; Marble Mountains, Paradise Lake 2072 Comment
  RSA413776  Lupinus luteolus Bonnie C. Templeton 1960-6-21 8531 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  UC1401213  Lupinus microcarpus var. microcarpus K. Morris, LeDoux and Dunn 1973-6-2 339 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  SDSU4999  Lupinus obtusilobus D. F. Howe 1962-8-6 3400 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  RSA114969  Lupinus sellulus subsp. sellulus E. K. Balls, Lee W. Lenz, B. K. Balls 1956-6-18 21799 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  RSA263039  Lupinus sellulus subsp. sellulus David B. Dunn, Paul Gallian 1971-6-9 17931 Siskiyou 5 mi. S of Macdoel, on U. S. Hwy 97. 1159 Comment
  HSC14882  Lupinus subvexus var. subvexus R. C. Wunner 1965-7-1 323 Siskiyou Lava Beds N.M., Top of Gillem's Bluff 1372 Comment
  HSC44888  Luzula comosa Maralyn O'Meara 1974-5-25 404 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC92866  Luzula comosa Jennifer Whipple 1976-7-8 1353 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  JEPS84030  Luzula comosa var. laxa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6431 Siskiyou E slope of Kangaroo Mountain, cirque at head of Hell's Canyon, ca. 5 mi N of the town of Seiad Valley 1828 Comment
  HSC69538  Luzula parviflora Maralyn A. Renner 1980-8-6 2250 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC39844  Luzula parviflora J. O. Sawyer 1969-6-23 1455 Siskiyou N Horse Range Creek along Rd. 41N14 1037 Comment
  CAS-BOT-BC231460  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  SEINET2121892  Machaeranthera canescens M. L. Carson 1968-12-8 1294 Siskiyou US Highway 97 ca. 20 mi S of Macdoel and 7.8 mi N of junction of road to Yreka at Yellow Butte, close to Mount Shasta viewpoint before going down a long hill 1430 Comment
  RSA653985  Machaeranthera canescens var. canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow 1829 Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  JEPS40344  Madia elegans Geo. D. Butler 1909-8-17 450 Siskiyou along creek near Yreka Comment
  UC726610  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  CHSC75680  Madia exigua Vernon H. Oswald; Lowell Ahart 1999-7-5 9794 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. Roadside. 914 Comment
  UCD134272  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  RSA0034413  Madia gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  RSA452627  Mahonia aquifolium L. C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  RSA78948  Mahonia aquifolium E. K. Balls, P. C. Everett 1952-10-12 4500 Siskiyou 1.7 mi. w. of boundary of Lava Beds Nat l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  CAS-BOT-BC512763  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS36764  Malacothrix floccifera W. L. Jepson 1907-7-23 2959 Siskiyou Shackelford Valley Comment
  UC127826  Malacothrix floccifera Harley P. Chandler june, 1901 1728 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  UC165396  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  SBBG25909  Malva neglecta D. Myrick 1966-8-13 1551 Siskiyou below barns at Mountain Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  UC618755  Malva neglecta W. Bridge Cooke 1938-8-21 11550 Siskiyou in front yard of Shasta Alpine Lodge, Horse Camp Shasta Alpine Lodge; , Horse Camp 1524 Comment
  POM210969  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mountains: Jaynes Canyon. Mt. Diablo Mer. 1828 Comment
  JEPS107440  Medicago lupulina Lowell Ahart, John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  POM114772  Melica aristata Geo D. Butler 1909-7-15 811 Siskiyou Russian Creek. 1829 Comment
  SJSU6513  Melica aristata R. W. Trivelpiece 1972-6-14 112 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  HSC76950  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC282118  Melica geyeri Geo. D. Butler 1904-5-26 824 Siskiyou Near Yreka Comment
  UC796619  Melica geyeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11796 Siskiyou s of Callahan (Scott Mountain Road) Comment
  HSC30604  Melica harfordii Frederick W. Oettinger 1969-8-3 1143 Siskiyou Above English Lake, Salmon Mountains. 1829 Comment
  UCD87564  Melica harfordii R. Tofsrud 1949-8-3 s.n. Siskiyou Scott River about 10 miles south of Scott Bar. Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  HSC92631  Melica stricta Jennifer Whipple 1976-7-8 1362 Siskiyou N to NE facing steep granite bluff with scree. 2317 Comment
  HSC69283  Melica subulata Maralyn A. Renner 1980-7-24 1961 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UCD88594  Melica subulata AHM 1955-7-29 55 R Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  UCD125058  Mentha canadensis J. P. Smith; Steve Selva 1970-8-7 4542 Siskiyou Junction Interstate 5 and Stewart Creek Road. Comment
  HSC15846  Mentzelia albicaulis R. C. Wunner 1965-6-6 86 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  CAS-BOT-BC428732  Micranthes californica F. D. Douthitt 1926-3-16 4 Siskiyou Klamath National Forest. Klamath River near Horse Creek 487 Comment
  UC1409261 Image available Micranthes marshallii Frederick W. Oettinger 1969-7-16 1037 Siskiyou south of Abbott's Lake (High Lake Basins in vicinity of English Peak), Marble Mountain Wilderness Area Comment
  CAS-BOT-BC322661  Microseris laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  POM53404  Microseris laciniata subsp. laciniata E. B. Copeland 1903-4-13 3818 Siskiyou Sisson 1067 Comment
  HSC22288  Microseris nutans J. O. Sawyer 1969-7-3 1051 Siskiyou Near Lipstick Lake 1951 Comment
  HSC22304  Microseris nutans J. O. Sawyer 1969-7-11 1322 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  JEPS35722  Microseris nutans Geo. D. Butler 1904-6-22 958 Siskiyou Goosenest Mountain 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
  HSC33334  Microseris nutans William J. Ferlatte 1974-7-14 1523 Siskiyou USFS Campground at Big Flat 1524 Comment
  RSA801991  Microseris nutans Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 1006 Comment
  UCD122135  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  HSC36529  Mimulus breweri J. O. Sawyer 1969-6-13 1104 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC446458  Mimulus guttatus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM43710  Mimulus guttatus Edward Palmer 1892-7-13 2478 Siskiyou Mt. Shasta and vicinity. Comment
  RSA535564  Mimulus layneae David M. Thompson 1929-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  JEPS98799  Mimulus microphyllus Sue Pappalardo 1993-7-20 490 Siskiyou about 3 mi NE of Bear Mountain Lookout (Caribou wells, E of Forest Service highway 24 (40N24Y)); Shasta Trinity National Forest, McCloud Ranger District Comment
  UC1063154  Mimulus microphyllus L. Whitney 1934-6-24 7 Siskiyou Tennant Dorris Quadrangle, Antelope Creek 1463 Comment
  UC1190118  Mimulus moniliformis Ira L. Wiggins 1955-7-27 13550 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS84018  Mimulus nanus var. nanus L. R. Heckard with J. Hickman et al. 1986-7-17 6502 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  HSC99276  Mimulus nanus var. nanus D. M. Thompson 1988-6-5 933 Siskiyou 10 mi. NE of Weed along Hwy. 97, NW side of road 1149 Comment
  RSA261454  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1258471  Mimulus nasutus John Palmer 1980-8-13 789 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 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
  RSA68951  Mimulus primuloides var. linearifolius A. E. Culbertson 1943-8-30 7 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  JEPS4670  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below (w of) Bartles; McCloud River Comment
  CAS-BOT-BC388888  Minuartia douglasii Albert M. Vollmer; Lawrence Beane 1951-5-31 20 Siskiyou Scott Mountain Comment
  HSC101484  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13001 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  HSC69047  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2342 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC60838  Minuartia nuttallii subsp. gregaria Al Hobart Siskiyou Black Butte Comment
  RSA215627  Minuartia nuttallii subsp. gregaria Gilbert Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge. 2317 Comment
  CHSC99584  Minuartia nuttallii var. gregaria L. P. Janeway 2008-7-22 9446 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Steep northwest-facing rock outcrop and scree slope. 1871 Comment
  LA205965  Mirabilis greenei Wm. Bridge Cooke; 1940-6-20 15155 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  UC1459329  Mirabilis greenei George E. Pilz 1973-5-26 998 Siskiyou along Klamath River (1 mi w of Interstate Rte 5, along CA Rte 96) 700 Comment
  CAS-BOT-BC229602  Mirabilis greenei Roxana S. Ferris; Laura Lorraine 1948-6-12 11864 Siskiyou Willow Creek, foot of Gazelle Mountain grade Comment
  CDA23863  Mirabilis greenei D. F. Dias 1971-7-19 Siskiyou J. D. Newlin property, Yreka. 0 Comment
  HSC41798  Mitella diversifolia Brent Whitely 1975-7-1 124 Siskiyou Klamath National Forest at Ti Creek 671 Comment
  RSA78671  Mitella diversifolia P. A. Munz 1952-7-1 17864 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  HSC682  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin 2226 Comment
  JEPS82467  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  JEPS82452  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Marble Valley Marble Mt. Wilderness Area (trail to Lookout) 1798 Comment
  UC1222382  Mitella trifida Joseph P. Tracy 1951-6-16 19492 Siskiyou Summit of Siskiyous; at crossing of Takilma-Happy Camp Rd Comment
  POM91919  Mitella trifida Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 Comment
  CAS-BOT-BC220358  Monardella odoratissima subsp. pallida J. G. M. 1969-8-6 s.n. Siskiyou Boulder Peak Comment
  JEPS63382  Monardella odoratissima subsp. pallida W. L. Jepson 1940-6-27 20049 Siskiyou e slope Mt. Shasta 1676 Comment
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 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
  UC2035868  Monardella villosa subsp. villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch; Siskiyou Mts. Comment
  CAS-BOT-BC444876  Montia fontana Geo. D. Butler 1909-3-26 679 Siskiyou Oro Fino Comment
  HSC29447  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1951 Comment
  UC375333  Montia parvifolia Geo. D. Butler 1910-6-4 1488 Siskiyou Shackleford Creek 1066 Comment
  CAS-BOT-BC445214  Montia parvifolia Lillian Mott 1976-6-6 22 LM76 Siskiyou Road between Seiad Valley and Cook & Green Pass, Klamath River canyon 670 Comment
  RSA238298  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  HSC77052  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  CAS-BOT-BC267050  Muhlenbergia filiformis H. E. Brown 1897-6-11 425 Siskiyou N side, Mount Shasta 2743 Comment
  RSA239103  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Sandy margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD86588  Muhlenbergia filiformis Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  SEINET10599825  Muhlenbergia filiformis A. Arthur Heller 1914-8-25 Heller 11704 Siskiyou Plentiful in moist sandy soil near Deetz station 6 miles north of Sisson, completely covering the ground in places on the edges of thickets and burnt-over land. 1158 Comment
  JEPS94253  Myosotis discolor Vernon H. Oswald and Lowell Ahart 1998-6-11 9211 Siskiyou 23 air mi ne of Weed (Old State Highway 0.5 mi w of Bray, 10 air mi e of Grass Lake located on Highway 97); Old State Highway 1414 Comment
  SEINET209083 Image available Myriophyllum sibiricum L. C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi NW Montague. 762 Comment
  HSC30468  Najas flexilis Frederick W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mtns., Smith Lake. 1418 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
  HSC96412  Narthecium californicum Gordon Leppig, J. Kalt 1996-7-9 366 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1409328  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou scrib n.e. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  RSA211312  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou Northwest side of Caribou Mountain 1829 Comment
  RSA768926  Nasturtium officinale L. Ahart, John Dittes 2010-7-30 16960 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
  UC163989  Navarretia intertexta Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  CHSC88392  Navarretia sinistra Jenny Marr 1993-7-1 151 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164095  Navarretia tagetina Geo. D. Butler 1910-5-26 1406 Siskiyou Yreka Comment
  CAS-BOT-BC219530  Nemophila parviflora Lewis S. Rose 1945-6-18 45091 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC230557  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  CHSC81484  Nitrophila occidentalis Ann Willyard 2000-6-21 418 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CAS-BOT-BC60576  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 1266 Siskiyou North slope Scott Mountain. 1524 Comment
  HSC77069  Noccaea fendleri subsp. glauca K. T. Stillman 1976-6-26 113 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  POM143809  Noccaea fendleri subsp. glauca E. B. Copeland 1903-8-18 3905 Siskiyou Mt Eddy. Comment
  JEPS11224  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou trail beyond Whiskey Camp (Independence Creek); Independence Creek 1676 Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC140350  Oemleria cerasiformis A. M. Vollmer; L. Beane 1951-6-2 88 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA273347  Olsynium douglasii var. douglasii J. P. Smith 1974-5-26 7566 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CAS-BOT-BC355599  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain summit, at Trinity County line 1633 Comment
  HSC16689  Orobanche fasciculata R. C. Wunner 1965-7-13 385 Siskiyou Lava Beds National Monument, at start of Lone Pine Rd. around Cresent Butte. 1418 Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC68382  Orthilia secunda Maralyn A. Renner 1980-6-26 1206 Siskiyou N edge of Flint Valley 1390 Comment
  CAS-BOT-BC458080  Orthilia secunda W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  RSA0083224  Orthilia secunda M. B. Dunkle 1945-7-22 9236 Siskiyou Marble Mts., Klamath National Forest. Comment
  HSC76996  Orthocarpus cuspidatus subsp. copelandii K. T. Stillman 1976-8-7 185 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC630  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-7-7 219 Siskiyou Big Flat, near public camp 1524 Comment
  POM43391  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest Foothills. 1524 Comment
  SJSU3582  Orthocarpus imbricatus M. D. Fleschner 1965-7-14 140 Siskiyou c. 3 mi SE of Bartle on State Rte 89 1219 Comment
  UCD123245  Orthocarpus tenuifolius A. H. Murphy 1956-8-14 56 G Siskiyou Klamath National Forest, pass on trail west of Marshy Lake. 2133 Comment
  CAS-BOT-BC317127  Packera streptanthifolia var. streptanthifolia A. A. Heller 1922-6-22 13670 Siskiyou Shasta Valley between Gazelle and Edgewood. Comment
  SBBG2225  Paeonia brownii H. and M. Dearing 1938-6-29 2191 Siskiyou Mt Shasta 1828 Comment
  RSA115690  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest Mt. Shasta City; along Castle Lake 1037 Comment
  UC196954  Panicum capillare Geo. D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  CAS-BOT-BC422855  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  UC630397  Parnassia californica Annetta Carter 1939-8-21 1480 Siskiyou 12 mi sw of Etna (se end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  POM210931  Parnassia californica Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC175510  Parnassia fimbriata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  RSA202366  Parnassia fimbriata J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  HSC366  Parnassia fimbriata W. J. Ferlatte 1967-8-20 1060 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge. Steep N facing slope. 2043 Comment
  CAS-BOT-BC175604  Parnassia palustris Copeland 1903-9-6 3860 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC175607  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou Klamath National Forest. N side White Mt. 1767 Comment
  HSC46735  Parnassia palustris W. J. Ferlatte 1976-9-22 1852 Siskiyou Trinity Alps, Grouse Ridge along Yellow Rose Mine Trail, W facing slope. 1829 Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  JEPS24623  Paxistima myrsinites Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6776 Siskiyou between Shasta Retreat and Shasta Springs (directly opposite Mossbrae Falls, bank of Sacramento R.); Sacramento R. 731 Comment
  UC1045278  Paxistima myrsinites W. Bridge Cooke 1940-6-6 15035 Siskiyou along Castle Lake Rd. Castle Lake Rd. Comment
  UC1071573  Paxistima myrsinites H. S. Yates 1936-6-21 5828 Siskiyou n. base Wintoon butte; Dunsmuir Quad. Comment
  UC18068  Paxistima myrsinites C. B. Bradley 1879-1 Siskiyou Comment
  UCD107438  Paxistima myrsinites D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  RSA68859  Pedicularis aurantiaca A. E. Culbertson 1943-6-29 97 Siskiyou Castle Lake, 5434', in a north facing cirque with and abrupt 1000' backwall; 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC266650  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1949-7-19 5810 Siskiyou Edge of creek, Paradise Lake, Marble Mountains 1920 Comment
  HSC29253  Pedicularis bracteosa var. flavida Frederick W. Oettinger, R. F. Thorne 1969-8-7 1269 Siskiyou Marble Mtn. Wilderness Area, SE of English Lake 2012 Comment
  UC922340  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-29 5897 Siskiyou near Hidden Lake (above Sky High Lake); Sky High Valley, Marble Mountains 1859 Comment
  HSC29251  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Marble Mtn. Wilderness Area, below Diamond Lake on way to English Peak 2226 Comment
  HSC77143  Pedicularis contorta J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  UC886599  Pedicularis densiflora A. A. Heller 1915-7-15 12085 Siskiyou Mount Eddy 2072 Comment
  HSC27341  Pedicularis howellii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5704 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS3356  Pedicularis racemosa H. W. Furlong Sept., 1901 Siskiyou Summit to Ager Comment
  HSC29243  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou Marble Mtn. Wilderness Area, E edge of base camp meadows, near English lake 2012 Comment
  JEPS11898  Pedicularis racemosa Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4783 Siskiyou at summit of road between Takilma and Happy Camp (exactly at boundary of Siskiyou and Klamath National Forests) 1554 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  SEINET10702295  Pedicularis racemosa var. racemosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  CAS-BOT-BC67676  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  CAS-BOT-BC67725  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  UC1313059  Pellaea breweri J. M. Tucker 1963-8-18 3760 Siskiyou sw ridge of Black Marble Mt; Marble Mt Wilderness Area 2133 Comment
  POM281761  Pellaea breweri Geo D. Butler 1908-8-8 240 Siskiyou Marble Valley. Comment
  JEPS7902  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  SBBG15654  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1676 Comment
  UCD124033  Penstemon anguineus Roman Gankin; Brewer, Hildreth, Milam 1965-8-10 604 Siskiyou summit of Indian Creek Road, 3.5 miles south of California-Oregon State line. Comment
  RSA50222  Penstemon anguineus E. K. Balls 1949-7-9 13929 Siskiyou 7.6 miles from Etna on road to Sawyer's Bar. 915 Comment
  JEPS8388  Penstemon cinereus Rimo Bacigalupi with L. R. Heckard, George Bacigalupi and Ruth D. Sanderson 1952-6-18 3740 Siskiyou on forest road to Mt. Hebron 16 mi e Montague (near Panther Creek Guard Station); along Little Shasta River, e of Montague 1280 Comment
  CHSC29294  Penstemon cinicola A. Ratcliff; J. Prouty 1979-8-2 Siskiyou At Pumice Stone Well ca. 6 mi w of Medicine Lake. 1889 Comment
  CHSC66546  Penstemon cinicola Vernon H. Oswald 1996-7-12 8008 Siskiyou Large meadow at the junction of the roads to Schonchin Spring and Little Mt. Hoffman at the W end of Medicine Lake. On the n side of the road to Little Mt. Hoffman. 2048 Comment
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  UC1408797  Penstemon davidsonii var. davidsonii Robert F. Thorne and Fred Oettinger 1969-8-10 39005 Siskiyou Mout Shasta, S slope Mount Shasta National Forest (above ski-lodge) 2377 Comment
  SBBG82196  Penstemon deustus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  RSA215600  Penstemon deustus Gilbert Muth 1969-8-6 1187 Siskiyou Boulder Peak. 2530 Comment
  RSA238830  Penstemon deustus Frederick W. Oettinger 1968-8-15 524 Siskiyou East of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1936 Comment
  RSA79764  Penstemon deustus subsp. heterander F. W. Peirson 1923-7-19 3842 Siskiyou Near Bray. Comment
  SDSU10936  Penstemon deustus var. pedicellatus D. F. Howe 1964-8-4 3932 Siskiyou Probably Modoc or Shasta National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
  UC1483505  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3830 Siskiyou near intersection with road to Lava Camp n F.S. Road 44N01; Klamath National Forest, Medicine Lake Quad. 1676 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta Comment
  RSA78992  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18181 Siskiyou 7.2 miles SW of boundary of Lava Bed Nat'l Monument on road from Indian Well Ranger Station to Tennant. 1067 Comment
  SEINET5328440 Image available Penstemon gracilentus K. Vincent, C. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn., on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  SEINET5328460 Image available Penstemon gracilentus K. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mtn.; on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  SJSU6487  Penstemon heterodoxus var. shastensis R. W. Trivelpiece 1972-6-9 101 Siskiyou c. 4 mi E of Grass L 1524 Comment
  UC229876 Image available Penstemon laetus H. E. Brown Jun 11 1897-Jun 16 1897 360 Siskiyou n side Mt. Shasta; ; Mt. Shasta, Siskiyou Co. 1524 Comment
  HSC63255  Penstemon laetus subsp. sagittatus M. A. Baker 1979-7-31 1096 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  UC1034026  Penstemon laetus var. sagittatus Francis W. Pennell 1940-7-19 26193 Siskiyou southwestern slope Mount Shasta; sw slope of Mount Shasta 1676 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  SEINET10547609  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 Holmgren 2678 Siskiyou Us 97, shasta valley, 4 mi n of weed, t42n, r4w, sec 19, in scrub in sandy soil. 1158 Comment
  HSC59936  Penstemon newberryi subsp. berryi D. L. Goforth 1979-7-19 247 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  CAS-BOT-BC239341  Penstemon newberryi var. berryi W. R. Dudley 1893-6-1 s.n. Siskiyou Castle Crag [Crags], near Mt. Shasta Comment
  JEPS5709  Penstemon newberryi var. berryi Dorothy Parker 1953-8-9 580 Siskiyou Salmon Mountain 1920 Comment
  CHSC65848  Penstemon newberryi var. newberryi Maria Ulloa-Cruz 1994-8-3 47 Siskiyou Mount Shasta Ranger District. On slope above Panther Creek tributary. 2000 Comment
  JEPS25168  Penstemon newberryi var. newberryi G. Thomas Robbins 1959-6-10 4040 Siskiyou about one mi n of highway summit on U.S. 99 between Mt. Shasta and Weed (on w side of Black Butte); w side of Black Butte, btw Mt. Shasta (town) and Weed 1188 Comment
  NY627386  Penstemon newberryi var. newberryi C. B. Wolf 1937-8-8 9082 Siskiyou Southwest side of Mt. Shasta, 1/2 mile south of trail to Horse Camp. 1524.0 Comment
  CHSC1880  Penstemon parvulus V. Holt 1943-7-10 Siskiyou Marble mountains. 1828 Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  POM299519  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  HSC58890  Penstemon procerus var. brachyanthus Marvin Butler 1971-7-13 130 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1616 Comment
  NY638941  Penstemon procerus var. brachyanthus M. F. Denton 1973-6-30 2962 Siskiyou Klamath National Forest; Young's Valley, ca. 5 m south of Sanger Lake, on trail up El Capitan 1432.6 Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  UC585127  Penstemon roezlii E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1912 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  RSA50197  Penstemon roezlii E. K. Balls 1949-7-8 13907 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC239414  Penstemon rupicola Lillian Mott 1976-7-4 36 LM76 Siskiyou Lily Pad Lake ca. 3 mi. west of Cook and Green Pass 2011 Comment
  NY651257  Penstemon rydbergii var. oreocharis P. Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Highway 97 Comment
  SEINET13944951 Image available Perideridia bolanderi L. Constance, T. I. Chuang 1967-1 3799 Siskiyou Summit of road on Scott Mountain at Trinity-Siskiyou County line, alt. 5400 ft 1646 Comment
  UC165309  Perideridia gairdneri subsp. borealis Geo. D. Butler 1910-8-28 1856 Siskiyou Quartz Valley Comment
  HSC42932  Perideridia gairdneri subsp. gairdneri K. T. Stillman 1976-8-31 453 Siskiyou E and N sides of Williams Point 366 Comment
  UC1312872  Perideridia leptocarpa L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River; Trinity River, NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  RSA237649  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1968-8-12 493 Siskiyou Just north of Tobacco Lake along the trail from the west end of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC423354  Peritoma platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  HSC64423  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-17 4419 Siskiyou Along Klamath River Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  CAS-BOT-BC330281  Petasites frigidus var. palmatus Dorothy Parker 1961-6-4 883 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  UC673182  Phacelia Lincoln Constance and Reed C. Rollins 1942-5-14 2928 Siskiyou 4 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  UC1475688  Phacelia cookei Clifton and Ground 1978-6-14 1040 Siskiyou near Andesite (close to town of Weed); Whaleback quadrangle 1464 Comment
  HSC67656  Phacelia dalesiana J. P. Smith, J. O. Sawyer 1972-5-27 5351 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  JEPS1963  Phacelia egena Geo. D. Butler 1909-5-23 735 Siskiyou near Yreka Comment
  UC144628  Phacelia egena A. A. Heller 1905-6-8 7993 Siskiyou Yreka Comment
  CDA40370  Phacelia greenei G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2646 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CHSC717  Phacelia greenei D. Parker 1962-4-28 Siskiyou Yellow Bill Hill in Scott Valley, near Etna. 914 Comment
  JEPS109690  Phacelia greenei Dean W. Taylor 2002-6-10 18130 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek along Forest Road 40N40 1005 Comment
  JEPS79423  Phacelia greenei F. D. and C. L. Horn 1980-6-1 Siskiyou summit of hill Callahan, School House Hill (Callahan-Gazelle Rd, n edge of Section 1) Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UCD77218  Phacelia hastata subsp. compacta Robert E. Preston 2001-7-21 1734 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  UC1471541  Phacelia hastata subsp. compacta C. Hart Merriam 1898-8-3 Siskiyou head of Squaw Creek Mt. Shasta Comment
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Sep 19 2006
  HSC61875  Phacelia leonis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC24686  Phacelia mutabilis J. O. Sawyer 1969-7-9 1265 Siskiyou Summit above S Sugar Lake. 2378 Comment
  RSA12501  Phacelia mutabilis Carl B. Wolf 1934-7-4 5935 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  UC1483413  Phacelia mutabilis Maralyn A. Renner 1980-7-23 1842 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  POM65547  Phacelia mutabilis E. B. Copeland 1903-8-16 3920 Siskiyou Mt. Shasta. Comment
  JEPS1096  Phacelia pringlei J. G. Lemmon September 1879 Siskiyou near Sisson (headwaters of riv<er>); Shasta, Sac. River Comment
  HSC61878  Phacelia procera Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC159001  Phacelia ramosissima var. ramosissima Alice Eastwood 1912-8-30 2020 Siskiyou Mt. Eddy Comment
  JEPS73749  Phalaris canariensis George D. Butler 1908-6-25 488 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  JEPS84271  Philadelphus lewisii L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6482 Siskiyou e Cook and Green Pass (s ridge of butte); Copper Butte 1584 Comment
  UC1408863  Philadelphus lewisii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1200 Siskiyou on English Lake trail above Willow Spring (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD118238  Phlox adsurgens Dean William Taylor 1972-7-3 1590 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC19154  Phlox diffusa J. O. Sawyer 1969-6-13 954 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC4819  Phlox diffusa J. O. Sawyer 1968-9-9 667 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC164130  Phlox diffusa Geo. D. Butler 1910-7-8 1688 Siskiyou Shackleford Creek 1371 Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  JEPS26564  Phlox diffusa Lauramay T. Dempster 1961-7-1 1830 Siskiyou from Condry Peak to White Mountain Comment
  RSA120880  Phlox hoodii subsp. canescens G. D. Barbe 1955-8-5 363 Siskiyou Growing at the summit of the trail from Big Flat to Caribou Lake, a spot northwest of Caribou Mtn. Salmon Mountains. 2409 Comment
  CDA40275  Phlox speciosa subsp. occidentalis T. C. Fuller 1958-4-16 4811 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM209396  Phlox speciosa subsp. occidentalis L. C. Wheeler 1935-4-17 3424 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  CAS-BOT-BC60683  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  CAS-BOT-BC135020  Phoradendron bolleanum G. T. Benson 1921-12-23 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC135024  Phoradendron bolleanum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC141920  Phoradendron densum Copeland 1903-7-7 3542 Siskiyou Hornbrook Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  HSC76940  Phyllodoce empetriformis K. T. Stillman 1976-7-14 230 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS66653  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou at extreme head of West Fork Knownothing Creek (on ridge between Salmon and New Rivers, Rock Lake); Rock Lake, West Fork Knownothing Creek 1889 Comment
  RSA761681  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2097 Comment
  CDA5829  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CAS-BOT-BC140596  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  UC336772  Picea breweriana unknown 1889-10-18 Siskiyou near Waldo, Oregon; Siskiyou Mts. Comment
  JEPS104987  Pinguicula vulgaris subsp. macroceras Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15854 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  LA6021  Pinus albicaulis Wm. Bridge Cooke; 1939-8-22 13884 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC618745  Pinus albicaulis W. B. Cooke 1938-9-17 11680 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  JEPS47896  Pinus attenuata W. L. Jepson 1907-7-9 2865 Siskiyou s of Putnam Peak (Klamath Range, e slope, seedlings taken from near fire-killed trees); Klamath Range Comment
  HSC1371  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy, Bulk Collection # 88 2271 Comment
  HSC45575  Pinus balfouriana Maralyn O'Meara 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose Mine Comment
  CAS-BOT-BC78437  Pinus contorta subsp. murrayana Elmer I. Applegate 1935-6-12 9519 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  JEPS47960  Pinus contorta subsp. murrayana W. L. Jepson 1907-7-4 2813 Siskiyou e of Marble Mt.; Shackelford Canyon Comment
  CAS-BOT-BC78712  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  CAS-BOT-BC73145  Pinus lambertiana Wm. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail. 1524 Comment
  CAS-BOT-BC78774  Pinus lambertiana Doris K. Kildale 1929-5-26 9187 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC78778  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou Metcalf's [ranch] Ranch at the foot of Mt. Eddy 1188 Comment
  HSC31520  Pinus lambertiana Steve Selva, Roger Jensen 1974-8-26 58 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC78964  Pinus monticola Doris K. Kildale 1928-7-4 5480 Siskiyou summit of Divide between Salmon River + Scott Valley Comment
  HSC69170  Pinus monticola Maralyn A. Renner 1980-8-6 2328 Siskiyou Cracker Meadow 1555 Comment
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CHSC86627  Plagiobothrys cognatus Jenny Marr 1993-7-1 10 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC231007  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  UC1072710  Plantago lanceolata Douglas Barbe 1955-7-1 74 Siskiyou 1.3 mi e Etna (on the Westside Road to Callahan, to the s of the road); Klamath Mountains 853 Comment
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  UCD138977  Platanthera dilatata var. leucostachys J. M. Tucker; D. V. Hemphill 1974-7-26 4291 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC61845  Platanthera dilatata var. leucostachys Ruby Van Deventer 1938-7-9 Siskiyou Poker Flat 1585 Comment
  HSC4861  Platanthera sparsiflora J. O. Sawyer 1968-6-18 240 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC32018  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 353 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  HSC67860  Plectritis congesta J. P. Smith, Steve Selva 1970-6-16 4026 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  RSA121890  Plectritis macrocera M. H. Mitchell 1936-5-8 s.n. Siskiyou 2 miles E of Schonchin Butte. 1372 Comment
  RSA433743  Plectritis macrocera Christopher Davidson 1975-6-5 2669 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  RSA14359  Plectritis macrocera subsp. grayi Elmer I. Applegate 1927-5-30 5029 Siskiyou Klamath River below mouth of Shasta River. Comment
  CAS-BOT-BC261036  Poa Melissa A. Berry 1957-7-7 s.n. Siskiyou China Mt. divide, near Gazelle-Callahan Road 2286 Comment
  CAS-BOT-BC261039  Poa Gilbert Muth 1966-7-31 477 Siskiyou North side of Black Mountain, Marble Mts. 2057 Comment
  CAS-BOT-BC254781  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek Comment
  UC1025004  Poa bolanderi Leo Whitney 1935-7-15 3467 Siskiyou 2 mi se Medicine Lake (near Bullseye Lake) Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  UC166234  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleford Creek 1371 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  CAS-BOT-BC254998  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou Schumacher's (Geo Gray's) Ranch Comment
  SBBG30565  Poa bulbosa D. Myrick 1968-6-25 2009 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UCD90673  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Eureka. Schumacher's Ranch (Geo. Gray). Comment
  UCD90837  Poa compressa Geo. D. Butler 1909-6-30 845 Siskiyou Longmont (?). Comment
  SEINET10660678  Poa laevigata A. Arthur Heller 1905-6-19 Heller 8070 Siskiyou Grenada Station. Comment
  CAS-BOT-BC247012  Poa nervosa Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1524 Comment
  HSC37468  Poa pratensis A. M. Montalvo, J. D. Ackerman 1975-7-19 586 Siskiyou 3 mi. E of McCloud off Hwy. 89 on F.S. Rd. 39N13 1067 Comment
  HSC76909  Poa pratensis K. T. Stillman 1976-6-26 121 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  LA12604  Poa pratensis Jason Swallen; 1939-8-8 13847 Siskiyou Mount Shasta, near the spring over flows at Horse Camp 2438 Comment
  UCD91938  Poa pratensis A. H. Murphy 1956-8-16 56 P Siskiyou Big Marshy Meadows. Klamath National Forest. 1981 Comment
  JEPS107476  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes 2005-6-9 12033 Siskiyou Hill, along a rock fence, about 100 yards southeast 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
  JEPS82443  Poa pratensis subsp. pratensis Gilbert Muth 1966-7-19 428 Siskiyou along first bluff Marble Gap Trail; Marble Mt Wilderness Area 1828 Comment
  CAS-BOT-BC247530  Poa pringlei A. A. Heller 1921-7-17 13579 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  POM204949  Poa pringlei E. B. Copeland 1903-8-15 3894 Siskiyou Mt. Shasta 2348 Comment
  RSA211236  Poa secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UCD92391  Poa secunda subsp. juncifolia Mr. Roseman 1913-1 23 Siskiyou Butte Valley. Comment
  HSC102656  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243222  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11719 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], E fork of Scott River Comment
  CAS-BOT-BC243237  Poa secunda subsp. secunda Geo. D. Butler 1909-5-22 821 Siskiyou Near Yreka Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  CAS-BOT-BC243234  Poa secunda subsp. secunda W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mountains, Siskiyou Mountains Comment
  HSC92030  Poa wheeleri Jennifer Whipple 1976-7-2 1274 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  JEPS100989  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-12 10870 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC107059  Polemonium carneum Thos. Howell 1889-5-10 1381 Siskiyou Hornbrook Comment
  UCD118481  Polemonium micranthum R. N. Raynor 1940-4-16 s.n. Siskiyou Dorris. Comment
  UC449766  Polemonium occidentale J. W. Congdon 1900-8-9 Siskiyou Sissons , Sissons (Shasta Region) Comment
  CAS-BOT-BC231346  Polemonium pulcherrimum Gilbert J. Muth 1969-8-7 1273 Siskiyou Boulder Peak Ridge Comment
  LA206594  Polemonium pulcherrimum L. Ellison; 1928-11-12 503 Siskiyou Mt Shasta Comment
  POM278329  Polygala californica Lyman Benson 1933-8-9 5679 Siskiyou U.S. 99, Mt. Shasta City, Cascade Mountain range, Sacramento River watershed 915 Comment
  CAS-BOT-BC170330  Polygala cornuta var. cornuta H. A. Thomas; J. H. Thomas 1954-7-21 4398 Siskiyou Salmon-Trinity Mts. about 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC170334  Polygala cornuta var. cornuta R. E. Frenkel 1964-7-15 689 Siskiyou On Everitt Memorial road near Mount Shast, 1.7 miles north of McCloud River RR crossing. 1290 Comment
  POM204110  Polygala cornuta var. cornuta J. T. Howell 1934-7-4 12406 Siskiyou SE corner of Siskiyou County Comment
  UC1034061  Polygala cornuta var. cornuta W. Bridge Cooke 1941-9-5 16259 Siskiyou along Sisson Southern Trail and Memorial Highway Mount Shasta 1371 Comment
  RSA120791  Polygonum bistortoides S. S. Tillett 1956-7-9 658 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  UC558482  Polygonum davisiae W. B. Cooke 1936-8-9 7241 Siskiyou Panther Creek Meadows Mount Shasta (avalanche flat) 2286 Comment
  RSA466316A  Polygonum davisiae Louis C. Wheeler 1934-7-14 2903 Siskiyou Head Jaynes Canyon, Siskiyou Mts, Mt. Diablo Mer. 2043 Comment
  CAS-BOT-BC414594  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  CAS-BOT-BC414597  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  RSA466329A  Polygonum douglasii Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  UC164464  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-11-15 1103 Siskiyou dry hill 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
  UC971923  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1950-7-15 14044 Siskiyou Scott Creek Scott Valley Comment
  RSA237760  Polygonum kelloggii Frederick W. Oettinger 1969-8-5 1216 Siskiyou Base camp at English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC418598  Polygonum minimum G. J. Muth 1969-8-8 1279 Siskiyou Gap Meadow, Boulder Peak Ridge Comment
  UC1312939  Polygonum minimum J. M. Tucker and L. K. Mann 1963-8-17 3743 Siskiyou Marble Mountain Wilderness Area; along trail from Red Rock Valley to top of ridge to s 1859 Comment
  JEPS78103  Polygonum newberryi G. W. Zamzow 1972-7-19 92 Siskiyou at timberline 200 m w end of road to Mt. Shasta Summit Ski area 2743 Comment
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May 22 2011
  RSA184755  Polygonum phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  CHSC71494  Polygonum polygaloides subsp. confertiflorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9335 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  CAS-BOT-BC420068  Polygonum polygaloides subsp. kelloggii Wm. Bridge Cooke 1939-7-13 13653 Siskiyou Mount Shasta. Portion of Squaw Valley Creek Meadows Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  RSA233674  Polygonum shastense Robert F. Thorne 1969-8-10 38987 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA237974  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA659528  Polygonum shastense Gary D. Wallace 1990-7-1 2948 Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2256 Comment
  RSA82768  Polygonum shastense R. Tofsrud, J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows, S slope of Mt. Shasta. 2409 Comment
  SBBG21921  Polygonum shastense D. Myrick 1964-7-25 957 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  SEINET10848475  Polygonum shastense Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 867 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
  SEINET3404054 Image available Polygonum shastense W. Bridge Cooke 1941-9-10 16292 Siskiyou Horse Camp, Mt. Shasta Comment
  UC618626  Polygonum shastense W. Bridge Cooke 1938-8-18 11496 Siskiyou Horse Camp Slopes Mount Shasta Comment
  SD76188  Polygonum shastense Helen V. Witham 1969-10-9 602 Siskiyou on scree, Mt. Shasta 2400 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  UCD100666  Polygonum spergulariiforme Ferdinand Brown 1936-7-13 s.n. Siskiyou Dunsmuis. Comment
  CHSC91236  Polypogon monspeliensis Lowell Ahart; John Dittes 2005-6-9 12003 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
  HSC69294  Polystichum imbricans Maralyn A. Renner 1980-7-24 1999 Siskiyou Lily Pad Lake 1768 Comment
  RSA693318  Polystichum imbricans B. C. Templeton 1957-6-22 s.n. Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC76740  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC76775  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou Near Sisson Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC1408839  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou boulder area due n of outlet English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1783 Comment
  HSC79135  Polystichum kruckebergii C. J. Thomas 1983-10-1 84 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  JEPS33243  Polystichum lemmonii unknown 1878-7-19 Siskiyou near Mt. Shasta 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
  UC197929  Polystichum lemmonii J. G. Lemmon and wife 1879-1 Siskiyou Mt. Shasta [This site is unlikely to be on Mount Shasta since there is no serpentine on the higher slopes of the mountain] Comment
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Jul 5 2012
  UC338378  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Eddy Comment
  CAS-BOT-BC72376  Polystichum lemmonii Geo. D. Butler 1908-8-5 238 Siskiyou below Cold Spring, West Fork of Woolly Creek Comment
  UC1034653  Polystichum lemmonii Douglas Barbe 1955-7-26 287 Siskiyou below summit Scott Mt.; Klamath Mts. 1981 Comment
  HSC75255  Polystichum lonchitis J. O. Sawyer, M. Mesler 1980-8-13 4049 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  POM210880  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  UC1593364  Polystichum munitum Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2542 Siskiyou at base of entrance Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  CAS-BOT-BC72515  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  HSC79138  Polystichum scopulinum C. J. Thomas 1983-10-1 96 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  RSA1577  Populus tremuloides E. R. Johnson 1928-8-31 1197 Siskiyou 10 miles East of Bartle. Comment
  HSC19174  Populus trichocarpa J. O. Sawyer 1968-7-23 576 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  POM107368  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC452130  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side Klamath River at Dillon Creek. 228 Comment
  POM172664  Potamogeton foliosus Geo D. Butler 1910-8-21 1851 Siskiyou Shasta River. Comment
  HSC100794  Potamogeton pusillus var. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou In the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  CAS-BOT-BC141967  Potentilla bruceae Gilbert J. Muth 1969-8-8 1275 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC86548  Potentilla drummondii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC143258  Potentilla flabellifolia Annie M. Alexander; Louise Kellogg 1949-7-28 5875 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  RSA237617  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou South of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA85778  Potentilla glandulosa var. nevadensis E. E. Stanford 1930-8-14 2085 Siskiyou Below summit of Sonora Pass. 2896 Comment
  JEPS94062  Potentilla gracilis var. fastigiata Vernon H. Oswald and Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on west side of Bray. 1417 Comment
  CAS-BOT-BC540569  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-22 13277 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC860723  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou about a mi s Bray; s of Bray 1402 Comment
  UCR52365  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  HSC58918  Prosartes hookeri Marvin Butler 1971-7-6 26 Siskiyou Near El Capitan 1524 Comment
  RSA0021433  Prunella vulgaris Edwin Kline 1920-6-24 s.n. Siskiyou Yreka Creek Comment
  HSC75127  Prunella vulgaris subsp. lanceolata J. P. Smith, Thomas W. Nelson 1979-6-16 10147 Siskiyou Klamath National Forest. State Route 3, 1 mi. from Scott Mtn. Summit. 1341 Comment
  RSA211152  Prunella vulgaris var. lanceolata William J. Ferlatte 1966-8-16 370 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC158240  Prunus emarginata Doris K. Kildale 1928-8-20 6625 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC19189  Prunus emarginata J. O. Sawyer 1968-9-13 649 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA211180  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat 1524 Comment
  SBBG25356  Prunus emarginata J. M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake, at base on E side of Kings Castle 1981 Comment
  UC1971317  Prunus emarginata Louis C. Wheeler 1952-9-17 6943 Siskiyou Comment
  UCSB62934  Prunus emarginata Sarr, Dan 1995-7-31 Siskiyou Upper falls of the McCloud River 950 Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  UC903487  Prunus subcordata Dorothy Parker 1948-5-25 Siskiyou Plowman's Valley Comment
  CAS-BOT-BC151226  Prunus virginiana var. demissa G. J. Muth 1969-8-12 1376 Siskiyou Second Valley 2225 Comment
  CAS-BOT-BC151229  Prunus virginiana var. demissa L. E. Smith 1913-7-27 493 Siskiyou McCloud Comment
  HSC18829  Prunus virginiana var. demissa D. M. Thomson 1965-6-11 75 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. E of Medicine Lake Rd. Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  UC166611  Prunus virginiana var. demissa Geo. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  UC61666  Pseudognaphalium thermale Geo. B. Grant 1902-9-1 5075 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  POM112087  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  RSA13869  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  HSC19088  Pseudostellaria jamesiana J. O. Sawyer 1969-7-18 1392 Siskiyou Head of S Russian Creek 1829 Comment
  HSC81663  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-17 6079 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC69140  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-8 2477 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  LA6346  Pseudotsuga menziesii var. menziesii Louis C. Wheeler; 1934-9-4 3243 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1371 Comment
  UC55662  Pseudotsuga menziesii var. menziesii Harley P. Chandler 1901-6-1 1685 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  HSC18923  Pterospora andromedea J. O. Sawyer 1969-7-9 1201 Siskiyou Near C.C.C. road N of Sugar Creek. Comment
  HSC465  Pterospora andromedea William J. Ferlatte 1966-8-3 285 Siskiyou Josephine Lake basin 1677 Comment
  RSA12567  Pterospora andromedea C. B. Wolf 1934-7-6 6019 Siskiyou SW side of Mt. Shasta, about 4 mi. N.W. of Wagon Camp. 1524 Comment
  UC1292079  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 14597 Siskiyou yellow pine forest on Spring Hill near Sisson Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 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
  UCR17257  Purshia tridentata Frank C. Vasek 1975-6-29 750617- 02 Siskiyou 4.3 mi SW of Gazelle Comment
  CAS-BOT-BC147910  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. northeast of Weed along Highway #97 Comment
  RSA59510  Purshia tridentata var. tridentata E. K. Balls 1950-5-15 14702 Siskiyou Below Indian Wells Public Camp. Lava Beds National Monument. 1402 Comment
  CAS-BOT-BC460866  Pyrola aphylla Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  JEPS58856  Pyrola asarifolia Willis L. Jepson 1894-8-4 14665 Siskiyou Mt. Shasta Comment
  RSA0080483  Pyrola dentata J. B. Feudge 1927-7-22 1727 Siskiyou On trail from Sisson to Mt. Eddy. 1128 Comment
  HSC19203  Pyrola picta J. O. Sawyer 1968-7-2 357 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  JEPS93912  Pyrola picta Vernon H. Oswald and Lowell Ahart 1998-8-3 9432 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SEINET185058  Pyrola picta Unknown 1939-7-8 5301 Siskiyou Ca. 15 miles north of Happy Camp on Happy Camp-Takilma Hiway 914 Comment
  UC1190130  Pyrola picta Ira L. Wiggins 1955-7-23 13463 A Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  UC141181  Pyrola picta Dr. E. B. Copeland 1903-8-16 3921 Siskiyou Mt. Shasta 1828 Comment
  UC165292  Pyrola picta Geo. D. Butler 1908-7-20 22 Siskiyou Head of Long Gulch Comment
  CAS-BOT-BC362384  Pyrrocoma racemosa var. racemosa Thos. C. Fuller 1958-8-13 s.n. Siskiyou Scott Valley, 5 mi. s. of Ft. Jones Comment
  CAS-BOT-BC362387  Pyrrocoma racemosa var. racemosa W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartles ? Comment
  CAS-BOT-BC45745  Quercus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS83896  Quercus Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mountains Comment
  UC165275  Quercus garryana Geo. D. Butler 1908-8-16 233 Siskiyou near Yreka Comment
  UC375248  Quercus garryana Geo. D. Butler 1908-7-4 492 Siskiyou Shasta Rim Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  JEPS37953  Quercus garryana var. breweri Geo. D. Butler 1908-8-16 233 Siskiyou e of Yreka Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA82773  Quercus garryana var. garryana J. M. Tucker 1948-8-3 1772 Siskiyou Ca. 0.6 mile west of Happy Camp. 335 Comment
  UCD46070  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 -1 Siskiyou 1.9 miles south of Gazelle (toward Edgewood). Comment
  UCD46096  Quercus garryana var. garryana J. M. Tucker 1947-5-17 1553 Siskiyou 7 miles southwest of Gazelle, Siskiyou County, California. Comment
  RSA476805  Quercus garryana var. garryana Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  HSC8261  Quercus kelloggii C. B. Wolf 1927-8-26 1027 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UCD40420  Quercus kelloggii Rodney Gale Myatt 1971-9-22 1193 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. Comment
  LA86551  Quercus sadleriana Sandra L. Holloway; 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction Red Rock Valley trail and Canyon Creek trail 1341 Comment
  UC1043394  Quercus sadleriana P. C. Everett and E. K. Balls 1954-10-12 20274 Siskiyou 2 mi w Dry Lake Lookout (Horse Creek to Dry Lake Lookout); Horse Creek 1920 Comment
  UCD47222  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 D Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  CAS-BOT-BC104631  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  CDA22067  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo Road;. 0 Comment
  HSC29466  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou Marble Mtn. Wilderness Area, SE slope along trail from English to Diamond Lake 1890 Comment
  UC375275  Ranunculus flammula Geo. D. Butler 1908-8-10 356 Siskiyou waterhole above Log Lake (Shackleford Creek); Shackleford Creek 1524 Comment
  HSC61937  Ranunculus gormanii Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1555 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
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC597  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  UC796608  Ranunculus parviflorus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11746 Siskiyou French Creek Logging Road w Callahan 1066 Comment
  UC1025102  Ranunculus uncinatus Leo Whitney 1934-6-24 1851 Siskiyou near Tennant; Antelope Creek 1463 Comment
  RSA7844  Rhamnus californica Doris K. Kildale 1928-7-25 5916 Siskiyou Klamath River Comment
  RSA7808  Rhamnus purshiana Doris K. Kildale 1928-8-20 6634 Siskiyou Trail betw English Lake and Finleys upper Camp trail to Marble Mt. Comment
  HSC22285  Rhododendron columbianum J. O. Sawyer 1969-6-13 1089 Siskiyou W of Little Duck Lake 2043 Comment
  HSC36211  Rhododendron columbianum John Rehling 1975-8-11 107 Siskiyou S end of Little Duck Lake Comment
  CAS-BOT-BC200398  Rhododendron occidentale var. paludosum Jessie P. Rose 1908-6-13 80 Siskiyou Sacramento River at Dunsmuir Comment
  UC163756  Rhus trilobata Geo. D. Butler 1908-7-4 1033 Siskiyou near mouth Shasta River Comment
  UC165925  Ribes Geo. D. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC438000  Ribes Alice Eastwood 1912-7-19 1245 Siskiyou Mount Shasta Comment
  HSC100865  Ribes binominatum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13061 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  CAS-BOT-BC108773  Ribes cereum Elmer I. Applegate 1923-8-18 3171 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2438 Comment
  CAS-BOT-BC108781  Ribes cereum William Bridge Cooke 1938-6-17 11032 Siskiyou Mount Shasta. Sisson Southern Trail. 1371 Comment
  SBBG28485  Ribes cereum A. A. Heller 1938-7-12 Siskiyou US Hwy 97, 8 mi N of Weed Comment
  UC144335  Ribes divaricatum A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  UC642577  Ribes inerme var. inerme W. Bridge Cooke 1939-7-21 13702 Siskiyou in the vicinity of the outlet of the Municipal Spring above Howard; Mount Shasta Comment
  HSC64667  Ribes inerme var. klamathense J. O. Sawyer 1977-7-7 3041 Siskiyou N of Sugar Creek on Hwy. 3, Scott Valley 976 Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  RSA0021100  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC212486  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road form Waldo to Happy Camp 1554 Comment
  CAS-BOT-BC212489  Ribes marshallii Harley P. Chandler 1901-6-1 1549 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC29419  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  RSA237678  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC219264  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  CAS-BOT-BC219267  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  CDA25560  Ribes odoratum J. R. Grisham 1965-7-29 Siskiyou F. Schultz property, Yreka. 0 Comment
  UC1034606  Ribes roezlii Douglas Barbe 1955-6-29 44 Siskiyou 2.1 mi e Callahan (on Trinity Center Rd. about 600' beyond the bridge); Klamath Mountains 975 Comment
  UC1540023  Ribes roezlii Roseberry 1936-5-11 15 Siskiyou w slope Hippo Butte; Lava Beds National Monument 1630 Comment
  CAS-BOT-BC198873  Ribes roezlii var. amictum L. E. Smith 1913-6-18 377 Siskiyou Castle Creek Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC199985  Ribes roezlii var. cruentum Alice Eastwood 1923-5-18 11840 Siskiyou Shasta Springs Comment
  HSC39740  Ribes roezlii var. cruentum J. O. Sawyer 1970-4-3 2095 Siskiyou Along Sugar Creek 915 Comment
  SD88347  Ribes sanguineum Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  CAS-BOT-BC173901  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka Comment
  UC75456  Ribes viscosissimum Milo S. Baker 1898-8-1 472 Siskiyou Medicine Lake Comment
  UC922467  Romanzoffia sitchensis Annie M. Alexander and Louise Kellogg 1949-7-28 5880 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CDA25109  Rorippa columbiae G. Deal 1964-8-14 Siskiyou Havalina property, north of city limits of Tulelake. 0 Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS53854  Rorippa curvisiliqua Milo S. Baker 1898-8-1 486 Siskiyou shore Medicine Lake; shore of Medicine Lake Comment
  CDA25118  Rorippa curvisiliqua T. C. Fuller 1962-8-3 9512 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  CHSC105278  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC1023841  Rorippa nasturtium-aquaticum Douglas Barbe 1955-6-29 30 Siskiyou 1 mi e Callahan (Klamath Mountains); , e of Callahan 975 Comment
  JEPS47236  Rosa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC146435  Rosa bridgesii Alice Eastwood 1912-7-20 1247 a Siskiyou Sisson Comment
  RSA1919  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 miles above Happy Camp. 183 Comment
  CAS-BOT-BC146740  Rosa gymnocarpa Alice Eastwood 1912-7-19 1228 Siskiyou Mount Shasta Comment
  LA208181  Rosa gymnocarpa Wm. Bridge Cooke; 1939-7-7 13580 Siskiyou Mount Shasta, along the road leading to the Municipal Spring from Howard 1493 Comment
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Jan 10 2015
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC147080  Rosa pisocarpa Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  POM88247  Rosa pisocarpa Geo. D. Butler 1908-8-5 279 Siskiyou West Fork of Wooley Creek. 1677 Comment
  RSA237816  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou Just below Diamond Lake on way towards English Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2058 Comment
  UC375396  Rosa pisocarpa Geo. D. Butler 1908-8-5 279 Siskiyou camp below Cold Spring; Woolly Creek 1524 Comment
  UC725330  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC1871379  Rosa pisocarpa subsp. pisocarpa Barbara Ertter 2006-7-30 18744 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, ca 2 mi N of intersection of Little Shasta Road, roadside meadow (same meadow system as 18742, but larger and wetter site). 1584 Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  JEPS109651  Rosa spithamea Dean W. Taylor 2002-6-29 18204 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  LA208215  Rubus glaucifolius Louis C. Wheeler; 3233 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1767 Comment
  HSC19407  Rubus lasiococcus J. O. Sawyer 1968-9-13 714 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC77789  Rubus lasiococcus L. P. Janeway 1983-9-11 652 Siskiyou Poker Flat 1524 Comment
  LA208218  Rubus lasiococcus Louis C. Wheeler; 1934-8-13 3116 Siskiyou Siskiyou Mountains, Johnson Dairy 1828 Comment
  RSA237604  Rubus leucodermis Frederick W. Oettinger 1969-7-28 1079 Siskiyou NNW of Little English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  CAS-BOT-BC147312  Rubus parviflorus Wm. Bridge Cooke 1938-6-17 11049 Siskiyou Sisson Southern Trail Comment
  SEINET5710612  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  CAS-BOT-BC422219  Rumex acetosella G. Muth 1966-7-18 414 Siskiyou Marble Valley Comment
  UCD92349  Rytidosperma penicillatum Howard B. Shontz 1940-8-15 s.n. Siskiyou Yreka. Comment
  HSC79090  Sagittaria cuneata Paul Wilson 1984-8-26 350 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  RSA577798  Sagittaria cuneata L. C. Wheeler 1935-7-20 3669 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC445721  Sagittaria latifolia L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  RSA610756  Salix boothii Louis C. Wheeler 1935-7-24 3694 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  HSC19410  Salix eastwoodiae J. O. Sawyer 1968-7-22 540 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC34266  Salix eastwoodiae J. P. Smith, J. O. Sawyer 1973-8-14 7312 Siskiyou Around Cliff Lake 1860 Comment
  RSA238016  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 355 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC1173605  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14398 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  UC54763  Salix exigua var. hindsiana P. E. Goddard 1901-8-4 150 Siskiyou Klamath River Comment
  UC1409263  Salix lasiandra subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou lake shore w. of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UC164037  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-4-13 1171 Siskiyou Yreka Creek Comment
  CAS-BOT-BC125450  Salix lasiandra var. lasiandra L. E. Smith 1913-4-14 629 Siskiyou Weed Comment
  CAS-BOT-BC125476  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson 1083 Comment
  CAS-BOT-BC107070  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  LA208779  Salix lasiolepis Louis C. Wheeler; 1934-12-16 3363 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  SBBG57844  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy, below Dobkin's Lake,, ca. 21 km NW of Shasta City 1650 Comment
  UC482232  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CHSC26605  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  CAS-BOT-BC126152  Salix scouleriana L. E. Smith 1913-3-28 611 Siskiyou Weed Comment
  CAS-BOT-BC129075  Salix scouleriana Elmer I. Applegate 1935-6-11 9511 Siskiyou East Base of Cinder Cone, near the southwest corner of the Lava Beds National Monument Comment
  HSC19448  Salix scouleriana J. O. Sawyer 1969-6-10 796 Siskiyou S face near Sugar Lake 1829 Comment
  HSC61952  Salix scouleriana Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1524 Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC481722  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou 13 km. n.w. Shasta City (1.3 km. e. of Burney Mill, beside creek at bridge, n. base Mt. Eddy); Mt. Eddy 1100 Comment
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  UC1173611  Salix sitchensis Joseph P. Tracy 1935-8-1 14399 Siskiyou borders of Rock Lake (on ridge between Salmon and New Rivers, at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek, Rock Lake 1889 Comment
  CAS-BOT-BC175656  Salsola tragus Alice Eastwood s.n. Siskiyou Montague Comment
  HSC4806  Salsola tragus R. C. Wunner 1965-7-21 407 Siskiyou Lava Beds National Monument, near Captain Jack's Stronghold. 1220 Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  UCD125660  Salvia virgata M. V. Maxwell 1941-6-25 s.n. Siskiyou 3 miles east of Hornbrook. 670 Comment
  UC60941  Sambucus mexicana Geo. B. Grant September, 1902 5243 Siskiyou Shasta Springs Mount Shasta 609 Comment
  CAS-BOT-BC236483  Sambucus racemosa subsp. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2042 Comment
  CAS-BOT-BC236485  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC70592  Sanguisorba annua J. O. Sawyer, J. Cole 1981-7-2 4144 Siskiyou Near Scott Mtn. Campground 1585 Comment
  UC735125  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  RSA576939  Saponaria officinalis L. C. Wheeler 1934-10-6 3308 Siskiyou Yreka Creek 1 mile S of Yreka. 823 Comment
  UCD98487  Saponaria officinalis Francia Chisaki; Helen Sharsmith 1959-8-20 4740 Siskiyou in Scott Valley, 3 miles before reaching Etna on road from Callahan. 853 Comment
  RSA215597  Saxifraga aprica Gilbert Muth 1969-8-10 1323 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  UC1299672  Saxifraga aprica Freed W. Hoffman 1950-7-13 3647 Siskiyou Baldy Mountain Comment
  CAS-BOT-BC436883  Saxifraga bronchialis subsp. austromontana Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  RSA184699  Saxifraga caespitosa Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  UC166552  Saxifraga californica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta River hills Shasta River Comment
  CAS-BOT-BC445881  Saxifragopsis fragarioides C. L. Hitchcock; J. S. Martin 1939-7-9 5316 a Siskiyou Between King's Castle and Black Mt., west side of ridge. 1828 Comment
  POM365947  Schedonorus pratensis L. C. Wheeler 1934-6-22 2750 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  UCSB23748  Schoenoplectus acutus var. occidentalis Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of Klamth River; at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC111665  Schoenoplectus pungens var. badius D. E. Breedlove 1962-6-10 3324 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  JEPS63978  Schoenoplectus tabernaemontani Geo. D. Butler 1908-8-29 137 Siskiyou Wright and Fletcher's pasture near Oro Fino; near Oro Fino Comment
  SEINET10504058  Scirpus acutus Katherine L. Morris 1973-6-2 Morris 347 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  HSC69109  Scirpus congdonii Maralyn A. Renner 1980-8-6 2306 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC35600  Scirpus congdonii A. H. Murphy 1954-8-21 54 -13 Siskiyou Round Meadow, Klamath National Forest 1676 Comment
  UC1265460  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1290 Siskiyou around bog in meadow called Sundew Bog due e English Lake outlet (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou Co); Marble Mountain Wilderness Area, Salmon Mountains 1828 Comment
  CAS-BOT-BC111094  Scirpus microcarpus Alice Eastwood 1912-7-21 1289 Siskiyou Sisson Comment
  JEPS63970  Scirpus microcarpus Mrs. B. C. Goldsmith 1916-9-19 24 Siskiyou Sisson Comment
  CAS-BOT-BC111097  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1977-9-22 54824 Siskiyou Streamside in fir forest above Deter Camp, Mt. Shasta. 1676 Comment
  HSC63623  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-7-27 4509 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC29313  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Marble Mtn. Wilderness Area, Wiregrass Meadow below English Lake 1677 Comment
  CAS-BOT-BC214259  Scutellaria nana L. E. Smith 1913-6-25 390 Siskiyou Weed Comment
  RSA445343  Scutellaria siphocampyloides M. B. Dunkle 1944-7-18 9120 Siskiyou Siskiyou Natl. Forest, Coastal Northern California. Comment
  UC1034648  Secale cereale Milo S. Baker and Douglas Barbe 1955-6-27 13088 Siskiyou about 1 mi w Gazelle (on road to Callahan) 914 Comment
  CAS-BOT-BC64655  Sedum kiersteadiae Wm. Bridge Cooke 1939-8-10 13894 Siskiyou East Bank of Mud Creek near bottom of canyon. 1676 Comment
  CAS-BOT-BC64641  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC90629  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-8-6 2226 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  SBBG2665  Sedum oregonense H. and M. Dearing 1939-7-1 3792 Siskiyou Salmon Mtn 1828 Comment
  UC455351  Sedum spathulifolium I. J. Condit 1911-7-13 Siskiyou Shasta Retreat Shasta Retreat (dry rocky bank near R.R. Station) Comment
  RSA0074726  Sedum spathulifolium Gilbert Muth 1965-8-3 158 Siskiyou Marble Valley, Marble Mtns. Comment
  UCD102018  Sedum stenopetalum Alfred H. Murphy 1961-7-20 61 - Siskiyou Marble Mtns., Klamath National Forest, divide bewteen Elk and Rainly Valley. 1981 Comment
  RSA14499  Senecio canus Elmer I. Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  SBBG8762  Senecio integerrimus H. and M. Dearing 1938-6-28 2187 Siskiyou Mt Shasta 1828 Comment
  CAS-BOT-BC364046  Senecio integerrimus var. major J. H. Thomas 1954-5-13 4137 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  HSC61995  Senecio integerrimus var. major Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS37284  Senecio integerrimus var. major Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  HSC23649  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 934 Siskiyou Along Duck Lake Creek trail 1905 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-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  HSC61998  Senecio triangularis Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC213142  Sidalcea Margaret M. Hanna 1956-6-2 s.n. Siskiyou 6 mi. E of Redding, Hiway 299 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
  RSA88001  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19642 Siskiyou 11 miles north of happy Camp on road to Waldo. Comment
  HSC62278  Sidalcea malviflora subsp. nana Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  HSC81547  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1980-7-21 6163 Siskiyou Along Forest Service Rd. 40N08, .6 mi. from junction with State Rte. 3 1646 Comment
  CAS-BOT-BC205788  Sidalcea oregana Wm. Bridge Cooke 1939-7-7 13589 Siskiyou Mount Shasta. At Bear Springs Comment
  RSA448577  Sidalcea oregana subsp. oregana M. B. Dunkle 1945-8-7 9336 Siskiyou Paradise Lake Comment
  UC624821  Sidalcea setosa David D. Keck 1938-8-6 4815 Siskiyou 4 mi s Oregon line (Poker Flat, on road from Waldo to Happy Camp, North slope, summit of Siskiyou Mts., at Del Norte Co. line); summit of Siskiyou Mts., North slope 1554 Comment
  CAS-BOT-BC181199  Silene campanulata subsp. glandulosa R. C. Barneby 1954-5-16 11508 Siskiyou Klamath R. canyon 10 1/2 mi. below Klamath River P.O. 472 Comment
  UCD98560  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou in and around the O'neill campground near Seiad Valley. 487 Comment
  CAS-BOT-BC94411  Silene douglasii R. C. Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  CAS-BOT-BC388964  Silene grayi Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  CAS-BOT-BC388967  Silene grayi M. A. Showers 1981-8-8 2107 mas Siskiyou Basin between Shastina and Mt. Shasta at head of Cascade Gulch 2804 Comment
  HSC19525  Silene grayi J. O. Sawyer 1969-7-16 1135 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  UC136250  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Liddy Comment
  UC1198360  Silene hookeri Joseph P. Tracy 1939-4-29 16273 Siskiyou 3 mi n of mouth Salmon (near Somes Bar, e side Klamath River); e side Klamath River near Somes Bar, n of mouth Salmon 243 Comment
  CAS-BOT-BC181252  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  JEPS50875  Silene menziesii Geo. D. Butler 1908-6-28 103 Siskiyou near Yreka (along creek at Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC375340  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  HSC68010  Silene vulgaris J. P. Smith, Steve Selva 1970-6-15 3893 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UCR21089  Sisyrinchium bellum T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  UC429235  Sisyrinchium bellum unknown April 1903 Siskiyou Yreka; Mount Mooney Comment
  SEINET3154290  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  UC375210  Smilax californica Geo. D. Butler 1908-7-7 147 Siskiyou along creek near Yreka Comment
  NY821197  Solanum parishii W. B. Cooke 1940-6-6 15075 Siskiyou Along the Castle Lake Road 1676 Comment
  NY821076  Solanum parishii A. R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S. of Cook and Green Pass Comment
  UC163712  Solanum physalifolium var. nitidibaccatum Geo. D. Butler 1908-7-11 1009 Siskiyou near Yreka Comment
  UC884960  Solanum physalifolium var. nitidibaccatum A. A. Heller 1915-8-24 12208 Siskiyou ne base of Mount Eddy (Metcalf's ranch); , Metcalf's ranch 1188 Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  CDA5979  Solanum triflorum J. R. Grisham 1960-9-29 Siskiyou Ralph Leavers property, Butte Valley. 0 Comment
  JEPS12122  Solanum triflorum Fred P. Cronemiller Jr. 1929-8-6 Siskiyou Paynes Cove, Modoc National Forest Paynes Cove; Modoc National Forest, Paynes Cove 1341 Comment
  CAS-BOT-BC157043  Solanum umbelliferum L. R. Short 1933-5-30 120 Siskiyou Klamath National Forest. Bank of Highway 579 Comment
  CAS-BOT-BC157045  Solanum umbelliferum C. R. Quick 1958-6-17 58 -32 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA238029  Solanum umbelliferum Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below the seepage along the trail from English to Diamond Lake. Comment
  CAS-BOT-BC365570  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC365577  Solidago elongata Grant 1902-9-13 5191 Siskiyou Dunsmuir Comment
  HSC26761  Solidago elongata J. P. Smith, J. O. Sawyer 1971-9-18 4811 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC72273  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8963 Siskiyou 1/2 mi. N of Siskiyou-Trinity County line on S.R. 3 Comment
  LA203958  Solidago elongata Wm. Bridge Cooke; 1939-7-7 13596 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC365556  Solidago elongata L. E. Smith 1915-7-11 s.n. Siskiyou Sisson 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
  CAS-BOT-BC158936  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou W. Fork Beaver Cr., Klamath National Forest 1676 Comment
  RSA237836  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC163746  Sorbus scopulina var. scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek Comment
  UC202193  Sparganium angustifolium Geo. D. Butler 1910-7-13 1766 Siskiyou Shackleford Creek 1219 Comment
  POM91543  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC149692  Spiraea douglasii Dr. E. B. Copeland 1903-8-12 3836 Siskiyou Sisson 1066 Comment
  HSC18954  Spiraea douglasii J. O. Sawyer 1969-7-7 1088 Siskiyou Little Duck Lake 1966 Comment
  HSC62275  Spiraea splendens var. splendens Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC64782  Spiraea splendens var. splendens J. P. Smith, Steve Selva 1970-7-17 4447 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC456146  Stachys ajugoides var. rigida I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  SD88345  Stachys emersonii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  JEPS117252  Stachys palustris subsp. pilosa Lowell Ahart, John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) s 716 Comment
  HSC34128  Stachys rigida J. O. Sawyer 1969-7-23 1181 Siskiyou Along Horse Range Creek 1555 Comment
  HSC29311  Stachys rigida var. rigida Frederick W. Oettinger 1969-8-19 1461 Siskiyou Marble Mountain Wilderness Area, below old Tanners Peak trail 1860 Comment
  CAS-BOT-BC181419  Stellaria calycantha Wm. Bridge Cooke 1940-8-22 15457 Siskiyou Common near springs in Mud Creek Canyon, especially near Clear Creek - Mount Shasta 1981 Comment
  CHSC88120  Stellaria longipes var. longipes Jenny Marr 1993-7-1 130 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM101775  Stellaria nitens Geo. D. Butler 1910-4-9 1158 Siskiyou Around Yreka. Comment
  CAS-BOT-BC516472  Stenanthium occidentale J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness ARea 1920 Comment
  UC1299354  Stenanthium occidentale Freed W. Hoffman 1951-7-15 4043 Siskiyou w side Kelsey Creek (Hammond Camp); Marble Mountains 1524 Comment
  CAS-BOT-BC375669  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC1394171  Stephanomeria paniculata unknown 1966-7-24 6679 Siskiyou near Mt. Shasta 1.25 mi post (Shasta Ski Bowl Road); Mt. Shasta 1219 Comment
  CAS-BOT-BC322918  Stephanomeria tenuifolia Elmer I. Applegate 1935-6-8 9420 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC19123  Stipa occidentalis var. californica J. P. Smith 1969-8-2 1719 Siskiyou E facing slopes SW of Little Duck Lake. 2241 Comment
  HSC38392  Stipa occidentalis var. californica J. D. Ackerman, A. M. Montalvo 1975-7-19 587 Siskiyou 3 mi. E of McCloud, off Hwy. 89, on FS Rd. 39N13 1067 Comment
  HSC19239  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1545 Siskiyou West of High Lake 2256 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  CAS-BOT-BC87846  Streptanthus tortuosus John Thomas Howell 1937-7-24 13385 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC87862  Streptanthus tortuosus Carl B. Wolf 1934-7-4 5924 Siskiyou Klamath River, 3 miles below the Bar Creek. 213 Comment
  CAS-BOT-BC87872  Streptanthus tortuosus D. E. Breedlove 1962-6-11 3355 Siskiyou At base of Black Butte along U.S. Highway 99, 4 miles south of Weed. 1188 Comment
  JEPS54036  Streptanthus tortuosus W. L. Jepson 1907-7-4 2818 Siskiyou Shackleford Canyon Marble Mt. region Comment
  UC1492824  Streptanthus tortuosus Freed W. Hoffman 1951-7-14 4044 Siskiyou along Hwy 99 5.6 mi n Shasta Comment
  UC1586880  Streptanthus tortuosus Juha Pykala and D. H. Norris 1987-7-7 2404 Siskiyou Jot Dean Ice Cave 1700 Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  RSA12673  Streptanthus tortuosus C. B. Wolf 1934-7-6 6022 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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Jul 4 2012
  UC117366  Streptanthus tortuosus var. orbiculatus Wm. M. Canby 1897-9-7 17 Siskiyou Mt. Shasta Comment
  HSC44708  Streptanthus tortuosus var. tortuosus J. O. Sawyer, E. Cope 1977-6-18 2922 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC18894  Streptopus amplexifolius J. O. Sawyer 1968-6-18 179 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS62164  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley camp Marble Valley 1676 Comment
  UC1409320  Streptopus amplexifolius var. americanus Frederick W. Oettinger 1968-8-10 462 Siskiyou inlet to Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC796666  Streptopus amplexifolius var. americanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11749 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UC1191398  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8304 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  HSC620  Suksdorfia ranunculifolia William J. Ferlatte 1966-7-7 200 Siskiyou Caribou Basin 1982 Comment
  UC1408937  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou meadow n Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC18881  Symphoricarpos mollis J. O. Sawyer 1968-9-13 722 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC18989  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1968 Siskiyou Along Sugar Creek. 1707 Comment
  HSC46797  Symphoricarpos mollis William J. Ferlatte 1976-9-22 1864 Siskiyou Yellow Rose Mine trail. 1615 Comment
  LA204589  Symphoricarpos mollis Wm. Bridge Cooke; 1938-7-29 11383 Siskiyou Mount Shasta, near Howard Comment
  UC164072  Symphoricarpos mollis Geo. D. Butler 1908-8-21 90 Siskiyou Etna Creek Comment
  UC154774  Symphoricarpos mollis subsp. mollis A. A. Heller 1905-6-5 7985 Siskiyou Shasta Springs Comment
  HSC91430  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1976-7-13 1458 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  JEPS40845  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou L. Eastlicks Ranch Oro Fino Comment
  UC223707  Symphyotrichum bracteolatum Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Creek 1737 Comment
  SEINET8409249  Symphyotrichum spathulatum Geraldine Allen Guppy 1978-8-23 555 Siskiyou near Panther Meadows campground in Mt. Shasta. 2100 Comment
  UC163894  Tanacetum vulgare Geo. D. Butler 1910-8-13 1826 Siskiyou Oro Fino Comment
  HSC58876  Taraxacum officinale Marvin Butler 1971-7-9 87 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  CDA7682  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2611 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC33992  Taraxacum officinale J. P. Smith 1974-5-25 7476 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC77561  Taraxacum officinale L. P. Janeway 1983-7-10 407 Siskiyou Poker Flat 1524 Comment
  RSA237670  Tauschia howellii Frederick W. Oettinger 1968-8-4 394 Siskiyou SE slope at the gap where the English Peak-Hancock Lake trail crosses the Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  POM210933  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Siskiyou Mountains, west end of White Mountain 1768 Comment
  JEPS84273  Tellima grandiflora L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6425 Siskiyou ca 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  UCSB22756  Tellima grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  HSC2237  Tetradymia canescens Geo. D. Butler 1909-7-1 955 Siskiyou Klamath Hills Comment
  CAS-BOT-BC88075  Thelypodium brachycarpum Alice Eastwood; John Thomas Howell 1934-4-20 1779 Siskiyou Gazelle. Comment
  HSC90988  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1237 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  POM143233  Thelypodium brachycarpum Geo. D. Butler 1910-8-21 1850 Siskiyou Shasta Valley Comment
  UC909331  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou shoreline of lower Klamath Lake Klamath Lake 1280 Comment
  SJSU6502  Thermopsis macrophylla R. W. Trivelpiece 1972-6-18 126 Siskiyou 3 mi W of Klamath R, c. 12 mi SW of Happy Camp 944 Comment
  UC1222602  Thermopsis robusta Joseph P. Tracy 1950-7-18 19220 Siskiyou Prospect Hill 1219 Comment
  UC165982  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-4 124 Siskiyou head of Shackleford Creek Comment
  UC375350  Thysanocarpus radians Geo. D. Butler 1909-4-4 550 Siskiyou around Yreka; around Yreka Comment
  RSA211324  Tofieldia glutinosa subsp. occidentalis William J. Ferlatte 1966-8-16 369 Siskiyou Trinity Alps: Big Flat, between campground and south forth of the Salmon River 1524 Comment
  SD88344  Tolmiea menziesii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State line, on road to Happy Camp 1646 Comment
  RSA256613  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along Forest Sevice Road 47N03. 1280 Comment
  CAS-BOT-BC519566  Triantha occidentalis subsp. occidentalis Annie M. Alexander; Louise Kellogg 1949-7-29 5894 Siskiyou Sky High Valley, Marble Mts.: Edge Hidden Lake, above Sky High Lake 1859 Comment
  CAS-BOT-BC519569  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  JEPS43404  Tribulus terrestris W. L. Jepson 1914-8-14 6160 Siskiyou near Dunsmuir (Castle Crag station) 670 Comment
  POM28069  Trifolium cyathiferum Geo. D. Butler 1910-6-3 1473 Siskiyou Quartz Valley. Comment
  UCSC008680  Trifolium cyathiferum Randall Morgan 2003-7-12 3012 Siskiyou Cleghorn Meadow, circa 13 road miles north of Highway 96 on Oak Knoll Ranger Station Road, +/- east of Klamath River Village Comment
  JEPS93881  Trifolium eriocephalum var. eriocephalum Vernon H. Oswald and Lowell Ahart 1998-7-21 9340 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, and on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  JEPS48898  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou below Log Lake (canyon, Shackleford Creek) Comment
  RSA237885  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake. the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1707 Comment
  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  UCD111340  Trifolium macrocephalum B. Crampton 1959-4-1 s.n. Siskiyou Ernie Solus ranch; Dryland pasture, Edgewood area. 914 Comment
  HSC794  Trifolium productum William J. Ferlatte 1967-7-9 697 Siskiyou Kidd Creek Trail 1982 Comment
  HSC73335  Trifolium repens Gail Newton 1980-6-20 468 Siskiyou Near Bald Mtn. 1097 Comment
  UC618761  Trifolium repens William Bridge Cooke 1938-9-17 11684 Siskiyou Horse Camp, Hudsonian Mount Shasta 2438 Comment
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Mar 31 2006
  RSA183661  Trifolium repens Gilbert Muth 1965-8-16 229 Siskiyou Marble Valley Guard Station, Marble Mountains Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC61695  Trifolium willdenovii Geo. B. Grant September, 1902 5072 Siskiyou Sisson Mount Shasta Comment
  UC202191  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Saline Marsh Shasta Valley Comment
  SBBG1080  Trillium ovatum K. K. Muller 1954-6-23 646 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  HSC36716  Trillium ovatum Brent Whitely 1975-7-1 116 Siskiyou 671 Comment
  UC30088  Trillium ovatum Harley P. Chandler June, 1901 1550 Siskiyou Ridges and meadows near Marble Mountain, 10 ft from melting snow 1828 Comment
  HSC30710  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; West of Statue Creek near the point where the Music Creek logging road makes hairpin turn 1756 Comment
  HSC37441  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-5 201 Siskiyou Stream crossing rd. to Duck Lakes Trail 1.0 mi. from trailhead 1707 Comment
  UC429260  Trillium ovatum subsp. oettingeri Annie M. Alexander and L. Kellogg 1911-6-17 156 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC200089  Trisetum canescens Doris K. Kildale 1928-8-18 6482 Siskiyou Near head of north fork of Salmon River near Finley's Upper Camp Comment
  HSC48279  Trisetum canescens Ken Stillman, J. O. Sawyer 1978-7-6 1036 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  JEPS89301  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  CAS-BOT-BC133486  Triteleia crocea Alice Eastwood; John Thomas Howell 1934-4-20 1741 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC133491  Triteleia crocea G. J. Muth 1969-8-10 1337 Siskiyou Ridge w. of Boulder Peak Comment
  HSC68552  Triteleia crocea Maralyn A. Renner 1980-6-8 802 Siskiyou Slopes E of Hwy. 3 1341 Comment
  HSC30441  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Marble Mtn. Wilderness Area, trail to Horse Range Lake 1768 Comment
  CAS-BOT-BC526140  Triteleia laxa D. H. Norris 1970-5-23 12247 Siskiyou In open oak forest along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CAS-BOT-BC80259  Tsuga mertensiana subsp. grandicona Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC74101  Turritis glabra Marion Ownbey; Fred G. Meyer 1940-7-7 2207 Siskiyou Along Soap Ridge road, southwest of Yreka. Comment
  CAS-BOT-BC74099  Turritis glabra Wm. Bridge Cooke 1938-7-15 11200 Siskiyou Mount Shasta. Bear Springs. Between the Bear Springs creeks. 1524 Comment
  UC375258  Urtica dioica subsp. holosericea Geo. D. Butler 1908-7-11 528 Siskiyou near Yreka Comment
  SEINET8360227  Utricularia minor Barbara L. Wilson 2011-8-23 16864 Siskiyou Fawn Creek meadows; a couple hundred yards downstream. 1879 Comment
  CHSC71580  Vaccinium cespitosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9454 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  HSC19528  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1728 Siskiyou W of Little Duck Lake 2195 Comment
  HSC96318  Vaccinium cespitosum Gordon Leppig, J. Kalt 1996-7-9 387 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  JEPS66683  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  HSC19246  Vaccinium scoparium J. O. Sawyer 1969-8-1 1655 Siskiyou Along trail to Little Duck Lake 1951 Comment
  UC7408791  Valeriana sitchensis subsp. sitchensis Frederick W. Oettinger 1968-8-6 425 Siskiyou along stream at se corner of Hancock Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  POM67761  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek. 1220 Comment
  SJSU6511  Vancouveria hexandra R. W. Trivelpiece 1972-6-15 116 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC44580  Vancouveria hexandra Laura Witherspoon 1977-7-7 Siskiyou Edge of spring in Dillon Camp 1494 Comment
  JEPS62206  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Log Lake Comment
  UC164388  Veratrum insolitum Geo. D. Butler 1908-8-9 535 Siskiyou Marble Valley Comment
  RSA50160  Verbascum blattaria E. K. Balls 1949-7-10 13952 Siskiyou Eddy's Gulch, 2 miles from Sawyer's Bar on road to Cecilville. 762 Comment
  HSC67565  Verbena lasiostachys J. P. Smith, J. O. Sawyer 1971-9-18 4813 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA238775  Veronica americana Frederick W. Oettinger 1969-8-21 1478 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CHSC88114  Veronica peregrina subsp. xalapensis Jenny Marr 1993-7-1 124 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC69008  Veronica serpyllifolia subsp. humifusa Maralyn A. Renner 1980-7-24 2050 Siskiyou Lily Pad Lake 1768 Comment
  JEPS23294  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7283 Siskiyou Poker Flat 1536 Comment
  HSC19337  Veronica wormskjoldii J. O. Sawyer 1969-7-9 1225 Siskiyou Along trail to Sugar Lake. 1768 Comment
  JEPS116579  Viburnum edule Len Lindstrand III 2007-7-5 Siskiyou Along spring-fed stream ca. 1 mi S of the town of McCloud 944 Comment
  HSC68542  Vicia americana var. americana Maralyn A. Renner 1980-6-25 1086 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  JEPS75369  Vicia americana var. americana Geo. D. Butler 1908-8-4 401 Siskiyou Head of Shackleford Creek 1676 Comment
  UC164016  Vicia americana var. americana Geo. D. Butler 1909-4-24 604 Siskiyou Greenhorn road Comment
  CAS-BOT-BC5205  Vicia americana var. americana E. B. Copeland 1903-8-12 165 Siskiyou Headwaters of Sacramento River. Sisson Comment
  POM252939  Vicia americana var. americana A. A. Heller 1938-7-12 15246 Siskiyou 5 miles north of Weed on US Hwy #97. 1067 Comment
  POM28946  Vicia americana var. americana Geo. D. Butler 1910-5-30 1440 Siskiyou Humbug Mountain 1220 Comment