Search Results — 2000 specimen records retrieved (1366 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC32593  Abies concolor Steven Lagos 1974-5-26 89 Siskiyou Duck Lake Creek drainage 146 Comment
  HSC99294  Abies concolor T. Jimerson, J. Pageau 1979-6-15 558 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA184700  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  RSA6533  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  SBBG133152  Abies concolor B. C. Templeton 1968-6-13 11329 Siskiyou near Castle Lake 1981 Comment
  CAS-BOT-BC78021  Abies grandis Clarence R. Quick 1958-11-3 58 -1 Siskiyou West of Hilt, near Oregon border Comment
  HSC39922  Abies lasiocarpa J. O. Sawyer 1971-7-16 2431 Siskiyou Slopes NE of Deep Lake, Bulk Collection 115 2165 Comment
  UC1001951  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou between Etna and Salmon Mountain summit; Salmon Mountains, Salmon Mountain 1828 Comment
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  CAS-BOT-BC331043  Acer glabrum var. glabrum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  RSA123631  Acer glabrum var. torreyi G. D. Barbe 1955-7-9 151 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  POM87431  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shakleford Creek Comment
  UC635160  Acer macrophyllum Dorothy Tebbe 1929-7-18 7 Siskiyou Mount Eddy Comment
  SEINET12766399  Acer macrophyllum Alv Dan Youngberg 1964-7-20 79 Siskiyou Growing in canyon bottom of East Fork of Indian Creek.; 0 610 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
  JEPS32000  Acer negundo var. californicum W. B. and V. G. Cooke with Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs (Mt. Shasta); , below McBride Springs Comment
  CAS-BOT-BC30428  Achillea millefolium John Thomas Howell 1937-7-23 13345 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1483522  Achillea millefolium Maralyn A. Renner 1980-6-9 856 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  CAS-BOT-BC18875  Achillea millefolium Alice Eastwood 1912-8-30 s.n. Siskiyou Mounty Eddy Comment
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  UCD50508  Achnatherum lemmonii Beecher Crampton 1969-6-18 8463 Siskiyou Oro Fino. (ca. 4 miles w.s.w. Fort Jones in direct line.) Comment
  CAS-BOT-BC210862  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-29 10949 Siskiyou Medicine Lake Comment
  UC156887  Achnatherum occidentale subsp. californicum Dr. E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta 2438 Comment
  JEPS57227  Achnatherum occidentale subsp. occidentale L. R. Heckard 1967-8-13 1712 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  RSA238983  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-3 1141 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC175619  Achnatherum occidentale subsp. pubescens Mr. Roseman 1913-1 Siskiyou Butte Valley Comment
  RSA603843  Achnatherum thurberianum L. C. Wheeler 1935-5-7 3470 Siskiyou Klamath River at Ash Creek. 610 Comment
  JEPS36720  Achyrachaena mollis Geo. D. Butler 1909-5-1 666 Siskiyou Block 5 Yreka Comment
  UCD103804  Acmispon americanus var. americanus A. A. Heller 1916-6-23 12430 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UCD104244  Acmispon nevadensis Robert E. Preston 1995-6-18 881 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, adjacent to Ager Rd. 701 Comment
  HSC101739  Acmispon wrangelianus J. P. Smith, J. O. Sawyer 2010-5-2 12798 Siskiyou River access road, on the Salmon River. 164 Comment
  SBBG25947  Aconitum columbianum D. Myrick 1966-8-10 1516 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  SBBG25949  Aconitum columbianum D. Myrick 1966-8-10 1521 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC391512  Aconitum columbianum subsp. columbianum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  HSC96298  Aconitum columbianum subsp. columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC17995  Aconitum columbianum subsp. columbianum Dorothy Parker 1949-8-3 355 Siskiyou Edges of Paradise Lake, Salmon Mtn. 1982 Comment
  SEINET10619648 Image available Aconitum columbianum subsp. viviparum H. E. Brown 1897-7-1 Brown 514 Siskiyou Collected south side Mt. Shasta, Siskiyou County. 1524 Comment
  HSC61848  Aconogonon davisiae Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CHSC91539  Aconogonon phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp CA and O'Brien, Oregon, at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  HSC61826  Aconogonon phytolaccifolium Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391704  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit via Horn Creek trail 1981 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
  UC637108  Adenocaulon bicolor Annetta Carter 1934-4-13 697 Siskiyou 4 mi n, on Indian Creek Happy Camp; Klamath National Forest, Indian Creek Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  UC399476  Adiantum aleuticum Geo. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  RSA239284  Adiantum aleuticum Frederick W. Oettinger 1966-6-23 28 Siskiyou Cecil Creek about 100 yards from where it crosses Black Gulch Road, Salmon River District, Klamath National Forest, Cecilville Comment
  SEINET10953807 Image available Adiantum aleuticum Edwin B. Copel 1903-9-6 Copeland 3859 Siskiyou Mt. Eddy. 1463 Comment
  UC399477  Adiantum aleuticum Geo. D. Butler 1908-8-8 242 Siskiyou bluff s of lake at head of West Fork of Woolley Creek Comment
  CDA37897  Aegilops cylindrica J. L. Johnson 1980-7-1 s.n. Siskiyou Montague. 0 Comment
  CAS-BOT-BC26634  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  UC164008  Agastache urticifolia Geo. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  RSA31957  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. 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
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  CAS-BOT-BC21375  Agoseris aurantiaca var. aurantiaca Alice Eastwood 1921-7-29 10946 Siskiyou Medicine Lake Comment
  HSC45207  Agoseris glauca var. glauca J. O. Sawyer, E. Cope 1977-6-20 2971 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  SEINET11854996  Agoseris grandiflora J. P. Tracy 1949-1 18555 Siskiyou 1.5 mi up Taylor Creek from mouth (branch of E Fork of S Fork Salmon R.) Sec.14 T38N R11W, .. 914 Comment
  HSC67939  Agoseris heterophylla J. P. Smith 1973-5-5 6481 Siskiyou Along Cook and Green Pass Rd. Comment
  UC163892  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou near Yreka Comment
  JEPS36269  Agoseris heterophylla var. heterophylla Geo. D. Butler 1909-4-26 605 Siskiyou Orofino Comment
  HSC92335  Agoseris monticola Jennifer Whipple 1976-8-20 1726 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CDA1688  Agropyron desertorum T. C. Fuller 1963-8-26 11161 Siskiyou Butte Valley; North limits of Macdoel. 0 Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  UCD169672  Agrostis exarata Louis C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: east end. 1767 Comment
  CAS-BOT-BC139570  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  HSC777  Agrostis gigantea William J. Ferlatte 1967-8-17 952 Siskiyou Yellow Rose Mine 1982 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS84087  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  UC535955  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou w side Medicine Lake; w side Medicine Lake 1981 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  HSC22423  Agrostis pallens J. O. Sawyer 1969-8-1 1693 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30515  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 Siskiyou Marble Mtn. Wilderness Area, rocky slope facing meadow near Upper English Lake 1768 Comment
  RSA239063  Agrostis pallens Frederick W. Oettinger 1969-9-1 1578 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239065  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1155 Siskiyou Above Sundew Bog, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA239086  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou Crapo Meadow along trail to Tom Taylor Cabin before it enters the woods . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7594104 Image available Agrostis pallens F. W. Oettinger 1968-1 637 Siskiyou southeast side of Abbott's Lake, Salmon Mountains 1722 Comment
  HSC30584  Agrostis scabra Frederick W. Oettinger, R. F. Thorne 1969-8-4 1169 Siskiyou Marble Mtn. Wilderness Area, outlet to Hancock Lake. 1890 Comment
  CAS-BOT-BC138483  Agrostis variabilis A. A. Heller 1922-7-15 13697 Siskiyou On the edge of the small lake at Medicine Lake. 2133 Comment
  UCR143549  Agrostis viridis L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  UCD55716  Aira caryophyllea A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3615 Siskiyou 11 miles north of Happy Camp, road to Grants Pass, banks of Indian Creek. Comment
  UC796562  Allium amplectens Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11720 Siskiyou Schoolhouse Hill Plowman's Valley (Noyes Valley), e. fork of Scott River Comment
  SEINET12048086  Allium bolanderi Unknown 1942-1 52 Siskiyou 2.5 mi W of Hilt Comment
  UCD77310  Allium campanulatum Robert E. Preston 2002-6-20 1835 Siskiyou Klamath National Forest, Rainbow Mountain, 1911 Comment
  HSC76636  Allium falcifolium K. T. Stillman 1976-6-25 54 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  HSC91448  Allium falcifolium Jennifer Whipple 1976-7-14 1472 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2195 Comment
  CAS-BOT-BC469243  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC86629  Allium obtusum var. obtusum D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2134 Comment
  RSA724921  Allium siskiyouense L. P. Janeway 2006-7-4 8792 Siskiyou Scott Mountains; Opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UCD141785  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou 2nd camp Marble Mountain Wilderness Area. Comment
Read comments
Mar 27 2015
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  SEINET3151668  Allocarya californica G. D. Butler 1910-5-29 1424 Siskiyou Damp place near Yuka. Comment
  UC796443  Alnus incana subsp. tenuifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11766 Siskiyou Forks of Salmon Rd about 6 mi from Etna 1676 Comment
  UCD109994  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC169636  Alnus rhombifolia Alice Eastwood 1921-7-30 11010 Siskiyou Shasta Springs, along river Comment
  RSA452797  Alnus rhombifolia E. E. Stanford 1930-6-15 1585 Siskiyou 1 mile north of Dunsmuir. Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna 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
  CAS-BOT-BC539680  Alnus viridis subsp. sinuata Doris K. Kildale 1929-7-20 8721 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  JEPS54304  Amaranthus blitoides Geo. D. Butler 1908-8-14 64 Siskiyou near Yreka Comment
  UC163733  Amaranthus californicus Geo. D. Butler 1908-9-6 133 Siskiyou near Yreka Comment
  HSC29352  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1969-8-13 1358 Siskiyou Marble Mtn. Wilderness Area, below Halfway Spring, trail from English Lake to Diamond Lake 1829 Comment
  CDA25706  Amelanchier alnifolia var. semiintegrifolia F. D. Horn 1977-5-25 Siskiyou South of Weed. 0 Comment
  HSC69428  Amelanchier pallida John Palmer 1980-7-23 568 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC136881  Amelanchier utahensis Ellsworth Bethel 1923-6-18 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136904  Amelanchier utahensis Ella Dales Cantelow 1936-5-20 1397 Siskiyou Summit of Salmon Mt. 1818 Comment
  CHSC96025  Amelanchier utahensis L. P. Janeway 2006-7-4 8799 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  CHSC57349  Amsinckia intermedia Lyna R. Black 1990-4-12 6 Siskiyou Approx. 1/2 mi ne of Yreka, CA e slope of hill. 853 Comment
  UCD119747  Amsinckia menziesii J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2582 Siskiyou Grenada. 800 Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  CAS-BOT-BC45216  Anaphalis margaritacea Alice Eastwood 1912-7-23 1344 Siskiyou Cantara Comment
  UCD77331  Anaphalis margaritacea Robert E. Preston 2003-7-29 2166 Siskiyou S slope of Rainbow Mountain 1785 Comment
  HSC68474  Anemone deltoidea Maralyn A. Renner 1980-6-26 1221 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC99847  Anemone deltoidea G. L. Clifton 1979-7-1 6179 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  SBBG30505  Anemone deltoidea D. Myrick 1968-6-27 2034 Siskiyou Big Flat Public Camp, head of Coffee Crk 1524 Comment
  CAS-BOT-BC391794  Anemone deltoidea Wayne Roderick 1967-7-23 s.n. Siskiyou Ca. 15 miles from Happe [Happy] Camp on O'Brien-Happy Camp road 1219 Comment
  RSA120810  Anemone deltoidea G. D. Barbe 1957-7-13 388 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  CAS-BOT-BC391859  Anemone drummondii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC43361  Anemone lyallii N. G. Sugihara 1977-5-28 65 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  RSA183716  Anemone multifida Gilbert Muth 1965-8-6 174 Siskiyou Marble Mountains; backside of Black Mountain Comment
  CAS-BOT-BC391936  Anemone multifida Edna Kelsey 1961-6-1 s.n. Siskiyou Marble Mts. Summit of Marble Mountain Comment
  HSC77077  Anemone multifida var. multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  UC618684  Anemone occidentalis W. Bridge Cooke 1938-7-21 11303 Siskiyou s. Horse Camp (crekk basins around s.w. slopes Mt. Shasta); Mt. Shasta 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
  HSC33969  Anemone oregana var. oregana J. P. Smith 1974-5-25 7462 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  SJSU2564  Anemone oregana var. oregana H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  JEPS107478  Anemopsis californica Lowell Ahart, John Dittes 2005-6-9 12024 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD127105  Angelica arguta R. Tofsrud 1948-8-3 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA48004  Antennaria dimorpha Roxana S. Ferris, Laura Lorraine 1948-6-12 11831 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  SEINET2031016 Image available Antennaria dimorpha Gene B. Newcomb, H. G. Baker 1959-3-28 237 Siskiyou 4.5 miles N of Yreka city limits on US Highway 99. 910 Comment
  UC726002  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on state highway #49) 1066 Comment
  JEPS82731  Antennaria howellii subsp. howellii Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  UC60986  Antennaria media Geo. B. Grant 1902-9-1 5113 Siskiyou Horse Camp Mt Shasta 2438 Comment
  CAS-BOT-BC79906  Antennaria microphylla Alice Eastwood 1921-7-28 10923 Siskiyou Medicine Lake Comment
  UCD77340  Antennaria rosea Robert E. Preston 2001-6-23 1598 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  RSA238710  Antennaria rosea Frederick W. Oettinger 1969-9-3 1615 Siskiyou On the bedrock slopes of Shasta Ridge between English Peak and Diamond Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC69506  Antennaria rosea subsp. rosea John Palmer 1980-7-24 654 Siskiyou Dillon Divide 1707 Comment
  RSA105409  Anthemis cotula G. D. Barbe 1955-7-1 084 Siskiyou 6 mi. south of Etna at junction of the Westside Rd. and the east-west road crossing Scott Valley. 884 Comment
  JEPS95243  Apocynum Steve Edwards Jul 1996 Siskiyou at base of Mount Eddy (Stewart Springs Road) 914 Comment
  RSA166009  Apocynum androsaemifolium subsp. pumilum Donald Myrick 1961-6-20 292 Siskiyou On Old McCloud Road to Bear Springs just east of Mt. Shasta City. 1098 Comment
  HSC727  Aquilegia formosa William J. Ferlatte 1967-7-25 722 Siskiyou Caribou Basin 1982 Comment
  HSC36732  Aquilegia formosa var. formosa Brent Whitely 1975-7-1 114 Siskiyou 671 Comment
  HSC44933  Arabis breweri var. breweri J. O. Sawyer 1978-6-19 3248 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC29157  Arabis divaricarpa Frederick W. Oettinger 1969-7-15 1030 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Bear Meadows, near Tom's Lake 2188 Comment
  HSC57403  Arabis drummondii G. L. Clifton, Griswold 1979-7-26 10155 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA0125809  Arabis glabra Frederick W. Oettinger 1969-8-16 1405 Siskiyou Wire Grass meadow, English Lake basin (below it). Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM266023  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  CDA24657  Arabis holboellii var. retrofracta F. D. Horn 1977-5-2 Siskiyou Near Weed. 0 Comment
  HSC62266  Arabis holboellii var. retrofracta Stansell 1938-6-18 Siskiyou Youngs Valley Comment
  RSA482751  Arabis paupercula Christopher Davidson 1975-6-5 2697 Siskiyou 0.7 mile on dirt road departing NE directly from Scott Mtn Summit. 1738 Comment
  HSC236  Arabis platysperma William J. Ferlatte 1967-8-21 1071 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  JEPS101148  Arabis pycnocarpa var. pycnocarpa Dean W. Taylor 1996-6-19 15715 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  UC166108  Arabis subpinnatifida Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek Comment
  HSC29159  Arabis suffrutescens var. horizontalis Frederick W. Oettinger 1969-7-15 1026 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  UC1190174  Aralia californica Ira L. Wiggins 1955-7-22 13455 Siskiyou S. Fork Salmon R. 9.5 mi. above Cecilville; S. Fork Salmon R. Comment
  CAS-BOT-BC171029  Aralia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near it's mouth, 3 miles east of Happy Camp. Comment
  POM299041  Aralia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near its mouth, 3 miles east of Happy Camp Comment
  SEINET2471228  Arceuthobium abietinum R. L. Mathiasen 2008-9-16 2008 -30 Siskiyou Ca. 4.8 km E. of Etna Summit on road to Sawyers Bar 1630 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
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Jun 7 2012
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  CAS-BOT-BC39978  Arctostaphylos nevadensis W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake by Mt. Shasta. Comment
  CAS-BOT-BC39987  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy. above Dobkins Lake. 2133 Comment
  CAS-BOT-BC45436  Arctostaphylos nevadensis W. R. Dudley 1899-8-1 s.n. Siskiyou Side of Craggy Peak. Comment
  HSC30462  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, .1 mi. S of Diamond Lake 2073 Comment
  RSA47624  Arctostaphylos nevadensis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11801 Siskiyou At Mule Creek crossing on Scott Mt. Road so. of Callahan. 1463 Comment
  SEINET11991010  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 104 Siskiyou along trail between Cook & Green Pass & Lily Pad Lake 1676 Comment
  CAS-BOT-BC46435  Arctostaphylos patula H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy. Above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46454  Arctostaphylos patula C. Hart Merriam 1919-9-23 s.n. Siskiyou Weed. Comment
  CAS-BOT-BC46467  Arctostaphylos patula Alice Eastwood 1912-9-1 s.n. Siskiyou Sisson. Comment
  CAS-BOT-BC46477  Arctostaphylos patula 1911-6-15 s.n. Siskiyou Jackson Lake. Comment
  CAS-BOT-BC46525  Arctostaphylos patula L. B. Kildale 1930-6-1 9861 Siskiyou Salmon River 5 mi. n. of Forks of Salmon. Comment
  OBI70668  Arctostaphylos patula Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mtn. Cyclone Gap chrome mine Comment
  UC166057  Arctostaphylos patula Geo. D. Butler 1909-3-28 586 Siskiyou Yreka hills Comment
  CAS-BOT-BC46488  Arctostaphylos patula W. B. C. 1939-8-4 13803 Siskiyou Along the Sisson Southern Trail. 1524 Comment
  SEINET11977820  Arctostaphylos patula H. P. Chandler 1901-1 1600 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  RSA629723  Arctostaphylos viscida subsp. viscida L. C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  UC165944  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake Comment
  SEINET3155346  Arenaria nuttallii G. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  HSC60848  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. Bell Echo Meadow. 1524 Comment
  UCD105962  Arenaria serpyllifolia var. serpyllifolia Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  JEPS98789  Arnica Sue Pappalardo 1993-7-19 495 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-BC82248  Arnica chamissonis Calvin McMillan; Malcom A. Nobs 1949-6-17 798 Siskiyou Grass Lake, Highway 97 Comment
  UC726140  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake 1561 Comment
  HSC12271  Arnica chamissonis Richard Spjut 1970-7-16 440 Siskiyou ca. 23 miles N of Weed on Hwy. 97, at Grass Lake 1524 Comment
  UC585145  Arnica cordifolia E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1998 Siskiyou ca 1.5 mi w, (e and ne slope of spur of Rainbow Ridge above Sulloway Creek) Mt. Shasta City; Sulloway Creek, Rainbow Ridge 1180 Comment
  SBBG7587  Arnica discoidea H. and M. Dearing 1939-6-19 3684 Siskiyou high up French Crk Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  CAS-BOT-BC82689  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along the wall of Mud Creek Canyon 2286 Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  POM211808  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  CDA10152  Artemisia douglasiana T. C. Fuller 1962-8-3 9519 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  JEPS37041  Artemisia douglasiana Geo. D. Butler 1908-8-14 311 Siskiyou near Yreka (upper field); Butlers Ranch Comment
  UC710446  Artemisia ludoviciana subsp. incompta John Thomas Howell 15146 Siskiyou Marble Mts., Black Mt. Comment
  RSA183731  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 232 Siskiyou On trail to backside of Blk. Mt. Comment
  CAS-BOT-BC97416  Artemisia tridentata subsp. tridentata Alice Eastwood 1921-7-28 10879 Siskiyou Medicine Lake Comment
  UC12124  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC400595  Asarum caudatum Milo S. Baker 1926-7-28 -' 26 Siskiyou Bridgeville - Red Bluff Highway, S. Fork Mt. 1066 Comment
  RSA238012  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC400697  Asarum hartwegii Doris K. Kildale 1929-5-12 7785 Siskiyou Sawyers Bar, North Fork of Salmon River 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
  JEPS49845  Asclepias cordifolia Willis L. Jepson July 24, 1894-August 10, 1894 14529 Siskiyou near Sissons; Region of the Upper Sacramento 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
  SEINET7121401  Asclepias speciosa B. L. Wilson 2006-7-25 11946 Siskiyou Near spring on Forest Service road above Forest Mountain Summit 1265 Comment
  HSC27787  Aspidotis densa J. P. Smith, J. O. Sawyer 1972-9-13 5787 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  POM23231  Aspidotis densa E. B. Copeland 1903-8-18 3815 Siskiyou Mount Eddy 1677 Comment
  UC1242059  Aspidotis densa Don Branscomb 1958-7-22 Siskiyou NE Siskiyou Co Comment
  UC1034654  Aspidotis densa Douglas Barbe 1955-7-26 260 Siskiyou nw slope Scott Mt; Klamath Mts 1828 Comment
  UCD137299  Aspidotis densa Louise Kellogg 5-7 Aug 1953 103 Siskiyou Scott Mountains, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road); Cabin Meadow, 1 mile north of Cory Peak. 1844 Comment
  RSA417621  Aster M. B. Dunkle 1929-8-26 2332 Siskiyou Golden Trout Creek. 2744 Comment
  SEINET10757880  Aster brickellioides Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  CAS-BOT-BC310334  Asteraceae R. C. Wenk 2005-7-15 236 B Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  CAS-BOT-BC178819  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  UC1601950  Astragalus californicus Katharine Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC178817  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed, on banks along the railroad near Weed Comment
  UCD104694  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  CAS-BOT-BC187333  Astragalus lentiginosus var. salinus Elmer I. Applegate 1935-6-5 9333 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  CAS-BOT-BC192917  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mts. 2194 Comment
  CAS-BOT-BC193063  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11518 a Siskiyou Scott Bar 548 Comment
  POM45521  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka. Comment
  HSC100275  Astragalus whitneyi J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13073 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  RSA110164  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  HSC65080  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UCD66895  Asyneuma prenanthoides J. P. Smith and Steve Selva 1970-7-15 4340 Siskiyou Klamath Nat'l. Forest; road to Happy Camp. 731 Comment
  HSC29366  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou Marble Mtn. Wilderness Area, just SE of Tobacco Lake 1890 Comment
  CAS-BOT-BC66197  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1929-7-20 8727 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  HSC22158  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC1190386  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou trail at crossing of China Creek (above diversion dam) 1301 Comment
  HSC23664  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along C.C.C. rd. near Horse Range Cr. 1280 Comment
  CAS-BOT-BC17615  Athysanus pusillus George Dexter Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  CDA23339  Atriplex triangularis T. C. Fuller 1963-8-27 11163 Siskiyou North shore of Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  UC1053434  Balsamorhiza deltoidea Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3140 Siskiyou cliffs opposite of, along Sacramento River on e side of canyon, directly opposite railroad shops Dunsmuir; Sacramento River Comment
  CAS-BOT-BC106542  Balsamorhiza deltoidea Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42693 Siskiyou Roadside turnoff, 1 mi. w. of Bolam road, along SR-97, Mt. Shasta 1158 Comment
  CAS-BOT-BC100048  Balsamorhiza hookeri Lincoln Constance; Reed C. Rollins 1942-5-14 2919 Siskiyou One mile east of Yreka 762 Comment
  CAS-BOT-BC100062  Balsamorhiza lanata L. E. Smith 1913-4-14 627 Siskiyou Yreka Comment
  CAS-BOT-BC16805  Barbarea verna Mrs. H. C. Cantelow 1939-6-10 2584 Siskiyou 22.4 miles southwest of McCloud on road to Burney. Comment
  SEINET10967578  Beckmannia syzigachne Louis C. Wheeler 1935-6-27 Wheeler 3621 Siskiyou Edge of irrigation ditch in sunny meadow. Greenview, Scott Valley 884 Comment
  HSC36893  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-26 7551 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UCSB24056  Berberis aquifolium var. aquifolium Favero, R. 1968-3-26 Siskiyou 1 mile southwest of Hilt, near old water tank, Siskiyou Mountains 853 Comment
  HSC69417  Berberis nervosa John Palmer 1980-8-12 731 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC75941  Berberis piperiana P. C. Everett; E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mile north of Walker. 548 Comment
  CAS-BOT-BC169477  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC413077  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC413079  Bistorta bistortoides W. R. Dudley 1893-6-18 s.n. Siskiyou Sisson's Comment
  CAS-BOT-BC127933  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  HSC82282  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson 1979-6-15 4801 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC894094  Blepharipappus scaber Louis C. Wheeler 1935-6-9 3553 Siskiyou s slope Yreka Creek, Siskiyou Mts. Siskiyou Mts., Yreka Creek 1219 Comment
  JEPS24005  Blepharipappus scaber Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6866 Siskiyou 3 mi below (north of) road summit, on the road to Callahan Scott Mtn. 1219 Comment
  CAS-BOT-BC14666  Boechera rectissima Alice Eastwood 1921-7-30 11003 Siskiyou Soda Creek. Comment
  CAS-BOT-BC14709  Boechera repanda John Thomas Howell 1937-7-23 13374 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25432  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2917 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  SEINET3166091  Boechera retrofracta P. J. Alexander 2008-7-24 872 -A Siskiyou On the Pacific Crest Trail on the N side of Lilypad Lake, +-0.45 miles S of Red Butte, +-5.75 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1783 Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  HSC60120  Boschniakia strobilacea M. A. Baker 1978-5-20 584 Siskiyou 3 km N of Somes Bar Comment
  SBBG25883  Boykinia major D. Myrick 1966-8-8 1482 Siskiyou Lake Josephine, Mountain Meadow Ranch, Big Flat 1828 Comment
  CAS-BOT-BC418460  Boykinia major C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake; Flora of the Pacific Slope 1828 Comment
  CDA3601  Brassica rapa T. C. Fuller 1964-6-25 12249 Siskiyou Tulelake National Wildlife Refuge ca. 6 miles southwest of Tulelake. 0 Comment
  RSA15650  Brickellia californica C. B. Wolf 1927-8-26 1005 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC127717  Brickellia greenei Peter Raven 1956-9-5 10462 Siskiyou North Fork of Sacramento River 1828 Comment
  CAS-BOT-BC482219  Brodiaea coronaria var. coronaria Milo S. Baker 1934-6-24 8110 Siskiyou Along Hiwy in Sacto Canyon near Pollards Gulch 20 mi south of Dunsmuir Comment
  CDA39464  Brodiaea elegans E. Hale 1984-6-19 s.n. Siskiyou Deer Meadow Road near Yreka. 0 Comment
  UC375188  Brodiaea elegans subsp. elegans Geo. D. Butler 1908-6-28 Siskiyou flats Oro Fino Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  CAS-BOT-BC148790  Bromus carinatus var. marginatus M. B. Dunkle 1945-7-8 9214 Siskiyou Klamath Forest. Black Marble Mountain shoulder. 2133 Comment
  UCD59110  Bromus carinatus var. marginatus F. G. Stuckey 1933-10-1 s.n. Siskiyou 30 mi. NE of Mt. Shasta. 1097 Comment
  UCD59206  Bromus carinatus var. marginatus E. Wilson 1937-6-25 s.n. Siskiyou Large stand between Shasta Co. and McCloud. Comment
  CAS-BOT-BC155982  Bromus diandrus R. E. Frenkel 1963-7-15 240 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River Railroad crossing near Mount Shasta. 1290 Comment
  CHSC71513  Bromus japonicus Vernon H. Oswald; Lowell Ahart 1998-7-21 9326 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of a meadow. 1524 Comment
  CHSC91358  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12009 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC4376  Bromus madritensis subsp. rubens M. M. Gregg 1966-5-14 180 Siskiyou W of Callahan on Etna Rd. approx. 1-1 1/2 mi. Along side of rd. Comment
  CAS-BOT-BC162138  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mount Eddy. Comment
  RSA239073  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA239075  Bromus orcuttianus Frederick W. Oettinger 1969-8-5 1207 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC30545  Bromus suksdorfii Frederick W. Oettinger 1969-9-2 1588 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  CAS-BOT-BC185592  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou Roadside near Yreka. Comment
  CAS-BOT-BC185593  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  JEPS69221  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou roadside near Yreka Comment
  UCD59847  Bromus tectorum R. Tofsrud 1947-6-24 37 Siskiyou Near Gazelle. Comment
  CAS-BOT-BC185380  Bromus vulgaris Ira L. Wiggins 1955-7-29 13590 Siskiyou Along Thompson Creek, 3.5 miles above south Fork of Salmon River. 1371 Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  CHSC36415  Calamagrostis koelerioides Donald M. Burk 1981-7-26 65 Siskiyou East side of Castle Lake. 1706 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1265353  Calamagrostis koelerioides Frederick W. Oettinger and R. F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring (on trail from English Lake to Diamond Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD57335  Calamagrostis koelerioides Beecher Crampton 1956-8-21 3825 Siskiyou the headwater of the south fork of the Sacramento River, 1/2 mile northeast of Gumboot Lake. 1767 Comment
  HSC23461  Calamagrostis nutkaensis J. O. Sawyer 1969-8-4 1841 Siskiyou Above Sugar Lake 2134 Comment
  OBI55489  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  CAS-BOT-BC85735  Calocedrus decurrens H. E. Brown 1897-6-15 507 Siskiyou North side of Mt. Shasta 2743 Comment
  JEPS105059  Calochortus coeruleus Dean W. Taylor 1996-7-11 15776 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  CAS-BOT-BC488605  Calochortus elegans var. nanus Wm. F. Herrin 1922-5-1 1922 Siskiyou Shasta Springs Comment
  CAS-BOT-BC488611  Calochortus elegans var. nanus C. L. Hitchcock; J. S. Martin 1939-7-9 5335 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  CAS-BOT-BC132416  Calochortus greenei Marion Ownbey; D. H. Brown 1941-6-24 2431 Siskiyou About half way up south side of Black Mountain, north-east of Yreka Comment
  CHSC71611  Calochortus nudus Vernon H. Oswald; Lowell Ahart 1998-8-3 9443 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC493092  Calochortus nudus W. B. C. 1938-7-15 11219 Siskiyou Wagon camp 1706 Comment
  SEINET3885346  Calochortus persistens Marion Ownbey, Sherman J. Preece 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka.; 0 Comment
  HSC44905  Calochortus tolmiei J. P. Smith 1973-5-5 6409 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS96992  Calochortus tolmiei Dean W. Taylor 1999-6-9 17236 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC494021  Calochortus tolmiei Doris K. Kildale 1928-4-14 4596 Siskiyou Klamath River at Somes Bar Comment
  CAS-BOT-BC181505  Caltha leptosepala D. M. Traugh 1933-8-7 17 Siskiyou Marble Valley Comment
  CAS-BOT-BC181506  Caltha leptosepala Gilbert J. Muth 1969-8-12 1381 Siskiyou Second Valley 2225 Comment
  CAS-BOT-BC181511  Caltha leptosepala Harley P. Chandler 1901-6-1 1571 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC4945  Caltha leptosepala J. O. Sawyer 1968-7-9 433 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC58896  Caltha leptosepala Marvin Butler 1971-7-6 32 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  CHSC29774  Caltha leptosepala var. biflora M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2778 Siskiyou Bog around Cedar Lake. 1737 Comment
  RSA11162  Calycadenia ciliosa C. B. Wolf 1927-8-27 1152 Siskiyou Klamath River, 1 mile above mouth of Salmon Comment
  POM30674  Calycadenia truncata subsp. microcephala Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  HSC46106  Calypso bulbosa J. P. Smith 1973-5-5 6450 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  JEPS101705  Calystegia malacophylla subsp. malacophylla Dean W. Taylor 1997-6-12 16066 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC1185276  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC221263  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1912-8-30 2030 Siskiyou Mount Eddy Comment
  POM76564  Calystegia occidentalis subsp. occidentalis Geo. D. Butler, R. T. Ferris 1910-5-20 1397 Siskiyou Humbug Mountain 1067 Comment
  CAS-BOT-BC37004  Camelina microcarpa R. E. Frenkel 1963-7-15 259 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RailRoad crossing near Mount Shasta. 1290 Comment
  RSA530925  Camelina microcarpa L. C. Wheeler 1934-6-2 2619 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains (Mt. Diablo Mer.) 671 Comment
  SD53389  Campanula prenanthoides Darley F. Howe 1962-8-4 3388 Siskiyou Baldy Mountain. Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SEINET10463088  Campanula prenanthoides Hutchinson 1932-7-10 HUTCHINSON 4455 Siskiyou On the edge of boggy ground at Castle Lake 1372 Comment
  SEINET10463165  Campanula prenanthoides White 1977-7-21 White 122 Siskiyou Preston Peak quadrangle; slope below outlet of Raspberry Lake. T17N R5E Sec. 22 1512 Comment
  RSA456188  Campanula rotundifolia M. B. Dunkle 1945-1 9353 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  SEINET10463371  Campanula scabrella Alice Eastwood 1912-8-30 Eastwood 2010 Siskiyou Mt. Eddy Comment
  SEINET10840348  Campanula scabrella Raven 1956-9-4 Raven 10415 Siskiyou SUMMIT OF MT EDDY FORMING MATS 2758 Comment
  HSC69419  Campanula scouleri John Palmer 1980-8-13 769 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  SEINET10463778  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Sisson's meadows, near Shasta Comment
  CAS-BOT-BC266461  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Valley Creek meadows Comment
  JEPS25570  Cardamine bellidifolia var. pachyphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7195 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (southwestern slopes Mt. Shasta); , above Mt. Shasta Ski Bowl Lo 2834 Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  SEINET5341066  Cardamine nuttallii G. Butler 1910-4-1 1152 Siskiyou Humbug Mt. on shady slopes. Comment
  CAS-BOT-BC19765  Carex abrupta John Thomas Howell 1939-8-9 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC29662  Carex abrupta Frederick W. Oettinger 1968-8-11 485 Siskiyou Marble Mtn. Wilderness Area, Tom Taylor Cabin 1982 Comment
  CAS-BOT-BC17861  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  NY25676  Carex amplifolia H. E. Brown 1897-6-1 319 Siskiyou Near Sisson 1082.0 Comment
  CAS-BOT-BC17963  Carex angustata William J. Ferlatte 1974-7-26 1594 Siskiyou Trinity Alps. Big Flat, near South Fork of Salmon River. Bottom of meadow west of campground. 1508 Comment
  HSC61818  Carex aquatilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA120304  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Northeast facing slope of Scott Mountain. Trinity-Siskiyou Cos line. 1829 Comment
  HSC26099  Carex athrostachya J. O. Sawyer 1969-7-9 1204 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  JEPS63765  Carex athrostachya B. C. Goldsmith 1916-8-6 13 a Siskiyou Sisson Comment
  UCD140137  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake. Comment
  CHSC98584  Carex brainerdii Thomas W. Nelson; Jane P. Nelson 1983-7-29 7506 Siskiyou Along Forest road 41N14 5 miles north of junction with Callaghan-Cecileville county road at crossing over Sugar Creek. 1432 Comment
  HSC29659  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Marble Mtn. Wilderness: High Lake Basins, above English Lake 1829 Comment
  CAS-BOT-BC34377  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 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
  CAS-BOT-BC20056  Carex echinata David D. Keck 1949-7-20 6361 Siskiyou At Trinity County Line. Meadow at Scott Mountain Summit. Comment
  SEINET7557910 Image available Carex echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Midway on trail between Diamond Lake and Hancock Lake at "Base Camp". 2012 Comment
  HSC96548  Carex echinata subsp. echinata Gordon Leppig 1998-7-10 904 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC86564  Carex fracta D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SEINET3901556  Carex fracta D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19537 Siskiyou Along State Route 96 about 8 miles west of junction with I-5.; 0 Comment
  JEPS84060  Carex gigas L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6377 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC535937  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson Strawberry Valley Comment
  UCD140468  Carex interior A. A. Heller 1920-7-11 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC35522  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou In the Wagon Camp Sedge Swamp 1737 Comment
  SEINET7563577 Image available Carex laeviculmis Ray Tallent 1987-8-12 899 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  SEINET7563561 Image available Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Just N of Tobacco Lake. High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  HSC60901  Carex lenticularis var. impressa Al Hobart Siskiyou Black Butte Comment
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  JEPS109242  Carex lenticularis var. lipocarpa D. W. Taylor 2005-8-18 19481 Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  SEINET7564731 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, at water's edge, north side of Hancock Lake. 2042 Comment
  CAS-BOT-BC31627  Carex luzulina var. ablata A. A. Heller 1922-7-3 13674 Siskiyou Wet soil along Wagon creek on Mt. Eddy. 2225 Comment
  RSA237350  Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou Southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2149 Comment
  HSC85838  Carex mertensii L. P. Janeway 1983-8-7 526 Siskiyou Along S fork Indian Creek Rd. (FS 17N32), 16 mi. from Indian Creek Rd. 1189 Comment
  CHSC109970  Carex multicaulis Peter F. Zika; Julie Nelson 2012-6-21 25903 Siskiyou South Fork Willow Creek, 8.4 air km NE of Gazelle Mountain, Shasta-Trinity National Forest. Klamath Range (KR). 1145 Comment
  SEINET3356156 Image available Carex multicaulis Barbara L. Wilson, Richard E. Brainerd, Nick Otting 2009-5-6 15479 Siskiyou Along Ager-Beswick Road on south of Copco Reservoir Comment
  CAS-BOT-BC32013  Carex multicaulis R. E. Frenkel 1964-7-13 697 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 0.4 mi N of McCloud River RR crossing. 1176 Comment
  HSC37150  Carex multicaulis J. O. Sawyer 1969-7-1 961 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  JEPS106479  Carex multicaulis J. K. Nelson with J. R. Nelson 2004-7-4 2004 -60 Siskiyou S side Mount Shasta, W side Squaw Valley Creek above Road 31 Comment
  SEINET10713510  Carex multicaulis Edwin B. Copel 1903-8-15 Copeland 3780 Siskiyou Mt. Shasta. 2134 Comment
  SEINET7568499 Image available Carex multicostata John Thomas Howell 1939-8-6 15108 Siskiyou Marble Mts, Elk, Mt. Comment
  HSC29635  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  HSC96015  Carex nigricans Juha Pykala, D. H. Norris 1987-7-7 2357 Siskiyou Mt. Shasta, Everitt Memorial Highway, Panther Meadow 2287 Comment
  HSC7157  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River Comment
  SEINET8351534  Carex nudata Barbara Wilson 1994-5-27 6919 Siskiyou Rogue River National Forest; near parking areas of the New London Trailhead, between Road 1050 (Elliot Creek Road) and the creek. Comment
  UC195508  Carex nudata Geo. D. Butler 1910-5-21 1377 Siskiyou Klamath River Comment
  HSC76655  Carex pachystachya K. T. Stillman 1976-7-23 296 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  SEINET10713240  Carex pachystachya var. gracilis Louis C. Wheeler 1935-7-26 Wheeler 3718 Siskiyou Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. Wet sunny meadow. Jaynes Canyon. 1951 Comment
  CAS-BOT-BC118929  Carex pellita Roxana S. Ferris; Laura Lorraine 1948-6-12 11819 Siskiyou East fork of Scott River drainiage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  CAS-BOT-BC119130  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2286 Comment
  HSC285  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Caribou Basin, Sawtooth ridge W of Big Caribou Lake 2134 Comment
  SEINET7572129 Image available Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC118795  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek. 2438 Comment
  POM81204  Carex preslii Geo D. Butler 1909-6-13 806 Siskiyou Orr Hins? Comment
  CAS-BOT-BC118606  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Scott Mar Quad, Marble Mountain Wilderness Area. 1828 Comment
  CHSC53541  Carex rossii L. P. Janeway 1983-8-28 647 Siskiyou At Poker Flat. On SE side of the mdw. 1524 Comment
  HSC76830  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  HSC49934  Carex scabriuscula Gilbert Muth 1978-8-4 7589 Siskiyou Near Big Carmen Lake, close to the town of Callahan 1707 Comment
  HSC82381  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4535 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD140807  Carex scabriuscula J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2763 Siskiyou north of Trinity Center, south side of Trinity River, west of Highway 3, 0.4 mile north of Coffee Creek Road. 733 Comment
  CDA33145  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2769 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  HSC39292  Carex spectabilis J. O. Sawyer 1969-8-2 1720 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC1265454  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 a Siskiyou above Tom Taylor Cabin (Bear Meadow); Salmon Mountains, Marble Mountain Wilderness 2164 Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  CAS-BOT-BC117236  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 2011 Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  SEINET10847233  Carex stipata Unknown 1940-6-8 Anonymous 15121 Siskiyou In meadow in Mount Shasta City. Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  SD53353  Carex straminiformis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  UC1363  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC115853  Carex subfusca Cyrus Guernsey Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta 2438 Comment
  POM81964  Carex subfusca Geo D. Butler 1910-6-5 1476 Siskiyou Shackleford Creek Comment
  UCD140918  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1280 Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC115162  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp-Waldo (Oregon) Road. Watershed of W Branch of Indian Creek. 1371 Comment
  JEPS95112  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  SEINET4110863  Carex whitneyi D. W. Taylor 2005-1 19382 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  CHSC592  Cassiope mertensiana V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2438 Comment
  SD76146  Cassiope mertensiana Helen V. Witham 1969-10-6 550 Siskiyou On steep west slope, above Kangaroo Lake. Comment
  CAS-BOT-BC59701  Cassiope mertensiana Volney Rattan 1879-1-1 s.n. Siskiyou Klamath. Comment
  CAS-BOT-BC241149  Castilleja applegatei subsp. pinetorum Alice Eastwood No date on label s.n. Siskiyou Cantara Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC91220  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-12 978 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC163705  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1255 Siskiyou near Yreka Comment
  UC625497  Castilleja applegatei subsp. pinetorum Frank W. Gould 1938-6-27 480 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA120313  Castilleja applegatei subsp. pinetorum S. S. Tillett 1956-7-9 667 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  CAS-BOT-BC243760  Castilleja applegatei var. pinetorum Annie M. Alexander; Louise Kellogg 1949-7-22 5845 Siskiyou Top of ridge, trail to Kings Castle, Paradise Lake, Marble Mountains 1920 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 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
  UC454803  Castilleja lacera I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  UC733142  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou s end Lower Klamath Lake (Laird's ranch) Comment
  HSC20532  Castilleja linariifolia R. C. Wunner 1965-6-30 312 Siskiyou Lava Beds N.M., .1 mi. above Big Painted Cave Comment
  RSA104156  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou Laird's Ranch, south end of Lower Klamath Lake. Comment
  CAS-BOT-BC254012  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC254115  Castilleja miniata Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  JEPS11639  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC252478  Castilleja miniata A. A. Heller 1914-8-26 11716 Siskiyou Deetz Station near Black Butte 1158 Comment
  RSA120855  Castilleja miniata G. D. Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  SBBG25941  Castilleja miniata subsp. miniata D. Myrick 1966-8-12 1544 Siskiyou Big Flat, Mountain Meadow Ranch; Trinity Alps 1676 Comment
  RSA0010947  Castilleja minor subsp. minor L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1978-7-18 4872 Siskiyou West of Table Rock, 9 air miles east of Montague. 854 Comment
  CDA41233  Castilleja minor var. exilis J. G. Schieber 1978-7-2 Siskiyou U.S. Wildlife Preserve, Tule Lake. 0 Comment
  JEPS86190  Castilleja pilosa L. R. Heckard with T. I. Chuang 1971-7-16 2587 Siskiyou just s Mt. Shasta Vista (U.S. Route 97) (ca 2 mi ne of Deer Lodge (n of Weed)) 1463 Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  POM265896  Castilleja pruinosa Lincoln Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 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-BC48658  Ceanothus cordulatus John Thomas Howell 1937-7-21 13189 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCSB16461  Ceanothus cuneatus var. cuneatus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  HSC100185  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-3 13402 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  UC18349  Ceanothus integerrimus State Survey 1862-9-9 1363 Siskiyou near Mt. Shasta Comment
  POM301658  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11083 Siskiyou 4 miles NE of summit of Buckhorn Mt, on the Weaverville Redding road. 732 Comment
  HSC33967  Ceanothus prostratus J. P. Smith 1974-5-25 7433 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  HSC39328  Ceanothus prostratus J. P. Smith 1974-5-25 7375 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  CAS-BOT-BC53029  Ceanothus sanguineus W. R. Dudley 1899-8-25 s.n. Siskiyou West of Gazelle - on grade, Willow Creek Comment
  CHSC9495  Ceanothus velutinus J. F. Goodwin 1971-7-3 131 Siskiyou North side of road on dry rocky bank with scattered pines and firs, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  RSA398977  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou open slopes S of Little Duck Lake 2134 Comment
  RSA398979  Ceanothus velutinus Bonnie C. Templeton 1964-6-9 10064 Siskiyou Slope of Mt. Shasta Comment
  UC1037434  Ceanothus velutinus Douglas Barbe 1955-8-1 320 Siskiyou se Craggy Lookout (on Mt. Bolivar); Scott Mountains, se of Craggy Lookout on Mt. Bolivar 2194 Comment
  UC1409313  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou on e side Hancock Lake ((high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC79914  Ceanothus velutinus T. S. Brandegee July 1889 2 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  UCD77492  Ceanothus velutinus Robert E. Preston 2001-6-23 1592 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 2042 Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  RSA398980  Ceanothus velutinus Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CAS-BOT-BC272105  Centaurea cyanus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mi. north of Weed Comment
  CDA32136  Centaurea solstitialis M. Beyers, G. F. Hrusa 2010-8-18 701 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  CAS-BOT-BC106030  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Farmed areas and waste ground, 200 aggregate acres over 400 gross acres, Hawkinsville, just n. of Yreka Comment
  UCD138896  Cephalanthera austiniae John M. Tucker; D. V. Hemphill 1974-7-28 4333 Siskiyou 1.25 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC384966  Cerastium arvense Alice Eastwood 1912-8-30 1974 Siskiyou Mount Eddy Comment
  HSC44959  Cerastium arvense J. O. Sawyer 1978-6-16 3222 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC92356  Cerastium arvense Jennifer Whipple 1976-7-1 1236 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC135448  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1934-4-20 1746 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC142158  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1934-7-12 2901 Siskiyou Cottonwood Creek - Klamath Forest 1066 Comment
  RSA449453  Cercocarpus ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Summit of Sterling Mt. 2128 Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  POM66496  Chaenactis carphoclinia Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug[?] Mtn 1220 Comment
  CAS-BOT-BC276757  Chaenactis douglasii var. douglasii Peter H. Raven 1956-9-4 10393 Siskiyou Pass just S of Mount Eddy 2438 Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  LA203125  Chaenactis douglasii var. douglasii Louis Wheeler; 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts 1280 Comment
  CAS-BOT-BC106045  Chaenactis suffrutescens Joy D. Mastrogiuseppe 1974-9-2 177 Siskiyou Ridge of Red rock Mountain 2255 Comment
  HSC42228  Chaenactis suffrutescens J. Mastrogiuseppe 1974-9-2 177 Siskiyou Siskyou/Trinity County line; Red Rock Mtn. 2256 Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
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  UC173222  Chaenactis suffrutescens Katharine Brandegee 1887-7-1 Siskiyou Edgewood Comment
  UC229957  Chaenactis suffrutescens H. E. Brown Jun 11 1897-Jun 16 1897 411 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC141589  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC85663  Chamaecyparis lawsoniana Miss Herzinger 1903-11-1 s.n. Siskiyou Scott River Valley Comment
  SEINET10531297  Chamaecyparis lawsoniana H. E. Brown 1897-6-1 Brown 321 Siskiyou Collected near Sisson. 3555 feet. 1081 Comment
  RSA142662  Chamaecyparis nootkatensis Al Hobart 1961-7-13 5 Siskiyou Mt. Preston 2134 Comment
  CHSC4549  Chamaesaracha nana J. E. Bowlin 1967-7-18 54 Siskiyou On bank beside the road, 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  RSA480966  Chamaesyce maculata L. C. Wheeler 1935-7-4 3652 Siskiyou Yreka. 800 Comment
  OBI53600  Chamerion angustifolium Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity Natl Forest, S of Mt Shasta (T40N, S3W, E1/2 sec 8) 1768 Comment
  HSC188  Chamerion angustifolium subsp. circumvagum William J. Ferlatte 1967-8-21 1079 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC373  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake Basin 1677 Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  HSC19021  Cheilanthes gracillima J. O. Sawyer 1969-7-10 1290 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  JEPS90821  Chenopodium simplex Dean W. Taylor 1987-8-9 9292 Siskiyou along Highway 161 (Oregon border) 8.3 mi w from Highway 139 (Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1249 Comment
  RSA187382  Chimaphila menziesii H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4420 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  HSC19318  Chimaphila umbellata J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1733973  Chimaphila umbellata Kay H. Beach and F. Gould 1940-5-15 Siskiyou Meadows and Goosenest Mountain 1828 Comment
  CAS-BOT-BC452257  Chimaphila umbellata W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains, near camp Comment
  CAS-BOT-BC452271  Chimaphila umbellata G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  UC412891  Chimaphila umbellata Annie M. Alexander and L. Kellogg 1911-7-16 243 Siskiyou S. Fork Salmon R. 1524 Comment
  RSA604378  Chrysolepis chrysophylla Louis C. Wheeler 1959-7-25 7597 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC1409350  Chrysolepis chrysophylla Frederick W. Oettinger 1969-7-29 1097 Siskiyou ridge just s Uncles Lake (near inlet stream, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  POM106432  Chrysolepis sempervirens Edward Palmer 1892-7-13 2562 Siskiyou Mt. Shasta and vicinity. Comment
  UC455273  Chrysolepis sempervirens I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 2133 Comment
  UCD78129  Chrysolepis sempervirens Robert E. Preston 2001-6-23 1565 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC100856  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenet foothills 1524 Comment
  JEPS22375  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1940-6-23 20021 Siskiyou near Andesite Station (along Weed-Klamath Falls highway) 975 Comment
  UC567205  Chrysothamnus viscidiflorus subsp. viscidiflorus H. A. Jensen 1933-8-29 344 Siskiyou near Cedar Park School; Dunsmuir Quad. 883 Comment
  HSC68242  Cichorium intybus J. P. Smith, Steve Selva 1970-7-17 4425 Siskiyou Along Klamath River. Comment
  CDA38293  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC95469  Circaea alpina subsp. pacifica G. Fred Hrusa 1998-7-5 14698 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Comment
  HSC29133  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Marble Mtn. Wilderness Area, near Tom Tyler Cabin 2012 Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CDA32841  Cirsium arvense CDFA Staff 1985-6-27 Siskiyou Tule Lake. 0 Comment
  CDA1136  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -A Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CDA39081  Cirsium cymosum Jodi Aceves 2013-5-23 PDR# 470 P06027599 Siskiyou Near Hornbrook, on upland banks of the Klamath River near Klamath River County Estates and R-Ranch Campground. 0 Comment
  OBI54129  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  CAS-BOT-BC278066  Cirsium douglasii var. breweri Grant 1902-9-10 5149 Siskiyou Sisson Comment
  CDA1206  Cirsium douglasii var. breweri T. C. Fuller 1959-1 3088 -B Siskiyou 3 mi. N/ Weed; Shasta River, wet meadow just S/ Hwy 99. Comment
  JEPS16945  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou along streams near North Fork of the Sacramento River 2194 Comment
  JEPS82110  Cirsium douglasii var. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7487 Siskiyou 6.2 mi above and sw Callahan (7 mi below and ne of road summit from Cecilville to Callahan) 1341 Comment
  POM195504  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  UCD130606  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest. 1981 Comment
  CAS-BOT-BC279881  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  RSA0070614  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  SEINET5506296 Image available Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1829 Comment
  RSA0070694  Cirsium occidentale var. candidissimum B. C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka. Comment
  CDA21700  Cirsium ochrocentrum subsp. ochrocentrum F. D. Horn, T. R. Haig 1979-9-19 Siskiyou Near Macdoel. 0 Comment
  CAS-BOT-BC288770  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC286464  Cirsium scariosum J. C. Chastain 1917-6-1 s.n. Siskiyou Castella Comment
  OBI54127  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  UC618645  Cirsium vulgare W. Bridge Cooke 1938-8-19 11514 Siskiyou road between Bear Springs and Howard 1219 Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC228975  Cistanthe umbellata Dorothy Parker 1959-6-28 726 Siskiyou Summit of Scott Mt. 1630 Comment
  SEINET270929  Cistanthe umbellata Richard J. Shaw 1963-6-10 1294 Siskiyou Highway 99 2 miles south of Weed. Comment
  UC20324  Clarkia lassenensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC97706  Clarkia modesta Thomas W. Nelson, Jane Nelson 2006-7-1 9452 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  RSA60534  Clarkia rhomboidea John H. Thomas 1949-6-16 948 Siskiyou 0.25 mile north of Beaver Creek Public Camp; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  HSC58961  Claytonia cordifolia Gilbert Muth 1976-7-28 5195 Siskiyou Near Kuntz Creek, close to the town of Seiad Valley 1830 Comment
  RSA45343  Claytonia exigua subsp. exigua Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch, east of Scott Valley. 823 Comment
  JEPS43305  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou Oro Fino Comment
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC443815  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  CAS-BOT-BC443816  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  UC1408942  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake basin Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1828 Comment
  UC224198  Claytonia rubra subsp. rubra H. E. Brown Jun 1 1897-Jun 10 1897 325 Siskiyou near Sisson 1083 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
  SBBG25876  Claytonia sibirica D. Myrick 1966-8-10 1523 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA211260  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC398634  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou near Klamath River (n end of Shasta Valley); Shasta Valley Comment
  UC857658  Cleome platycarpa L. E. Smith Jul 1912 Siskiyou Montague Comment
  CAS-BOT-BC500965  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  SBBG16036  Clintonia uniflora D. Myrick 1961-6-22 321 Siskiyou Hwy 89, E of McCloud 1371 Comment
  CAS-BOT-BC238055  Collinsia L. E. Smith 1913-7-24 487 Siskiyou Mc Cloud [McCloud] Comment
  CHSC57456  Collinsia linearis L. P. Janeway 1984-6-22 876 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. Comment
  UC1483450  Collinsia linearis Maralyn A. Renner 1980-6-23 990 Siskiyou Klamath National Forest, West Fork Seiad creek West Fork Seiad creek; Klamath National Forest, West Fork Seiad creek 877 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
  HSC72483  Collinsia rattanii J. P. Smith 1973-5-5 6388 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 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
  SEINET13406250  Collinsia rattanii L. C. Wheeler 1934-6-12 2692 Siskiyou Siskiyou Mountains, Hungry Creek Lookout. 1463 Comment
  HSC37522  Collomia grandiflora J. P. Smith 1974-5-25 7415 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC718486  Collomia grandiflora Carl B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  CAS-BOT-BC94906  Collomia grandiflora R. C. Wenk 2005-7-15 225 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  SEINET2445781  Collomia heterophylla A. A. Heller 1905-6-1 7947 Siskiyou Upper Soda Spring. Along railroad opposite Upper Soda Spring, under or near shrubs. Comment
  UC796445  Collomia heterophylla Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11780 Siskiyou small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  UC971918  Collomia tinctoria Herbert L. Mason 1950-7-16 14054 Siskiyou road from Happy Camp CA to Waldo Oregon Comment
  RSA381986  Corallorhiza maculata Louis C. Wheeler 1934-6-4 2639 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mountains 762 Comment
  RSA381993  Corallorhiza maculata M. B. Dunkle 1944-8-25 9171 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  UCD138907  Corallorhiza mertensiana J. M. Tucker; D. V. Hemphill 1974-7-26 4296 Siskiyou slope above Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  NY68299  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  CHSC105587  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property; UTM zone 10T, 555437 east, 4577898 North. Comment
  CHSC110173  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte Trail. (Study site 25). 1353 Comment
  JEPS117854  Cordylanthus tenuis subsp. viscidus unknown 1976-8-18 Siskiyou Gravel pit north of Abram's Lake turnoff from I-5 1127 Comment
  JEPS3576  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s of summit of road from Happy Camp CA to Waldo, OR Comment
  JEPS57501  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2123 Siskiyou just a mile over s of downtown Dunsmuir (along Dunsmuir Ave) 822 Comment
  CAS-BOT-BC212274  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll R.S., Klamath Forest 670 Comment
  RSA397706  Cornus glabrata B. C. Templeton 1957-6-22 7736 Siskiyou Between Callahan and Gazelle. Comment
  CAS-BOT-BC212059  Cornus nuttallii Doris K. Kildale 1928-8-18 6417 Siskiyou North Fork Salmon river at Finley Camp Comment
  CAS-BOT-BC212071  Cornus nuttallii Doris K. Kildale 1929-7-20 8630 Siskiyou Trail up South Fork Indian Crek to Elk Lick 609 Comment
  JEPS50158  Cornus nuttallii W. L. Jepson July 1894 14140 Siskiyou Sisson Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  JEPS50169  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek 1219 Comment
  UCSB22161  Cornus sericea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  HSC65408  Cornus sericea subsp. sericea Rich White 1978-7-18 259 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  JEPS50179  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-7 84 Siskiyou border of lake at head of Wooly Creek 1676 Comment
  JEPS50180  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek 1219 Comment
  UC21542  Cornus sericea subsp. sericea C. B. Bradley 1897-1 Siskiyou Comment
  UC336460  Cornus sericea subsp. sericea J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  CAS-BOT-BC180192  Corylus cornuta subsp. californica Carl B. Wolf 1927-8-26 1067 Siskiyou On the Klamath River, 8 mi above Hamburg Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  JEPS124700 Image available Corylus cornuta subsp. californica Rechen 1964-7-8 90 Siskiyou Fowlers Camp. Lower falls. McCloud River just off HW 89. Comment
  CDA25818  Crataegus douglasii var. suksdorfii F. D. Horn 1977-7-2 Siskiyou Lighthill Grade Road near Fort Jones. 0 Comment
  HSC101716  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13266 Siskiyou Along the Oregon Stage Road, south of the bridge with its intersection with Callahan-Gazelle Road. 823 Comment
  HSC101768  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-9-6 13422 Siskiyou Along East Moffett Creek Road 983 Comment
  RSA96961  Crataegus suksdorfii Percy C. Everett, E. K. Balls 1954-10-12 20275 Siskiyou along Klamath River, Hwy 96, 5.8 miles NW from Hamburg. 366 Comment
  RSA715494  Crepis bakeri L. Ahart, John Dittes 2005-6-9 12028 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  UC581262  Crepis monticola G. L. Stebbins Jr. and E. B. Babcock 1936-6-13 1973 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1 1/2 mi w of Mt. Shasta City); Rainbow Ridge 1180 Comment
  CDA4445  Crepis occidentalis Jess Grisham 1958-5-12 399 -58 Siskiyou W.H. Gamble property, Yreka. 0 Comment
  UC313845  Crepis occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  HSC44385  Crepis occidentalis subsp. occidentalis M. A. Baker 1977-5-22 321 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  SEINET10757959  Crepis pleurocarpa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 879 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  RSA47666  Crocidium multicaule Roxana S. Ferris, Laura Lorraine 1948-6-12 11835 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  HSC63984  Cryptantha torreyana J. P. Smith 1976-5-22 8783 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC164156  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou near Yreka Comment
  HSC46231  Cryptantha torreyana Jennifer Whipple 1978-6-5 2343 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC69190  Cryptogramma acrostichoides Maralyn A. Renner 1980-9-1 2699 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SEINET11711703  Cryptogramma acrostichoides C. G. Pringle 1881-1 s.n. Siskiyou Mount Shasta 2286 Comment
  CAS-BOT-BC80544  Cupressus bakeri O. V. Matthews 1939-7-18 37 Siskiyou Northeast [Goose Nest] Goosenest. East of Yreka 1828 Comment
  CAS-BOT-BC80563  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, [Goose Nest] Goosenest Region 1828 Comment
  NY16606  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  POM264956  Cupressus bakeri O. V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green region 1067 Comment
  UC1321452  Cupressus bakeri C. O. Stone 1964-6-6 COS 286 Siskiyou recent lava flow n of Timbered Crater (on old jeep trail to Gassaway Reservoir); Fall River Mills Quad. 1097 Comment
  SEINET10531421 Image available Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-9 Wolf 2130 Siskiyou Siskiyou Mts. above W. Fork of Seiad Creek, 3/4 mi above forks of creek. Arid transition:- Yellow Pines, Douglas Firs. Sun. S slope in red rock/ 1160 Comment
  NY1293  Cupressus bakeri subsp. matthewsii C. B. Wolf 1934-10-9 6169 Siskiyou Siskiyou Mts., above W fork of Seiad Creek, 0.75 mi above forks of creek. 1158.2 Comment
  NY643322  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mts. 518.2 Comment
  JEPS24800  Cuscuta howelliana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6809 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  SEINET10497518  Cynoglossum occidentale Mary Merello 1993-6-25 Merello 718 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC1190262  Cynoglossum occidentale Ira L. Wiggins 1955-7-23 13464 Siskiyou ridge w. of China Creek (s. side of S. Fork of Salmon R.); S. Fork of Salmon R. 960 Comment
  UC837442  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station Siskiyou Mts., Klamath R., Oak Knoll Ranger Station 670 Comment
  CAS-BOT-BC114283  Cyperus esculentus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  HSC66260  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  UC673564  Cypripedium fasciculatum Dorothy Tebbe 1929-7-5 131 Siskiyou Mount Eddy Comment
  HSC19326  Cypripedium montanum J. O. Sawyer 1968-6-25 317 Siskiyou Along Horse Range Creek 1829 Comment
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  CAS-BOT-BC136479  Cypripedium montanum G. P. Rixford s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  RSA183739  Cystopteris fragilis Gilbert Muth 1965-8-3 162 Siskiyou Pothole in Marble, Marble Valley, Marble Mountains. Comment
  HSC19073  Danthonia californica J. O. Sawyer 1969-8-1 1689 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UCD60971  Danthonia californica var. americana S. S. Tillett 1956-7-11 683 Siskiyou Siskiyou-Trinity County line: Ca. 8 mi. SE of Calahan. 1615 Comment
  HSC103046  Danthonia unispicata J. P. Smith 2014-6-7 13904 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC19075  Danthonia unispicata J. O. Sawyer 1969-8-1 1635 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC76238  Darlingtonia californica Elmer I. Applegate 1895-5-28 25 Siskiyou Eighteenth crossing of the Sacramento River below Sisson. Comment
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Nov 6 2019
  CAS-BOT-BC76248  Darlingtonia californica H. M. Hall; E. B. Babcock 1903-6-1 3400 Siskiyou Sierra Nevada Mountains. Mount Shasta. 18th Crossing Sacramento River, near Sisson. Comment
  POM142719  Darlingtonia californica H. M. Hall, E. B. Babcock 1903-06 4042 Siskiyou Mount Shasta; 18th Crossing, Sacramento River, near Sisson. 1037 Comment
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Nov 6 2019
  RSA422668  Darlingtonia californica Christopher Davidson 1975-6-5 2676 Siskiyou 3.3 miles from gate on special service road branching to SE of road from Gazelle to Callahan 9.3 miles W of Gazelle; Klamath Nat'l Forest. 1623 Comment
  UC11153  Darlingtonia californica W. A. Setchell, C. C. Dobie July, 1902 Siskiyou near Sisson; Mount Shasta, 18th Crossing Comment
  UC142509  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mt. Eddy 1219 Comment
  UC1483488  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1584 Comment
  RSA240079  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CAS-BOT-BC141831  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  CDA36141  Datisca glomerata Jim Staggs 2011-11-15 PDR# 450 P06001782 Siskiyou Castle Crags State Park near Dunsmuir. 0 Comment
  UC1191432  Delphinium Herbert L. Mason 1948-7-18 13626 Siskiyou Grass Lake Comment
  UC1225882  Delphinium glaucum Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4839 Siskiyou along streamlet draining into lower Mill Creek Lake (upper Mill Creek basin); Scott Mountains, Shasta National Forest, Salmon-Trinity Alps 2103 Comment
  CAS-BOT-BC8760  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mountain Wilderness Area, Bear Creek Trail 1584 Comment
  CAS-BOT-BC9885  Delphinium nudicaule J. H. Thomas 1954-5-14 4172 Siskiyou Salmon Mountains, Klamath N.F. Near South Fork of Salmon River, 5 to 9 mi. SE of Cecilville. 1219 Comment
  POM216197  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  HSC24998  Delphinium nudicaule R. C. Wunner 1965-6-6 77 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  HSC28664  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC41691  Delphinium nuttallianum J. P. Smith, Steve Selva 1970-7-17 4468 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC27039  Delphinium nuttallianum J. O. Sawyer 1971-7-2 2401 Siskiyou Above Elk Hole 1524 Comment
  UCD37081  Deschampsia cespitosa Beecher Crampton 1956-8-21 3820 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CHSC61564  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat, upper portion of a meadow. 1524 Comment
  UCD61373  Deschampsia cespitosa subsp. holciformis Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1208 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  CAS-BOT-BC201633  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  UCD62522  Deschampsia danthonioides P. B. Kennedy 1923-7-29 Siskiyou Sisson. Comment
  HSC60818  Deschampsia elongata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA126058  Deschampsia elongata I. L. Wiggins 1955-7-22 13449 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville 1067 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
  HSC46240  Dichelostemma congestum Jennifer Whipple 1978-6-5 2346 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC30435  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Marble Mtns. Wilderness Area, just above Willow Springs on trail between Abbott's Upper Cabin and English Lake 1692 Comment
  HSC5959  Dieteria canescens var. canescens R. C. Wunner 1965-8-27 488 Siskiyou California Lava Beds National Monument; 1/2 mi. from Devil's Homestead Overlook on Gillems Bluff 1280 Comment
  CAS-BOT-BC291016  Dieteria canescens var. shastensis Grant 1902-9-7 5119 Siskiyou Mt. Shasta Comment
  UC29894  Dieteria canescens var. shastensis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson, Mount Shasta Mount Shasta Comment
  UC86882  Dieteria canescens var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  UCD70188  Dieteria canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CDA31685  Distichlis spicata J. R. Grisham 1963-6-23 Siskiyou Tulelake Wildlife Refuge, Tulelake. 0 Comment
  JEPS82702  Dodecatheon alpinum Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (Castle Lake); , sw of Mt. Shasta city 1828 Comment
  UC1949326  Dodecatheon alpinum Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  RSA238728  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1969-9-4 1672 Siskiyou In wet boreal meadow below Tom Taylor Cabin Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC61985  Draba howellii Al Hobart Siskiyou Preston Peak Comment
  SEINET4852968  Draba pterosperma G. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1677 Comment
  UC722619  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5302 Siskiyou n. side of Black Mt. near Marble Mt. (King's Castle); Black Mt. 2072 Comment
  CAS-BOT-BC41415  Draba verna A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3419 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  SEINET5342789  Draba verna G. Butler 1910-3-24 1143 Siskiyou Shasta River Hills. Comment
  UC1409246  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Sundew Bog Salmon Mountains, Marble Mountain Wilderness Area (w above English Lake, w Siskiyou Co.) 1828 Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC86529  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC536728  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Mount Shasta. Hudsonian Zone. Comment
  UC1045252  Drymocallis pseudorupestris var. saxicola W. Bridge Cooke 1940-7-26 15372 Siskiyou w side Shastina; Mount Shasta, w side of Shastina Comment
  CAS-BOT-BC158427  Drymocallis rhomboidea Elmer I. Applegate 1935-6-8 9427 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC25458  Drymocallis rhomboidea J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5653 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC29656  Drymocallis rhomboidea Frederick W. Oettinger, R. F. Thorne 1969-8-5 1209 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake trail 1677 Comment
  HSC65322  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4438 Siskiyou 915 Comment
  UCD98724  Dysphania botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson. 1077 Comment
  RSA44457  Echinochloa muricata var. microstachya Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CAS-BOT-BC113724  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  SEINET7583465 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-24 1518 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  RSA577424  Eleocharis acicularis var. acicularis L. C. Wheeler 1935-7-23 3681 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  CAS-BOT-BC113418  Eleocharis bella Doris K. Kildale 1928-8-19 6514 Siskiyou English Lake, head of north fork of Salmon River. 1676 Comment
  CHSC88373  Eleocharis coloradoensis Jenny Marr 1993-7-1 179 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC113349  Eleocharis engelmannii W. R. Ernst 1958-8-8 285 Siskiyou Grass Lake area, about 32 miles S of Oregon State line on Hwy 97. Comment
  SEINET7586924 Image available Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  CAS-BOT-BC112013  Eleocharis suksdorfiana William Bridge Cooke 1940-7-5 15270 Siskiyou Common in the sedge swamp at Wagon Camp, Mount Shasta Comment
  CAS-BOT-BC197360  Elymus Copeland 1903-9-7 3794 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CHSC91371  Elymus cinereus Lowell Ahart; John Dittes 2005-6-10 12109 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  HSC92552  Elymus elymoides var. californicus Jennifer Whipple 1976-7-8 1367 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  HSC10945  Elymus elymoides var. elymoides D. M. Thomson 1965-6-12 79 Siskiyou Lava Beds National Monument, Hovey Point, along N boundary Comment
  HSC76769  Elymus elymoides var. elymoides K. T. Stillman 1976-8-7 376 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC69214  Elymus glaucus Maralyn A. Renner 1980-7-24 2086 Siskiyou Lily Pad Lake 1768 Comment
  HSC76897  Elymus glaucus K. T. Stillman 1976-9-9 491 Siskiyou Marble Mtn. Wilderness Area, trail from jump off to Paradise Lake 1951 Comment
  UCD61889  Elymus glaucus Geo. D. Butler 1908-6-25 479 Siskiyou Along Creek near Yreka. Comment
  UCR142757  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mts., east end White Mt. 1768 Comment
  CAS-BOT-BC206599  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC206605  Elymus glaucus subsp. glaucus Edward Lee 1934-8-14 1119 Siskiyou West slope of Little Grayback, Siskiyou-Del Norte County line. Comment
  CAS-BOT-BC206606  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  HSC30580  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou Marble Mountain Wilderness Area, N end of Horse Range Lake 1822 Comment
  HSC31064  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  CAS-BOT-BC235225  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  CAS-BOT-BC235226  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  CHSC88365  Elymus multisetus Jenny Marr 1993-7-1 171 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM228883  Elymus trachycaulus subsp. trachycaulus L. C. Wheeler 1935-6-30 3627 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC94896  Epilobium brachycarpum R. C. Wenk 2005-7-19 320 Siskiyou Along Pacific Crest Trail, 1-2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2133 Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  POM171578  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1929-8-24 9047 Siskiyou Rattlesnake Meadow, Preston Peak 1677 Comment
  RSA184734  Epilobium ciliatum subsp. glandulosum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  JEPS43854  Epilobium hallianum W. L. Jepson 1937-7-30 18549 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat 1584 Comment
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Sep 9 2008
  HSC19487  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-5 1951 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  RSA237388  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1969-8-1 1134 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  POM213942A  Epilobium minutum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  POM171633  Epilobium minutum Doris K. Kildale 1929-7-20 8690 Siskiyou Raspberry Lake, upper Indian Creek 1829 Comment
  UC125532  Epilobium siskiyouense Dr. E. B. Copeland 1903-9-7 3857 Siskiyou foot of glacier on se ridge Mt. Eddy Comment
  CAS-BOT-BC57805  Equisetum laevigatum D. E. Breedlove 1962-6-10 3333 Siskiyou On the n. bank of the Klamath River at its junction with Goff Creek, 4.5 mi. w. of Seiad. 411 Comment
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS60117  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 682 Siskiyou Shasta Springs Comment
  SEINET3164603  Eremocarpus setiger G. D. Butler 1910-7-28 1794 Siskiyou near Yreka Comment
  CAS-BOT-BC174220  Eremogone congesta var. congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  HSC67821  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3772 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  CAS-BOT-BC294300  Ericameria nauseosa var. speciosa Wm. Bridge Cooke 1938-8-5 11451 Siskiyou Mount Shasta. Near MacBride Springs Comment
  CAS-BOT-BC299471  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  HSC46938  Ericameria nauseosa var. speciosa William J. Ferlatte 1976-9-22 1853 Siskiyou Grouse Ridge along Yellow Rose Mine Trail 1860 Comment
  SEINET5708360 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7705 Siskiyou Scott Mts., collected along road 17, 13.1 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2056 Comment
  CAS-BOT-BC293377  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  HSC76938  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS84326  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6478 Siskiyou ca 5 mi n of the town Seiad Valley (above and w of Lily Pad Lake) Comment
  RSA238733  Erigeron aliceae Frederick W. Oettinger 1967-8-12 247 Siskiyou Below Crapo Peak Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1619968  Erigeron bloomeri Barbara Ertter 1990-7-14 9323 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, ridge s. & above creek); Mt. Eddy, Wagon Creek 1950 Comment
  HSC75497  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 375 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC23629  Erigeron cervinus J. O. Sawyer 1969-8-4 1839 Siskiyou Above Sugar Lake 2134 Comment
  JEPS94250  Erigeron chrysopsidis var. austiniae Vernon H. Oswald and Lowell Ahart 1998-6-11 9214 Siskiyou 1.5 mi s of the Rail Road crossing s of Mount Hebron (Klamath National Forest boundary on Old State Highway); Klamath National Forest boundary on Old State Highway 1295 Comment
  CAS-BOT-BC297108  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  JEPS57183  Erigeron compositus L. R. Heckard 1967-8-13 1692 Siskiyou near Mt. Eddy summit (on scree of s-facing slope); Mt. Eddy 2712 Comment
  CAS-BOT-BC296802  Erigeron divergens A. A. Heller 1938-7-12 15261 a Siskiyou Near the eastern base of Deer Mountain on U.S. Highway #97 Comment
  CAS-BOT-BC300430  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou About a mile south of Bray Comment
  HSC59017  Erigeron foliosus var. confinis Marvin Butler 1971-8-11 272 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1769 Comment
  CAS-BOT-BC296123  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts. summit of pass on road from Etna to Sawyer's Bar 1478 Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  RSA44886  Erigeron foliosus var. hartwegii J. C. Roos 1948-9-1 3950 Siskiyou Summit of pass SW of Etna Comment
  HSC68279  Erigeron foliosus var. mendocinus J. P. Smith, Steve Selva 1970-6-15 3926 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC295396  Erigeron inornatus A. A. Heller 1914-8-26 11717 Siskiyou Near Deetz Station near Black Butte 1158 Comment
  UC1023731  Erigeron nivalis W. Bridge Cooke 1941-8-14 16180 Siskiyou on ridges n of Horse Camp; Mount Shasta 2743 Comment
  RSA211199  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC295364  Erigeron petrophilus R. C. Wenk 2005-7-15 215 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher's Peak 2133 Comment
  UCD119304  Eriodictyon lobbii Lorry Dunning 1967-8-11 s.n. Siskiyou Mt. Shasta. 1996 Comment
  UCD13254  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Along dirt road. Elev. 5000. Comment
  HSC24104  Eriogonum compositum var. compositum J. O. Sawyer 1970-7-15 2352 Siskiyou Above Bear Lake 1585 Comment
  CAS-BOT-BC242527  Eriogonum congdonii Thomas W. Nelson; Jane P. Nelson 1983-8-12 7593 Siskiyou Klamath National Forest. Along forest road 40N02 ca. 1 mile north of juntion with State Route 3 at Scott Mountain Summit 1645 Comment
  CAS-BOT-BC246492  Eriogonum diclinum Doris K. Kildale 1928-8-20 6620 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  RSA237982  Eriogonum diclinum Frederick W. Oettinger 1969-9-4 1643 Siskiyou Little Medicine Mountain, north of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-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
  UC1035866  Eriogonum elatum var. villosum Annie M. Alexander and Louise Kellogg 1948-9-5 5582 Siskiyou South Fork Salmon River at Matthews Creek; South Fork Salmon River, Matthews Creek Comment
  UC375307  Eriogonum luteolum var. luteolum Geo. D. Butler 1908-8-30 199 Siskiyou near Fort Jones Comment
  CAS-BOT-BC263661  Eriogonum luteolum var. luteolum Elmer I. Applegate 1923-9-6 3941 Siskiyou Along the Klamath River about 20 miles below the Pacific Highway Comment
  SBBG1445  Eriogonum marifolium H. and M. Dearing 1948-9-12 6429 Siskiyou Mt Shasta 2316 Comment
  UC642570  Eriogonum marifolium W. B. Cooke 1939-6-23 13529 Siskiyou vicinity Wagon Camp (along Wagon Camp road); Mount Shasta 1676 Comment
  UC77434  Eriogonum marifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 230 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC263187  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  CAS-BOT-BC263193  Eriogonum marifolium var. cupulatum Lewis S. Rose 1937-7-25 37588 Siskiyou S. slope of Mt. Shasta 1767 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  CAS-BOT-BC257776  Eriogonum marifolium var. marifolium R. C. Wenk 2008-7-23 904 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) Comment
  CAS-BOT-BC261618  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC261675  Eriogonum nudum var. nudum Doris K. Kildale 1928-7-3 5431 Siskiyou Forks of Salmon, Salmon River 365 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
  UC917319  Eriogonum nudum var. nudum R. Tofsrud and J. M. Tucker 1948-8-2 1753 Siskiyou outskirts of McCloud McCloud Comment
  CAS-BOT-BC261623  Eriogonum nudum var. nudum Gilbert Muth 1965-8-10 s.n. Siskiyou Through Marble Valley & ridges Comment
  CAS-BOT-BC261676  Eriogonum nudum var. nudum Milo S. Baker 1926-7-17 63 -'26 Siskiyou Summit S. Fork Mt. 5 mi. N. of Highway Comment
  HSC19486  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-24 1502 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  SD22512  Eriogonum nudum var. oblongifolium Susan G. Stokes July 14 Siskiyou Near Yreka Comment
  HSC42998  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-6-15 3977 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC849497  Eriogonum nudum var. pubiflorum Lewis S. Rose 1937-7-26 37601 Siskiyou 3 mi e Mt. Shasta City 1371 Comment
  CAS-BOT-BC272478  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-10 9473 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  HSC17317  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-15 201 Siskiyou Lava Beds N.M., E side Caldwell Butte 1463 Comment
  JEPS81652  Eriogonum ovalifolium var. purpureum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2307 Siskiyou along road to Hoffman Mill 1.2 mi from U.S. 97 ((about 3 mi ne of Little Deer-The Whaleback Quad.)) 1569 Comment
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  LA207005  Eriogonum pyrolifolium W. B. C. after Stokes; 1939-7-17 sn Siskiyou upper Panther Creek Meadows 2438 Comment
  SEINET530696  Eriogonum pyrolifolium Paul Opler 2008-7-8 Siskiyou Panther Meadows. 2438 Comment
  SD53341  Eriogonum pyrolifolium var. pyrolifolium Darley F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta 2438 Comment
  UCD100863  Eriogonum pyrolifolium var. pyrolifolium Jack Major 1961-7-14 650 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  NY323543  Eriogonum siskiyouense E. L. Greene 1876-8-22 s.n. Siskiyou On Scott Mountain 2743.2 Comment
  RSA98052  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass road. Mt. Shasta. 1829 Comment
  RSA215654  Eriogonum sphaerocephalum Gilbert Muth 1969-8-6 1194 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC262729  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1914-4-20 633 Siskiyou Yreka Comment
  CHSC1331  Eriogonum sphaerocephalum var. halimioides J. Wakeman 1963-6-15 Siskiyou Yreka Hill. Comment
  CHSC118625  Eriogonum sphaerocephalum var. halimioides Richard R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  HSC43450  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1718 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2256 Comment
  HSC43454  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  SEINET11938258  Eriogonum strictum var. proliferum H. M. Hall, Babcock, E. B. 1903-1 4099 Siskiyou Mount Shatsa, Little Shasta Valley 853 Comment
  RSA0081457  Eriogonum ternatum L. R. Heckard, S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 Siskiyou Ca. 7 miles NNE of Seiad Valley, SW of Cook and Green Pass, ca. 0.5 mile SE of red Butte. 1730 Comment
  CAS-BOT-BC267945  Eriogonum umbellatum L. E. Detling 1950-6-10 6625 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  HSC62448  Eriogonum umbellatum Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley Comment
  CAS-BOT-BC267977  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS101146  Eriogonum umbellatum var. argus Dean W. Taylor 1996-6-20 15717 Siskiyou ridge dividing upper Noyes Valley Creek from Meadow Creek (ca. 20 air miles SW of Yreka) 1542 Comment
  POM211786  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC454348  Eriogonum umbellatum var. argus I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC85397  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  JEPS56188  Eriogonum umbellatum var. dumosum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Horseshoe Bend Comment
  CAS-BOT-BC267793  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  CAS-BOT-BC268153  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  UC1539986  Eriogonum umbellatum var. modocense Roseberry 1936-5-15 31 Siskiyou 1/4 mi n Blue Eyes Point; Lava Beds National Monument 1325 Comment
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Jun 18 2011
  HSC17349  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 188 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  HSC43066  Eriogonum vimineum J. P. Smith, J. O. Sawyer 1972-9-14 5802 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC85401  Eriogonum vimineum Dr. E. B. Copeland 1903-7-5 3538 Siskiyou Klamathon Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  POM208254  Eriophyllum lanatum var. achilleoides L. C. Wheeler 1934-6-2 2618 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  POM30094  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Dry hill, Yreka. Comment
  UC563839  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1935-6-10 9474 Siskiyou Thomas massacre area Lava Beds National Monument Comment
  RSA302656  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-7-25 2222 Siskiyou Hwy. 97, near Mt. Shasta 1524 Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  RSA184629  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1965-8-20 13039 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UC1559632  Eryngium mathiasiae Beth Corbin 1989-7-10 515 Siskiyou 1 mi. s.e. Adobe Flat (ca. 14 air miles n. of Fall River Mills); Lassen Nat'l Forest 1097 Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  CAS-BOT-BC502724  Erythronium grandiflorum G. J. Muth 1969-8-8 1286 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC77079  Erythronium grandiflorum subsp. grandiflorum K. T. Stillman 1976-6-16 4 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA0036119  Erythronium grandiflorum var. pallidum Marion Ownbey, Ruth P. Ownbey 1938-7-19 1753 Siskiyou Summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake lookout. Comment
  CAS-BOT-BC403675  Eschscholzia californica Doris K. Kildale 1929-5-26 9197 Siskiyou Salmon River at Hawkins Bar 609 Comment
  UC144488  Eschscholzia californica A. A. Heller 1905-6-9 8002 Siskiyou Yreka Comment
  HSC16751  Eschscholzia californica R. C. Wunner 1965-6-15 192 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  SEINET7042815  Eschscholzia californica A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  OBI76726  Eucephalus tomentellus G. S. Ringius 1986-8-16 8492 Siskiyou SW of Etna. Etna summit on Forest Hwy 93 1646 Comment
  RSA530007  Eucephalus tomentellus D. W. Taylor, Glenn L. Clifton 1987-8-5 9224 Siskiyou Forest Road 36N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  UC635626  Euonymus occidentalis var. occidentalis Dorothy Tebbe 1929-7-14 35 Siskiyou Salmon Mts. Comment
  HSC27670  Euphorbia crenulata Carl W. Mize 1972-6-8 23 Siskiyou Along main trail 335 Comment
  HSC68016  Euphorbia esula J. P. Smith, Steve Selva 1970-7-17 4446 Siskiyou 915 Comment
  UC29852  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Nov 16 2006
  CAS-BOT-BC310633  Eurybia radulina Alice Eastwood 1912-7-21 1281 Siskiyou Sisson Comment
  UC618851  Eurybia radulina W. Bridge Cooke 1938-8-19 11511 Siskiyou Howard Mount Shasta 1219 Comment
  HSC42973  Festuca californica J. O. Sawyer, K. T. Stillman 1976-5-29 2742 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC283182  Festuca californica subsp. californica J. H. Thomas 1954-5-13 4161 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  UC796503  Festuca idahoensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11797 Siskiyou s of Callahan (Scott Mountain Road) Comment
  SEINET10559315  Festuca occidentalis A. Arthur Heller 1915-7-18 Heller 249 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. 1189 Comment
  CHSC61574  Festuca pratensis L. P. Janeway 1983-8-26 602 Siskiyou Siskiyou Mountains; at Poker Flat, front edge of upper part of the meadow. 1524 Comment
  HSC30645  Festuca pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow above English Lake. 1677 Comment
  UC1026159  Festuca pratensis Louis C. Wheeler 1935-6-2 3545 Siskiyou Shasta River Siskiyou Mts. Comment
  CAS-BOT-BC279074  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  UC1265440  Festuca rubra F. W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin, w Siskiyou County Salmon Mountains 2011 Comment
  UCD66366  Festuca rubra Collector Unknown 1889-6-1 Siskiyou Edgewood. Comment
  CDA25860  Fragaria George Dobbins 1955-3-24 Siskiyou Wheeler property, 1 miles south of McCloud, Squaw Valley Creek. 0 Comment
  RSA211179  Fragaria californica William J. Ferlatte 1966-6-22 110 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  HSC73338  Fragaria vesca Gail Newton 1980-6-20 465 Siskiyou Near Bald Mtn. 1097 Comment
  UC796662  Fragaria vesca Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11741 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  JEPS44878  Fragaria virginiana W. L. Jepson Jul 1894 13876 Siskiyou Sisson Comment
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  SEINET3150634  Frasera nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka Comment
  HSC35066  Fritillaria atropurpurea J. P. Smith 1974-5-25 7647 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC45206  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-20 2972 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC60669  Fritillaria glauca Ruby Van Deventer Siskiyou Bear valley Comment
  UC1733719  Fritillaria pudica Frank Gould, Kay H. Beach 1940-5-15 1244 Siskiyou Bull Meadows Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  CAS-BOT-BC504471  Fritillaria recurva Lincoln Constance; Reed C. Rollins 1942-5-14 2925 Siskiyou Road to Walker Post Office, 4 miles west of Yreka 1219 Comment
  HSC19792  Galium aparine R. C. Wunner 1965-6-15 189 Siskiyou California Lava Beds National Monument; SE side of Caldwell near cinder pit 1433 Comment
  JEPS6704  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  UC1094388  Galium bolanderi Rimo C. Bacigalupi with Galen Smith 1957-6-26 5962 Siskiyou w town of Mount Shasta (along road to Gumboot Lake, ca 4 mi sw of junction with the North Fork); South Fork of the Sacramento River 1432 Comment
  UC722297  Galium bolanderi C. L. Hitchcock and J. S. Martin 1939-7-7 5298 Siskiyou ca 15 mi n Happy Camp (on Happy Camp-Takilma Hwy) 914 Comment
  UCD121615  Galium bolanderi J. P. Smith; Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River. 1127 Comment
  RSA165562  Galium serpenticum Clare B. Hardham 1961-7-3 8115 Siskiyou Scott R, SW of Callahan Comment
  JEPS27650  Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan) 1828 Comment
  HSC22471  Galium triflorum J. O. Sawyer 1968-6-18 193 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC139340  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson Comment
  RSA44064  Garrya fremontii W. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road. Comment
  SD219046  Garrya fremontii R. F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC1951262  Garrya fremontii Robert F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC45183  Gaultheria ovatifolia J. O. Sawyer, E. Cope 1977-6-18 2936 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  UC1409445  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou High Lake Basins in vicinity of English Peak (at w end of Charmaine Lake, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Charmaine 1920 Comment
  JEPS27556  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou near Log Lake and Shackelford Creek ((south of Red Mountain)) 1524 Comment
  HSC78203  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-7-3 367 Siskiyou Ridgetop NW of Poker Flat (the Siskiyou Crest) 1524 Comment
  HSC92089  Gayophytum diffusum subsp. parviflorum Jennifer Whipple 1976-9-4 1788 Siskiyou Near Durney Lake 2073 Comment
  RSA237853  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Trailside above Willow Spring, English Lake Trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC68980  Gayophytum heterozygum Maralyn A. Renner 1980-7-24 2062 Siskiyou Lily Pad Lake 1768 Comment
  UC618776  Gayophytum heterozygum W. Bridge Cooke 1938-7-29 11385 Siskiyou Howard Mount Shasta (along roadside) Comment
  RSA13839  Gayophytum heterozygum Louis C. Wheeler 1934-7-5 2890 Siskiyou Hungry Creek. Siskiyou Mtns. Mt. Diablo Meridian. 1372 Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC29484  Gayophytum humile Frederick W. Oettinger 1969-8-14 1379 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  JEPS47720  Gayophytum ramosissimum W. B. and V. G. Cooke 1966-7-16 37219 Siskiyou above Bolam Station (along old road); Mt. Shasta 1524 Comment
  UC456198  Gentiana calycosa I. J. Condit 1909-8-25 Siskiyou Sisson North Fork of Sacramento River 1371 Comment
  HSC66248  Gentiana newberryi Maralyn A. Renner 1980-8-19 2483 Siskiyou S side of Caribou Lake 2104 Comment
  JEPS51257  Gentiana newberryi Wayne Roderick 1967-9-3 Siskiyou in region just s South China Mountain (Cabin Meadow near Cabin Meadow Lakes); Cabin Meadow 2133 Comment
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  UC185731  Gentianella amarella subsp. acuta Copeland 1903-9-6 3849 Siskiyou Mt. Eddy Comment
  UC1024068  Gentianopsis simplex Dorothy Parker 1953-9-18 609 Siskiyou meadow above Cabin Meadow Creek near Cory Peak; Siskiyou Mts. 1920 Comment
  POM91453  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  JEPS98787  Gilia Sue Pappalardo 1993-7-19 504 A 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
  HSC68523  Gilia capitata Maralyn A. Renner 1980-6-23 988 Siskiyou W Fork Seiad Creek 878 Comment
  UC163987  Gilia capitata subsp. capitata Geo. D. Butler 1910-5-8 1311 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC282718  Glyceria elata Wm. Bridge Cooke 1938-6-24 11083 Siskiyou MacBride Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC282723  Glyceria elata John Thomas Howell 1937-7-22 13272 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  HSC30456  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1283 Siskiyou Salmon Mtns., Upper edge of Sundew Bog, English Lake Basin. 1829 Comment
  RSA238996  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1234 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC302670  Gnaphalium palustre Doris K. Kildale 1928-7-25 5896 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  JEPS33998  Gnaphalium palustre Geo. D. Butler 1909-6-5 795 Siskiyou along creek near Yreka Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  RSA237526  Gnaphalium palustre Frederick W. Oettinger 1969-8-14 1368 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  HSC68458  Goodyera oblongifolia Maralyn A. Renner 1980-7-4 1437 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  CAS-BOT-BC314629  Grindelia hirsutula L. E. Smith 1913-8-13 514 Siskiyou Montague Comment
  UC134621  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  SJSU3570  Grindelia nana G. R. Ostrander 1965-7-14 78 Siskiyou by state Rte 89, 10 mi E of McCloud 1219 Comment
  HSC624  Hackelia bella William J. Ferlatte 1966-7-7 211 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC3666  Hackelia cusickii R. C. Wunner 1965-8-27 484 Siskiyou Lava Beds National Monument; Devil's Homestead where road runs through near Juniper on H.Q. side of flow Comment
  JEPS80498  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  POM254007  Hackelia setosa C. L. Hitchcock, J. S. Martin 1939-7-6 5220 Siskiyou On Takilma-Happy camp road. 1677 Comment
  HSC82357  Hastingsia alba Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4520 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC91990  Hastingsia alba Jennifer Whipple 1976-7-13 1456 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  JEPS25855  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  UC1134651  Hastingsia alba H. S. Yates 1936-6-21 5822 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  JEPS11905  Hastingsia alba Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4799 Siskiyou 0.1 mi n of summit of divide w Scott Mountain (along road from Callahan to Carrville and Trinity Center, just n of Trinity-Siskiyou County line) 1615 Comment
  RSA299411  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson. 1098 Comment
  HSC19550  Hastingsia serpentinicola J. O. Sawyer 1969-6-10 797 Siskiyou S face near Sugar Lake 1829 Comment
  HSC34005  Hastingsia serpentinicola J. P. Smith 1974-5-25 7504 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC302449  Hazardia whitneyi var. discoidea Gilbert J. Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge Comment
  RSA237443  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou Crapo Peak Ridge where trail crosses it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC306738  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM359786  Helenium bigelovii B. C. Templeton 1957-6-23 s.n. Siskiyou S slope of Scott Mt., between Trinity County line and Bear Creek. Comment
  RSA275411  Helianthella californica var. californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC314838  Helianthella californica var. shastensis A. A. Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC305570  Helianthus bolanderi Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Rogers Creek, Somes Bar Comment
  HSC3682  Heliotropium curassavicum C. B. Wolf 1927-8-26 1057 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  JEPS29203  Hemizonella minima Lauramay T. Dempster 1961-7-1 1825 Siskiyou along ridge from Condry Peak to White Mountain Comment
  HSC22094  Heracleum maximum J. O. Sawyer 1969-8-1 1607 Siskiyou Behind Horseshoe Lake 1921 Comment
  SD40681  Hesperocyparis bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Siskiyou Modoc lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  JEPS78486  Heterocodon rariflorum W. L. Jepson 1940-7-3 20116 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  SEINET10460683  Heterocodon rariflorum Butler 1910-7-8 BUTLER 1662 Siskiyou SHACKELFORD CR. 1219 Comment
  JEPS82435  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim; Marble Mt. Wilderness Area, Marble Mt. 2072 Comment
  HSC76961  Heterotheca villosa var. minor K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn. Wilderness Area; Marble Valley Guard Station 1738 Comment
  UC1190182  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC20188  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou Bluff above Paradise Lake, Salmon Mtn. 1982 Comment
  UC705879  Heuchera micrantha var. diversifolia Marion Ownbey, Fred G. Meyer 1940-7-4 2175 Siskiyou nw of Hornbrook; Siskiyou Mts Comment
  SEINET185086  Heuchera rubescens C. L. Hitchcock, JS Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  CAS-BOT-BC424373  Heuchera rubescens A. A. Heller 1914-8-28 s.n. Siskiyou Mt. Eddy 2346 Comment
  CAS-BOT-BC319693  Hieracium albiflorum Lewis S. Rose 1945-6-18 45086 Siskiyou Horse Creek and Klamath River 502 Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC319689  Hieracium albiflorum E. C. Johnston 1931-8-1 s.n. Siskiyou Mouth of Klamath River Comment
  RSA215640  Hieracium gracile Gilbert Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  CAS-BOT-BC318543  Hieracium greenei W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  JEPS95042  Hieracium greenei Vernon Oswald and Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat 3.9 mi s of Medicine Lake Road Grasshopper Flat; Forest Route 15 1700 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  UCSB63903  Hieracium nudicaule Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56) 3.7 mi. east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave; T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  UCD133130  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta. 2407 Comment
  CAS-BOT-BC280779  Holcus lanatus W. B. Cooke; V. G. Cooke 1963-7-12 34340 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC150129  Holodiscus microphyllus var. glabrescens Dorothy Parker 1950-8-6 489 Siskiyou Salmon Mountain 1798 Comment
  CAS-BOT-BC150142  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-5 9337 a Siskiyou Lyons road, north boundary of Lava Beds National Monument Comment
  CAS-BOT-BC150143  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 3784 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC94844  Holodiscus microphyllus var. microphyllus R. C. Wenk 2005-7-15 210 Siskiyou Trinity Alps, above South Fork of the Salmon River, along Yellow Rose Mine trail 2133 Comment
  RSA699532  Hordeum brachyantherum Jenny Marr 1993-07 136 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  UC1025006  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1935-7-15 3469 Siskiyou 2 mi SE of Medicine Lake (Bullseye Lake) Comment
  RSA715639  Hordeum depressum L. Ahart, John Dittes 2005-6-9 12001 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  JEPS107284  Hordeum marinum subsp. gussoneanum Lowell Ahart, John Dittes 2005-6-9 12000 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS70551  Hordeum marinum subsp. gussoneanum Geo. D. Butler 1909-5-21 822 Siskiyou near Yreka Comment
  SEINET8224842  Horkelia daucifolia A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle. Comment
  HSC49900  Horkelia daucifolia var. daucifolia Maralyn O'Meara 1974-5-25 439 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  JEPS47181  Horkelia fusca subsp. parviflora W. L. Jepson 1940-6-28 20053 Siskiyou McCloud 990 Comment
  SEINET10483363  Horkelia fusca subsp. parviflora Mary Merello 1993-6-25 Merello 724 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  SEINET10483364  Horkelia fusca subsp. parviflora Mary Susan Taylor 1980-8-18 Taylor 3258 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  SEINET6758854  Horkelia fusca subsp. parviflora A. Sanger 1996-7-16 2425 Siskiyou Approximately 200 yards north of road 42N56 along road 42N12. 1695 Comment
  JEPS113065  Horkelia fusca var. brownii Roy Buck 1987-6-27 732 Siskiyou along USFS Road 41N36 ca 20 mi NE of Bartle Comment
  CAS-BOT-BC536228  Horkelia fusca var. parviflora Annie M. Alexander; Louise Kellogg 1911-7-16 251 Siskiyou South Fork Salmon River 1524 Comment
  RSA119333  Horkelia tridentata subsp. flavescens S. S. Tillett 1956-7-11 696 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC538244  Horkelia tridentata var. flavescens Doris K. Kildale 1929-5-31 9157 Siskiyou South Fork of Salmon River at Cecilville Comment
  SEINET5327382  Hosackia crassifolia var. crassifolia G. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  RSA238849  Hydrophyllum occidentale Frederick W. Oettinger 1969-8-19 1442 Siskiyou Due northwest of saddle in ridge between English Peak and David Mountain. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1936 Comment
  RSA114967  Hymenoxys lemmonii E. K. Balls, Lenz 1956-6-18 21723 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
  UC127576  Hymenoxys lemmonii H. T. Mooney 1902-6-1 Siskiyou Yreka Comment
  HSC99601  Hypericum anagalloides William J. Ferlatte 1966-6-23 142 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  RSA105441  Hypericum perforatum G. D. Barbe 1955-7-1 072 Siskiyou 1.3 miles east of Etna on the Westside Rd. to Callahan. 854 Comment
  SBBG21909  Hypericum perforatum D. Myrick 1964-7-25 973 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  CAS-BOT-BC401286  Hypericum perforatum W. B. Cooke; V. G. Cooke 1962-8-19 33549 Siskiyou Near Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC401469  Hypericum scouleri Carl B. Wolf 1927-8-26 1074 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC206829  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  HSC100273  Iliamna bakeri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13067 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1838 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  UC648275  Ipomopsis congesta John Thomas Howell 1939-8-4 Siskiyou Marble Rim Marble Mtns Comment
  UCD118372  Ipomopsis congesta J. M. Tucker 1963-8-18 3759 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  UC4296  Iris tenuissima Harley P. Chandler Jun 1901 1570 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  UCSB24687  Iris tenuissima Favero, R. 1968-4-28 Siskiyou 1/4 mile south west of Fort Goff on US96 Happy Camp; Klamath Mountains 701 Comment
  CHSC118593  Isatis tinctoria Richard R. Halse 2016-5-29 9722 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  CHSC96097  Isatis tinctoria L. P. Janeway 2006-7-3 8761 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  CDA37899  Isatis tinctoria J. L. Johnson 1980-7-1 s.n. Siskiyou Scott Valley. 0 Comment
  HSC91426  Isoetes bolanderi Jennifer Whipple 1976-9-4 1802 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCD78127  Isoetes bolanderi Robert E. Preston 2002-7-13 1918 Siskiyou Klamath National Forest, Rainbow Lake 1828 Comment
  HSC28734  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Marble Mtn. Wilderness Area, inlet area of Hancock Lake 1936 Comment
  UC134911  Iva axillaris subsp. robustior E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon Comment
  HSC90740  Ivesia gordonii Jennifer Whipple 1976-7-1 1228 Siskiyou Near Little Crater Lake 2195 Comment
  HSC60829  Juncus balticus subsp. ater Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC77291  Juncus bolanderi L. P. Janeway 1982-6-30 31 Siskiyou E facing slope 300m N of West Branch Guard Station 671 Comment
  HSC19327  Juncus drummondii J. O. Sawyer 1969-8-4 1808 Siskiyou Above Sugar Lake 2134 Comment
  HSC96560  Juncus drummondii Gordon Leppig, J. Kalt 1996-7-10 379 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  RSA577907  Juncus mertensianus L. C. Wheeler 1935-7-26 3711 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC92706  Juncus parryi Jennifer Whipple 1976-7-23 1517 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  RSA233708  Juniperus communis var. montana Robert F. Thorne, Fred Oettinger 1969-8-10 39011 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2439 Comment
  SBBG18884  Juniperus grandis F. E. Clements 1918-1 Siskiyou 6 mi from Yreka Comment
  CAS-BOT-BC81242  Juniperus occidentalis Elmer I. Applegate 1904-6-15 3082 Siskiyou Laird, Shasta Valley Comment
  HSC79095  Juniperus occidentalis Paul Wilson 1984-8-30 362 Siskiyou Juanita Lake Reservoir 1555 Comment
  UC1045241  Juniperus occidentalis unknown 1940-6-4 15007 Siskiyou near Bolam Road; Mount Shasta 1219 Comment
  UC139956  Juniperus occidentalis Copeland 1909-7-4 3545 Siskiyou Klamath<a?> Pacific Coast Comment
  UC1034640  Juniperus occidentalis Milo S. Baker 1955-6-26 13071 Siskiyou 2 mi s Gazelle (Hwy. 99) 914 Comment
  CAS-BOT-BC56357  Kalmia microphylla subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek 1676 Comment
  UCR208051  Kalmia polifolia L. C. Wheeler 1934-8-5 3037 Siskiyou Siskiyou Mountains, Mud Springs, Middlehell Creek 1677 Comment
  UCR39769  Kalmia polifolia subsp. microphylla J. O. Sawyer 1968-7-2 366 Siskiyou Upper drainage of Joe Creek 1738 Comment
  RSA305804  Keckiella corymbosa James R. Shevock 1972-7-26 2226 Siskiyou Along the Klamath River. 518 Comment
  CAS-BOT-BC246180  Keckiella lemmonii Wm. Bridge Cooke 1940-8-8 15424 Siskiyou Lower canyon of Squaw Valley Creek above the big spring, Mount Shasta 1524 Comment
  JEPS10868  Keckiella lemmonii W. L. Jepson 1894-8-9 21423 Siskiyou Shasta Springs; Sacramento River Canyon Comment
  HSC61498  Kelloggia galioides Ruby Van Deventer 1952-7-8 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC67714  Kelloggia galioides John Palmer 1980-7-24 614 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1125661  Kelloggia galioides L. Whitney 1934-6-28 9 Siskiyou 8 mi s Tennant (on the Stevens Pass road); Dorris Quad. 1706 Comment
  UC1409414  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou ne side of saddle between Tom's Lake Basin and Tobacco Lake Basin (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 1950 Comment
  SACT001423  Koeleria cristata Geo Butler 1910-7-3 Siskiyou Dry land. Comment
  HSC75131  Koeleria macrantha J. P. Smith, Thomas W. Nelson 1979-6-16 10130 Siskiyou Along State Route 3, 4.4 mi. from the Scott Mtn. summit. 1220 Comment
  CDA7522  Lactuca tatarica subsp. pulchella J. G. Schieber 1967-8-9 Siskiyou Art Cherry property, 6 miles east of Macdoel. 0 Comment
  HSC67990  Lagophylla ramosissima J. P. Smith 1974-5-25 7373 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC204987  Lathyrus jepsonii var. californicus W. R. Dudley 1905-8-3 s.n. Siskiyou By Sacramento River 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
  SEINET7042823  Lathyrus lanszwertii var. aridus A. G. Vestal 1955-5-16 s.n. Siskiyou Open yellow pine area on a secondary road east of Route 99. Ca. 2,5 miles west of Weed. Weed quadrangle UTM Zone10, 547634mE, 4587138mN. Comment
  UCD106398  Lathyrus nevadensis var. nevadensis Freed W. Hoffman 1948-7-9 2567 Siskiyou 6.5 miles north of West Branch Public Camp, Waldo-Happy Camp Road. Comment
  CAS-BOT-BC534901  Lemna turionifera Douglas Barbe 1955-6-29 050 Siskiyou 4.1 miles southeast of Etna on the East-side Rd. 914 Comment
  CAS-BOT-BC89831  Lepidium montanum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CDA3822  Lepidium perfoliatum T. C. Fuller 1958-6-19 1825 Siskiyou Railroad yard, Montague. 0 Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  CAS-BOT-BC341892  Lessingia nemaclada Lowell Ahart 1983-9-13 4412 Siskiyou Near the highway 96, near the Klamath River, about 5 miles west of Interstate Highway 5 1000 Comment
  CAS-BOT-BC341903  Lessingia nemaclada Carl B. Wolf 1927-8-26 1058 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  SD53408  Lessingia nemaclada Darley F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96 519 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  HSC46841  Leucanthemum vulgare William J. Ferlatte 1974-7-14 1532 Siskiyou Big Flat near South Fork of Salmon River, W of Campground. 1509 Comment
  HSC69720  Leucothoe davisiae Maralyn A. Renner 1980-7-16 1794 Siskiyou Hancock Lake inlet 1951 Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  CAS-BOT-BC58258  Leucothoe davisiae W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak. Salmon Mts. 2133 Comment
  HSC46724  Lewisia cotyledon J. T. Howell 1937-7-25 13474 Siskiyou Caribou Basin, Salmon-Trinity Alps 1982 Comment
  RSA464464  Lewisia cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Marble Valley Summit; rocky ridge. Comment
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  HSC26223  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-27 5349 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC77042  Lewisia nevadensis K. T. Stillman 1976-6-25 25 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC444192  Lewisia nevadensis Gilbert Muth 1966-7-14 383 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  HSC29445  Lewisia nevadensis Frederick W. Oettinger 1969-7-10 949 Siskiyou Marble Mtn. Wilderness Area, NW of English Lake 1829 Comment
  HSC75110  Lewisia rediviva J. P. Smith, Thomas W. Nelson 1979-6-15 10120 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC4449  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake Basin 1677 Comment
  RSA13855  Leymus cinereus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  JEPS68581  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou along creek near Yreka Comment
  SEINET10531266  Libocedrus decurrens E. E. Stanford 1930-6-15 Stanford 1582 Siskiyou 1 mile north of Dunsmuir; roadsides. Comment
  HSC69244  Ligusticum californicum Maralyn A. Renner 1980-8-6 2340 Siskiyou Cracker Meadow 1555 Comment
  JEPS61988  Lilium columbianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC509362  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  RSA78677  Lilium pardalinum Philip A. Munz 1952-7-2 17870 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains 1220 Comment
  SEINET8263373  Lilium pardalinum Frank Callahan 1990-7-14 Siskiyou south slope of Mt. Shasta, Wagon Camp Meadows below lower McGinnis springs. 1762 Comment
  HSC68341  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-7-4 1427 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  CAS-BOT-BC133025  Lilium washingtonianum subsp. purpurascens G. P. Rixford s.n. Siskiyou Hilt Comment
  RSA74742  Lilium washingtonianum var. washingtonianum Albert M. Vollmer, L. Beane 1951-07 186 Siskiyou Mt. Shasta Comment
  SEINET7073522  Linanthus A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  UC1409304  Linanthus harknessii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1294 Siskiyou near English Lake (Sundew bog, vicinity of English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC537991  Linanthus harknessii Louis C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek Siskiyou Mts., Sterling Mt. 1676 Comment
  UC609327  Linanthus nuttallii subsp. nuttallii Eleanor Burks Hart 1938-8-20 943 Siskiyou below Red Cap 2316 Comment
  RSA0087559  Linnaea borealis subsp. longiflora Douglas Barbe 1955-7-5 101 Siskiyou Klamath Mountains, about 12 miles south of Etna on French Creek. 1097 Comment
  JEPS12683  Linnaea borealis var. longiflora Ruby Van Deventer 1938-7-31 194 Siskiyou w side Poker Flat Woods; w side Poker Flat Woods 1219 Comment
  UC22857  Linnaea borealis var. longiflora C. B. Bradley 1879-1 Siskiyou near Mt. Shasta; near Mt. Shasta Comment
  RSA240069  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou At the Cedars, along the main North Fork Trail between Yellow Dog Creek and Abbotts Lower Cabin. The Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 960 Comment
  CAS-BOT-BC36008  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1912-8-28 1949 Siskiyou Cantara 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
  CAS-BOT-BC36529  Lithocarpus densiflorus var. echinoides A. A. Heller 1915-8-26 12248 Siskiyou Wagon creek at the foot of Mt. eddy 1127 Comment
  CHSC619  Lithocarpus densiflorus var. echinoides V. Holt 1936-7-3 Siskiyou Shasta City. 1097 Comment
  POM106317  Lithocarpus densiflorus var. echinoides Edward Palmer 1892-7-13 2561 Siskiyou Mt. Shasta and vicinity. Comment
  POM193472  Lithocarpus densiflorus var. echinoides J. B. Feudge 1928-8-11 1909 Siskiyou On west slope of Mt. Shasta. 1128 Comment
  POM267232  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud. Comment
  RSA3388  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou Above junction of McCloud road with the Pacific Highway. 1189 Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 Comment
  JEPS27162  Lithophragma campanulatum Lauramay T. Dempster 1961-7-1 1827 Siskiyou along ridge from Condry Peak to White Mountain; ridge from Condry Peak to White Mountain Comment
  HSC39743  Lithophragma parviflorum J. O. Sawyer 1970-4-4 2092 Siskiyou Along Sugar Creek 823 Comment
  CAS-BOT-BC325940  Lithospermum californicum D. E. Breedlove 1962-6-10 3303 Siskiyou Along Indian Creek Road, 15.6 miles NW of Happy Camp. 975 Comment
  UC455972  Lithospermum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  SEINET10828649  Lolium perenne A. Arthur Heller 1915-7-18 Heller 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1189 Comment
  UCR37582  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat 1529 Comment
  UC1001183  Lomatium californicum Dorothy Parker 1953-5-12 528 Siskiyou w. side Scott Valley; Siskiyou Mts., Scott Valley 883 Comment
  SEINET3143867  Lomatium dissectum G. D. Butler 1910-5-7 1303 Siskiyou In thickets on dry hill near Luka Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  POM78347  Lomatium dissectum var. multifidum Geo. D. Butler 1910-5-7 1303 Siskiyou In thickets, dry hills near Yreka. Comment
  JEPS95665  Lomatium engelmannii Vernon H. Oswald and L. Ahart 1999-7-5 9819 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  UC1731419  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  HSC76724  Lomatium macrocarpum K. T. Stillman 1976-8-7 382 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC77246  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  UC923160  Lomatium macrocarpum Freed W. Hoffman 1950-7-13 3287 Siskiyou Baldy Mountain Lookout North Coast Ranges, western Siskiyou Co. Comment
  HSC46210  Lomatium nevadense Jennifer Whipple 1976-5-2 901 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC39316  Lomatium nudicaule J. P. Smith 1974-5-26 7379 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1228815  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou roadside flat 5.2 mi. s. Yreka 792 Comment
  UC673275  Lomatium peckianum Lincoln Constance and Reed C. Rollins 1942-5-14 2918 Siskiyou 1 mi. e. Yreka; Klamath-Siskiyou Region 762 Comment
  HSC4902  Lonicera conjugialis J. O. Sawyer 1968-7-22 527 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC69201  Lonicera conjugialis Maralyn A. Renner 1980-7-24 2080 Siskiyou Lily Pad Lake 1768 Comment
  POM46730  Lonicera interrupta E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon. Comment
  UC1045247  Lotus crassifolius var. crassifolius unknown 1940-7-26 15360 Siskiyou Black Butte Spring Mount Shasta 1219 Comment
  UC454695  Lotus crassifolius var. crassifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat, along S.P.R.R. Comment
  RSA715637  Lotus denticulatus L. Ahart 2005-6-9 12008 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC1037355  Lotus nevadensis var. nevadensis Douglas Barbe 1955-6-28 11 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
  UC1023843  Lotus purshianus var. purshianus Douglas Barbe 1955-6-28 25 Siskiyou 1.8 mi n Callahan; Klamath Mountains 1005 Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  CAS-BOT-BC140207  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC140210  Luetkea pectinata R. F. Thorne; Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  UCD113638  Luetkea pectinata J. M. Tucker 1963-7-8 3732 Siskiyou Trail to Marble Valley, ca. 2 miles south of Paradise Lake, Marble Mountain Wilderness Area. 1981 Comment
  SEINET11912604  Luetkea pectinata Unknown 1986-1 60359 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt. above Hello Cyn 1798 Comment
  RSA0084100  Luina hypoleuca R. W. Spjut, Paul Burchstead 2008-6-12 16345 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  OBI55451  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  UCR63952  Lupinus albicaulis Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC608  Lupinus albicaulis William J. Ferlatte 1967-7-26 760 Siskiyou NW side of Caribou Mtn., Browns Meadow. 1829 Comment
  UC157024  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  UC865447  Lupinus albicaulis var. shastensis John Thomas Howell 1939-8-7 15115 Siskiyou Sky High Valley; Marble Mts., Sky High Valley 1828 Comment
  POM211512  Lupinus albicaulis var. shastensis Louis C. Wheeler 1934-6-11 2689 Siskiyou North Hungry Creek 1220 Comment
  UCD106686  Lupinus argenteus Freed W. Hoffman 1948-7-13 2632 Siskiyou Butte Creek road, 4.7 miles north of Tennant. Comment
  HSC30776  Lupinus bicolor J. P. Smith, J. O. Sawyer 1972-5-28 5363 Siskiyou 1 mi. S of Etna on Hwy. 3 91 Comment
  UCD107375  Lupinus breweri A. H. Murphy 1953-7-30 KNF 17 Siskiyou Coffee Creek, N. Fork. 2133 Comment
  SEINET10936571  Lupinus breweri var. breweri Parker 1965-8-15 Parker 917 Siskiyou Dry rocky and sandy granite soil near syphon lake, salmon mt, siskiyou co., Calif. 2164 Comment
  CAS-BOT-BC215174  Lupinus croceus H. P. Bracelin 1931-6-21 466 Siskiyou N side of Mount Eddy, Dobkin's Lake, Near Mount Shasta City 1828 Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  RSA413557  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1607 Siskiyou Near Hornbrook. Comment
  UC683332  Lupinus klamathensis Mrs. H. P. Bracelin 1931-6-21 470 Siskiyou n side Mt. Eddy (below Dobkin's Lake); n side of Mt. Eddy below Dobkin's Lake 1584 Comment
  UC1409330  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Upper meadow near Tobacco Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  SJSU6475  Lupinus lepidus var. sellulus R. W. Trivelpiece 1972-6-9 102 Siskiyou c. 4 mi W E of Grass L 1524 Comment
  UC865268  Lupinus lepidus var. sellulus C. L. Hitchcock and J. S. Martin 1939-7-9 5323 Siskiyou 1/2 mi se King's Castle (Marble Mts.); , se of King's Castle 1828 Comment
  HSC14841  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou Along the Etna-Callahan Rd., Scott Valley 869 Comment
  SEINET10488736  Lupinus leucophyllus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3950 Siskiyou Siskiyou mts, klamath nat'l forest, along the dry lake lookout rd (forest Service rd 40s01), 0.3 mi. W of the jct with 47n40, nw of round mt., On a Serpentine ridge, assoc. With pine-oak woodlands, sec 27, t47n, r9w. Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  UC454622  Lupinus obtusilobus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  RSA109355  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  CDA27573  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  SD61047  Lupinus sellulus Darley F. Howe 1964-8-4 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 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
  HSC71437  Lupinus sellulus var. artulus J. P. Smith, Steve Selva 1970-8-8 4561 Siskiyou Comment
  SEINET10490222  Lupinus sellulus var. artulus James P. Smith, John O. Sawyer 1972-6-30 Smith, Jr. 5639 Siskiyou Jct. Of french creek and sugar creek rd, 1/2 mi w of parrot mill rd. Mixed Conifer forest. 1250 Comment
  RSA105452  Lupinus sellulus var. lobbii Milo S. Baker 1955-6-28 13091 Siskiyou Highway 99, road band S of Weed. 1067 Comment
  SEINET10490890  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4415 Siskiyou Edgewood. Comment
  CAS-BOT-BC7539  Lupinus ursinus Alice Eastwood 1912-8-30 2018 Siskiyou Mount Eddy Comment
  JEPS67168  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  HSC709  Luzula comosa William J. Ferlatte 1967-8-19 1038 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  RSA14322  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley. Comment
  HSC76690  Luzula parviflora K. T. Stillman 1976-7-30 312 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  HSC43052  Lythrum hyssopifolia Ken Stillman 1976-8-24 443 Siskiyou Along Klamath River at Williams Point. 366 Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  SEINET11799442  Machaeranthera canescens var. shastensis J. P. Tracy 1949-1 18564 Siskiyou in Scott Valley, 1 mi E of Etna 884 Comment
  POM362225  Madia bolanderi L. C. Wheeler 1934-8-10 3103 Siskiyou Siskiyou Mountains: Dead Cow Creek 1829 Comment
  CAS-BOT-BC342672  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  SD101077  Madia elegans Darley F. Howe 1977-1 Siskiyou 7.7 miles south of Etna 1000 Comment
  SEINET11601317 Image available Madia elegans G. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  RSA240067  Madia elegans subsp. elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou Fort Jones [east-northeast of the Marble Mountains Wilderness Area] Comment
  CDA15526  Madia madioides G. F. Hrusa 1998-7-5 14694 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  RSA78676  Mahonia nervosa P. A. Munz 1952-7-1 17868 Siskiyou Baldy Mt. road n.w. of Happy Valley, Siskiyou Mts. 1220 Comment
  SEINET6909344  Mahonia piperiana M. K. Solecki, J. B. Taft 1986-9-9 2141 Siskiyou Along Scott River. Comment
  HSC18914  Maianthemum stellatum J. O. Sawyer 1968-7-10 464 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC62003  Maianthemum stellatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  RSA377705  Maianthemum stellatum M. B. Dunkle 1944-6-27 9036 Siskiyou Siskiyou National Forest Comment
  SEINET516141  Malva neglecta Vernon H. Oswald 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1244 Comment
  UCD86259  Melica aristata P. B. Kennedy 1923-7-29 s.n. Siskiyou S. West of Sisson. Comment
  SEINET10599300  Melica aristata A. Arthur Heller 1921-7-5 Heller 13563 Siskiyou Sandy soil about shrubs near the State Teachers College grounds, near the town of Mt. Shasta. Yellow pine belt. Comment
  CHSC36113  Melica californica K. Bridwell 1978-4-14 83 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  SEINET10599420  Melica harfordii A. Arthur Heller 1905-6-1 Heller 7935 Siskiyou Between Upper Soda Spring & Shasta Retreat. Comment
  HSC22263  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC39870  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou N slope of Grizzly Peak. 2378 Comment
  UCD88285  Melica stricta AHM 1957-7-24 57 T Siskiyou On the border of Trinity County. Head of Bear Creek trail to Toad Lake Shasta National Forest, S. of Mt. Eddy. 2346 Comment
  UCD88594  Melica subulata AHM 1955-7-29 55 R Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  HSC15001  Melilotus albus R. C. Wunner 1965-7-16 395 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  RSA59505  Mentzelia veatchiana E. K. Balls 1950-5-16 14709 Siskiyou Caldwell Butte, east slope, near base. Lava Beds National Moneument Comment
  HSC22301  Mertensia oblongifolia var. amoena J. O. Sawyer 1969-6-12 883 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC428553  Micranthes aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi. w. of Carmen Lake 1706 Comment
  CAS-BOT-BC428732  Micranthes californica F. D. Douthitt 1926-3-16 4 Siskiyou Klamath National Forest. Klamath River near Horse Creek 487 Comment
  CAS-BOT-BC429000  Micranthes fragosa Wm. Bridge Cooke 1941-8-28 16255 Siskiyou In a small spring tributary of Squaw Valley Creek near the rush swale Mt. Shasta Comment
  HSC67936  Micropus californicus var. californicus J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC322667  Microseris laciniata K. L. Chambers 1998-6-16 6132 Siskiyou Copco Road west of Iron Gate Reservoir 1.2 miles north of Klamath River bridge at Iron Gate Dam Comment
  UC163825  Microseris laciniata subsp. laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  HSC22288  Microseris nutans J. O. Sawyer 1969-7-3 1051 Siskiyou Near Lipstick Lake 1951 Comment
  RSA211479  Microseris nutans William J. Ferlatte 1967-7-9 694 Siskiyou Trinity Alps, Kidd Creek Trail. 1677 Comment
  CHSC71504  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1998-7-21 9360 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
  HSC90994  Mimulus breweri Jennifer Whipple 1976-7-9 1386 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC484059  Mimulus cardinalis Carl B. Wolf 1930-10-23 1757 Siskiyou 2 mi below Browns Resort; Klamath River 304 Comment
  CDA41450  Mimulus cardinalis T. C. Fuller 1962-8-3 9503 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC72392  Mimulus cardinalis J. P. Smith, Steve Selva 1970-7-16 4372 Siskiyou Along FS Rd. 19N01 Comment
  UCD122627  Mimulus floribundus Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC427  Mimulus guttatus William J. Ferlatte 1966-6-22 97 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC164367  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  RSA60485  Mimulus guttatus John H. Thomas 1949-6-16 939 Siskiyou 10 miles north of Gazelle. Comment
  SEINET7073517  Mimulus latifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
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Dec 30 2018
  UC164369  Mimulus layneae Geo. D. Butler 1910-9-11 1865 Siskiyou Weed Comment
  HSC36559  Mimulus moschatus J. O. Sawyer 1969-7-18 1379 Siskiyou Ridge above S Russian Creek 1921 Comment
  HSC64881  Mimulus moschatus D. L. Goforth 1979-7-19 270 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, .5 mi. S of upper lake 2226 Comment
  JEPS87001  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou ca. 1.5 air mi se Deadhorse Summit (1.3 mi nw of Shasta Co. line along Hwy 89) 1300 Comment
  JEPS86953  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  RSA211425  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  SDSU5486  Mimulus primuloides D. F. Howe 1964-8-4 3930 Siskiyou Medicine Lake, probably Shasta or Modoc National Forest. 2012 Comment
  JEPS16327  Mimulus primuloides subsp. linearifolius Peter H. Raven 1956-9-5 10453 Siskiyou North Fork of the Sacramento River 2011 Comment
  HSC91056  Mimulus primuloides var. linearifolius Jennifer Whipple 1977-7-20 2008 Siskiyou N slopes of Mt. Eddy 2287 Comment
  HSC91003  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-9-3 1781 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  RSA211512  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin, Sawtooth Ridge. 2226 Comment
  CAS-BOT-BC388880  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou About midway between Igerna and Weed Comment
  RSA11895  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  RSA120683  Minuartia nuttallii subsp. gregaria S. S. Tillett 1956-7-9 633 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  UC375336  Minuartia pusilla Geo. D. Butler 1909-4-25 619 Siskiyou Quartz Valley Comment
  CHSC86450  Mirabilis greenei Jenny Marr 1993-7-1 1 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC673160  Mirabilis greenei Lincoln Constance and Reed C. Rollins 1942-5-14 2929 Siskiyou 4 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  RSA276572  Mirabilis greenei George Pilz 1973-5-25 995 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  UC1334020  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Paradise Lake Siskiyou Mountains, Samon Mt. (along edges) 1981 Comment
  HSC78186  Mitella trifida L. P. Janeway 1983-8-6 501 Siskiyou Poker Flat 1524 Comment
  UC637056  Mitella trifida Edward Lee 1934-8-13 1082 Siskiyou Happy Camp-Waldo (Oregon) Road Klamath Nat. For., West Branch of Indian Creek watershed 1463 Comment
  HSC61860  Moehringia macrophylla Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CDA30920  Mollugo verticillata M. Beyers, G. F. Hrusa 2010-8-18 696 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  RSA12493  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC1540136  Monardella odoratissima subsp. glauca Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9264 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument 1499 Comment
  UC2035803  Monardella odoratissima subsp. glauca W. Bridge Cooke 1938-9-8 11624 Siskiyou Lava flats above Panther Creek Meadow; Mount Shasta Comment
  UC456093  Monardella odoratissima subsp. glauca I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  UCR47903  Monardella odoratissima subsp. glauca Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC220360  Monardella odoratissima subsp. pallida Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC222165  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1950 Comment
  CAS-BOT-BC222166  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-7-2 5378 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC67785  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-21 3831 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  JEPS63423  Monardella odoratissima subsp. pallida W. L. Jepson 1937-7-30 18538 Siskiyou Summit Siskiyou Mts., near Poker Flat. 1554 Comment
  CAS-BOT-BC222181  Monardella odoratissima subsp. pallida Elmer I. Applegate 1923-8-18 3874 Siskiyou Near summit of Redshale [Red Shale] Mountain, East of Medicine Lake 2438 Comment
  POM257708  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  SEINET10582084  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 349 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220266  Monardella sheltonii Dr. E. B. Copeland 1903-6-7 3497 Siskiyou Hornbrook Comment
  RSA0022818  Monardella villosa Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou Well below timberline on east side of Mt. Shasta. Comment
  RSA135346  Monotropa hypopitys Volney Rattan 1879-06 s.n. Siskiyou Klamath. Comment
  RSA8239  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain east of Medicine Lake. 2134 Comment
  CAS-BOT-BC444876  Montia fontana Geo. D. Butler 1909-3-26 679 Siskiyou Oro Fino Comment
  HSC34003  Montia fontana J. P. Smith 1974-5-25 7488 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC445212  Montia parvifolia Doris K. Kildale 1929-7-20 8600 Siskiyou South east spur Preston Peak 1950 Comment
  HSC138  Montia parvifolia William J. Ferlatte 1966-8-3 274 Siskiyou Josephine Lake basin 1677 Comment
  HSC62460  Muhlenbergia filiformis Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley 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
  CAS-BOT-BC275182  Muhlenbergia montana John Thomas Howell 1937-7-25 13442 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SEINET515841  Muhlenbergia richardsonis Vernon Oswald 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1756 Comment
  JEPS1429  Nama densa W. L. Jepson 1940-6-23 19991 Siskiyou e Mayten (e side Little Shasta Valley); , e of Mayten 883 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  CHSC30763  Nama lobbii M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3256 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, in Yellow Pine plantation, ca. 17 mi e of McCloud. Comment
  RSA79002  Nama lobbii E. K. Balls, P. C. Everett 1952-10-13 18190 Siskiyou 10.2 miles northeast of town of Mt. Shasta, on John Everitt Memorial Highway to Mt. Shasta. 1829 Comment
  UC618615  Nama lobbii W. Bridge Cooke 1938-6-17 11034 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  HSC58938  Narthecium californicum Marvin Butler 1971-7-28 219 Siskiyou Near El Capitan 1524 Comment
  HSC30433  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Marble Mtn. Wilderness Area. NE of English Lake 1936 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  HSC60827  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS25587  Navarretia divaricata Rimo Bacigalupi 1959-7-2 7219 Siskiyou near n base of Caribou Mtn. (Big Flat Campground, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River); Headwaters of South Fork of the Salmon River 1508 Comment
  HSC44288  Navarretia intertexta J. P. Smith, Steve Selva 1970-7-16 4379 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC163989  Navarretia intertexta Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  UCD48626  Navarretia pubescens Robert E. Preston 1995-6-18 879 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  UC195220  Nicotiana quadrivalvis Annie M. Alexander and Louise Kellogg 1911-6-13 132 Siskiyou 6 mi nw Callahan Comment
  RSA48579  Noccaea P. A. Munz 1949-5-18 13303 Siskiyou N of Trinity-Siskiyou co line, N of Trinity Center, road from Trinity Center to Callahan. 1585 Comment
  CAS-BOT-BC60593  Noccaea fendleri subsp. glauca R. C. Wenk 2005-7-19 338 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mount Eddy. 2407 Comment
  CAS-BOT-BC60576  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 1266 Siskiyou North slope Scott Mountain. 1524 Comment
  CAS-BOT-BC210244  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Marble Mountain Wilderness. Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake 1990 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC65275  Nothochelone nemorosa Rich White 1978-7-3 201 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  HSC69388  Nothochelone nemorosa Maralyn A. Renner 1980-8-31 2663 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC1238904  Nothochelone nemorosa Freed W. Hoffman 1951-7-15 4026 Siskiyou near Packers' Valley (North Coast Ranges, Marble Mountain); North Coast Ranges, Marble Mountain Comment
  UC164352  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou Marble Mountain, Whiskey Camp Whiskey Camp; Marble Mountain, Whiskey Camp Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  HSC35067  Olsynium douglasii var. douglasii J. P. Smith 1974-5-25 7648 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC1167562  Olsynium douglasii var. douglasii Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 233 Siskiyou on US Hwy 99 4.5 mi n Yreka city limits 914 Comment
  CAS-BOT-BC349936  Onopordum acanthium C. S. Giebner 1964-7-3 s.n. Siskiyou Dwinnell Rd., Big Springs, Shasta Valley Comment
  CAS-BOT-BC349957  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca. 15 mi. SW of Dorris Comment
  UCD134660  Onopordum tauricum T. C. Fuller; W. T. Parsons 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  SEINET13262927  Onychium densum Unknown 1968-8-23 610 Siskiyou PLANTS OF THE SALMON MOUNTAINS. THE HIGH LAKE BASINS IN THE VICINITY OF ENGLISH PEAK, MARBLE MOUNTAIN WILDERNESS AREA. due e. and 50 feet below Diamond Lake at base of sheer cliff. 2057 Comment
  CAS-BOT-BC355597  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 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
  HSC34269  Oreostemma alpigenum var. andersonii J. P. Smith, J. O. Sawyer 1973-8-14 7319 Siskiyou W of Cliff Lake 1982 Comment
  JEPS123404  Oreostemma alpigenum var. andersonii Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -123 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS10831  Orobanche fasciculata Willis L. Jepson July 24, 1994-Aug 10, 1894 Siskiyou Hillside near Sisson. Comment
  HSC22174  Orobanche uniflora J. O. Sawyer 1969-7-24 1498 Siskiyou SW of Sugar Lake 1890 Comment
  CAS-BOT-BC500330  Orobanche uniflora subsp. occidentalis L. E. Smith 1914-4-20 638 Siskiyou Yreka Comment
  CAS-BOT-BC458073  Orthilia secunda Edna Kelsey 1961-8-1 s.n. Siskiyou Cuddyhi Lake, Marble Mts. Comment
  HSC19215  Orthilia secunda J. O. Sawyer 1968-9-10 683 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC60914  Orthilia secunda Al Hobart Siskiyou Black Butte Comment
  JEPS4545  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1937-7-29 13653 Siskiyou Scott Mountain; between Trinity and Siskiyou Counties Comment
  JEPS9404  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1908-8-4 53 Siskiyou head of Shackleford Creek 1828 Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1736255  Orthocarpus cuspidatus subsp. copelandii Dean W. Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles W of Cook & Green Pass 1767 Comment
  UC609329  Orthocarpus cuspidatus subsp. copelandii Eleanor Burks Hart 1938-8-15 887 Siskiyou n side Upper Wright Lake 2225 Comment
  RSA237570  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou East of Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS84026  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  JEPS4515  Orthocarpus imbricatus Alice Eastwood 1912-7-15 1066 Siskiyou McCloud Comment
  JEPS57532  Orthocarpus imbricatus Marge R. Kempf 1965-7-14 Siskiyou 4 mi w Dead Horse Summit; w of Dead Horse Summit 1219 Comment
  UC1713697  Orthocarpus pachystachyus Edward Lee Greene 1876-1 Siskiyou Yreka Comment
  HSC69285  Osmorhiza berteroi Maralyn A. Renner 1980-7-24 1952 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS82453  Osmorhiza berteroi Gilbert Muth 1966-7-14 396 Siskiyou trail to Black Mountain; Marble Mt. Wilderness Area 1798 Comment
  RSA237405  Osmorhiza berteroi Frederick W. Oettinger 1968-8-18 566 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA459006  Osmorhiza berteroi M. B. Dunkle 1944-6-25 9008 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC22170  Osmorhiza occidentalis J. O. Sawyer 1969-7-18 1384 Siskiyou Near South Russian Creek 1890 Comment
  SD88460  Osmorhiza occidentalis Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp. 1705 Comment
  RSA261379  Osmorhiza purpurea J. M. Tucker, L. Mann 1963-7-5 3700 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  HSC36605  Oxalis trilliifolia Brent Whiteley 1975-6-29 108 Siskiyou 976 Comment
  CHSC1340  Oxyria digyna E. Willits 1943-8-11 Siskiyou Marble Mountains. 1828 Comment
  HSC41810  Oxyria digyna Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  UC1216702  Packera cana W. B. and V. G. Cooke 1960-8-8 Siskiyou w bank Mud Creek Canyon; fell fields Mt. Shasta Comment
  HSC10458  Panicum capillare C. B. Wolf 1927-8-26 992 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  RSA115690  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest Mt. Shasta City; along Castle Lake 1037 Comment
  CHSC84741  Parnassia palustris L. P. Janeway 2003-8-9 7961 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. Meadow. 1713 Comment
  UCR70823  Parnassia palustris var. californica L. C. Wheeler 1934-8-14 3127 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CAS-BOT-BC202867  Paxistima myrsinites W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  RSA120709  Pedicularis attollens S. S. Tillett 1956-7-11 686 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  SEINET10783891 Image available Pedicularis attollens Edwin B. Copel 1903-8-18 Copeland 3901 Siskiyou Mt. Eddy. Comment
  UC886594  Pedicularis bracteosa var. flavida John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake; Marble Mountains 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
  JEPS23802  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  UCR131622  Pedicularis racemosa L. C. Wheeler 1934-6-7 2659 Siskiyou Siskiyou Mountains, North Hungry Creek 1311 Comment
  RSA749256  Pedicularis racemosa var. racemosa K. M. Meyer, A. Townesmith 2007-7-31 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  CAS-BOT-BC67676  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  RSA237835  Pellaea brachyptera Frederick W. Oettinger 1968-8-6 538 Siskiyou South facing rather steep slope of Little Medicine Mountain due north of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  SEINET10529795  Pellaea brachyptera Mary Susan Taylor 1980-7-8 Taylor 3090 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  JEPS125  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  JEPS7208  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek 1676 Comment
  SDSU10914  Penstemon anguineus D. F. Howe 1965-8-8 4125 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  UC1012498  Penstemon anguineus Francis W. Pennell 1940-7-17 26175 Siskiyou w Etna (northeastern slope Salmon Mts.); , w of Etna 1981 Comment
  SD75840  Penstemon anguineus Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, near Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  HSC62464  Penstemon azureus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  POM256802  Penstemon cinereus D. D. Keck 1940-6-13 5174 Siskiyou 9 miles S of Macdoel, on Hwy 97 between Dorris and Weed 1463 Comment
  UCSB51240  Penstemon davidsonii Almanza, Ed 1976-7-13 Siskiyou The "Gate" pass; Mt. Shasta 2438 Comment
  CAS-BOT-BC265374  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  JEPS13635  Penstemon davidsonii var. davidsonii Peter Kamb 1949-8-25 1494 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 3169 Comment
  NY590189  Penstemon davidsonii var. davidsonii R. F. Thorne 1969-8-10 39005 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta 2377.4 Comment
  HSC40234  Penstemon deustus J. P. Smith 1976-5-4 8663 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  SEINET3160326  Penstemon deustus G. D. Butler 1910-5-25 1404 Siskiyou near Yreka Comment
  SBBG25896  Penstemon gracilentus D. Myrick 1966-8-12 1538 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  SEINET10880486  Penstemon gracilentus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 870 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC711897  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-11 10507 Siskiyou three mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest, nr Medicine Lake Comment
  NY600754  Penstemon gracilentus A. A. Heller 1939-7-31 15435 Siskiyou Panther Meadow, Mt. Shasta 2438.4 Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  RSA78950  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18177 Siskiyou 3.1 mi W of boundary of Lava Beds Nat'l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  UCD124183  Penstemon gracilentus Dean Wm. Taylor 1975-8-14 5357 Siskiyou Mount Shasta; Shasta Ski area and Green Butte. 2590 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
  HSC72440  Penstemon laetus subsp. sagittatus J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  NY1012498  Penstemon laetus subsp. sagittatus M. D. Strickler 1994-6-28 94-/ 30 -22 Siskiyou Shasta National Forest. 6.4 miles up the Everitt Memorial Highway from Mount Shasta, California Comment
  NY604555  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4510 Siskiyou Cascade Range, Mount Shasta; along east side of US 97, ca. 5.1 miles northeast of jct. I-5 Business Loop in Weed. 1158.2 Comment
  POM203121  Penstemon laetus var. sagittatus Alice Eastwood, John T. Howell 1934-4-20 1793 Siskiyou 4 miles N 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
  UC774517  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou on U.S. Highway #97 at junction with rd to Montague 12 mi ne Weed; sw end Little Shasta Valley, ne of Weed 914 Comment
  HSC21040  Penstemon newberryi R. Spellenberg 1965-6-20 1172 Siskiyou Edge of cinder cone, Black Butte Pass, 5 mi. S of Weed Comment
  HSC4838  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-22 538 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  POM43030  Penstemon newberryi subsp. newberryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek. Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  UCSB22123  Penstemon newberryi var. newberryi Breedlove, Dennis 1962-6-11 Siskiyou at base of Black Butte; along U.S. Highway 99; 4 miles south of Weed 1188 Comment
  CHSC1879  Penstemon parvulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  UC1408760  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou w side of Red Hill near Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, w side Red Hill nr Hancock Lake 2057 Comment
  HSC91108  Penstemon parvulus Jennifer Whipple 1976-6-23 1108 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  RSA238755  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1967-7-20 178 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  JEPS11637  Penstemon roezlii Geo. D. Butler 1908-6-28 431 Siskiyou L. Eastlicks Ranch , L. Eastlicks Ranch (Oro Fino) Comment
  RSA44887  Penstemon roezlii J. C. Roos 1948-9-2 3947 Siskiyou 6 miles SW of Yreka. 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
  CHSC88386  Penstemon rydbergii var. oreocharis Jenny Marr 1993-7-1 145 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM43271  Penstemon shastensis Geo. D. Butler 1910-6-19 1591 Siskiyou Goosenest foothills. 1524 Comment
  JEPS11386  Penstemon speciosus Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  SEINET10950522  Penstemon speciosus A. Arthur Heller 1916-6-23 Heller 12424 Siskiyou Open places in the yellow pine-belt in coarse sandy soil near Black Butte north of Sisson. 1128 Comment
  JEPS12330  Perideridia howellii W. L. Jepson 1914-8-13 6157 Siskiyou Sisson 1097 Comment
  UC1400370  Perideridia howellii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1309 Siskiyou meadow w English Lake (above the main campsite, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  UC535906  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 a Siskiyou s Lower Klamath Lake; Willow Creek Comment
  UCR52566  Perideridia oregana Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  CAS-BOT-BC418940  Persicaria lapathifolia Alice Eastwood 1912-7-22 1312 Siskiyou Sisson Comment
  UC1442843  Phacelia cookei W. B. and V. G. Cooke 1965-7-12 35182 Siskiyou Bolam Rd Mt. Shasta Comment
  UC1475688  Phacelia cookei Clifton and Ground 1978-6-14 1040 Siskiyou near Andesite (close to town of Weed); Whaleback quadrangle 1464 Comment
  JEPS55965  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  JEPS55973  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  POM65428  Phacelia corymbosa E. B. Copeland 1903-8-18 3831 Siskiyou Mt. Eddy. Comment
  JEPS33176  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Plowman's Valley (Noyes Valley), e. fork of Scott River, Schoolhouse Hill Schoolhouse Hill; e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  SFV3013  Phacelia greenei L. Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Summit of northwest spur of Scott Mountain. 1829 Comment
  RSA47790  Phacelia greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11718 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  JEPS95406  Phacelia hastata subsp. hastata Vernon H. Oswald and L. Ahart 1994-8-10 6449 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  JEPS2086  Phacelia heterophylla subsp. virgata Geo. D. Butler 1928-6-28 409 Siskiyou near Yreka; Butler's Ranch Comment
  UC164135  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-6-23 409 Siskiyou near Yreka (along creek) Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  SEINET3158194  Phacelia magellanica f. virgata G. D. Butler 1910-5-7 1300 Siskiyou Dry hills near Yreka Comment
  JEPS25833  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7447 Siskiyou about 12 mi by air nw Happy Camp; Siskiyou Mts. Poker Flat 1524 Comment
  CHSC93535  Phacelia ramosissima var. ramosissima Lowell Ahart; John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 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-BC77427  Philadelphus lewisii Carl B. Wolf 1927-8-27 1127 Siskiyou On the Klamath River, 6 mi. below Happy Camp Comment
  CAS-BOT-BC77435  Philadelphus lewisii Lewis S. Rose 1945-6-18 45078 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA0057587  Philadelphus lewisii G. D. Barbe 1955-8-4 358 Siskiyou About 0.5 mi west of Big Flat on the trail to Caribou Lake. Salmon Mtns. 1524 Comment
  RSA0057591  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek. Comment
  NY186333  Philadelphus platyphyllus H. E. Brown 1897-7-1 562 Siskiyou South side of Mount Shasta 1524.0 Comment
  HSC60790  Phleum pratense Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  RSA238346  Phleum pratense Frederick W. Oettinger 1968-9-5 728 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC19154  Phlox diffusa J. O. Sawyer 1969-6-13 954 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS69942  Phlox diffusa W. L. Jepson 1940-6-27 20046 Siskiyou above head of Brewer Creek (e slope of Mt. Shasta); Mt. Shasta 2133 Comment
  SJSU11450  Phlox diffusa M. R. Kempf 1965-7-13 312 Siskiyou above Horse Camp W slope Mt Shasta 2438 Comment
  JEPS124890 Image available Phlox diffusa P. L. Billings 1965-7-25 96 Siskiyou About 100' above end of road on Mt. Shasta. Comment
  POM65609  Phlox diffusa subsp. diffusa E. B. Copeland 1903-7-17 3511 Siskiyou Mt. Shasta 2317 Comment
  CHSC9493  Phlox dispersa J. F. Goodwin 1971-7-3 129 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  CHSC3384  Phlox speciosa Alice L. Stoll 1966-5-14 201 Siskiyou 7 miles S.E. of Callahan in forest alongside the Old Oregon Stage Road. 1219 Comment
  UC1186127  Phlox speciosa subsp. occidentalis H. L. Mason 1931-5-9 5869 Siskiyou 3 mi s Weed Comment
  RSA259573  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-25 7502 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  UC141920  Phoradendron densum Copeland 1903-7-7 3542 Siskiyou Hornbrook Comment
  LA11637  Phragmites australis Louis C. Wheeler; 1934-10-21 3335 Siskiyou Shasta Valley 4 mi E Grenada 868 Comment
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Feb 17 2015
  SBBG14309  Phyllodoce breweri J. Major 1961-7-14 633 Siskiyou Panther Meadows Cmpgrd, Mount Shasta 2270 Comment
  JEPS26589  Phyllodoce empetriformis Peter Kamb 1949-8-25 1483 Siskiyou s slope of Mount Shasta above Horse Camp; Mount Shasta 2468 Comment
  RSA237315  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SFV2670  Phyllodoce empetriformis J. Major 1961-7-14 633 Siskiyou Mount Shasta, Panther Meadows Campground. 2271 Comment
  UCD117724  Phyllodoce empetriformis R. Tofsrud; J. M. Tucker 1948-8-2 1767 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  HSC91035  Physaria occidentalis subsp. occidentalis Jennifer Whipple 1976-6-11 962 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC140596  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC140609  Physocarpus capitatus C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  CAS-BOT-BC140610  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC31543  Physocarpus capitatus Steve Selva, Roger Jensen 1974-8-23 38 Siskiyou Along trail to Devils Punchbowl Comment
  HSC46767  Physocarpus capitatus William J. Ferlatte 1974-7-13 1513 Siskiyou Big Flat, steep banks of the S Fork of Salmon River just W of USFS campground 1463 Comment
  HSC43422  Picea breweriana Maralyn O'Meara 1974-5-25 389 Siskiyou Along road to Duck Lakes trail 1402 Comment
  JEPS48371  Picea breweriana W. L. Jepson 1907-7-6 2847 Siskiyou Marble Mt. region Marble Mt. 1828 Comment
  SBBG25537  Picea breweriana D. Myrick -Aug-1966 Siskiyou Caribou Mtn, Trinity Alps Comment
  NY30144  Picea engelmannii L. E. Berriman 1940-8-30 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
  SD75843  Picea engelmannii Darley F. Howe 1969-9-12 Siskiyou Blake's Creek, North Fork of Salmon River, 20 miles southwest of Aetna 1830 Comment
  HSC101731  Pinus albicaulis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  UCD134319  Pinus albicaulis Robert E. Preston 2001-6-30 1649 d Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC78325  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  JEPS47894  Pinus attenuata W. L. Jepson 1902-7-22 2099 Siskiyou Devil's Backbone 1828 Comment
  CAS-BOT-BC78715  Pinus jeffreyi Peter H. Raven 1956-9-5 10460 Siskiyou North Fork of Sacramento River 1828 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  HSC1513  Pinus lambertiana R. C. Wunner 1965-9-12 514 Siskiyou Lava Beds National Monument, N side of Caldwell Minor 1448 Comment
  RSA237212  Pinus lambertiana Frederick W. Oettinger 1969-8-24 1538 Siskiyou 0.1 mile north of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1768 Comment
  RSA24087  Pinus lambertiana C. B. Wolf 1940-12-11 9796 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  CAS-BOT-BC73093  Pinus lambertiana William R. Dudley 1893-6-23 s.n. Siskiyou Near the top of the Castle Crags. Comment
  CAS-BOT-BC78954  Pinus monticola Peter H. Raven 1956-9-5 10448 Siskiyou North Fork of Sacramento River 2194 Comment
  CHSC2355  Piperia unalascensis V. Holt 1932-7-23 Siskiyou Spring Hill near Mt. Shasta City. 1158 Comment
  JEPS51259  Piperia unalascensis Al Hobart 1967-8-8 Siskiyou on the north face of El Capitan (western Siskiyou Mountains); western Siskiyou Mountains 1828 Comment
  UC164103  Plagiobothrys nothofulvus Geo. D. Butler 1910-5-6 1293 Siskiyou near Yreka Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  RSA238847  Plagiobothrys scouleri var. hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CHSC86662  Plagiobothrys tenellus Jenny Marr 1993-7-1 45 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA240061  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above Trail near Young's Cabin on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC136640  Platanthera Arthur Menzies 1962-7-21 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information 1706 Comment
  HSC22310  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-26 1584 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC82359  Platanthera dilatata var. leucostachys Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC2013019  Platanthera dilatata var. leucostachys Barbara Ertter 1990-7-14 9344 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  UC164413  Plectritis macrocera Geo. D. Butler 1909-3-27 664 Siskiyou near Oro Fino Comment
  RSA256703  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  SEINET10960596  Poa A. Arthur Heller 1919-6-25 Heller 13266 Siskiyou Compton's prairie, north base of Mt. Eddy in the yellow pine belt. An almost treeless grassy area, well watered by the small streams forming the Shasta river. 1158 Comment
  UC196931  Poa annua Geo. D. Butler 863 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC6490  Poa bolanderi Harley Pierce Chandler 1901-6-1 1703 Siskiyou Near Marble Mountain, Shackleford Canyon 1524 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 Comment
  SEINET7075525 Image available Poa bulbosa A. G. Vestal 1955-5-16 s.n. Siskiyou About 6.2 miles northwest of Weed. 41? deg. 28' 27" North Latitude, -122? deg. 28' 53" West Longitude. UTM Zone 10, 543291mE, 4591309mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC450473  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Yreka (Schulmeyer's (Geo. Gray's) Ranch) Comment
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May 9 2008
  UCD90654  Poa bulbosa Beecher Crampton 1969-6-19 8470 Siskiyou 3 miles north of Weed, along Interstate Hwy. 5. Comment
  JEPS125993  Poa compressa D. W. Taylor 1996-7-27 15867 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  UCD91098  Poa howellii Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain. Comment
  HSC38849  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4074 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  SEINET10717135  Poa pratensis Paul M. Peterson 2006-8-9 Peterson 19764 Siskiyou E. Side of Taylor Lake, Russian Wilderness. Edge of woods, with Veratrum viride, Pteridium aquilinum, Alnus, Abies, Aconitum columbianum, Rumex acetosells, Solidago, Phleum alpinum, Danthonia, Deschampsia and Juncus. 1979 Comment
  CHSC91222  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12127 Siskiyou Rocky hill, north of the rock fence, about 200 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  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
  UC149785  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock June, 1903 4064 Siskiyou Sisson; Sierra Nevada Mts, Mt Shasta 1066 Comment
  HSC643  Poa pringlei William J. Ferlatte 1967-7-6 610 Siskiyou Dorleska summit. 2134 Comment
  POM204949  Poa pringlei E. B. Copeland 1903-8-15 3894 Siskiyou Mt. Shasta 2348 Comment
  UCD91771  Poa pringlei A. H. Murphy 1959-7-23 59 V Siskiyou Shasta National Forest. Summit between North and Middle fork of Sacramento River. 2286 Comment
  CDA32653  Poa sandbergii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2651 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  UCD90327  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3404 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD90329  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3449 Siskiyou 25 miles N of Happy Camp. Comment
  HSC101843  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  HSC43815  Poa secunda subsp. secunda M. A. Baker 1977-5-22 326 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC1025012  Poa secunda subsp. secunda Leo Whitney 1935-7-15 3485 Siskiyou 2 mi se Medicine Lake (Bullseye Lake) Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  CAS-BOT-BC231355  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC231356  Polemonium pulcherrimum Wm. Bridge Cooke 1940-7-26 15381 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline Comment
  HSC19284  Polemonium pulcherrimum J. O. Sawyer 1969-6-12 877 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC45817  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  JEPS26587  Polemonium pulcherrimum subsp. pulcherrimum Peter Kamb 1949-8-25 1495 Siskiyou above Horse Camp (sw slope Mt. Shasta); sw slope Mt. Shasta above Horse Camp 3169 Comment
  NY337078  Polemonium tricolor H. P. Chandler 06 1901 1671 Siskiyou Marble Mountain 2438.4 Comment
  HSC72371  Polygala cornuta J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8974 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  UC705877  Polygala cornuta var. cornuta Marion Ownbey and Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi nw McCloud Comment
  CHSC88095  Polygonum aviculare Jenny Marr 1993-7-1 105 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC17463  Polygonum aviculare Geo. D. Butler 1908-6-24 181 Siskiyou Butler's Ranch near Yreka Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  UC454280  Polygonum bistortoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  POM211469  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Siskiyou Mts. W Fork Cottonwood Creek. 1006 Comment
  CAS-BOT-BC95028  Polygonum davisiae R. C. Wenk 2005-7-19 325 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CAS-BOT-BC414594  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  UC1735923  Polygonum douglasii Dean W. Taylor 1987-8-6 9242 Siskiyou Porcupine Lake; ; Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  JEPS25589  Polygonum douglasii Rimo Bacigalupi 1959-7-2 7221 Siskiyou near north base of Caribou Mtn. (just so of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of Salmon River, Big Flat Campground 1508 Comment
  RSA105356  Polygonum douglasii G. D. Barbe 1955-7-17 214 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  JEPS51298  Polygonum douglasii subsp. douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Region of the Upper Sacramento, Sisson Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  HSC2397  Polygonum minimum William J. Ferlatte 1966-8-18 417 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  UC1409315  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCR66535  Polygonum minimum L. C. Wheeler 1934-8-13 3115 Siskiyou Johnson Dairy 1829 Comment
  CDA17138  Polygonum phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  SEINET13711311  Polygonum polygaloides subsp. confertiflorum Lowell William Ahart, Lowell William Ahart 1998-1 9335 Siskiyou NE of Weed and E of Grass Lake at Gravel Pit on S Side of Tennant Rd. (T44N, R1W, sec 32, NW 1/4) 4600 Ft. 1402 Comment
  UC1191240  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  HSC92983  Polygonum sawatchense Jennifer Whipple 1976-7-1 1230 Siskiyou Near Little Crater Lake 2195 Comment
  UCD100656  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake. 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
  SD53344  Polygonum shastense Darley F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta 2438 Comment
  UC6736  Polygonum shastense W. H. Brewer 1862-9-13 1382 Siskiyou near Camp 99; Mt. Shasta 2438 Comment
  HSC46074  Polypodium californicum J. P. Smith, Steve Selva 1970-6-14 3877 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UCD91021  Polypogon interruptus Chandler Jensen 1957-4-29 s.n. Siskiyou Redding Airport, Redding. Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UCR129386  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mtns., 2 miles east of White Mtn., Mt. Diablo Meridian 1921 Comment
  JEPS83824  Polystichum imbricans subsp. imbricans Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  UC375479  Polystichum imbricans subsp. imbricans W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mt. Shasta 1676 Comment
  CAS-BOT-BC76732  Polystichum imbricans subsp. imbricans J. H. Thomas 1954-5-14 4176 Siskiyou Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC72378  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  CAS-BOT-BC72387  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou east side of Mt. Eddy 2346 Comment
  HSC27006  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1972-9-12 5770 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC72403  Polystichum lonchitis G. L. Stebbins 1972-7-3 9007 Siskiyou Northwest side of Red Butte, west of Cook & Green Pass 1828 Comment
  HSC26112  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5679 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC76680  Polystichum munitum Doris K. Kildale 1928-7-3 5450 Siskiyou Little North Fork Salmon River Comment
  HSC67731  Polystichum munitum John Palmer 1980-8-12 698 Siskiyou SE of Ward's Gap. 1189 Comment
  HSC61124  Polystichum munitum Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  RSA331965  Polystichum munitum Dave Kelly, Walter Wisura 1985-7-30 4072 Siskiyou Along Middle Creek Rd (47N63), N of Horse Creek at Hwy 96. Siskiyou Mtns. Comment
  POM210965  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  CAS-BOT-BC102765  Populus tremuloides Doris K. Kildale 1928-7-4 5545 Siskiyou 1 1/2 miles east of summit of divide between Salmon River & Scott Valley Comment
  CAS-BOT-BC102766  Populus tremuloides L. B. Kildale 1930-6-1 9732 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  UCD77956  Populus tremuloides Robert E. Preston 2001-6-30 1663 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC102957  Populus trichocarpa Alice Eastwood 1917-9-2 6670 Siskiyou Shasta Springs Comment
  RSA238841  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Mucky bottom of Horses Hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1100098  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-8-26 8288 Siskiyou 1/2 mi w of Tulelake Comment
  UC2026494  Potamogeton richardsonii Louis C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains: Lily Pad Lake, head West Fork Seiad Creek. Comment
  SEINET3893289  Potamogeton richardsonii K. Morris, Conrad; Dunn 1973-6-2 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263.; 0 Comment
  UC114325  Potentilla breweri Thomas Howell Siskiyou Hornbrook Comment
  RSA237618  Potentilla breweri var. breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake trail. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  SEINET11916232  Potentilla breweri var. expansa H. P. Chandler 1901-1 1697 Siskiyou Ridges & meadows near Marble Mtn 1524 Comment
  UC1560738 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2116 Siskiyou ridge e Cory Peak (rocky swale just e of small pond); China Mt.; China Mt., ridge E of Cory Peak, Siskiyou Co. 2286 Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC96322  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 470 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC18736  Potentilla flabellifolia Dorothy Parker 1949-7-10 338 Siskiyou Head of Paradise Lake, Salmon Mtn. Comment
  RSA211480  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CHSC1574  Potentilla glandulosa subsp. ashlandica M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  RSA184695  Potentilla glandulosa subsp. ashlandica Gilbert Muth 1966-7-17 405 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  HSC77100  Potentilla gracilis var. fastigiata K. T. Stillman 1976-7-30 338 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  JEPS98790  Potentilla gracilis var. fastigiata Sue Pappalardo 1993-7-19 494 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  CAS-BOT-BC540554  Potentilla gracilis var. fastigiata Geo B. Grant 1902-9-6 5086 Siskiyou Sisson Comment
  CAS-BOT-BC540573  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-29 10985 Siskiyou Pumice Mt. Comment
  UC538009  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Tennant Dorris Quad., , Tennant (Antelope Creek) 1219 Comment
  JEPS96962  Potentilla millefolia var. klamathensis Dean W. Taylor 1997-6-12 16058 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC711899  Potentilla rivalis Roxana S. Ferris and Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station Grass Lake Station (on U.S. Highway 97) 1554 Comment
  UC449932  Prunella vulgaris var. lanceolata Annie M. Alexander and Louise Kellogg 1911-7-16 248 Siskiyou S. Fk. Salmon R. <South Fork Salmon River> 1524 Comment
  CAS-BOT-BC158233  Prunus emarginata A. A. Heller 1920-8-13 13523 Siskiyou Near the Big [Sprin] Spring near Sisson Comment
  HSC60166  Prunus emarginata J. P. Smith 1976-5-21 8763 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  RSA211180  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat 1524 Comment
  UC454977  Prunus emarginata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mount Bradley); Mount Bradley Comment
  CAS-BOT-BC154674  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou West edge of Lava Beds between Bartle & Lookout Comment
  CAS-BOT-BC151247  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, near and at summit, Siskiyou-Del Norte County line. 1868 Comment
  CAS-BOT-BC151249  Prunus virginiana var. demissa Geo. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  HSC18827  Prunus virginiana var. demissa R. C. Wunner 1965-6-6 97 Siskiyou California Lava Beds National Monument; Lower Caldwell Ice Cave 1402 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
  JEPS80524  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, s of camp, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Marble, Marble Mountain Wilderness Area 1792 Comment
  UC60994  Pseudotsuga menziesii var. menziesii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  UCR30818  Pterospora andromedea Lucille Roos 1965-8-10 s.n. Siskiyou Klamath National Forest, Bear Lake, Marble Mountains 1473 Comment
  SEINET193347  Pteryxia terebinthina var. californica Lincoln Constance, Reed C. Rollins 1942-5-14 2924 Siskiyou Road to Walker Post Office 4 miles west of Yerka. 1219 Comment
  UCD91862  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC147893  Purshia tridentata var. tridentata Wm. Bridge Cooke 1938-6-24 11100 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC147902  Purshia tridentata var. tridentata Carl B. Wolf 1927-8-26 1033 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC99683  Purshia tridentata var. tridentata C. B. Wolf 1927-8-26 1033 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  RSA605983  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  UC1539993  Purshia tridentata var. tridentata Roseberry 1936-5-15 33 Siskiyou 0.5 mi e Caldwell Butte; Lava Beds National Monument 1371 Comment
  CAS-BOT-BC460859  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson Comment
  HSC19193  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1968-6-18 189 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC29320  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Tobacco Lake 1890 Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC94554  Pyrola picta R. C. Wenk 2006-9-2 560 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  UC625499  Pyrola picta Frank W. Gould 1938-6-27 473 Siskiyou 3 mi n of town of Mount Shasta (near highway U.S. 99) 1082 Comment
  CAS-BOT-BC466126  Pyrola picta Elmer I. Applegate 1896-5-29 940 Siskiyou Sisson Comment
  CAS-BOT-BC466154  Pyrola picta Miss E. Cannon 1893-8-1 s.n. Siskiyou Mt. Shasta Comment
  HSC36657  Pyrola picta Brent Whiteley 1975-6-28 87 Siskiyou 915 Comment
  RSA0083256  Pyrola picta R. F. Thorne 1969-8-2 63390 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  RSA0083258  Pyrola picta A. E. Culbertson 1943-8-5 47 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. with 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC362268  Pyrrocoma carthamoides var. cusickii J. D. Jokerst 1981-8-18 1462 Siskiyou East side of USFS logging road between road and canyon bottom 1249 Comment
  SBBG126113  Pyrrocoma lanceolata var. lanceolata L. Ahart, J. Dittes 2010-7-30 16969 Siskiyou Shasta Big Springs Ranch, 2.6 mi NW of Big Springs Lake, 3.9 mi SE of Grenada, 6.3 mi NW of Dwinnel Dam 778 Comment
  UCR30566  Pyrrocoma racemosa var. racemosa John C. Roos 1948-9-1 3954 Siskiyou Near Fort Jones 854 Comment
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  HSC99817  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-27 6089 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CAS-BOT-BC94661  Quercus garryana Wm. F. Herrin 1919-9-1 s.n. Siskiyou near Dunsmuir Comment
  UCD46096  Quercus garryana var. garryana J. M. Tucker 1947-5-17 1553 Siskiyou 7 miles southwest of Gazelle, Siskiyou County, California. Comment
  CAS-BOT-BC104367  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou E of Cook & Green Pass 1524 Comment
  CHSC83156  Quercus sadleriana G. J. Muth; J. M. Tucker 1972-8-9 1797 Siskiyou Near Cook and Green Pass. Ridge top. 1462 Comment
  HSC31513  Quercus sadleriana Steve Selva, Roger Jensen 1974-8-22 36 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  RSA281650  Quercus sadleriana S. O. Mattoon 1979-8-3 70 Siskiyou Bolan Lake, 12 air miles ESE of Hwy 199 and Obrien ore and 3 air miles N of Del Norte county, Siskiyou Mountains. 1829 Comment
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Jun 25 2013
  SBBG25325  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou jct Red Rock Valley trail and Cyn Crk trail; Marble Mtn Wilderness 1341 Comment
  SFV895  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area. Junction of Red Rock Valley Trail and Canyon Creek Trail. 1341 Comment
  UC637062  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCD47232  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 A Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1371 Comment
  HSC68525  Quercus vacciniifolia Maralyn A. Renner 1980-6-23 999 Siskiyou W Fork Seiad Creek 878 Comment
  RSA571661  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou West Fork of Beaver Creek, Siskiyou Mountains. 1677 Comment
  UC1565730  Raillardella argentea W. J. Ferlatte 1980-8-30 2027 Siskiyou ca 0.75 mi s China Mountain (ca 100 yds n of trail); Houston Creek Divide 2316 Comment
  UC375274  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Shackleford Creek Long Lake Comment
  SEINET12100629  Ranunculus occidentalis H. P. Chandler 1901-1 1691 Siskiyou near Marble Mountain 2286 Comment
  RSA47794  Ranunculus orthorhynchus Roxana S. Ferris, Laura Lorraine 1948-6-12 11820 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  LA207875  Rhamnus purshiana Louis C. Wheeler; 1934-7-17 2915 Siskiyou Siskiyou Mountains, Cottonwood Creek Comment
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Feb 17 2015
  SBBG17619  Rhododendron occidentale M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine Comment
  CDA34292  Rhododendron occidentale var. paludosum J. Knorr 1980-7-8 51 Siskiyou Siskiyou Mtns.; Scott Mtn., NE of Hwy 3 crossing of Pacific Crest Trail. Cabin Meadows Creek. 1828 Comment
  HSC69107  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-8-6 2300 Siskiyou Cracker Meadow 1555 Comment
  HSC27471  Rhus aromatica J. P. Smith, J. O. Sawyer 1972-5-28 5368 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  UC163757  Rhus trilobata Geo. D. Butler 1910-6-29 1615 Siskiyou near Yuba Comment
  CAS-BOT-BC438005  Ribes L. B. Kildale 1930-6-1 9862 Siskiyou Salmon River 5 miles north of Fork of Salmon Comment
  CAS-BOT-BC438011  Ribes W. R. Dudley 1899-8-22 s.n. Siskiyou Near spring - Craggy Peak Comment
  SEINET3151601  Ribes aureum G. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92410  Ribes aureum var. aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  HSC26000  Ribes cereum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19535 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC92794  Ribes cereum Jennifer Whipple 1976-7-1 1232 Siskiyou Ridge N of Little Crater Lake 2287 Comment
  SBBG30543  Ribes cereum D. Myrick 1968-6-22 1988 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC1483444  Ribes cereum J. Sawyer and J. Cole 1980-7-22 3999 Siskiyou Little Horse Peak Klamath National Forest, Bray Quad. 1719 Comment
  UC775004  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou 12 mi ne Weed (on U.S. Highway #97 at junction with rd. to Montague); Little Shasta Valley 883 Comment
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Jan 17 2007
  SEINET9321585  Ribes cereum var. cereum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  JEPS49410  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Comment
  CAS-BOT-BC168874  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Ditch bank Yreka Comment
  CAS-BOT-BC173286  Ribes lacustre W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. along brook toward Spring Comment
  HSC69539  Ribes lacustre Maralyn A. Renner 1980-8-6 2249 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  HSC61940  Ribes lobbii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC375355  Ribes lobbii Geo. D. Butler 1908-8-5 261 Siskiyou camp below Cold Spring; Woolly Creek Comment
  RSA167322  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
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Jul 12 2012
  CHSC93510  Ribes montigenum Lowell Ahart; John Dittes 2005-6-9 12036 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
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS49300 Image available Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-21 164 Siskiyou Jackson Lake Comment
  CDA25569  Ribes roezlii F. D. Horn 1977-4-21 Siskiyou Van Horn Creek, McAdams Creek Road, Fort Jones. 0 Comment
  RSA0024601  Ribes roezlii var. cruentum Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino. Comment
  CAS-BOT-BC186288  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  HSC29415  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  RSA0019540  Ribes sanguineum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1280 Siskiyou Southeast of English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  SEINET12220354  Ribes sanguineum J. P. Tracy 1951-1 19497 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd near state line Comment
  SBBG27521  Ribes sanguineum var. glutinosum L. C. Wheeler 1934-6-12 2695 Siskiyou N Hungry Crk, Siskiyou Mtns 1310 Comment
  CAS-BOT-BC144517  Ribes sanguineum var. sanguineum Alice Eastwood; John Thomas Howell 1937-6-26 5042 Siskiyou Salmon Mts. above Taylor Creek Comment
  CAS-BOT-BC144519  Ribes sanguineum var. sanguineum Geo. D. Butler 1910-7-12 1759 Siskiyou Dry ridge, Shackleford Creek 1371 Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  JEPS49256  Ribes velutinum Geo. D. Butler 1908-6-20 267 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC168791  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  HSC44981  Ribes viscosissimum J. O. Sawyer 1978-6-21 3284 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC61944  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC69302  Ribes viscosissimum Maralyn A. Renner 1980-7-24 1987 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1173693  Romanzoffia californica Joseph P. Tracy 1939-4-29 16269 Siskiyou Somes Bar 182 Comment
  CAS-BOT-BC65007  Rorippa curvipes R. F. Thorne; Frederick W. Oettinger 1969-8-4 63353 Siskiyou High lake basins in the vicinity of English Pk, above Tobacco Lake. Klamath National Forest, Marble Mountain Wilderness Comment
  UC165305  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou near Yreka Comment
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Feb 18 2009
  RSA184740  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  CDA22999  Rorippa nasturtium-aquaticum F. D. Horn 1980-7-2 s.n. Siskiyou Roadside, Highway 96 about 10 miles N. of Somes Bar. 0 Comment
  UC1871382  Rosa Barbara Ertter 2006-7-30 18738 Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC146739  Rosa gymnocarpa Alice Eastwood 1912-8-28 1936 Siskiyou Cantara Comment
  CAS-BOT-BC146755  Rosa gymnocarpa Annie M. Alexander; Louise Kellogg 1948-9-7 5593 Siskiyou On road between first and second forks to Lookouts; Black Bear Summit Comment
  UC60952  Rosa gymnocarpa Geo. B. Grant Sept. 1902 5283 Siskiyou Dunsmuir Mount Shasta 609 Comment
  RSA96938  Rosa gymnocarpa Percy C. Everett, E. K. Balls 1954-10-11 20267 Siskiyou Castle Lake Forest Service Camp. SW of town of Mt. Shasta. 1555 Comment
  CAS-BOT-BC147072  Rosa pisocarpa Alice Eastwood 1923-5-23 11936 Siskiyou Cantara, S.P.R.R. Comment
  RSA237810  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC148191  Rosa rubiginosa Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC149739  Rosa woodsii subsp. ultramontana L. E. Smith 1915-9-1 s.n. Siskiyou Sisson Comment
  HSC36659  Rubus armeniacus Brent Whitely 1975-6-20 6 Siskiyou 223 Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  JEPS25620  Rubus lasiococcus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7253 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC147987  Rubus leucodermis Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  HSC69537  Rubus leucodermis Maralyn A. Renner 1980-8-6 2253 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA68895  Rubus parviflorus var. hypomalacus A. E. Culbertson 1943-7-12 62 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC157161  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  UCD19426  Rudbeckia occidentalis J. DiTomaso 2001-7-24 s.n. Siskiyou N of Hwy 96 near Happy Camp. Comment
  JEPS74413  Rumex acetosella W. B. and V. G. Cooke 1974-8-20 49244 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  UC850502  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  SEINET516326  Rumex stenophyllus Vernon H. Oswald 1998-9-16 9647 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  HSC17612  Rumex triangulivalvis R. C. Wunner 1965-6-22 266 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  HSC44957  Sagina saginoides J. O. Sawyer 1978-6-16 3228 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  POM313042  Sagittaria cuneata Malcolm A. Nobs, Calvin McMillan 1949-6-17 799 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC103544  Salix commutata John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC33924  Salix eastwoodiae J. O. Sawyer 1968-7-10 501 Siskiyou Along S Sugar Creek 1982 Comment
  HSC34266  Salix eastwoodiae J. P. Smith, J. O. Sawyer 1973-8-14 7312 Siskiyou Around Cliff Lake 1860 Comment
  POM107070  Salix exigua Geo. D. Butler 1909-9-20 1082 Siskiyou Yreka Creek. Comment
  CHSC88393  Salix laevigata Jenny Marr 1993-7-1 152 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM362652  Salix laevigata E. E. Stanford 1930-6-16 1604 Siskiyou Near Hornbrook. Comment
  HSC19977  Salix lasiandra R. C. Wunner 1965-8-14 427 Siskiyou Lava Beds National Monument, N boundary near Hovey Pt. 1220 Comment
  UC163665  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-4-9 1161 Siskiyou Yreka Creek Comment
  CAS-BOT-BC125447  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1200 Comment
  CAS-BOT-BC125450  Salix lasiandra var. lasiandra L. E. Smith 1913-4-14 629 Siskiyou Weed Comment
  CAS-BOT-BC125475  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  JEPS80664  Salix lasiandra var. lasiandra W. B. and V. G. Cooke 1977-9-22 54823 Siskiyou near Deter Camp Mt. Shasta 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
  POM219894  Salix lasiolepis H. P. Bracelin 1931-6-19 420 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. 1515 Comment
  UC482245  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC576394  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 833 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  CAS-BOT-BC107343  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km. northwest of Shasta City 1080 Comment
  POM220465  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  CAS-BOT-BC124545  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC128308  Salix lasiolepis var. lasiolepis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53414 Siskiyou Oro Fino 853 Comment
  CHSC9686  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  CAS-BOT-BC126164  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; at bridge, about 1.3 km. east of Burney Mill 1110 Comment
  RSA612549  Salix scouleriana Louis C. Wheeler 1935-7-26 3722 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC449843  Salix scouleriana L. S. Smith 1931-6-1 13 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC225204  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou Back of Sisson on the Mt. Shasta Trail Comment
  RSA183737  Sambucus caerulea Gilbert Muth 1965-8-2 143 Siskiyou 1/2 mile btween gate and Lower Sky High Lakes, Marble Mountains Comment
  CAS-BOT-BC238890  Sambucus nigra subsp. caerulea Elmer I. Applegate 1935-6-5 9304 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC236485  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC19451  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1404 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UCD137279  Sambucus racemosa var. racemosa J. P. Smith; Steve Selva 1970-6-16 4066 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  UC136486  Sanguisorba annua Dr. E. B. Copeland 1903-8-14 3585 Siskiyou Sisson 1066 Comment
  POM298617  Sanicula bipinnatifida Lincoln Constance, R. Shan 1946-5-31 3060 Siskiyou E bank of Sacramento River at Dunsmuir. 701 Comment
  UC165381  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  RSA237666  Sanicula graveolens Frederick W. Oettinger 1969-7-9 941 Siskiyou NW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC409  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC24696  Sarcodes sanguinea J. O. Sawyer 1969-6-12 884 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  RSA29832  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson s Dairy. (Mt. Diablo Mer.) 1707 Comment
  JEPS47487  Saxifraga nidifica var. nidifica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta River hills Shasta River Comment
  UC922301  Saxifraga odontoloma Annie M. Alexander and Louise Kellogg 1949-7-24 5859 Siskiyou Paradise Lake, trail to Bear Lake Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC445870  Saxifragopsis fragarioides J. Bernard Brinton 1882-9-5 s.n. Siskiyou Cliffs overhanging Castle Lake Comment
  UC1360404  Saxifragopsis fragarioides Jack Major, M. Fleschner, and R. Pemble 1966-9-4 Siskiyou near top Marble Mountain; Marble Mountains 2225 Comment
  UC166561  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou Highland Mine Comment
  SEINET4890616  Schedonorus pratensis D. Butler 1910-7-4 1636 Siskiyou Creek bed, Goosenest Foothills 1219 Comment
  CAS-BOT-BC110852  Scirpus congdonii H. A. Thomas; J. H. Thomas 1954-7-24 4489 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow 1981 Comment
  CAS-BOT-BC110853  Scirpus congdonii Alice Eastwood 1921-7-24 10765 Siskiyou Castle Lake Comment
  HSC69109  Scirpus congdonii Maralyn A. Renner 1980-8-6 2306 Siskiyou Cracker Meadow 1555 Comment
  HSC30684  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou Marble Mtn. Wilderness Area, S end of Horses Hole pond above Horse Range Lake 1875 Comment
  POM215862  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA483308  Scribneria bolanderi L. C. Wheeler 1935-5-1 3450 Siskiyou Yreka Creek. Siskiyou Mountains. Mt. Diablo Mer. 854 Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  JEPS94674  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne Weed (and se of Macdoel in area of marshes and wet meadow along Old State Highway on w side of Bray) 1417 Comment
  UC1114766  Scutellaria nana W. Bridge Cooke 1956-7-16 30304 Siskiyou above Hotlum Station (along old logging road, n side of Mount Shasta); Mount Shasta 1524 Comment
  HSC61169  Sedum divergens Al Hobart 17 Jul [year missing] Siskiyou El Capitan Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  HSC69136  Sedum laxum Maralyn A. Renner 1980-8-8 2482 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS96686  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  RSA238006  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. 2104 Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  HSC69553  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-6-26 1293 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SEINET12217803  Sedum oreganum Unknown 1986-1 60433 Siskiyou N of Condrey Mt. and east of Scraggy Mt., Alex Crk. near intersection with unknown forest 1524 Comment
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Apr 14 2020
  CAS-BOT-BC64644  Sedum oregonense John Thomas Howell 1937-7-26 13566 Siskiyou Between Big Flat and Caribou Gulch, Siskiyou Co. 2286 Comment
  RSA0059718  Sedum radiatum subsp. depauperatum L. C. Wheeler 1934-6-4 2643 Siskiyou Ridge S of Horse Creek near mouth, Siskiyou Mts. Mt. Diablo Mer. 1067 Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  UC185220  Selaginella wallacei Geo. D. Butler 1909-7-15 874 a Siskiyou Highland Mine Highland Mine Comment
  RSA0013328  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath national Forest, Forest Foad 40N08, 6.9 miles from its junction with State Route 3 1524 Comment
  UC904780  Senecio fremontii var. occidentalis W. Bridge Cooke 1949-8-22 25559 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  CAS-BOT-BC363761  Senecio integerrimus Elmer I. Applegate 1923-8-19 3894 Siskiyou Medicine Lake Comment
  RSA0125031  Senecio integerrimus var. exaltatus Philip A. Munz 1952-7-2 17882 Siskiyou Road to Baldy Mt. northwest of Happy Camp. 1494 Comment
  HSC22202  Senecio integerrimus var. major J. O. Sawyer 1968-7-9 417 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC68396  Senecio integerrimus var. major Maralyn A. Renner 1980-6-26 1244 Siskiyou SE edge of Flint Valley. 1390 Comment
  SD101076  Senecio integerrimus var. major Darley F. Howe 1977-6-29 Siskiyou Weaver Bally Road 1800 Comment
  RSA94751  Senecio streptanthifolius F. W. Peirson 1923-7-19 3922 Siskiyou Lairds Landing Comment
  CAS-BOT-BC364425  Senecio triangularis John Thomas Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364426  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC417  Senecio triangularis 1939-7-12 Siskiyou Mt. Shasta. 1828 Comment
  RSA261516  Senecio triangularis J. M. Tucker, D. V. Hemphill 1974-7-26 4290 Siskiyou Let-Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  UC91681  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  RSA211197  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou North side of Caribou Mountain. 1982 Comment
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  UC1222981  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1949-9-15 18556 Siskiyou on road between Cecilville and Sawyer's Bar, near the summit Blue Ridge 1584 Comment
  RSA211491  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin. Sawtooth Ridge. 2043 Comment
  RSA448559  Sidalcea Chadwick, Mrs. Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  JEPS105035  Sidalcea glaucescens Dean W. Taylor 1996-7-7 15823 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  SEINET11971662  Sidalcea glaucescens M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  CHSC1055  Sidalcea oregana subsp. oregana K. Jaekel 1939-7-4 Siskiyou Black Butte meadows, near Mt. Shasta. 1158 Comment
  JEPS67250  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-6-28 63 Siskiyou Oro Fino L. Eastlick Ranch, Oro Fino Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  UCD116856  Sidalcea oregana subsp. spicata J. M. Tucker 1950-7-23 1934 Siskiyou roadside just west of Mount Shasta High School, town of Mount Shasta. Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  JEPS84224  Silene bernardina L. R. Heckard with J. Hickman et al. 1986-7-17 6499 Siskiyou ca 14.5 mi from Hwy 96 Walker (near Dry Lake, Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  CAS-BOT-BC181196  Silene campanulata subsp. glandulosa L. B. Kildale 1930-6-1 9748 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  UC1299503  Silene campanulata subsp. glandulosa Freed W. Hoffman 1950-7-14 3620 Siskiyou Clear Creek Trail Baldy Mountain, Clear Creek trail (western Siskiyou County) Comment
  CAS-BOT-BC387060  Silene douglasii W. B. Cooke 1956-7-16 30305 Siskiyou Along old logging road above Hotlum Station, north side of Mount Shasta 1524 Comment
  HSC19522  Silene douglasii J. O. Sawyer 1969-7-24 1195 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  UCSB63905  Silene douglasii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56); 3.7 mi. east of Forest Route 49; edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6 1755 Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  HSC68330  Silene grayi Maralyn A. Renner 1980-6-26 1241 Siskiyou SE edge of Flint Valley. 1390 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
  RSA165436  Silene grayi Clare B. Hardham 1961-6-30 8010 Siskiyou Near White Mt. Comment
  UCD98590  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou ridge of Marble Mt., 1/4 mile west of summit. Along edge of escarpment above Rainy Valley. 2042 Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  RSA47983  Silene lemmonii Roxana S. Ferris, Laura Lorraine 1948-6-12 11755 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CDA3454  Silene vulgaris R. S. Richards 1967-6-15 Siskiyou Highway 3, 1 mile south of Etna. 0 Comment
  HSC64805  Sisymbrium altissimum J. P. Smith 1974-5-26 7388 Siskiyou Along FS Rd. 47N03 1524 Comment
  CDA16173  Sisymbrium officinale G. F. Hrusa, T. D. Wilfred 1999-5-31 15072 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  CAS-BOT-BC5742  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta 2743 Comment
  UC61187  Smilacina racemosa W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mount Shasta Comment
  HSC42890  Smilax jamesii J. O. Sawyer, Ken Stillman 1976-7-1 2797 Siskiyou Mid slopes and ridges E of Little N Fork Trail of the Salmon River. 732 Comment
  CHSC72241  Solanum dulcamara Vernon H. Oswald; Lowell Ahart 1998-9-16 9637 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  HSC100790  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the S edge of the Shasta River, ~100 yd. E 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, 5.7 (air) mi. SE of Grenada. 717 Comment
  HSC46804  Solanum parishii William J. Ferlatte 1974-7-25 1580 Siskiyou Lower slope of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  CAS-BOT-BC365568  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Guard Station. Marble Mts. Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  POM210973  Sorbus californica Louis C. Wheeler 1934-8-8 3068 Siskiyou W Fork Beaver Creek. Siskiyou Mtns. 1677 Comment
  UC164082  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Eton Creek; Salmon Mountains Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  RSA211471  Sorbus scopulina William J. Ferlatte 1967-6-30 595 Siskiyou Josephine Lake basin. 1677 Comment
  UC1198763  Sorbus scopulina var. cascadensis Joseph P. Tracy 1935-8-1 14404 Siskiyou Rock Lake New River (between Salmon and; at extreme W. Fork of Knownothing Creek); Rock Lake, Knownothing Creek 1889 Comment
  LA208276  Sorbus sitchensis W. B. C.; 1939-6-30 13576 Siskiyou Mount Shasta, Along the Sisson Southern Trail 1981 Comment
  CAS-BOT-BC520389  Sparganium angustifolium Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  CHSC106101  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2010-7-30 1936 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC390717  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC390719  Spergularia rubra Doris K. Kildale 1928-7-25 5882 Siskiyou Klamath River - Macks Creek near Hamburg 457 Comment
  UC60991  Sphenosciadium capitellatum Geo. B. Grant September 1902 5141 Siskiyou Mount Shasta 914 Comment
  HSC18901  Spiraea douglasii J. O. Sawyer 1968-7-23 572 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC375390  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek Comment
  UC484057  Spiraea douglasii Carl B. Wolf 1930-10-22 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  UC555303  Spiraea douglasii Dorothy Tebbe 1929-7-1 Siskiyou Mt. Eddy; at Tern Dell Comment
  UC572795  Spiraea douglasii unknown 1937-8-6 9188 Siskiyou Bear Spring; Mt. Shasta 1524 Comment
  HSC45185  Spiraea splendens var. splendens J. O. Sawyer, E. Cope 1977-6-18 2933 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  RSA447291  Stachys M. B. Dunkle 1944-7-16 9115 Siskiyou Siskiyou Natl. Forest, Coastal Northern California. Comment
  HSC27981  Stachys pycnantha Carl W. Mize 1972-9-24 124 Siskiyou Along logging road 816 Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  RSA289945  Stachys rigida subsp. rigida Geo. D. Butler 1908-6-29 174 Siskiyou Butler s ranch near Yreka. Comment
  UC917271  Stephanomeria lactucina R. Tofsrud and J. M. Tucker 1948-8-4 1784 Siskiyou ca 1.5 mi nw McCloud Comment
  CAS-BOT-BC375638  Stephanomeria lactucina W. R. Dudley 1899-8-9 s.n. Siskiyou Mesa above Upton, south of Black Butte Comment
  UCD136235  Stephanomeria paniculata L. D. Gottlieb 1966-7-24 6679 Siskiyou Shasta Ski Bowl Road, near 1.25 mile post, Mt. Shasta. 1219 Comment
  CAS-BOT-BC375942  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Creek 1036 Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  HSC76767  Stipa occidentalis var. californica K. T. Stillman 1976-8-7 378 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC64360  Stipa thurberiana Don Bateman 1980-5-20 Siskiyou 12 mi. E of Mt. Hebron 1415 Comment
  SEINET10603975  Stipa thurberiana Louis C. Wheeler 1935-5-7 Wheeler 3470 Siskiyou Precipitous rocky s slope Klamath River at Ash Creek, Siskiyou Mts., S 14, T 46 N, R 7 W, Mt. Diablo Mer. 610 Comment
  CAS-BOT-BC61126  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mount Eddy, west of Sisson. 2133 Comment
  HSC71172  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-7-24 4494 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  CHSC554  Streptanthus polygaloides G. Spurlock 1935-6-1 Siskiyou Comment
  CAS-BOT-BC87861  Streptanthus tortuosus Gilbert J. Muth 1969-8-8 1300 Siskiyou Boulder Peak Ridge. 2286 Comment
  CAS-BOT-BC87871  Streptanthus tortuosus Geo. B. Grant 1902-9-7 s.n. Siskiyou Mount Shasta. Horse Camp. Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  RSA211226  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  SEINET10448520  Streptanthus tortuosus Mary Merello 1993-6-23 Merello 700 Siskiyou Shasta-Trinity National Forest. Along county road A-10 (also named Everitt Memorial Highway) climbing Mt. Shasta. Mixed conifer, sub-alpine vegetation, volcanic soils; Aibes and Arctostaphylos dominant species (mile 10 marker 6650 ft.) 1960 Comment
  UC625501  Streptanthus tortuosus Frank W. Gould 1938-6-27 472 Siskiyou 3 mi n Mt. Shasta (town) (near hwy) 1082 Comment
  JEPS54030  Streptanthus tortuosus var. orbiculatus Willis L. Jepson 1894-8-4 13405 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  HSC29181  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  JEPS54015  Streptanthus tortuosus var. tortuosus W. L. Jepson 2862 Siskiyou near Cottage Grove; Klamath River Comment
  HSC792  Streptopus amplexifolius William J. Ferlatte 1967-7-9 690 Siskiyou Kidd Creek Trail 1677 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
  HSC61794  Swertia albicaulis var. nitida Ruby Van Deventer 16 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC269613  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Creek 640 Comment
  HSC27962  Symphoricarpos mollis Carl W. Mize 1972-9-23 122 Siskiyou 610 Comment
  HSC42921  Symphoricarpos mollis Ken Stillman 1976-8-31 464 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC245768  Symphoricarpos rotundifolius Gilbert J. Muth 1969-8-7 1259 Siskiyou Boulder Peak Ridge 2468 Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  UC165282  Symphyotrichum bracteolatum Geo. D. Butler 1909-8-11 291 Siskiyou Shackelford Creek Comment
  CAS-BOT-BC97876  Symphyotrichum eatonii Doris K. Kildale 1925-9-6 1278 Siskiyou Somes Bar, at junction of Salmon & Klamath River 274 Comment
  CAS-BOT-BC98956  Symphyotrichum foliaceum var. parryi Saxton; Canfield 1922-8-21 63 Siskiyou Poker Flat - Klamath Forest Comment
  HSC77012  Symphyotrichum hendersonii K. T. Stillman 1976-7-7 167 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CAS-BOT-BC98432  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-6 1230 Siskiyou Boulder Peak Ridge 2468 Comment
  UC1188088  Symphyotrichum spathulatum Philip A. Munz 1960-8-22 24173 Siskiyou Panther Meadows Mt. Shasta 2286 Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  UC163871  Taraxacum officinale Geo. D. Butler 1908-8-28 982 Siskiyou near Oro Fino Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  RSA384696  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  UCR168462  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Northwestern; Klamath Ranges, Siskiyou Mountains: Western end of White Mtn. 1829 Comment
  CAS-BOT-BC88064  Thelypodium brachycarpum A. A. Heller 1922-6-22 13669 Siskiyou In the Shasta Valley between Gazelle and Edgewood. Comment
  CAS-BOT-BC88074  Thelypodium brachycarpum J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle. Comment
  HSC67701  Thelypteris nevadensis Maralyn A. Renner 1980-9-1 2732 Siskiyou Outlet stream of pond below Devil's Punchbowl 1433 Comment
  MACF002235  Thelypteris nevadensis Donald Branscomb 1958-7-29 27255 Siskiyou Bald Mtn. Comment
  CHSC110166  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou 774 Comment
  CHSC561  Thlaspi montanum var. montanum N. Jaekel; K. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 1828 Comment
  CHSC99708  Thlaspi montanum var. montanum L. P. Janeway 2008-7-22 9451 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; top of slope overlooking Little Castle Lake from the southwest; 0.6 air km southwest of Little Castle Lake. 1896 Comment
  JEPS25666  Thlaspi montanum var. montanum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7309 Siskiyou meadow at Twin Valley (4 air-line mi nne of Preston Peak, watershed of Indian Creek, just e of Del Norte County line); Siskiyou Mts., watershed Indian Creek, nne Preston Pk 1493 Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  UC165985  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino; fields Comment
  HSC30615  Tolmiea diplomenziesii Frederick W. Oettinger 1969-8-9 1320 Siskiyou Along main North Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  UC1190164  Tolmiea diplomenziesii Ira L. Wiggins 1955-7-24 4270 Siskiyou trail at crossing China Creek (above diversion dam) 1301 Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  UC164324  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  UCD128151  Torilis arvensis Tracey Call; Viola Call 1964-6-22 2277 Siskiyou near Klamath river 0.25 mile east of Beaver Creek. Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  JEPS25581  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  JEPS82737  Trautvetteria caroliniensis var. occidentalis Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  OBI55487  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  HSC68304  Trientalis latifolia Maralyn A. Renner 1980-7-4 1422 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC1258455  Trientalis latifolia Maralyn A. Renner 1980-6-24 1039 Siskiyou Tributary stream to East Fork Seiad Creek, where crossed by F.S. Road. 48N20 East Fork Seiad Creek; Klamath National Forest, East Fork Seiad Creek 1021 Comment
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  HSC61931  Trifolium howellii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS98770  Trifolium howellii Dean W. Taylor 1996-6-19 15712 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  HSC86527  Trifolium longipes D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  JEPS87958  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca. 1-2 mi from Parks Creek trailhead(=crest of Rte 17). 2286 Comment
  SEINET10577002 Image available Trifolium longipes subsp. shastense H. E. Brown 1897-6-1 Brown 365 Siskiyou Near Mt. Shasta. 1829 Comment
  UC164162  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Dry hill Yreka Comment
  JEPS101830  Trifolium pratense Dean W. Taylor 1997-6-11 16050 Siskiyou Scott Valley, meadow along Clark Creek; ca. 2 miles west from Highway 3 and 2 mi S of Etna 975 Comment
  UC1045249  Trifolium pratense W. B. Cooke 1940-7-5 15235 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
  CAS-BOT-BC230882  Trifolium productum G. J. Muth 1969-8-12 1382 Siskiyou Second Valley 2194 Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  HSC101737  Trifolium willdenovii J. P. Smith, J. O. Sawyer 2010-5-2 12796 Siskiyou River access road, on the Salmon River. 164 Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CAS-BOT-BC519099  Trillium chloropetalum var. chloropetalum J. H. Thomas 1949-6-16 946 Siskiyou 1/4 mile north of Beaver Creek Public Camp along Beaver Creek, 5 miles north of junction of Beaver Creek and Klamath River, Klamath National Forest Comment
  CHSC96099  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-3 8757 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  HSC27037  Trisetum canescens J. P. Smith, J. O. Sawyer 1972-9-14 5814 Siskiyou Trail to Little Duck Lake 1829 Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  CAS-BOT-BC200271  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  CHSC70214  Trisetum spicatum Jennifer Whipple 1977-7-22 2046 Siskiyou Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2286 Comment
  HSC18985  Trisetum spicatum J. O. Sawyer 1969-7-24 1463 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  RSA238976  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Trail southeast of Tom's Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA78679  Triteleia crocea Philip A. Munz 1952-7-2 17872 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC1045310  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou moist places along Castle Lake road 1615 Comment
  RSA114961  Triteleia hendersonii E. K. Balls, Lee W. Lenz 1956-6-18 21717 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
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May 2 2015
  UC161221  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1828 Comment
  UC635730  Triteleia ixioides subsp. anilina D. Tebbe 1929-6-7 143 Siskiyou Mt. Eddy Comment
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  CAS-BOT-BC80247  Tsuga mertensiana subsp. grandicona Doris K. Kildale 1928-8-19 6536 Siskiyou Summit of Divide between English Lake + Hancock Lake, trail to Marble Mt. 1992 Comment
  CAS-BOT-BC80253  Tsuga mertensiana subsp. grandicona Louis C. Wheeler 1934-9-1 3237 Siskiyou Klamath Forest, Mud Springs 1889 Comment
  HSC46194  Uropappus lindleyi Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  UC375258  Urtica dioica subsp. holosericea Geo. D. Butler 1908-7-11 528 Siskiyou near Yreka Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  HSC8632  Urtica dioica subsp. holosericea R. C. Wunner 1965-7-9 346 Siskiyou Lava Beds National Monument, Indian Well Maintenance area, near truck wash area. 1433 Comment
  UCD168825  Utricularia macrorhiza Barry Rice 2015-9-6 BR 150904 Siskiyou Caldwell Fen. 2068 Comment
  UCD121867  Utricularia minor Barry Rice 2007-7-8 BR 070704 Siskiyou Cedar Lake. 1742 Comment
  CAS-BOT-BC199187  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC199192  Vaccinium cespitosum Doris K. Kildale 1928-8-19 6503 Siskiyou English Lake, head of North Fork of Salmon River Comment
  HSC19245  Vaccinium cespitosum J. O. Sawyer, Steve Selva 1969-8-1 1653 Siskiyou Along trail to Little Duck Lake 1951 Comment
  UC1334018  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountains Comment
  UC618889  Vaccinium cespitosum unknown 1938-7-21 11302 Siskiyou Panther Creek Mount Shasta Comment
  UC413098  Vaccinium deliciosum Jos. Grinnell 1911-6-22 174 Siskiyou Jackson Lake Comment
  HSC19360  Vaccinium membranaceum J. O. Sawyer 1968-6-18 224 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  UC1409403  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou near Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  CAS-BOT-BC199480  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River Watershed Comment
  HSC19098  Vaccinium scoparium J. O. Sawyer 1969-8-1 1613 Siskiyou Horseshoe Lake 2073 Comment
  UCD13278  Vaccinium scoparium K. F. Mawdsley 1996-7-9 12 c Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  POM215872  Valerianella olitoria Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  HSC29287  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Pine Lake 1860 Comment
  UCR93365  Verbascum blattaria Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  HSC72504  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4024 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC90873  Veronica catenata L. R. Heckard, Peter Rubtzoff 1971-8-2 2699 Siskiyou Grain field area along Meese Lake-Sams Nech Rd., 2.2 mi. W of Macdoel 1280 Comment
  RSA167160  Veronica triphyllos Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 915 Comment
  RSA29915  Veronica triphyllos Louis C. Wheeler 1935-4-18 3433 Siskiyou Yreka. 823 Comment
  SEINET7367337  Vicia americana G. D. Butler 1910-5-30 1440 Siskiyou Humbug Mountain 1219 Comment
  JEPS66163  Vicia americana var. americana W. L. Jepson 1907-7-19 2943 Siskiyou Head of East Fork Illinois River; Siskiyou Mts. Comment
  RSA12586  Vicia americana var. americana Carl B. Wolf 1934-7-6 6000 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  HSC71649  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4009 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  POM253732  Vicia americana var. americana C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5208 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  NY50659  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and