Search Results — 2000 specimen records retrieved (1387 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
  HSC36700  Abies concolor Brent Whitely 1975-7-3 131 Siskiyou 1220 Comment
  CAS-BOT-BC73484  Abies magnifica W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Comment
  LA6389  Abies magnifica var. shastensis Wm. Bridge Cooke; 1939-8-22 13885 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  CAS-BOT-BC330617  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC331046  Acer glabrum var. glabrum M. S. Baker 1899-8-1 s.n. Siskiyou Ash Creek, East Slope of Mt. Shasta 1981 Comment
  HSC61849  Acer glabrum var. torreyi Ruby Van Deventer 1938-8-5 Siskiyou Poker Flat 1585 Comment
  POM137064  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek. Comment
  CHSC114169  Acer platanoides R. E. Brainerd 2010-8-9 1735 Siskiyou Wed. Highway 97 on north side of railroad crossing. 1048 Comment
  CAS-BOT-BC30428  Achillea millefolium John Thomas Howell 1937-7-23 13345 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC616  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin 1982 Comment
  JEPS37099  Achillea millefolium W. L. Jepson 1940-6-23 20024 Siskiyou n of Mt. Shasta; Andesite sta., n. of Mt. Shasta 975 Comment
  UC890998  Achillea millefolium unknown 1915-7-18 Siskiyou northest base of Mt. Eddy Metcalf's ranch; Mt. Eddy 1188 Comment
  CAS-BOT-BC18866  Achillea millefolium David D. Keck 1938-8-8 4877 Siskiyou Scott Mountain Divide, between Scott Mtn. and Craggy Peak. 1676 Comment
  RSA416236  Achillea millefolium J. P. Smith 1974-5-25 7395 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  HSC4994  Achlys triphylla J. O. Sawyer 1968-9-28 742 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CDA28100  Achnatherum lemmonii J. R. Grisham 1965-5-19 s.n. Siskiyou Yreka. At C.H. Haley property in yard, Rte 1 box 131-A. 0 Comment
  POM115236  Achnatherum lemmonii var. lemmonii Geo D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC210867  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-9 15242 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  UC1133074  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 Siskiyou Grey Butte Dunsmuir Quadrangle Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  SEINET203570  Achnatherum occidentale subsp. pubescens W. B. Cooke 1938-6-24 11068 A Siskiyou Mount Shasta 1524 Comment
  CAS-BOT-BC218018  Achnatherum thurberianum John Thomas Howell 1952-6-14 28352 Siskiyou Serpentine Knoll, 7 miles E of Callahan on road to Gazelle Comment
  UCD103802  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12116 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC100269  Aconitum columbianum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13059 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  SBBG25949  Aconitum columbianum D. Myrick 1966-8-10 1521 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC61662  Aconitum columbianum Geo. B. Grant September 1902 5262 Siskiyou Shasta Springs Mt. Shasta, Shasta Springs 609 Comment
  UC1333335  Aconitum columbianum Dorothy Parker 1949-8-3 355 Siskiyou around edges Paradise Lake; Siskiyou Mts., Salmon Mt., Paradise Lake 1981 Comment
  HSC61887  Aconitum columbianum subsp. columbianum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  RSA211130  Aconitum columbianum var. columbianum William J. Ferlatte 1966-8-3 291 Siskiyou Josephine Lake basin. 1677 Comment
  HSC17539  Aconogonon davisiae Geo. D. Butler 1908-8-5 187 Siskiyou Summit above Cold Spring, Wooly Creek 1829 Comment
  CAS-BOT-BC418819  Aconogonon phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek near head 1828 Comment
  SBBG15821  Actaea rubra D. Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt Shasta 1676 Comment
  JEPS33919  Adenocaulon bicolor George D. Butler 1908-7-20 339 Siskiyou Humbug Creek 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
  SEINET10953807 Image available Adiantum aleuticum Edwin B. Copel 1903-9-6 Copeland 3859 Siskiyou Mt. Eddy. 1463 Comment
  CDA1643  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd, 1 mile east of Montague. 0 Comment
  OBI4708  Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Ca. 4 mi E of Montague Comment
  HSC29324  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; on dry margins of 'Bear Meadow', between English Peak Lookout and Tom Taylor Cabin 1997 Comment
  POM252837  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  HSC58866  Ageratina occidentalis Marvin Butler 1971-8-11 302 Siskiyou Near Copper Camp; close to the town of Cave Junction 1403 Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  HSC92582  Agoseris aurantiaca Jennifer Whipple 1977-8-6 2212 Siskiyou Mt. Eddy; SW of Dobkins Lake along drainage into the lake 2195 Comment
  JEPS35716  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 303 Siskiyou head of, near summit Wooly Creek 1767 Comment
  CAS-BOT-BC21373  Agoseris aurantiaca var. aurantiaca Gilbert Muth 1965-8-12 s.n. Siskiyou Upper meadows of Marble Valley Comment
  CHSC91257  Agoseris grandiflora Lowell Ahart; John Dittes 2005-6-10 12128 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS23680  Agoseris heterophylla var. heterophylla W. L. Jepson 1894-1 Siskiyou Sisson Comment
  UC53885  Agoseris heterophylla var. heterophylla H. M. Hall and E. B. Babcock 1903-6-1 4036 Siskiyou near Dunsmuir; Sierra Nevada Mountains 609 Comment
  CAS-BOT-BC13472  Agoseris retrorsa J. H. Thomas 1954-5-13 4162 B Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE Cecilville. Along Rush Creek. 1127 Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  RSA120644  Agropyron desertorum G. D. Barbe 1955-06 76 Siskiyou 1 1/4 mi E of Etna near junction of West side road and East West road Comment
  UC203919  Agrostis alba Geo. D. Butler 1909-8-16 861 Siskiyou along creek near Yreka Comment
  POM207472  Agrostis hallii W. C. Blasdale, Jos Burtt Davy 1899-7-30 6175 Siskiyou Near Ferndale Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  JEPS88997  Agrostis idahoensis Julie Kierstead 1992-9-5 92063 Siskiyou Modoc National Forest, at e end of Medicine Lake Medicine Lake; Modoc National Forest, Medicine Lake 2042 Comment
  CAS-BOT-BC138928  Agrostis pallens John Thomas Howell 1939-8-9 15210 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC138930  Agrostis pallens Louis C. Wheeler 1934-8-2 3020 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 2072 Comment
  CAS-BOT-BC138935  Agrostis pallens John Thomas Howell 1939-8-9 15213 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC30512  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou Marble Mtn. Wilderness Area, on margins of open areas, inlet to Upper English Lake 1753 Comment
  UC1265312  Agrostis pallens F. W. Oettinger 1969-8-14 1377 Siskiyou inlet to English Lake (margins of open areas); Salmon Mountains 1752 Comment
  CDA28159  Agrostis scabra T. C. Fuller, Don Shaw 1974-9-24 20033 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC30583  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  LA10270  Agrostis stolonifera J. R. Swallen; 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  HSC91585  Agrostis variabilis Jennifer Whipple 1978-10-6 2427 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  CAS-BOT-BC462375  Allium amplectens Milo S. Baker; Douglas Barbe; H. K. Wagnon 1957-6-16 13164 Siskiyou Callahan Trinity Center Rd to Scott Mountains Comment
  SEINET3883864  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Above the dirt rd. running nw. from Hilt, 4.8 mi. nw. of Interstate #5 at the HIlt exit.; 0 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  CAS-BOT-BC469250  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou Ridge just above Grouse Lake (head waters of Grouse Creek) 1737 Comment
  HSC65562  Allium falcifolium Rich White 1977-7-21 136 Siskiyou Between Preston Peak and Raspberry Lake 1814 Comment
  RSA47622  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  HSC22207  Allotropa virgata J. O. Sawyer 1969-6-11 813 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  JEPS59060  Allotropa virgata Willis L. Jepson 1894-8-4 14651 Siskiyou Mt. Shasta Comment
  RSA240085  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Between Chimney Rock and Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1418 Comment
  UC552958  Allotropa virgata W. Bridge Cooke 1936-9-8 Siskiyou on Mount Shasta Mount Shasta Comment
  UC847420  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson Comment
  CAS-BOT-BC169647  Alnus rhombifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Gazelle Comment
  HSC26930  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1971-9-18 4834 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC1045286  Alnus rhombifolia W. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to Box Canyon of the Sacramento (near Mt. Shasta City) Comment
  HSC30341  Alnus rhombifolia Dale R. Gradek 1974-5-25 52 Siskiyou On Rd. 8, 6 mi. from junction of Hwy. 3 and Rd. 8 1585 Comment
  CAS-BOT-BC169386  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Damp meadow, Marble Valley, by waterfall. Marble Mts. 1828 Comment
  CAS-BOT-BC169390  Alnus viridis subsp. sinuata John Thomas Howell 1937-7-24 13395 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC2384  Alnus viridis subsp. sinuata William J. Ferlatte 1966-8-19 436 Siskiyou Kidd Creek trail 1677 Comment
  HSC68440  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-7-4 1389 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC138102  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  CAS-BOT-BC138104  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains. Cottonwood Creek. 838 Comment
  RSA477429  Alyssum alyssoides Edwin Kline 1920-6-24 14849 Siskiyou Siskiyou Mts. Comment
  UC1213791  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou along rd. between Gazelle and Callahan Comment
  UCD20184  Alyssum desertorum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  JEPS54288  Amaranthus albus Geo. D. Butler 1908-8-14 542 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  HSC18539  Amelanchier pallida R. C. Wunner 1965-8-21 466 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC68339  Amelanchier pallida Maralyn A. Renner 1980-6-26 1229 Siskiyou SE edge of Flint Valley. 1390 Comment
  POM148465  Amelanchier pallida J. B. Feudge 1927-7-22 1686 Siskiyou Mt. Shasta City 1098 Comment
  RSA48584  Amelanchier pallida Philip A. Munz 1949-5-18 13308 Siskiyou 14 miles SW of Gazelle on Callahan road. 1463 Comment
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  SEINET3110844  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake. Comment
  CAS-BOT-BC136881  Amelanchier utahensis Ellsworth Bethel 1923-6-18 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136897  Amelanchier utahensis L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC136916  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11889 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  JEPS120214  Amelanchier utahensis Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -078 Siskiyou NW side of Gumboot Lake Comment
  UC454971  Amelanchier utahensis I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 1828 Comment
  POM369883  Amsinckia intermedia Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  SEINET3151698  Amsinckia intermedia G. D. Butler 1910-5-3 1269 Siskiyou Dry land Yuka Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  JEPS20406  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek Siskiyou Mountains, Greenhorn Creek 944 Comment
  CHSC96098  Anemone deltoidea L. P. Janeway 2006-7-3 8758 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  OBI80346  Anemone deltoidea David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  RSA78294  Anemone deltoidea P. A. Munz 1952-7-1 17862 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 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
  UC165301  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mt. 1676 Comment
  SEINET12093424  Anemone lyallii H. P. Chandler 1901-1 1551 Siskiyou near Marble Mountain 1829 Comment
  HSC77077  Anemone multifida var. multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC391980  Anemone occidentalis Robert F. Thorne; Fred Oettinger 1969-8-10 38993 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  SBBG2109  Anemone occidentalis K. K. Muller 1954-6-24 649 Siskiyou summit Salmon Mtn Pass [Etna Summit], 10 mi NE of Idylwild [Idlewild Cmpgrd] 1798 Comment
Read comments
Jan 28 2015
  RSA215648  Anemone occidentalis Gilbert Muth 1969-8-7 1227 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  RSA238273  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Ridge SSE of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2223 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
  UCD127120  Angelica R. Tofsrud 1948-8-1 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Oregon Border. 1524 Comment
  RSA470339  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC38896  Angelica tomentosa J. P. Smith, Steve Selva 1970-7-15 4369 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  CDA38220  Angelica tomentosa T. R. Haig & F. D. Horn 1977-8-16 s.n. Siskiyou Along Grizzly Creek, west of Callahan. 0 Comment
  HSC34298  Angelica tomentosa J. P. Smith, J. O. Sawyer 1973-8-14 7292 Siskiyou W shore of Campbell Lake 1768 Comment
  POM82548  Angelica tomentosa var. tomentosa Geo. D. Butler 1908-8-5 465 Siskiyou Marker Mtn. 2134 Comment
Read comments
Nov 25 2011
  JEPS33938  Antennaria argentea George D. Butler 1909-5-9 700 Siskiyou Yreka Comment
  JEPS33953  Antennaria argentea George D. Butler 1908-6-29 334 Siskiyou Oro Fino Comment
  RSA699536  Antennaria argentea Jenny Marr 1993-07 0134 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  HSC82554  Antennaria dimorpha Thomas W. Nelson, Jane P. Nelson 1979-5-26 4714 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC1035410  Antennaria geyeri David D. Keck 1953-7-31 6534 Siskiyou 3.5 mi s of Grass Lake; Deer Mountain Service Station Comment
  HSC68582  Antennaria howellii Maralyn A. Renner 1980-6-24 1069 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  UC1222877  Antennaria howellii subsp. howellii Joseph P. Tracy 1950-7-20 19206 Siskiyou 5 mi se Elk Valley; Flint Valley 1432 Comment
  HSC27477  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-28 5372 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  JEPS82732  Antennaria racemosa Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  RSA416693  Antennaria racemosa M. B. Dunkle 1944-6-26 9047 Siskiyou Deer Creek. 1829 Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  POM39432  Antennaria rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  HSC67802  Apocynum androsaemifolium J. Sawyer, J. Cole 1980-7-22 3981 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC1409251  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou along Tom Taylor Cabin-English Peak trail Crapo Peak; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2133 Comment
  UC141642  Apocynum androsaemifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 196 Siskiyou Mt. Shasta Comment
  UC618796  Apocynum androsaemifolium unknown 1938-7-22 11327 Siskiyou Mt. Shasta, Sisson Southern Trail Comment
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC166055  Aquilegia formosa Geo. D. Butler 1910-6-17 1576 Siskiyou Humbug Mountain 1219 Comment
  HSC98160  Aquilegia formosa J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  CHSC1431  Aquilegia formosa var. truncata K. Jaekel 1939-6-30 Siskiyou Mt. Shasta 1219 Comment
  HSC6553  Arabis breweri Lincoln Constance, R. C. Rollins 1942-5-13 2910 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  HSC90568  Arabis divaricarpa Jennifer Whipple 1977-8-6 2241 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC95693  Arabis drummondii Juha Pykala, D. H. Norris 1987-7-26 2009 Siskiyou Klamath National Forest, N of Sulphur Springs between Doolittle Creek and Stanza Creek, eastern tributaries of Elk Creek 1372 Comment
  RSA0125752  Arabis glabra C. B. Wolf 1934-7-6 6004 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta Comment
  RSA0125769  Arabis glabra S. O. Mattoon, Ken Hansen 1978-6-17 30 Siskiyou Old Hwy 99E; 5 miles S of I-5 at Siskiyou Summit. 1220 Comment
  RSA482584  Arabis holboellii var. pinetorum B. C. Templeton 1964-6-9 10166 -b Siskiyou Slope of Mt. Shasta Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  CAS-BOT-BC16716  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region. Klamath River 4 miles east of Seiad. 457 Comment
  HSC49944  Arabis modesta G. L. Clifton, Walter Overton 1979-5-28 3453 Siskiyou Near Klamath River, close to the town of Seiad Valley 488 Comment
  HSC92692  Arabis modesta D. L. Goforth 1980-4-26 487 Siskiyou Klamath River at McKinney Creek 537 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  RSA0128992  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC66246  Arabis oregana Maralyn A. Renner 1980-7-28 2151 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC92698  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA0129829  Arabis platysperma var. platysperma Frederick W. Oettinger 1968-8-4 390 -b Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  POM94042  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou Near Yreka. Comment
  UC165380  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek Comment
  HSC3248  Aralia californica C. B. Wolf 1927-8-26 1104 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  RSA138227  Aralia californica P. C. Everett, E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. W from Red Bank F. S. Camp, on road to Somesbar from Sawyers Bar Comment
  CAS-BOT-BC407792  Arceuthobium campylopodum William Bridge Cooke 1938-9-2 11593 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  JEPS84177  Arceuthobium campylopodum L. R. Heckard with J. Hickman 1986-7-17 6489 Siskiyou ca 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station rd to Condrey Mt.) 1480 Comment
  HSC96171  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  SEINET2471244  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-20 2007 -55 Siskiyou On road to Gumboot Lake 1950 Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC24161  Arctostaphylos Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Brushy, sunny, rocky W slope. Comment
  UCD51974  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC39991  Arctostaphylos nevadensis Alice Eastwood 1921-7-24 10764 Siskiyou Castle Lake Comment
  CAS-BOT-BC45439  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  HSC58863  Arctostaphylos nevadensis Marvin Butler 1971-7-6 25 Siskiyou Near El Capitan 1524 Comment
  CAS-BOT-BC46459  Arctostaphylos patula Peter H. Raven 1956-9-5 10471 Siskiyou N. Fork of Sacramento River. 1371 Comment
  CAS-BOT-BC46481  Arctostaphylos patula Doris K. Kildale 1928-7-4 5522 Siskiyou Summit of divide between Salmon River & Scott Valley. Comment
  CAS-BOT-BC46510  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11825 Siskiyou 1 mi. below summit of Gazelle Mt. grade (w. side), Gazelle-Callahan Rd. 1219 Comment
  HSC4926  Arctostaphylos patula J. O. Sawyer 1968-9-9 654 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC6087  Arctostaphylos viscida G. L. Clifton, Griswold 1979-6-27 6087 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  POM77309  Arctostaphylos viscida subsp. viscida Geo D. Butler 1909-4-26 693 Siskiyou Oro Fisco hills. Comment
  RSA237837  Arenaria congesta Frederick W. Oettinger 1969-9-3 1621 Siskiyou North side of Crapo ridge, by trail crossing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SEINET11942770  Arenaria congesta F. W. Hoffman 1950-1 3625 Siskiyou Baldy Mountain, western Comment
  UC1299493  Arenaria congesta var. suffrutescens Freed W. Hoffman 1950-7-14 3625 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) Comment
  RSA237360  Arenaria congesta var. suffrutescens Frederick W. Oettinger 1967-6-24 114 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  RSA30603  Arnica cernua Lincoln Constance, Reed C. Rollins 1942-5-19 s.n. Siskiyou Little Rock Creek, 2 miles SW of O'Brien 488 Comment
  CHSC69067  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1997-7-28 8805 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  POM312501  Arnica chamissonis subsp. foliosa Malcolm A. Nobs, Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC82362  Arnica cordifolia Doris K. Kildale 1929-7-20 8596 Siskiyou South east spur of Preston Peak 1950 Comment
  HSC22148  Arnica cordifolia J. O. Sawyer 1969-6-12 941 Siskiyou On trail to Duck Lakes 1890 Comment
  HSC29303  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area, above English Lake outlet along route from Charmaine to English Lake 1921 Comment
  RSA237480  Arnica cordifolia Frederick W. Oettinger 1969-7-16 1038 Siskiyou SSW of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET6774985 Image available Arnica cordifolia G. D. Butler 1910-4-21 1216 Siskiyou Dry hills Oro Fiero [illegible] Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC1037437  Arnica discoidea Douglas Barbe 1955-7-28 308 Siskiyou 3/4 mi w of Scott Mountain Forest Camp; Klamath Mountains 1645 Comment
  RSA237420  Arnica diversifolia Frederick W. Oettinger 1969-8-19 1441 Siskiyou 1/2 mile NNE of English Peak and within English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS13128  Arnica lanceolata subsp. prima Ruby Van Deventer 1955-8-1 1000 Siskiyou near, close to Del Norte Co line Doe Flat; Del Norte County Line, South Fork Clear Creek 1310 Comment
  HSC22142  Arnica latifolia J. O. Sawyer 1968-6-18 207 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UC609369  Arnica latifolia Eleanor Burks Hart 1938-8-16 916 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC82662  Arnica latifolia Doris K. Kildale 1928-7-4 5641 a Siskiyou 3 miles west of summit between Sawyers Bar & Etna Comment
  UC129423  Arnica latifolia Harley P. Chandler 1901-6-1 1699 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain ((ridges and meadows near Marble Mountain)) 1828 Comment
  CAS-BOT-BC82773  Arnica mollis W. B. Cooke; V. G. Cooke 1946-8-29 17629 Siskiyou along Squaw Creek, Mt. Shasta 2286 Comment
  HSC29297  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; NE-facing slope NW above Upper English Lake 2012 Comment
  JEPS82425  Arnica ovata Gilbert Muth 1966-7-31 476 Siskiyou Black Mt. (n side of) Black Mt., Marble Mt. Wilderness Area 2057 Comment
  CAS-BOT-BC90082  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  UC1408803  Arnica viscosa Robert F. Thorne and Fred Oettinger 1969-8-10 39010 Siskiyou Mt. Shasta (s slope), above ski lodge Mt. Shasta National Forest, Mt. Shasta 2438 Comment
  HSC76860  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  JEPS93949  Artemisia cana subsp. bolanderi Vernon H. Oswald and Lowell Ahart 1998-9-16 9628 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  JEPS106483  Artemisia douglasiana J. K. Nelson 2004-8-29 2004 -95 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  CAS-BOT-BC90475  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Dampland, Yreka Comment
  RSA186323  Artemisia douglasiana Gilbert Muth 1966-10-16 10 Siskiyou Marble Mountains 1793 Comment
  UC710446  Artemisia ludoviciana subsp. incompta John Thomas Howell 15146 Siskiyou Marble Mts., Black Mt. Comment
  CDA10177  Artemisia tridentata F. D. Horn 1977-10-5 Siskiyou Approximately 12 miles northeast of Weed; Shasta Vista Estates. 0 Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  UC637064  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  CAS-BOT-BC400598  Asarum caudatum Wm. Bridge Cooke 1942-6-7 16008 Siskiyou Along Wagon Creek, near Mt. Shasta City Comment
  RSA598718  Asarum caudatum R. S. Woglum 1938-8-28 2077 Siskiyou Siskiyou Mountains, Bear Basin. Comment
  CAS-BOT-BC400702  Asarum hartwegii Wm. Bridge Cooke 1938-6-24 11105 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC400704  Asarum hartwegii John Thomas Howell 1937-7-26 13542 Siskiyou Caribou Gulch Comment
  HSC58844  Asclepias cordifolia Marvin Butler 1971-7-12 118 Siskiyou Near Copper Creek, close to the town of Cave Jct. 1464 Comment
  UCD77362  Asclepias cordifolia Robert E. Preston 2002-6-21 1879 Siskiyou Klamath National Forest, Rainbow Mountain, S slope. 1819 Comment
  POM130031  Asclepias fascicularis E. B. Copeland 1903-7-4 3558 Siskiyou Klamathon Comment
  SEINET3158835  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  CAS-BOT-BC69559  Aspidotis densa L. E. Smith 1913-7-12 476 Siskiyou Mt. Eddy. Comment
  SEINET3868734  Aspidotis densa M. L. Conrad, Morris; Kenney 1973-6-3 7016 Siskiyou Matthew's Creek Campground on south fork of Salmon River.; 0 549 Comment
  UC1242059  Aspidotis densa Don Branscomb 1958-7-22 Siskiyou NE Siskiyou Co Comment
  UCD137313  Aspidotis densa Dorothy Tebbe 1929-6-7 142 Siskiyou Mt. Eddy. Comment
  RSA44885  Aster ledophyllus J. C. Roos 1948-9-1 3949 Siskiyou Pass southwest of Etna Comment
  POM58124  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC178808  Astragalus californicus J. K. Nelson; Rhonda Posey; Mary Ellen Colberg; Twyla Miller 2006-5-19 2006 -014 Siskiyou North side of Mt. Shasta, south of Hwy. 97, Hotlum Fire area, Juniper Flat 7.5 minute quadrangle, 716-4, 1992. 1100 Comment
  RSA111033  Astragalus curvicarpus R. C. Barneby 1954-5-18 11504 Siskiyou 2.5 miles N of Gazelle. Alt. 2750 feet. Comment
  CAS-BOT-BC186919  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou SE. corner of Siskiyou Co. Comment
  CAS-BOT-BC192915  Astragalus purshii var. lectulus J. P. Moore 629 Siskiyou Shasta Valley Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  POM16071  Astragalus purshii var. tinctus E. B. Copeland 1903-7-6 7964 Siskiyou Hornbrook. Comment
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Jan 23 2011
  HSC41795  Asyneuma prenanthoides Brent Whiteley 1975-6-22 37 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  HSC35795  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-18 171 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC66196  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-1 1685 Siskiyou Shackleford Creek 1219 Comment
  RSA482804  Athysanus pusillus L. C. Wheeler 1934-6-9 2675 Siskiyou Hungry Creek, Siskiyou Mts. Mt. Diablo Meridian. 1098 Comment
  JEPS90600  Atriplex truncata Dean W. Taylor 1987-8-9 9294 Siskiyou along Hwy 161 (Oregon border) 8.3 mi w from Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  CDA10485  Balsamorhiza hookeri F. D. Horn 1978-4-27 Siskiyou End of Litchens Road, Montague. 0 Comment
  CAS-BOT-BC100063  Balsamorhiza lanata Geo. D. Butler 1959-4-14 635 Siskiyou hills, Yreka Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  CDA3608  Barbarea vulgaris G. L. Fehlman 1960-5-3 4139 Siskiyou Spearin Ranch, Hornbrook. 0 Comment
  UC718153  Berberis aquifolium var. aquifolium Carl B. Wolf 1934-7-5 5973 Siskiyou 7 mi from Oak Knoll Ranger Station (on Klamath River, on rd to Dry Lake Lookout); Siskiyou Mts 1371 Comment
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Mar 29 2012
  HSC65094  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6419 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC65095  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6399 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC65305  Berberis aquifolium var. repens J. P. Smith 1976-5-21 8772 Siskiyou F.S. Rd. 40N08, 10.8 mi. from its junction with S.R. 3. 1280 Comment
  CAS-BOT-BC75726  Berberis nervosa Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  CAS-BOT-BC75944  Berberis piperiana Mrs. H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mount Eddy. 11 miles northwest of Mount Shasta City. About 2 miles east of Burney Mill. 1127 Comment
  HSC100791  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the W edge of the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  JEPS117473  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 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
  HSC65144  Betula occidentalis J. P. Smith, J. O. Sawyer 1972-5-28 5369 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  HSC68580  Betula occidentalis Maralyn A. Renner 1980-6-23 972 Siskiyou W Fork Seiad Creek 878 Comment
  UC198713  Betula occidentalis Annie M. Alexander and L. Kellogg 1911-6-13 130 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC227789  Betula occidentalis Elmer I. Applegate 1895-5-28 635 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC127947  Blepharipappus scaber A. M. Vollmer; L. Beane 1951-5-31 21 Siskiyou On scree near highway, Scott Mountain Comment
  HSC68501  Blepharipappus scaber Maralyn A. Renner 1980-6-22 908 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC1213857  Blepharipappus scaber Jean Langenheim 1957-5-19 4346 Siskiyou at intersection of Miners Creek road and Tiger Creek road Comment
  UC595077  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou near Mill Creek (on hillside .4 mi s of Scott Mt. Lodge, Scott Mts.); Scott Mts. 1036 Comment
  OBI55409  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  RSA0125481  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA0125963  Boechera Elmer I. Applegate 1932-6-13 7239 Siskiyou Captain Jack s Stronghold, Modoc Lava Beds Comment
  CAS-BOT-BC15791  Boechera acutina John Thomas Howell 1937-7-23 13373 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC15797  Boechera acutina Alice Eastwood 1912-8-30 1963 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC16149  Boechera covillei R. E. Frenkel 1963-7-13 248 Siskiyou Mount Shasta, vicinity of rain guage below Horse Camp. 2255 Comment
  CHSC33172  Boechera pauciflora R. E. Preston 1981-5-2 55 Siskiyou On s side of Irongate Reservoir, ca. 200 m n of Sentinel Rocks; ca. 32 km ne of Yreka. 717 Comment
  CAS-BOT-BC14094  Boechera pauciflora Elmer I. Applegate 1935-6-2 9274 Siskiyou Lava Beds National Monument. Indian Well Ranger Station. Comment
  CAS-BOT-BC14463  Boechera platysperma Alice Eastwood 1921-7-28 10897 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  UC165313  Boechera retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
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Jan 23 2011
  SEINET3166094  Boechera rollei P. J. Alexander 2008-7-24 871 -A, B Siskiyou Below the Pacific Crest Trail on the W side of Lilypad Lake, +-0.55 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1768 Comment
  CAS-BOT-BC25730  Boechera sparsiflora Ira L. Wiggins 1955-7-22 13446 -A Siskiyou In South Fork of Salmon River, above Cecilville 9.5 miles. 1066 Comment
  SEINET3132241  Boechera sparsiflora G. D. Butler 1910-5-21 1382 Siskiyou Klamath hils Comment
  SEINET3166347  Boechera subpinnatifida P. J. Alexander, C. D. Bailey 2009-4-2 979 -A, F Siskiyou Klamath National Forest, 4.6 miles SW of central Yreka, E side of Mill Creek Rd., 1.0 miles NE of the junction with Soap Creek Ridge Rd. 1274 Comment
  CAS-BOT-BC25866  Boechera subpinnatifida Dorothy Parker 1947-3-30 164 Siskiyou East side of Scott Valley near Harstrand Gulch. 868 Comment
  CAS-BOT-BC25917  Boechera suffrutescens John Thomas Howell 1939-8-2 14941 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC418453  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou Along Thompson Creek, 3.5 mi. Above S Fork of Salmon River 1371 Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  UC455379  Boykinia major I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); , near Sisson Comment
  CAS-BOT-BC418455  Boykinia major Doris K. Kildale 1928-7-3 5458 Siskiyou 9 miles east of Forks of Salmon on North Fork Salmon River Comment
  UC637046  Brassica rapa Annetta Carter 1934-8-13 710 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  HSC42934  Brickellia californica Ken Stillman 1976-8-24 434 Siskiyou Along Klamath River at Williams Point. 366 Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  SEINET10570660  Brodiaea George D. Butler 1910-5-27 Butler 1415 Siskiyou Wet meadow Shasta Valley Comment
  SEINET10533785  Brodiaea crocea George D. Butler 1910-5-5 Butler 1287 Siskiyou Humbug Mountain Comment
  SEINET10533843  Brodiaea multiflora Edward L. Greene 1876-6-5 Greene 822 Siskiyou Collected near Yreka, Calif. Comment
  CHSC61559  Bromus carinatus var. carinatus L. P. Janeway 1983-9-11 683 Siskiyou Siskiyou Mountains; at Poker Flat. In the middle of the lower part of the meadow. 1524 Comment
  CAS-BOT-BC148796  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14930 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC116238  Bromus carinatus var. marginatus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16229 Siskiyou Shasta-Trinity National Forest, south of Mount Shasta itself, on road 40N88 at its junction with 41N31, 3.5 miles by road north of Highway 89. 1596 Comment
  HSC76729  Bromus carinatus var. marginatus K. T. Stillman 1976-8-8 393 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  UCD59192  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-25 843 Siskiyou Near Yreka. Comment
  HSC9169  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Cottonwood Creek. 915 Comment
  SEINET14341973  Bromus diandrus R. E. Frenkel 1963-1 236 Siskiyou W. of Everitt Memorial Hwy, 1.7 mi N of McCloud River RR Crossing, near Mount Shasta. 1291 Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  JEPS94892  Bromus japonicus Vernon H. Oswald and Lowell Ahart 1998-7-21 9326 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake 1524 Comment
  CAS-BOT-BC162138  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mount Eddy. Comment
  JEPS80603  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains Wilderness Area, Marble Valley Marble Valley; Marble Mountains Wilderness Area, Marble Valley 1798 Comment
  CAS-BOT-BC161629  Bromus sterilis Isabelle C. Kimber 1934-6-9 9 Siskiyou Mount Shasta north slope. 1219 Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  HSC36759  Bromus tectorum J. P. Smith 1974-5-25 7408 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC36781  Bromus tectorum J. P. Smith 1974-5-27 7625 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA238387  Calamagrostis canadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1184 Siskiyou north of Tobacco Lake. Salmon Mountain; The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC185267  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  UC1265349  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 772 Siskiyou nw slope of ridge above Tobacco Lake; Salmon Mountains 2011 Comment
  CHSC118255  Callitriche palustris R. E. Brainerd; N. Otting 2013-7-12 2187 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  JEPS42838  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou near Oro Fino Comment
  HSC61966  Callitropsis nootkatensis Al Hobart 1961-7-20 Siskiyou Preston Peak 2134 Comment
  HSC69144  Calocedrus decurrens Maralyn A. Renner 1980-8-8 2473 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC92674  Calocedrus decurrens Jennifer Whipple 1977-8-5 2191 Siskiyou Slopes near Little Crater Lake 2195 Comment
  NY18935  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 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
  SEINET10531061  Calocedrus decurrens Jeffrey Huber 1971-6-9 Huber 269 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  UCD139508  Calochortus elegans John M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3712 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  SEINET12053885  Calochortus elegans var. nanus H. P. Chandler 1901-1 1646 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  CAS-BOT-BC483440  Calochortus macrocarpus Peter H. Raven 1956-8-11 10067 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 97 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
  HSC44990  Calochortus nudus J. P. Smith, Steve Selva 1970-7-27 4521 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS124744 Image available Calochortus nudus B. Corwin 1964-7-1 125 Siskiyou Rich soil on east side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  CAS-BOT-BC132456  Calochortus persistens Frank Callahan 2007-6-18 s.n. Siskiyou Little Cottonwood Peak. Ca. 13 miles south of the Oregon State Line Comment
  CAS-BOT-BC494021  Calochortus tolmiei Doris K. Kildale 1928-4-14 4596 Siskiyou Klamath River at Somes Bar Comment
  CAS-BOT-BC181519  Caltha leptosepala Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC64343  Caltha leptosepala J. P. Smith, Steve Selva 1970-7-17 4456 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC165316  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou near Greenview Comment
  RSA789267  Calycadenia truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 miles west of Gazelle on the Gazelle-Callahan Road, south of Yreka. 950 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  HSC40876  Calyptridium umbellatum J. O. Sawyer 1973-7-17 2547 Siskiyou Along trail above Wild Lake 1921 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  POM224484  Camissonia tanacetifolia subsp. tanacetifolia L. S. Rose 1936-7-28 36710 -A Siskiyou Mt. Hebron 1298 Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  SEINET10840344  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou NR KUNTZ CR, SEIAD V. QUAD, NR SEIAD VALLEY 6001', FOREST FLOOR, COBBLY SOIL Comment
  UC1258468  Campanula prenanthoides John Palmer 1980-8-12 682 Siskiyou se Wards Gap; Condry Mtn. Quad. 1188 Comment
  SEINET10840321  Campanula prenanthoides Oettinger 1969-8-5 OETTINGER 1198 Siskiyou On southeast-facing slope along trail between Abbott's upper Cabin and English Lake, just above "Willow Springs" 1676 Comment
  SEINET10972062  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-7-16 Smith, Jr. 4396 Siskiyou BLUE MOUNTAIN DOUGLAS-FIR FOREST. T46N R12W SEC. 35 Comment
  JEPS82114  Campanula scouleri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7453 Siskiyou about 13 airline mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou cty boundary (ridge top) dividing Indian Creek drainage from Illinois River, leading to Twin Vly) Comment
  SEINET10463782  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10463790  Campanula scouleri Ground 1970-7-22 GROUND 685 Siskiyou Preston Peak, Klamath National Forest: Raspberry Creek. Montane coniferous forest. 1494 Comment
  JEPS53833  Campanula shetleri Wayne Roderick 1967-9-1 Siskiyou Little Castle Lake; n-facing granite cliffs 1828 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  UC1258461  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek Coffee Creek Quad. 2042 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
  SFV1452  Cardamine D. Parker 1958-5-25 642 Siskiyou Summit of Scott Cut. 1631 Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  HSC41072  Cardamine californica J. O. Sawyer 1970-4-3 2057 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  SEINET5341066  Cardamine nuttallii G. Butler 1910-4-1 1152 Siskiyou Humbug Mt. on shady slopes. Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  RSA237249  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou West shore of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC17967  Carex angustata L. E. Smith 1914-5-12 691 Siskiyou Sisson. Comment
  RSA757863  Carex atherodes P. F. Zika 2009-8-16 24601 Siskiyou Forest Servic eRoad 46N04, about 1 air mile south of Juanita Lake. 1540 Comment
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  SEINET7484332 Image available Carex bolanderi Barbara L. Wilson, Richard E. Brainerd 2003-1 10929 Siskiyou road 48N20 between Seiad Valley and Cook and Green Pass; Klamath National forest. 1158 Comment
  CAS-BOT-BC19651  Carex brainerdii William Bridge Cooke 1939-8-10 13819 Siskiyou Mount Shasta. In the bed of Mud Creek Canyon. 1828 Comment
  CAS-BOT-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  UC195520  Carex feta Geo. D. Butler 1909-6-13 807 Siskiyou Oro Fino Comment
  CAS-BOT-BC20751  Carex fracta Rimo Bacigalupi 1959-7-1 7209 Siskiyou Western Slopes at broadening base of Mt. Shasta. 1676 Comment
  HSC68516  Carex hassei Maralyn A. Renner 1980-6-26 1172 Siskiyou Flint Valley. 1390 Comment
  JEPS117731  Carex hystericina Robert E. Preston 2008-5-15 2633 Siskiyou ca. 2 mi N of, along Hwy 96 Somes Bar; Davis Creek 228 Comment
  SEINET10916252  Carex illota Louis C. Wheeler 1935-7-26 Wheeler 3720 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. 1951 Comment
  JEPS25936  Carex inops subsp. inops B. C. Goldsmith 1916-6-22 2 Siskiyou SE of Mount Shasta, Pilgrim Creek, McCloud Flat. Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  CHSC96014  Carex integra L. P. Janeway 2006-7-3 8775 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  CHSC98564  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7715 Siskiyou Bog along west side of Gumboot Lake in woods. 1859 Comment
  CDA33095  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  SEINET7563602 Image available Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. Deadman Peak 7.5' quad. 1579 Comment
  CAS-BOT-BC28430  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM173648  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Shackleford Creek. 1220 Comment
  RSA237293  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-8-1 341 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  POM211466  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  SEINET7566381 Image available Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  RSA237330  Carex luzulina var. ablata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1292 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA237379  Carex mariposana Frederick W. Oettinger 1968-8-10 458 Siskiyou Trail from base camp to Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  CHSC96143  Carex mertensii L. P. Janeway 2006-7-1 8718 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC29631  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1883 Comment
  CAS-BOT-BC32004  Carex multicaulis George Dexter Butler 1909-5-30 856 Siskiyou Humbug Mountain. Comment
  JEPS63686  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain 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
  POM79951  Carex multicaulis E. B. Copeland 1903-8-15 2380 Siskiyou Mt. Shasta. 2134 Comment
  CAS-BOT-BC32283  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin. 1920 Comment
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CHSC99473  Carex nebrascensis Barbara L. Wilson; Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  JEPS101086  Carex nervina Dean W. Taylor 1987-8-5 9222 Siskiyou Tate Creek, at crossing of Forest Road 36N06 1484 Comment
  JEPS113332  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. Comment
  CAS-BOT-BC119678  Carex nervina William Bridge Cooke; V. G. Cooke 1976-10-23 53980 Siskiyou In wet meadow, Wagon Camp, Mt. Shasta. 1737 Comment
  CHSC40159  Carex nudata L. P. Janeway 1983-7-2 355 Siskiyou Along northwest shore of Klamath River ca 1 mile west of Seiad Creek. 411 Comment
  UC144464  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and upper Soda Spring Comment
  CAS-BOT-BC119477  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53432 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 990 Comment
  CAS-BOT-BC119208  Carex pachystachya Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  HSC60837  Carex pachystachya Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC55221  Carex pachystachya H. M. Hall and E. B. Babcock June 1903 4063 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta; Sisson, Mt. Shasta, Siskiyou Co., Sierra Nevada Mts. 1066 Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  LA17779  Carex phaeocephala J. W. Stacey; 1939-7-26 13756 Siskiyou Mount Shasta, along the Summit Trail in the vicinity of Lake Helen 3047 Comment
  UC144465  Carex praegracilis A. A. Heller 1905-6-20 8072 Siskiyou Gazelle Comment
  CAS-BOT-BC118788  Carex preslii R. Tallent 1987-8-13 917 Siskiyou Klamath National Forest, Forest Rd 39N11, ca 1/2 way between hwy and Little Jackson Cr. 1645 Comment
  CAS-BOT-BC118216  Carex rossii John Thomas Howell; Gordon H. True 1972-6-8 48857 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  HSC76835  Carex rostrata L. P. Janeway 1982-8-21 166 Siskiyou SE facing slope in Twin Valley 1524 Comment
  HSC76827  Carex scabriuscula L. P. Janeway 1982-8-14 137 Siskiyou Just E of Elk Wallow 1646 Comment
  UC922504  Carex scopulorum var. bracteosa Annie M. Alexander and Louise Kellogg 1949-7-28 5885 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  CHSC113797  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountian. Klamath Range. (KR) 1000 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117254  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  CHSC106463  Carex spectabilis Peter F. Zika 2009-8-16 24608 Siskiyou Cascade Range Highlands (CaRH). Near Road A10 (Everett Memorial Highway), Panther Meadows, S slope of Mt. Shasta, along creek. 2280 Comment
  CAS-BOT-BC117236  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 2011 Comment
  HSC30553  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC30556  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  RSA238925  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Slope southeast of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  JEPS40878  Carex straminiformis Paul C. Hutchison 1962-8-2 929 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  SEINET4152285  Carex straminiformis Unknown 1939-8-6 15108 Siskiyou Elk Mountain, Marble Mountains Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  SEINET10736305 Image available Cassiope mertensiana subsp. ciliolata Edwin B. Copel 1903-8-18 Copeland 3898 Siskiyou Mt. Eddy. 2591 Comment
  CHSC36159  Castilleja angustifolia K. Bridwell 1978-7-6 168 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. MDM. 1645 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
  JEPS23769  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6826 Siskiyou just n and below Scott Mountain road summit; Scott Mountain 1615 Comment
  JEPS24243  Castilleja applegatei subsp. pinetorum Douglas Barbe 1959-7-4 521 Siskiyou about 4 mi sw Big Flat Camp (n shore of Caribou Lake); Klamath National Forest, Caribou Lake 2103 Comment
  SBBG40131  Castilleja applegatei subsp. pinetorum C. B. Hardham 1961-6-30 8029 Siskiyou near Mud Spring Comment
  UC922377  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1949-7-22 5845 Siskiyou trail to Kings Castle; Marble Mountains, Paradise Lake 2072 Comment
  CAS-BOT-BC94481  Castilleja applegatei subsp. pinetorum R. C. Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the N, heading towards Mt. Shasta 2029 Comment
  CAS-BOT-BC243754  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC243771  Castilleja applegatei var. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC243752  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-6-22 8036 Siskiyou WEst base of Black Butte near Mt. Shasta Comment
  HSC69263  Castilleja arachnoidea J. O. Sawyer 1980-7-20 3734 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  SEINET13737231  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  HSC61963  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak Comment
  RSA237567  Castilleja arachnoidea Frederick W. Oettinger 1967-8-4 270 Siskiyou Trail from English Peak Lookout on southwest ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  UCD122129  Castilleja arachnoidea A. H. Murphy 1958-8-6 58 -F Siskiyou Big Meadows, Marble Mts. 2346 Comment
  RSA215641  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1969-8-6 1209 Siskiyou Boulder Peak. 2530 Comment
  HSC89867  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou Big Bear Flat, 5 mi. SE of Bartle 1220 Comment
  CAS-BOT-BC252477  Castilleja miniata Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC69304  Castilleja miniata Maralyn A. Renner 1980-7-24 1985 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  JEPS23291  Castilleja miniata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7260 Siskiyou Poker Flat 1536 Comment
  UC1408802  Castilleja miniata Robert F. Thorne and Fred Oettinger 1969-8-10 28968 Siskiyou Panther Creek Meadows Mt. Shasta National Forest, Mt. Shasta (s slope of Mt. Shasta) 2194 Comment
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  JEPS80488  Castilleja pruinosa Gilbert Muth 1966-7-14 394 A Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  HSC76645  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS97798  Castilleja tenuis J. Greenhouse with John Game, Mary Simpson 2000-7-15 5009 Siskiyou 4 mi NNW of Callahan (On N side of Tiger Creek Rd. 0.7 mi W of jct. with Sugar Cr. Rd); Klamath National Forest 1146 Comment
  CAS-BOT-BC48647  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 mi. E. of McCloud on Calif. Highway #89 1219 Comment
  JEPS42356  Ceanothus cordulatus Willis L. Jepson July 1894 14010 Siskiyou near Mt. Shasta (Sisson) Comment
  UC79966  Ceanothus cordulatus T. S. Brandegee 1889-7-1 Siskiyou Sisson Comment
  RSA399045  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UC585100  Ceanothus cuneatus var. cuneatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1893 Siskiyou ca 2 mi s Yreka 822 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
  CAS-BOT-BC52122  Ceanothus prostratus L. E. Smith 1913-5-12 201 Siskiyou Dunsmuir Comment
  HSC99929  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-7-31 13347 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  POM85302  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest Foothills. Comment
  UC79810  Ceanothus prostratus Katharine Brandegee July 1889 71 Siskiyou Sisson's Comment
  CAS-BOT-BC53085  Ceanothus prostratus W. R. Dudley 1899-8-14 s.n. Siskiyou Pig Creek Hill, near McCoud Comment
  JEPS109713  Ceanothus pumilus Dean W. Taylor 2002-7-20 18269 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  JEPS42104  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Mt. Comment
  UC909375  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou ca 1.5 mi e Scott Mountain Road; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  JEPS74494  Ceanothus velutinus W. J. Ferlatte 1966-6-23 148 Siskiyou Big Flat Trinity Alps (near a public camp) 1524 Comment
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May 9 2008
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA463117  Ceanothus velutinus S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  SD98973  Ceanothus velutinus D. F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta 1463 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  RSA398980  Ceanothus velutinus Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  CAS-BOT-BC52840  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson, along the Mt. Shasta trail at perhaps 5000 feet 1524 Comment
  CDA36863  Centaurea diffusa D. B. Joley 1976-6-24 5 A Siskiyou Lake Siskiyou. 0 Comment
  CAS-BOT-BC106027  Centaurea virgata subsp. squarrosa R. E. Frenkel 1964-7-14 685 Siskiyou On a southern shoulder of Everitt Memorial Highway just east of a point 3.7 miles north of McCloud River RR crossing. 1493 Comment
  UC1727931  Centaurium Eva Grotkopp 1997-8-2 Siskiyou along Canal Gulch Rd. near Hawkinsville (near garbage dump, nw of Yreka,) 1000 Comment
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Oct 16 2014
  CAS-BOT-BC384969  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  CDA3353  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B.M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  UC1777715  Cerastium dichotomum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  UC956839  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-8-26 8291 Siskiyou w Tule Lake; w of Tule Lake Comment
  RSA138253  Cercis occidentalis Percy C. Everett, E. K. Balls 1959-10-24 23946 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  CAS-BOT-BC135402  Cercocarpus betuloides var. betuloides Carl B. Wolf 1927-8-26 1032 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  HSC68509  Cercocarpus ledifolius Maralyn A. Renner 1980-6-9 840 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CAS-BOT-BC148515  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  HSC27460  Cercocarpus montanus var. macrourus J. P. Smith, J. O. Sawyer 1972-5-28 5385 Siskiyou Salmon River at bridge west of O'Farrill Gulch 549 Comment
  CAS-BOT-BC276767  Chaenactis douglasii var. douglasii Alice Eastwood 1921-7-25 10816 Siskiyou Bigelows, McCloud River Comment
  UC1408798  Chaenactis douglasii var. douglasii Robert F. Thorne and Fred Oettinger 1969-8-10 38996 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest (above ski-lodge) 2377 Comment
  UC30998  Chaenactis douglasii var. douglasii T. H. Gilbert June 15 1899-July 15, 1899 Siskiyou Scott River Valley Comment
  RSA183660  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 216 Siskiyou Front slope of Black Mt., Marble Mts. Comment
  JEPS8879  Chaenactis suffrutescens W. L. Jepson 1907-7-4 2809 Siskiyou Scott Valley Comment
  UC1303146  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou a short distance from Castle Crags (near Castle Lake, n source of the Sacramento River); Sacramento River, Castle Lake Comment
  UCR142986  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  RSA59508  Chamaebatiaria millefolium E. K. Balls 1950-5-16 14706 Siskiyou Caldwell Caves, Lava Beds National Monument. 1524 Comment
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  CHSC64  Chamaecyparis lawsoniana K. Jaekel 1939-7-1 Siskiyou Near Dunsmuir. 609 Comment
  RSA571805  Chamaesyce serpillifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou Along the Memorial Highway, Mt. Shasta. 1372 Comment
  CDA30924  Chamaesyce serpillifolia subsp. serpillifolia M. Beyers, G. F. Hrusa 2010-8-18 705 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UC583154  Chamaesyce serpyllifolia Lewis S. Rose 1936-7-29 36702 Siskiyou Shasta Springs 762 Comment
  HSC96826  Chamerion angustifolium subsp. circumvagum S. Lyon 2006-7-18 11 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  UC454600  Chamerion angustifolium subsp. circumvagum I. J. Condit 1911-7-3 Siskiyou along river Sacramento River, Shasta Retreat Comment
  CAS-BOT-BC68243  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC373  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS74470  Cheilanthes gracillima W. J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake basin Trinity Alps, Josephine Lake basin 1676 Comment
  UC71530  Cheilanthes gracillima Harley P. Chandler June, 1901 1614 Siskiyou ridges and meadows near Marble Mt; North Coast Ranges 2133 Comment
  UCR30511  Cheilanthes gracillima John C. Roos 1948-9-1 3947 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  JEPS85081  Chenopodium W. B. and V. G. Cooke with Ted Graves 1988-8-29 64227 Siskiyou along Andesite Rd (Shasta NF FS-11) Mount Shasta, Shasta National Forest (n side of mt) 1463 Comment
  HSC92339  Chenopodium atrovirens Jennifer Whipple 1977-8-6 2215 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainade into the lake. 2287 Comment
  RSA45491  Chenopodium vulvaria J. C. Roos 1948-9-1 3985 Siskiyou Fort Jones. Comment
  RSA624501  Chenopodium vulvaria L. C. Wheeler 1935-7-20 3668 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC451439  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  UC585193  Chimaphila menziesii E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1992 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  CAS-BOT-BC452282  Chimaphila umbellata John Thomas Howell 1937-7-26 12559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC452266  Chimaphila umbellata W. R. Dudley 1907-8-24 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC452284  Chimaphila umbellata Annie M. Alexander; Louise Kellogg 1948-9-8 5598 Siskiyou Siskiyou Mountains, East side, top of grade between Sawyers Bar and Etna 1737 Comment
  UC722298  Chimaphila umbellata C. L. Hitchcock and J. S. Martin 1939-7-8 5300 Siskiyou ca. 15 mi. n. Happy Camp (on Happy Camp-Takilma Hwy.) 914 Comment
  CDA1896  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. 0 Comment
  CAS-BOT-BC39667  Chorispora tenella David E. Bayer 1960-5-27 s.n. Siskiyou Ca. 0.25 mile south of road. In (west) ca. 1 mile on road originating at US highway 97. 1280 Comment
  UCD114614  Chorispora tenella David E. Bayer 1960-5-27 s.n. Siskiyou along irrigation ditch 0.25 mile south of road; in (west) ca. 1 mile on road originating at U.S. Highway 97, ca. 1 mile south of Macdoel and running around Meiss Lake, Butte Valley. 1280 Comment
  RSA697616  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  CAS-BOT-BC36239  Chrysolepis sempervirens C. H. Merriam 1898-9-28 s.n. Siskiyou Sisson Comment
  HSC4937  Chrysolepis sempervirens J. O. Sawyer 1968-7-23 574 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC618841  Chrysolepis sempervirens unknown 1938-7-22 11330 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UCD110140  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou From south side of Mt. Shasta. 914 Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  SEINET11860560  Chrysothamnus nauseosus subsp. albicaulis J. P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine, Salmon Mountains 1219 Comment
  JEPS15736  Cicuta douglasii Willis L. Jepson July, 1894 14230 Siskiyou Mount Shasta, Sisson, Camp 1 Sisson; Mount Shasta, , Camp 1 Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  CDA38294  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC19167  Cinna latifolia J. O. Sawyer 1969-8-3 1791 Siskiyou Along C.C.C. road 1524 Comment
  HSC19172  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-24 1516 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  RSA211353  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  RSA211364  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  RSA237259  Circaea alpina subsp. pacifica Frederick W. Oettinger 1967-6-28 132 Siskiyou Kelly Gulch, tributary of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 677 Comment
  CAS-BOT-BC285344  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Between Callahan and Scott Mountain 1524 Comment
  UC336877  Cirsium andersonii unknown 336877 Siskiyou near Sissoon Comment
  CAS-BOT-BC278043  Cirsium cymosum Alice Eastwood 1923-5-29 12001 Siskiyou Cantara Comment
  HSC81847  Cirsium cymosum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6089 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC92675  Cirsium cymosum Jennifer Whipple 1976-7-2 1269 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  CAS-BOT-BC278066  Cirsium douglasii var. breweri Grant 1902-9-10 5149 Siskiyou Sisson Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  POM53737  Cirsium douglasii var. breweri E. B. Copeland 1903-8-14 3934 Siskiyou Sisson 1067 Comment
  CAS-BOT-BC288779  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 8 miles from Sawyer's Bar on road to Cecilville 792 Comment
  RSA0070872  Cirsium remotifolium David J. Keil, Kathleen Keil, Mary Faustini 1990-7-28 s.n. Siskiyou Klamath National Forest. Marble Mountain Wilderness, Rye Creek Trail. Comment
  OBI54126  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  CAS-BOT-BC439045  Cistanthe monosperma L. E. Smith 1913-7-12 463 Siskiyou Weed Comment
  CAS-BOT-BC172044  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end Little Shasta Valley, 12 mi. NE Weed on U.S. Highway #97 at junction with road to Montague 914 Comment
  SJSU11000  Clarkia lassenensis J. W. Tilden 1958-6-26 1271 Siskiyou near Monument Hedquarters, Lava Beds National Monument Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC54446  Clarkia lassenensis H. M. Hall and E. B. Babcock June, 1903 4174 Siskiyou Fall River Springs Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC163456  Clarkia purpurea subsp. quadrivulnera W. B. Cooke; V. G. Cooke 1972-6-30 45411 Siskiyou Military Pass Road above Andesite Crossing, Mt. Shasta Comment
  UC922368  Claytonia cordifolia Annie M. Alexander and Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  UC1112868  Claytonia lanceolata H. K. Wagnon and Douglas Barbe 1957-6-16 13132 Siskiyou Scott Mt. 1920 Comment
  UC163722  Claytonia perfoliata subsp. intermontana Geo. D. Butler 1908-8-2 66 Siskiyou Shackleford Creek Comment
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC41078  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-3 2053 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  CAS-BOT-BC443822  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  CAS-BOT-BC443824  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou Between/near Dunsmuir and Upper Soda Spring Comment
  HSC78205  Claytonia sibirica L. P. Janeway 1983-8-6 500 Siskiyou Poker Flat 1524 Comment
  HSC4465  Claytonia sibirica William J. Ferlatte 1967-6-5 490 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  RSA710970  Claytonia sibirica K. L. Chambers 1984-6-10 5138 Siskiyou Mt. Shasta City, Big Springs at the city park towards N end of city, W of old Hwy Comment
  UC375266  Clematis ligusticifolia Geo. D. Butler 1908-7-30 526 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC500956  Clintonia uniflora L. E. Smith 1913-6-12 359 Siskiyou Road from Sisson to Castle Lake Comment
  RSA68875  Clintonia uniflora A. E. Culbertson 1943-7-1 81 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  POM258052  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  SBBG106808  Collinsia linearis R. Olmstead 1983-7-11 468 Siskiyou Etna summit, ca. 20 mi W of Etna; T41N, R10W, S15 1792 Comment
  JEPS66321  Collinsia parviflora L. R. Heckard with T. I. Chuang 1971-6-16 2585 Siskiyou ca 2 mi n Weed (along US Hwy 97) 1066 Comment
  HSC29392  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Salmon Mts., Upper English Lake 1677 Comment
  HSC69373  Collinsia parviflora J. O. Sawyer, J. Cole 1980-7-19 3677 Siskiyou Near FS Rd. 45N0 2018 Comment
  JEPS7273  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  HSC27468  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  UC537993  Collomia heterophylla Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek Siskiyou Mts. 1097 Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC30430  Collomia tinctoria Frederick W. Oettinger 1969-7-11 969 Siskiyou Marble Mtn. Wilderness Area, along trail between English Lake and Diamond Lake 1890 Comment
  RSA758586  Collomia tinctoria R. F. Thorne 1969-8-2 63392 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  HSC30497  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Marble Mtn. Wilderness Area, along main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin Comment
  RSA0124650  Collomia tracyi D. H. Wilken, E. Painter 1976-7-17 12710 Siskiyou Along road between Cicilville & Callahan, near confluence of Sixmile Creek & Salmon River. 1280 Comment
  CAS-BOT-BC180418  Comandra umbellata subsp. californica Alice Eastwood 1912-7-23 1315 Siskiyou Dunsmuir Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  UC4413  Corallorhiza maculata W. H. Brewer 1862-9-16 1412 Siskiyou Mount Shasta 1828 Comment
  UC1409485  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou steep wsw slope nne Pine Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  HSC19267  Corallorhiza mertensiana J. O. Sawyer 1968-6-25 327 Siskiyou 1646 Comment
  RSA758225  Corallorhiza mertensiana Robert F. Thorne 1969-8-2 63321 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SEINET8733336 Image available Cordylanthus pilosus var. bolanderi Herbert L. Mason 1950-1 14064 Siskiyou 5 miles south of summit of road from Happy Camp, California, to Waldo, Oregon Comment
  SEINET3864279  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5 (I-5).; 0 774 Comment
  SD129738  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction dried vernal meadow W of road 1372 Comment
  JEPS74930  Cordylanthus tenuis subsp. viscidus T. I. and F. M. Chuang 1975-7-21 7545 Siskiyou s side Dunsmuir 762 Comment
  RSA0019560  Cornus californica C. B. Wolf 1934-7-6 5988 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  HSC65078  Cornus glabrata J. P. Smith, Steve Selva 1970-6-15 3937 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC642549  Cornus nuttallii W. Bridge Cooke 1939-8-4 13804 Siskiyou along the Sisson Southern Trail Mt. Shasta Comment
  SBBG5317  Cornus nuttallii J. M. Tucker 1947-5-17 154 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  CAS-BOT-BC210409  Cornus sericea Doris K. Kildale 1928-7-4 5466 Siskiyou 3 miles west of Summit on Sawyers Bar - Etna Mills road Comment
  CAS-BOT-BC210427  Cornus sericea Alice Eastwood 1921-7-24 10726 Siskiyou Castle Lake Comment
  CAS-BOT-BC212151  Cornus sericea William A. Dayton 1913-6-14 8257 Siskiyou On banks of Rail Creek, Shasta Forest 1341 Comment
  SJSU2549  Cornus sericea subsp. sericea H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  CDA4036  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  HSC19044  Crepis acuminata J. O. Sawyer 1969-6-12 918 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS36411  Crepis acuminata W. L. Jepson 1937-7-30 18533 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  UC895309  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  CAS-BOT-BC299653  Crepis monticola Geo. D. Butler 1910-5-1 148 Siskiyou Near Yreka Comment
  UC91844  Crepis occidentalis T. S. Brandegee Siskiyou Ager Comment
  HSC29230  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-13 1031 Siskiyou Salmon Mtns.; between English Peak and 'Bear Meadow Comment
  UC581295  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1938 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  CAS-BOT-BC290878  Crepis pleurocarpa Alice Eastwood 1921-7-24 10780 Siskiyou Castle Lake Comment
  CAS-BOT-BC290865  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  CAS-BOT-BC376470  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E. White Mt. 1920 Comment
  JEPS84309  Crepis pleurocarpa L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6355 Siskiyou ca 7 mi nne Seiad Valley (sw of Cooke and Greene Pass, ca 1/2 mi se of Red Butte) 1730 Comment
  POM211803  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  RSA215644  Crepis pleurocarpa Gilbert Muth 1969-8-7 1256 Siskiyou Boulder Peak Ridge. 2470 Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  UC78394  Cryptantha affinis Katharine Curran Jul 1887 Siskiyou Sisson's Comment
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  RSA245263  Cryptantha milobakeri Carl W. Mize 1972-6-8 19 Siskiyou Forks of Salmon quad. 335 Comment
  UC133720  Cryptantha simulans A. A. Heller 1905-6-15 8035 Siskiyou near Sisson Comment
  RSA211488  Cryptogramma acrostichoides William J. Ferlatte 1966-6-22 118 Siskiyou Josephine Lake basin 1677 Comment
  SEINET9628241 Image available Cryptogramma cascadensis W. B. Cooke 1941-1 16304 Siskiyou Scattered through the lava slopes above Horse Camp, Mt. Shasta. 2515 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-BC80555  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou Northwest slope of [Goose Nest] Goosenest, East of Yreka 1828 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  POM11470  Cupressus bakeri Geo D. Butler 1910-7-4 s.n. Siskiyou Goosenest Mt. 1220 Comment
  RSA22759  Cupressus bakeri O. V. Matthews 1939-7-18 36 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  RSA352343  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC1409233  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou sse of Tom Taylor Cabin (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  HSC77760  Cuscuta suksdorfii L. P. Janeway 1983-8-16 547 Siskiyou Poker Flat 1524 Comment
  RSA17701  Cycladenia humilis Elmer I. Applegate 1935-6-10 s.n. Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  UC1586896  Cycladenia humilis var. humilis Juha Pykala and D. H. Norris 1987-8-7 2408 Siskiyou Jot Dean Ice Cave 1700 Comment
  CDA38228  Cymopterus terebinthinus CDFA Staff 1959-6-5 s.n. Siskiyou Edgewood; Clint Jackson farm. 0 Comment
  JEPS39354  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  CHSC63601  Cynoglossum officinale Vernon H. Oswald; Lowell Ahart 1994-8-10 6458 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. In meadow border and roadsides. 1359 Comment
  JEPS64084  Cyperus bipartitus Mrs. B. C. Goldsmith 1916-9-20 25 Siskiyou Sisson Comment
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  CAS-BOT-BC70715  Cystopteris fragilis John Thomas Howell 1989-8-3 14975 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC49467  Damasonium californicum Vernon Oswald 1986-5-29 2070 Siskiyou Hwy 97 between Dorris and Macdoel, 46.3 mi ne of Weed. 1219 Comment
  UCD60516  Danthonia californica R. Tofsrud 1948-8-3 s.n. Siskiyou Poker Flat, near Del Norte Co. border. Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 Comment
  JEPS83990  Danthonia unispicata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6391 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CHSC118612  Danthonia unispicata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016013 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  CAS-BOT-BC76232  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  CHSC29775  Darlingtonia californica M. S. Taylor; W. Roderick, B. Williams 1980-5-4 2786 Siskiyou Bog around Cedar Lake, peat mounds at lake edge an ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  OBI55413  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  OBI55458  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  RSA422668  Darlingtonia californica Christopher Davidson 1975-6-5 2676 Siskiyou 3.3 miles from gate on special service road branching to SE of road from Gazelle to Callahan 9.3 miles W of Gazelle; Klamath Nat'l Forest. 1623 Comment
  SEINET5728399 Image available Darlingtonia californica Lowell E. Urbatsch, Vensa Karaman 2000-1 7696 Siskiyou Collected along Road 17, 8.8 mi. SW from the jct. of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UCD168822  Darlingtonia californica Barry Rice 2015-8-14 BR 150801 Siskiyou Southwest shore of Castle Lake. 1660 Comment
  SEINET10480116  Darlingtonia californica Mary Susan Taylor 1980-6-23 Taylor 2942 Siskiyou T39N R5W sw sec 28 Dunsmuir quad; Shasta Trinity Natl Forest. Soapstone Gulch, on E side of Rd 39N45, ca. 2 mi S of its jct with Hwy 26, ca. 8 mi SW of Mt Shasta City. With B. Williams. (Meadows 0.3, .55 and .05 mi from end of road have Darlingtonia). 1676 Comment
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC420664  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC420662  Darmera peltata L. E. Smith 1942-5-13 155 Siskiyou Dunsmuir Comment
  POM266003  Darmera peltata Lincoln Constance, Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Protugese Creek. 4 miles E of Thompson Creek. 457 Comment
  HSC100270  Dasiphora fruticosa J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13064 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  POM208256  Daucus pusillus L. C. Wheeler 1934-6-2 2609 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC8968  Delphinium depauperatum Lillian Mott 1976-7-14 4 OLM76 Siskiyou Vicinity of Lily Pad Lake, ca. 3 mi. west of Cook and Green Pass 2011 Comment
  HSC69421  Delphinium glaucum John Palmer 1980-8-13 772 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS24033  Delphinium glaucum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6897 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  JEPS80580  Delphinium glaucum Gilbert Muth 1965-8-2 144 Siskiyou Marble Valley, Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC9886  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9484 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  UC1334524  Delphinium nudicaule G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 19 Siskiyou e-facing slope Caldwell Butte 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
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  HSC77027  Delphinium nuttallianum K. T. Stillman 1976-6-25 50 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  HSC81749  Delphinium nuttallianum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6193 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  POM207176  Deschampsia elongata E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy; On a creek bank 1372 Comment
  RSA238399  Deschampsia elongata Frederick W. Oettinger 1969-8-22 1502 Siskiyou South side of Horse's Hole near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1024735  Deschampsia elongata Leo Whitney 1934-6-29 3045 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  UC157089  Deschampsia elongata Dr. E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy 1371 Comment
  UCD63489  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3435 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  SEINET7073596  Descurainia incisa A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  CHSC33173  Descurainia pinnata subsp. halictorum R. E. Preston 1981-5-2 57 Siskiyou S side of Irongate Reservoir, ca. 32 km ne of Yreka. 732 Comment
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  CAS-BOT-BC402475  Dicentra formosa subsp. formosa L. E. Smith 1913-4-24 100 Siskiyou Castle Crags Station Comment
  HSC635  Dicentra pauciflora William J. Ferlatte 1967-6-29 574 Siskiyou Yellow Rose Mine 1982 Comment
  HSC5957  Dieteria canescens var. canescens D. M. Thomson 1965-8-21 202 Siskiyou California Lava Beds National Monument; 1/2 mi. N of Devil's Homestead Lava Flow Comment
  CAS-BOT-BC291023  Dieteria canescens var. shastensis John Thomas Howell 1934-7-4 12391 Siskiyou Se. corner of Siskiyou Co. Comment
  OBI55452  Dieteria canescens var. shastensis David J. Keil 1992-7-20 23509 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 8.2mi W of Scott river Rd Comment
  CAS-BOT-BC153734  Diplacus nanus A. M. Vollmer; L. Beane 1951-5-31 14 Siskiyou Near highway, Scott Mountain Comment
  CDA6684  Dipsacus fullonum J. R. Grisham 1958-1 2241 Siskiyou Ft. Jones. 0 Comment
  RSA577801  Disporum hookeri var. hookeri Louis C. Wheeler 1934-8-10 3104 Siskiyou Siskiyou Mountains, Jaynes Canyon 1128 Comment
  CAS-BOT-BC136091  Dodecatheon alpinum Harley P. Chandler 1901-6-1 1572 Siskiyou Ridges and meadows near Marble Moutnain 1828 Comment
  HSC19278  Dodecatheon alpinum J. O. Sawyer 1968-6-25 325 Siskiyou Along Horse Range Creek 1829 Comment
  UC1037375  Dodecatheon alpinum Douglas Barbe 1955-7-6 126 Siskiyou se end of Taylor Lake , se end of Taylor Lake (Salmon Mountains) 1950 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  POM76574  Dodecatheon hendersonii Geo. D. Butler 1230 Siskiyou Pine woods, Quartz Valley Comment
  HSC383  Dodecatheon jeffreyi William J. Ferlatte 1966-8-5 358 Siskiyou Caribou Mtn. 2561 Comment
  HSC96876  Dodecatheon jeffreyi Gordon Leppig 1998-7-10 918 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA211273  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  JEPS14471  Downingia montana W. L. Jepson 1940-7-3 20099 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS124627 Image available Downingia montana B. Wenegrat 1969-7-10 67 Siskiyou 1 mile SE of Bartle on H. 89. Comment
  HSC44974  Draba howellii J. O. Sawyer, E. Cope 1977-6-20 2974 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  RSA183729  Draba pterosperma Gilbert Muth 1965-8-4 170 Siskiyou Marble Mountains, Marble Valley Comment
  UC722618  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5317 Siskiyou King's Castle Comment
  JEPS60249  Draperia systyla L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2315 Siskiyou Near Fall Creek Inn along Gilman Road, between Sacramento and McCloud arms of Shasta Lake 396 Comment
  UC455949  Draperia systyla I. J. Condit 1911-7-7 Siskiyou Shasta Retreat, along Rail Road 1066 Comment
  HSC74867  Drymocallis glandulosa J. P. Smith, Jennifer Whipple 1978-7-2 9987 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  CAS-BOT-BC159435  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1928-7-2 5375 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC527347  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC159288  Drymocallis lactea var. lactea Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  HSC61164  Drymocallis lactea var. lactea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC76877  Drymocallis lactea var. lactea K. T. Stillman 1976-8-8 400 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  HSC43054  Dryopteris arguta Ken Stillman 1976-8-24 445 Siskiyou E and N slopes of Williams Point 366 Comment
  HSC42935  Dysphania botrys Ken Stillman 1976-8-24 435 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  OBI80338  Elatine chilensis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 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
  HSC30717  Eleocharis bella Frederick W. Oettinger 1968-9-3 673 Siskiyou Marble Mtn. Wilderness Area, N side of Horse Range Lake 1822 Comment
  RSA577567  Eleocharis bella L. C. Wheeler 1935-7-20 3677 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  JEPS109699  Eleocharis decumbens Dean W. Taylor 2002-7-20 18263 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 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. 777 Comment
  RSA184708  Elyhordeum macounii Gilbert Muth 1966-8-5 502 Siskiyou Meadow on Black Mountain Trail, Marble Mountains 1799 Comment
  POM359909  Elymus X hansenii M. B. Dunkle 1945-1 9321 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC197117  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-3 1632 Siskiyou Goosenest foothills 1219 Comment
  UC1024710  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-20 2134 Siskiyou 35 mi sw Tennant; Shasta National Forest 1524 Comment
  HSC30696  Elymus elymoides var. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  HSC48284  Elymus glaucus J. O. Sawyer, K. T. Stillman 1978-7-6 3303 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC76714  Elymus glaucus K. T. Stillman 1976-7-30 346 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley. 1829 Comment
  HSC76862  Elymus glaucus K. T. Stillman 1976-9-9 481 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  RSA238401  Elymus glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou North end of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC206592  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206594  Elymus glaucus subsp. glaucus John Thomas Howell 1937-7-21 13167 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC206606  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  RSA603760  Elymus lanceolatus L. C. Wheeler 1935-6-30 3627 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  HSC32484  Elymus spicatus J. P. Smith, Steve Selva 1970-7-28 4530 Siskiyou South Fork of Sacramento River 1128 Comment
  HSC102715  Elymus stebbinsii J. P. Smith 2013-6-18 13748 Siskiyou Along Copco Road west of its junction with Age Road. 650 Comment
  HSC9739  Elymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River 518 Comment
  HSC16333  Epilobium brachycarpum D. M. Thomson 1965-7-31 159 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  HSC69568  Epilobium ciliatum subsp. ciliatum Maralyn A. Renner 1980-8-6 2269 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS39271  Epilobium ciliatum subsp. ciliatum Willis L. Jepson Jul 24 1894-Aug 10 1894 14450 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC1191709  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-25 8286 Siskiyou w side Tule Lake Comment
  RSA211361  Epilobium ciliatum subsp. ciliatum William J. Ferlatte 1966-8-2 226 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  RSA424894B  Epilobium ciliatum subsp. ciliatum S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  RSA264969  Epilobium ciliatum subsp. glandulosum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC2070529  Epilobium ciliatum subsp. glandulosum Barbara Ertter 1990-7-14 9352 Siskiyou Just N of road fork on FR 40N234 ca. 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 air miles W of Mt. Shasta City. Comment
  UC642587  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13718 Siskiyou meadow at Bear Springs Mount Shasta Comment
  HSC29130  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-8-22 1493 Siskiyou Salmon Mtns., N side of Horse's Hole near Horse Range Lake 1829 Comment
  UC61667  Epilobium densiflorum Geo. B. Grant Sept. 1902 5078 Siskiyou Sisson Mt. Shasta 914 Comment
  CAS-BOT-BC94897  Epilobium glaberrimum subsp. fastigiatum R. C. Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2164 Comment
  UC1034571  Epilobium glaberrimum subsp. glaberrimum Douglas Barbe 1955-7-26 282 Siskiyou n slope Klamath Mountains, Scott Mountain 1920 Comment
  HSC91952  Epilobium hallianum Jennifer Whipple 1976-7-8 1347 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  JEPS109653  Epilobium hallianum Dean W. Taylor 2002-6-29 18202 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  HSC49639  Epilobium hornemannii subsp. hornemannii J. P. Smith, Steve Selva 1970-6-16 4068 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  POM259013  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15434 Siskiyou Mount Shasta: Along Squaw Valley Creek 2287 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  SEINET3149901  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC57808  Equisetum laevigatum W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC204512  Eragrostis cilianensis Saxton; Canfield 1922-7-21 45 Siskiyou Klamath National Forest. Rainey Ranch Comment
  CAS-BOT-BC174101  Eremogone aculeata John Thomas Howell 1939-8-2 14916 a Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC4916  Eremogone congesta J. O. Sawyer 1968-6-25 298 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC99824  Eremogone congesta G. L. Clifton, Terry Griswold 1979-6-28 6106 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC168327  Eremogone congesta var. congesta Doris K. Kildale 1928-7-4 5483 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  CHSC102561  Ericameria bloomeri L. P. Janeway 2009-8-4 9892 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
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  RSA78947  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18174 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  HSC5325  Ericameria nauseosa D. M. Thomson 1965-7-31 160 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  HSC46938  Ericameria nauseosa var. speciosa William J. Ferlatte 1976-9-22 1853 Siskiyou Grouse Ridge along Yellow Rose Mine Trail 1860 Comment
  JEPS80484  Ericameria nauseosa var. speciosa W. B. and V. G. Cooke 1976-10-24 54051 Siskiyou along Bolam Road Mt. Shasta 1524 Comment
  JEPS41564  Erigeron bloomeri Geo. D. Butler 1909-5-10 699 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC294898  Erigeron cervinus K. T. Stillman 1976-9-9 471 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  RSA59500  Erigeron chrysopsidis subsp. austiniae E. K. Balls 1950-5-17 14717 Siskiyou 1 mile N of road branching to Black Crater, Lava Beds National Monument 1402 Comment
  CAS-BOT-BC297105  Erigeron compositus Wm. Bridge Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou West side of Mud Creek Canyon, Mount Shasta 3048 Comment
  CAS-BOT-BC297185  Erigeron concinnus var. concinnus Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  SD88299  Erigeron filifolius Darley F. Howe 1972-7-8 4879 Siskiyou 9.5 miles north of Weed on Highway 97. 1160 Comment
  UC895897  Erigeron inornatus var. inornatus Alice Eastwood 1912-7-15 1118 Siskiyou McCloud Comment
  POM56541  Erigeron inornatus var. inornatus E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon. Comment
  RSA93122  Erigeron inornatus var. inornatus F. W. Peirson 1923-7-20 3876 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  CAS-BOT-BC295458  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  UC556436  Erigeron linearis R. D. Roseberry 1936-5-21 Siskiyou 1 mi ne Whitney Butte; Modoc Lava Beds 1447 Comment
  CAS-BOT-BC295803  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  CAS-BOT-BC300093  Erigeron philadelphicus H. A. Thomas; J. H. Thomas 1954-7-21 4395 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  HSC68087  Erigeron philadelphicus J. P. Smith, Steve Selva 1970-6-16 4040 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC300289  Erigeron strigosus var. strigosus Francia Chisaki; Helen Sharsmith 1960-8-20 4739 Siskiyou Inner North Coast Ranges. On Wildcat Creek road ca. 4 miles west of Callahan 1066 Comment
  CAS-BOT-BC224137  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  UC144188  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  UCSB14917  Eriodictyon californicum 1962-6-11 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  HSC67049  Eriogonum compositum J. P. Smith 1976-5-22 8779 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  RSA739627  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 a Siskiyou Klamath Ranges, Siskiyou Mtns, crest of the Mtn 2.1 air km NE of Condrey Mtn. 2115 Comment
  HSC43405  Eriogonum douglasii var. douglasii K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  CAS-BOT-BC261229  Eriogonum hirtiflorum W. B. Cooke; V. G. Cooke 1966-7-16 37214 Siskiyou Above Bolam Station, Mt. Shasta 1524 Comment
  UC1408822  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou ridge between English Peak Diamond Lake; Salmon Mountains, Marble Mountains Wilderness Area, High Lak 2072 Comment
  CAS-BOT-BC33575  Eriogonum marifolium L. E. Smith 1913-8-12 517 Siskiyou McCloud Comment
  HSC26560  Eriogonum marifolium J. P. Smith, J. O. Sawyer 1972-8-20 5752 Siskiyou Slope of Mt. Hoffman 2134 Comment
  CAS-BOT-BC263180  Eriogonum marifolium var. cupulatum Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mount Shasta. Horse Camp Flats Comment
  CAS-BOT-BC263185  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-29 10982 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC263183  Eriogonum marifolium var. cupulatum Mrs. H. C. Cantelow 1939-6-10 s.n. Siskiyou McCloud 991 Comment
  CAS-BOT-BC261617  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CHSC99701  Eriogonum nudum var. nudum L. P. Janeway 2008-7-24 9490 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  HSC19505  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-7 1075 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC19504  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-3 1056 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC43404  Eriogonum nudum var. nudum K. T. Stillman 1976-7-21 278 Siskiyou Marble Mtn. Wilderness Area, ridge from Back Mtn. to Jump Off Point 2043 Comment
  JEPS56652  Eriogonum nudum var. nudum W. L. Jepson 1914-8-13 5788 Siskiyou Lessin 1097 Comment
  CAS-BOT-BC272471  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou South bank of the Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  CAS-BOT-BC272500  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-14 2720 Siskiyou 3 miles south of Hornbrook 914 Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  POM165266  Eriogonum nudum var. pubiflorum E. B. Copeland 1903-7-3 3526 Siskiyou Klamathon. Comment
  CAS-BOT-BC383120  Eriogonum pyrolifolium Andrew Townesmith; Karen M. Meyer 2007-7-30 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  JEPS109881  Eriogonum pyrolifolium var. pyrolifolium Dean W. Taylor 2005-8-16 19458 Siskiyou Mt. Shasta; slopes between Brewer Creek and Ash Creek 2346 Comment
  UCD100863  Eriogonum pyrolifolium var. pyrolifolium Jack Major 1961-7-14 650 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  RSA120632  Eriogonum spergulinum var. reddingianum G. D. Barbe 1955-7-17 207 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  RSA215654  Eriogonum sphaerocephalum Gilbert Muth 1969-8-6 1194 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC262728  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1913-7-1 446 Siskiyou Hilt Comment
  SEINET11261409  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren, James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed.; 0 1341 Comment
  UC164466  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler May 10 1909-Jun 6 1909 721 Siskiyou Yreka Comment
  RSA734379  Eriogonum strictum subsp. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna Mills and Ft. Jones. Comment
  CAS-BOT-BC262759  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka 807 Comment
  HSC17425  Eriogonum strictum var. greenei Dorothy Parker 1949-6-30 326 Siskiyou Along Kidder Creek, Scott Valley 857 Comment
  JEPS56462  Eriogonum strictum var. proliferum Geo. D. Butler 1908-8-6 211 Siskiyou trail beyond Whiskey Camp; Independence Creek, Whiskey Camp 1676 Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  CAS-BOT-BC267950  Eriogonum umbellatum Elmer I. Applegate 1935-6-11 9503 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC267955  Eriogonum umbellatum Doris K. Kildale 1929-8-23 9055 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  HSC65577  Eriogonum umbellatum R. White 1977-7-7 111 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  SD76184  Eriogonum umbellatum var. argus Helen V. Witham 1969-10-6 554 Siskiyou Dry slope above Kangaroo Lake, Scott Mountains 2400 Comment
  UC909319  Eriogonum umbellatum var. argus Dorothy Parker 1948-8-16 182 Siskiyou near summit of Salmon Mountain 1813 Comment
  CHSC71493  Eriogonum umbellatum var. dumosum Vernon H. Oswald; Lowell Ahart 1998-7-21 9320 Siskiyou Hwy. 97 at the 11.0 mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  UC849589  Eriogonum umbellatum var. dumosum A. A. Heller 1938-7-13 15271 Siskiyou just s Bray 1402 Comment
  UC55525  Eriogonum umbellatum var. nevadense Harley P. Chandler June, 1901 1670 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  POM165414  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  RSA11905  Eriogonum umbellatum var. speciosum Elmer I. Applegate 1923-9-7 3961 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  HSC30681  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  OBI80237  Eriophyllum lanatum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  SEINET7073526  Eriophyllum lanatum A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC301125  Eriophyllum lanatum var. achilleoides Copeland 1903-7-6 3549 Siskiyou Hornbrook Comment
  UC90308  Eriophyllum lanatum var. achilleoides T. S. Brandegee 1887-7-1 Siskiyou Montague Comment
  CAS-BOT-BC301120  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 84 Siskiyou 1 mile south of Hornbrook Comment
  HSC2272  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mt. 1067 Comment
  RSA48585  Eriophyllum lanatum var. achilleoides P. A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle. Comment
  RSA75642  Eriophyllum lanatum var. achilleoides Albert M. Vollmer, L. Beane 1951-6-2 40 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CHSC99704  Eriophyllum lanatum var. lanceolatum L. P. Janeway 2008-7-24 9486 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  HSC74872  Eriophyllum lanatum var. lanceolatum J. P. Smith, Jennifer Whipple 1978-7-2 9972 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  POM30095  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-12 298 Siskiyou Humbug Mountain. 1220 Comment
  POM358044  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-1 9058 Siskiyou Smoky Creek Comment
  SD53407  Eriophyllum lanatum var. lanceolatum Darley F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp. 550 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  JEPS24799  Eryngium articulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6808 Siskiyou ca. 3 mi. n.w. Weed (head of Shasta Valley) 975 Comment
  UC1559630  Eryngium articulatum Beth Corbin 1989-8-8 530 Siskiyou ca. 15 air mi. n. Fall R. Mills (Adobe Flat); Adobe Flat 1097 Comment
  CAS-BOT-BC55109  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  CAS-BOT-BC55114  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34276 Siskiyou North side of Mount Shasta. East side of Bolam Canyon. 2438 Comment
  UC722224  Erysimum perenne C. L. Hitchcock and J. S. Martin 1939-7-9 5313 Siskiyou w side of ridge between King's Castle and Black Mt. 1828 Comment
  HSC6767  Erysimum repandum R. C. Wunner 1965-6-22 267 Siskiyou California Lava Beds National Monument, 1 mi. NW of Stronghold (Capt. Jacks) 1220 Comment
  RSA211424  Erythranthe pulsiferae William J. Ferlatte 1967-6-30 586 Siskiyou Along the south fork of the Salmon River between the campground and Carter's 1524 Comment
  CAS-BOT-BC403675  Eschscholzia californica Doris K. Kildale 1929-5-26 9197 Siskiyou Salmon River at Hawkins Bar 609 Comment
  CAS-BOT-BC403670  Eschscholzia californica D. M. Traugh 1933-5-31 78 Siskiyou Klamath National Forest Comment
  RSA238773  Eucephalus engelmannii Frederick W. Oettinger 1968-8-16 548 Siskiyou Along trail on NW side of Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1936 Comment
  SBBG25832  Eucephalus ledophyllus D. Myrick 1966-8-13 1556 Siskiyou Union Crk, near Mountain Meadow Ranch, Big Flat; Trinity Alps 2011 Comment
  HSC22133  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1682 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC61162  Euphorbia crenulata W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson Mount Shasta (by railroad track) Comment
  CDA35309  Euphorbia spathulata J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  CHSC268  Eurybia integrifolia V. Holt 1943-8-14 Siskiyou Marble Mountains. 1219 Comment
  JEPS31925  Eurybia radulina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento, Mt. Shasta Comment
  UC163861  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC278740  Festuca idahoensis Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  HSC74870  Festuca idahoensis J. P. Smith, Jennifer Whipple 1978-7-2 9970 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC77105  Festuca idahoensis K. T. Stillman 1976-8-7 177 Siskiyou Marble Mtn. Wilderness Area. Comment
  UC1483422  Festuca idahoensis John Palmer 1980-8-15 1023 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1463 Comment
  HSC73227  Festuca occidentalis Gail Newton 1980-6-20 537 Siskiyou Near Bald Mtn. 1326 Comment
  UC1034046  Festuca pratensis W. Bridge Cooke 1941-7-18 16056 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UC70746  Festuca pratensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCR64442  Festuca pratensis L. C. Wheeler 1934-6-22 2750 Siskiyou Siskiyou Mtns., Cottonwood Creek 915 Comment
  SEINET239083 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-2 BLM 8123 Siskiyou Klamath National Forest ; Road cut where old highway intersects modern one, on Hwy 3 6.7 miles by road southwest of the Yreka city limits at road marker 003/SIS/40. 1128 Comment
  HSC30647  Festuca rubra Frederick W. Oettinger 1969-9-2 1585 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  SBBG82381  Festuca rubra C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  CAS-BOT-BC278637  Festuca subulata W. R. Dudley 1901-8-23 s.n. Siskiyou Salmon Mountains Comment
  RSA211179  Fragaria californica William J. Ferlatte 1966-6-22 110 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  HSC69376  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-19 3680 Siskiyou Near FS Rd. 45N0 2018 Comment
  UCD112752  Frangula californica subsp. occidentalis K. M. Meyer; A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Road 17, off U.S. Hwy 97. 1350 Comment
  CAS-BOT-BC60010  Frangula purshiana Wm. F. Herrin 1920-1-1 s.n. Siskiyou Shasta Springs. Comment
  SEINET7417474 Image available Frangula purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  CAS-BOT-BC55722  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 mi. No. of Mt. Shasta City on the Pacific Highway 1219 Comment
  SEINET10495780  Frasera albicaulis David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17939 Siskiyou 9 mi N of Weed, on US Hwy 97, at Whitney Creek. Sw-facing slope; volcanic (pumice) some sedimentary loamy soil; assoc. with Pinus ponderosa, Artmisia, Bromus, and Arctostaphylos. 1250 Comment
  SEINET8584493  Frasera albicaulis var. nitida L. C. Wheeler 1934-6-21 2742 Siskiyou Siskiyou Mountains, West Fork Cottonwood Creek. 1372 Comment
  POM208196  Frasera albicaulis var. nitida Louis C. Wheeler 1934-6-21 2742 Siskiyou West Fork Cottonwood Creek, Siskiyou Mountains. 1372 Comment
  CHSC2273  Fritillaria atropurpurea M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 Comment
  HSC39326  Fritillaria atropurpurea J. P. Smith 1974-5-26 7378 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC429285  Fritillaria atropurpurea Annie M. Alexander and L. Kellogg 1911-6-17 151 Siskiyou Jackson Lake Comment
  RSA237917  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-2 369 Siskiyou Minor peak north of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2098 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  UCD139666  Fritillaria atropurpurea J. M. Tucker; L. K. Mann 1963-7-7 3721 Siskiyou ca. 1/4 mile down the trail (north of) from the lake. Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  HSC36945  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  RSA256611  Fritillaria recurva J. P. Smith 1974-5-25 7435 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  JEPS25596  Galium aparine Rimo Bacigalupi 1959-7-2 7228 Siskiyou just s Trinity Co. boundary (<Co. boundary is low divide separating Coffee Creek drainage from that of the Salmon River>); Caribou Mtn., Salmon River, Coffee Creek, Big Flat Campgroun 1508 Comment
  SBBG25844  Galium aparine D. Myrick 1966-8-13 1553 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1524 Comment
  UC1258453  Galium aparine Maralyn A. Renner 1980-6-25 1115 Siskiyou West Fork of Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  JEPS25629  Galium bifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7267 Siskiyou Poker Flat 1536 Comment
  HSC67749  Galium bolanderi John Palmer 1980-8-15 1005 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  JEPS26667  Galium bolanderi Lauramay T. Dempster 1961-7-3 1876 Siskiyou se Callahan (w face of mt.); Scott Mtn. Comment
  JEPS18603  Galium bolanderi Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5962 Siskiyou about 3 1/2 mi below (ne) Gumboot Lake; Canyon of South Fork of Sacramento River 1402 Comment
  JEPS52697  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6138 Siskiyou 4.7 mi sw Callahan (on road to Cecilville, s-facing slope) Comment
  RSA67150  Galium bolanderi Louis C. Wheeler 1934-8-30 3228 Siskiyou Trapper Creek. Siskiyou Mts. 1585 Comment
  SBBG18757  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou Scott River near Mill Crk 1219 Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  UCR47924  Galium californicum D. L. Koutnik, Martha Townsend 1979-9-10 s.n. Siskiyou SW of Etna, near Etna Bridge 1067 Comment
  HSC69163  Galium glabrescens Maralyn A. Renner 1980-8-8 2469 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SEINET1910268  Galium glabrescens Barbara Ertter 1990-1 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 fairmiles W of Mt. Shasta City. 1890 Comment
  HSC25488  Galium glabrescens subsp. glabrescens J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5716 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA165559  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-7-3 8073 Siskiyou Scott Mountain south of Calahan. Comment
  HSC90861  Galium mexicanum var. asperulum Stanton Cook 1958-8-17 842 Siskiyou McCloud River, 3 mi. above confluence of Mud Creek Comment
  SBBG18747  Galium serpenticum C. B. Hardham 1961-7-3 8115 Siskiyou Scott River, SW of Calahan Comment
  CAS-BOT-BC223195  Galium serpenticum subsp. scotticum Alice Eastwood; John Thomas Howell 1937-6-25 5021 Siskiyou Scott Mts. south of Callahan Comment
  HSC81550  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6158 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  JEPS6561  Galium trifidum var. pacificum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  HSC60825  Galium triflorum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  HSC19066  Galium triflorum J. O. Sawyer 1969-7-26 1587 Siskiyou Along Sugar Creek 1707 Comment
  RSA629725  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC182279  Garrya fremontii Doris K. Kildale 1928-7-4 5520 Siskiyou Summit of divide between Salmon River & Scott Valley on Sawyers Bar - Etna Mills road Comment
  HSC27761  Garrya fremontii J. P. Smith, J. O. Sawyer 1972-9-13 5792 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  HSC36708  Garrya fremontii Brent Whitely 1975-7-5 141 Siskiyou 213 Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  CHSC88383  Gayophytum diffusum subsp. parviflorum Jenny Marr 1993-7-1 142 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC422805  Gayophytum diffusum subsp. parviflorum H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  HSC29480  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Salmon Mtns., above Willow Spring on English Lake Trail 1677 Comment
  RSA34680  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke, V. G. Cooke 1946-9-2 17645 Siskiyou At Horse Camp, Mount Shasta 2439 Comment
  POM258616  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15343 Siskiyou Mount Shasta: Along the Sisson Southern Trail near MacBride Springs. 1524 Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS80657  Gayophytum humile W. B. and V. G. Cooke 1970-7-21 42679 Siskiyou Horse Camp Mt. Shasta Comment
  HSC68049  Gentiana calycosa J. P. Smith, Steve Selva 1970-7-18 4496 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  SEINET10741189  Gentiana calycosa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 878 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
  RSA392179  Gentiana calycosa M. B. Dunkle 1945-1 9349 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC123925  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  UC1483482  Gentiana newberryi Maralyn A. Renner 1980-8-19 2483 Siskiyou s side Caribou Lake; Klamath National Forest, Coffee Creek Quad. 2103 Comment
  UC1408882  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou wet boreal meadow at Base Camp (midslope between Diamond Lake and Hancock Lake); Salmon Mountains,Marble Mountain Wilderness Area 2011 Comment
  JEPS61409  Geranium carolinianum W. L. Jepson Jul 1894 13564 Siskiyou Sisson Comment
  UC60893  Geum macrophyllum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  CAS-BOT-BC459621  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
  HSC34007  Gilia capitata J. P. Smith 1974-5-25 7505 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CHSC96011  Gilia capitata subsp. capitata L. P. Janeway 2006-7-3 8763 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  UC1258442  Gilia capitata subsp. capitata Maralyn A. Renner 1980-7-23 1848 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC29086  Githopsis specularioides E. L. Greene 1876-1 Siskiyou near Yreka Comment
  JEPS83579  Glyceria borealis Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9243 Siskiyou Porcupine Lake 1304 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  UCD77744  Glyceria striata Robert E. Preston 2001-6-23 1545 Siskiyou Klamath National Forest, N slope of Rainbow Mtn. 1706 Comment
  RSA15684  Gnaphalium chilense C. B. Wolf 1927-8-26 1061 Siskiyou Klamath River, 3 miles below Gottville Comment
  UC1023730  Gnaphalium palustre W. Bridge Cooke 1941-8-8 16144 Siskiyou above Howard (on Wagon Camp road); Western States, Mt. Shasta, Wagon Camp rd. 1219 Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SEINET8770785 Image available Gnaphalium palustre G. D. Bulter 1910-6-12 1560 Siskiyou Yreka Creek Comment
  RSA237528  Gnaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Ridge from Arrow Peak to King David Peak, English Lake Basin; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS24787  Goodyera oblongifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6795 Siskiyou 6.2 mi above and sw of junction with road to Gumboot Lake (along road to Castle Lake, in drainage of Scott Camp Creek) 1432 Comment
  HSC98370  Goodyera oblongifolia J. O. Sawyer 1969-8-18 1995 Siskiyou Slopes of S Sugar Creek 1829 Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  RSA12573  Hackelia californica C. B. Wolf 1934-7-6 6013 Siskiyou 0.5 mi. so. of Wagon Camp, So. slope of Mt. Shasta. 1524 Comment
  HSC22136  Hackelia micrantha J. O. Sawyer 1969-7-24 1199 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  HSC30464  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadow 1890 Comment
  JEPS62095  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson 1097 Comment
  SD46490  Hastingsia alba E. K. Balls, L. W. Lenz 1956-6-18 21720 Siskiyou In boggy meadows and ditches. 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir. 883 Comment
  UC1483457  Hastingsia alba Maralyn A. Renner 1980-6-25 1093 Siskiyou West Fork Little South Fork Indian Creek Preston Pk Quad. Klamath Natl For, Little S Fk Indian Creek (Klamath National Forest) 1219 Comment
  CAS-BOT-BC504600  Hastingsia alba W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC504605  Hastingsia alba W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klinks Meadow Comment
  POM109513  Hastingsia alba Geo D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC302457  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  HSC92183  Hazardia whitneyi var. discoidea Jennifer Whipple 1977-8-4 2164 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2195 Comment
  JEPS84317  Hazardia whitneyi var. discoidea L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6327 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte) 1850 Comment
  LA203710  Hazardia whitneyi var. discoidea Louis Wheeler; 1934-8-5 3045 Siskiyou Siskiyou Mountains, Condrey Mt 2163 Comment
  HSC4760  Helenium bigelovii William J. Ferlatte 1966-8-2 231 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  HSC92210  Helenium bigelovii Jennifer Whipple 1976-7-24 1568 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  UC1282023  Helenium bigelovii Louise Kellogg 1953-8-8 112 Siskiyou on road between Callahan and Trinity Center (nw slope of Scott Mountain); Klamath National Forest, Scott Mountain, Mule Creek 1402 Comment
  UC584277  Helenium bigelovii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2470 Siskiyou w side of river near Trumble Ranch (along road from Callahan to Carrville); Trinity River 1050 Comment
  HSC82585  Helianthella californica Thomas W. Nelson, Jane P. Nelson 1979-5-26 4710 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC54090  Helianthella californica subsp. shastensis H. M. Hall and E. B. Babcock 1903-6-1 4056 Siskiyou near Sisson; Mt. Shasta 1066 Comment
  CAS-BOT-BC305574  Helianthus bolanderi Ynez W. Winblad 1936-8-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC313448  Hemizonella minima Elmer I. Applegate 1935-6-8 9418 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  POM215863  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 miles W of Greenview, Scott Valley. 884 Comment
  RSA237793  Herniaria hirsuta subsp. cinerea Frederick W. Oettinger 1969-8-31 1568 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1966 Comment
  HSC4130  Herniaria hirsuta var. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  UC1045250  Hesperolinon micranthum W. Bridge Cooke 1940-7-5 15225 Siskiyou along and old lane near Municipal Spring; Mount Shasta Comment
  POM8869  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-07 8422 Siskiyou Mt. Shasta, at Sisson. Comment
  JEPS74414  Heterocodon rariflorum W. B. and V. G. Cooke 1974-8-21 49262 Siskiyou Howard; Mt. Shasta Comment
  RSA238408  Heterocodon rariflorum Frederick W. Oettinger 1969-8-18 1427 Siskiyou Due N of Horse Range Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET10972516  Heterocodon rariflorum Oettinger 1966-8-18 OETTINGER 1427 Siskiyou VIC. ENGLISH PEAK, MARBLE MTN WILDERNESS, N OF HORSE RANGE LAKE OUTLET ON MOSSY DRIPPING ROCKS Comment
  UC163946  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  CAS-BOT-BC420719  Heuchera micrantha M. B. Dunkle 1945-7-19 9224 Siskiyou Sky-High Bluffs, Klamath forest 2194 Comment
  CAS-BOT-BC319690  Hieracium albiflorum Doris K. Kildale 1928-8-19 6569 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC319695  Hieracium albiflorum Alice Eastwood 1921-7-30 10995 Siskiyou Soda Creek Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  RSA264991  Hieracium albiflorum G. L. Clifton 1975-7-28 5723 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  CAS-BOT-BC319686  Hieracium albiflorum L. E. Smith 1913-7-1 449 Siskiyou Dunsmuir Comment
  HSC29096  Hieracium albiflorum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1258 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake Basin 1890 Comment
  JEPS36578  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  RSA238745  Hieracium horridum Frederick W. Oettinger 1967-8-14 268 Siskiyou English Peak Look-out. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2229 Comment
  UC194096  Hieracium horridum unknown 1874-9-1 Siskiyou Shasta 3657 Comment
  CAS-BOT-BC316028  Hieracium scouleri Doris K. Kildale 1929-7-20 8633 Siskiyou Trail up South Fork of Indian Creek to Elk Lick 1371 Comment
  CAS-BOT-BC316033  Hieracium scouleri A. A. Heller 1905-6-22 8088 Siskiyou Along the railroad near Igerna Comment
  HSC29197  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Near Tobacco Lake 1890 Comment
  RSA211520  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC320108  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-29 5896 Siskiyou Near Hidden Lake, above Sky High Lake, Sky High Valley, Marble Mountains 1767 Comment
  CDA30919  Hirschfeldia incana M. Beyers, G. F. Hrusa 2010-8-18 703 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  HSC29375  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou English Lake trail 1829 Comment
  HSC4860  Holodiscus discolor J. O. Sawyer 1968-7-9 407 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  JEPS46111  Holodiscus discolor Duncan Dunning 1923-6-16 Siskiyou Happy Camp; northwestern Siskiyou County Comment
  CAS-BOT-BC150136  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 583 Siskiyou Mt. Shasta Comment
  UCR142756  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CHSC91223  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12042 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC284741  Hordeum jubatum Verne Grant; Irving Schneider 1947-8-26 8302 Siskiyou By Interstate Highway, Lower Klamath Lake Comment
  POM352503  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1934-6-22 2749 Siskiyou Cottonwood Creek; Siskiyou Mountains; Mt. Diablo Mer. 915 Comment
  CHSC89329  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges. At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +- 10 mi S of Weed, near Mt. Shasta City. Comment
  UC186573  Horkelia daucifolia J. G. Lemmon and Mrs. J. G. Lemmon 1889-6-28 Siskiyou near Edgewood (n California); U. S. Pacific Slope; near Edgewood Comment
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  UC485548  Horkelia daucifolia F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  CAS-BOT-BC143968  Horkelia daucifolia John Thomas Howell 1980-4-30 53448 Siskiyou Yreka 792 Comment
  UC221642  Horkelia fusca H. E. Brown 1897-7-31 530 Siskiyou S side of Mt. Shasta, Siskiyou Co. Comment
  JEPS74498  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-8-3 250 Siskiyou near public camp; Big Flat 1524 Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC514281  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42689 Siskiyou Andesite road, 0.5 mi above US-97, Mt. Shasta. 1371 Comment
  JEPS44556  Horkelia tridentata Willis L. Jepson Jul 24 1894-Aug 10 1894 120 p Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC796495  Horkelia tridentata subsp. flavescens Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11792 Siskiyou s Callahan (Scott Mountain Rd) Comment
  CAS-BOT-BC538246  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  CAS-BOT-BC539426  Horkelia tridentata var. tridentata Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -019 Siskiyou North side of Mt. shasta, south of Hwy. 97, along Forest Service Rd. 42N84; in area burned by Hotlum Fire in february 2006; CA. 4 miles NE of town of Weed. 1249 Comment
  UC195204  Hulsea nana Annie M. Alexander and Louise Kellogg 1911-8-14 316 Siskiyou Mt. Eddy Comment
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  HSC99201  Hydrophyllum occidentale G. L. Clifton 1979-7-1 6180 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC29246  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  UC1408883  Hypericum anagalloides Frederick W. Oettinger 1968-8-1 444 Siskiyou meadow at inlet to Tobacco Lake; Salmon Mts, High Lake Basins, English Peak vicin., Marble Mt 1889 Comment
  RSA238856  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Mid-way between the English Lake main camp and Sundew Bog due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1034590  Hypericum perforatum Douglas Barbe 1955-7-1 72 Siskiyou 1.3 mi. e. Etna (on Westside Rd. to Callahan, s. of the rd.); Klamath Mts. 853 Comment
  CAS-BOT-BC88626  Idahoa scapigera George Dexter Butler 1910-3-21 1136 Siskiyou Drylands near Yreka. Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  JEPS810  Ipomopsis aggregata Geo. D. Butler 1908-8-3 134 Siskiyou Shackleford Creek near Log Lake 1524 Comment
  UC23341  Ipomopsis aggregata Harley P. Chandler June, 1901 1624 Siskiyou near Marble Mtn North Coast Ranges 2133 Comment
  UC455677  Ipomopsis aggregata I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  RSA31649  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  CDA12116  Isatis tinctoria G. F. Hrusa 1990-4-2 7841 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  UC1094383  Isatis tinctoria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97 Grass Lake 1524 Comment
  CDA3761  Isatis tinctoria T. C. Fuller 1958-6-18 2902 Siskiyou 3 miles west of Thompson Creek, 13 miles east of Happy Camp. 0 Comment
  HSC36751  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC64125  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River Comment
  HSC34656  Isoetes occidentalis Thomas W. Nelson, J. Sawyer 1974-10-29 1745 Siskiyou Submerged at margin of Little Duck Lake Comment
  RSA637583  Isoetes occidentalis I. Shackleford 1997-7-24 259 Siskiyou Klamath National Forest. Horseshoe Lake. Comment
  SEINET516320  Iva axillaris subsp. robustior Vernon H. Oswald 1998-9-16 9631 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CAS-BOT-BC135372  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou Ridge of Marble Mountain - Marble Mts. 2194 Comment
  CAS-BOT-BC135374  Ivesia gordonii K. T. Stillman 1976-6-25 60 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  UCD15035  Juncus John M. Tucker 1974-7-28 4317 Siskiyou California, Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows; wet soil in meadow, elev. ca. 4800 ft. 1463 Comment
  CAS-BOT-BC109976  Juncus Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  JEPS67094  Juncus brachyphyllus Geo. D. Butler 1910-5-28 1422 Siskiyou Shasta Valley Comment
  HSC19327  Juncus drummondii J. O. Sawyer 1969-8-4 1808 Siskiyou Above Sugar Lake 2134 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  UC1026903  Juncus effusus subsp. pacificus F. J. Hermann 1940-7-26 15357 Siskiyou along Black Butte Spring creek Mount Shasta 1219 Comment
  HSC34124  Juncus ensifolius J. O. Sawyer 1969-8-18 1991 Siskiyou S Sugar Lake Creek 1829 Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  UC842519  Juncus ensifolius John Thomas Howell 1939-8-7 15129 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  HSC62454  Juncus ensifolius Ruby Van Deventer 1959-7-10 Siskiyou Twin Valley 1524 Comment
  UCD77272  Juncus mertensianus Robert E. Preston 2001-6-23 1611 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  LA20046  Juncus mertensianus F. J. Hermann; 1939-8-8 13818 Siskiyou Mount Shasta, around the upper Horse Camp Springs 2514 Comment
  JEPS63807  Juncus mexicanus B. C. Goldsmith 1916-9-29 31 Siskiyou Medicine Lake Mt. Hoffman 2042 Comment
  HSC22107  Juncus nevadensis J. O. Sawyer 1969-8-5 1760 Siskiyou W of Little Duck Lake 2073 Comment
  SFV5113  Juniperus grandis B. C. Templeton 1957-6-21 Siskiyou North of Callahan Comment
  UC637102  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou 6 mi n Yreka (above creek); Shasta Creek Comment
  SEINET11058377  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2346 Siskiyou Siskiyou Mountains., Klamath River, S slope above and N of river. 585 Comment
  HSC4843  Kalmia polifolia J. O. Sawyer 1968-7-23 567 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC96361  Kalmia polifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 497 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA760543  Kalmia polifolia R. F. Thorne, Frederick W. Oettinger 1969-8-4 63367 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  RSA782435  Keckiella corymbosa R. W. Spjut, Paul Burchstead 2008-6-12 16346 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  HSC29325  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou High Lake Basins: NE side of the saddle between Tom's Lake Basin and Tobacco Lake Basin 1951 Comment
  HSC69095  Kyhosia bolanderi Maralyn A. Renner 1980-8-4 2222 Siskiyou Flint Valley 1390 Comment
  OBI53785  Lagophylla ramosissima David J. Keil, Kathleen Keil 1992-7-20 23473 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  UCD106351  Lathyrus latifolius S. P. Lynch 1975-4-19 1384 Siskiyou Along roadsides on St. Hwy. 96, 16.3 mi. NE of Happy Camp. Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC534903  Lemna turionifera Alice Eastwood 1912-7-17 1146 Siskiyou Sisson Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  JEPS53797  Lesquerella occidentalis subsp. occidentalis W. L. Jepson 1907-7-5 2835 Siskiyou Marble Mt. 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
  UC306184  Lessingia nemaclada G. B. Grant 1902-9-11 5213 Siskiyou Dunsmuir Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  HSC69720  Leucothoe davisiae Maralyn A. Renner 1980-7-16 1794 Siskiyou Hancock Lake inlet 1951 Comment
  SEINET8566352 Image available Lewisia columbiana Unknown 1991-5-30 Siskiyou Collected in dry rocky area of woods Klamath National Forest, Siskiyou County, in northwestern California. West Branch (2200 ft) a Forest Service Camp Ground or Poker Flats (5200 ft) a high mountain meadow 671 Comment
  HSC74912  Lewisia cotyledon J. P. Smith 1978-5-28 9955 Siskiyou Klamath National Forest, FS Rd. 39N27, 3.1 mi. S of Sawyers Bar 1220 Comment
  CHSC99690  Lewisia cotyledon var. cotyledon L. P. Janeway 2008-7-24 9466 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC82171  Lewisia cotyledon var. cotyledon T. Jimerson 1985-7-13 Siskiyou Around Devil's Punchbowl 1677 Comment
  RSA184767  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  CAS-BOT-BC444581  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  UC1034649  Leymus cinereus Milo S. Baker and Douglas Barbe 1955-6-27 13087 Siskiyou on Hwy 99 4 mi s Gazelle; Klamath Mountains 914 Comment
  JEPS68580  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou near Yreka Comment
  POM215709  Leymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UC817464  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker Siskiyou Mts., Klamath River 518 Comment
  SEINET10531236  Libocedrus decurrens Edward L. Greene 1876-9-6 Greene 1040 Siskiyou collected 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
  CAS-BOT-BC482454  Ligusticum grayi Dana York 2011-8-13 3064 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  UC663138  Ligusticum grayi W. C. McCalla 1940-7-5 6356 Siskiyou s. Mt. Shasta (near McCloud) 1249 Comment
  CHSC114088  Ligusticum grayi Kendra Sikes 2011-9-14 CLB 1 _F Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10, 536853E, 4580559N. 2040 Comment
  UC454438  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  HSC66238  Lilium bolanderi Maralyn A. Renner 1980-9-1 2736 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  CAS-BOT-BC509376  Lilium kelleyanum Marion Ownbey; Fred G. Meyer 1940-7-6 2200 Siskiyou In spring, Cayenne Ridge, Marble Mountain. Comment
  RSA50161  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers Bar on road to Cecilville 1006 Comment
  CAS-BOT-BC133029  Lilium washingtonianum subsp. purpurascens Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  JEPS107441  Linanthus bolanderi Lowell Ahart, John Dittes 2005-6-10 12087 Siskiyou Rocky hillside, north of the rock fence, about 200 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
  UC1299614  Linanthus harknessii Freed W. Hoffman 1951-7-15 4036 Siskiyou w side Kelsey Creek (at Hammond Camp, w Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  UC60872  Linanthus nuttallii subsp. nuttallii Harley P. Chandler Jun 1901 1587 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  CAS-BOT-BC240383  Linnaea borealis subsp. longiflora Alice Eastwood 1912-7-15 1106 Siskiyou Mc Cloud [McCloud] Comment
  HSC3909  Linnaea borealis subsp. longiflora Dorothy Parker 1949-8-12 363 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  UC22857  Linnaea borealis var. longiflora C. B. Bradley 1879-1 Siskiyou near Mt. Shasta; near Mt. Shasta Comment
  UC169897  Linum lewisii Harley P. Chandler June, 1901 1652 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC618617  Linum lewisii W. Bridge Cooke 1938-7-1 11138 Siskiyou in (chaparral) around Wagon Camp (especially just below it, Mount Shasta); Mount Shasta 1737 Comment
  RSA14401  Linum lewisii Elmer I. Applegate 1923-8-20 3898 Siskiyou Medicine Lake 1982 Comment
  RSA211331  Linum lewisii William J. Ferlatte 1967-7-6 668 Siskiyou Near LeRoy Mine. Trinity Alps. 2104 Comment
  HSC22236  Listera convallarioides J. O. Sawyer 1969-8-4 1886 Siskiyou Above S Sugar Lake 2043 Comment
  UC336569  Listera convallarioides unknown July 1878 Siskiyou near Mt. Shasta 2133 Comment
  RSA68921  Listera convallarioides A. E. Culbertson 1943-8-12 36 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinty Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west 1657 Comment
  UC527340  Lithocarpus densiflorus var. echinoides C. B. Wolf 1931-9-2 Siskiyou 4 mi above junction of McCloud Road with the Pacific Highway 1188 Comment
  CAS-BOT-BC432320  Lithophragma campanulatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11856 -A Siskiyou 1.5 miles below summit of Gazelle Mountain Grade, E side 1417 Comment
  HSC78223  Lithophragma campanulatum L. P. Janeway 1983-8-6 503 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  HSC29452  Lithophragma campanulatum Frederick W. Oettinger 1969-7-9 942 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1829 Comment
  UC909390  Lithophragma glabrum Ira L. Wiggins 1950-5-28 12389 Siskiyou .3 mi w Carmen Lake; w of Carmen Lake 1706 Comment
  CAS-BOT-BC435478  Lithophragma glabrum Grace Wood 1919-4-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC435633  Lithophragma heterophyllum Jeanne McFarland; Kathie Meyer; Anne Mullenniex 1995-4-9 51 Siskiyou Off Hwy 96 at Somes Bar, 4 miles north, up Salmon River Hwy at the entrance to Wooley Crk. Trail head 289 Comment
  CDA40610  Lithospermum ruderale T. C. Fuller 1977-6-14 20215 Siskiyou West side of Highway 97, 3 km south of Deer Mountain Lodge. 0 Comment
  RSA77576  Lithospermum ruderale F. W. Peirson 1923-7-20 3823 Siskiyou Whitney Creek, Shasta Region. Comment
  HSC22242  Lolium perenne J. O. Sawyer 1969-8-1 1617 Siskiyou On trail to Eaton Lakes. 1799 Comment
  SEINET10591996  Lolium perenne A. Arthur Heller 1921-7-5 Heller 13564 Siskiyou Moist soil at Abrams Lake, near the town of Mt. Shasta, in the yellow pine belt. Comment
  SEINET4671424  Lolium perenne G. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  UC165961  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  UC1211906  Lomatium californicum Roy L. Taylor 1960-6-12 4438 Siskiyou n. Yreka (1 mi. w. of junction of Hwy. 96 (Klamath R. rd.) and Hwy. 99, hillsides above Klamath R.) Comment
  UC165419  Lomatium dissectum var. multifidum Geo. D. Butler 1910-5-7 1303 Siskiyou hill near Yreka Comment
  CHSC59665  Lomatium macrocarpum K. Bridwell 1978-4-14 73 B Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  HSC77068  Lomatium macrocarpum K. T. Stillman 1976-7-7 158 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA184690  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  RSA60802  Lomatium nevadense I. L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UC165257  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou hills near Yreka Comment
  CDA38335  Lomatium nudicaule T. C. Fuller 1958-6-19 1888 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC31130  Lomatium nudicaule J. O. Sawyer 1971-8-20 2458 Siskiyou S of Buckhorn Mountain on Big Ridge trail 1982 Comment
  SEINET8756727  Lomatium nudicaule D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  OBI8857  Lomatium peckianum Lincoln Constance, Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi S of Yreka 792 Comment
  UC1552568  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2112 Siskiyou 5 1/2 mi NW of Weed (0.1 mi N of Edgewood Road on access road to Airport & Freeway Rest Area, E side of frontage road, 100 yds E of Hwy I-5) 893 Comment
  SEINET11121385  Lomatium peckianum L. Constance 1964-1 s.n. Siskiyou 5.2 miles S of Yreka. 792 Comment
  SEINET3143888  Lomatium triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  HSC39323  Lomatium triternatum var. macrocarpum J. P. Smith 1974-5-26 7389 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC54575  Lonicera involucrata var. involucrata H. M. Hall and E. B. Babcock June, 1903 4137 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  UC1236516  Lotus crassifolius var. crassifolius H. A. Thomas and J. H. Thomas 1954-7-27 4553 Siskiyou about 6 mi se Cecilville (s side of South Fork of Salmon River, in vicinity of Blind Horse Creek and area 1 mi t se); Salmon-Trinity Mts., South Fork of Salmon River, Blind Horse 883 Comment
  RSA406194  Lotus humistratus Louis C. Wheeler 1934-6-22 2757 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  UC81102  Lotus micranthus Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  SEINET3694633 Image available Lotus nevadensis var. douglasii Roxana S. Ferris, Laura Lorraine 1948-6-12 11866 Siskiyou 1 mile W of Gazelle Comment
  CDA27281  Lotus nevadensis var. nevadensis T. C. Fuller 1960-6-29 4642 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  RSA297048  Lotus oblongifolius var. nevadensis John F. Emmel 1974-7-18 513 Siskiyou North end of small unnamed lake 1.4 air miles E. of Preston Peak. 1463 Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  UC618759  Lotus purshianus var. purshianus unknown 1938-7-1 11131 Siskiyou above Bear Spring; Mount Shasta 1676 Comment
  UC725417  Lotus purshianus var. purshianus A. A. Heller 1916-8-24 12557 Siskiyou near Sisson 1074 Comment
  UC862222  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12116 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC862228  Lotus purshianus var. purshianus A. A. Heller 1916-6-23 12430 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  HSC29401  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou Marble Mtn. Wilderness Area, SE corner of Diamond Lake 2073 Comment
  HSC69245  Luetkea pectinata Maralyn A. Renner 1980-9-1 2710 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS82111  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  RSA624997  Luina hypoleuca L. C. Wheeler 1963-8-27 8277 Siskiyou Siskiyou Mountains: West Fork Clear Creek. 670 Comment
  UC725972  Lupinus A. A. Heller 1929-5-4 14860 Siskiyou Yreka Shasta River (Shasta River) Comment
  POM230566  Lupinus albicaulis var. shastensis L. E. Smith 1913-6-18 375 Siskiyou Road between Sisson and Castle lake. Comment
  RSA3846  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou On the banks of the Sacramento, a short distance above Shasta Springs. Comment
  HSC14927  Lupinus albifrons R. Spellenberg 1964-6-20 486 Siskiyou 10 mi. NE of Weed, Hwy. 97. Comment
  SEINET7042819 Image available Lupinus albifrons A. G. Vestal 1955-5-16 s.n. Siskiyou Ca 2.2 miles west of Weed on a secondary road east of Route 99. Weed quadrangle UTM Zone 10, 547751mE, 4586681mN. Comment
  CAS-BOT-BC196320  Lupinus albifrons var. flumineus K. Morris; LeDoux; Dunn 1973-6-2 336 Siskiyou On Hornbrook to Montague road, about 1 mi SE of Hornbrook Comment
  CAS-BOT-BC196325  Lupinus albifrons var. flumineus Charles Piper Smith 1947-7-16 47681 Siskiyou Highway 99 - Klamath River Bridge, 0.8 miles east Comment
  SEINET10874219  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney creek. Sw facing slope, volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus, and arctostaphylos 1250 Comment
  CHSC26188  Lupinus andersonii J. P. Kroessig 1977-8-6 52 Siskiyou Jct of Everitt Memorial Hwy and McBride Springs Campground access road, w base of Mt Shasta, ca. 4.5 km n of Mt Shasta City. 1460 Comment
  HSC77060  Lupinus andersonii K. T. Stillman 1976-8-7 191 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  JEPS64987  Lupinus bicolor Geo. D. Butler 1909-5-30 Siskiyou Yreka Comment
  POM23593  Lupinus bicolor subsp. tridentatus Geo. D. Butler 1910-4-16 1190 Siskiyou Yreka. Comment
  UC1333310  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou along the Sugar Creek Road (above the Eaton Mine); Salmon Mountain Range, Sugar Creek Road 1676 Comment
  RSA300986  Lupinus croceus var. pilosellus M. L. Conrad 1973-6-2 6988 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan 2073 Comment
  SEINET10485330  Lupinus formosus Bruce A. Bohm, H. M. Banek 1980-5-6 Bohm BAB- 1378 Siskiyou I 5 roadside. Comment
  UC157008  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  CAS-BOT-BC8327  Lupinus lapidicola Amos Arthur Heller 1919-7-9 13422 Siskiyou Mt. Eddy 2438 Comment
  POM10902  Lupinus latifolius subsp. viridifolius E. B. Copeland 1903-8-13 7306 Siskiyou Sisson Comment
  POM28133  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  JEPS105171  Lupinus lepidus var. lobbii Dean W. Taylor 1993-7-30 14021 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  UC598750  Lupinus lepidus var. lobbii C. Hart Merriam 1900-1 130 Siskiyou Squaw Creek Mt. Shasta (Mt. Shasta); , Squaw Creek Comment
  SEINET8056238  Lupinus lepidus var. sellulus G. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  UC157002  Lupinus leucophyllus Geo. D. Butler 1908-7-16 365 Siskiyou Klamath River Comment
  JEPS65317  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River near Yreka; Klamath River near Yreka Comment
  UC144497  Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  CAS-BOT-BC383125  Lupinus obtusilobus Andrew Townesmith; Karen M. Meyer 2007-7-30 872 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC1736619  Lupinus obtusilobus Dean W. Taylor 1975-8-14 5363 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte, 2651 Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  HSC92407  Lupinus sellulus subsp. ursinus Jennifer Whipple 1978-10-6 2396 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  SEINET10490992  Lupinus vallicola subsp. vallicola Katherine L. Morris 1973-6-2 Morris s.n. Siskiyou Found along roadside .7 mi s of jct at etna rd on hwy 3. Comment
  JEPS67168  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC436701  Luzula comosa var. laxa D. E. Breedlove 1962-6-11 3367 -A Siskiyou Along State Hwy 89, 8.0 miles E of McCloud; Cascade Mountains 1127 Comment
  HSC2363  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head Of Kidd Creek 2134 Comment
  RSA215595  Luzula divaricata Gilbert Muth 1969-8-10 1329 Siskiyou Ridge west of Boulder Peak. 2348 Comment
  CHSC115766  Luzula macrantha P. F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  CAS-BOT-BC441292  Luzula macrantha L. E. Smith 1914-5-12 689 Siskiyou Sisson Comment
  HSC68436  Luzula parviflora Maralyn A. Renner 1980-7-5 1531 Siskiyou Doe Flat 1220 Comment
  UC1026902  Luzula parviflora W. Bridge Cooke 1940-8-8 15418 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek Comment
  RSA211368  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. Steep slope with talus and solid rock outcrops. Trinity Alps. 2134 Comment
  HSC2378  Luzula piperi William J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mtn. 2470 Comment
  HSC86442  Luzula subcongesta D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  OBI2049  Lysimachia latifolia J. H. Applegarth 1969-6-22 s.n. Siskiyou Jctn of Cow Crk and Grouse Crk 914 Comment
  HSC2256  Madia elegans Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  UC830843  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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Feb 2 2009
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  JEPS94784  Madia exigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9355 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  RSA120895  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mountain 1768 Comment
  CAS-BOT-BC343440  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  CAS-BOT-BC343443  Madia gracilis Carl B. Wolf 1934-7-6 5981 Siskiyou SW. slope of Mt. Shasta. 1/4 mi. E. of Mt. Shasta City 1097 Comment
  CAS-BOT-BC343445  Madia gracilis A. A. Heller 1914-8-25 11707 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  UC61072  Madia gracilis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
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Apr 28 2007
  HSC5976  Madia gracilis R. C. Wunner 1965-6-26 277 Siskiyou California Lava Beds National Monument: 1/2 was up trail on Schonchin Butte 1494 Comment
  UC2016518  Madia gracilis Richard Olmstead 1983-7-12 469 Siskiyou Along the Little North Fork of Salmon River ca. 1 mile from trailhead on Little North Fork trail on ridge to the west of the creek. Comment
  POM362187  Madia gracilis subsp. gracilis M. B. Dunkle 1944-7-15 9092 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  RSA452624  Mahonia nervosa L. C. Wheeler 1934-6-29 2822 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  CAS-BOT-BC512762  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1923-5-20 11870 Siskiyou Shasta Springs Comment
  CAS-BOT-BC512764  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-15 1091 Siskiyou Mccloud Comment
  HSC46144  Malva neglecta J. P. Smith, Steve Selva 1970-8-9 4580 Siskiyou In potato fields W of Macdoel. Comment
  UCD134462  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  SEINET4671564  Melica bulbosa G. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  POM265992  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  JEPS104956  Melica harfordii Dean W. Taylor 1996-7-10 15773 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  UCD77855  Melica stricta Robert E. Preston 2001-6-30 1649 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 1889 Comment
  JEPS84000  Melica subulata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6386 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  UCD88597  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3436 Siskiyou 5 miles northeast of Happy Camp. Above Klamath River. Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  POM211269  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  HSC15854  Mentzelia congesta R. C. Wunner 1965-6-6 52 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  CAS-BOT-BC428547  Micranthes aprica Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley, Marble Mts. 1792 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-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  SEINET3416626 Image available Micranthes ferruginea Rimo Bacigalupi, Lincoln Constance & L. Heckard 1960-7-20 7448 Siskiyou Siskiyou Mountains; Poker Flat (about 12 air miles northwest of Happy Camp) 1524 Comment
  CAS-BOT-BC429035  Micranthes nidifica Edna Churchill 1904-4-11 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC429150  Micranthes odontoloma Freed Hoffman 1951-7-12 4033 Siskiyou Western Siskiyou County, Marble Mountains. Hammond's Stock-raising Camp, on Kelsey Creek, about 8 mi. above Scott River 1524 Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  CHSC1680  Micranthes odontoloma V. Holt 1943-8-11 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC429155  Micranthes odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower Creek on trail to Blk. Mt. Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC348420  Micropus californicus var. californicus J. H. Thomas 1954-5-13 4148 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, between Lat. 41 deg. 03' and 41 deg. 06' N., and Long. 122 deg. 58' and 123 deg. 03' W. Along Rush Creek 1127 Comment
  UC165388  Microseris laciniata subsp. siskiyouensis Geo. D. Butler 1909-6-23 958 Siskiyou Goosenest Mountain; foothills Comment
  HSC22302  Microseris nutans J. O. Sawyer 1969-6-13 1099 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC130567  Microseris nutans H. M. Hall July, 1909 8676 Siskiyou Salmon River Salmon Mountains 1615 Comment
  RSA14130  Mimulus cardinalis Elmer I. Applegate 1923-9-6 3978 Siskiyou Doggett Creek, Klamath River. Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  CDA41786  Mimulus guttatus subsp. arvensis J. R. Grisham 1965-6-8 s.n. Siskiyou Willow Creek. 0 Comment
  UC164369  Mimulus layneae Geo. D. Butler 1910-9-11 1865 Siskiyou Weed Comment
  RSA535564  Mimulus layneae David M. Thompson 1929-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  UC54647  Mimulus layneae H. M. Hall and E. B. Babcock June, 1903 4038 Siskiyou below Dunsmuir; Sierra Nevada Mountains 609 Comment
  UC125269  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  HSC428  Mimulus moschatus William J. Ferlatte 1967-7-8 673 Siskiyou Along the Yellow Rose Mine Trail 1829 Comment
  JEPS87078 Image available Mimulus nanus var. nanus J. Kierstead 1991-6-6 91 -55 Siskiyou Mt. Shasta Ranger Dist. north side of Mt. Shasta, north of Hwy. 97, 2 mi SW of Haystack Rock. Comment
  HSC29398  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou High Lake Basins: site NW of Lower English Lake 1829 Comment
  POM61804  Mimulus pilosus E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon. Comment
  JEPS10997  Mimulus primuloides Willis L. Jepson July, 1894 53 m Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC618708  Mimulus primuloides W. Bridge Cooke 1938-7-1 11124 Siskiyou above Bear Spring (also at Panther and Squaw Creek Meadows); Mount Shasta Comment
  RSA12576  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 0.5 mi. south of Wagon Camp. South slope of Mt. Shasta. 1524 Comment
  HSC101476  Mimulus primuloides var. linearifolius J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12991 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  UCD122891  Mimulus primuloides var. linearifolius Dean William Taylor 1972-7-3 1603 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC20823  Mimulus suksdorfii R. C. Wunner 1965-7-9 360 Siskiyou California Lava Beds National Monument; as Hardin Butte Trail leaves lava flow, 0.4 mi. from main road 1341 Comment
  UC922334  Mimulus tilingii var. corallinus Annie M. Alexander and Louise Kellogg 1949-7-22 5833 Siskiyou edge of small stream which arises from spring at lower end of Paradise Lake; Marble Mountains, Paradise Lake 2072 Comment
  UC1213802  Minuartia douglasii Jean Langenheim 1957-5-19 4347 Siskiyou intersection of Miner's Creek Rd and Tiger Creek Road Comment
  CAS-BOT-BC388883  Minuartia douglasii Louis C. Wheeler 1934-6-4 2640 Siskiyou Klamath National Forest. Nigger Gulch 1066 Comment
  RSA576935  Minuartia douglasii L. C. Wheeler 1934-6-4 2640 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  CAS-BOT-BC105083  Minuartia nuttallii subsp. gregaria R. C. Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  HSC52816  Minuartia nuttallii subsp. gregaria Marvin Butler 1971-7-5 1 Siskiyou Near El Capitan Lake 1738 Comment
  JEPS111028  Minuartia nuttallii subsp. gregaria Sue Pappalardo 1997-8-9 974 Siskiyou Mt. Shasta Ranger District; Mt. Eddy. On trail to summit, about halfway from saddle to summit. 2740 Comment
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  SEINET4853159  Minuartia stolonifera Unknown 1983-7-29 7500 Siskiyou Along west side of State Rt. 3, 2.4 mi N. of Scott Mountain Pass just S of junction with road 40N03. 1372 Comment
  CHSC88777  Mirabilis greenei Jenny Marr 1993-7-1 198 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC433022  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC44363  Mitella pentandra Maralyn O'Meara 1973-6-24 232 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC44937  Mitella trifida J. O. Sawyer 1978-6-19 3245 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  RSA238327  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou N side of Toms Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2104 Comment
  HSC45197  Moehringia macrophylla J. O. Sawyer, E. Cope 1977-6-21 2984 Siskiyou Near Prescott Peak 1677 Comment
  HSC22248  Monardella glauca J. O. Sawyer 1969-7-9 1219 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC78226  Monardella glauca L. P. Janeway 1983-8-28 631 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  CHSC69081  Monardella odoratissima Vernon Oswald; Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  UC1096812  Monardella odoratissima subsp. glauca Milo S. Baker 1957-6-16 13118 Siskiyou trip to Scott Mt. (after turn off near Callahan); North Coast Ranges Comment
  UC2035811  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi from Horse Creek Bridge. 1524 Comment
  CAS-BOT-BC222036  Monardella odoratissima subsp. glauca Doris K. Kildale 1928-7-4 5498 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  UC25518  Monardella odoratissima subsp. pallida W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  RSA83364  Monardella odoratissima subsp. pallida F. W. Peirson 1923-7-19 3834 Siskiyou 16 miles S of Bray. Comment
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  UC2035869  Monardella villosa subsp. villosa C. Epling 1938-6-12 Siskiyou Between Happy Camp and Orleans Comment
  UC2035870  Monardella villosa subsp. villosa C. Epling 1938-1 Siskiyou Klamath River slopes near Highway 99. Comment
  RSA262375  Monotropa hypopitys D. V. Hemphill 1974-7-28 s.n. Siskiyou Ca. 1/4 mile north of Jawbone Camp. Marble Mountain Wilderness Area. 1555 Comment
  RSA47980  Montia dichotoma Roxana S. Ferris, Laura Lorraine 1948-6-12 11845 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  UC637038  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou 4 mi n of Happy Camp (Indian Creek, Klamath National Forest); Klamath National Forest, Indian Creek 411 Comment
  RSA211319  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake Basin. Trinity Alps. 1829 Comment
  SEINET200836 Image available Muhlenbergia andina Joseph P. Tracy 1939-9-2 16470 Siskiyou Windy Camp on the old Gasquet Toll Road west of Patrick Creek. Comment
  CAS-BOT-BC267043  Muhlenbergia filiformis John Thomas Howell 1937-7-25 13445 Siskiyou Caribou Basin, Salmon - Trinity Alps 2286 Comment
  HSC30599  Muhlenbergia filiformis Frederick W. Oettinger 1968-8-22 592 Siskiyou Ridge between Diamond Lake and English Peak, Salmon Mountains. 2195 Comment
  HSC30600  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Marble Mtn. Wilderness Area, SW of Wire Grass Meadow, near Upper English Lake. 1677 Comment
  JEPS93848  Myosurus apetalus Vernon H. Oswald and Lowell Ahart 1998-6-11 9221 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC61789  Navarretia capillaris Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CHSC57438  Navarretia intertexta L. P. Janeway 1984-6-21 862 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. Vernal pond on back edge of flat. 594 Comment
  CHSC71492  Navarretia intertexta subsp. intertexta Vernon H. Oswald; Lowell Ahart 1998-7-21 9334 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  UC880193  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  RSA148670  Navarretia sinistra Clare B. Hardham 1961-7-3 8114 Siskiyou Scott Mountain south of Calahan. Comment
  CDA40364  Nemophila heterophylla T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC219531  Nemophila parviflora John Thomas Howell 1937-7-22 13267 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1560413  Nemophila parviflora E. Joyal and D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake); , Happy Camp-Takilma Road 1524 Comment
  HSC21266  Nicotiana attenuata R. C. Wunner 1965-8-17 438 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  UCR131625  Nicotiana quadrivalvis L. C. Wheeler 1934-9-17 3273 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC60589  Noccaea fendleri subsp. glauca Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  HSC82555  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1979-5-26 4713 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  CHSC402  Nothocalais alpestris V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  RSA184704  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  JEPS84080  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  UC1238906  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Road 30.1 mi from Klamath Highway (western Siskiyou County); North Coast Ranges, Cedar Camp Road Comment
  UCD110210  Notholithocarpus densiflorus R. Tofsrud; J. M. Tucker 1948-8-3 1775 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  UC722330  Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-7-7 5273 Siskiyou Whiskey Lake 1/2 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake, Sanger Peak Trail 1463 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
  CDA7548  Onopordum acanthium J. R. Grisham 1963-6-25 Siskiyou In town of Dorris. 0 Comment
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  RSA0066440  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Along trail from Tom Taylor cabin to Pine Lake. 2004 Comment
  JEPS100531  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap trail, meadow above Marble Valley, Marble Mt. Wilderness Area. Comment
  HSC36165  Orogenia fusiformis J. P. Smith 1974-5-26 7583 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  JEPS84046  Orogenia fusiformis L. R. Heckard with J. Hickman et al. 1986-7-17 6547 Siskiyou ca. 1 mi. n.e. Buckhorn 2100 Comment
  HSC29319  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou Marble Mtn. Wilderness Area, N of English Peak on way down to Upper English Lake 1951 Comment
  HSC296  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin 2134 Comment
  HSC42927  Orthilia secunda Sue Sweet 1977-5-21 67 Siskiyou Off Road 8 on the Sugar Creek Trail along Sugar Creek 1585 Comment
  JEPS93913  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1998-8-3 9431 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA0083190  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Slope leading down from Little Hancock Lake to Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1982 Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  HSC60387  Orthocarpus cuspidatus subsp. copelandii Carl Wishner 1978-8-1 555 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtns. Wilderness Area 1829 Comment
  RSA183717  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1965-7-30 138 Siskiyou Marble Mtns. Near top of marble rim. Comment
  JEPS4515  Orthocarpus imbricatus Alice Eastwood 1912-7-15 1066 Siskiyou McCloud Comment
  CAS-BOT-BC7008  Orthocarpus pachystachyus Edward Lee Greene 1876-5-26 s.n. Siskiyou Near Yreka Comment
  NY90856  Orthocarpus pachystachyus E. L. Greene 1876-1 s.n. Siskiyou Comment
  JEPS25816  Osmorhiza berteroi Geo. D. Butler 1908-8-7 462 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  POM208280  Osmorhiza berteroi L. C. Wheeler 1934-7-6 2885 Siskiyou Siskiyou Mountains, Hungry Creek 1098 Comment
  CHSC1340  Oxyria digyna E. Willits 1943-8-11 Siskiyou Marble Mountains. 1828 Comment
  HSC90560  Packera cana Jennifer Whipple 1976-7-1 1226 Siskiyou Near Little Crater Lake 2195 Comment
  UC585147  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1957 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope Mt. Shasta 1249 Comment
  CAS-BOT-BC316759  Packera cana Elmer Ivan Applegate 9477 Siskiyou Thomas massacre area, Lava Beds national Monument Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  CAS-BOT-BC28833  Paeonia brownii A. A. Heller 1905-6-8 7994 Siskiyou Yreka Comment
  RSA115690  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest Mt. Shasta City; along Castle Lake 1037 Comment
  CAS-BOT-BC175507  Parnassia fimbriata J. P. Smith; J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1859 Comment
  HSC29458  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Marble Mountain Wilderness Area, Abbots Lake. 1723 Comment
  HSC366  Parnassia fimbriata W. J. Ferlatte 1967-8-20 1060 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge. Steep N facing slope. 2043 Comment
  HSC62026  Parnassia fimbriata Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  POM137034  Paxistima myrsinites E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy. 1402 Comment
  UC1490300  Paxistima myrsinites Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls on rd. from Seiad Valley to Cook and Green Pass; Klamath R. Region, Horsetail Falls Comment
  UCSB25631  Paxistima myrsinites Favero, R. 1968-5-15 Siskiyou Old Highway 99, 6 miles south of Weed, Cascade Mountains; at base of Black Butte 1188 Comment
  HSC4828  Pedicularis attollens J. O. Sawyer 1968-7-23 588 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC300  Pedicularis bracteosa var. flavida William J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin 1982 Comment
  UC1409425  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou High Lake Basins in vicinity of English Peak (in base camp meadow); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC204675  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Siskiyou Mts., Rogue River National Forest. Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage 1777 Comment
  JEPS23802  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  UC1483483  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley; Klamath National Forest 1524 Comment
  POM147890  Pedicularis racemosa J. B. Feudge 1927-7-24 1760 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  RSA239006  Pedicularis racemosa Frederick W. Oettinger 1966-8-7 49 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  RSA686812  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou West of town of Mount Shasta, county road off road to Castle Lake, between Wagon and Deer Creek bridges 1220 Comment
  UCR208089  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns, West Fork Cottonwood Creek 1238 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  RSA12504  Penstemon anguineus Carl B. Wolf 1934-7-4 5932 Siskiyou Horse Creek Rd to Dry Lake Lookout, Siskiyou Mtns. 12 miles from Horse Creek Bridge on Klamath River. 1311 Comment
  UC1238940  Penstemon anguineus Freed W. Hoffman 1950-7-13 3492 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  SEINET7073520  Penstemon centranthifolius 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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Jul 13 2018
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CAS-BOT-BC265371  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou Crest of Redshale Mountain, Medicine Lake region 2438 Comment
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  RSA78951  Penstemon davidsonii var. davidsonii E. K. Balls, Percy C. Everett 1952-10-12 18178 Siskiyou 3.6 mi W of boundary of Lava Beds Nat'l Monument, road from Indian Well Ranger Station to Tenant. 1372 Comment
  UC27476  Penstemon davidsonii var. davidsonii Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  CDA17144  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  HSC19128  Penstemon deustus J. O. Sawyer 1969-7-24 1507 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC20982  Penstemon deustus D. M. Thomson 1965-6-19 91 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  SBBG30644  Penstemon deustus D. Myrick 1968-6-27 2037 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  UC484060  Penstemon deustus Carl B. Wolf 1930-10-23 1758 Siskiyou 2 mi below Browns Resort (along Klamath River); , below Browns Resort 304 Comment
  UC598541  Penstemon deustus John Bright 1936-5-5 13309 Siskiyou on rocky slopes near Hornbrook Comment
  HSC63257  Penstemon deustus M. A. Baker 1979-7-31 1098 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  UC1177927  Penstemon deustus var. pedicellatus Francia Chisaki and Gene B. Newcomb 1958-6-22 1155 Siskiyou at base of Black Butte just e Highway #99; at base of Black Butte Comment
  CAS-BOT-BC105069  Penstemon gracilentus R. C. Wenk 2008-7-23 901 Siskiyou SW side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) 2316 Comment
  CHSC9505  Penstemon heterophyllus J. F. Goodwin 1971-7-3 142 Siskiyou South side of road with low shrubbery, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  RSA659604  Penstemon laetus subsp. sagittatus J. C. Roos 1948-9-2 3974 Siskiyou 6 miles SW of Yreka. Comment
  CHSC93546  Penstemon laetus var. sagittatus Lowell Ahart; John Dittes 2005-6-9 12029 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  CHSC4530  Penstemon newberryi J. E. Bowlin 1967-7-16 39 Siskiyou On roadside, ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  JEPS5713  Penstemon newberryi var. berryi W. L. Jepson 1907-7-11 2881 Siskiyou 12 mi S of Preston Peak (on divide between Onion Patch (E slope) and South Fork Smith River (W slope)); Klamath Range (= Siskiyou Mts., western part) Comment
  LA28971  Penstemon newberryi var. newberryi E. B. Copeland; 1903-7-17 3510 Siskiyou Mt Shasta 1828 Comment
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  POM256008  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  UC1017676  Penstemon parvulus Marion Ownbey and Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2 1/2 mi nw Dry Lake Lookout (summit of the Siskiyou Mountains); , nw of Dry Lake Lookout Comment
  UC1408794  Penstemon procerus Robert F. Thorne and Fred Oettinger 1969-8-10 39006 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest, Mt. Shasta (on dry, sunny volcanic slopes above ski-lodge) 2377 Comment
  SEINET12291363  Penstemon procerus H. P. Chandler 1901-1 1639 Siskiyou near Marble Mtn 2134 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
  CHSC1883  Penstemon procerus subsp. formosus V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2133 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  UC909324  Penstemon roezlii Dorothy Parker 1948-6-14 Siskiyou Rail Creek , Rail Creek (Plowman's Valley) 1203 Comment
  JEPS5716  Penstemon roezlii Dorothy Parker 1954-6-5 619 Siskiyou just e Scott Valley (Hartstrand Gulch); Siskiyou Mountains, , e of Scott Valley 855 Comment
  JEPS94267  Penstemon rydbergii var. oreocharis Vernon H. Oswald and Lowell Ahart 1998-6-11 9208 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UCD77908  Penstemon speciosus Robert E. Preston 2002-7-12 1909 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1789 Comment
  JEPS116617  Penstemon speciosus Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -013 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006, 4 mi NE of town); Mt. Shasta 1127 Comment
  CAS-BOT-BC540701  Perideridia leptocarpa Dana York 2012-7-21 3130 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ridge above Echo Lake 1790 Comment
  CDA38505  Perideridia oregana T. C. Fuller 1958-6-19 1890 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC413739  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC1228342  Phacelia hastata L. R. Heckard 1956-8-7 830 Siskiyou near Dear Mt. Lodge (w flank of mt.); Deer Mt. 1432 Comment
  CHSC63608  Phacelia hastata subsp. hastata Vernon H. Oswald; Lowell Ahart 1994-8-10 6449 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy.89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  RSA105312  Phacelia hastata subsp. hastata Milo S. Baker, G. D. Barbe 1955-6-26 13077 Siskiyou Shasta Valley between Weed and Gazelle. 915 Comment
  JEPS81027  Phacelia heterophylla subsp. virgata James Payne Smith Jr. 1976-5-5 8699 Siskiyou road between Forks of Salmon and Somes Bar 365 Comment
  RSA30625  Phacelia heterophylla subsp. virgata Lincoln Constance, R. C. Rollins 1942-5-14 2927 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC1228343  Phacelia heterophylla subsp. virgata L. R. Heckard 1956-8-7 831 Siskiyou along US Hwy 97 Deer Mt., Deer Mt. Lodge (w flank of mt.) 1432 Comment
  HSC67637  Phacelia heterophylla subsp. virgata J. P. Smith, Steve Selva 1970-6-16 4044 Siskiyou Etna 897 Comment
  POM210230  Phacelia heterophylla subsp. virgata H. P. Bracelin 1931-6-20 430 Siskiyou About two miles northwest of Mt. Shasta City. 1052 Comment
  POM73741  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC145047  Phacelia leonis Rimo Bacigalupi; Mr. Van Deventer; Mrs. Van Deventer; Don Liles 1959-7-10 7296 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles n.ne. of Preston Peak; watershed of Indian Creek 1493 Comment
  SEINET3121757 Image available Phacelia mutabilis John Thomas Howell 1937-7-22 13328 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD120644  Phacelia mutabilis J. M. Tucker 1950-7-24 1954 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  RSA68892  Phacelia mutabilis A. E. Culbertson 1943-7-10 65 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  UCD88499  Phalaris arundinacea Ken Baghott 1960-8-3 s.n. Siskiyou Tulelake area. Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC1409254  Philadelphus lewisii Frederick W. Oettinger 1968-9-8 793 Siskiyou Abbott's Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1737 Comment
  RSA0058048  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Oak Knoll Ranger Station, on Klamath River. 671 Comment
  HSC31132  Phlox adsurgens J. O. Sawyer 1971-8-20 2461 Siskiyou Near Huckleberry Mtn. 1829 Comment
  RSA78295  Phlox adsurgens P. A. Munz 1952-7-1 17863 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  SDSU3230  Phlox adsurgens D. F. Howe 1972-7-5 4876 Siskiyou 0.6 mile south if Oregon State line on orad to Happy Camp. 1707 Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  RSA262361  Phlox douglasii subsp. rigida Sandra Holloway 1963-4-10 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville 915 Comment
  CDA40292  Phlox gracilis J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  UC1222726  Phlox gracilis Joseph P. Tracy 1951-6-16 19477 Siskiyou at crossing of Takilma and Happy Camp (near Oregon-California State line); Summit of the Siskiyous Comment
  HSC66243  Phlox hirsuta Maralyn A. Renner 1980-6-9 832 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CDA40275  Phlox speciosa subsp. occidentalis T. C. Fuller 1958-4-16 4811 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC135020  Phoradendron bolleanum G. T. Benson 1921-12-23 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC135025  Phoradendron bolleanum Alice Eastwood 1922-10-23 11559 Siskiyou Yreka Comment
  UC618793  Phoradendron libocedri W. Bridge Cooke 1938-8-19 11520 Siskiyou Mt. Shasta, Bear Springs Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC171213  Phoradendron serotinum subsp. tomentosum W. R. Dudley 1901-8-26 s.n. Siskiyou W of Gazelle Comment
  JEPS66651  Phyllodoce empetriformis W. L. Jepson 1907-7-6 2850 Siskiyou Ridge above Cudahay Valley (Marble Mountain region); Marble Mountain region 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
  UC1190116  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CHSC91747  Physalis longifolia D. H. Shaw; T. C. Fuller 1977-8-30 20221 Siskiyou In field, south of Willow Creek Road, 17 km. northeast of Montague. Comment
  HSC77123  Physaria occidentalis K. T. Stillman 1976-7-7 172 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC60761  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  CAS-BOT-BC60774  Physaria occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Summit of Mount Eddy. Comment
  HSC64809  Physaria occidentalis J. P. Smith 1976-5-21 8752 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  CAS-BOT-BC64870  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-15 219 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. Top of pass going N along ridge towards Preacher's Peak. 2130 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
  HSC4818  Physocarpus capitatus J. O. Sawyer 1968-9-10 760 Siskiyou Young's Meadow on Clear Creek 1402 Comment
  UC1267076  Picea Dorothy Parker June, 1962 Siskiyou Sugar Creek Siskiyou Mountains, Salmon Mountains 1219 Comment
  CAS-BOT-BC73429  Picea breweriana T. H. Harris 1951-5-30 s.n. Siskiyou Tanner Butte Road, near Happy Camp. 1828 Comment
  RSA237213  Picea breweriana Frederick W. Oettinger 1967-8-26 334 Siskiyou NE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  UCD134303  Picea breweriana Gordon Leppig; T. LaBanca 1998-7-11 921 Siskiyou Klamath National Forest, Duck Lakes Trail. 1158 Comment
  UCD70126  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  JEPS47878  Pinus albicaulis Geo. D. Butler 1908-8-5 520 Siskiyou summit next to Cold Spring Gulch (old cabin trail) Comment
  RSA105393  Pinus albicaulis G. D. Barbe 1955-8-5 360 Siskiyou Growing along a ridge NW of the summit of Caribou Mtn in the Salmon Mtns. 2409 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  RSA184701  Pinus albicaulis Gilbert Muth 1966-8-6 177 Siskiyou Ridges of the Marble Rim, Marble Mountains. 2134 Comment
  NY34629  Pinus attenuata F. M. Ownbey 1940-7-7 2219 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78409  Pinus balfouriana William R. Dudley 1899-8-24 s.n. Siskiyou summit of Craggy Peak 2438 Comment
  UC1272962  Pinus balfouriana J. M. Tucker and L. K. Mann 1963-8-18 3770 Siskiyou on saddle between Marble Mountain and southwest ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  UC1452397  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-7-14 Siskiyou upper slope near Fire Lookout (on ridge); Lake Mountain 2097 Comment
  HSC68674  Pinus contorta Maralyn A. Renner 1980-7-4 1434 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  JEPS47960  Pinus contorta subsp. murrayana W. L. Jepson 1907-7-4 2813 Siskiyou e of Marble Mt.; Shackelford Canyon Comment
  UC54249  Pinus contorta subsp. murrayana H. M. Hall and E. B. Babcock 1903-6-1 4105 Siskiyou Divide, between Shasta and Black Crater; Sierra Nevada Mountains, Mount Shasta 1706 Comment
  HSC32544  Pinus contorta var. murrayana Steven Lagos 1974-5-26 81 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 57 2073 Comment
  CAS-BOT-BC78781  Pinus lambertiana Carl B. Wolf 1927-8-26 1106 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  UC915724  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou Miamber Trail Comment
  CAS-BOT-BC78952  Pinus monticola John Thomas Howell 1937-7-29 13666 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  JEPS48189 Image available Pinus ponderosa W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  JEPS64435  Piperia elongata Willis L. Jepson 1894-8-9 21279 Siskiyou Shasta Springs Upper Sacramento Region Comment
  UC922362  Piperia unalascensis Annie M. Alexander and Louise Kellogg 1949-7-31 5907 Siskiyou lower end Sky High Valley; Marble Mountains 1767 Comment
  HSC2196  Plagiobothrys bracteatus L. C. Wheeler 1934-6-3 2627 Siskiyou Cherry Flat, Klamath River 518 Comment
  UC79242  Plagiobothrys canescens Thomas Howell May 1889 1384 Siskiyou Hornbrook Comment
  UC618700  Plagiobothrys hispidus Ivan Johnston 1938-7-22 11350 Siskiyou Shasta Fir Forest, Sisson Southern TrailShasta Fir Forest Mount Shasta; , Shasta Fir Forest, Sisson Southern Trail Comment
  HSC21997  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-8-5 1763 Siskiyou W of Little Duck Lake 2073 Comment
  HSC44572  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  RSA68929  Platanthera leucostachys A. E. Culbertson 1943-7-12 29 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 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS109706  Platanthera sparsiflora Dean W. Taylor 2002-7-20 18253 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  HSC86550  Platanthera stricta D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar, vicinity of Jawbone Camp 1372 Comment
  SEINET3162859  Plectritis G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  HSC30213  Plectritis congesta subsp. brachystemon William J. Ferlatte 1968-6-8 1138 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  CHSC86624  Plectritis macrocera Jenny Marr 1993-7-1 7 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1540013  Plectritis macrocera M. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte (Lava Beds National Monument); Lava Beds National Monument 1371 Comment
  UC618751  Pleuricospora fimbriolata W. Bridge Cooke 1938-8-5 11460 Siskiyou Sisson Southern Trail, Canadian 1828 Comment
  CAS-BOT-BC261047  Poa Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  CAS-BOT-BC254999  Poa bulbosa Morris Halperin 1930-1-1 s.n. Siskiyou Yreka Comment
  SEINET7096765 Image available Poa bulbosa A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley. 0.8 miles north of Etna on Route 3. NAD27 41? deg. 28' 13ao, -122?_ 53' 51ao (converted to WGS84 decimal degrees) UTM Zone 10, 508563mE, 4590750mN. Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  POM112585  Poa nervosa Geo D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1677 Comment
  RSA238404  Poa pratensis Frederick W. Oettinger 1969-9-4 1630 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 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
  CAS-BOT-BC247529  Poa pringlei Wm. Bridge Cooke 1939-7-26 13755 Siskiyou Mount Shasta. Below Lake Helen on the Summit Trail 3048 Comment
  HSC76917  Poa pringlei K. T. Stillman 1976-6-26 129 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UCD91769  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  UCD91986  Poa rhizomata G. L. Stebbins Jr.; A. A. Beetle 1942-5-31 3263 Siskiyou along Klamath River, 13 miles east of Hamburg. Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  POM228870  Poa secunda L. C. Wheeler 1935-5-11 3478 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UCD91676  Poa secunda A. A. Heller 1921-7-17 13579 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  CAS-BOT-BC243239  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53435 Siskiyou Along E Fork Scott River 2 miles E of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC482452  Poa secunda subsp. secunda Dana York 2011-8-13 3062 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  HSC30659  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou Salmon Mountains, at the base of Abbotts Lake. 1799 Comment
  HSC77126  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 178 Siskiyou Marble Mtn. Wilderness Area. Comment
  JEPS45828  Poa secunda subsp. secunda Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek) Comment
  UC1265393  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou wnw of English Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1950 Comment
  HSC67787  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-20 3755 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69266  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-19 3694 Siskiyou Near FS Rd. 45N05 2018 Comment
  JEPS100991  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-11 10870 Siskiyou 2.5 miles NE Abobe Flat Reservoir (ca. 5 miles N of Timbered Creter), just west of right of way of Pacific Gas Pipeline. 1341 Comment
  SEINET13762989  Polemonium californicum G. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain. 1829 Comment
  UC164115  Polemonium micranthum Geo. D. Butler 1910-3-23 1137 Siskiyou near Yreka; near Yreka Comment
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  UC643266  Polemonium pulcherrimum subsp. pulcherrimum W. Bridge Cooke 1940-7-26 15381 Siskiyou Mt. Shasta , w side of Shastina (w side of Shastina) 3048 Comment
  CAS-BOT-BC170340  Polygala cornuta var. cornuta Doris K. Kildale 1925-9-6 1293 Siskiyou Somes Bar, near junction of Salmon & Klamath River 243 Comment
  CAS-BOT-BC170343  Polygala cornuta var. cornuta Marion Ownbey; Fred G. Meyer 1940-7-3 2164 Siskiyou 7 miles northwest of McCloud Comment
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  UCD99889  Polygonum argyrocoleon P. C. Everett; E. K. Balls 1954-10-13 20278 Siskiyou Yellow Pine Forest Community, Seiad Creek, road to Kangaroo Mt., 6.7 mi. n.e. from Hwy 96. 701 Comment
  JEPS51312  Polygonum aviculare subsp. aviculare W. L. Jepson 1894-7 Siskiyou Sisson Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  UC1408823  Polygonum bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou slope dropping down to Upper English Lake (near trail Y to English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC454280  Polygonum bistortoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  RSA237749  Polygonum bistortoides Frederick W. Oettinger 1967-8-20 295 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA170306  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 miles N of the limits of Dunsmuir, siskiyou. Comment
  UC558482  Polygonum davisiae W. B. Cooke 1936-8-9 7241 Siskiyou Panther Creek Meadows Mount Shasta (avalanche flat) 2286 Comment
  UC127342  Polygonum douglasii H. M. Hall and E. B. Babcock June, 1903 4096 Siskiyou Shasta Valley Mount Shasta 853 Comment
  UCD77951  Polygonum douglasii Robert E. Preston 2001-7-21 1752 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  JEPS50557  Polygonum douglasii subsp. johnstonii W. L. Jepson 1937-7-30 18539 Siskiyou near Poker Flat (summit of mts.); Siskiyou Mts. 1554 Comment
  UC1540158  Polygonum douglasii subsp. spergulariiforme Dean Wm. Taylor Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; small vernal depression in indurate lava flow 1304 Comment
  UC164463  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-8-1 188 Siskiyou Forest House Mountain Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  UC1045311  Polygonum lapathifolium W. Bridge Cooke 1940-7-12 15323 Siskiyou along Castle Lake rd near Mount Shasta City (near irrigation ditch) 1066 Comment
  UC1101160  Polygonum lapathifolium Verne Grant and Irving Schneider 1947-8-25 8278 Siskiyou Tule Lake; w side Comment
  CHSC110955  Polygonum minimum B. Castro; L. P. Janeway 2007-7-29 1667 A Siskiyou High Cascade Range. Medicine Lake Highlands; about 0.5 mi W of Medicine Lake, 0.3 mi W on USFS Rd43N48 from its jcn with Rd 43N47 (which is the road to Schonchin Spring). 2075 Comment
  UCR37850  Polygonum phytolaccifolium K. T. Stillman 1976-6-25 79 Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  HSC92955  Polygonum polygaloides subsp. kelloggii Jennifer Whipple 1976-7-9 1389 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1409241  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou slope between English Peak and Diamond Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  RSA466411  Polygonum spergulariiforme M. B. Dunkle 1944-8-25 9176 Siskiyou Siskiyou National Forest; Coastal Northern California. Comment
  HSC10848  Polypogon monspeliensis R. C. Wunner 1965-9-1 502 Siskiyou Lava Beds National Monument. NW boundary at end of dike. By shore of Tule Lake. Comment
  HSC22491  Polystichum imbricans subsp. imbricans J. O. Sawyer 1969-6-12 879 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC58845  Polystichum imbricans subsp. imbricans Marvin Butler 1971-7-20 169 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  UCD78120  Polystichum lemmonii Robert E. Preston 2001-6-30 1646 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1828 Comment
  RSA123580  Polystichum lemmonii G. D. Barbe 1955-7-9 147 Siskiyou Among rocks beside a stream on SW shore of Kangaroo Lake, Scott Mts. 1829 Comment
  SD76178  Polystichum lemmonii Helen V. Witham 1969-10-6 566 Siskiyou Scott Mountains, cliffs above Kangaroo Lake Comment
  HSC79131  Polystichum lonchitis C. J. Thomas 1983-10-1 87 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  HSC46072  Polystichum munitum J. P. Smith, Steve Selva 1970-6-14 3875 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UC1483403  Polystichum munitum John Palmer 1980-8-15 982 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Seiad Valley Quadrangle 1097 Comment
  UC366561  Polystichum scopulinum unknown 1878-7-12 Siskiyou near Shasta (Mt. Eddy) Comment
  HSC99282  Populus fremontii subsp. fremontii Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  HSC19902  Populus tremuloides R. C. Wunner 1965-7-13 384 Siskiyou Lava Beds National Monument, Indian Well prefab near maintenance area 1433 Comment
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  CHSC57468  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side of Klamath River at Dillon Creek. 228 Comment
  HSC103183  Potamogeton pusillus Dana York 2011-9-9 3089 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC100794  Potamogeton pusillus var. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou In the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA261500  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  UC903055  Potentilla fruticosa Mrs. H. P. Bracelin 1931-6-21 456 Siskiyou above Dobkins Lake (n side of Mount Eddy); above Dobkins Lake, n side Mount Eddy 2133 Comment
  CAS-BOT-BC540571  Potentilla gracilis var. fastigiata Alice Eastwood 1912-7-17 1184 Siskiyou Sisson Comment
  CAS-BOT-BC158527  Potentilla millefolia A. A. Heller 1905-6-20 8074 Siskiyou Gazelle Station Comment
  UCD113806  Potentilla millefolia M. V. Maxwell 1941-6-25 s.n. Siskiyou 14 mi. E. of Montague. 914 Comment
  CAS-BOT-BC143315  Potentilla newberryi David D. Keck 1940-6-13 5173 Siskiyou Grass Lake 1540 Comment
  CHSC86637  Poteridium annuum Jenny Marr 1993-7-1 20 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  HSC4473  Primula suffrutescens William J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  CAS-BOT-BC517366  Prosartes smithii Louis C. Wheeler 1934-8-10 3104 Siskiyou Klamath National Forest, Jaynes Canyon 1127 Comment
  HSC82361  Prunella vulgaris subsp. lanceolata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4516 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA48221  Prunus emarginata Roxana S. Ferris 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  UC618857  Prunus emarginata W. Bridge Cooke 1938-7-22 11318 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UC136941 Image available Prunus subcordata J. G. Lemmon and Mrs. Lemmon 1874-1 Siskiyou near Sisson; U. S. Pacific Slope; near Sisson Comment
  CAS-BOT-BC151231  Prunus virginiana var. demissa L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  HSC37440  Prunus virginiana var. demissa John Rehling 1976-5-26 401 Siskiyou 3.1 mi. N of Callahan along SR 3 Comment
  HSC43426  Prunus virginiana var. demissa Maralyn O'Meara 1974-5-26 448 Siskiyou Along Hwy. 3, 1/2 mi. NE of Fort Jones 854 Comment
  HSC59609  Prunus virginiana var. demissa J. P. Smith, Steve Selva 1970-7-16 4411 Siskiyou Beaver Creek Campground. 823 Comment
  RSA15594  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp. Comment
  UC144438  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou between Shasta Retreat and Shasta Springs Comment
  HSC29165  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Marble Mtn. Wilderness Area, ridge from Arrow Peak to King David Peak, English Lake Basin 1936 Comment
  OBI55480  Pseudognaphalium thermale David J. Keil, Kathleen Keil 1992-7-21 23527 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC239812  Pseudoroegneria spicata Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  CAS-BOT-BC239814  Pseudoroegneria spicata Milo S. Baker 1955-6-26 1383 Siskiyou Shasta Val., bet. Weed and Gazelle 914 Comment
  JEPS72981  Pseudoroegneria spicata subsp. spicata W. L. Jepson 1940-6-22 19973 Siskiyou Klamath River near Hornbrook; Klamath River 670 Comment
  CHSC71572  Pseudostellaria jamesiana Vernon H. Oswald; Lowell Ahart 1998-8-3 9427 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CHSC86667  Pseudostellaria jamesiana Jenny Marr 1993-7-1 50 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC27953  Pseudotsuga menziesii var. menziesii Carl W. Mize 1972-9-23 115 Siskiyou 0.5 mi from end of Steinacher Creek Rd. 884 Comment
  HSC69562  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-6 2286 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  NY63871  Pseudotsuga menziesii var. menziesii M. F. Denton 1973-6-30 2969 Siskiyou Klamath National Forest: Young's Valley, ca. 5 miles south of Sanger Lake, on trail up El Capitan 1432.6 Comment
  UC55662  Pseudotsuga menziesii var. menziesii Harley P. Chandler 1901-6-1 1685 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  RSA593945  Pseudotsuga menziesii var. menziesii L. C. Wheeler 1963-9-3 8337 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC68442  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-7-4 1387 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow Comment
  UC1505634  Pterospora andromedea Robert T. Clausen and Harold Trapido 1940-7-26 4949 Siskiyou canyon of Mud Creek South Cascade Mts., Sacramento River Basin 1463 Comment
  HSC97135  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  UC1738836  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9288 Siskiyou along Highway 161 8.3 mi W of Hwy 139, Lower Klamath Lake National Wildlife Refuge 1249 Comment
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Oct 8 2007
  UCR13736  Purshia tridentata N. R. Zabriskie, W. W. Zabriskie 1971-7-23 411 Siskiyou Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  CAS-BOT-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  SBBG30530  Purshia tridentata var. tridentata D. Myrick 1968-6-22 1991 Siskiyou Lava Beds Nat Monument 1371 Comment
  POM62291  Pycnanthemum californicum E. B. Copeland 1903-8-12 3837 Siskiyou Sisson. Comment
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Jan 23 2011
  CAS-BOT-BC465506  Pyrola asarifolia A. A. Heller 1921-6-28 13559 Siskiyou At the State Teachers College near Mt. Shasta Comment
  HSC61507  Pyrola crypta Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1524 Comment
  JEPS82485  Pyrola crypta Gilbert Muth 1965-8-10 198 Siskiyou Along either trail, Black Mt., Marble Mt 1828 Comment
  HSC69415  Pyrola dentata John Palmer 1980-7-23 565 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  CAS-BOT-BC462807  Pyrola dentata L. N. Lorenzen no date on label 28679 Siskiyou Shasta Forest, Tamarack Springs 1676 Comment
  HSC19195  Pyrola picta J. O. Sawyer 1968-9-13 720 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS93912  Pyrola picta Vernon H. Oswald and Lowell Ahart 1998-8-3 9432 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA0084305  Pyrola picta Diana D. Jolles, Erik M. Beaston 2011-7-3 440 Siskiyou Shasta-Trinity National Forest (Shasta Unit). Area is about 5 miles south-southeast of Bartle. On 39N06 road between Highway 89 and Pacific Crest Trail, just past Bartle Gap. 1478 Comment
  UC456157  Pyrola picta I. J. Condit 1911-7-22 Siskiyou Mt. Shasta, trail to Horse Camp 1524 Comment
  CAS-BOT-BC466131  Pyrola picta Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake 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
  UC1561862  Pyrrocoma racemosa var. paniculata Barbara Ertter 1987-7-26 7323 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3 at road junction, w of road) 1371 Comment
  RSA14480  Pyrrocoma racemosa var. paniculata Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh. Comment
  OBI55398  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  CAS-BOT-BC362388  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 Comment
  CAS-BOT-BC68646  Quercus chrysolepis Doris K. Kildale 1929-7-20 8748 Siskiyou Elk Lick, South Fork Indian Creek Comment
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  CAS-BOT-BC94651  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  POM106330  Quercus garryana var. garryana Geo. D. Butler 1908-8-16 233 Siskiyou Yreka Hills. Comment
  HSC27626  Quercus kelloggii Carl W. Mize 1972-8-17 105 Siskiyou Near Gates Creek 366 Comment
  CAS-BOT-BC104338  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  CAS-BOT-BC104341  Quercus sadleriana Baki Kasapligil 1981-6-26 6192 Siskiyou Around the Lake Bolan, Siskiyou Comment
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Jun 23 2018
  CAS-BOT-BC104367  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou E of Cook & Green Pass 1524 Comment
  HSC27623  Quercus sadleriana Carl W. Mize 1972-6-23 99 Siskiyou Along trail from Camp 3 976 Comment
  JEPS89112  Quercus sadleriana Wayne Roderick 1978-9-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1463 Comment
  OBI69128  Quercus sadleriana Dieter H. Wilken, E. Painter 2000-8-10 15852 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  UC1313014  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou junction Red Rock Valley trail and Canyon Creek trail; Marble Mountain Wilderness Area 1341 Comment
  UCD14458  Quercus sadleriana G. L. Stebbins 1972-7-3 s.n. Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; north of Seiad Valley, T 47N, R 11W, Sect. 9, Seiad Valley Quadrangle; Comment
  UCD47229  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Local and uncommon: growing in one clump along the N shore of Tobacco Lake in shade of lake shore open woods. 1889 Comment
  CAS-BOT-BC104642  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek 1371 Comment
  HSC31796  Quercus vacciniifolia Steve Selva, Roger Jensen 1974-8-16 11 Siskiyou Above Sugar Lake Comment
  UC1409374  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou along the trail from English to Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  UC1090393  Quercus vacciniifolia Milo S. Baker 1957-6-16 13144 Siskiyou trip to Scott Mt. North Coast Ranges 1219 Comment
  UC1733709  Ranunculus Frank Gould, Kay H. Beach 1940-5-16 1252 Siskiyou Bald Mtn. Comment
  UCD15034  Ranunculus John M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake; Comment
  SEINET3159741  Ranunculus alismifolius G. D. Butler 1910-5-10 1322 Siskiyou Goosenest; Bulls meadows 1676 Comment
  UC480876  Ranunculus alismifolius var. alismellus Annie M. Alexander and L. Kellogg 1911-6-26 192 Siskiyou Jackson Lake Comment
  RSA399362  Ranunculus alismifolius var. alismellus M. B. Dunkle 9347 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  UC164980  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-8-10 361 Siskiyou near Log Lake; Shackelford Creek Comment
  UC454031  Ranunculus aquatilis var. capillaceus I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  RSA0005358  Ranunculus marmorarius H. P. Chandler 1901-06 1691 Siskiyou Near Marble Mountain 2134 Comment
  RSA7704  Rhamnus ilicifolia Doris K. Kildale 1927-11-20 4161 Siskiyou Hornbrook. Comment
  RSA0005516  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1098 Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  RSA7819  Rhamnus purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  UC725519  Rhamnus rubra A. A. Heller 1920-8-13 13525 Siskiyou Upton Comment
  CAS-BOT-BC109791  Rhodiola integrifolia subsp. integrifolia G. J. Muth 1969-8-8 1289 Siskiyou Gap Meadow, Boulder Peak Ridge. 2286 Comment
  HSC22483  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-24 1485 Siskiyou SW of Sugar Lake 1890 Comment
  HSC68407  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1415 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC438000  Ribes Alice Eastwood 1912-7-19 1245 Siskiyou Mount Shasta 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-BC92539  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  RSA0021095  Ribes inerme var. klamathense G. D. Barbe 1955-6-29 42 Siskiyou 1.8 miles east of Callahan, south bank of Scott River. 976 Comment
  CAS-BOT-BC173302  Ribes lacustre W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, southern Siskiyou County Comment
  HSC34292  Ribes lacustre J. P. Smith, J. O. Sawyer 1973-8-14 7286 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  UC195273  Ribes lacustre Annie M. Alexander and Louise Kellogg 1911-6-24 184 Siskiyou Jackson Lake 1798 Comment
  HSC19377  Ribes lobbii J. O. Sawyer 1968-9-11 694 Siskiyou E of Mud Lake 1494 Comment
  HSC22486  Ribes lobbii J. O. Sawyer 1969-6-12 875 Siskiyou E facing upper slope above Sugar Creek 1982 Comment
  UC1408857  Ribes lobbii Frederick W. Oettinger 1969-8-6 1250 Siskiyou outlet Pine Lake; Salmon Mountains, Marble Mountain Wilderness 1828 Comment
  SEINET13942695 Image available Ribes nevadaense Alice Eastwood 2012-1 1324 Siskiyou Cantara Comment
  CAS-BOT-BC219263  Ribes nevadense H. E. Brown 1897-7-15 586 Siskiyou S side of Mount Shasta 3048 Comment
  JEPS82696  Ribes nevadense Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow) 1912 Comment
  SD76163  Ribes nevadense Helen V. Witham 1969-10-7 548 Siskiyou Northwest face, granite cliffs above Kangaroo Lake, Scott Mts. 2100 Comment
  RSA0022722  Ribes nevadense var. glaucescens A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  CAS-BOT-BC199980  Ribes roezlii var. cruentum John H. Thomas 1954-5-14 4185 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  CAS-BOT-BC199985  Ribes roezlii var. cruentum Alice Eastwood 1923-5-18 11840 Siskiyou Shasta Springs Comment
  CAS-BOT-BC199996  Ribes roezlii var. cruentum Marion Ownbey; Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain Comment
  UC165382  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug road Comment
  CAS-BOT-BC200008  Ribes roezlii var. cruentum William A. Dayton 1913-6-13 209 Siskiyou Shasta National Forest. E. Fk of Scott River range opposite China Mt. 1706 Comment
  RSA0024596  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  HSC33961  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  RSA0020885  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC29416  Ribes viscosissimum Frederick W. Oettinger 1969-7-9 934 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  HSC61944  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC99213  Romanzoffia sitchensis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS53851  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Butler's Ranch near Yreka, Butler's Ranch Comment
  JEPS53854  Rorippa curvisiliqua Milo S. Baker 1898-8-1 486 Siskiyou shore Medicine Lake; shore of Medicine Lake Comment
  CAS-BOT-BC74656  Rorippa curvisiliqua Doris K. Kildale 1928-8-20 6593 Siskiyou Lily Pad Lake, near Hancock Lookout trail to Marble Mountain. 2133 Comment
  UC375305  Rorippa nasturtium-aquaticum Geo. D. Butler 1908-6-23 1057 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC147462  Rosa californica A. M. Vollmer; L. Beane 1951-6-2 41 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CAS-BOT-BC147464  Rosa californica Doris K. Kildale 1929-6-25 8371 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  NY345431  Rosa copelandii E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy 1463 Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  HSC67674  Rosa gymnocarpa John Palmer 1980-7-24 595 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC73277  Rosa gymnocarpa Gail Newton 1980-6-20 475 Siskiyou Near Bald Mtn. 1097 Comment
  HSC96805  Rosa gymnocarpa S. Lyon 2006-6-2 2 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  UC1409335  Rosa gymnocarpa Frederick W. Oettinger 1968-8-17 559 Siskiyou Pine Lake Meadows Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  CAS-BOT-BC147058  Rosa pisocarpa Alice Eastwood 1912-7-17 1147 Siskiyou Sisson Comment
  HSC44578  Rosa pisocarpa Laura Witherspoon 1977-7-30 Siskiyou W edge of Flint Valley 1341 Comment
  RSA237808  Rosa pisocarpa Frederick W. Oettinger 1969-8-18 1434 Siskiyou Base of cliff NE of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  RSA68898  Rosa pisocarpa A. E. Culbertson 1943-7-12 59 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
  UC1045314  Rosa pisocarpa W. Bridge Cooke 1940-6-20 15172 Siskiyou Klamath River near the Pacific Highway below Hornbrook 609 Comment
  CAS-BOT-BC148189  Rosa rubiginosa Geo. D. Butler 1910-7-31 1802 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC148192  Rosa rubiginosa Carl B. Wolf 1927-8-26 1007 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC148194  Rosa rubiginosa Alice Eastwood 1912-7-20 1263 Siskiyou Hornbrook Comment
  CAS-BOT-BC149740  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-8-30 1969 Siskiyou Mount Eddy Comment
  CAS-BOT-BC149743  Rosa woodsii subsp. ultramontana L. B. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  POM88114  Rosa woodsii var. ultramontana Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek. Comment
  LA208218  Rubus lasiococcus Louis C. Wheeler; 1934-8-13 3116 Siskiyou Siskiyou Mountains, Johnson Dairy 1828 Comment
  CAS-BOT-BC147976  Rubus leucodermis Edward Lee 1934-8-15 1133 Siskiyou Near summit of Happy Camp to Waldo (Oregon) Road, Indian Creek watershed, Klamath National Forest 1584 Comment
  CAS-BOT-BC147316  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC27673  Rubus parviflorus Carl W. Mize 1972-6-8 31 Siskiyou Along main trail near Deer Lick Creek 351 Comment
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Feb 21 2013
  HSC59616  Rubus parviflorus J. P. Smith, Steve Selva 1970-6-16 4048 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC65560  Rubus parviflorus R. White 1977-7-21 132 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  RSA237588  Rubus parviflorus Frederick W. Oettinger 1967-7-30 221 Siskiyou Near campsite at N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC157159  Rubus ursinus Louis C. Wheeler 1934-6-29 2824 Siskiyou Klamath National Forest. Soda Creek 1280 Comment
  HSC68433  Rubus ursinus Maralyn A. Renner 1980-7-4 1452 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  CAS-BOT-BC363172  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  UC375326  Rumex acetosella Geo. D. Butler 1908-7-23 515 Siskiyou Yreka Comment
  CAS-BOT-BC422226  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  CHSC88096  Rumex salicifolius Jenny Marr 1993-7-1 106 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET10612171  Sabina occidentalis A. Arthur Heller 1938-7-12 Heller 15262 Siskiyou About 2 miles north of Bray, scattered among the sagebrush, in the Upper Sonoran Life Zone. It is one of the index plants for this zone here. Comment
  RSA237867  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-9-5 1688 Siskiyou South side of David Mt., Abbotts Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC29617  Sagina saginoides Frederick W. Oettinger 1969-9-5 1688 Siskiyou Marble Mtn. Wilderness Area, S side of Davis Mt., Abbotts Lake region 1677 Comment
  CAS-BOT-BC267084  Sagittaria Elmer I. Applegate 1923-8-21 3912 Siskiyou Willow Creek, near Dome Mountain Comment
  CAS-BOT-BC445652  Sagittaria cuneata Calvin McMillan; Malcom A. Nobs 1949-6-17 799 Siskiyou Grass Lake, Highway 97 Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  UC5247  Salix boothii Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  RSA215632  Salix eastwoodiae Gilbert Muth 1969-8-11 1356 Siskiyou Boulder Peak. 2378 Comment
  SBBG50694  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 b Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC107782  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15157 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  CAS-BOT-BC107784  Salix hindsiana L. B. Kildale 1930-5-31 9792 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC46778  Salix lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou Big Flat, S Fork of Salmon River below campground 1509 Comment
  UC1409263  Salix lasiandra subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou lake shore w. of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UC481728  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  UC482236  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  POM107146  Salix lasiolepis Geo. D. Butler 1908-9-20 1104 Siskiyou Yreka Creek. Comment
  POM219888  Salix lasiolepis H. P. Bracelin 1931-6-19 409 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC481720  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (trail from Downey Mill to lake, n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  UC482233  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482242  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC576393  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 842 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128302  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7549 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC124899  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC125689  Salix melanopsis W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  UC576381  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, beside creek at first bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  CAS-BOT-BC125692  Salix melanopsis W. R. Dudley 1907-8-23 s.n. Siskiyou South Fork Salmon by crossing of trail to 4 mile camp Comment
  RSA238272  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  UC481722  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou 13 km. n.w. Shasta City (1.3 km. e. of Burney Mill, beside creek at bridge, n. base Mt. Eddy); Mt. Eddy 1100 Comment
  SEINET12003644  Salix scouleriana H. P. Bracelin 1931-1 435 Siskiyou North base of Mount Eddy, about 10 km NW of Shasta City, east of Metcalf ranch house 80 Comment
  RSA17697  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-7 9408 Siskiyou Indian Well, Lava Beds National Monument Comment
  OBI5331  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow prop, Greenhorn Valley, ca 2 mi W of Yreka Comment
  SEINET13947646 Image available Salvia sonomensis A. A. Heller 1905-1 8044 Siskiyou Near Sisson Comment
  SEINET9287629  Sambucus canadensis var. canadensis 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
  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
  UC735044  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  UC735045  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 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
  UC165424  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Mountain Comment
  RSA790229  Sanicula tuberosa Rebecca Wenk 2005-6-17 169 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow. 1518 Comment
  SBBG30560  Sanicula tuberosa D. Myrick 1968-6-25 2012 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  RSA13890  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  UC187668  Saxifraga oregana Mrs. R. M. Austin July 1884 122 Siskiyou Pot Hole Springs Comment
  CHSC100002  Saxifragopsis fragarioides L. P. Janeway 2008-7-26 9506 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  JEPS13970  Saxifragopsis fragarioides W. L. Jepson 1907-7-5 2833 Siskiyou Marble Mt. Comment
  RSA211115  Saxifragopsis fragarioides William J. Ferlatte 1967-8-6 816 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  UC1409258  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou ridge between English Peak and Diamond Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC110853  Scirpus congdonii Alice Eastwood 1921-7-24 10765 Siskiyou Castle Lake Comment
  SEINET7592336 Image available Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou S side of Horse's Hole Pond, above Horse Range Lake 1875 Comment
  JEPS63970  Scirpus microcarpus Mrs. B. C. Goldsmith 1916-9-19 24 Siskiyou Sisson Comment
  POM211436  Scirpus microcarpus L. C. Wheeler 1934-9-22 3300 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  CDA3396  Scleranthus annuus F. D. Horn 1974-5-13 Siskiyou D. V. Meadows property, Shasta Valley Road, Weed. 0 Comment
  POM215862  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley. 884 Comment
  POM15709  Scrophularia californica Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  CHSC63403  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1994-7-11 6406 Siskiyou Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. 1447 Comment
  HSC74822  Scutellaria antirrhinoides J. P. Smith, Jennifer Whipple 1978-7-2 9982 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC163997  Scutellaria antirrhinoides Geo. D. Butler 1908-7-20 176 Siskiyou Humbug Creek Comment
  RSA14093  Scutellaria antirrhinoides Elmer I. Applegate 1907-09 3306 Siskiyou Thrall, near Klamath River, Shasta Valley. 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
  CAS-BOT-BC214252  Scutellaria nana Elmer I. Applegate 1935-6-6 9365 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC214254  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Near Igerna Comment
  UC164121  Scutellaria siphocampyloides Geo. D. Butler 1909-6-20 939 Siskiyou near Yreka Comment
  RSA297051  Sedum lanceolatum John F. Emmel 1974-7-22 523 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  CAS-BOT-BC64648  Sedum obtusatum subsp. boreale Alice Eastwood 1923-5-23 s.n. Siskiyou Cantara, S.P.R.R. Comment
  CHSC96164  Sedum obtusatum subsp. boreale L. P. Janeway 2006-7-3 8772 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  UC637043  Sedum obtusatum subsp. boreale Edward Lee 1934-8-14 1105 Siskiyou Little Grayback Little Grayback (rocky n-facing slope at summit, Siskiyou-Del Norte County Line) 1868 Comment
  HSC50569  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10145 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2105 Comment
  SEINET13761495  Sedum oregonense R. E. Brainierd, N. Otting 2013-7-8 CWG- 247 Siskiyou Salmon Mountains, Russian Wilderness, ridge S Little Duck Lake. 2236 Comment
  HSC74918  Sedum radiatum J. P. Smith, Jennifer Whipple 1978-7-2 9967 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  RSA0074772  Sedum spathulifolium L. C. Wheeler 1934-8-16 3171 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  UC1299669  Sedum spathulifolium Freed W. Hoffman 1950-7-14 4010 Siskiyou Clear Creek trail from Baldy Lookout (western Siskiyou County); Clear Creek trail from Baldy Lookout Comment
  HSC63301  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-7-30 1069 Siskiyou 1900 Comment
  RSA576443  Selaginella wallacei Louis Cutter Wheeler 1935-4-14 3419 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  UC618631  Senecio aronicoides W. Bridge Cooke 1938-6-17 11013 Siskiyou Sisson Southern Trail Mount Shasta 1524 Comment
  CDA8599  Senecio canus T. C. Fuller 1977-6-14 20211 Siskiyou North of Highway 97, 3 km southwest of Deer Mountain Lodge. 0 Comment
  RSA155891  Senecio canus P. H. Raven 1962-5-30 17901 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  CAS-BOT-BC363646  Senecio fremontii var. occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Mt. Eddy Comment
  HSC76771  Senecio hydrophiloides K. T. Stillman 1976-8-7 373 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  UC1299449  Senecio integerrimus var. exaltatus Freed W. Hoffman 1950-7-13 3551 Siskiyou ne slope Baldy Mountain highest peak; Baldy Mountain 1743 Comment
  UC166169  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills Goosenest 1524 Comment
  HSC2277  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  JEPS67293  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20061 Siskiyou McCloud 975 Comment
  UC1299200  Sidalcea oregana subsp. oregana Freed W. Hoffman 1951-7-15 4032 Siskiyou on w side Kelsey Creek (Hammond Camp, Marble Mountains, western Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  UCD13282  Sidalcea oregana subsp. spicata K. F. Mawdsley 1996-7-10 14 Siskiyou California, Siskiyou County. From Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5450. Comment
  CHSC75697  Silene campanulata subsp. glandulosa Vernon H. Oswald; Lowell Ahart 1999-7-5 9822 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet Hancock Lake, high lake basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  HSC19523  Silene douglasii J. O. Sawyer 1969-7-2 1032 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  UC618781  Silene grayi W. Bridge Cooke 1938-8-18 11494 Siskiyou Horse Camp Slopes , Horse Camp Slopes (sw slopes Mount Shasta) 2514 Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC54271  Silene lemmonii H. M. Hall and E. B. Babcock June, 1903 4126 Siskiyou pass at head of McCloud River Sierra Nevada Mountains, head of McCloud River (ne Shasta County) 1524 Comment
  UCR51823  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  CHSC116262  Sisyrinchium elmeri Barbara L. Wilson; Nick Otting 2014-6-16 18103 Siskiyou Spur off Highway 26, uphill of Gumboot Lake. 1819 Comment
  SEINET10607333  Sitanion longifolium Edwin B. Copel 1903-7-3 Copeland 3536 Siskiyou Klamathon. Comment
  UC454432  Smilacina racemosa I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  RSA715956  Solanum dulcamara L. Ahart, John Dittes 2005-6-10 12078 Siskiyou On the N side of the Shasta River, about 60 yards NW of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Grenada. 777 Comment
  JEPS94859  Solanum umbelliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9458 Siskiyou Kangaroo Lake Road (USFS 41N08) 2.6 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1426 Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  CAS-BOT-BC365566  Solidago elongata L. R. Short 1933-9-8 69 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  UC185524  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  UC637151  Solidago elongata Edward Lee 1934-8-12 1046 Siskiyou 1/4 mi w of mouth Walker Creek (a tributary of the Klamath River (e end of Seiad Valley)) 426 Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  OBI55540  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-24 23566 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UC60958  Solidago velutina subsp. californica Geo. B. Grant 1902-9-2 5205 Siskiyou Dunsmuir Dunsmuir (n part of California) Comment
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  UC1409378  Sorbus californica Frederick W. Oettinger 1968-9-8 789 Siskiyou outlet of English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  RSA145150  Sparganium angustifolium Dorothy Parker 1960-9-10 791 Siskiyou Trail to Gulch Lake, Salmon Mountains. 2012 Comment
  RSA68914  Sparganium angustifolium A. E. Culbertson 1943-8-4 44 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  HSC30898  Spergula arvensis Melinda F. Denton 1973-6-27 2800 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  CAS-BOT-BC390713  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Miller Grade, Siskiyou Mts. 1828 Comment
  HSC16043  Sphaeralcea ambigua D. M. Thomson 1965-8-6 166 Siskiyou Lava Beds N.M., S Boundry Rd., near Tichner Rd. Comment
  UC106129  Sphenosciadium capitellatum Brandegee July 1887 Siskiyou Mt. Shasta Comment
  SD98959  Spiraea densiflora D. F. Howe 1977-7-1 Siskiyou Mountain Creek on Scott River Road 1463 Comment
  CAS-BOT-BC149675  Spiraea douglasii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  UC572795  Spiraea douglasii unknown 1937-8-6 9188 Siskiyou Bear Spring; Mt. Shasta 1524 Comment
  HSC61452  Spiraea splendens var. splendens Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UCLA70899  Stachys ajugoides var. rigida Louis C. Wheeler 1934-6-4 2631 Siskiyou Humbug Gulch Siskiyou Mts., Horse Creek 609 Comment
  CDA19580  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; Yreka Park, 0.5 mi W of Yreka. 844 Comment
  HSC164  Stachys rigida William J. Ferlatte 1966-8-2 242 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  JEPS9638 Image available Staphylea bolanderi L. E. Smith 1912-1 Siskiyou Dunsmuir Comment
  HSC18969  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-7-11 857 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC719  Stellaria crispa William J. Ferlatte 1967-8-20 1058 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  POM101747  Stellaria longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  RSA22059  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  SBBG21770  Stephanomeria lactucina D. Myrick 1964-7-25 945 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  UC917271  Stephanomeria lactucina R. Tofsrud and J. M. Tucker 1948-8-4 1784 Siskiyou ca 1.5 mi nw McCloud Comment
  JEPS24625  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  UC618702  Stephanomeria paniculata unknown 1938-7-22 11316 Siskiyou Sisson Southern Trail Mount Shasta 1219 Comment
  UC830517  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  HSC30693  Stipa occidentalis var. californica Frederick W. Oettinger 1968-8-8 454 Siskiyou Marble Mtn. Widlerness Area, Crapo meadow near Tom Taylor Cabin. 2027 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC87838  Streptanthus tortuosus Alice Eastwood 1912-7-19 1241 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87841  Streptanthus tortuosus Alice Eastwood 1921-7-29 10961 Siskiyou Little Mount Hoffman. Comment
  HSC103548  Streptanthus tortuosus var. orbiculatus Thomas W. Nelson 2005-5-23 9315 Siskiyou Shoeinhorse Mountain, along Forest Service Road 11, at Deer Creek. 948 Comment
  SEINET10448528  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-18 Taylor 3263 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC58949  Streptopus amplexifolius Marvin Butler 1971-7-9 79 Siskiyou Near El Capitan 1464 Comment
  HSC62005  Streptopus amplexifolius Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC792  Streptopus amplexifolius William J. Ferlatte 1967-7-9 690 Siskiyou Kidd Creek Trail 1677 Comment
  HSC30443  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Marble Mtn. Wilderness Area, inlet to Hancock Lake 1936 Comment
  UC796666  Streptopus amplexifolius var. americanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11749 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UC60980  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5156 Siskiyou Mount Shasta 914 Comment
  SBBG25841  Symphyotrichum foliaceum D. Myrick 1966-8-9 1509 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC97947  Symphyotrichum frondosum Geo. D. Butler 1910-9-13 1873 Siskiyou Butte Valley 1280 Comment
  UC75825  Symphyotrichum spathulatum Milo S. Baker 1899-7-1 Siskiyou above, e slope of Mt. Shasta Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC69166  Symphyotrichum spathulatum var. spathulatum Maralyn A. Renner 1980-8-4 2214 Siskiyou Flint Valley 1390 Comment
  POM216003  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley. 793 Comment
  UC564179  Taraxia tanacetifolia Elmer I. Applegate 1935-7-2 9285 Siskiyou old road to the lava beds near National Monument; Frenner's ranch Comment
  HSC29413  Tauschia howellii Frederick W. Oettinger 1968-8-4 394 Siskiyou Salmon Mountains: ridge top and SE slope at gap where English Peak-Hancock Lake trail crosses the Crapo Peak ridge. 2195 Comment
  CAS-BOT-BC81343  Taxus brevifolia H. M. Hall 1902-9-15 5250 Siskiyou Dunsmuir 609 Comment
  CAS-BOT-BC85246  Taxus brevifolia Doris K. Kildale 1929-5-11 7719 Siskiyou Cecilville, South fork of Salmon River Comment
  RSA181617  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Along Kidder Creek. 915 Comment
  HSC77035  Thalictrum fendleri K. T. Stillman 1976-6-17 15 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  CAS-BOT-BC88080  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake. 1280 Comment
  UCD93360  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  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
  JEPS84105  Thlaspi montanum var. montanum L. R. Heckard with J. Hickman et al. 1986-7-17 6457 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); ridge e of Kangaroo Peak, s of Lily Pad Lake 1940 Comment
  CAS-BOT-BC66792  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Dry hill near Yreka. Comment
  HSC6996  Thysanocarpus curvipes L. C. Wheeler 1935-5-11 3477 Siskiyou Klamath River at Ash Creek, near river 610 Comment
  UC530060  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork Beaver Creek; Siskiyou Mts., West Fork Beaver Creek 1066 Comment
  RSA126259  Tolmiea menziesii I. L. Wiggins 1955-7-24 13501 Siskiyou Trail at crossing of China Creek, above diversion dam. 1302 Comment
  SD88344  Tolmiea menziesii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State line, on road to Happy Camp 1646 Comment
  RSA427249B  Tonella tenella J. P. Smith 1973-5-5 6408 Siskiyou Along Cook and Green Pass road. Comment
  POM198423  Torreyochloa pallida var. pauciflora Geo D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC377155  Tragopogon porrifolius L. B. Kildale 1930-5-31 9815 Siskiyou Island in Klamath River near Hornbrook Comment
  UC160925  Trautvetteria caroliniensis var. occidentalis Harley P. Chandler June, 1901 1601 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  CAS-BOT-BC519562  Triantha occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Mt.: Marble Valley 1792 Comment
  CAS-BOT-BC519564  Triantha occidentalis subsp. occidentalis H. E. Brown 1897-7-15 523 Siskiyou South side of Mt. Shasta 3048 Comment
  HSC60915  Triantha occidentalis subsp. occidentalis Al Hobart Siskiyou Black Butte Comment
  HSC61458  Trichostema oblongum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC99288  Trichostema simulatum C. B. Wolf 1927-8-26 1054 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  UC22508  Trientalis latifolia Milo S. Baker 1893-6 Siskiyou 6 m below Bartles (McCloud River); McCloud River Comment
  UCD166858  Trifolium arvense Robert E. Preston 2016-7-7 3060 Siskiyou 4.2 mi NE of Forks of Salmon, along Sawyers Bar Rd, near mouth of Big Creek. 478 Comment
  RSA293201  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  HSC68550  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 893 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC72474  Trifolium eriocephalum J. P. Smith 1973-5-5 6460 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CHSC75715  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  JEPS48898  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou below Log Lake (canyon, Shackleford Creek) Comment
  UCD111253  Trifolium longipes A. C. Hoofer 1926-8-27 s.n. Siskiyou Siskiyou Mtn., Preston Peak Dist. Comment
  JEPS109714  Trifolium longipes subsp. oreganum Dean W. Taylor 2002-7-21 18275 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes. Shasta-Trinity National Forest. 2316 Comment
  POM27532  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Yreka. Comment
  CHSC985  Trifolium pratense K. Jaekel 1939-7-3 Siskiyou Black Butte Meadows. 1158 Comment
  JEPS109396  Trifolium pratense Dean W. Taylor 2004-7-19 19190 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  JEPS83895  Trifolium pratense Wayne Roderick Aug 1975 Siskiyou Cook and Green Pass Syskiyou Mtns Comment
  UC375414  Trifolium repens Geo. D. Butler 1908-6-23 1036 Siskiyou Yreka Comment
  UCD78178  Trifolium retusum Robert E. Preston 2008-5-13 2630 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River 229 Comment
  UC61695  Trifolium willdenovii Geo. B. Grant September, 1902 5072 Siskiyou Sisson Mount Shasta Comment
  POM28037  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka. Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  HSC60803  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-25 240 Siskiyou Tributary to N Russian Creek, 1/2 mi. S of Etna Summit on rd. from Sawyer's Bar to Etna 1707 Comment
  HSC60806  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC66232  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Hancock Lake inlet 1951 Comment
  UC1409310  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-15 1035 Siskiyou w. bank of Abbott Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1676 Comment
  RSA234818  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-6 149 Siskiyou Off Music Creek logging road, Statue Creek spur along Statue Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC19120  Trisetum spicatum J. O. Sawyer 1969-8-1 1631 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76721  Trisetum spicatum K. T. Stillman 1976-8-7 388 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  POM352883  Trisetum spicatum Anonymous 1908-07 9203 Siskiyou Marble Mts.; Upper Canyon Creeks. Comment
  UCD78066  Trisetum spicatum Robert E. Preston 2001-8-26 1769 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  RSA14319  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  CAS-BOT-BC133486  Triteleia crocea Alice Eastwood; John Thomas Howell 1934-4-20 1741 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC133490  Triteleia crocea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC133495  Triteleia crocea Clarence R. Quick 1959-6-19 59 -02 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC68552  Triteleia crocea Maralyn A. Renner 1980-6-8 802 Siskiyou Slopes E of Hwy. 3 1341 Comment
  RSA78679  Triteleia crocea Philip A. Munz 1952-7-2 17872 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  CAS-BOT-BC522337  Triteleia hyacinthina Alice Eastwood; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CHSC31157  Triteleia ixioides subsp. anilina M. S. Taylor 1980-7-8 3110 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  RSA12615  Tsuga mertensiana C. B. Wolf 1934-7-5 5970 Siskiyou North side of main ridge, 2 8/10 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains. 2134 Comment
  RSA237584  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou To the east of the inlet brook to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC80256  Tsuga mertensiana subsp. grandicona L. E. Smith 1913-8-1 545 Siskiyou Mt. Eddy Comment
  SBBG2387  Turritis glabra H. and M. Dearing 1939-7-2 3803 Siskiyou below Salmon Mtn Summit 1524 Comment
  UC5982 Image available Urtica dioica subsp. holosericea Edward L. Greene 1870-8-25 1028 Siskiyou near Etna Comment
  CHSC69747  Vaccinium cespitosum Loren Gehrung 1996-9-19 107 Siskiyou Scott Camp Ck, near Methodist Church Camp. 1 airmile NW of Castle Lake. Plants between creek and USFS Rd 39N46. 1505 Comment
  HSC19334  Vaccinium membranaceum J. O. Sawyer 1969-7-3 1050 Siskiyou Near Lipstick Lake 1951 Comment
  HSC19362  Vaccinium membranaceum J. O. Sawyer 1968-7-2 376 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC19368  Vaccinium membranaceum J. O. Sawyer 1968-6-18 208 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC83922  Vaccinium membranaceum K. Berg, Stephanie Bennett 1986-8-25 638 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  SEINET204348 Image available Vaccinium membranaceum Rimo Bacigalupi, L. Constance; L. Heckard 1960-7-20 7465 Siskiyou At edge of Twin Valley meadows, near stream; Siskiyou Mountains (about 12 air miles northwest of Happy Camp). 1585 Comment
  CAS-BOT-BC199475  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8618 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  RSA8228  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River watershed. Comment
  HSC83883  Vaccinium scoparium K. Berg, Stephanie Bennett 1986-8-25 643 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC76931  Vahlodea atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area, trail from Jump off to Paradise Lake Comment
  LA10867  Vahlodea atropurpurea Jason Swallen; 1939-8-24 13892 Siskiyou Mount Shasta, around Squaw Valley Creek 2285 Comment
  RSA201568  Vahlodea atropurpurea Jack Major, M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain. 1976 Comment
  JEPS80556  Valeriana sitchensis subsp. sitchensis Gilbert Muth 1965-8-6 190 Siskiyou backside of Black Mountain, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Black Mountain, Marble Mountain Wilderness Area 2042 Comment
  UC637032  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Happy Camp to Waldo (Oregon) road watershed of West Branch of Indian Creek; Klamath National Forest, watershed West Branch Indian Crk 1463 Comment
  HSC29265  Vancouveria hexandra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1232 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1860 Comment
  SD125883  Veratrum californicum Steve Morgan 1987-7-28 Siskiyou McGinnis Springs 5 miles northwest of McCloud, Shasta-Trinity National Forest, south of Mount Shasta. Meadow surrounded by pine planting and Red Fir forest. (IPB 4/08) 1773 Comment
  RSA237909  Veratrum californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Near Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  HSC81625  Veratrum californicum var. californicum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6201 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS62206  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Log Lake Comment
  UCD14452  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains. 1889 Comment
  UCR24867  Verbascum blattaria Don Emery 1981-9-10 s.n. Siskiyou Vacant lot between buildings in the town of Weed Comment
  POM43036  Verbascum blattaria Edward Palmer 1892-7-13 2540 Siskiyou Mt. Shasta and vicinity. Comment
  RSA123556  Verbascum blattaria G. D. Barbe 1955-7-7 143 Siskiyou East side of Forest Camp. Etna. 884 Comment
  HSC72388  Verbascum thapsus J. P. Smith, Steve Selva 1970-8-8 4545 Siskiyou Juanita Lake Comment
  RSA120641  Verbena lasiostachys var. lasiostachys G. D. Barbe 1955-6-28 17 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  UC1037353  Verbena lasiostachys var. lasiostachys Douglas Barbe 1955-6-28 17 Siskiyou 0.6 mi n, 50 yds from road Callahan; Klamath Mts 1036 Comment
  UC1045318  Verbena lasiostachys var. lasiostachys W. Bridge Cooke 1940-6-20 15149 Siskiyou along the Pacific Hwy in the Klamath River Gorge Comment
  HSC91114  Veronica copelandii Jennifer Whipple 1978-10-6 2398 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  HSC91121  Veronica copelandii Jennifer Whipple 1976-7-7 1326 Siskiyou N slopes of Mt. Eddy 2439 Comment
  HSC77924  Veronica copelandii Wayne Rolle Aug 1983 Siskiyou N aspect, where the snow stays late, on peridotite 1890 Comment
  HSC73320  Veronica peregrina subsp. xalapensis Gail Newton 1980-6-20 458 Siskiyou