Search Results — 2000 specimen records retrieved (1378 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS83903  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou e of Slaughter House Flat (n slope of Black Mt.); Black Mt. 1524 Comment
  HSC100315  Abies concolor G. L. Clifton, Griswold 1979-6-28 6127 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC36700  Abies concolor Brent Whitely 1975-7-3 131 Siskiyou 1220 Comment
  RSA0091807  Abies concolor Bonnie C. Templeton 1968-6-13 11329 Siskiyou Near Castle lake. 1981 Comment
  SBBG133153  Abies concolor B. C. Templeton 1968-6-13 11331 Siskiyou Mt Shasta, on rd to ski bowl 2835 Comment
  HSC5000  Abies lasiocarpa J. O. Sawyer 1969-8-1 1600 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC69194  Abies magnifica Maralyn A. Renner 1980-9-1 2693 Siskiyou Bear Mtn. 1936 Comment
  RSA386076  Acer circinatum E. E. Stanford 1930-6-15 1581 Siskiyou 1 mile north of Dunsmuir. Comment
  CAS-BOT-BC330989  Acer glabrum var. glabrum Alice Eastwood; John Thomas Howell 1937-6-25 5018 Siskiyou Scott Mts. above Callahan Comment
  CAS-BOT-BC331025  Acer glabrum var. glabrum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  RSA181623  Acer glabrum var. torreyi Dorothy Parker 1950-6-4 447 Siskiyou Salmon Mountain 1921 Comment
  CAS-BOT-BC332786  Acer macrophyllum Alice Eastwood 1923-5-29 12000 Siskiyou Cantara Comment
  POM137064  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek. Comment
  CDA35548  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2620 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CAS-BOT-BC18864  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  CAS-BOT-BC28857  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC134225  Achillea millefolium Dr. E. B. Copeland 1903-7-4 3546 Siskiyou Klamathon; Pacific Coast Comment
  UC61076  Achillea millefolium W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson; Mount Shasta Comment
  RSA50158  Achillea millefolium E. K. Balls 1949-7-9 s.n. Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  UC796591  Achnatherum lemmonii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11791 Siskiyou Scott Mountain Road s of Callahan; Scott Mountain Road Comment
  CAS-BOT-BC216918  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  CAS-BOT-BC216924  Achnatherum occidentale Alice Eastwood 1921-7-28 10931 Siskiyou Medicine Lake Comment
  UCD50899  Achnatherum occidentale R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up to Panther Meadow, Mt. Shasta. 1828 Comment
  CAS-BOT-BC210865  Achnatherum occidentale subsp. californicum Alice Eastwood 1923-5-27 11961 Siskiyou Shasta Springs Comment
  RSA211328  Achnatherum occidentale subsp. occidentale William J. Ferlatte 1966-6-23 136 Siskiyou along the Yellow Rose Mine Trail 1677 Comment
  RSA238982  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-13 1352 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC593458  Achnatherum occidentale subsp. pubescens E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1960 Siskiyou 2 mi s, on highway from Bray to Weed Sheep Rock (n slope of Mt. Shasta); Mt. Shasta 1235 Comment
  CHSC71337  Achnatherum thurberianum Vernon H. Oswald; Lowell Ahart 1998-6-11 9192 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CHSC91226  Achnatherum thurberianum Lowell Ahart; John Dittes 2005-6-9 12027 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
  RSA17730  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Bed National Monument Comment
  UCD51424  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy. 97, 12 miles northeast of Weed. Comment
  HSC71465  Acmispon micranthus J. P. Smith 1973-5-5 6379 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC71631  Acmispon micranthus J. P. Smith 1973-5-5 6504 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC101739  Acmispon wrangelianus J. P. Smith, J. O. Sawyer 2010-5-2 12798 Siskiyou River access road, on the Salmon River. 164 Comment
  SBBG25949  Aconitum columbianum D. Myrick 1966-8-10 1521 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC375343  Aconitum columbianum Geo. D. Butler 1908-8-10 364 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC391536  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  HSC64344  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-18 4489 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC391541  Aconitum columbianum subsp. columbianum C. G. Pringle 1881-8-15 s.n. Siskiyou Castle Lake 1828 Comment
  HSC34262  Aconitum columbianum subsp. viviparum J. P. Smith, J. O. Sawyer 1973-8-14 7311 Siskiyou Around Cliff Lake 1860 Comment
  RSA183668  Aconitum columbianum var. columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC418811  Aconogonon phytolaccifolium L. R. Short 1933-8-7 103 Siskiyou Klamath National Forest. Marble Mt 1792 Comment
  CAS-BOT-BC418818  Aconogonon phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  HSC61828  Aconogonon phytolaccifolium Ruby Van Deventer 1937-7-14 Siskiyou Poker Flat 1585 Comment
  UCD98807  Aconogonon phytolaccifolium John M. Tucker 1963-7-7 3714 Siskiyou vicinity of Paradise Lake, on east side and at the base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC391699  Actaea rubra K. T. Stillman 1976-6-25 84 A Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1798 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  RSA238292  Actaea rubra subsp. arguta Frederick W. Oettinger 1968-9-1 635 Siskiyou E. shore of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC58867  Adenocaulon bicolor Marvin Butler 1971-7-29 234 Siskiyou Near Copper Mountain Mines, close to the town of Cave Junction 1464 Comment
  OBI55435  Adenocaulon bicolor David J. Keil 1992-7-20 23494 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest Rd 44N45, 3.9 mi S of Scott River Rd Comment
  HSC4988  Agastache urticifolia J. O. Sawyer 1968-7-23 604 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake, Brown's Meadow 1829 Comment
  UC1040749  Ageratina occidentalis B. Crampton 1956-8-21 3843 Siskiyou bench just below junction of Middle Fork with South Fork Sacramento River 1112 Comment
  CAS-BOT-BC29449  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  CAS-BOT-BC29450  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Siskiyou Mountains 1981 Comment
  UC163886  Agoseris X dasycarpa Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest, foothills of Goosenest 1524 Comment
  CAS-BOT-BC15485  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10921 Siskiyou Medicine Lake Comment
  CHSC253  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  CHSC254  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC62468  Agoseris aurantiaca Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  RSA238746  Agoseris aurantiaca Frederick W. Oettinger 1967-7-26 193 Siskiyou Occasional on Crapo Peak ridge between the Saddle-trail and summit; hot dry site. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  POM33131  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15386  Agoseris grandiflora var. grandiflora A. A. Heller 1916-7-20 12555 Siskiyou Metcalf's Ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC15390  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-6-10 1555 Siskiyou Near Yreka Comment
  CAS-BOT-BC22780  Agoseris heterophylla J. H. Thomas 1954-5-13 4149 A Siskiyou Salmon Mountains, Klamath NF, near South Fork of Salmon River, 5 to 9 mi SE of Cecilville, along Rush Creek. 1127 Comment
  CHSC71275  Agoseris heterophylla Vernon H. Oswald; Lowell Ahart 1998-6-11 9196 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  UCD77306  Agoseris heterophylla Robert E. Preston 2002-6-20 1850 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  POM33139  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UCD128661  Agoseris retrorsa Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  SEINET10842223  Agrostis Edwin B. Copel 1903-8-17 Copeland 3903 Siskiyou Foot of Mt. Eddy. 1219 Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  CAS-BOT-BC126980  Agrostis exarata E. Palmer 1892-1-1 2634 Siskiyou Near Mount Shasta. Comment
  CAS-BOT-BC126992  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  JEPS83986  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  UC535955  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou w side Medicine Lake; w side Medicine Lake 1981 Comment
  UCD52799  Agrostis idahoensis Roseman 1913-1 s.n. Siskiyou Butte Valley. Comment
  UCD52988  Agrostis idahoensis L. Whitney 1935-7-15 3519 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CAS-BOT-BC138933  Agrostis pallens Doris K. Kildale 1928-8-20 6631 Siskiyou Near head of north fork of Salmon River at Smiley's Upper Camp. 1859 Comment
  HSC22422  Agrostis pallens J. O. Sawyer 1969-8-1 1668 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC814987  Agrostis pallens Louis C. Wheeler 1934-8-14 3134 Siskiyou meadow on n side Siskiyou Mountains, White Mt. 1767 Comment
  SEINET3916651  Agrostis scabra J. P. Smith, J. O. Sawyer; Maralyn A. O'Meara 1972-7-4 5732 Siskiyou 1.4 miles south of sugar creek on Parrott Mill Road.; 0 1341 Comment
  UC1108542  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC618871  Agrostis variabilis W. Bridge Cooke 1938-9-17 11682 Siskiyou Horse Camp Mount Shasta, Horse Camp Comment
  POM211392  Aira caryophyllea L. C. Wheeler 1934-6-4 2647 Siskiyou Dry east slope in open forest. Horse Creek. 762 Comment
  UC1733720  Allium Frank Gould, Kay H. Beach 1940-5-15 1235 Siskiyou upper Bull Meadows Comment
  CAS-BOT-BC459431  Allium acuminatum Alice Eastwood 1912-7-20 1249 Siskiyou Hornbrook Comment
  CAS-BOT-BC462993  Allium bolanderi Geo. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley Comment
  CDA39430  Allium bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2772 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  UC164284  Allium campanulatum Geo. D. Butler 1908-8-9 111 Siskiyou summit above Cold Spring; Woolly Creek Comment
  UC796664  Allium falcifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11716 Siskiyou Schoolhouse Hill, e. fork of Scott River Scott River, Plowman's (Noyes) Valley, Schoolhouse Hill Comment
  CAS-BOT-BC469247  Allium falcifolium Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  SEINET12053509  Allium falcifolium H. P. Chandler 1901-1 1647 Siskiyou Marble Mountain 2438 Comment
  JEPS96555  Allium siskiyouense Dean W. Taylor 1997-6-11 16042 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  RSA237370  Allium siskiyouense Frederick W. Oettinger 1967-6-24 112 Siskiyou Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CHSC118639  Allium siskiyouense Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -005 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  CAS-BOT-BC478030  Allium validum Doris K. Kildale 1928-8-19 6545 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  CAS-BOT-BC453445  Allotropa virgata Wm. Bridge Cooke 1938-7-15 11277 Siskiyou Mount Shasta: Wagon Camp-Horse Camp Trail 2133 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
  HSC4965  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 305 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS58635  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson; swamps 1097 Comment
  UC127374  Alnus incana subsp. tenuifolia H. M. Hall and E. B. Babcock 1903-6-18 4139 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  UC61056  Alnus incana subsp. tenuifolia W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  RSA452810  Alnus incana subsp. tenuifolia M. B. Dunkle 1944-8-25 9179 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  HSC33980  Alnus rhombifolia J. P. Smith 1974-5-25 7442 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC45043  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-21 3288 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  HSC4968  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-25 344 Siskiyou Along Horse Range Creek 1646 Comment
  HSC4969  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 234 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC62447  Alnus viridis subsp. sinuata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  RSA238550  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, around the outlet stream of English Lake. 1753 Comment
  SBBG25320  Alnus viridis subsp. sinuata S. L. Holloway 1963-6-2 72 Siskiyou 100 yards from Deep Crk and 0.25 mi N of Deep Lake, Marble Mtns Comment
  CHSC91341  Alyssum alyssoides Lowell Ahart; John Dittes 2005-6-9 12017 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS94898  Alyssum alyssoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9178 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  CAS-BOT-BC18595  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53447 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  HSC68495  Alyssum alyssoides Maralyn A. Renner 1980-6-10 870 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  HSC65316  Amaranthus powellii J. P. Smith, Steve Selva 1970-8-9 4584 Siskiyou In potato fields W of Macdoel. Comment
  HSC45148  Amelanchier alnifolia var. semiintegrifolia J. O. Sawyer, E. Cope 1977-6-19 2960 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  CAS-BOT-BC136913  Amelanchier utahensis J. H. Thomas 1954-5-13 4126 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  CHSC96025  Amelanchier utahensis L. P. Janeway 2006-7-4 8799 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC1190236  Amelanchier utahensis Ira L. Wiggins 1955-7-28 13564 Siskiyou Caribou Lake; Salmon-Trinity Primitive Area 2042 Comment
  UC60892  Amelanchier utahensis W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  HSC37543  Amsinckia intermedia J. P. Smith 1974-5-27 7606 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC45206  Anaphalis margaritacea Carl B. Wolf 1927-8-27 1148 Siskiyou On the Klamath River 10 mi above the Salmon River Comment
  RSA240049  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near young's Cabin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC24626  Androsace elongata subsp. acuta L. C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains, alt. 3100 ft. S30 T45N R7W 945 Comment
  HSC29427  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CHSC71598  Anemone drummondii Vernon H. Oswald; Lowell Ahart 1998-8-3 9438 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC36954  Anemone lyallii J. P. Smith 1974-5-26 7556 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET12093239  Anemone multifida Unknown 1982-1 20589 Siskiyou Cook and Green Pass area, near Lily Pad Lake 1676 Comment
  CAS-BOT-BC391965  Anemone occidentalis M. B. Dunkle 1945-7-19 9231 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High Bluffs Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  JEPS74555  Angelica arguta W. J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps, Big Flat, area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  RSA296046  Angelica tomentosa var. tomentosa J. M. DiTomaso 1980-8-5 1854 Siskiyou Baldy Mountain Lookout, 6 miles west of Happy Camp, 200 meters north of lookout in moist serpentine soil near spring 1707 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  JEPS33952  Antennaria argentea George D. Butler 1908-8-10 317 Siskiyou Shackelford Creek Comment
  UC585071  Antennaria argentea E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1889 Siskiyou about 2 mi s Yreka 822 Comment
  RSA416679  Antennaria argentea M. B. Dunkle 1944-6-25 9023 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  SEINET2040128  Antennaria argentea Roxanna S. Ferris, Lorraine, Laura 1948-6-12 11724 Siskiyou French Creek Logging Road, west of Callahan, altitude 1070 Comment
  HSC46193  Antennaria dimorpha Jennifer Whipple 1977-4-30 1890 Siskiyou Scott Valley near Weston Gulch 854 Comment
  JEPS22309  Antennaria dimorpha Gene Newcomb and Dr. Herbert Baker 1959-3-29 237 Siskiyou 4.5 mi n, along U.S. Hwy 99 Yreka 914 Comment
  CAS-BOT-BC59159  Antennaria dimorpha S. B. Shaw 1912-4-5 s.n. Siskiyou Near Sisson. Shasta Forest Reserve Comment
  UC891587  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou McCloud Comment
  RSA238725  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Between Charmaine Lake and Abbot's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1037288  Antennaria rosea Leo Whitney 1934-6-10 1702 Siskiyou near Tennent; Antelope Creek 1463 Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  JEPS107483  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CHSC66536  Apocynum androsaemifolium Vernon H. Oswald 1996-7-12 7997 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  UC566936  Apocynum androsaemifolium Dorothy Tebbe 1929-7-7 7 Siskiyou Donkey Camp Mt. Eddy Comment
  POM130457  Apocynum androsaemifolium subsp. pumilum E. B. Copeland 1903-7-7 s.n. Siskiyou Hornbrook Comment
  POM332443  Aquilegia formosa J. P. Smith, Steve Selva 1970-6-15 3975 Siskiyou 1 mile W of junction Calif. 3 and road 8 leading to Sugar Creek. 1159 Comment
  HSC64334  Aquilegia formosa var. formosa J. P. Smith, Steve Selva 1970-6-15 3975 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC76934  Aquilegia formosa var. formosa K. T. Stillman 1976-8-7 211 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC28661  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  RSA68874  Aquilegia formosa var. truncata A. E. Culbertson 1943-7-1 82 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  CDA24646  Arabis breweri Don Shaw 1977-4-19 Siskiyou Old Highway 99 North, Yreka. 0 Comment
  RSA0125745  Arabis breweri Geo. D. Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  HSC61859  Arabis glabra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC61173  Arabis glabra W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  RSA47780  Arabis holboellii var. pinetorum Roxana S. Ferris, Laura Lorraine 11858 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  HSC64660  Arabis holboellii var. retrofracta J. O. Sawyer 1977-7-6 3026 Siskiyou South of Little Duck Lake 2134 Comment
  RSA78819  Arabis holboellii var. retrofracta P. A. Munz 1952-7-2 17897 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 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
  HSC240  Arabis platysperma William J. Ferlatte 1966-7-6 185 Siskiyou Caribou Mtn. 2470 Comment
  HSC90561  Arabis platysperma var. howellii Jennifer Whipple 1976-7-9 1404 Siskiyou N facing slopes in the Eddy Creek drainage 2226 Comment
  RSA0129830  Arabis platysperma var. platysperma Frederick W. Oettinger 1968-8-5 412 Siskiyou Ridge between English Peak and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  RSA60657  Arabis puberula I. L. Wiggins 1950-5-28 12376 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  HSC6538  Arabis sparsiflora var. subvillosa D. M. Thomson 1965-6-19 93 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  SEINET2471230  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -33 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  CDA22359  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  HSC96177  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake, Shasta-Trinity National Forest 1330 Comment
  UC164233  Arceuthobium campylopodum Geo. D. Butler 1908-8-26 273 Siskiyou Russian Creek Comment
  UC1037436  Arceuthobium campylopodum Douglas Barbe 1955-7-29 314 Siskiyou 3/4 mi e Scott Mtn Rd (on private rd to Big Carmen Lake); Scott Mtns 1706 Comment
  UC1409473  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou just w of outlet Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 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
  SEINET11989649  Arctostaphylos klamathensis A. Seneres, Edwards, S.; Harold, N. 1982-1 s.n. Siskiyou Terrace Lake 1920 Comment
  CAS-BOT-BC40019  Arctostaphylos nevadensis Gilbert Muth 1969-8-10 1335 Siskiyou Ridge w. of Boulder Peak 2377 Comment
  HSC69381  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3696 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  HSC740  Arctostaphylos nevadensis William J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake Basin 1677 Comment
  HSC92274  Arctostaphylos nevadensis Jennifer Whipple 1976-6-11 968 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  JEPS124854 Image available Arctostaphylos nevadensis J. Yamanaka 1965-7-13 135 Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC46478  Arctostaphylos patula L. R. Abrams 1922-8-7 9917 Siskiyou 1 mi. s. of Weed. Comment
  CAS-BOT-BC46489  Arctostaphylos patula Mrs. H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46492  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta. Comment
  HSC37525  Arctostaphylos patula J. P. Smith 1974-5-25 7436 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA238582  Arctostaphylos patula Frederick W. Oettinger 1969-7-14 1018 Siskiyou On the ridge between David Montain (peak S.W. of Charmaine Lake) and the peak due S. of Abbotts lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC166057  Arctostaphylos patula Geo. D. Butler 1909-3-28 586 Siskiyou Yreka hills Comment
  UCR32086  Arctostaphylos patula David J. Keil 1983-7-3 17380 Siskiyou 11 mi NE of junction of State Route 3 along Gazelle-Callahan Rd Comment
  HSC73329  Arctostaphylos viscida Gail Newton 1980-6-20 489 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  CAS-BOT-BC47011  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-12 7792 Siskiyou Sawyers Bar, n. fork of Salmon River. Comment
  CAS-BOT-BC47016  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7717 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  CAS-BOT-BC47023  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  POM131596  Arctostaphylos viscida subsp. viscida Edward L. Greene 1903-7-14 3519 Siskiyou Klamathon. Comment
  RSA423693  Arenaria congesta M. B. Dunkle 1945-7-22 9238 Siskiyou Marble Mts., Klamath National Forest. Comment
  UC1409373  Arenaria congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou vicinity English Peak (Trail break on Crapo Peak ridge.); Salmon Mountains, Marble Mountains Wilderness Area, The High 2194 Comment
  UC1282011  Arenaria congesta var. suffrutescens Louise Kellogg Aug 5 1953-Aug 7 1953 107 Siskiyou 1 mi n Cory Peak ((11 mi e of Callahan on road to Gazzelle, then s 5.8 mi on loggin road).); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  UC796528  Arenaria serpyllifolia subsp. serpyllifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11721 Siskiyou w Callahan (French Creek Loggin Road) 1066 Comment
  CAS-BOT-BC467190  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC82367  Arnica cordifolia Alice Eastwood; John Thomas Howell 1937-6-26 5037 Siskiyou Salmon Mts. 10 miles sw. of Etna Comment
  HSC46317  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou Mt. Eddy region on Deadfall Mountain 2226 Comment
  CAS-BOT-BC82558  Arnica discoidea Clarence R. Quick 1958-6-17 58 -19 Siskiyou near Black Bear Summit south of [Sawyer's] Sawyers Bar on ridge road to Cecilville 1356 Comment
  HSC42945  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2764 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC22145  Arnica diversifolia J. O. Sawyer 1969-8-3 1775 Siskiyou Near Little Duck Lake 2073 Comment
  SEINET999813  Arnica lanceolata subsp. prima Mark Fishbein, Lane Greer 2006-1 5877 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 2000 Comment
  UCR80880  Arnica latifolia G. Fred Hrusa 1993-8-14 11398 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
  CAS-BOT-BC465595  Arnica mollis Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2197 Comment
  CAS-BOT-BC90058  Arnica nevadensis Ira L. Wiggins 1955-7-27 13562 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC90078  Arnica ovata Gilbert J. Muth 1969-8-6 1218 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC90089  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, above the Shasta Fir forest 2514 Comment
  HSC62124  Arnica viscosa Al Hobart 1960-9-20 Siskiyou Preston Peak Comment
  UC206766  Arnica viscosa J. D. Hooker and A. Gray 1877-1 Siskiyou Mt. Shasta 2438 Comment
  UCD70118  Arnica viscosa D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud. Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  HSC77111  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-6-25 97 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  SFV8414  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3750 Siskiyou Marble Mountain Wilderness Area. Southwestern ridge of Black Mountain. Southeast facing slope on decomposed marble scree. 2134 Comment
  SEINET5712658  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann; Sandra L. Holloway 1963-1 3750 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2134 Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC90740  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side of Black Mountain, Marble Mts. 2011 Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  UC710446  Artemisia ludoviciana subsp. incompta John Thomas Howell 15146 Siskiyou Marble Mts., Black Mt. Comment
  UC630406  Artemisia norvegica subsp. saxatilis Annetta Quarter 1939-8-21 1470 Siskiyou steep slope above se end Taylor Lake ( 12 mi sw of Etna); Salmon Mountains 2194 Comment
  CDA10177  Artemisia tridentata F. D. Horn 1977-10-5 Siskiyou Approximately 12 miles northeast of Weed; Shasta Vista Estates. 0 Comment
  UC1409364  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-8-9 1327 Siskiyou near Five Mile Point (near Herr Creek, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1097 Comment
  JEPS32483  Asarum caudatum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  CAS-BOT-BC400596  Asarum caudatum W. R. Dudley 1901-8-22 s.n. Siskiyou E. slope of Foxtail Ridge, Salmon Mountains Comment
  RSA238021  Asarum caudatum Frederick W. Oettinger 1967-8-20 285 Siskiyou 100 yds down stream from Tom Taylor Cabin springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET515877  Asclepias fascicularis Vernon H. Oswald 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  UC1409503  Asclepias speciosa F. W. Oettinger 1969-8-12 1331 Siskiyou 1 mi from Etna Summit (on road toward Etna); Salmon Mountains Comment
  UCSB23331  Asclepias speciosa Keefe, Joseph 1967-7-11 Siskiyou 0.2 mile south of Old Stage Road on Castle Stage Road, near Mt. Shasta Hatchery, town of Mt. Shasta 1097 Comment
  HSC92669  Aspidotis densa Jennifer Whipple 1978-10-6 2390 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  UCD137309  Aspidotis densa A. H. Murphy 1956-8-16 56 N Siskiyou Klamath National Forest. 1981 Comment
  CAS-BOT-BC69560  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Head of little Soda Ck., Sterling Mt., Siskiyou Mts. Mt. Diablo Mer. 1432 Comment
  CAS-BOT-BC69600  Aspidotis densa Doris K. Kildale 1929-8-24 9034 Siskiyou Rattlesnake Meadow on trail to Preston Peak. 1676 Comment
  SEINET5338519  Aspidotis densa M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  UCR37820  Aster ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn., Scott Bar 15' Q. Comment
  POM58124  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  UCD105521  Astragalus Geo. W. King 1926-4-25 s.n. Siskiyou Montague, thru Mt. Elwood. Comment
  CAS-BOT-BC178813  Astragalus californicus L. E. Smith 1914-5-14 697 Siskiyou Yreka Comment
  CAS-BOT-BC178822  Astragalus californicus Geo. D. Butler 1909-5-8 593 Siskiyou Dry land near Yreka Comment
  RSA120886  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  HSC104142  Astragalus purshii var. lectulus Dana York 2011-8-13 3069 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  HSC82283  Astragalus purshii var. lectulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 4803 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  CAS-BOT-BC198711  Astragalus whitneyi var. siskiyouensis Peter H. Raven 1956-9-4 10386 Siskiyou Ridge south of Mount Eddy 2286 Comment
  CAS-BOT-BC198718  Astragalus whitneyi var. siskiyouensis L. E. Smith 1913-7-2 448 Siskiyou Rainbow Comment
  HSC75390  Astragalus whitneyi var. siskiyouensis J. O. Sawyer, M. Mesler 1980-8-10 4034 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  UC1561941  Astragalus whitneyi var. siskiyouensis Barbara Ertter 1985-5-30 5758 Siskiyou on Hwy 3 se of Callahan 2.6 mi n Scott Mt. Summit; n of Scott Mt. summit, se of Callahan 1402 Comment
  UCD105505  Astragalus whitneyi var. siskiyouensis Bill Howard 1957-7-24 57 V Siskiyou Head of Middle Fork Sacramento River (south of Mt. Eddy). 1981 Comment
  HSC76657  Athyrium distentifolium var. americanum K. T. Stillman 1976-7-22 294 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA692541  Athyrium filix-femina subsp. cyclosorum M. B. Dunkle 1944-7-7 9078 Siskiyou Deer Creek 1768 Comment
  CAS-BOT-BC66189  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC66192  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  RSA482804  Athysanus pusillus L. C. Wheeler 1934-6-9 2675 Siskiyou Hungry Creek, Siskiyou Mts. Mt. Diablo Meridian. 1098 Comment
  CDA2952  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CDA23339  Atriplex triangularis T. C. Fuller 1963-8-27 11163 Siskiyou North shore of Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  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
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  UCD97855  Atriplex truncata J. M. Tucker 1950-7-25 1964 Siskiyou alongside road to Tule Lake, about one mile east of Highway 97, along east-west road paralleling Oregon-California border, just inside California. Comment
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  POM350742  Balsamorhiza lanata Christopher Davidson 1975-6-5 2656 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  UC573160  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 Siskiyou 1/4 mi e of Symbol Bidge 1417 Comment
  HSC77424  Barbarea orthoceras L. P. Janeway 1983-9-11 673 Siskiyou Poker Flat 1524 Comment
  SEINET10967578  Beckmannia syzigachne Louis C. Wheeler 1935-6-27 Wheeler 3621 Siskiyou Edge of irrigation ditch in sunny meadow. Greenview, Scott Valley 884 Comment
  CAS-BOT-BC75720  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  CAS-BOT-BC227789  Betula occidentalis Elmer I. Applegate 1895-5-28 635 Siskiyou Sacramento River below Sisson Comment
  JEPS32524  Bidens cernua Geo. D. Butler 1908-9-25 501 Siskiyou between Yreka and Montague Yreka; Shasta River Comment
  HSC2267  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  HSC68063  Blepharipappus scaber J. P. Smith, Steve Selva 1970-6-15 3982 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC72367  Blepharipappus scaber J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8975 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  UC1278816  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains Siskiyou Mountains, Cottonwood Creek 914 Comment
  UC166215  Blepharipappus scaber Geo. D. Butler 1909-4-28 590 Siskiyou Cherry Creek Comment
  CAS-BOT-BC127949  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge 1040 Comment
  CAS-BOT-BC16891  Boechera A. M. Vollmer; L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC15795  Boechera acutina H. A. Thomas; J. H. Thomas 1954-7-24 4480 Siskiyou Salmon-Trinity Mountains vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  JEPS82691  Boechera breweri Steve Edwards 1984-6-7 Siskiyou South China Mtn. 2286 Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC14666  Boechera rectissima Alice Eastwood 1921-7-30 11003 Siskiyou Soda Creek. Comment
  CAS-BOT-BC25413  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake-Shackleford Creek. 1219 Comment
  CAS-BOT-BC25426  Boechera retrofracta Alice Eastwood 1923-5-29 11989 Siskiyou Cantara. Comment
  JEPS53190  Boechera retrofracta Geo. D. Butler 1909-4-26 610 Siskiyou Quartz Valley Comment
  CAS-BOT-BC25421  Boechera retrofracta L. B. Kildale 1930-6-1 9856 Siskiyou Summit between Sawyers Bar and Etna Mills. Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  RSA0028753  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  SEINET3296901 Image available Boschniakia strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  UC810936  Botrychium simplex W. Bridge Cooke and V. G. Cooke 1942-9-8 Siskiyou Panther Creek Mount Shasta 2438 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  HSC27675  Boykinia occidentalis Carl W. Mize 1972-6-8 34 Siskiyou Along main trail near Deer Lick Creek 351 Comment
  HSC77495  Boykinia occidentalis L. P. Janeway 1983-6-25 338 Siskiyou Bluff above Klamath River, E side, near Independence Creek Bridge 274 Comment
  UC375289  Brassica nigra Geo. D. Butler 1909-6-23 1051 Siskiyou Fields near Yreka. Comment
  UC375291  Brassica rapa Geo. D. Butler 1908-6-20 1053 Siskiyou yards around Yreka Yreka Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  JEPS111015  Brickellia grandiflora J. K. Nelson with J. R. and Soren Nelson 2004-8-29 2004 -96 Siskiyou South side Mt. Shasta, south side of McKenzie Butte, along Road 31 1584 Comment
  UC1408932  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou due ene of, high lake basinns in the vicinity of English Peak Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  UC75828  Brickellia grandiflora Milo S. Baker 1899-7-1 Siskiyou e slope of Mt. Shasta Mt. Shasta Comment
  CAS-BOT-BC383117  Brickellia greenei Andrew Townesmith; Karen M. Meyer 2007-7-28 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  CHSC63594  Brickellia greenei Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 A Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  UC1040686  Brickellia greenei Beecher Crampton 1956-8-21 3840 Siskiyou bench above Sacramento River, just below junction of the Middle Fork with the South Fork Sacramento River 1112 Comment
  UC375191  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Salmon Range Comment
  CHSC60567  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 591 Siskiyou Siskiyou Mountains; at Poker Flat. Front edge of the upper part of the meadow. 1524 Comment
  JEPS69158  Bromus carinatus var. carinatus Geo. D. Butler 1909-5-21 815 Siskiyou roadside near Yreka Comment
  UC1265361  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake, Salmon Mountains, western Siskiyou County Horse Range Lake; Salmon Mountains, Horse Range Lake 1821 Comment
  CAS-BOT-BC148799  Bromus carinatus var. marginatus William Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  HSC30593  Bromus carinatus var. marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, Crapo Meadow. 2134 Comment
  UCD59486  Bromus diandrus P. B. Kennedy 1923-7-29 s.n. Siskiyou By Camp Sisson. Comment
  CAS-BOT-BC155279  Bromus inermis Hans Karstensson; Ethel Hyde 1939-7-26 s.n. Siskiyou Near Tule Lake, northeast corner of Siskiyou county. 1280 Comment
  RSA184783  Bromus marginatus Gilbert Muth 1966-7-22 434 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  POM115034  Bromus marginatus Geo D. Butler 1910-7-3 1622 Siskiyou Goose nest foothills 1220 Comment
  RSA239074  Bromus orcuttianus Frederick W. Oettinger 1969-9-4 1639 Siskiyou On south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC185602  Bromus tectorum R. E. Frenkel 1963-7-13 231 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River Railroad crossing near Mount Shasta. 1219 Comment
  UCD59865  Bromus tectorum Sandra L. Holloway 1963-4-11 33 Siskiyou Umbrella Hill,' 1 mile S of Oberlin Road and 5 miles SE of Yreka. 762 Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  CAS-BOT-BC185383  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  HSC101479  Bromus vulgaris J. P. Smith, J. O. Sawyer 2011-7-21 13038 Siskiyou Near Dillon Camp 1358 Comment
  HSC48285  Bromus vulgaris J. O. Sawyer, K. Stillman 1978-7-6 3302 Siskiyou Along Happy Camp-O'Brien Rd., above Louse Creek Comment
  HSC31054  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  CAS-BOT-BC185255  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek. 1371 Comment
  HSC22235  Calamagrostis koelerioides J. O. Sawyer 1968-9-9 664 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1265352  Calamagrostis koelerioides F. W. Oettinger 1968-8-23 605 Siskiyou on slope of Peak below overlook of English Lake (on trail to Tom Taylor Cabin); Salmon Mountains, English Peak 2072 Comment
  UCD57258  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  UCD56963  Calamagrostis sesquiflora Peter Kamb 1949-8-25 1487 Siskiyou southwest slope of Mt. Shasta above Horse Camp. 2621 Comment
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Apr 1 2012
  CAS-BOT-BC112322  Calliscirpus criniger Doris K. Kildale 1929-7-21 8739 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  CAS-BOT-BC85727  Calocedrus decurrens Doris K. Kildale 1929-8-24 9057 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC85740  Calocedrus decurrens L. B. Kildale 1930-6-1 9838 Siskiyou Mill Creek near Etna Mills Comment
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  POM301752  Calochortus elegans var. nanus Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains W of Yreka. Comment
  CAS-BOT-BC488608  Calochortus elegans var. nanus Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  CDA33233  Calochortus longebarbatus T. C. Fuller 1962-6-13 8996 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  JEPS61690  Calochortus macrocarpus W. L. Jepson 1940-6-23 19988 Siskiyou e of Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 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
  SBBG25936  Calochortus nudus D. Myrick 1966-8-9 1503 Siskiyou Lake Josephine, Mountain Meadow Ranch, Big Flat 1828 Comment
  UC3464  Calochortus nudus W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC493100  Calochortus nudus Thomas W. Nelson; Jane P. Nelson 1980-7-20 6189 Siskiyou China Mountain Camp. On hillside above and to southeast of Big Carmen Lake. 1737 Comment
  JEPS84229  Caltha biflora L. R. Heckard with J. Hickman 1986-7-16 6443 Siskiyou Lily Pad Lake, SE of Red Butte, ca 5 mi N of the town Seiad Valley. 1770 Comment
  CAS-BOT-BC181504  Caltha leptosepala Doris K. Kildale 1928-8-19 6546 Siskiyou Hancock Lake on trail to Marble Mountain 2133 Comment
  HSC4947  Caltha leptosepala J. O. Sawyer 1968-6-25 320 Siskiyou Along Horse Range Creek 1829 Comment
  CAS-BOT-BC273388  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  UC1045297  Calyptridium umbellatum W. Bridge Cooke 1940-8-8 15448 Siskiyou near Red Buttes (in the South Gate, Mount Shasta); Mount Shasta 2438 Comment
  UC456006  Calystegia malacophylla subsp. malacophylla I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat; Mt. Bradley near Shasta Retreat 1524 Comment
  CAS-BOT-BC221260  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CDA39905  Calystegia occidentalis subsp. occidentalis G. C. Fleischman 1946-7-26 s.n. Siskiyou Vicinity of Mt. Shasta. 0 Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 Comment
  RSA530925  Camelina microcarpa L. C. Wheeler 1934-6-2 2619 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains (Mt. Diablo Mer.) 671 Comment
  CAS-BOT-BC160897  Camissonia tanacetifolia subsp. tanacetifolia Lewis S. Rose 1936-7-28 36701 A Siskiyou Mt. Hebron 1297 Comment
  JEPS11748  Campanula prenanthoides Geo. D. Butler 1908-8-10 145 Siskiyou Shackleford Creek 1219 Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SD104864  Campanula prenanthoides Darley F. Howe 1979-6-25 Siskiyou 7.0 miles southeast of Domes Bar. Comment
  SEINET10463151  Campanula prenanthoides Young 1921-9-15 YOUNG s.n. Siskiyou Etna Mills Comment
  SEINET10463155  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou Ridge west of China Creek, south side of South Fork of Salmon river 960 Comment
  SEINET10463157  Campanula prenanthoides Deventer DEVENTER s.n. Siskiyou Preston Peak quadrangle; Youngs Valley. T17N R5E SECS. 9, 10 & 16. Comment
  SEINET12271820  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  HSC77923  Campanula rotundifolia Wayne Rolle Aug 1983 Siskiyou 2012 Comment
  POM59315  Campanula scabrella E. B. Copeland 1903-8-18 3844 Siskiyou Mount Eddy 2744 Comment
  SDSU1313  Campanula scouleri D. F. Howe 1972-7-6 4877 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  UCD77453  Cardamine bellidifolia Robert E. Preston 2001-6-23 1587 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  JEPS96809  Cardamine nuttallii var. covilleana Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek Comment
  HSC64149  Cardamine oligosperma J. P. Smith 1973-5-5 6381 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CDA36793  Cardaria draba D. B. Joley 1976-6-24 5 Siskiyou Montague. 0 Comment
  CHSC66537  Carduus nutans Vernon H. Oswald 1996-7-12 7998 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  CAS-BOT-BC19771  Carex abrupta Louis C. Wheeler 1935-7-26 3718 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  HSC36252  Carex abrupta J. O. Sawyer 1969-7-24 1346 Siskiyou Edge of Sugar Lake 1784 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
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC39389  Carex amplifolia J. O. Sawyer 1969-6-11 828 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  HSC76857  Carex amplifolia L. P. Janeway 1982-8-2 101 Siskiyou Near headwaters of Coon Run, 3 mi. up FS 18N30 from S fork Indian Creek, 100 m below road 854 Comment
  CHSC107108  Carex angustata R. E. Brainerd 2009-7-22 1549 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  CAS-BOT-BC17993  Carex aquatilis W. J. Ferlatte 1966-8-3 278 Siskiyou Josepine Lake Basin. 1920 Comment
  UC1573170  Carex athrostachya Dean Wm. Taylor with Glenn Clifton, R. Douglas Stone 1987-8-5 9240 Siskiyou Porcupine Lake Modoc Plateau, Porcupine Lake 1304 Comment
  CAS-BOT-BC19560  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou Near Shasta Springs. Comment
  CAS-BOT-BC19402  Carex bolanderi J. W. Stacey 1940-8-8 15422 Siskiyou Mount Shasta. Along the cascade below the big Squaw Valley Creek Spring. 1463 Comment
  HSC61112  Carex bolanderi Ruby Van Deventer Aug 1955 Siskiyou FS 17N04, road to Doe Flat 1220 Comment
  SEINET10706563  Carex bolanderi A. Arthur Heller 1905-6-13 Heller 8025 Siskiyou Near Shasta Springs. Comment
  CAS-BOT-BC19654  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Ca. 0.5 mile north of West Branch USFS Station. 670 Comment
  JEPS25937  Carex brainerdii B. C. Goldsmith 1916-7-28 10 Siskiyou 20 mi n Bartles Comment
  RSA237237  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  CAS-BOT-BC34382  Carex cusickii W. J. Ferlatte 1966-8-2 234 Siskiyou Trinity Alps. Big Flat Hillside. Between campground and South Fork of the Salmon River. 1524 Comment
  HSC79088  Carex diandra L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  CHSC88400  Carex dudleyi Jenny Marr 1993-7-1 159 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC39254  Carex echinata subsp. echinata J. O. Sawyer 1969-8-4 1902 Siskiyou Above S Sugar Lake 2043 Comment
  HSC81978  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson 1979-6-16 4861 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  UC195520  Carex feta Geo. D. Butler 1909-6-13 807 Siskiyou Oro Fino Comment
  CAS-BOT-BC20745  Carex fracta William Bridge Cooke 1938-8-19 11524 Siskiyou Mt. Shasta. Lower Bear Spring. 1524 Comment
  CHSC106473  Carex fracta Peter F. Zika 2009-8-16 24603 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2370 Comment
  HSC48100  Carex fracta D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19537 Siskiyou Along Hwy. 96 about 8 mi. W of junction with I-5 Comment
  SEINET10650717  Carex halliana A. Arthur Heller 1922-7-15 Heller 13689 Siskiyou Plentiful in wet soil in the meadow at Medicine Lake, Canadian zone. 2134 Comment
  CHSC40173  Carex hassei Lawrence Janeway 1982-7-2 32 Siskiyou At Poker Flat, at end of rd 18N33. 1524 Comment
  CAS-BOT-BC7656  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC98374  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7701 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  HSC7  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC7616  Carex interior Elmer Ivan Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  HSC166  Carex interior William J. Ferlatte 1966-8-2 236 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  JEPS100907  Carex jonesii Dean W. Taylor 1987-6-7 9025 Siskiyou Paynes Springs 2011 Comment
  CAS-BOT-BC31309  Carex lenticularis var. impressa Clare B. Hardham 1965-8-20 13011 Siskiyou Cudahy Lakes, Marble Mts. Paso Robles Comment
  CHSC96158  Carex lenticularis var. lipocarpa L. P. Janeway 2006-7-1 8716 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  POM173648  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC31628  Carex luzulina var. ablata Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  JEPS104820  Carex luzulina var. ablata Dean W. Taylor 1996-7-11 15785 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  RSA237356  Carex luzulina var. ablata Frederick W. Oettinger 1969-8-22 1504 Siskiyou South end of Horse s Hole, near Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  CAS-BOT-BC32004  Carex multicaulis George Dexter Butler 1909-5-30 856 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC32050  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  UC195518  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC32010  Carex multicaulis William Bridge Cooke 1940-8-8 15446 Siskiyou In dry woods near Squaw Valley Creek. 2286 Comment
  HSC97419  Carex multicaulis Jennifer Whipple 1978-7-20 2365 Siskiyou S face of Mount Eddy, draining into the N fork of the Sacramento River 2439 Comment
  CAS-BOT-BC32282  Carex multicostata William J. Ferlatte 1974-7-14 1524 Siskiyou Big Flat, near South Fork of Salmon River. 1524 Comment
  CHSC40189  Carex nebrascensis L. P. Janeway 1983-7-30 468 Siskiyou Small drainage ditch along the rd to Copco Lake. 883 Comment
  CAS-BOT-BC119898  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou In wet place in abandoned roadway near the Municipal Spring above Howard. 1280 Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  SEINET11639679  Carex nudata Unknown 1989-6-19 10239 Siskiyou along Highway 3, between Callahan and Gazelle Comment
  UC2046866  Carex pachycarpa R. E. Brainerd with N. Otting 2013-7-12 2186 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Ridgeline ca. 700 feet southeast of Upper Wright Lake. Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC119130  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2286 Comment
  CAS-BOT-BC118577  Carex praegracilis Louis C. Wheeler 1935-6-30 3632 Siskiyou 3 mi S Grenada, Shasta Valley 792 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC106709  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside. 1676 Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC90440  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  HSC90843  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC91373  Carex rostrata Jennifer Whipple 1976-7-24 1535 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC49934  Carex scabriuscula Gilbert Muth 1978-8-4 7589 Siskiyou Near Big Carmen Lake, close to the town of Callahan 1707 Comment
  HSC39284  Carex scopulorum J. O. Sawyer 1969-7-11 1327 Siskiyou S Sugar Creek 1829 Comment
  CAS-BOT-BC118225  Carex scopulorum var. bracteosa Doris K. Kildale 1929-8-25 9111 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC117530  Carex serratodens M. A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, S of Hwy 96, between Ridge and Humbug roads. 1371 Comment
  SEINET7575204 Image available Carex serratodens David Castaner 1989-6-19 10241 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  CAS-BOT-BC117260  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Sawtooth Ridge steep, north facing slope. 2286 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
  HSC30702  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak and N of English Peak 1936 Comment
  HSC76309  Carex spectabilis L. P. Janeway 1982-8-15 141 Siskiyou Above Echo Lake 1799 Comment
  RSA22153  Carex spectabilis W. Bridge Cooke 1938-7-21 11298 Siskiyou Heather meadow, Mt. Shasta. 2287 Comment
  RSA238924  Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Above pond north of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA238931  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1265478  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou trail se Tom's Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  SEINET10747930  Carex stipata A. Arthur Heller 1925-7-13 Heller 13897 Siskiyou In wet soil in shade at the State Teachers College near the town of Mt. Shasta in the yellow pine belt. Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  SEINET10749867  Carex straminiformis A. Arthur Heller 1916-7-20 Heller 12468 Siskiyou Near Eagon Creek Falls, east side of Mt. Eddy in the yellow pine belt, the common shrubs Ceanothus, Uvva-ursi and Pasania, 1524 Comment
  CAS-BOT-BC115862  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou Beside Cold Creek at the Military Road crossing ca 6 mi NW of Pilgrim Creek Experiment Station, Comment
  CHSC48066  Carex subfusca L. P. Janeway 1983-5-29 316 Siskiyou Along wet drainage ditch on N side of Scott River Rd on N side of Scott River, opposite Indian Scotty USFS campground. 762 Comment
  CAS-BOT-BC115843  Carex subfusca Lewis Samuel Rose 1937-7-3 37393 A Siskiyou Unspecified. 944 Comment
  CAS-BOT-BC115855  Carex subfusca Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Cr. 1280 Comment
  CAS-BOT-BC422326  Carex vesicaria Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -076 Siskiyou Lower Parks Creek Lake near outlet, northeast side. 1 mile NE of China Mountain, easten Klamath Ranges. 2200 Comment
  HSC91350  Carex vesicaria Jennifer Whipple 1977-8-6 2243 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA173646  Carex vesicaria Geo D. Butler 1910-7-8 1666 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  JEPS84070  Carex vesicaria var. vesicaria L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6397 Siskiyou ca. 5.5 mi. n. town of Seiad Valley (s.e. of Red Butte, Lily Pad Lake); Lily Pad Lake 1470 Comment
  RSA564999  Carex whitneyi D. W. Taylor, Glenn L. Clifton, R. E. Palmer 1987-6-7 9026 Siskiyou 0.7 miles west of Stud Hill. Modoc Plateau. 1646 Comment
  CAS-BOT-BC59703  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou Klamath Forest. White Mountain. 1828 Comment
  HSC86455  Castilleja affinis D. K. Imper Jun 1989 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2287 Comment
  SEINET11262566  Castilleja applegatei James P. Smith 1974-5-27 7610 Siskiyou Copco Quad. Along Forest Service Road 47NO3.; 0 1280 Comment
  CAS-BOT-BC241142  Castilleja applegatei subsp. pinetorum Donald Myrick 1961-6-19 267 Siskiyou Near Mt. Shasta City Comment
  JEPS23766  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6785 Siskiyou a little above and e McBride Springs (s slopes of Mt. Shasta); Mt. Shasta 1432 Comment
  JEPS57395  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1968-7-2 1970 Siskiyou n side Mt. Shasta (at fork in Bolam road) 1463 Comment
  RSA488701  Castilleja applegatei subsp. pinetorum James L. Reveal, Mark L. Reveal 1975-8-15 3951 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile east of 47N30Y and 1.2 miles west of the Cleghorn Meadow Road. Comment
  JEPS84184  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  JEPS13483  Castilleja arachnoidea Douglas Barbe 1955-7-26 290 Siskiyou nw shoulder Scott Mountain; Klamath Mountains, Scott Mountain 2011 Comment
  SJSU11530  Castilleja lacera M. D. Fleschner 1965-7-9 Siskiyou 4 mi W of Deadhorse Summit on Hwy 89 c. 3 mi SE of Bartle 1158 Comment
  CAS-BOT-BC253615  Castilleja miniata Doris K. Kildale 1928-8-18 6411 Siskiyou North Fork Salmon River at Finley Camp 1524 Comment
  HSC22089  Castilleja miniata J. O. Sawyer 1969-8-4 1869 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  HSC609  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. 1829 Comment
  SBBG6805  Castilleja miniata subsp. miniata H. and M. Dearing 1948-9-12 6732 Siskiyou Panther Meadow, Mt Shasta 2316 Comment
  JEPS77504  Castilleja minor subsp. minor L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4872 Siskiyou 9 air mi e Montague (w of Table Rock); w of Table Rock 853 Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  UC163706  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mountain 1219 Comment
  HSC35799  Castilleja pruinosa J. O. Sawyer 1969-8-18 1985 Siskiyou Along S Sugar Creek 1921 Comment
  HSC76640  Castilleja schizotricha K. T. Stillman 1976-6-25 102 Siskiyou Marble Mt. Wilderness Area, NE facing on Black Mt. 2134 Comment
  JEPS66225  Castilleja tenuis T. I. Chuang and L. R. Heckard 1971-6-15 6924 Siskiyou 5.6 mi w U.S. Highway 97 (on Ball Mt. Road) 1584 Comment
  SEINET269404 Image available Castilleja tenuis Richard J. Shaw 1963-6-11 1285 Siskiyou Along old highway 99 2 miles north of Weed 1067 Comment
  UC455342  Ceanothus cordulatus I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1676 Comment
  JEPS42278  Ceanothus diversifolius F. H. Williams 1 Siskiyou Mt. Shasta Comment
  UCSB11909  Ceanothus integerrimus Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  RSA301660  Ceanothus integerrimus var. integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  RSA95333  Ceanothus integerrimus var. macrothyrsus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  JEPS86074  Ceanothus prostratus Wayne Roderick 1966-6-26 Siskiyou along trail to Copper Butte Cook and Green Pass area 1524 Comment
  RSA399821  Ceanothus prostratus Bonnie C. Templeton 1960-6-21 8546 Siskiyou Near summit of Scott Mt. Comment
  RSA68934  Ceanothus prostratus A. E. Culbertson 1943-7-17 24 Siskiyou Down the grade on road to town of Shasta from Castle Lake, 5434ft, in N facing ciruqe with an abrupt 1000ft backwall, 14 miles SW of Mt. Shasta on N side of a 6600ft eastern spur of Trinity Mts., 2000ft above Sacramento River within 10 air miles of its headwaters to the W Comment
  UC1539992  Ceanothus prostratus M. Mitchell 1936-5-11 16 Siskiyou Lava Beds National Monument, NE side of Hippo Butte 1615 Comment
  CAS-BOT-BC53029  Ceanothus sanguineus W. R. Dudley 1899-8-25 s.n. Siskiyou West of Gazelle - on grade, Willow Creek Comment
  CHSC33390  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou Open slopes south of Little Duck Lake. 2133 Comment
  HSC99933  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13352 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  JEPS42159  Ceanothus velutinus L. N. Lorenzen 1920-7-19 Siskiyou Sisson Comment
  UCR47854  Ceanothus velutinus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC281967  Centaurea benedicta Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 850 Comment
  CDA42292  Centaurea maculosa Steelman 1996-7-1 Siskiyou Mott Road exit from I-5, north of Dunsmuir. 0 Comment
  SEINET13331149 Image available Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adjacent lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi. S. of Mugginsville Comment
  HSC67015  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  CDA38008  Centaurea squarrosa CDFA Staff 1991-1 s.n. Siskiyou Hawkinsville. 0 Comment
  CAS-BOT-BC281206  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16261 Siskiyou W side of Highway 97 to Weed, 3 miles S of Macdoel Comment
  UCD130113  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 a Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  UC164420  Cephalanthera austiniae Geo. D. Butler 1909-7-15 882 Siskiyou Highland Mine Comment
  HSC44959  Cerastium arvense J. O. Sawyer 1978-6-16 3222 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  UC922390  Cerastium arvense Annie M. Alexander and Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1767 Comment
  CDA3358  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CDA3360  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384989  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 mi. e. of Montague 807 Comment
  SEINET6331971  Cercocarpus betuloides G. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  CAS-BOT-BC135447  Cercocarpus betuloides var. betuloides C. R. Quick 1950-6-21 50 -06 Siskiyou Along Beaver Creek Road, just N of Klamath River Comment
  UC375377  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River, near the mouth Shasta River Comment
  HSC67804  Cercocarpus ledifolius J. O. Sawyer, J. Cole 1980-7-22 3975 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UCD113092  Cercocarpus ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou NE of Callahan on road to Gazelle. Comment
  CAS-BOT-BC148512  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  CAS-BOT-BC276784  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-6 9367 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  UC1170098  Chaenactis douglasii var. douglasii unknown 1956-7-16 30293 Siskiyou above Hotlum Station (along old loggin road; n side of Mount Shasta); Mount Shasta 1524 Comment
  HSC5256  Chaenactis douglasii var. douglasii D. M. Thomson 1965-6-30 120 Siskiyou California Lava Bedds National Monument; 1 mile up Cave Loop Road Comment
  UCD130297  Chaenactis douglasii var. douglasii J. M. Tucker 1950-7-24 1962 Siskiyou outskirts of Dorris. Comment
  SEINET3146223  Chaenactis suffrutescens Brandeger sn Siskiyou near Mt. Shasta Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River Comment
  JEPS95133  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  CAS-BOT-BC85663  Chamaecyparis lawsoniana Miss Herzinger 1903-11-1 s.n. Siskiyou Scott River Valley Comment
  HSC46341  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC68455  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1440 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UCD133317  Chamaecyparis lawsoniana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brian, Indian Creek Road. Jefferson State Scenic Byway. 1400 Comment
  RSA314999  Chamaecyparis nootkatensis Stephen Edwards 1983-7-11 SWE- 83 -21 Siskiyou Klamath National Forest, south end of Buck Lake 1311 Comment
  CAS-BOT-BC80491  Chamaecyparis nootkatensis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N.W. Siskiyou Co. 152 Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  CAS-BOT-BC166095  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp - Waldo (Oregon) Road. Watershed of West Branch of Indian Creek. Klamath Nat. Forest 1371 Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  UCR101226  Cheilanthes gracillima L. C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CAS-BOT-BC68214  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains - Head Jaynes Canyon - Mt. Diablo Mer. 2072 Comment
  POM120359  Cheilanthes gracillima Geo D. Butler 1910-7-12 1754 Siskiyou Shackeford Lake 1372 Comment
  RSA239012  Cheilanthes gracillima Frederick W. Oettinger 1966-6-22 27 Siskiyou Salmon River district, Klamath 1829 Comment
  CAS-BOT-BC460986  Chenopodium Carl B. Wolf 1927-8-26 1013 Siskiyou On the Klamath River, 5 mi below Hornbrook Comment
  POM279703  Chenopodium botrys Anonymous 1902-9-4 5066 Siskiyou Mt. Shasta, near Sisson; along sides of railway. 1128 Comment
  JEPS80663  Chenopodium pratericola W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou Andesite Road at US-97 (n base of mt.); Mt. Shasta Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna 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
  CHSC9504  Chimaphila menziesii J. F. Goodwin 1971-7-3 141 Siskiyou 50 ft. south of road under firs, with orchids and ferns, 8.5 mi. south of Mt. Shasta Ski Bowl area. 1493 Comment
  HSC61509  Chimaphila menziesii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC1408764  Chimaphila menziesii Frederick W. Oettinger 1968-8-7 432 Siskiyou midway down Diamond-Hancock Lake trail Marble Mt. Wilderness Area; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2011 Comment
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC67642  Chimaphila umbellata J. P. Smith, Steve Selva 1970-7-17 4461 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC73224  Chimaphila umbellata Gail Newton 1980-6-20 519 Siskiyou Near Bald Mtn. 1326 Comment
  HSC92972  Chimaphila umbellata Jennifer Whipple 1977-8-5 2177 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  UC876121  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  HSC44588  Chimaphila umbellata Laura Witherspoon 1977-7-17 Siskiyou 1/2 mi. up F.S. Rd. 13N50 1220 Comment
  CDA38837  Chimaphila umbellata subsp. occidentalis F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  RSA96940  Chimaphila umbellata subsp. occidentalis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20266 Siskiyou Castle Lake, Foresst service camp, s.w. of town of Mt. Shasta. 1250 Comment
  HSC41387  Chlorogalum pomeridianum var. pomeridianum J. P. Smith, Steve Selva 1970-6-14 Siskiyou 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
  CDA32102  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson property, 3.5 miles northwest of Gazelle. 0 Comment
  UC5451  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  UC5452  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  UC61174  Chrysolepis sempervirens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta 1066 Comment
  CAS-BOT-BC100859  Chrysothamnus viscidiflorus subsp. viscidiflorus Ynez Winblad 1936-8-22 s.n. Siskiyou 22 miles se. of Weed 1463 Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  CHSC85687  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Roadside. Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  RSA237661  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Alder thicket near spring of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC71093  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mtn summit. 1585 Comment
  UC336877  Cirsium andersonii unknown 336877 Siskiyou near Sissoon Comment
  CDA1027  Cirsium andrewsii M. R. Pryor 1950-7-26 s.n.-B Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  JEPS93965  Cirsium arvense Vernon H. Oswald and Lowell Ahart 1998-9-16 9633 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Highway 161 1243 Comment
  RSA0070592  Cirsium ciliolatum D. H. Shaw, T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  CDA39081  Cirsium cymosum Jodi Aceves 2013-5-23 PDR# 470 P06027599 Siskiyou Near Hornbrook, on upland banks of the Klamath River near Klamath River County Estates and R-Ranch Campground. 0 Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  UCD130606  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest. 1981 Comment
  CAS-BOT-BC288014  Cirsium occidentale var. candidissimum Doris K. Kildale 1928-7-25 5865 Siskiyou Klamath River between Gottville and Brown's Resort Comment
  OBI55423  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CDA1610  Cirsium undulatum J. Massey 1988-7-7 s.n.-(B) Siskiyou East of Dorris, Glenn Butler property. 0 Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC228968  Cistanthe umbellata A. A. Heller 1940-7-25 15771 Siskiyou About Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC228972  Cistanthe umbellata A. A. Heller 1922-7-15 13695 Siskiyou At Medicine Lake 2133 Comment
  OBI6075  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end of Little Shasta Valley, 12 mi NE of Weed on US 97at jctn with Rd. to Montague 914 Comment
  UC1299417  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 Comment
  CAS-BOT-BC164987  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou Meadow below Marble Rim, Marble Mts. 2011 Comment
  RSA601898  Claytonia rubra L. C. Wheeler 1935-5-5 3465 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  HSC36925  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7592 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC1408943  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle's Lake Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1859 Comment
  UC144454  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou between Dunsmuir and Upper Soda Springs (not far from the railroad) Comment
  CAS-BOT-BC443833  Claytonia rubra subsp. rubra G. C. Kimber 1934-6-9 35 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  HSC67725  Claytonia sibirica John Palmer 1980-8-12 681 Siskiyou SE of Ward's Gap. 1189 Comment
  CAS-BOT-BC92760  Clematis ligusticifolia H. A. Thomas; J. H. Thomas 1954-7-23 4460 Siskiyou Salmon-Trinity Mountains, about 6 miles southeast of Cecilville. 883 Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  HSC42882  Clinopodium douglasii J. O. Sawyer, Ken Stillman 1976-7-1 2787 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC61810  Clintonia uniflora Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC500954  Clintonia uniflora Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains Comment
  RSA181619  Clintonia uniflora Dorothy Parker 1950-6-25 462 Siskiyou Duck Lake Creek, Salmon Mountain. 1524 Comment
  RSA211390  Clintonia uniflora W. J. Ferlatte 1966-7-7 221 Siskiyou Big Flat. Wooded area near public camp, across river from camp. 1524 Comment
  POM43382  Collinsia grandiflora Geo. D. Butler 1226 Siskiyou Quartz Valley. Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  JEPS59014  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou below Sawyers Bar; Salmon River Comment
  CDA17134  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  JEPS6166  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Hamburg Comment
  HSC41801  Collinsia rattanii Brent Whiteley 1975-7-8 146 Siskiyou Klamath National Forest 762 Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  RSA12500  Collinsia torreyi var. latifolia Carl B. Wolf 1934-7-4 5936 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  UC454129  Collinsia torreyi var. latifolia I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  JEPS70997  Collomia grandiflora W. L. Jepson 1937-7-30 18535 Siskiyou near Poker Flat; summit Siskiyou Mts. 1584 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  SEINET2445655  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mile South of Etna on State Route 3.; 0 914 Comment
  UC164012  Collomia heterophylla Geo. D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek Comment
  JEPS101160  Collomia tinctoria Dean W. Taylor 1996-6-18 15705 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  CAS-BOT-BC230679  Collomia tracyi Clarence R. Quick 1958-6-17 58 -28 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC180420  Comandra umbellata subsp. californica Alice Eastwood 1923-5-20 11879 Siskiyou Shasta Springs Comment
  CAS-BOT-BC376184  Conium maculatum Andrew Townesmith; Karen M. Meyer 2007-8-3 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  CHSC2331  Corallorhiza maculata V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1828 Comment
  HSC495  Corallorhiza maculata William J. Ferlatte 1966-6-22 83 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  HSC497  Corallorhiza maculata William J. Ferlatte 1966-8-5 324 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  UC673558  Corallorhiza maculata Dorothy Tebbe 1929-7-14 115 Siskiyou Mount Eddy Comment
  RSA150582  Corallorhiza mertensiana Lee W. Lenz 1961-6-23 24364 Siskiyou On the Oregon slope of the Siskiyou Mts., road between Happy Camp and OBrien 1220 Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 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
  CHSC105587  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property; UTM zone 10T, 555437 east, 4577898 North. Comment
  CHSC65840  Cordylanthus tenuis subsp. pallescens Maria Ulloa-Cruz 1994-8-2 42 Siskiyou Shasta-Trinity National Forests. Southeast of County Dump site. 1200 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  CHSC105591  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Label says +/- 33 feet of Lat. and Long. shown. 995 Comment
  UCD123183  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16234 Siskiyou at sign at border of Shasta-Trinity National Forest on Highway 89 east of McCloud. 1356 Comment
  CAS-BOT-BC212282  Cornus glabrata W. R. Dudley 1899-8-24 s.n. Siskiyou East Fork of Scott's Creek near Callahan's Comment
  SEINET8083541  Cornus glabrata G. D. Butler 1910-5-22 1385 Siskiyou Yreka creek Comment
  SD76143  Cornus nuttallii Helen V. Witham 1969-10-7 588 Siskiyou 3.0 miles south of Scott's Bar. 500 Comment
  UC165290  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek Comment
  CAS-BOT-BC212052  Cornus nuttallii Carl B. Wolf 1927-8-26 1071 Siskiyou On the Klamath River, 5 mi. above Hamburg Comment
  CAS-BOT-BC210401  Cornus sericea Alice Eastwood 1917-9-2 6705 Siskiyou Shasta Springs Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  HSC29144  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake. 1723 Comment
  JEPS75962  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Trinity Alps, Yellow Rose Mine Trail 1706 Comment
  RSA397707  Cornus stolonifera B. C. Templeton 1960-6-21 8557 Siskiyou 2 miles below the summit of Scott Mt. Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  RSA481445  Corylus cornuta var. californica M. B. Dunkle 1944-6-25 9010 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC101718  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13275 Siskiyou Along Sugar Creek Rd. 1214 Comment
  CHSC3381  Crataegus suksdorfii Alice L. Stoll 1966-5-14 184 Siskiyou 1 miles N.E. of Callahan. Comment
  UC1408881  Crepis acuminata F. W. Oettinger 1969-8-6 1263 b Siskiyou nne Toms Lake (near gap between Toms and Hancock Lake basins, in English Peak area); Salmon Mountains 2164 Comment
  CAS-BOT-BC290475  Crepis acuminata E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1879 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  UC895309  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  CDA4451  Crepis monticola F. D. Horn 1980-5-13 Siskiyou Vacant areas north of Northridge Drive, Yreka. 0 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  POM33149  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Mountain. 1220 Comment
  UC313845  Crepis occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  HSC92423  Crepis occidentalis subsp. pumila Jennifer Whipple 1977-7-20 1991 Siskiyou N slopes of Mount Eddy 2500 Comment
  UCD77572  Crepis pleurocarpa Robert E. Preston 2002-7-12 1913 Siskiyou Klamath National Forest, Rainbow Mountain. 1913 Comment
  CAS-BOT-BC290866  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2423 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1380 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
  SEINET11840723  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou about the head waters of Sacramento River 2438 Comment
  CAS-BOT-BC299729  Crocidium Douglas Horn 1938-4-17 35 Siskiyou East of Etna 1066 Comment
  UC129571  Crocidium multicaule F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  HSC19008  Cryptantha affinis J. O. Sawyer 1969-7-11 867 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC19014  Cryptantha affinis J. O. Sawyer 1969-8-1 1673 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC39807  Cryptantha affinis J. O. Sawyer 1969-7-18 1407 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC696  Cryptantha affinis William J. Ferlatte 1967-8-23 1107 Siskiyou Kidd Creek Trail 1951 Comment
  JEPS67672  Cryptantha intermedia T. H. Gilbert 1899-7-1 25 Siskiyou Scott River Valley Comment
  RSA256609  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1975 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  RSA273419  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1974 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  HSC1020  Cryptogramma acrostichoides Dorothy Parker 1949-7-10 347 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  HSC99673  Cryptogramma acrostichoides J. O. Sawyer 1969-6-13 952 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC399487  Cryptogramma acrostichoides Geo. D. Butler 1909-7-15 875 Siskiyou Highland Mine Comment
  CAS-BOT-BC85604  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards NE of Quarry, Fall river Mills Quad. 1109 Comment
  UC483417  Cupressus bakeri Mrs. Anderson 1902-2-16 Siskiyou Fork of Seiad Creek Comment
  SEINET10531424  Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Wolf 2127 Siskiyou Modoc Lava beds, 1 mi N.E. of timbered crater on old stage Rd. from Dana to Little Hot Springs Valley. Arid transition:- Arctostaphlos Patula, Yellow Pines. Sun. Lava Rock. 1220 Comment
  JEPS94901  Cymopterus terebinthinus var. californicus Vernon H. Oswald and Lowell Ahart 1998-6-11 9173 .1 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  SDSU2276  Cymopterus terebinthinus var. californicus D. F. Howe 1964-8-4 3934 Siskiyou Probably Modoc National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
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Oct 12 2011
  UCD77585  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-6-20 1834 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  CDA5637  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou West side of road to McCloud Reservoir, 0.3 mile south of McCloud. 0 Comment
  RSA59499  Cystopteris fragilis E. K. Balls 1950-5-17 14714 Siskiyou By Schebchin Butte, Lava Beds National Monument 1402 Comment
  CAS-BOT-BC189810  Dactylis glomerata Douglas Barbe 1955-7-1 075 Siskiyou Klamath Mountains. 1.3 mile east of Etna on the Westide Road to Callahan. 853 Comment
  JEPS87927  Darlingtonia californica Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9364 Siskiyou ca 1 mi e Toad Lake (at head of Middle Fk Sacramento River, ca 8 airmi w of Mt. Shasta City); head of Middle Fk Sacramento River, e of Toad Lake 1981 Comment
  UC1483479  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow Klamath National Forest, Preston Peak Quad. 1554 Comment
  UCD168830  Darlingtonia californica Barry Rice 2015-8-15 BR 150805 Siskiyou West end of Gumboot Lake. 1865 Comment
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  HSC139  Dasiphora fruticosa William J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail. 1707 Comment
  POM83288  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta. Comment
  JEPS86161  Delphinium decorum subsp. tracyi Wayne Roderick 1966-6-23 Siskiyou just e Pass; Cook and Green pass area 1371 Comment
  HSC30793  Delphinium depauperatum Melinda F. Denton 1973-6-30 2934 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  CAS-BOT-BC9882  Delphinium nudicaule George Dexter Butler 1909-4-18 599 Siskiyou Humbug Divide Comment
  CHSC9497  Delphinium nuttallianum J. F. Goodwin 1971-7-3 146 Siskiyou Southeast side of Castle Lake, 0.1 mi. south on Lookout Trail on east side of trail; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  HSC34156  Delphinium nuttallianum J. O. Sawyer 1969-7-9 1223 Siskiyou Along trail to Sugar Lake. 1768 Comment
  UCR142761  Deschampsia cespitosa subsp. cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 Comment
  UCD62396  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3380 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CAS-BOT-BC201942  Deschampsia elongata Lewis S. Rose 1945-6-18 45122 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC26484  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC68534  Deschampsia elongata Maralyn A. Renner 1980-6-25 1083 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC88847  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  UCD63530  Deschampsia elongata Beecher Crampton 1956-8-21 3812 Siskiyou Headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City, around Gumboot Lake. 1920 Comment
  HSC90911  Descurainia incisa subsp. incisa Jennifer Whipple 1976-7-9 1381 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UCD114794  Descurainia sophia Roseman 1913-1 41 Siskiyou Butte Valley. Comment
  HSC19282  Dicentra formosa J. O. Sawyer 1968-7-10 486 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC455332  Dicentra formosa I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (tollroad) Comment
  CAS-BOT-BC402482  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou Meadow on Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  CAS-BOT-BC47496  Dicentra formosa subsp. oregana A. M. Vollmer; L. Beane 1951-6-2 72 Siskiyou Road between Streamline Lodge & Deer Camp, north of Klamath River Highway Comment
  HSC45212  Dicentra pauciflora J. O. Sawyer, Ed Cope 1977-6-21 2985 Siskiyou Near Prescott Peak 1677 Comment
  HSC41069  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-3-4 2075 Siskiyou N of Idlewild Campground 762 Comment
  HSC44910  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6402 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC375189  Dichelostemma multiflorum Geo. D. Butler 1908-6-29 117 Siskiyou near Oro Fino Comment
  CAS-BOT-BC291001  Dieteria canescens var. shastensis Alice Eastwood 1921-7-28 10911 Siskiyou Medicine Lake Comment
  CAS-BOT-BC291008  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  HSC92174  Dieteria canescens var. shastensis Jennifer Whipple 1976-8-20 1705 Siskiyou Summit region of Mt. Eddy 2470 Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  UCR70754  Dimeresia howellii D. W. Taylor, G. L. Clifton, R. D. Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior 1500 Comment
  CAS-BOT-BC153652  Diplacus jepsonii Alice Eastwood 1921-7-29 10951 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  SEINET8211074  Diplacus nanus W. B. Cooke, V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station, Mt. Shasta. 1676 Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  UCD137482  Dipsacus M. V. Maxwell 1958-9-1 s.n. Siskiyou Fort Jones. Comment
  UC1409217  Disporum hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou above Wiregrass Meadow (near English Lake, vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  POM109258  Disporum hookeri var. hookeri Geo D. Butler 1910-4-22 1222 Siskiyou Kidder Creek Comment
  UC1949326  Dodecatheon alpinum Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  RSA78680  Dodecatheon hendersonii P. A. Munz 1952-7-2 17873 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC29234  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: on 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  JEPS94820  Downingia insignis Vernon H. Oswald and Lowell Ahart 1998-6-11 9217 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  HSC90894  Draba carnosula Jennifer Whipple 1976-7-1 1233 Siskiyou Near Little Crater Lake 2195 Comment
  RSA211442  Draba carnosula William J. Ferlatte 1967-8-20 1055 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  HSC29183  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Salmon Mtns., high lake basins in the vicinity of English Peak, Marble Mtn. Wilderness area, down NE end of Crapo Peak Ridge 2186 Comment
  JEPS53500  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka Comment
  HSC77078  Draba pterosperma K. T. Stillman 1976-6-16 2 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CDA24828  Draba verna G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2598 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  UC455949  Draperia systyla I. J. Condit 1911-7-7 Siskiyou Shasta Retreat, along Rail Road 1066 Comment
  UCD35436  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 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-BC159433  Drymocallis glandulosa var. glandulosa John Thomas Howell 1937-7-21 13157 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC90742  Drymocallis lactea var. lactea Jennifer Whipple 1976-7-8 1372 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC158412  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Along Horse Camp Creek Comment
  JEPS57170  Drymocallis pseudorupestris var. saxicola L. R. Heckard 1967-8-13 1705 Siskiyou Summit Region of Mount Eddy Mount Eddy; Summit Region of Mount Eddy 2743 Comment
  CAS-BOT-BC158423  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8716 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  HSC42935  Dysphania botrys Ken Stillman 1976-8-24 435 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC65322  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4438 Siskiyou 915 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
  RSA238955  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-5 714 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  UC1265385  Eleocharis decumbens Frederick W. Oettinger and R. F. Thorne 1969-8-4 1181 Siskiyou just N of Tobacco Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Western Siskiyou Mountains, Marble Mountai 1889 Comment
  RSA238950  Eleocharis decumbens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1181 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  POM264766  Eleocharis parishii L. C. Wheeler 1934-6-29 2826 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  RSA603996  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou White Mountains 1768 Comment
  HSC64370  Elymus caput-medusae Don Bateman 1980-6-19 Siskiyou 930 Comment
  CAS-BOT-BC227916  Elymus elymoides A. A. Heller 1920-6-27 13387 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC1024792  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-29 2231 Siskiyou Tennant 1524 Comment
  UC1133009  Elymus elymoides subsp. elymoides H. S. Yates 1936-6-21 5825 Siskiyou 2 mi w Soda Springs; Etna Quadrangle 853 Comment
  UC197112  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-12 1762 Siskiyou Shackleford Creek 1371 Comment
  UC53735  Elymus elymoides subsp. elymoides W. L. Jepson 1895-1 Siskiyou Shasta Comment
  HSC21979  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-9 1206 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC76897  Elymus glaucus K. T. Stillman 1976-9-9 491 Siskiyou Marble Mtn. Wilderness Area, trail from jump off to Paradise Lake 1951 Comment
  RSA239026  Elymus glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Southwest side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  SJSU11312  Elymus hispidus S. H. Casey 1981-7-3 1205 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
  UCD35446  Elymus trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1645 Comment
  CAS-BOT-BC392233  Enemion stipitatum Geo. D. Butler 1909-2-28 584 Siskiyou Unspecified Comment
  HSC18099  Enemion stipitatum D. H. Norris 1969-3-2 2273 Siskiyou 2 mi. E of Seiad Valley Comment
  RSA598061  Epilobium Louis C. Wheeler 1963-8-31 8326 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC164346  Epilobium brachycarpum Geo. D. Butler 1908-8-26 156 Siskiyou roadside near Etna Comment
  UC204380  Epilobium brachycarpum A. A. Heller 1914-8-25 11706 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  JEPS117458  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2010-7-30 16952 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UCD80892  Epilobium hallianum Robert E. Preston 2001-7-21 1720 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC19493  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-18 1402 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  HSC49657  Epilobium minutum J. P. Smith 1973-5-5 6494 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET10632308  Epilobium oreganum A. Arthur Heller 1914-8-28 Heller s.n. Siskiyou Mt. Eddy 1290 Comment
  SEINET10632312  Epilobium oreganum A. Arthur Heller 1914-8-25 Heller 11712 Siskiyou Granite sand near Deetz station opposite Black Butte, wet grassy place 1140 Comment
  CDA38103  Epilobium oregonense T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  CAS-BOT-BC171862  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 A Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  HSC62031  Epilobium siskiyouense Al Hobart 4 Aug [year missing] Siskiyou Preston Peak Comment
  HSC45899  Eragrostis mexicana subsp. virescens Laura Witherspoon 1978-8-30 111 Siskiyou Klamath National Forest. Rd. to Ball Mtn. Lookout 2134 Comment
  SEINET3164603  Eremocarpus setiger G. D. Butler 1910-7-28 1794 Siskiyou near Yreka Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CHSC84756  Eremogone congesta var. suffrutescens L. P. Janeway 2003-8-9 7960 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake, just over north edge of the ridge. 1786 Comment
  SJSU8729  Eriastrum wilcoxii G. R. Ostrander 1965-7-14 79 Siskiyou by Hwy 89, 10 mi E of McCloud 1036 Comment
  CAS-BOT-BC286713  Ericameria bloomeri Alice Eastwood 1912-9-1 2064 Siskiyou Mount Shasta Comment
  CAS-BOT-BC58394  Ericameria bloomeri R. C. Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  UC60982  Ericameria bloomeri Geo. B. Grant 1902-9-1 5093 Siskiyou Horse Camp Mount Shasta, Horse Camp 2133 Comment
  CAS-BOT-BC287496  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Klamath Forest 1828 Comment
  JEPS16943  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou pass just s of Mount Eddy 2438 Comment
  HSC2236  Ericameria nauseosa Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC299469  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  JEPS80484  Ericameria nauseosa var. speciosa W. B. and V. G. Cooke 1976-10-24 54051 Siskiyou along Bolam Road Mt. Shasta 1524 Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  UC894775  Ericameria nauseosa var. speciosa Lewis S. Rose 1941-8-28 41430 Siskiyou Macdoel 1297 Comment
  CAS-BOT-BC294305  Ericameria nauseosa var. speciosa Ella Dales Cantelow 1936-10-23 s.n. Siskiyou 16 mi. n.w. of Yreka, Klamath River, Hy #96 Comment
  CAS-BOT-BC293497  Erigeron aliceae John Thomas Howell 1939-8-2 14879 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS84324  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6500 Siskiyou ca 15 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.) 2000 Comment
  UC722087  Erigeron aliceae C. L. Hitchcock and J. S. Martin 1939-7-6 5202 Siskiyou 2 mi within California boundary on Takilma-Happy Camp road Siskiyou Mts. 1554 Comment
  HSC75806  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-15 10122 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC46719  Erigeron compositus William J. Ferlatte 1974-7-15 1547 Siskiyou Dorleska summit, Grouse Ridge 200yd N of summit 2134 Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  CAS-BOT-BC300859  Erigeron glacialis var. glacialis Edward Lee 1934-8-15 1132 Siskiyou Near summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1584 Comment
  HSC76944  Erigeron glacialis var. glacialis K. T. Stillman 1976-9-9 471 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  CAS-BOT-BC295389  Erigeron inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1066 Comment
  HSC68173  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1972-9-12 5776 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  UC895897  Erigeron inornatus var. inornatus Alice Eastwood 1912-7-15 1118 Siskiyou McCloud Comment
  CAS-BOT-BC295461  Erigeron klamathensis John Thomas Howell 1939-8-6 15101 Siskiyou Elk Mt., Marble Mts. Comment
  RSA238720  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou N of Tobacco Lake 1890 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  HSC779  Erigeron petrophilus var. viscidulus William J. Ferlatte 1967-8-17 954 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC300091  Erigeron philadelphicus Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  RSA60477  Erigeron philadelphicus John H. Thomas 1949-6-16 945 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UC1190271  Erigeron philadelphicus var. philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  CHSC71471  Erigeron pumilus var. intermedius Vernon H. Oswald; Lowell Ahart 1998-7-21 9331 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. West edge of pit. 1402 Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  SBBG115567  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou Eaton-Duck Lakes trailhead, Russian Wilderness 1524 Comment
  UC101836  Eriogonum alpinum Dr. E. B. Copeland 1903-8-18 3813 Siskiyou Mt. Eddy 2651 Comment
  UC1211909  Eriogonum compositum var. compositum Roy L. Taylor 1960-6-12 4440 Siskiyou 1 mi w jtn. of Hwy 96 (Klamath River Rd.) and Hwy. 99 n of Yreka (hillsides above the Klamath River); Klamath River Comment
  RSA237751  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-9-6 748 Siskiyou Ridge trail east of Tom's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC242528  Eriogonum congdonii R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 173 Siskiyou Near Red Rock Mtn., Trinity Alps 2186 Comment
  JEPS84197  Eriogonum diclinum L. R. Heckard with J. Hickman et al. 1986-7-17 6495 Siskiyou Oak Knoll Ranger Station road to Condrey Mt ca 14.5 mi from. Hwy 96 (Walker) (near Dry Lake) 2000 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  RSA215624  Eriogonum elatum var. elatum Gilbert Muth 1969-8-7 1244 Siskiyou Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC85862  Eriogonum elatum var. villosum T. S. Brandegee July 1887 Siskiyou Ager Comment
  UC902111  Eriogonum elatum var. villosum Joseph P. Tracy 1949-9-14 18550 Siskiyou Salmon River at mouth of Mathews Cr.; Salmon River, Mathews Cr. 548 Comment
  UC1299711  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou n, on Waldo-Happy Camp Road West Branch Camp; North Coast Ranges, Waldo-Happy Camp Road Comment
  JEPS125891  Eriogonum libertini Dean W. Taylor Jun 181996 15694 Siskiyou Shasta Trinity National Forest; Scott Mountains, bordering Shasta Valley, hillslopes about 4 miles S of Gazelle. Comment
  CHSC1325  Eriogonum lobbii A. Anderson 1962-9-15 Siskiyou Salmon Summit. 2164 Comment
  POM208193  Eriogonum luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  CAS-BOT-BC33575  Eriogonum marifolium L. E. Smith 1913-8-12 517 Siskiyou McCloud Comment
  JEPS56778  Eriogonum marifolium Chesnut and Drew July 1891 Siskiyou Mt. Shasta-Lassen Comment
  LA206883  Eriogonum marifolium W. B. C. after Stokes; 1939-8-8 13838 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  SBBG21293  Eriogonum marifolium D. Myrick 1964-7-25 958 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  SD53332  Eriogonum marifolium D. F. Howe 1962-8-6 3404 Siskiyou Mt. Shasta 2438 Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  CAS-BOT-BC267392  Eriogonum marifolium var. marifolium John Thomas Howell 1937-7-29 13630 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC43064  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-27 4519 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UCR37584  Eriogonum nudum var. nudum L. P. Janeway 1983-8-7 516 Siskiyou Peak '5148' East of Preston Peak 1555 Comment
  HSC30485  Eriogonum nudum var. nudum Frederick W. Oettinger 1968-8-16 532 Siskiyou Marble Mtn. Wilderness Area, summit of Red Hill N of Hancock Lake 2088 Comment
  HSC689  Eriogonum nudum var. nudum William J. Ferlatte 1967-8-23 1113 Siskiyou Along S Fork of the Salmon River between the campground and Carter's 1524 Comment
  UC849763  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou near Yreka Comment
  UC585079  Eriogonum nudum var. pubiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1924 Siskiyou sw Yreka (s of highway); Forest House Mt. 1363 Comment
  CAS-BOT-BC272467  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-27 1605 Siskiyou Near Yreka Comment
  HSC17329  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-6-26 118 Siskiyou Lava Beds N.M., 1.5 mi. from campground, Indian Well fire rd. Comment
  CAS-BOT-BC258742  Eriogonum ovalifolium var. ovalifolium Elmer I. Applegate 1935-6-11 9493 Siskiyou Upper Ice Cave Area, Lava Beds National Monument Comment
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  JEPS25537  Eriogonum pyrolifolium Rimo Bacigalupi with Lincoln Constance 1959-6-16 7153 Siskiyou above Panther Meadow (just e of Ski Lodge; sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  CAS-BOT-BC252953  Eriogonum pyrolifolium var. pyrolifolium Robert T. Clausen; Harold Trapido 1940-7-27 4968 Siskiyou West side of west fork of Mountainhouse Creek, 3 miles north-northeast of summit of Mt. Shasta, Sacramento River Basin, So. Cascade Mts. 2438 Comment
  SD53341  Eriogonum pyrolifolium var. pyrolifolium Darley F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta 2438 Comment
  JEPS82246  Eriogonum siskiyouense Roger Raiche 1983-8-14 30614 Siskiyou fell-field slope near summit of road to Mt. Eddy (<road> A.K.A. road to Dead Fall Meadow, Park Creek Rd. or Forest Rd. 42N17) 2133 Comment
  CAS-BOT-BC269972  Eriogonum spergulinum var. reddingianum W. B. Cooke; V. G. Cooke 1966-7-17 37249 Siskiyou Vicinity of Inconstance Creek, Mt. Shasta 1828 Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC263397  Eriogonum strictum var. proliferum Alice Eastwood 1912-8-30 2008 Siskiyou Mount Eddy Comment
  CAS-BOT-BC267944  Eriogonum umbellatum W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  CAS-BOT-BC267985  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  HSC32766  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Marble Mtn. Wilderness Area, steep S side of David Mtn. S of Charmaine Lake, near ridge top 2043 Comment
  UC163831  Eriogonum umbellatum var. argus Geo. D. Butler 1908-8-9 214 Siskiyou summit s Marble Valley Comment
  RSA0066290  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-2 240 Siskiyou Trinity Alps: Big Flat; wooded area near public camp. 1524 Comment
  CHSC34257  Eriogonum umbellatum var. humistratum J. D. Jokerst; M. D. Huffine 1981-9-11 1502 Siskiyou Summit of rd 17 at the Siskiyou Trinity County line where it crosses the Pacific Crest Trail. North of the road. Comment
  UC77425  Eriogonum umbellatum var. humistratum H. E. Brown Jun 15 1897-Jun 30 1897 Siskiyou n side Mt. Shasta Mt. Shasta 1524 Comment
  SEINET3860108  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mi WSW of California Hwy 3, about 6.1 air mi SW of Fort Jones and 5.7 air mi N of Etna.; 0 869 Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  RSA739868  Eriogonum umbellatum var. nevadense L. P. Janeway, B. Castro 2007-7-28 9128 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  RSA766152  Eriogonum umbellatum var. polyanthum J. T. Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC36668  Eriogonum umbellatum var. speciosum Brent Whiteley 1975-7-5 142 Siskiyou 213 Comment
  HSC77247  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-23 693 Siskiyou At Poker Flat 1524 Comment
  CAS-BOT-BC262378  Eriogonum vimineum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC262371  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1937-6-25 5023 Siskiyou Callahan Comment
  HSC30682  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou Marble Mtn. Wilderness Area, meadow that feeds into Diamond Lake 2073 Comment
  HSC35113  Eriophyllum lanatum J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  UC195367  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou e side Mt. Eddy Comment
  POM252998  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  POM31386  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  HSC27652  Eriophyllum lanatum var. grandiflorum Carl W. Mize 1972-6-8 11 Siskiyou 335 Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC19555  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-8-1 1634 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS95652  Eriophyllum lanatum var. integrifolium Vernon H. Oswald and L. Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  RSA215650  Eriophyllum lanatum var. integrifolium Gilbert Muth 1969-8-6 1189 Siskiyou Boulder Park. 2530 Comment
  HSC98326  Eriophyllum lanatum var. lanceolatum G. L. Clifton, Griswold 1979-6-28 6118 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CHSC91383  Erodium cicutarium Lowell Ahart; John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS107286  Erodium cicutarium Lowell Ahart, John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC1565571  Eryngium mathiasiae Beth Corbin 1989-8-28 545 Siskiyou ca. 13 air mi. n. Fall River Mills (3 mi. n. of Timbered Crater) 1097 Comment
  HSC64095  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6484 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC105089  Erythranthe linearifolia R. C. Wenk 2008-7-25 961 Siskiyou 9.5 miles W of Callahan on Forest Highway 93 / Cecilville Rd. 1592 Comment
  CAS-BOT-BC133262  Erythronium J. H. Thomas 1954-5-13 4139 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  POM109651  Erythronium citrinum var. citrinum Geo D. Butler 1910-4-24 1239 Siskiyou Quartz Valley Comment
  UC165734  Erythronium grandiflorum Geo. D. Butler 1910-7-9 1715 Siskiyou Marble Mt. 1828 Comment
  SEINET10528989  Erythronium grandiflorum var. parviflorum Harley P. Chandler Chandler 1619 Siskiyou Ridges and meadows near Marble Mountain. 2135 Comment
  CAS-BOT-BC133299  Erythronium hendersonii Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC133300  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  UC454408  Erythronium klamathense I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
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Mar 5 2007
  CAS-BOT-BC403674  Eschscholzia californica Doris K. Kildale 1929-6-25 8368 Siskiyou 6 miles north of Klamath River at Hornbrook on Pacific Highway Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  UC1409464  Eucephalus glabratus Frederick W. Oettinger 1968-8-16 548 Siskiyou Hancock Lake, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1935 Comment
  UCD77363  Eucephalus ledophyllus Robert E. Preston 2001-7-21 1705 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1920 Comment
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Nov 7 2014
  HSC471  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC310634  Eurybia radulina Alice Eastwood 1912-7-21 1281 Siskiyou Sisson Comment
  UCD98903  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  RSA273423  Festuca californica var. californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5735 Siskiyou 2.0 miles south of Sugar Creek on Parrott Mill Road. 1341 Comment
  CAS-BOT-BC278720  Festuca idahoensis Wm. Bridge Cooke 1938-7-15 11217 Siskiyou Mount Shasta. Above Bear Spring Comment
  HSC77105  Festuca idahoensis K. T. Stillman 1976-8-7 177 Siskiyou Marble Mtn. Wilderness Area. Comment
  CAS-BOT-BC278874  Festuca occidentalis John Thomas Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD37079  Festuca occidentalis Beecher Crampton 1956-8-21 3814 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  SEINET10864166  Festuca roemeri Barbara L. Wilson 1996-6-22 Wilson 8172 Siskiyou 0.9 miles from the Gazelle Rd on the Stewart Springs Rd (Forest Service Rd 17), at the first bend in the road, ca. 3.5 miles W and 1 mile N of weed; T42N R5W S32 SW1/4. Comment
  CAS-BOT-BC279070  Festuca rubra L. E. Smith 1915-6-1 s.n. Siskiyou Sisson 1524 Comment
  CHSC61575  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; southeast-sloping ridge just northwest behind West Branch Guard Station. 701 Comment
  HSC65340  Festuca rubra J. P. Smith 1973-5-5 6443 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC33968  Fragaria vesca J. P. Smith 1974-5-25 7465 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  CHSC29777  Fragaria virginiana M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2783 Siskiyou Bog around Cedar Lake, at lake edge. 1737 Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  UC1258449  Fragaria virginiana subsp. platypetala J. Sawyer and J. Cole 1980-7-22 3990 Siskiyou Little Horse Peak; Klamath National Forest, Bray Quad. 1719 Comment
  CAS-BOT-BC60024  Frangula purshiana John Thomas Howell 1937-7-24 13424 Siskiyou Caribou Basin, Salmon-Trinity Alpa. 2286 Comment
  HSC100188  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-3 13408 Siskiyou Along Old Shasta River Road. 744 Comment
  HSC59596  Frangula purshiana J. P. Smith, Steve Selva 1970-6-16 4087 Siskiyou 7 mi. W of Sawyers Bar on road to Forks of Salmon Comment
  CAS-BOT-BC55700  Frangula rubra subsp. modocensis John Thomas Howell 1934-7-4 12402 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC16194  Fraxinus latifolia L. C. Wheeler 1934-9-15 3262 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC502846  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  UC1076029  Fritillaria atropurpurea Herbert L. Mason 1947-5-17 14744 Siskiyou summit of Scott Mountain grade, Trinity-Siskiyou County Line Scott Mountain Comment
  CHSC2283  Fritillaria pudica A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  HSC33973  Fritillaria recurva J. P. Smith 1974-5-25 7435 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA238877  Galium aparine Frederick W. Oettinger 1969-8-1 1131 Siskiyou N of Wire Grass Meadow. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  CHSC106837  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt Shasta City. N-facing slope S of creek. 1889 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
  HSC61212  Galium glabrescens subsp. glabrescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS27425  Galium glabrescens subsp. glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-3 1875 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain Comment
  RSA264749  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  CAS-BOT-BC182268  Garrya fremontii Elmer I. Applegate 1898-5-15 2138 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM78080  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. Comment
  RSA238747  Garrya fremontii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1199 Siskiyou South east facing slope by 'Willow Springs' along the trail between Abbotts Upper Cabin and English Lake; Salmon Mountains, Marble Mountain Wilderness Area. 1677 Comment
  UC166164  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC56289  Gaultheria ovatifolia W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett trail to Prestons Peak Comment
  RSA785409  Gaultheria shallon Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  UCR37543  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower protion of meadow. 1524 Comment
  HSC16399  Gayophytum diffusum subsp. parviflorum R. C. Wunner 1965-8-21 412 Siskiyou Lava Beds N.M., N boundary area near Hovey Pt. 1220 Comment
  HSC29482  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Salmon Mtns., E side of Hancock Lake 1890 Comment
  JEPS27537  Gayophytum heterozygum Willis L. Jepson Jul 24 1894-Aug 10 1894 14435 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC422806  Gayophytum heterozygum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  UC904788  Gayophytum heterozygum W. Bridge Cooke 1949-8-26 25667 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  POM230341  Gayophytum heterozygum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 915 Comment
  HSC91276  Gentiana calycosa Jennifer Whipple 1976-8-20 1731 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  HSC24867  Gentiana calycosa Richard Spjut Aug 1970 1265 Siskiyou Marble Mtn. Wilderness Area, W side of ridge between Bear Lake and Turk Lake 2012 Comment
  RSA211175  Gentiana newberryi William J. Ferlatte 1966-8-17 388 Siskiyou Caribou Basin; Trinity Alps 1982 Comment
  SEINET8567382  Geranium oreganum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  SEINET207375  Gilia capillaris Van Deventer, Mrs. Deventer 1959-7-10 7295 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County line about 4mi N-NE of Preston Peak; watershed of Indian Cree 1494 Comment
  RSA184633  Gilia capitata Clare B. Hardham 1965-8-20 13018 Siskiyou Marble Mts. Near Cudahy Lakes Comment
  UC60878  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1665 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS83894  Gilia capitata subsp. capitata Wayne Roderick July 1976 Siskiyou s side of Cook and Green Pass , s side Cook and Green Pass (Siskiyou Mountains) Comment
  CAS-BOT-BC282719  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  HSC22312  Glyceria elata J. O. Sawyer 1969-7-11 862 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  UC1265380  Glyceria striata F. W. Oettinger and R. F. Thorne 1969-8-5 1202 Siskiyou Willow Spring Salmon Mountains (on trail from English Lake to Abbotts Upper Cabin, w Siskiyou County) 1676 Comment
  UCD85213  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  JEPS34050  Gnaphalium palustre Geo. D. Butler 1908-7-7 315 Siskiyou along creek at Butler's Ranch near Yreka Comment
  POM208364  Gnaphalium palustre L. C. Wheeler 1934-6-10 2676 Siskiyou Hungry Creek; Siskiyou Mts. Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  UC1034055  Goodyera oblongifolia W. Bridge Cooke 1941-8-28 16231 Siskiyou Mount Shasta, along Squaw Valley Creek Squaw Valley Creek; Mount Shasta, Squaw Valley Creek 1524 Comment
  UC1585405  Goodyera oblongifolia R. Raiche, K. Zadnik and H. Forbes 1989-3-10 Siskiyou at Cook and Green Pass, Siead Valley Road, [UCBG 55] Green Pass; Siead Valley Road, Cook Pass, Green Pass 1425 Comment
  JEPS77492  Gratiola ebracteata Susan Horner 1978-6-30 401 Siskiyou road between 40N05 and Sand Flat Well about 4 mi sse Hambone Comment
  SEINET10615475 Image available Grindelia nana var. nana A. Arthur Heller 1917-9-7 Heller 12979 Siskiyou Shasta valley ten miles south of Gazelle in gravelly soil at the base of a hill. 914 Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC22135  Hackelia micrantha J. O. Sawyer 1969-6-13 949 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC810  Hackelia micrantha William J. Ferlatte 1967-7-26 737 Siskiyou Caribou Basin 1982 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  UC163856  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou Whiskey Camp Independence Creek Comment
  UC164133  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackelford Creek 1371 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  RSA126300  Hackelia micrantha I. L. Wiggins 1955-7-29 13575 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek 1957 Comment
  RSA167325  Hackelia setosa Joseph P. Tracy 1951-6-16 19470 Siskiyou Near Oregon-California State Line, on the Takilma-Happy Camp Road. Comment
  RSA495512  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  CAS-BOT-BC504607  Hastingsia alba J. H. Thomas; H. A. Thomas 1954-7-25 4539 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC504615  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's prairie, north base of Mt. Eddy 1158 Comment
  RSA211315  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  RSA232529  Hastingsia alba Donald Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  UC3686  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  SD98966  Hastingsia bracteosa Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek. Comment
  CHSC118632  Hastingsia serpentinicola Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -007 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  HSC34514  Hastingsia serpentinicola A. M. Montalvo, J. D. Ackerman 1974-7-2 343 Siskiyou Sacramento River drainage between Shasta City and Mt. Eddy on rd. to Deadfall Lakes and Morgan Meadows 1524 Comment
  CAS-BOT-BC302453  Hazardia whitneyi var. discoidea Doris K. Kildale 1928-8-19 6533 Siskiyou Trail from English Lake to Hancock Lake on way to Marble Mt. Comment
  HSC29098  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; Crapo Ridge where the trail crosses it. 2195 Comment
  HSC30273  Hazardia whitneyi var. discoidea William J. Ferlatte 1971-9-18 1382 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  CAS-BOT-BC306756  Helenium bigelovii Doris K. Kildale 1929-7-20 8712 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC29088  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UCD132695  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou in vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC314841  Helianthella californica var. shastensis L. E. Smith 1914-5-21 707 Siskiyou Dunsmuir Comment
  RSA298340  Helianthus annuus subsp. lenticularis J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  CAS-BOT-BC313446  Hemizonella minima C. L. Hitchcock; J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC310072  Hemizonella minima Wm. Bridge Cooke 1940-6-4 15006 Siskiyou Mount Shasta. In the old Bolam road Comment
  SDSU4585  Hemizonia congesta subsp. clevelandii D. F. Howe 1977-7-2 4984 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 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
  RSA65598  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 miles S of Greenview, Scott Valley. Comment
  UCD110544  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou Scott Mountain grade on road from Callahan to summit of mountain. Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  JEPS84204  Heterotheca villosa var. minor L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6324 Siskiyou 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1850 Comment
  CAS-BOT-BC420728  Heuchera cylindrica Elmer I. Applegate 1935-6-6 9356 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  UC11339  Heuchera cylindrica var. ovalifolia Milo S. Baker 1893-6 Siskiyou near Medicine Lake 2743 Comment
  HSC22091  Heuchera merriamii J. O. Sawyer 1969-8-1 1685 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC4793  Heuchera merriamii William J. Ferlatte 1966-8-19 454 Siskiyou Head Of Kidd Creek 2134 Comment
  CAS-BOT-BC420736  Heuchera merriamii Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mts. Comment
  RSA0076250  Heuchera merriamii M. B. Dunkle 1945-7-19 9224 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC26104  Heuchera micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5675 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  RSA0066095  Heuchera micrantha var. diversifolia M. B. Dunkle 1944-6-25 9014 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS49752  Heuchera rubescens Geo. D. Butler 1908-7-4 216 Siskiyou Shasta River near Reeders; Shasta River Comment
  SEINET185086  Heuchera rubescens C. L. Hitchcock, JS Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  CHSC359  Hieracium albiflorum K. Jaekel 1939-7-2 Siskiyou Mt. Shasta. 1828 Comment
  UC1483555  Hieracium albiflorum John Palmer 1980-8-12 719 Siskiyou se of Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  UC166115  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  POM360468  Hieracium albiflorum Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  SEINET515843  Hieracium greenei Vernon Oswald 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  UC455917  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou Trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC318647  Hieracium horridum John Thomas Howell 1937-7-24 13421 Siskiyou Caribou Basin, Salmon-Trinity Alps Comment
  UC337088  Hieracium horridum unknown 1888-9-12 Siskiyou side Mt. Shasta Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  JEPS82132  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  CAS-BOT-BC320106  Hieracium triste John Thomas Howell 1937-7-24 13392 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC30308  Holcus lanatus William J. Ferlatte 1966-8-16 373 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  RSA183703  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley, Marble Mountains. Comment
  POM91535  Holodiscus discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek. 915 Comment
  CAS-BOT-BC152377  Holodiscus discolor var. discolor Doris K. Kildale 1928-8-19 6539 Siskiyou Summit of divide between Eighth Lake and Hancock Lake - trail to Marble Mt. 2194 Comment
  CAS-BOT-BC150130  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 5111 Siskiyou Horse Camp, Mt. Shasta 2743 Comment
  HSC63677  Holodiscus microphyllus var. glabrescens Richard Spjut, Emelia Russell 1979-8-28 5511 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  SDSU9087  Holodiscus microphyllus var. glabrescens D. F. Howe 1964-8-4 3933 Siskiyou Probably Modoc or Shasta National Forest., 9.0 miles from entrance to Lava Bed National Monument. 2042 Comment
  HSC92533  Hordeum brachyantherum Jennifer Whipple 1976-7-24 1539 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CAS-BOT-BC143963  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1752 Siskiyou Near Yreka on Ft. Jones Road Comment
  SBBG72488  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou near Gazelle, Shasta Valley Comment
  UC398680  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou near Gazelle (Shasta Valley); Shasta Valley Comment
  HSC60168  Horkelia daucifolia var. daucifolia J. P. Smith 1976-5-21 8766 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC75114  Horkelia daucifolia var. daucifolia J. P. Smith, Thomas W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  SEINET515837  Horkelia fusca subsp. parviflora Vernon Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1905 Comment
  UC415525  Horkelia fusca subsp. parviflora H. E. Brown Jul 15 1897-Jul 30 1897 Siskiyou s side Mt. Shasta; S side of Mt. Shasta, Siskiyou Co. 1524 Comment
  CAS-BOT-BC514284  Horkelia fusca var. pseudocapitata A. A. Heller 1916-6-23 12429 Siskiyou Near Black Butte N of Sisson 1127 Comment
  UC453992  Horkelia tridentata subsp. tridentata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Summit of Mt. Bradley 1981 Comment
  CAS-BOT-BC539430  Horkelia tridentata var. tridentata Wm. Bridge Cooke 1940-6-26 15048 Siskiyou Openings in the woods and brush along the Castle Lake road (west of Shasta Springs) Comment
  CAS-BOT-BC312570  Hulsea nana Wm. Bridge Cooke 1939-7-26 13768 Siskiyou Mount Shasta. Along the Summit Trail below Lake Helen Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS74524  Hydrophyllum occidentale W. J. Ferlatte 1966-6-22 90 Siskiyou South Fork of the Salmon River Trinity Alps (between the campground and Carter's) 1524 Comment
  UC164143  Hydrophyllum occidentale Geo. D. Butler 1909-4-25 691 Siskiyou Quartz Valley Comment
  JEPS35539  Hymenoxys hoopesii Geo. D. Butler 1908-8-2 318 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  SEINET193110  Hymenoxys lemmonii Ynez Whilton Winblad 1941-6-20 sn Siskiyou Btwn. Weed and Yreka. Comment
  HSC69225  Hypericum anagalloides Maralyn A. Renner 1980-8-31 2619 Siskiyou Twin Valley. 1494 Comment
  HSC99611  Hypericum anagalloides J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 Comment
  POM86613  Hypericum androsaemum Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek. 1220 Comment
  JEPS109404  Hypericum formosum var. scouleri Dean W. Taylor 2004-7-19 19187 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UC164399  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou <Goosenest> foothills 1219 Comment
  UC1216705  Hypericum perforatum W. B. and V. G. Cooke 1962-8-19 33549 Siskiyou near Memorial Hwy. Mt. Shasta Comment
  CAS-BOT-BC401286  Hypericum perforatum W. B. Cooke; V. G. Cooke 1962-8-19 33549 Siskiyou Near Memorial Highway, Mt. Shasta Comment
  SEINET5344270  Hypericum scouleri G. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC206828  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  UC1736084 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15847 Siskiyou Crater Lake, Scott Mountains; on southwestern most switchback of jeep road to the lake reached via Forest Road 41N03; Klamath National Forest. 2118 Comment
  SJSU6075  Ipomopsis aggregata R. W. Trivelpiece 1971-7-27 62 Siskiyou near Eddy Gulch Lookout c. 4.5 mi S of Sawyers Bar on N Fork Salmon R, Salmon R Mts 1828 Comment
  UC52524  Ipomopsis aggregata Geo. B. Grant Sept, 1902 4967 Siskiyou Sisson Comment
  UC648263  Ipomopsis aggregata John Thomas Howell 1939-8-2 14898 Siskiyou Spirit Lake Marble Mtns Comment
  RSA120872  Ipomopsis aggregata subsp. formosissima H. K. Wagnon 1957-8-11 s.n. Siskiyou East slope of Mt. Shasta, along Brewer Cr., 6 mi. W of Military Pass Rd. Comment
  HSC68472  Iris tenuissima Maralyn A. Renner 1980-6-26 1224 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA135924  Iris tenuissima Lee W. Lenz 1953-5-13 18298 Siskiyou 7 miles from Happy Camp on road to Yreka 366 Comment
  UC1586879  Isatis tinctoria Juha Pykala and D. H. Norris 1987-4-26 2052 Siskiyou 0-3 km below Bear Lake (above Bear Creek, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area Comment
  CDA3765  Isatis tinctoria T. C. Fuller 1962-6-11 8956 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  CDA3768  Isatis tinctoria Ball 1935-6-21 Siskiyou Scott Valley. 0 Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  SFV1479  Isatis tinctoria J. M. Tucker, L. K. Mann 1963-7-4 3688 Siskiyou Along old abandoned road 8.5 miles (by road) northeast of Fort Jones. Comment
  UCD115198  Isatis tinctoria R. C. Bacigalupi; S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97. 1524 Comment
  CAS-BOT-BC57681  Isoetes bolanderi Elmer I. Applegate 1923-8-19 3889 Siskiyou Medicine Lake Comment
  HSC91421  Isoetes bolanderi Jennifer Whipple 1976-7-24 1536 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC400940  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 C Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  UC922488  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5893 Siskiyou hidden lake above Sky High Lake; Marble Mts, Sky High Valley 1859 Comment
  POM211513  Isopyrum stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Siskiyou Mountains: Miller Gulch off Klamath River. 671 Comment
  HSC101876  Ivesia longibracteata R. D. Whittlesey 2013-9-16 19 Siskiyou Near Castella: 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 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
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  CAS-BOT-BC110024  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  UCD77266  Juncus balticus subsp. ater Robert E. Preston 2002-7-12 1904 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  RSA715781  Juncus bufonius var. bufonius L. Ahart, John Dittes 2005-6-9 12055 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC76745  Juncus drummondii K. T. Stillman 1976-7-15 262 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS24611  Juncus ensifolius Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6764 Siskiyou in the 1.5 mi stretch between Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs (along S.P. (Shasta Route) railway grade); Upper Sacramento River Canyon 731 Comment
  UC421842  Juncus ensifolius Geo. B. Grant Sep 1902 5229 Siskiyou Horse Camp Mount Shasta 2438 Comment
  RSA184628  Juncus ensifolius Clare B. Hardham 1965-8-20 13022 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  HSC92869  Juncus mertensianus Jennifer Whipple 1977-7-20 1998 Siskiyou N slopes of Mount Eddy 2500 Comment
  UCD21463  Juncus mertensianus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1203 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  HSC22107  Juncus nevadensis J. O. Sawyer 1969-8-5 1760 Siskiyou W of Little Duck Lake 2073 Comment
  UCD141624  Juncus nevadensis Jack Major 1961-7-14 641 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  RSA238909  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1288 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS67056  Juncus orthophyllus Geo. D. Butler 1909-6-22 872 Siskiyou Goosenest foothills Goosenest Comment
  UC1265480  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou midway between Tom Taylor Cabin English Peak (Bear Meadow, at head of Snowslide Gulch, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Snowslide 1996 Comment
  HSC74838  Juncus patens J. P. Smith, J. O. Sawyer 1978-7-3 10007 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CAS-BOT-BC80908  Juniperus Mrs. G. Earle Kelly 1924-6-1 s.n. Siskiyou Eagle ridge, Klamath L. Comment
  CAS-BOT-BC81134  Juniperus communis Arthur Menzies 1956-8-1 s.n. Siskiyou Above Panther Meadow, Mt. Shasta 2743 Comment
  CDA707  Juniperus communis var. saxatilis J. Grisham 1960-10-27 Siskiyou Mt. Eddy, ca. 6 mi. W of Mt. Shasta City. Comment
  CAS-BOT-BC81225  Juniperus occidentalis L. E. Smith 1913-8-13 522 Siskiyou Yreka Comment
  SD76144  Juniperus occidentalis Helen V. Witham 1969-10-7 545 Siskiyou east of Scott River 1000 Comment
  UCD133042  Juniperus occidentalis Beecher Crampton 1960-2-1 5475 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  NY20170  Juniperus occidentalis Miss Herzinger 11 1903 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM120220  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-8-16 227 Siskiyou Near Yreka 915 Comment
  CAS-BOT-BC56361  Kalmia microphylla subsp. microphylla Doris K. Kildale 1928-8-19 6511 Siskiyou English Lake, head of north fork of Salmon River Comment
  UCR208051  Kalmia polifolia L. C. Wheeler 1934-8-5 3037 Siskiyou Siskiyou Mountains, Mud Springs, Middlehell Creek 1677 Comment
  RSA46968  Keckiella corymbosa Carl B. Wolf 1927-8-27 1125 Siskiyou On the Klamath River, 4 miles below Happy Camp. Comment
  UC1190128  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou between Cecilville and Forks of Salmon (hillside along South Fork of Salmon River); South Fork of Salmon River Comment
  CAS-BOT-BC246179  Keckiella lemmonii Geo. B. Grant 1902-9-13 5189 Siskiyou Dunsmuir Comment
  UC163817  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek; Clark Mine Comment
  JEPS19790  Kelloggia galioides Rimo Bacigalupi with S. Galen Smith 1957-6-25 5931 Siskiyou just w Black Butte railroad junction 1188 Comment
  JEPS82321  Kelloggia galioides Roger Raiche 1982-7-8 20589 A Siskiyou above Lily Pad Lake (Cook and Green Pass); above Lily Pad Lake, Cook and Green Pass 1828 Comment
  SD76172  Kelloggia galioides Helen V. Witham 1969-10-6 558 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  JEPS94847  Kochia scoparia Vernon H. Oswald and Lowell Ahart 1998-9-16 9634 Siskiyou Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97) 1243 Comment
  HSC103308  Lathyrus jepsonii subsp. californicus Thomas W. Nelson, Jane Nelson 1983-7-29 7505 Siskiyou Along Forest Service Rd. 41N14, 1.7 mi. N of junction with Callahan-Cecilville County Rd. 1463 Comment
  CAS-BOT-BC204985  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek Comment
  UC162610  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1629 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC274355  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Klamath National Forest. Walker 518 Comment
  CHSC72244  Lemna minor Vernon H. Oswald; Lowell Ahart 1998-9-16 9640 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC534901  Lemna turionifera Douglas Barbe 1955-6-29 050 Siskiyou 4.1 miles southeast of Etna on the East-side Rd. 914 Comment
  CAS-BOT-BC88929  Lepidium densiflorum var. densiflorum 1912-7-1 s.n. Siskiyou Yreka. Comment
  SEINET516322  Lepidium latifolium Vernon H. Oswald 1998-9-16 9646 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  SEINET8368700  Leptodactylon californicum Frank Callahan, Frank Lang & John Erwin 2007-6-17 Siskiyou Cottonwood Peak. 1516 Comment
  UC643289  Leptodactylon pungens W. Bridge Cooke 1940-6-27 15218 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  UC165308  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 1066 Comment
  JEPS88040  Lessingia nemaclada S. Markos 1996-7-28 134 Siskiyou On Caribou Rd. at the petersberg Fire Station Cecilville; Klamath National Forest Comment
  SEINET10474780  Lessingia nemaclada Lowell Ahart, Peter Ahart 1983-9-13 Ahart 4412 Siskiyou Near Hwy 96, near the Klamath River, ca. 5 mi w of Interstate 5. Yellow Pine Forest; 1000 m. 1000 Comment
  UCD134102  Lessingia ramulosa James P. Smith; John Sawyer 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC58261  Leucothoe davisiae Doris K. Kildale 1928-8-19 6571 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  CAS-BOT-BC58266  Leucothoe davisiae R. F. Thorne; Frederick W. Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. At margin 2072 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
  HSC86280  Lewisia cotyledon J. O. Sawyer 1983-7-7 4234 Siskiyou On trail from Bunn's Basin to Medicine Mtn. 1707 Comment
  RSA215609  Lewisia cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  CAS-BOT-BC444049  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  HSC68553  Lewisia cotyledon var. howellii Maralyn A. Renner 1980-6-8 800 Siskiyou Slopes E of Hwy. 3 1341 Comment
  SEINET5336465  Lewisia cotyledon var. howellii G. Butler 1910-6-5 1527 Siskiyou Loy Lake. Comment
  HSC4441  Lewisia leeana William J. Ferlatte 1966-8-5 357 Siskiyou Caribou Mtn. 2470 Comment
  RSA120814  Lewisia leeana G. D. Barbe 1955-7-9 157 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  SD211682  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trail crossing of Rt. 17); ca. 8.0 airmiles southwest of Weed. 2194 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  CAS-BOT-BC444423  Lewisia rediviva Elmer I. Applegate 1937-5-13 11092 Siskiyou South of the Flenner Ranch, Lava Beds National Monument Comment
  CAS-BOT-BC283814  Leymus cinereus L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CDA32475  Leymus triticoides Bill Huse 1960-6-2 4518 Siskiyou Tulelake. 0 Comment
  HSC44999  Lilium kelleyanum J. P. Smith, Steve Selva 1970-7-17 4448 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  UC618679  Lilium pardalinum unknown 1938-7-15 11197 Siskiyou Bear Springs Mount Shasta (meadow between two springs resulting in Bear Springs) Comment
  UCSB22058  Lilium pardalinum Keefe, Joseph 1967-7-11 Siskiyou North edge of the town of Mt. Shasta 1085 Comment
  UC1035030  Lilium pardalinum subsp. wigginsii L. Beane and A. M. Vollmer 1954-7-16 1266 Siskiyou w of Highway 99 (Siskiyou Mountains, near Oregon border); Siskiyou Mountains; Siskiyou Mts., Siskiyou Co. Comment
  SEINET8480955  Lilium washingtonianum W. Roderick 1967-7-28 s.n. Siskiyou SW side of Mount Shasta. 1372 Comment
  CAS-BOT-BC133018  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1929-7-20 8615 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC133024  Lilium washingtonianum subsp. purpurascens Marion Ownbey; Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC133104  Lilium washingtonianum subsp. washingtonianum Wm. Bridge Cooke 1938-7-22 11328 Siskiyou Sisson Southern Trail 1524 Comment
  JEPS44109  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  UC163841  Linanthus ciliatus Geo. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  UC726828  Linanthus ciliatus A. A. Heller 1938-7-12 15247 Siskiyou 5 mi n Weed (along U.S. Highway 97) Comment
  POM229948  Lindernia dubia var. dubia Louis C. Wheeler 1934-9-15 3261 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  HSC53278  Linnaea borealis subsp. longiflora Butler 1971-7-29 238 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Junction. 1464 Comment
  UC1408773  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou Salmon Mts, High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, w side of Hancock Lake Hancock Lake; Salmon Mts, Marble Mountain Wilderness Area 1935 Comment
  JEPS25642  Listera caurina Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7281 Siskiyou Poker Flat 1536 Comment
  RSA758589  Listera convallarioides Robert F. Thorne 1969-8-2 63395 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  SEINET12030465  Lithocarpus densiflorus M. Ownbey, Meyer, F. G. 1940-1 2163 Siskiyou 7mi NW of McCloud Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  RSA468241  Lithophragma affine subsp. affine M. B. Dunkle 1944-7-1 9057 Siskiyou Smoky Creek. Comment
  UC166491  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Be<??>k 5 Yreka (Yreka) Comment
  UC858173  Lithophragma glabrum Frank W. Gould 1940-5-15 1243 Siskiyou on road from Mt. Hebron to Montague Bald Mountain 1676 Comment
  CDA25417  Lithophragma glabrum F. D. Horn 1978-4-9 Siskiyou Horn Ranch near Etna. 0 Comment
  SJSU6066  Lithophragma heterophyllum R. W. Trivelpiece 1971-6-1 4 Siskiyou East Fork of Horse Cr between White Mt & White Cloud Mt c. 5 mi from Oregon border 1219 Comment
  HSC60783  Lithophragma heterophyllum Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC317334  Lithospermum californicum L. E. Smith 1913-6-12 362 Siskiyou Sissons Comment
  POM265895  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  SEINET3143862  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC76735  Lomatium dissectum var. multifidum K. T. Stillman 1976-7-15 243 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC211135  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, about 1.5 mi. e. of Scott Mountain road 1737 Comment
  HSC36166  Lomatium macrocarpum J. P. Smith 1974-5-27 7609 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA184690  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UC726881  Lomatium macrocarpum A. A. Heller 1925-6-25 13894 Siskiyou State Hwy. 3 mi. n. Mt. Shasta Comment
  HSC34149  Lomatium macrocarpum J. O. Sawyer 1969-7-1 985 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC4899  Lonicera conjugialis J. O. Sawyer 1968-7-23 621 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC836  Lonicera conjugialis William J. Ferlatte 1967-7-9 693 Siskiyou Kidd Creek Trail. 1982 Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  RSA184706  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble, near top of ridge, Marble Mts. 2043 Comment
  HSC44721  Lonicera hispidula var. vacillans J. O. Sawyer, E. Cope 1977-6-18 2908 Siskiyou Along Clear Creek Trail below Ten Mile Creek. 488 Comment
  SEINET8056679  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou Margin of Shackleford creek. 1219 Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  POM27164  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  JEPS107490  Lotus humistratus Lowell Ahart, John Dittes 2005-6-10 12115 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS55532  Lotus nevadensis var. nevadensis W. L. Jepson Jul 1894 13797 Siskiyou w of Mt. Shasta; Upton Comment
  CDA27282  Lotus nevadensis var. nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2788 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  RSA406245  Lotus oblongifolius Bonnie C. Templeton 1960-6-21 8558 Siskiyou Near the summit of Scott Mt. Comment
  UC864297  Lotus oblongifolius var. oblongifolius A. A. Heller 1915-7-15 12101 Siskiyou Mt. Eddy 1371 Comment
  POM18964  Lotus unifoliolatus E. B. Copeland 1903-7-6 3495 Siskiyou Hornbrook. Comment
  RSA240071  Lotus unifoliolatus Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1215 Siskiyou Abbotts upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  HSC4895  Luetkea pectinata J. O. Sawyer 1968-7-22 551 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UCD113633  Luetkea pectinata Joseph M. DiTomaso 1975-9-10 318 Siskiyou Caribou side of Sawtooth Ridge. 2194 Comment
  RSA604463  Luina hypoleuca L. C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountains Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  POM26756  Lupinus albicaulis var. shastensis Geo. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley. Comment
  UC398668  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou near Shasta Springs (Type Station); near Shasta Springs Comment
  CAS-BOT-BC195965  Lupinus albifrons var. albifrons K. L. Chambers 1967-6-22 2850 Siskiyou About 500 ft above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  SEINET10491224  Lupinus albifrons var. albifrons Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 687 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper and artemisia, purshia and arctostaphylos 1250 Comment
  HSC36811  Lupinus albifrons var. flumineus J. P. Smith 1974-5-27 7623 Siskiyou Along FS Rd. 47N03 1280 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
  HSC34658  Lupinus andersonii Thomas W. Nelson, J. O. Sawyer 1974-10-29 1742 Siskiyou Beside Rd. to the Little Duck Lake trail head. Comment
  JEPS91327  Lupinus angustiflorus Dean W. Taylor 1987-6-7 9024 Siskiyou Paynes Springs, Medicine Lake highland 2011 Comment
  UC562841  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou e side Medicine Lake (Redshale Mountain); , e side of Medicine Lake Comment
  SEINET10484742  Lupinus arbustus subsp. silvicola Charles Piper Smith 1947-5-13 Smith 47269 Siskiyou 2.6 miles e of weed, hwy 97 Comment
  UC156893  Lupinus arbustus var. arbustus Geo. D. Butler 1909-5-14 705 Siskiyou Klamath Hills Comment
  UC1303128  Lupinus argenteus A. A. Heller 1928-6-9 14607 Siskiyou near the creamery at Montague Montague Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  RSA91209  Lupinus argenteus var. argenteus F. W. Peirson 1923-7-19 3609 Siskiyou Lairds Landing. Comment
  HSC472  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  RSA237934  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 b Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  RSA32903  Lupinus latifolius subsp. viridifolius A. A. Heller 1928-6-9 14601 Siskiyou Shasta Retreat Comment
  LA93396  Lupinus latifolius var. latifolius J. M. Tucker; 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area 1462 Comment
  UC1409222  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou slope n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  SEINET194957  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou Border of a meadow east of Deer Mountain on the old U.S. Highway 97, toward Bray. 1402 Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  SEINET7042783 Image available Lupinus lepidus var. confertus A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  HSC2245  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  POM26762  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River. Comment
  UC156987  Lupinus nanus Geo. D. Butler 1909-4-7 662 Siskiyou near Yreka; near Yreka Comment
  POM10714  Lupinus obtusilobus C. F. Baker 1903-8-15 3918 Siskiyou Mt. Shasta Comment
  JEPS65409  Lupinus onustus W. L. Jepson 1902-7-22 2094 a Siskiyou Salmon Summit Trail Comment
  JEPS65424  Lupinus polyphyllus Willis L. Jepson 1894-7 47 t Siskiyou Sisson; Mt. Shasta, Sisson Comment
  CDA27572  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  JEPS67184  Luzula parviflora B. C. Goldsmith 1916-10-10 38 a Siskiyou Widow Creek Mount Shasta, Widow Creek Comment
  UCR37842  Luzula parviflora subsp. parviflora L. P. Janeway 1983-9-11 656 Siskiyou Poker Flat 1524 Comment
  SEINET3155225  Lythrum adsurgens G. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  SEINET11805950  Machaeranthera canescens var. shastensis C. G. Pringle 1882-1 s.n. Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  UC726610  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  CDA30925  Madia elegans subsp. elegans M. Beyers, G. F. Hrusa 2010-8-18 694 Siskiyou Highway 96; Sluice Box Klamath River Access. 410 Comment
  CAS-BOT-BC344544  Madia exigua John Thomas Howell 1952-6-14 28345 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  HSC42907  Madia exigua J. O. Sawyer, Ken Stillman 1976-5-28 2726 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CDA8243  Madia exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2773 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  HSC43861  Madia gracilis Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS25849  Madia gracilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7477 Siskiyou 0.2 mi w Rogers Creek crossing (along Calif. Highway 96, on e side of Klamath River canyon); Klamath River 228 Comment
  JEPS40350  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sissons to Simms; Region of the Upper Sacramento Comment
  SBBG30618  Madia gracilis D. Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk 1524 Comment
  CAS-BOT-BC343437  Madia gracilis Wm. Bridge Cooke 1938-6-17 11030 Siskiyou Mt. Shasta 1371 Comment
  RSA237534  Madia minima Frederick W. Oettinger 1969-7-11 973 Siskiyou Northwest of Hancock Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA264979  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-28 s.n. Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  CAS-BOT-BC512760  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  CAS-BOT-BC514186  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC347358  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  CAS-BOT-BC348080  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UCD107730  Medicago lupulina A. A. Heller 1916-6-20 12416 Siskiyou Metcalf's ranch, northeast of Mt. Eddy. 1188 Comment
  CAS-BOT-BC271215  Melica bulbosa K. T. Stillman 1976-6-15 68 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  UC333647  Melica bulbosa unknown 1889-6-28 Siskiyou Edgewood Comment
  CHSC91602  Melica californica G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2810 Siskiyou Cascade Ranges. Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  HSC31094  Melica californica Frederick W. Oettinger 1968-8-8 451 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Crapo Meadow. 2165 Comment
  UCD87297  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road, near State Line, south about 3 miles. Comment
  CAS-BOT-BC282119  Melica geyeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11796 Siskiyou Scott Mountain Rd S of Callahan Comment
  UC167214  Melica harfordii Geo. D. Butler 1910-7-12 1745 Siskiyou Shackleford Creek 1371 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
  RSA119381  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  RSA403532  Melica subulata M. B. Dunkle 1945-1 9261 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCD88666  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On the border of Trinity County. North side of Scott Mtn. divide near campground. 8 mi. se. of Callahan. 1615 Comment
  UCD88682  Melica subulata H. S. Yates 1936-6-20 5799 Siskiyou Siskiyou Summit. 1371 Comment
  UC1714375  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  UC164048  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  POM83506  Mentzelia laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou Dry land near Yreka. Comment
  UCD117380  Mentzelia montana Dorothy Parker 1967-5-14 s.n. Siskiyou McConahue Gulch, Scott Valley. 1127 Comment
  CAS-BOT-BC428551  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC429156  Micranthes odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower Creek on trail to Blk. Mt. Comment
  UCD102913  Micranthes oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CAS-BOT-BC348422  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  CDA8393  Microseris nutans T. C. Fuller 1962-6-13 8979 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  HSC61899  Microsteris gracilis Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS43775  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou head of spring that runs by Indian campground; Clement's Ranch 762 Comment
  UC618712  Mimulus breweri W. Bridge Cooke 1938-7-15 11240 Siskiyou Wagon Camp Mount Shasta Comment
  JEPS5710  Mimulus breweri Dorothy Parker 1953-8-9 577 Siskiyou Salmon Mountain 1920 Comment
  JEPS25837  Mimulus guttatus Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7451 Siskiyou about 12 mi nw Happy Camp (along trail to Twin Valley, brook above and flanking Poker Flat); Siskiyou Mts. 1524 Comment
  RSA447943  Mimulus guttatus M. B. Dunkle 1945-1 9293 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC27111  Mimulus layneae Carl W. Mize 1972-6-21 62 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  JEPS8211  Mimulus layneae Willis L. Jepson 1894-8-9 71 m Siskiyou betweeen Sims and Sisson; Upper Sacramento Region Comment
  RSA211433  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC1586883  Mimulus moniliformis Juha Pykala and D. H. Norris 1987-6-26 2107 Siskiyou 0-3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Comment
  RSA105434  Mimulus moschatus G. D. Barbe 1955-6-30 55 Siskiyou 0.6 mile northwest of Forest Camp, Etna. Along Johnson Creek. 915 Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC68583  Mimulus nanus var. nanus Maralyn A. Renner 1980-6-24 1064 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC34141  Mimulus nanus var. nanus J. O. Sawyer 1969-7-18 1436 Siskiyou S of Jackson Lake 1951 Comment
  RSA422244  Mimulus nanus var. nanus Louis C. Wheeler 1934-8-6 3052 Siskiyou Rock Gulch off Jaynes Canyon. Siskiyou Mts. Mt. Diablo Mer. 1829 Comment
  UC1258471  Mimulus nasutus John Palmer 1980-8-13 789 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC445180  Mimulus pilosus Dr. E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy 2286 Comment
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Sep 16 2010
  POM5043  Mimulus pilosus E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon. Comment
  RSA82884  Mimulus primuloides J. M. Tucker 1950-7-24 1950 Siskiyou Beside Cold Creek at the Militry Road crossing about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  UC535784  Mimulus primuloides Elmer I. Applegate 1923-8-17 3833 Siskiyou w end Medicine Lake Comment
  UC886325  Mimulus primuloides subsp. linearifolius A. A. Heller 1915-8-26 12224 Siskiyou near head Wagon Creek Canyon; Mt. Eddy 2590 Comment
  SBBG40476  Mimulus tilingii W. J. Dress 1951-8-14 3724 Siskiyou SW side of Mt Shasta, above Horse Camp 2529 Comment
  HSC434  Mimulus tilingii William J. Ferlatte 1967-7-26 756 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  CAS-BOT-BC388884  Minuartia douglasii Louis C. Wheeler 1934-6-4 2640 Siskiyou Klamath National Forest. Nigger Gulch 1066 Comment
  CHSC31054  Minuartia nuttallii subsp. gregaria M. S. Taylor 1980-6-22 3170 Siskiyou On e side of 40N08, ca. 0.3 mi n of its jct with Hwy 3 at Scott Mt Summit. 1615 Comment
  RSA120683  Minuartia nuttallii subsp. gregaria S. S. Tillett 1956-7-9 633 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  POM258762  Minuartia nuttallii subsp. gregaria C. L. Hitchcock, J. S. Martin 1939-7-7 5279 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  LA45327  Minuartia nuttallii var. gregaria Louis Wheeler; 1934-6-29 2828 Siskiyou Sskiyou Mountains, Sterling Mountain, Soda Creek 1066 Comment
  CAS-BOT-BC540350  Minuartia rubella Dana York 2012-7-20 3127 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  HSC92009  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1979-5-26 4723 Siskiyou Along SR 3 3 mi. N of Scott Mtn. Pass at jct. wiith 40N03 Comment
  JEPS61325  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  UC1045284  Mirabilis greenei W. Bridge Cooke 1940-6-20 15155 Siskiyou Klamath River Gorge along Pacific Hwy Klamath River Gorge Comment
  CAS-BOT-BC229605  Mirabilis greenei Elmer I. Applegate 1898-5-15 5142 Siskiyou Along Klamath River between Shovel Creek and Fall Creek 853 Comment
  RSA468283  Mitella Louis C. Wheeler 1934-6-19 2737 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  CAS-BOT-BC433022  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC20240  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  CAS-BOT-BC433074  Mitella trifida Doris K. Kildale 1928-7-2 5413 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  UC1408865  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Pierce's Draw Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (head, w Siskiyou Co.) 1828 Comment
  HSC22245  Monardella odoratissima J. O. Sawyer 1969-7-24 1470 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  JEPS105109  Monardella odoratissima subsp. glauca Dean W. Taylor 1993-7-30 13992 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  RSA12493  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  RSA50198  Monardella odoratissima subsp. glauca E. K. Balls 1949-7-8 13906 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 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
  RSA401653B  Monardella odoratissima subsp. pallida Bonnie C. Templeton 1960-6-21 8590 Siskiyou Near summit of Scott Mt. Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220232  Monardella sheltonii Clare B. Hardham 1965-8-1 13081 Siskiyou Near Happy Camp on Sulphur Springs Road Comment
  RSA0022798  Monardella villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch. 671 Comment
  SEINET6652812 Image available Monotropa hypopitys D. V. Hemphill 1974-1 Siskiyou Marble Mountain Wilderness Area; ca. 1/4 mi north of Jawbone Camp 1554 Comment
  JEPS94256  Montia dichotoma Vernon H. Oswald and Lowell Ahart 1998-6-11 9220 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
  CAS-BOT-BC445111  Montia linearis James P. Smith 1974-5-25 7472 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  NY342246  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UC375333  Montia parvifolia Geo. D. Butler 1910-6-4 1488 Siskiyou Shackleford Creek 1066 Comment
  CAS-BOT-BC275336  Muhlenbergia jonesii Ralph K. Gierisch 1968-8-6 3365 Siskiyou Elk Flat, Shasta - Trinity Forest 1310 Comment
  CHSC71288  Myosotis discolor Vernon H. Oswald; Lowell Ahart 1998-6-11 9211 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  JEPS117637  Myriophyllum sibiricum Lowell Ahart, John Dittes 2010-7-30 16941 Siskiyou About 30 yards northwest of the East Louie Road Bridge, along the west edge of the Shasta River, 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
  SBBG243  Myriopteris gracillima H. and M. Dearing 1939-7-1 3790 Siskiyou Salmon Mtn 1828 Comment
  JEPS44090  Nama densa W. B. and V. G. Cooke 1965-7-12 35171 Siskiyou along the Bolam Road below railroad crossing (Mt. Shasta); , along Bolam Road 1371 Comment
  CHSC62608  Narthecium californicum L. P. Janeway 1993-8-30 4564 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC563  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC60827  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA238005  Navarretia capillaris Frederick W. Oettinger, R. F. Thorne 1969-8-8 1306 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1409296  Navarretia capillaris Frederick W. Oettinger and R. F. Thorne 1969-8-8 1306 Siskiyou drying meadow near English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, nr English Lak 1828 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  UC1191629  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake Comment
  UC23429  Navarretia leptalea subsp. leptalea F. W. Morse July, 1886 Siskiyou at Shasta Comment
  JEPS87826  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1994-8-1 6445 Siskiyou near Weed (just s of Stewart Springs Road, Old Hwy 99); Old Hwy 99 923 Comment
  CAS-BOT-BC60584  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC69310  Nothochelone nemorosa Maralyn A. Renner 1980-7-24 1977 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC595100  Nothochelone nemorosa David D. Keck 1938-8-6 4821 Siskiyou Poker Flat, on n slope just se of summit, Siskiyou Mountains Poker Flat; Siskiyou Mountains, Poker Flat 1402 Comment
  UC922596  Nothochelone nemorosa Annie M. Alexander and Louise Kellogg 1948-9-8 5603 Siskiyou top of grade between Sawyers Bar and Etna (Siskiyou Mountains); Siskiyou Mountains 1737 Comment
  JEPS83887  Nuphar lutea subsp. polysepala Wayne Roderick 1976-7-1 Siskiyou vicinity of Cooke & Green Pass (Siskiyou Mountains, Lily Pad Lake); Siskiyou Mountains, Lily Pad Lake 1706 Comment
  UC630393  Nuphar lutea subsp. polysepala Annetta Carter 1939-8-20 1462 Siskiyou 12 mi sw of Etna (Salmon Mountains, nw end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  RSA0013796  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou English Lake near inlet. Salmon Mountains. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1753 Comment
  HSC29349  Nuphar polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou Marble Mtns. Wilderness Area, E side of English Lake 1753 Comment
  UC1733725  Olsynium douglasii var. douglasii Kay H. Beach, Frank Gould 1940-5-15 628 Siskiyou Bull Meadows Comment
  CAS-BOT-BC349959  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  RSA139036  Onopordum tauricum T. C. Fuller 1960-6-30 4648 Siskiyou F. Voelker property, Wedge Meiss Lake Basin just south Sam's Neck, ca. 15 miles southwest Dorris Comment
  HSC96420  Oreostemma alpigenum Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC355599  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain summit, at Trinity County line 1633 Comment
  HSC68168  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-18 4499 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS89441  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou 0.5 m below Gumboot Lake (North Coast Ranges, Gumboot Creek, watershed South Fork Sacramento River); North Coast Ranges, Gumboot Creek 1844 Comment
  HSC62473  Orobanche fasciculata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  UCD77890  Orobanche fasciculata Robert E. Preston 2001-7-21 1740 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  RSA0059242  Orobanche uniflora subsp. occidentalis Frederick W. Oettinger 1969-7-13 994 Siskiyou Marble Mountain Wilderness Area. M. of Upper English Lake. Comment
  CAS-BOT-BC458079  Orthilia secunda W. R. Dudley 1901-8-20 s.n. Siskiyou East Fork of Salmon River, above mouth of Trail Creeki Comment
  CAS-BOT-BC458091  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks 1645 Comment
  CAS-BOT-BC458098  Orthilia secunda H. A. Thomas; J. H. Thomas 1954-7-21 4421 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville. West side of Rush Creek 1219 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
  HSC34302  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  JEPS9404  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1908-8-4 53 Siskiyou head of Shackleford Creek 1828 Comment
  HSC20900  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou Near summit of Scott Mtn. 1583 Comment
  JEPS57532  Orthocarpus imbricatus Marge R. Kempf 1965-7-14 Siskiyou 4 mi w Dead Horse Summit; w of Dead Horse Summit 1219 Comment
  HSC36605  Oxalis trilliifolia Brent Whiteley 1975-6-29 108 Siskiyou 976 Comment
  HSC76953  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC313  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mountain summit 2470 Comment
  HSC6107  Packera cana R. C. Wunner 1965-7-9 376 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  UC128741  Packera streptanthifolia W. T. Mooney June 1902 Siskiyou Yreka Comment
  RSA211097  Parnassia californica William J. Ferlatte 1966-8-19 434 Siskiyou Kidd Creek Trail. 1829 Comment
  RSA211096  Parnassia cirrata var. intermedia William J. Ferlatte 1967-8-20 1060 Siskiyou A flora of the Trinity Alps: Caribou Basin, Sawtooth Ridge; Steep north facing slope. 2043 Comment
  CAS-BOT-BC175510  Parnassia fimbriata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC175617  Parnassia palustris Doris K. Kildale 1929-8-24 9045 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC175605  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  CAS-BOT-BC202850  Paxistima myrsinites L. B. Kildale 1930-6-1 9867 Siskiyou Salmon River at Forks of Salmon Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  UC1608338  Paxistima myrsinites J. Kierstead 1990-5-8 90 -61 Siskiyou McCloud Ranger District, Lower Falls of McCloud River Shasta-Trinity Nat'l Forests, McCloud Ranger District 975 Comment
  UC169888  Paxistima myrsinites Harley P. Chandler June, 1901 1632 Siskiyou ridges & meadows near Marble Mt. (Klamath River to Marble Mt.); North Coast Ranges 2133 Comment
  SEINET6646339  Paxistima myrsinites G. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  SJSU3571  Paxistima myrsinites G. R. Ostrander 1965-7-13 75 Siskiyou by McCloud R 5 mi E of Mc Cloud, 0.5 mi S of Sate Rte 89 1219 Comment
  UC796536  Pectocarya penicillata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11785 Siskiyou outskirts Etna Comment
  POM72141  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  SJSU6539  Pedicularis contorta R. W. Trivelpiece 1973-6-28 156 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CHSC1838  Pedicularis densiflora M. Yoder 1941-6-28 Siskiyou Castle Lake. 1920 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
  UC1483483  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley; Klamath National Forest 1524 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  SEINET6429241  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns; West Fork Cottonwood Creek 1238 Comment
  UC1013123  Pellaea brachyptera A. R. Kruckeberg 1951-9-3 2002 Siskiyou just w of town of Mt Shasta (across river, dirt rd above Joe Spini Ranch, between Wagon Creek and Deer Creek Bridges) Comment
  CAS-BOT-BC67687  Pellaea brachyptera Geo. D. Butler 1910-8-1 1820 Siskiyou Humbug Mt. 1371 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  JEPS26526  Penstemon anguineus Lauramay T. Dempster 1961-7-2 1865 Siskiyou sw Etna (just ne of Salmon Summit); ne of Salmon Summit, sw of Etna 1828 Comment
  UC1190133  Penstemon anguineus Ira L. Wiggins 1955-7-24 13490 Siskiyou ridge betw upper reaches of China and Blind Horse Creek; upper reaches of China and Blind Horse Creeks 1493 Comment
  UC164351  Penstemon anguineus Geo. D. Butler 1908-7-20 935 Siskiyou Highland Mine Comment
  UCR37818  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mountain Wilderness Area Comment
  UC180115  Penstemon cinereus H. M. Hall and E. B. Babcock June, 1903 4118 Siskiyou near Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  UC727353  Penstemon cinereus Elmer I. Applegate 1931-6-24 6804 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava beds and Medicine Lake Comment
  UC727344  Penstemon cinicola Elmer I. Applegate 1923-8-18 3854 Siskiyou w base of Redshale Mountain , Medicine Lake (Medicine Lake) 2133 Comment
  HSC41815  Penstemon davidsonii Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC265385  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain, Siskiyou Mountains 2164 Comment
  UC696751  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou crest of Red Shale Mountain [Red Shale Butte] Medicine Lake Region 2438 Comment
  CDA17144  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  HSC19127  Penstemon deustus J. O. Sawyer 1969-7-9 1262 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC69125  Penstemon deustus Maralyn A. Renner 1980-8-7 2383 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC29244  Penstemon deustus Frederick W. Oettinger 1968-8-15 524 Siskiyou Marble Mtn. Wilderness Area, E of Hancock Lake 1936 Comment
  RSA238831  Penstemon deustus Frederick W. Oettinger 1967-8-3 238 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1941 Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  NY605088  Penstemon deustus var. suffrutescens R. C. F. Bacigalupi 1956-6-9 5695 Siskiyou Along U.S. Highway No. 99, southern limits of Shasta Valley, 1.5 miles northwest of Weed. 975.4 Comment
  UC1561057  Penstemon gracilentus Dean Wm. Taylor with Glenn L. Clifton, Rexford Palmer 1987-6-7 9023 Siskiyou near Yellowjacket Ice Cave (Medicine Lake Highland); Upper Modoc Plateau, Medicine Lake highland, nr Yellowjacket 1798 Comment
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Jun 8 2008
  RSA17740  Penstemon humilis var. humilis Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  SEINET11262163  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4511 Siskiyou Cascade Range, Mt Shasta. On lava flow between Mt Shasta & Whaleback, along Andesite - Military Pass Rd ca 1 mi SE of jct US 97, ca 14.4 mi NE of jct US 97 & I-5 Bus. Loop in Weed.; 0 1433 Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  HSC267  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-21 1068 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  CAS-BOT-BC239332  Penstemon newberryi var. berryi L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  NY627427  Penstemon newberryi var. berryi H. P. Chandler 06 1901 1599 Siskiyou Near Marble Mountain 2133.6 Comment
  UC1190115  Penstemon newberryi var. berryi Ira L. Wiggins 1955-7-27 13537 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  NY627386  Penstemon newberryi var. newberryi C. B. Wolf 1937-8-8 9082 Siskiyou Southwest side of Mt. Shasta, 1/2 mile south of trail to Horse Camp. 1524.0 Comment
  HSC99984  Penstemon roezlii Thomas W. Nelson, & Sydney Carothers 2005-7-17 9383 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  RSA233702  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38971 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  JEPS23799  Penstemon speciosus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7208 Siskiyou at broadening base of Mt. Shasta 1676 Comment
  UC164359  Penstemon speciosus Geo. D. Butler 1909-6-20 430 Siskiyou near Yreka; near Yreka Comment
  POM214029  Penstemon speciosus Isabelle C. Kimber 1934-6-9 1 Siskiyou Mt Shasta. 1220 Comment
  SEINET10950522  Penstemon speciosus A. Arthur Heller 1916-6-23 Heller 12424 Siskiyou Open places in the yellow pine-belt in coarse sandy soil near Black Butte north of Sisson. 1128 Comment
  UC1312906  Perideridia bolanderi subsp. bolanderi L. Constance and T. I. Chuang 1967-7-22 3801 Siskiyou 4 mi s Callahan (n slope of mt.); Scott Mountain 1371 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
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Jun 12 2012
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA14390  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC65426  Perideridia leptocarpa D. Reed 1980-8-19 306 Siskiyou Below switchback in FS 46N64 Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  CAS-BOT-BC423356  Peritoma platycarpa L. E. Smith 1912-7-1 s.n. Siskiyou Montague Comment
  UCD127950  Petroselinum crispum Verne Grant; Irving Schneider 1947-8-25 8279 Siskiyou West side of Tule Lake. Comment
  HSC97703  Phacelia cookei Thomas W. Nelson, Jane Nelson 2006-7-1 9450 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC1442839  Phacelia cookei W. B. and V. G. Cooke 1968-7-1 39233 Siskiyou Andesite Rd near Jct. with U.S. 97 (n base of mt.); Mt. Shasta 1524 Comment
  JEPS2782 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  JEPS55965  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  SEINET5537080  Phacelia corymbosa G. D. Butler 1910-5-4 4280 Siskiyou Dry hill near Yreka Comment
  HSC65581  Phacelia hastata R. White 1977-7-1 93 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  SD113334  Phacelia hastata Darley F. Howe 1979-6-26 5115 Siskiyou Military pass road, 3 mi. SE of #97 Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  SEINET5763830  Phacelia heterophylla G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  JEPS2086  Phacelia heterophylla subsp. virgata Geo. D. Butler 1928-6-28 409 Siskiyou near Yreka; Butler's Ranch Comment
  RSA582232  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  JEPS82726  Phacelia humilis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2133 Comment
  HSC60793  Phacelia leonis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS87068  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou Gumboot Lake North Coast Ranges, Seven Lakes Basin 7 1/2' quad, South For (headwaters of river) 1950 Comment
  JEPS105461  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  HSC2398  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  JEPS84331  Phacelia mutabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6505 Siskiyou e Condrey Mt. (slopes of hole); Alex Hole 1880 Comment
  RSA12585  Phacelia mutabilis Carl B. Wolf 1934-7-6 6001 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  UC794430  Phacelia mutabilis W. Bridge Cooke 1949-8-26 25655 Siskiyou old logging rd above Bolam Station; Mount Shasta Comment
  UC73700  Phacelia procera Milo S. Baker 1899-8-2 Siskiyou near Bartle's; McCloud River Comment
  CAS-BOT-BC159068  Phacelia ramosissima var. eremophila Wm. Bridge Cooke 1940-6-20 15135 Siskiyou Near a spring along the Pacific Highway in Gorge at confluence of Shasta and Klamath Rivers 609 Comment
  CAS-BOT-BC77430  Philadelphus lewisii H. A. Thomas; J. H. Thomas 1954-7-22 4443 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville; between Rush and Big Bend Creeks, 975 Comment
  RSA0097442  Philadelphus lewisii Geo. D. Butler 1910-6-12 s.n. Siskiyou Yreka Creek. Comment
  SEINET10657448  Phleum alpinum A. Arthur Heller 1922-7-15 Heller 13710 Siskiyou Damp meadow at Medicine Lake in the Canadian zone 2134 Comment
  CAS-BOT-BC250948  Phleum pratense William A. Dayton 1912-7-28 165 Siskiyou Shasta National Forest, Ash Creek Sink 1219 Comment
  HSC34296  Phleum pratense J. P. Smith, J. O. Sawyer 1973-8-14 7290 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  HSC61881  Phleum pratense Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC722304  Phlox C. L. Hitchcock and J. S. Martin 1939-7-7 5274 Siskiyou 0.5 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake 1463 Comment
  HSC29270  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Marble Mtn. Wilderness Area, 1/8 mi. NE of Tobacco Lake 1890 Comment
  RSA171513  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  RSA238798  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Ca. 1/8 mile northeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC52514  Phlox austromontana Geo. B. Grant Sep 1902 5099 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CHSC96001  Phlox diffusa L. P. Janeway 2006-7-4 8794 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC45810  Phlox diffusa J. P. Smith, J. O. Sawyer 1972-5-27 5350 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC76983  Phlox diffusa K. T. Stillman 1976-6-25 63 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  JEPS25568  Phlox diffusa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7193 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  SBBG30601  Phlox diffusa D. Myrick 1968-6-27 2048 Siskiyou Yellow Rose Mine above Big Flat, head of Coffee Crk; Trinity Alps 1828 Comment
  UC1540012  Phlox douglasii subsp. rigida M. Mitchell 1931-5-8 1 Siskiyou Lava Beds National Monument 1432 Comment
  JEPS25628  Phlox gracilis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7265 Siskiyou Poker Flat 1536 Comment
  JEPS71115  Phlox gracilis J. W. Kisling Mar 1910 Siskiyou Edgewood Comment
  CDA40293  Phlox gracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2604 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC232822  Phlox hirsuta Diane Elam; Ken Fuller 1900-7-19 s.n. Siskiyou Soap Creek Ridge just upslope from Highway 3, SW of Yreka Comment
  UC643291  Phlox speciosa unknown 1940-6-6 15049 Siskiyou along Castle Lake Road Comment
  HSC43832  Phlox speciosa subsp. occidentalis Maralyn O'Meara 1974-5-27 486 Siskiyou Along FS Rd. 47N03 1280 Comment
  POM209395  Phlox speciosa subsp. occidentalis L. C. Wheeler 1935-4-17 3428 Siskiyou Soap Creek, Siskiyou Mountains 1067 Comment
  RSA47600  Phlox speciosa subsp. occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-12 11848 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  JEPS95661  Phoradendron densum Vernon H. Oswald and L. Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate. Parasitic on juniper (Juniperus occidentalis). 1554 Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC56491  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC56496  Phyllodoce empetriformis Douglas Barbe 1955-7-26 286 Siskiyou on the north slope of Scott Mtn. 1981 Comment
  JEPS66653  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou at extreme head of West Fork Knownothing Creek (on ridge between Salmon and New Rivers, Rock Lake); Rock Lake, West Fork Knownothing Creek 1889 Comment
  JEPS84213  Phyllodoce empetriformis L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6418 Siskiyou 5 mi n of the town of Seiad Valley (e slope of Kangaroo Mountain, at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  RSA215631  Phyllodoce empetriformis Gilbert Muth 1969-8-10 1324 Siskiyou Ridge west of Boulder Peak. 2287 Comment
  UC142759  Phyllodoce empetriformis J. W. Congdon 1900-8-13 Siskiyou Mount Shasta Comment
  UC922458  Phyllodoce empetriformis Annie M. Alexander and Louise Kellogg 1949-7-28 5876 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  UCD117723  Phyllodoce empetriformis Dean William Taylor 1972-7-3 1614 Siskiyou Near Little Duck Lake. 1981 Comment
  CAS-BOT-BC60768  Physaria occidentalis John Thomas Howell 1939-8-4 15053 Siskiyou Marble Rim. 1889 Comment
  CAS-BOT-BC140525  Physocarpus Alice Eastwood 1912-7-21 1273 Siskiyou Sisson Comment
  CAS-BOT-BC140597  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Klamath National Forest, Beaver Creek 975 Comment
  OBI10127  Physocarpus capitatus H. E. McMinn 1931-6-27 2512 Siskiyou Shasta City Comment
  RSA105421  Physocarpus capitatus G. D. Barbe 1955-6-29 45 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  CAS-BOT-BC78161  Picea breweriana W. R. Dudley 1901-8-18 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC78166  Picea breweriana W. R. Dudley 1899-7-5 s.n. Siskiyou North slope of Siskiyou near Bartlett trail Comment
  JEPS46723  Picea breweriana W. L. Jepson 1907-7-10 2869 Siskiyou 6 mi w Elbow Camp; Klamath Range Comment
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Nov 12 2011
  CDA494  Picea breweriana Don Shaw, T. C. Fuller 1974-9-24 20035 Siskiyou Siskiyou Mountains, E of White Mt.; by Pacific Crest Trail. Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  SBBG56399  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Crk, a tributary of the Scott River 1432 Comment
  CAS-BOT-BC78330  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River, 3/10 mi. below Walker Creek 426 Comment
  JEPS47894  Pinus attenuata W. L. Jepson 1902-7-22 2099 Siskiyou Devil's Backbone 1828 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC401397  Pinus lambertiana Geo. D. Butler 1908-7-12 517 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC78949  Pinus monticola Doris K. Kildale 1928-8-19 6537 Siskiyou summit of Divide at Hancock Lake, trail to Marble Mt. 2194 Comment
  CAS-BOT-BC78950  Pinus monticola Doris K. Kildale 1929-8-24 8840 Siskiyou Preston Peak 2225 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  UC401412  Pinus ponderosa Geo. D. Butler 1910-4-24 1237 Siskiyou Quartz Valley Comment
  JEPS64435  Piperia elongata Willis L. Jepson 1894-8-9 21279 Siskiyou Shasta Springs Upper Sacramento Region Comment
  HSC40752  Pityopus californicus Ed Cope 1977-7-16 130 Siskiyou Marble Mountain Wilderness Area. 2 1/2 mi. from beginning (at Lick Creek) on Johnson's Hunting Grounds Trail. Bulk Collection 114 1707 Comment
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC76630  Plagiobothrys hispidulus K. T. Stillman 1976-6-26 119 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  HSC63990  Plagiobothrys tenellus J. P. Smith 1973-5-5 6562 Siskiyou Scott Bar along the Scott River Comment
  POM368969  Plagiobothrys tenellus M. O'Mera 1974-5-25 422 Siskiyou On road 8 ca. 4.7 miles W of junction with Hwy 3. 1159 Comment
  RSA47773  Plagiobothrys tenellus Roxana S. Ferris, Laura Lorraine 11891 Siskiyou 1 mile below summit of Gazelle Mt grade, W side Gazelle-Callahan Road. 1220 Comment
  CDA6624  Plantago lanceolata G. D. Barbe 1973-8-14 1706 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  HSC67861  Plantago lanceolata J. P. Smith, Steve Selva 1970-6-16 4031 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  HSC69399  Platanthera sparsiflora Maralyn A. Renner 1980-8-8 2443 Siskiyou Rattlesnake Meadow 1646 Comment
  JEPS80566  Platanthera stricta Gilbert Muth 1965-10-4 169 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC164461  Plectritis macrocera Geo. D. Butler 1910-3-24 1139 Siskiyou Shasta River hills Comment
  CAS-BOT-BC261037  Poa Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  RSA239045  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD90284  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3443 Siskiyou Near Happy Camp. Bank of Klamath River near habitations. Comment
  UCD90381  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River. 304 Comment
  UC39614 Image available Poa bolanderi Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges; Shackleford Canyon, near Marble Mt., Siskiyou Co. 1828 Comment
  SBBG30565  Poa bulbosa D. Myrick 1968-6-25 2009 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  SEINET7096775 Image available Poa bulbosa A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  HSC76674  Poa glauca subsp. rupicola K. T. Stillman 1976-7-21 281 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCD91090  Poa howellii A. A. Beetle 1942-5-31 3420 Siskiyou north of Willow Creek, 5 miles west of Gazelle. Comment
  CAS-BOT-BC256014  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  CAS-BOT-BC256021  Poa pratensis John Thomas Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC26622  Poa pratensis J. P. Smith, Steve Selva 1970-6-15 3953 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  LA12604  Poa pratensis Jason Swallen; 1939-8-8 13847 Siskiyou Mount Shasta, near the spring over flows at Horse Camp 2438 Comment
  RSA238407  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC255232  Poa pratensis subsp. pratensis L. P. Janeway 1983-8-26 592 Siskiyou Poker Flat, Siskiyou Mountains 1524 Comment
  JEPS81691  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  CAS-BOT-BC247533  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  RSA184779  Poa secunda Gilbert Muth 1966-7-31 477 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  HSC10245  Poa secunda subsp. secunda R. C. Wunner 1965-6-22 247 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  HSC30603  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2134 Comment
  HSC39635  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-6-30 5644 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  HSC77119  Poa secunda subsp. secunda K. T. Stillman 1976-6-25 98 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UC1025012  Poa secunda subsp. secunda Leo Whitney 1935-7-15 3485 Siskiyou 2 mi se Medicine Lake (Bullseye Lake) Comment
  UCD77925  Poa secunda subsp. secunda Robert E. Preston 2002-6-20 1828 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  SEINET7873919  Poa wheeleri G. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1524 Comment
  UCD91758  Poa wheeleri Leo Whitney 1935-7-15 3473 Siskiyou near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  SBBG6065  Polemonium californicum H. and M. Dearing 1939-7-2 3805 Siskiyou Salmon Mtn 1676 Comment
  UC1190249  Polemonium californicum Ira L. Wiggins 1955-7-29 13573 Siskiyou n-facing slope between Caribou Lake and Pass to Thompson Creek; btw Caribou Lake and Pass to Thompson Creek 1956 Comment
  CAS-BOT-BC231355  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC170337  Polygala cornuta var. cornuta G. B. Grant 1902-9-6 1024 Siskiyou Sisson, N. Cal. 1127 Comment
  CAS-BOT-BC414314  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Old mining dump near Oro Fino Comment
  UC164038  Polygonum bistortoides Geo. D. Butler 1908-8-4 183 Siskiyou Shackleford Creek; head Comment
  JEPS50539  Polygonum davisiae W. L. Jepson 1907-7-5 2843 Siskiyou Marble Mt. Comment
  UCR40031  Polygonum davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC414589  Polygonum douglasii John Thomas Howell 1939-8-6 15094 A Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC414605  Polygonum douglasii Annetta Carter 1934-8-15 714 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek Watershed, Klamath National Forest 1615 Comment
  JEPS51267  Polygonum douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mount Muir Region of the Upper Sacramento (= Black Butte near Sisson) Comment
  HSC22416  Polygonum douglasii J. O. Sawyer 1969-7-25 1529 Siskiyou Southeast facing slope above Sugar Lake 1845 Comment
  UC164243  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-7 1787 Siskiyou Shackleford Creek 914 Comment
  UC375151  Polygonum douglasii subsp. douglasii Geo. D. Butler 1908-8-8 186 Siskiyou West Fork of Woolly Creek; head Comment
  JEPS75025  Polygonum douglasii subsp. spergulariiforme L. R. Heckard and R. Bacigalupi 1975-10-9 4209 Siskiyou along Dunsmuir Avenue about 1 mi s Dunsmuir (just off Interstate 5, bottom of road bank) Comment
  RSA237762  Polygonum kelloggii Frederick W. Oettinger 1967-8-7 1264 Siskiyou English Lake Meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC850205  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  RSA237800  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Open site NE side of creek bed, Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 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
  HSC30502  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of falls, Hancock Lake 1890 Comment
  CAS-BOT-BC420952  Polygonum sawatchense subsp. sawatchense Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  CAS-BOT-BC421086  Polygonum spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  SEINET4335277  Polygonum spergulariiforme G. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CHSC36  Polystichum imbricans V. Holt 1932-8-17 Siskiyou Spring Hill. 1219 Comment
  HSC69294  Polystichum imbricans Maralyn A. Renner 1980-7-24 1999 Siskiyou Lily Pad Lake 1768 Comment
  RSA237505  Polystichum imbricans Frederick W. Oettinger 1616 a Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area., On a west facing granitic rock slope just below that section of the English Peak - Hancock Lake trail that is due NNE of Ton's Lake. 2119 Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  HSC77280  Polystichum imbricans subsp. imbricans L. P. Janeway 1983-8-28 625 Siskiyou Along USFS 18N33 1 mi. from Grayback Rd. 1037 Comment
  HSC79134  Polystichum kruckebergii C. J. Thomas 1983-10-1 83 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  UCD78118  Polystichum kruckebergii Robert E. Preston 2001-6-23 1590 b Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  CAS-BOT-BC72385  Polystichum lemmonii Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  HSC27006  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1972-9-12 5770 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  UC150386  Polystichum lemmonii Dr. E. B. Copeland 1903-8-18 3814 Siskiyou Mt. Eddy 1676 Comment
  UCD78120  Polystichum lemmonii Robert E. Preston 2001-6-30 1646 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1828 Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  HSC79144  Polystichum lemmonii C. J. Thomas 1983-10-1 81 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  HSC79183  Polystichum lemmonii C. J. Thomas 1983-10-1 82 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM114187  Polystichum lemmonii Geo D. Butler 1908-8-5 238 Siskiyou West Fork of Wooley Creek. 1677 Comment
  CAS-BOT-BC72408  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  HSC19182  Polystichum lonchitis J. O. Sawyer 1968-7-2 352 Siskiyou Upper Drainage of Joe Creek 1677 Comment
  POM210880  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  UC1313058  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek; Marble Mt. Wilderness Area 1950 Comment
  UC164391  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  RSA215573  Potamogeton alpinus Al Hobart 1970-8-25 s.n. Siskiyou NW Siskiyou 1524 Comment
  UC1265461  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou 0.7 mi ne of Abbotts Lake (in Salamander Lake, High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1790 Comment
  UC1600947  Potamogeton foliosus var. foliosus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  SEINET3893289  Potamogeton richardsonii K. Morris, Conrad; Dunn 1973-6-2 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263.; 0 Comment
  CAS-BOT-BC143182  Potentilla breweri David D. Keck 1938-8-8 4870 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  SD231135  Potentilla breweri James R. Shevock, B. Williams. 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains. 2012 Comment
  UC164067  Potentilla breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake Comment
  CAS-BOT-BC142033  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  RSA211490  Potentilla glandulosa subsp. ashlandica William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin. 1982 Comment
  RSA237859  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-16 531 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  UC726471  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's Comment
  RSA119332  Potentilla gracilis var. fastigiata S. S. Tillett 1956-7-11 684 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  CAS-BOT-BC540554  Potentilla gracilis var. fastigiata Geo B. Grant 1902-9-6 5086 Siskiyou Sisson Comment
  UC1037371  Potentilla gracilis var. fastigiata Douglas Barbe 1955-7-7 140 Siskiyou s Forest Camp; Klamath Mountains, Etna 883 Comment
  JEPS47217  Potentilla gracilis var. gracilis Geo. D. Butler 1909-6-13 923 Siskiyou Oro Fino Comment
  CHSC71501  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1998-7-21 9344 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  RSA0021433  Prunella vulgaris Edwin Kline 1920-6-24 s.n. Siskiyou Yreka Creek Comment
  CAS-BOT-BC158201  Prunus emarginata A. A. Heller 1922-7-14 13683 Siskiyou At the foot of Pumice Stone Mountain Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA593947  Prunus emarginata Louis C. Wheeler 1963-9-3 8335 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  RSA453224  Prunus emarginata Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road 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-BC151250  Prunus virginiana var. demissa Geo. D. Butler 1910-4-30 1248 Siskiyou Yreka Creek Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  OBI55445  Pseudognaphalium thermale David J. Keil 1992-7-20 23503 Siskiyou Klamath Natl Forest, SW of Fort Jones. along Forest rd 46N64, 2.8 mi W of Scott river Rd Comment
  POM101810  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC80175  Pseudotsuga menziesii Doris K. Kildale 1929-3-12 7812 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  RSA572073  Pseudotsuga menziesii L. C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off west fork of Beaver Creek. 1372 Comment
  JEPS89383  Psilocarphus brevissimus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9863 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  UC1368676  Pteryxia terebinthina var. californica W. Bridge Cooke and V. G. Cooke 1968-7-1 39232 Siskiyou Along Andesite Road, North Side of Mt Shasta, Siskiyou County 1524 Comment
  UC1540180  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  CHSC8611  Purshia tridentata G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles e of Fort Jones. 1371 Comment
  UCD22432  Purshia tridentata Brian Vanden Heuvel 2003-4-10 194 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  HSC67754  Purshia tridentata var. tridentata J. O. Sawyer, J. Cole 1980-7-21 3862 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  RSA449670  Purshia tridentata var. tridentata Bonnie C. Templeton 1964-6-9 10065 Siskiyou Slope of Mt. Shasta Comment
  POM62291  Pycnanthemum californicum E. B. Copeland 1903-8-12 3837 Siskiyou Sisson. Comment
Read comments
Jan 23 2011
  CAS-BOT-BC460858  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  RSA0080476  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Before Hen Creek along main North Fork trail between 5 miles Stockgate and Abbott's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  CAS-BOT-BC466154  Pyrola picta Miss E. Cannon 1893-8-1 s.n. Siskiyou Mt. Shasta Comment
  JEPS24007  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC68601  Quercus chrysolepis A. A. Heller 1921-6-25 13555 Siskiyou about the base of Black Butte near Mt. Shasta Comment
  CAS-BOT-BC68606  Quercus chrysolepis Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain Comment
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS37854  Quercus chrysolepis Geo. D. Butler 1908-12-1 548 Siskiyou Kidder Creek Comment
  HSC68205  Quercus garryana Steve Selva, J. P. Smith 1970-7-16 4338 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC220658  Quercus garryana H. E. Brown Aug 1 1897-Aug 15 1897 Siskiyou s side Mt. Shasta 1524 Comment
  SEINET10477171  Quercus garryana K. Faber, S. LaChance; M. Rekart 1984-5-26 Faber 53 Siskiyou Indian scotty campground, t44n,r11w,sec.26. Disturbed area, 15-20% slopr, Northern oak woodland with quercus 701 Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  JEPS37847  Quercus garryana var. breweri W. L. Jepson 1907-7-5 2845 Siskiyou Marble Mt. Comment
  RSA639547  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6941 Siskiyou [No location information on label.] Comment
  UCD46172  Quercus garryana var. breweri J. M. Tucker 1948-8-3 1780 B Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  SEINET3134590  Quercus garryana var. breweri G. L. Stebbins 1972-7-3 sn Siskiyou N of Seiad Valley. 0.5 mi. E of Cook and Green Pass 1494 Comment
  UCD46096  Quercus garryana var. garryana J. M. Tucker 1947-5-17 1553 Siskiyou 7 miles southwest of Gazelle, Siskiyou County, California. Comment
  HSC18919  Quercus kelloggii J. O. Sawyer 1969-8-4 1883 Siskiyou SE slope above S Sugar Lake 2165 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-BC104369  Quercus sadleriana Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  UCD47225  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte- Siskiyou county line, California. Comment
  SJSU444  Quercus sadleriana A. W. Jacobs 1938-10-16 Siskiyou near summit of ridge c. 4 mi SW of Clear Cr (Pick-Aw-Ish) on Klamath R 1828 Comment
  HSC29466  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou Marble Mtn. Wilderness Area, SE slope along trail from English to Diamond Lake 1890 Comment
  UC375251  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek 1371 Comment
  UCR222479  Quercus vacciniifolia R. F. Thorne 1969-8-2 63399 B Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  UCR95631  Quercus vacciniifolia L. C. Wheeler 1963-9-3 8345 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC379130  Ranunculus aquatilis var. diffusus Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  RSA534580  Ranunculus flammula var. ovalis Peter Rubtzoff 1955-7-10 1947 Siskiyou Duncans Mills Marsh Comment
  HSC37533  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7569 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA60630  Ranunculus orthorhynchus I. L. Wiggins 1950-5-28 12369 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  UC118221  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee July 1887 Siskiyou Ager Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  SBBG2272  Ranunculus repens H. and M. Dearing 1939-7-2 3794 Siskiyou near Etna Comment
  UCD97134  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  UC220629  Raphanus raphanistrum H. E. Brown June 1-10 1897 343 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC56115  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Cottville, Klamath River, Mt. Diablo Mer. 566 Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  UC725519  Rhamnus rubra A. A. Heller 1920-8-13 13525 Siskiyou Upton Comment
  SEINET10907249  Rhododendron occidentale Mary Merello 1993-6-22 Merello 688 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  POM127811  Rhus trilobata var. quinata L. R. Abrams 1922-8-6 9909 Siskiyou Klamath River 6 miles below Hornbrook Comment
  RSA0044691  Rhus trilobata var. quinata Geo. D. Butler 1910-6-29 1615 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC438000  Ribes Alice Eastwood 1912-7-19 1245 Siskiyou Mount Shasta Comment
  CDA25521  Ribes aureum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2623 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  SEINET5343345  Ribes aureum G. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92544  Ribes binominatum L. E. Smith 1913-5-27 68 Siskiyou Yreka. Comment
  HSC76993  Ribes binominatum K. T. Stillman 1976-6-25 70 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC92861  Ribes binominatum Jennifer Whipple 1978-6-5 2351 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  CAS-BOT-BC92874  Ribes bracteosum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp. 457 Comment
  CAS-BOT-BC108783  Ribes cereum Gary Schoolcraft 1984-5-22 1174 Siskiyou North slopes of Mount Dome. 1524 Comment
  HSC27168  Ribes cereum J. P. Smith, J. O. Sawyer 1972-5-7 5286 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  CAS-BOT-BC168862  Ribes inerme var. klamathense A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson, first ridge west of Sisson Comment
  CAS-BOT-BC168871  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  UC165268  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Comment
  HSC34131  Ribes lacustre J. O. Sawyer 1969-7-23 1177 Siskiyou Along Horse Range Creek 1555 Comment
  JEPS49367  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou near Marble Valley Camp 1676 Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UC11567  Ribes lacustre Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC173388  Ribes lobbii John Thomas Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC173381  Ribes lobbii Milo S. Baker 1926-7-22 107 -'26 Siskiyou S. Fork Mt. - 5 miles from highway Comment
  RSA0021148  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek. Comment
  HSC40049  Ribes marshallii J. O. Sawyer 1970-7-4 2323 Siskiyou At Cedar Flat Cabin 1402 Comment
  RSA237678  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  OBI14034  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  CDA25560  Ribes odoratum J. R. Grisham 1965-7-29 Siskiyou F. Schultz property, Yreka. 0 Comment
  HSC69254  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-20 3727 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  SBBG14314  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Panther Crk, Mount Shasta 1790 Comment
  UCD102463  Ribes roezlii Jack Major 1961-7-14 634 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  CAS-BOT-BC200004  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Klamath National Forest. Little Soda Creek 1066 Comment
  HSC39740  Ribes roezlii var. cruentum J. O. Sawyer 1970-4-3 2095 Siskiyou Along Sugar Creek 915 Comment
  HSC60105  Ribes roezlii var. cruentum M. A. Baker 1977-6-27 388 Siskiyou Happy Camp. Comment
  CAS-BOT-BC186287  Ribes roezlii var. roezlii W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahans Comment
  UC165273 Image available Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Greenhorn road Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  RSA0019542  Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC173910  Ribes velutinum Alice Eastwood 1912-7-20 1265 Siskiyou Hornbrook Comment
  UC165744  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath Rim Comment
  CAS-BOT-BC168806  Ribes viscosissimum John Thomas Howell 1937-7-26 13549 Siskiyou Caribou Gulch Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC44981  Ribes viscosissimum J. O. Sawyer 1978-6-21 3284 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  JEPS84056 Image available Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6361 Siskiyou ca. 1/2 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS84057  Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6351 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  CDA8538  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2629 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  CDA23021  Rorippa columbiae F. D. Horn, M. Coll. 1977-7-28 s.n. Siskiyou Wildlife Refuge, Tulelake. 0 Comment
  CAS-BOT-BC74661  Rorippa curvisiliqua Louis C. Wheeler 1934-7-3 2872 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  JEPS53821  Rorippa curvisiliqua Geo. D. Butler 1908-8-9 131 Siskiyou Marble Mountain Valley 1676 Comment
  NY345434  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North Side, Mt. Shasta 1524 Comment
  UC618738  Rosa gymnocarpa W. B. Cooke 1938-6-24 11094 Siskiyou MacBride Spring Road Mount Shasta 1524 Comment
  CAS-BOT-BC146798  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  UC768888  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC147073  Rosa pisocarpa Alice Eastwood 1912-8-28 1958 Siskiyou Sisson Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  HSC69516  Rubus leucodermis John Palmer 1980-8-12 750 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC69026  Rubus parviflorus Maralyn A. Renner 1980-7-28 2189 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS88937  Rumex acetosella Gilbert Muth 1966-7-18 414 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  UC618813  Rumex acetosella W. Bridge Cooke 1938-8-21 11549 Siskiyou Shasta Alpine Lodge Mount Shasta, Horse Camp 2438 Comment
  UC850502  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  UCD101018  Rumex acetosella A. A. Heller 1915-8-24 11209 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC375325  Rumex conglomeratus Geo. D. Butler 1908-7-5 514 Siskiyou near Yreka 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
  UC796609  Sagina saginoides Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11745 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  SDSU11444  Sagittaria cuneata D. F. Howe 1972-7-8 4882 Siskiyou Grass Lake, 21 mies north of Weed on #97 1524 Comment
  CAS-BOT-BC103370  Salix bonplandiana Doris K. Kildale 1929-6-25 8359 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  CAS-BOT-BC103542  Salix commutata Gilbert J. Muth 1969-8-11 1356 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2377 Comment
  UC375236  Salix eastwoodiae Geo. D. Butler 1908-8-7 152 Siskiyou bank of lake at head of W. Fork Woody Creek Comment
  HSC19977  Salix lasiandra R. C. Wunner 1965-8-14 427 Siskiyou Lava Beds National Monument, N boundary near Hovey Pt. 1220 Comment
  HSC86544  Salix lasiandra D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC437298  Salix lasiandra subsp. lasiandra Annie M. Alexander and Louise Kellogg 1911-6-24 186 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC107081  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  LA208780  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-19 412 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  POM107151  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou Yreka Creek. Comment
  SBBG57843  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou NE side of Mt. Eddy, about 16 km NW of Shasta City Comment
  SD998  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  UC482342  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  CAS-BOT-BC128303  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7851 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC124893  Salix lemmonii A. A. Heller 13705 Siskiyou On the shore of Medicine Lake 2133 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC129075  Salix scouleriana Elmer I. Applegate 1935-6-11 9511 Siskiyou East Base of Cinder Cone, near the southwest corner of the Lava Beds National Monument Comment
  CDA21576  Salix scouleriana Marianne Cabot 2008-8-12 PDR# 1413931 Siskiyou Ft. Jones, 6711 Mill Creek Rd. 0 Comment
  HSC68376  Salix scouleriana Maralyn A. Renner 1980-6-26 1212 Siskiyou N edge of Flint Valley 1390 Comment
  SJSU180  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy c.13 km NW of Shasta city 1112 Comment
  UC1409269  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC481724  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base Mt. Eddy); n. base Mt. Eddy 1110 Comment
  UC482264  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC128972  Salix sitchensis Mrs. H. P. Bracelin 1937-7-22 870 Siskiyou Beyond head of Big Flat, in woods, near south fork of Salmon River 1615 Comment
  CAS-BOT-BC175656  Salsola tragus Alice Eastwood s.n. Siskiyou Montague Comment
  SEINET3152975  Salvia carnosa L. S. Rose 1940-6-14 40586 -A Siskiyou Lava Beds National Monument 1219 Comment
  RSA12668  Salvia sonomensis Carl B. Wolf 1934-7-6 6026 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  CAS-BOT-BC235045  Sambucus Alice Eastwood 1921-7-31 11017 Siskiyou Shasta Springs Comment
  CAS-BOT-BC238885  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-23 13358 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC34353  Sambucus racemosa var. racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7304 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  UC735125  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  UC165424  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Mountain Comment
  SEINET3240204  Santalaceae R. L. Mathiasen 2007-1 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  UC1190190  Saxifraga aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  UC1190142  Saxifraga ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UCR52361  Saxifraga tolmiei K. Berg, Stephanie Bennett 1986-8-25 648 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  HSC55711  Saxifragopsis fragarioides G. L. Clifton, Griswold 1979-7-26 10113 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UCD126475  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC110852  Scirpus congdonii H. A. Thomas; J. H. Thomas 1954-7-24 4489 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow 1981 Comment
  UC185014  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka (dry hill); near Yreka Comment
  UC184694  Scirpus maritimus Geo. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley Comment
  JEPS45872  Scribneria bolanderi Louis C. Wheeler 1935-5-18 3500 Siskiyou Siskiyo Mountains, Yreka Creek Yreka Creek; Siskiyo Mountains, Yreka Creek 853 Comment
  CHSC14081  Scrophularia desertorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Blue Grotto Cave, Lava Bed Natol. Monument. 1456 Comment
  HSC27105  Scutellaria antirrhinoides Carl W. Mize 1972-6-21 57 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  POM70366  Scutellaria antirrhinoides Geo. D. Butler 1910-7-3 1633 Siskiyou Goose nest foothills 1220 Comment
  RSA238531  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA755952  Scutellaria antirrhinoides Robert F. Thorne 1969-8-2 63351 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  RSA64691  Scutellaria siphocampyloides Albert M. Vollmer, L. Beane 1951-6-2 42 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CAS-BOT-BC64661  Sedum kiersteadiae Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CHSC118104  Sedum kiersteadiae Peter Zika; Barbara Wilson 2011-7-31 25677 Siskiyou 0.9 mile by roadd east of summit on Highway 3 at Scott Mountain; UTM zone 10, 525847 east, 4568011 north +- 30 feet. 1547 Comment
  RSA0078509  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy. 2134 Comment
  CAS-BOT-BC61475  Sedum laxum subsp. laxum Alice Eastwood 1912-9-11 2142 Siskiyou Trail to Black Butte from Waldo Comment
  CHSC30311  Sedum obtusatum subsp. boreale M. S. Taylor 1980-7-8 3116 A Siskiyou W of Castle Lake, above Hearts Lake. 2016 Comment
  UCD102018  Sedum stenopetalum Alfred H. Murphy 1961-7-20 61 - Siskiyou Marble Mtns., Klamath National Forest, divide bewteen Elk and Rainly Valley. 1981 Comment
  UCSB25866  Sedum stenopetalum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  CAS-BOT-BC496375  Selaginella scopulorum Louis C. Wheeler 1934-8-14 3122 Siskiyou Siskiyou Mts., 0.5 mile W White Mt. 1920 Comment
  RSA237268  Selaginella wallacei Frederick W. Oettinger 1967-7-8 157 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CDA8622  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  CAS-BOT-BC363940  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek Comment
  HSC69328  Senecio sylvaticus John Palmer 1980-8-12 745 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS68544  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Doonyard> Comment
  CHSC99727  Shepherdia canadensis L. P. Janeway 2008-7-23 9462 Siskiyou Klamath Ranges. The Eddys/Scott Mountains; along small tributary from the west to Parks Creek; above Road 17 8.0 road km south of Stewart Springs Road. 1747 Comment
  HSC19470  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1128 Siskiyou SW facing slope W of Russian Lake 2210 Comment
  HSC39067  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1975-7-18 573 Siskiyou S fork Sacramento River, off FS Rd. 40N30, between Mt. Eddy and Boulder Pk. Comment
  JEPS67293  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20061 Siskiyou McCloud 975 Comment
  UC164432  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mountain foothills of Goosenest Mountain Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  SEINET185062  Silene C. L. Hitchcock, J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1829 Comment
  UC609314  Silene bernardina Eleanor Burks Hart 1938-8-16 951 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC181191  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC181198  Silene campanulata subsp. glandulosa Clarence R. Quick 1958-6-17 58 -29 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  HSC19524  Silene douglasii J. O. Sawyer 1969-8-1 1629 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SDSU4483  Silene douglasii D. F. Howe 1964-8-4 3935 Siskiyou Modoc National Forest 9 miles from entrance from Lava Bed National Monument. 2042 Comment
  CAS-BOT-BC388947  Silene grayi Wm. Bridge Cooke 1938-8-18 11494 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  RSA184741  Silene grayi Gilbert Muth 1965-8-17 231 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  UC722526  Silene grayi C. L. Hitchcock, J. S. Martin 1939-7-6 5227 Siskiyou California on Takilma-Happy Camp road peak above and n of Divide of Siskiyou Mts. (peak above and n of Divide of siskiyou Mts.) Comment
  CAS-BOT-BC181255  Silene hookeri subsp. hookeri Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  UC1282008  Silene invisa Louise Kellogg Aug 5 1953-Aug 7 1953 104 Siskiyou 1 mi n Cory Peak (Cabin Meadow, 11 mi e of Callahan on road to Gazelle then s 5.8 mi on logging road, Klamath National Forest, Scott Mountains); Klamath National Forest, Scott Mts., n of Cory Peak 1844 Comment
  UC1212577  Silene lemmonii Francia Chisaki, Helen K. Sharsmith 1959-8-20 4735 Siskiyou Canyon of Scott River before reaching Carrigher's Summit and divide between Scott River and East Fork Salmon River; Inner North Coast Ranges, Canyon of Scott River 1828 Comment
  CDA3863  Sisymbrium altissimum T. C. Fuller 1958-6-19 1831 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  RSA238754  Sisyrinchium bellum Frederick W. Oettinger 1969-8-1 1125 Siskiyou Wiregrass Meadow below English Lake, Elnglish Lake Basin. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1677 Comment
  UC637146  Smilacina racemosa Edward Lee 1934-8-13 1070 Siskiyou Happy Camp to Waldo (oregon) road Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  JEPS62161  Smilax californica W. L. Jepson 1914-8-14 6173 Siskiyou Dunsmuir 670 Comment
  UC1043393  Smilax californica P. C. Everett and E. K. Balls 1954-10-12 20273 Siskiyou along creek n Walker (4.8 mi s from Beaver Creek Forest Service camp); Beaver Creek 335 Comment
  POM211187  Solanum americanum Louis C. Wheeler 1934-9-17 3274 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt. Diablo Mer). 701 Comment
  RSA795337  Solanum dulcamara L. Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  HSC68273  Solanum parishii J. P. Smith, Steve Selva 1970-6-15 3968 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  CAS-BOT-BC157044  Solanum umbelliferum A. Eastwood; J. T. Howell 1934-4-20 1772 Siskiyou Near Yreka along Shasta River Comment
  SEINET5760795  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou About 8 miles SE of Flint Valley, on road to New Orleans Comment
  POM259775  Solidago canadensis subsp. elongata W. Bridge Cooke 1938-8-19 11510 Siskiyou Near the overflow creek from the Mount Shasta City Reservoir. 1220 Comment
  CAS-BOT-BC365577  Solidago elongata Grant 1902-9-13 5191 Siskiyou Dunsmuir 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
  JEPS121608  Solidago multiradiata Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  UC195207  Solidago multiradiata Annie M. Alexander and Louise Kellogg 1911-8-14 326 Siskiyou Mt. Eddy Comment
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  RSA237821  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1968-8-13 501 Siskiyou S inlet to Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC29386  Spiraea douglasii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1213 Siskiyou Marble Mtn. Wilderness Area, Young's Cabin on English Lake trail towards Abbotts 1463 Comment
  HSC74812  Spiraea douglasii J. P. Smith 1978-7-1 9992 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  HSC29134  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  RSA211188  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA447291  Stachys M. B. Dunkle 1944-7-16 9115 Siskiyou Siskiyou Natl. Forest, Coastal Northern California. Comment
  UCLA70760  Stachys ajugoides var. rigida C. G. Pringle 1881-8-16 Siskiyou Comment
  HSC76687  Stachys rigida K. T. Stillman 1976-7-30 320 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  UC165376  Stellaria longipes var. longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  UC1360488  Stenanthium occidentale J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3747 Siskiyou ca 0.5 mi ne Marble Valley Guard Station (Upper Canyon Creek); Marble Mountain Wilderness Area 1920 Comment
  UCD139813  Stenanthium occidentale G. L. Clifton 1975-7-29 6042 Siskiyou near Copper Butte and Seiad Valley. 1328 Comment
  RSA237470  Stephanomeria lactucina Frederick W. Oettinger 1968-8-11 473 Siskiyou Braken Meadow, 0.1 mile from Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS87638  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  CAS-BOT-BC375667  Stephanomeria paniculata L. E. Smith 1915-8-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC322913  Stephanomeria tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  HSC40419  Streptanthus tortuosus J. O. Sawyer 1973-7-15 2537 Siskiyou On Wooley Creek Trail between Deer Lick and Gates Creek 366 Comment
  UCD116129  Streptanthus tortuosus Jack Major 1961-7-14 636 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  RSA12673  Streptanthus tortuosus C. B. Wolf 1934-7-6 6022 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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Jul 4 2012
  UC1492819  Streptanthus tortuosus Freed W. Hoffman 1950-7-12 3424 Siskiyou rocks along Klamath River Hwy 3.2 mi from Pick-Aw-Wish Public Camp (toward the e) Comment
  CHSC30242  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 A Siskiyou Little Mt. Hoffman, w side. 2225 Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  HSC18973  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-8 1093 Siskiyou NE slope above Little Duck Lake 2140 Comment
  HSC77063  Streptanthus tortuosus var. tortuosus K. T. Stillman 1976-8-7 195 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC18894  Streptopus amplexifolius J. O. Sawyer 1968-6-18 179 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS12878  Symphoricarpos albus var. laevigatus Geo. D. Butler 1908-7-3 92 Siskiyou near Yreka (Butler's Ranch) Comment
  HSC18884  Symphoricarpos mollis J. O. Sawyer 1968-9-28 739 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC18990  Symphoricarpos mollis J. O. Sawyer 1969-7-24 1460 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC69557  Symphoricarpos mollis Maralyn A. Renner 1980-8-6 2293 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  RSA428900  Symphoricarpos mollis M. B. Dunkle 1944-7-7 9072 Siskiyou Siskiyou Nat'l Forest. Comment
  CAS-BOT-BC245774  Symphoricarpos rotundifolius Wm. Bridge Cooke 1938-8-23 11578 Siskiyou Above Bolam Creek, Mount Shasta 2590 Comment
  UC165280  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC98955  Symphyotrichum foliaceum var. parryi W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  UC1540178  Symphyotrichum frondosum Dean W. Taylor 1987-8-9 9291 Siskiyou along Highway 161 8.3 mi w from Highway 139 Lower Klamath National Wildlife Refuge 1249 Comment
  HSC78313  Symphyotrichum hendersonii L. P. Janeway 1983-8-6 488 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  CAS-BOT-BC98431  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-7 1264 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC98436  Symphyotrichum spathulatum Doris K. Kildale 1928-8-19 6510 Siskiyou English Lake, head of north fork of Salmon River Comment
  UC817369  Taeniatherum caput-medusae Louis C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley Shasta Valley; Grenada, Shasta Valley 792 Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  UC615192  Taraxia tanacetifolia Beryl O. Schreiber 1932-7-18 443 Siskiyou near Dorris Comment
  CAS-BOT-BC81338  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC81343  Taxus brevifolia H. M. Hall 1902-9-15 5250 Siskiyou Dunsmuir 609 Comment
  CAS-BOT-BC85242  Taxus brevifolia Doris K. Kildale 1925-9-6 1296 Siskiyou Mouth of Rodger Creek on Klamath River 274 Comment
  SBBG25354  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou lower Blake's Fork of S Russian Crk (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  UC637045  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  HSC6272  Tetradymia canescens D. M. Thomson 1965-7-17 150 Siskiyou Lava Beds National Monument, N boundary Comment
  POM148439  Thelypodium brachycarpum J. B. Feudge 1927-7-24 1670 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  RSA114965  Thelypodium brachycarpum E. K. Balls, Lee W. Lenz 1956-6-18 21721 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Eureka to Dunsmuir. 884 Comment
  RSA66832  Thelypodium laciniatum F. W. Peirson 1923-7-19 3734 Siskiyou Laird s Landing. Comment
  CAS-BOT-BC77736  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1219 Comment
  JEPS46260  Thermopsis A. E. Wieslander 1928-6-12 Siskiyou near Slate Creek; Siskiyou Mts., Klamath National Forest Comment
  HSC64858  Tiarella trifoliata var. unifoliata J. P. Smith, Steve Selva 1970-7-15 4342 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA237921  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-3 232 Siskiyou West end of Little Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2043 Comment
  JEPS62178  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1894-7 Siskiyou wet swamp at Sisson Comment
  POM198423  Torreyochloa pallida var. pauciflora Geo D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC377095  Tragopogon dubius Roxana S. Ferris; Laura Lorraine 1948-6-12 11723 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC36819  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC6298  Tragopogon dubius R. C. Wunner 1965-7-1 318 Siskiyou California Lava Beds National Monument; near the top of Gillems Bluff Trail 1372 Comment
  UCD96051  Trautvetteria caroliniensis John M. Tucker; D. V. Hemphill 1974-7-27 4298 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC519558  Triantha occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp, Klamath National Forest. Below Camp's water spring in marshy hillside. Western exposure. 1524 Comment
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  HSC38753  Triantha occidentalis subsp. occidentalis A. M. Montalvo, J. D. Ackerman 1975-7-18 579 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River Comment
  HSC96432  Triantha occidentalis subsp. occidentalis Tony LaBanca, Leonel Arguello, Gordon Leppig 1997-6-27 487 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS43404  Tribulus terrestris W. L. Jepson 1914-8-14 6160 Siskiyou near Dunsmuir (Castle Crag station) 670 Comment
  SBBG15778  Trientalis latifolia D. Myrick 1961-6-21 305 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  POM28721  Trifolium cyathiferum Edward Palmer 1892-7-13 2475 Siskiyou Mount Shasta and vicinity 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
  POM27526  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1910-6-6 1457 Siskiyou Quartz Valley Comment
  JEPS93881  Trifolium eriocephalum var. eriocephalum Vernon H. Oswald and Lowell Ahart 1998-7-21 9340 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, and on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  HSC62272  Trifolium howellii Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  HSC15160  Trifolium pratense Mrs. H. P. Bracelin 1931-6-20 431 Siskiyou Metcalf Ranch, N side of Mt. Eddy 915 Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  UC1045248  Trifolium repens William Bridge Cooke 1940-7-5 15234 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
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Mar 31 2006
  POM28037  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka. Comment
  SEINET10829874  Trifolium wormskioldii var. wormskioldii Louis C. Wheeler 1935-6-27 Wheeler 3620 Siskiyou Greenview, Scott Valley. Damp sunny meadow. 884 Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  HSC18968  Trillium ovatum G. L. Clifton, Griswold 1979-6-28 6140 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC96418  Trillium ovatum subsp. oettingeri Gordon Leppig, J. Kalt 1996-7-9 381 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA183649  Trillium ovatum subsp. oettingeri Gilbert Muth 1965-8-12 213 Siskiyou Marble Mountain; trail to Black Mountain Comment
  RSA234820  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 962 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1299348  Trillium ovatum subsp. oettingeri Freed W. Hoffman 1950-7-13 3638 Siskiyou S. Fork Indian Creek Rd. to Baldy Mt. (1.1 mi. before reaching Lookout) 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
  CAS-BOT-BC200091  Trisetum canescens Alice Eastwood 1912-7-17 1099 Siskiyou Mc Cloud [McCloud] Comment
  CAS-BOT-BC200269  Trisetum spicatum Gilbert Muth 1966-8-3 491 Siskiyou Marble Valley meadow, Marble Mts. 1792 Comment
  RSA238976  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Trail southeast of Tom's Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA14319  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  CAS-BOT-BC133494  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 914 Comment
  RSA378083  Triteleia crocea M. B. Dunkle 1944-6-25 9020 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS64224  Triteleia hyacinthina W. L. Jepson July 1894 20977 Siskiyou Sisson Comment
  CAS-BOT-BC522334  Triteleia hyacinthina Alice Eastwood 1921-7-24 10795 Siskiyou Castle Lake Comment
  UC635730  Triteleia ixioides subsp. anilina D. Tebbe 1929-6-7 143 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC524319  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou Openings in the forest, Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC67794  Tsuga mertensiana J. O. Sawyer, J. Cole 1980-7-21 3898 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SEINET4854382  Tsuga mertensiana subsp. grandicona Carl B. Wolf 1934-7-5 5970 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake Lookout on road to Horse Creek. 2134 Comment
  CAS-BOT-BC74101  Turritis glabra Marion Ownbey; Fred G. Meyer 1940-7-7 2207 Siskiyou Along Soap Ridge road, southwest of Yreka. Comment
  CAS-BOT-BC91279  Umbellularia californica Doris K. Kildale 1929-7-20 8536 Siskiyou Trail to Preston Peak along South Fork of Indian Creek. 2743 Comment
  JEPS19728  Utricularia macrorhiza Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-27 5975 Siskiyou 20 mi. n.e. Weed (along causeway of U.S. Hwy. 97 between Weed and Klamath Falls, Grass Lake); Grass Lake 1544 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
  CAS-BOT-BC199228  Vaccinium membranaceum John Thomas Howell 1939-8-2 14871 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC199236  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou Head of Knownothing Creek, 3 mi. E. of Salmon Summit 1767 Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  HSC29339  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 Siskiyou Marble Mountain Wilderness Area, Charmaine Lake 1921 Comment
  HSC60770  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC199480  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River Watershed Comment
  CAS-BOT-BC199529  Vaccinium uliginosum Wm. Bridge Cooke 1939-7-7 13606 Siskiyou At Wagon Camp Comment
  UC73559  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1899-1 Siskiyou Bear Mts. 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
  UC28816  Valeriana californica Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  POM128296  Valeriana capitata subsp. californica M. S. Baker 1898-8-1 480 Siskiyou Medicine Lake. Comment
  HSC61148  Valeriana sitchensis subsp. sitchensis Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  JEPS9389  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1908-8-4 56 Siskiyou Shackelford Creek 1676 Comment
  HSC68308  Vancouveria hexandra Maralyn A. Renner 1980-7-5 1521 Siskiyou Doe Flat 1220 Comment
  UCD95095  Vancouveria hexandra J. M. Tucker; D. V. Hemphill 1974-7-26 4294 Siskiyou Let 'Er Buck Meadows, 0.5 mile east of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  RSA238576  Vancouveria hexandra Frederick W. Oettinger 1967-8-21 306 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  HSC73295  Vancouveria planipetala M. A. Baker 1980-6-20 2188 Siskiyou Near Bald Mtn. 1036 Comment
  HSC100333  Ventenata dubia J. P. Smith 2011-7-15 13301 Siskiyou 1427 Comment
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  CHSC111071  Veratrum californicum Barbara L. Wilson; Julie K. Nelson 2011-8-22 16854 Siskiyou Meadow on a tributary of the Middle Fork Sacramento River at the end of Forest Service road 40N64A. 1969 Comment
  UCR47905  Veratrum californicum Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  JEPS62205  Veratrum californicum var. californicum W. L. Jepson 1914-8-13 5796 Siskiyou Sisson 1097 Comment
  UC164389  Veratrum insolitum Geo. D. Butler 1908-8-26 536 Siskiyou head of E<?> Creek Salmon Mountain Comment
  RSA237905  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCR24867  Verbascum blattaria Don Emery 1981-9-10 s.n. Siskiyou Vacant lot between buildings in the town of Weed 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
  HSC2  Veronica americana William J. Ferlatte 1966-6-23 132 Siskiyou Yellow Rose Mine, below mine 1982 Comment
  HSC72504  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4024 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CHSC1906  Veronica copelandii A. Anderson 1962-8-1 Siskiyou Near E. Boulder Lake, between Trinity and Scott river drainage. 2225 Comment
  HSC91114  Veronica copela