Search Results — 2000 specimen records retrieved (1340 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC33072  Abies concolor J. P. Smith; Steve Selva 1970-7-15 4364 Siskiyou Baldy Mountain Lookout Station 1722 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
  HSC68390  Abies concolor Maralyn A. Renner 1980-6-26 1250 Siskiyou SE edge of Flint Valley. 1390 Comment
  SD75844  Abies concolor Darley F. Howe 1969-9-12 Siskiyou Siskiyou Mountains, west side of Grayback 1525 Comment
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Jul 10 2010
  SFV12341  Abies concolor J. Major, R. H. Pemble, M. D. Fleschner 1966-9-6 Siskiyou Marble Mountains Marble Mountains, Beside trail from Lovers Camp to Marble Valley Guard Station. 1372 Comment
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Feb 15 2013
  HSC66074  Abies lasiocarpa Timothy B. Devine 1976-10-23 364 Siskiyou NW side of little Duck Lake 2043 Comment
  RSA226605  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  HSC69303  Abies magnifica Maralyn A. Renner 1980-7-24 1986 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  UC333433  Abies magnifica var. shastensis unknown Siskiyou Mt. Shasta Comment
  JEPS42741  Acer glabrum W. L. Jepson 1907-7-5 2837 Siskiyou Marble Mt. Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  CAS-BOT-BC332788  Acer macrophyllum Roxana S. Ferris; Laura Lorraine 1948-6-12 11778 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  CAS-BOT-BC18872  Achillea millefolium I. L. Wiggins 1955-7-27 13519 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS37100  Achillea millefolium W. L. Jepson 1940-7-3 20095 Siskiyou Bartle 1188 Comment
  UC630400  Achillea millefolium Annetta Carter 1939-8-21 1476 Siskiyou summit of peak above se end (12 mi sw of Etna) Taylor Lake; Salmon Mountains 2286 Comment
  CAS-BOT-BC30448  Achillea millefolium Herbert L. Mason 1945-8-16 12659 Siskiyou Grizzly Island, near Suisun Bay Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  CAS-BOT-BC216925  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1097 Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  UC1483544  Achnatherum occidentale subsp. occidentale J. Sawyer and J. Cole 1980-7-21 3859 Siskiyou n, near intersection with road to Lava Camp F.S. Road 44N01; Medicine Make Quad. 1676 Comment
  UCD51429  Achnatherum thurberianum Beecher Crampton 1969-6-18 8460 Siskiyou 4 miles s.w. Yreka, State Hwy. 3. 975 Comment
  UCD51439  Achnatherum thurberianum L. Whitney 1934-6-27 s.n. Siskiyou 30 miles SW of Tennant. 1371 Comment
  UCD95300  Aconitum columbianum Beecher Crampton 1956-8-21 3801 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. Comment
  CAS-BOT-BC391515  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 a Siskiyou Sisson Comment
  RSA211130  Aconitum columbianum var. columbianum William J. Ferlatte 1966-8-3 291 Siskiyou Josephine Lake basin. 1677 Comment
  RSA576949  Aconitum columbianum var. columbianum Louis C. Wheeler 1934-6-18 2724 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  RSA68899  Aconitum columbianum var. columbianum A. E. Culbertson 1943-7-12 58 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC61846  Aconogonon davisiae Ruby Van Deventer 1938-7-18 Siskiyou Poker Flat 1585 Comment
  CHSC9484  Aconogonon newberryi J. F. Goodwin 1971-7-3 128 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  HSC30406  Aconogonon phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  CAS-BOT-BC29321  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  CDA36800  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. 0 Comment
  CAS-BOT-BC26634  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  CHSC12950  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5834 Siskiyou Vicinity of Blue Grotto Cave, Lava Beds National Monument. 1456 Comment
  UC637091  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  HSC78184  Agastache urticifolia L. P. Janeway 1983-8-16 537 Siskiyou At Poker Flat, road edge at upper portion of meadow 1524 Comment
  UC1409448  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1950 Comment
  POM210974  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek (Mt. Diablo Mer.) 1982 Comment
  CAS-BOT-BC15484  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10880 Siskiyou Medicine Lake Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15391  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-5-19 1367 Siskiyou Near Yreka Comment
  CAS-BOT-BC22776  Agoseris heterophylla George Dexter Butler 1910-5-23 1402 Siskiyou Near Yreka 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
  HSC77023  Agoseris heterophylla K. T. Stillman 1976-6-25 53 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA239097  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou On north side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1025005  Agrostis exarata Leo Whitney 1935-7-15 3468 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD35432  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD52131  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 1/2 mile northeast Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  SEINET13768145  Agrostis exarata L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: east end. 1768 Comment
  UCD52996  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -F Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  RSA239065  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1155 Siskiyou Above Sundew Bog, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA603997  Agrostis pallens L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: East end. 1767 Comment
  UC1265311  Agrostis pallens F. W. Oettinger 1968-9-1 637 Siskiyou rock-crevices on se side of lake Salmon Mountains, Abbott's Lake 1722 Comment
  HSC65669  Agrostis scabra Donald W. Miles 1979-7-21 21 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  RSA126057  Agrostis scabra I. L. Wiggins 1955-7-22 13448 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  HSC30585  Agrostis thurberiana Frederick W. Oettinger 1968-9-7 757 Siskiyou Marble Mtn. Wilderness Area, W shore of Hancock Lake. 1936 Comment
Read comments
Feb 29 2012
  CAS-BOT-BC138480  Agrostis variabilis John Thomas Howell 1937-7-24 13419 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  HSC100993  Alisma triviale J. P. Smith 2009-8-22 12656 Siskiyou Along the road to Bray. 1422 Comment
  JEPS84246  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6463 Siskiyou ca. 5 mi n Town of Seiad Valley (trail up Kangaroo Peak, ridge e of peak, s of Lily Pad Lake); Kangaroo Peak 1900 Comment
  CAS-BOT-BC459429  Allium acuminatum Lillian Mott 1976-7-4 20 LM76 Siskiyou Cook and Green Pass Road north of Seiad Valley at waterfall 1463 Comment
  CAS-BOT-BC462378  Allium amplectens Roxana Ferris; Laura Lorraine 1948-6-12 11720 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC462991  Allium bolanderi John Thomas Howell 1980-5-20 53560 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  HSC33999  Allium bolanderi var. bolanderi J. P. Smith 1974-5-25 7501 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC94409  Allium campanulatum R. C. Wenk 2005-7-15 213 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  HSC30437  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou Marble Mtn. Wilderness Area, N of Tom's Laver Pond 1982 Comment
  UC609359  Allium campanulatum Eleanor Burks Hart 1938-8-20 940 Siskiyou below Red Cap (upper end of Big Meadow); Big Meadow 2225 Comment
  HSC91448  Allium falcifolium Jennifer Whipple 1976-7-14 1472 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2195 Comment
  CAS-BOT-BC469238  Allium falcifolium Alice Eastwood 1923-5-29 12003 Siskiyou Cantara [historical town] Comment
  HSC99606  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 2004-6-20 9259 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3 at Scott Mtn. Pass 1707 Comment
  CAS-BOT-BC132144  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC132145  Allium siskiyouense Thomas Howell 1884-6-17 s.n. Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC516177  Allium siskiyouense Dana York 2011-8-13 3068 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  JEPS104939  Allium siskiyouense Dean W. Taylor 1996-6-28 15751 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  HSC96858  Allium validum Gordon Leppig, J. Cromwell 1997-7-25 574 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  CAS-BOT-BC171396  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills 1524 Comment
  HSC4964  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 343 Siskiyou Along Horse Range Creek 1646 Comment
  UC1313038  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou lower Red Rock Valley Marble Mountain Wilderness Area (along draw in vicinity of cabin) 1493 Comment
  UC1408783  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1968-9-4 692 Siskiyou Abbots Lake outlet Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1722 Comment
  UC484055  Alnus incana subsp. tenuifolia Carl B. Wolf 1930-10-22 1752 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  HSC3405  Alnus rhombifolia C. B. Wolf 1927-8-26 1042 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  SEINET6890111  Alnus rhombifolia M. K. Solecki, J. B. Taft 1986-9-9 2136 Siskiyou Bank of Scotty River near Indian Scotty Campground; elevation 2,200 feet. 670 Comment
  SEINET3917663  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River 2 miles west of Seiad Creek.; 0 518 Comment
  CAS-BOT-BC138103  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  UC1045292  Alyssum alyssoides Reed Rollins 1940-6-7 15113 Siskiyou near Black Butte (along the Pacific Highway); Pacific Highway 1219 Comment
  JEPS54304  Amaranthus blitoides Geo. D. Butler 1908-8-14 64 Siskiyou near Yreka Comment
  RSA237665  Amelanchier pallida Frederick W. Oettinger 1969-8-13 1358 A Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS45125  Amelanchier utahensis W. L. Jepson Jul 1894 59 a Siskiyou Sisson 792 Comment
  JEPS107482  Amsinckia menziesii var. menziesii Lowell Ahart, John Dittes 2005-6-9 12046 Siskiyou Along the west 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
  HSC23641  Anaphalis margaritacea J. O. Sawyer 1969-8-4 1912 Siskiyou Above S Sugar Lake 2043 Comment
  UC2062592  Androsace filiformis Belinda Lo with Alex Randolph-Lowe 2017-8-26 357 Siskiyou SISKIYOU COUNTY: Klamath National Forest, about 0.9 miles SSW of Pinto Spring. Comment
  CAS-BOT-BC391753  Anemone L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC391795  Anemone deltoidea Geo. D. Butler 1910-7-9 1713 Siskiyou Marble Mountain 1676 Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  OBI80346  Anemone deltoidea David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC58914  Anemone drummondii Marvin Butler 1971-7-7 56 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  UC1096825  Anemone drummondii Douglas Barbe and H. K. Wagnon 1957-6-16 13134 Siskiyou Scott Mt. 1920 Comment
  HSC4928  Anemone lyallii J. O. Sawyer 1968-7-2 361 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  UC1360403  Angelica arguta J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mi ne of Marble Valley Guard Station (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1920 Comment
  CDA38220  Angelica tomentosa T. R. Haig & F. D. Horn 1977-8-16 s.n. Siskiyou Along Grizzly Creek, west of Callahan. 0 Comment
  HSC71389  Angelica tomentosa J. M. DiTomaso 1980-8-4 1845 Siskiyou Flint Valley, off Gasquet-Orleans Rd. 1390 Comment
  POM82548  Angelica tomentosa var. tomentosa Geo. D. Butler 1908-8-5 465 Siskiyou Marker Mtn. 2134 Comment
Read comments
Nov 25 2011
  SEINET2033733  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  UC485658  Antennaria geyeri M. K. Curran Jul 1887 Siskiyou Ager Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC79901  Antennaria microphylla Hans Leschke 1960-8-10 1761 Siskiyou Badger Flat 1912 Comment
  HSC61190  Antennaria racemosa Al Hobart Siskiyou El Capitan 1524 Comment
  RSA184766  Antennaria rosea Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  RSA105409  Anthemis cotula G. D. Barbe 1955-7-1 084 Siskiyou 6 mi. south of Etna at junction of the Westside Rd. and the east-west road crossing Scott Valley. 884 Comment
  HSC21957  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1975 Siskiyou S of S Sugar Lake 2104 Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC104  Arabis breweri var. breweri William J. Ferlatte 1966-6-23 134 Siskiyou Yellow Rose Mine 1982 Comment
  HSC23654  Arabis breweri var. breweri J. O. Sawyer 1969-7-24 1466 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  RSA0126150  Arabis divaricarpa John F. Emmel 1974-7-22 522 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  HSC44752  Arabis holboellii var. retrofracta J. O. Sawyer 1978-6-19 3247 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC62265  Arabis holboellii var. retrofracta Al Hobart Siskiyou Youngs Valley Comment
  HSC90571  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-2 1244 Siskiyou Near Durney Lake. 2073 Comment
  RSA0129676  Arabis lemmonii var. lemmonii P. H. Raven 1956-9-4 10411 Siskiyou S side of Mt. Eddy 2652 Comment
  HSC66261  Arabis modesta Maralyn A. Renner 1980-6-22 897 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC92701  Arabis modesta D. L. Goforth 1980-4-23 476 Siskiyou Salmon River Rd. across from Sauerkraut Gulch 366 Comment
  HSC66246  Arabis oregana Maralyn A. Renner 1980-7-28 2151 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC90289  Arabis oregana J. P. Smith 1973-5-5 6449 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  JEPS84110  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
Read comments
Feb 24 2021
  HSC22455  Arabis sparsiflora var. subvillosa J. O. Sawyer 1969-6-10 792 Siskiyou Lower slopes of Sugar Creek 1585 Comment
  CDA24666  Arabis subpinnatifida Doug Horn 1978-4-9 Siskiyou Horn Ranch, Etna. Comment
  POM266032  Arabis subpinnatifida Lincoln Constance, Reed C. Rollins 1942-5-14 2923 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  CAS-BOT-BC171030  Aralia californica L. E. Smith 1913-7-4 453 Siskiyou North fork Castle Creek Comment
  CAS-BOT-BC171618  Aralia californica Alice Eastwood 1917-9-2 6703 Siskiyou Shasta Springs Comment
  HSC27591  Aralia californica Carl W. Mize 1972-6-21 70 Siskiyou Along trail by first creek 335 Comment
  UC1585411  Arbutus menziesii R. Raiche, K. Zadnik, and H. Forbes 1989-3-10 UCBG 37 Siskiyou 17 km e of Happy Camp (on Hwy 96, Seiad VAlley area); Seiad VAlley area Comment
  CAS-BOT-BC407724  Arceuthobium abietinum W. R. Dudley s.n. Siskiyou side of Black Butte Comment
  RSA238708  Arceuthobium abietinum Frederick W. Oettinger 1968-9-5 712 Siskiyou At 'Base Camp' Meadow at mid-trail between Diamond and Hancock Lakes. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET2471353  Arceuthobium abietinum R. L. Mathiasen 2007-9-19 2007 -51 Siskiyou Yellow Jacket Ridge on trail to Chimney Rock Lake 1250 Comment
  CHSC97992  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. Comment
  UC1733831  Arctostaphylos Frank Gould 1940-5-15 1245 Siskiyou Bull Meadows; Goosenest Mountain 1828 Comment
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  CAS-BOT-BC39007  Arctostaphylos klamathensis Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-5 s.n. Siskiyou Terrace Lake 1920 Comment
  JEPS81806  Arctostaphylos klamathensis Todd Keeler-Wolf 1982-9-19 686 Siskiyou 0.5 km sw Terrace Lake 1950 Comment
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Mar 30 2006
  UCD51974  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC40018  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble, Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC45435  Arctostaphylos nevadensis W. R. Dudley 1901-8-18 s.n. Siskiyou Morraine of Jackson Lake. Salmon Mts. Comment
  HSC18958  Arctostaphylos nevadensis G. L. Clifton, Griswold 1979-6-28 6123 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA238337  Arctostaphylos nevadensis Frederick W. Oettinger 1967-8-26 325 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  RSA60638  Arctostaphylos nevadensis I. L. Wiggins 1950-5-28 12373 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  LA42205  Arctostaphylos nevadensis Wm. Bridge Cooke; 1939-8-8 13835 Siskiyou Mount Shasta 2468 Comment
  SEINET11991025  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 102 Siskiyou on Cook & Green Pass E of pass 1524 Comment
  CAS-BOT-BC46435  Arctostaphylos patula H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy. Above Dobkin's Lake. 2133 Comment
  HSC63077  Arctostaphylos patula David Wheeler 1979-4-7 22 Siskiyou Comment
  HSC7706  Arctostaphylos patula H. P. Chandler Jun 1901 1600 Siskiyou Near Marble Mountain 2287 Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  POM77135  Arctostaphylos patula Geo D. Butler 794 Siskiyou Dry hills near Yreka. Comment
  RSA138579  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou Just above the trail marker to Diamond and Hancock Lakes from English Lake area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 183 Comment
  SEINET8754043 Image available Arctostaphylos patula Richard R. Halse 2015-1 9325 Siskiyou Southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  CAS-BOT-BC47008  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-4-2 4404 Siskiyou Klamath River at Somes Bar. 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
  RSA264950  Arenaria congesta Gilbert Muth 1975-7-28 9902 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  JEPS84227  Arenaria congesta var. crassula L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6321 Siskiyou ca. 7 mi nne Seiad Valley (w of Cook and Green Pass, ca. 1/2 mi se of Red Butte); w of Cook and Green Pass, nne of Seiad Valley 1750 Comment
  JEPS105628  Arenaria 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
  SD88364  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1659 Comment
  HSC97653  Arenaria serpyllifolia Juha Pykala, D. H. Norris 1987-6-26 2088 Siskiyou Marble Mtn. Wilderness Area, 0-3 km below Bear Lake, above Bear Creek 1200 Comment
  JEPS84346  Arnica L. R. Heckard with J. Hickman et al. 1986-7-17 6539 Siskiyou Alex Hole (s end) Condrey Mt. 1980 Comment
  UC726140  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake 1561 Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  CAS-BOT-BC82363  Arnica cordifolia H. E. Brown 1897-6-1 364 Siskiyou Near Mt. Shasta 2133 Comment
  CDA10118  Arnica cordifolia T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC22148  Arnica cordifolia J. O. Sawyer 1969-6-12 941 Siskiyou On trail to Duck Lakes 1890 Comment
  CAS-BOT-BC82553  Arnica discoidea Doris K. Kildale 1928-7-2 5364 Siskiyou Salmon Summit via Horn Ceek Trail Comment
  HSC61861  Arnica discoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC165318  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou Old trail between Taylor and Cow Creeks Comment
  HSC30475  Arnica discoidea Frederick W. Oettinger 1969-8-9 1323 Siskiyou Along main N Fork trail between Fivemile Stockgate and Abbott's Upper Cabin, Salmon Mtns. 1098 Comment
  HSC22145  Arnica diversifolia J. O. Sawyer 1969-8-3 1775 Siskiyou Near Little Duck Lake 2073 Comment
  SEINET10912115  Arnica diversifolia Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  HSC101399  Arnica lanceolata subsp. prima J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13056 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  CAS-BOT-BC82691  Arnica longifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  RSA237483  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou 0.2 mi due NE of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA417151  Arnica nevadensis M. B. Dunkle 1944-6-26 9044 Siskiyou Deer Creek. 1829 Comment
  CAS-BOT-BC85064  Arnica parryi Gilbert Muth 1966-7-31 476 Siskiyou Damp rocky areas, north side of Black Mountain, Marble Mts. 2057 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  CAS-BOT-BC85022  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mts., Mt. Diablo Mer. 1981 Comment
  CAS-BOT-BC84888  Artemisia campestris subsp. pacifica Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim, Marble Mountains 2194 Comment
  RSA186323  Artemisia douglasiana Gilbert Muth 1966-10-16 10 Siskiyou Marble Mountains 1793 Comment
  UC933414  Artemisia douglasiana Annie Alexander and Louise Kellogg 1948-9-6 5585 Siskiyou South Fork Salmon River Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  CHSC100006  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9491 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  JEPS80593  Aruncus dioicus var. pubescens Gilbert Muth 1966-8-3 497 Siskiyou Marble Valley Marble Mt. Wilderness Area (by creek) 1792 Comment
  HSC43267  Asclepias cordifolia K. Irwin 1977-5-22 384 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  RSA76058  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mtn. 1220 Comment
  UC23009  Asclepias speciosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CDA39832  Asclepias speciosa Gordon Leppig, T. LaBanca 1998-7-11 925 Siskiyou French Creek Road. Comment
  POM76059  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou Dry land near Yreka Comment
  RSA60530  Asclepias speciosa John H. Thomas 1949-6-16 957 Siskiyou Roadside, 2 miles north of Hornbrook. Comment
  UCD121381  Asclepias speciosa J. P. Smith; Steve Selva 1970-7-15 4362 Siskiyou Baldy Mountain Lookout Station. 1722 Comment
  RSA184634  Aster alpigenus Clare B. Hardham 1965-8-20 13047 Siskiyou Cudahy Lakes, Marble Mts. Comment
  CDA6798  Aster novae-angliae T. C. Fuller 1966-10-6 15244 Siskiyou Etna, Scott Valley. 0 Comment
  CHSC71297  Astragalus curvicarpus Vernon H. Oswald; Lowell Ahart 1998-6-11 9183 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northwest of Weed. 1066 Comment
  CDA26673  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2597 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  CAS-BOT-BC186917  Astragalus inversus Dean Wm. Taylor; Rexford E. Palmer; Glenn L. Clifton; Roy Buck 1987-6-24 9049 Siskiyou Vicinity of Mud Well, McCloud River headwaters 1402 Comment
  RSA90176  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou From Lairds Landing to Bray. Comment
  SEINET7040265  Astragalus newberryi var. newberryi A. G. Vestal 1963-6-1 s.n. Siskiyou 3.6 miles northwest of Route 97 on road to Darnnell Reservoir. Southeast part of the Shasta Valley. Comment
  POM45207  Astragalus purshii var. tinctus Geo. D. Butler 1910-5-5 1283 Siskiyou Humbug Mountain. Comment
  UC862792  Astragalus whitneyi L. E. Smith 1913-7-2 Siskiyou Rainbow Comment
  CAS-BOT-BC198701  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1901-8-26 s.n. Siskiyou By trail south Fork Scott Creek - Salmon Mts. Comment
  RSA110164  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  CAS-BOT-BC69575  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  RSA692501  Athyrium americanum M. B. Dunkle 1945-7-19 9230 Siskiyou Cliff above Sky High Lake Comment
  HSC23666  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou Head of Sugar Cr. 1860 Comment
  UC433180  Athyrium filix-femina var. cyclosorum J. G. Lemmon Siskiyou Mt Shasta Comment
  CAS-BOT-BC66196  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-1 1685 Siskiyou Shackleford Creek 1219 Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  SEINET516139  Atriplex rosea Vernon H. Oswald 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1244 Comment
  CHSC35673  Balsamorhiza deltoidea R. E. Preston 1982-5-1 275 Siskiyou Above Irongate Reservoir, ca. 1/2 mi SE of Camp Creek Recreation Area, ca. 20 mi NE of Yreka. 716 Comment
  HSC36816  Balsamorhiza deltoidea J. P. Smith 1974-5-27 7617 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  HSC78189  Barbarea orthoceras L. P. Janeway 1983-7-10 396 Siskiyou Poker Flat 1524 Comment
  SD73172  Bassia hyssopifolia Darley F. Howe 1969-8-31 Siskiyou 4.5 miles south of Dorris on highway 97. 1220 Comment
  CDA11583  Berberis aquifolium var. aquifolium G. F. Hrusa 1995-7-1 12429 Siskiyou Siskiyou Mountains; Along Indian Creek, approx. 10 miles N of Happy Camp. Comment
  CAS-BOT-BC75717  Berberis nervosa J. H. Thomas 1954-5-13 4133 Siskiyou Salmon Mountains. Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC75999  Berberis pumila L. E. Smith 1913-5-4 249 Siskiyou Hornbrook. Comment
  CAS-BOT-BC169476  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC169484  Betula occidentalis Dorothy Parker 1947-4-27 177 -A Siskiyou East Fork of Scott River Plowman's Valley 1158 Comment
  CAS-BOT-BC169485  Betula occidentalis Dorothy Parker 1947-4-27 177 Siskiyou Along the banks of the East Fork of Scott River Plowman's Valley 1158 Comment
  CHSC110508  Betula occidentalis Julie Kierstead Nelson; R. Posey, P. Zika, T. Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  HSC65505  Bistorta bistortoides Rich White 1978-7-3 222 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  CAS-BOT-BC127926  Blepharipappus scaber John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53444 Siskiyou Open serpentine slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC15804  Boechera acutina Thomas W. Nelson; Jane P. Nelson 1980-7-19 6196 Siskiyou Along Forest Service road 29N01 A at Fox Creek ca. 1 mile from junction with Forest Service road 29N01. 1676 Comment
  CAS-BOT-BC16022  Boechera breweri subsp. breweri F. D. Douthitt 1926-3-16 52593 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  SEINET3166348  Boechera breweri subsp. shastaensis P. J. Alexander, C. D. Bailey 2009-4-2 980 -B Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  UC1586875  Boechera divaricarpa Juha Pykala and D. H. Norris 1987-6-26 2041 Siskiyou above Bear Lake; Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC14275  Boechera pinetorum Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  CAS-BOT-BC65366  Boechera platysperma R. C. Wenk 2008-7-23 906 Siskiyou SW side of Mount Shasta, below Panther Meadow. 2269 Comment
  CAS-BOT-BC14673  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC25427  Boechera retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC25432  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2917 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  JEPS53090  Boechera retrofracta Geo. D. Butler 1909-4-24 592 Siskiyou near Yreka (Butler's Ranch) Comment
  SEINET6061781  Boechera rollei David Morin, Rolle, Wayne; Bailey, C. D. 2012-6-27 013 Siskiyou .1 mile southwest of border between Siskiyou National Forest and Klamath National Forest. Pacific Crest Trail 1/4 mi above Lilypad Lake. .7 air mi. SSW of Red Butte Summit. Siskiyou Mountains. Comment
  SEINET12627115 Image available Boechera sparsiflora Martin Schilling 2013-1 MS 337 Siskiyou On Klamath River Rd, off hwy 96 at Ash Creek bridge, ca 1.9 air mi W from bridge, 1.45 air mi N of Garvey Gulch, on rocky roadside 615 Comment
  UC165991  Boechera subpinnatifida Geo. D. Butler 1910-6-1 1446 Siskiyou Yreka Comment
  HSC29121  Botrychium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou Marble Mts. Wilderness Area, inlet of Tobacco Lake 1890 Comment
  JEPS109889  Botrypus virginianus Dean W. Taylor 2005-9-28 19493 Siskiyou Sacramento River Canyon, ca. 2.5 air miles SE of Box Canyon Dam 1036 Comment
  JEPS74518  Boykinia major W. J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake basin 1676 Comment
  CAS-BOT-BC418462  Boykinia major Douglas Barbe 1955-7-4 093 Siskiyou 11 miles south of Etna on the North Fork of French Creek, about 1000' from Parrot Mill Rd.; Klamath Mountains 975 Comment
  RSA84355  Boykinia major F. W. Peirson 1926-7-11 7022 Siskiyou About half way up grade W of Etna or Etna Mills. Comment
  CDA25391  Boykinia major var. major T. C. Fuller, Don Shaw 1974-9-24 20022 Siskiyou Siskiyou Mountains.; Reeves Ranch Springs, east of White Mountain. 0 Comment
  SD61021  Boykinia occidentalis Darley F. Howe 1964-8-7 Siskiyou 8.2 mi. from #96 on Mill Creek Road. Hoopa Valley 1067 Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  POM109930  Brodiaea elegans subsp. elegans Geo D. Butler 1910-5-28 1421 Siskiyou Near Yreka. Comment
  HSC103049  Bromus carinatus var. carinatus J. P. Smith 2014-6-7 13907 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1687 Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  UC204769  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-2 814 Siskiyou near Yreka Comment
  SEINET3921875  Bromus carinatus var. carinatus Jennifer J. Whipple 1978-7-20 2358 Siskiyou Draining into the North Fork of the Sacramento River.; 0 2377 Comment
  CAS-BOT-BC155963  Bromus commutatus William A. Dayton Jr. 1912-7-28 159 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  UC1255319  Bromus diandrus Dorothy Parker 1949-6-16 323 Siskiyou at the entrance to McConahue Gulch (Scott Valley); Scott Valley 853 Comment
  UCD58758  Bromus hordeaceus August L. Hormay 1932-4-20 s.n. Siskiyou Brownwell. Comment
  CAS-BOT-BC162129  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Along the railroad just above Shasta Springs. Comment
  RSA239075  Bromus orcuttianus Frederick W. Oettinger 1969-8-5 1207 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD59704  Bromus sterilis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3389 Siskiyou At Weed near habitations. Comment
  CAS-BOT-BC185601  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  HSC36429  Bromus tectorum J. O. Sawyer 1969-7-9 1216 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC31125  Bromus vulgaris J. O. Sawyer 1971-8-19 2456 Siskiyou 2012 Comment
  HSC48285  Bromus vulgaris J. O. Sawyer, K. Stillman 1978-7-6 3302 Siskiyou Along Happy Camp-O'Brien Rd., above Louse Creek Comment
  HSC68536  Bromus vulgaris Maralyn A. Renner 1980-6-25 1100 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  RSA30370  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  CAS-BOT-BC273225  Cacaliopsis nardosmia Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Along ridge road to Deadwood Lookout, mountains west of Yreka Comment
  HSC23100  Calamagrostis canadensis var. langsdorffii J. O. Sawyer 1969-8-1 1605 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA239130  Calamagrostis koelerioides Frederick W. Oettinger 1968-8-23 605 Siskiyou Below overlook of English Lake, on slope of English Peak, in a meadow on trail to Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC23461  Calamagrostis nutkaensis J. O. Sawyer 1969-8-4 1841 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC85733  Calocedrus decurrens H. A. Thomas; J. H. Thomas 1954-7-27 4558 Siskiyou Salmon - Trinity Mts. about 6 miles SE of Cecilville. Between Mt. Veiw Cabin and S. Fork of Salmon River. 944 Comment
  HSC49916  Calocedrus decurrens Maralyn O'Meara 1974-5-25 396 Siskiyou Along road to Duck Lakes trail 1402 Comment
  JEPS39851  Calocedrus decurrens W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  CAS-BOT-BC488616  Calochortus elegans var. nanus Ellsworth Bethal 1923-5-22 s.n. Siskiyou McCloud Comment
  HSC44581  Calochortus elegans var. nanus Laura Witherspoon 1977-6-22 Siskiyou Off G-O Rd. at the boundary of Humboldt-Siskiyou Counties 1494 Comment
  SEINET10971608 Image available Calochortus greenei Edward L. Greene 1876-7-6 Greene 914 Siskiyou on Table Rock, Little Shasta River. Comment
  CAS-BOT-BC132419  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou Meadow at Tom Young Flat ca. 2 mi. NW of Pondosa 1292 Comment
  CAS-BOT-BC493090  Calochortus nudus W. R. Dudley 1893-6-19 s.n. Siskiyou Woods near Sisson Comment
  CAS-BOT-BC94452  Calochortus nudus R. C. Wenk 2005-7-18 304 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, along Highway 3, Scott Mountain Campground 1650 Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  SEINET8273312  Calochortus nudus Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows above or west of Scott Camp Creek. 1483 Comment
  CAS-BOT-BC132458  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  SEINET8339365  Calochortus persistens Frank Callahan 2007-6-18 Siskiyou Little Cottonwood Peak; ca. 13 miles south of the Oregon State Line. 1500 Comment
  CAS-BOT-BC132629  Calochortus uniflorus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy 1371 Comment
  CAS-BOT-BC181513  Caltha leptosepala Ira L. Wiggins 1950-5-28 12367 Siskiyou Small bog on side of ridge above Grouse Creek, ca. 1.5 mi. from Carmen Lake 1584 Comment
  HSC29439  Caltha leptosepala Frederick W. Oettinger 1968-8-3 379 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Base Camp Meadow at mid-trail between Diamond and Hancock Lakes 2012 Comment
  HSC43363  Caltha leptosepala N. G. Sugihara 1977-5-28 63 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  CAS-BOT-BC273386  Calycadenia fremontii G. D. Carr 1974-9-11 780 Siskiyou 2.0 mi NE of Callahan on Gazelle-Callahan Rd 1007 Comment
  UC1971713  Calycadenia fremontii 1978-8-17 2131 Siskiyou 2.5 mi E of Callahan on the Gazelle-Callahan Road (near GDC 780), no plants at 2.0 mi E of Callahan 1022 Comment
  JEPS82454  Calypso bulbosa Gilbert Muth 1966-7-14 395 Siskiyou Trail to Black Mountain (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1798 Comment
  JEPS127643  Calyptridium monospermum Jurriaan M. de Vos 2014-7-10 313 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, ca. 250 m E from Cook and Green Pass (Forest Road 1055). Comment
  UC725675  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, nr Wagon Creek Falls 1524 Comment
  CAS-BOT-BC221259  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1921-7-24 10734 Siskiyou Castle Lake Comment
  UC796590  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11865 Siskiyou 8 mi from summit Gazelle Mt. grade (e side); 8 mi from summit Gazelle Mt. grade 929 Comment
  UCR21091  Camassia leichtlinii subsp. suksdorfii T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 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
  CAS-BOT-BC36998  Camelina microcarpa Bellue 1933-7-1 s.n. Siskiyou Dunsmuir and Yreka. Comment
  JEPS11740  Campanula prenanthoides W. L. Jepson 1914-8-14 6172 Siskiyou Dunsmuir 670 Comment
  UC456046  Campanula prenanthoides I. J. Condit 1911-7-3 Siskiyou along RR and on mt. sides Shasta Retreat Comment
  SEINET10463087  Campanula prenanthoides Kelley KELLEY s.n. Siskiyou SHASTA SPRINGS Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10463200  Campanula prenanthoides Rexford REXFORD s.n. Siskiyou S SIDE OF SHAFT-ROCK HUT(?), HILT Comment
  SEINET10463249  Campanula prenanthoides Thomas 1954-7-21 Thomas 4384 Siskiyou SALMON-TRINITY MTS CA 6 MI SE OF CECILVILLE, W SIDE RUSH CREEK. 975 Comment
  SEINET12271820  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  JEPS16326  Campanula rotundifolia Peter H. Raven 1956-9-5 10457 Siskiyou North Fork of the Sacramento River 2011 Comment
  SEINET10464347  Campanula rotundifolia Albert Kellogg 1853-8-5 Kellogg 108 Siskiyou Cabin Meados, 1 miles north of Cory Peak, Klamath NAtional Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road) 1844 Comment
  SD88346  Campanula scouleri Darley F. Howe 1972-7-6 4877 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp. 1645 Comment
  SEINET10463604  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou SISSON, MT. SHASTA Comment
  SEINET10463791  Campanula scouleri Hemphill 1970-7-5 HEMPHILL s.n. Siskiyou Buck Lake 1311 Comment
  UC166131  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley Comment
  UC922349  Cardamine cordifolia var. lyallii Annie M. Alexander and Louise Kellogg 1949-7-24 5856 Siskiyou trail to Bear Lake (Paradise Lake); Marble Mountains, , trail to Bear Lake 1920 Comment
  JEPS53323  Cardaria draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka Comment
  UC165307  Cardaria draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka Comment
  HSC69106  Carex aquatilis Maralyn A. Renner 1980-8-6 2301 Siskiyou Cracker Meadow 1555 Comment
  CHSC40170  Carex aquatilis var. dives L. P. Janeway 1982-7-2 36 Siskiyou At Poker Flat, at end of rd 18N33. 1524 Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  SEINET10585659  Carex aurea A. Arthur Heller 1905-6-22 Heller 8096 Siskiyou Between Igerna and Weed. Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CHSC96545  Carex brainerdii L. P. Janeway 2006-7-2 8729 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  CAS-BOT-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 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
  RSA610959  Carex densa L. C. Wheeler 1935-5-11 3475 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC39254  Carex echinata subsp. echinata J. O. Sawyer 1969-8-4 1902 Siskiyou Above S Sugar Lake 2043 Comment
  HSC39845  Carex echinata subsp. echinata J. O. Sawyer 1969-7-25 1563 Siskiyou Above High Lake 2104 Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  POM229215  Carex echinata subsp. echinata L. C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC195510  Carex feta Geo. D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  UCD77468  Carex fracta Robert E. Preston 2003-7-29 2167 Siskiyou Rainbow Mountain 1785 Comment
  UC1025114  Carex gigas Douglas Barbe 1955-7-9 145 Siskiyou small stream at sw shore Klamath Mountains, Scott Mtns., Kangaroo Lake 1828 Comment
  SEINET10650708  Carex halliana Taylor 1987-8-9 Taylor 9269 Siskiyou Medicine Lake Area, extreme northeastern portion of county. Common on white pumice on floor of Alcohol Crater, SE 1/4 Section 7, T43N, R4E. Under Pinus contorta canopy, with few other herbaceous taxa: Eriogonum marifolium, Penstemon cinicola, Juncus balticus. Comment
  JEPS109561  Carex hassei Dean W. Taylor 2002-7-21 18270 Siskiyou Scott Mountains, The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CHSC95997  Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CHSC98374  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7701 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  HSC76846  Carex integra L. P. Janeway 1982-8-13 129 Siskiyou 50 m from SW edge of Bear Lake 1829 Comment
  CDA33095  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  CHSC95090  Carex laeviculmis L. P. Janeway 2006-7-2 8743 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61, at alder-shaded creek on steep north-facing slope. Along seepy road side-drainage to the creek. 1554 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  SEINET7563561 Image available Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Just N of Tobacco Lake. High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  HSC39282  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-12 1350 Siskiyou Edge of Sugar Lake 1799 Comment
  JEPS109242  Carex lenticularis var. lipocarpa D. W. Taylor 2005-8-18 19481 Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  RSA237288  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou North side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET7564650 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Tom's Lake. 2012 Comment
  RSA13905  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  UCD140533  Carex luzulina Robert E. Preston 2001-6-30 1655 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  JEPS109246  Carex luzulina var. ablata D. W. Taylor 2005-8-18 19481 b Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  UC642547  Carex luzulina var. ablata W. Bridge Cooke 1939-7-7 13619 Siskiyou Sedge Swamp at Wagon Camp Mount Shasta 1737 Comment
  RSA237258  Carex luzulina var. ablata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1291 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  JEPS109227  Carex luzulina var. luzulina D. W. Taylor 2005-8-18 19466 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  HSC29632  Carex mariposana Frederick W. Oettinger 1969-8-13 1357 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, on trail from Diamond Lake to Crapo View Gap 2439 Comment
  CHSC107137  Carex microptera R. E. Brainerd 2009-7-22 1550 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  JEPS63498  Carex multicaulis W. L. Jepson 1940-6-27 20043 Siskiyou e slope, Mt. Shasta Mt. Shasta 2133 Comment
  HSC77037  Carex multicostata K. T. Stillman 1976-6-17 18 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  HSC9  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1677 Comment
  HSC91358  Carex multicostata Jennifer Whipple 1978-10-6 2407 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  SEINET7568499 Image available Carex multicostata John Thomas Howell 1939-8-6 15108 Siskiyou Marble Mts, Elk, Mt. Comment
  JEPS63628  Carex nebrascensis Geo. D. Butler 1909-6-13 808 Siskiyou Oro Fino Comment
  CAS-BOT-BC119683  Carex nervina John Thomas Howell 1939-8-7 15119 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS113332  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. Comment
  CAS-BOT-BC119677  Carex nervina William Bridge Cooke 1938-7-15 11255 Siskiyou Spring meadow, Mt. Shasta 1737 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  CAS-BOT-BC119291  Carex occidentalis John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC76655  Carex pachystachya K. T. Stillman 1976-7-23 296 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC76949  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS102965  Carex pachystachya L. P. Janeway 2002-7-12 7624 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  RSA577439  Carex pachystachya L. C. Wheeler 1935-7-26 3718 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC118936  Carex pellita W. R. Dudley 1905-8-3 s.n. Siskiyou Upper Sacramento below Weed and Sheldon Hill. Comment
  JEPS25657  Carex preslii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7300 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley, just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  RSA755707  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  CAS-BOT-BC118794  Carex preslii William Bridge Cooke 1939-7-13 13666 Siskiyou Above Panther Creek Meadows. 2499 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
  HSC69103  Carex rostrata Maralyn A. Renner 1980-8-4 2227 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC117912  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  CHSC71607  Carex scabriuscula Vernon H. Oswald 1998-8-3 9442 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
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Dec 24 2010
  HSC82381  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4535 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET3908064  Carex scopulorum K. Morris, Conrad; Dunn 1973-6-2 346 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263.; 0 Comment
  UC1255  Carex scopulorum var. bracteosa W. H. Brewer Sep 1862 1458 Siskiyou near Shasta City; Mt. Bally Comment
  HSC96591  Carex scopulorum var. bracteosa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 480 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CDA33145  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2769 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  SEINET7575204 Image available Carex serratodens David Castaner 1989-6-19 10241 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  UCR52394  Carex sitchensis L. P. Janeway 1983-7-24 453 Siskiyou Slope between upper & lower parts of meadow at Poker Flat. 1524 Comment
  CAS-BOT-BC117241  Carex spectabilis Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38949 Siskiyou S slope Mt. Shasta, Panther Creek Meadows. Mt. Shasta National Forest. 2194 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC642543  Carex spectabilis J. W. Stacey 1939-7-26 13748 Siskiyou in west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  HSC776  Carex subfusca William J. Ferlatte 1967-8-17 951 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC115844  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Mt Shasta. 1981 Comment
  SEINET10912836  Carex subfusca George D. Butler 1910-5-29 Butler 1426 Siskiyou Slough near Yreka. Comment
  SEINET13260545  Carex subfusca P. E. Hyatt 2002-7-31 11135 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  CHSC40130  Carex utriculata L. P. Janeway 1982-7-2 38 Siskiyou At Poker Flat. At bottom of break between upper and lower portions of meadow. 1524 Comment
  RSA238960  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Along the west shoreline of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC62032  Cassiope mertensiana subsp. ciliolata Al Hobart Siskiyou Preston Peak Comment
  JEPS83016  Castilleja angustifolia L. R. Heckard 1984-5-15 6159 Siskiyou w of Mt. Shasta (along U.S. Hwy 97, about 7 mi n of junction with Interstate Route 5 in Weed) 1066 Comment
  POM44685  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek. 1677 Comment
  SBBG6729  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-6-29 2196 Siskiyou side of Mt Shasta 1219 Comment
  CAS-BOT-BC243760  Castilleja applegatei var. pinetorum Annie M. Alexander; Louise Kellogg 1949-7-22 5845 Siskiyou Top of ridge, trail to Kings Castle, Paradise Lake, Marble Mountains 1920 Comment
  JEPS84015  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
  UC1408796  Castilleja arachnoidea Robert F. Thorne and Fred Oettinger 1969-8-10 39007 Siskiyou s slope Mt. Shasta (slopes above ski-lodge); Mt. Shasta National Forest 2377 Comment
  UC705755  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-4 2190 Siskiyou ridge above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  UC725615  Castilleja arachnoidea A. A. Heller 1940-7-25 15770 Siskiyou about Horse Camp; Mt. Shasta 2438 Comment
  RSA237567  Castilleja arachnoidea Frederick W. Oettinger 1967-8-4 270 Siskiyou Trail from English Peak Lookout on southwest ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  POM259363  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-8 15182 Siskiyou Marble Mountains: Black Mountain. Comment
  UC1096817  Castilleja lacera Milo S. Baker 1957-6-16 13164 Siskiyou near Callahan (after turn-off, trip to Scott Mt.) Comment
  CAS-BOT-BC254010  Castilleja miniata Geo. D. Butler 1910-6-3 06031910 Siskiyou Quartz Valley Comment
  CAS-BOT-BC254100  Castilleja miniata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC254115  Castilleja miniata Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  UC725309  Castilleja miniata A. A. Heller 1940-7-24 15751 Siskiyou outlet of Castle Lake Comment
  SBBG21825  Castilleja miniata subsp. miniata D. Myrick 1964-7-25 964 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  RSA0010947  Castilleja minor subsp. minor L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1978-7-18 4872 Siskiyou West of Table Rock, 9 air miles east of Montague. 854 Comment
  CAS-BOT-BC241050  Castilleja pilosa L. E. Smith 1913-5-27 282 Siskiyou Weed Comment
  HSC72442  Castilleja pruinosa J. P. Smith, Steve Selva 1970-7-15 4363 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC76889  Castilleja pruinosa K. T. Stillman 1976-7-7 154 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 Comment
  HSC72571  Castilleja pruinosa J. P. Smith 1976-5-4 8668 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  SEINET14165243  Castilleja pruinosa G. D. Butler 1910-5-1 1259 Siskiyou Humbug Mountain. 1219 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
  CAS-BOT-BC48656  Ceanothus cordulatus Alice Eastwood 1923-5-23 11904 Siskiyou Cantara Comment
  CAS-BOT-BC48697  Ceanothus cordulatus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson 1219 Comment
  HSC31491  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  HSC71079  Ceanothus cuneatus M. A. Baker 1980-6-20 2200 Siskiyou Near Bald Mtn. 1036 Comment
  RSA399045  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  HSC25662  Ceanothus integerrimus J. O. Sawyer 1969-8-18 2020 Siskiyou SE facing midslope near CCC Rd. Comment
  RSA136296  Ceanothus integerrimus var. californicus Geo. D. Butler 1920-5-21 1381 Siskiyou Sikiyou county: Klamath hills Comment
  CAS-BOT-BC52118  Ceanothus prostratus Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  JEPS42384  Ceanothus velutinus W. L. Jepson July 1894 14014 Siskiyou Sisson Comment
  LA45114  Ceanothus velutinus Wm. Bridge Cooke; 1939-7-14 13692 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA463117  Ceanothus velutinus S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  UC61164  Ceanothus velutinus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sissoon Mount Shasta, Sisson Comment
  HSC92158  Ceanothus velutinus var. velutinus Jennifer Whipple 1976-7-8 1369 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  CHSC4718  Centaurea cyanus R. Carter 1966-5-15 400 Siskiyou Ca. 5 mi. N of Callahan along w side road on W side Scott R. 914 Comment
  CAS-BOT-BC272105  Centaurea cyanus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mi. north of Weed Comment
  POM351527  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mile east of O'Neill Campground 579 Comment
  CDA37702  Centaurea squarrosa Breckenridge 2006-7-15 s.n. Siskiyou Weed, Terrace Drive, near Siskiyou College. 0 Comment
  CAS-BOT-BC288801  Centromadia fitchii Carl B. Wolf 1927-8-26 1003 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  HSC19081  Cephalanthera austiniae J. O. Sawyer 1969-7-23 1175 Siskiyou Along road near Horse Range Creek. 1341 Comment
  CDA3354  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2778 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CHSC96778  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Northern California. Siskiyou County. B.M. Long property, Little Shasta Rd, 5 mi E of Montague. Comment
  UCD98001  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UC1174945  Cercis occidentalis P. C. Everett and E. K. Balls 1959-10-24 23946 Siskiyou 7 mi sw from Red Bank F.S. Camp (on road from Sawyers Bar to Somesbar) Comment
  SEINET10907015  Cercis occidentalis LeRoy E. Detling 1947-6-2 Detling 6043 Siskiyou 1 mi. west of Hamburg. T46N R11W S26 427 Comment
  UCD113081  Cercocarpus betuloides var. macrourus Delbert W. Hubbs 1975-10-8 s.n. Siskiyou Near Callahan. 1219 Comment
  RSA60635  Cercocarpus ledifolius I. L. Wiggins 1950-5-28 12377 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  CAS-BOT-BC148523  Cercocarpus ledifolius var. ledifolius C. Hart Merriam 1919-10-12 s.n. Siskiyou Mts. between Yreka & Ft. Jones (north or Yreka side of grade). Comment
  UC466591  Cercocarpus ledifolius var. ledifolius Annie M. Alexander and Louise Kellogg 1911-6-27 163 Siskiyou Wildcat Peak 2194 Comment
  JEPS34167  Chaenactis douglasii var. douglasii Geo. D. Butler 1908-6-28 332 Siskiyou Oro Fino Comment
  CAS-BOT-BC276764  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-8-3 10006 Siskiyou Near and S of Sconchin Butte, Lava Beds National Butte Comment
  CAS-BOT-BC276778  Chaenactis douglasii var. douglasii A. A. Heller 1916-6-23 12431 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  JEPS52290  Chaenactis suffrutescens Wayne Roderick 1966-6-26 Siskiyou 6 mi from either Fort Jones or Etna (in Scott Valley); Scotts Valley 853 Comment
  RSA782330  Chaenactis suffrutescens R. W. Spjut, Paul Burchstead 2008-6-12 16339 Siskiyou Klamath Region. Scott Valley, South Kidder Creek west of Greenview on north side of Hwy. 3, between Fort Jones and Etna 860 Comment
  HSC19311  Chamaecyparis lawsoniana J. O. Sawyer 1968-9-11 699 Siskiyou Slopes above Twin Valley 1463 Comment
  RSA593940  Chamaecyparis lawsoniana L. C. Wheeler 1963-9-5 8350 Siskiyou Siskiyou Mountains. Sanger Lake. Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  HSC81200  Chamaesaracha nana Thomas W. Nelson, Jane P. Nelson 1980-7-5 5965 Siskiyou Fowler's Campground 1006 Comment
  RSA0030885  Chamaesyce Louis C. Wheeler 1935-7-4 3652 Siskiyou Yreka. 800 Comment
  SBBG25916  Chamaesyce serpillifolia subsp. serpillifolia D. Myrick 1966-8-9 1511 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SBBG25891  Chamerion angustifolium D. Myrick 1966-8-10 1529 Siskiyou trail to Salmon Crk Trail, Mtn Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC166096  Chamerion angustifolium subsp. circumvagum H. A. Thomas; J. H. Thomas 1954-7-23 4464 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecileville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC68206  Cheilanthes gracillima Mrs. H. C. Cantelow 1936-5-20 1379 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC68244  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CHSC50  Cheilanthes gracillima V. Holt 1932-7-24 Siskiyou Mt. Eddy. Comment
  HSC19171  Cheilanthes gracillima J. O. Sawyer 1969-6-10 808 Siskiyou S face near Sugar Lake 1829 Comment
  HSC377  Cheilanthes gracillima William J. Ferlatte 1967-6-30 601 Siskiyou Josephine Lake basin 1677 Comment
  UC1037348  Cheilanthes gracillima Leo Whitney 1935-7-15 3484 Siskiyou 2 mi se Medicine Lake (lava ledge near Bullseye Lake) Comment
  UC335137  Cheilanthes gracillima unknown Nov. 1891 Siskiyou near Sisson (Box Canyon) Comment
  RSA239012  Cheilanthes gracillima Frederick W. Oettinger 1966-6-22 27 Siskiyou Salmon River district, Klamath 1829 Comment
  HSC65141  Chenopodium album J. P. Smith, Steve Selva 1970-7-17 4435 Siskiyou 915 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
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  CAS-BOT-BC451438  Chimaphila menziesii S. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  UCR222516  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 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
  CDA1896  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. 0 Comment
  CAS-BOT-BC30102  Chrysolepis L. B. Kildale 1930-6-1 9789 Siskiyou Black Bear trail to Sawyers Bar Comment
  CAS-BOT-BC36382  Chrysolepis chrysophylla W. R. Dudley 1907-8-18 s.n. Siskiyou Moraine of Jacksons Lake Comment
  CAS-BOT-BC36391  Chrysolepis chrysophylla G. P. Rixford no date s.n. Siskiyou Hilt Comment
  OBI55439  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  CAS-BOT-BC36248  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13518 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  POM166644  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson. 1067 Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  UC5442  Chrysolepis sempervirens Milo S. Baker 1893-8-17 Siskiyou near mouth Sacramento Canyon; Squaw Valley Mts. Comment
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1
  RSA17745  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument. Comment
  POM211818  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-8-26 3223 Siskiyou Trapper Creek. 1860 Comment
  UC1598730  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Sisson Comment
  HSC19053  Cinna latifolia J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  RSA183678  Circaea alpina subsp. pacifica Gilbert Muth 1965-8-18 237 Siskiyou Marble Mountains: beside Black Mt. Comment
  RSA237259  Circaea alpina subsp. pacifica Frederick W. Oettinger 1967-6-28 132 Siskiyou Kelly Gulch, tributary of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 677 Comment
  CAS-BOT-BC285343  Cirsium andersonii Alice Eastwood 1912-7-23 1354 Siskiyou Cantara 834 Comment
  CDA1026  Cirsium andersonii M. R. Pryor 1950-7-26 s.n-A Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  LA99567  Cirsium ciliolatum T. C. Fuller; D. H. Shaw 1978-7-5 20246 Siskiyou N side of York Road, 0.3 km. E of Bryant-Willow Creek Road, 15 km. N of Montague Comment
  CDA1185  Cirsium cymosum T. C. Fuller 1978-7-5 20245 Siskiyou 17.5 km NE of Montague; N side of Willow Creek Rd., 2.7 km east of York Rd. 0 Comment
  CAS-BOT-BC278035  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou 2 miles from Yreka on Ft. Jones road 807 Comment
  HSC5394  Cirsium cymosum R. C. Wunner 1965-6-29 308 Siskiyou 1/4 mi. above Indian Well Campground; California Lava Beds N.M. 1433 Comment
  UC165432  Cirsium cymosum var. cymosum Geo. D. Butler 1910-6-6 1456 Siskiyou Quartz Valley Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC279887  Cirsium douglasii var. breweri W. R. Dudley 1901-8-25 s.n. Siskiyou By trail to Criol's Jackson Creek - Salmon Mts. Comment
  HSC68040  Cirsium occidentale var. candidissimum J. P. Smith, Steve Selva 1970-6-17 4095 Siskiyou 6 mi. E of Somes Bar 259 Comment
  RSA50183  Cirsium occidentale var. candidissimum E. K. Balls 1949-7-8 13924 Siskiyou Between Callahan and Etna 915 Comment
  SFV5116  Cirsium occidentale var. candidissimum B. C. Templeton 1957-6-22 s. n. Siskiyou North of Yreka. Comment
  CAS-BOT-BC288768  Cirsium remotifolium John Thomas Howell 1939-8-7 15112 Siskiyou Sky High Valley, Marble Mts 1828 Comment
  HSC152  Cirsium remotifolium William J. Ferlatte 1966-8-3 263 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC34345  Cirsium remotifolium J. P. Smith, J. O. Sawyer 1973-8-14 7302 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CAS-BOT-BC288774  Cirsium remotifolium C. G. Pringle 1882-8-28 s.n. Siskiyou Unspecified Comment
  CDA1577  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 -A Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CAS-BOT-BC163183  Clarkia lassenensis Lewis S. Rose 1945-6-18 45081 Siskiyou Horse Creek & Klamath River 502 Comment
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  UC1034589  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  UC903388  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 Siskiyou Yreka Comment
  CAS-BOT-BC164976  Clarkia rhomboidea J. H. Thomas 1949-6-16 948 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest Comment
  POM101992  Claytonia parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou Near Yreka. Comment
  RSA238295  Claytonia rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC443816  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  HSC41078  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-3 2053 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  UC1408942  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake basin Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1828 Comment
  HSC30232  Claytonia rubra subsp. rubra William J. Ferlatte 1968-6-8 1131 Siskiyou Big Flat, near campground 1524 Comment
  RSA60492  Claytonia sibirica John H. Thomas 1949-6-16 943 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
  CAS-BOT-BC92757  Clematis ligusticifolia Alice Eastwood 1912-7-23 1349 Siskiyou Cantara. Comment
  CAS-BOT-BC92768  Clematis ligusticifolia Lewis S. Rose 1945-6-22 45168 Siskiyou Beaver Creek & Klamath River. 548 Comment
  POM149886  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  CHSC95116  Clintonia uniflora L. P. Janeway 2006-7-2 8741 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC33976  Collinsia parviflora J. P. Smith 1974-5-25 7468 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC618897  Collinsia parviflora W. Bridge Cooke 1938-7-1 11129 Siskiyou below Wagon Camp (Mount Shasta); Mount Shasta 1676 Comment
  JEPS7273  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley Comment
  JEPS6172  Collinsia rattanii Geo. D. Butler 1909-5-30 758 Siskiyou Hamburg rd from Yreka Comment
  SEINET13406232  Collinsia rattanii G. D. Butler 1910-4-16 1188 Siskiyou Klamath [River] Bluffs. Comment
  UC643298  Collinsia rattanii W. Bridge Cooke 1930-6-27 15196 Siskiyou near the old logging road up the n side of the mountain from Hotlum Station (Mount Shasta); Mount Shasta 1371 Comment
  RSA237358  Collinsia torreyi Frederick W. Oettinger 1967-6-24 115 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC885599  Collinsia torreyi var. latifolia John Thomas Howell 1937-7-21 13181 Siskiyou South Fork Salmon River near Big Flat (Trinity Alps); , South Fork Salmon River 1524 Comment
  CAS-BOT-BC229542  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  JEPS70994  Collomia grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 14995 Siskiyou Sisson Region of the Upper Sacramento Comment
  RSA105487  Collomia grandiflora G. D. Barbe 1955-7-1 067 Siskiyou 0.5 mile east of Etna at a burned lumber mill. 854 Comment
  RSA12614  Collomia grandiflora C. B. Wolf 1934-7-5 5971 Siskiyou 6-6/10 mi. from Dry Lake Lookout on rd. to Oak Knoll R. S. on Klamath River 1524 Comment
  UC164148  Collomia grandiflora Geo. D. Butler 1908-7-2 440 Siskiyou along creek near Yreka Comment
  HSC19057  Collomia heterophylla J. O. Sawyer 1969-7-1 959 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  RSA409237  Collomia heterophylla M. B. Dunkle 1944-7-1 9060 Siskiyou Siskiyou Natl. Forest 1829 Comment
  UC1347199  Collomia linearis John Thomas Howell 1937-7-22 13262 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  POM75193  Collomia tinctoria Geo D. Butler 1910-5-30 1424 Siskiyou Humbug Creek, Siskiyou County 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
  RSA0124650  Collomia tracyi D. H. Wilken, E. Painter 1976-7-17 12710 Siskiyou Along road between Cicilville & Callahan, near confluence of Sixmile Creek & Salmon River. 1280 Comment
  UC60933  Convolvulus arvensis Geo. B. Grant September, 1902 5219 Siskiyou Sisson Mount Shasta (railway bank) 914 Comment
  UC143609  Corallorhiza maculata Dr. E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy 1371 Comment
  HSC19042  Corallorhiza mertensiana J. O. Sawyer 1969-7-24 1518 Siskiyou W of Sugar Lake 1890 Comment
  RSA237635  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Woods across meadow from base camp, Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  RSA381991  Corallorhiza mertensiana M. B. Dunkle 1944-7-4 9066 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  CAS-BOT-BC32966  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  UCD123171  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. 1304 Comment
  JEPS86235  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1979-8-28 5160 Siskiyou 1 mi s of downtown Dunsmuir (below Hwy 5) 822 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  HSC36710  Cornus canadensis Brent Whitely 1975-7-8 148 Siskiyou 762 Comment
  CAS-BOT-BC212279  Cornus glabrata C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC212055  Cornus nuttallii J. H. Thomas 1954-5-13 4162 c Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC212070  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou Walker Creek, a tributary of the Klamath River, east end of Seiad Valley 609 Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  UC618768  Cornus nuttallii W. Bridge Cooke 1938-6-17 11038 Siskiyou Sisson Southern Trail Mt. Shasta Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  CAS-BOT-BC210392  Cornus sericea Doris K. Kildale 1928-8-18 6424 Siskiyou North Fork Salmon River at Finley Camp Comment
  CAS-BOT-BC210411  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  UC336460  Cornus sericea subsp. sericea J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  RSA238881  Crepis acuminata Frederick W. Oettinger 1967-7-26 197 Siskiyou Northeastern end of Crapo Peak ridge. Salmon Mountains: High lake basins in the vicinity of English Peak, Marble Mountains wilderness area; ca 2195 Comment
  JEPS107477  Crepis bakeri Lowell Ahart, John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC291529  Crepis intermedia Louis C. Wheeler 1934-6-29 2829 Siskiyou Soda Creek, Klamath Forest 1066 Comment
  CAS-BOT-BC299652  Crepis monticola Geo. D. Butler 1910-5-1 148 Siskiyou Near Yreka Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  JEPS36499  Crepis occidentalis Harley P. Chandler June, 1901 1644 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC313844  Crepis occidentalis subsp. occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  CAS-BOT-BC290842  Crepis occidentalis subsp. pumila Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  CAS-BOT-BC376472  Crepis pleurocarpa Gilbert J. Muth 1969-8-6 1256 Siskiyou Boulder Peak Ridge Comment
  HSC58899  Crepis pleurocarpa Marvin Butler 1971-7-20 167 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1585 Comment
  SEINET10474591  Crepis pleurocarpa Mary Merello 1993-6-22 Merello 698 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  RSA183735  Crepis pleurocarpa Gilbert Muth 1965-8-11 207 Siskiyou Upper meadows, Marble Valley, Marble Mts. Comment
  SEINET11859968  Crepis pleurocarpa Unknown 1953-1 126 Siskiyou Blue Point, Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  HSC2180  Crocidium multicaule L. C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek 854 Comment
  UC129571  Crocidium multicaule F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  UC78394  Cryptantha affinis Katharine Curran Jul 1887 Siskiyou Sisson's Comment
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Mar 27 2016
  HSC99209  Cryptantha affinis J. O. Sawyer 1969-7-1 967 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  JEPS101142  Cryptantha intermedia Dean W. Taylor 1996-6-18 15724 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  UC1731387  Cryptantha milobakeri Dean Wm. Taylor with Joe Molter 1998-6-17 16560 Siskiyou base of hillslopes ca. 3 mi s Gazelle (bordering Shasta Valley (ca. 14 air mi s <of> Yreka)); Klamath Region, Scott Mountains 1036 Comment
  HSC33977  Cryptantha muricata var. jonesii J. P. Smith 1974-5-25 7441 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CHSC75685  Cryptantha torreyana Vernon H. Oswald; Lowell Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  UC857280  Cryptantha torreyana John Thomas Howell 1937-7-29 13655 Siskiyou between Trinity and Siskiyou County; Scott Mountain Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  HSC68537  Cryptogramma acrostichoides Maralyn A. Renner 1980-6-25 1102 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  SEINET11711703  Cryptogramma acrostichoides C. G. Pringle 1881-1 s.n. Siskiyou Mount Shasta 2286 Comment
  NY16594  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1 mile northeast of Timbered Center, Modoc Lava Beds on old stageroad from Dana to Little Hot Springs Valley 1219.2 Comment
  NY16600  Cupressus bakeri J. P. Carson 1978-1-12 273 Siskiyou Lassen National Forest, Hat Creek Ranger District. Timbered Crater, 16 miles north of Fall River Mills Comment
  RSA17603  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  RSA352344  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 61167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  CAS-BOT-BC85553  Cupressus macnabiana Carl B. Wolf 1930-10-19 1006 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  RSA792359  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tule Lake. Growing in potato field. Comment
  UC455926  Cycladenia humilis var. humilis I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta 1524 Comment
  RSA757951  Cymopterus terebinthinus var. californicus Barbara Ertter, Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 79 northeast of Weed Comment
  CDA37843  Cynoglossum occidentale Ashley Knight 2012-7-16 PDR# 470 P06027572 Siskiyou East of Mt. Shasta City, north of Old McCloud/31 road, Shasta/Trinity National Forest. 0 Comment
  SEINET3153057  Cynoglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Phackleford creek Comment
  HSC7281  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  RSA610958  Cyperus erythrorhizos L. C. Wheeler 1935-7-20 3673 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC70705  Cystopteris fragilis L. B. Kildale 1930-6-1 9777 Siskiyou Black Bear Trail to Sawyers Bar Comment
  HSC50061  Cystopteris fragilis Terry Griswold 1979-7-24 9129 Siskiyou Near Hemlock Lake, close to the town of Macdoel 1988 Comment
  CAS-BOT-BC70717  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  HSC39657  Dactylis glomerata J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-4 5738 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  CAS-BOT-BC192259  Danthonia californica Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area 2042 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  HSC66361  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou 0.1 mi. SW of Big Carmen Lake, on S side of 40N08, 2.3 mi. NE of its junction with Hwy. 3 at Scott Mt. Summit. 1738 Comment
  JEPS19772  Darlingtonia californica Rimo Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou springy bog at w end Gumboot Lake (head of South Fork of Sacramento River, close to Trinity County line) 1859 Comment
  RSA331959  Darlingtonia californica W. Kelly, Walter Wisura 1985-7-31 4077 Siskiyou Kangaroo Lake, near camp site Comment
  UCD168822  Darlingtonia californica Barry Rice 2015-8-14 BR 150801 Siskiyou Southwest shore of Castle Lake. 1660 Comment
  CAS-BOT-BC420660  Darmera peltata Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  JEPS49587  Darmera peltata Geo. D. Butler 1908-8-21 220 Siskiyou Etna Creek; Salmon road crossing 1219 Comment
  HSC64753  Dasiphora fruticosa J. P. Smith, Steve Selva 1970-7-17 4451 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS94261  Delphinium andersonii Vernon H. Oswald and Lowell Ahart 1998-6-11 9227 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
  UC1733716  Delphinium andersonii Frank Gould, Kay H. Beach 1940-5-15 1241 Siskiyou Bull Meadows Comment
  RSA105391  Delphinium decorum subsp. tracyi G. D. Barbe 1955-7-6 134 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC8758  Delphinium glaucum M. B. Dunkle 1945-8-2 9272 Siskiyou Paradise Lake, Klamath National Forest 1828 Comment
  HSC40241  Delphinium nudicaule J. P. Smith 1976-5-5 8693 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  JEPS86113  Delphinium nudicaule Wayne Roderick 1966-7-23 Siskiyou on creek ca 1 mi w Mt. Shasta City (nw-facing slope a few ft above creek); Wagon Creek Comment
  POM216197  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  SEINET5338041  Delphinium nudicaule G. Butler 1910-5-7 1299 Siskiyou in thickets, dry hills near Yreks. Comment
  CAS-BOT-BC116155  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  HSC734  Delphinium nuttallianum William J. Ferlatte 1966-6-22 88 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC77027  Delphinium nuttallianum K. T. Stillman 1976-6-25 50 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  JEPS84232  Delphinium nuttallianum L. R. Heckard with J. Hickman et al. 1986-7-17 6518 Siskiyou e Condrey Mt. (n-facing cliffs); Alex Hole 1960 Comment
  CAS-BOT-BC116170  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Scott Bar, Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC118069  Delphinium nuttallianum H. E. Brown 1897-6-11 s.n. Siskiyou North side Mt. Shasta 2743 Comment
  CAS-BOT-BC118072  Delphinium nuttallianum George Dexter Butler 1909-6-22 901 Siskiyou Goosenest foothills Comment
  RSA49961  Delphinium nuttallianum E. K. Balls 1949-7-8 13899 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  HSC26573  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  CAS-BOT-BC192468  Deschampsia cespitosa subsp. cespitosa Doris K. Kildale 1929-7-20 8703 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  UC204781  Deschampsia danthonioides Geo. D. Butler 1908-6-25 477 Siskiyou along creek near Yreka (Butler's Ranch); Butler's Ranch Comment
  CAS-BOT-BC201933  Deschampsia elongata L. P. Janeway 1983-9-11 662 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC39669  Deschampsia elongata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5731 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  RSA238395  Deschampsia elongata Frederick W. Oettinger 1969-9-4 1633 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC65374  Descurainia incana R. C. Wenk 2005-7-15 232 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. 1828 Comment
  RSA47783  Descurainia incisa subsp. filipes Roxana S. Ferris, Laura Lorraine 1948-6-12 1854 Siskiyou 1.5 miles below summit of Gazelle Mtn Grade, E side. 1418 Comment
  CHSC33173  Descurainia pinnata subsp. halictorum R. E. Preston 1981-5-2 57 Siskiyou S side of Irongate Reservoir, ca. 32 km ne of Yreka. 732 Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  HSC67514  Dicentra formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC59009  Dicentra pauciflora Marvin Butler 1971-7-16 141 Siskiyou Near El Capitan Lake, close to the town of Cave Junction Comment
  CAS-BOT-BC290998  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC153457  Diplacus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  SEINET208779  Diplacus layneae Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2116 Siskiyou 5 mi N of Mt Shasta at Black Butte on old highway 1195 Comment
  CAS-BOT-BC153724  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  SEINET8250644  Diplacus nanus J. M. Tucker 1963-7-7 3724 Siskiyou in vicinity of Pradise Lake, at the base of Kings Castle on the east side, MArble Mountain Wilderness Area. 1981 Comment
  CDA6685  Dipsacus fullonum T. C. Fuller 1959-10-14 3126 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  UCD137488  Dipsacus fullonum P. B. Schultz 1967-7-12 86 Siskiyou in town of Mt. Shasta across street from hospital. 1097 Comment
  HSC29231  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW side of Upper English Lake 1768 Comment
  RSA238740  Dodecatheon alpinum Frederick W. Oettinger 1968-8-13 502 Siskiyou Open wet meadow at Hancock Lake inlet; Red Fir Forest. Cold snow melt brook flows into the lake here. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC63073  Dodecatheon hendersonii David Wheeler 1979-4-1 14 Siskiyou Haypress Meadows turnoff along the Salmon River, 1/4 mi. from S.R. 96 Comment
  UC54922  Dodecatheon jeffreyi W. T. Mooney June, 1902 Siskiyou Yreka Comment
  UC922512  Dodecatheon jeffreyi Annie M. Alexander and Louise Kellogg 1949-7-28 5883 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  HSC77078  Draba pterosperma K. T. Stillman 1976-6-16 2 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC165378  Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain 1524 Comment
  HSC68983  Drymocallis glandulosa Maralyn A. Renner 1980-7-24 2001 Siskiyou Lily Pad Lake 1768 Comment
  HSC86540  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1982 Comment
  HSC101398  Drymocallis glandulosa var. glandulosa J. P. Smith, J. O. Sawyer 2010-8-7 13055 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  HSC69350  Drymocallis lactea var. lactea Maralyn A. Renner 1980-8-21 2560 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC158417  Drymocallis rhomboidea G. P. Rixford s.n. Siskiyou South side of [Shaft-rock] Shaft Rock Mt., Hilt Comment
  UC922661  Dryopteris arguta Annie M. Alexander and Louise Kellogg 1948-9-4 5575 Siskiyou between Somesbar and Forks of Salmon River (bank above Salmon River Rd); Siskiyou Mts Comment
  UC1593363  Dryopteris expansa Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2541 Siskiyou at base of entrance pit Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  JEPS73747  Echinochloa crus-galli Geo. D. Butler 1908-8-28 490 Siskiyou near Oro Fino (Wright & Fletcher's Ranch); Wright & Fletcher's Ranch Comment
  CHSC88376  Eleocharis acicularis Jenny Marr 1993-7-1 182 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 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
  JEPS19411  Eleocharis bella Geo. D. Butler 1909-9-12 866 Siskiyou Oro Fino Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  UCD61537  Elymus elymoides L. Whitney 1935-7-15 3472 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CAS-BOT-BC227921  Elymus elymoides A. A. Heller 1905-6-19 8071 Siskiyou Near Grenada Station Comment
  JEPS19727  Elymus elymoides subsp. elymoides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5938 Siskiyou about 2 1/2 mi nw Weed (close to US Hwy 99) 1005 Comment
  HSC69207  Elymus elymoides var. elymoides Maralyn A. Renner 1980-9-1 2674 Siskiyou Bear Mtn. 1936 Comment
  HSC69327  Elymus glaucus John S. Palmer 1980-8-12 739 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC197107  Elymus glaucus Geo. D. Butler 1909-6-19 836 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC206599  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  SJSU11311  Elymus hispidus S. H. Casey 1981-7-2 1204 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
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Jul 10 2014
  CAS-BOT-BC235220  Elymus multisetus Doris K. Kildale 1929-7-20 8557 Siskiyou South Fork of Indian Creek near Happy Camp 457 Comment
  SEINET3379090  Elymus multisetus G. D. Butler 1910-1 1412 Siskiyou Yreka. Comment
  HSC39091  Elymus repens A. M. Montalvo, J. D. Ackerman 1974-7-2 345 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  HSC68507  Elymus spicatus Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  SEINET10554730  Elymus trachycaulus George D. Butler 1910-7-3 Butler 1624 Siskiyou Creek bed, Goose nest foothills. 1219 Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  RSA211347  Epilobium angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  RSA237650  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  CHSC26175  Epilobium brachycarpum J. P. Kroessig 1977-8-5 50 Siskiyou McBride Spring Campground ca. 4.5 km n of Mt. Shasta City, at base of Mt. Shasta. 1460 Comment
  POM230570  Epilobium brachycarpum J. T. Howell 1937-7-23 13359 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS121626  Epilobium ciliatum Kendra Sikes 2011-8-24 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys. Gently sloping wet meadow / fen on ultramafic soil; N aspect. Mumbo Basin quadrangle. FCS-1D Comment
  SBBG126111  Epilobium ciliatum subsp. ciliatum L. Ahart, J. Dittes 2010-7-30 16952 Siskiyou S edge of Shasta River, ca 100 yards E of S edge of the Shasta River, ca 100 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam, 5.7 mi SE of Grenad 716 Comment
  HSC29131  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1305 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  UC1222848  Epilobium ciliatum subsp. glandulosum Joseph P. Tracy 1950-7-20 19209 Siskiyou 45 mi se Elk Valley; Flint Valley 1432 Comment
  HSC64496  Epilobium densiflorum J. P. Smith, Steve Selva 1970-7-17 4414 Siskiyou Along Klamath River. Comment
  JEPS38212  Epilobium densiflorum Geo. D. Butler 1908-7-17 160 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  HSC32273  Epilobium hallianum J. O. Sawyer 1969-8-5 1742 Siskiyou W of Little Duck Lake 2073 Comment
  HSC36424  Epilobium hallianum J. O. Sawyer 1969-7-18 1158 Siskiyou E of Waterdog Lake 2012 Comment
  HSC82257  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6175 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC91952  Epilobium hallianum Jennifer Whipple 1976-7-8 1347 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  RSA264965  Epilobium hallianum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Siskiyou Mountains near Seiad Valley. 1634 Comment
  UC1408917  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou between King David Mt. and Abbots (margin of meadow); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CHSC1119  Epilobium hornemannii subsp. hornemannii N. Jaekel 1939-7-8 Siskiyou Panther meadows, Mt. Shasta. 2286 Comment
  RSA237388  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1969-8-1 1134 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  RSA237389  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Stream inlet into Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1890 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  UC164470  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou near Yreka Comment
  UCD105960  Epilobium minutum Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  UCD106789  Epilobium obcordatum A. H. Murphy 1959-7-22 59 O Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  SBBG25828  Equisetum arvense D. Myrick 1966-8-11 1539 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SEINET192292 Image available Equisetum hyemale W. B. Cooke 1941-8-28 16227 Siskiyou Near the Big Squaw Valley Creek spring above McCloud Mt Shasta 1464 Comment
  HSC22470  Equisetum hyemale subsp. affine J. O. Sawyer 1969-6-11 826 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC36221  Equisetum laevigatum John Rehling 1974-8-24 40 Siskiyou Along Hwy. 3, 1.5 mi. N of Fort Jones Comment
  CHSC111279  Eragrostis minor R. E. Brainerd 2010-8-6 1734 Siskiyou Weed. South Davis Avenue ca. 200 feet south of the elementary school. UTM Zone 10 551712E 4586236N. 1082 Comment
  HSC4918  Eremogone congesta J. O. Sawyer 1968-7-9 414 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC168329  Eremogone congesta var. congesta A. A. Heller 1915-8-26 12228 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC286704  Ericameria bloomeri Alice Eastwood 1912-8-28 1940 Siskiyou Cantara Comment
  CAS-BOT-BC286710  Ericameria bloomeri Elmer I. Applegate 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  JEPS74448  Ericameria bloomeri W. J. Ferlatte 1966-9-18 486 Siskiyou Big Flat Trinity Alps, Big Flat (near public camp) 1524 Comment
  RSA168828  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou Near top, Blue Ridge, on road between Cecilville and Sawyer's Bar 1585 Comment
  UC1408800  Ericameria bloomeri Robert F. Thorne and Fred Oettinger 1969-8-10 38988 Siskiyou s slope of Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  SEINET5709305 Image available Ericameria bloomeri J. Semple, B. Semple 1981-1 5712 Siskiyou Mt. Shasta, A 10.; Shasta 1524 Comment
  CHSC67482  Ericameria greenei James D. Jokerst 1992-7-30 3434 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  POM211819  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  RSA237453  Ericameria greenei Frederick W. Oettinger 1967-8-24 321 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  HSC27008  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5772 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC299473  Ericameria nauseosa var. speciosa Gilbert J. Muth 1966-8-7 503 Siskiyou Lookout trail along ridge, Marble Mts. 2057 Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC76861  Ericameria nauseosa var. speciosa K. T. Stillman 1976-9-9 482 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  SEINET5708362 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7695 Siskiyou Scott Mts., collected along road 17, 8.8 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UC1119831  Ericameria nauseosa var. speciosa A. E. Wieslander 1932-10-9 274 Siskiyou near Hilts; Yreka Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 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
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  CAS-BOT-BC293493  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC293507  Erigeron aliceae C. L. Hitchcock; J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp road 1554 Comment
  HSC31128  Erigeron aliceae J. O. Sawyer 1971-8-19 2455 Siskiyou 2012 Comment
  SJSU6079  Erigeron aliceae R. W. Trivelpiece 1971-8-22 74 Siskiyou upper Tompkins Creek on west side Scott River about 6 miles SW of Scott Bar, Marble Mts 1524 Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  RSA50187  Erigeron bloomeri E. K. Balls 1949-7-8 13917 Siskiyou Trail from Scott Mt. Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC294498  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on road 40N08 1645 Comment
  HSC19547  Erigeron cervinus J. O. Sawyer 1969-6-13 1105 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC19552  Erigeron cervinus J. O. Sawyer 1969-7-10 807 Siskiyou Midslope South face near Sugar Lake 1829 Comment
  HSC76670  Erigeron compositus K. T. Stillman 1976-7-22 286 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC300476  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  CAS-BOT-BC296123  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts. summit of pass on road from Etna to Sawyer's Bar 1478 Comment
  RSA78831  Erigeron foliosus var. hartwegii P. A. Munz 1952-7-2 17909 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  SD76176  Erigeron glacialis var. glacialis Helen V. Witham 1969-10-6 559 Siskiyou Kanaroo Lake, Scott Mountains 2100 Comment
  CDA4954  Erigeron inornatus G. C. Fleischman 1946-7-26 Siskiyou Vicinity of Mt. Shasta. 0 Comment
  SEINET11859479  Erigeron inornatus var. inornatus Unknown 1953-1 123 Siskiyou Blue Point, Scott Mountain Public Campground, Klamath National Forest, Scott Mountains 1631 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  JEPS109830  Erigeron nivalis Dean W. Taylor 2006-8-8 19578 Siskiyou Dry Creek Peak (ridge ca. 12 air miles NE of Mt Shasta summit, at headwaters Antelope Creek 2194 Comment
  CAS-BOT-BC295364  Erigeron petrophilus R. C. Wenk 2005-7-15 215 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher's Peak 2133 Comment
  HSC28709  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Caribou Basin, Sawtooth Ridge at summit of trail to Stewart Fork 2287 Comment
  JEPS109704  Erigeron petrophilus var. viscidulus Dean W. Taylor 2002-7-20 18266 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  CAS-BOT-BC300085  Erigeron philadelphicus Lewis S. Rose 1945-6-18 45097 Siskiyou Horse Creek & Klamath River 502 Comment
  UC455839  Erigeron philadelphicus var. philadelphicus I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  CAS-BOT-BC250071  Eriogonum compositum var. compositum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  UC55778  Eriogonum compositum var. compositum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM104935  Eriogonum compositum var. compositum Geo. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC1282033  Eriogonum congdonii Louise Kellogg Aug 8 1953-Aug 9 1953 124 Siskiyou Blue Point, a serpentine outcrop near Scott Mountain Public Campground; Klamath National Forest 1630 Comment
  CAS-BOT-BC246491  Eriogonum diclinum John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  RSA423109  Eriogonum douglasii var. douglasii M. B. Dunkle 1945-1 9324 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  CAS-BOT-BC261218  Eriogonum hirtellum Doris K. Kildale 1929-7-20 8568 Siskiyou South Fork of Indian Creek near old dam 10 miles up from Happy Camp 457 Comment
  CAS-BOT-BC263658  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou Klamath River above the mouth of the Shasta River Comment
  HSC26154  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1972-9-14 5802 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  HSC43012  Eriogonum nudum var. nudum J. P. Smith 1973-5-5 6561 Siskiyou Scott Bar along the Scott River Comment
  CDA22631  Eriogonum nudum var. oblongifolium E. Hale 1983-7-19 Siskiyou Yreka vicinity. 0 Comment
  POM105615  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills. 1220 Comment
  POM105412  Eriogonum nudum var. pubiflorum George B. Grant 1902-9-10 3500 Siskiyou Sissons [town of Mount Shasta] Comment
  CAS-BOT-BC268581  Eriogonum siskiyouense James L. Reveal; Darin S. Reveal 1978-8-8 4803 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  HSC43444  Eriogonum siskiyouense Jennifer Whipple 1977-8-5 2188 Siskiyou Slopes near Little Crater Lake 2195 Comment
  UC1032246  Eriogonum spergulinum var. reddingianum L. Whitney 1934-6-14 2 Siskiyou near Tennant; Dorris Quadrangle 1463 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
  CHSC118625  Eriogonum sphaerocephalum var. halimioides Richard R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  JEPS104844  Eriogonum strictum var. greenei Dean W. Taylor 1996-6-26 15758 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  CAS-BOT-BC263393  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou Near Yreka Comment
  HSC43451  Eriogonum strictum var. proliferum Jennifer Whipple 1976-7-24 1551 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  UC1333302  Eriogonum strictum var. proliferum Dorothy Parker 1949-6-30 326 Siskiyou along Kidder Creek Scott Valley, Kidder Creek 857 Comment
  SEINET11938258  Eriogonum strictum var. proliferum H. M. Hall, Babcock, E. B. 1903-1 4099 Siskiyou Mount Shatsa, Little Shasta Valley 853 Comment
  HSC67771  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-20 3801 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC267937  Eriogonum umbellatum C. H. M. 1919-10-17 s.n. Siskiyou Sacramento River Canyon (at Pollock bridge) Comment
  HSC26988  Eriogonum umbellatum var. argus J. P. Smith, J. O. Sawyer 1971-9-16 4766 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  JEPS101146  Eriogonum umbellatum var. argus Dean W. Taylor 1996-6-20 15717 Siskiyou ridge dividing upper Noyes Valley Creek from Meadow Creek (ca. 20 air miles SW of Yreka) 1542 Comment
  RSA12619  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
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Mar 29 2012
  RSA237778  Eriogonum umbellatum var. argus Frederick W. Oettinger 1968-8-4 398 Siskiyou Ridge south of English Peak Lookout. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mtn Wilderness Area. 2226 Comment
  CAS-BOT-BC267793  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  JEPS57171  Eriogonum umbellatum var. humistratum L. R. Heckard 1967-8-13 1704 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  JEPS82245  Eriogonum umbellatum var. humistratum Roger Raiche 1983-8-14 30613 Siskiyou fell-field slope near summit of road to Mt. Eddy ((A.K.A. road to Dead Fall Meadow, Park Creek Road, or Forest Road 42N17)) 2133 Comment
  RSA0033766  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 airmiles W of Mt. Shasta City; open rocky dry ridge S of & above creek. 1950 Comment
  JEPS104885  Eriogonum umbellatum var. modocense Dean W. Taylor 1993-7-30 13994 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  CAS-BOT-BC265200  Eriogonum umbellatum var. nevadense Alice Eastwood 1921-7-29 10969 Siskiyou Medicine Lake Comment
  LA86521  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and SW ridge of Black Mountain 2103 Comment
  UCD101401  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  SEINET3160102  Eriogonum umbellatum var. polyanthum G. D. Butler 1910-6-19 1580 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC262381  Eriogonum vimineum Elmer I. Applegate 1935-8-3 10007 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CHSC4723  Eriophyllum lanatum R. Carter 1966-5-15 403 Siskiyou One mile E of Calahan on N side of Callahan-Gazelle Rd., opposite a small meadow. 914 Comment
  CAS-BOT-BC301098  Eriophyllum lanatum var. achilleoides J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  UC455499  Eriophyllum lanatum var. achilleoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  CAS-BOT-BC301128  Eriophyllum lanatum var. achilleoides Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka Comment
  SBBG111919  Eriophyllum lanatum var. achilleoides C. Bornstein 1996-6-29 Siskiyou Scott Valley Overlook Comment
  HSC27652  Eriophyllum lanatum var. grandiflorum Carl W. Mize 1972-6-8 11 Siskiyou 335 Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  JEPS34745  Eriophyllum lanatum var. integrifolium Geo. D. Butler 1908-8-3 344 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC308279  Eriophyllum lanatum var. integrifolium J. R. Hall 1912-7-3 73 H Siskiyou Klamath Forest 1219 Comment
  CAS-BOT-BC301708  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City Comment
  HSC58873  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-7-21 187 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  UC1409449  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou ne Horse Range Lake (w Siskiyou County, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  HSC36770  Erodium cicutarium J. P. Smith 1974-5-25 7400 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS110491  Eryngium alismifolium Robert E. Preston 2005-7-1 2358 Siskiyou 3.3 mi E of Granada, along County Rd A12. 787 Comment
  UC140590  Eryngium articulatum unknown 1900-8-9 Siskiyou Shasta Region, Sisson's Comment
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Jan 18 2012
  CAS-BOT-BC54576  Erysimum capitatum L. E. Smith 1914-5-21 701 Siskiyou Yreka. Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  HSC36817  Erysimum capitatum var. capitatum J. P. Smith 1974-5-27 7616 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA120812  Erysimum capitatum var. perenne Douglas Barbe 1955-7-6 116 Siskiyou Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC55118  Erysimum perenne Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Skyhigh Lake. Comment
  UC618765  Erysimum perenne W. Bridge Cooke 1938-6-24 11073 Siskiyou in openings along spring creek and in the meadow Mount Shasta, MacBride Spring Comment
  SEINET14378928  Erythranthe W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Cabin Meadow. 1829 Comment
  CHSC31215  Erythranthe breweri M. S. Taylor 1980-7-8 3103 Siskiyou On nw side of Castle Lake. 1615 Comment
  UC375458  Euphorbia crenulata Geo. D. Butler 1908-7-4 67 Siskiyou near mouth of Shasta River Comment
  RSA47787  Euphorbia crenulata Roxana S. Ferris, Laura Lorraine 1948-6-12 11849 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  JEPS31925  Eurybia radulina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento, Mt. Shasta Comment
  SEINET5708047 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  JEPS81790  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n of Scott Mountain road summit 1615 Comment
  RSA507775  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-16 8468 Siskiyou CA-96, 1.6 km W of Horse Creek, before CA-3; by Klamath River Comment
  HSC39664  Festuca californica J. P. Smith, J. O. Sawyer, Marilyn O'Meara 1972-7-4 5735 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  CAS-BOT-BC283182  Festuca californica subsp. californica J. H. Thomas 1954-5-13 4161 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  HSC25453  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5650 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  UC1483448  Festuca idahoensis J. Sawyer and J. Cole 1980-7-22 3944 Siskiyou nw slopes Cedar Mt.; Klamath National Forest, Bray Quad., Cedar Mt. 1524 Comment
  HSC42963  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2757 Siskiyou Along Specimen Creek. 915 Comment
  HSC42967  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-29 2750 Siskiyou Along Specimen Creek. 1433 Comment
  RSA22127  Festuca occidentalis J. T. Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat, Siskiyou Co. 1524 Comment
  RSA47801  Festuca occidentalis Roxana S. Ferris, Laura Lorraine 11744 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UCD66152  Festuca occidentalis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  UC618874  Festuca pratensis W. Bridge Cooke 1938-8-21 11554 Siskiyou Horse Camp Mount Shasta 2438 Comment
  RSA656725  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-2 8124 Siskiyou Klamath National Forest; road cut where old highway intersects modern one, on highway 3, 6.7 miles by road southwest of the Yreka city limits, at road marker 003/SIS/40 deg deg . 1128 Comment
  UC1733722  Fragaria Frank Gould, Kay H. Beach 1940-5-15 Siskiyou Bull Meadows Comment
  CAS-BOT-BC453508  Fragaria Alice Eastwood 1921-7-28 10882 Siskiyou Medicine Lake Comment
  SEINET11915235  Fragaria californica H. P. Chandler 1901-1 1569 Siskiyou nr Marble Mtn - North Coast Ranges 1829 Comment
  UC1483518  Fragaria vesca John Palmer 1980-8-12 735 Siskiyou road to Bearground Spring (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad. 1341 Comment
  CAS-BOT-BC53262  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC59983  Frangula purshiana G. B. Grant 2000-1-1 s.n. Siskiyou unspecified. Comment
  CAS-BOT-BC60025  Frangula purshiana John Thomas Howell 1937-7-26 13541 Siskiyou Caribou Gulch. Comment
  SBBG26938  Frangula purshiana subsp. purshiana D. K. Kildale 1928-8-20 Siskiyou between Finleys upper camp and English Lake, Salmon Mtns 1371 Comment
  HSC25481  Frangula rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC18420  Frangula rubra subsp. modocensis D. M. Thosmon 1965-8-14 183 Siskiyou Base of S side of Caldwell Butte, Lava Beds National Monument, 0.25 mi from rd. Comment
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Sep 14 2016
  CAS-BOT-BC55717  Frangula rubra subsp. obtusissima Wm. F. Herrin 1920-8-25 s.n. Siskiyou road to Mt. Eddy Comment
  UC1001152  Fritillaria pudica Dorothy Parker 1949-4-4 212 Siskiyou Siskiyou Mountains, e side of Scott Valley, near Hartsval Gulch Scott Valley; Siskiyou Mountains, Scott Valley 859 Comment
  HSC33973  Fritillaria recurva J. P. Smith 1974-5-25 7435 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC19069  Galium bolanderi J. O. Sawyer 1969-6-12 905 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS18603  Galium bolanderi Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5962 Siskiyou about 3 1/2 mi below (ne) Gumboot Lake; Canyon of South Fork of Sacramento River 1402 Comment
  JEPS52698  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6137 Siskiyou 5 mi ne Cecilville (on road to Callahan, Shadow Creek campsite) 975 Comment
  JEPS52699  Galium bolanderi G. L. Stebbins Jr. 1963-7-5 6131 Siskiyou 6 mi ne Sawyer's Bar; north Fork of Salmon River, Findley Camp 792 Comment
  POM68839  Galium bolanderi Geo. D. Butler 1909-7-15 996 Siskiyou Russian Creek. 1829 Comment
  UC722297  Galium bolanderi C. L. Hitchcock and J. S. Martin 1939-7-7 5298 Siskiyou ca 15 mi n Happy Camp (on Happy Camp-Takilma Hwy) 914 Comment
  UCD121615  Galium bolanderi J. P. Smith; Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River. 1127 Comment
  HSC68987  Galium glabrescens Maralyn A. Renner 1980-7-28 2159 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC81666  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6076 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UCSB17111  Galium glabrescens subsp. glabrescens Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  UCD121771  Galium grayanum A. H. Murphy 1959-7-21 59 G Siskiyou Deadfall Lake area. Shasta National Forest. 2225 Comment
  UCD121822  Galium muricatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Callahan on Cecilville Road. 975 Comment
  HSC44379  Galium triflorum Maralyn O'Meara 1973-6-25 236 Siskiyou Music Creek 1463 Comment
  HSC99812  Galium triflorum C. B. Wolf 1927-8-26 1065 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  UC1971397  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC182232  Garrya fremontii Edward Lee 1934-8-13 1058 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1219 Comment
  UC876011  Garrya fremontii L. E. Smith Jul 1912 Siskiyou Hornbrook Comment
  UCD117428  Gaultheria humifusa Dean William Taylor 1972-7-3 1613 Siskiyou Near Little Duck Lake. 1981 Comment
  HSC45183  Gaultheria ovatifolia J. O. Sawyer, E. Cope 1977-6-18 2936 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  HSC69422  Gayophytum diffusum subsp. parviflorum John S. Palmer 1980-8-12 748 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS27501  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1940-7-3 20089 Siskiyou 0.6 mi e McCloud; McCloud River, Fowlers Camp 944 Comment
  UC164345  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou Lake Long Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  UC164410  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Comment
  POM355343  Gayophytum eriospermum E. Yale Dawson 1948-7-16 5097 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  RSA211350  Gayophytum heterozygum William J. Ferlatte 1966-8-18 413 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  HSC19496  Gayophytum humile J. O. Sawyer 1969-8-1 1648 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  RSA183726  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou On trail behind Black Mt., Marble Mountains. Comment
  JEPS51257  Gentiana newberryi Wayne Roderick 1967-9-3 Siskiyou in region just s South China Mountain (Cabin Meadow near Cabin Meadow Lakes); Cabin Meadow 2133 Comment
  JEPS24353  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  SEINET202641  Gentianella amarella Unknown 1954-8-13 4798 Siskiyou 0.1 mile north of summit of divide west of Scott Mountain, along road from Callahan to Carrville and Trinity Center, just north of Trinity-Siskiyou County line. 1615 Comment
  UC455391  Geranium carolinianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC459619  Geum macrophyllum Wm. Bridge Cooke 1938-6-24 11081 Siskiyou MacBride Springs Comment
  JEPS83037  Geum triflorum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2301 Siskiyou 0.8 mi s Bray junction (on U.S. Hwy 97, Murphy Wells); Murphy Wells 1493 Comment
  JEPS84253  Gilia capitata subsp. capitata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6307 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp); rd from Takilma to Happy Camp Comment
  UC879897  Gilia capitata subsp. capitata Alice Eastwood 1912-7-17 1165 Siskiyou Sisson Comment
  UCD85158  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC282791  Glyceria leptostachya Louis C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Creek, Siskiyou Mts. 838 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  HSC69215  Glyceria striata Maralyn A. Renner 1980-7-24 2087 Siskiyou Lily Pad Lake 1768 Comment
  POM198422  Glyceria striata Geo D. Butler 1910-7-14 1780 Siskiyou Shackleford Creek. 1220 Comment
  RSA238377  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1283 Siskiyou Upper edge of Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SDSU1119  Glyceria striata D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., in pool of water. 1524 Comment
  CAS-BOT-BC302664  Gnaphalium palustre Geo. B. Grant 1902-9-6 5088 Siskiyou Sisson Comment
  CAS-BOT-BC302678  Gnaphalium palustre Louis C. Wheeler 1934-6-10 2676 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  HSC98370  Goodyera oblongifolia J. O. Sawyer 1969-8-18 1995 Siskiyou Slopes of S Sugar Creek 1829 Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  HSC22095  Hackelia bella J. O. Sawyer 1969-7-23 1437 Siskiyou N of Jackson Lake 2043 Comment
  RSA211250  Hackelia bella W. J. Ferlatte 1966-7-7 211 Siskiyou A flora of the Trinity Alps of northern California. Northwest side of Caribou Mountain. 1829 Comment
  CDA40628  Hackelia californica T. C. Fuller 1962-6-13 8975 Siskiyou Highway 89 to McCloud, 1.2 miles west of Bartle. 0 Comment
  CHSC36143  Hackelia cusickii K. Bridwell 1978-7-6 167 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  CAS-BOT-BC94460  Hackelia micrantha R. C. Wenk 2005-7-19 317 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  JEPS84332  Hackelia micrantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6348 Siskiyou 7 mi nne of Seiad Valle (sw of Cook and Green Pass, 1/2 mi se of Red Butte, slope e of road) 1730 Comment
  POM258915  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou On Takilma-Happy camp road. 1677 Comment
  RSA211247  Hackelia micrantha W. J. Ferlatte 1966-7-7 212 Siskiyou A flora of the Trinity Alps of northern California. Northwest side of Caribou Mountain. 1829 Comment
  JEPS84096  Hackelia setosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  CAS-BOT-BC123569  Haplopappus racemosus subsp. pinetorum David Daniels Keck 1938-8-8 4862 Siskiyou Scott Mts., ridge between Milll and Mule creeks, 3 mi SE of Scott Mt. Lodge. 1340 Comment
  HSC61168  Hastingsia alba Al Hobart 1967-8-8 Siskiyou El Capitan 2073 Comment
  HSC82357  Hastingsia alba Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4520 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC429302  Hastingsia alba Annie M. Alexander and Louise Kellogg 1911-6-13 120 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC504598  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC383119  Helenium bigelovii Andrew Townesmith; Karen M. Meyer 2007-7-28 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26) 1441 Comment
  HSC69085  Helenium bigelovii Maralyn A. Renner 1980-8-4 2216 Siskiyou Flint Valley 1390 Comment
  UC1313024  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou lower Red Rock Valley Marble Mountain Wilderness Area (in vicinity of cabin) 1493 Comment
  UC1483519  Helenium bigelovii John Palmer 1980-8-13 790 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  CAS-BOT-BC305573  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CLARK-A1528-7877  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC313468  Hemizonella minima Alice Eastwood 1912-7-17 1210 Siskiyou Sisson Comment
  HSC68002  Hemizonella minima J. P. Smith, Steve Selva 1970-6-16 3997 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC77015  Hemizonella minima K. T. Stillman 1976-6-25 40 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS38326  Hemizonella minima Geo. D. Butler 1909-6-13 801 Siskiyou Moffett Creek Comment
  UC134584  Hemizonella minima H. E. Brown June 1-10 1897 307 Siskiyou near Sisson 1083 Comment
  UC165250  Hemizonella minima Geo. D. Butler 1909-6-13 801 Siskiyou Moffitt Creek Comment
  UCR80254  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  JEPS1675  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  POM203173  Hesperochiron pumilus Alice Eastwood, J. T. Howell 1934-4-20 1778 Siskiyou Gazelle. Comment
  JEPS74414  Heterocodon rariflorum W. B. and V. G. Cooke 1974-8-21 49262 Siskiyou Howard; Mt. Shasta Comment
  UC29091  Heterocodon rariflorum Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Sep 4 2007
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  HSC76962  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  RSA183747  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Near Marble Mountain Lookout. Comment
  HSC704  Heuchera merriamii William J. Ferlatte 1967-8-23 1093 Siskiyou Head of Kidd Creek. 2134 Comment
  CAS-BOT-BC420701  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Klamath, MDM Jaynes Canyon 2042 Comment
  HSC64836  Heuchera micrantha J. P. Smith, Steve Selva 1970-6-14 3880 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC420719  Heuchera micrantha M. B. Dunkle 1945-7-19 9224 Siskiyou Sky-High Bluffs, Klamath forest 2194 Comment
  CAS-BOT-BC420939  Heuchera micrantha var. diversifolia G. P. Rixford No date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC424176  Heuchera micrantha var. erubescens Alice Eastwood 1923-5-18 11842 Siskiyou Shasta Springs Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS82484  Hieracium albiflorum Gilbert Muth 1965-8-11 203 Siskiyou Black Mt. Marble Mt. Wilderness Area 1792 Comment
  HSC76732  Hieracium albiflorum K. T. Stillman 1976-8-7 390 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  POM360468  Hieracium albiflorum Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CHSC69070  Hieracium greenei Vernon Oswald; Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC280780  Holcus lanatus L. E. Smith 1913-6-1 325 Siskiyou Sisson Comment
  HSC27643  Holcus lanatus Carl W. Mize 1972-6-21 79 Siskiyou Forks of Salmon. 343 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA449788  Holodiscus discolor Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC152368  Holodiscus discolor var. discolor Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC152374  Holodiscus discolor var. discolor Milo S. Baker 1923-8-14 256 -b Siskiyou Camp 6, Smith River Division, Siskiyou National Forest Comment
  UCSB40246  Holodiscus discolor var. microphyllus McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  HSC26577  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow 2012 Comment
  HSC4858  Holodiscus microphyllus var. microphyllus J. O. Sawyer 1968-6-25 302 Siskiyou NE of N Horse Range Lake 2012 Comment
  SFV1210  Holosteum umbellatum D. Parker 1956-4-23 150 Siskiyou Scott Valley, Hartstrand Gulch. 1067 Comment
  CDA2201  Hordeum vulgare var. trifurcatum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2589 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CAS-BOT-BC143951  Horkelia daucifolia J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC143962  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1791 Siskiyou 4 miles n. of Weed Comment
  CAS-BOT-BC143967  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53562 Siskiyou Yreka 822 Comment
  JEPS74498  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-8-3 250 Siskiyou near public camp; Big Flat 1524 Comment
  JEPS82345  Horkelia fusca subsp. parviflora L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2302 Siskiyou .8 mi s Bray (junction of U. S. 97); Murphy Wells 1493 Comment
  UC1505709  Horkelia fusca subsp. parviflora Robert T. Clausen and Harold Trapido 1940-7-27 4962 Siskiyou 6.25 mi nne summit of Mt. Shasta; Southern Cascade Mts., Sacramento River Basin 1828 Comment
  UC609363  Horkelia fusca subsp. parviflora Eleanor Burks Hart 1938-8-18 949 Siskiyou ridge above Big Meadow 2377 Comment
  RSA31651  Horkelia fusca var. brownii A. A. Heller 1938-7-12 15258 Siskiyou Flat place near the summit of Deer Mtn on the Hwy 97. 1738 Comment
  CAS-BOT-BC514282  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  CAS-BOT-BC514287  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  CAS-BOT-BC514290  Horkelia fusca var. pseudocapitata A. A. Heller 1938-7-12 15258 Siskiyou Near the summit of Deer Mountain on US Hwy 97 1767 Comment
  HSC70598  Horkelia tridentata var. flavescens J. O. Sawyer, R. J. Cole 1981-7-2 4154 Siskiyou Near Scott Mtn. Campground 1585 Comment
  JEPS107486  Hornungia procumbens Lowell Ahart, John Dittes 2005-6-9 12044 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC142665  Howellanthus dalesianus Dorothy Parker; Wayne Roderick 1967-7-25 s.n. Siskiyou Kangaroo Lake, Scott Mts 1981 Comment
  JEPS89783  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou Summit of cinder cone on northern end of Burnt Lava Flow Burnt Lava Flow; northern end of Burnt Lava Flow 1706 Comment
  HSC36877  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7548 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC22098  Hydrophyllum occidentale J. O. Sawyer 1969-7-16 1139 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC69307  Hydrophyllum occidentale Maralyn A. Renner 1980-7-24 1982 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  SEINET3156129  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  UC169012  Hydrophyllum occidentale Harley P. Chandler 1901-6-24 1588 Siskiyou near Marble Mountain (between Haypress Meadow and Cottei Meadow); North Coast Ranges 2133 Comment
  UCR37834  Hydrophyllum occidentale L. P. Janeway 1983-6-27 446 Siskiyou At Poker Flat 1524 Comment
  CHSC106092  Hymenoxys lemmonii Lowell Ahart; John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  UC57395  Hymenoxys lemmonii J. G. Lemmon and wife 1889-7-26 Siskiyou Edgewood Comment
  HSC34148  Hypericum anagalloides J. O. Sawyer 1969-8-18 1988 Siskiyou S Sugar Lake Creek 1829 Comment
  JEPS66821  Hypericum formosum var. scouleri Geo. D. Butler 1908-8-2 6 Siskiyou Log Lake 1371 Comment
  UC61688  Hypericum formosum var. scouleri Geo. B. Grant September 1902 5248 Siskiyou Mt. Shasta 609 Comment
  POM86619  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  CAS-BOT-BC401288  Hypericum perforatum Doris K. Kildale 1928-7-1 5320 Siskiyou Forks of Salmon Comment
  HSC27647  Hypericum perforatum Carl W. Mize 1972-6-8 3 Siskiyou Along main trail 335 Comment
  HSC29221  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Marble Mtn. Wilderness Area, mid-way between English Lake main camp & Sundew Bog due W of camp 1799 Comment
  CAS-BOT-BC88617  Idahoa scapigera L. E. Smith 1913-3-19 590 Siskiyou Yreka. Comment
  HSC15969  Iliamna bakeri R. C. Wunner 1965-8-14 432 Siskiyou Lava Beds National Monument. At junction of Tichner Rd. and road to Hwy. 139 1311 Comment
  UC774467  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 914 Comment
  JEPS74449  Ipomopsis aggregata W. J. Ferlatte 1966-6-22 86 Siskiyou between the campground and Carter's Trinity Alps, South Fork of Salmon River 1524 Comment
  JEPS815  Ipomopsis aggregata Geo. D. Butler 1909-6-22 945 Siskiyou Goosenest Mtn Comment
  UC195395  Ipomopsis aggregata A. A. Heller 1914-8-26 11720 Siskiyou Weed 1066 Comment
  UCR47889  Ipomopsis aggregata 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
  UC933392  Ipomopsis aggregata Annie M. Alexander and L. Kellogg 1948-9-9 5616 Siskiyou meadow at start of a 2 mi trail to Taylor Lake from Cook and White MIne Siskiyou Mtns 1584 Comment
  HSC98031  Ipomopsis aggregata subsp. formosissima Thomas W. Nelson, Sydney Carothers 2005-7-17 9389 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  UCD118368  Ipomopsis congesta A. H. Murphy 1958-8-6 58 J Siskiyou Klamath National Forest, Red Mountain (Boulder Peak), Marble Mountains. 2346 Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  RSA699547  Iris missouriensis Jenny Marr 1993-07 139 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  HSC42959  Iris tenuissima J. O. Sawyer, K. T. Stillman 1976-5-30 2756 Siskiyou Along Specimen Creek. 915 Comment
  SEINET3875941  Iris tenuissima Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 694 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  HSC43367  Iris tenuissima N. G. Sugihara 1977-5-28 85 Siskiyou Recently burned hillside, 0.3 mi. toward Sawyers Bar from Hwy. 96 1067 Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  UCR247348  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Creek, 1.5 mi. west of Yreka 881 Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  RSA256698  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UCD115196  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  JEPS100303  Isoetes bolanderi Dean W. Taylor 2001-8-28 17911 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  HSC28734  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Marble Mtn. Wilderness Area, inlet area of Hancock Lake 1936 Comment
  RSA68873  Isopyrum occidentale A. E. Culbertson 1943-6-26 83 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CDA24281  Isopyrum stipitatum F. D. Horn 1978-3-1 Siskiyou West of Hawkinsville, along North Humbug Road, north of Yreka. 0 Comment
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  CHSC114171  Juglans hindsii R. E. Brainerd 2010-8-11 1739 Siskiyou Boles Creek in Weed between E, Lake Street and S. Weed Boulevard. UTM Zone 10 551456E 45888885820N 1048 Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  HSC85849  Juncus balticus subsp. ater L. P. Janeway 1983-8-16 549 Siskiyou Poker Flat 1524 Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  UC842400  Juncus confusus John Thomas Howell 1939-8-3 15005 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  JEPS66992  Juncus ensifolius Geo. D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  UC1265482  Juncus ensifolius Frederick W. Oettinger 1968-9-7 749 Siskiyou n shore Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC33332  Juncus ensifolius William J. Ferlatte 1974-7-14 1528 Siskiyou Big Flat near S fork of the Salmon River, at edge of river below campground. 1509 Comment
  RSA184628  Juncus ensifolius Clare B. Hardham 1965-8-20 13022 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  SEINET6188314  Juncus ensifolius var. montanus M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow Comment
  JEPS74125  Juncus mexicanus Geo. D. Butler 1910-5-26 1409 Siskiyou Yreka Comment
  HSC67452  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA233691  Juncus orthophyllus Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38952 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238913  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC81136  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  CHSC75660  Juniperus occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. On road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  POM120219  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-7-1 1105 Siskiyou Near Yreka. Comment
  CAS-BOT-BC56354  Kalmia microphylla subsp. microphylla W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake, Salmon Mts. Comment
  HSC4847  Kalmia polifolia J. O. Sawyer 1968-7-9 427 Siskiyou W of Little Duck Lake. 1936 Comment
  UC412684  Kalmia polifolia subsp. microphylla Annie M. Alexander and Louise Kellogg 1911-6-15 146 Siskiyou Jackson Lake Comment
  LA208509  Kelloggia galioides Carl B. Wolf; 1934-7-6 Siskiyou Mount Shasta, SW slope of Mt. Shasta. 4 mi from Mt. Shasta City on Wagon Camp Road 1219 Comment
  RSA105490  Kelloggia galioides G. D. Barbe 1955-7-26 273 Siskiyou N slope of Scott Mtn. 1829 Comment
  UC1023831  Kelloggia galioides Douglas Barbe 1955-7-26 289 Siskiyou w of Scott Mt. summit 2042 Comment
  UC1409414  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou ne side of saddle between Tom's Lake Basin and Tobacco Lake Basin (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 1950 Comment
  UC889318  Kelloggia galioides A. A. Heller 1916-6-23 12432 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CHSC72235  Kochia scoparia Vernon H. Oswald; Lowelll Ahart 1998-8-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  CAS-BOT-BC273778  Koeleria pyramidata Geo. D. Butler 1910-7-3 1625 Siskiyou Unspecified 1219 Comment
  RSA0104247  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-17 550 Siskiyou Approx. 20 yards S off the Tom Taylor Cabin-Pine Lake trail just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). 2072 Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  CAS-BOT-BC340612  Lactuca serriola Lewis S. Rose 1926-7-29 s.n. Siskiyou Shasta Springs Comment
  CHSC68145  Lagophylla ramosissima L. E. Detling 1959-6-12 8248 Siskiyou Klamath River Valley (Hornbrook). 670 Comment
  POM361466  Lagophylla ramosissima L. C. Wheeler 1934-6-2 2608 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  HSC71346  Lathyrus lanszwertii var. lanszwertii J. P. Smith 1976-5-21 8778 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  UC164009  Lathyrus lanszwertii var. tracyi Geo. D. Butler 1910-5-5 1288 Siskiyou Humbug Mountain Comment
  UCD77800  Lathyrus nevadensis Robert E. Preston 2001-6-23 1626 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W ne 1/4 Section 15 1706 Comment
  RSA126290  Lathyrus nevadensis subsp. lanceolatus I. L. Wiggins 1955-7-21 13427 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  SD88548  Lathyrus nevadensis var. nevadensis Darley F. Howe 1972-7-5 4874 Siskiyou 0.6 miles south of Oregon state line on the road to Happy Camp 1707 Comment
  RSA78674  Lathyrus polyphyllus P. A. Munz 1952-7-1 17867 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC536682  Layia glandulosa D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne Weed 1097 Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  RSA45314  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman s Valley. 1128 Comment
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  RSA715768  Lepidium perfoliatum L. Ahart, John Dittes 2005-6-9 11998 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC64815  Lepidium virginicum J. P. Smith, Steve Selva 1970-6-15 3924 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC60145  Lepidium virginicum var. menziesii R. E. Frenkel 1964-7-15 690 Siskiyou Near Mount Shasta on shoulder of Everitt Memorial Highway near McBride Springs. 1493 Comment
  POM96126  Lesquerella occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mtn Comment
  CAS-BOT-BC341896  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dunsmuir 640 Comment
  JEPS20610  Lessingia nemaclada W. L. Jepson 1914-8-14 6168 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC342099  Leucanthemum vulgare Douglas Barbe 1955-6-29 046 Siskiyou Klamath Mountains. 1.8 miles east of Callahan on the south bank of the Scott River 975 Comment
  HSC83882  Leucothoe davisiae K. Berg, Stephanie Bennett 1986-8-25 640 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  LA86527  Lewisia cotyledon John M. Tucker; 1963-7-7 3713 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  RSA237496  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 745 Siskiyou Ridge trail E of Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CHSC95122  Lewisia cotyledon var. cotyledon L. P. Janeway 2006-7-3 8771 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  RSA183431  Lewisia cotyledon var. cotyledon J. M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC444039  Lewisia cotyledon var. cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High basin Comment
  JEPS127639  Lewisia cotyledon var. howellii Jurriaan M. de Vos 2014-7-10 319 Siskiyou Klamath NF.Ca. 3.9 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  CAS-BOT-BC444080  Lewisia leeana Lester Rowntree 1931-7-26 s.n. Siskiyou Caribou Lakes Comment
  UCD101608  Lewisia leeana Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 75 Siskiyou near eastern base of Marble Mountain, Marble Mountains Wilderness Area. 1950 Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  SEINET4175850 Image available Lewisia triphylla Sally Walker 1983-8-23 Siskiyou Mt Shasta 2896 Comment
  CAS-BOT-BC283818  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  CDA32461  Leymus cinereus T. C. Fuller 1958-6-19 1808 Siskiyou Fence row adjacent to open pasture, 3 miles northeast of Montague 0 Comment
  CAS-BOT-BC272169  Leymus triticoides Geo. D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  CAS-BOT-BC272172  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath Forest 518 Comment
  JEPS24032  Ligusticum grayi Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6896 Siskiyou Siskiyou Mts., Poker Flat 1536 Comment
  POM82380  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou Whiskey Camp, Independence Creek Comment
  HSC34458  Lilium kelleyanum A. M. Montalvo, J. D. Ackerman 1974-7-2 350 Siskiyou Near Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta 1829 Comment
  CAS-BOT-BC509362  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509379  Lilium kelleyanum Alice Eastwood 1921-7-24 10784 Siskiyou Castle Lake Comment
  HSC66400  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC78955  Lilium pardalinum subsp. wigginsii L. P. Janeway 1983-8-13 534 Siskiyou Along S Fork of Indian Creek 1494 Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  HSC45186  Lilium washingtonianum subsp. purpurascens J. O. Sawyer, Ed Cope 1977-6-18 2932 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  CAS-BOT-BC133016  Lilium washingtonianum subsp. purpurascens H. A. Thomas; J. H. Thomas 1954-7-25 4543 Siskiyou Salmon - Trinity Mts., below Rush Creek Meadow along Rush Creek, about 8 miles E of Cecilville 1828 Comment
  CAS-BOT-BC133094  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  CHSC2297  Lilium washingtonianum subsp. washingtonianum V. Holt 1932-7-3 Siskiyou Near Mt. Shasta City. 1097 Comment
  SEINET1783230  Lilium wigginsii Unknown 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border W of Hwy 99. Comment
  JEPS104990  Limosella aquatica Dean W. Taylor 1996-7-27 15862 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  UC1409301  Linanthus harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Tobacco Lake meadows, vicinity of English Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC240387  Linnaea borealis subsp. longiflora Doris K. Kildale 1928-7-3 5441 Siskiyou Little North Fork Salmon River near mouth Comment
  CAS-BOT-BC240390  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-8-8 15421 Siskiyou Moutn Shasta. Along Squaw Valley Creek below the McCloud intake Comment
  HSC36813  Linum lewisii J. P. Smith 1974-5-27 7621 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC99615  Linum lewisii Jennifer Whipple 1976-6-19 1066 Siskiyou N-facing slopes in the Eddy Creek drainage 2195 Comment
  UC5554  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 Soda Springs (at foot of Mt Shasta); Mt. Shasta Comment
  CAS-BOT-BC36531  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  UC705919  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi nw McCloud Comment
  POM90134  Lithocarpus densiflorus var. echinoides S. B. Grout 1902-9-15 s.n. Siskiyou Shasta Springs. Comment
  UC164981  Lithophragma Geo. D. Butler 1910-5-8 1307 Siskiyou near Yreka Comment
  HSC45038  Lithophragma campanulatum J. O. Sawyer 1978-6-19 3258 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CDA25417  Lithophragma glabrum F. D. Horn 1978-4-9 Siskiyou Horn Ranch near Etna. 0 Comment
  CAS-BOT-BC325943  Lithospermum californicum A. M. Vollmer; L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Highway Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  JEPS73750  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou Butler's Ranch along creek near Yreka; Butler's Ranch Comment
  UC196916  Lolium multiflorum Geo. D. Butler 1909-6-7 827 Siskiyou along creek near Yreka Comment
  JEPS107298  Lolium perenne Lowell Ahart, John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC77033  Lomatium dissectum var. multifidum K. T. Stillman 1976-6-17 13 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA78821  Lomatium macrocarpum P. A. Munz 1952-7-2 17899 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  UC923168  Lomatium nudicaule Freed W. Hoffman 1950-7-11 3279 Siskiyou Elk Valley rd. 2.1 mi. from junction with Klamath R. hwy. (w. Siskiyou Co.); North Coast Ranges, w. Siskiyou Co. 457 Comment
  UC640623  Lomatium peckianum Alice Eastwood and John Thomas Howell 1934-4-20 1785 Siskiyou 4 mi. n. Weed Comment
  CDA38461  Lomatium peckianum Ball May 1943 s.n. Siskiyou Yreka. 0 Comment
  UC673276  Lomatium vaginatum Lincoln Constance and Reed C. Rollins 1942-5-14 2924 Siskiyou 4 mi. w. Yreka (rd. to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  RSA75604  Lonicera ciliosa Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Happy Camp, Klamath River Hwy. Comment
  RSA594186  Lonicera ciliosa S. O. Mattoon 1977-6-26 61 Siskiyou Forest Road 47N03, on west side of Meiss Lake; 7 air miles NW of MacDoel. 1463 Comment
  JEPS25640  Lonicera conjugialis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7279 Siskiyou Poker Flat 1536 Comment
  UC602554  Lonicera conjugialis Joseph P. Tracy 1935-8-1 14405 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek); Rock Lake 1889 Comment
  CHSC51216  Lonicera hispidula L. P. Janeway 1984-6-21 854 Siskiyou At Ferry Point, W side of Klamath River. 289 Comment
  UC28531  Lonicera interrupta Edward L. Greene 1870-7-7 920 Siskiyou Comment
  SEINET3154558  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou margin of Shackleford creek 1219 Comment
  RSA181624  Lonicera involucrata Dorothy Parker 1950-6-7 456 Siskiyou Scott River. 854 Comment
  JEPS25560  Lonicera tatarica Rimo Bacigalupi with George Bacigalupi Jr. 1959-6-30 7183 Siskiyou Mt. Shasta town (formerly Sisson) Comment
  CAS-BOT-BC200969  Lotus Elmer I. Applegate 1895-5-30 953 Siskiyou Sisson Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  POM27604  Lotus douglasii Geo. D. Butler 1909-5-23 777 Siskiyou Near Yreka Comment
  RSA715778  Lotus humistratus L. Ahart, John Dittes 2005-6-10 12115 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 Comment
  RSA211170  Lotus oblongifolius William J. Ferlatte 1966-8-18 412 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  JEPS55721  Lotus oblongifolius var. oblongifolius W. L. Jepson 1894-1 13791 Siskiyou Sisson Comment
  UC917243  Lotus oblongifolius var. oblongifolius R. Tofsrud and J. M. Tucker 1948-8-3 1777 Siskiyou 3 mi (by road) below Happy Camp to Waldo, Oreg. road summit Comment
  UC726478  Lotus purshianus var. purshianus A. A. Heller 1919-6-30 13288 Siskiyou near Durney's Mill Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  RSA406293  Lotus unifoliolatus Chadwick, Chadwick, Glenn Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  UCR110581  Luetkea pectinata L. C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge 2134 Comment
  SBBG3502  Lupinus albicaulis H. and M. Dearing 1939-6-19 3680 Siskiyou high up French Crk 914 Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  UC157018  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-6-28 369 Siskiyou Upper end Quartz Valley; Upper end of Quartz Valley Comment
  UC965448  Lupinus albicaulis var. shastensis A. A. Heller 1915-7-18 12117 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC198370  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just south of Dunsmuir along Railroad Creek. Comment
  CAS-BOT-BC195957  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Near Fort Jones Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  CDA27371  Lupinus albifrons var. collinus K. S. Buchanan 1975-5-29 Siskiyou Interstate 5 north of Weed airport. 0 Comment
  JEPS95095  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  CAS-BOT-BC196352  Lupinus argenteus var. argenteus J. M. Tucker 1950-7-24 1960 Siskiyou Outskirts of Dorris Comment
  HSC30418  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Salmon Mtns., E of English Peak Lookout. 2210 Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  RSA413558  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1606 Siskiyou Near Hornbrook. Comment
  UC157007  Lupinus klamathensis Geo. D. Butler Apr 19 1910-Apr 30 1910 Siskiyou Yreka Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 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
  UC865529  Lupinus latifolius var. viridifolius L. E. Smith 1913-7-4 Siskiyou Castle Crags Comment
  UC618893  Lupinus lepidus var. lobbii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mount Shasta; Mount Shasta, Wagon Camp-Horse Camp Trail Comment
  CHSC110962  Lupinus lepidus var. sellulus B. Castro; L. P. Janeway 2007-7-28 1661 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 4 mi west of Glass Mountain and ca 1 mi NE of Medicine Lake. Off either side of E-W side-road off of Modoc NF Rd43N99. 2045 Comment
  JEPS83245  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-23 20003 Siskiyou n Mt. Shasta (Andesite Station); n of Mt. Shasta, Andesite Station 975 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
  RSA0064518  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 490 Comment
  RSA60789  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou Plowmans Valley, east fork of Scott River. 1189 Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 Comment
  UC1713502  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River Comment
  SEINET10491193  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 373 Siskiyou Collected 7 mi. S of etna along roadside of hwy 3, near a gravel quarry. Comment
  POM10803  Lupinus luteolus E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  POM179120  Lupinus luteolus Lester Rowntree 1937-8-7 s.n. Siskiyou Happy Camp Road. Comment
  RSA715635  Lupinus microcarpus L. Ahart 2005-6-9 12015 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC156987  Lupinus nanus Geo. D. Butler 1909-4-7 662 Siskiyou near Yreka; near Yreka Comment
  SEINET10450723  Lupinus obtusilobus Thorne 1969-8-10 THORNE 38990 Siskiyou Mt. Shasta national forest. S slope of mt shasta. At base of boulders of dry, Sunny, volcanic slopes above the ski-lodge. 2408 Comment
  RSA104335  Lupinus onustus A. A. Heller 1905-6-15 s.n. Siskiyou Near Sisson Comment
  JEPS75359  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  UC454945  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
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Nov 3 2007
  UC609367  Lupinus polyphyllus var. polyphyllus Eleanor Burks Hart 1938-8-16 950 Siskiyou stream bank above Lower Wright Lake (Lower Wright Lake) 2103 Comment
  SEINET10490225  Lupinus sellulus var. artulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 Nelson 4805 Siskiyou China mtn quad. Serpentine along road to carmen lake .6 mi from jct with state Route 3. 1646 Comment
  CAS-BOT-BC540705  Luzula comosa var. laxa Dana York 2012-7-21 3137 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  RSA105328  Luzula divaricata G. D. Barbe 1955-8-1 326 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  HSC68526  Luzula parviflora Maralyn A. Renner 1980-6-24 1021 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  JEPS74561  Luzula piperi W. J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mountain Trinity Alps, Caribou Mtn 2468 Comment
  SEINET11799442  Machaeranthera canescens var. shastensis J. P. Tracy 1949-1 18564 Siskiyou in Scott Valley, 1 mi E of Etna 884 Comment
  RSA13893  Machaeranthera shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
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Aug 14 2017
  SEINET11601350 Image available Madia elegans G. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  CAS-BOT-BC344546  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  POM208255  Madia exigua L. C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  OBI55429  Madia gracilis David J. Keil 1992-7-20 23488 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  SEINET7073518  Madia minima A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  UCR66722  Madia minima L. C. Wheeler 1934-6-1 02601 Siskiyou Siskiyou Mtns., Mt. Diablo mer. 2058 Comment
  RSA237462  Mahonia nervosa Frederick W. Oettinger 1969-8-25 1551 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC514191  Maianthemum stellatum Clarence R. Quick 1959-6-19 59 -16 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  HSC176  Malva neglecta William J. Ferlatte 1966-8-3 261 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC71457  Medicago lupulina J. P. Smith 1973-5-5 6386 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  UC333418  Melica bulbosa unknown 1889-6-23 Siskiyou near Dunsmuir (Delta Station) Comment
  UCR37824  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC673173  Melica californica Lincoln Constance and Reed C. Rollins 1942-5-14 2934 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  POM114773  Melica fugax Geo D. Butler 1910-4-30 1251 Siskiyou Yreka. Comment
  CAS-BOT-BC281387  Melica harfordii Alice Eastwood 1923-5-27 11960 Siskiyou Shasta Springs Comment
  UCD77853  Melica harfordii Robert E. Preston 2001-7-21 1718 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2042 Comment
  UCD87368  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3446 Siskiyou 11 miles north of Happy Camp, banks of Indian Creek. Comment
  RSA602387  Melica spectabilis L. C. Wheeler 1935-7-26 3701 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  SEINET10599586  Melica spectabilis Louis C. Wheeler 1935-7-26 Wheeler 3701 Siskiyou Damp sunny E slope, Jaynes Canyon, Siskiyou Mts. T47N R10W S12, Mt. Diablo Mer. 1951 Comment
  CAS-BOT-BC264196  Melica subulata John Thomas Howell 1939-8-3 14953 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1265410  Melica subulata F. W. Oettinger 1969-8-16 1394 Siskiyou near English Lake (sw of Wiregrass Meadow); Salmon Mtns 1676 Comment
  UCD88597  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3436 Siskiyou 5 miles northeast of Happy Camp. Above Klamath River. Comment
  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
  HSC15854  Mentzelia congesta R. C. Wunner 1965-6-6 52 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  UCD117223  Mentzelia dispersa Robert E. Preston 1995-6-18 887 Siskiyou Irongate Reservoir, 0.25 mile SW of mouth of Jenny Creek, on road cut. 731 Comment
  CAS-BOT-BC428544  Micranthes aprica W. R. Dudley 1893-6-20 s.n. Siskiyou Opposite side of Castle Lake outlet Comment
  CHSC30657  Micranthes bryophora M. S. Taylor 1980-7-8 3095 Siskiyou S end of Little Castle Lake. 1767 Comment
  CHSC102574  Micranthes tolmiei L. P. Janeway 2009-8-4 9898 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead. 2784 Comment
  HSC46230  Micropus californicus var. californicus Jennifer Whipple 1978-6-5 2341 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC322665  Microseris laciniata J. W. Congdon 1900-8-9 s.n. Siskiyou Sisson Comment
  JEPS84327  Microseris nutans L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6421 Siskiyou ca 5 mi n town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head of Hell's Canyon 1828 Comment
  RSA699535  Microsteris gracilis subsp. gracilis Jenny Marr 1993-07 0135 Siskiyou Butte Valley Wildlife Area, approx. 7 air miles NW of the town of MacDoel. 1350 Comment
  SFV8317  Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area. Haypress Meadows. 1463 Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  HSC416  Mimulus guttatus William J. Ferlatte 1966-8-2 225 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA237545  Mimulus guttatus Frederick W. Oettinger 1968-8-13 479 Siskiyou Near Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2049 Comment
  POM43896  Mimulus layneae Edward Palmer 1892-7-28 2603 Siskiyou Near Edgewood. Comment
  UC1034588  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  RSA211451  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake basin. 1921 Comment
  RSA68877  Mimulus moschatus var. moniliformis A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  HSC426  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 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
  HSC91001  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-8-20 1729 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC388887  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  CAS-BOT-BC174740  Minuartia nuttallii Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  HSC52816  Minuartia nuttallii subsp. gregaria Marvin Butler 1971-7-5 1 Siskiyou Near El Capitan Lake 1738 Comment
  UCD63244  Minuartia nuttallii subsp. gregaria Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  HSC90442  Minuartia stolonifera Thomas W. Nelson, Jane Nelson 1985-6-19 7839 Siskiyou Along S side of Hwy. 3, 3.1 mi. N of Scott Mtn. Pass 1220 Comment
  HSC61889  Mitella pentandra Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CDA30920  Mollugo verticillata M. Beyers, G. F. Hrusa 2010-8-18 696 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  HSC22248  Monardella glauca J. O. Sawyer 1969-7-9 1219 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC75348  Monardella glauca J. O. Sawyer, M. Mesler 1980-8-10 4030 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  HSC22245  Monardella odoratissima J. O. Sawyer 1969-7-24 1470 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  LA54314  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  HSC44616  Monardella odoratissima Laura Witherspoon 1977-7-13 Siskiyou Periphery of Flint Valley 1341 Comment
  UC1190245  Monardella odoratissima subsp. glauca Ira L. Wiggins 1955-7-29 13578 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); Trinity Alps 1999 Comment
  UC2035811  Monardella odoratissima subsp. glauca Carl B. Wolf 1934-7-4 5944 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi from Horse Creek Bridge. 1524 Comment
  CAS-BOT-BC222161  Monardella odoratissima subsp. pallida Alice Eastwood 1921-7-24 10767 Siskiyou Castle Lake Comment
  UC2035868  Monardella villosa subsp. villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch; Siskiyou Mts. Comment
  UC2035869  Monardella villosa subsp. villosa C. Epling 1938-6-12 Siskiyou Between Happy Camp and Orleans Comment
  HSC49917  Montia linearis Maralyn O'Meara 1974-5-25 410 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  NY342246  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC445203  Montia parvifolia Carl B. Wolf 1927-8-27 1141 Siskiyou On the Klamath River at the mouth of Crawford Creek Comment
  CAS-BOT-BC540347  Montia parvifolia Dana York 2012-7-20 3123 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  SEINET10674985 Image available Montia parvifolia A. Arthur Heller 1905-6-1 Heller 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  HSC65681  Muhlenbergia filiformis Donald W. Miles 1979-7-25 19 Siskiyou 3/4 way up Shirttail Canyon near Black Fox Mtn. on logging spur 20 miles NE of McCloud. Comment
  UCD86715  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  SD109606  Muhlenbergia jonesii John R> Reeder, Charlotte G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to Jct., and ca. 2 miles N of Pilgrim Creek Nursery Road 1128 Comment
  SD109607  Muhlenbergia jonesii John R. Reeder, Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartale, in forest openings 1219 Comment
  HSC30601  Muhlenbergia montana Frederick W. Oettinger, R. F. Thorne 1969-8-4 1168 Siskiyou Marble Mtn. Wilderness Area, near outlet of Hankcock Lake. 1951 Comment
  HSC102705  Muhlenbergia richardsonis J. P. Smith 2013-6-17 13738 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  JEPS94094  Muhlenbergia richardsonis Vernon H. Oswald and Lowell Ahart 1998-9-8 9605 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir; Julia Glover Flat 1112 Comment
  UC643295  Nama densa var. parviflora W. Bridge Cooke 1940-6-4 15022 Siskiyou road leading up the n side Mount Shasta from Bolam Station; n side Mount Shasta, from Bolam Station 1371 Comment
  CHSC33986  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  JEPS1360  Nama lobbii W. L. Jepson 1940-6-30 20071 Siskiyou 6 mi e McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp, e of McCloud 944 Comment
  SDSU6068  Nama lobbii D. F. Howe 1979-6-26 Siskiyou 3 miles north of Mc Cloud, Siskiyou Co. 1554 Comment
  UC1045266  Nama lobbii W. Bridge Cooke 1940-6-6 15045 Siskiyou in open places along the Castle Lake Road (in the brush fields); along Castle Lake Road Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC30433  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Marble Mtn. Wilderness Area. NE of English Lake 1936 Comment
  RSA211312  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou Northwest side of Caribou Mountain 1829 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  RSA237999  Navarretia capillaris Frederick W. Oettinger 1969-7-18 1055 Siskiyou Southwest of Upper English Lake, Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  POM75694  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  JEPS19746  Navarretia leucocephala subsp. minima Rimo Bacigalupi with S. Galen Smith 1957-6-27 5978 Siskiyou 4.0 mi sw Dorris (along U.S. Highway 97); Butte Valley 1280 Comment
  JEPS19732  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5949 Siskiyou on drier slopes just above meadows at sw end Gumboot Lake (headwaters South Fork Sacramento River, close to Trinity County line); headwaters South Fork Sacramento River, sw end Gumboot Lake 1859 Comment
  UC538023  Navarretia linearifolia subsp. linearifolia Louis C. Wheeler 1934-6-22 2771 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 1005 Comment
  POM312620  Navarretia sinistra H. L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake, in forested hills Comment
  UC164095  Navarretia tagetina Geo. D. Butler 1910-5-26 1406 Siskiyou Yreka Comment
  UC24282  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1649 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2286 Comment
  HSC93079  Nemophila pedunculata Jennifer Whipple 1976-7-2 1278 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC67574  Nicotiana acuminata var. multiflora J. P. Smith, Steve Selva 1970-7-17 4430 Siskiyou Along Klamath River Comment
  UCD20356  Nitrophila occidentalis Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  HSC34004  Noccaea fendleri subsp. glauca J. P. Smith 1974-5-25 7503 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC592  Noccaea fendleri subsp. glauca William J. Ferlatte 1966-6-23 122 Siskiyou Dorleska Summit 2134 Comment
  HSC593  Noccaea fendleri subsp. glauca William J. Ferlatte 1967-6-30 585 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC4841  Nothochelone nemorosa J. O. Sawyer 1968-9-28 743 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC60467  Nothochelone nemorosa Carl Wishner 1978-7-19 551 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  HSC69203  Nothochelone nemorosa Maralyn A. Renner 1980-9-1 2685 Siskiyou Bear Mtn. 1936 Comment
  JEPS11222  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou bluff s of lake at head of West Fork Wooley Creek West Fork Wooley Creek 1676 Comment
  UCD110223  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City. 1066 Comment
  UC1409400  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou at n end of Horse Range Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC29331  Nuphar polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou Marble Mtn. Wilderness Area, N end of Horse Range Lake 1829 Comment
  HSC16518  Oenothera cespitosa D. M. Thomson 1965-6-12 82 Siskiyou Lava Beds N.M., Hovey Point Comment
  UC1167562  Olsynium douglasii var. douglasii Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 233 Siskiyou on US Hwy 99 4.5 mi n Yreka city limits 914 Comment
  UCR9593  Onopordum acanthium D. O. Clark 1970-6-23 s.n. Siskiyou 6 mi SW of Dorris, along roadside on W side of Butte Valley 1293 Comment
  JEPS26035  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris Comment
  SEINET13262927  Onychium densum Unknown 1968-8-23 610 Siskiyou PLANTS OF THE SALMON MOUNTAINS. THE HIGH LAKE BASINS IN THE VICINITY OF ENGLISH PEAK, MARBLE MOUNTAIN WILDERNESS AREA. due e. and 50 feet below Diamond Lake at base of sheer cliff. 2057 Comment
  CAS-BOT-BC355590  Oreostemma alpigenum var. andersonii L. E. Smith 1913-9-1 550 Siskiyou Mt. Eddy Comment
  JEPS100531  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap trail, meadow above Marble Valley, Marble Mt. Wilderness Area. Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  HSC29321  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Marble Mtn. Wilderness Area, N facing wooded slope leading down from Little Hancock Lake to Hancock Lake 1982 Comment
  HSC803  Orthilia secunda William J. Ferlatte 1967-7-25 714 Siskiyou N side of Caribou Mtn. 1982 Comment
  RSA0083191  Orthilia secunda M. S. Baker 131 Siskiyou Hillside S.W. of Medicine Lake. Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  UCR9021  Orthocarpus copelandii Donald Myrick 1966-8-8 1481 Siskiyou Trinity Alps, Dry flat at Mountain Meadow Ranch, Big Flat 1524 Comment
  SBBG40873  Orthocarpus cuspidatus subsp. copelandii C. B. Hardham 1961-6-30 7997 b Siskiyou near Mud Spring Comment
  UC1736255  Orthocarpus cuspidatus subsp. copelandii Dean W. Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles W of Cook & Green Pass 1767 Comment
  HSC60387  Orthocarpus cuspidatus subsp. copelandii Carl Wishner 1978-8-1 555 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtns. Wilderness Area 1829 Comment
  UCSB24668  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mtns. south of Calahan Comment
  JEPS84182  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  HSC69323  Osmorhiza berteroi Maralyn A. Renner 1980-8-31 2666 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  POM133073  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  CAS-BOT-BC413215  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  JEPS50867  Oxyria digyna Al Hobart 1967-8-8 Siskiyou n side El Capitan (just s of Youngs Valley); western Siskiyou Mountains, n side El Capitan 1828 Comment
  CAS-BOT-BC316756  Packera cana Alice Eastwood 1912-8-30 2013 Siskiyou unspecified Comment
  UC1299443  Packera cana Freed W. Hoffman 1950-7-11 3562 Siskiyou Cedar Camp Road 19.5 mi n Klamath River Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  RSA211097  Parnassia californica William J. Ferlatte 1966-8-19 434 Siskiyou Kidd Creek Trail. 1829 Comment
  JEPS84272  Parnassia californica L. R. Heckard with J. Hickman 1986-7-16 6442 Siskiyou 5 mi n of the town of Seiad Valley (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
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May 8 2007
  UC1408936  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou High Lake Basins in vicinity of English Peak (Salmon Mountains, Marble Mountain Wilderness Area, Abbott's Lake); Salmon Mountains, Marble Mountain Wilderness Area, Abbott's 1722 Comment
  CAS-BOT-BC175615  Parnassia palustris Doris K. Kildale 1928-8-19 6518 Siskiyou English head, head of North Fork of Salmon River Comment
  CAS-BOT-BC259743  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou S bank of Klamath River between McKinney and Parkhouse creeks. Near Hamburg 609 Comment
  CAS-BOT-BC202843  Paxistima myrsinites Doris K. Kildale 1928-7-4 5465 Siskiyou 3 miles west of summit on Sawyers Bar - Etna Mills road Comment
  JEPS45932  Paxistima myrsinites Rimo Bacigalupi and L. R. Heckard 1966-6-12 9176 Siskiyou ca. 0.8 mi. n.w. of town Mt. Shasta (Sisson) (in City Park, just above Big Springs) 1097 Comment
  POM87425  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  UCD77869  Pectiantia pentandra Robert E. Preston 2001-6-23 1551 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  JEPS10413  Pedicularis bracteosa var. flavida Geo. D. Butler 1908-8-5 42 Siskiyou Summit above Cold Spring 1828 Comment
  HSC60386  Pedicularis racemosa Carl Wishner 1978-8-1 557 Siskiyou Cuddihy Lakes Basin, Marble Mtn. Wilderness Area, adjacent to lakes 1768 Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  RSA425321  Pedicularis semibarbata Bonnie C. Templeton 1964-6-10 10070 Siskiyou Moutain slope of Mt. Shasta.Green Valley Lake, San Bernardino Mountains. Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  UC1408849  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou due n of Hancock Lake (near summit of Little Medicine Mt); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2087 Comment
  JEPS84083  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6294 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line); Indian Creek Road fr Takilma to Happy Camp 1420 Comment
  UC1408762  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou ridge between English Peak and Charmaine Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2023 Comment
  UC595101  Penstemon anguineus David D. Keck 1938-8-6 4817 Siskiyou on road from Waldo to Happy Camp 4 mi s Oregon Line (summit of Siskiyou Mts., Poker Flat, at Del Norte Co. Line); summit of Siskiyou Mts., Poker Flat 1554 Comment
  HSC77075  Penstemon azureus K. T. Stillman 1976-7-7 153 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  NY571173  Penstemon azureus var. azureus C. L. Hitchcock 1939-7-6 5230 Siskiyou Peak above and north of Divide of Siskiyou Mountains, on Takilma-Happy Camp road. 1828.8 Comment
  HSC69127  Penstemon davidsonii Maralyn A. Renner 1980-8-7 2381 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC265380  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  NY590177  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3200.4 Comment
  HSC43259  Penstemon deustus K. Irwin 1977-5-22 382 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  UC1063376  Penstemon deustus H. S. Yates 1936-6-21 5830 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  CDA41876  Penstemon deustus T. C. Fuller 1962-6-11 8953 Siskiyou East side of Highway 99 to Weed, 0.7 mile north of Black Butte Summit. 0 Comment
  HSC60463  Penstemon deustus Carl Wishner 1978-7-19 547 Siskiyou Sandy Ridge trail 11W21 above Meteor Lake, Marble Mtn. Wilderness 1829 Comment
  RSA12566  Penstemon deustus subsp. deustus Carl B. Wolf 1934-7-6 6020 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  JEPS11237  Penstemon deustus var. deustus Geo. D. Butler 1908-7-12 434 Siskiyou w Yreka (Humbug Mt.); , w of Yreka 1219 Comment
  NY600753  Penstemon gracilentus A. A. Heller 1920-8-12 13514 Siskiyou Horse Camp, Mt. Shasta Comment
  SBBG16535  Penstemon gracilentus D. Myrick 1961-6-20 269 Siskiyou near Mt Shasta City 1066 Comment
  RSA309615  Penstemon gracilentus Walter Wisura 1983-9-16 3936 Siskiyou 4.7 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  RSA408035  Penstemon gracilentus Cora Mae Life 1923-08 14590 Siskiyou Mt. Shasta Comment
  NY601603  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou 5 miles southeast of Bartle, Big Bear Flat 1219.2 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  UC54634  Penstemon laetus var. sagittatus H. M. Hall and E. B. Babcock June, 1903 4030 Siskiyou Sacramento River near Dunsmuir; Upper Sacramento Valley, Sacramento River 609 Comment
  CHSC31046  Penstemon newberryi M. S. Taylor; W. Overton 1980-7-8 3089 Siskiyou On n side of 40N43 at point in rd, ca. 2.4 mi w of its jct with 40N26 at w end of Lake Siskiyou. 1341 Comment
  CAS-BOT-BC94412  Penstemon newberryi var. berryi R. C. Wenk 2005-7-15 223 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  JEPS101482  Penstemon newberryi var. berryi Dean W. Taylor 1972-7-3 1611 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  NY627425  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  NY627428  Penstemon newberryi var. berryi F. M. Ownbey 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at Summit, Marble Mountain Comment
  HSC60466  Penstemon parvulus Carl Wishner 1978-7-19 550 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC164348  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek 1371 Comment
  UC705758  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou summit of Cayenne Ridge , summit of Cayenne Ridge (Marble Mt.) Comment
  HSC29301  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill near Hancock Lake 2058 Comment
  SEINET5323604 Image available Penstemon procerus var. brachyanthus G. Butler 1910-7-10 1739 Siskiyou Shacksleford Creek, upper Campbell Lke 1372 Comment
  NY639276  Penstemon procerus var. formosus C. G. Pringle 1881-8-19 s.n. Siskiyou 2438.4 Comment
  CHSC86679  Penstemon roezlii Jenny Marr 1993-7-1 65 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC103048  Penstemon roezlii J. P. Smith, J. O. Sawyer, R. J. Cole 2014-6-7 13906 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  UC1034022  Penstemon roezlii Francis W. Pennell 1940-7-20 26206 Siskiyou Route 89 e Bartle (w of Dead Horse Summit); , e of Bartle 1158 Comment
  UC1080542  Penstemon roezlii S. S. Tillett 1956-7-9 666 Siskiyou 8 mi se Callahan (n side of Scott Mtn., on n-sloping ridge between Little and Big Carmen Lakes, Siskiyou-Trinity Co. line); n side Scott Mtn., btw Little and Big Carmen Lakes 1920 Comment
  UC163814  Penstemon roezlii Geo. D. Butler 1909-6-22 933 Siskiyou foothills of Goosenest Mt. Goosenest Mountain Comment
  HSC46220  Penstemon roezlii Jennifer Whipple 1978-6-5 2329 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  UC1238946  Penstemon rupicola Freed W. Hoffman 1950-7-13 3495 Siskiyou ne slope Baldy Mountain trail to Clear Creek (western Siskiyou County); North Coast Ranges, ne slope Baldy Mtn. trail to Clear Cr 1828 Comment
  CHSC86678  Penstemon speciosus Jenny Marr 1993-7-1 61 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC887342  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  UC1428123  Perideridia gairdneri subsp. borealis James E. Eckenwalder 1972-9-4 886 Siskiyou headwaters of Clear Creek Young's Valley (Young's Valley, Siskiyou Mountains (S.S.)); Siskiyou Mountains, headwaters Clear Creek Comment
  RSA715948  Perideridia lemmonii L. Ahart, John Dittes 2005-6-10 12112 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  UC1258150  Perideridia leptocarpa Clifton and Ground 1978-6-27 1458 Siskiyou close to town Callahan (near Wildcat Creek); Etna Quad., near Wildcat Creek 1098 Comment
  UCR52566  Perideridia oregana Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  SEINET13944995 Image available Perideridia parishii W. J. Ferlatte 1966-1 371 Siskiyou Trinity Alps of northern California; Big Flat Hillside seep forming boggy meadow, between campground and S. Fork of the Salmon R., 5000 ft. T37N R9W SEC 18 1524 Comment
  RSA237647  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1967-8-20 286 Siskiyou Just below Tom Taylor Cabin spring and in bordering wet meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2050 Comment
  CAS-BOT-BC413737  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  SD76662  Persicaria maculosa Helen V. Witham none given Siskiyou At bridge to Indian Scotty Campground, Scott River Comment
  UC60932  Petasites frigidus var. palmatus Geo. B. Grant Sep 1902 5253 Siskiyou Shasta Springs Mount Shast 609 Comment
  UCD127950  Petroselinum crispum Verne Grant; Irving Schneider 1947-8-25 8279 Siskiyou West side of Tule Lake. Comment
  UC1051790  Phacelia L. R. Heckard 1952-6-18 307 Siskiyou about 0.5 mi w Panther Creek Guard Station (16 mi e of Montague on rd to Mt. Hebron) Comment
  JEPS81095  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Ishi Pishi Bridge Klamath River (near Somes Bar) Comment
  UC726916  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  JEPS81016  Phacelia egena James Payne Smith Jr. 1976-5-22 8784 Siskiyou Callahan Rd along e side of valley Scott Valley 1036 Comment
  POM73589  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou Damp land near Yreka. Comment
  UC54516  Phacelia hastata H. M. Hall and E. B. Babcock June, 1903 4111 Siskiyou Ash Creek Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC1602156  Phacelia hastata subsp. compacta John Thomas Howell 1939-7-26 13767 Siskiyou along Summit Trail below Lake Helen; Mount Shasta Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  HSC69306  Phacelia mutabilis Maralyn A. Renner 1980-7-24 1983 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS25833  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7447 Siskiyou about 12 mi by air nw Happy Camp; Siskiyou Mts. Poker Flat 1524 Comment
  HSC64584  Phacelia pringlei J. O. Sawyer 1979-5-26 3361 Siskiyou Along Hwy. 3, N side of Scott Mountain. 1341 Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  UC922466  Phacelia procera Annie M. Alexander and Louise Kellogg 1949-7-20 5814 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  CHSC93535  Phacelia ramosissima var. ramosissima Lowell Ahart; John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC103014  Phalaris arundinacea J. P. Smith 2014-6-6 13871 Siskiyou Along State Route 96 at the Wingate River Access to the Klamath River 307 Comment
  HSC20256  Philadelphus californicus C. B. Wolf 1927-8-26 1044 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  CAS-BOT-BC77419  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-26 5062 Siskiyou Near Forks of Salmon Comment
  RSA0058048  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Oak Knoll Ranger Station, on Klamath River. 671 Comment
  RSA0058053  Philadelphus lewisii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1200 Siskiyou Above Willow Spring, on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC250949  Phleum pratense John Thomas Howell 1939-8-9 15224 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  RSA580859  Phleum pratense L. C. Wheeler 1934-6-22 2752 Siskiyou Cottonwood; Siskiyou Mountains 915 Comment
  CDA40296  Phlox adsurgens T. C. Fuller 1958-6-18 1820 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  UC1034037  Phlox austromontana unknown 1941-8-21 16239 Siskiyou between Cascade Gulch and Diller Canyon; Mt. Shasta 2590 Comment
  HSC30427  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou Marble Mtn. Wilderness Area, S of Upper English Lake 1921 Comment
  HSC69275  Phlox diffusa Maralyn A. Renner 1980-9-1 2681 Siskiyou Bear Mtn. 1936 Comment
  POM75617  Phlox diffusa subsp. diffusa Geo D. Butler 1910-7-8 1688 Siskiyou Shakleford Creek 1372 Comment
  JEPS20031  Phlox gracilis George D. Butler 1909-3-19 570 Siskiyou near Yreka (Butler's ranch) Comment
  JEPS71085  Phlox gracilis W. L. Jepson Jul 1894 15054 Siskiyou near Black Butte (Muir Peak) (n of Sisson) Comment
  RSA120880  Phlox hoodii subsp. canescens G. D. Barbe 1955-8-5 363 Siskiyou Growing at the summit of the trail from Big Flat to Caribou Lake, a spot northwest of Caribou Mtn. Salmon Mountains. 2409 Comment
  SEINET7042829  Phlox pulvinata A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  SEINET5732304 Image available Phlox rigida Sandy Holloway 1963-1 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville.; Hawkinsville 914 Comment
  CDA40279  Phlox speciosa subsp. nitida R. P. Allen 1952-5-15 s.n. Siskiyou Dunsmuir. 0 Comment
  POM75052  Phlox speciosa subsp. occidentalis Geo D. Butler 1910-4-15 1175 Siskiyou Yreka. Comment
  RSA256699  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along Forest Service Road 47N03 1524 Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  CAS-BOT-BC171213  Phoradendron serotinum subsp. tomentosum W. R. Dudley 1901-8-26 s.n. Siskiyou W of Gazelle Comment
  RSA233664  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger, K. Thorne 1969-8-10 39002 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA761681  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2097 Comment
  UC142759  Phyllodoce empetriformis J. W. Congdon 1900-8-13 Siskiyou Mount Shasta Comment
  UC877014  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Marble Mountains, Elk Mountain Elk Mountain; Marble Mountains, Elk Mountain Comment
  CAS-BOT-BC60777  Physaria occidentalis Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy. 2529 Comment
  UC1034605  Physocarpus capitatus Douglas Barbe 1955-6-29 45 Siskiyou 1.8 mi e Callahan (on bank of Scott River); Klamath Mts 975 Comment
  CDA492  Picea breweriana Gordon Leppig, Tony LaBanca 1998-7-11 921 Siskiyou Klamath National Forest; Duck Lakes Trail. Comment
  CDA493  Picea breweriana G. Fred Hrusa 1998-7-5 14675 Siskiyou Happy Camp- O Brien Rd; S side below summit. Comment
  RSA31097  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou Sugar Creek, a tributary of the Scott River, NW of Callahan. Mount Diablo Meridian. 1433 Comment
  JEPS35941  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  NY29988  Picea breweriana H. A. Thomas 1943-7-7 8693 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
  SEINET7368239 Image available Picea engelmannii L. E. Berriman 1940-1 Siskiyou Sugar Creek, a tributary of the Scott River (sec. 20 T 40 N R 9 W) Mount diable Meridian. 1433 Comment
  CAS-BOT-BC73398  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Summit of Black Butte. 1905 Comment
  HSC19111  Pinus albicaulis J. O. Sawyer 1969-7-10 1297 Siskiyou Ridges E of Russian Peak 2256 Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  UCD134319  Pinus albicaulis Robert E. Preston 2001-6-30 1649 d Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC73385  Pinus albicaulis G. A. Coleman 1901-8-16 s.n. Siskiyou Mt. Shasta, on rocky ridge near head of Paulters Creek. 2590 Comment
  NY34637  Pinus attenuata A. A. Heller 1921-7-23 13587 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
  SEINET10530651  Pinus attenuata Katherine L. Morris 1973-5-25 Morris 276 Siskiyou Collected 7.0 mi E of McCloud on Hwy 89 in an area of Pinus ponderosa and Pinus attenuata. Comment
  CAS-BOT-BC73262  Pinus contorta var. latifolia H. A. Thomas 1954-7-24 4516 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  NY61579  Pinus jeffreyi C. G. Pringle 1882-9-7 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
  UC333601  Pinus jeffreyi unknown 1889-6-29 Siskiyou 8 mi w Sisson; N. Calif. Comment
  CAS-BOT-BC73091  Pinus lambertiana Peter H. Raven 1956-9-5 10465 Siskiyou North Fork of the Sacramento River 1584 Comment
  CAS-BOT-BC78782  Pinus lambertiana Carl B. Wolf 1927-8-27 1124 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  JEPS46822  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou from Scott Bar to Scott Valley (Miamber Trail); Miamber Trail Comment
  RSA237207  Pinus lambertiana Frederick W. Oettinger 1967-8-26 329 Siskiyou Southeast of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC78958  Pinus monticola H. A. Thomas; J. H. Thomas 1954-7-24 4517 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UC141586  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1524 Comment
  RSA237359  Pinus washoensis Frederick W. Oettinger 1968-9-4 701 Siskiyou On a northwest-tending ridge from the peak between Abbotts Lake and Lake of the Island---just below the peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC922362  Piperia unalascensis Annie M. Alexander and Louise Kellogg 1949-7-31 5907 Siskiyou lower end Sky High Valley; Marble Mountains 1767 Comment
  UC725971  Plagiobothrys A. A. Heller 1929-5-4 14859 Siskiyou Yreka Comment
  CDA40677  Plagiobothrys greenei E. Hale 1984-5-8 s.n. Siskiyou Along Deer Meadow Road, near Yreka. 0 Comment
  UC78224  Plagiobothrys hispidulus T. S. Brandegee July, 1889 Siskiyou Sisson's Comment
  CAS-BOT-BC231003  Plagiobothrys hispidulus Gilbert Muth 1966-7-19 424 Siskiyou Horse pasture above camp, Marble Mountains 1798 Comment
  UC450116  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka hills Comment
  JEPS7128  Plantago lanceolata W. L. Jepson 1940-6-22 19970 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  HSC67711  Platanthera dilatata var. leucostachys John S. Palmer 1980-7-24 611 Siskiyou Elk Hole 1503 Comment
  SBBG25937  Platanthera dilatata var. leucostachys D. Myrick 1966-8-8 1491 Siskiyou rd to Carter Ranch Mtn Meadow Ranch, Big Flat 1584 Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  HSC69088  Platanthera sparsiflora Maralyn A. Renner 1980-8-6 2311 Siskiyou Cracker Meadow 1555 Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  RSA48224  Plectritis congesta subsp. brachystemon Roxana S. Ferris, Laura Lorraine 1948-6-12 11726 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CHSC86624  Plectritis macrocera Jenny Marr 1993-7-1 7 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  POM67770  Plectritis macrocera subsp. grayi Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC261048  Poa Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Hwy 96, between Ridge and Humbug Roads 1371 Comment
  RSA184792  Poa Gilbert Muth 1966-7-17 403 Siskiyou Trail to lookout, Marble Mts. 1829 Comment
  RSA484227  Poa M. B. Dunkle 1945-1 9325 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC254616  Poa X limosa David D. Keck 1949-7-19 6343 Siskiyou 2 miles S of Grenada, long RR right-of-way 777 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
  RSA239047  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou Southwest of Wire Grass meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA484232  Poa bulbosa L. C. Wheeler 1935-5-11 3479 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC246633  Poa howellii Alice Eastwood 1923-5-27 11950 Siskiyou Shasta Springs, on road to McCloud Comment
  HSC92155  Poa pringlei Jennifer Whipple 1977-7-20 1977 Siskiyou South face of Mt. Eddy. 2470 Comment
  RSA215630  Poa pringlei Gilbert Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak 2226 Comment
  UC642584  Poa pringlei Jason Swallen 1939-7-26 13755 Siskiyou lava slopes below Lake Helen (on Summit Trail); Mt Shasta Comment
  UC167209  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
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Jan 27 2015
  SEINET10869056  Poa rhizomata George D. Butler 1910-4-21 Butler 1205 Siskiyou Comment
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  CDA18408  Poa secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-28 2594 Siskiyou Cascade Range; 2.5 miles south of Grenada Station, 0 Comment
  POM215748  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  RSA239035  Poa secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou west-northwest of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC243220  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11719 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], E fork of Scott River Comment
  CHSC88405  Poa secunda subsp. secunda Jenny Marr 1993-7-1 164 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC10780  Poa secunda subsp. secunda R. C. Wunner 1965-6-29 305 Siskiyou Lava Beds N. M., Upper Cadwell Ice Cave, near entrance. 1433 Comment
  UC197103  Poa secunda subsp. secunda Geo. D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1219 Comment
  CDA32654  Poa secunda subsp. secunda G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2775 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  JEPS100989  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-12 10870 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  SEINET4557454  Polemonium californicum Ira L. Wiggins 1955-1 13574 Siskiyou Between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  CAS-BOT-BC6420  Polemonium shastense Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  CAS-BOT-BC74167  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner's ranch on old road to Lava Beds, near north boundary of the National Monument. Comment
  JEPS93852  Polyctenium fremontii var. fremontii Vernon H. Oswald and Lowell Ahart 1998-6-11 9200 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UCD109718  Polygala cornuta J. P. Smith; Steve Selva 1970-7-14 3858 Siskiyou Exact location unknown. Comment
  CAS-BOT-BC170344  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 miles north of Dunsmuir 1005 Comment
  UC484058  Polygala cornuta var. cornuta Carl B. Wolf 1930-10-22 1756 Siskiyou along Pacific Highway 3 mi n Mt. Shasta City 1219 Comment
  JEPS50517  Polygonum convolvulus Geo. D. Butler 1908-8-29 197 Siskiyou near Oro Fino; Marlahan Ranch Comment
  JEPS50536  Polygonum davisiae Louis C. Wheeler 1935-6-27 3601 Siskiyou Etna Creek Marble Mts. (head) 1798 Comment
  JEPS84296  Polygonum davisiae L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6416 Siskiyou e slope of mt. town of Seiad Valley (ca 5 mi n, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  RSA50151  Polygonum davisiae E. K. Balls 1949-7-9 13946 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  CAS-BOT-BC414594  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  HSC19292  Polygonum douglasii J. O. Sawyer 1969-7-24 1495 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  UC375148  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-14 1779 Siskiyou Shackleford Creek Comment
  UC850088  Polygonum douglasii subsp. douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake Marble Mts. Comment
  UC164039  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  POM211511  Polygonum douglasii var. latifolium Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  POM312533  Polygonum kelloggii H. L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake. Comment
  JEPS24027  Polygonum minimum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6890 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  RSA82767  Polygonum newberryi J. M. Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Siskiyou County. alt 7900ft. 2409 Comment
  RSA237779  Polygonum persicaria Frederick W. Oettinger 1969-8-14 1565 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  SDSU9659  Polygonum phytolaccifolium D. F. Howe 1965-8-8 4127 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1735911  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 1990-6-12 10872 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  CAS-BOT-BC420066  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-24 10752 Siskiyou Castle Lake Comment
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  CAS-BOT-BC109281  Polygonum shastense A. A. Heller 1939-7-27 15433 Siskiyou Mount Shasta. Border of Panther Meadow, upper edge of the Canadian Life Zone. 2438 Comment
  RSA233674  Polygonum shastense Robert F. Thorne 1969-8-10 38987 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SBBG21921  Polygonum shastense D. Myrick 1964-7-25 957 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  SDSU9667  Polygonum shastense D. F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC185761  Polygonum shastense Milo S. Baker July 1899 Siskiyou near Sissons (e slope of mt.); Mt. Shasta, Sacramento River Comment
  UCD100901  Polygonum shastense Jack Major 1961-7-14 652 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CAS-BOT-BC76832  Polypodium glycyrrhiza Lincoln Constance; Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River, 4 miles east of Seiad. 457 Comment
  UCD91021  Polypogon interruptus Chandler Jensen 1957-4-29 s.n. Siskiyou Redding Airport, Redding. Comment
  RSA693318  Polystichum imbricans B. C. Templeton 1957-6-22 s.n. Siskiyou Near the summit of Scott Mt. Comment
  RSA693319  Polystichum imbricans Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  UC338377  Polystichum lemmonii J. G. Lemmon and wife Sep 1889 Siskiyou s slope Mt. Eddy (near Mt. Shasta) Comment
  CAS-BOT-BC72397  Polystichum lonchitis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  POM210928  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1982 Comment
  CAS-BOT-BC102764  Populus tremuloides Doris K. Kildale 1928-8-18 6492 Siskiyou head of North Fork of Salmon River at [Finley's] Finley Upper Camp Comment
  RSA237998  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou N of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC30478  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-21 1473 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  UC1265463  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-22 1494 Siskiyou bottom of Horses Hole (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  HSC61506  Potamogeton crispus Ruby Van Deventer Siskiyou Kelley Lake and Trail Comment
  UC61052  Potamogeton natans W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC454097  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Salmon Mountains, western Siskiyou County. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. In Horse's Hole near Horse Range Lake Comment
  CAS-BOT-BC143183  Potentilla breweri John Thomas Howell 1937-7-25 13468 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  JEPS121622  Potentilla gracilis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. SW aspect. Mount Eddy quadrangle. TL04A Comment
  JEPS47175  Potentilla gracilis var. fastigiata W. L. Jepson 1937-7-30 18550 Siskiyou Poker Flat Siskiyou Mts., headwaters of Indian Creek, Poker Flat 1584 Comment
  UC574870  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-22 13277 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC540573  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-29 10985 Siskiyou Pumice Mt. Comment
  RSA120875  Potentilla gracilis var. fastigiata G. D. Barbe 1955-7-7 140 Siskiyou South of Forest Camp, Etna 884 Comment
  POM264923  Potentilla millefolia Louis C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2 miles NW Montague 762 Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  JEPS124565 Image available Prunella vulgaris subsp. lanceolata Rechen 1964-7-8 88 Siskiyou 5.5 miles north of Dead Horse Summit. Comment
  RSA105423  Prunella vulgaris var. lanceolata G. D. Barbe 1955-6-29 40 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  RSA453223  Prunus emarginata Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UCD35440  Prunus emarginata Beecher Crampton 1956-8-21 3851 Siskiyou Sacramento River Canyon just above the north fork junction with the middle and south Forks. 1066 Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  UC1539991  Prunus virginiana var. demissa M. Mitchell 1936-5-12 17 Siskiyou n side of Eaglenest, Lava Beds National Monument, Eaglenest Eaglenest; Lava Beds National Monument, Eaglenest 1584 Comment
  SEINET7412306  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  CAS-BOT-BC239814  Pseudoroegneria spicata Milo S. Baker 1955-6-26 1383 Siskiyou Shasta Val., bet. Weed and Gazelle 914 Comment
  CAS-BOT-BC239815  Pseudoroegneria spicata Geo. D. Butler 1909-6-27 848 Siskiyou Bluff of Klamath River Comment
  UC204803  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1910-7-3 1626 Siskiyou Goosenest Foothills 1219 Comment
  RSA724915  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  HSC45187  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-18 2931 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC80171  Pseudotsuga menziesii Doris K. Kildale 1928-8-18 6431 Siskiyou North Fork Salmon River at Finley Camp Comment
  RSA639072  Pseudotsuga menziesii L. C. Wheeler 1958-8-18 7397 Siskiyou West Fork Seiad Creek. Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  HSC19192  Pteridium aquilinum var. pubescens J. O. Sawyer 1968-6-25 308 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC17963  Pterospora andromedea R. C. Wunner 1965-7-17 399 Siskiyou Lava Beds National Monument. Along upper edge of Black Lava flow near Old Ticner Rd. 1616 Comment
  UCD91862  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  SD104903  Purshia tridentata Darley Howe 1979-6-26 Siskiyou Military Pass Rd, 3 mi. SE of Ca. Hwy 97, near Granada Comment
  CAS-BOT-BC147894  Purshia tridentata var. tridentata Nancy Ryan Zabriskie; Walter Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  CAS-BOT-BC147895  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CAS-BOT-BC147904  Purshia tridentata var. tridentata Alice Eastwood 1912-7-19 1232 Siskiyou Mount Shasta Comment
  CAS-BOT-BC147910  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. northeast of Weed along Highway #97 Comment
  RSA449670  Purshia tridentata var. tridentata Bonnie C. Templeton 1964-6-9 10065 Siskiyou Slope of Mt. Shasta Comment
  UC1128548  Purshia tridentata var. tridentata H. A. Jensen 1933-8-7 341 Siskiyou adjoining Black Butte; Shasta National Forest, Dunsmuir Quad. 1188 Comment
  POM62291  Pycnanthemum californicum E. B. Copeland 1903-8-12 3837 Siskiyou Sisson. Comment
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Jan 23 2011
  CAS-BOT-BC460874  Pyrola aphylla Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  JEPS66564  Pyrola crypta W. L. Jepson 1940-6-27 20038 Siskiyou East slope of Mt. Shasta 1828 Comment
  JEPS25873  Pyrola dentata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7446 Siskiyou Along Happy Camp - Takilma road, about 2 miles above West Branch Ranger Station, Siskiyou Mountains 670 Comment
  UCD13255  Pyrola dentata K. F. Mawdsley 1996-7-9 7 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  CAS-BOT-BC462801  Pyrola dentata Doris K. Kildale 1929-7-20 8646 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  RSA0080484  Pyrola dentata Marion Ownbey, Fred G. Meyer, Findley Ownbey 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
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May 8 2018
  CHSC1411  Pyrola picta V. Holt 1932-7-25 Siskiyou Castle Lake. 1950 Comment
  RSA0084305  Pyrola picta Diana D. Jolles, Erik M. Beaston 2011-7-3 440 Siskiyou Shasta-Trinity National Forest (Shasta Unit). Area is about 5 miles south-southeast of Bartle. On 39N06 road between Highway 89 and Pacific Crest Trail, just past Bartle Gap. 1478 Comment
  CAS-BOT-BC466142  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC466151  Pyrola picta Wm. Bridge Cooke 1938-8-5 11456 Siskiyou Sisson Southern Trail, Mount Shasta [one specimen observed at 9000'] 1828 Comment
  JEPS109773  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 2002-7-27 18279 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  HSC103623  Pyrrocoma racemosa var. pinetorum Thomas W. Nelson, Jane Nelson 1980-8-23 6314 Siskiyou At head of Mule Creek, just north of the Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC362386  Pyrrocoma racemosa var. racemosa Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC68602  Quercus chrysolepis Carl B. Wolf 1927-8-26 1079 Siskiyou on the Klamath River, 4 mi below Hamburg Comment
  UC70408  Quercus chrysolepis Milo S. Baker Jul 1899 Siskiyou near Dunsmuir; Sacramento River Comment
  JEPS37853  Quercus garryana Geo. D. Butler 1908-7-4 492 Siskiyou near mouth of Shasta River Comment
  CAS-BOT-BC94656  Quercus garryana W. R. Dudley 1899-8-25 s.n. Siskiyou East Scott's Creek near Parker's Comment
  UCD46153  Quercus garryana Edward Lee 1934-8-15 1126 Siskiyou Summit of Happy Camp- Waldo (one) Road. Indian Creek watershed. Klamath National Forest. 1615 Comment
  UCSB60633  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  UCD46169  Quercus garryana var. semota Frederick W. Oettinger 1968-8-18 574 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness area. 1920 Comment
  CAS-BOT-BC104348  Quercus sadleriana John Thomas Howell; Gordon H. True 1972-6-8 48854 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC104350  Quercus sadleriana Doris K. Kildale 1929-6-20 8613 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC104368  Quercus sadleriana Wayne Roderick 1981-7-4 s.n. Siskiyou Cook & Green Pass 1371 Comment
  RSA183494  Quercus sadleriana Sandra Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  RSA237866  Quercus sadleriana Frederick W. Oettinger 1969-9-4 1668 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  SBBG83415  Quercus sadleriana R. Gankin, H. Brewer, D. Hildreth, K. Milam 1965-8-11 607 Siskiyou Indian Crk Rd, 5.6 mi S of Californica- Oregon state line Comment
  UCD47243  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-12 20274 Siskiyou Horse Creek to Dry Lake Lookout, 2 miles west of Lookout, Siskiyou County. 1920 Comment
  UCD47247  Quercus sadleriana R. G. Schultz 1965-10-1 2 ,3,5 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCD47252  Quercus sadleriana R. G. Schultz 1965-10-1 1 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  CAS-BOT-BC104644  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  HSC69126  Quercus vacciniifolia Maralyn A. Renner 1980-8-7 2382 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC69236  Quercus vacciniifolia Maralyn A. Renner 1980-9-1 2709 Siskiyou S side of Devil's Punchbowl 1829 Comment
  RSA237825  Quercus vacciniifolia Frederick W. Oettinger 1968-9-1 641 Siskiyou On rocky ridge of Franz Peak NNE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UCD15034  Ranunculus John M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake; Comment
  POM269514  Ranunculus alismifolius var. hartwegii Elmer I. Applegate 1931-4-24 6808 Siskiyou W side of Medicine Lake. 1982 Comment
  UC1265404  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Abbot's Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1767 Comment
  CHSC86638  Ranunculus californicus Jenny Marr 1993-7-1 21 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  UC70366  Ranunculus flammula Milo S. Baker 1898-8-1 511 Siskiyou Medicine Lake Comment
  UC71955  Ranunculus flammula Milo S. Baker Aug, 1896 Siskiyou near Payne's Springs Comment
  HSC40653  Ranunculus occidentalis var. occidentalis J. P. Smith 1973-5-5 6461 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  POM99442  Ranunculus orthorhynchus Geo. D. Butler 1910-4-21 1214 Siskiyou Oro Fino Comment
  RSA604936  Ranunculus populago Louis C. Wheeler 1935-7-23 3685 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  UC870845  Rhamnus californica A. A. Heller 1916-7-22 12490 Siskiyou e side Mt. Eddy Comment
  POM211390  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  POM210877  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA7759  Rhamnus rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte Mt. Shasta Comment
  CAS-BOT-BC109793  Rhodiola integrifolia subsp. integrifolia Gilbert Muth 1966-7-31 474 Siskiyou North side of Black Mountain. Marble Mountains. 2057 Comment
  HSC19474  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-24 1461 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  UCSB24750  Rhododendron macrophyllum Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass, north of Seiad Valley 1676 Comment
  HSC69107  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-8-6 2300 Siskiyou Cracker Meadow 1555 Comment
  RSA471030  Rhododendron occidentale var. paludosum Maude Minthorn 1922-06 s.n. Siskiyou Near California - Oregon Line Comment
  CAS-BOT-BC200743  Rhus aromatica L. R. Short 1933-5-24 132 Siskiyou Klamath National Forest. Bank of Klamath River 548 Comment
  CHSC4532  Ribes J. E. Bowlin 1967-7-18 42 Siskiyou Ca. 3.4 mi w of Mount Shasta Ski Bowl. On side of road in chapperal, and brush. 2164 Comment
  CAS-BOT-BC92537  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  HSC44980  Ribes binominatum J. O. Sawyer 1978-6-21 3283 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  UC1037214  Ribes cereum Leo Whitney 1934-6-17 1577 Siskiyou Canyon side Mount Shasta 2438 Comment
  CAS-BOT-BC6177  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  JEPS49410  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 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
  JEPS84053  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 a Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  RSA47619  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11768 Siskiyou 6 miles from Etna on forks of Salmon Road 1677 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  UC570823  Ribes lobbii Dorothy Tebbe 1929-6-12 15 Siskiyou White's Gulch Salmon Mountains Comment
  HSC33925  Ribes marshallii J. O. Sawyer 1968-7-2 382 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UCD78096  Ribes montigenum Robert E. Preston 2001-7-21 1713 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2036 Comment
  SEINET13942692 Image available Ribes nevadaense A. A. Heller 2015-1 12244 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  UC455587  Ribes nevadense I. J. Condit 1911-7-17 Siskiyou Trail R.R. Station to Hotel Shasta Springs Comment
  RSA0018040  Ribes roezlii H. K. Wagnon, G. D. Barbe 1957-6-16 13127 -MSB Siskiyou Scott Mountains up to 1300. Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  RSA0024607  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-11 655 Siskiyou Shasta Retreat. Comment
  RSA0019543  Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road near state line. Comment
  CDA25583  Ribes sanguineum var. sanguineum T. C. Fuller 1958-6-18 1790 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  UC162062 Image available Ribes velutinum A. A. Heller 1905-6-9 8005 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  RSA0020885  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  LA86537  Ribes viscosissimum John M. Tucker; 1963-7-7 3710 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  RSA238851  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou Due SSW of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  CDA33348  Rorippa columbiae Dale Woods 2010-9-9 s.n. Siskiyou In the vicinity of Medicine Lake (Dry Lake). 0 Comment
  JEPS84104  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  CAS-BOT-BC74656  Rorippa curvisiliqua Doris K. Kildale 1928-8-20 6593 Siskiyou Lily Pad Lake, near Hancock Lookout trail to Marble Mountain. 2133 Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC165303  Rorippa nasturtium-aquaticum Geo. D. Butler 1909-6-5 1056 Siskiyou near Yreka; near Yreka Comment
  CDA22999  Rorippa nasturtium-aquaticum F. D. Horn 1980-7-2 s.n. Siskiyou Roadside, Highway 96 about 10 miles N. of Somes Bar. 0 Comment
  UC136511  Rosa gymnocarpa Dr. E. B. Copeland 1903-9-5 3874 Siskiyou foot Mt. Eddy 1219 Comment
  SEINET3157438  Rosa gymnocarpa G. D. Butler 1910-8-7 1816 Siskiyou Humbry Mt. 1219 Comment
  UC2046561  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 a Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  CAS-BOT-BC147071  Rosa pisocarpa Alice Eastwood 1912-7-17 1166 Siskiyou Sisson Comment
  HSC29495  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Marble Mtn. Wilderness Area, Wire grass meadow near English Lake 1799 Comment
  HSC29498  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou Marble Mtn. Wilderness area, Diamond Lake on way to English Lake 2058 Comment
  UC1871385  Rosa pisocarpa Barbara Ertter 2006-7-30 18742 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, 2.2 mi N of intersection with Little Shasta Road. 1584 Comment
  UC527337  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou at roadside near Fish Hatchery; Mt. Shasta City (Sisson) 1066 Comment
  CAS-BOT-BC147142  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Klamath National Forest, Bear Creek 1767 Comment
  HSC36758  Rubus laciniatus Brent Whitely 1975-7-11 156 Siskiyou 229 Comment
  RSA150573  Rubus laciniatus Lee W. Lenz 1961-6-22 24359 Siskiyou 9 miles from the forks of the Salmon River on road to Somes Bar. 396 Comment
  HSC48288  Rubus lasiococcus J. O. Sawyer, K. Stillman 1978-7-6 3297 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC61949  Rubus lasiococcus Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS47797  Rubus lasiococcus W. L. Jepson 1937-7-30 18563 Siskiyou Poker Flat Siskiyou Mts., (headwaters Indian Creek) 1584 Comment
  CAS-BOT-BC147977  Rubus leucodermis Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC147983  Rubus leucodermis D. E. Breedlove 1962-6-10 3308 Siskiyou On steep east bank of Indian Creek, along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  JEPS44738  Rubus parviflorus W. L. Jepson July 1894 13879 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  UC1409343  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou e side Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  SEINET7706892  Rubus parviflorus G. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC157162  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  POM366453  Rubus vitifolius M. B. Dunkle 1944-6-25 9027 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC363169  Rudbeckia californica L. E. Smith 1913-7-4 s.n. Siskiyou Railroad to Castle Lake Comment
  CAS-BOT-BC363172  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  CAS-BOT-BC363209  Rudbeckia occidentalis William M. Hiesey 1947-8-23 554 Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 miles north of the Klamath River (10 miles N.W. of Gottville). Along streamcourse of Beaver Creek 701 Comment
  CAS-BOT-BC422228  Rumex acetosella Wm. Bridge Cooke 1938-8-21 11549 Siskiyou Mount Shasta. At Horse Camp. Comment
  UC618814  Rumex crispus W. Bridge Cooke 1938-7-15 11198 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UC166121  Sagina saginoides Geo. D. Butler 1910-7-12 1764 Siskiyou Shackleford Creek 1219 Comment
  HSC67667  Salix eastwoodiae John Palmer 1980-7-24 587 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA201499  Salix eastwoodiae J. T. Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA238022  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou Near Horse's Hole. Horse Range Lake Basin. The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  POM106927  Salix exigua Geo. D. Butler 1908-6-25 150 Siskiyou Near Yreka. Comment
  HSC76986  Salix jepsonii K. T. Stillman 1976-6-25 76 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  UCSB10876  Salix lasiandra Bracelin, H. 1931-6-19 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City 1200 Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UCD111542  Salix lasiandra var. lasiandra Beecher Crampton 1969-6-19 8474 Siskiyou 1 mile north of Edgewood along the Shasta River. Comment
  CAS-BOT-BC107071  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1500 Comment
  UC576391  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 854 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  POM220465  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  CAS-BOT-BC124546  Salix lasiolepis var. lasiolepis Doris K. Kildale 1928-7-1 5322 Siskiyou Forks of Salmon - Salmon River Comment
  CAS-BOT-BC124893  Salix lemmonii A. A. Heller 13705 Siskiyou On the shore of Medicine Lake 2133 Comment
  SEINET11957679  Salix monochroma Unknown 1965-1 1061 Siskiyou Johnson Creek, near Etna 0 Comment
  CAS-BOT-BC126149  Salix scouleriana Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  RSA238267  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  SBBG28808  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  SJSU169  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou E of Metcalf ranch house, N base of Mt Eddy c. 10 km NW of Shasta City 1079 Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 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
  UC482263  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above creek in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  UC482267  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  HSC4806  Salsola tragus R. C. Wunner 1965-7-21 407 Siskiyou Lava Beds National Monument, near Captain Jack's Stronghold. 1220 Comment
  RSA200635  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E. H. Marlow prop., Greenhorn Valley, ca. 2 mi. W of Yreka. Comment
  RSA31143  Salvia sonomensis A. A. Heller 1905-6-16 s.n. Siskiyou Near Sisson Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  JEPS106456  Sambucus mexicana J. K. Nelson 2004-8-29 2004 -94 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  CAS-BOT-BC238882  Sambucus nigra subsp. caerulea Gilbert Muth 1965-8-2 s.n. Siskiyou 1/2 between Gate & Lower Sky High Lakes Comment
  CAS-BOT-BC238890  Sambucus nigra subsp. caerulea Elmer I. Applegate 1935-6-5 9304 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC236478  Sambucus racemosa subsp. racemosa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek 1828 Comment
  UC114600  Sanguisorba annua Brandegee July 1887 Siskiyou Hornbrook Comment
  UC54364  Sanguisorba annua H. M. Hall and E. B. Babcock June, 1903 4046 Siskiyou at 18th crossing near Sisson (Mount Shasta); Sierra Nevada Mountains, , at 18th crossing 1036 Comment
  HSC61165  Sanicula graveolens Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  UC909335  Sanicula tuberosa Ira L. Wiggins 1950-5-28 12381 Siskiyou just above Grouse Lake (headwaters of Grouse Creek); headwaters of Grouse Creek 1737 Comment
  RSA210860  Sarcobatus vermiculatus James Henrickson, C. Tilforth 1969-9-3 39040 Siskiyou 2 mi W of Lower Kalmath National Wildlife refuge 1296 Comment
  HSC24696  Sarcodes sanguinea J. O. Sawyer 1969-6-12 884 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  UC63944  Sarcodes sanguinea Harley P. Chandler June, 1901 1574 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 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
  UC909373  Saxifraga aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi w of Carmen Lake 1706 Comment
  CDA25435  Saxifraga fallax T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA238316  Saxifraga ferruginea Frederick W. Oettinger 1967-7-20 174 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA238322  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 1037 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  RSA261468  Saxifraga odontoloma J. M. Tucker 1963-8-19 3778 Siskiyou Headwaters of Canyon Creek. At the E base of Marble Mountain. Marble Mountain Wilderness Area. 1951 Comment
  JEPS47548  Saxifraga oregana W. L. Jepson July 1894 13476 Siskiyou Sisson Comment
  CHSC100002  Saxifragopsis fragarioides L. P. Janeway 2008-7-26 9506 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  SEINET10628252 Image available Saxifragopsis fragarioides Cyrus G. Pringle 1882-9-5 Pringle 14509 Siskiyou Cliffs overhanging Castle Lake. Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  JEPS75307  Schoenoplectus acutus var. occidentalis Geo. D. Butler 1909-10-10 1092 Siskiyou swampy place 1 mi n Yreka; n of Yreka Comment
  CAS-BOT-BC35599  Scirpus congdonii Louis C. Wheeler 1934-8-14 3126 Siskiyou North side of White Mtn. 1767 Comment
  HSC19543  Scirpus congdonii J. O. Sawyer 1969-7-18 1412 Siskiyou Head of S Russian Creek 1829 Comment
  JEPS63953  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka; near Yreka Comment
  HSC30680  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Upper English Lake 1768 Comment
  POM215862  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley. 884 Comment
  UC852754  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Scott Valley Greenview; Scott Valley 883 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south 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
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  JEPS94857  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  RSA240087  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-12 1333 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  UC909317  Scutellaria antirrhinoides Rodney Gregg 1948-8-1 Siskiyou Gazelle Mountain 1219 Comment
  UC164004  Scutellaria siphocampyloides Geo. D. Butler 1910-5-23 1401 Siskiyou near Yreka Comment
  CAS-BOT-BC59188  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Janyes Canyon 1920 Comment
  HSC69136  Sedum laxum Maralyn A. Renner 1980-8-8 2482 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  HSC24117  Sedum laxum subsp. heckneri J. O. Sawyer 1970-7-6 2330 Siskiyou 1662 Comment
  SD243329  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou Klamath Range. W side of FS Road 1040, 2.9 road miles above junction with FS 10, above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains. 675 Comment
  HSC81579  Sedum obtusatum subsp. obtusatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6088 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC50569  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10145 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2105 Comment
  HSC69123  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-8-7 2385 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC25457  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5652 Siskiyou E of Cook and Green Pass 1524 Comment
  SEINET8923801  Sedum oregonense P. Zika 2011-7-19 25647 Siskiyou Klamath Range (KR), Siskiyou Mountains, near Pacific Crest Trail, 1 air mile WNW of Copper Butte. 1610 Comment
  RSA297042  Sedum oregonense John F. Emmel 1974-7-19 514 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  UC1408848  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC371152  Selaginella wallacei G. D. Butler 1909-7-20 874 Siskiyou Highland Mine Comment
  JEPS79405  Selaginella wallacei Edward Lee 1934-8-12 1044 Siskiyou between Hamburg and Seiad Valley (n side Klamath River near mouth of Walker Creek) 426 Comment
  POM210934  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  UC618631  Senecio aronicoides W. Bridge Cooke 1938-6-17 11013 Siskiyou Sisson Southern Trail Mount Shasta 1524 Comment
  CAS-BOT-BC363942  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1941-8-11 10505 Siskiyou Slopes above Medicine Lake. Shasta National Forest Comment
  SD52959  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U. S. Highway 97, 12.3 miles south of Macdoel. Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS101631  Senecio streptanthifolius var. laetiflorus Dean W. Taylor 1998-6-17 16559 Siskiyou base of hillslopes ca. 4 miles S of Gazelle, bordering Shasta Valley (ca. 15 air mi S Yreka) Comment
  CAS-BOT-BC364432  Senecio triangularis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  HSC69336  Senecio triangularis John Palmer 1980-8-13 780 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  UC722747  Senecio triangularis C. L. Hitchcock and J. S. Martin 1939-7-6 5204 Siskiyou 2 mi within California boundary on Takilma- Happy Camp road; Siskiyou Mts. 1554 Comment
  RSA237595  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Near Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  CAS-BOT-BC213143  Sidalcea Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  POM299543  Sidalcea glaucescens Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou Summit of Siskiyou Mountain, 21 miles north of Happy Camp. Comment
  POM84653  Sidalcea malviflora subsp. asprella Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  HSC46130  Sidalcea malviflora subsp. nana J. P. Smith 1976-5-5 8703 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC60777  Sidalcea oregana Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA82759  Sidalcea oregana subsp. oregana J. M. Tucker 1950-7-24 1959 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  UC1299200  Sidalcea oregana subsp. oregana Freed W. Hoffman 1951-7-15 4032 Siskiyou on w side Kelsey Creek (Hammond Camp, Marble Mountains, western Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  POM84656  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou No location given Comment
  POM84657  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-6 1643 Siskiyou Quartz Valley Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  CAS-BOT-BC181192  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC181197  Silene campanulata subsp. glandulosa L. B. Kildale 1930-6-1 9778 Siskiyou Black Bear Trail to Sawyers Bar Comment
  HSC29622  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-8-9 1315 Siskiyou Marble Mtn. Wilderness Area , below first stream crossing , near Abbott's Upper Cabin, Salmon Mtns. 1524 Comment
  CDA24100  Silene campanulata subsp. greenei F. D. Horn 1978-5-23 s.n. Siskiyou Mathews Creek Guard Station, near Cecilville. 0 Comment
  CAS-BOT-BC388957  Silene grayi John Thomas Howell 1939-8-8 15168 A Siskiyou Black Mt., Marble Mts. Comment
  UCD98595  Silene grayi R. Tofsrud; J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  CAS-BOT-BC388941  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou To the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest 2377 Comment
  CAS-BOT-BC388961  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-6 5227 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  CAS-BOT-BC389434  Silene lemmonii H. A. Thomas; J. H. Thomas 1954-7-21 4426 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  UCSC000259  Silene lemmonii I. J. Condit 2011-7-5 s.n. Siskiyou near Shasta - Mt. Bradley 1524 Comment
  CAS-BOT-BC389530  Silene menziesii John Thomas Howell 1937-7-21 13184 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC75158  Sisymbrium altissimum L. B. Kildale 1930-5-31 9812 Siskiyou Island in Klamath River near Camp Lowe. 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
  HSC64807  Sisymbrium altissimum J. P. Smith 1976-5-21 8776 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  RSA96931  Smilax californica Percy C. Everett, E. K. Balls 1954-10-12 20273 Siskiyou Along Beaver Creek, N of Walker, 4.8 mi S from Beaver Creek Forest Service. 335 Comment
  JEPS93958  Solanum dulcamara Vernon H. Oswald and Lowell Ahart 1998-9-16 9637 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UC884960  Solanum physalifolium var. nitidibaccatum A. A. Heller 1915-8-24 12208 Siskiyou ne base of Mount Eddy (Metcalf's ranch); , Metcalf's ranch 1188 Comment
  HSC469  Solidago elongata William J. Ferlatte 1966-8-3 290 Siskiyou Josephine Lake basin 1677 Comment
  LA203958  Solidago elongata Wm. Bridge Cooke; 1939-7-7 13596 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  UC61053  Solidago elongata W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  CAS-BOT-BC365573  Solidago elongata Elmer I. Applegate 1923-9-7 3957 Siskiyou Doggett Ridge, Siskiyou Mountain, Klamath River canyon Comment
  CHSC114087  Solidago multiradiata Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. 1947 Comment
  CAS-BOT-BC365246  Solidago velutina subsp. californica Doris K. Kildale 1928-8-19 6530 Siskiyou Trail from English Lake to Hancock Lake - on way to Marble Mt. Comment
  UC163917  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  SEINET13695055 Image available Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou Perennial in scattered patches on roadside, S. side of Dorris-Tulelake Road where the roadbed forms the N. shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, 12 mi. W. of Hatfield Comment
  CAS-BOT-BC374521  Sonchus asper R. E. Frenkel 1964-7-13 674 Siskiyou Near Mt. Shasta on an east shoulder of Everitt Memorial Highway 1280 Comment
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  RSA68914  Sparganium angustifolium A. E. Culbertson 1943-8-4 44 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  UCD170026  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Siskiyou Mountains, Miller Glade. 1828 Comment
  CHSC1608  Spiraea densiflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  JEPS93907  Spiraea densiflora Vernon H. Oswald and Lowell Ahart 1998-8-3 9440 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  POM91543  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek. 1677 Comment
  HSC18955  Spiraea douglasii J. O. Sawyer 1969-8-4 1917 Siskiyou South Sugar Creek 2043 Comment
  HSC64781  Spiraea douglasii J. P. Smith, Steve Selva 1970-7-17 4445 Siskiyou 915 Comment
  HSC97382  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1974-8-16 420 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  SEINET3163886  Spraguea umbellata M. S. Baker 1893-1 sn Siskiyou Fall River Valley Comment
  JEPS74519  Stachys ajugoides var. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake Trinity Alps, Josephine Lake Basin 1676 Comment
  RSA768922  Stachys palustris subsp. pilosa L. Ahart, John Dittes 2010-7-30 16948 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CHSC88120  Stellaria longipes var. longipes Jenny Marr 1993-7-1 130 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC97382  Stellaria longipes var. longipes Jenny Marr 2006-6-18 233 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  SEINET5337369  Stellaria nitens G. Butler 1909-3-16 581 Siskiyou Butler's Ranch. Comment
  CAS-BOT-BC375641  Stephanomeria lactucina Alice Eastwood 1917-9-2 6644 Siskiyou Shasta Springs Comment
  JEPS36869  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  HSC6237  Stephanomeria paniculata R. C. Wunner 1965-8-21 458 Siskiyou California Lava Beds National Monument; 1 1/2 mi. from NW Ranger Residence along Main Rd. 1220 Comment
  HSC71189  Stipa occidentalis var. californica M. A. Baker 1980-6-20 2221 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC61133  Streptanthus barbatus G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2428 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1.5 mile west of Mount Shasta City. 1188 Comment
  HSC27005  Streptanthus barbatus J. P. Smith, J. O. Sawyer 1972-9-12 5773 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  HSC70595  Streptanthus barbatus J. O. Sawyer, R. J. Cole 1981-7-2 4157 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CAS-BOT-BC87854  Streptanthus tortuosus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16492 Siskiyou At quarry on Glass Mountain. Comment
  CAS-BOT-BC87856  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Above Horse Camp and around the Horse Camp fountain overflow. 2438 Comment
  HSC591  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake Basin 1677 Comment
  RSA211226  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  POM95331  Streptanthus tortuosus Geo. D. Butler 1909-7-15 893 Siskiyou Russian Creek. 1829 Comment
  UC212466  Streptanthus tortuosus var. orbiculatus G. B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2438 Comment
  SEINET10874443  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-19 Taylor 3268 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  JEPS73712  Streptanthus tortuosus var. tortuosus L. R. Heckard with T. I. Chuang 1968-7-3 1973 Siskiyou just off Hwy. 5 s.e. of Black Butte and w. of Mt. Shasta (City) 1173 Comment
  CAS-BOT-BC516441  Streptopus amplexifolius W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mts. Comment
  SD61056  Suaeda calceoliformis Darley F. Howe 1964-8-5 3939 Siskiyou 13.4 miles east of junction with Highway 97 on state line road. 1220 Comment
  UCD99558  Suaeda calceoliformis Verne Grant; Irving Scheider 1947-8-26 8300 Siskiyou by Interstate Highway, Lower Klamath Lake. Comment
  HSC60776  Suksdorfia ranunculifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC65266  Suksdorfia ranunculifolia Rich White 1977-7-7 114 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  RSA211326  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC909316  Swertia albicaulis var. nitida Dorothy Parker 1948-7-11 103 Siskiyou near Beswick; Shovel Creek 1011 Comment
  UC154175  Swertia radiata Harley P. Chandler Jun 1901 1709 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1524 Comment
  RSA105341  Symphoricarpos acutus G. D. Barbe 1955-8-1 334 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  RSA273340  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 1.2 mile W of Cook & Green Pass on road to Lily Pad Lake. Comment
  SFV5157  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  HSC18890  Symphoricarpos mollis J. O. Sawyer 1968-6-25 334 Siskiyou 1646 Comment
  CAS-BOT-BC97873  Symphyotrichum eatonii Geo. D. Butler 1910-8-13 1829 Siskiyou Quartz Valley Comment
  RSA238709  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC72226  Symphyotrichum frondosum Vernon H. Oswald; Lowell Ahart 1998-9-16 9645 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC98435  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 8810 Siskiyou Young's Valley, trail to Preston Peak 1371 Comment
  CAS-BOT-BC98855  Symphyotrichum spathulatum var. intermedium Geo. D. Butler 1910-9-11 1880 Siskiyou Near Edgewood Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  SD88328  Taraxia tanacetifolia Darley F. Howe 1972-7-8 4880 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 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
  UC1190267  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou diversion dam China Creek 1158 Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  CAS-BOT-BC447415  Tellima grandiflora Alice Eastwood 1923-5-18 11847 Siskiyou Shasta Springs Comment
  HSC29429  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's lake 1860 Comment
  CAS-BOT-BC399880  Thalictrum polycarpum G. Muth 1966-7-17 408 Siskiyou Marble Valley Comment
  CAS-BOT-BC88071  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC65025  Thelypodium laciniatum Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mount Shasta, south of Hwy 97. Quadrangle 764 Juniper Flat. 1100 Comment
  HSC29434  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Marble Mtn. Wilderness Area, SW shoreline of Abbotts Lake 1723 Comment
  UC375348  Thlaspi arvense Geo. D. Butler 1909-4-21 1108 Siskiyou near Yreka; near Yreka Comment
  HSC101486  Tiarella trifoliata var. unifoliata J. P. Smith, J. O. Sawyer 2011-7-21 13035 Siskiyou Near Dillon Camp 1358 Comment
  RSA264980  Tofieldia glutinosa subsp. occidentalis G. L. Clifton 1975-7-28 5903 Siskiyou Near Elk Meadow, near Seiad Valley 1634 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
  UC1483561  Tofieldia occidentalis subsp. occidentalis Maralyn A. Renner 1980-6-26 1164 Siskiyou Klamath National Forest 1389 Comment
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  RSA760959  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CAS-BOT-BC447625  Tolmiea menziesii Ira L. Wiggins 1955-7-23 13475 Siskiyou Banks of China Creek 1097 Comment
  HSC70529  Tonella tenella J. P. Smith 1973-5-5 6509 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC72481  Tonella tenella J. P. Smith 1973-5-5 6380 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET13750575  Tonella tenella G. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  OBI8730  Torilis arvensis Tracey & Viola Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath River 1/4 mi E of mouth of Beaver crk 488 Comment
  POM33167  Tragopogon pratensis Geo D. Butler 1910-7-1 1619 Siskiyou Yreka. Comment
  HSC69226  Triantha glutinosa Maralyn A. Renner 1980-8-31 2618 Siskiyou Twin Valley. 1494 Comment
  CAS-BOT-BC519556  Triantha occidentalis subsp. occidentalis W. B. C. 1939-7-7 13611 Siskiyou Siskiyou Comment
  RSA119376  Trifolium breweri S. S. Tillett 1956-7-11 695 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  HSC68550  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 893 Siskiyou Slopes N of Little Shasta River 1372 Comment
  CAS-BOT-BC219045  Trifolium howellii Geo. D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek 1219 Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  HSC19000  Trifolium longipes J. O. Sawyer 1969-7-18 1389 Siskiyou Head of S Russian Creek 1829 Comment
  HSC60773  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC65282  Trifolium longipes Rich White 1978-7-6 254 Siskiyou Pond above Elk Hole 1524 Comment
  UC1005586  Trifolium macrocephalum Frank W. Gould 1940-5-14 1236 Siskiyou Bull Meadows Goosenest Mountain 1524 Comment
  UC338051  Trifolium obtusiflorum Lemmon 1889-6-26 Siskiyou Edgewood Comment
  JEPS109396  Trifolium pratense Dean W. Taylor 2004-7-19 19190 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  HSC92947  Trifolium productum Jennifer Whipple 1977-7-22 2048 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA237892  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou Wiregrass meadow near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  JEPS107918  Triglochin concinna Lowell Ahart, John Dittes 2005-6-9 11999 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA378198  Trillium kurabayashii Anstruther Davidson 1520 Siskiyou Unspecified. Comment
  HSC75148  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5705 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS47255  Trillium ovatum subsp. oettingeri E. L. Greene 1876-1 Siskiyou near Yreka Yreka 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
  HSC26486  Trisetum canescens J. P. Smith, Steve Selva 1970-7-16 4399 Siskiyou Blue Mtn. Comment
  UCD146708  Trisetum canescens G. F. Hrusa 1998-7-5 14676 Siskiyou Cedar Camp Road +/- 5 miles east of Weitchpec on Highway 96. North side of Highway. Mile 8.2. Siskiyou Mountains. Comment
  CAS-BOT-BC200268  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  CAS-BOT-BC200274  Trisetum spicatum Geo. B. Grant 1902-9-1 1305 Siskiyou Mt Shasta Comment
  SEINET10595086  Trisetum spicatum Edwin B. Copel 1903-8-16 Copeland 3895 Siskiyou Mt. Shasta. 2438 Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 Comment
  CAS-BOT-BC133495  Triteleia crocea Clarence R. Quick 1959-6-19 59 -02 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC522341  Triteleia hyacinthina A. A. Heller 1893-6-21 13265 Siskiyou Compton's prairie, north base of Mt. Eddy in the yellow pine belt. 1158 Comment
  CAS-BOT-BC524314  Triteleia ixioides subsp. anilina Mrs. Van Fassen 1925-4-1 s. n. Siskiyou Dunsmuir Comment
  UC1190123  Tsuga mertensiana Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC80248  Tsuga mertensiana subsp. grandicona Annetta Carter 1939-8-21 1465 Siskiyou above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2072 Comment
  CAS-BOT-BC74099  Turritis glabra Wm. Bridge Cooke 1938-7-15 11200 Siskiyou Mount Shasta. Bear Springs. Between the Bear Springs creeks. 1524 Comment
  CHSC105281  Urtica dioica subsp. gracilis Lowell Ahart; John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard 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
  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
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  JEPS80556  Valeriana sitchensis subsp. sitchensis Gilbert Muth 1965-8-6 190 Siskiyou backside of Black Mountain, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Black Mountain, Marble Mountain Wilderness Area 2042 Comment
  POM215872  Valerianella olitoria Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  HSC27716  Vancouveria planipetala Carl W. Mize 1972-6-8 18 Siskiyou Along main trail 305 Comment
  JEPS93882  Ventenata dubia Vernon H. Oswald and Lowell Ahart 1998-7-21 9336 Siskiyou on s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake); Tennant Road 1402 Comment
  UCSB63787  Ventenata dubia Vernon H. Oswald and Lowell Ahart 1998-7-21 9336 Siskiyou collected 0.40 mi SE, along the S-side of Tenant Road to Bray Old State Highway - Tenant Road, Old State Highway and Bray 1523 Comment
  RSA183712  Veratrum californicum Gilbert Muth 1965-8-3 151 Siskiyou Marble Valley, Marble Mts. Comment
  SEINET6221076  Verbascum blattaria A. D. Youngberg 1964-1 21 Siskiyou Happy Camp Airport. R7E T16N sec 10, Humbolt Meridian. Comment
  CHSC8613  Verbascum thapsus G. Smalley 1967-6-17 Siskiyou Collected 6 miles e of Callahan. 1310 Comment
  CAS-BOT-BC238136  Veronica copelandii Alice Eastwood 1912-8-30 2003 Siskiyou Mount Eddy Comment
  RSA238787  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1969-7-11 993 Siskiyou On trail to lower English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UC618896  Veronica wormskjoldii W. Bridge Cooke 1938-9-8 11634 Siskiyou South Gate Springs; Mount Shasta, South Gate Springs 2499 Comment
  JEPS121726  Vicia americana subsp. americana Julie Kierstead Nelson with Jordan Rainbow 2014-5-21 2011 -020 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. Comment
  HSC15245  Vicia americana var. americana D. M. Thomson 1965-6-19 94 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC68503  Vicia americana var. americana Maralyn A. Renner 1980-6-7 787 Siskiyou N of Greenhorn Rd. 1098 Comment
  UC1096836  Vicia americana var. americana Milo S. Baker 1957-6-15 13114 Siskiyou s of Weed 1219 Comment
  HSC71649  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4009 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC65091  Vinca major J. P. Smith 1973-5-5 6567 Siskiyou Scott Bar along the