Search Results — 2000 specimen records retrieved (1386 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78133  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  HSC34996  Abies X shastensis Steve Adams 1975-11-8 Siskiyou N slope of of Rock Creek Butte on GO Rd., Bulk Collection #96 1524 Comment
  HSC4979  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC69329  Abies concolor John Palmer 1980-8-12 749 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC32541  Abies lasiocarpa Steven Lagos 1974-5-26 83 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  JEPS88680  Abies lasiocarpa var. lasiocarpa Donald V. Hemphill 1971-8-16 Siskiyou Deep Lake-Second Valley Trail Klamath National Forest, Scott Bar. Quad. 2194 Comment
  CAS-BOT-BC78104  Abies magnifica John Thomas Howell 1937-7-26 13530 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1045246  Acer glabrum var. glabrum W. Bridge Cooke 1940-7-12 15348 Siskiyou near lower end of the Sisson Southern Trail springs Mount Shasta, Sisson Southern Trail springs Comment
  HSC44987  Acer glabrum var. torreyi J. O. Sawyer 1978-6-19 3242 Siskiyou Marble Mtn. Wilderness Area, ridges E of Shelly Lake 2165 Comment
  CAS-BOT-BC332784  Acer macrophyllum L. R. Short 1933-6-16 46 Siskiyou Klamath Forest. 762 Comment
  CAS-BOT-BC332796  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek Comment
  POM87431  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shakleford Creek Comment
  CAS-BOT-BC336933  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53405 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC30435  Achillea millefolium Carl B. Wolf 1927-8-26 1021 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC160  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Big Flat, near public campground 1524 Comment
  UCD128362  Achillea millefolium J. M. Tucker 1963-8-18 3758 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC18875  Achillea millefolium Alice Eastwood 1912-8-30 s.n. Siskiyou Mounty Eddy Comment
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  CAS-BOT-BC30443  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness 1950 Comment
  RSA238785  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou Ridges above English Lake Basin, Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  RSA696054  Achillea millefolium Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 1006 Comment
  RSA47651  Achnatherum lemmonii var. lemmonii Roxana S. Ferris, Laura Lorraine 1948-06 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  UCD50794  Achnatherum nelsonii subsp. dorei Robert E. Preston 2001-6-23 1621 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  JEPS121759  Achnatherum nevadense B. Castro and L. P. Janeway 2007-7-29 1670 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the N-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its A spur, in the old road-bed on semi-shaded red fir forest floor. Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  UCSB51222  Achnatherum occidentale subsp. pubescens Almanza, Ed 1976-7-12 Siskiyou Mt. Shasta ski lodge. 2316 Comment
  JEPS107345  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC563985  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave Lava Beds National Monument Comment
  POM216195  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  CHSC35551  Acmispon americanus var. americanus J. P. Smith; Steve Selva 1970-7-15 4351 Siskiyou Klamath Nat'l. Forest. Road to Happy Camp. 731 Comment
  CHSC71581  Acmispon americanus var. americanus Vernon H. Oswald; Lowell Ahart 1998-8-3 9415 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  UCD77836  Acmispon americanus var. americanus Robert E. Preston 2002-7-14 1924 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1716 Comment
  HSC27690  Acmispon micranthus Carl W. Mize 1972-6-8 40 Siskiyou Along main trail 366 Comment
  HSC71631  Acmispon micranthus J. P. Smith 1973-5-5 6504 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA24173  Aconitum columbianum F. D. Horn 1979-8-15 Siskiyou Carmen Lake area near Callahan. 0 Comment
  CAS-BOT-BC391506  Aconitum columbianum subsp. columbianum L. E. Smith 1913-7-27 498 Siskiyou McCloud Comment
  CAS-BOT-BC391527  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-7-2 5401 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  RSA0005270  Aconitum geranioides E. B. Copeland 1903-8-13 3890 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC412915  Aconogonon davisiae John Thomas Howell 1937-7-24 13376 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC412918  Aconogonon davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CHSC99992  Aconogonon davisiae L. P. Janeway 2008-7-26 9504 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. 1859 Comment
  HSC58965  Aconogonon davisiae Gilbert Muth 1975-10-1 4440 Siskiyou Near Kangaroo Mtn. 1920 Comment
  HSC61847  Aconogonon davisiae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UCD98556  Aconogonon newberryi Collector unknown Date unknown s.n. Siskiyou location unknown. Comment
  HSC78206  Aconogonon phytolaccifolium L. P. Janeway 1983-7-24 449 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC29325  Adenocaulon bicolor John Thomas Howell 1937-7-21 13186 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC98138  Adenocaulon bicolor J. O. Sawyer 1969-7-23 1451 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  UCD137057  Adiantum aleuticum B. Crampton 1956-8-21 3836 Siskiyou White Ridge, canyon of the South Fork of the Sacramento River. 1371 Comment
  CAS-BOT-BC110722  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Road, 1 mile east of Montague. Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  HSC14193  Agastache parvifolia R. C. Wunner 1965-6-30 314 Siskiyou Lava Beds National Monument, entrance of Big Painted Cave 1418 Comment
  UCLA72413  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  RSA238537  Agastache urticifolia Frederick W. Oettinger 1967-8-13 265 Siskiyou Mid-way along straight line between English Peak & Tom Taylor Cabin at head of Snow-slide Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  SEINET3151422  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  SD76148  Ageratina occidentalis Helen V. Witham 1969-10-6 549 Siskiyou West face, granit cliffs above Kangaroo Lake. 2100 Comment
  UCD128554  Ageratina occidentalis H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  CAS-BOT-BC15482  Agoseris X dasycarpa Alice Eastwood 1921-7-29 10959 Siskiyou Medicine Lake Comment
  CAS-BOT-BC15485  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10921 Siskiyou Medicine Lake Comment
  CAS-BOT-BC21370  Agoseris aurantiaca var. aurantiaca G. J. Muth 1969-8-8 1293 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC21374  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  HSC45207  Agoseris glauca var. glauca J. O. Sawyer, E. Cope 1977-6-20 2971 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CHSC98747  Agoseris glauca var. monticola L. P. Janeway; B. Castro 2007-7-29 9139 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  HSC2260  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC15383  Agoseris grandiflora var. grandiflora Alice Eastwood; John Thomas Howell 1937-6-26 5064 Siskiyou Near Fork of Salmon River Comment
  UC61075  Agoseris heterophylla W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  RSA184778  Agrostis Gilbert Muth 1966-7-31 478 Siskiyou North side of Black Mountain, Marble Mountains. 2073 Comment
  CAS-BOT-BC126983  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  UC1025005  Agrostis exarata Leo Whitney 1935-7-15 3468 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UC618637  Agrostis exarata W. Bridge Cooke 1938-7-15 11223 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  CAS-BOT-BC139560  Agrostis gigantea David D. Keck 1938-8-7 4857 Siskiyou Scott mountain Lodge, 2 miles east of Callahan, on east Fork of Scott River at junction with Mill Creek. 1000 Comment
  CAS-BOT-BC139572  Agrostis gigantea W. A. Dayton 1912-7-29 172 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  RSA239080  Agrostis pallens Frederick W. Oettinger 1969-8-19 1456 Siskiyou South of big bare area between King David's and Abbot's Basin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA239081  Agrostis pallens Frederick W. Oettinger 1969-8-24 1537 Siskiyou NW of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 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
  UCD53445  Agrostis stolonifera Beecher Crampton 1956-8-21 3802 Siskiyou slopes of Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. 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
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  UCSB18160  Allium bolanderi 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC77343  Allium bolanderi var. bolanderi L. P. Janeway 1983-6-26 347 Siskiyou Near USFS Rd. 18N33 0.74 mi. from Grayback Rd. 1006 Comment
  CAS-BOT-BC132143  Allium siskiyouense Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mts. 1737 Comment
  UC164281  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou hill near Yreka Comment
  UCD143202  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  CAS-BOT-BC384652  Allium validum Andrew Townesmith; Karen M. Meyer 2007-7-30 876 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 2284 Comment
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  CAS-BOT-BC453444  Allotropa virgata Harley P. Chandler 1901-6-1 1546 Siskiyou Near Marble Mountain, North Coast Ranges 1828 Comment
  HSC17947  Allotropa virgata H. P. Chandler Jun 1901 1546 Siskiyou Near Marble Mountain 2134 Comment
  CAS-BOT-BC171397  Alnus incana subsp. tenuifolia Geo. B. Grant 1902-9-6 s.n. Siskiyou Sisson Comment
  HSC29266  Alnus incana subsp. tenuifolia Frederick W. Oettinger 692 Siskiyou Marble Mtn. Wilderness Area, outlet of Abbotts Lake 1723 Comment
  RSA452810  Alnus incana subsp. tenuifolia M. B. Dunkle 1944-8-25 9179 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  JEPS94630  Alyssum alyssoides Vernon H. Oswald 1998-6-11 9178 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  CAS-BOT-BC17203  Alyssum alyssoides L. E. Smith 1914-5-6 655 Siskiyou Yreka. Comment
  UCD20184  Alyssum desertorum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  HSC2902  Amaranthus albus R. C. Wunner 1965-8-27 490 Siskiyou California Lava Beds National Monument, top of petroglyphs Comment
  JEPS95323  Ambrosia artemisiifolia Vernon H. Oswald and L. Ahart 1994-8-10 6448 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  HSC69739  Amelanchier alnifolia Maralyn A. Renner 1980-6-26 1278 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC25759  Amelanchier alnifolia var. pumila D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19531 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  JEPS126018  Amelanchier pallida E. T. Doucette 2013-5-20 13 -131 Siskiyou Greenhorn Road, Yreka, 9.6 miles from business district. Comment
  CAS-BOT-BC136884  Amelanchier utahensis John Thomas Howell; Gordon H. True 1972-6-8 48855 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC136916  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11889 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  UC375373  Amelanchier utahensis Geo. D. Butler 1908-7-12 493 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC136880  Amelanchier utahensis Marian L. Campbell 1921-7-26 s.n. Siskiyou Ireland's place, Sacramento River Comment
  HSC64003  Amsinckia intermedia J. P. Smith 1976-5-4 8661 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  JEPS61146  Amsinckia intermedia Geo. D. Butler 1904-4-20 600 Siskiyou near Yreka Comment
  CAS-BOT-BC26778  Amsinckia propinqua Alice Eastwood 1912-7-20 1260 Siskiyou Hornbrook Comment
  RSA0089979  Amsinckia retrorsa E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon. Comment
  CAS-BOT-BC45212  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  CAS-BOT-BC45215  Anaphalis margaritacea L. E. Smith 1913-8-30 533 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391804  Anemone deltoidea Alice Eastwood; John Thomas Howell 1937-6-26 5035 Siskiyou Salmon Mts. 5 miles sw. of Etna Comment
  CHSC95118  Anemone deltoidea L. P. Janeway 2006-7-2 8745 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  HSC78210  Anemone deltoidea L. P. Janeway 1983-8-6 502 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  UCD95465  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  CAS-BOT-BC391800  Anemone deltoidea Doris K. Kildale 1928-7-4 5459 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  UC853533  Anemone drummondii Alice Eastwood 1912-8-30 1964 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC391967  Anemone occidentalis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC391969  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC391978  Anemone occidentalis A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  UC1188083  Anemone occidentalis Philip A. Munz 1960-8-22 24184 Siskiyou Mt. Shasta, Panther Meadows 2529 Comment
  JEPS109874  Anemone oregana var. oregana Dean W. Taylor 2005-7-12 19385 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16 1697 Comment
  CAS-BOT-BC59278  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Klamath Forest, Soda Creek 1767 Comment
  UC54134  Antennaria dimorpha H. M. Hall and E. B. Babcock 1903-6-16 4101 Siskiyou Little Shasta Valley Sierra Nevada Mountains, Mount Shasta 853 Comment
  CAS-BOT-BC58715  Antennaria geyeri A. A. Heller 1914-8-25 s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  UC485652  Antennaria geyeri T. S. Brandegee Siskiyou Sisson Comment
  UC891586  Antennaria geyeri Alice Eastwood 1912-7-15 1061 a Siskiyou McCloud Comment
  CAS-BOT-BC58712  Antennaria geyeri Elmer I. Applegate 1936-7-3 10501 Siskiyou Lava Beds National Monument. East side of Hippo Butte Comment
  UC618846  Antennaria media unknown 1938-8-18 11473 Siskiyou below, around the Water Supply Spring Horse Camp; Mount Shasta 2468 Comment
  HSC64918  Antennaria media D. L. Goforth 1979-7-19 263 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, Upper Lake area. 2134 Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  UC891547  Antennaria rosea J. Thomas Howell 1937-7-21 13177 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  UC1409251  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou along Tom Taylor Cabin-English Peak trail Crapo Peak; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2133 Comment
  CAS-BOT-BC394983  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-23 4476 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  RSA366903  Aquilegia formosa Bonnie C. Templeton 1960-6-21 8541 Siskiyou Near summit of Scott Mt. Comment
  HSC22425  Aquilegia formosa var. formosa J. O. Sawyer 1969-7-16 1153 Siskiyou W of Waterdog Lake 2073 Comment
  HSC64334  Aquilegia formosa var. formosa J. P. Smith, Steve Selva 1970-6-15 3975 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC87012  Aquilegia formosa var. formosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  HSC44591  Aquilegia formosa var. truncata Laura Witherspoon 1977-6-30 Siskiyou Dillon Camp 1494 Comment
  POM147867  Aquilegia formosa var. truncata J. B. Feudge 1927-7-24 1651 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  RSA10343  Aquilegia formosa var. truncata H. A. Barker 1926-05 574 Siskiyou [Unspecified] Comment
  HSC44933  Arabis breweri var. breweri J. O. Sawyer 1978-6-19 3248 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC77285  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  HSC22409  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-1 1676 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC618764  Arabis glabra Reed Rollins 1938-7-15 11200 Siskiyou Bear Springs, meadow between Bear Springs creeks Mount Shasta 1524 Comment
  RSA0125769  Arabis glabra S. O. Mattoon, Ken Hansen 1978-6-17 30 Siskiyou Old Hwy 99E; 5 miles S of I-5 at Siskiyou Summit. 1220 Comment
  RSA0125834  Arabis glabra S. O. Mattoon, Alva Hansen 1978-6-16 32 Siskiyou S-facing flank of Scott Bar Mountains, McKinney Creek Canyon; 6 miles S of Klamath River at Oak Knoll R[anger].S[tation]. Comment
  SEINET3899871  Arabis holboellii var. retrofracta Dorothy Parker 1951-5-10 510 Siskiyou Kidder Creek, Scott Valley.; 0 914 Comment
  HSC6546  Arabis sparsiflora var. subvillosa Lincoln Constance, R. C. Rollins 1942-5-13 2905 Siskiyou Klamath River, 4 mi. E of Seiad 457 Comment
  HSC46215  Arabis subpinnatifida Jennifer Whipple 1976-5-2 909 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC90613  Arabis suffrutescens Jennifer Whipple 1977-7-22 2047 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  JEPS53189  Arabis suffrutescens Harley P. Chandler Jun 1901 1678 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  RSA470445  Aralia californica Glenn Chadwick, Mr Chadwick 1911-07 s.n. Siskiyou Shasta springs Comment
  JEPS40134  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  SEINET2471245  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-20 2007 -56 Siskiyou Above Gumboot Lake 1980 Comment
  SEINET8530036  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -43 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  UCR51807  Arctium minus L. C. Wheeler 1934-9-17 03276 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 703 Comment
  CAS-BOT-BC102217  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Dutch Creek off Klamath River, Siskiyou Mts. 701 Comment
  CAS-BOT-BC102219  Arctium minus John Thomas Howell 1952-6-14 28330 Siskiyou Mt. Shasta City Comment
  UCD51964  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC39976  Arctostaphylos nevadensis Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  UC909357  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou small bog on side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  LA42205  Arctostaphylos nevadensis Wm. Bridge Cooke; 1939-8-8 13835 Siskiyou Mount Shasta 2468 Comment
  CAS-BOT-BC46460  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 1000 Siskiyou Glass Mt. 2316 Comment
  CAS-BOT-BC46464  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Hwy. 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC46496  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  POM367403  Arctostaphylos patula Christopher Davidson 1975-6-5 2649 Siskiyou 2.4 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1280 Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  UC1483547  Arctostaphylos patula Maralyn A. Renner 1980-9-9 2764 Siskiyou ridge to sw Medecine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
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Feb 9 2009
  UC1282011  Arenaria congesta var. suffrutescens Louise Kellogg Aug 5 1953-Aug 7 1953 107 Siskiyou 1 mi n Cory Peak ((11 mi e of Callahan on road to Gazzelle, then s 5.8 mi on loggin road).); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  RSA47778  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  JEPS84346  Arnica L. R. Heckard with J. Hickman et al. 1986-7-17 6539 Siskiyou Alex Hole (s end) Condrey Mt. 1980 Comment
  CAS-BOT-BC82246  Arnica chamissonis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC726140  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake 1561 Comment
  HSC22129  Arnica cordifolia J. O. Sawyer 1969-7-9 1236 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  HSC92328  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou N facing slopes in Mt. Eddy region on Deadfall Mtn. 2226 Comment
  RSA211217  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC165318  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou Old trail between Taylor and Cow Creeks Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 Comment
  HSC62618  Arnica diversifolia Al Hobart 1967-8-17 Siskiyou Young's Valley Comment
  HSC29300  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; along the old Hancock Lake trail to Diamond Lake 1974 Comment
  UC722579  Arnica latifolia C. L. Hitchcock and J. S. Martin 1939-7-7 5233 Siskiyou on rd to Bolan Lake ((5 mi from cut-off at juction with Takilma-Happy Camp rd)) 1767 Comment
  UC1408756  Arnica longifolia Frederick W. Oettinger 1968-9-1 648 Siskiyou ssw of, at base of precipice Abbott's Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1798 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  HSC65396  Arnica mollis Rich White 1978-7-3 203 Siskiyou 3/4 mile from Sawttoth Trail. Ridgetop near where Dillon Trail crosses Saddle 1768 Comment
  CAS-BOT-BC90058  Arnica nevadensis Ira L. Wiggins 1955-7-27 13562 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS105131  Arnica ovata Dean W. Taylor 1996-7-11 15783 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  RSA184712  Arnica parryi subsp. sonnei Gilbert Muth 1966-7-31 476 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  UC166158  Arnica spathulata Geo. D. Butler 1909-5-31 985 Siskiyou Humbug Mountain Comment
  HSC63613  Arnica viscosa Richard Spjut, Emelia Russell 1979-8-28 5510 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  CDA6799  Artemisia biennis R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC76942  Artemisia borealis subsp. borealis K. T. Stillman 1976-7-9 220 Siskiyou Marble Mountain Wilderness Area 2141 Comment
  CHSC86655  Artemisia cana subsp. bolanderi Jenny Marr 1993-7-1 38 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CDA10152  Artemisia douglasiana T. C. Fuller 1962-8-3 9519 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  JEPS37042  Artemisia douglasiana Geo. D. Butler 1908-9-6 313 Siskiyou near Yreka (along creek); Butlers Ranch Comment
  CAS-BOT-BC90476  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  OBI53772  Artemisia douglasiana David J. Keil 1992-7-20 23482 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  CAS-BOT-BC90772  Artemisia ludoviciana subsp. ludoviciana G. J. Muth 1969-8-10 1331 Siskiyou Ridge w. of Boulder Peak 2377 Comment
  CAS-BOT-BC90783  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1939-8-8 15146 Siskiyou Black Mt., Marble Mts. Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  JEPS94642  Artemisia tridentata subsp. tridentata Vernon H. Oswald and Lowell Ahart 1998-9-16 9629 Siskiyou near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  SEINET229956  Artemisia tridentata subsp. vaseyana Leila M. Shultz, John S. Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument; Approximately 20 miles south of Tulelake; western extension of the Great Basin 1341 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  RSA134151  Aruncus vulgaris Percy C. Everett, E. K. Balls 1959-10-24 23950 Siskiyou 7.4 miles NW from Forks, along Salmon River, Sawyers Bar to Somes Bar. 244 Comment
  UC1045273  Asarum caudatum W. B. Cooke 1940-7-12 15316 Siskiyou in Box Canyon of the Sacramento River near Mount Shasta City 914 Comment
  HSC36712  Asarum caudatum Brent Whiteley 1975-7-3 138 Siskiyou 1220 Comment
  RSA238012  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC400691  Asarum hartwegii Ira L. Wiggins 1940-7-5 9480 Siskiyou 11 miles east of Sawyer's Bar on road to Etna 1011 Comment
  POM165732  Asarum hartwegii E. B. Copeland 1903-7-17 s.n. Siskiyou Mt. Shasta 1829 Comment
  RSA577024  Asclepias cordifolia L. C. Wheeler 1934-6-9 2669 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  SEINET10829548  Asclepias cordifolia F. Marion Ownbey, D. H. Brown 1941-6-22 Ownbey 2423 Siskiyou Gravelly ridge W of Craggy Mountain, NW of Yreka Comment
  SEINET999811  Asclepias fascicularis Mark Fishbein, Lane Greer 2006-1 5886 Siskiyou Along Hill Road, 0.5 mi south of Devil's Homestead, Lava Beds National Monument, about 3.75 mi north-northwest of Schonochin Butte. 1285 Comment
  SEINET12283214  Asclepias fascicularis M. Ownbey, Meyer, F. G. 1940-1 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook Comment
  CHSC33056  Asclepias speciosa J. P. Smith; Steve Selva 1970-6-16 4085 Siskiyou Immediately west of Sawyers Bar. Comment
  SBBG25826  Asclepias speciosa D. Myrick 1966-8-9 1504 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SEINET7120959  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou Near Yreka Comment
  CAS-BOT-BC69599  Aspidotis densa Doris K. Kildale 1929-7-20 8662 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  UC185224  Aspidotis densa Geo. D. Butler 1910-7-8 1670 Siskiyou Shackelford Creek Comment
  POM259366  Aster foliaceus var. parryi J. T. Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA14502  Aster intermedius Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh. Comment
  CAS-BOT-BC178819  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  CAS-BOT-BC178817  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed, on banks along the railroad near Weed Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  RSA715776  Astragalus filipes L. Ahart 2005-6-10 12092 Siskiyou About 150 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. 777 Comment
  JEPS82699  Astragalus filipes Wayne Roderick 1984-6-6 Siskiyou South Fork Sacramento River 1524 Comment
  CAS-BOT-BC187166  Astragalus lentiginosus var. floribundus Alice Eastwood; John Thomas Howell 1940-6-14 8271 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  HSC14529  Astragalus purshii var. lagopinus R. C. Wunner 1965-6-10 134 Siskiyou Lava Beds N. M., Caldwell Crater E inner slope. 1524 Comment
  RSA50193  Astragalus purshii var. lectulus E. K. Balls 1949-7-8 13911 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC198704  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1946-7-20 s.n. Siskiyou Rock Fence Lake 1524 Comment
  RSA790235  Astragalus whitneyi var. siskiyouensis Rebecca Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2134 Comment
  UC1299231  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1948-7-7 2413 Siskiyou Scott Mountain Road summit to Callaghan (Callahan?) (North Coast Ranges); , Scott Mountain Road, summit to Callaghan 1249 Comment
  CAS-BOT-BC105091  Asyneuma prenanthoides R. C. Wenk 2008-8-31 994 Siskiyou South Fork of Salmon River, trail from Big Flat Meadow to Yellow Rose Mine 1737 Comment
  HSC65311  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-15 4340 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC69533  Athyrium alpestre subsp. americanum Annie M. Alexander; Louise Kellogg 1949-7-22 5834 Siskiyou Trail to Kings Castle, Paradise Lake, Marble Mountains. 1996 Comment
  CAS-BOT-BC68702  Athyrium alpestre var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC23598  Athyrium distentifolium var. americanum J. O. Sawyer 1969-8-2 1717 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  CAS-BOT-BC66187  Athyrium filix-femina var. cyclosorum Grant 1902-9-15 5260 Siskiyou Shasta Springs Comment
  CAS-BOT-BC66188  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1037 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  CAS-BOT-BC106501  Balsamorhiza deltoidea Alice Eastwood 1923-5-23 11927 Siskiyou Cantara Comment
  CAS-BOT-BC106541  Balsamorhiza deltoidea Dorothy Parker 1961-4-20 825 Siskiyou Near Callahan 950 Comment
  RSA692606  Balsamorhiza hookeri var. lagocephala D. W. Taylor 1996-6-18 15696 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1250 Comment
  JEPS125861  Balsamorhiza lanata Dean W. Taylor 1996-6-27 15747 Siskiyou Scott Valley; hill slopes on south base of Hartstrand Gulch about 2 miles east of canyon mouth. About 5 air miles E of Etna Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  CDA3610  Barbarea vulgaris C. S. Giebner 1961-5-1 Siskiyou Callahan . 0 Comment
  SD73172  Bassia hyssopifolia Darley F. Howe 1969-8-31 Siskiyou 4.5 miles south of Dorris on highway 97. 1220 Comment
  HSC4358  Bassia hyssopifolia L. C. Wheeler 1934-10-21 3332 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  CDA23015  Berberis aquifolium G. D. Barbe 1980-4-29 2607 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC22118  Berberis aquifolium var. aquifolium J. O. Sawyer 1969-6-11 809 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  CAS-BOT-BC75727  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou Rush Creek Trail 2 miles above Mountain View Ranch. 1097 Comment
  CAS-BOT-BC75728  Berberis nervosa L. E. Smith 1913-8-30 543 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC75932  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC75935  Berberis piperiana Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC572972  Berula erecta Louis C. Wheeler 1935-7-3 3649 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River 762 Comment
  HSC92953  Bistorta bistortoides Jennifer Whipple 1976-7-1 1242 Siskiyou Near Durney Lake 2073 Comment
  CHSC34101  Blepharipappus scaber J. D. Jokerst; M . D. Huffine 1981-9-8 1460 Siskiyou E of and adjacent to road. 1280 Comment
  JEPS22627  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones (Moffett Creek); Moffett Creek Comment
  UC1076190  Blepharipappus scaber Herbert L. Mason 1931-5-9 5873 Siskiyou 4 mi n of Dunsmuir Comment
  UC1112866  Blepharipappus scaber Milo S. Baker 1957-6-16 3125 Siskiyou Scott Mt. 1615 Comment
  CDA10531  Blepharipappus scaber subsp. laevis F. D. Horn 1977-6-8 Siskiyou Weed Airport, north of Weed. 0 Comment
  UCD15033  Boechera John M. Tucker 1963-7-7 3723 Siskiyou Marble Mountain Wilderness Area, vicinity of Paradise Lake at east base of King's Castle; 1981 Comment
  CAS-BOT-BC16891  Boechera A. M. Vollmer; L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  UC166142  Boechera acutina Geo. D. Butler 1910-7-5 1524 Siskiyou Log Lake Shackleford Creek Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  UCD114318  Boechera divaricarpa A. H. Murphy 1953-7-28 KNF 8 Siskiyou Long Gulch Camp, Siskiyou-Trinity County. 1889 Comment
  UCD114320  Boechera divaricarpa A. H. Murphy 1953-7-28 KNF 10 Siskiyou Long Gulch Camp, Siskiyou-Trinity County. 1889 Comment
  CHSC71291  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1998-6-11 9179 Siskiyou Shasta NF plantation on the west side of hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CAS-BOT-BC14272  Boechera pinetorum John Thomas Howell 1937-7-29 13675 Siskiyou North slope of Scott Mountains. 1676 Comment
  CAS-BOT-BC14275  Boechera pinetorum Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  UCD77346  Boechera pinetorum Robert E. Preston 2001-6-23 1562 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC1409352  Boechera platysperma Frederick W. Oettinger 1968-8-5 412 Siskiyou ridge between English Peak and Charmaine Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2209 Comment
  UC70397  Boechera platysperma Milo S. Baker 1898-8-7 484 Siskiyou Medicine Lake Comment
  CAS-BOT-BC14413  Boechera platysperma Alice Eastwood 2076 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC14665  Boechera rectissima Alice Eastwood 1912-7-19 1231 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC25413  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake-Shackleford Creek. 1219 Comment
  CAS-BOT-BC25616  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53410 Siskiyou Fort Jones. 853 Comment
  CHSC96093  Boechera retrofracta L. P. Janeway 2006-7-3 8752 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  CAS-BOT-BC25622  Boechera retrofracta C. L. Hitchcock; J. S. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1828 Comment
  CAS-BOT-BC25689  Boechera sparsiflora Elmer I. Applegate 1932-6-13 7239 Siskiyou Modoc Lave Beds. Captain Jack's Stronghold. Comment
  SEINET3132288  Boechera stricta G. D. Butler 1900-7-8 1164 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25919  Boechera suffrutescens C. L. Hitchcock; J. S. Martin 1939-7-6 5224 Siskiyou Peak above and north of Divide of Siskiyou Mountains. On Takilma-Happy Camp road. 1828 Comment
  SEINET3296901 Image available Boschniakia strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC418458  Boykinia major Doris K. Kildale 1929-8-23 8806 Siskiyou Youngs Valley on trail to Preston Peak Comment
  HSC22412  Boykinia major J. O. Sawyer 1969-8-1 1608 Siskiyou Horseshoe Lake 1921 Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  CAS-BOT-BC418455  Boykinia major Doris K. Kildale 1928-7-3 5458 Siskiyou 9 miles east of Forks of Salmon on North Fork Salmon River Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  CAS-BOT-BC418419  Boykinia occidentalis Doris K. Kildale 1929-7-20 8547 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  UC1211915  Boykinia occidentalis Roy L. Taylor 1960-6-12 4449 Siskiyou on Hwy 96, 46.5 mi sw of Happy Camp bridge over Klamath River; sw of bridge over Klamath River Comment
  CAS-BOT-BC127857  Brickellia grandiflora Alice Eastwood 1912-7-26 1459 Siskiyou Pitt to Kennet. Sisson. Comment
  CAS-BOT-BC127859  Brickellia grandiflora Wm. Bridge Cooke 1941-8-22 16209 Siskiyou among lava boulders in the Lava Park above Bolam Station on the north side of Mt. Shasta 1524 Comment
  JEPS7633  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Comment
  CAS-BOT-BC144102  Bromus Arthur Menzies 1962-7-26 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CHSC98798  Bromus J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -017 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  RSA577539  Bromus carinatus L. C. Wheeler 1935-5-11 3476 Siskiyou Klamath River at Ash Creek 610 Comment
  UCD58304  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3413 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. 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
  UC1037090  Bromus carinatus var. carinatus Leo Whitney 1934-6-29 2220 Siskiyou Tennant 1524 Comment
  SEINET3245417  Bromus orcuttianus A. A. Heller 1905-1 6454 Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC185593  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  HSC103037  Bromus tectorum J. P. Smith 2014-6-7 13895 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC76905  Bromus tectorum K. T. Stillman 1976-9-10 503 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  NY664636  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  HSC69362  Calamagrostis breweri Maralyn A. Renner 1980-8-19 2506 Siskiyou S side of Caribou Lake 2104 Comment
  UCD57223  Calamagrostis canadensis J. R. Swallen 1940-8-22 15465 Siskiyou Mount Shasta, Mud Creek Canyon. 1981 Comment
  HSC31104  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-9-4 1652 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  RSA22159  Calamagrostis koelerioides J. T. Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA237962  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 -a Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA604462  Calocedrus decurrens L. C. Wheeler 1959-7-21 7587 Siskiyou Salmon Mountains: Dry Gulch Mine off Crawford Creek off South Fork Salmon River. 1219 Comment
  SBBG34157  Calocedrus decurrens J. Major, M. Fleschner, R. Pemble 1966-9-5 Siskiyou SE of Marble Mtn Marble Mtns 1828 Comment
  CAS-BOT-BC85736  Calocedrus decurrens Dr. E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1066 Comment
  NY18935  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10469584  Calochortus coeruleus Mary Merello 1993-6-25 Merello 727 Siskiyou Shasta National Forest. Deep Crater Area. Lava beds. Open pine forest. Along Forest Service Road 42N22, from Main Forest Service Road 49-Powder Hill Road. 1550 Comment
  CHSC118633  Calochortus coeruleus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -020 Siskiyou Lower Parks Creek watershed, E Klamath Range, above Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  RSA68949  Calochortus coeruleus A. E. Culbertson 1943-6-19 9 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC1299340  Calochortus elegans Freed W. Hoffman 1950-7-13 3766 Siskiyou Baldy Lookout, w Siskiyou County Baldy Lookout Comment
  UC722091  Calochortus elegans C. L. Hitchcock and J. S. Martin 1939-7-9 5335 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  CAS-BOT-BC488605  Calochortus elegans var. nanus Wm. F. Herrin 1922-5-1 1922 Siskiyou Shasta Springs Comment
  CAS-BOT-BC488608  Calochortus elegans var. nanus Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  UCD139525  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou Center of the east edge of the large meadow at Wiley Ranch. Comment
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  CHSC2227  Calochortus nudus V. Holt 1932-6-29 Siskiyou Castle Lake. 1950 Comment
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  UC843681  Calochortus nudus Alice Eastwood 1912-7-15 1109 Siskiyou McCloud Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  HSC75123  Calochortus nudus J. P. Smith, Thomas W. Nelson 1979-6-16 10143 Siskiyou Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line 1463 Comment
  CAS-BOT-BC494023  Calochortus tolmiei W. B. C. 1938-7-1 11154 Siskiyou Above Bear Spring( Transition) 1600 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC4943  Calypso bulbosa J. O. Sawyer 1968-6-18 199 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  RSA381905  Calypso bulbosa J. P. Smith 1973-5-5 6468 Siskiyou Along Cook and Green Pass road. Comment
  HSC26561  Calyptridium monospermum J. P. Smith, J. O. Sawyer 1972-8-20 5753 Siskiyou Slope of Mt. Hoffman 2134 Comment
  CHSC4526  Calyptridium umbellatum J. E. Bowlin 1967-7-18 63 Siskiyou On roadside, on the side of a bank. Ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  UC1045297  Calyptridium umbellatum W. Bridge Cooke 1940-8-8 15448 Siskiyou near Red Buttes (in the South Gate, Mount Shasta); Mount Shasta 2438 Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  UC375293  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou Fields near Yreka Comment
  SEINET10463098  Campanula prenanthoides Muth 1979-8-6 MUTH 13116 Siskiyou Near Tom Gray Gulch, on the Happy Camp quadrangle; close to the town or Happy Camp, gravelly soil, serpentine. 610 Comment
  SEINET10462857  Campanula prenanthoides Butler 1910-8-7 BUTLER 1815 Siskiyou HUMBUG MOUNTAIN 4000 Comment
  SEINET10463152  Campanula prenanthoides Wolf 1927-8-26 WOLF 1064 Siskiyou On the Klamath River, 8 miles above Hamburg Comment
  SEINET10463156  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou Klamath National Forest along highway 96 near Somes Bar. T12N R6E Sec. 33 219 Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET10463367  Campanula prenanthoides Ferlatte 1966-8-3 FERLATTE 267 Siskiyou ALONG S FORK SALMON R HBTWN CAMPGROUND & CARTER'S FLAT WOODED AREA W/ SCATTERED OPENINGS. T37N R9W SEC. 19 & 30 1524 Comment
  SEINET10972062  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-7-16 Smith, Jr. 4396 Siskiyou BLUE MOUNTAIN DOUGLAS-FIR FOREST. T46N R12W SEC. 35 Comment
  SEINET10463384  Campanula scabrella England 1939-7-16 ENGLAND s.n. Siskiyou Mount Eddy timberline 2134 Comment
  JEPS82114  Campanula scouleri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7453 Siskiyou about 13 airline mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou cty boundary (ridge top) dividing Indian Creek drainage from Illinois River, leading to Twin Vly) Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  SEINET10463794  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou Near Sisson 1067 Comment
  SEINET10463883  Campanula wilkinsiana Bohmannson BOHMANNSON s.n. Siskiyou MT. SHASTA Comment
  SEINET10463891  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou CREEK BED NEAR RED CAP, SCARCE 2438 Comment
  UC631649  Campanula wilkinsiana M. D'Evelyn 1931-8-10 Siskiyou creek bed near Red Cap; Mount Shasta 2438 Comment
  JEPS82692  Cardamine californica var. integrifolia Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake); sw of Mt. Shasta city, above Castle Lake 1905 Comment
  HSC28095  Cardamine pachystigma J. D. Ackerman, A. M. Montalvo 1973-5-20 60 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail to Bear Lake 1524 Comment
  CDA36793  Cardaria draba D. B. Joley 1976-6-24 5 Siskiyou Montague. 0 Comment
  CAS-BOT-BC18387  Carex A. A. Heller 1920-6-27 13390 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC18388  Carex A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek, east side of Mt. Eddy in the yellow pine belt. 1524 Comment
  CAS-BOT-BC19769  Carex abrupta John Thomas Howell 1939-8-8 15190 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC19773  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC39389  Carex amplifolia J. O. Sawyer 1969-6-11 828 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC17969  Carex angustata George Dexter Butler 1909-6-22 855 Siskiyou Goosenest foothills. Comment
  HSC39285  Carex angustata J. O. Sawyer 1969-6-12 889 Siskiyou Sugar Creek 1515 Comment
  JEPS63765  Carex athrostachya B. C. Goldsmith 1916-8-6 13 a Siskiyou Sisson Comment
  CAS-BOT-BC18125  Carex athrostachya Alice Eastwood July 28 10938 Siskiyou Medicine Lake. Comment
  HSC39846  Carex bolanderi J. O. Sawyer 1969-7-26 1574 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  CAS-BOT-BC19402  Carex bolanderi J. W. Stacey 1940-8-8 15422 Siskiyou Mount Shasta. Along the cascade below the big Squaw Valley Creek Spring. 1463 Comment
  CAS-BOT-BC34156  Carex breweri Peter Kamb 1949-8-25 1497 Siskiyou Southwest slope of Mt. Shasta, above Horse Camp. 3169 Comment
  CHSC40179  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou On a short ridge near the old Grayback Rd ca 1/2 mi above West Branch Guard Sta. 746 Comment
  CAS-BOT-BC20745  Carex fracta William Bridge Cooke 1938-8-19 11524 Siskiyou Mt. Shasta. Lower Bear Spring. 1524 Comment
  SEINET11309789 Image available Carex fracta Unknown 2009-1 24603 Siskiyou Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. Cascade Range Highlands (CaRH). Comment
  CHSC109948  Carex geyeri Peter F. Zika; Julia Nelson 2012-6-21 25906 Siskiyou Klamath Range. Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19. 1665 Comment
  UC833774  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou at Medicine Lake Medicine Lake 2133 Comment
  HSC7  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine 1982 Comment
  RSA211374  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC7618  Carex interior W. J. Ferlatte 1966-8-2 236 Siskiyou Between campground and South Fork of the Salmon River. Big Flat Hillside seep forming boggy meadow. 1524 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
  SEINET7563154 Image available Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Abbott's Basin. 1905 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
  UC1584279  Carex lenticularis J. Kierstead 1990-5-8 90 -59 Siskiyou Lower Falls of the McCloud River McCloud R.D. 1828 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  CHSC84689  Carex lenticularis var. impressa L. P. Janeway 2003-8-9 7957 Siskiyou Klamath Ranges. Siskiyou Mountains; west side of Echo Lake, between Cook and Green Pass and Red Butte. Small lake in cirque on north side of the ridge. Meadow between edge of lake and slope. 1664 Comment
  JEPS84072  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  POM81783  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  CHSC61905  Carex limosa L. P. Janeway 1993-8-30 4565 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  JEPS105409  Carex luzulifolia Dean W. Taylor 1996-7-26 15840 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  RSA237356  Carex luzulina var. ablata Frederick W. Oettinger 1969-8-22 1504 Siskiyou South end of Horse s Hole, near Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC40172  Carex mendocinensis Lawrence Janeway 1982-6-22 19 Siskiyou Ca. 400 m ne of West Branch Guard Sta along the road into Indian Cr and near small creek crossing. 670 Comment
  RSA237260  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou White Pine Meadow, northwest of Pine Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  HSC45960  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC32009  Carex multicaulis L. S. Smith 1924-8-20 1512 Siskiyou Round Mt. below road near top. Modoc National Forest 1524 Comment
  HSC39866  Carex multicaulis J. O. Sawyer 1969-7-11 1308 Siskiyou Along S Sugar Creek below S Sugar Lake 2012 Comment
  RSA48007  Carex multicaulis Roxana S. Ferris, Laura Lorraine 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road, south of Callahan. Comment
  HSC101149  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CHSC107142  Carex nebrascensis R. E. Brainerd 2009-7-22 1560 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  UC618820  Carex nigricans J. W. Stacey 1938-8-18 11484 Siskiyou in the vicinity of the springs above Horse Camp (along the summit trail); Mount Shasta, Horse Camp Springs Comment
  CAS-BOT-BC119471  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  CAS-BOT-BC31055  Carex pachycarpa K. T. Stillman 1976-7-14 231 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 1950 Comment
  JEPS103116  Carex pachystachya L. P. Janeway 2002-7-13 7637 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17 2067 Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC106266  Carex praegracilis Lowell Ahart; John Dittes 2010-7-30 16953 Siskiyou About 50 yards west of the East Louie Road Bridge, about 30 yards west of the Shasta River, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA715932  Carex praegracilis L. Ahart, John Dittes 2005-6-10 12108 Siskiyou 30yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC195522  Carex praegracilis Geo. D. Butler 1910-4-19 1202 Siskiyou near Yreka Comment
  HSC703  Carex preslii William J. Ferlatte 1967-8-23 1094 Siskiyou Head of Kidd Creek 2134 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  RSA211369  Carex proposita William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge, Caribou Basin. Ridge west of Big Caribou Lake. Trinity Alps. 2134 Comment
  HSC76629  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC29657  Carex rossii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1217 Siskiyou Marble Mtn. Wilderness Area, open ridge top near Crapo Peak at Crapo View Gap Comment
  HSC67703  Carex rostrata John S. Palmer 1980-7-24 603 Siskiyou Elk Hole 1503 Comment
  CAS-BOT-BC117912  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC91374  Carex scopulorum Jennifer Whipple 1978-10-6 2424 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 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
  CHSC113781  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountain. Klamath Range (KR). 1000 Comment
  CHSC98362  Carex serratodens Thomas W. Nelson; Jane P. Nelson 1982-7-30 7322 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC30553  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC77253  Carex spectabilis L. P. Janeway 1983-7-9 392 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  RSA238925  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Slope southeast of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA238930  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -b Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  JEPS103117  Carex straminiformis L. P. Janeway 2002-7-13 7639 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit 2079 Comment
  JEPS40878  Carex straminiformis Paul C. Hutchison 1962-8-2 929 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  UCR245613  Carex straminiformis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Northwestern; Klamath Ranges region, Mt. Shasta National Forest: south slope of Mt. Shasta, above ski lodge 2317 Comment
  CAS-BOT-BC115836  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET7484118 Image available Carex subfusca Ray Tallent 1987-1 911 Siskiyou Klamath National Forest. Trail to Long Gulch Lake 1820 Comment
  POM81964  Carex subfusca Geo D. Butler 1910-6-5 1476 Siskiyou Shackleford Creek Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  JEPS121616  Carex utriculata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Abundant in flat fen, over gabbro. China Mountain quadrangle. CLB_A Comment
  CHSC82856  Carex whitneyi L. P. Janeway 2002-7-13 7635 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below road. 2067 Comment
  HSC48105  Carex whitneyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19530 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  JEPS5215  Castilleja angustifolia Geo. D. Butler 1904-5-23 759 Siskiyou near Yreka Comment
  HSC19018  Castilleja applegatei J. O. Sawyer 1969-7-1 960 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  CAS-BOT-BC241140  Castilleja applegatei subsp. pinetorum Clarence R. Quick 1958-6-17 58 -31 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA184818  Castilleja applegatei subsp. pinetorum Gilbert Muth 1966-7-17 386 Siskiyou Ridge, near lookout, Marble Mountains. 2043 Comment
  RSA31873  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou Along the trail to Horse Camp, Mt. Shasta. 2287 Comment
  SBBG40131  Castilleja applegatei subsp. pinetorum C. B. Hardham 1961-6-30 8029 Siskiyou near Mud Spring Comment
  UC164427  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1257 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC241144  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1936-5-20 1422 Siskiyou N. slope Scott Mt. 1219 Comment
  CAS-BOT-BC243771  Castilleja applegatei var. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  HSC19029  Castilleja arachnoidea J. O. Sawyer 1969-7-9 1261 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC91234  Castilleja arachnoidea Jennifer Whipple 1976-7-1 1227 Siskiyou Near Little Crater Lake 2195 Comment
  UC1012497  Castilleja arachnoidea Francis W. Pennell 1940-7-17 26176 Siskiyou w of Etna; Salmon Mountains 1981 Comment
  CAS-BOT-BC32640  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  SJSU11530  Castilleja lacera M. D. Fleschner 1965-7-9 Siskiyou 4 mi W of Deadhorse Summit on Hwy 89 c. 3 mi SE of Bartle 1158 Comment
  UC796539  Castilleja lacera Roxana S. Ferris and Laura Lorraine 1948-6 11787 Siskiyou s of Callahan (Scott Mountain Road) Comment
  RSA104156  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou Laird's Ranch, south end of Lower Klamath Lake. Comment
  CAS-BOT-BC253611  Castilleja miniata H. A. Thomas; J. H. Thomas 1954-7-25 4520 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC254005  Castilleja miniata J. H. Thomas; H. A. Thomas 1954-7-25 4533 Siskiyou Salmon-Trinity Mts. Vicinity of Rush lake and Rush Creek meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC254008  Castilleja miniata Doris K. Kildale 1929-7-20 8722 Siskiyou Raspberry Lake, South Fork Indian Creek 1676 Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  UC164077  Castilleja miniata Geo. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  UC637086  Castilleja miniata Edward Lee 1934-8-15 1128 Siskiyou summit of Happy Camp to Waldo (Oregon) road (Indian Creek watershed); Klamath National Forest, Indian Creek 1615 Comment
  HSC61492  Castilleja miniata Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC72413  Castilleja miniata J. P. Smith, Steve Selva 1970-7-27 4523 Siskiyou Gumboot Lake 1768 Comment
  HSC61198  Castilleja miniata subsp. elata Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC91230  Castilleja miniata subsp. miniata Jennifer Whipple 1977-8-6 2196 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC35799  Castilleja pruinosa J. O. Sawyer 1969-8-18 1985 Siskiyou Along S Sugar Creek 1921 Comment
  RSA184820  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -A Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  SEINET3159250  Castilleja pruinosa G. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mtn. Comment
  CAS-BOT-BC241087  Castilleja schizotricha John Thomas Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC24865  Castilleja schizotricha R. W. Spjut Aug 1970 1166 Siskiyou Near Box Camp, 2 mi. N of Marble Valley Guard Station on Black Mt. 2043 Comment
  RSA261373  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  UCR40075  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CAS-BOT-BC47941  Ceanothus O. V. Matthews 1939-7-8 26 Siskiyou From along Kangaroo Mtn. (?) Forest Service trail near Seiad Grove of Bakers Cypress 1371 Comment
  SD104892  Ceanothus cordulatus Darley Howe 1979-6-26 Siskiyou Road 1 mi. N of Ca. Hwy 89, 3 mi. E of McCloud 945 Comment
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Mar 5 2015
  CAS-BOT-BC48387  Ceanothus cuneatus John Thomas Howell 1939-7-31 14859 Siskiyou Scott Valley near Fort Jones Comment
  CAS-BOT-BC48388  Ceanothus cuneatus Lewis S. Rose 1945-6-22 45161 Siskiyou Walker, Klamath River 533 Comment
  CAS-BOT-BC49193  Ceanothus cuneatus D. E. Breedlove 1962-6-10 3300 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC50250  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mi. below Dunsmuir 670 Comment
  HSC100194  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-5 13417 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  HSC96808  Ceanothus integerrimus S. Lyon 2006-6-9 5 Siskiyou E side of Eddy Gulch, 3 mi S of the intersection with Sawyers Bar Rd. 915 Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  UC1185942  Ceanothus prostratus L. E. Detling 1950-6-9 6599 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  UC61167  Ceanothus prostratus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  RSA63225  Ceanothus sanguineus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  CAS-BOT-BC63152  Ceanothus velutinus Alice Eastwood 1921-7-31 11020 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC63160  Ceanothus velutinus L. E. Smith 1913-7-1 s.n. Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC52806  Ceanothus velutinus var. velutinus Brandegee 2 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC52841  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson Comment
  HSC99816  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-27 6088 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CHSC3256  Centaurea cyanus Virginia Hagaman 1966-5-14 181 Siskiyou 6 miles south of McConnahue Gulch--side of ra road. Comment
  HSC68201  Centaurea cyanus Steve Selva, J. P. Smith 1970-7-17 4444 Siskiyou 915 Comment
  CDA21355  Centaurea pratensis L. Wehmeyer 2001-11-7 s.n. Siskiyou Jct of W Ream and WA Barr Rd. in Mt. Shasta. 0 Comment
  CDA32136  Centaurea solstitialis M. Beyers, G. F. Hrusa 2010-8-18 701 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  CAS-BOT-BC281206  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16261 Siskiyou W side of Highway 97 to Weed, 3 miles S of Macdoel Comment
  SEINET7379744 Image available Centromadia fitchii G. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  CAS-BOT-BC279142  Centromadia pungens subsp. pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  CAS-BOT-BC123551  Centromadia pungens subsp. septentrionalis Harvey Monroe Hall 1930-9-27 12907 Siskiyou Shasta Valley, 1.8 miles S of Montague. Comment
  RSA381929  Cephalanthera austiniae Louis C. Wheeler 1934-6-4 2638 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mountains 762 Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  HSC103178  Cerastium arvense subsp. strictum Dana York 2011-9-8 3088 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CAS-BOT-BC147682  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-28 s.n. Siskiyou Yreka Comment
  UCD113081  Cercocarpus betuloides var. macrourus Delbert W. Hubbs 1975-10-8 s.n. Siskiyou Near Callahan. 1219 Comment
  HSC18568  Cercocarpus ledifolius R. C. Wunner 1965-7-15 392 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  CAS-BOT-BC148512  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  HSC63037  Cercocarpus montanus var. macrourus J. P. Smith 1973-5-5 6442 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  CAS-BOT-BC276781  Chaenactis douglasii var. douglasii K. T. Stillman 1976-7-21 279 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  HSC92685  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-2 1266 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  JEPS34210  Chaenactis douglasii var. douglasii W. L. Jepson 1940-7-1 20073 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  UC472229  Chaenactis douglasii var. douglasii Annie M. Alexander and Louise Kellogg 1911-8-14 318 Siskiyou Mt. Eddy Comment
  HSC81580  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-17 6090 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  RSA183660  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 216 Siskiyou Front slope of Black Mt., Marble Mts. Comment
  CAS-BOT-BC106036  Chaenactis suffrutescens Brandegee 1889-6-1 s.n. Siskiyou Edgewoods Comment
  JEPS125881  Chaenactis suffrutescens Dean W. Taylor 1996-7-25 15833 Siskiyou Klamath National Forest; Scott Mountains, on watershed divide between Crater Creek drainage and Mountain House Creek drainage, about 15 air miles W of Weed. Comment
  UC584275  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2439 Siskiyou about 2 mi w of the State Highway (along Pars's Creek); Par's Creek 1036 Comment
  SBBG27369  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  NY19114  Chamaecyparis nootkatensis S. W. Edwards 1983-7-11 SWE- 21 --83 Siskiyou Klamath National Forest, south end of Buck Lake. 1310.6 Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  SEINET10546749  Chamaesaracha nana Mary Merello 1993-6-25 Merello 719 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UCD77517  Chamaesaracha nana Robert E. Preston 2002-6-20 1823 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1888 Comment
  CHSC93669  Chamaesyce serpyllifolia Lowell Ahart; John Dittes 2005-6-10 12111 Siskiyou North of the poor dirt road, about 40 yards north of the Shasta River, about 200 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC4544  Chamerion angustifolium subsp. circumvagum J. E. Bowlin 1967-7-18 55 Siskiyou On roadside, and ca. 9.5 mi w of Mount Shasta Ski Bowl. Comment
  HSC92069  Chamerion angustifolium subsp. circumvagum Jennifer Whipple 1977-8-5 2180 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  CAS-BOT-BC482448  Chamerion latifolium Dana York 2011-8-13 3057 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  JEPS82487  Cheilanthes gracillima Gilbert Muth 1965-8-6 192 Siskiyou trail backside of Black Mt; Marble Mt Wilderness Area 1920 Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  RSA760928  Cheilanthes gracillima R. F. Thorne, Frederick W. Oettinger 1969-8-4 63382 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  CHSC72234  Chenopodium album Vernon H. Oswald; Lowell Ahart 1998-9-16 9651 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy 161. 1243 Comment
  RSA238388  Chenopodium pumilio Frederick W. Oettinger 1969-8-24 1532 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA211439  Chimaphila menziesii William J. Ferlatte 1966-8-3 270 Siskiyou Along the south fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC36656  Chimaphila menziesii Brent Whitely 1975-6-28 87 Siskiyou 915 Comment
  CAS-BOT-BC452263  Chimaphila umbellata Wm. Bridge Cooke 1938-8-5 11459 Siskiyou Mount Shasta: Sisson Southern Trail 1981 Comment
  HSC27634  Chimaphila umbellata Carl W. Mize 1972-6-22 87 Siskiyou In a draw past cut block #48 1113 Comment
  HSC68473  Chimaphila umbellata Maralyn A. Renner 1980-6-26 1223 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC184898  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. Comment
  CAS-BOT-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  CAS-BOT-BC36378  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain Comment
  POM267300  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  UC637075  Chrysolepis chrysophylla var. chrysophylla Edward Lee 1934-8-13 1062 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch of Indian Creek (watershed of West Branch of Indian Creek) 1219 Comment
  CAS-BOT-BC36249  Chrysolepis sempervirens R. Tallent 1987-8-12 904 Siskiyou Klamath National Forest, Long Gulch Lake 1121 Comment
  UCR78453  Cichorium intybus Scott D. White, Julie Greene 1993-8-24 1842 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. Comment
  CAS-BOT-BC190006  Cinna latifolia John Thomas Howell 1939-8-10 15252 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  SEINET8497824  Cinna latifolia D. W. Taylor 2006-8-8 19590 Siskiyou Dry Creek Peak (ridge ca. 12 air miles Northeast of Mt. Shasta summit) at headwaters Antelope Creek 2195 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA0070844  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt. 1524 Comment
  CAS-BOT-BC278043  Cirsium cymosum Alice Eastwood 1923-5-29 12001 Siskiyou Cantara Comment
  CDA1189  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  CAS-BOT-BC278051  Cirsium cymosum T. C. Fuller 1960-6-29 4644 Siskiyou Scott Mtn. road, 3.6 miles S/Callahan Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  CDA35788  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 Comment
  CAS-BOT-BC279886  Cirsium douglasii var. breweri L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  UC135253  Cirsium douglasii var. breweri Dr. E. B. Copeland 1903-8-14 3934 Siskiyou Sisson Pacific Coast, Sisson 1066 Comment
  JEPS59330  Cirsium occidentale var. candidissimum W. L. Jepson 1940-6-22 19976 Siskiyou near Hawkinsville; Shasta River 792 Comment
  SBBG18918  Cirsium occidentale var. candidissimum F. E. Clements 1918-1 Siskiyou 2 mi from Hornbrook Comment
  CAS-BOT-BC288776  Cirsium remotifolium H. A. Thomas; J. H. Thomas 1954-7-25 4536 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC286476  Cirsium scariosum Peter H. Raven 1956-9-4 10404 Siskiyou South side of Mt. Eddy 2682 Comment
  CAS-BOT-BC439049  Cistanthe monosperma Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC172568  Clarkia purpurea subsp. purpurea L. E. Smith 1913-6-20 384 Siskiyou Weed Comment
  CAS-BOT-BC163457  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River between Forks of Salmon & Somes Bar Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  CAS-BOT-BC439104  Claytonia cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  JEPS43321  Claytonia exigua subsp. exigua J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  UC1112868  Claytonia lanceolata H. K. Wagnon and Douglas Barbe 1957-6-16 13132 Siskiyou Scott Mt. 1920 Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  UCD77231  Claytonia rubra Robert E. Preston 2002-6-20 1851 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1968 Comment
  JEPS94258  Claytonia rubra subsp. depressa Vernon H. Oswald and Lowell Ahart 1998-6-11 9219 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
  HSC37544  Claytonia rubra subsp. rubra J. P. Smith 1974-5-27 7607 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC618649  Claytonia rubra subsp. rubra unknown 1938-6-24 11063 Siskiyou MacBride Springs; Mount Shasta Comment
  HSC4462  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake Basin 1677 Comment
  RSA211260  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC375266  Clematis ligusticifolia Geo. D. Butler 1908-7-30 526 Siskiyou along creek near Yreka Comment
  HSC60116  Clinopodium douglasii M. A. Baker 1977-5-14 275 Siskiyou Karok garden in Happy Camp Comment
  HSC67679  Clintonia uniflora John Palmer 1980-7-24 620 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  CAS-BOT-BC500962  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mountains 1219 Comment
  CAS-BOT-BC500970  Clintonia uniflora A. A. Heller 1919-6-27 13251 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1158 Comment
  RSA78293  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  HSC72580  Collinsia greenei J. P. Smith 1976-5-5 8681 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CDA41377  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2600 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  SBBG6871  Collinsia parviflora J. M. Tucker 1947-5-17 1556 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  JEPS6165  Collinsia rattanii Geo. D. Butler 1909-4-26 616 Siskiyou Oro Fino Comment
  HSC41801  Collinsia rattanii Brent Whiteley 1975-7-8 146 Siskiyou Klamath National Forest 762 Comment
  POM43380  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley. Comment
  HSC29391  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-11 977 Siskiyou Marble Mtn. Wilderness Area, W of NW end of Hancock Lake 1951 Comment
  UCD123695  Collinsia torreyi var. latifolia W. C. Overton Jr. 1977-7-10 s.n. Siskiyou along trail from Big Flat to Sunrise Pass (between headwaters of Gulick Creek to northwest and Sunrise Creek to southeast) in area where trail leaves forest and enters large, open meadow and shurb area at head of Gulick Creek, Klamath National Forest. 2145 Comment
  HSC45818  Collomia grandiflora J. P. Smith, Steve Selva 1970-6-14 3864 Siskiyou Comment
  SEINET2445781  Collomia heterophylla A. A. Heller 1905-6-1 7947 Siskiyou Upper Soda Spring. Along railroad opposite Upper Soda Spring, under or near shrubs. Comment
  HSC60958  Collomia tinctoria Ruby Van Deventer 14 Jun [year missing] Siskiyou Chicago Peak Comment
  HSC90215  Collomia tinctoria Michael P. Murray Jul 1991 3 Siskiyou Marble Mtn. Wilderness Area, E facing slope of Elk Valley 1890 Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  JEPS93956  Conium maculatum Vernon H. Oswald and Lowell Ahart 1998-9-16 9644 Siskiyou 8.7 mi e of Highway 97 (Vista Point on Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Vista Point 1243 Comment
  UC618655  Conyza canadensis unknown 1938-7-29 11383 Siskiyou Howard Mount Shasta, Howard 1219 Comment
  RSA237632  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Steep west-southwest slope north-northeast of Pine Lake. The Salmon Mountains; high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2073 Comment
  HSC19042  Corallorhiza mertensiana J. O. Sawyer 1969-7-24 1518 Siskiyou W of Sugar Lake 1890 Comment
  JEPS84238  Corallorhiza mertensiana L. R. Heckard with J. Hickman et al. 1986-7-17 6471 Siskiyou ca. 5 mi. n. town of Seiad Valley (trail up Kangaroo Peak, s. of Lily Pad Lake); Kangaroo Peak 1900 Comment
  HSC77013  Corallorhiza striata K. T. Stillman 1976-6-24 38 Siskiyou Marble Mountain Wilderness Area, trail from Lovers Camp to Marble Valley 1463 Comment
  SEINET4854286  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City. 1159 Comment
  SEINET3864281  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road.; 0 997 Comment
  HSC49947  Cordylanthus tenuis subsp. pallescens G. L. Clifton, Ground 1978-7-18 2390 Siskiyou Near Upton, close to the town of Mt. Shasta 1140 Comment
  JEPS85956  Cordylanthus tenuis subsp. pallescens Don Burk 1990-4-1 DB 17 Siskiyou just s Weed Elementary School (s side of Hilltop Dr, less than 0.1 mi e of S. Davis Ave.); Weed NW Quadrangle 1072 Comment
  CHSC105589  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16234 Siskiyou At sign at border of Shasta-Trinity National Forest on Highway 89 east of McCloud. 1356 Comment
  SBBG93279  Cordylanthus tenuis subsp. viscidus B. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mtn summit, on Hwy 4, at rd jct; W of rd 1371 Comment
  UC166604  Cornus glabrata Geo. D. Butler 1908-8-7 84 Siskiyou bank of Lake at head of W. Fork Woolly Creek Comment
  HSC31733  Cornus nuttallii Glenn McGourty 1974-5-25 56 Siskiyou 1402 Comment
  HSC99831  Cornus nuttallii T. Jimerson, J. Pageau 1979-6-15 568 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  CAS-BOT-BC210405  Cornus sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  CAS-BOT-BC212151  Cornus sericea William A. Dayton 1913-6-14 8257 Siskiyou On banks of Rail Creek, Shasta Forest 1341 Comment
  UC637142  Cornus sericea subsp. sericea Edward Lee 1934-8-13 1072 Siskiyou Happy Camp to Waldo (Oregon) rd. Klamath Nat'l Forest (watershed of W. Branch Indian Creek); , W. Branch Indian Creek 1371 Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  SBBG84017  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mtn Wilderness Area Comment
  HSC29224  Crepis acuminata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1263 Siskiyou Marble Mtn. Wilderness Area, along trail NNE of Tom's and Hancock Lake Basin 2165 Comment
  UC163909  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  UCD130929  Crepis capillaris Robert E. Preston 1995-6-18 880 Siskiyou ca. 3 miles east-southeast of Hornbrook, adjacent to Ager Road. 701 Comment
  UC1041113  Crepis intermedia J. W. Congdon 1900-8-16 Siskiyou Castle Lake Trail Comment
  HSC46192  Crepis occidentalis subsp. occidentalis Jennifer Whipple 1977-4-30 1877 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CAS-BOT-BC290863  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, at 0.3 mi N of Hwy 3 on Forest Service 40 N 08 1671 Comment
  JEPS16944  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou pass just s Mount Eddy 2438 Comment
  OBI55464  Crepis pleurocarpa David J. Keil, Kathleen Keil 1992-7-21 23540 Siskiyou Klamath Natl forest SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC163912  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackleford Creek Log Lake Comment
  CAS-BOT-BC299733  Crocidium Roxana S. Ferris; Laura Lorraine 1948-6-12 11835 Siskiyou Gazelle Mountain Grade, road between Callahan and Gazelle 1499 Comment
  CDA4485  Crocidium multicaule Vernon H. Oswald & Lowell Ahart 1998-6-11 9197 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  HSC74821  Cryptantha affinis J. P. Smith, Jennifer Whipple 1978-7-2 9981 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC133676  Cryptantha affinis A. A. Heller 1905-6-5 7962 Siskiyou near Shasta Springs Comment
  UC711887  Cryptantha ambigua Roxana S. Ferris and Laura Lorraine 1941-8-11 10496 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  UC857144  Cryptantha intermedia Milo S. Baker 1936-6-12 8285 Siskiyou about 42 mi n Weed (Highway 97) Comment
  HSC36748  Cryptantha torreyana J. P. Smith 1974-5-25 7393 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC70483  Cryptogramma acrostichoides John Thomas Howell 1939-8-3 15006 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  UCSB51229  Cryptogramma acrostichoides Almanza, Ed 1976-7-13 Siskiyou The "Gate" Pass, Mt. Shasta 2438 Comment
  CAS-BOT-BC80563  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, [Goose Nest] Goosenest Region 1828 Comment
  NY16602  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou Northwest side Goose Nest Mt., about 1 mile due south of Old Smith Sawmill on Montague to Mt. Hebron Road 1676.4 Comment
  RSA22769  Cupressus bakeri O. V. Matthews 1939-7-18 37 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  UC484051  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou 1 mi e of Timbered Butte (on old road from C. W. Hill Farm at Dana to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  SEINET8369569  Cupressus bakeri C. V. Matthews 1939-3-8 Siskiyou SE Siskiyou Co., Type locality. Comment
  CAS-BOT-BC213751  Cupressus bakeri subsp. matthewsii Carl Brandt Wolf 1934-10-9 2130 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3/4 mi. above forks of creek 1158 Comment
  NY1293  Cupressus bakeri subsp. matthewsii C. B. Wolf 1934-10-9 6169 Siskiyou Siskiyou Mts., above W fork of Seiad Creek, 0.75 mi above forks of creek. 1158.2 Comment
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  CHSC109724  Cupressus macnabiana Louis C. Wheeler 1936-4-14 3417 Siskiyou Siskiyou Mts., West Fork Seiad Creek. 1158 Comment
  UC60940  Cuscuta cephalanthi Geo. B. Grant Sep 1902 5217 Siskiyou Mount Shasta Comment
  RSA625529  Cuscuta occidentalis L. C. Wheeler 1963-8-25 8268 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  HSC77760  Cuscuta suksdorfii L. P. Janeway 1983-8-16 547 Siskiyou Poker Flat 1524 Comment
  JEPS104992  Cyperus squarrosus Dean W. Taylor 1996-7-27 15866 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  HSC66260  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  RSA722402  Cypripedium californicum W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  CHSC2338  Cypripedium fasciculatum M. Yoder 1932-6-20 Siskiyou Castle Lake. ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  HSC19325  Cypripedium fasciculatum J. O. Sawyer 1968-6-18 229 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA382008  Cypripedium montanum Robert Kessler 1921-6-19 s.n. Siskiyou Siskiyou. Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  UC185190  Cystopteris fragilis Geo. D. Butler 1910-7-9 1694 Siskiyou Shackleford Creek 1219 Comment
  HSC19005  Cystopteris fragilis J. O. Sawyer 1969-7-1 975 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  HSC90222  Cystopteris fragilis Michael P. Murray 1991-6-30 2 Siskiyou Marble Mtn. Wilderness Area, ridge between Kings Castle and jumpoff point 2134 Comment
  CAS-BOT-BC194395  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA115694  Danthonia intermedia Beecher Crampton 1956-8-22 3861 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  CAS-BOT-BC192356  Danthonia unispicata Clare B. Hardham 1961-7-3 8077 Siskiyou Scott Mt. South of Calahan [Callahan] Comment
  CHSC118612  Danthonia unispicata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016013 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  CHSC30185  Darlingtonia californica M. S. Taylor 1980-7-22 3174 Siskiyou Just e of Big Carmen Lake, take right turn on logg ... Field redacted by CHSC, contact the data manager for more information 1828 Comment
  HSC66240  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow 1555 Comment
  UC1475697  Darlingtonia californica Clifton and Ground 1978-7-2 1856 Siskiyou near Big Carmen Lake (close to town of Callahan); China Mt. Quadrangle 1704 Comment
  UC1334523  Delphinium andersonii G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 18 Siskiyou sw-facing slope Sconchin Butte Comment
  RSA59807  Delphinium andersonii E. K. Balls 1950-5-17 14724 Siskiyou New Lava Flow, on road from Schonchin Butte to Campt. Jack's Stronghold, Lava Bed National. 1494 Comment
  RSA105391  Delphinium decorum subsp. tracyi G. D. Barbe 1955-7-6 134 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC28666  Delphinium depauperatum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  JEPS74466  Delphinium glaucum W. J. Ferlatte 1966-8-18 404 Siskiyou 3 mi s Big Flat; Trinity Alps 1584 Comment
  CAS-BOT-BC8758  Delphinium glaucum M. B. Dunkle 1945-8-2 9272 Siskiyou Paradise Lake, Klamath National Forest 1828 Comment
  CAS-BOT-BC8760  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mountain Wilderness Area, Bear Creek Trail 1584 Comment
  UCD95719  Delphinium glaucum Dorothy Parker 1958-8-12 707 Siskiyou South Fork of Scott River. Along a small stream, tributary of Scott River. 1524 Comment
  CAS-BOT-BC116161  Delphinium nuttallianum Gilbert J. Muth 1966-7-17 407 Siskiyou Marble Mts. meadow on trail to Lookout. 1859 Comment
  CAS-BOT-BC118067  Delphinium nuttallianum Elmer Ivan Applegate 1895-5-29 937 Siskiyou Sisson Comment
  CAS-BOT-BC118069  Delphinium nuttallianum H. E. Brown 1897-6-11 s.n. Siskiyou North side Mt. Shasta 2743 Comment
  HSC91416  Deschampsia cespitosa Jennifer Whipple 1976-9-2 1764 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UCD61112  Deschampsia cespitosa A. H. Murphy 1958-8-4 58 -C Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CHSC60568  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 596 Siskiyou Siskiyou Mountains; at Poker Flat, lower portion of a meadow. 1524 Comment
  CAS-BOT-BC201633  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  HSC26484  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC86561  Deschampsia elongata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
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Mar 22 2012
  UC1950437  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou where several forks join before a steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  UCD63425  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  CDA24793  Descurainia incisa subsp. filipes F. D. Horn 1980-6-17 Siskiyou East side of Butte Valley, along base of Inlow Butte, near Macdoel. 0 Comment
  CAS-BOT-BC42969  Descurainia incisa subsp. incisa John Thomas Howell 1937-7-22 13326 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA184719  Descurainia obtusa subsp. adenophora Gilbert Muth 1966-7-19 426 Siskiyou Meadow above horse pasture, Marble Mtns. 1805 Comment
  UC855986  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC402219  Dicentra chrysantha Volney Rattan 1884-1-1 s.n. Siskiyou Road to Stony Creek down Black Butte Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  UC455332  Dicentra formosa I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (tollroad) Comment
  UC35046  Dicentra formosa C. B. Bradley 1879-1 Siskiyou Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  RSA297039  Dicentra formosa subsp. formosa John F. Emmel 1974-7-19 516 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  RSA120726  Dicentra pauciflora S. S. Tillett 1956-7-9 644 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  UC454399  Dichelostemma capitatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC500904  Dichelostemma capitatum Mrs. H. C. Cantelow 1936-5-21 1329 Siskiyou North slope Scott Mountain above Callahan 1127 Comment
  HSC22859  Dichelostemma multiflorum J. O. Sawyer 1969-6-12 910 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC375190  Dichelostemma multiflorum Geo. D. Butler 1909-5-15 789 Siskiyou Shasta Rim hills Shasta Rim Comment
  UC593509  Dichelostemma multiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1941 Siskiyou about 8 mi s Yreka 822 Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  JEPS40718  Dieteria canescens var. incana Geo. D. Butler 1911-9-11 1869 Siskiyou Comment
  CAS-BOT-BC291013  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2070 Siskiyou Mount Shasta Comment
  UC61649  Dieteria canescens var. shastensis Geo. B. Grant September 1902 5119 Siskiyou Horse Camp, Mt. Shasta Mt. Shasta 2438 Comment
  UC86847  Dieteria canescens var. shastensis K. Brandegee Jul 1884-Jul 1889 Siskiyou Ager Klamath River, Ager Comment
  HSC68034  Dipsacus fullonum J. P. Smith, Steve Selva 1970-7-17 4433 Siskiyou Tyler Gulch Comment
  CHSC1391  Dodecatheon alpinum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2590 Comment
  CHSC29778  Dodecatheon alpinum M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2785 Siskiyou Bog around Cedar lake, peat mounds at lake edge. 1737 Comment
  RSA755664  Dodecatheon alpinum Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  RSA238726  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1966-8-7 45 Siskiyou Below Tom Taylor Cabin Springs. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA238728  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1969-9-4 1672 Siskiyou In wet boreal meadow below Tom Taylor Cabin Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA183711  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou Marble Mountains; backside of Black Mountain Comment
  HSC30792  Dodecatheon jeffreyi Melinda F. Denton 1973-6-30 2939 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  UC562746  Dodecatheon jeffreyi Joseph P. Tracy 1935-8-1 14400 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek, Rock Lake); btw Salmon and New Rivers, Rock Lake, West Fork Knownothing 1889 Comment
  JEPS60244  Downingia bacigalupii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2306 Siskiyou ca 3 mi ne Little Deer Mt.--The Whaleback Quad. (1.2 mi from U.S. Highway 97, along road to Hoffman Mill) 1554 Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  SD241789  Downingia elegans var. elegans Dean Wm. Taylor 1999-6-9 17240 Siskiyou Cascade Range: Agate Flat, 0.3 miles S of Oregon State Line. 1006 Comment
  RSA516617  Downingia yina R. C. Bacigalupi, Lincoln Constance, M. Hiroe 1956-6-9 5696 Siskiyou Along U.S. Hwy 99, 1.5 mile N of Weed, Shasta Valley. 976 Comment
  CAS-BOT-BC41317  Draba pterosperma W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak. Comment
  CAS-BOT-BC41318  Draba pterosperma Harley Pierce Chandler 1901-6-1 1654 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  UC61197  Draperia systyla W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  RSA654055  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1372 Comment
  JEPS25594  Drymocallis glandulosa var. reflexa Rimo Bacigalupi 1959-7-2 7226 Siskiyou near n base Caribou Mtn (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground); headwaters South Fork Salmon River, Coffee Creek drainage 1508 Comment
  UC165739  Drymocallis lactea var. austiniae Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  HSC29474  Drymocallis lactea var. lactea Frederick W. Oettinger 1969-7-13 1002 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  HSC42933  Dryopteris arguta Ken Stillman 1976-8-31 455 Siskiyou E and N sides of Williams Point 366 Comment
  CAS-BOT-BC113787  Dulichium arundinaceum Wayne Roderick 1981-7-5 s.n. Siskiyou Cedar Lake Comment
  UCD98822  Dysphania pumilio A. A. Heller 1915-8-24 11210 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET10501599  Egeria densa Katherine L. Morris 1973-6-2 Morris 344 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  OBI80338  Elatine chilensis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  UC184026  Eleocharis obtusa Geo. D. Butler 1908-8-28 7 Siskiyou Oro Fino Comment
  CAS-BOT-BC112692  Eleocharis parishii David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones nr head of Yreka Creek at first spring Serpentine outcropping 1127 Comment
  RSA0037180  Eleocharis rostellata Lowell A. Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC451560  Elodea canadensis Alice Eastwood No date on label 1268 Siskiyou Sisson Comment
  CAS-BOT-BC213783  Elymus X hansenii Wm. Bridge Cooke 1938-7-15 11227 Siskiyou Above Bear Springs. 1676 Comment
  UCD61279  Elymus aristatus L. Whitney 1935-7-15 3470 Siskiyou Near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  POM205453  Elymus elymoides E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon. Comment
  RSA238986  Elymus elymoides Frederick W. Oettinger 1968-8-8 456 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1495300  Elymus elymoides subsp. elymoides Robert T. Clausen and Harold Trapido 1940-7-27 4971 Siskiyou w side of creek 5 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 1981 Comment
  HSC108  Elymus elymoides var. californicus William J. Ferlatte 1966-8-2 243 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC27025  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1972-9-12 5765 Siskiyou Scott Mtn., 1/2 mile E of Scott Mtn. Rd. (Hwy. 3). 1646 Comment
  HSC67788  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3754 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69117  Elymus elymoides var. elymoides Maralyn A. Renner 1980-8-7 2391 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  UC166039  Elymus glaucus Geo. D. Butler 1910-7-3 1624 Siskiyou Goosenest foothills; creek bed 1219 Comment
  CAS-BOT-BC206594  Elymus glaucus subsp. glaucus John Thomas Howell 1937-7-21 13167 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC206607  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC206609  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9105 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC101485  Elymus glaucus subsp. glaucus J. P. Smith, J. O. Sawyer 2011-7-21 13041 Siskiyou Near Dillon Camp 1358 Comment
  HSC31100  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  HSC58856  Elymus lanceolatus subsp. lanceolatus Marvin Butler 1971-1 265 Siskiyou Near Youngs Valley, close to the town of Cave Junction. 1403 Comment
  UCR208170  Elymus macounii E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon 645 Comment
  CAS-BOT-BC213810  Elymus repens R. E. Frenkel 1964-7-14 683 Siskiyou On an east shoulder of Everitt Memorial Highway near Mount Shasta, 1.0 mile north of McCloud River RR crossing. 1341 Comment
  HSC32484  Elymus spicatus J. P. Smith, Steve Selva 1970-7-28 4530 Siskiyou South Fork of Sacramento River 1128 Comment
  JEPS68380  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  POM37890  Epilobium brachycarpum Edward Palmer 1892-7-13 2433 Siskiyou Mt. Shasta and vicinity. Comment
  RSA240051  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS121600  Epilobium ciliatum Kendra Sikes 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Gently sloping wet meadow on ultramafic soil; W aspect. South China Mountain quadrangle. TF1_A Comment
  SEINET6637243 Image available Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-1 12213 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  POM171587  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-8-18 6479 Siskiyou Near head of north fork of Salmon River at English Lake 1524 Comment
  POM261009  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1941-9-5 16276 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  POM32376  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek. Comment
  RSA22181  Epilobium ciliatum subsp. glandulosum J. T. Howell 1939-8-3 14961 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  SEINET6635778 Image available Epilobium ciliatum subsp. glandulosum H. E. Brown 1897-1 552 Siskiyou S side of Mount Shasta 1524 Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  UC637162  Epilobium glaberrimum subsp. glaberrimum Edward Lee 1934-8-15 1127 Siskiyou summit of Happy Camp to Waldo Rd, Klamath National Forest, Indian Creek Watershed 1615 Comment
  HSC78326  Epilobium hallianum L. P. Janeway 1983-7-24 450 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  HSC91952  Epilobium hallianum Jennifer Whipple 1976-7-8 1347 Siskiyou SW of Dobkins Lake along drainage into the lake 2256 Comment
  RSA105429  Epilobium hallianum Douglas Barbe 1955-7-26 277 Siskiyou Klamath Mountains: At a spring on the north slope of Scott Mountain 1829 Comment
  RSA237400  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  RSA237576  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou Between King David Mountain and Abbotts. The Salmon Mountains. The high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area 1860 Comment
  UC157673  Epilobium lactiflorum Milo S. Baker 1898-8-1 509 Siskiyou bluffs sw Medicine Lake Comment
  HSC77154  Epilobium luteum L. P. Janeway 1983-9-11 679 Siskiyou Along creek edge just W of Poker Flat along the trail to Twin Valley 1524 Comment
  RSA139178  Epilobium luteum R. C. Bacigalupi, Constance, Heckard 1960-7-20 7450 Siskiyou Poker Flat, headwaters of the West Branck of Indian Creek; Siskiyou Mountains, close to Del Norte Co. line 1555 Comment
  POM38545  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou Near Yreka Comment
  UC4484  Epipactis gigantea C. B. Bradley 1879-1 Siskiyou Comment
  RSA239283  Equisetum hyemale var. affine Frederick W. Oettinger 1966-7-25 34 Siskiyou Along Timber Gulch Bank, Salmon River District, Klamath National Forest, Cecilville 701 Comment
  CAS-BOT-BC57806  Equisetum laevigatum J. H. Thomas 1949-6-16 941 Siskiyou 10 mi. n. of Gazelle. Comment
  UCSB18560  Equisetum laevigatum 1962-6-10 Siskiyou N bank of Klamath River at its junction with Goff Creek, 4,5 mi W of Seiad. 411 Comment
  HSC4917  Eremogone congesta J. O. Sawyer 1968-7-22 542 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC168326  Eremogone congesta var. congesta Doris K. Kildale 1928-8-19 6543 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  CAS-BOT-BC286695  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On road to McCloud, 1/2 mile above junction with Pacific Highway 1097 Comment
  CAS-BOT-BC286698  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  HSC2325  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mtns. 1220 Comment
  HSC4759  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat; wooded area near public camp 1524 Comment
  UC166600  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  UCD131320  Ericameria bloomeri Lorry Dunning 1967-8-11 s.n. Siskiyou Mt. Shasta Ski Bowl. 2438 Comment
  RSA90623  Ericameria bloomeri F. W. Peirson 1923-7-19 3890 Siskiyou Whitney Creek, Mt. Shasta. Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  HSC27012  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5764 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  UCD35437  Ericameria nauseosa Beecher Crampton 1956-8-21 3842 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  UC205552  Ericameria nauseosa var. speciosa H. M. Hall 1919-10-3 10985 Siskiyou near Yreka Hills Comment
  UC1303140  Ericameria parryi var. latior A. A. Heller 1927-8-1 14438 Siskiyou near the town Mt. Shasta (along the base of Spring Hill, on the headwater of the Scramento River); Sacramento River, Spring Hill Comment
  CAS-BOT-BC293377  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  HSC69305  Erigeron aliceae Maralyn A. Renner 1980-7-24 1984 Siskiyou Pacific Crest Trail above Lily Pad Lake 1799 Comment
  HSC61778  Erigeron aliceae Ruby Van Deventer Jul 1959 Siskiyou Poker Flat 1585 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
  UC581713  Erigeron aliceae Joseph P. Tracy 1935-8-4 14523 Siskiyou head of Plummer Creek (e of Mary Blaine Mt., at point called Snow Prarie); , Snow Prarie 1828 Comment
  CAS-BOT-BC296951  Erigeron eatonii var. eatonii A. A. Heller 1922-7-15 13698 Siskiyou In wet soil at the western entrance to Medicine Lake 2133 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
  HSC29194  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou Summit of English Peak 2229 Comment
  CAS-BOT-BC295387  Erigeron inornatus L. E. Smith 1914-7-6 749 Siskiyou Sisson Comment
  CAS-BOT-BC295389  Erigeron inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1066 Comment
  SBBG25833  Erigeron inornatus D. Myrick 1966-8-13 1555 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  JEPS94098  Erigeron inornatus var. inornatus Vernon H. Oswald and Lowell Ahart 1998-9-8 9609 Siskiyou ca. 2 air mi. n.w. Indian Spring Mt. (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 6 air mi. w. of Mosquito Lake & Whitehorse Flat Reservoir) 1127 Comment
  HSC29220  Erigeron inornatus var. inornatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1197 Siskiyou Along the trail above 'Willow Springs' between Abbott's Upper Cabin and English Lake 1677 Comment
  RSA238711  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1968-8-23 609 Siskiyou Between the rocky ridges on 'Shasta Ridge' due SE of Diamond Lake 2043 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC248843  Eriogonum compositum var. compositum Annie M. Alexander; Louise Kellogg 1949-7-29 5901 Siskiyou Trail to Hidden L. by way of Campbell L. trail, above Sky High Valley, Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC250063  Eriogonum compositum var. compositum Lillian Mott 1976-7-4 28 LM76 Siskiyou Cook and Green Pass road north of Seiad Valley at waterfowl 1463 Comment
  UC634601  Eriogonum compositum var. compositum Mable Ruttle 1927-6-5 Siskiyou s slopes of Siskiyou Mts. Siskiyou Mts. Comment
  RSA594177  Eriogonum congdonii S. O. Mattoon 1978-9-23 46 Siskiyou Mt. Eddy Divide, 2 miles N of Dead Fall Meadows; Shasta North Fork at Trinity Co. line 2287 Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1475704  Eriogonum diclinum Clifton and Ground 1978-7-30 2450 Siskiyou near Alex Hole (close to the town of Klamath River); Condrey Mt. Quadrangle 2122 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  JEPS24036  Eriogonum elatum var. elatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6900 Siskiyou Poker Flat Siskiyou Mountains, Poker Flat 1536 Comment
  CAS-BOT-BC255759  Eriogonum elatum var. villosum Douglas Barbe 1955-7-4 087 Siskiyou 1.3 miles south of Etna on the Westside Road to Callahan, Klamath Mountains 853 Comment
  UC454347  Eriogonum elatum var. villosum I. J. Condit 1911-7-13 Siskiyou Dunsmuir, bank of Sacramento River Sacramento River, Dunsmuir Comment
  UCD19115  Eriogonum elatum var. villosum A. M. Shapiro 1986-7-16 s.n. Siskiyou Ball Mountain. 1981 Comment
  HSC43461  Eriogonum marifolium Jennifer Whipple 1976-6-24 1130 Siskiyou N slopes of Mt. Eddy 2439 Comment
  JEPS56733  Eriogonum marifolium W. L. Jepson 1940-6-28 20064 Siskiyou McCloud 975 Comment
  SBBG1445  Eriogonum marifolium H. and M. Dearing 1948-9-12 6429 Siskiyou Mt Shasta 2316 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  CAS-BOT-BC263191  Eriogonum marifolium var. cupulatum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC268694  Eriogonum microthecum var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  HSC43064  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-27 4519 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC1034615  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou roadside bank 0.2 mi n Callahan 975 Comment
  HSC17320  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-29 301 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UCD105091  Eriogonum nudum var. pubiflorum K. M. Meyer; A. Townesmith 2007-8-4 189 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  CHSC98694  Eriogonum ovalifolium var. eximium L. P. Janeway; B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. 2067 Comment
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Mar 28 2018
  CAS-BOT-BC252965  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1921-7-29 10960 Siskiyou Little Mt. Hoffmann Comment
  HSC17430  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide above Kangaroo Lake 1921 Comment
  CAS-BOT-BC263382  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  HSC43453  Eriogonum strictum var. proliferum Jennifer Whipple 1976-9-3 1772 Siskiyou Near Little Crater Lake 2195 Comment
  UC164081  Eriogonum strictum var. proliferum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  JEPS56424  Eriogonum strictum var. proliferum W. L. Jepson 1907-7-25 2961 Siskiyou Patterson Creek bed Scott Valley Comment
  UC1299712  Eriogonum ternatum Freed W. Hoffman 1950-7-14 3624 Siskiyou Baldy Mountain Comment
  CAS-BOT-BC267946  Eriogonum umbellatum L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08 1645 Comment
  SEINET244751 Image available Eriogonum umbellatum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  CAS-BOT-BC267976  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 490 Siskiyou Salmon Mountain 1798 Comment
  CAS-BOT-BC267990  Eriogonum umbellatum var. argus J. F. Emmel 1968-7-18 89 Siskiyou Slope south above Castle Lake 1889 Comment
  CAS-BOT-BC267994  Eriogonum umbellatum var. argus A. A. Heller 1940-7-24 15762 Siskiyou Shore of Castle Lake Comment
  CAS-BOT-BC268145  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1938-8-24 11581 Siskiyou Mount Shasta. Near Bolam Creek Comment
  CAS-BOT-BC268148  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10374 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  UC85401  Eriogonum vimineum Dr. E. B. Copeland 1903-7-5 3538 Siskiyou Klamathon Comment
  RSA238942  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou Just N of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS19990  Eriophorum gracile W. L. Jepson Aug. 1894 Siskiyou near Sisson Comment
  CDA18412  Eriophyllum lanatum G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2650 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  SEINET10758249  Eriophyllum lanatum var. achilleoides Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 880 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  CAS-BOT-BC301123  Eriophyllum lanatum var. achilleoides L. E. Smith 1914-4-25 640 Siskiyou Yreka Comment
  HSC5613  Eriophyllum lanatum var. achilleoides R. C. Wunner 1965-6-29 290 Siskiyou California Lava Beds National Monument; Tichner Rd. 1 1/2 mi. from Mammoth Crater 1555 Comment
  POM208254  Eriophyllum lanatum var. achilleoides L. C. Wheeler 1934-6-2 2618 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  SFV5208  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1957-6-24 s. n. Siskiyou Scott Mountains. Near the top of Gazelle Mountain. 1463 Comment
  UC563835  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou s cinder slope of Caldwell Butte; Lava Beds National Monument Comment
  UC643287  Eriophyllum lanatum var. integrifolium unknown 1940-7-26 15368 Siskiyou in the lower part of Diller Canyon (in openings between chaparral and pine woods); Mount Shasta, Diller Canyon 1524 Comment
  CAS-BOT-BC301706  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1952-7-3 17920 Siskiyou Fort Goff Public Camp, Klamath River 365 Comment
  HSC25459  Eriophyllum lanatum var. lanceolatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5654 Siskiyou Ridge E of Cook and Green Pass. 1524 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
  SBBG8170  Eriophyllum lanatum var. lanceolatum H. and M. Dearing 1939-6-3 3534 Siskiyou near Scott Bar Comment
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC81578  Erysimum capitatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6091 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC922602  Erysimum capitatum var. capitatum Annie M. Alexander and Louise Kellogg 1948-9-7 5594 Siskiyou on road between first fork to Lookouts and second fork to Lookouts; Siskiyou Mountains, Black Bear Summit Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  UC199229  Erysimum perenne Annie M. Alexander and Louise Kellogg 1911-6-21 168 Siskiyou Jackson L. Jackson Pk Comment
  SEINET3160625  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  HSC27009  Eucephalus glabratus J. P. Smith, J. O. Sawyer 1972-9-12 5774 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  RSA96848  Eucephalus glabratus Percy C. Everett, E. K. Balls 1954-10-13 20291 Siskiyou Indian Creek Road to Obrien, 20.5 miles northwest from Hwy 96 at Happy Camp 1524 Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC65053  Euonymus occidentalis J. P. Smith, Steve Selva 1970-6-16 4089 Siskiyou 7 mi. W of Sawyers Bar on road to Forks of Salmon Comment
  CAS-BOT-BC202765  Euonymus occidentalis Dorothy Parker 1951-7-15 s.n. Siskiyou Along banks of Etna Creek 883 Comment
  CAS-BOT-BC310632  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC413901  Fallopia convolvulus Alice Eastwood 1912-7-22 1314 Siskiyou Sisson Comment
  UCD98897  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  CAS-BOT-BC278740  Festuca idahoensis Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  HSC157  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Big Flat 1524 Comment
  HSC42966  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-5-29 2752 Siskiyou Along Specimen Creek. 884 Comment
  HSC74870  Festuca idahoensis J. P. Smith, Jennifer Whipple 1978-7-2 9970 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC818056  Festuca occidentalis Louis C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek Siskiyou Mts., Mt. Diablo Mer. 1310 Comment
  UCD66146  Festuca occidentalis R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  UC1026159  Festuca pratensis Louis C. Wheeler 1935-6-2 3545 Siskiyou Shasta River Siskiyou Mts. Comment
  CAS-BOT-BC279075  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; ridge just north-west behind West Branch Guard Station 701 Comment
  RSA215653  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  HSC19062  Fragaria vesca J. O. Sawyer 1969-6-11 824 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC33968  Fragaria vesca J. P. Smith 1974-5-25 7465 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC437073  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 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
  UC1949127  Frasera albicaulis var. nitida Barbara Ertter 1990-7-14 9304 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CAS-BOT-BC223577  Fraxinus latifolia Alice Eastwood 1921-7-30 11011 Siskiyou Shasta Springs Comment
  CAS-BOT-BC223579  Fraxinus latifolia A. M. Vollmer; L. Beane 1951-6-2 46 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  UC164478  Fritillaria pudica Geo. D. Butler 1909-5-3 1089 Siskiyou near Yreka Comment
  CAS-BOT-BC506208  Fritillaria pudica Ellsworth Bethel 1923-4-21 s.n. Siskiyou Fall River Mills Comment
  CAS-BOT-BC508135  Fritillaria recurva Wm. F. Herrin 1921-5-9 s.n. Siskiyou Shasta Springs Comment
  RSA256611  Fritillaria recurva J. P. Smith 1974-5-25 7435 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CDA42124  Galium aparine G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2624 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC1409415  Galium bifolium Frederick W. Oettinger 1969-7-9 937 Siskiyou meadow nw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  UC618908  Galium bifolium W. Bridge Cooke 1938-7-1 11146 Siskiyou below Wagon Camp (near creeks); Mount Shasta Comment
  HSC72354  Galium bolanderi J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8972 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  UC144572  Galium bolanderi A. A. Heller 1905-6-15 8034 Siskiyou near Sisson Comment
  HSC27630  Galium bolanderi Carl W. Mize 1972-6-21 65 Siskiyou 305 Comment
  UC585122  Galium bolanderi E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1989 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1 1/2 mi w); Rainbow Ridge 1180 Comment
  JEPS84281  Galium glabrescens L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6366 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi e of Red Butte summit) 1900 Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  HSC62270  Galium muricatum Al Hobart 1968-8-20 Siskiyou Young's Valley Comment
  CHSC91385  Galium parisiense Lowell Ahart; John Dittes 2005-6-10 12116 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC29316  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Marble Mtn. Wilderness Area, along trail on E side of Hancock Lake 1936 Comment
  HSC61792  Galium triflorum Al Hobart 1967-7-5 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC182152  Garrya fremontii C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon, near Klamath Hot Spgs. Comment
  CAS-BOT-BC182270  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1066 Comment
  CAS-BOT-BC182274  Garrya fremontii L. E. Smith 1913-5-28 310 Siskiyou Yreka Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  JEPS95666  Garrya fremontii Vernon H. Oswald and L. Ahart 1999-7-5 9802 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn.: T42N R7W Sect. 34, 3800 ft, oak woodland. Shrub at the base of a roadcut through decomposed mudstone. 1158 Comment
  UCR219535  Garrya fremontii R. F. Thorne 1969-8-2 63348 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak, trail to upper English Lake along Salmon River 1159 Comment
  HSC30576  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  HSC68456  Gaultheria ovatifolia Maralyn A. Renner 1980-7-4 1441 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  HSC19495  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-4 1879 Siskiyou S of S Sugar Lake 2104 Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  UCD77734  Gayophytum humile Robert E. Preston 2002-6-20 1832 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  UC878464  Gentiana calycosa Alice Eastwood 1912-8-30 2042 Siskiyou Mount Eddy Comment
  HSC60905  Gentiana calycosa Al Hobart Siskiyou Black Butte Comment
  RSA183726  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou On trail behind Black Mt., Marble Mountains. Comment
  RSA238871  Gentiana plurisetosa Frederick W. Oettinger 1967-8-5 242 Siskiyou North of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC123769  Gentianella amarella subsp. acuta Copeland 1903-9-6 s.n. (= no. 3849 of C.F. Baker's distribution) Siskiyou Mt. Eddy Comment
  SBBG16394  Geum aleppicum D. Myrick 1961-6-20 277 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UC60893  Geum macrophyllum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  HSC75190  Geum triflorum K. T. Stillman 1976-6-26 111 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  HSC68529  Gilia capitata Maralyn A. Renner 1980-6-24 1048 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC283868  Glyceria borealis Alice Eastwood 1912-7-25 1285 Siskiyou Sisson Comment
  CAS-BOT-BC282722  Glyceria elata Geo. D. Butler 1910-7-14 1781 Siskiyou Shackleford Creek 1219 Comment
  HSC19435  Goodyera oblongifolia J. O. Sawyer 1969-8-11 2004 Siskiyou Along S French Creek 1692 Comment
  UC4512  Goodyera oblongifolia W. H. Brewer 1862-9-9 1358 Siskiyou Upper Sacramento, between Camps 97 and 98 Upper Sacramento Comment
  HSC24600  Grayia spinosa R. C. Wunner 1965-6-13 158 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC18  Hackelia micrantha William J. Ferlatte 1966-6-22 91 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA238563  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  UC1560415  Hackelia setosa E. Joyal and D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp 1524 Comment
  RSA644033  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  HSC44849  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3988 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 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
  HSC98369  Hastingsia alba G. L. Clifton, Griswold 1979-6-28 6102 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS62093  Hastingsia alba W. L. Jepson 1937-7-30 18543 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains, headwaters Indian Creek, Poker Flat 1584 Comment
  RSA105445  Hastingsia alba Milo S. Baker 1955-7-26 13078 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  CAS-BOT-BC302427  Hazardia whitneyi Louis C. Wheeler 1934-8-5 3045 Siskiyou Klamath National Forest. Condrey Mt. 2164 Comment
  CAS-BOT-BC302429  Hazardia whitneyi Alice Eastwood 1912-8-30 2053 Siskiyou Mount Eddy Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  CAS-BOT-BC302457  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  RSA237440  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-8-24 623 Siskiyou Crapo Peak Ridge above Tom Taylor Cabin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC306354  Helenium L. E. Smith 1914-7-6 752 Siskiyou Cantara Comment
  CDA6452  Helenium autumnale T. C. Fuller 1963-8-27 11156 Siskiyou 0.5 mile east of the road to Etna, ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  CAS-BOT-BC306752  Helenium bigelovii Doris K. Kildale 1928-8-18 6471 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  HSC69358  Helenium bigelovii Maralyn A. Renner 1980-8-21 2581 Siskiyou Kidd Creek 2043 Comment
  UC585080  Helianthella californica subsp. shastensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1996 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur ofRainbow Bridge above Sulloway Creek) 1180 Comment
  CAS-BOT-BC314840  Helianthella californica var. shastensis L. E. Smith 1913-5-16 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC314844  Helianthella californica var. shastensis Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River 426 Comment
  POM55352  Helianthella californica var. shastensis H. M. Hall, E. B. Babcock 1903-06 4056 Siskiyou Near Sisson; Mt. Shasta. 1067 Comment
  CAS-BOT-BC305471  Helianthus annuus L. E. Smith 1914-9-9 756 Siskiyou Sisson Comment
  UCD132813  Helianthus annuus R. Tofsrud; J. M. Tucker 1948-8-2 1759 Siskiyou around 2 miles south of McCloud. Comment
  UCR24849  Helianthus bolanderi John C. Roos 1948-9-2 3977 Siskiyou Fort Jones 915 Comment
  HSC68505  Hemizonella minima Maralyn A. Renner 1980-6-22 921 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  OBI75226  Hemizonella minima David J. Keil, with Kathleen Keil and Sue Walker 2011-7-15 31058 Siskiyou Cascade Range. Near foot of Mount Shasta in Weed. 1146 Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  POM52319  Hemizonia pungens subsp. pungens Geo D. Butler 1910-8-18 1840 Siskiyou Shasta Valley. Comment
  UC618740  Heracleum lanatum W. Bridge Cooke 1938-7-15 11186 Siskiyou along middle of Bear Spring creek Bear Springs; Mt.Shasta, Bear Springs Comment
  SBBG6106  Hesperochiron pumilus H. and M. Dearing 1939-6-5 3553 Siskiyou E of McCloud 1066 Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  JEPS74414  Heterocodon rariflorum W. B. and V. G. Cooke 1974-8-21 49262 Siskiyou Howard; Mt. Shasta Comment
  UC164322  Heterocodon rariflorum Geo. D. Butler 1910-7-8 1662 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. 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
  CAS-BOT-BC312298  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  UC11339  Heuchera cylindrica var. ovalifolia Milo S. Baker 1893-6 Siskiyou near Medicine Lake 2743 Comment
  HSC91187  Heuchera merriamii Jennifer Whipple 1976-7-8 1361 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake. 2317 Comment
  JEPS105421  Heuchera merriamii Dean W. Taylor 1996-7-11 15778 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  JEPS74565  Heuchera merriamii W. J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge; Trinity Alps 2042 Comment
  RSA238313  Heuchera merriamii Frederick W. Oettinger 1967-8-17 278 Siskiyou Granite boulders on slope 1/2 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC420935  Heuchera micrantha var. diversifolia A. M. Vollmer; L. Beane 1951-6-2 50 Siskiyou Road betw. Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  CAS-BOT-BC420938  Heuchera micrantha var. diversifolia D. E. Breedlove 1962-6-11 3348 Siskiyou On moist bank of Canyon Creek with Pinus ponderosa and Salix so., abour 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC30651  Heuchera rubescens Frederick W. Oettinger 1969-9-4 1664 Siskiyou Marble Mtn. Wilderness Area, S side of Tobacco Lake Basin 1829 Comment
  UC1483555  Hieracium albiflorum John Palmer 1980-8-12 719 Siskiyou se of Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  POM33157  Hieracium albiflorum Geo D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek. Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  HSC69195  Hieracium horridum Maralyn A. Renner 1980-9-1 2692 Siskiyou Bear Mtn. 1936 Comment
  RSA211519  Hieracium horridum William J. Ferlatte 1967-8-20 1041 Siskiyou Caribou Mountain. 2470 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC312999  Hieracium triste G. J. Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC30308  Holcus lanatus William J. Ferlatte 1966-8-16 373 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  UC1409359  Holodiscus discolor Frederick W. Oettinger 1969-9-4 1667 Siskiyou s side of Tobacco Lake basin, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Tobacco Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC152366  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  CAS-BOT-BC152358  Holodiscus discolor var. discolor E. R. Drew 1916-6-1 s.n. Siskiyou Squaw Creek Ranger Station, Shasta Creek Comment
  CAS-BOT-BC150133  Holodiscus microphyllus var. glabrescens John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC150142  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-5 9337 a Siskiyou Lyons road, north boundary of Lava Beds National Monument Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  CAS-BOT-BC143943  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  UC545664  Horkelia daucifolia Alice Eastwood and John Thomas Howell 1934-4-20 1752 Siskiyou near Yreka (on Fort Jones Rd) Comment
  POM35294  Horkelia fusca subsp. parviflora E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  RSA211178  Horkelia fusca subsp. parviflora William J. Ferlatte 1966-6-22 69 Siskiyou Big Flat wooded area near public camp. 1524 Comment
  UC221640  Horkelia tridentata subsp. tridentata H. E. Brown Jul 1 1897-Jul 15 1897 479 Siskiyou n side Mt. Shasta 1524 Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  SEINET957334  Hosackia crassifolia G. D. Butler 1910-1 1452 Siskiyou Lang Valley. Comment
  SBBG25908  Hosackia oblongifolia var. oblongifolia D. Myrick 1966-8-10 1545 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  HSC22099  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1969-7-16 1151 Siskiyou W of Waterdog Lake 2073 Comment
  JEPS80499  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area 1792 Comment
  HSC29246  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  UCD119488  Hydrophyllum occidentale Sandra Holloway 1963-5-19 57 Siskiyou 2 1/2 miles west of Hawkinsville. 1066 Comment
  HSC69225  Hypericum anagalloides Maralyn A. Renner 1980-8-31 2619 Siskiyou Twin Valley. 1494 Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  SEINET10472172  Hypericum anagalloides Mary Susan Taylor 1980-7-8 Taylor 3100 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  JEPS66838  Hypericum perforatum W. L. Kleaver Siskiyou Yreka Comment
  UCSB10258  Hypericum perforatum Myrick, Donald 1964-7-25 Siskiyou near Shasta Royal Inn; Dunsmuir 762 Comment
  RSA30670  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  CHSC52811  Iliamna bakeri L. R. Heckard; L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U.S. 97, 0.7 mile south of Bolam road junction. Comment
  RSA25624  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  UC643293  Ipomopsis congesta W. Bridge Cooke 1940-6-27 15202 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  HSC73993  Iris tenuissima Gail Newton 1980-6-20 522 Siskiyou Near Bald Mtn. 1326 Comment
  JEPS82687  Iris tenuissima subsp. tenuissima Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km. s.w. Mt. Shasta city (below Castle Lake) 1676 Comment
  CDA36766  Isatis tinctoria D. B. Joley 1976-5-13 6 Siskiyou Klamath River, north of Yreka. 0 Comment
  CDA38006  Isatis tinctoria CDFA Staff s.n Siskiyou Fort Jones. 0 Comment
  JEPS13902  Isatis tinctoria Geo. D. Butler 1909-6-13 804 Siskiyou Scott River Comment
  UC205420  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt. Eddy Comment
  UC618744  Juncus balticus unknown 1938-9-8 11660 Siskiyou Squaw Creek Meadows lower, in the largest meadow Mount Shasta, Squaw Creek Meadows Comment
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  UC1573177  Juncus covillei Dean Wm. Taylor with Glenn Clifton 1987-8-5 9223 Siskiyou Tate Creek, at crossing of Forest Road 36N06, McCloud River watershed McCloud River 1484 Comment
  RSA233688  Juncus drummondii Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38953 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238902  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Near the outlet of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  JEPS66976  Juncus ensifolius Geo. D. Butler 1908-8-28 80 Siskiyou Oro Fino Comment
  JEPS84035  Juncus ensifolius L. R. Heckard with J. Hickman et al. 1986-7-17 6529 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  RSA211362  Juncus ensifolius William J. Ferlatte 1967-8-17 950 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  UCD141524  Juncus ensifolius A. A. Heller 1920-8-11 13492 Siskiyou Sisson. 1079 Comment
  JEPS100713  Juncus hemiendytus var. hemiendytus Dean W. Taylor 1991-6-12 11898 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  JEPS102935  Juncus howellii L. P. Janeway 2002-7-12 7630 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  CAS-BOT-BC127620  Juncus mertensianus H. A. Thomas; J. H. Thomas 1954-7-24 4518 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  CAS-BOT-BC127624  Juncus mertensianus Jennifer Whipple 1976-7-1 1243 Siskiyou Mount Eddy. Klamath Mountains. Near Durney Lake. 2194 Comment
  JEPS63807  Juncus mexicanus B. C. Goldsmith 1916-9-29 31 Siskiyou Medicine Lake Mt. Hoffman 2042 Comment
  RSA238909  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1288 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  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
  CHSC88381  Juncus trilocularis Jenny Marr 1993-7-1 186 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC81219  Juniperus occidentalis C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  CAS-BOT-BC81244  Juniperus occidentalis C. Etienne 1969-12-27 s.n. Siskiyou 15 mi. N of Weed, Highway 97 1767 Comment
  HSC37540  Juniperus occidentalis J. P. Smith 1974-5-27 7603 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC202649  Juniperus occidentalis Geo. D. Butler 1908-8-16 227 Siskiyou dry hills near Yreka Comment
  CHSC30111  Kalmia polifolia subsp. microphylla M. S. Taylor 1980-6-4 2789 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  POM43272  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek. Comment
  CHSC1617  Kelloggia galioides V. Holt 1932-7-25 Siskiyou On Mt. Shasta. 1463 Comment
  HSC90596  Kelloggia galioides Jennifer Whipple 1976-7-23 1522 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  JEPS12484  Kelloggia galioides Duncan Dunning 1921-7-18 Siskiyou 5-6 mi w Medicine Lake (extreme e Siskiyou County); Pumice Stone Mountain Comment
  SEINET10500753  Kelloggia galioides Mary Merello 1993-6-25 Merello 725 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC1023834  Kelloggia galioides Douglas Barbe 1955-7-26 273 Siskiyou n slope Scott Mtn.; Klamath Mountains 1828 Comment
  UC625520  Kelloggia galioides Frank W. Gould 1938-6-27 477 Siskiyou 3 mi n Mt. Shasta (town) (near the highway) 1082 Comment
  JEPS94262  Koeleria macrantha Vernon H. Oswald and Lowell Ahart 1998-6-11 9194 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road, ne of Weed, Shasta National Forest plantation on w side of Highway 97 Weed; Shasta National Forest, Highway 97 1066 Comment
  SEINET10606857  Koeleria macrantha Louis C. Wheeler 1935-6-30 Wheeler 3630 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  CAS-BOT-BC499654  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  RSA0084174  Kopsiopsis strobilacea Frederick W. Oettinger 1967-8-21 299 Siskiyou Salmon Mountains: The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Appox. 20 yards S. off the Tom Taylor Cabin - Pine Lake trail just after one leaves the first patch of Red Fir forest (heading towards Pine Lake). 2073 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
  CAS-BOT-BC340365  Kyhosia bolanderi Doris K. Kildale 1928-8-18 6488 Siskiyou Head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC340368  Kyhosia bolanderi Wm. Bridge Cooke 1940-8-2 15408 Siskiyou Mount Shasta. Throughout the lower Wagon Camp meadow Comment
  CAS-BOT-BC340377  Kyhosia bolanderi John Thomas Howell 1939-8-9 15207 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SEINET3148086  Kyhosia bolanderi C. G. Pringle 1882-9-7 sn Siskiyou About Mt. Shasta Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS24813  Lagophylla ramosissima Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6824 Siskiyou 7 mi e of Callahan 1127 Comment
  UC726454  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's Comment
  POM209650  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou [Town of] Weed. Comment
  SEINET5327254  Lathyrus graminifolius G. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1067 Comment
  POM17239  Lathyrus nevadensis subsp. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest Foothills. 1524 Comment
  UCD106392  Lathyrus nevadensis var. nevadensis Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-9 7292 Siskiyou location unknown. 1536 Comment
  HSC42971  Lathyrus polyphyllus J. O. Sawyer, Ken Stillman 1976-5-29 2745 Siskiyou Along Specimen Creek 915 Comment
  POM253569  Lathyrus polyphyllus C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5209 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  SDSU1152  Leersia oryzoides D. F. Howe 1962-8-5 3397 Siskiyou Bank of Klamouth River, 58.8 miles east of Happy Camp on #96. 610 Comment
  JEPS117619  Lemna gibba Lowell Ahart, John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) sou 716 Comment
  UC375300  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  CHSC38094  Lepidium draba R. E. Preston 1983-7-17 400 Siskiyou At side of Hiram Page Road, across from grave marker, Yreka. 829 Comment
  HSC47621  Lepidium perfoliatum J. P. Smith 1977-5-15 9068 Siskiyou Yreka Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  UCD118777  Leptosiphon harknessii J. M. Tucker 1974-7-28 4328 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  POM215941  Leptosiphon harknessii L. C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts 1677 Comment
  RSA237969  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC29271  Leptosiphon nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1402 Comment
  RSA75627  Lesquerella occidentalis Albert M. Vollmer, L. Beane 1951-5-31 24 Siskiyou Scott Mountain Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  CDA14217  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Intersection of Hwy 3 & Callahan/Gazelle Rd., Comment
  JEPS20614  Lessingia nemaclada Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Region of the Upper Sacramento Comment
  JEPS24809  Lessingia nemaclada Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6818 Siskiyou 7 mi e Callahan 1127 Comment
  POM56235  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley 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
  RSA659527  Leucothoe davisiae Gary D. Wallace 1990-7-1 2954 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  RSA760933  Leucothoe davisiae R. F. Thorne, Frederick W. Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2073 Comment
  SEINET2030161 Image available Leucothoe davisiae Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lakes Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  RSA96728  Lewisia cotyledon var. howellii Lee W. Lenz 1953-5-17 18316 Siskiyou Klamath River, Somes Bar 180 Comment
  UCR259343  Lewisia kelloggii Glenn L. Clifton 1997-6-27 35538 Siskiyou Soapstone Gulch [c. 7.9 miles WSW of Dunsmuir] 1991 Comment
  CHSC99714  Lewisia leeana L. P. Janeway 2008-7-24 9468 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. Plants especially a little back from the edge of the cliff - on the rocky bench. 1975 Comment
  UC635337  Lewisia leeana Dorothy Tebbe 1930-7-22 13 Siskiyou Crater Lake, Mount Eddy Mount Eddy, Crater Lake Comment
  UCD19278  Lewisia leeana Julie Knorr 1980-7-15 65 Siskiyou 1 mi. up Houston Creek Trail above road, rocky outcrop. 1950 Comment
  CAS-BOT-BC444078  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Upper meadows of Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC444085  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC444088  Lewisia leeana Geo. D. Butler No date on label 1687 Siskiyou Unspecified Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC77041  Lewisia triphylla K. T. Stillman 1976-6-25 24 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC162636  Lewisia triphylla Harley P. Chandler June, 1901 1607 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges 2133 Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  HSC22239  Ligusticum californicum J. O. Sawyer 1969-8-18 1974 Siskiyou S of S Sugar Lake 2104 Comment
  HSC410  Ligusticum californicum William J. Ferlatte 1967-8-23 1098 Siskiyou Head of Kidd Creek 2256 Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  HSC22275  Lilium kelleyanum J. O. Sawyer 1969-8-4 1888 Siskiyou Above S Sugar Lake 2043 Comment
  SEINET8480730  Lilium pardalinum G. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley. Comment
  CHSC2292  Lilium pardalinum subsp. pardalinum V. Holt 1943-8-7 Siskiyou Marble Mountains. 1828 Comment
  JEPS121399  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou I-5 southbound, near exit 730 for central Dunsmuir Comment
  UC106763  Linanthus harknessii K. Brandegee Jul 1887 Siskiyou Siskiyou Mountains Comment
  CDA6301  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  UCD110590  Linum lewisii Wm E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  UC455177  Listera convallarioides I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (Tollroad) Comment
  SACT002879  Lithocarpus densiflorus Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Comment
  JEPS47644  Lithophragma glabrum Geo. D. Butler 1909-4-13 652 Siskiyou near Yreka; near Yreka Comment
  HSC62131  Lithophragma heterophyllum Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  CDA40609  Lithospermum ruderale D. Janssen & F. D. Horn 1978-5-15 s.n. Siskiyou West of Hotlum Road, northeast of Weed. 0 Comment
  CHSC91243  Lolium multiflorum Lowell Ahart; John Dittes 2005-6-10 12123 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
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS16108  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  HSC91133  Lomatium engelmannii Jennifer Whipple 1976-7-14 1470 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  UC166105  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou near Yreka Comment
  HSC4900  Lonicera conjugialis J. O. Sawyer 1968-7-10 460 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC36709  Lonicera hispidula var. vacillans Brent Whitely 1975-7-5 145 Siskiyou 213 Comment
  HSC27682  Lonicera hispidula var. vacillans Carl W. Mize 1972-6-10 45 Siskiyou N Slope. 762 Comment
  RSA537277  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-18 4602 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  JEPS107959  Lotus denticulatus Lowell Ahart, John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107490  Lotus humistratus Lowell Ahart, John Dittes 2005-6-10 12115 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS55517  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou along road to Goosenest Mtn. Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  RSA406231  Lotus oblongifolius var. nevadensis Bonnie C. Templeton 1957-6-21 7749 Siskiyou Near the summit of Mt. Scott. Comment
  CAS-BOT-BC94432  Lotus oblongifolius var. oblongifolius R. C. Wenk 2005-7-18 268 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1/2 mile E of Hwy 3 1900 Comment
  JEPS95289  Lotus pinnatus Vernon H. Oswald and L. Ahart 1994-7-11 6401 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir 1783 Comment
  UC144153  Lotus purshianus var. purshianus A. A. Heller 1905-6-8 8001 Siskiyou Yreka Comment
  RSA211154  Lotus unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail, densely wooded canyon; Trinity Alps. 1677 Comment
  RSA505592  Lotus unifoliolatus Barbara J. Ertter 1987-7-26 7324 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  HSC43143  Lotus unifoliolatus var. unifoliolatus Ken Stillman 1976-8-24 420 Siskiyou E and N slopes of Williams Point 366 Comment
  CHSC100001  Luetkea pectinata L. P. Janeway 2008-7-26 9503 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. 1859 Comment
  CHSC99999  Luetkea pectinata L. P. Janeway 2008-7-25 9497 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. Steep north-northeast sloping bowl of rocky soil and small outcrops; mostly open in somewhat stabilized area with partial shade. 1834 Comment
  UC1409366  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou se corner Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  HSC29123  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NE of Diamond Lake 2082 Comment
  LA205033  Lupinus albicaulis Wm. Bridge Cooke; 1940-7-12 15329 Siskiyou Memorial Highway near the Mt. Shasta High School 1097 Comment
  SEINET10544018  Lupinus albicaulis subsp. shastensis William B. Cooke 1938-7-29 Cooke 11388 Siskiyou Mt. Shasta, chaparral 1219 Comment
  SEINET10832926  Lupinus albicaulis subsp. shastensis Katherine L. Morris 1973-5-25 Morris 272 A Siskiyou 20.7 miles e of mccloud on hwy 89 in an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  SEINET5766877 Image available Lupinus albicaulis var. shastensis A. A. Heller 1915-1 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  HSC42148  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  CAS-BOT-BC195958  Lupinus albifrons var. albifrons Lewis S. Rose 1945-6-22 45173 Siskiyou Beaver Creek & Klamath River 548 Comment
  CAS-BOT-BC195966  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47205 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  CAS-BOT-BC195955  Lupinus albifrons var. albifrons C. F. Rose 1931-5-18 s.n. Siskiyou Near Redding Comment
  CAS-BOT-BC196313  Lupinus albifrons var. flumineus E. A. McGregor 1922-9-30 s.n. Siskiyou Sisson, near depot Comment
  SEINET5766850 Image available Lupinus albifrons var. flumineus D. B. Dunn, B. J. Cox 1971-1 17937 Siskiyou 9 mi N of Weed, US 97 at Whitney Creek 1250 Comment
  HSC2252  Lupinus andersonii Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mtn. Comment
  JEPS104846  Lupinus andersonii Dean W. Taylor 1996-6-28 15753 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  RSA104556  Lupinus andersonii var. andersonii Leland S. Smith 1913-5-4 62032 Siskiyou Hornbrook Comment
  SD61048  Lupinus argenteus Darley F. Howe 1964-8-5 3936 Siskiyou 3 miles south of Dorris on Hwy 97 1219 Comment
  RSA178639  Lupinus argenteus var. argenteus A. A. Heller 1928-6-9 14607 Siskiyou Near the creamery at Montague. Comment
  JEPS117905  Lupinus breweri var. breweri L. P. Janeway 2008-7-23 9480 Siskiyou crest of mountain 2.1 air km northeast of Condrey Mountain Siskiyou Mountains; Klamatha Ranges 2115 Comment
  HSC42168  Lupinus croceus J. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mtn. 2195 Comment
  NY15837  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  SD125500  Lupinus klamathensis Melvin L. Conrad, D. B. Dunn, LeDoux 1973-6-2 6971 Siskiyou 1.5 miles west of the junction of Hwy 263 & Hwy 96 on Hwy 96, on south-facing slope of Klamath River Valley 730 Comment
  POM24889  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  UC725978 Image available Lupinus lapidicola A. A. Heller 1919-7-9 13422 Siskiyou long e-w ridge Mt. Eddy; ; Mt. Eddy, Siskiyou Co. 2438 Comment
  HSC75194  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-7-7 165 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  RSA32903  Lupinus latifolius subsp. viridifolius A. A. Heller 1928-6-9 14601 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UC146909  Lupinus latifolius var. viridifolius Harley P. Chandler June, 1901 1710 Siskiyou near Marble Mountain (Shackleford Canyon, ridges and meadows); North Coast Ranges, nr Marble Mountain, Shackleford Canyon 1828 Comment
  SEINET7042827 Image available Lupinus latifolius var. viridifolius 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
  UC618893  Lupinus lepidus var. lobbii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mount Shasta; Mount Shasta, Wagon Camp-Horse Camp Trail Comment
  UC904774  Lupinus lepidus var. sellulus W. Bridge Cooke 1949-8-26 25674 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  JEPS74336  Lupinus luteolus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 a Siskiyou about 4 air miles N of: Shasta River Bridge Yreka Comment
  SEINET10488769  Lupinus luteolus James P. Smith, Steven B. Selva 1970-8-9 Smith, Jr. 4576 Siskiyou T.46n, r.2w, sec.14. Disturbed roadside in potato fields w of macdoel. Comment
  SEINET11071976 Image available Lupinus luteolus A. A. Heller 1905-6-8 7990 Siskiyou Yreka Comment
  CHSC86647  Lupinus microcarpus Jenny Marr 1993-7-1 30 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 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
  UC1303175  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou near the town of Mt. Shasta Spring Hill Comment
  UCSB17478  Lupinus onustus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  SBBG47512  Lupinus polyphyllus var. burkei M. B. Dunkle 1945-1 Siskiyou Dads Pocket, Marble Mtns Comment
  UC454946  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  HSC92407  Lupinus sellulus subsp. ursinus Jennifer Whipple 1978-10-6 2396 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  JEPS66700  Luzula comosa var. laxa B. C. Goldsmith 1916-9-29 33 Siskiyou Medicine Lake Comment
  UC1265318  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou along ridge English Peak trail (High Lake Basins in the vicinity of English Peak, Salmon Mountains, western Siskiyou County, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  JEPS96983  Luzula parviflora Dean W. Taylor 1999-8-12 17304 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  JEPS101272  Luzula subcongesta Dean W. Taylor 1975-8-14 5358 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte 2743 Comment
  HSC14223  Lycopus americanus L. C. Wheeler 1934-9-19 3283 Siskiyou Mt. Diablo Meridian, Walker, Klamath River, Siskiyou Mtns. 518 Comment
  CDA40731  Lycopus asper H. Christensen 1964-7-21 s.n. Siskiyou East side of Lower Sump, Modoc Wildlife Refuge. 0 Comment
  CDA5122  Lythrum salicaria J. R. Keck Jr., J. Massey 1985-8-7 PDR# 330138 Siskiyou Tulelake Wildlife Refuge. 0 Comment
  SEINET2121891  Machaeranthera canescens M. L. Carson 1968-12-8 1295 Siskiyou Scott Mountains, road to Callahan 10.2 mi W of Interstate 5 at Gazelle, 11 mi N of Weed. High road cut 1.15 mi E of top of mountain and a division of roads 1400 Comment
  RSA142624  Machaeranthera canescens var. shastensis P. A. Munz 1960-8-22 24183 Siskiyou Panther Meadows, Mt. Shasta 2530 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  CAS-BOT-BC342672  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  HSC27767  Madia elegans J. P. Smith, J. O. Sawyer 1972-9-14 5795 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  CAS-BOT-BC344002  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou Junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River) Comment
  UCD135763  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River). Comment
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  HSC67935  Madia exigua J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  UCD134273  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  CAS-BOT-BC343443  Madia gracilis Carl B. Wolf 1934-7-6 5981 Siskiyou SW. slope of Mt. Shasta. 1/4 mi. E. of Mt. Shasta City 1097 Comment
  SBBG30618  Madia gracilis D. Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk 1524 Comment
  POM362185  Madia gracilis subsp. gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  CAS-BOT-BC512767  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-23 1337 Siskiyou Cantara Comment
  POM109347  Maianthemum racemosum subsp. amplexicaule Geo D. Butler 1910-6-19 1587 Siskiyou Goosenest Mountain 1524 Comment
  RSA68871  Maianthemum racemosum subsp. amplexicaule A. E. Culbertson 1943-6-19 85 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC18918  Maianthemum stellatum J. O. Sawyer 1968-6-25 324 Siskiyou Along Horse Range Creek 1829 Comment
  HSC62003  Maianthemum stellatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  RSA605351  Maianthemum stellatum Louis C. Wheeler 1959-7-25 7605 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UCD78003  Maianthemum stellatum Robert E. Preston 2001-6-30 1664 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  RSA239036  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou North side of Tom Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1738814  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-5 9239 Siskiyou Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  HSC49216  Melica harfordii J. O. Sawyer, K. T. Stillman Jul 1977 2796 Siskiyou Mid slopes and ridges E of the Little N Fork Trail. 732 Comment
  HSC69248  Melica subulata Maralyn A. Renner 1980-7-24 2064 Siskiyou Lily Pad Lake 1768 Comment
  HSC15011  Melilotus albus R. C. Wunner 1965-7-16 396 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  POM211182  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  CHSC75728  Mentzelia albicaulis Vernon H. Oswald; Lowell Ahart 1999-7-5 9798 Siskiyou Gazell-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  SEINET8880644 Image available Mertensia ciliata Unknown 1991-5-30 Siskiyou Klamath National Forest; West branch, a Forest Service campground; 2200 feet. Comment
  CAS-BOT-BC428542  Micranthes aprica Harley P. Chandler 1901-6-1 1675 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC428735  Micranthes californica John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53411 Siskiyou Fort Jones 853 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
  RSA801991  Microseris nutans Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 1006 Comment
  HSC36931  Microsteris gracilis J. P. Smith 1974-5-26 7559 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC36956  Microsteris gracilis J. P. Smith 1974-5-26 7567 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC61899  Microsteris gracilis Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  POM65022  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  JEPS25060  Mimulus alsinoides Joseph P. Tracy 1939-4-29 16272 Siskiyou Somes Bar 182 Comment
  RSA119355  Mimulus breweri S. S. Tillett 1956-7-9 638 Siskiyou E. of Scott Mtn., s. end of small lake. Siskiyou -Trinity Co. Line. 8 mi. se. of Callahan 1829 Comment
  RSA264957  Mimulus breweri Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  HSC76733  Mimulus guttatus K. T. Stillman 1976-7-14 240 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA237554  Mimulus guttatus Frederick W. Oettinger 1969-8-18 1426 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS8209  Mimulus layneae W. L. Jepson 1914-8-14 6169 Siskiyou Dunsmuir 670 Comment
  HSC76658  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mtn. Wilderness Area Comment
  UC196161  Mimulus moniliformis A. A. Heller 1914-8-25 11714 Siskiyou opposite Black Butte (near Deetz station) 1158 Comment
  RSA68915  Mimulus moschatus A. E. Culbertson 1943-8-3 43 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
  SFV3392  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  RSA50146  Mimulus moschatus var. moniliformis E. K. Balls 1949-7-9 13935 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. Comment
  RSA529964  Mimulus nanus var. jepsonii D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9020 Siskiyou S end of Saddle Hills 1646 Comment
  RSA535617  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1300 Comment
  JEPS84018  Mimulus nanus var. nanus L. R. Heckard with J. Hickman et al. 1986-7-17 6502 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  RSA12622  Mimulus nanus var. nanus Carl B. Wolf 1934-7-5 5963 Siskiyou 3.6 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  RSA161100  Mimulus nanus var. nanus Peter H. Raven 1962-5-30 17902 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  JEPS11009  Mimulus primuloides F. W. Morse July, 1886 Siskiyou near Mt. Shasta Comment
  UC718167  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 1/2 mi s Wagon Camp (s slope of mt.); Mt. Shasta 1524 Comment
  HSC91001  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-8-20 1729 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  RSA102726  Mimulus primuloides var. linearifolius G. Ledyard Stebbins, P. Dansereau, Calvin McMillan, K. Narayan 1949-8-9 4023 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles W. of Weed. 1220 Comment
  SEINET10756245 Image available Mimulus primuloides var. linearifolius A. Arthur Heller 1915-8-26 Heller 12224 Siskiyou Heather meadow near the head of Wagon creek canon, Mt. Eddy. Pinus monticola is the only tree on the adjacent slopes. 2591 Comment
  JEPS4670  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below (w of) Bartles; McCloud River Comment
  RSA211512  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin, Sawtooth Ridge. 2226 Comment
  CAS-BOT-BC388888  Minuartia douglasii Albert M. Vollmer; Lawrence Beane 1951-5-31 20 Siskiyou Scott Mountain Comment
  CAS-BOT-BC388885  Minuartia douglasii John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53439 Siskiyou Slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CHSC106841  Minuartia nuttallii subsp. gregaria Barbara Ertter 1990-7-14 9308 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR41N53 ca 1 mi N of Morgan Meadows. 1676 Comment
  HSC81672  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1980-7-17 6081 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS51480  Minuartia nuttallii subsp. gregaria W. L. Jepson Jul 17 1902-Jul 22 1902 2065 Siskiyou Devil's Backbone; w Siskiyou 1828 Comment
  RSA666373  Minuartia nuttallii subsp. gregaria Barbara Ertter 1990-7-14 9308 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
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  POM258762  Minuartia nuttallii subsp. gregaria C. L. Hitchcock, J. S. Martin 1939-7-7 5279 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  CAS-BOT-BC181111  Minuartia nuttallii var. gregaria Ira L. Wiggins 1955-7-29 13584 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CAS-BOT-BC7297  Minuartia stolonifera T. W. Nelson; James L. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 miles N of Scott Mountain Pass Comment
  CAS-BOT-BC433062  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  CAS-BOT-BC433070  Mitella trifida Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Blk. Mt. Comment
  CAS-BOT-BC433074  Mitella trifida Doris K. Kildale 1928-7-2 5413 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  UC1408866  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou Tom's Lake Basin Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (n side, w Siskiyou Co.) 2103 Comment
  HSC75246  Moehringia macrophylla J. P. Smith 1973-5-5 6493 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC43060  Mollugo verticillata Ken Stillman 1976-8-24 429 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC69342  Monardella odoratissima Maralyn A. Renner 1980-8-21 2540 Siskiyou Kidd Creek 2043 Comment
  UCD125179  Monardella odoratissima Dr. Eckert 1934-8-2 s.n. Siskiyou exact location unknown. 1828 Comment
  UC164002  Monardella odoratissima subsp. glauca Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mountain 1219 Comment
  UC2035947  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  CAS-BOT-BC222163  Monardella odoratissima subsp. pallida John Thomas Howell 1939-8-2 14933 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1408769  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1968-8-11 475 Siskiyou 0.1 mi south southeast of Tom Taylor Cabin (High Lakes Basin in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  CDA40925  Monardella odoratissima subsp. pallida Jim Jokerst 1992-7-3 3431 Siskiyou Camp above Tamarack Flat, northwest of Mount Eddy. 0 Comment
  CAS-BOT-BC220264  Monardella sheltonii Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  SEINET10582373  Monardella siskiyouensis A. Graff 1993-7-24 Graff 356 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  SEINET10498958  Monardella villosa subsp. subserrata Morris 1973-6-2 MORRIS 362 Siskiyou Jct of shasta and klamath rivers on hwy 263 Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  UC524275  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou Redshale Mountain east of Medicine Lake 2133 Comment
  JEPS94256  Montia dichotoma Vernon H. Oswald and Lowell Ahart 1998-6-11 9220 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC444876  Montia fontana Geo. D. Butler 1909-3-26 679 Siskiyou Oro Fino Comment
  CAS-BOT-BC262614  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the south fork of the Sacramento River 1371 Comment
  CAS-BOT-BC267044  Muhlenbergia filiformis John Thomas Howell 1939-8-9 15211 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  UC204922  Muhlenbergia filiformis unknown 11704 Siskiyou near Deetz Station (6 mi n of Sisson) Comment
  CAS-BOT-BC267040  Muhlenbergia filiformis Copeland 1903-9-5 s.n. Siskiyou Igerna Comment
  CHSC69100  Muhlenbergia jonesii Vernon Oswald; Lowell Ahart 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  SEINET515840  Muhlenbergia jonesii Vernon Oswald 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  CHSC30763  Nama lobbii M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3256 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, in Yellow Pine plantation, ca. 17 mi e of McCloud. Comment
  CHSC66541  Nama lobbii Vernon H. Oswald 1996-7-12 8001 Siskiyou Everitt Memorial Hwy.(A10) E of Mt. Shasta city between mileposts 6 and 7. 1798 Comment
  RSA237899  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Boggy meadow west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA237995  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC30636  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  UC711846  Navarretia intertexta subsp. propinqua Roxana S. Ferris and Laura Lorraine 1941-8-11 10500 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  CAS-BOT-BC219533  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  JEPS87826  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1994-8-1 6445 Siskiyou near Weed (just s of Stewart Springs Road, Old Hwy 99); Old Hwy 99 923 Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  RSA426669  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  POM211189  Nicotiana bigelovii Louis C. Wheeler 1934-9-17 3273 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt Diablo Mer) 610 Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC92178  Nothocalais alpestris Jennifer Whipple 1976-7-2 1286 Siskiyou Dale Creek drainage on the N face of Mount Eddy, ridge between Dale Creek and Deadfall drainage 2195 Comment
  HSC27252  Nothocalais troximoides J. P. Smith, J. O. Sawyer 1972-5-7 5284 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  RSA59501  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 miles NW Schonchin Butte, lava Beds National Monument. Comment
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Sep 21 2009
  UC707026  Nothocalais troximoides G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3255 Siskiyou 5 mi w Gazelle Comment
  CAS-BOT-BC210244  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Marble Mountain Wilderness. Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake 1990 Comment
  JEPS83878  Nothochelone nemorosa Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  UCD110191  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. 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
  UCD134659  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  SEINET8245378  Oreostemma alpigenum A. A. Heller 1915-8-26 12225 Siskiyou Heather meadow near the head of Wagon creek canyon; Mt. Eddy. 2591 Comment
  CAS-BOT-BC355595  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  CAS-BOT-BC355598  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  JEPS20246  Orobanche uniflora subsp. occidentalis W. R. Ernst 1958-4-7 242 Siskiyou Above the Shasta River Bridge #2-13, along Highway 99, 2 miles south of the Klamath River Road. Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  JEPS76186  Orthocarpus cuspidatus subsp. copelandii T. I. Chuang with Fei-Mei Chuang 1977-7-22 7636 Siskiyou 3/4 mi from Deadfall Meadow to Deadfall Lake (Mt. Eddy); , fr Deadfall Meadow to Deadfall Lake 2042 Comment
  HSC20900  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou Near summit of Scott Mtn. 1583 Comment
  RSA602926  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  SFV3406  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Marble Mountain Wilderness Area. Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge. 1860 Comment
  UC164259  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UC1222794  Orthocarpus imbricatus Joseph P. Tracy 1950-7-20 19207 Siskiyou about 4 mi se Elk Valley (Del Norte Co.) (Flint Valley); , se of Elk Valley 1432 Comment
  HSC29190  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Marble Mountain Wilderness Area, W of English Lake 1761 Comment
  RSA459007  Osmorhiza berteroi M. B. Dunkle 1944-7-15 9100 Siskiyou Siskiyou National Forest. Comment
  UCD111336  Oxalis trilliifolia J. M. Tucker 1974-7-28 4331 Siskiyou 1 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  UCD77896  Oxyria digyna Robert E. Preston 2002-7-14 1934 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  CAS-BOT-BC316752  Packera cana William Bridge Cooke 1939-8-10 13874 Siskiyou Scattered in a small colony along the west bank of Mud Creek Canyon. Upper Hudsonian Zone 2895 Comment
  SD46776  Packera streptanthifolia E. K. Balls, L. W. Lenz 1956-6-18 21722 Siskiyou 5.7 miles southeast of Gazelle, US Highway 99, Yreka to Dunsmuir 885 Comment
  UC618683  Paeonia brownii W. Bridge Cooke 1938-7-15 11261 Siskiyou Wagon Camp meaows Mount Shasta, Wagon Camp (upper end and around sides) Comment
  HSC61727  Paeonia brownii Ruby Van Deventer 18 Aug [year missing] Siskiyou Perk's Pasture Comment
  UCD88513  Panicum acuminatum var. fasciculatum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89. 1310 Comment
  CHSC75733  Papaver rhoeas Vernon Oswald; Lowell Ahart 1999-7-5 9793 Siskiyou Gazelle-Callahan Hwy. 0.5 mi west of Gazelle, agricultural area. 853 Comment
  JEPS24797  Parnassia californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6806 Siskiyou at sw end of Castle Lake, headwaters of Sacramento River Sacramento River; Castle Lake, Sacramento River 1661 Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  JEPS121607  Parnassia palustris Danielle Roach 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SSE aspect, over gabbro. China Mountain quadrangle. CLS_1C Comment
  UC637039  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou near Hamburg (south bank of Klamath River between McKinney and Parkerhouse creeks); s bank of Klamath River 609 Comment
  CHSC95120  Paxistima myrsinites L. P. Janeway 2006-7-2 8742 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
  RSA237261  Paxistima myrsinites Frederick W. Oettinger 1968-8-24 626 Siskiyou By New York Flumes about 10 min. down-stream from Tom's Lower Pond; Tom's Lake Basin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC61045  Paxistima myrsinites W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mt. Shasta, Sisson Comment
  UC869933  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou near Spirit Lake; Marble Mts. Comment
  UCSB25456  Paxistima myrsinites McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  POM72145  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  CAS-BOT-BC266635  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  CAS-BOT-BC266638  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6573 Siskiyou Hancock Lake, on trail to Marble Mountains 2133 Comment
  HSC688  Pedicularis contorta William J. Ferlatte 1967-8-20 1064 Siskiyou Caribou Basin 1982 Comment
  POM43422  Pedicularis flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Upper Campbell Lake, Shackleford Creek. 1524 Comment
  UC27322  Pedicularis groenlandica Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  JEPS3363  Pedicularis howellii W. L. Jepson 1907-7-10 2876 Siskiyou Kelsey Trail near Preston Peak (Onion Patch) 1828 Comment
  JEPS84020  Pedicularis howellii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6427 Siskiyou 5 mi n of the town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  UC886715  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3022 Siskiyou head Jaynes Canyon; Siskiyou Mountains 2072 Comment
  UCR131623  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Siskiyou Mountains, Hungry Creek 1280 Comment
  CHSC118024  Pedicularis racemosa var. racemosa K. M Meyer; A. Townesmith 2007-7-31 181 Siskiyou Shasta Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. Coniferous forest, steep rocky slope, small waterfall. 1607 Comment
  UC705509  Pellaea brachyptera Marion Ownbey and Fred G. Meyer 1940-7-6 2198 Siskiyou near summit Cayenne Ridge (s side Marble Mt); Marble Mt Comment
  UC371158  Pellaea breweri G. D. Butler 1908-8-8 240 Siskiyou Marble Valley 1676 Comment
  RSA0037167  Penstemon John F. Emmel 1993-7-25 1275 Siskiyou Curtis Meadows, along McCloud River, SE of Bartle. 1207 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  RSA12502  Penstemon anguineus Carl B. Wolf 1934-7-4 5934 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13 mi from Horse Creek Bridge on Klamath River. 1372 Comment
  SBBG30580  Penstemon anguineus D. Myrick 1968-6-24 2006 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 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
  UC1483456  Penstemon anguineus John Palmer 1980-7-23 1922 Siskiyou on w side of Upper Devils Peak Klamath National Forest, Seiad Valley Quad., Upper Devils Pk (Pacific Crest Trail) 1767 Comment
  UCR37818  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS84306  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6404 Siskiyou ca 5 mi n of the town Seiad Valley; Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  UC1629928 Image available Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  CAS-BOT-BC265364  Penstemon davidsonii var. davidsonii H. M. Hall 1902-9-7 s.n. Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC265372  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1931-6-24 6806 Siskiyou Near summit of ridge between Modoc Lava Beds and Medicine Lake Comment
  NY590160  Penstemon davidsonii var. davidsonii D. D. Keck 1927-8-17 1310 Siskiyou Horse Camp, on south side of Mount Shasta. Timberline here. 2470 Comment
  CAS-BOT-BC265382  Penstemon davidsonii var. davidsonii Ella Dales Cantelow 1940-6-2 4483 Siskiyou 9.4 miles W Indian Wells Ranger Station Comment
  HSC19139  Penstemon deustus J. O. Sawyer 1969-6-13 1110 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC598541  Penstemon deustus John Bright 1936-5-5 13309 Siskiyou on rocky slopes near Hornbrook Comment
  UC614856  Penstemon deustus var. deustus Beryl O. Schreiber 1932-7-18 446 Siskiyou road nw of Weed Comment
  CHSC49026  Penstemon deustus var. pedicellatus Vernon Oswald 1986-5-29 2077 Siskiyou Hwy 97 between Weed and Grass Lake, 8.6 mi ne of Weed. 1066 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  SEINET13709361  Penstemon heterodoxus Lowell William Ahart, Lowell William Ahart, V. H. Oswald 1998-1 9329 Siskiyou Hwy. 97 Between Weed and Macdoel at E End Grass Lake (T44N, R3W, sec 24, SE 1/4) 5000 Ft. 1524 Comment
  UC1423447  Penstemon humilis var. humilis Noel H. Holmgren, James L. Reveal 1966-6-9 2680 Siskiyou US 97, Shasta Valley, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  CHSC83277  Penstemon laetus var. sagittatus L. P. Janeway 2002-7-13 7646 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  CHSC88779  Penstemon laetus var. sagittatus Jenny Marr 1993-7-1 196 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  JEPS11378  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-30 20066 Siskiyou 6 mi e McCloud (Fowlers Camp, Forest Service Campground on McCloud River); McCloud River, e of McCloud, Fowlers Camp 944 Comment
  SEINET5328855 Image available Penstemon laetus var. sagittatus G. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  UC887109  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou on U.S. Highway #97 near the western base Deer Mountain; near western base of Deer Mountain Comment
  UC887112  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 a Siskiyou U.S. Highway #97, 16 mi ne Weed; ne of Weed Comment
  HSC21040  Penstemon newberryi R. Spellenberg 1965-6-20 1172 Siskiyou Edge of cinder cone, Black Butte Pass, 5 mi. S of Weed Comment
  HSC663  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-7-9 679 Siskiyou Kidd Creek Trail 1768 Comment
  HSC29293  Penstemon newberryi subsp. berryi Frederick W. Oettinger, R. F. Thorne 1969-8-5 1219 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo View Gap along English Lake trail Comment
  RSA12565  Penstemon newberryi subsp. newberryi Carl B. Wolf 1934-7-6 6021 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  NY627426  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  UC174047  Penstemon newberryi var. berryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek Comment
  UCSB22123  Penstemon newberryi var. newberryi Breedlove, Dennis 1962-6-11 Siskiyou at base of Black Butte; along U.S. Highway 99; 4 miles south of Weed 1188 Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  JEPS11376  Penstemon roezlii W. L. Jepson 1894-8-9 21429 Siskiyou Horseshoe Bend* Horseshoe Bend, Upper Sacramento River (Upper Sacramento River, *near Shasta Springs - bend in rr., not in river) Comment
  UC1542736  Penstemon roezlii Barbara Ertter with Thomas J. Delendick 1987-5-17 6974 Siskiyou 1.7 mi n S Fk Scott River bridge (w side Rt 3 n of Callahan); n of S Fk Scott River bridge 914 Comment
  CHSC31037  Penstemon rupicola M. S. Taylor 1980-7-8 3094 Siskiyou W end of Little Castle Lake, near where creek enters the lake. 1767 Comment
  RSA12669  Penstemon speciosus Carl B. Wolf 1934-7-6 6025 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  SEINET13761771 Image available Penstemon speciosus R. R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  HSC21060  Penstemon speciosus R. C. Wunner 1965-6-29 291 Siskiyou California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction 1616 Comment
  RSA401884  Penstemon speciosus Edwin Kline 1920-6-20 s.n. Siskiyou Siskiyou Mtns. Comment
  UCR37514  Perideridia oregana L. P. Janeway 1983-8-28 642 Siskiyou Poker Flat 1529 Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  JEPS81802  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6832 Siskiyou [road from Callahan to Trinity Center] road summit 1/4 mi n Scott Mtn. road summit; n of Scott Mtn., below Darlingtonia bog 1615 Comment
  CAS-BOT-BC423356  Peritoma platycarpa L. E. Smith 1912-7-1 s.n. Siskiyou Montague Comment
  HSC64424  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-16 4389 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC142701  Phacelia cookei W. B. Cooke; V. G. Cooke 1970-7-22 42690 Siskiyou Andesite Road, 0.5 mi. above Andesite turnoff of US-97 Mt. Shasta 1402 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  HSC93605  Phacelia dalesiana Dorothy Parker 1965-6-1 640 Siskiyou Scott Mtn. 1631 Comment
  HSC43870  Phacelia greenei Jennifer Whipple 1976-5-2 908 Siskiyou 915 Comment
  HSC66244  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC144627  Phacelia hastata A. A. Heller 1905-6-20 8080 Siskiyou Gazelle Comment
  RSA120909  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou Just south of Weed. Comment
  HSC61875  Phacelia leonis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UCR93374  Phacelia linearis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  RSA695873  Phacelia linearis D. W. Taylor 1995-6-4 14969 Siskiyou Three miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. ten miles north of Weed). 1159 Comment
  HSC2398  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  JEPS80514  Phacelia mutabilis Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  HSC70607  Phacelia pringlei J. O. Sawyer, R. Jane Cole 1981-7-2 4145 Siskiyou Near Scott Mountain Campground 1585 Comment
  JEPS1096  Phacelia pringlei J. G. Lemmon September 1879 Siskiyou near Sisson (headwaters of riv<er>); Shasta, Sac. River Comment
  RSA120902  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  UC2026473  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CHSC71515  Phalaris arundinacea Vernon H. Oswald; Lowell Ahart 1998-7-21 9327 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of the marsh. 1524 Comment
  CAS-BOT-BC77435  Philadelphus lewisii Lewis S. Rose 1945-6-18 45078 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  UC415566  Philadelphus lewisii H. E. Brown Jul 1 1897-Jul 5 1897 562 Siskiyou Mt. Shasta; s side 1524 Comment
  SEINET7041249  Phlox adsurgens Barbara L. Wilson 1994-5-27 6916 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  HSC30427  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou Marble Mtn. Wilderness Area, S of Upper English Lake 1921 Comment
  CHSC4540  Phlox caespitosa J. E. Bowlin 1967-7-18 56 Siskiyou 150 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. It is 15.5 mi. from the center of the city of Shasta. 2407 Comment
  JEPS69943  Phlox diffusa Willis L. Jepson 1894-8-4 14990 Siskiyou Horse Camp Mt. Shasta Comment
  CAS-BOT-BC232822  Phlox hirsuta Diane Elam; Ken Fuller 1900-7-19 s.n. Siskiyou Soap Creek Ridge just upslope from Highway 3, SW of Yreka Comment
  UC163854  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  POM165823  Phoradendron densum Alice Eastwood 1922-10-23 11559 Siskiyou Yreka. Comment
  CAS-BOT-BC56483  Phyllodoce empetriformis Robert F. Thorne; Fred Oettinger 1969-8-10 39002 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  HSC7868  Phyllodoce empetriformis Dorothy Parker 1949-7-10 337 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  LA25854  Phyllodoce empetriformis H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  UC1409436  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou inlet to Little Hancock Lake (in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  UC456184  Phyllodoce empetriformis I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Trinity Mountains, Castle Lake 2133 Comment
  UCD117723  Phyllodoce empetriformis Dean William Taylor 1972-7-3 1614 Siskiyou Near Little Duck Lake. 1981 Comment
  CHSC91684  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 mi. n. of Montague. Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC82286  Physaria occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4807 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  JEPS44813  Physocarpus capitatus W. L. Jepson 1894-1 13845 Siskiyou n Sisson (on old stage rd); Mt Shasta Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  CAS-BOT-BC73426  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon Rvr.), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mts 1615 Comment
  POM230327  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  SBBG56399  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Crk, a tributary of the Scott River 1432 Comment
  HSC77150  Pinguicula macroceras L. P. Janeway 1983-7-24 454 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC78326  Pinus attenuata John Thomas Howell 1937-7-27 13571 Siskiyou Salmon River near Big Flat 1524 Comment
  UC1452402  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-6-30 Siskiyou Mount Eddy; slope 2270 Comment
  NY49383  Pinus balfouriana W. R. Dudley 1901-8-22 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
  HSC44742  Pinus jeffreyi Maralyn O'Meara 1974-5-25 446 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC73143  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou South slope of Black Butte, W. of Mt. Shasta. Comment
  HSC1516  Pinus lambertiana R. C. Wunner 1965-8-21 463 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  HSC37526  Pinus lambertiana J. P. Smith 1974-5-25 7436 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC1190124  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  HSC69503  Pinus monticola John Palmer 1980-7-24 650 Siskiyou Dillon Divide 1707 Comment
  HSC69521  Pinus monticola Maralyn A. Renner 1980-6-26 1287 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SD136380  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou west slope above Kangaroo Lake, Scott Mountains 2100 Comment
  UC70584  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  HSC31509  Pinus ponderosa Steve Selva, Roger Jensen 1974-8-26 59 Siskiyou Along Road 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  JEPS64473  Piperia colemanii W. L. Jepson 1894-8-4 21280 Siskiyou halfway from Sisson to Horse Camp; Mt. Shasta 1524 Comment
  SBBG106810  Plagiobothrys nothofulvus K. L. Chambers, C. G. Carlbom 1962-4-21 2104 Siskiyou Hwy 99, 5.6 mi S of the center of Yreka Comment
  CHSC106107  Plantago eriopoda Lowell Ahart; John Dittes 2010-7-30 16967 Siskiyou About 10 yards south of the Shasta River, about 40 yards west of the pipe crossing the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC67861  Plantago lanceolata J. P. Smith, Steve Selva 1970-6-16 4031 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC68388  Plantago lanceolata Maralyn A. Renner 1980-6-26 1252 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC375220  Platanthera Geo. D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  HSC21998  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-16 1145 Siskiyou W of Waterdog Lake 2073 Comment
  HSC69212  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-7-24 2083 Siskiyou Lily Pad Lake 1768 Comment
  UCD138977  Platanthera dilatata var. leucostachys J. M. Tucker; D. V. Hemphill 1974-7-26 4291 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC44573  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  HSC92097  Platanthera dilatata var. leucostachys Jennifer Whipple 1976-7-24 1565 Siskiyou Mount Eddy. SW of Dobkins Lake, along drainage into lake 2226 Comment
  SJSU6500  Platanthera sparsiflora R. W. Trivelpiece 1972-6-15 115 Siskiyou Vann Creek near Bear Peak, SW of Happy Camp 1280 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  HSC60787  Platanthera sparsiflora Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  JEPS80566  Platanthera stricta Gilbert Muth 1965-10-4 169 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  RSA237640  Platanthera stricta Frederick W. Oettinger 1969-7-17 1050 Siskiyou Inlet to Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA237639  Platanthera stricta Frederick W. Oettinger 1967-7-26 205 Siskiyou Along trail down to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC46055  Plectritis macrocera Maralyn O'Meara 1974-5-25 420 Siskiyou On Rd. 8, 4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC63297  Pleuricospora fimbriolata M. A. Baker 1979-6-28 1064 Siskiyou Marble Mountain Wilderness. 0.5 km. N and slightly E of Green Granite Lake. 1500 Comment
  RSA484227  Poa M. B. Dunkle 1945-1 9325 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  CAS-BOT-BC254995  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Yreka 800 Comment
  CAS-BOT-BC254998  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou Schumacher's (Geo Gray's) Ranch Comment
  UCD90673  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Eureka. Schumacher's Ranch (Geo. Gray). Comment
  JEPS125993  Poa compressa D. W. Taylor 1996-7-27 15867 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  UC2046863  Poa cusickii subsp. cusickii R. E. Brainerd with N. Otting 2013-7-12 2179 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Trail just above Upper Wright Lake. Comment
  RSA578032  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA22128  Poa pratensis J. T. Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA715495  Poa pratensis L. Ahart 2005-6-9 12033 Siskiyou along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/4 mile (air) south of Highway 99/97 Cuttoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  UCD91938  Poa pratensis A. H. Murphy 1956-8-16 56 P Siskiyou Big Marshy Meadows. Klamath National Forest. 1981 Comment
  UC1535350  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2106 Siskiyou between Siskiyou Blvd and S.P.R.R. Grenada (2 mi s of intersection of Hwy A-12 and Siskiyou Blvd, 10-30' s of Truttman Lane); Yreka Quadrangle 783 Comment
  JEPS81691  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  RSA238331  Poa pringlei Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD91776  Poa pringlei Robert E. Preston 2001-6-23 1597 Siskiyou Klamath National Forest, north facing slope of Rainbow Mountain. 2042 Comment
  RSA273422  Poa secunda J. P. Smith 1976-5-5 8708 Siskiyou road between Forks of Salmon and Somes Bar 366 Comment
  CDA18409  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2618 Siskiyou Klamath Ranges; north edge of Fort Jones beside Hwy 3; ; 0.1 mi N of Hamilton St., Ft. Jones. 822 Comment
  CHSC98796  Poa secunda subsp. secunda J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  HSC34107  Poa secunda subsp. secunda J. O. Sawyer 1969-7-24 1465 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  JEPS33848  Poa secunda subsp. secunda Gilbert Muth 1966-7-31 477 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2057 Comment
  UCD91753  Poa secunda subsp. secunda A. H. Murphy 1956-8-16 56 V Siskiyou Klamath National Forest. 1828 Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  CAS-BOT-BC232898  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdam Creek Comment
  UC643266  Polemonium pulcherrimum subsp. pulcherrimum W. Bridge Cooke 1940-7-26 15381 Siskiyou Mt. Shasta , w side of Shastina (w side of Shastina) 3048 Comment
  UCD115149  Polyctenium fremontii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, southwest of Hebron summit. 1524 Comment
  JEPS25541  Polygala cornuta var. cornuta Rimo Bacigalupi with Lincoln Constance 1959-6-17 7158 Siskiyou slopes across from junction of Big Springs Road with US 97 (4 mi ne of Weed) 1066 Comment
  OBI55528  Polygala cornuta var. cornuta David J. Keil, Kathleen Keil 1992-7-21 23517 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  RSA2055  Polygala cornuta var. cornuta Carl B. Wolf 1930-10-22 1756 Siskiyou 3 miles N of Mt. Shasta City on the Pacific Hwy 1220 Comment
  UC137876  Polygala cornuta var. cornuta Wm. M. Canby 1897-9-7 17 Siskiyou Mt. Shasta Comment
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake Comment
  RSA237796  Polygonum bistortoides Frederick W. Oettinger 1966-8-7 47 Siskiyou Below Tom Taylor Cabin Springs. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC414604  Polygonum douglasii A. A. Heller 1916-7-20 12121 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC42897  Polygonum douglasii Ken Stillman 1976-8-31 457 Siskiyou E and N sides of Williams Point 366 Comment
  JEPS24802  Polygonum douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6811 Siskiyou about 3 mi nw Weed (head of valley); Shasta Valley 975 Comment
  OBI72046  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet ner end of FR 41N53 ca 1 mi N of morgan Meadows 1676 Comment
  POM104493  Polygonum douglasii Geo. D. Butler 1910-7-8 1676 Siskiyou Shackleford Creek. 1829 Comment
  JEPS50557  Polygonum douglasii subsp. johnstonii W. L. Jepson 1937-7-30 18539 Siskiyou near Poker Flat (summit of mts.); Siskiyou Mts. 1554 Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. Comment
  CAS-BOT-BC418596  Polygonum minimum Wm. Bridge Cooke 1938-9-8 11658 Siskiyou Mount Shasta. Squaw Creek Meadows Comment
  POM104450  Polygonum phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Damp soil, upper Campbell Lake. 1677 Comment
  CAS-BOT-BC420071  Polygonum polygaloides subsp. kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 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
  UC637105  Polygonum sawatchense subsp. oblivium Annetta Carter 1934-8-15 714 Siskiyou summit of Happy Camp to Waldo (Oregon) road Klamath National Forest, Indian Creek Watershed 1615 Comment
  CHSC102557  Polygonum shastense L. P. Janeway 2009-8-3 9884 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  RSA237974  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC2389  Polygonum spergulariiforme William J. Ferlatte 1966-8-18 431 Siskiyou Willow Creek Trail. 1707 Comment
  CAS-BOT-BC71836  Polypodium californicum Edward Lee 1934-8-13 1056 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  HSC18929  Polystichum imbricans J. O. Sawyer 1969-6-11 843 Siskiyou Above C.C.C. road. 1287 Comment
  HSC79149  Polystichum imbricans C. J. Thomas 1983-10-1 100 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  CAS-BOT-BC76741  Polystichum imbricans subsp. imbricans Alice Eastwood 1912-7-23 1336 Siskiyou Cantara Comment
  CAS-BOT-BC76773  Polystichum imbricans subsp. imbricans E. L. H. Knoche 1890-5-31 s.n. Siskiyou Moshrae Falls, Sacramento River Comment
  CAS-BOT-BC72381  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  SBBG16155  Polystichum lemmonii E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  UC338377  Polystichum lemmonii J. G. Lemmon and wife Sep 1889 Siskiyou s slope Mt. Eddy (near Mt. Shasta) Comment
  HSC76642  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC79122  Polystichum lemmonii C. J. Thomas 1983-10-1 80 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  RSA259549  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  SD76178  Polystichum lemmonii Helen V. Witham 1969-10-6 566 Siskiyou Scott Mountains, cliffs above Kangaroo Lake Comment
  UCSB28070  Polystichum lemmonii Bacciu, Eugene 1961-6-1 Siskiyou Mt. Eddy Creek, near Weed. 1524 Comment
  POM210965  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  CAS-BOT-BC102773  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  HSC19175  Populus tremuloides J. O. Sawyer 1968-7-23 603 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC102957  Populus trichocarpa Alice Eastwood 1917-9-2 6670 Siskiyou Shasta Springs Comment
  CAS-BOT-BC102959  Populus trichocarpa W. B. C. 1942-7-2 16363 Siskiyou Bed of Mud Creek Canyon above the Dam, [Mt.Shasta] Mt. Shasta 1524 Comment
  UCD144584  Potamogeton amplifolius Steve Orloff 2002-1 s.n. Siskiyou Cecilville, Property owned by John Riewerts. 709 Comment
  HSC30478  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-21 1473 Siskiyou Near Ethel Lake, Salmon Mtns. 1738 Comment
  RSA68955  Potamogeton gramineus A. E. Culbertson 1943-7-21 3 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi. S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  HSC103176  Potamogeton richardsonii Dana York, Jim Shevock 2012-7-20 3114 Siskiyou Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  CAS-BOT-BC143263  Potentilla flabellifolia John Thomas Howell 1939-8-9 15230 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  UC922313  Potentilla flabellifolia Annie M. Alexander and Louise Kellogg 1949-7-28 5875 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  UC1128235  Potentilla gracilis var. fastigiata L. Whitney 1934-6-27 8 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  CAS-BOT-BC540560  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  CAS-BOT-BC540572  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-24 10778 Siskiyou Castle Lake Comment
  UC860723  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou about a mi s Bray; s of Bray 1402 Comment
  HSC32245  Primula suffrutescens J. O. Sawyer 1970-8-5 2357 Siskiyou Sawtooth Ridge S of Caribou Lake 2195 Comment
  UCLA49270  Prunella vulgaris W. Bridge Cooke 1939-7-7 13600 Siskiyou along the road between Bear Springs and Wagon Camp Mount Shasta; , between Bear Springs and Wagon Camp Comment
  RSA63068  Prunus emarginata L. S. Rose 1950-5-7 50108 Siskiyou Shasta Springs 915 Comment
  UC1409368  Prunus emarginata Frederick W. Oettinger 1968-4-10 468 Siskiyou e side of Hancock Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, Western Siskiyou County Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1889 Comment
  UC165439  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain Comment
  UC166616  Prunus emarginata Geo. D. Butler 1909-5-2 711 Siskiyou Humbug Divide Comment
  UC796547  Prunus emarginata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11776 Siskiyou about 5.5 mi from Etna (on forks of Salmon Road) Comment
  JEPS44971  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug 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
  CAS-BOT-BC239813  Pseudoroegneria spicata Wm. Bridge Cooke 1940-6-20 15143 Siskiyou Along the Klamath River Highway west of the Pacific Highway Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  UC165990  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC80170  Pseudotsuga menziesii Carl B. Wolf 1927-8-26 1070 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  CAS-BOT-BC80174  Pseudotsuga menziesii Doris K. Kildale 1929-4-27 7559 Siskiyou Cecilville Comment
  JEPS48291  Pseudotsuga menziesii var. menziesii W. L. Jepson 1902-7-22 2958 Siskiyou Hamburg to Scott Valley (on Miamber Trail) Comment
  CHSC71869  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald; Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CAS-BOT-BC72684  Pteridium aquilinum A. A. Heller 1920-8-11 13502 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC460557  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4428 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UCD113279  Purshia tridentata R. V. Parke 1954-5-15 120 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  CAS-BOT-BC147900  Purshia tridentata var. tridentata W. R. Dudley 1899-8-9 s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC147904  Purshia tridentata var. tridentata Alice Eastwood 1912-7-19 1232 Siskiyou Mount Shasta Comment
  HSC41796  Pyrola aphylla Brent Whiteley 1975-6-28 101 Siskiyou Irving sale of the Klamath River. 915 Comment
  HSC67488  Pyrola aphylla J. P. Smith, Steve Selva 1970-6-14 3882 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  CAS-BOT-BC460862  Pyrola aphylla W. R. Dudley 1893-6-21 s.n. Siskiyou Sides of Mt. Shasta Comment
  CAS-BOT-BC460870  Pyrola aphylla Alice Eastwood 1921-7-26 10860 Siskiyou Soda Creek Comment
  CAS-BOT-BC460874  Pyrola aphylla Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC462796  Pyrola dentata Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA0080530  Pyrola dentata Gilbert Muth 1965-8-10 198 Siskiyou Marble Valley and along upper trail, Marble Mts. Comment
  UC166593  Pyrola picta Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC466131  Pyrola picta Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC466152  Pyrola picta Wm. Bridge Cooke 1938-8-5 11456 Siskiyou Sisson Southern Trail, Mount Shasta [one specimen observed at 9000'] 1828 Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  SBBG126113  Pyrrocoma lanceolata var. lanceolata L. Ahart, J. Dittes 2010-7-30 16969 Siskiyou Shasta Big Springs Ranch, 2.6 mi NW of Big Springs Lake, 3.9 mi SE of Grenada, 6.3 mi NW of Dwinnel Dam 778 Comment
  CAS-BOT-BC362388  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 Comment
  CAS-BOT-BC45747  Quercus Doris K. Kildale 1927-11-20 s.n. Siskiyou Klamath River at Hornbrook Comment
  CAS-BOT-BC45748  Quercus Roxana S. Ferris; Laura Lorraine 1948-6-12 11859 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  JEPS82715  Quercus Wayne Roderick 1981-7-4 Siskiyou Cook and Green Pass 1371 Comment
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  CAS-BOT-BC94659  Quercus garryana Carl B. Wolf 1927-8-27 1109 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC62756  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12385 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  UC1408907  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou e side, vicinity of English Peak, w Siskiyou County Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1722 Comment
  HSC30228  Quercus garryana var. breweri William J. Ferlatte 1973-7-30 1482 Siskiyou Yellow Rose Mine Trail 1.0 mi SE of Big Flat 1829 Comment
  RSA15793  Quercus kelloggii Carl B. Wolf 1927-8-26 1027 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SEINET10838949  Quercus kelloggii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 349 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  HSC19218  Quercus sadleriana J. O. Sawyer 1968-9-9 659 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC61936  Quercus sadleriana Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  SD51661  Quercus sadleriana Reino Alava, Aloha Alava and Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1376 Comment
  UC705929  Quercus sadleriana Marion Ownbey, Fred G. Meyer 1940-7-8 2230 Siskiyou 20 mi n Happy Camp (near summit Siskiyou Mountains); Siskiyou Mountains Comment
  UC722975  Quercus sadleriana C. L. Hitchcock and J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp road 1676 Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  CAS-BOT-BC104640  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  HSC8301  Quercus vacciniifolia Jerry Parker 1968-10-6 142 Siskiyou Salmon Mtns. ridge above Sugar Lake Comment
  JEPS94649  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  RSA237834  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou Near the seepage area along the trail from English Peak to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG113473  Quercus vacciniifolia D. Wilken with E. Painter 2000-8-10 15856 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  UC455272  Quercus vacciniifolia I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1676 Comment
  UCD47398  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the North Fork junction with the Middle and South Forks, Siskiyou County. 1066 Comment
  UCD47465  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  SBBG27176  Ranunculus aquatilis var. aquatilis L. C. Wheeler 1935-6-13 3569 Siskiyou Greenview, Scott Valley 883 Comment
  UC375271  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-7-4 361 Siskiyou Shasta River; near mouth Comment
  CAS-BOT-BC379130  Ranunculus aquatilis var. diffusus Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  POM99951  Ranunculus glaberrimus var. ellipticus Geo. D. Butler 1910-3-6 1117 Siskiyou Shasta River Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA47792  Ranunculus uncinatus var. parviflorus Roxana S. Ferris, Laura Lorraine 1948-6-12 11746 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC618726  Rhamnus californica unknown 1938-8-5 11436 Siskiyou MacBride Springs Road Mount Shasta Comment
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  CAS-BOT-BC56111  Rhamnus ilicifolia Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  POM211390  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  RSA7703  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  JEPS41948  Rhamnus purshiana Geo. D. Butler 1908-8-8 23 Siskiyou Marble Valley 1676 Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  JEPS41973  Rhamnus rubra Willis L. Jepson 1894-1 13983 Siskiyou Upton, beyond Sisson Upper Sacramento Region Comment
  UC80228  Rhamnus rubra Dr. E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  OBI55460  Rhododendron occidentale David J. Keil, Kathleen Keil 1992-7-21 23543 Siskiyou Klamath NF SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn road (Hwy 3)). Comment
  CAS-BOT-BC200405  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  HSC7889  Rhododendron occidentale var. paludosum Dorothy Parker 1949-6-6 Siskiyou French Creek, Salmon Mtns. 1372 Comment
  CAS-BOT-BC200670  Rhus aromatica L. P. Janeway 1984-6-21 859 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point 594 Comment
  UC163756  Rhus trilobata Geo. D. Butler 1908-7-4 1033 Siskiyou near mouth Shasta River Comment
  UC160397  Ribes I. J. Condit 1911-7-22 Siskiyou Shasta trail 1676 Comment
  UC61673  Ribes W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC438011  Ribes W. R. Dudley 1899-8-22 s.n. Siskiyou Near spring - Craggy Peak Comment
  POM92615  Ribes binominatum Geo. D. Butler 1910-7-8 1682 Siskiyou Shackelford Creek. 1220 Comment
  UC1540006  Ribes cereum M. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cave (close to road); Lava Beds National Monument 1402 Comment
  UC618608  Ribes cereum W. Bridge Cooke 1938-6-17 11032 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0024865  Ribes cereum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39013 Siskiyou Lava Beds National Monument, near Fleener Chimneys. 1524 Comment
  RSA0024870  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou East slope of Mt. Shasta, 1 mile W of Military Pass Rd., along rd. to Brewer s Cr. Comment
  NY185916  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka Comment
  SEINET4853858  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka. Comment
  SEINET3154875  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou near railraod at Yreka Comment
  RSA0021105  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC173379  Ribes lobbii C. H. M. 1916-9-8 s.n. Siskiyou Black Butte, Calif. Nat'l. Forest Comment
  CAS-BOT-BC173387  Ribes lobbii T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1676 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  JEPS25643  Ribes lobbii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7282 Siskiyou meadow at Poker Flat Poker Flat 1536 Comment
  RSA0021147  Ribes lobbii I. L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River. 960 Comment
  UC1222376  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  JEPS128460  Ribes montigenum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  SEINET5339750  Ribes nevadense G. Butler 1910-7-12 1759 Siskiyou Dry ridge Shackleford Creek 1372 Comment
  UC70542  Ribes roezlii T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC199998  Ribes roezlii var. cruentum W. R. Dudley 1899-8-9 s.n. Siskiyou Eastern Base of Black Butte Comment
  HSC39740  Ribes roezlii var. cruentum J. O. Sawyer 1970-4-3 2095 Siskiyou Along Sugar Creek 915 Comment
  HSC92895  Ribes roezlii var. cruentum Jennifer Whipple 1977-8-5 2175 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2256 Comment
  RSA0024603  Ribes roezlii var. cruentum Christopher Davidson 1975-6-5 2685 Siskiyou 0.8 miles N of Scott Mountain Summit on Highway 3. 1585 Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  SEINET12220354  Ribes sanguineum J. P. Tracy 1951-1 19497 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd near state line Comment
  CAS-BOT-BC173913  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  RSA0019710  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka. Comment
  HSC100866  Ribes viscosissimum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13062 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  JEPS80492  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou trail to Lookout; Marble Mountain Wilderness Area 1813 Comment
  JEPS77659  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail Trinity Alps 1645 Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  UC165305  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou near Yreka Comment
Read comments
Feb 18 2009
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  UC164065  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  HSC61513  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  CAS-BOT-BC147057  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  SBBG27224  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Bear Crk off W fork Beaver Crk 1767 Comment
  HSC61951  Rubus lasiococcus Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  JEPS47797  Rubus lasiococcus W. L. Jepson 1937-7-30 18563 Siskiyou Poker Flat Siskiyou Mts., (headwaters Indian Creek) 1584 Comment
  UCR95195  Rubus lasiococcus L. C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains: W fork Clear Creek 1433 Comment
  CAS-BOT-BC147984  Rubus leucodermis Doris K. Kildale 1928-7-1 5328 Siskiyou Forks of Salmon Comment
  CHSC1599  Rubus parviflorus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  UC164308  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  UC375391  Rubus parviflorus Geo. D. Butler 1908-7-12 1043 Siskiyou Humbug Mountain Comment
  HSC27982  Rubus ursinus Carl W. Mize 1972-9-24 130 Siskiyou Along trail from Camp 3 732 Comment
  SEINET5710612  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  HSC67721  Rudbeckia occidentalis John Palmer 1980-8-15 971 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  CAS-BOT-BC433497  Rumex fueginus Geo. D. Butler 1910-9-12 1877 Siskiyou Butte Valley 1280 Comment
  CDA33462  Sagina procumbens Ken Burbank 2010-7-9 PDR# 1414044 Siskiyou Weed; Weed Golf Course. 0 Comment
  HSC29617  Sagina saginoides Frederick W. Oettinger 1969-9-5 1688 Siskiyou Marble Mtn. Wilderness Area, S side of Davis Mt., Abbotts Lake region 1677 Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  CAS-BOT-BC103369  Salix bonplandiana W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC102814  Salix boothii Gilbert Muth 1966-8-3 498 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA597970  Salix delnortensis Louis C. Wheeler 1963-8-30 8310 Siskiyou Siskiyou Mountains. Second streamlet on east side of Clear Creek below Trout Camp; seen also at first stream on east side. 945 Comment
  RSA238019  Salix eastwoodiae Frederick W. Oettinger 1969-8-8 1297 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA105506  Salix exigua G. D. Barbe 1955-6-28 7 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  SEINET10538849  Salix exigua Katherine L. Morris 1973-6-2 Morris 374 Siskiyou Collected 7.0 mi s of etna along roadside of hwy 3, near a gravel quarry. Comment
  HSC68562  Salix jepsonii Maralyn A. Renner 1980-6-26 1154 Siskiyou Flint Valley. 1390 Comment
  UCD111534  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1350 Comment
  CAS-BOT-BC107065  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  UC449839  Salix lasiolepis L. S. Smith 1931-6-1 19 Siskiyou nr. Mt. Shasta 1066 Comment
  UC482341  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  UC576382  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou above Metcalf Ranch (e side of mt., 8-9 mi nw of Mt. Shasta City); Mt. Eddy, Wagon Creek 1203 Comment
  UC576390  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 843 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  UC576394  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 833 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  RSA610772  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1935-5-12 3492 Siskiyou Greenhorn Creek. Siskiyou Mtns. 915 Comment
  CAS-BOT-BC124900  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  LA208890  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-19 415 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1455.0 Comment
  SBBG57902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  UC481735  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. Shasta City (n. side Mt. Eddy, 180 m. below Dobkin's Lake); Mt. Eddy 1770 Comment
  UC482243  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 421 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, edge of stream above Metcalf ranch house); Mt. Eddy 1425 Comment
  POM107035  Salix lucida subsp. lasiandra Geo. D. Butler 1910-4-13 1171 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC125681  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-1 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC126153  Salix scouleriana L. E. Smith 1913-4-2 620 Siskiyou Sisson Comment
  CAS-BOT-BC126171  Salix scouleriana John Thomas Howell 1939-8-5 15081 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CDA21576  Salix scouleriana Marianne Cabot 2008-8-12 PDR# 1413931 Siskiyou Ft. Jones, 6711 Mill Creek Rd. 0 Comment
  SBBG28805  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City, ca. 1.3 km E of Burney Mill 1110 Comment
  SBBG57986  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City, at bridge, ca. 1.3 km E of Burney Mill 1110 Comment
  SD880  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, east of Metcalf Ranch House 1079 Comment
  UC375224  Salix scouleriana Geo. D. Butler 1909-4-11 1079 Siskiyou Shasta Retreat 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
  CAS-BOT-BC175653  Salsola tragus L. E. Smith 1913-8-20 541 Siskiyou Montague Comment
  CAS-BOT-BC220805  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-12 9533 Siskiyou Three Sisters, Lava Beds National Monument 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
  CHSC14084  Salvia sonomensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Bule Grotto Cave, Lava Beds National Monument. 1456 Comment
  JEPS12731  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  CAS-BOT-BC238876  Sambucus nigra subsp. caerulea Alice Eastwood 1921-7-31 11017 Siskiyou Shasta Springs Comment
  CAS-BOT-BC238886  Sambucus nigra subsp. caerulea John Thomas Howell 1939-8-5 15072 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS93899  Sanguisorba annua Vernon H. Oswald and Lowell Ahart 1998-7-21 9344 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  HSC70592  Sanguisorba annua J. O. Sawyer, J. Cole 1981-7-2 4144 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CAS-BOT-BC223227  Sanicula bipinnatifida H. A. Thomas; J. H. Thomas 1954-7-21 4403 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC1034053  Sanicula graveolens W. Bridge Cooke 1941-7-18 16083 Siskiyou below Wagon Camp (near the Bear Springs-Wagon Camp Road, Mount Shasta); Mount Shasta 1706 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
  RSA60665  Sanicula tuberosa I. L. Wiggins 1950-5-28 12381 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  RSA70031  Sarcobatus vermiculatus F. W. Peirson 1923-7-19 3717 Siskiyou 2 miles below Oregon line, lowest dry Klamath lake. Comment
  CDA8574  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  RSA237374  Saxifraga Frederick W. Oettinger 1967-7-8 154 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA60659  Saxifraga aprica I. L. Wiggins 1950-5-28 12387 Siskiyou 0.3 mile W of Carmen Lake. 1707 Comment
  RSA211112  Saxifraga ferruginea William J. Ferlatte 1967-7-25 729 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  POM298393  Saxifraga tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lake. Comment
  HSC19530  Scirpus congdonii J. O. Sawyer 1969-7-18 1415 Siskiyou Head of S Russian Creek 1829 Comment
  HSC19534  Scirpus congdonii J. O. Sawyer 1968-7-22 552 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC58919  Scirpus congdonii Marvin Butler 1971-7-15 140 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  CAS-BOT-BC110851  Scirpus congdonii Doris K. Kildale 1928-8-19 6516 Siskiyou English Lake, head of the north fork of Salmon River Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CDA2410  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC10230  Secale cereale D. M. Thomson 1965-7-17 151 Siskiyou Lava Beds National Monument, N boundary Comment
  CAS-BOT-BC63878  Sedum kiersteadiae Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy. 2377 Comment
  CAS-BOT-BC59186  Sedum lanceolatum John Thomas Howell 1966-7-25 15170 A Siskiyou Black Mt., Marble Mts. Comment
  JEPS105142  Sedum laxum subsp. flavidum Dean W. Taylor 1993-7-30 13991 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-BC63877  Sedum laxum subsp. heckneri Alice Eastwood; Thomas Howell 1937-6-26 5056 Siskiyou 4 miles east of Forks of Salmon, Comment
  HSC59369  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-30 1081 Siskiyou E side of Pigeon Roost, on trail 3080 Comment
  HSC77061  Sedum obtusatum subsp. retusum K. T. Stillman 1976-8-7 192 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC61466  Sedum oregonense Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  UC1258460  Sedum radiatum Maralyn A. Renner 1980-7-23 1822 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC205173  Sedum spathulifolium Lewis C. Rosenbaum June 1916 Siskiyou Shasta Springs Comment
  UC1299669  Sedum spathulifolium Freed W. Hoffman 1950-7-14 4010 Siskiyou Clear Creek trail from Baldy Lookout (western Siskiyou County); Clear Creek trail from Baldy Lookout Comment
  HSC44705  Sedum spathulifolium var. spathulifolium J. O. Sawyer, E. Cope 1977-6-18 2899 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  SBBG19225  Selaginella scopulorum L. L. Kiefer 1963-8-8 827 Siskiyou White Mtn, N of town of Horse Crk, trail from Siskiyou Summit to White Mtn 1524 Comment
  UC185220  Selaginella wallacei Geo. D. Butler 1909-7-15 874 a Siskiyou Highland Mine Highland Mine Comment
  HSC67813  Senecio aronicoides J. O. Sawyer, J. Cole 1980-7-21 3820 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  HSC76771  Senecio hydrophiloides K. T. Stillman 1976-8-7 373 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  CAS-BOT-BC363743  Senecio hydrophilus Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  JEPS93892  Senecio hydrophilus Vernon H. Oswald and Lowell Ahart 1998-7-21 9348 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  UC195243  Senecio integerrimus var. major Annie M. Alexander and Louise Kellogg 1911-6-24 182 Siskiyou Jackson Lake 1798 Comment
  UC91693  Senecio integerrimus var. major Harley P. Chandler June 1901 1606 Siskiyou near Marble Mountain 1981 Comment
  HSC74441  Senecio jacobaea M. A. Baker 1980-6-20 2193 Siskiyou Near Bald Mtn. 1036 Comment
  HSC61996  Senecio triangularis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC69179  Senecio triangularis Maralyn A. Renner 1980-8-6 2338 Siskiyou Cracker Meadow 1555 Comment
  HSC76958  Senecio triangularis K. T. Stillman 1976-9-9 472 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  CAS-BOT-BC243645  Setaria pumila Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  RSA448559  Sidalcea Chadwick, Mrs. Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC1299198  Sidalcea asprella subsp. nana Freed W. Hoffman 1950-7-11 3723 Siskiyou Cedar Camp road 42.5 mi n Klamath River (western Siskiyou County); n of Klamath River, Cedar Camp Road Comment
  UCD116649  Sidalcea glaucescens Rolf Y. Berg 1964-7-15 8265 Siskiyou Seiad Valley. Along dirt road west of Cook and Green Pass and above Lily Pad Lake, Siskiyou Mountains. Comment
  CAS-BOT-BC205783  Sidalcea oregana John Thomas Howell 1939-8-7 15122 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC163716  Sidalcea oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  JEPS84215  Sidalcea oregana subsp. oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6322 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte, e slopes) 1750 Comment
  HSC76662  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-22 290 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS67268  Sidalcea oregana subsp. spicata Willis L. Jepson July 1896 14064 Siskiyou near Sisson (Upper Sacramento); , near Sisson Comment
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  UC164432  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mountain foothills of Goosenest Mountain Comment
  CAS-BOT-BC181201  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC166129  Silene campanulata subsp. glandulosa Geo. D. Butler 1908-8-3 59 Siskiyou canyon near Log Lake (Shackleford Creek); , near Log Lake Comment
  CAS-BOT-BC387055  Silene douglasii R. C. Wenk 2006-9-2 558 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Growing in dry coniferous forest by side of trail, above Big Conrad Creek 1950 Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  JEPS84223  Silene grayi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6338 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1730 Comment
  UC572803  Silene grayi W. Bridge Cooke 1937-7-28 9145 Siskiyou Mt. Shasta 2590 Comment
  UC60937  Silene grayi Geo. B. Grant September 1902 5094 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  UCD98591  Silene grayi Mary Ann Showers 1980-8-28 2051 Siskiyou along trail between old ski area and Panther Meadows on Mt. Shasta. 2377 Comment
  UC1198360  Silene hookeri Joseph P. Tracy 1939-4-29 16273 Siskiyou 3 mi n of mouth Salmon (near Somes Bar, e side Klamath River); e side Klamath River near Somes Bar, n of mouth Salmon 243 Comment
  CAS-BOT-BC181253  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  CAS-BOT-BC389430  Silene lemmonii Alice Eastwood 1912-7-21 1287 Siskiyou Sisson 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
  HSC41680  Silene marmorensis J. O. Sawyer, Ken Stillman 1976-7-1 2762 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  POM182779  Silene menziesii var. viscosa Geo. D. Butler 1909-6-10 967 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC133703  Sisyrinchium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  POM109017  Sisyrinchium bellum Geo D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  UC1409480  Sisyrinchium bellum Frederick W. Oettinger 1969-8-1 1125 Siskiyou meadow below English Lake (in vicinity of English Peak,); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC1222556  Smilacina racemosa Joseph P. Tracy 1951-6-16 19487 Siskiyou near State Line (at crossing of Takilma-Happy Camp Rd); Summit of Siskiyous 1463 Comment
  UC1034583  Smilacina racemosa Douglas Barbe 1955-7-4 91 Siskiyou 1000 ft from Parrot Creek (11 mi s of Etna, s bank of creek); North Fork of French Creek 975 Comment
  UC164383  Smilacina stellata Geo. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA50223  Solanum umbelliferum E. K. Balls 1949-7-9 13930 Siskiyou 8.1 Miles from Etna, road to Sawyer's Bar. 915 Comment
  POM211817  Solidago canadensis subsp. elongata L. C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC365575  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC365578  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC34663  Solidago elongata Thomas W. Nelson, J. O. Sawyer 1974-10-29 1740 Siskiyou Hwy. 3, just S of Calaghan Comment
  HSC38596  Solidago elongata J. P. Smith, J. O. Sawyer 1972-9-13 5782 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  HSC46879  Solidago elongata William J. Ferlatte 1976-9-22 1863 Siskiyou Above Yellow Rose Mine Trail on W side of Grouse Ridge ca. 1 mi. from Big Flat 1770 Comment
  JEPS95134  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  RSA142661  Sorbus californica Al Hobart 1961-7-13 3 Siskiyou Mt. Preston. 1829 Comment
  UCD114046  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou Vicinity of Paradise Lake, at base of King's Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UC1198763  Sorbus scopulina var. cascadensis Joseph P. Tracy 1935-8-1 14404 Siskiyou Rock Lake New River (between Salmon and; at extreme W. Fork of Knownothing Creek); Rock Lake, Knownothing Creek 1889 Comment
  HSC29470  Sorbus sitchensis var. sitchensis Frederick W. Oettinger 1968-9-8 789 Siskiyou Marble Mtn. Wilderness Area, outlet of English Lake 1799 Comment
  JEPS25814  Sphenosciadium capitellatum Geo. D. Butler 1908-8-10 460 Siskiyou Shackleford Creek 1371 Comment
  UC70411  Spiraea densiflora Milo S. Baker 1899-7-31 Siskiyou Ash Creek Mt. Shasta (above Warren and Anderson's Mill, e slope of Mt. Shasta) Comment
  JEPS45017  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek 1524 Comment
  UC1483507  Stachys ajugoides var. rigida Maralyn A. Renner 1980-8-31 2670 Siskiyou at trailhead to Twin Valley (Poker Flat); Klamath National Forest, Preston Peak Quad. 1524 Comment
  UC164138  Stachys ajugoides var. rigida Geo. D. Butler 1909-6-29 174 Siskiyou near Yreka Comment
  CDA41015  Stachys ajugoides var. rigida T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  CDA19579  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; 2.5 mi W of Yreka. 929 Comment
  POM69090  Stachys rigida subsp. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Yreka Creek. Comment
  RSA576948  Stellaria media subsp. pallida L. C. Wheeler 1934-6-19 2736 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  CAS-BOT-BC482445  Stenanthium occidentale Dana York 2011-8-13 3053 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  UCR131615  Stenanthium occidentale L. C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  CAS-BOT-BC516470  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou North side White Mt., Siskiyou Mts. 1828 Comment
  UC618866  Stephanomeria lactucina unknown 1938-7-29 11389 Siskiyou Howard Mount Shasta Comment
  RSA237475  Stephanomeria lactucina Frederick W. Oettinger 1967-8-21 300 Siskiyou Pine Lake trail about midway down. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2024 Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC92551  Stipa occidentalis var. californica Jennifer Whipple 1976-7-14 1475 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC30689  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-13 1352 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  UC1282026  Streptanthus barbatus Louise Kellogg Aug 8 1953-Aug 9 1953 127 Siskiyou serpentine outcrop near Scott Mountain Public Campground; Scott Mountains, Klamath National Forest, Blue Point 1630 Comment
  CAS-BOT-BC61132  Streptanthus barbatus W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy. Comment
  CAS-BOT-BC87851  Streptanthus tortuosus A. A. Heller 1940-7-25 15767 Siskiyou Along the trail below Horse Camp, Mount Shasta. 2286 Comment
  CAS-BOT-BC87866  Streptanthus tortuosus H. D. Ripley; R. C. Barneby 1948-7-6 9637 Siskiyou Black Butte. 1219 Comment
  CHSC4560  Streptanthus tortuosus J. E. Bowlin 1967-7-18 67 Siskiyou On roadside, ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  HSC86541  Streptanthus tortuosus D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 1982 Comment
  UC455749  Streptanthus tortuosus I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  RSA429547  Streptanthus tortuosus L. S. Rose 1934-4-20 34231 Siskiyou Junction of Klamath River and Shasta River. 915 Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  HSC60662  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-5 8707 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  RSA47663  Streptopus amplexifolius Roxana S. Ferris, Laura Lorraine 11749 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  OBI9067  Styrax redivivus H. E. McMinn 1931-6-26 2493 Siskiyou Pit River Bridge and hwy Comment
  SD53388  Swertia albicaulis var. nitida Darley F. Howe 1962-8-4 3389 Siskiyou Near summit of Baldy Mountain. 1737 Comment
  RSA68908  Symphoricarpos acutus A. E. Culbertson 1943-7-17 50 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC269613  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Creek 640 Comment
  CAS-BOT-BC245771  Symphoricarpos rotundifolius Elmer I. Applegate 1923-8-18 3872 Siskiyou Red Shale Mountain, east of Medicine Lake 2438 Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  RSA45335  Symphoricarpos vaccinioides Dorothy Parker 1947-5-23 183 Siskiyou Dry NE slopes of the Gazelle Mts. Comment
  CAS-BOT-BC97580  Symphyotrichum ascendens W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  JEPS40843  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-12 292 Siskiyou L. Eastlick's Ranch Oro Fino Comment
  UC223702  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3923 Siskiyou s end Lower Klamath Lake, (Willow Creek) Willow Creek Comment
  UC166162  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Edgewood Comment
  CAS-BOT-BC99036  Symphyotrichum cusickii John Thomas Howell 1939-8-7 15134 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC98853  Symphyotrichum spathulatum var. intermedium Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh 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
  UC1482562  Tauschia howellii Laurie Andrews 1981-6-10 15 Siskiyou at the top of the ridge by Crapo Peak (English Peak meadows, Marble Mtn Wilderness Area, Salmon River District); Marble Mtn Wilderness Area, Sawyers Bar Quad., Salmon River 2194 Comment
  JEPS49694  Tellima grandiflora W. L. Jepson 1907-7-19 2945 Siskiyou head of Indian Creek; Siskiyou Mountains 914 Comment
  JEPS80527  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 M Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC88063  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  JEPS46260  Thermopsis A. E. Wieslander 1928-6-12 Siskiyou near Slate Creek; Siskiyou Mts., Klamath National Forest Comment
  UCD93360  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  CAS-BOT-BC197374  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  CHSC34500  Thlaspi montanum var. montanum J. D. Jokerst 1981-9-8 1468 Siskiyou Between West Park Cr. and first road to the west. 1524 Comment
  CHSC560  Thlaspi montanum var. montanum M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  UC1213789  Thlaspi montanum var. montanum Jean Langenheim 1957-5-19 4344 Siskiyou at intersection of Miner's Creek road and Tiger Creek road; intersection Miner's Creek road and Tiger Creek road Comment
  HSC43111  Thysanocarpus curvipes Maralyn O'Meara 1974-5-25 366 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  HSC62274  Tiarella trifoliata var. unifoliata Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC1951319  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne and Fred Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Wet meadow 0.2 miles N of Tobacco Lake. Comment
  POM43378  Tonella tenella Geo. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  JEPS107382  Tragopogon dubius Lowell Ahart, John Dittes 2005-6-10 12066 Siskiyou South edge of pasture, east of a poor dirt road, about 90 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
  HSC36819  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA625170  Trautvetteria caroliniensis var. occidentalis Louis C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  HSC34265  Triantha occidentalis subsp. occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7317 Siskiyou W of Cliff Lake 1982 Comment
  HSC58945  Triantha occidentalis subsp. occidentalis Marvin Butler 1971-7-12 112 Siskiyou Near Copper Camp, close to the town of Cave Junction 1433 Comment
  HSC69052  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-6 2308 Siskiyou Cracker Meadow 1555 Comment
  HSC71099  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4505 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS2898 Image available Trichostema simulatum Dr. E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  POM28721  Trifolium cyathiferum Edward Palmer 1892-7-13 2475 Siskiyou Mount Shasta and vicinity Comment
  CHSC71483  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1998-7-21 9340 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC219047  Trifolium howellii L. R. Short 1933-8-6 22 Siskiyou Klamath National Forest 1767 Comment
  RSA237887  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC637129  Trifolium hybridum Edward Lee 1934-8-10 1016 Siskiyou near Hamburg (s bank of Klamath River betw Mckinney and Parkhouse Creeks) 609 Comment
  HSC82379  Trifolium longipes Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4532 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  POM216002  Trifolium macrocephalum Louis C. Wheeler 1935-6-2 3540 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  JEPS75361  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka (McNutty's field) Comment
  HSC154  Trifolium pratense William J. Ferlatte 1966-8-3 257 Siskiyou Mtn. Meadow Ranch 1524 Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  UC1045248  Trifolium repens William Bridge Cooke 1940-7-5 15234 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
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Mar 31 2006
  RSA183661  Trifolium repens Gilbert Muth 1965-8-16 229 Siskiyou Marble Valley Guard Station, Marble Mountains Comment
  POM28356  Trifolium siskiyouense Edward Palmer 1892-7-13 2510 Siskiyou Mt. Shasta and vicinity. Comment
  UC618760  Trifolium wormskioldii William Bridge Cooke 1938-6-29 11392 Siskiyou Bear Springs Mount Shasta 1524 Comment
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Mar 31 2006
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  CDA39372  Trillium ovatum T. C. Fuller 1958-6-18 1789 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  HSC782  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-6-30 597 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC96418  Trillium ovatum subsp. oettingeri Gordon Leppig, J. Kalt 1996-7-9 381 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC200092  Trisetum canescens Lewis S. Rose 1945-6-18 45088 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC200270  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt Shasta 2316 Comment
  CAS-BOT-BC200274  Trisetum spicatum Geo. B. Grant 1902-9-1 1305 Siskiyou Mt Shasta Comment
  UC53708  Trisetum spicatum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UCD93711  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  POM109795  Triteleia crocea Geo D. Butler 1910-5-5 1287 Siskiyou [Huckleberry] Mountain. 1220 Comment
  CDA39445  Triteleia crocea D. Janssen & F. D. Horn 1978-5-17 s.n. Siskiyou Old Klamath River Highway east of Horse Creek. 0 Comment
  CAS-BOT-BC522345  Triteleia hyacinthina Arthur L. Menzies s.n. Siskiyou Morgan Meadows, near Mt. Eddy Sacramento District, Shasta National Forest Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  SEINET10905135  Triteleia ixioides subsp. anilina Mary Susan Taylor 1980-7-8 Taylor 3110 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  RSA12615  Tsuga mertensiana C. B. Wolf 1934-7-5 5970 Siskiyou North side of main ridge, 2 8/10 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains. 2134 Comment
  CAS-BOT-BC80247  Tsuga mertensiana subsp. grandicona Doris K. Kildale 1928-8-19 6536 Siskiyou Summit of Divide between English Lake + Hancock Lake, trail to Marble Mt. 1992 Comment
  CAS-BOT-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-BC74092  Turritis glabra A. A. Heller 1916-6-23 12437 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC74095  Turritis glabra John Thomas Howell 1937-7-21 13201 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC67575  Typha latifolia J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5739 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CAS-BOT-BC91279  Umbellularia californica Doris K. Kildale 1929-7-20 8536 Siskiyou Trail to Preston Peak along South Fork of Indian Creek. 2743 Comment
  CHSC114196  Vaccinium cespitosum Loren Gehrung 1996-8-19 177 Siskiyou Russian Wilderness Area. Along Sugar Creek. 1676 Comment
  CAS-BOT-BC235132  Vaccinium membranaceum Dana York; Jim Shevock 2012-7-20 3115 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, adjacent to Lily Pad Lake 1735 Comment
  HSC19352  Vaccinium membranaceum J. O. Sawyer 1968-7-2 360 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC19368  Vaccinium membranaceum J. O. Sawyer 1968-6-18 208 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC60771  Vaccinium membranaceum Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC65502  Vaccinium membranaceum R. White 1977-6-20 86 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  UC642554  Vaccinium uliginosum subsp. occidentale unknown 1939-7-7 13606 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  CHSC1995  Valeriana californica V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  POM215872  Valerianella olitoria Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  HSC29287  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Pine Lake 1860 Comment
  HSC73295  Vancouveria planipetala M. A. Baker 1980-6-20 2188 Siskiyou Near Bald Mtn. 1036 Comment
  HSC100307  Ventenata dubia J. P. Smith, & J. O. Sawyer 2011-6-25 13281 Siskiyou At the junction of Hwy. 3 and Forest Service Rd. 17. 1001 Comment
  SD125883  Veratrum californicum Steve Morgan 1987-7-28 Siskiyou McGinnis Springs 5 miles northwest of McCloud, Shasta-Trinity National Forest, south of Mount Shasta. Meadow surrounded by pine planting and Red Fir forest. (IPB 4/08) 1773 Comment
  RSA69511  Veratrum californicum Frank W. Peirson 1923-7-20 3674 Siskiyou